CN203851063U - Vibration-type friction power generation device and wave power generation device - Google Patents
Vibration-type friction power generation device and wave power generation device Download PDFInfo
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- CN203851063U CN203851063U CN201420045287.5U CN201420045287U CN203851063U CN 203851063 U CN203851063 U CN 203851063U CN 201420045287 U CN201420045287 U CN 201420045287U CN 203851063 U CN203851063 U CN 203851063U
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The utility model discloses a vibration-type friction power generation device and a wave power generation device. The vibration-type friction power generation device comprises an outer cylinder, an inner cylinder, a sliding friction power generator part and/or a pressing friction power generator part. The inner wall of the outer cylinder and the outer surface of the inner cylinder are respectively coated with a whole-area grid-structure film, and a sliding friction power generator is formed therebetween. When the vibration-type friction power generation device is under the action of external force, relative movement is generated between the outer cylinder and the inner cylinder, friction is generated between the whole-area grid film structures on the outer cylinder and the inner cylinder, and alternating-current power is produced along with transfer of surface charge and flow of external circuit current. The vibration-type friction power generation device not only can be used in the field of wave power generation, but also can be used on land, for example, the device can be hung on the neck of a bird or animal to supply power to position sensors like a GPS to understand the position or migration of the animal, can be hung on a tree or a specific device to collect wind-induced vibration energy, can be placed on a vehicle to detect up-and-down bump of the vehicle, and can be used for collecting energy generated by up-and-down fluctuation of river water.
Description
Technical field
The utility model relates to technical field of power generation, relates in particular to a kind of oscillatory type triboelectricity device and Wave power generation device.
Background technology
Energy problem is one of 21 century and following topmost problem facing.Existing renewable new energy technology has solar cell, wind power generation, fuel cell, biomass energy etc.But these technology exist certain bottleneck, such as transformation efficiency is not high, be subject to the restriction of external environment etc.Vibration is also a kind of Wave energy of the energy that can collect, especially wave, and this energy whole day has, and is not subject to too large impact of environment, is a kind of available large energy.If can collect this part energy by a kind of device of utility model, this will alleviate a lot of local electrical problems, and is a kind of energy of environmental protection.
Utility model content
For solving the aforementioned problems in the prior, the utility model provides a kind of oscillatory type triboelectricity device and Wave power generation device of collecting vibrational energy.
According to an aspect of the present utility model, it provides a kind of oscillatory type triboelectricity device, it is characterized in that, comprising:
Urceolus;
Inner core, it is positioned at urceolus inside;
The first nonrigid connector, it is connected between the first inner bottom of urceolus and the first external bottom end of inner core, and under external force, can make to produce relative sliding between urceolus and inner core;
Slidingtype triboelectricity machine, it is arranged on outer tube inner wall and inner tank theca, generation current during for relative sliding between described inner core and urceolus.
According to another aspect of the present utility model, it provides a kind of Wave power generation device based on oscillatory type triboelectricity device, it is characterized in that, comprising:
The oscillatory type triboelectricity device as described in claim 1-14 any one of the above parallel with one another and/or series connection of 1 or 2;
Seal, is positioned at least one end of each described oscillatory type triboelectricity device urceolus.
In the such scheme the utility model proposes, outer tube inner wall and interior tube outer surface are the rete of gross area lattice structure, form the triboelectricity machine of slidingtype between them.In the time that oscillatory type triboelectricity device is subject to External Force Acting, between urceolus and inner core, can there is relative motion, will there is rubbing action and be attended by the transfer of surface charge and flowing of external current in the gross area grid membrane structure on it, form alternating current.Oscillatory type triboelectricity device not only can be used for seawave power generation field, also can use on land, such as: hang on bird or animal neck and power to position transducers such as GPS to understand the position of animal or migrate; Hang in the tree or on specific device and can collect wind-induced vibrational energy; Be placed on automobile can probe vehicle pitch, collect the energy that river flowing water fluctuates up and down.
Brief description of the drawings
Shown in accompanying drawing, above-mentioned and other object of the present utility model, Characteristics and advantages will be more clear.In whole accompanying drawings, identical Reference numeral is indicated identical part.Deliberately do not draw accompanying drawing by actual size equal proportion convergent-divergent, focus on illustrating purport of the present utility model.
