CN114268239B - Piston connecting rod type friction nano generator based on 3D printing - Google Patents
Piston connecting rod type friction nano generator based on 3D printing Download PDFInfo
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- CN114268239B CN114268239B CN202111612201.3A CN202111612201A CN114268239B CN 114268239 B CN114268239 B CN 114268239B CN 202111612201 A CN202111612201 A CN 202111612201A CN 114268239 B CN114268239 B CN 114268239B
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- 238000010146 3D printing Methods 0.000 title claims abstract description 22
- 238000005056 compaction Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 6
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- 230000007246 mechanism Effects 0.000 claims description 21
- 230000033001 locomotion Effects 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 12
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- 230000009471 action Effects 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
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- 238000007906 compression Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
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- 230000001360 synchronised effect Effects 0.000 claims description 5
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- 230000010287 polarization Effects 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a piston connecting rod type friction nano generator based on 3D printing, and belongs to the technical field of generators. The technical scheme of the invention is as follows: the elastic wave plate base is matched with the compaction hinged support to realize extrusion between adjacent plates of the elastic wave plate base, and two sides of the elastic wave plate base are respectively provided with a first friction unit and a second friction unit with opposite friction charges. The piston connecting rod type friction nano generator based on 3D printing has the advantages of large contact area, multiple layers, high electric energy conversion efficiency, larger output power, capability of collecting mechanical energy in natural environment, conversion into electric energy and the like.
Description
Technical Field
The invention belongs to the technical field of friction nano generators, and particularly relates to a piston connecting rod type friction nano generator based on 3D printing.
Background
With the rapid development of the internet of things, the energy requirements of portable electronic products, sensor networks and the like are a troublesome problem, and the sustainable development of the human society requires renewable distributed energy sources. Traditional power supply mode needs laborious manual operation to change the waste battery, and the waste battery can cause pollution to the environment moreover. Thus, the need for sustainable, renewable and environmentally friendly energy is becoming more and more important, thus allowing for the harvesting of irregular wind energy from the environment. Triboelectric effect is ubiquitous in our living environment, wang Zhonglin and triboelectric nano generators (TENGs) developed by teams thereof for mechanical energy collection and self-powered sensing are one of the best choices of new energy, and the TENGs can convert irregularly distributed mechanical energy into electric energy by utilizing the coupling effect of contact electrification and electrostatic induction, and have the advantages of low cost, simple structure, light weight, high efficiency, various material choices and the like.
Although friction nano-generators have made great progress in basic theory and technical application, further optimization and promotion are required in terms of energy conversion and stability, and firstly, the output current of most friction nano-generators is smaller, so that in order to promote the output performance, changing the contact mode and increasing the contact area are effective means. Secondly, the disc structure adopted by traditional wind energy collection leads to serious material abrasion in the operation process, so that the service life of TENG is shortened, but the frequency stability of the non-disc structure is poorer, and therefore, reasonable structure conversion design is the key for solving the problem. In addition, in order to reduce the manufacturing cost of TENG, the friction nano generator is manufactured by adopting a 3D printing technology, so that great convenience is brought to the design of the structure, and the friction nano generator has higher controllability.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a piston connecting rod type friction nano generator based on 3D printing, which adopts an elastic wave plate extrusion structure, reasonably utilizes space, bears more friction units and further increases contact area, and effectively solves the problems of low output performance, unstable output, difficult control of output characteristics and the like of the conventional friction nano generator; the crank rocker mechanism is used for converting the kinetic energy of the rotating mode into the kinetic energy of the contact separation mode, so that the problem of abrasion of devices is solved while the frequency stability is met, and the device has the characteristics of controllability, safety, economy, high efficiency and the like.
