CN115347813A - Friction nanometer power generation device based on unpowered hood - Google Patents
Friction nanometer power generation device based on unpowered hood Download PDFInfo
- Publication number
- CN115347813A CN115347813A CN202210997209.4A CN202210997209A CN115347813A CN 115347813 A CN115347813 A CN 115347813A CN 202210997209 A CN202210997209 A CN 202210997209A CN 115347813 A CN115347813 A CN 115347813A
- Authority
- CN
- China
- Prior art keywords
- friction
- power generation
- rotor
- electrode
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D5/00—Other wind motors
-
- 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
-
- 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
Abstract
The invention relates to the technical field of wind energy utilization, in particular to a friction nanometer power generation device based on an unpowered hood. The friction nanometer power generation device based on the unpowered hood comprises the unpowered hood and a friction power generation unit; the friction nanometer power generation unit generates power by utilizing mutual rotation of the rotor and the stator of the hood and through repeated friction of the friction block and the first electrode and the second electrode, and realizes the conversion of wind energy into electric energy. The wind cap is based on the characteristic that the wind cap is relatively sensitive to wind power, the driving device is rotated by utilizing air convection, the original function of the wind cap is not influenced, and the wind energy can be collected and converted into electric energy. The invention has wide available scenes and strong applicability.
Description
Technical Field
The invention relates to the technical field of wind energy utilization, in particular to a friction nanometer power generation device based on an unpowered hood.
Background
In the existing wind energy collection aspect, power generation devices with various structures are available, including flag-type friction nano-generators, windmill-type hybrid generators, rotary friction nano-generators, tremble-structure generators and the like. The friction nano power generation is a power generation technology based on coupling of friction electrification and electrostatic induction, and can convert collected mechanical energy in various forms into electric energy, such as ocean energy, vibration energy and the like. The friction nano power generation technology has the advantages of high power generation voltage, small volume, light weight, flexibility, flexible shape, high compatibility and the like.
The existing wind energy collection power generation device adopts a blade type design similar to a fan, and generates power by blowing blades to rotate through incoming wind, but the mode has certain requirements on the incoming wind direction, and the working effect cannot be ensured; the inventor subsequently searches for the hood structure disclosed in the prior patent with the patent number of CN202122880291.6 and the like in a cross-field manner, and the hood structure has high sensitivity to wind power, but is only simply used for air convection and ventilation, and cannot realize wind energy collection and power generation.
Disclosure of Invention
Therefore, the friction nanometer power generation device based on the unpowered hood is needed to be provided for solving the problem that the existing wind energy collecting and power generating device is low in wind sensitivity.
The invention is realized by adopting the following technical scheme:
the invention provides a friction nanometer power generation device based on an unpowered hood, which comprises the unpowered hood and a friction power generation unit;
the unpowered hood comprises a stator and a rotor, and the rotor and the stator rotate relatively under the action of air flow;
the friction power generation unit comprises at least one group of electrode layers and at least one group of friction layers, and the electrode layers and the friction layers are respectively arranged on the opposite walls of the stator and the rotor and correspond to each other in position; the electrode layer is arranged on the stator, and the friction layer is arranged on the rotor; the friction layer rotates along with the rotor and performs friction power generation with an electrode layer on the stator;
the electrode layer comprises a first electrode and a second electrode; the first electrode comprises a first base part and a plurality of first protruding parts uniformly arranged along the first base part, and the first electrode is integrally in a downwards protruding sawtooth shape; the second electrode and the first electrode are arranged around the wall surface of the rotor; the shape of the second electrode is the same as that of the first electrode; the second electrode comprises a second base part and a plurality of second protruding parts which are uniformly arranged along the second base part and are integrally in an upwards protruding sawtooth shape; the second electrode is positioned below the first electrode, the two electrodes are mutually clamped, and a gap is reserved between the two electrodes;
the friction layer comprises a friction block; the position of the friction block is lower than the first base part of the electrode layer corresponding to the friction block and higher than the second base part of the electrode layer corresponding to the friction block; the width of the friction block is L1, the height of the friction block is L2, the width of the gap is L3, and the width and the height of the first protruding part and the second protruding part are both L4 and L5; l3 is more than L1 and more than L4+2L3, and L2 is more than L5+ L3; the friction block rotates along with the rotor, sequentially contacts the first protruding part and the second protruding part, and repeatedly acts.
