CN114430244A - Combined type electromagnetism-friction wind energy collector - Google Patents
Combined type electromagnetism-friction wind energy collector Download PDFInfo
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- CN114430244A CN114430244A CN202210063843.0A CN202210063843A CN114430244A CN 114430244 A CN114430244 A CN 114430244A CN 202210063843 A CN202210063843 A CN 202210063843A CN 114430244 A CN114430244 A CN 114430244A
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- friction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
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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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
- H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
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- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The application discloses combined type electromagnetism-friction wind energy collector includes: the device comprises an electromagnetic power generation unit, a friction power generation unit and a rotary cam assembly, wherein one side of the rotary cam assembly is rotationally connected with the electromagnetic power generation unit, and the other side of the rotary cam assembly is in contact with or separated from the friction power generation unit; when the wind energy drives the rotating cam assembly to rotate, the rotating cam assembly and the electromagnetic power generation unit generate cutting magnetic induction line motion to generate electromagnetic power generation electric energy; the rotary cam component and the friction power generation unit reciprocate to generate friction power generation electric energy. The wind energy collector integrates two transduction modes of friction and electromagnetism, and the wind energy is driven to work through the wind energy, so that the wind energy is collected to the maximum degree in the limited volume. The wind energy collector breaks through a traditional single energy collection mode, combines friction and electromagnetism, collects energy in a most efficient mode, reduces loss between friction layers, and is more durable.
Description
Technical Field
The application belongs to the technical field of energy collection, and particularly relates to a combined type electromagnetic-friction wind energy collector.
Background
Energy is used as a source power for promoting the development of human beings, and since the new century, an energy supply system is developed towards diversified three-dimensional supply of fossil fuel, water energy, wind energy and solar energy, but the huge demand of social development on energy still cannot be met, so that the search for clean and sustainable new energy is a subject which is faced by human needs. Various forms of energy exist in the natural environment, wherein the wind energy is wide in distribution, large in scale, clean and environment-friendly and can be directly collected. Various researches show that the collection of environmental wind energy is a sustainable energy collection mode and receives more and more attention.
In recent years, micro-energy collection technology has also been developed rapidly, and the conversion of wind energy into electric energy by using various physical principles has become a hot research point in these years, including electromagnetic induction, electrostatic induction, piezoelectric effect, friction effect, etc. However, in any collection mode, there is a limitation to a certain extent, and wind energy cannot be collected efficiently. The device is developed by the rotation power generation of a large windmill, researchers have proposed that the electromagnetic power generation and the friction power generation are integrated for wind energy collection, but most of the devices adopt a discrete rotation electromagnetic power generation and rotation sliding friction power generation integration mode, and the defects that the friction material is easy to generate the problems of material surface abrasion, frictional heat generation and the like to reduce the device performance under the sliding friction condition, so that the device reliability and the long-term on-duty working performance are greatly reduced.
Disclosure of Invention
Aiming at the defects or shortcomings of the prior art, the technical problem to be solved by the application is to provide a composite electromagnetic-friction wind energy collector.
In order to solve the technical problem, the application is realized by the following technical scheme:
the application provides a combined type electromagnetism-friction wind energy collector, includes: an electromagnetic generating unit, a friction generating unit and a rotary cam component,
one side of the rotary cam assembly is rotationally connected with the electromagnetic power generation unit, and the other side of the rotary cam assembly is in contact with or separated from the friction power generation unit;
when the rotating cam assembly is driven by wind energy to rotate, the rotating cam assembly and the electromagnetic power generation unit generate cutting magnetic induction line motion to generate electromagnetic power generation electric energy; the rotary cam assembly and the friction power generation unit perform reciprocating motion to generate friction power generation electric energy.
Optionally, the above-mentioned hybrid electromagnetic-friction wind energy harvester, wherein the rotating cam assembly comprises: a rotating shaft, a mounting disc and a rotating cam,
the mounting disc and the rotating cam are mounted on the rotating shaft, the mounting disc is matched with the electromagnetic power generation unit, and the rotating cam is in contact with or separated from the friction power generation unit.