In order to achieve the technical aim, the invention adopts the following technical scheme that the piston connecting rod type friction nano generator based on 3D printing is characterized by comprising a wind power fan blade mechanism and a friction power generation mechanism which are connected and driven through a crank rocker mechanism, wherein an upper end cover and a lower end cover of the friction power generation mechanism are tightly fixed at two ends of a shell through bolt and screw connecting pieces, a plurality of fixed sliding rails are uniformly distributed on the inner wall of the shell along the circumferential direction, one end of an elastic wave plate substrate is arranged on the fixed sliding rails, the other end of the elastic wave plate substrate is in mutual abutting fit with a compaction hinged support, an upper movable rod and a lower movable rod are hinged on the compaction hinged support through a rotating shaft, the other end of the upper movable rod is hinged and fixed on a movable block, the other end of the lower movable rod is hinged and fixed on a fixed block, the fixed block is fixed at the lower part of a supporting rod, the bottom end of the supporting rod is fixed on the inner wall of the lower end cover, the movable block is sleeved on the upper part of the supporting rod in a sliding way, the upper part of the movable block is hinged with one end of a connecting rod penetrating through the upper end cover through a pin shaft, the other end of the connecting rod is fixed at one end of a crank, the other end of the crank is connected with an output shaft of a fan for transmission, the fan is arranged on the upper end cover through a fixed seat, the elastic corrugated plate substrate is matched with the compaction hinged seat to enable the elastic corrugated plate substrate to be extruded, the two sides of the elastic corrugated plate substrate are respectively provided with a first friction unit and a second friction unit with opposite friction charges, the first friction unit comprises a back electrode adhered on the elastic corrugated plate substrate and a first friction layer adhered on the back electrode, the second friction unit comprises a back electrode adhered on the elastic corrugated plate substrate and a second friction layer adhered on the back electrode, wind energy in the surrounding environment can be collected under the action of wind blades or can be converted into mechanical energy of circular motion, and a crank rocker mechanism for providing an extrusion power source for the friction nano generator drives the compaction hinged support to extrude the elastic wave-folding plate substrate to move, the circular motion is converted into regular elastic wave-folding substrate contact separation motion, synchronous contact separation of the first friction unit and the second friction unit is realized, the first friction unit and the second friction unit are contacted and rubbed to generate electricity, the contact surfaces of the first friction unit and the second friction unit are respectively provided with surface charges with opposite signs, when the two contact surfaces are separated under the action of elasticity, an induction potential difference is formed between the two electrodes, the two electrodes are connected through a load, electrons flow from one electrode to the other electrode through the load, so that the potential between the first friction unit and the second friction unit which are contacted and separated with each other periodically changes, and the electrons are driven to flow to an external circuit to generate alternating current.
Further limited, the material of the first friction layer is aluminum, copper or copper-aluminum alloy with any proportion, the thickness of the first friction layer is 50 mu m-1mm, the material of the second friction layer is polytetrafluoroethylene or nylon, and the thickness of the second friction layer is 50 mu m-1mm.
Further defined, the second friction layer is subjected to a high voltage polarization treatment to increase the charge density of the second friction layer surface.
Further defined, the back electrodes in the first friction unit and the second friction unit are made of gold, silver, platinum, iron, copper or aluminum or alloy of at least two materials with good conductivity, and when the back electrodes in the first friction unit are made of the metal or alloy, the back electrodes are used as the first friction layer.
Further limiting, selecting an elastic corrugated board substrate model manufactured by using a 3D printing technology as a friction substrate, wherein the used material is a PLA material with hard strength, and the size of the elastic corrugated board friction substrate is 80mm multiplied by 80mm; a crank rocker mechanism driven by wind power is manufactured based on a 3D printing technology to drive a movable upper movable rod and a movable lower movable rod to drive a friction unit to move, the friction unit is driven to periodically contact and separate, and the upper movable rod and the lower movable rod are made of PLA materials.
According to the 3D printing-based piston connecting rod type friction nano generator, firstly, under the wind power action under any frequency condition, the first friction layer and the second friction layer which are correspondingly arranged can synchronously contact and separate with each other through the crank connecting rod mechanism, a large amount of friction static charges (negative charges) are generated on the friction layers, and equal amounts of opposite charges are generated on the electrode plates. The synchronous contact separation of the first friction layer and the second friction layer is realized, the first friction layer and the second friction layer are contacted, rubbed and electrified, the contact surfaces of the first friction layer and the second friction layer are respectively provided with surface charges with opposite signs, when the two contact surfaces are separated under the action of elastic force, an induced potential difference is formed between the two electrodes, the two electrodes are connected through a load, electrons can flow from one electrode to the other electrode through the load, so that the potential between the first friction layer and the second friction layer which are mutually contacted and separated is periodically changed, and the electrons are driven to flow to an external circuit to generate alternating current. The first friction layers are subjected to high-voltage 5kV charge pre-injection polarization treatment through high-voltage equipment, so that the charge density of unit area is improved, and the current output is further improved.
The beneficial effects of the invention are as follows: the piston connecting rod type friction nano generator has the advantages of simple structure, high conversion efficiency, high output power, capability of adjusting and controlling output voltage and current to a certain extent, and the like, can effectively collect wind energy and water flow potential energy in other energy capable of converting kinetic energy into circular motion, and has wide application range.
