CN101629538A - Running water energy collecting device and running water energy collecting method - Google Patents
Running water energy collecting device and running water energy collecting method Download PDFInfo
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- CN101629538A CN101629538A CN200910074829A CN200910074829A CN101629538A CN 101629538 A CN101629538 A CN 101629538A CN 200910074829 A CN200910074829 A CN 200910074829A CN 200910074829 A CN200910074829 A CN 200910074829A CN 101629538 A CN101629538 A CN 101629538A
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Abstract
The invention relates to a running water energy collecting device and a running water energy collecting method. A fan flap wheel is supported on a bracket. A rotating shaft of the fan flap wheel extends into an energy accumulator and is provided with two groups of symmetrical springs, the top ends of which are provided with steel balls. The inner wall of the energy accumulator is symmetrically connected with four groups of piezoelectric ceramic bodies. Each group of piezoelectric ceramic bodies consists of more than two sheets of piezoelectric ceramic bodies which are connected in parallel. The piezoelectric ceramic bodies are closely contacted with the steel balls during the rotation so as to generate electric energy which is conveyed to a rectifier and collected for a measuring and reporting apparatus. According to the method, the device is arranged in a water current facing the flow direction; the flowing water pushes blades to rotate the fan flap wheel and the rotating shaft; the steel balls on the rotating shaft strike the piezoelectric ceramic bodies of the energy accumulator so that the electric energy can be generated and then conveyed to the rectifier; and a capacitor is used for collecting and outputting the electric energy for the measuring and reporting apparatus. The device and the method collects the water energy and converts the water energy into the electric energy which is supplied to a low-power apparatus for measuring and reporting water regimen and water protection condition. The device has a simple structure and low cost and is convenient to install. The invention provides the device and the method which supply power to fieldwork detecting apparatuses.
Description
Technical field
The present invention relates to a kind of energy collecting device and collection method thereof, specifically, be that the devices and methods therefor of collecting little electric flux from circulating water that observes and predicts equipment and wireless sensor network sensor node is protected in a kind of field that is used for that comprises blade, rotating disk, piezoelectric ceramic body, spring, steel ball, accumulator, circuit board and rotating shaft by regimen, the water ring of small electric weight power supply.
Background technique
Regimen and environmental protection Automatic Telemetric and Precast System are advanced technologies such as integrate data capture, data processing, communicate by letter, and are used for realizing the automatic real-time data acquisition processing system of automatic collection, processing, transmission and the forecast of hydrology data and environmental protection relevant parameter.Hydrographic information comprises: the round-the-clock automatic monitor for continuously of ice such as river course, lake, reservoir, open channel, long distance water transfer project, seashore, regimen information.To regimen, ice condition, water environment protection monitoring mainly is that various parameters to water level, flow velocity, flow, ice slush density, frozen water mixing layer scope, polluted water environment detect; its equipment is provided with mostly in the open air; away from power supply; for equipment stringing power supply cost is too high, adopt powered battery to change battery inconvenience.In recent years, harvest energy is converted to electric energy and satisfies the mini-plant electricity consumption and be subjected to attention from environment, the gathering-device and the collection method thereof of multiple energy such as existing wind energy, solar energy, but these apparatus and method all have its narrow limitation, as: solar cell long-term when overcast and rainy, wind generating unit all can not satisfy power demands when not having wind.Therefore, to observe and predict the power supply supply problem of sensor node in equipment and the wireless sensor network be the problem that regimen and the electricity consumption of water environment protection automatic telemetry press for solution in the field.
Particularly existing wireless sensor network is normally operated among the abominable remote environment that people such as mountain area, open field can't be approaching, the battery altering of network node or work such as recharge and can't carry out.The inventor observes and predicts on-the-spot power requirement on the spot according to the wireless sensor network sensor node, has designed a kind of device that utilize natural energy generating supporting with it and the collection method of this device energy, satisfies the electricity consumption needs that this small-power is observed and predicted equipment.
