CN107061122A - A kind of marine float self-generating device based on stem-winder principle - Google Patents
A kind of marine float self-generating device based on stem-winder principle Download PDFInfo
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- CN107061122A CN107061122A CN201710313978.7A CN201710313978A CN107061122A CN 107061122 A CN107061122 A CN 107061122A CN 201710313978 A CN201710313978 A CN 201710313978A CN 107061122 A CN107061122 A CN 107061122A
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- Prior art keywords
- gear
- winder
- stem
- device based
- generating device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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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
- Y02E10/20—Hydro energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of marine float self-generating device based on stem-winder principle, including installing plate, the installing plate is provided with generator, transmission mechanism and automatic top, and the transmission mechanism is linked with generator and automatic top gear respectively.The advantage of the invention is that：It does not have movable part in water, should not only have in general structure beneficial to wind and wave resistance, and can also try one's best few site operation.It can realize long-term, continuous, stable running, greatly reduce cost of labor, closed stabilizing it property of electrification structure is protected, and be a kind of preferable, preferable wave energy generating set of engineering.
Description
Technical field
The present invention relates to novel energy technical field of power generation, and in particular to a kind of marine float based on stem-winder principle is certainly
TRT.
Background technology
As the non-renewable energy resources of fossil energy etc. are gradually used up, in 21 century to the clean energy resource as wave energy etc.
Demand gradually increases.So many wave energy generating sets have been emerged in large numbers, point mechanical, pneumatic type and fluid pressure type.According to statistics, wave
It is using the energy of wave as power generation electric energy that can generate electricity.Ocean wave contains huge energy, can be by by TRT
The energy of wave is converted to the energy of machinery, air pressure or hydraulic pressure, then passes through transmission mechanism, gas-turbine, the hydraulic turbine or oil
Pressure motor drives electrical power generators.The wave energy yield that there is economic value in the whole world is estimated as 1~1,000,000,000 kW.Chinese wave energy
Theoretical reserves are 70,000,000 kW or so.
And mechanical TRT often structure bulky, poor reliability, practicality is not obtained.Two-way hair is carried out by ratchet
The device of electricity all can because of float up and down relative displacement it is smaller, and reduce generating efficiency.
The content of the invention
Present invention aim to the deficiency for existing apparatus, there is provided a kind of marine float based on stem-winder principle
Self-generating device, its is simple in construction, practical, and generating efficiency is high, practical, with an improved traditional oscillating float type
TRT, can make device comparatively fast enter next generating cycle by clockwork.
To achieve the above object, a kind of marine float self-generating device based on stem-winder principle involved in the present invention,
Including installing plate, the installing plate be provided with generator, transmission mechanism and automatic top, the transmission mechanism respectively with generator and
Automatic top gear link.
Further, the generator is provided with generating gear, and the automatic top is provided with top gear, the transmission mechanism
Including changement, spiral power spring storaging energy mechanism and change pulley group, the spiral power spring storaging energy mechanism is nibbled with changement, change pulley group respectively
Close and coordinate, the changement engages cooperation with generating gear, and the change pulley group engages cooperation with top gear.
Further, the changement include from first gear and second gear, the 3rd gear that is meshed and
In 4th gear, the central axial fixation centrally through connecting rod and the 3rd gear of the first gear, the second gear
The heart is also by the central axial fixation of connecting rod and the 4th gear, and the 4th gear engages cooperation with spiral power spring storaging energy mechanism, described
Top gear is engaged with first gear and second gear respectively, and the first gear and second gear are provided with unidirectional needle bearing,
So that top gear rotates the 4th gear and all rotated to same direction anyway.
Further, the spiral power spring storaging energy mechanism includes clockwork spring and the clockwork spring Tension gear used cooperatively with clockwork spring, institute
State clockwork spring Tension gear and engage cooperation with the 4th gear and change pulley group respectively.
Further, escapement is additionally provided with the spiral power spring storaging energy mechanism, the escapement includes what one end was fixed
Escapement lever and the escape wheel engaged with clockwork spring Tension gear, the escapement lever both sides are respectively equipped with banking pin, and the escapement lever is certainly
By end provided with fork watt, the fork watt is used cooperatively with escape wheel.
Further, the change pulley group includes multiple change pulleys engaged successively.
As preference, sliding attachment is additionally provided with the interior axle of the clockwork spring.
As preference, the fixing end of the escapement lever is provided with rotatable double-arc spline and safety finger, and the escapement lever leads to
Safety finger is crossed to be fixed on double-arc spline.