As a further scheme of the invention, at least two friction blocks are uniformly arranged around the circumference of the stator; the distance between every two adjacent friction blocks is D1, the distance between every two adjacent first protruding parts and every two adjacent second protruding parts is D2, and D1 is an integral multiple of D2;
or/and at least two groups of electrode layers are arranged at intervals along the axial direction of the stator, and the same number of groups of friction layers are correspondingly arranged along the axial direction of the rotor.
As a further scheme of the invention, the inner diameter of the rotor is larger than the outer diameter of the stator, and the rotor covers the stator;
the electrode layer is arranged on the outer wall of the stator, and the friction layer is correspondingly arranged on the inner wall of the rotor.
As a further scheme of the invention, the top of the stator is provided with a first annular slot, and the rotor is inserted into the first annular slot; the electrode layers are arranged on the inner walls of the two sides of the annular slot, and the friction layers are correspondingly arranged on the inner wall and the outer wall of the rotor;
or the top of the stator is provided with a first annular slot, the bottom of the rotor is provided with a second annular slot, the second annular slot is buckled on the first annular slot, and the inner ring of the second annular slot is inserted into the first annular slot; the electrode layers are arranged on the inner walls of the two sides of the annular slot and the outer wall of the outer ring of the annular slot, and the friction layers are correspondingly arranged on the inner wall of the rotor and the inner walls of the two sides of the annular slot
In a further aspect of the present invention, a sponge layer is further provided between the friction layer and the rotor wall surface to make the friction layer and the electrode layer sufficiently contact with each other.
As a further scheme of the invention, the unpowered hood further comprises a central rotating shaft, a connecting frame and a supporting frame; the central rotating shaft is arranged in the rotor; the central rotating shaft is connected with the inner top of the rotor; the connecting frame is used for connecting the circumferential inner wall of the rotor with the central rotating shaft; the support frame is connected with the inner wall of the stator and supports the central rotating shaft.
As a further scheme of the invention, the central rotating shaft comprises an upper section and a lower section; the top end of the upper section is connected with the inner top of the rotor, and a spline shaft is arranged at the bottom end of the upper section; the top end of the lower section is provided with a slot which is used for being in inserting fit with the spline shaft; the lower section penetrates through and is rotatably connected with the supporting frame; the support frame is provided with a support bearing, and the lower section of the support frame penetrates through the support bearing.
As a further scheme of the invention, the friction nanometer power generation device based on the unpowered hood further comprises an electromagnetic power generation unit, wherein the electromagnetic power generation unit comprises a magnet and at least one group of coils; the magnet is arranged at the bottom end of the central rotating shaft; the coil is arranged at the periphery of the magnet; the magnet rotates along with the central rotating shaft and generates magnetic induction linear cutting with the coil to carry out electromagnetic power generation.
As a further scheme of the invention, the electromagnetic power generation unit comprises a fixed frame, a screw rod and a clamping plate; the fixed frame is connected to the bottom end of the central rotating shaft; the screw rod penetrates through and is in threaded connection with the bottom of the fixing frame; the clamping plate is arranged at the top end of the screw rod; the clamping plate is lifted along with the rotation of the screw rod and is used for pressing the magnet in the fixed frame.
As a further aspect of the present invention, the coil is wound on a bobbin, which is attached to the inner wall of the stator.
Compared with the prior art, the invention has the following beneficial effects:
the invention improves the basis of the unpowered hood, adds a friction nanometer power generation unit, enlarges the application range of the unpowered hood, realizes the rotation of a driving device by utilizing air convection based on the characteristic that the hood is relatively sensitive to wind power, does not influence the original function of the hood, and can realize the collection of wind energy and convert the wind energy into electric energy.
2, the friction nanometer power generation unit generates power by utilizing mutual rotation of a rotor and a stator of the hood and repeated friction of the friction block and the first electrode and the second electrode, so that wind energy is converted into electric energy; the arrangement mode of the friction blocks can simultaneously carry out friction power generation, so that the friction power generation efficiency and the power generation amount are obviously improved; in addition, the number of the friction power generation units is further increased by utilizing the slot design, and the power generation effect is improved.