Optionally, in the above combined electromagnetic-friction wind energy collector, the bottom of the rotating shaft is rotatably mounted on the base, the rotating shaft passes through the top cover and is rotatably connected to the top cover, and a windmill is further mounted at the top of the rotating shaft.
Optionally, in the above combined electromagnetic-friction wind energy collector, the rotating cam has a reuleaux triangle structure, and first bearings are further respectively mounted at positions of three corners of the rotating cam, and the first bearings are in contact with or separate from the friction power generation unit.
Optionally, the above-mentioned combined electromagnetic-friction wind energy collector, wherein the electromagnetic power generation unit includes: a coil disposed in the top cover and a magnet disposed on the mounting plate,
the coil and the magnets are oppositely arranged according to the upper position and the lower position, and the number of the coil and the number of the magnets are the same;
when the wind energy drives the rotary cam component to rotate, the magnets arranged on the mounting disc and the coils arranged in the top cover generate cutting magnetic induction line motion, and electromagnetic power generation electric energy is generated.
Optionally, the above-mentioned combined electromagnetic-friction wind energy collector, wherein the friction power generation unit includes: the sliding support is provided with a friction negative material on the outer surface, and the friction positive material is arranged on the inner surface of the shell;
the sliding support is slidably mounted on the rotating cam assembly through a base;
when the wind energy drives the rotating cam assembly to rotate, the rotating motion of the rotating cam in the rotating cam assembly is converted into the linear reciprocating motion of the sliding support piece, and the friction negative material and the friction positive material can form a potential difference in the reciprocating motion process of the sliding support piece.
Optionally, the above-mentioned composite electromagnetic-friction wind energy harvester, wherein the sliding support comprises: the material carrier is sequentially provided with double-sided conductive cloth and a friction negative material from inside to outside, and the sliding support plate is connected with the substrate in a sliding manner.
Optionally, in the above-mentioned combined electromagnetic-friction wind energy collector, the base mounted on the base is further rotatably connected to the rotating shaft in the rotating cam assembly, the base has four faces, each face is provided with at least one pair of second bearings correspondingly arranged up and down, the sliding support plate is disposed between the second bearings, and the sliding support plate can reciprocate under the action of the second bearings.
Optionally, in the above combined electromagnetic-friction wind energy collector, the number of the sliding support members is at least one, and the positions of the sliding support plates in the sliding support members are staggered from top to bottom in different circumferential angles.
Optionally, in the above composite electromagnetic-friction wind energy collector, an inner surface of the material carrier has an inward convex arc structure, and an outer surface of the material carrier is matched with an inner surface of the outer shell.
Compared with the prior art, the method has the following technical effects:
the wind energy collector integrates two transduction modes of friction and electromagnetism, and the wind energy is driven to work through the wind energy, so that the wind energy is collected to the maximum degree in the limited volume. The wind energy collector breaks through a traditional single energy collection mode, combines friction and electromagnetism, collects energy in a most efficient mode, reduces loss between friction layers, and is more durable.
According to the application, the translational friction and rotary electromagnetic power generation units are coaxially integrated, so that the cooperative response of the composite energy collector to wind energy is improved, and compared with the prior art, the device has higher electric energy output; the two friction layers in the friction power generation unit adopt a contact-separation mode, so that the rotary motion is converted into linear reciprocating motion, the friction loss between the two friction layers under the condition of long-term rotation driven by wind power is reduced, and the reliability of the energy collector is improved; moreover, the friction power generation driving stroke adopts a Luoluo triangular-shaped equal-width rotating cam with local degree of freedom, so that the contact friction between the rotating cam and the supporting plate is reduced, the mechanical energy loss is greatly reduced, and the energy conversion efficiency is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the external structure chart of the combined electromagnetic-friction wind energy collector in one embodiment of the application;
FIG. 2 is a schematic diagram: an exploded schematic view of a combined electromagnetic-friction wind energy collector according to an embodiment of the application;
FIG. 3: the structure of the rotary cam component in one embodiment of the application is schematic;
FIG. 4: the friction power generation principle drawing of the friction power generation unit of the embodiment of the application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and 2, in one embodiment of the present application, a composite electromagnetic-friction wind energy harvester includes: an electromagnetic generating unit, a friction generating unit and a rotary cam component,
one side of the rotary cam assembly is rotationally connected with the electromagnetic power generation unit, and the other side of the rotary cam assembly is in contact with or separated from the friction power generation unit;
when the rotating cam assembly is driven to rotate by wind energy, the rotating cam assembly and the electromagnetic power generation unit generate cutting magnetic induction line motion to generate electromagnetic power generation electric energy; the rotary cam component and the friction power generation unit reciprocate to generate friction power generation electric energy.
