CN114944781A - Self-adjusting friction nano power generation device - Google Patents
Self-adjusting friction nano power generation device Download PDFInfo
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- CN114944781A CN114944781A CN202210351972.XA CN202210351972A CN114944781A CN 114944781 A CN114944781 A CN 114944781A CN 202210351972 A CN202210351972 A CN 202210351972A CN 114944781 A CN114944781 A CN 114944781A
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- rotating shaft
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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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- 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
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The application discloses self-interacting friction nanometer power generation facility, including stator portion and rotor portion. The stator portion includes a housing and a first friction member disposed on an inner wall of the housing. The rotor part comprises a first rotating shaft, an adjusting component and a second friction piece, and the first rotating shaft is arranged in the shell. The adjusting component comprises a first sliding rail, a sliding rod and a buffer structure; the first end of the first slide rail is connected to the first rotating shaft; the first end of the sliding rod is rotatably connected to the first rotating shaft, the second end of the sliding rod is movably connected to the first sliding rail, and the second end of the sliding rod can move on the first sliding rail; the first end and the second end of the buffer structure are respectively connected to the first rotating shaft and the sliding rod. The second friction piece is arranged on the sliding rod and is in contact with the first friction piece, and when the first rotating shaft rotates, the first friction piece and the second friction piece are electrified in a friction mode. When the external excitation is increased, the self power generation capacity of the power generation device is dynamically matched with the external input energy, and the energy capture efficiency is high.
Description
Technical Field
The application relates to the field of energy sources, in particular to a self-adjusting friction nanometer power generation device.
Background
With the development of the internet of things, a large amount of information is provided by widely distributed sensors and miniature electronic equipment, and at present, there are trillions of sensor units around the world, and the main energy supply mode of the sensors is a power grid or a battery. These conventional energy supply methods impose a huge economic burden, and therefore, it is urgent to propose a new energy supply method.
The friction nano generator is a novel power generation technology and can convert mechanical energy into electric energy. The friction nano generator has the advantages of low cost, easy manufacture, strong environmental friendliness, wide material selection range and the like, and is widely applied to collection of renewable energy sources in various natural environments, such as wind energy, ocean energy, vibration energy, human body movement energy and the like. Based on the principle of triboelectrification and electrostatic induction coupling, the friction nano generator has irreplaceable advantages in the field of low-frequency energy collection.
However, natural wind energy and water energy have the characteristic of strong randomness, and the traditional friction nano generator does not have the self-adjusting capability. When the input of external natural energy such as wind energy or water energy is larger than the energy required by the starting of the friction nano generator, the energy capture efficiency is lower.
Disclosure of Invention
The embodiment of the application provides a self-adjusting friction nanometer power generation device to solve the problem that a friction nanometer power generator is low in energy capture efficiency.
The embodiment of the application provides a self-adjusting friction nanometer power generation device, which comprises a stator part and a rotor part. The stator portion includes a housing and a first friction member disposed on an inner wall of the housing. The rotor part comprises a first rotating shaft, an adjusting component and a second friction piece. The first shaft is disposed within the housing. The adjusting component comprises a first sliding rail, a sliding rod and a buffering structure; the first end of the first slide rail is connected to the first rotating shaft, and the second end of the first slide rail is far away from the first rotating shaft; the first end of the sliding rod is rotatably connected to the first rotating shaft, and the second end of the sliding rod is movably connected to the first sliding rail; the first end of the buffer structure is connected to the first rotating shaft, and the second end of the buffer structure is connected to the sliding rod; the second end of the slide bar is movable on the first slide rail. The second friction piece is arranged on the sliding rod and is in contact with the first friction piece, and when the first rotating shaft rotates, the first friction piece and the second friction piece can be electrified in a friction mode.
According to an aspect of the embodiment of the present application, a sliding block is movably connected to the first slide rail, and the sliding block can move between the first end and the second end of the first slide rail. The second end of the slide bar is movably connected to the slide block.
According to an aspect of the embodiments of the present application, a second rotating shaft is disposed on the sliding block, and the second end of the sliding rod is connected to the sliding block through the second rotating shaft.