3, the friction nanometer power generation unit added in the invention is convenient to arrange, the electrode layer and the friction layer are simple to set, the friction nanometer power generation unit can be modified for the installed family user, the friction nanometer power generation unit can be used for generating electric energy when the use is not influenced, and especially the friction nanometer power generation unit can be used for generating electricity in places where outdoor electric power is inconvenient to access; the device can be used for collecting offshore wind energy, is arranged on a navigation mark, and collects the offshore wind energy to charge or supply power for a navigation mark battery or electric equipment.
4, the invention has relatively simple integral structure and convenient assembly, can realize modular installation and reduces working procedures.
5, the invention also adds an electromagnetic generating unit, and the rotor rotates the magnet through the central rotating shaft and generates magnetic induction line cutting with the coil to generate electromagnetic power, thereby improving the conversion rate and the generating capacity of the power generation.
Drawings
FIG. 1 is a structural diagram of a friction nanometer power generation device based on a powerless hood in the invention;
FIG. 2 is an internal structural view of FIG. 1;
FIG. 3 is a structural view of the central spindle of FIG. 2;
FIG. 4 is an expanded structure view of FIG. 2 with only one electrode layer and one friction layer;
FIG. 5 is a schematic view of the electrode layer and the friction layer in FIG. 2 arranged in multiple groups;
FIG. 6 is a schematic diagram of the friction layer of FIG. 2 in a brush-like design;
FIG. 7 is a structural diagram of a friction nano-power generation device based on a powerless hood in a preferred embodiment of the present invention;
FIG. 8 is a structural diagram of another friction nano-power generation device based on a unpowered hood in a preferred embodiment of the invention;
fig. 9 is a structural view of the fixing frame of fig. 8.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a rotor; 2. a stator; 3. a fixed part; 4. a central rotating shaft; 401. an upper section; 402. a lower section; 5. a connecting frame; 6. a support frame; 7. a coil; 8. a magnet; 9. a fixed mount; 10. a splint; 11. a screw; 12. a first annular slot; 13. a first electrode; 1301. a first base part; 1302. a first bulge part; 14. a second electrode; 1401. a second base part; 1402. a second bulge part; 15. a gap; 16. a first friction layer; 17. and a second annular slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
Example 1
Please refer to fig. 1, which is a structural diagram of a friction nano-power generation device based on a powerless hood in the present invention. A friction nanometer power generation device based on an unpowered hood comprises the unpowered hood and a friction power generation unit. Referring to fig. 2, the unpowered hood comprises a stator 2 and a rotor 1, wherein the rotor 1 and the stator 2 rotate relatively under the action of air flow; in order to ensure the stable operation of the stator 2 and the rotor 1, the unpowered hood further comprises a central rotating shaft 4, a connecting frame 5 and a supporting frame 6. The central rotating shaft 4 is arranged in the rotor 1, and the central rotating shaft 4 is connected with the inner top of the rotor 1 so that the rotating shaft 4 and the rotor 1 rotate synchronously; the connecting frame 5 is used for connecting the circumferential inner wall of the rotor 1 with the central rotating shaft 4; the connecting frame 5 can adopt a cross-shaped bracket to support the rotor 1 without deformation; support frame 6 and stator 2's inner wall connection and support central rotating shaft 4: specifically, the support frame 6 is provided with a support bearing, and the central rotating shaft 4 passes through the support bearing, so that the support of the central rotating shaft 4 is realized, and the central rotating shaft 4 can rotate.
The unpowered hood is used as the practical application of an aerodynamic wind carrier type theory, when wind blows over the hood, air convection generates pressure on the windward side of the hood, and the leeward side generates suction force to further drive rotation; when the blast cap is installed on a roof, air convection can be generated by utilizing the difference of indoor and outdoor temperatures, and the driving rotation can also be realized; therefore, compared with the existing fan type design, the unpowered hood has higher wind sensitivity and is suitable for wind energy collection and power generation. Of course, the material of the structure of the unpowered hood in this embodiment is selected according to the requirement: specifically, in order to make the rotor 1 have a certain lightness and resist certain wind power, the material thereof can be a material with a certain lightness, such as an alloy, but the weight thereof should be ensured not to be too large so as to enable the rotor to be driven by smaller wind power; in order to prolong the service life, a material with good hardness and corrosion resistance, such as an acrylic material, can be selected for producing and processing the rotor 1 and the stator 2.
