CN112177869A - Random environmental energy collecting and stable releasing device for friction nano generator - Google Patents
Random environmental energy collecting and stable releasing device for friction nano generator Download PDFInfo
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- CN112177869A CN112177869A CN202011047722.4A CN202011047722A CN112177869A CN 112177869 A CN112177869 A CN 112177869A CN 202011047722 A CN202011047722 A CN 202011047722A CN 112177869 A CN112177869 A CN 112177869A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G1/00—Spring motors
- F03G1/02—Spring motors characterised by shape or material of spring, e.g. helical, spiral, coil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/20—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G1/00—Spring motors
- F03G1/06—Other parts or details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a random environment energy collecting and stable releasing device for a friction nano generator, which improves the energy collecting efficiency and can realize completely constant frequency output. The method comprises the following steps: the energy collecting and storing module is characterized in that the energy collecting mechanism is in power connection with the energy storage shaft through a first speed change mechanism, the energy release gear is sleeved on the energy storage shaft in an empty mode, one end of the energy storage spring is connected with the energy storage shaft, the other end of the energy storage spring is connected with the energy release gear, and the energy storage shaft is installed on the energy storage support through a one-way bearing; the energy control release module comprises an escape wheel and an escape lever which are matched with each other, the escape wheel is in power connection with the energy release gear through a gear which is coaxially connected, the escape lever is hinged to a mounting shaft which is horizontally arranged on the escape bracket, a spring piece is fixed on the mounting shaft, a clamping groove is formed in the escape lever, and the spring piece is in sliding fit in the clamping groove; and the energy conversion module comprises a second speed change mechanism and a power generation mechanism, and the second speed change mechanism is respectively in power connection with the escape wheel and the power generation mechanism.
Description
Technical Field
The invention relates to the technical field of friction nano power generation, in particular to a random environment energy collecting and stable releasing device for a friction nano power generator.
Background
The friction nano generator is an efficient micro mechanical energy-electric energy conversion device, and compared with a traditional electromagnetic induction power generation device, the friction nano generator has the characteristics of miniaturization, diversified application scenes, simple manufacturing process and the like. At present, the friction nanometer generator is used for collecting mechanical energy (such as wind, water flow, waves, various moving objects or organisms) in the environment, and the effective application of the friction nanometer generator is severely restricted due to the limitation of the randomness and instability of the motion.
Disclosure of Invention
The invention provides a random environment energy collecting and stable releasing device for a friction nano generator, which overcomes the defects of low efficiency, low frequency stability and the like of the conventional stabilizing device, improves the energy collecting efficiency and can realize completely constant frequency output.
The purpose of the invention is realized as follows:
a random environmental energy collection and stable release device for triboelectric nanogenerators, comprising:
the energy collecting and storing module comprises an energy collecting mechanism, an energy storing spring and an energy releasing gear, wherein the energy collecting mechanism is in power connection with the energy storing shaft through a first speed changing mechanism;
the energy control release module comprises an escape wheel and an escape lever which are matched with each other, the escape wheel is in power connection with the energy release gear through a gear which is coaxially connected, the escape lever is hinged to a mounting shaft which is horizontally arranged on an escape bracket, a spring piece is fixed on the mounting shaft, a clamping groove is formed in the escape lever, and the spring piece is in sliding fit in the clamping groove;
and the energy conversion module comprises a second speed change mechanism and a power generation mechanism, and the second speed change mechanism is respectively in power connection with the escape wheel and the power generation mechanism.
Preferably, the first speed change mechanism is a reduction gear transmission mechanism, an input gear of the first speed change mechanism is connected with the energy collection mechanism, and an output gear of the first speed change mechanism is coaxially and fixedly connected with the energy storage shaft through a safety coupling.
Preferably, the spring leaf is fixed on the shaft through a pressing plate and a bolt, and a fastening bolt for adjusting the pressing spring leaf is arranged on the clamping groove.
Preferably, the two ends of the escapement lever are respectively provided with a mass block, and the mass of the mass block and the rigidity of the spring piece determine the swinging frequency of the escapement lever.
Preferably, the power generation mechanism comprises a friction rotor, a friction stator and a spacing adjusting device, wherein the friction rotor is in power connection with the escape wheel, and the spacing adjusting device is used for adjusting the friction force between the friction rotor and the friction stator.
Preferably, the second transmission mechanism has a flywheel for stably outputting electric power.
Preferably, the energy collecting mechanism comprises a fixed mounting seat, a sliding rod is arranged on the fixed mounting seat in a vertical sliding fit mode, one end of the sliding rod is connected with the floater and used for collecting energy, the other end of the sliding rod is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the crank, and the crank is in power connection with the energy storage shaft through the first speed change mechanism.