The energy collector integrates two transduction modes of friction and electromagnetism, and the wind energy is driven to work by the wind energy, so that the wind energy is collected to the maximum extent in a limited volume. The wind energy collector breaks through a traditional single energy collection mode, combines friction and electromagnetism, collects energy in a most efficient mode, reduces loss between friction layers, and is more durable.
As shown in fig. 2 and 3, in the present embodiment, the rotary cam assembly includes: a rotating shaft 51, a mounting plate 52 and a rotating cam 53,
the mounting disc 52 and the rotating cam 53 are both mounted on the rotating shaft 51, the mounting disc 52 is matched with the electromagnetic power generation unit, and the rotating cam 53 is in contact with or separated from the friction power generation unit.
The bottom of the rotating shaft 51 is rotatably mounted on the base 4, the rotating shaft 51 penetrates through the top cover 2 and is rotatably connected with the top cover 2, the windmill 1 is further mounted at the top of the rotating shaft 51, wherein a housing 3 is further mounted between the base 4 and the top cover 2, and the housing 3 is preferably provided with a cylindrical structure, as shown in fig. 1.
Further, the rotating shaft 51 is rotatably connected with the top cover 2 through a third bearing 6, wherein the third bearing 6 preferably adopts a 61901 deep groove ball bearing. Wherein the top cover 2 is provided with a groove for mounting the third bearing 6, the third bearing 6 is preferably provided in three, and the three third bearings 6 are commonly used for limiting the rotary cam assembly.
The mounting disc 52 is provided with the magnets 11, and further, eight first round holes are uniformly distributed on the mounting disc 52 along the circumferential direction and used for mounting the magnets 11, and the magnets 11 are used for cutting magnetic induction lines to generate induced current.
The top cover 2 is internally provided with a coil 10, and further preferably, the top cover 2 is internally provided with 8 second round holes uniformly distributed along the circumferential direction for installing the coil 10, and the coil 10 and the magnet 11 jointly form an electromagnetic power generation unit.
Further, in the present embodiment, the rotating cam 53 has a reuleaux triangle structure, first bearings 7 are respectively mounted at three angular positions of the rotating cam 53, and the first bearings 7 are in contact with or separated from the friction power generation unit. Wherein, the first bearing 7 preferably adopts 694 deep groove ball bearing. Through the arrangement of the rotating cam 53 and the first bearing 7, in the circumferential rotation process of the rotating cam 53, the sliding support plate 91 which is described below can be driven to do linear reciprocating motion, so that a contact-separation type friction nano generator is formed, and friction electric energy output is generated; here, the first bearing 7 functions to increase the local degree of freedom of the rotating cam 53, thereby reducing contact friction of the rotating cam 53 with the sliding support plate 91, thereby reducing mechanical energy loss and improving energy conversion efficiency. When the wind energy drives the rotating cam 53 to rotate, the magnet 11 integrated on the rotating cam 53 generates a magnetic induction line cutting motion, and generates electromagnetic power generation; meanwhile, the rotating cam 53 rotates to make the sliding support plate 91 perform linear reciprocating motion, so that the two friction layers are contacted and separated from each other, thereby generating frictional power output.
The rotating cam 53 is an equal-width rotating cam 53 having a local degree of freedom.
In this embodiment, the electromagnetic power generation unit includes: the coil 10 is arranged in the top cover 2, and the magnets 11 are arranged on the mounting disc 52, wherein the coil 10 and the magnets 11 are oppositely arranged in the vertical position, and the number of the coil 10 and the magnets 11 is the same; when the rotating cam component is driven by wind energy to rotate, the magnet 11 arranged on the mounting disc 52 and the coil 10 arranged in the top cover 2 generate cutting magnetic induction line movement, and electromagnetic power generation electric energy is generated.