In addition, the stator 2 and the rotor 1 in the present embodiment may be provided in a modular manner. Specifically, referring to fig. 3, the central rotating shaft 4 includes an upper section 401 and a lower section 402; the top end of the upper section 401 is connected with the inner top of the rotor 1, and a spline shaft is arranged at the bottom end; the top end of the lower section 402 is provided with a slot which is used for being in plug-in fit with the spline shaft; the lower section 402 penetrates through and is rotatably connected with the support frame 6; the support frame 6 is provided with support bearings through which the lower section 402 passes. Like this, rotor 1, upper segment 401, link 5 constitute a module, and stator 2, hypomere 402, support frame 6 constitute another module, and two modules can realize the loading and unloading through the plug, and the equipment is convenient.
With continued reference to fig. 2 and 4, the friction power generation unit includes at least one set of electrode layer and at least one set of friction layer, and the electrode layer and the friction layer are respectively disposed on the opposite walls of the stator 2 and the rotor 1, and the positions thereof correspond to each other; the electrode layer is arranged on the stator 2 and the friction layer is arranged on the rotor 1. The friction layer rotates along with the rotor 1 and performs friction power generation with an electrode layer on the stator 2; because the electrode layer 2 is arranged on the stator 2 and the position is fixed, the lead wire is conveniently led out from the electrode layer 2, and the electric energy generated by friction is led out. It should be noted that the wire should be connected to a power management module (not shown) mounted on the supporting frame 6 to manage the output power.
As shown in fig. 2, the inner diameter of the rotor 1 is larger than the outer diameter of the stator 2, and the rotor 1 covers the stator 2; the electrode layer is arranged on the outer wall of the stator 2, and the friction layer is correspondingly arranged on the inner wall of the rotor 1. The electrode layer can be formed by pasting electrode materials on a double-sided adhesive tape, or formed by corroding a PCB (printed circuit board), or can be formed by pasting a copper foil adhesive tape, or can be formed by brushing liquid materials.
The friction layer is adhered to the wall surface of the rotor 1 through double-sided adhesive, and the friction layer is required to be adhered to the electrode layer, so that relative rotation and friction power generation are realized; in addition, in order to make the friction layer and the electrode layer fully contact, a sponge layer can be arranged between the friction layer and the wall surface of the rotor 1, one side of the sponge layer is adhered to the wall surface of the rotor 1 through a double-sided adhesive tape, and the other side of the sponge layer is adhered to the friction layer through the double-sided adhesive tape, so that the friction layer is attached to the electrode layer through elastic deformation of the sponge layer and does not hinder rotation of the rotor 1.
FIG. 4 is an expanded view of the structure with only one electrode layer and one friction layer; the electrode layer comprises a first electrode 13 and a second electrode 14; the first electrode 13 comprises a first base part 1301 and a plurality of first protruding parts 1302 uniformly arranged along the first base part 1301, and the whole first protruding parts are in a downwards protruding sawtooth shape; the second electrode 14 and the first electrode 13 are arranged around the wall surface of the rotor 1 (the electrodes are strip-shaped after being unfolded); the second electrode 14 and the first electrode 13 are the same in shape; the second electrode 14 comprises a second base part 1401 and a plurality of second protruding parts 1402 uniformly arranged along the second base part 1401, and the whole second protruding parts are in an upwards protruding sawtooth shape; the second electrode 14 is located below the first electrode 13, and the two are mutually clamped with a gap 15 left between the two.
The friction layer comprises a friction block; the position of the friction block is lower than the first base part 1301 of the electrode layer and higher than the second base part 1401 of the electrode layer;
it should be noted that the electrode layer and the friction layer are arranged to meet the following requirements:
the width of the friction block is L1, the height of the friction block is L2, the width of the gap 15 is L3, the widths of the first protruding part 1302 and the second protruding part 1402 are both L4, and the heights of the first protruding part 1302 and the second protruding part 1402 are both L5; l3 is more than L1 and more than L4+2L3, and L2 is more than L5+ L3.
Specifically, the first electrode 13 and the second electrode 14 are separated and insulated from each other by the gap 15. The friction block is not in contact with the first base part 1301, so that the first electrode 13 is prevented from being rubbed all the time; similarly, the friction block is not in contact with the second base part 1401, so that the friction block is prevented from being constantly rubbed with the second electrode 14, when the rotor 1 rotates, the friction block is rubbed by being in contact with the first protruding part 1302 and the second protruding part 1402, and the generated friction charge can be retained on the contact surface; when the friction block rotates to a part to be in contact with the first protruding part 1302 and the other part to be in contact with the second protruding part 1402, a potential difference is generated on the first electrode 13 and the second electrode 14, and friction power generation is achieved. The friction block rotates along with the rotor 1, and the actions are repeated, so that continuous friction power generation is realized.