Fig. 1 shows the optional structural representation of the first of oscillatory type triboelectricity device in the utility model embodiment;
Fig. 2 A shows according to one of working method of the oscillatory type triboelectricity device of the utility model embodiment;
Fig. 2 B shows according to two of the oscillatory type triboelectricity device working method of the utility model embodiment;
Fig. 3 shows the planar development schematic diagram of grid membrane structure in the utility model embodiment;
Fig. 4 shows the fundamental diagram of slidingtype triboelectricity machine in the utility model;
Fig. 5 shows the plane outspread drawing of grid membrane structure in another embodiment of the utility model;
Fig. 6 shows the optional structural representation of the second of oscillatory type triboelectricity device in the utility model embodiment;
Fig. 7 shows the third optional structure of oscillatory type triboelectricity device in the utility model embodiment;
Fig. 8 A shows the cutaway view of push type triboelectricity machine the latter half in the utility model embodiment;
Fig. 8 B shows respectively the cutaway view of push type triboelectricity machine the first half in the utility model embodiment;
Fig. 9 shows the schematic diagram of push type triboelectricity machine in the utility model embodiment;
Figure 10 shows the structural representation of zigzag push type triboelectricity machine in the utility model embodiment;
Figure 11 shows the structural representation of oscillatory type triboelectricity device in another embodiment of the utility model;
Figure 12 shows the oscillatory type friction nanometer generating device the utility model proposes is hung on birds or other animal necks, and being formed as position transducer provides the device of electric energy;
Figure 13 shows the structural representation of the vertical vibration type Wave power generation device the utility model proposes;
Figure 14 shows the end view of the Wave power generation device proposing in the utility model preferred embodiment;
Figure 15 shows the top view of the Wave power generation device proposing in the utility model preferred embodiment;
Figure 16 shows the single array structure top view of Wave power generation device in the utility model preferred embodiment;
Figure 17 shows the top view figure of the Wave power generation device proposing in another preferred embodiment of the utility model;
Figure 18 shows the Split type structure schematic diagram of Wave power generation device in the utility model embodiment;
Figure 19 shows in the utility model preferred embodiment the structural representation of oscillatory type triboelectricity device in Wave power generation device;
Figure 20 shows in the utility model above preferred embodiment another structural representation of oscillatory type triboelectricity device in Wave power generation device;
Figure 21 shows in the utility model above preferred embodiment the third structural representation of oscillatory type triboelectricity device in Wave power generation device;
Figure 22 A shows the cutaway view of push type triboelectricity machine the latter half in another embodiment of the utility model;
Figure 22 B shows the cutaway view of push type triboelectricity machine the first half in another embodiment of the utility model;
Figure 23 shows the structural representation of Wave power generation device in another preferred embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Secondly, the utility model is described in detail in conjunction with schematic diagram, and in the time that the utility model embodiment is described in detail in detail, for ease of explanation, described schematic diagram is example, and it should not limit at this scope that the utility model is protected.
The utility model proposes a kind of device that can collect vibrational energy, mainly for application be to collect the Wave energy of wave, this is that a kind of whole day has, and is not subject to too large impact of environment, the continuable large energy.Certainly the utility model device also has a lot of other application, and the close application apparatus of every and this structure or principle is all within the utility model protection range.
Fig. 1 shows the optional structural representation of the first of oscillatory type triboelectricity device in the utility model embodiment.Shown in Figure 1, this triboelectricity device comprises: urceolus 11, inner core 12, the first nonrigid connector 13 and slidingtype triboelectricity machine; Wherein, slidingtype triboelectricity machine comprises: the first sliding friction part and the second sliding friction part that is positioned at inner core 12 outer wall surface that are positioned at urceolus 11 inner wall surface.Urceolus 11 is hollow-core construction, and inner core 12 is positioned at urceolus 11 inside, and its first bottom is connected to the first bottom of urceolus 11 by the first nonrigid connector 13, and inner core 12 can be that hollow-core construction can be also solid construction.Described inner core 12 is under the effect of the elastic-restoring force of the first nonrigid connector 13, and urceolus 11 moves up and down relatively, and sliding friction occurs on the surface of the first sliding friction part and the second sliding friction part in motion process.
Described urceolus 11, inner core 12 materials can, for making it to swim in the rigid material on the water surface, be preferably plastics, steel, the alloys etc. such as steel, alloy or PLA, PVC, ABS, PE, PVC.
Described the first nonrigid connector 13 is preferably spring, can select suitable coefficient of elasticity according to the quality of inner core, ensure that inner core is in vacant state, and inner core can up-down vibration.