According to an aspect of the embodiment of the application, a first fixing piece is arranged on the first rotating shaft, the first fixing piece is provided with a first slot, and the first end of the first sliding rail is connected in the first slot.
According to an aspect of the embodiment of the application, a second fixing part is arranged on the first rotating shaft, and the first end of the buffer structure is connected to the second fixing part. The second end of the buffer structure is connected to the sliding block.
According to an aspect of the embodiment of the application, a second sliding rail is rotatably arranged on the first rotating shaft, a sliding groove is formed in the sliding rod, the second sliding rail is matched with the sliding groove, and the sliding rod can move relative to the second sliding rail.
According to an aspect of the embodiment of the application, a third fixing piece is arranged on the first rotating shaft, a third rotating shaft is arranged on the third fixing piece, and the second sliding rail is rotatably connected with the third fixing piece through the third rotating shaft.
According to an aspect of an embodiment of the present application, the adjustment assembly further includes a ring structure coupled to the second end of the first slide rail.
According to an aspect of the embodiment of the present application, the adjusting assembly is a plurality of adjusting assemblies, and the plurality of adjusting assemblies are arranged at intervals along the circumferential direction of the first rotating shaft. The second friction pieces are arranged on the sliding rods of the adjusting components correspondingly. The first friction piece is a plurality of, a plurality of first friction piece is along the circumference interval of casing arranges.
According to an aspect of an embodiment of the present application, the material of the first friction member is a material having an electropositive property, and the material of the second friction member is a material having an electronegative property.
The self-adjusting friction nanometer power generation facility that the embodiment of the application provided, when external excitation increases, first pivot is kept away from to the slide bar, and the driving torque increases, and the area of contact increase of first friction piece and second friction piece can realize power generation facility self generating capacity and external input energy dynamic matching, improves the generator and to natural energy capture efficiency such as wind energy or hydroenergy, reduces energy loss, improves the energy conversion efficiency of generator.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a self-regulating friction nano-power generation device provided by an embodiment of the present application;
FIG. 2 is a schematic diagram of the internal structure of a self-adjusting friction nano-power generation device provided by an embodiment of the present application;
FIG. 3 is a schematic structural diagram of an adjustment assembly of the self-adjusting friction nano-power generation device provided by the embodiment of the application;
FIG. 4 is a schematic diagram of a portion of a regulating assembly of the self-regulating friction nano-power generation device according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a first fixing member of a self-adjusting friction nano-power generation device provided by an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a ring structure of a self-adjusting friction nano-power generation device provided by an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a second sliding rail of the self-adjusting friction nano-power generation device provided by the embodiment of the present application;
FIG. 8 is a schematic structural diagram of a sliding bar of the self-adjusting friction nano-generator according to an embodiment of the present application;
FIG. 9 is a schematic structural diagram of a third fixing element of the self-adjusting friction nano-power generation device according to an embodiment of the present application.
Reference numerals are as follows:
100-housing, 200-first friction member, 300-first rotating shaft, 400-adjusting assembly, 500-second friction member;
301-a first fixing piece, 302-a first slot, 303-a second fixing piece, 304-a second sliding rail, 305-a third fixing piece, 306-a notch, 307-a third rotating shaft;
401-a first sliding rail, 402-a sliding bar, 403-a buffer structure, 404-a sliding block, 405-a second rotating shaft, 406-a sliding groove, 407-a ring structure and 408-a second slot.
Detailed Description
Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the application, but are not intended to limit the scope of the application, i.e., the application is not limited to the described embodiments.
In the description of the present application, it is noted that, unless otherwise indicated, the terms "first" and "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; "plurality" means two or more; the terms "inner," "outer," "top," "bottom," and the like, as used herein, refer to an orientation or positional relationship shown in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
The driving torque of the existing friction nano generator is usually fixed, when the mechanical energy input from the outside is increased, the mechanical energy lost by the generator is also increased along with the increase of the rotating speed of a rotor of the generator, the energy capture efficiency is low, and the energy waste is caused.