It should be noted that, because the unpowered cowl is highly sensitive to wind, the rotor 1 can rotate freely relative to the stator 2; the friction power generation unit has small motion resistance, so that wind energy can be effectively collected and converted.
More specifically, compared with the traditional wind power generation equipment, the traditional fan blades have selectivity on the wind direction, the unpowered hood-based wind cap of the invention has smaller limitation on the wind direction, can almost accept wind from all directions, and has better sensitivity and higher practicability. More importantly, the conversion rate and the conversion rate of the wind energy are improved. Traditional conservation of energy: wind energy = mechanical energy + traditionally converted electrical energy, whereas the energy conservation of the invention is: wind energy '= mechanical energy' + nanometer friction electric energy. Firstly, due to the sensitivity of the wind cap to wind, the obtained wind energy' is larger than that of the traditional wind power generation equipment; in addition, the electrode layer and the friction layer structure designed by the invention and the mutual matching mode of the electrode layer and the friction layer structure, the loss part of wind energy in mechanical energy is smaller due to factors such as resistance and the like, and meanwhile, the mechanical energy can be well converted into nano friction electric energy, so that the mechanical energy of the invention is smaller than the mechanical energy of the traditional wind power generation equipment, namely the nano friction electric energy converted from the wind energy of the invention is improved in conversion amount and conversion rate compared with the traditional conversion electric energy.
Of course, the friction block may be provided in plural so as to perform the friction power generation simultaneously. It is noted, however, that the setup should meet the following requirements:
at least two friction blocks are uniformly arranged around the circumference of the stator 2; the distance between the adjacent friction blocks is D1, the distances between the first adjacent protruding parts 1302 and the second adjacent protruding parts 1402 are D2, and D1 is an integral multiple of D2.
Referring to fig. 4, a schematic diagram of the arrangement of 3 friction blocks is given, where D1= D2. Thus, 3 friction blocks rotate synchronously, and the electrodes of the contacted convex parts are the same, so that friction power generation is synchronously performed, the power generation amount is increased, and mutual interference is avoided.
Referring to fig. 5, a plurality of electrode layers and corresponding friction layers may also be axially disposed, that is, at least two sets of electrode layers are axially disposed along the stator 2, and the same number of sets of friction layers are correspondingly disposed along the axial direction of the rotor 1; fig. 5 shows a corresponding structure diagram when two groups are arranged, and the specific arrangement mode refers to the above. And finally, the electric energy collected by each group of electrode layers is connected in series and in parallel, so that the output energy of power generation is increased.
The rubbing layer is generally made of a material having electronegativity, such as perfluoroethylene propylene copolymer (FEP), polyimide (Kapton), polytetrafluoroethylene (PTFE), polydimethylsiloxane, poly diphenylpropane carbonate, polyethylene terephthalate aniline formaldehyde resin, or animal hair; it should be noted that, referring to fig. 6, in consideration of the resistance and the service life of the friction layer, the friction layer may be configured as a brush with a certain elasticity, or hair may be directly used as an electrode to reduce the resistance generated during rotation and the service life problem caused by long-term use.
The electrode layer is generally made of a material having positive charge, and may be selected from metals, alloys, indium tin oxide, conductive organic polymer materials, and the like, wherein the metals may be selected from copper, aluminum, gold, silver, platinum, nickel, titanium, chromium, selenium, and the like, the alloys may be selected from two or more of gold, silver, platinum, aluminum, nickel, copper, titanium, chromium, selenium, and the like, and the conductive organic polymer materials may be selected from polypyrrole, polyphenylene sulfide, polyphthalocyanine compounds, polyaniline, polythiophene, and the like.
The whole device of this embodiment, but direct integration is on domestic roof, or for the family user who has installed reequips, when not influencing current indoor air purification function, can also be used for the electricity generation, especially the inconvenient place that reaches of outdoor electric power. The wind energy collecting device can be arranged at other places for collecting wind energy, for example, the wind energy collecting device can be arranged on a top bracket of a beacon device and used for collecting offshore wind energy, charging or supplying power for a beacon battery or electric equipment, and collecting, storing or using converted electric energy. The device is installed by fixedly connecting four fixing parts 3 outside the bottom of the stator 2 with corresponding installing parts such as a bracket and the like by bolts. In addition, the unpowered hood has certain rainproof performance, so the device also has certain benefits: not only can collect wind energy, but also can realize the rainproof function without additional other devices.