Described the first sliding friction part comprises: the ground floor grid membrane structure 21 on outer tube inner wall and the second layer grid membrane structure 22 that is placed in ground floor grid membrane structure medial surface; The second sliding friction part comprises the 3rd layer of grid membrane structure 23 of lip-deep the 4th layer of grid membrane structure (not shown) of inner core and the 4th layer of grid membrane structure outer surface.
Fig. 2 A, 2B show the oscillatory type triboelectricity device working method according to the utility model embodiment.As Fig. 2 A, shown in 2B: when whole Blast Furnace Top Gas Recovery Turbine Unit (TRT) is arranged in vibration, can be similar to and think that this vibration is the simple harmonic motion of dipping and heaving, in the time that Blast Furnace Top Gas Recovery Turbine Unit (TRT) is positioned at the trough of ripple, as a figure in Fig. 2 B, now there is the trend moving upward, also accelerate upwards, urceolus 11 moves upward, because inner core 12 connects urceolus 11 by the first nonrigid connector 13 (being preferably spring), in the time that urceolus 11 moves upward, inner core 12 is also in origin-location, the first nonrigid connector 13 will stretch so, be subject to this stretching action, inner core 12 is upwards accelerated motion also, but acceleration and speed are compared little with the motion state of urceolus 11, therefore between urceolus 11 and inner core 12, will there is relative motion, the relative urceolus 11 of inner core 12 has the down trend of motion, as Fig. 2 A, b figure in 2B, the 3rd layer of grid membrane structure on second layer grid membrane structure 22 on urceolus 11 on the first sliding friction part and inner core 12 on the second sliding friction part 23 occurs to rub and is attended by the transfer of electric charge.
In motion process upwards, urceolus 11 slows down after first upwards accelerating, and the pulling force that inner core 12 is subject to the first nonrigid connector is also to slow down after first upwards accelerating, and the motion of comparing urceolus 11 has delayed action.Therefore urceolus 11 speed is upwards originally large than inner core 12, and the relative urceolus 11 of inner core 12 moves downward; Then, upwards retarded motion of urceolus 11, and inner core does not also have enough time to slow down or deceleration while being less than urceolus 11, make the speed upwards of inner core 12 be greater than the speed of urceolus 11, it is that inner core 12 starts to do return motion that the relative urceolus 11 of inner core 12 up moves, until get back to initial position, as c figure in Fig. 2 A, 2B.
At this moment, urceolus 11 is positioned at crest (as the highest order of wave), as Fig. 2 A, d figure in 2B, urceolus 11 starts down to move, speed is slowed down afterwards for first accelerating downwards, inner core 12 is because effect of inertia has little time to accelerate, therefore the first nonrigid connector is compressed, the power of this compression passes to inner core 12, make inner core 12 also first accelerate to slow down afterwards downwards, but speed does not have the large of urceolus 11, therefore the relative urceolus 11 of inner core 12 moves upward, produce the electric current that rubs and be attended by surface charge transfer and external circuit, then urceolus 11 slows down downwards, inner core 12 is not able to do in time to slow down downwards or deceleration is less than urceolus 11, make the downward speed of inner core 12 higher than urceolus 11, the relative urceolus 11 of inner core 12 moves downward gets back to initial position, as e figure in Fig. 2 B.
Process in the process of fluctuation above circulation, in whole motion process, the difference of speed makes, between inner core 12 and urceolus 11, relative motion to occur, and the relative urceolus 11 of inner core 12 can make second, third layer of grid membrane structure on it occur to rub and be attended by the transfer of surface charge and flowing of external current while having motion.
