CN111697872B - Self-adaptive wide-speed-range friction electrostatic wind energy collection and wind speed measurement device - Google Patents
Self-adaptive wide-speed-range friction electrostatic wind energy collection and wind speed measurement device Download PDFInfo
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- CN111697872B CN111697872B CN202010569216.5A CN202010569216A CN111697872B CN 111697872 B CN111697872 B CN 111697872B CN 202010569216 A CN202010569216 A CN 202010569216A CN 111697872 B CN111697872 B CN 111697872B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/06—Influence generators
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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
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Abstract
The invention relates to a self-adaptive wide-speed-range friction electrostatic wind energy collecting and wind speed measuring device which comprises a waterproof blade, an upper cover plate, a middle sleeve and a lower base plate, wherein a rotating shaft is arranged at the central position in the middle sleeve and is respectively connected with the upper cover plate and the lower base plate through bearings, the top of the rotating shaft penetrates through the upper cover plate and then is connected with the waterproof blade and rotates under the drive of the waterproof blade, a plurality of self-adaptive telescopic arms are connected to the middle part of the rotating shaft and are uniformly distributed along the circumferential direction, the tail ends of the self-adaptive telescopic arms are connected with an electronic standing electrode plate, an aluminum electrode I and an aluminum electrode II are arranged on the inner side of the middle sleeve, the aluminum electrode I and the aluminum electrode II are arranged in a staggered manner along the circumferential direction, and an electronic electret 7 is sequentially contacted with or separated from the aluminum electrode I and the aluminum electrode II under the drive of the rotating shaft and the self-adaptive telescopic arms; compared with the prior art, the invention has better power generation performance, greatly reduces the frictional resistance and the material abrasion, obviously improves the device performance and prolongs the service life.
Description
[ technical field ]
The invention relates to the technical field of small wind energy collection, in particular to a self-adaptive wide-speed-range friction static wind energy collection and wind speed measurement device.
[ background art ]
The friction nano generator converts mechanical energy into electric energy through friction electrification effect and electrostatic induction. Based on the triboelectric effect, two materials with different electron attractive capacities generate static charge when contacting with each other; the positive and negative static charges are separated through mechanical movement, so that a potential difference is generated between electrodes on the outer sides of the two materials. When the two electrodes are switched on, electrons in the two electrodes flow due to the existence of a potential difference, so that induced current and voltage are generated. At present, the existing friction nano generator has the advantages of simple structure, easy integration, miniaturization, suitability for low-frequency excitation and high voltage output; however, a key problem of the wind energy collecting device based on the friction nanotechnology is that the friction generates large resistance and material abrasion, so that the performance and the service life of the device are greatly influenced.
[ summary of the invention ]
The invention aims to solve the defects and provide a self-adaptive wide-speed-range friction static wind energy collecting and wind speed measuring device, which has better power generation performance, greatly reduces friction resistance and material abrasion, obviously improves the performance of devices and prolongs the service life, and solves the problems of poor environmental adaptability, low energy density, low reliability and the like of the existing wind energy collecting technology.
The device comprises a waterproof blade 1, an upper cover plate 2, a middle sleeve 3, a lower base plate 4 and a rotating shaft 5, wherein the middle sleeve 3 is in a cylindrical shape with an upper end and a lower end open and a cavity arranged inside, the upper end and the lower end open of the middle sleeve 3 are respectively provided with the upper cover plate 2 and the lower base plate 4, the rotating shaft 5 is arranged at the central position inside the middle sleeve 3, the rotating shaft 5 is vertically arranged, the rotating shaft 5 is respectively connected with the upper cover plate 2 and the lower base plate 4 through bearings, the top of the rotating shaft 5 penetrates through the upper cover plate 2 and is connected with the waterproof blade 1 and rotates under the driving of the waterproof blade 1, the middle part of the rotating shaft 5 is connected with a plurality of self-adaptive telescopic arms 6, the self-adaptive telescopic arms 6 are uniformly distributed along the circumferential direction, the tail ends of the self-adaptive telescopic arms 6 are connected with an electronic standing electrode plate 7, the inner side of the middle sleeve 3 is provided with a first aluminum electrode 8 and a second aluminum electrode 9, the first aluminum electrode 8 and the second aluminum electrode 9 are arranged in a staggered mode along the circumferential direction, and the electronic electret plate 7 is driven by the rotating shaft 5 and the self-adaptive telescopic arm 6 to be sequentially contacted with or separated from the first aluminum electrode 8 and the second aluminum electrode 9.