In addition, based on the principle of friction power generation, the voltage generated by the friction nano power generation unit in the embodiment will change with the rotation speed of the rotor 1, so that the rotation speed of the rotor 1 can be reflected by the change of the voltage, that is, the induction of the wind speed is realized. The device is therefore also used as a sensor for measuring wind speed.
Example 2
Referring to fig. 7, the present embodiment also provides a friction nanometer power generation device based on a powerless hood. The difference from embodiment 1 is in the structure of the stator 2, the arrangement positions of the friction layer and the electrode layer.
The top of the stator 2 is provided with a first annular slot 12, and the rotor 1 is inserted into the first annular slot 12; the electrode layers are arranged on the inner walls of the two sides of the first annular slot 12, and the friction layers are correspondingly arranged on the inner wall and the outer wall of the rotor 1.
Compared with embodiment 1, this embodiment actually adds a set of electrode layer and friction layer, and the friction layer and the electrode layer of the set rotate with each other to generate electricity by friction. The electrode layer and the friction layer of this set were mounted in the same manner as in example 1. In the embodiment, mechanical energy is more fully converted by increasing the number of the friction power generation units.
It is of course also possible to provide slots on both the rotor 1 and the stator 2. Referring to fig. 8, the top of the stator 2 is provided with a first annular slot 12, the bottom of the rotor is provided with a second annular slot 17, the second annular slot 17 is buckled on the first annular slot 12, and the inner ring of the second annular slot 17 is inserted into the first annular slot 12; thus, the electrode layers are arranged on the inner walls of the two sides of the first annular slot 12 and the outer wall of the outer ring of the first annular slot 12, and the friction layers are correspondingly arranged on the inner wall of the rotor 1 and the inner walls of the two sides of the second annular slot 17, so that the number of friction power generation units can be further increased; on the basis of not influencing performance output, can also continue to expand and set up more slots like this, increase output electric energy.
Example 3
Referring to fig. 8, the present embodiment also provides a friction nanometer power generation device based on a powerless hood.
The difference between the method and the device is that an electromagnetic power generation unit is added, and the conversion rate and the power generation amount of power generation are improved.
The friction nanometer power generation device based on the unpowered hood further comprises an electromagnetic power generation unit, wherein the electromagnetic power generation unit comprises a magnet 8 and at least one group of coils 7; the magnet 8 is arranged at the bottom end of the central rotating shaft 4; the coil 7 is arranged at the periphery of the magnet 8; the magnet 8 rotates along with the central rotating shaft 4, and generates magnetic induction line cutting with the coil 7 to perform electromagnetic power generation.
The coil 7 is wound on a coil rack which is connected with the inner wall of the stator 2; in order to ensure the electromagnetic power generation effect, a plurality of coil frames are arranged along the circumferential direction of the stator 2, and correspondingly, the same number of coils 7 are wound, so that when the magnet 8 rotates, the plurality of coils 7 synchronously cut magnetic induction lines to generate electromagnetic power, and the conversion rate and the power generation amount of the power generation can be improved. And the position of the coil 7 is unchanged, so that a lead is conveniently led out from the coil 7, and the generated electric energy can be led out. It should be noted that the wire is also connected to the power management module to manage the output power.
Referring to fig. 9, the magnet 8 is mounted on the central rotating shaft 4 in a clamping manner; specifically, the electromagnetic power generation unit comprises a fixed frame 9, a screw rod 11 and a clamping plate 10; the fixed frame 9 is connected to the bottom end of the central rotating shaft 4; the screw 11 penetrates through and is in threaded connection with the bottom of the fixing frame 9; the clamping plate 10 is arranged at the top end of the screw rod 11; the clamp plate 10 is lifted and lowered with the rotation of the screw 11, and is used for pressing the magnet 8 in the fixed frame 9. This facilitates replacement of the debug magnet 8 according to the actual use effect.