As preference, the escapement lever to be T-shaped, the fixing end of the escapement lever in T-shaped tail end, the fork watt-minute be into
Watt and go out watt, it is described enter watt and go out watt T connector two ends for being separately positioned on escapement lever, the gear teeth of the escape wheel are provided with and fork
Watt tooth impulse face used cooperatively.
As preference, upper spacer, the changement and escapement are additionally provided between the automatic top and changement
Lower clapboard is additionally provided between structure.
The advantage of the invention is that：It does not have movable part in water, should not only have beneficial to wind and wave resistance in general structure, may be used also
Few site operation as far as possible.It can realize long-term, continuous, stable running, greatly reduce cost of labor, closed electrification structure makes
Its stability is protected, and is a kind of preferable, preferable wave energy generating set of engineering.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is scheme of installation of the invention；
Fig. 3 is planar structure schematic diagram of the invention；
Fig. 4 is the principle schematic of changement；
Fig. 5 is the scheme of installation of escapement；
Fig. 6 is the structural representation of escapement；
Fig. 7 is sliding attachment structural representation.
In figure：Installing plate 1, generator 2 are (wherein：Generating gear 2.1), transmission mechanism 3 (wherein：Changement 3.1, company
Bar 3.1a, first gear 3.1.1, second gear 3.1.2, the 3rd gear 3.1.3, the 4th gear 3.1.4, unidirectional needle bearing
3.1.5, spiral power spring storaging energy mechanism 3.2, clockwork spring 3.2.1, clockwork spring Tension gear 3.2.2, sliding attachment 3.2.3, change pulley group 3.3, change
Speed wheel 3.3.1), automatic top 4 (wherein：Top gear 4.1), escapement 5 (wherein：Escapement lever 5.1, fork watt 5.1.1, enter watt
5.1.2, go out a watt 5.1.3, escape wheel 5.2, tooth impulse face 5.2.1, banking pin 5.3, double-arc spline 5.4, safety finger 5.5), upper spacer 6,
Lower clapboard 7.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
A kind of marine float self-generating device based on stem-winder principle as shown in Fig. 1~7, including installing plate 1, it is described
Installing plate 1 provided with generator 2, transmission mechanism 3 and automatic top 4, the transmission mechanism 3 respectively with generator 2 and the tooth of automatic top 4
Wheel link.
The generator 2 is provided with generating gear 2.1, and the automatic top 4 is provided with top gear 4.1, the transmission mechanism 3
Including changement 3.1, spiral power spring storaging energy mechanism 3.2 and change pulley group 3.3, the spiral power spring storaging energy mechanism 3.2 respectively with reversing machine
Structure 3.1, the engagement of change pulley group 3.3 coordinate, and the changement 3.1 engages cooperation, the change pulley group with generating gear 2.1
3.3 engage cooperation with top gear 4.1.The changement 3.1 include from first gear 3.1.1 and second gear 3.1.2,
The 3rd gear 3.1.3 being meshed and the 4th gear 3.1.4, the first gear 3.1.1 centrally through connecting rod 3.1a and
Three gear 3.1.3 central axial fixation, the center of the second gear 3.1.2 is also by connecting rod 3.1a and the 4th gear
3.1.4 central axial fixation, the 4th gear 3.1.4 engages cooperation, the top gear 4.1 with spiral power spring storaging energy mechanism 3.2
Engaged respectively with first gear 3.1.1 and second gear 3.1.2, the first gear 3.1.1 and second gear 3.1.2 are provided with
Unidirectional needle bearing 3.1.5 so that top gear 4.1 rotates the 4th gear 3.1.4 and all rotated to same direction anyway.It is described
Spiral power spring storaging energy mechanism 3.2 includes clockwork spring 3.2.1 and the clockwork spring Tension gear 3.2.2 used cooperatively with clockwork spring 3.2.1, the clockwork spring
Tension gear 3.2.2 engages cooperation with the 4th gear 3.1.4 and change pulley group 3.3 respectively.The change pulley group 3.3 includes multiple
The change pulley 3.3.1 engaged successively.Sliding attachment 3.2.3 is additionally provided with the interior axle of the clockwork spring 3.2.1.