Further, waterproof blade 1 is provided with at least two, and at least two waterproof blade 1 evenly arrange along circumference, waterproof blade 1 passes through splice bar 18 to be fixed on adapter sleeve 19, 5 tops of pivot are passed upper cover plate 2 and are stretched into in the adapter sleeve 19 to make rotary motion by waterproof blade 1 drives through adapter sleeve 19, splice bar 18.
Further, the cross section of the waterproof blade 1 is arc-shaped and extends along the vertical direction, and a waterproof board 17 is arranged at the bottom of the waterproof blade 1.
Further, the flexible arm 6 of self-adaptation includes flexible arm mounting bracket 10, telescopic link 11, one permanent magnet 12, two 13 of permanent magnet, install on the flexible arm mounting bracket 10 can be along the telescopic link 11 of radial activity, the cover is equipped with one permanent magnet 12, two 13 of permanent magnet on the telescopic link 11, one 12 of permanent magnet is fixed in flexible arm mounting bracket 10 rear end, and is located telescopic link 11 rear portion, two 13 of permanent magnet are fixed at telescopic link 11 front portions, one 12 of permanent magnet and two 13 mutual repulsion of permanent magnet constitute nonlinear magnetic force spring, 11 ends of telescopic link are fixed with mounting panel 14, get electron electret plate 7 and paste on mounting panel 14.
Furthermore, threads are arranged in the middle of the telescopic rod 11, an adjusting nut 15 is fixed on the front side of the second permanent magnet 13, the adjusting nut 15 is screwed in a threaded section of the telescopic rod 11, and the second permanent magnet 13 is fixed on the telescopic rod 11 through the threaded section and the adjusting nut 15.
Further, flexible arm mounting bracket 10 comprises mounting bracket bottom plate 20, first 21 of front end plate, two 22 of front end plate and back end plate 23, flexible arm mounting bracket 10 longitudinal section is the E type, permanent magnet 12, two 13 of permanent magnet set up between back end plate 23 and two 22 of front end plate.
Furthermore, a connecting block 24 penetrates through the middle of the rotating shaft 5 and is fixed to the middle of the rotating shaft, the front end plate I21 is fixed to the connecting block 24, and the self-adaptive telescopic arm 6 is connected with the rotating shaft 5 through the front end plate I21 and the connecting block 24.
Further, a centrifugal force monitoring piezoelectric layer 16 is arranged between the first permanent magnet 12 and the rear end of the telescopic arm mounting frame 10.
Furthermore, the device also comprises a piezoelectric wireless transmitting module and an energy management module, wherein the piezoelectric wireless transmitting module and the energy management module are installed on the lower bottom plate 4.
Further, the material of the electron-collecting plate 7 adopts fluorinated ethylene propylene copolymer.
Compared with the prior art, the self-adaptive wide-speed-range friction electrostatic wind energy collection and wind speed measurement device is novel and simple in structure and reasonable in design, and aims at solving the problems of poor environmental adaptability, low energy density, low reliability and the like of the existing wind energy collection technology; when the wind speed is low, the friction power generation pair is separated, because the electret has the function of storing static charges, the static induction power generation can still be used for generating power, when the wind speed is increased again, the friction power generation pair is contacted again to generate charge transfer to supplement the static charges for the power generation pair, and the intermittent self-adaptive charge supplement mode not only has good power generation performance, but also greatly reduces frictional resistance and material abrasion, obviously improves the performance of devices and prolongs the service life. In addition, the piezoelectric layer is deformed due to vibration caused by centrifugal force, so that the wind speed change condition can be monitored in real time, the wind speed can be measured more accurately by combining voltage information output by friction power generation, and the method is worthy of popularization and application.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a top view of the internal structure of the present invention;
FIG. 4 is a schematic structural diagram of an adaptive telescopic boom according to the present invention;
FIG. 5 is a schematic structural diagram of a first aluminum electrode and a second aluminum electrode in the present invention;
FIG. 6 is a schematic view of the construction of a water repellent blade according to the present invention;
in the figure: 1. waterproof blade 2, upper cover plate 3, well cover 4, lower plate 5, pivot 6, the flexible arm 7 of self-adaptation, get electronic stationary electrode board 8, aluminium electrode 9, aluminium electrode 10, flexible arm mounting bracket 11, telescopic link 12, permanent magnet 13, permanent magnet 14, mounting panel 15, adjusting nut 16, centrifugal force monitoring piezoelectric layer 17, waterproof board 18, splice bar 19, adapter sleeve 20, mounting bracket bottom plate 21, preceding end plate 22, preceding end plate 23, back end plate 24, connecting block.
