CN111525830B - Friction generator - Google Patents
Friction generator Download PDFInfo
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- CN111525830B CN111525830B CN201910108751.8A CN201910108751A CN111525830B CN 111525830 B CN111525830 B CN 111525830B CN 201910108751 A CN201910108751 A CN 201910108751A CN 111525830 B CN111525830 B CN 111525830B
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- ratchet wheel
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
Abstract
The invention provides a friction generator, relates to the technical field of generators, and solves the technical problem that a friction nanometer generator in the prior art is relatively low in generating efficiency. The device comprises a seat body, a ratchet wheel component and a movable component, wherein the ratchet wheel component is rotationally connected with the seat body, the movable component is positioned in the seat body, the movable component is distributed along the circumferential direction of the ratchet wheel component and can be contacted with the ratchet wheel component; a friction power generation unit is arranged between the movable component and the seat body; when the ratchet wheel component rotates, the movable component can do linear reciprocating motion so as to realize the friction electricity generation of the friction electricity generation unit. The invention is used for driving the fan blades to rotate by external wind energy or water flow energy and the like, generates electric energy to be output and realizes the capture of environmental energy.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a ratchet wheel-based frequency-increasing motion mode conversion type friction/electromagnetic composite generator.
Background
With the rapid increase in world energy consumption, and the reduction in the amount of non-renewable fossil fuels, renewable and sustainable energy technology has become an increasingly important area of research. In life, abundant and ubiquitous environmental mechanical energy can greatly meet energy requirements, so that the mechanical energy obtained from the surrounding environment becomes one of the most effective alternative solutions for solving the energy crisis.
Triboelectrification and electrostatic induction are common physical phenomena in nature, one part is electrified negatively and the other part is electrified positively by rubbing different objects, and when the two objects are separated by a certain distance through external force, electric potential is generated between the two objects. Triboelectricity is difficult to collect and utilize and is therefore often overlooked by people. A flexible friction nano-generator was developed by a research group led by professor Wangzhonglin of the university of Zongzhi college of technology, and mechanical energy is successfully converted into electric energy in a nano-scale range by means of a flexible high polymer material. The generator can widely obtain energy from environments such as human activities, ocean energy, wind energy, mechanical vibration and the like, further supplies power for small electronic products, and has great commercial value and social benefit.
In the working principle of the existing friction nanometer generator, a friction surface is formed between a high molecular polymer and a metal electrode or between high molecular polymers to work. The existing friction generator has a single mechanism and relatively low generating efficiency. Therefore, it is urgent to design a hybrid friction/electromagnetic generator that can generate high output power in a low frequency environment.
Disclosure of Invention
The invention aims to provide a friction generator, which solves the technical problem that the friction nanometer generator in the prior art has relatively low generating efficiency. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a friction generator which comprises a base, a ratchet wheel assembly and a movable assembly, wherein the ratchet wheel assembly is rotationally connected with the base, the movable assembly is positioned in the base, the movable assembly is distributed along the circumferential direction of the ratchet wheel assembly and can be contacted with the ratchet wheel assembly; a friction power generation unit is arranged between the movable assembly and the seat body; when the ratchet wheel assembly rotates, the movable assembly can do linear reciprocating motion so as to realize the friction electricity generation of the friction electricity generation unit.
Preferably, one end of the movable assembly, which is far away from the ratchet assembly, and the inner side wall of the seat body are both provided with friction electrode layers, and the friction electrode layers of the movable assembly and the inner side wall of the seat body form a contact-separation mode power generation unit, and when the movable assembly is in contact with the tooth tops of the ratchet wheels of the ratchet assembly, the friction electrode layer at the end part of the movable assembly is in contact with the friction electrode layer on the inner side wall of the seat body.
Preferably, an arc baffle is arranged in the seat body, the arc baffle is distributed on the seat body at intervals along the circumferential direction of the seat body, a friction electrode layer is arranged on the surface of the arc baffle facing the middle position of the seat body, and the friction electrode layer on the arc baffle and the friction electrode layer at the end part of the movable assembly form the contact-separation mode power generation unit.
Preferably, the arc-shaped baffle plate is bent towards the middle position of the seat body, and the radian alpha of the arc-shaped baffle plate is more than 0 and less than or equal to pi/6.