Preferably, the floater is in a downward hemispherical shape, and the floater is in rigid connection with the sliding rod.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the device, the energy of the energy storage spring is released under the control of the designed oscillating rod escapement mechanism, so that the problems that the energy stored in the energy storage spring is released at one time only under the combined action of the flywheel and the energy storage spring, the rotating speed of the flywheel is changed from high to low, the interaction speed of the triboelectric units is lower and lower, and the output is still unstable in the current energy collecting device for friction nano power generation are solved. The energy conversion and output unit of the device realizes uniform rotation under the combined action of the designed oscillating bar escapement mechanism and the flywheel, and the output frequency is completely constant.
The device separately and independently works the energy collection and energy conversion output module through the middle control release module, and solves the problem that the energy collection efficiency is low because the collection of external energy is stopped when the flywheel releases energy in the current friction nano power generation energy collection device, so that the energy collection and the energy release are continuously operated, the mutual interference is avoided, the time is completely parallel, and the energy collection efficiency is 2 times that of the existing device.
The float sliding rod mechanism for collecting wave energy designed by the device can realize energy collection in two directions of up-down movement, solves the problem that the current energy collection mechanism only collects energy in one direction (namely only collects half energy in one movement period), changes single-stroke collection into double-stroke collection, and improves the energy utilization rate to 2 times of that of a similar device.
The invention theoretically improves the energy collection efficiency of the current frequency stabilizing device by 4 times, and can realize completely constant frequency output.
Drawings
FIG. 1a and FIG. 1b are schematic structural views of the present invention;
FIG. 2 is a diagram of the energy flow path of the present invention;
FIG. 3 is a schematic structural diagram of an energy control release module;
FIG. 4 is a schematic diagram of the operation of the energy control release module;
FIG. 5 is a schematic structural view of an energy harvesting mechanism;
FIG. 6 is a schematic structural diagram of an energy conversion module;
FIG. 7 is a schematic structural view of a friction rotor;
fig. 8 is a schematic structural view of a friction stator.
Reference numerals
In the attached figure, 1-floater, 2-fixed mounting seat, 3-sliding rod, 4Connecting rod, 5-crank, 6-guide sleeve, 7-shaft I, 8-gear Z119-Gear Z1210-gear Z2111-shaft II, 12-gear Z2213-shaft III, 14-safety coupling, 15-shaft IV (energy storage shaft, mounted on energy storage support), 16-gear Z3117-stored energy spring (coil spring), 18-escape wheel, 19-axis V, 20-gear Z3221-gear Z4122-flywheel, 23-one-way bearing, 24-gear Z3325-VI, 26-VII, 27-Z gear4228-friction rotor, 29-friction stator, 30-spacing adjustment device, 31-shaft VIII, 32-spring plate, 33-escapement rod, 34-shaft V bracket, 35-bearing 6000, 36-spring plate clamping groove, 37-pressing plate, 38-shaft VIII bracket (escapement bracket), 39-mass block (number 2), 40-bearing F694ZZ (number 4), 41-sliding rod bracket, 42-base, 43-fixed mounting bracket, 44-fixed mounting bracket supporting strip, 45, 46-shaft sleeve and 47-L bracket.
Detailed Description
Referring to fig. 1 a-8, a random environmental energy collection and stabilization release device for triboelectric nanogenerators, which can be generally divided into three functional modules, is now described as follows:
the module i is an energy harvesting and storage module comprising the numbered elements 1 to 17 of fig. 1 (including fig. 1a, 1b), the working process of which is described below: the up-and-down fluctuation of waves is transmitted to the sliding rod 3 by the floater 1, the up-and-down reciprocating linear motion of the sliding rod 3 is realized, the circular motion of the crank 5 is realized after the transmission of the connecting rod 4, the circular motion is transmitted to the shaft IV 15 (energy storage shaft) through the shaft I7 and the gear train (a first speed change mechanism comprising parts 8, 9, 10, 11, 12 and 13) and then through the safety coupling 14, and finally the energy storage is realized by the energy storage shaft driving and the compression energy storage spring 17. The safety coupling has the function that when the energy storage spring is compressed to the limit position, the torque exceeds the maximum torque transmitted by the safety coupling, the idle rotation of the front end shaft (the shaft III 13) can be realized, and the shaft IV of the energy storage spring is not moved. One end of an energy storage spring 17 is fixed on the shaft IV, and the other end is arranged on the gear Z3116 (energy storage gear), gear Z31The hollow sleeve is sleeved on a shaft IV which is arranged on a support through a one-way bearing (not marked in the figure), so that the purpose of realizingAnd (4) unidirectional rotation. The energy collecting and storing module is provided with an energy collecting mechanism which comprises a fixed mounting seat, a sliding rod is arranged on the fixed mounting seat along the vertical sliding fit, one end of the sliding rod is connected with a floater and used for collecting energy, the other end of the sliding rod is hinged with one end of a connecting rod, the other end of the connecting rod is hinged with a crank, and the crank is in power connection with the energy storage shaft through a first speed change mechanism.