[ detailed description of the invention ]
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawing, the invention provides a self-adaptive wide-speed-range friction electrostatic wind energy collecting and wind speed measuring device, which comprises a waterproof blade 1, an upper cover plate 2, a middle sleeve 3, a lower bottom plate 4 and a rotating shaft 5, wherein the middle sleeve 3 is in a cylindrical shape with an opening at the upper end and the lower end and a cavity arranged inside, the upper end opening and the lower end opening of the middle sleeve 3 are respectively provided with the upper cover plate 2 and the lower bottom plate 4, the rotating shaft 5 is arranged vertically, the rotating shaft 5 is respectively connected with the upper cover plate 2 and the lower bottom plate 4 through a bearing, the top of the rotating shaft 5 penetrates through the upper cover plate 2 and is connected with the waterproof blade 1 and rotates under the driving of the waterproof blade 1, the middle part of the rotating shaft 5 is connected with a plurality of self-adaptive telescopic arms 6, the self-adaptive telescopic arms 6 are uniformly distributed along the circumferential direction, the tail ends of the self-adaptive telescopic arms 6 are connected with an electronic standing electrode plate 7, the electronic standing electrode plate 7 is made of fluorinated ethylene propylene copolymer, the inner side of the middle sleeve 3 is provided with a first aluminum electrode 8 and a second aluminum electrode 9, the first aluminum electrode 8 and the second aluminum electrode 9 are arranged in a staggered mode along the circumferential direction, and the electronic standing electrode plate 7 is sequentially contacted with or separated from the first aluminum electrode 8 and the second aluminum electrode 9 under the driving of the rotating shaft 5 and the self-adaptive telescopic arm 6.
The cross section of the waterproof blade 1 is arc-shaped and extends along the vertical direction, and the bottom of the waterproof blade 1 is provided with a waterproof plate 17; the waterproof blades 1 are provided with at least two, the at least two waterproof blades 1 are uniformly arranged along the circumferential direction, the waterproof blades 1 are fixed on the connecting sleeve 19 through the connecting ribs 18, the top of the rotating shaft 5 penetrates through the upper cover plate 2 and then extends into the connecting sleeve 19, and the rotating shaft is driven by the waterproof blades 1 to rotate through the connecting sleeve 19 and the connecting ribs 18. The self-adaptive telescopic arm 6 comprises a telescopic arm mounting frame 10, a telescopic rod 11, a first permanent magnet 12 and a second permanent magnet 13, wherein the telescopic rod 11 capable of moving along the radial direction is mounted on the telescopic arm mounting frame 10, the first permanent magnet 12 and the second permanent magnet 13 are sleeved on the telescopic rod 11, the first permanent magnet 12 is fixed at the rear end of the telescopic arm mounting frame 10 and is positioned at the rear part of the telescopic rod 11, the second permanent magnet 13 is fixed at the front part of the telescopic rod 11, the first permanent magnet 12 and the second permanent magnet 13 repel each other to form a nonlinear magnetic spring, and a mounting plate 14 is fixed at the tail end of the telescopic rod 11 to obtain an electronic electret plate 7 which is pasted on the mounting plate 14;
the middle part of the telescopic rod 11 is provided with threads, the front side of the permanent magnet II 13 is fixed with an adjusting nut 15, the adjusting nut 15 is screwed in the thread section of the telescopic rod 11, and the permanent magnet II 13 is fixed on the telescopic rod 11 through the thread section and the adjusting nut 15; the telescopic arm mounting rack 10 is composed of a mounting rack bottom plate 20, a first front end plate 21, a second front end plate 22 and a rear end plate 23, the longitudinal section of the telescopic arm mounting rack 10 is E-shaped, and a first permanent magnet 12 and a second permanent magnet 13 are arranged between the rear end plate 23 and the second front end plate 22; the middle part of the rotating shaft 5 penetrates through and is fixed with a connecting block 24, a front end plate I21 is fixed on the connecting block 24, and the self-adaptive telescopic arm 6 is connected with the rotating shaft 5 through the front end plate I21 and the connecting block 24; a centrifugal force monitoring piezoelectric layer 16 is further arranged between the first permanent magnet 12 and the rear end of the telescopic arm mounting frame 10, and the piezoelectric wireless transmitting module and the energy management module are mounted on the lower bottom plate 4.