Preferably, the base is provided with a guide member, the movable assembly passes through the guide member and linearly reciprocates along a radial direction of the base, and a sliding mode power generation unit is arranged between the guide member and the movable assembly.
Preferably, the guide member has a square cylindrical structure, each inner side surface of the guide member is provided with a friction electrode layer, and the friction electrode layers respectively corresponding to the friction electrode layers on the movable assembly form the sliding mode power generation unit.
Preferably, a spring baffle is arranged on one side of the guide part close to the middle position of the seat body, the movable assembly penetrates through the spring baffle, and an elastic piece is arranged between the end part of the movable assembly close to one end of the ratchet assembly and the spring baffle.
Preferably, the spring baffle is provided with a limiting bulge, and the limiting bulge is inserted into a through hole in the guide part.
Preferably, a magnet is arranged on a ratchet wheel of the ratchet wheel assembly, a coil is arranged on the base body, and when the magnet rotates along with the ratchet wheel assembly, the coil can perform cutting magnetic induction line motion.
Preferably, the magnets are uniformly inserted into the ratchet wheel along the circumferential direction of the ratchet wheel, and the axis of the magnets is parallel to the axis of the ratchet wheel; the coil mounting structure is characterized in that a coil mounting shaft is arranged at the end of the seat body, the coil mounting shaft is uniformly distributed on the end face of the seat body along the circumferential direction of the seat body, and the coil is sleeved on the coil mounting shaft.
Preferably, the friction electrode layer comprises an electrode layer and a friction layer, the friction layer is pasted on the electrode layer, and the electrode layer is pasted on a component of the friction generator; the electrode layer is made of metal materials, and the friction layer is made of flexible high-molecular polymer materials.
Preferably, the movable assembly includes guide block, arc briquetting and triangle briquetting, the guide block is connected the arc briquetting with the triangle briquetting, the triangle briquetting passes the setting and is in spring baffle in the seat just the butt portion of triangle briquetting free end with ratchet assembly contacts, the cover is equipped with the elastic component just on the triangle briquetting the elastic component is located spring baffle and between the butt portion.
Preferably, the both ends of guide block are provided with spacing hole, the cylindricality portion of arc briquetting and the cylindricality portion of triangle briquetting inserts correspondingly spacing downthehole, just the cylindricality portion of triangle briquetting passes spring baffle.
Preferably, one end of the arc-shaped pressing block, which is far away from the guide block, is of an arc-shaped structure; the shape of one end of the triangular pressing block, which is far away from the guide block, is matched with the shape of ratchet teeth of the ratchet wheel assembly; the guide block is of a cuboid structure.
Preferably, the base body comprises an assembly chassis and a sealing cover detachably connected with the assembly chassis, the sealing cover is of a cylindrical structure with one end sealed, and the assembly chassis is arranged at the opening end of the sealing cover; the ratchet wheel of the ratchet wheel component is positioned in the seat body, and the rotating shaft of the ratchet wheel component is rotationally connected with the assembling chassis and the sealing cover through a bearing; one end of the rotating shaft, which protrudes out of the assembling chassis, is provided with a fan blade.
Preferably, the outer contour of the seat body is a cylindrical structure; and a second lead hole is formed in the sealing cover.
The invention relates to a friction generator, which adopts continuous rotation motion as an input source to drive a ratchet wheel of a ratchet wheel component to rotate, wherein the ratchet wheel is arranged in a seat body; the invention has simple structure, high stability and high power generation density, increases the frequency of the generator through the structural design, and solves the technical problem of relatively low power generation efficiency of the friction nano generator in the prior art.
The preferred technical scheme of the invention can at least produce the following technical effects:
the ratchet wheel of the ratchet wheel component is provided with the magnet, the base body is provided with the coil, when the magnet is along with the ratchet wheel component, the coil can be mutually induced with the magnet to generate electromagnetic power generation, and the output of the generator can be greatly improved by increasing the electromagnetic composite power generation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a friction generator provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an assembly chassis provided by an embodiment of the present invention;
FIG. 3 is a schematic structural view of a sealing cover according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of the assembly of the ratchet assembly with the magnet and the bearing according to the embodiment of the present invention;
FIG. 5 is an elevation view of a ratchet wheel provided by an embodiment of the present invention;
FIG. 6 is a schematic diagram of a movable assembly provided by an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of an arc-shaped compact provided by an embodiment of the invention;
FIG. 8 is a schematic structural diagram of a guide block provided in an embodiment of the present invention;
FIG. 9 is another schematic structural diagram of a guide block provided in an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a triangular pressure block provided by an embodiment of the invention;
FIG. 11 is a schematic diagram of a spring retainer according to an embodiment of the present invention;
FIG. 12 is a schematic structural diagram of a touch-separation mode power generation unit provided by an embodiment of the present invention;
fig. 13 is a schematic structural diagram of a sliding mode power generation unit according to an embodiment of the present invention.