In the present embodiment, the number of the magnets 11 and the number of the coils 10 are illustrated as 8.
The working principle of the electromagnetic power generation unit is as follows: the electromagnetic induction phenomenon is a phenomenon in which an induced electromotive force is generated due to a change in magnetic flux passing through the coil 10, using faraday's law of electromagnetic induction. In the closed path, an induced current and an electromotive force are generated when a magnetic flux passing through the coil 10 is changed or a conductor in the closed path cuts a magnetic induction line. Specifically, wind energy in nature drives the windmill 1 to rotate, the windmill 1 drives the rotating shaft 51 to rotate while rotating, the top of the rotating shaft 51 is provided with a mounting disc 52, eight magnets 11 are arranged in the mounting disc 52, a top cover 2 is arranged above the mounting disc 52, eight coils 10 are arranged in the top cover 2, and the magnets 11 cut magnetic induction lines to move along with the rotation of the rotating shaft 51, so that induced current and electromotive force are generated.
As shown in fig. 2, the friction power generating unit includes: a sliding support having a negative friction material 13 disposed on an outer surface thereof, the positive friction material 13 being disposed on an inner surface of the housing 3;
the sliding support is slidably mounted on the rotary cam assembly via a base 8;
when the wind energy drives the rotating cam assembly to rotate, the rotating motion of the rotating cam 53 in the rotating cam assembly is converted into the linear reciprocating motion of the sliding support, and the friction negative material 13 and the friction positive material 13 can form a potential difference during the reciprocating motion of the sliding support.
Further, the inner surface of the shell 3 is also pasted with conductive cloth, and the conductive cloth is a friction layer of the friction power generation unit.
Wherein the sliding support includes: the material carrier 92 is sequentially provided with double-sided conductive cloth 14 and a friction negative material 13 from inside to outside, and the sliding support plate 91 is connected with the substrate 8 in a sliding manner, as shown in fig. 2.
In the present embodiment, the friction positive material 13 is attached to the housing 3, and the first lead is led out; the negative friction material 13 is attached to the material carrier 92 and the second wire is led out.
Further, in this embodiment, the base 8 mounted on the base 4 is further rotatably connected to the rotating shaft 51 in the rotating cam assembly, wherein the base 4 is located at the bottommost portion of the wind energy harvester, a first groove is disposed in the middle portion of the base for mounting the third bearing 6, and four third circular holes are disposed around the groove for mounting the base 8. The second groove on the top of the substrate 8 is used for installing a third bearing 6, so as to realize the rotary connection between the rotating shaft 51 and the substrate 8, and the third bearing 6 preferably adopts a 61901 deep groove ball bearing.
Further, the base 8 has four faces, each face is provided with at least one pair of second bearings 15 which are correspondingly arranged up and down, the sliding support plate 91 is arranged between the second bearings 15, and the sliding support plate 91 can reciprocate under the action of the second bearings 15. Wherein the direction of the reciprocating motion moves along the length setting direction of the slide support plate 91.
Further preferably, each face is provided with four third round holes, the third round holes are used for installing fixing pins 16, the fixing pins 16 are used for positioning the second bearing 15, wherein the second bearing 15 preferably adopts 693 deep groove ball bearings.
The number of the sliding support members is at least one, wherein the sliding support plates 91 are arranged at different circumferential angles in a vertically staggered manner. In this embodiment, two sliding support members are provided as an example, such as the first sliding support member has a reciprocating direction along the X-axis direction, and the second sliding support member has a reciprocating direction along the Y-axis direction, wherein, for improving the stability of the sliding support, two sliding support plates 91 are provided for each sliding support member. Further preferably, the centre lines of the two sets of sliding supports are arranged perpendicular to each other.
As shown in fig. 4, the inner surface of the material carrier 92 has an inwardly convex arc structure, and the outer surface of the material carrier 92 is matched with the inner surface of the outer shell 3.