In the invention, a waterproof blade 1 is connected with a rotating shaft 5, the rotating shaft 5 is connected with a plurality of self-adaptive telescopic arms 6, the tail ends of the self-adaptive telescopic arms 6 are provided with an electronic electret plate 7, and the inner side of a middle sleeve 3 is provided with an aluminum electrode I8 and an aluminum electrode II 9; the self-adaptive telescopic arm 6 comprises a telescopic arm mounting frame 10, a telescopic rod 11 capable of moving along the radial direction is mounted on the telescopic arm mounting frame 10, a first permanent magnet 12 is fixed on the telescopic arm mounting frame 10, a second permanent magnet 13 is arranged on the telescopic rod 11, the first permanent magnet 12 and the second permanent magnet 13 are mutually exclusive to form a nonlinear magnetic spring, and a mounting plate 14 is arranged at the tail end of the telescopic rod 11. The telescopic rod 11 is provided with threads, the second permanent magnet 13 is fixed with an adjusting nut 15, and the adjusting nut 15 can be adjusted in the thread section of the telescopic rod 11. And a centrifugal force monitoring piezoelectric layer 16 is arranged between the first permanent magnet 12 and the telescopic arm mounting frame 10. The electronic electret plate 7 is adhered to the mounting plate 14, and Fluorinated Ethylene Propylene (FEP) can be used as the material of the electronic electret plate 7. The piezoelectric wireless transmitting module and the energy management module are arranged on the lower bottom plate 4.
As shown in fig. 2 and 4, the wind power collecting device of the invention comprises a self-adaptive telescopic arm 6, an electronic static plate 7, a first aluminum electrode 8 and a second aluminum electrode 9. When a certain wind speed is exceeded, the waterproof blade 1 is connected with the rotating shaft 5 to rotate to generate centrifugal force, the electronic stationary electrode plate 7 is sequentially contacted with the first aluminum electrode 8 and the second aluminum electrode 9 under the action of the centrifugal force, so that the electronic stationary electrode plate 7 and the first aluminum electrode 8 are subjected to charge transfer, the wind speed is reduced, the first permanent magnet 12 and the second permanent magnet 13 repel each other to form a nonlinear magnetic spring, the electronic stationary electrode plate 7 is separated from the first aluminum electrode 8 and the second aluminum electrode 9, and the electronic stationary electrode plate 7 has the function of storing static charges and can still generate electricity through electrostatic induction, so that the friction resistance and the abrasion of materials on the electronic stationary electrode plate 7, the first aluminum electrode 8 and the second aluminum electrode 9 are reduced; when the wind speed increases again, the electronic static electrode plate 7 is contacted with the first aluminum electrode 8 and the second aluminum electrode 9 again to generate charge transfer, static charges are supplemented for the power generation pair, so that good electrostatic induction power generation performance is kept, the centrifugal force causes vibration, the piezoelectric layer 16 is monitored by the centrifugal force to deform, and the wind speed is monitored in real time through the piezoelectric wireless transmitting module and the energy management module.