Figure 1-base; 11-arc baffle; 12-a spring retainer; 121-a limiting bulge; 13-coil mounting shaft; 14-assembling the chassis; 141-a stepped bore; 142-a via; 15-sealing cover; 151-lead hole two; 152-blind hole; 153-a threaded hole; 2-a ratchet assembly; 21-a ratchet wheel; 22-a rotating shaft; 23-a bearing; 3-a movable assembly; 31-a guide block; 311-limiting hole; 32-arc-shaped pressing blocks; 33-triangular briquetting; 331-an abutment; 4-a guide member; 41-a first lead hole; 5-an elastic member; 6-a magnet; 7-a coil; 8-fan blades; 9-a screw; 10-a triboelectric electrode layer; 101-an electrode layer; 102-friction layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-13, the present invention provides a friction generator, including a base 1, a ratchet assembly 2 and a movable assembly 3, wherein the ratchet assembly 2 is rotatably connected to the base 1, the movable assembly 3 is located in the base 1, the movable assembly 3 is distributed along the circumferential direction of the ratchet assembly 2, and the movable assembly 3 can contact with the ratchet assembly 2; a friction power generation unit is arranged between the movable component 3 and the seat body 1; when the ratchet wheel component 2 rotates, the movable component 3 can do linear reciprocating motion to realize the friction electricity generation of the friction electricity generation unit. The invention adopts continuous rotary motion as an input source to drive the ratchet wheel component 2 to rotate, the ratchet wheel 21 of the ratchet wheel component 2 is positioned in the base body 1, when the rotating shaft 22 of the ratchet wheel component 2 rotates to drive the ratchet wheel 21 to rotate, at the moment, the movable component 3 can do linear reciprocating motion in the base body 1, a contact-separation mode power generation unit and/or a horizontal sliding mode power generation unit can be formed between the movable component 3 and the base body 1, and friction power generation can be realized in the moving process of the movable component 3; the invention converts the rotary motion into the linear motion, thereby generating the frequency increasing effect and improving the generating efficiency of the friction generator. Furthermore, it is noted that a friction power generation unit may be provided between the movable assembly 3 and the ratchet assembly 2.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 1 and 12, one end of the movable component 3 away from the ratchet component 2 and the inner side wall of the seat 1 are both provided with the friction electrode layer 10, and the friction electrode layers 10 of the two form a contact-separation mode power generation unit, when the movable component 3 contacts with the tooth top of the ratchet 21 of the ratchet component 2, the friction electrode layer 10 at the end of the movable component 3 contacts with the friction electrode layer 10 on the inner side wall of the seat 1; the rubbing electrode layer 10 may be specifically disposed as follows: be provided with cowl 11 in the pedestal 1, cowl 11 evenly interval distribution is on pedestal 1 along the circumferential direction of pedestal 1, and cowl 11 is provided with friction electrode layer 10 on the face towards the pedestal 1 intermediate position, and friction electrode layer 10 on the cowl 11 forms the contact-separation mode power generation unit with the friction electrode layer 10 of movable component 3 tip. Referring to fig. 12, the rubbing electrode layer 10 on the arc-shaped baffle 11 includes an electrode layer 101 and a rubbing layer 102, the electrode layer 101 is made of a metal material with good conductivity, and is adhered to the inner surface of the arc-shaped baffle 11 by using an adhesive to serve as an electrode, and the rubbing layer 102 adhered to the electrode layer 101 on the arc-shaped baffle 11 is made of a flexible high polymer material and is made of a volatile electronic material. Referring to fig. 12, the friction electrode layer 10 (the friction electrode layer 10 matching with the friction electrode layer 10 on the arc-shaped baffle 11) on the end of the movable assembly 3 away from the ratchet assembly 2 includes an electrode layer 101 and a friction layer 102, the electrode layer 101 is adhered to the arc-shaped surface of the movable assembly 3 by means of glue, and the friction layer 102 adhered to the electrode layer 101 on the end of the movable assembly 3 is made of a flexible high polymer material and is made of an easily available electronic material.