Escapement 5 is additionally provided with the spiral power spring storaging energy mechanism 3.2, the escapement 5 includes the escapement that one end is fixed
Fork 5.1 and the escape wheel 5.2 engaged with clockwork spring Tension gear 3.2.2, the both sides of escapement lever 5.1 are respectively equipped with banking pin 5.3,
The free end of escapement lever 5.1 is used cooperatively provided with fork watt 5.1.1, the fork watt 5.1.1 with escape wheel 5.2.The escapement lever
5.1 fixing end is provided with rotatable double-arc spline 5.4 and safety finger 5.5, and the escapement lever 5.1 is fixed on by safety finger 5.5
On double-arc spline 5.4.The escapement lever 5.1 is T-shaped, and the fixing end of the escapement lever 5.1 is in T-shaped tail end, the fork watt 5.1.1 points
It is described to enter watt 5.1.2 and to go out the T connector two that watt 5.1.3 is separately positioned on escapement lever 5.1 to enter watt 5.1.2 and going out a watt 5.1.3
End, the gear teeth of the escape wheel 5.2 are provided with the tooth impulse face 5.2.1 used cooperatively with fork watt 5.1.1.
Upper spacer 6, the changement 3.1 and escapement 5 are additionally provided between the automatic top 4 and changement 3.1
Between be additionally provided with lower clapboard 7.
When actual use：
The present invention operation principle be：Under the wave action, automatic top 4 is produced skew by gravity and is pivoted, by changing
The reciprocating rotation of top gear 4.1 is converted into the 4th gear 3.1.4 one-directional rotation to mechanism 3.1, then made on clockwork spring 3.2.1
Tightly, the absorption and storage to wave energy are completed.Clockwork spring 3.2.1 is controlled by the raising speed of change pulley group 3.3, and by escapement 5, is made
The energy for obtaining clockwork spring 3.2.1 uniformly discharges, and at the uniform velocity drives generator 2 to operate, and obtains regulated power, completes release and the hair of energy
Electric process.
The principle of changement 3.1：Using two groups of unidirectional needle bearing 3.1.5 and second gear 3.1.2 and the 4th gear
3.1.4 it is engaged, composition bidirectional ratchet changement 3.1.Realize that either top gear 4.1 rotates clockwise or counterclockwise,
Second gear 3.1.2 and the 4th gear 3.1.4 rotation direction will not become, exactly because also this point, makes the two-way of wave
Energy is collected.
The principle of spiral power spring storaging energy mechanism 3.2：The energy collected by automatic top 4 is very unstable, to meet dc generator 2
Continue power generation conditions, the energy storage being collected into is got up by clockwork spring 3.2.1 and exported there is provided stable, certain buffering is played
Effect.Clockwork spring 3.2.1 is used for storage capacity, the problem of sliding attachment 5.2.3 is used to solve after completely chain.Clockwork spring 5.2.1 end
A bit of sliding attachment 5.2.3 is welded with, sliding attachment 5.2.3 length is slightly more longer than going barrel circumference, and than clockwork spring 5.2.1
It is thick hard.Sliding attachment 5.2.3 is coiled in inside going barrel, sliding attachment 5.2.3 has the trend outwards expanded, and then sliding attachment
5.2.3 just clockwork spring 5.21 is fixed as a firm bayonet socket.When the automatic cochain of top 4 is to full chain on clockwork spring 5.2.1
Wait, whole clockwork spring 5.2.1 is more than sliding attachment 5.2.3 expansive force by convergent force, sliding attachment 5.2.3 can thus shunk,
Whole clockwork spring 5.2.1 will be slided backward, and unnecessary energy can be discharged when slip.Etc. unnecessary energy discharge away with
Afterwards, sliding attachment 5.2.3, which reexpands, will fix whole clockwork spring 5.2.1 again.By such particular design, it will make whole
The energy of clockwork spring 5.2.1 storages is maintained at a maximum limit, without departing from this limit.Thus will not be because of more than lotus
Load causes clockwork spring 5.2.1 to be broken.
The principle of escapement 5：Due to clockwork spring 5.2.1 special mechanical property, the power that clockwork spring 5.2.1 tightens offer is got over
Greatly, similarly the clockwork spring 5.2.1 power that relaxation is provided is also smaller, but to drive the stable electric generation of generator 2, is at this moment accomplished by catching
Vertical mechanism 5, carries out stablizing output by hairspring.