The basic principle of the operation of the friction generator is as follows: the friction generator is in contact-separated mode according to the working mode. The friction negative material 13 with large difference in electronegativity and the friction positive material 13 rub against each other, and when separated, respectively carry opposite charges to form a potential difference; the electrodes of the two materials are connected by a load and the potential difference will cause electrons to flow between the two electrodes to balance the electrostatic potential difference between the films. Once the two contact surfaces are again brought into register, the potential difference created by the triboelectric charge disappears, causing the electrons to flow in the opposite direction. Therefore, the output end of the friction power generation unit can output alternating current pulse signals to output electric energy outwards.
Wind energy in nature drives the windmill 1 to rotate, the windmill 1 drives the rotating shaft 51 to rotate while rotating, the rotating cam 53 in a shape of a triangle is arranged in the middle of the rotating shaft 51, three vertexes of the rotating cam 53 are respectively provided with the first bearing 7, and the rotating cam 53 drives the sliding support plate 91 to slide left and right while rotating. As shown in fig. 4, the first bearing 7 has three parts a, b and c, when the first bearing 7a is located at 90 °, the sliding support plate 91 collides with the housing 3, when the collision occurs, the negative friction material 13 on the sliding support plate 91 and the positive friction material 13 on the housing 3 contact each other, the rotating cam 53 rotates clockwise, when the negative friction material 13 on the sliding support plate 91 and the positive friction material 13 on the housing 3 separate from each other, and when the negative friction material 13 and the positive friction material 13 separate, the negative friction material 13 and the positive friction material 13 respectively carry opposite charges to form a potential difference; meanwhile, the first bearing 7c is positioned at 180 degrees, the sliding support plate 91 collides with the housing 3, the rotating cam 53 continues to rotate, the negative friction material 13 on the sliding support plate 91 and the positive friction material 13 on the housing 3 are separated from each other, and the negative friction material 13 and the positive friction material 13 respectively carry opposite charges to form a potential difference; the rotating cam 53 continues to rotate, and the friction negative material 13 on the sliding support plate 91 and the friction positive material 13 on the housing 3 are separated from each other, and when the friction negative material 13 and the friction positive material 13 are separated, the friction negative material and the friction positive material carry opposite charges respectively, so that a potential difference is formed; meanwhile, the first bearing 7b is positioned at 270 degrees, the sliding support plate 91 collides with the housing 3, the rotating cam 53 continues to rotate, the negative friction material 13 on the sliding support plate 91 and the positive friction material 13 on the housing 3 are separated from each other, and the negative friction material 13 and the positive friction material 13 respectively carry opposite charges to form a potential difference; the first bearing 7a is now at 0 deg.. The operation principle when the first bearing 7a is rotated by 90 ° is described above. When the first bearing 7a rotates by 90 degrees, the friction negative material 13 and the friction positive material 13 have three contact separations, and when the first bearing 7a rotates by one circle, the friction negative material 13 and the friction positive material 13 have twelve contact separations, so that the energy collection efficiency is greatly improved.
With the continuous progress of microelectronic technology, mobile intelligent terminals and intelligent remote monitoring have been developed rapidly, and due to the development of low power consumption technology, the power consumption of microelectronic devices has been reduced from milliwatt (mW) level to microwatt (μ W) level, and is more likely to be only nanowatt (nW) level in the future. Therefore, the method and the device for collecting the wind energy in the environment provide a new idea for solving the power supply problem of outdoor monitoring wireless sensing and remote wireless monitoring, and have very wide market prospect and application value.
In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.
Claims (10)
1. A composite electromagnetic-friction wind energy collector is characterized in that,
the method comprises the following steps: an electromagnetic generating unit, a friction generating unit and a rotary cam component,
one side of the rotary cam assembly is rotationally connected with the electromagnetic power generation unit, and the other side of the rotary cam assembly is in contact with or separated from the friction power generation unit;
when the rotating cam assembly is driven to rotate by wind energy, the rotating cam assembly and the electromagnetic power generation unit generate cutting magnetic induction line motion to generate electromagnetic power generation electric energy; the rotary cam assembly and the friction power generation unit perform reciprocating motion to generate friction power generation electric energy.