As an optional implementation manner of the embodiment of the invention, referring to FIG. 2, the arc baffle 11 is bent towards the middle position of the seat body 1 and is an arc plate, the range of the radian alpha of the arc baffle 11 is 0 < alpha ≦ pi/6, and the thickness d of the arc baffle 11 is greater than 0.
As an optional implementation manner of the embodiment of the present invention, the base body 1 is provided with a guide part 4, the movable assembly 3 passes through the guide part 4, the movable assembly 3 makes a linear reciprocating motion along a radial direction of the base body 1, and a sliding mode power generation unit exists between the guide part 4 and the movable assembly 3. The guide part 4 can be a square cylindrical structure, each inner side surface of the guide part 4 is provided with a friction electrode layer 10, the friction electrode layers 10 and the corresponding friction electrode layers 10 on the movable assembly 3 form a sliding mode power generation unit respectively, the number of the guide parts 4 is 2n, and n is more than or equal to 2. Referring to fig. 13, the rubbing electrode layer 10 on the inner surface of the guide member 4 includes an electrode layer 101 and a rubbing layer 102, the electrode layer 101 is made of a metal material having good conductivity and is processed into an interdigital shape, and is adhered to four inner walls of the guide member 4, and the rubbing layer 102 adhered to the electrode layer 101 of the guide member 4 is made of a flexible polymer material and is a volatile electronic material. Referring to fig. 13, the rubbing electrode layer 10 (the rubbing electrode layer 10 matching with the rubbing electrode layer 10 on the guide member 4) on the movable component 3 includes an electrode layer 101 and a rubbing layer 102, the electrode layer 101 is made of a metal material with good conductivity, is processed into a grid shape, and is attached to four rectangular surfaces of the movable component 3 by means of adhesive, and the rubbing layer 102 attached to the electrode layer 101 of the movable component 3 is made of a flexible high polymer material, and is an easily available electronic material.
Further, referring to fig. 1, fig. 1 illustrates a state in which the movable members 3 are separated from the arc baffles 11, one movable member 3 for each tooth root of the ratchet 21; referring to fig. 13, the number of the ratchet teeth of the ratchet wheel 21 is 2Q, Q is greater than or equal to 2, the diameter of the addendum circle may be T0, the diameter of the dedendum circle may be T1, the movable assembly 3 is matched with the ratchet teeth arranged on the outer circumference of the ratchet wheel 21 to convert the rotation motion of the ratchet wheel 21 into the radial linear reciprocating motion with reciprocating times W as reciprocating stroke S, the reciprocating times W of the movable assembly 3 are related to the number of the ratchet teeth 2Q, that is, the reciprocating times W is 2Q when the ratchet wheel 21 rotates once; the reciprocating stroke S is related to the height difference H between the tooth top and the tooth bottom, namely the reciprocating stroke S is equal to H (T0-T1)/2 when the reciprocating linear motion is completed once.
As an alternative embodiment of the present invention, a spring stop 12 is disposed on one side of the guide member 4 near the middle position of the seat body 1, the movable assembly 3 passes through the spring stop 12, and an elastic member 5 is disposed between an end of the movable assembly 3 near one end of the ratchet assembly 2 and the spring stop 12. When the movable component 3 is in contact with the tooth root of the ratchet wheel 21 and the ratchet wheel 21 rotates, the movable component 3 moves away from the ratchet wheel 21 until the tooth tip of the ratchet wheel 21 is in contact with the movable component 3, and at the moment, the elastic piece 7 is in a compressed state; when the ratchet wheel 21 continues to rotate, the movable component 3 moves towards the ratchet wheel 21 under the action of the elastic element 7 and ensures that the movable component 7 is always abutted against the ratchet wheel 21 until the movable component 3 is contacted with the tooth root of the ratchet wheel 21. Limiting protrusions 121 are arranged on the spring baffle 12, the limiting protrusions 121 are inserted into through holes in the guide part 4, and the spring baffle 12 is in interference fit with the guide part 4. Furthermore, the guide member 4 is provided with a first lead hole 41.