Fig. 3 shows the planar development schematic diagram of grid membrane structure in the utility model embodiment.As shown in Figure 3, described grid membrane structure comprises the first grid 231, the second grid 232 and connection grid 233 alternately, and described connection grid 233 is for connecting multiple the first grids 231.The width of grid can be centimetre or grade, also can use micro-machined method to reach micron order.Be made up of the material with friction electrode order difference respectively on the surface of the first grid 231 and the second grid 232, can on all or part of surface of the first grid 231 and/or the second grid 232, do physical modification or chemical modification and increase friction area or improve charge transfer effciency.The method of physical modification comprises: form micro-nano structure by variety of way at grid surface, for example, on megohmite insulant grid, do the array of pyramidal sunk structure array or other shapes by micro-machined mode; Use inductively coupled plasma etching method to prepare nano-wire array on megohmite insulant grid, the CONTACT WITH FRICTION area with relative megohmite insulant grid can plated metal nano particle be improved at conductive grid place.The method of chemical modification comprises: be that easier betatopic functional group (strong to electron cloud) is introduced on positive material (being also conductive grid place) surface in polarity, or be the functional group (electrophilic group by force) that negative material surface (being megohmite insulant grid place) is introduced the electronics that is more easy to get in polarity, can both further improve the transfer amount of electric charge at Contact, thereby improve the power output of contact charge density and generator.Comprise to electron cloud by force: amino, hydroxyl, alkoxyl etc.; Electrophilic group comprises by force: acyl group, carboxyl, nitro etc.Another method is chemical modification method, is that positive material surface is introduced positive charge, and is that negative material surface is introduced negative electrical charge in polarity in polarity.Described connection grid 233 materials are metal, and effect is the grid array of connection, conducting conductive grid 231.
Fig. 4 shows the fundamental diagram of slidingtype triboelectricity machine in the utility model.Referring to Fig. 4, urceolus 11 is relative with inner core 12 when static, second layer grid membrane structure 22 is relative with the 3rd layer of grid membrane structure 23 static and contact with each other by surface, and wherein the conductive grid 221 of second layer grid membrane structure 22 is corresponding on locus with the megohmite insulant grid 232 of the 3rd layer of grid membrane structure 23, the megohmite insulant grid 222 of second layer grid membrane structure 22 is corresponding on locus with the conductive grid 231 of the 3rd layer of grid membrane structure 23, correspondingly, the conductive grid 211 of ground floor grid membrane structure 21 and the 4th layer of grid membrane structure 24, 241 on locus respectively with the megohmite insulant grid 222 of second layer grid membrane structure 22 and the 3rd layer of grid membrane structure 23, 232 is corresponding, the megohmite insulant grid 212 of ground floor grid membrane structure 21 and the 4th layer of grid membrane structure 24, 242 on locus respectively with the conductive grid 221 of second layer grid membrane structure 22 and the 3rd layer of grid membrane structure 23, 231 is corresponding, see a figure in Fig. 4.
In the time of inner core and urceolus generation relative motion, as shown in b figure arrow in Fig. 4, second layer grid membrane structure 22 and the 3rd layer of grid membrane structure 23 relative sliding, between conductive grid 231 in megohmite insulant grid 222 and the 3rd layer of grid membrane structure 23 between megohmite insulant grid 232 in conductive grid 221 in the second grid membrane structure 22 and the 3rd layer of grid membrane structure 23, in the second grid membrane structure 22, rub, and between frictional contact surface, form electric charge transfer.Because metal is different with megohmite insulant position in friction electrode order, namely receiving and losing electrons ability difference, makes conductive grid 221 and 231 positively chargeds, and megohmite insulant grid 222 and 232 is electronegative, and the quantity of electric charge equal and opposite in direction of two kinds of electric charges; In producing triboelectric charge, because the electromotive force of the conductive grid 211 and 241 in ground floor and the 4th layer of grid membrane structure is gradually lower than the electromotive force of the conductive grid 221 and 231 in the second layer and the 3rd layer of grid membrane structure, again because metal is conducting medium, therefore the conductive grid 211 and 241 of electronics from ground floor and the 4th layer of grid membrane structure flows to the conductive grid 221 and 231 in the second layer and the 3rd layer of grid membrane structure, form primary current process, referring to b figure small arrow in Fig. 4.
When the conductive grid 221 of second layer grid membrane structure 22, megohmite insulant grid 222 respectively with the megohmite insulant grid 232 of trilamellar membrane structure 23, conductive grid 231 at once, the positive charge that on conductive grid 221 and 231 in the second layer and the 3rd layer of grid membrane structure, rubbing action produces is transferred to the conductive grid 211 and 241 in ground floor and the 4th layer of grid membrane structure completely, referring to c figure in Fig. 4.
In the time that the direction of inner core 12 and urceolus 11 relative motions changes, also be that inner core 12 is while doing return motion, second layer grid membrane structure 22 and the 3rd layer of grid membrane structure 23 rub and are attended by the transfer of surface charge, the electromotive force of the conductive grid 211 and 241 in ground floor and the 4th layer of grid membrane structure is gradually higher than the electromotive force of the conductive grid 221 and 231 in the second layer and the 3rd layer of grid membrane structure, therefore the conductive grid 221 and 231 of electronics from the second layer and the 3rd layer of grid membrane structure flows to the conductive grid 211 and 241 in ground floor and the 4th layer of grid membrane structure, form primary current process, referring to d figure in Fig. 4.