2. The composite electromagnetic-friction wind energy harvester of claim 1,
the rotary cam assembly includes: a rotating shaft, a mounting disc and a rotating cam,
the mounting disc and the rotating cam are mounted on the rotating shaft, the mounting disc is matched with the electromagnetic power generation unit, and the rotating cam is in contact with or separated from the friction power generation unit.
3. The composite electromagnetic-friction wind energy collector according to claim 2, wherein the bottom of the rotating shaft is rotatably mounted on the base, the rotating shaft penetrates through the top cover and is rotatably connected with the top cover, and a windmill is further mounted on the top of the rotating shaft.
4. The composite electromagnetic-friction wind energy collector according to claim 2, wherein the rotating cam has a reuleaux triangle structure, first bearings are respectively mounted at three corners of the rotating cam, and the first bearings are in contact with or separate from the friction power generation unit.
5. The composite electromagnetic-friction wind energy harvester of claim 2,
the electromagnetic power generation unit includes: a coil disposed in the top cover and a magnet disposed on the mounting plate,
the coil and the magnets are oppositely arranged according to the upper position and the lower position, and the number of the coil and the number of the magnets are the same;
when the wind energy drives the rotary cam component to rotate, the magnets arranged on the mounting disc and the coils arranged in the top cover generate cutting magnetic induction line motion, and electromagnetic power generation electric energy is generated.
6. The composite electromagnetic-friction wind energy harvester of claim 1,
the friction power generation unit includes: the sliding support is provided with a friction negative material on the outer surface, and the friction positive material is arranged on the inner surface of the shell;
the sliding support is slidably mounted on the rotating cam assembly through a base;
when the wind energy drives the rotating cam assembly to rotate, the rotating motion of the rotating cam in the rotating cam assembly is converted into the linear reciprocating motion of the sliding support piece, and the friction negative material and the friction positive material can form a potential difference in the reciprocating motion process of the sliding support piece.
7. The composite electromagnetic-frictional wind energy harvester of claim 6, wherein the sliding support comprises: the material carrier is sequentially provided with double-sided conductive cloth and a friction negative material from inside to outside, and the sliding support plate is connected with the substrate in a sliding manner.
8. The combined electromagnetic-friction wind energy collector of claim 7, wherein the base mounted on the base is further rotatably connected with the rotating shaft in the rotating cam assembly, the base has four faces, each face is provided with at least one pair of second bearings correspondingly arranged up and down, the sliding support plate is arranged between the second bearings, and the sliding support plate can reciprocate under the action of the second bearings.
9. The composite electromagnetic-friction wind energy collector according to claim 7 or 8, wherein the number of the sliding support members is at least one, and the positions of the sliding support plates in the sliding support members are staggered from one another at different circumferential angles.
10. The composite electromagnetic-friction wind energy collector according to claim 7 or 8, wherein the inner surface of the material carrier has an inward convex arc surface structure, and the outer surface of the material carrier is matched with the inner surface of the outer shell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210063843.0A CN114430244A (en) | 2022-01-20 | 2022-01-20 | Combined type electromagnetism-friction wind energy collector |
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| CN202210063843.0A CN114430244A (en) | 2022-01-20 | 2022-01-20 | Combined type electromagnetism-friction wind energy collector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877918A (en) * | 2022-05-16 | 2022-08-09 | 中北大学 | Integrated self-powered sensing device |
| CN117732670A (en) * | 2024-02-21 | 2024-03-22 | 江苏正寰新材料科技有限公司 | Adhesive brushing device for adhesive tape production |
| CN117732670B (en) * | 2024-02-21 | 2024-04-26 | 江苏正寰新材料科技有限公司 | Adhesive brushing device for adhesive tape production |
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2022
- 2022-01-20 CN CN202210063843.0A patent/CN114430244A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877918A (en) * | 2022-05-16 | 2022-08-09 | 中北大学 | Integrated self-powered sensing device |
| CN117732670A (en) * | 2024-02-21 | 2024-03-22 | 江苏正寰新材料科技有限公司 | Adhesive brushing device for adhesive tape production |
| CN117732670B (en) * | 2024-02-21 | 2024-04-26 | 江苏正寰新材料科技有限公司 | Adhesive brushing device for adhesive tape production |
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