As an optional implementation manner of the embodiment of the present invention, the ratchet 21 of the ratchet assembly 2 is provided with the magnet 6, the seat body 1 is provided with the coil 7, and when the magnet 6 rotates along with the ratchet assembly 2, the coil 7 can perform a magnetic induction line cutting motion. By adding the electromagnetic composite power generation, the output of the generator can be greatly improved. The specific distribution pattern on the ratchet 21 of the magnet 5 is as follows: the magnets 6 are uniformly inserted into the ratchet wheel 21 along the circumferential direction of the ratchet wheel 21, the axis of each magnet 6 is parallel to the axis of the ratchet wheel 21, the number of the magnets 6 is 2X, and X is more than or equal to 2; the end of the seat body 1 is provided with a coil mounting shaft 13, the number of the coil mounting shafts 13 is 2m, m is more than or equal to 2, the coil mounting shafts 13 are uniformly distributed on the end surface of the seat body 1 along the circumferential direction of the seat body 1, and the coil 7 is sleeved on the coil mounting shafts 13.
As an alternative implementation manner of the embodiment of the invention, referring to fig. 6-10, the movable assembly 3 includes a guide block 31, an arc pressing block 32 and a triangular pressing block 33, the guide block 31 connects the arc pressing block 32 and the triangular pressing block 33, the triangular pressing block 33 passes through the spring baffle 12 disposed in the seat body 1, the abutting portion 331 at the free end of the triangular pressing block 33 contacts with the ratchet assembly 2, the triangular pressing block 33 is sleeved with the elastic member 5, and the elastic member 5 is located between the spring baffle 12 and the abutting portion 331. The specific connection mode of the guide block 31, the arc-shaped pressing block 32 and the triangular pressing block 33 can be as follows: the two ends of the guide block 31 are provided with limiting holes 311, the cylindrical parts of the arc pressing block 32 and the triangular pressing block 33 are inserted into the corresponding limiting holes 311, and the cylindrical parts of the triangular pressing block 33 pass through the spring baffle 12.
As an optional implementation manner of the embodiment of the invention, referring to fig. 7-10, one end of the arc-shaped pressing block 32 away from the guide block 31 is of an arc-shaped structure; the shape of one end of the triangular pressing block 33 far away from the guide block 31 is matched with the shape of the ratchet 21 teeth of the ratchet wheel assembly 2; the guide block 31 has a rectangular parallelepiped structure. The arc-shaped surface of the arc-shaped pressing block 32 is provided with the friction electrode layer 10, and four side surfaces of the guide block 31 are provided with the friction electrode layer 10.
As an alternative implementation manner of the embodiment of the present invention, referring to fig. 2-3, the seat body 1 includes an assembly chassis 14 and a sealing cover 15 detachably connected to the assembly chassis 14, the sealing cover 15 is a cylindrical structure with one end sealed, the assembly chassis 14 is disposed at an open end of the sealing cover 15, a through hole 142 is disposed on the assembly chassis 14, a threaded hole 153 is disposed on the sealing cover 15, and the screw 10 passes through the through hole 142 and the corresponding threaded hole 153 to realize detachable connection of the assembly chassis 14 and the sealing cover 15; the ratchet 21 of the ratchet assembly 2 is positioned in the seat body 1, the rotating shaft 22 of the ratchet assembly 2 is rotatably connected with the assembly chassis 14 and the sealing cover 15 through the bearing 23, the middle position of the sealing cover 15 is provided with a blind hole 152, the middle position of the assembly chassis 14 is provided with a stepped hole 141, the bearing 23 is assembled in the blind hole 152 and the stepped hole 141, and the rotating shaft 22 is in interference fit with the inner rings of the two bearings 23; one end of the rotating shaft 22 protruding out of the assembling chassis 14 is provided with a fan blade 8, the fan blade 9 is fixedly installed with the rotating shaft 22 through interference fit, the fan blade 9 is driven to rotate through external wind energy or water flow energy and the like, then the ratchet wheel 21 is driven to rotate, electric energy output is generated, and environmental energy capture is achieved.