Second layer grid membrane structure 22 and the 3rd layer of grid membrane structure 23 are got back to initial position completely, and positive charge is transferred on the conductive grid 211 and 241 in ground floor and the 4th layer of grid membrane structure completely, referring to e figure in Fig. 3.
It should be noted that the negative electrical charge on megohmite insulant grid can not shift, it can run up to certain saturated concentration.And electric charge on conductive grid can shift, but positive charge total amount also has a saturation value.
In the utility model, conductive grid 211,221,231,241 materials in grid membrane structure 21,22,23,24 are that electric conducting material is as metal, such as Cu, Al etc., megohmite insulant grid 212,222,232,242 is a non-conducting material, and this material and the conductive grid material polarity in friction electrode order has larger difference, and optional insulated gate grid material comprises polytetrafluoroethylene (PTFE), dimethyl silicone polymer (PDMS), polyimides (kapton) etc.
Fig. 5 shows the plane outspread drawing of grid membrane structure in another embodiment of the utility model.As shown in Figure 5, this grid membrane structure comprises: the first film layer 25 and be deposited on spaced grid 26 on its positive and negative two surfaces, and grid 26 on the first film layer 25 tow sides is staggered; Wherein, grid 26 can be to be deposited on the first film layer 25 by magnetron sputtering or other thin-film technique, and the first film layer 25 is megohmite insulant thin layer, it can be the larger insulating material of electronegativity such as poly tetrafluoroethylene (PTFE) or polyimide film (kapton), and grid 26 makes for electric conducting material, as metal etc.Preferably, megohmite insulant film thickness is 25 microns of left and right, the thickness of conductive grid 26 is micron order, because conductive grid thickness is far smaller than megohmite insulant film thickness, think that they are in the same plane so can be similar to, this has also just ensured can be free to slide between the plated film of two these class formations and can not be absorbed in each other in the groove that conductive grid and megohmite insulant film form and going.Similar described in the electric current output principle of the grid membrane structure of this structure and Fig. 4, just no longer describe in detail here.This kind of grid membrane structure is attached to respectively on the outer wall of inner core 12 and the inwall of urceolus 11 or adopts certain technique Direct precipitation on inside and outside barrel, when work, ensure that on inner/outer tube, the film of this kind of structure contacts with each other friction.
Fig. 6 shows the optional structural representation of the second of oscillatory type triboelectricity device in the utility model embodiment.As shown in Figure 6, the structure of this oscillatory type triboelectricity machine is compared the optional structure of the first, increase by the second nonrigid connector, this second nonrigid connector is connected between the second bottom of urceolus 11 and the second bottom of inner core 12, for ensureing that whole Blast Furnace Top Gas Recovery Turbine Unit (TRT) is operated in more stable state, and vibration reaction is to external world sensitiveer.
Fig. 7 shows the third optional structure of oscillatory type triboelectricity device in the utility model embodiment.As shown in Figure 7, the structure of this oscillatory type triboelectricity machine is compared the optional structure of the first has increased push type triboelectricity machine (or claiming contact-type frictional generator), and described push type triboelectricity machine comprises: the first contact friction part 34, the second contact friction part 35; Wherein, described the first contact friction part 34 is insulating thin layer, and the second contact friction part 35 is conductive membrane layer, and the first contact friction part 34 back side contacts are provided with the first conductive layer 33; The first conductive layer 33 and the second contact friction part 35 are separately positioned on first substrate 31 and second substrate 32, and are provided with the 3rd nonrigid connector 36 between first substrate 31 and second substrate 32.Described push type triboelectricity machine can be connected and also can not be connected with inner core 12.In the time not being connected, the relative urceolus of inner core can clash into push type triboelectricity machine while moving downward, makes the first contact friction part 34 and the second contact friction part 35 contact and follow the transfer of electric charge; In the time that inner core is connected with push type triboelectricity machine, second substrate 32 can move along with moving up and down of inner core, and the second contact friction part 35 in motion process on second substrate 32 can contact with the first contact friction part 34.