The module II is an energy control release module, which comprises the numbered parts 18, 19, 20, 31, 32 and 33 in the figure 1, and the working process is expressed as follows: the escapement lever 33 oscillates back and forth (about the x-axis) under the control of the leaf spring 32, and the escape wheel 18 is driven by the gear Z 3220 are driven by a shaft V19 and rotate intermittently under the control of a rocking escapement lever 33, a gear Z32The gear Z is driven by the energy storage spring31And gear Z32A meshing drive, the energy release module slowly releases the energy stored in the energy storage spring 17 under the control of the swinging escapement, and the drive gear Z32Making intermittent rotation and the speed of energy release, i.e. gear Z32Is determined by the oscillation frequency of the oscillating escapement lever 33.
Module iii is an energy conversion module comprising the numbered parts 21 to 30 of fig. 1, the working process of which is described as follows: gear Z 3324 at gear Z32Is driven to rotate intermittently and then passes through a one-way bearing (arranged on a gear Z)32And a shaft VI between which a part 23) drives a shaft VI 25 in rotation, on which a flywheel 22 and a gear Z are mounted4121, under the action of the flywheel 22, the shaft VI will rotate at a constant speed, the rotating speed of which is determined by the moment of inertia of the flywheel 22 and finally passes through the gear Z42The shaft VII amplifies the uniform rotation and transmits the amplified uniform rotation to the friction rotor 28, relative rotation is realized between the friction rotor 28 and the friction stator 29, and the friction nano generator realizes conversion from mechanical energy to electric energy. The size of the gap between the friction stator 28 and the friction rotor 29 is adjusted by a spacing adjustment device 30. Gear Z3220. Gear Z3324. Gear Z4227 constitute a second speed change mechanism (speed increasing mechanism).
The device energy flow path is shown in figure 2.
The lever escapement designed by the device is composed of an escape wheel 18, a spring plate slot 36, a swinging escapement lever 33, a mass 39, a spring plate 32 and a pressing plate 37, as shown in fig. 3. The power of the escape wheel 18 is obtained by the stored energy spring through the gear of the part 20 and the shaft of the part 19 in fig. 3, a certain number of gear teeth are designed on the escape wheel, when the lower side of the gear teeth is contacted with the lower fork of the swinging escapement lever, the gear teeth are stopped moving under the action of the lower fork, and the swinging escapement lever swings positively in the y direction in the figure under the action of the spring piece 32, so that the lower fork is gradually separated from the escape wheel, the escape wheel starts to rotate, and the upper side surface of the escape wheel teeth is contacted with the upper fork of the swinging escapement lever 33 to push the swinging escapement lever to swing, namely, the energy is provided for the swinging escapement. The periodic action between the escape wheel and the oscillating escapement lever is shown in fig. 4. The oscillation frequency of the oscillating escapement lever is determined by the mass of the mass 39 and the stiffness of the spring plate 32. The 2 mass blocks are arranged at the upper end and the lower end of the swinging escapement lever, the spring leaf spring piece clamping groove 36 and the pressing plate 37 are arranged on the swinging escapement lever 33, and the swinging escapement lever 33 swings around the shaft 31. Compared with other various escapement mechanisms, the mechanism is simpler, more reliable and more efficient, is not influenced by gravity, and can be placed at any position.
The float sliding rod mechanism for collecting wave energy designed by the device can realize energy collection in two directions of up-down movement, solves the problem that the current energy collection mechanism only collects energy in one direction (namely only collects half energy in one movement period), changes single-stroke collection into double-stroke collection, and improves the energy utilization rate to 2 times of that of a similar device. The float slide lever mechanism is shown in fig. 5. The floater 1 is in a spherical shape, the floater is rigidly connected with the sliding rod 3, the sliding rod 3 slides up and down in the fixed installation seat 2, and the fixed installation seat 2 is rigidly installed on a bottom plate of the device through a support (the support and the bottom plate are not connected in the figure). The sliding rod 3 is connected with the connecting rod 4 through a pin, the pin is in clearance fit with the pin hole, the connecting rod 4 is also in pin connection with the crank 5, and the pin is in clearance fit with the pin hole. The crank 5 and the shaft I7 are in interference fit. The up-and-down movement of the floater 1 drives the shaft I7 to rotate in a single direction through the sliding rod 3, the connecting rod 4 and the crank 5 to drive the gear Z of the part 811And rotating to collect energy.
The generating module of the device consists of a friction rotor, a friction stator and a distance adjusting device, and the structure is shown in figure 6. The friction rotor comprises a turntable and an electrification metal film adhered on the turntable, wherein the bottom layer of the electrification metal film is Polyimide (PI), the upper layer of the electrification metal film is a metal coating with a certain pattern (shown in figure 7), and the material of the electrification metal film is copper. The friction stator is composed of a fixing plate, an electrode and a friction film, the structure is shown in figure 8, the fixing plate is an acrylic plate and is arranged on the spacing fine adjustment device; the electrode is a thin sheet of metal pattern (copper material) with a certain shape (as shown in fig. 8) sputtered on a Polyimide (PI) substrate; the friction film material is perfluoroethylene propylene copolymer (FEP).
The device can be used for collecting water flow energy and wind energy in application scenes except for wave energy collection, and the collection and conversion of the wind energy and the water flow energy can be realized by replacing a crank block mechanism consisting of parts 1, 2, 3, 4 and 5 in the device in FIG. 1 with a blade type rotating mechanism.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. A random environmental energy collection and stabilization release device for triboelectric nanogenerators, comprising:
the energy collecting and storing module comprises an energy collecting mechanism, an energy storing spring and an energy releasing gear, wherein the energy collecting mechanism is in power connection with the energy storing shaft through a first speed changing mechanism;
the energy control release module comprises an escape wheel and an escape lever which are matched with each other, the escape wheel is in power connection with the energy release gear through a gear which is coaxially connected, the escape lever is hinged to a mounting shaft which is horizontally arranged on an escape bracket, a spring piece is fixed on the mounting shaft, a clamping groove is formed in the escape lever, and the spring piece is in sliding fit in the clamping groove;
and the energy conversion module comprises a second speed change mechanism and a power generation mechanism, and the second speed change mechanism is respectively in power connection with the escape wheel and the power generation mechanism.
2. The random environmental energy collection and stable release device for triboelectric nanogenerators according to claim 1, wherein: the first speed change mechanism is a reduction gear transmission mechanism, an input gear of the first speed change mechanism is connected with the energy collecting mechanism, and an output gear of the first speed change mechanism is coaxially and fixedly connected with the energy storage shaft through a safety coupling.
3. The random environmental energy collection and stable release device for triboelectric nanogenerators according to claim 1, wherein: the spring piece is fixed on the shaft through the pressing plate and the bolt, and the clamping groove is provided with a fastening bolt for adjusting the compression spring piece.
4. The random environmental energy collection and stable release device for triboelectric nanogenerators according to claim 1, wherein: the two ends of the escapement lever are respectively provided with a mass block, and the mass of the mass block and the rigidity of the spring piece determine the swinging frequency of the escapement lever.
5. The random environmental energy collection and stable release device for triboelectric nanogenerators according to claim 1, wherein: the power generation mechanism comprises a friction rotor, a friction stator and a spacing adjusting device, wherein the friction rotor is in power connection with the escape wheel, and the spacing adjusting device is used for adjusting the friction force between the friction rotor and the friction stator.
6. The random environmental energy collection and stable release device for triboelectric nanogenerators according to claim 1, wherein: the second speed change mechanism is provided with a flywheel and is used for stably outputting electric energy.
7. The random environmental energy collection and stable release device for triboelectric nanogenerators according to claim 1, wherein: the energy collecting mechanism comprises a fixed mounting seat, a sliding rod is arranged on the fixed mounting seat in a vertical sliding fit mode, one end of the sliding rod is connected with a floater and used for collecting energy, the other end of the sliding rod is hinged to one end of a connecting rod, the other end of the connecting rod is hinged to a crank, and the crank is in power connection with the energy storage shaft through a first speed change mechanism.
8. The random environmental energy collection and stable release device for triboelectric nanogenerators according to claim 1, wherein: the floater is downward hemispherical, and the floater is rigidly connected with the sliding rod.
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| CN202011047722.4A CN112177869B (en) | 2020-09-29 | 2020-09-29 | Random environmental energy collecting and stable releasing device for friction nano generator |
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| CN202011047722.4A CN112177869B (en) | 2020-09-29 | 2020-09-29 | Random environmental energy collecting and stable releasing device for friction nano generator |
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| CN112177869B CN112177869B (en) | 2024-01-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931798A (en) * | 2021-10-18 | 2022-01-14 | 特斯联科技集团有限公司 | Swing power generation device |
| CN114658587A (en) * | 2022-03-21 | 2022-06-24 | 王万强 | Ocean water energy power generation device |
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