Therefore, the self-adjusting friction nano power generation device is provided by the embodiment of the application, so that the energy capture efficiency is improved.
Referring to fig. 1, 2 and 3, a self-adjusting friction nano-generator according to an embodiment of the present invention includes a stator portion and a rotor portion. The stator portion includes a housing 100 and a first friction member 200, and the first friction member 200 is disposed on an inner wall of the housing 100. The rotor portion includes a first rotary shaft 300, an adjustment assembly 400, and a second friction member 500, and the first rotary shaft 300 is disposed in the housing 100.
The adjusting assembly 400 includes a first slide rail 401, a slide bar 402, and a buffer structure 403. A first end of the first slide rail 401 is connected to the first rotating shaft 300, and a second end of the first slide rail 401 is far away from the first rotating shaft 300, and specifically, the first slide rail 401 may be disposed perpendicular to the first rotating shaft 300. The first end of the sliding rod 402 is rotatably connected to the first rotating shaft 300, and the second end of the sliding rod 402 is movably connected to the first sliding rail 401. A first end of the buffer structure 403 is connected to the first shaft 300, and a second end of the buffer structure 403 is connected to the sliding rod 402. When the first rotating shaft 300 rotates under external excitation, the adjusting assembly 400 rotates along with the first rotating shaft 300, and when the external excitation increases, the centrifugal force applied to the sliding rod 402 increases, and the second end of the sliding rod 402 is far away from the first rotating shaft 300, specifically, the second end of the sliding rod 402 moves from the first end of the first sliding rail 401 to the second end of the first sliding rail 401.
The second friction member 500 is disposed on the sliding rod 402, the second friction member 500 is in contact with the first friction member 200, and when the first rotating shaft 300 rotates, the first friction member 200 and the second friction member 500 can be frictionally electrified. When the external excitation is increased, the sliding rod 402 is far away from the first rotating shaft 300, that is, the sliding rod 402 is close to the housing 100, and the contact area of the first friction member 200 and the second friction member 500 is increased.
The self-adjusting friction nanometer power generation device provided by the embodiment of the application has self-adjusting capacity, when the external excitation is increased, the sliding rod 402 is far away from the first rotating shaft 300, the driving torque is increased, the contact area between the first friction piece 200 and the second friction piece 500 is increased, the dynamic matching of the power generation capacity of the power generation device and the external input energy can be realized, the capture efficiency of the power generator on natural energy such as wind energy or water energy is improved, the energy loss is reduced, and the energy conversion efficiency of the power generator is improved.
In a specific implementation, the housing 100 may be conical. The first rotary shaft 300 may be coaxially disposed with the housing 100. The slide bar 402 is disposed obliquely to the first rotation shaft 300; as the external stimulus increases, the tilt angle of the slide bar 402 increases; when the external excitation is reduced, the tilt angle of the sliding bar 402 is reduced under the tensile force of the buffer structure 403.
As a possible embodiment, the adjusting assembly 400 is plural, and the plural adjusting assemblies 400 are arranged at intervals along the circumferential direction of the first rotating shaft 300, and specifically, the plural adjusting assemblies 400 may be arranged at equal intervals in the circumferential direction of the first rotating shaft 300. In specific implementation, the first slide rails 401 of the adjusting assemblies 400 are arranged at equal intervals in the circumferential direction of the first rotating shaft 300. The number of the second friction members 500 may be the same as that of the adjustment assemblies 400, and a plurality of the second friction members 500 are correspondingly disposed on the sliding rods 402 of the adjustment assemblies 400. The first friction member 200 is provided in plurality, and the first friction members 200 are arranged at intervals in the circumferential direction of the casing 100, and specifically, the first friction members 200 are arranged at equal intervals in the circumferential direction of the casing 100.