Aiming at the problems of poor environmental adaptability, low energy density, low reliability and the like of the existing wind energy collection technology, the invention controls the separation, contact and contact degree of the friction power generation pair through dynamic design, thereby realizing the friction power generation with high energy density and reducing the friction resistance and the abrasion of the friction power generation pair. When the wind speed exceeds a certain wind speed, the friction power generation pair is contacted under the action of centrifugal force, so that the friction power generation pair generates charge transfer, the wind speed is reduced, the friction power generation pair is separated under the action of magnetic force, the electret has the function of storing static charge and can still generate power through electrostatic induction, and when the wind speed is increased again, the friction power generation pair is contacted again to generate charge transfer to supplement the static charge for the power generation pair; the intermittent self-adaptive charge supplement mode has good power generation performance, greatly reduces frictional resistance and material abrasion, obviously improves the performance of devices and prolongs the service life of the devices. The piezoelectric layer is deformed due to vibration caused by centrifugal force, so that the change condition of the wind speed is monitored in real time, and the wind speed can be measured more accurately by combining voltage information output by friction power generation.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (10)
1. The utility model provides a wide speed range of self-adaptation friction static wind energy is gathered and wind speed measuring device, includes waterproof blade (1), upper cover plate (2), well cover (3), lower plate (4), pivot (5), its characterized in that: the middle sleeve (3) is in a cylindrical shape with an upper end and a lower end open and a cavity arranged inside, the upper end and the lower end open of the middle sleeve (3) are respectively provided with an upper cover plate (2) and a lower base plate (4), the central position inside the middle sleeve (3) is provided with a rotating shaft (5), the rotating shaft (5) is vertically arranged, the rotating shaft (5) is respectively connected with the upper cover plate (2) and the lower base plate (4) through bearings, the top of the rotating shaft (5) penetrates through the upper cover plate (2) and then is connected with a waterproof blade (1) and rotates under the driving of the waterproof blade (1), the middle part of the rotating shaft (5) is connected with a plurality of self-adaptive telescopic arms (6), the self-adaptive telescopic arms (6) are uniformly distributed along the circumferential direction, the tail ends of the self-adaptive telescopic arms (6) are connected with an electronic electrode plate (7), the inner side of the middle sleeve (3) is provided with a first aluminum electrode (8) and a second aluminum electrode (9), the first aluminum electrode (8) and the second aluminum electrode (9) are arranged in a staggered mode along the circumferential direction, and the electronic static electrode plate (7) is sequentially contacted with or separated from the first aluminum electrode (8) and the second aluminum electrode (9) under the driving of the rotating shaft (5) and the self-adaptive telescopic arm (6).
2. The adaptive wide speed range tribostatic wind energy collection and wind speed measurement device according to claim 1, wherein: waterproof blade (1) are provided with at least two, and two at least waterproof blade (1) are evenly arranged along circumference, waterproof blade (1) is fixed on adapter sleeve (19) through splice bar (18), pivot (5) top is passed and is stretched into in adapter sleeve (19) behind upper cover plate (2) to make rotary motion by waterproof blade (1) drive through adapter sleeve (19), splice bar (18).
3. The adaptive wide speed range tribostatic wind energy collection and wind speed measurement device according to claim 1 or 2, wherein: waterproof blade (1) transversal personally submits the arc, and extends along vertical direction, waterproof blade (1) bottom is equipped with waterproof board (17).
4. The adaptive wide speed range tribostatic wind energy collection and wind speed measurement device according to claim 1, wherein: self-adaptation flexible arm (6) are including flexible arm mounting bracket (10), telescopic link (11), permanent magnet (12), permanent magnet two (13), install on flexible arm mounting bracket (10) and can be along telescopic link (11) of radial activity, the cover is equipped with permanent magnet (12), permanent magnet two (13) on telescopic link (11), permanent magnet (12) are fixed in flexible arm mounting bracket (10) rear end, and are located telescopic link (11) rear portion, permanent magnet two (13) are fixed at telescopic link (11) front portion, permanent magnet (12) and permanent magnet two (13) repel each other and constitute nonlinear magnetic force spring, telescopic link (11) end is fixed with mounting panel (14), get electron stationary electrode board (7) and paste on mounting panel (14).