As an optional implementation manner of the embodiment of the present invention, the outer contour of the seat body 1 is a cylindrical structure; the sealing cover 15 is provided with a second lead hole 151. The second lead holes 151 on the sealing cover 15 are arranged in one-to-one correspondence with the first lead holes 41 on the guide member 4 in the circumferential direction.
The working conditions of the friction generator provided by the invention are as follows: when the generator works, the fan blade 9 is driven by wind energy or water energy to rotate, and the ratchet wheel 21 is matched with the movable assembly 3 to convert the rotary motion into high-frequency linear reciprocating motion, and at the moment, the friction electrode layer 10 of the arc-shaped baffle plate 11 and the friction electrode layer 10 on the arc-shaped surface of the arc-shaped pressing block 32 generate contact separation motion to form a contact-separation mode power generation unit; the friction electrode layer 10 on the inner side surface of the guide part 4 and the friction electrode layer 10 on the guide block 31 generate relative sliding motion to form a sliding mode power generation unit, and energy output is generated in an external circuit based on the friction electrification and electrostatic induction principles; meanwhile, the magnet 6 arranged on the ratchet wheel 21 and the coil 7 generate relative motion for cutting magnetic induction lines under the driving of the ratchet wheel 21, and further energy output is generated in an external circuit.
The motion mode conversion type friction/electromagnetic composite generator based on the ratchet wheel frequency increase adopts the friction power generation units in the circumferential array, and has the advantages of compact structure, more power generation units and large effective power generation area; the rotary motion is converted into reciprocating linear motion through the ratchet wheel assembly, so that the working frequency of friction power generation is increased, and the power generation efficiency is improved; the electromagnetic power generation efficiency is increased through the induction of the coil and the magnet; the sensor has wide application prospect in low-frequency energy collection (such as wind energy, water flow energy and the like) occasions, and provides a new structure for supplying power to the self-powered sensor.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (15)
1. A friction generator is characterized by comprising a base body (1), a ratchet wheel component (2) and a movable component (3), wherein,
the ratchet wheel assembly (2) is rotatably connected with the base body (1), the movable assemblies (3) are positioned in the base body (1), the movable assemblies (3) are distributed along the circumferential direction of the ratchet wheel assembly (2), and the movable assemblies (3) can be in contact with the ratchet wheel assembly (2); a friction power generation unit is arranged between the movable assembly (3) and the seat body (1); when the ratchet wheel assembly (2) rotates, the movable assembly (3) can do linear reciprocating motion to realize the friction electricity generation of the friction electricity generation unit;
but movable assembly (3) are including guide block (31), arc briquetting (32) and triangle briquetting (33), guide block (31) are connected arc briquetting (32) with triangle briquetting (33), triangle briquetting (33) pass the setting and are in spring baffle (12) in pedestal (1) just the butt portion (331) of triangle briquetting (33) free end with ratchet component (2) contact, the cover is equipped with elastic component (5) just on triangle briquetting (33) elastic component (5) are located spring baffle (12) and between butt portion (331).
2. The triboelectric generator according to claim 1, characterized in that the end of the movable component (3) away from the ratchet component (2) and the inner side wall of the housing (1) are provided with a triboelectric electrode layer (10) and the triboelectric electrode layers (10) of the two form a contact-separation mode power generation unit, and when the movable component (3) is in contact with the tooth tops of the ratchets (21) of the ratchet component (2), the triboelectric electrode layer (10) at the end of the movable component (3) is in contact with the triboelectric electrode layer (10) on the inner side wall of the housing (1).
3. The friction generator according to claim 2, characterized in that arc-shaped baffles (11) are arranged in the base body (1), the arc-shaped baffles (11) are distributed on the base body (1) at intervals along the circumferential direction of the base body (1), a friction electrode layer (10) is arranged on the surface of the arc-shaped baffles (11) facing the middle position of the base body (1), and the friction electrode layer (10) on the arc-shaped baffles (11) and the friction electrode layer (10) at the end of the movable component (3) form the contact-separation mode power generation unit.
4. A triboelectric generator according to claim 3, characterized in that the arc-shaped baffles (11) are curved towards the middle of the seat (1) and the arc α of the arc-shaped baffles (11) ranges from 0 < α ≦ pi/6.