In a specific implementation, the material of the first friction member 200 may be a material having electropositivity, for example, the material of the first friction member 200 may be a material having electropositivity, such as copper, aluminum, or the like. The material of the second friction member 500 may be a material having electronegativity, for example, the material of the second friction member 500 may be a material having strong electronegativity, such as FEP (fluorinated ethylene propylene copolymer), PTFE (polytetrafluoroethylene), PDMS (polydimethylsiloxane), PVC (polyvinyl chloride), or the like. Due to different electronegativities of materials, when the first rotating shaft 300 rotates, the first friction member 200 and the second friction member 500 rub with each other, positive friction charges are accumulated on the surface of the first friction member 200, negative friction charges are accumulated on the surface of the second friction member 500 according to a charge conservation law, and the first friction member 200 is connected to an external circuit and then can provide electric energy to the external circuit, so that mechanical energy is converted into electric energy.
As a possible implementation manner, a sliding block 404 is movably connected to the first sliding rail 401, and the sliding block 404 can move between the first end and the second end of the first sliding rail 401. The second end of the sliding rod 402 is movably connected to the sliding block 404, and when the external excitation is increased, the sliding rod 402 and the sliding block 404 are far away from the first rotating shaft 300; when the external stimulus is reduced, the sliding bar 402 approaches the first rotary shaft 300 together with the slider 404.
As shown in fig. 4, in a specific implementation, a second rotating shaft 405 is disposed on the sliding block 404, a second end of the sliding rod 402 is connected to the sliding block 404 through the second rotating shaft 405, so as to realize rotatable connection between the sliding rod 402 and the sliding block 404, thereby realizing rotatable connection between the second end of the sliding rod 402 and the first sliding rail 401, and a first end of the sliding rod 402 is rotatably connected to the first rotating shaft 300, so that when an external stimulus is changed, the sliding rod 402 together with the sliding block 404 moves relative to the sliding rail, and an inclination angle of the sliding rod 402 is changed.
As shown in fig. 5, as a possible embodiment, a first fixing member 301 is disposed on the first rotating shaft 300, the first fixing member 301 has a first slot 302, and a first end of the first sliding rail 401 is connected in the first slot 302. As shown in fig. 6, the adjusting assembly 400 further includes a ring structure 407, the ring structure 407 has a second slot 408, and the second end of the first sliding rail 401 is connected in the second slot 408. The ring structure 407 may fix relative positions of the plurality of first sliding rails 401, and the ring structure 407 may further limit a maximum stroke of the slider 404 moving away from the first rotating shaft 300, thereby ensuring structural stability of the adjusting assembly 400.
As a possible embodiment, the first rotating shaft 300 is provided with a second fixing member 303, a first end of the buffer structure 403 is connected to the second fixing member 303, and a second end of the buffer structure 403 is connected to the sliding block 404. Specifically, a first end of the buffer structure 403 may be connected to the second fixing member 303 through a fixing member such as a screw, and a second end of the buffer structure 403 may be connected to the second rotating shaft 405. The buffer structure 403 may be an elastic member such as a spring.
As shown in fig. 7, as a possible embodiment, a second slide rail 304 is rotatably connected to the first rotating shaft 300. As shown in fig. 8, the sliding bar 402 is provided with a sliding slot 406, the second sliding rail 304 is engaged with the sliding slot 406, and the sliding bar 402 can move relative to the second sliding rail 304. When the external excitation is increased, the first end of the sliding rod 402 is far away from the first rotating shaft 300, and the sliding rod 402 moves relative to the sliding slot 406, so that the position of the sliding rod 402 as a whole moves upwards.
As shown in fig. 9, in an embodiment, a third fixing member 305 is disposed on the first rotating shaft 300, a third rotating shaft 307 is disposed on the third fixing member 305, and the second sliding rail 304 is rotatably connected to the third fixing member 305 through the third rotating shaft 307. Specifically, the third fixing element 305 has a notch 306, and the second sliding rail 304 is connected in the notch 306 through the third rotating shaft 307, so that the second sliding rail 304 and the third fixing element 305, that is, the second sliding rail 304 and the first rotating shaft 300, are rotatably connected. The sliding slot 406 is engaged with the second sliding rail 304, so as to rotatably connect the first end of the sliding rod 402 with the first rotating shaft 300. It is understood that the first end of the sliding bar 402 is not limited to the end of the sliding bar 402, and may be the end of the sliding bar 402 and a section near the end, and in practical applications, it should be ensured that the sliding bar 402 does not disengage from the sliding slot 406 when the sliding bar 402 moves relative to the sliding slot 406.