The publication number of existing bibliographical information is: the patent of invention of CN1485540 " a kind of collection of energy conversion equipment ", be the various energy composite energies that receive the space by energy collecting device, after amplifying, amplifying device imports the matter Jie's groove that is marked with the liquid catalyst into, after the activity that improves energy, by energy reflector the energy transfer of collecting is given vibratory source and produced mechanical shock, this mechanical shock is transformed to the rotation of main shaft by the driving mechanism that links to each other after the buffering of hydraulic pressure platform, export to load or generator again behind speed changer.Publication number is: a kind of " the miniaturized piezoelectric based vibrational energy collector " of CN1985381, this invention is to adopt at equilibrium phase constant force spring in the structure or curved arrangement, to strengthen the power harvest energy of piezoelectric device, provide self-powered monitoring capability thus.And for example, publication number is: " based on the multi-directional energy gathering apparatus of piezoelectric material " of CN101340160, this invention can be collected vibrational energy under the situation of multi-direction vibration.Directly the small-power device of power is collected in the vibration that causes from environment.For another example, publication number is: " fluid energy collector " of CN1769668, this device mainly is made up of framework, movable sail framework, movable sail body, movable sail framework control gear and rudder sail, in the framework rotation process, movable sail framework control gear is according to the position or the direction of the sensing change activity sail framework of rudder sail or control its rotation, reach framework is rotated continuously, fluid energy is converted to the rotational kinetic energy and the output of framework.This device is and to control rail slot by driven by motor activity sail framework, is the energy collecting device that self needs consumed power, belongs to traditional high-power electricity generating device.
Energy collecting device that above-mentioned document is openly reported and collection of energy method, all belong at external environment and directly produce the gathering-device that vibrational energy carries out, these devices are in flowing water, particularly in the flowing water of fine motion, observe and predict the supporting small-power of the little electricity supply of equipment and wireless sensor network sensor node demand and observe and predict equipment, have not yet to see relevant bibliographical information with hydrographic information.
Summary of the invention
The problem to be solved in the present invention is the electrical problem that the energy of collecting the environment of living in observe and predict object that equipment is surveyed solves the equipment of observing and predicting.Design a kind of collection fine motion water and can and convert electric energy to, be used for open-air regimen, water ring and protect and observe and predict the powerup issue of equipment and wireless sensor network sensor node, and then a kind of flowing water energy gathering-device and collection method thereof of being used for is provided.
In order to address the above problem and realize above-mentioned purpose, the measure that the present invention taked is after the flowing water energy with the flowing water energy of fine motion form or small flow form changes potential energy into, produce electric energy by piezoelectric ceramic body again and collect, based on such invention thought, the gathering-device and the collection method thereof that have proposed a kind of flowing water energy are as follows:
A kind of flowing water energy gathering-device, it contains blade, rotating disk, piezoelectric ceramic body, spring, steel ball, accumulator, circuit board, cable, rotating shaft, support and outer cover, its formation is to constitute sector wheel by the vaned rotating disk of bearing supporting strap on support, the rotating shaft of sector wheel one end extends in the accumulator, and the rotating shaft in the accumulator is provided with the spring that steel ball is equipped with on the two symmetrical groups top that becomes 90 ° with rotating shaft; On the inwall of accumulator, be symmetrically connected with four groups of piezoelectric ceramic bodies, every group of piezoelectric ceramic body is to be connected in parallel to fit when rotated with steel ball by the piezoelectric ceramic body more than at least two to contact, the power delivery that steel ball and piezoelectric ceramic body produce is behind the rectifier of circuit board, collect by electric capacity, by battery storage, electric energy stored outputs to the equipment of observing and predicting by cable through DC-DC.
A kind of collection method of flowing water energy gathering-device, this method is that this device is placed in the current of the flow path direction that meets water, the water that flows promotes blade rotates sector wheel and rotating shaft, become with rotating shaft in the rotating shaft in extending to accumulator on 90 ° the direction spring that steel ball is equipped with on two tops is installed, two corresponding spring become 180 °, when rotating shaft is rotated, the spring that steel ball is equipped with on the top rotates in accumulator thereupon, and the piezoelectric ceramic body that impacts in accumulator produces electric energy, this power delivery is behind the rectifier of circuit board, collect by electric capacity, again behind DC-DC by battery storage, electric energy stored outputs to the equipment of observing and predicting by cable.