Although the rotation resistance of the rotor 1 is increased by adding the electromagnetic generating unit, parameters such as the size of the components of the electromagnetic generating unit can be adjusted according to the actual use effect, and the influence of the rotation resistance of the electromagnetic generating unit can be reduced, so that the conversion rate of power generation and the power generation amount can be improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A friction nanometer power generation device based on an unpowered hood is characterized by comprising the unpowered hood and a friction power generation unit;
the unpowered hood includes:
a stator;
the rotor and the stator rotate relatively under the action of air flow;
the friction power generation unit includes:
at least one set of electrode layers; and
at least one set of friction layers; the electrode layer and the friction layer are respectively arranged on the opposite walls of the stator and the rotor and correspond to each other in position; the electrode layer is arranged on the stator, and the friction layer is arranged on the rotor; the friction layer rotates along with the rotor and performs friction power generation with an electrode layer on the stator;
the electrode layer includes:
the first electrode comprises a first base part and a plurality of first protruding parts uniformly arranged along the first base part, and the whole first electrode is in a downwards protruding sawtooth shape; and
the second electrode and the first electrode are arranged around the wall surface of the rotor; the second electrode and the first electrode are the same in shape; the second electrode comprises a second base part and a plurality of second protruding parts which are uniformly arranged along the second base part and are integrally in an upwards protruding sawtooth shape; the second electrode is positioned below the first electrode, the two electrodes are mutually clamped, and a gap is reserved between the two electrodes;
the friction layer includes:
the friction block is positioned lower than the first base part of the electrode layer corresponding to the friction block and higher than the second base part of the electrode layer corresponding to the friction block; the width of the friction block is L1, the height of the friction block is L2, the width of the gap is L3, the width of the first protruding part and the width of the second protruding part are both L4, and the height of the first protruding part and the height of the second protruding part are both L5; l3 is more than L1 and more than L4+2L3, and L2 is more than L5+ L3; the friction block rotates along with the rotor, sequentially contacts the first protruding part and the second protruding part, and repeatedly acts.
2. The unpowered hood based friction nano-power generation device of claim 1, wherein the friction blocks are evenly arranged in at least two circumferentially around the stator; the distance between every two adjacent friction blocks is D1, the distance between every two adjacent first protruding parts and every two adjacent second protruding parts is D2, and D1 is an integral multiple of D2;
or/and at least two groups of electrode layers are arranged at intervals along the axial direction of the stator, and the same number of groups of friction layers are correspondingly arranged along the axial direction of the rotor.
3. The unpowered hood based friction nano-power generation device of claim 1, wherein the rotor inner diameter is larger than the stator outer diameter, the rotor is shrouded on the stator;
the electrode layer is arranged on the outer wall of the stator, and the friction layer is correspondingly arranged on the inner wall of the rotor.
4. The unpowered hood based friction nano power generation device according to claim 1, wherein the top of the stator is provided with a first annular slot, and the rotor is inserted into the first annular slot; the electrode layers are arranged on the inner walls of two sides of the annular slot, and the friction layers are correspondingly arranged on the inner wall and the outer wall of the rotor;
or the top of the stator is provided with a first annular slot, the bottom of the rotor is provided with a second annular slot, the second annular slot is buckled on the first annular slot, and the inner ring of the second annular slot is inserted into the first annular slot; the electrode layers are arranged on the inner walls of the two sides of the annular slot and the outer wall of the outer ring of the annular slot, and the friction layers are correspondingly arranged on the inner wall of the rotor and the inner walls of the two sides of the annular slot.
5. The unpowered hood based friction nano-power generation device according to any one of claims 1 to 4, wherein a sponge layer is further arranged between the friction layer and the wall surface of the rotor, and is used for fully contacting the friction layer and the electrode layer.
6. The unpowered hood based friction nano-power generation device of claim 1, wherein the unpowered hood further comprises:
the central rotating shaft is arranged in the rotor; the central rotating shaft is connected with the inner top of the rotor;
the connecting frame is used for connecting the circumferential inner wall of the rotor with the central rotating shaft; and
and the support frame is connected with the inner wall of the stator and supports the central rotating shaft.
7. The unpowered hood based friction nano-power generation device of claim 6, wherein the central rotating shaft comprises:
the top end of the upper section is connected with the inner top of the rotor, and a spline shaft is arranged at the bottom end of the upper section; and
a lower section; the top end of the spline shaft is provided with a slot which is used for being in inserting fit with the spline shaft; the lower section penetrates through and is rotatably connected with the supporting frame; the support frame is provided with a support bearing, and the lower section of the support frame penetrates through the support bearing.