The multi-contact-layer swing type friction nano generator provided by the invention has the advantages that:
(1) The 3D printed piston connecting rod type friction nano generator has the advantages of ingenious structure, low cost, durability, high output voltage and the like, meanwhile, the unique crank connecting rod structure is different from simple rotation or contact separation, stable frequency matching contact separation can be effectively utilized, the output current and the output stability of the friction nano generator are greatly improved, the 3D printed multilayer extrusion type friction nano generator effectively utilizes space in structural design, and the space utilization rate of the friction nano generator is improved.
(2) The first friction layer polymer is subjected to charge injection pretreatment by high-voltage equipment, the advantage of the method is that the surface charge density of the polymer is greatly improved, and compared with a method for carrying out micro-nano structure treatment on the friction layer, the method can obtain higher output performance, reduces the manufacturing cost and is beneficial to popularization and application.
(3) The piston connecting rod type friction nano generator power source adopts circular motion conversion and combines the up-and-down movement of the crank rocker mechanism, so that the friction layers are extruded and separated, various forms of mechanical energy can be collected, and the application range of the friction nano generator is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a 3D printing-based piston rod type friction nano generator in an embodiment;
fig. 2 is a schematic diagram of an assembly structure of a 3D printing-based piston rod type friction nano generator in an embodiment;
fig. 3 is a schematic diagram of an internal structure of a housing of a 3D printing-based piston-rod type friction nano generator in an embodiment;
FIG. 4 is a schematic diagram of a 3D printed piston rod friction nano generator based short circuit current in an embodiment;
fig. 5 is a voltage waveform profile of a 3D printed piston rod-based friction nano-generator in an embodiment.
In the figure: the device comprises a 1-crank, a 2-connecting rod, a 3-pin shaft, a 4-upper end cover, a 5-bolt-screw connecting piece, a 6-first friction layer, a 7-second friction layer, an 8-upper movable rod, a 9-fan, a 10-fixed seat, an 11-elastic wave plate substrate, a 12-fixed sliding rail, a 13-shell, a 14-movable block, a 15-supporting rod, a 16-fixed block, a 17-lower end cover and an 18-compression hinged support.
Detailed Description
The above-described matters of the present invention will be described in further detail by way of examples, but it should not be construed that the scope of the above-described subject matter of the present invention is limited to the following examples, and all techniques realized based on the above-described matters of the present invention are within the scope of the present invention.
As shown in fig. 1-3, a piston connecting rod type friction nano generator based on 3D printing comprises a wind blade mechanism and a friction power generation mechanism which are connected and driven by a crank rocker mechanism, wherein an upper end cover 4 and a lower end cover 17 in the friction power generation mechanism are tightly fixed at two ends of a shell 13 by a bolt and screw connecting piece 5, a plurality of fixed slide rails 12 are uniformly distributed on the inner wall of the shell 13 along the circumferential direction, one end of an elastic wave plate substrate 11 is arranged on the fixed slide rails 12, the other end of the elastic wave plate substrate 11 is in mutual interference fit with a compression hinged support 18, an upper movable rod 8 and a lower movable rod are hinged on the compression hinged support 18 by a rotating shaft, the other end of the upper movable rod 8 is hinged and fixed on a movable block 14, the other end of the lower movable rod is hinged and fixed on a fixed block 16, the fixed block 16 is fixed at the lower part of a supporting rod 15, the bottom end of the supporting rod 15 is fixed on the inner wall of the lower end cover 17, the movable block 14 is slidably sleeved on the upper part of the supporting rod 15, the upper part of the movable block 14 is hinged with one end of a connecting rod 2 penetrating through the upper end cover 4 through a pin shaft 3, the other end of the connecting rod 2 is fixed at one end of a crank 1, the other end of the crank 1 is connected with an output shaft of a fan 9 for transmission, the fan 9 is arranged on the upper end cover 4 through a fixing seat 10, the elastic corrugated plate substrate 11 is matched with a compression hinged support 18 to enable the elastic corrugated plate substrate 11 to be extruded, two sides of the elastic corrugated plate substrate 11 are respectively provided with a first friction unit and a second friction unit with opposite friction charges, the first friction unit comprises a back electrode adhered on the elastic corrugated plate substrate 11 and a first friction layer 6 adhered on the back electrode, the second friction unit comprises a back electrode adhered on the elastic corrugated plate substrate 11 and a second friction layer 7 adhered on the back electrode, wind energy in the surrounding environment can be collected under the action of wind blades or can be converted into mechanical energy of circular motion, then a crank rocker mechanism for providing a squeezing power source for a friction nano generator drives a compaction hinged support to squeeze an elastic corrugated board substrate to move, the circular motion is converted into regular elastic corrugated board substrate contact separation motion, synchronous contact separation of a first friction unit and a second friction unit is achieved, the first friction unit and the second friction unit are contacted and rubbed to generate electricity, contact surfaces of the first friction unit and the second friction unit respectively carry surface charges with opposite signs, when the two contact surfaces are separated under the action of elasticity, an induction potential difference is formed between the two electrodes, the two electrodes are connected through a load, electrons flow from one electrode to the other electrode through the load, so that potential between the first friction unit and the second friction unit which are contacted and separated with each other periodically changes, and the electrons are driven to flow to an external circuit to generate alternating current.