5. The triboelectric generator according to claim 1, characterized in that a guide member (4) is provided on the seat body (1), the movable assembly (3) passes through the guide member (4) and the movable assembly (3) makes a linear reciprocating motion in a radial direction of the seat body (1), a sliding mode power generation unit exists between the guide member (4) and the movable assembly (3).
6. A triboelectric generator according to claim 5, characterized in that the guide part (4) is of a square cylindrical configuration, that on each inner side of the guide part (4) a triboelectric electrode layer (10) is provided and that the sliding mode power generating unit is formed with a corresponding triboelectric electrode layer (10) on the movable assembly (3), respectively.
7. A friction generator according to claim 5, characterized in that a spring baffle (12) is arranged on one side of the guide member (4) close to the middle position of the seat body (1), the movable assembly (3) passes through the spring baffle (12), and an elastic member (5) is arranged between the end of the movable assembly (3) close to one end of the ratchet assembly (2) and the spring baffle (12).
8. Friction generator according to claim 7 characterised in that the spring baffle (12) is provided with a stop protrusion (121), the stop protrusion (121) being inserted in a through hole in the interior of the guide part (4).
9. The friction generator according to claim 1, wherein a magnet (6) is disposed on the ratchet wheel (21) of the ratchet assembly (2), a coil (7) is disposed on the base (1), and when the magnet (6) rotates along with the ratchet assembly (2), the coil (7) can perform a magnetic induction line cutting motion.
10. The triboelectric generator according to claim 9, characterized in that the magnets (6) are uniformly inserted into the ratchet wheel (21) in the circumferential direction of the ratchet wheel (21) and the axis of the magnets (6) is parallel to the axis of the ratchet wheel (21); be provided with coil installation axle (13) on the tip of pedestal (1), coil installation axle (13) are followed the circumference direction evenly distributed of pedestal (1) is in on the terminal surface of pedestal (1), coil (7) cover is established on coil installation axle (13).
11. A triboelectric generator according to claim 2, characterized in that the triboelectric electrode layer (10) comprises an electrode layer (101) and a friction layer (102), the friction layer (102) being affixed on the electrode layer (101), the electrode layer (101) being affixed on a component of the triboelectric generator; the electrode layer (101) is made of metal materials, and the friction layer (102) is made of flexible high polymer materials.
12. The friction generator according to claim 1, characterized in that the guide block (31) is provided with limiting holes (311) at both ends, the cylindrical portion of the arc-shaped pressing block (32) and the cylindrical portion of the triangular pressing block (33) are inserted into the corresponding limiting holes (311), and the cylindrical portion of the triangular pressing block (33) passes through the spring baffle (12).
13. The friction generator according to claim 1, characterized in that the end of the arc-shaped pressing block (32) far away from the guide block (31) is of an arc-shaped structure; the shape of one end, far away from the guide block (31), of the triangular pressing block (33) is matched with the shape of the ratchet wheel (21) teeth of the ratchet wheel assembly (2); the guide block (31) is of a cuboid structure.
14. A triboelectric generator according to any of claims 1-10, characterized in that the housing (1) comprises a mounting chassis (14) and a sealing cover (15) detachably connected to the mounting chassis (14), the sealing cover (15) being of a cylindrical configuration with one end sealed and the mounting chassis (14) being arranged at the open end of the sealing cover (15); a ratchet wheel (21) of the ratchet wheel component (2) is positioned in the base body (1), and a rotating shaft (22) of the ratchet wheel component (2) is rotatably connected with the assembly chassis (14) and the sealing cover (15) through a bearing (23); one end of the rotating shaft (22) protruding out of the assembling chassis (14) is provided with a fan blade (8).
15. A triboelectric generator according to claim 14, characterized in that the outer contour of the seat (1) is of cylindrical configuration; and a second lead hole (151) is formed in the sealing cover (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108751.8A CN111525830B (en) | 2019-02-02 | 2019-02-02 | Friction generator |
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| CN112019084A (en) * | 2020-08-21 | 2020-12-01 | 河南师范大学 | Multi-contact-layer friction nano generator manufactured based on 3D printing technology |
| CN112737398B (en) * | 2020-12-28 | 2022-02-11 | 上海大学 | Nano friction power generation module and combined wind power generation device and method |
| CN113266524A (en) * | 2021-05-14 | 2021-08-17 | 母志长 | Running air flow generator |
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