8. The unpowered hood based friction nano power generation apparatus according to claim 6 or 7, wherein the unpowered hood based friction nano power generation apparatus further comprises an electromagnetic power generation unit comprising:
the magnet is arranged at the bottom end of the central rotating shaft; and
at least one set of coils arranged on the periphery of the magnet; the magnet rotates along with the central rotating shaft and generates magnetic induction linear cutting with the coil to carry out electromagnetic power generation.
9. The unpowered hood based friction nano-power generation device of claim 8, wherein the electromagnetic generation unit further comprises:
the fixing frame is connected to the bottom end of the central rotating shaft;
the screw rod penetrates through and is in threaded connection with the bottom of the fixing frame; and
the clamping plate is arranged at the top end of the screw rod; the clamping plate is lifted along with the rotation of the screw rod and is used for pressing the magnet in the fixed frame.
10. The unpowered hood based friction nano-generator of claim 9, wherein the coil is wound on a bobbin that is attached to the inner wall of the stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997209.4A CN115347813A (en) | 2022-08-19 | 2022-08-19 | Friction nanometer power generation device based on unpowered hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997209.4A CN115347813A (en) | 2022-08-19 | 2022-08-19 | Friction nanometer power generation device based on unpowered hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115347813A true CN115347813A (en) | 2022-11-15 |
Family
ID=83953964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210997209.4A Pending CN115347813A (en) | 2022-08-19 | 2022-08-19 | Friction nanometer power generation device based on unpowered hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115347813A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553867A (en) * | 2024-01-09 | 2024-02-13 | 北京纳米能源与系统研究所 | Liquid flow monitoring instrument |
| CN117553867B (en) * | 2024-01-09 | 2024-04-26 | 北京纳米能源与系统研究所 | Liquid flow monitoring instrument |
-
2022
- 2022-08-19 CN CN202210997209.4A patent/CN115347813A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553867A (en) * | 2024-01-09 | 2024-02-13 | 北京纳米能源与系统研究所 | Liquid flow monitoring instrument |
| CN117553867B (en) * | 2024-01-09 | 2024-04-26 | 北京纳米能源与系统研究所 | Liquid flow monitoring instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhang et al. | An ultra-durable windmill-like hybrid nanogenerator for steady and efficient harvesting of low-speed wind energy | |
| CN109921678B (en) | Rotary electromagnetic-friction composite nano generator | |
| KR101172624B1 (en) | A electricity generator | |
| CN203532171U (en) | Wind power generation device and wind power generation system | |
| CN109067236B (en) | Built-in columnar friction power generation device of motor | |
| CN109149993B (en) | Generator | |
| CN108488046A (en) | A kind of windmill electric generating apparatus | |
| CN112054711A (en) | Mechanical rectification type friction nano power generation device | |
| CN113162460B (en) | Electrostatic rotary and linear reciprocating motion coupling energy collector | |
| CN115347813A (en) | Friction nanometer power generation device based on unpowered hood | |
| Gao et al. | Self-powered system for environment and aeolian vibration monitoring in the high-voltage transmission system by multi-directional wind-driven triboelectric nanogenerator | |
| CN110460261B (en) | Gear meshing structure direct-current rotation friction nanometer power generation device | |
| CN211599059U (en) | High-efficient type radiator fan | |
| CN113452187B (en) | Brushless motor and electrical equipment | |
| CN113530752A (en) | Wave energy power generation device and manufacturing method thereof | |
| CN212508641U (en) | Wind power friction nano generator | |
| CN205260215U (en) | Utilize power supply unit of slewing device cooling air | |
| CN220273456U (en) | Wind-driven triboelectric and electromagnetic composite power generation device | |
| CN108768203A (en) | A kind of three-dimensional cyclic triboelectricity device | |
| CN216241053U (en) | Wind energy charging equipment and wind energy charging circuit | |
| CN109149994B (en) | Generator with rotating structure | |
| CN114268238B (en) | Flower bud array type friction nano generator based on 3D printing | |
| CN219627582U (en) | Fluid energy collecting device based on friction nano generator | |
| CN111173772A (en) | Manufacturing method of fan blade self-generating type photovoltaic fan | |
| CN214617175U (en) | Intelligent voice control switch for fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |