CN115347814A - Self-excited vibration type friction nanometer energy collector based on gravity induction - Google Patents

Self-excited vibration type friction nanometer energy collector based on gravity induction Download PDF

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Publication number
CN115347814A
CN115347814A CN202211015530.4A CN202211015530A CN115347814A CN 115347814 A CN115347814 A CN 115347814A CN 202211015530 A CN202211015530 A CN 202211015530A CN 115347814 A CN115347814 A CN 115347814A
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China
Prior art keywords
self
excited vibration
guide rail
vertical guide
sliding
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CN202211015530.4A
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Chinese (zh)
Inventor
谢燮
彭艳
李忠杰
谢少荣
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN202211015530.4A priority Critical patent/CN115347814A/en
Publication of CN115347814A publication Critical patent/CN115347814A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N1/00Electrostatic generators or motors using a solid moving electrostatic charge carrier
    • H02N1/04Friction generators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/32Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

The invention provides a gravity induction-based self-excited vibration type friction nanometer energy collector, which relates to the technical field of energy collection and power generation equipment and comprises a vertical guide rail, a sliding support assembly and a self-excited vibration assembly, wherein the self-excited vibration assembly and the sliding support assembly are arranged on the vertical guide rail in a sliding manner along the vertical direction, a first electrode plate is fixedly arranged on a part of structure capable of generating self-excited vibration on the self-excited vibration assembly, a second electrode plate is fixedly arranged on the sliding support assembly, the self-excited vibration assembly can generate self-excited vibration and drive the first electrode plate to vibrate up and down in the downward sliding process of the self-excited vibration assembly from the top end of the vertical guide rail, and the first electrode plate is repeatedly contacted with and separated from the second electrode plate in the vibration process.

Description

Self-excited vibration type friction nanometer energy collector based on gravity induction
Technical Field
The invention relates to the technical field of energy collection and power generation equipment, in particular to a self-excited vibration type friction nanometer energy collector based on gravity induction.
Background
The friction nanometer generating set converts various types of mechanical energy into electric energy through friction electrification, and the principle is as follows: when two different materials are in contact, the surfaces of the two different materials can generate positive and negative static charges due to the contact electrification effect, when the two materials are separated due to the mechanical force effect, the positive and negative charges generated by the contact electrification effect are also separated, the charge separation can correspondingly generate induced potential difference on the upper electrode and the lower electrode of the materials, and if a load is connected to the two electrodes or the two electrodes are in a short-circuit state, the induced potential difference can drive electrons to flow between the two electrodes through an external circuit. The friction nanometer power generation device has the advantages of simple manufacture, light weight, low cost, high conversion efficiency and the like. In recent years, friction nano power generation is widely applied to various fields such as energy collection, sensing, interaction and the like. The instantaneous energy conversion efficiency of friction nanometer electricity generation is high, the electricity generation material is nimble, stable and the energy collection wide range, but to how to convert low frequency mechanical energy into high frequency vibration among the prior art, utilizes the research that friction nanometer electricity generation principle realized high-efficient energy conversion very short of, consequently, urgently needs a device that can convert low frequency mechanical energy into high frequency vibration, utilizes the friction nanometer electricity generation principle to realize high-efficient energy conversion.
Disclosure of Invention
The invention aims to provide a gravity-induced self-excited vibration type friction nano energy collector, which solves the problems in the prior art, has the power generation effects of small impedance and large output, and has the advantages of simple manufacture, light weight, low cost and high conversion efficiency.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a gravity induction-based self-excited vibration type friction nano energy collector which comprises a vertical guide rail, a sliding support assembly and a self-excited vibration assembly, wherein the self-excited vibration assembly and the sliding support assembly are arranged on the vertical guide rail in a sliding manner along the vertical direction, a first electrode plate is fixedly arranged on a part of structure capable of generating self-excited vibration on the self-excited vibration assembly, a second electrode plate is fixedly arranged on the sliding support assembly and is opposite to the first electrode plate, the self-excited vibration assembly can generate self-excited vibration and drive the first electrode plate to vibrate up and down in the process of sliding downwards from the top end of the vertical guide rail, and the first electrode plate is repeatedly contacted with and separated from the second electrode plate in the vibration process.
Preferably, the structure of one end, far away from the vertical guide rail, of the self-excited vibration assembly is a resonance mass block, the bottom surface and the top surface of the resonance mass block are both fixedly provided with one first electrode plate, the sliding support assembly is fixedly provided with two second electrode plates, and the two second electrode plates are respectively located right above and below the resonance mass block.
Preferably, the self-excited vibration assembly comprises a spring vibration plate and the resonance mass block, the spring vibration plate is perpendicular to the vertical guide rail, a first sliding hole is formed in one end of the spring vibration plate, the other end of the spring vibration plate is fixedly connected with the resonance mass block, and the spring vibration plate is arranged on the vertical guide rail in a sliding mode through the first sliding hole.
Preferably, the sliding support component comprises a sliding component, an intermediate connecting piece and two contact support plates, the sliding component comprises an upper sliding sleeve and a lower sliding sleeve, the upper sliding sleeve and the lower sliding sleeve are arranged oppositely from top to bottom, one end of the spring vibrating piece is clamped between the upper sliding sleeve and the lower sliding sleeve, a second sliding hole with the same axis is formed between the upper sliding sleeve and the lower sliding sleeve, the sliding support component is connected to the vertical guide rail in a sliding mode through the second sliding hole, one end of the intermediate connecting piece is fixedly connected with the sliding component, the other end of the intermediate connecting piece is fixedly connected with the two contact support plates, the two contact support plates are located on the upper side and the lower side of the resonance mass block respectively, and the two second electrode plates are fixedly attached to the two contact support plates towards one side of the resonance mass block respectively.
Preferably, the resonant mass is fixed to the spring vibrating plate by bolts.
Preferably, the vertical guide rail is cylindrical, and the first sliding hole is in clearance fit with the vertical guide rail.
Preferably, the second sliding hole is in clearance fit with the vertical guide rail.
Preferably, still include infrabasal plate, top plate and connecting plate, the infrabasal plate with top plate sets up relatively from top to bottom, the both ends of connecting plate respectively with the infrabasal plate with top plate's border fixed connection with one side, vertical guide rail fixed set up in the infrabasal plate with between the top plate, just the both ends of vertical guide rail respectively with the infrabasal plate with top plate fixed connection.
Preferably, the first electrode plate and the second electrode plate are made of nylon and teflon materials respectively.
Preferably, the design distance between the upper contact support plate and the resonance mass is calculated by using the following formula:
A 1 =l*sin[θ+(mgb/2μK 1 )];
the design distance between the lower contact support plate and the resonant mass block is calculated by adopting the following formula:
A 2 =l*sin[-θ+(mgb/2μK 1 )];
in the formula, l is the length of the spring vibrating reed, b is the sum of the thicknesses of the upper sliding sleeve and the lower sliding sleeve, and K 1 The rigidity of the spring vibrating reed is represented by m, the sum of the masses of the sliding support assembly and the self-excited vibration assembly is represented by μ, the static friction factor between the upper sliding sleeve and the vertical guide rail and between the lower sliding sleeve and the vertical guide rail is represented by μ, and the maximum included angle between the inner walls of the upper sliding sleeve and the lower sliding sleeve and the vertical guide rail is represented by θ.
Compared with the prior art, the invention has the following technical effects:
the invention provides a gravity-induced self-excited vibration type friction nanometer energy collector, when external low-frequency vibration excites the energy collector, a sliding support component of the energy collector slides due to the change of friction force between the sliding support component and a vertical guide rail, a self-excited vibration component can generate self-excited vibration under the gravity induction of the device to drive a first electrode plate to vibrate up and down and repeatedly contact and separate with a second electrode plate, and the sliding support component and the self-excited vibration component are in a self-excited resonance state at the moment; the first electrode plate and the second electrode plate on the self-excited vibration component are made of different friction materials, and when the first electrode plate and the second electrode plate are in contact separation, induced electromotive force can be generated, so that induced voltage is generated, and conversion from gravity → mechanical energy → electric energy is realized; the contact support plate arranged on the energy collector blocks the stroke of the resonance mass block in the system resonance process so as to achieve the purpose of amplitude truncation, and further the energy collector generates instant high-frequency oscillation due to collision, and further the purposes of reducing the impedance of the device and increasing the instant output power are achieved. Therefore, the scheme provided by the invention achieves the power generation effect of small impedance and large output by amplitude truncation, realizes the frequency rise of low-frequency vibration by self-excited vibration induced by gravity, realizes the conversion and collection of electric energy by a contact separation type friction power generation mode, and has the advantages of simple manufacture, light weight, low cost and high conversion efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a gravity-induced self-excited vibration type friction nano energy collector provided by the invention;
FIG. 2 is a schematic view of the construction of a power generation substrate assembly according to the present invention;
FIG. 3 is a schematic view of the sliding support assembly of the present invention;
FIG. 4 is a schematic structural view of a self-excited vibration module according to the present invention;
fig. 5 is a simplified force diagram of the sliding support assembly and the self-excited vibration assembly during vibration.
In the figure: 1. a self-excited vibration type friction nanometer energy collector based on gravity induction; 2. a power generating base assembly; 3. a sliding support assembly; 4. a self-exciting vibration component; 5. a power generation base; 6. a vertical guide rail; 7. an upper sliding sleeve; 8. a lower sliding sleeve; 9. an intermediate connecting member; 10. contacting the support plate; 11. a second electrode sheet; 12. a spring vibrating reed; 13. a first electrode sheet; 14. a resonating mass.
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.
The invention aims to provide a gravity-induced self-excited vibration type friction nano energy collector, which is used for solving the problems in the prior art, can improve the vibration frequency of the collector by self-excited vibration generated by gravity induction, further realizes energy conversion by using a friction nano power generation principle, and realizes high energy output by an amplitude truncation mode.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
The invention provides a gravity-induced self-excited vibration type friction nano energy collector 1, which comprises a vertical guide rail 6, a sliding support component 3 and a self-excited vibration component 4, wherein the self-excited vibration component 4 and the sliding support component 3 are arranged on the vertical guide rail 6 in a sliding manner along the vertical direction, a first electrode plate 13 is fixedly arranged on a part of structure capable of generating self-excited vibration on the self-excited vibration component 4, a second electrode plate 11 is fixedly arranged on the sliding support component 3, the second electrode plate 11 is arranged opposite to the first electrode plate 13, the self-excited vibration component 4 can generate self-excited vibration and drive the first electrode plate 13 to vibrate up and down in the process that the self-excited vibration component 4 slides downwards from the top end of the vertical guide rail 6, and the first electrode plate 13 is repeatedly contacted with and separated from the second electrode plate 11 in the vibration process.
When external low-frequency vibration excites the energy collector, the sliding support component 3 of the energy collector slides due to the change of the friction force between the sliding support component and the vertical guide rail 6, the self-excited vibration component 4 can generate self-excited vibration under the induction of the gravity of the device to drive the first electrode plate 13 to vibrate up and down and repeatedly contact and separate with the second electrode plate 11, and the sliding support component 3 and the self-excited vibration component 4 are in a self-excited resonance state at the moment; the first electrode plate 13 and the second electrode plate 11 on the self-excited vibration component 4 are made of different friction materials, and when the first electrode plate 13 and the second electrode plate 11 are in contact separation, induced electromotive force can be generated, so that induced voltage is generated, and conversion from gravity → mechanical energy → electric energy is realized; the contact support plate 10 of the energy collector blocks the stroke of the resonant mass block 14 in the system resonance process so as to achieve the purpose of amplitude truncation, and further the energy collector generates instant high-frequency oscillation due to collision, thereby achieving the purposes of reducing the impedance of the device and increasing the instant output power. Therefore, the scheme provided by the invention achieves the power generation effect of small impedance and large output by amplitude truncation, realizes the frequency rise of low-frequency vibration by self-excited vibration induced by gravity, realizes the conversion and collection of electric energy by a contact separation type friction power generation mode, and has the advantages of simple manufacture, light weight, low cost and high conversion efficiency.
In a specific embodiment, the end of the self-excited vibration component 4 away from the vertical guide rail 6 is configured as a resonance mass block 14, a first electrode plate 13 is fixedly disposed on both the bottom surface and the top surface of the resonance mass block 14, two second electrode plates 11 are fixedly disposed on the sliding support component 3, the two second electrode plates 11 are respectively located right above and right below the resonance mass block 14, the resonance mass block 14 contacts the second electrode plate 11 below the first electrode plate 13 when driving the first electrode plate 13 to move downward, and the resonance mass block 14 contacts the second electrode plate 11 above the first electrode plate 13 when driving the first electrode plate 13 to move upward.
In a specific embodiment, the self-excited vibration assembly 4 includes a spring vibration plate 12 and a resonant mass 14, the spring vibration plate 12 is disposed perpendicular to the vertical rail 6, one end of the spring vibration plate 12 is opened with a first sliding hole, and the other end is fixedly connected to the resonant mass 14, the spring vibration plate 12 is slidably disposed on the vertical rail 6 through the first sliding hole, in another preferred embodiment, the vertical rail 6 is cylindrical, and in order to improve the effect of self-excited vibration, the first sliding hole and the vertical rail 6 are disposed in a clearance fit.
In a specific embodiment, the sliding support component 3 includes a sliding component, an intermediate connecting member 9 and two contact support plates 10, the elasticity of the spring vibration plate 12 is different from that of the intermediate connecting member 9, the sliding component includes an upper sliding sleeve 7 and a lower sliding sleeve 8, the upper sliding sleeve 7 and the lower sliding sleeve 8 are arranged oppositely, one end of the spring vibration plate 12 is clamped between the upper sliding sleeve 7 and the lower sliding sleeve 8, a second sliding hole with a same axis is arranged between the upper sliding sleeve 7 and the lower sliding sleeve 8, the sliding support component 3 is connected to the vertical guide rail 6 through the second sliding hole in a sliding manner, one end of the intermediate connecting member 9 is fixedly connected to the sliding component, the other end of the intermediate connecting member is fixedly connected to the two contact support plates 10, the two contact support plates 10 are respectively located at the upper and lower sides of the resonance mass block 14, the two second electrode plates 11 are respectively fixedly attached to one sides of the two contact support plates 10 facing the resonance mass block 14, the two contact support plates 10 play a role of supporting the second electrode plate 11 and hindering the resonance mass 14 from vibrating substantially, in a scheme provided in this embodiment, the self-excited vibration component 4 is arranged between the sliding support component 3 and driven by the vertical guide rail 6 to synchronously slide the two electrode plates 11 and always located at two sides of the first electrode plates 13.
In a specific embodiment, the resonant mass 14 is fixed to the spring membrane 12 by means of bolts, the resonant mass 14 preferably having a square configuration.
In a specific embodiment, the second sliding hole is in clearance fit with the vertical guide rail 6, and the fit clearance between the second sliding hole and the vertical guide rail 6 is the same as the fit clearance between the first sliding hole and the vertical guide rail 6.
In a specific embodiment, the gravity-induced self-excited vibration type friction nano energy collector 1 further comprises a lower substrate, an upper top plate and a connecting plate, wherein the lower substrate and the upper top plate are arranged oppositely from top to bottom, two ends of the connecting plate are fixedly connected with the edges of the lower substrate and the upper top plate at the same side respectively, a vertical guide rail 6 is fixedly arranged between the lower substrate and the upper top plate, two ends of the vertical guide rail 6 are fixedly connected with the lower substrate and the upper top plate respectively, the bottom end of the vertical guide rail 6 is in threaded connection with the lower substrate, and the top end of the vertical guide rail 6 is fixed on the upper top plate through a nut.
The lower substrate, the upper top plate and the connecting plate jointly form a power generation base 5, and the power generation base 5 and the vertical guide rail 6 jointly form a power generation base assembly 2.
In one embodiment, the first electrode plate 13 and the second electrode plate 11 are made of nylon and teflon materials, respectively.
In one embodiment, the design spacing between the upper contact support plate 10 and the resonator mass 14 is calculated using the following equation:
A 1 =l*sin[θ+(mgb/2μK 1 )]
the design spacing between the lower contact support plate 10 and the resonator mass 14 is calculated using the following equation:
A 2 =l*sin[-θ+(mgb/2μK 1 )]
in the formula, l is the length of the spring vibrating piece 12, b is the sum of the thicknesses of the upper sliding sleeve 7 and the lower sliding sleeve 8, and K 1 M is the sum of the masses of the sliding support assembly 3 and the self-excited vibration assembly 4, μ is the static friction factor between the upper sliding sleeve 7 and the lower sliding sleeve 8 and the vertical guide rail 6, and θ is the maximum included angle between the upper sliding sleeve 7 and the lower sliding sleeve 8 relative to the vertical guide rail 6.
The device provided by the invention is used in the following general process:
firstly, the sliding support component 3 and the self-excited vibration component 4 are lifted to the top end of the vertical guide rail 6 manually or in other modes, the device is placed in a vibration environment (for example, the resonance mass block 14 is driven to vibrate manually), the device is excited by vibration in an external environment, the sliding support component 3 can start sliding to drive the self-excited vibration component 4 to generate self-excited vibration under the induction of gravity, the device can be in a resonance state, and the sliding support component 3 can drive the self-excited vibration component 4 to slide downwards until the bottom end of the vertical guide rail 6 is reached. Through the self-excited vibration of the self-excited vibration component 4, the first electrode plate 13 can obtain the high-frequency vibration of the resonance mass block 14 at the same time, and the first electrode plate 13 and the second electrode plate 11 are repeatedly contacted and separated during vibration, so that induced electromotive force is generated between the two materials.
The invention takes gravity as the energy source for maintaining the motion of the energy collector, the self-excited vibration is excited by coulomb friction, the self-excited vibration generated by the spring vibrating reed 12 is more beneficial to obtaining higher vibration frequency, the invention fixes the Teflon on the contact supporting plate 10, fixes the nylon on the resonance mass block 14, ensures that two materials can carry out high-frequency contact separation in the self-excited vibration process and generate induced electromotive force, and the contact supporting plate 10 plays a role of cutting off the resonance mass block 14 so as to improve the instant output power and reduce the impedance of the device. The invention can be additionally provided with an energy storage device to collect the generated energy according to the use requirement, and has the advantages of high frequency, high conversion efficiency, simple structure and easy realization.
In the solution provided by the present invention, the sliding support assembly 3 and the spring vibrating reed 12 have a large relative displacement during the resonance process due to the difference in stiffness, so that the resonance mass 14 and the contact support plate 10 collide with each other.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (9)

1. A self-excited vibration type friction nanometer energy collector based on gravity induction is characterized in that: including vertical guide rail, slip supporting component and self-excited vibration subassembly, the self-excited vibration subassembly with the slip supporting component all along vertical direction can set up with sliding on the vertical guide rail, the fixed first electrode piece that is provided with in the part structure that can produce self-excited vibration on the self-excited vibration subassembly, the fixed second electrode piece that is provided with on the slip supporting component, the second electrode piece with first electrode piece sets up relatively, the self-excited vibration subassembly certainly vertical guide rail top gliding in-process down, the self-excited vibration subassembly can produce self-excited vibration and drive first electrode piece vibrates from top to bottom, first electrode piece in the vibration in-process with second electrode piece contact repeatedly and separation.
2. The gravity-induced self-excited vibration friction nanoenergy harvester according to claim 1, wherein: the structure of one end, far away from the vertical guide rail, of the self-excited vibration assembly is a resonance mass block, the bottom surface and the top surface of the resonance mass block are both fixedly provided with one first electrode plate, the sliding support assembly is fixedly provided with two second electrode plates, and the two second electrode plates are respectively positioned right above and below the resonance mass block.
3. The gravity-induced self-excited vibration friction nanoenergy harvester according to claim 2, wherein: the self-excited vibration component comprises a spring vibrating piece and a resonance mass block, the spring vibrating piece is perpendicular to the vertical guide rail, a first sliding hole is formed in one end of the spring vibrating piece, the other end of the spring vibrating piece is fixedly connected with the resonance mass block, and the spring vibrating piece is arranged on the vertical guide rail in a sliding mode through the first sliding hole.
4. The gravity-induced self-excited vibration-based friction nanoenergy harvester of claim 3, wherein: the sliding support assembly comprises a sliding assembly, an intermediate connecting piece and two contact support plates, the sliding assembly comprises an upper sliding sleeve and a lower sliding sleeve, the upper sliding sleeve and the lower sliding sleeve are arranged oppositely from top to bottom, one end of a spring vibrating piece is clamped between the upper sliding sleeve and the lower sliding sleeve, a second sliding hole with the same axis is formed between the upper sliding sleeve and the lower sliding sleeve, the sliding support assembly is connected onto the vertical guide rail in a sliding mode through the second sliding hole, one end of the intermediate connecting piece is fixedly connected with the sliding assembly, the other end of the intermediate connecting piece is fixedly connected with the two contact support plates, the two contact support plates are located on the upper side and the lower side of the resonance mass block respectively, and the two second electrode plates are fixedly attached to the two contact support plates towards one side of the resonance mass block respectively.
5. The gravity-induced self-excited vibration type friction nanoenergy collector as claimed in claim 3, wherein: the resonance mass block is fixed on the spring vibrating piece through a bolt.
6. The gravity-induced self-excited vibration type friction nanoenergy collector as claimed in claim 4, wherein: the vertical guide rail is cylindrical, the first sliding hole is in clearance fit with the vertical guide rail, and the second sliding hole is in clearance fit with the vertical guide rail.
7. The gravity-induced self-excited vibration type friction nanoenergy collector as claimed in claim 4, wherein: still include infrabasal plate, last roof and connecting plate, the infrabasal plate with go up the roof and set up relatively from top to bottom, the both ends of connecting plate respectively with the infrabasal plate with go up the roof along fixed connection with one side, vertical guide rail fixed set up in the infrabasal plate with go up between the roof, just the both ends of vertical guide rail respectively with the infrabasal plate with go up roof fixed connection.
8. The gravity-induced self-excited vibration type friction nanoenergy collector as claimed in claim 1, wherein: the first electrode plate and the second electrode plate are respectively made of nylon and teflon materials.
9. The gravity-induced self-excited vibration-based friction nanoenergy harvester of claim 4, wherein: the design distance between the upper contact support plate and the resonance mass block is calculated by adopting the following formula:
A 1 =l*sin[θ+(mgb/2μK 1 )];
the design distance between the lower contact support plate and the resonant mass block is calculated by adopting the following formula:
A 2 =l*sin[-θ+(mgb/2μK 1 )];
in the formula, l is the length of the spring vibrating reed, b is the sum of the thicknesses of the upper sliding sleeve and the lower sliding sleeve, and K 1 The spring vibrating plate is characterized in that m is the sum of the mass of the sliding support assembly and the self-excited vibration assembly, mu is the static friction factor between the upper sliding sleeve and the vertical guide rail and between the lower sliding sleeve and the vertical guide rail, and theta is the maximum included angle between the inner walls of the upper sliding sleeve and the lower sliding sleeve and the vertical guide rail.
CN202211015530.4A 2022-08-24 2022-08-24 Self-excited vibration type friction nanometer energy collector based on gravity induction Pending CN115347814A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1411341A1 (en) * 2001-06-19 2004-04-21 Japan Science and Technology Corporation Cantilever array, method of manufacturing the array, and scanning probe microscope, sliding device of guide and rotating mechanism, sensor, homodyne laser interferometer, and laser doppler interferometer with specimen light excitation function, using the array, and cantilever
CN113949306A (en) * 2021-10-28 2022-01-18 中南大学 Environmental vibration energy collection system and high-speed train operation environment monitoring system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1411341A1 (en) * 2001-06-19 2004-04-21 Japan Science and Technology Corporation Cantilever array, method of manufacturing the array, and scanning probe microscope, sliding device of guide and rotating mechanism, sensor, homodyne laser interferometer, and laser doppler interferometer with specimen light excitation function, using the array, and cantilever
CN113949306A (en) * 2021-10-28 2022-01-18 中南大学 Environmental vibration energy collection system and high-speed train operation environment monitoring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
丁千;翟红梅;: "机械系统摩擦动力学研究进展", 力学进展, no. 01, 25 January 2013 (2013-01-25) *

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