The energy come is passed from spiral power spring storaging energy mechanism 3.2, passes through escape wheel 5.2 and fork watt 5.1.1, safety finger 5.5 and double circles
The interaction of disk 5.4 and pass to balance and hair spring system.Escape wheel 5.2 turns clockwise, the tooth impulse face 5.2.1 of escape wheel teeth
The impulse face into watt 5.1.2 is impacted, enters watt 5.1.2 and is lifted up due to this strand of impulse force, according to lever principle, dials left side prong
Dynamic double-arc spline 5.4, starts the movable pendulum wheel rotate counterclockwise with double-arc spline 5.4.As escape wheel 5.2 continues to turn clockwise, catch
Tooth impulse face 5.2.1 sliding frictions on watt 5.1.2 impulse faces are entered of the vertical gear teeth, then will be disengaged from into a watt 5.1.2, this process
In, enter a watt 5.12 continuation stress, upward component makes to lift on watt arm, and a fork watt 5.1.1 right sides are pushed away, and left side prong continues to stir double circles
Disk 5.4.When the tooth impulse face 5.2.1 that escape wheel 5.2 continues to be rotated clockwise to the gear teeth impacts watt 5.1.3 impulse faces and sliding friction
A watt 5.1.3 will be extremely detached, goes out watt 5.1.3 and is lifted upwards by means of this strand of impulse force, right side prong stirs double-arc spline 5.4, escapement is promoted
Turn clockwise.This step with principle above, be also transmission energy, simply one on watt 5.1.2 is entered one
Go out on watt 5.1.3.So, either the tooth of escape wheel 5.2 impact still impacted into watt 5.1.2 impulse faces watts 5.13 impulse face, when
After the completion of one successional action, escape wheel 5.2 has given double-arc spline 5.4 the energy transmission from spiral power spring storaging energy mechanism 3.2.
Because escapement is periodic wobble, so that the uniform rotation of escape wheel 5.2, realizes escapement function.
The principle of change pulley group 3.3：The rear portion connection change pulley group of spiral power spring storaging energy mechanism 3.2 3.3, change pulley group 3.3 is by bidentate
Wheel, which is connected, to be formed, turn arrived the slow rotation lifting of spiral power spring storaging energy mechanism 3.2 by the method amplified layer by layer needed for generator 2
Speed.Change pulley 3.3.1 number is decided by the performance of clockwork spring 3.2.1 in the rotating speed of generator 2 and spiral power spring storaging energy mechanism 3.2.
Finally it is pointed out that above example is only the more representational example of the present invention.It is clear that the invention is not restricted to
Above-described embodiment, can also there is many deformations.All technical spirits according to the present invention are to made for any of the above embodiments any simple
Modification, equivalent variations and modification, are considered as belonging to protection scope of the present invention.
Claims (10)
1. a kind of marine float self-generating device based on stem-winder principle, it is characterised in that：Including installing plate (1), the peace
Fill plate (1) be provided with generator (2), transmission mechanism (3) and automatic top (4), the transmission mechanism (3) respectively with generator (2)
With the link of automatic top (4) gear.
2. a kind of marine float self-generating device based on stem-winder principle according to claim 1, it is characterised in that：Institute
Generator (2) is stated provided with generating gear (2.1), the automatic top (4) is provided with top gear (4.1), the transmission mechanism (3)
Including changement (3.1), spiral power spring storaging energy mechanism (3.2) and change pulley group (3.3), the spiral power spring storaging energy mechanism (3.2) is respectively
Cooperation is engaged with changement (3.1), change pulley group (3.3), the changement (3.1) is engaged with generating gear (2.1) matches somebody with somebody
Close, the change pulley group (3.3) engages cooperation with top gear (4.1).
3. a kind of marine float self-generating device based on stem-winder principle according to claim 2, it is characterised in that：Institute
State changement (3.1) include from first gear (3.1.1) and second gear (3.1.2), the 3rd gear that is meshed
(3.1.3) and the 4th gear (3.1.4), the first gear (3.1.1) centrally through connecting rod (3.1a) and the 3rd gear
The central axial fixation of (3.1.3), the center of the second gear (3.1.2) is also by connecting rod (3.1a) and the 4th gear
The central axial fixation of (3.1.4), the 4th gear (3.1.4) engages cooperation, the top tooth with spiral power spring storaging energy mechanism (3.2)
Wheel (4.1) is engaged with first gear (3.1.1) and second gear (3.1.2) respectively, the first gear (3.1.1) and the second tooth
Take turns (3.1.2) and be provided with unidirectional needle bearing (3.1.5) so that top gear (4.1) rotates the 4th gear (3.1.4) anyway
All rotated to same direction.