The present invention is based on existing open-air regimen, water ring is protected and observed and predicted on the basis of sensor node in equipment and the wireless sensor network, is a kind of gathering-device and collection method thereof that is used for flowing water energy of its electricity consumption design.This device and regimen in the open air, water ring is protected and to be observed and predicted that sensor node is mounted in the mobile water together in equipment or the wireless sensor network, and adopt this to install the collection method of described flowing water energy, make the water of microfluidic promote the small and light page or leaf sheet of this device, after changing the flowing water energy of energy in the fine motion flowing water or small flow form into potential energy, produce electric energy by piezoelectric ceramic body again, the power delivery that is produced is collected by electric capacity behind the full-bridge rectifier of circuit board, by battery storage, electric energy stored is used to observe and predict equipment by water-proof cable output through DC-DC.This equipment that will observe and predict is integrated in one with the electricity generating device that observes and predicts power devices, be arranged on and be used to detect hydrographic information in the mobile water, solved existing hydrographic information and observed and predicted equipment and be installed in the problem that to power in the water, and adopted active power supply cost height, the problem of inconvenience is set; Adopt other energy such as wind energy, solar energy can't satisfy the problem that hydrographic information observes and predicts device requirement.This flowing water energy gathering-device with observe and predict equipment and be installed in the flowing water in the lump; guaranteed to observe and predict of detection and the forecast of device security real-time online to hydrographic information; this is for the precision that improves hydrologic forecast; the foundation of science is provided for the scheduling of flood control and water conservancy and hydropower timely and accurately; also to building regimen, ice condition, water environment protection Automatic Telemetric and Precast System, give full play to flood control mitigation, rational utilization of water resources, environmental protection and be of great practical significance.
Flowing water energy gathering-device of the present invention is arranged on and collects the fine motion flowing water energy in the flowing water of fine motion, and the open-air regimen, the water ring that convert electric energy supply low power demand to are protected the electricity consumption of observing and predicting sensor node in equipment and the wireless sensor network, simple in structure, with low cost, be convenient to install, for the detection facility and the power supply of wireless sensor network sensor node of working in the open air provides a kind of new apparatus and method.The trial assembly of this device in the disclosure of an invention of claimant institute number is: the observing and predicting on the equipment of a kind of " induction type digital water level sensor " of ZL96110735.9, or be installed in the disclosure of an invention of claimant institute and number be: the observing and predicting on the equipment of a kind of " ice layer thickness sensor and the detecting method thereof " of ZL200410012164.2, being applied to regimen detects, test and exploration through laboratory and engineering site of deployment, the collected energy of flowing water energy gathering-device satisfies the demand of observing and predicting the equipment power consumption fully, give the power supply that observed and predicted supply of equipment, 20 milliamperes of its operating currents, measuring accuracy 1cm, Expected Results are comparatively desirable.
Description of drawings
Fig. 1 is the structural representation of flowing water energy gathering-device of the present invention.
Fig. 2 is the cross-sectional view of Fig. 1 accumulator of the present invention
Fig. 3 is the cross-sectional view of sector wheel of the present invention
Fig. 4 is the circuit theory diagrams of circuit board of the present invention
Fig. 5 is a flowing water energy gathering-device mounting structure schematic representation of the present invention
Among the figure: 1: blade; 2: rotating disk; 3: piezoelectric ceramic body; 4: spring; 5: steel ball; 6: outer cover; 7: accumulator; 8: circuit board; 9: cable; 10: rotating shaft; 11: support; 12: sector wheel; 13: rectifier; 14: electric capacity; 15:DC-DC (DC-to-DC); 16: battery; 17: gathering-device; 18: the flowing water plane; 19: observe and predict equipment.
Embodiment
With specific embodiment the specific embodiment of the present invention is made further detailed description below in conjunction with accompanying drawing, those skilled in the art is after having read present embodiment, can understand and implement the present invention, present embodiment also can embody advantage of the present invention and good effect.
Embodiment 1
A kind of flowing water energy gathering-device of the present invention and collection method thereof adopt machining process or injection moulding processing method and electronic product processing method to manufacture and get final product.In this device, the piezoelectric ceramic body of accumulator and circuit board should seal making.
In the accompanying drawing 1, this device comprises: support 11, sector wheel 12, rotating shaft 10, outer cover 6, accumulator 7, piezoelectric ceramic body 3, spring 4, steel ball 5, circuit board 8, water-proof cable 9 formations such as grade.
Wherein, support 11 can be used for the binding and the supporting effect of device by cast iron in surface lacquer water-proofing treating or hard plastic injection molding moulding; Outer cover 6 usefulness hard plastic injection molding moulding or iron plate impact briquetting are installed in the first half of sector wheel 12, and are fixedly connected on the support 11, rise to stop that water impact blade 1 produces reciprocal power; There is electric weight to collect conditioning circuit and storage circuit on the circuit board 8, comprising the battery 16 of storing electricity.
In the accompanying drawing 2, accumulator 7 is by piezoelectric ceramic body 3, spring 4, steel ball 5 formations such as grade.