It should be understood by those skilled in the art that the above description is only an embodiment of the present application, and the scope of the present application is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A self-adjusting friction nanometer power generation device is characterized by comprising a stator part and a rotor part;
the stator part comprises a shell and a first friction piece, wherein the first friction piece is arranged on the inner wall of the shell;
the rotor part comprises a first rotating shaft, an adjusting assembly and a second friction piece; the first rotating shaft is arranged in the shell; the adjusting assembly comprises a first sliding rail, a sliding rod and a buffering structure; the first end of the first slide rail is connected to the first rotating shaft, and the second end of the first slide rail is far away from the first rotating shaft; the first end of the sliding rod is rotatably connected to the first rotating shaft, the second end of the sliding rod is movably connected to the first sliding rail, and the second end of the sliding rod can move on the first sliding rail; the first end and the second end of the buffer structure are respectively connected to the first rotating shaft and the sliding rod;
the second friction piece is arranged on the sliding rod and is in contact with the first friction piece, and when the first rotating shaft rotates, the first friction piece and the second friction piece can be electrified in a friction mode.
2. The self-adjusting friction nano power generation device according to claim 1, wherein a slider is movably connected to the first slide rail, and the slider is capable of moving between a first end and a second end of the first slide rail;
the second end of the slide bar is movably connected to the slide block.
3. The self-adjusting friction nano power generation device according to claim 2, wherein a second rotating shaft is arranged on the sliding block, and the second end of the sliding rod is connected with the sliding block through the second rotating shaft.
4. The self-adjusting friction nano-power generation device of claim 1, wherein the first rotating shaft is provided with a first fixing member, the first fixing member is provided with a first slot, and a first end of the first sliding rail is connected in the first slot.
5. The self-adjusting triboelectric nano-power generation device according to claim 2, wherein a second fixture is disposed on the first rotating shaft, and a first end of the buffer structure is connected to the second fixture;
the second end of the buffer structure is connected to the sliding block.
6. The self-adjusting friction nano-electric generating apparatus according to claim 1, wherein the first rotating shaft is rotatably provided with a second sliding rail, the sliding bar is provided with a sliding slot, the second sliding rail is engaged with the sliding slot, and the sliding bar can move relative to the second sliding rail.
7. The self-adjusting friction nano-electric generating apparatus according to claim 6, wherein a third fixing member is disposed on the first rotating shaft, a third rotating shaft is disposed on the third fixing member, and the second sliding rail is rotatably connected to the third fixing member through the third rotating shaft.
8. The self-adjusting friction nano-power generation device of claim 1, wherein the adjustment assembly further comprises a ring structure coupled to the second end of the first sliding track.
9. The self-regulating friction nano-power generation device according to claim 1, wherein the adjusting assembly is a plurality of adjusting assemblies, and the plurality of adjusting assemblies are arranged at intervals along the circumference of the first rotating shaft;
the second friction pieces are arranged on the sliding rods of the adjusting components correspondingly;
the first friction piece is a plurality of, a plurality of first friction piece is along the circumference interval of casing arranges.
10. The self-regulating triboelectric nano-generator according to claim 1, wherein the material of the first friction element is a material having an electropositive property and the material of the second friction element is a material having an electronegative property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210351972.XA CN114944781A (en) | 2022-04-02 | 2022-04-02 | Self-adjusting friction nano power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210351972.XA CN114944781A (en) | 2022-04-02 | 2022-04-02 | Self-adjusting friction nano power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114944781A true CN114944781A (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210351972.XA Pending CN114944781A (en) | 2022-04-02 | 2022-04-02 | Self-adjusting friction nano power generation device |
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| Country | Link |
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| CN (1) | CN114944781A (en) |
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2022
- 2022-04-02 CN CN202210351972.XA patent/CN114944781A/en active Pending
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