According to the piston connecting rod type friction nano generator based on 3D printing, wind energy in the surrounding environment is collected under the action of wind blades or can be converted into circular motion mechanical energy, the crank rocker mechanism converts the wind energy into circular motion mechanical energy into extrusion motion mechanical energy, synchronous contact separation of the first friction layer and the second friction layer is achieved, friction static charges are generated, and the charges of the two friction layers are equal in opposite charges. According to the invention, the first friction layer and the second friction layer can be simultaneously contacted or separated, and the second friction layer is subjected to charge pre-injection treatment, so that the piston connecting rod type friction nano generator has higher and stable output characteristics and is superior to other similar friction nano generators in output performance.
In this embodiment, the first friction layer is made of aluminum, copper or copper-aluminum alloy with any proportion, the thickness of the first friction layer is 50 μm-1mm, the second friction layer is made of polytetrafluoroethylene or nylon, and the thickness of the second friction layer is 50 μm-1mm; the second friction layer is subjected to high-voltage polarization treatment to improve the charge density of the surface of the second friction layer.
In this embodiment, the back electrodes in the first friction unit and the second friction unit are both made of gold, silver, platinum, iron, copper or an alloy of at least two materials with good conductivity, and when the back electrode in the first friction unit is made of the above metal or alloy, the back electrode is used as the first friction layer at the same time. The friction layer of the 3D printed piston connecting rod type friction nano generator is variable in material and size, the size of the friction conducting layer can be large or small, and the number of the friction conducting layers can be increased or decreased appropriately.
The working principle of the piston connecting rod type friction nano generator in the embodiment is as follows: firstly, under the action of external force of circular motion under any frequency condition, the movable block moves up and down through the crank rocker mechanism, the upper movable rod and the lower movable rod are driven to be extruded to the periphery, the opposite first friction layer and the second friction layer can be contacted and separated with each other at the same time, a large amount of friction static charges (negative charges) are generated on the friction layers, and equal amount of opposite charges are generated on the electrode plates.
When the two electrode plates of the first friction unit and the second friction unit are directly connected by a wire, namely under a short circuit condition, when the charged friction layers are contacted or separated, electric charges flow to form current. When the two metal electrodes of the first friction unit and the second friction unit are not connected, namely under an open circuit condition, the electrode plates of the two friction layers are different in electric potential at a certain moment, and potential difference is formed. When a load is connected between the two electrodes, the compressive contact separation motion causes charge to constantly reciprocate between the two electrodes through the load, thereby powering the load.
A preferred scheme for manufacturing the multi-contact layer oscillating friction nano-generator according to the present embodiment is given below, but the manufacturing of the multi-contact layer oscillating friction nano-generator is not limited thereto.
In the preferred scheme: selecting a Z-shaped folding plate manufactured by using an additive manufacturing technology based on 3D printing as a substrate, wherein the array substrate is 80mm multiplied by 80mm in size; the friction layer of the second friction unit is a polytetrafluoroethylene film, the friction layer of the first friction unit is Cu, the first friction layer and the electrode plates are both made of metal, the electrode plates can be directly used as friction layers, the size of the friction layers is consistent with that of the conductive layers, and the coverage degree is 100%.
According to the description of the working principle of the multi-contact layer swing type friction nano generator, the number of friction units of the multi-contact layer swing type friction nano generator manufactured according to the preferred scheme is 32, and the friction layers of the 32 first friction units are arranged in an array type Z-shaped substrate in a folding manner; and the electrode plates in the same friction units are connected in parallel by leads. When the fan blade rotates, if the maximum short-circuit current and the open-circuit voltage of the piston connecting rod type friction nano generator based on 3D printing are respectively 1.1mA and +500V, and the current density reaches 183mA/m 2 . When the piston connecting rod type friction nano generator works, 500 LED lamps can be driven to emit light at the same time.