5. The adaptive wide speed range tribostatic wind energy collection and wind speed measurement device according to claim 4, wherein: the middle part of the telescopic rod (11) is provided with threads, the front side of the second permanent magnet (13) is fixed with an adjusting nut (15), the adjusting nut (15) is arranged in the thread section of the telescopic rod (11) in a rotating mode, and the second permanent magnet (13) is fixed on the telescopic rod (11) through the thread section and the adjusting nut (15).
6. The adaptive wide speed range tribostatic wind energy collection and wind speed measurement device according to claim 4, wherein: flexible arm mounting bracket (10) comprises mounting bracket bottom plate (20), front end plate (21), two (22) of front end plate and back end plate (23), flexible arm mounting bracket (10) longitudinal section is the E type, permanent magnet (12), two (13) of permanent magnet set up between back end plate (23) and two (22) of front end plate.
7. The adaptive wide speed range tribostatic wind energy collection and wind speed measurement device according to claim 6, wherein: the middle of the rotating shaft (5) penetrates through and is fixed with a connecting block (24), the first front end plate (21) is fixed on the connecting block (24), and the self-adaptive telescopic arm (6) is connected with the rotating shaft (5) through the first front end plate (21) and the connecting block (24).
8. The adaptive wide speed range tribostatic wind energy collection and wind speed measurement device according to claim 7, wherein: and a centrifugal force monitoring piezoelectric layer (16) is also arranged between the first permanent magnet (12) and the rear end of the telescopic arm mounting frame (10).
9. The adaptive wide speed range tribostatic wind energy capture and wind speed measurement device of claim 8, wherein: the piezoelectric wireless transmitting module and the energy management module are installed on the lower base plate (4).
10. The adaptive wide speed range tribostatic wind energy collection and wind speed measurement device according to claim 1, wherein: the material of the electron-standing electrode plate (7) adopts fluorinated ethylene propylene copolymer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010569216.5A CN111697872B (en) | 2020-06-20 | 2020-06-20 | Self-adaptive wide-speed-range friction electrostatic wind energy collection and wind speed measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010569216.5A CN111697872B (en) | 2020-06-20 | 2020-06-20 | Self-adaptive wide-speed-range friction electrostatic wind energy collection and wind speed measurement device |
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| CN111697872A CN111697872A (en) | 2020-09-22 |
| CN111697872B true CN111697872B (en) | 2022-06-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112564540A (en) * | 2020-12-02 | 2021-03-26 | 湘潭大学 | Adaptive rolling nano friction generator |
| CN117553867B (en) * | 2024-01-09 | 2024-04-26 | 北京纳米能源与系统研究所 | Liquid flow monitoring instrument |
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| CN109149993A (en) * | 2017-06-16 | 2019-01-04 | 北京纳米能源与系统研究所 | Generator |
| CN109921678A (en) * | 2019-03-22 | 2019-06-21 | 安徽大学 | A kind of rotary electromagnetic-friction composite nano generator |
| CN110474558A (en) * | 2019-08-20 | 2019-11-19 | 西北工业大学 | A kind of multi-functional electret generator based on permanent magnet suspension gyro |
| CN110784120A (en) * | 2018-07-31 | 2020-02-11 | 北京纳米能源与系统研究所 | Rotary nano generator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3046436B1 (en) * | 2016-01-06 | 2018-02-23 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | ELECTROSTATIC CONVERTER. |
| WO2018213781A1 (en) * | 2017-05-18 | 2018-11-22 | The Johns Hopkins University | Push-pull electret transducer with controlled restoring force for low frequency microphones and energy harvesting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149993A (en) * | 2017-06-16 | 2019-01-04 | 北京纳米能源与系统研究所 | Generator |
| CN110784120A (en) * | 2018-07-31 | 2020-02-11 | 北京纳米能源与系统研究所 | Rotary nano generator |
| CN109921678A (en) * | 2019-03-22 | 2019-06-21 | 安徽大学 | A kind of rotary electromagnetic-friction composite nano generator |
| CN110474558A (en) * | 2019-08-20 | 2019-11-19 | 西北工业大学 | A kind of multi-functional electret generator based on permanent magnet suspension gyro |
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