Wherein, piezoelectric ceramic body 3 is by the multi-disc piezoelectric ceramic, and insulation between plates adopts parallel form to connect and compose, and is provided with 2 groups or 2 groups of above piezoelectric ceramic bodies 3; Spring 4 becomes 180 ° with 10 one-tenth 90 ° of rotating shafts, 2 springs.On the top of spring 4 steel ball 5 is housed, steel ball 5 is a solid garden ball.
In the accompanying drawing 3, sector wheel 12 is fixedly connected on the rotating disk 2 by blade 1 and constitutes, and the rotating disk 2 of sector wheel 12 and blade 1 usefulness hard plastic injection molding moulding or iron plate impact briquetting are provided with rotating shaft 10 in the middle of the sector wheel 12, rotating shaft 10 usefulness round iron or hard plastic injection molding moulding, sector wheel 12 drives rotating shaft 10 and rotates.
In river course or flowing water, this device is settled in the water of flow path direction that meets water, the water that flows promotes blade 1 rotates sector wheel 12, sector wheel 12 drives rotating shaft 10 rotations simultaneously, be installed in the outer cover 6 of the first half of sector wheel 12, the blade 1 that stops water impact sector wheel 12 upper half part is in order to reduce the reciprocal power that produces.Rotating shaft 10 in the middle of the sector wheel 12 is connected in the accumulator 7 that is fixed on the support 11, on accumulator 7 shafts, the spring 4 that steel ball 5 is equipped with on two tops is housed with 10 one-tenth 90 ° of directions of rotating shaft, 4 one-tenth 180 ° on two springs, when sector wheel 12 drives rotating shaft 10 rotations, spring 4 rotation in accumulator 7 thereupon of steel ball 5 is equipped with on two tops, change flowing water energy into potential energy, after flowing water energy changes potential energy into, by steel ball 5 this potential energy is acted on the piezoelectric ceramic body 3, steel ball 5 ceaselessly impacts the surface of the piezoelectric ceramic body 3 that sealing is installed in the accumulator 7, piezoelectric ceramic body 3 produces the moment electric weight through impacting, the electric weight that piezoelectric ceramic body 3 takes place mainly depends on the frequency of mechanical vibration, both steel ball 5 impacted the frequency of piezoelectric ceramic body 3, the electric weight of the high more generation of frequency is big more, the electric weight that produces is transported to the circuit board 8 that electricity collection and memory circuit are housed and collects and store, electric energy stored is by water-proof cable 9 outputs, and some detection facilitys of supplying with the sensor node of wireless sensor network or settling in the open air, satisfy the demand of its power supply.
In the accompanying drawing 4, the energy that from the environment of being surveyed, obtains, the electric energy that utilizes piezoelectric ceramic body 3 to transform can not directly be applied on the electronic equipment, need by the conditioning circuit on the circuit board 8, storage circuit, with piezoelectric ceramic body 3 under the effect that adds vibrational excitation, the electric weight that the interchange that produces changes transfers the electric quantity signal that is fit to the external electronic device use to and is collected in the jumbo electric capacity 14 after full-bridge rectifier 13 is proofreaied and correct, electric capacity 14 is greater than 1000 μ F, electric capacity 14 and battery 16 parallel connections, electric capacity 14 is stored in the electric weight of collecting in the rechargeable battery 16.The output terminal of piezoelectric ceramic body 3 connects full-bridge rectifier 13 on the circuit board 8, after proofreading and correct through full-bridge rectifier 13, the electric weight that the interchange of piezoelectric ceramic body 3 outputs changes delivers on the electric capacity 14 in parallel, a DC-DC 15 (DC-to-DC converter) is connected between full-bridge rectifier 13 and the battery 16, so that make the electric weight of piezoelectric ceramic body 3 outputs reach maximum value under the situation that extraneous mechanical energy changes.