Therefore, the piston connecting rod type friction nano generator based on 3D printing has the advantages of simple structure, low cost, durability, high output voltage, high output current, stable output performance and the like, and meanwhile, the unique crank connecting rod type elastic wave folding plate structure enables the number of friction layers of the friction generator to be conveniently changed, and the output performance is adjusted. According to the 3D printing piston connecting rod type friction nano generator, two friction units are always contacted or separated at the same time, so that the movement rate is improved. In addition, the piston connecting rod type friction nano generator has low requirement on vibration frequency, and can convert energy of low-frequency vibration in nature into electric energy.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A piston connecting rod type friction nano generator based on 3D printing is characterized by comprising a wind power fan blade mechanism and a friction power generation mechanism which are connected and driven through a crank rocker mechanism, wherein an upper end cover and a lower end cover in the friction power generation mechanism are tightly fixed at two ends of a shell through bolt and screw connectors, a plurality of fixed sliding rails are uniformly distributed on the inner wall of the shell along the circumferential direction, one end of an elastic wave plate substrate is arranged on the fixed sliding rails, the other end of the elastic wave plate substrate is in mutual abutting fit with a compaction hinged support, an upper movable rod and a lower movable rod are hinged on the compaction hinged support through a rotating shaft, the other end of the upper movable rod is hinged and fixed on a movable block, the other end of the lower movable rod is hinged and fixed on a fixed block, the fixed block is fixed at the lower part of a supporting rod, the bottom end of the supporting rod is fixed on the inner wall of the lower end cover, a movable block is sleeved on the upper part of the supporting rod in a sliding manner, the upper part of the movable block is hinged with one end of a connecting rod penetrating through the upper end cover through a pin shaft, the other end of the connecting rod is fixed at one end of a crank, the other end of the crank is connected with an output shaft of a fan for transmission, the fan is arranged on the upper end cover through a fixed seat, an elastic corrugated plate substrate is matched with a compression hinged seat to enable the elastic corrugated plate substrate to be extruded, two sides of the elastic corrugated plate substrate are respectively provided with a first friction unit and a second friction unit with opposite friction charges, the first friction unit comprises a back electrode adhered on the elastic corrugated plate substrate and a first friction layer adhered on the back electrode, the second friction unit comprises a back electrode adhered on the elastic corrugated plate substrate and a second friction layer adhered on the back electrode, wind energy in surrounding environment can be collected under the action of wind blades or can be converted into mechanical energy of circular motion, the crank rocker mechanism for providing an extrusion power source for the friction nano generator drives the compression hinged support to extrude the elastic wave plate substrate to move, the circular motion is converted into regular elastic wave plate substrate contact separation motion, synchronous contact separation of the first friction unit and the second friction unit is realized, the first friction unit and the second friction unit are contacted and rubbed to generate electricity, the contact surfaces of the first friction unit and the second friction unit are respectively provided with surface charges with opposite signs, when the two contact surfaces are separated under the action of elasticity, an induction potential difference is formed between the two electrodes, the two electrodes are connected through a load, electrons flow from one electrode to the other electrode through the load, so that the potential between the first friction unit and the second friction unit which are contacted and separated with each other periodically changes, and the electrons are driven to flow to an external circuit to generate alternating current; the first friction layer is made of aluminum, copper or copper-aluminum alloy in any proportion, the thickness of the first friction layer is 50 mu m-1mm, the second friction layer is made of polytetrafluoroethylene or nylon, and the thickness of the second friction layer is 50 mu m-1mm; the second friction layer is subjected to high-voltage polarization treatment to improve the charge density of the surface of the second friction layer.
2. The 3D printing-based piston-link friction nano-generator of claim 1, wherein: and the back electrodes in the first friction unit and the second friction unit are made of gold, silver, platinum, iron, copper or aluminum with good conductivity or an alloy of at least two materials, and when the back electrodes in the first friction unit are made of the metal or the alloy, the back electrodes are simultaneously used as the first friction layer.
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| CN202111612201.3A CN114268239B (en) | 2021-12-27 | 2021-12-27 | Piston connecting rod type friction nano generator based on 3D printing |
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| CN202111612201.3A CN114268239B (en) | 2021-12-27 | 2021-12-27 | Piston connecting rod type friction nano generator based on 3D printing |
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| CN114268239B true CN114268239B (en) | 2024-02-27 |
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| CN103368452A (en) * | 2013-03-08 | 2013-10-23 | 国家纳米科学中心 | Electrostatic impulse generator and direct current (DC) impulse generator |
| WO2014139346A1 (en) * | 2013-03-12 | 2014-09-18 | 国家纳米科学中心 | Sliding frictional nano generator and power generation method |
| CN106787930A (en) * | 2017-01-06 | 2017-05-31 | 北京纳米能源与系统研究所 | A kind of friction nanometer power generator of elastic construction |
| CN108111050A (en) * | 2017-12-25 | 2018-06-01 | 河南师范大学 | A kind of more contact layer swing type friction nanometer power generators |
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