4. a kind of marine float self-generating device based on stem-winder principle according to claim 3, it is characterised in that：Institute
Stating spiral power spring storaging energy mechanism (3.2) includes clockwork spring (3.2.1) and the clockwork spring Tension gear used cooperatively with clockwork spring (3.2.1)
(3.2.2), the clockwork spring Tension gear (3.2.2) engages cooperation with the 4th gear (3.1.4) and change pulley group (3.3) respectively.
5. a kind of marine float self-generating device based on stem-winder principle according to claim 4, it is characterised in that：Institute
State and escapement (5) is additionally provided with spiral power spring storaging energy mechanism (3.2), the escapement (5) includes the escapement lever that one end is fixed
(5.1) escape wheel (5.2) and with clockwork spring Tension gear (3.2.2) engaged, escapement lever (5.1) both sides are respectively equipped with spacing
Follow closely (5.3), escapement lever (5.1) free end coordinates provided with fork watt (5.1.1), the fork watt (5.1.1) with escape wheel (5.2)
Use.
6. a kind of marine float self-generating device based on stem-winder principle according to any one in Claims 1 to 5,
It is characterized in that：The change pulley group (3.3) includes multiple change pulleys (3.3.1) engaged successively.
7. a kind of marine float self-generating device based on stem-winder principle according to claim 6, it is characterised in that：Institute
Sliding attachment (3.2.3) is additionally provided with the interior axle for stating clockwork spring (3.2.1).
8. a kind of marine float self-generating device based on stem-winder principle according to claim 7, it is characterised in that：Institute
The fixing end for stating escapement lever (5.1) is provided with rotatable double-arc spline (5.4) and safety finger (5.5), and the escapement lever (5.1) passes through
Safety finger (5.5) is fixed on double-arc spline (5.4).
9. a kind of marine float self-generating device based on stem-winder principle according to claim 8, it is characterised in that：Institute
Escapement lever (5.1) is stated to be T-shaped, the fixing end of the escapement lever (5.1) in T-shaped tail end, the fork watt (5.1.1) be divided into watt
(5.1.2) and go out watt (5.1.3), it is described to enter watt (5.1.2) and to go out the T connector that watt (5.1.3) is separately positioned on escapement lever (5.1)
Two ends, the gear teeth of the escape wheel (5.2) are provided with the tooth impulse face (5.2.1) used cooperatively with fork watt (5.1.1).
10. a kind of marine float self-generating device based on stem-winder principle according to claim 9, it is characterised in that：
Upper spacer (6), the changement (3.1) and escapement are additionally provided between the automatic top (4) and changement (3.1)
(5) lower clapboard (7) is additionally provided between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710313978.7A CN107061122A (en) | 2017-05-05 | 2017-05-05 | A kind of marine float self-generating device based on stem-winder principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710313978.7A CN107061122A (en) | 2017-05-05 | 2017-05-05 | A kind of marine float self-generating device based on stem-winder principle |
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| CN107061122A true CN107061122A (en) | 2017-08-18 |
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ID=59596666
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| CN201710313978.7A Pending CN107061122A (en) | 2017-05-05 | 2017-05-05 | A kind of marine float self-generating device based on stem-winder principle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108639250A (en) * | 2018-05-24 | 2018-10-12 | 武汉理工大学 | A kind of self power generation oceanographic buoy |
| CN109113918A (en) * | 2018-07-16 | 2019-01-01 | 上海电机学院 | A kind of gravity bob float-type wave energy generating set |
| CN109113914A (en) * | 2018-08-24 | 2019-01-01 | *** | High-effect lever-type water turbine |
| CN109323169A (en) * | 2018-09-30 | 2019-02-12 | 安徽职业技术学院 | A kind of historical relic art work opens up old lighting device and its means of illumination |
| CN113206609A (en) * | 2021-04-20 | 2021-08-03 | 大连海事大学 | Friction nanometer power generation device based on flywheel structure |
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| CN109113914B (en) * | 2018-08-24 | 2020-06-16 | *** | High-efficiency lever type water turbine |
| CN109323169A (en) * | 2018-09-30 | 2019-02-12 | 安徽职业技术学院 | A kind of historical relic art work opens up old lighting device and its means of illumination |
| CN109323169B (en) * | 2018-09-30 | 2020-12-29 | 安徽职业技术学院 | Illumination device and illumination method for displaying cultural relics and artworks |
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