Embodiment 2
In the accompanying drawing 5,, a kind of flowing water energy gathering-device 17 among the embodiment 1 and collection method thereof are applied in ice, the water level detecting equipment according to an application examples of method for production among the embodiment 1 and using method.Be about to this gathering-device 17 when the physical environment temperature is more than 0 ℃ with " induction type digital water level sensor ", the flowing water planes 18 times of promptly observing and predicting the supporting minimum velocity river course that together is installed in the flow path direction that meets water of equipment 19 are fixing.With this device and " ice layer thickness sensor ", promptly observe and predict equipment 19 supporting together installations when the physical environment temperature is below 0 ℃, this gathering-device 17 is installed in the minimum velocity river course of the flow path direction that meets water below the ice sheet.Ice at sensor, water level detecting when work, flowing water flow promotes blade 1 rotates sector wheel 12, and sector wheel 12 drives rotating shaft 10 rotations simultaneously, is installed in the outer cover 6 of the first half of sector wheel 12, the blade 1 that stops water impact sector wheel 12 upper half part reduces the reciprocal power that produces.Rotating shaft 10 in the middle of the sector wheel 12 is connected in the accumulator 7 that is fixed on the support 11, when rotating shaft 10 is rotated, spring 4 rotation in accumulator 7 thereupon of steel ball 5 is equipped with on two tops, impact the piezoelectric ceramic body 3 that sealing is installed in accumulator 7 and produce the moment electric weight, this electric weight is delivered to the circuit board 8 that electricity collection and memory circuit are housed and is collected conditioning and storage, electric energy stored is delivered to ice by water-proof cable 9, the power input of water level detecting equipment, supply with ice, water level detecting equipment uses, because this equipment is the requirement by river management department, the 1 hour once sampling in every interval, and ice, water level detecting equipment adopts the low power consumption components and parts to manufacture and design, operating current is less than 20mA, quiescent current 0.5mA, through the experiment operation, the electric weight of a kind of flowing water energy gathering-device of the present invention and collection method output thereof satisfies ice fully, water level detecting equipment is to the demand of power supply.
Claims (2)
1. gathering-device that is used for flowing water energy, it contains blade, rotating disk, piezoelectric ceramic body, spring, steel ball, accumulator, circuit board, cable, rotating shaft, support and outer cover, it is characterized in that going up rotating disk (2) the formation sector wheel (12) that has blade (1) by the bearing supporting at support (11), the rotating shaft (10) of sector wheel (12) one ends extends in the accumulator (7), and the rotating shaft (10) in the accumulator (7) is provided with rotating shaft (10) and becomes 90 ° two symmetrical groups top that the spring (4) of steel ball (5) is housed; On the inwall of accumulator (7), be symmetrically connected with four groups of piezoelectric ceramic bodies (3), every group of piezoelectric ceramic body (3) is to be connected in parallel to fit when rotated with steel ball (5) by the piezoelectric ceramic body more than at least two (3) to contact, the power delivery that steel ball (5) and piezoelectric ceramic body (3) produce is behind the rectifier (13) of circuit board (8), collect by electric capacity (14), by battery (16) storage, electric energy stored outputs to the equipment of observing and predicting (19) by cable (9) through DC-DC (15).
2. the collection method of the described flowing water energy gathering-device of claim 1, it is characterized in that this device is placed in the current of the flow path direction that meets water, the water that flows promotes blade (1) rotates sector wheel (12) and rotating shaft (10), rotating shaft (10) in extending to accumulator (7) is gone up on the direction that becomes 90 ° with rotating shaft the spring (4) that steel ball (5) are equipped with on two tops is installed, two corresponding spring (4) become 180 °, when rotating shaft (10) is rotated, the spring (5) that steel ball (4) are equipped with on the top rotates in accumulator (7) thereupon, and the piezoelectric ceramic body (3) that impacts in accumulator (7) produces electric energy, this power delivery is behind the rectifier (13) of circuit board (8), collect by electric capacity (14), stored by battery (16) behind DC-DC (15), electric energy stored outputs to the equipment of observing and predicting (19) by cable (9) again.
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| CN200910074829A CN101629538A (en) | 2009-07-04 | 2009-07-04 | Running water energy collecting device and running water energy collecting method |
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| CN200910074829A CN101629538A (en) | 2009-07-04 | 2009-07-04 | Running water energy collecting device and running water energy collecting method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968023A (en) * | 2010-09-30 | 2011-02-09 | 哈尔滨工程大学 | Sliding type single-vane water flow generator device |
| CN102195309A (en) * | 2010-03-01 | 2011-09-21 | 雷蒙德股份有限公司 | Energy storage on an elevated platform and transfer method |
| CN102223105A (en) * | 2010-04-14 | 2011-10-19 | 南京航空航天大学 | Piezoelectric generator |
| CN102410131A (en) * | 2011-11-04 | 2012-04-11 | 上海瑞华(集团)有限公司 | Multivariable adjustable hydraulic power generating device and control method thereof |
| US8193655B2 (en) * | 2010-03-10 | 2012-06-05 | Allan Roberts | System for converting ocean wave energy to electric power |
| CN102832687A (en) * | 2011-06-15 | 2012-12-19 | 雷蒙德股份有限公司 | Energy storage on elevated platform and transfer method |
| CN102937137A (en) * | 2012-11-20 | 2013-02-20 | 浙江大学 | Piezoelectric power generation rolling bearing unit |
| US8869944B2 (en) | 2010-03-01 | 2014-10-28 | The Raymond Corporation | Energy storage on an elevated platform and transfer method |
| CN105673360A (en) * | 2016-04-01 | 2016-06-15 | 北京乾源风电科技有限公司 | Passive charge generator and wind turbine blade with same |
| CN107124071A (en) * | 2017-06-13 | 2017-09-01 | 浙江大学 | A kind of integrated form energy of ocean current collection device |
| CN107317517A (en) * | 2017-08-17 | 2017-11-03 | 浙江师范大学 | A kind of blade of wind-driven generator monitoring system self powered supply |
| CN113309656A (en) * | 2021-07-30 | 2021-08-27 | 山东交通学院 | Miniature wind wave energy conversion and collection device and system |
| WO2023102878A1 (en) * | 2021-12-10 | 2023-06-15 | 无锡星亿智能环保装备股份有限公司 | Electroplating wastewater treatment device for electroplating production line |
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- 2009-07-04 CN CN200910074829A patent/CN101629538A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8869944B2 (en) | 2010-03-01 | 2014-10-28 | The Raymond Corporation | Energy storage on an elevated platform and transfer method |
| CN102195309A (en) * | 2010-03-01 | 2011-09-21 | 雷蒙德股份有限公司 | Energy storage on an elevated platform and transfer method |
| CN102195309B (en) * | 2010-03-01 | 2015-07-08 | 雷蒙德股份有限公司 | Energy storage and transfer method on an elevated platform |
| US8193655B2 (en) * | 2010-03-10 | 2012-06-05 | Allan Roberts | System for converting ocean wave energy to electric power |
| CN102223105A (en) * | 2010-04-14 | 2011-10-19 | 南京航空航天大学 | Piezoelectric generator |
| CN102223105B (en) * | 2010-04-14 | 2014-05-14 | 南京航空航天大学 | Piezoelectric generator |
| CN101968023A (en) * | 2010-09-30 | 2011-02-09 | 哈尔滨工程大学 | Sliding type single-vane water flow generator device |
| CN102832687A (en) * | 2011-06-15 | 2012-12-19 | 雷蒙德股份有限公司 | Energy storage on elevated platform and transfer method |
| CN102832687B (en) * | 2011-06-15 | 2017-06-06 | 雷蒙德股份有限公司 | The device and transmission method of the energy stores on lifting platform |
| CN102410131A (en) * | 2011-11-04 | 2012-04-11 | 上海瑞华(集团)有限公司 | Multivariable adjustable hydraulic power generating device and control method thereof |
| CN102937137B (en) * | 2012-11-20 | 2015-01-14 | 浙江大学 | Piezoelectric power generation rolling bearing unit |
| CN102937137A (en) * | 2012-11-20 | 2013-02-20 | 浙江大学 | Piezoelectric power generation rolling bearing unit |
| CN105673360A (en) * | 2016-04-01 | 2016-06-15 | 北京乾源风电科技有限公司 | Passive charge generator and wind turbine blade with same |
| CN107124071A (en) * | 2017-06-13 | 2017-09-01 | 浙江大学 | A kind of integrated form energy of ocean current collection device |
| CN107124071B (en) * | 2017-06-13 | 2024-03-15 | 浙江大学 | Integrated ocean current energy collection device |
| CN107317517A (en) * | 2017-08-17 | 2017-11-03 | 浙江师范大学 | A kind of blade of wind-driven generator monitoring system self powered supply |
| CN107317517B (en) * | 2017-08-17 | 2023-03-21 | 浙江师范大学 | Self-powered power supply for wind driven generator blade monitoring system |
| CN113309656A (en) * | 2021-07-30 | 2021-08-27 | 山东交通学院 | Miniature wind wave energy conversion and collection device and system |
| WO2023102878A1 (en) * | 2021-12-10 | 2023-06-15 | 无锡星亿智能环保装备股份有限公司 | Electroplating wastewater treatment device for electroplating production line |
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Open date: 20100120 |