Fig. 8 A and Fig. 8 B show respectively the cutaway view of push type triboelectricity machine the latter half and the first half in the utility model embodiment.As shown in Figure 8 A and 8 B, the first contact friction part 34 on the first conductive layer 33, the identical circle that is of the second contact friction part 35 shapes, lay respectively at the middle part on first substrate 31 and second substrate 32.The 3rd nonrigid connector 36 comprises four the 3rd nonrigid connectors, lays respectively at the surrounding of the first contact friction part 34 and the second contact friction part 35, and four the 3rd nonrigid connectors connect first substrate 31 and second substrate 32.The location optimization of four the 3rd nonrigid connectors is to be positioned on the cross diagonal angle that passes through the center of circle of circular the first contact friction part 34 or the second contact friction part 35.Those skilled in the art can know, the shape of above-mentioned parts is not limited to circle, can be also square, rectangle, triangle etc.
In the utility model, the 3rd nonrigid connector 36 also can adopt the elastomeric material of pasting a circle around the second contact friction part 35 around on second substrate, for example surround elastic caoutchouc or the spring of the second contact friction part, be used for connecting first substrate 31 and second substrate 32.In the utility model, should not limit protection range of the present utility model for shape and the position of nonrigid connector.
Fig. 9 shows the schematic diagram of (or claiming contact-type frictional generator) of push type triboelectricity machine in the utility model embodiment.As shown in Figure 9, while first substrate 31 or second substrate 32 not being applied to external force, the first contact friction part 34 separates with the second contact friction part 35, sees in Fig. 9 shown in a; Under the effect of external force (shown in arrow), the second contact friction part 35 and the first contact friction part 34 are in contact with one another under external force, in the moment of contact, surface charge occur and shift, and form layer of surface contact electric charge, see in Fig. 9 shown in b.Because the first contact friction part 34 is different in the position rubbing in electrode order from the material of the second contact friction part 35, the first contact friction part 34 surfaces produce negative electrical charges, and the second contact friction part 35 surfaces produce positive charges, and the electric weight size of two kinds of electric charges is identical.In the time that external force disappears, due to the return action of the 3rd nonrigid connector 36, the first contact friction part 34 separates with the second contact friction part 35, produces gap.Due to the existence in gap, the sucking action of the negative electrical charge on the first contact friction part 34 surfaces is greater than the second contact friction part 35 surfaces positive charge to the repulsion force of electronics on the first conductive layer 33 to electronics on the first conductive layer 33.Therefore, electronics will flow to the second contact friction part 35 through external circuit from the first conductive layer 33, and produce positive charge on the first conductive layer 33, shown in the arrow of c in Fig. 9.This process has produced by the transient pulse electric current of external circuit/load.In the time that external force applies once again, under the repulsive force effect of the negative electrical charge on the first contact friction part 34 surfaces, the electronics on the second contact friction part 35 flows back to again the first conductive layer 33 once again, forms the transient current of opposite direction, shown in the arrow of d in Fig. 9.And so forth, form alternating-current pulse electric current.
Preferably the first conductive layer is electric conducting material, simultaneously as an electrode of push type triboelectricity machine, the first conductive layer to material classification without particular/special requirement, the metallic film such as Cu, Al that can adopt the method such as electron beam evaporation or plasma sputtering to prepare.The second contact friction part is electric conducting material, while is as another electrode of generator, the second contact friction part to material classification without particular/special requirement, surface level, smooth metallic film, the metallic film such as Cu, A1 that can adopt the method such as electron beam evaporation or plasma sputtering to prepare.The first contact friction part is a non-conducting material, this material requirements and the second contact friction part polarity in friction electrode order has larger difference, and optional insulating film material includes but not limited to polytetrafluoroethylene film, dimethyl silicone polymer (PDMS) film etc.
In push type triboelectricity machine, first substrate and second substrate adopt non deformable hard material, in the utility model to the material of first substrate and second substrate without particular/special requirement, as long as bearing the rigid material of mechanical shock, such as methacrylate sheet, PE sheet material, PVC sheet material etc.Between first substrate and second substrate, be connected by nonrigid connector and support, while not applying external force on substrate, keep the second contact friction part to separate with the first contact friction part, mutually, leave gap, i.e. generally than the thickness of the first contact friction part large one more than the order of magnitude of the distance between the second contact friction part and the first contact friction part in this gap.Nonrigid connector can adopt one or more springs, elasticity organic substance elastomeric material, the just schematic diagram of a nonrigid connector of the 3rd nonrigid connector 36 in Fig. 7, according to the shape of first substrate, the first conductive layer, the first contact friction part, second substrate or the second contact friction part, determine shape and the position of nonrigid connector.Can adopt multiple springs to be centered around the mode of the surrounding of the first contact friction part.
Nonrigid connector 36 also can adopt the elastomeric material of pasting a circle around the second contact friction part 35 around on second substrate, for example, surround elastic caoutchouc or the spring of the second contact friction part, is used for connecting first substrate and second substrate.In the utility model, should not limit protection range of the present utility model for shape and the position of nonrigid connector.
With grid membrane structure is similar, can on the first contact friction part 34 or the second contact friction part 35, do surface physics modification or chemical modification increases the friction area while pressing above.The method of physical modification comprises: the array that does pyramidal sunk structure array or other shapes by micro-machined mode on the first contact friction part 34; Use inductively coupled plasma etching method to prepare nano-wire array on the first contact friction part 34, the second contact friction part 35 can plated metal nano particle improves the CONTACT WITH FRICTION area with the first contact friction part 34.The method of chemical modification comprises: be that easier betatopic functional group (strong to electron cloud) is introduced on positive material (being also the second contact friction part) surface in polarity, or be the functional group (electrophilic group by force) that negative material surface (i.e. the first contact friction part) is introduced the electronics that is more easy to get in polarity, can both further improve the transfer amount of electric charge at Contact, thereby improve the power output of contact charge density and pressed power-generating machine.Comprise to electron cloud by force: amino, hydroxyl, alkoxyl etc.; Electrophilic group comprises by force: acyl group, carboxyl, nitro etc.Another method is chemical modification method, is that positive material surface is introduced positive charge, and is that negative material surface is introduced negative electrical charge in polarity in polarity.
In such scheme, described push type triboelectricity machine can also be made push type triboelectricity machine array, and multiple described push type triboelectricity machine stacked on top form generating set together.Wherein, in two neighbouring described generators, the first push type triboelectricity machine is positioned on the second push type triboelectricity machine, and wherein, the described second substrate of the first push type triboelectricity machine can be as the described first substrate of the second push type triboelectricity machine; Between multiple described push type triboelectricity machines, form series connection and/or be connected in parallel.Multiple push type triboelectricity machines are superposeed at above-below direction, and will between multiple push type triboelectricity machines, carry out serial or parallel connection, the generating set obtaining like this, compared with single push type triboelectricity machine, can improve the power output of device.
In such scheme, described push type triboelectricity machine can also be made the push type triboelectricity machine of zigzag.As shown in figure 10, zigzag is made up of bending from level to level flexible substrates, can be by a whole block material compacting be formed, restoring force during by material pressurized is realized the separation process of push type triboelectricity machine, and its two ends are relative fixing with inner bottom of urceolus and an external bottom end of inner core respectively.The flexible substrates front of every one deck is the first conductive layer and the first contact friction part, and reverse side is the second contact friction part; Substrate is to be made up of flexible material, can be bending, and material has certain rigidity, and the first contact friction part of two interlayers is relative with the second contact friction part.Operation principle and described push type triboelectricity machine are similar, are not just describing in detail here.The advantage of this structure is to make the array of any number of plies, and makes simply, and power output is large; Different from push type triboelectricity machine noted earlier is that this structure is the restoring force by base material, instead of the restoring force of spring or nonrigid connector.
Zigzag push type triboelectricity machine topmost one deck can be attached on inner core bottom surface, also can not paste thereon, and working method and push type triboelectricity machine noted earlier are similar.
In the utility model, can be the conventional electric conducting materials such as wire, metallic film for deriving the conductive structure of electric current on triboelectricity machine, the electric current output of each several part can become direct current by full bridge rectifier.
Figure 11 shows the structural representation of oscillatory type triboelectricity device in another embodiment of the utility model.As shown in figure 11, in this embodiment, the urceolus of oscillatory type triboelectricity device is square structure, can also be a lot of shapes, such as triangle etc. according to this oscillatory type triboelectricity device of actual application; Taking square as example, can be placed on school bag or clothes, certainly inner core also will be made square structure, on two surface labels of inner core maximum or use coating machine to plate grid membrane structure, also will make this kind of structure on the inwall of corresponding square urceolus largest face.
Oscillatory type triboelectricity device of the present utility model has a lot of application, only gives some instances and is illustrated here, everyly utilizes the application of this structure all within the utility model protection range.
Figure 12 shows the oscillatory type friction nanometer generating device the utility model proposes is hung on birds or other animal necks, and being formed as position transducer provides the device of electric energy.As shown in figure 12, this device comprises connector 41, link 42, lanyard 43 and oscillatory type triboelectricity device.Migrating and treasuring the motion watching for animals of animal is all to need location to follow the tracks of; need to lay in animals the navigation system of similar GPS; but maximum problem is that powerup issue cannot solve; because existing battery all deficiency so that navigation system long-term work; so need a kind of nature energy of collecting; the device of energy continued power, the utility model just can be used as a solution.In birds take off, circle in the air process, have upper and lower fluctuating, this is a kind of energy that can collect, in the process of running of animal, also has similar process, collects this part energy and just can provide electric energy for GPS navigation system.Described connector 41 is preferably cylindrical shape, method by welding is connected with link 42, it can be also the plastics such as alloy or PLA, PVC, ABS, PE, PVC that connector 41 and link 42 materials are preferably steel material, certainly the structure of connector 41 and link 42 is not limited to above narration, as long as ensureing that lanyard 43 can be tied on birds or other animal necks or other positions, the material of lanyard 43 has a variety of selections, can ensure that the material of certain intensity and durability all can.
Figure 13 shows the structural representation of the vertical vibration type Wave power generation device the utility model proposes.As shown in figure 13, urceolus 11 first external bottom end of the oscillatory type triboelectricity device of describing in the above arrange seal cover 15, seal cover 15 and urceolus 11 first exterior base are provided with sealing ring 14, for the distribution of weight of balance Blast Furnace Top Gas Recovery Turbine Unit (TRT), urceolus 11 second external bottom end are connected with weight linear meter 51, the other end of weight linear meter 51 arranges balance weight body 52, to ensure stable across the sea floating of this Blast Furnace Top Gas Recovery Turbine Unit (TRT) monomer.Described weight linear meter 51 can have various shape, is preferably cylindrical shape, and two ends are with external thread structure, and one end is screwed in the internal thread in oscillatory type triboelectricity device urceolus 11 second external bottom end, and one end is screwed in the female thread structure of balance weight body 52; It is spherical that balance weight body 52 also can have a lot of shapes to be preferably, and weight linear meter 51 and balance weight body 52 materials can be the plastics such as steel, alloy or PLA, PVC, ABS, PE, PVC, are preferably stainless steel material.
Preferably, two of urceolus external bottom end all arrange described seal cover 15.
Preferably, described sealing ring 14, between seal cover 15 and urceolus, plays waterproof action.
Preferably, described seal cover 15 is cylindrical, has external thread structure to be convenient on the internal thread of precession urceolus 11 first external bottom end on side, forms the waterproof system of a sealing.Another structure of seal cover is: there is no external thread structure, but be fixed on urceolus by the mode of screw.
Preferably, described seal cover is the plastics such as steel, alloy or PLA, PVC, ABS, PE, PVC.
Preferably, described sealing ring material is preferably the flexible materials such as rubber, and the flexible material of other classes also can.
Preferably, described in the structure and material of weight linear meter and balance weight body is not limited to above, structure can be a lot, as long as can ensure that oscillatory type triboelectricity device swims on the water surface, if very stable weight linear meter, the balance weight body of also can not adding of the center of gravity of self.
Same, the improvement to oscillatory type triboelectricity device noted earlier is also applicable to vertical vibration type Wave power generation device monomer.
Figure 14 shows the end view of the Wave power generation device proposing in the utility model preferred embodiment.Figure 15 shows the top view of the Wave power generation device proposing in the utility model preferred embodiment.As shown in FIG. 14 and 15, Wave power generation device comprises more than one or 2 oscillatory type triboelectricity device 1, described multiple oscillatory type triboelectricity device 1 is connected and/or is formed in parallel by connector 2, described connector 2 is preferably flexible material such as cable wire, or the flexible connection body of hollow is convenient to core placement stube cable (electric energy that single oscillatory type triboelectricity machine can be produced is derived), can certainly be segmented rigid structure.Connector 2 need to have certain intensity can tolerate the impact of wave.Described Wave power generation device can be fixed on seabed or seashore limit by certain device; such as grappling, be fixed on the method on buoy, everyly can ensure that fixture that vertical vibration type Wave power generation device array is stabilized in sea is all within protection range of the present utility model.
Described connector 2 is connected between adjacent two oscillatory type triboelectricity devices.Particularly, the two ends of described connector 2 connect respectively the outer drum outer wall of two adjacent oscillatory type triboelectricity devices, make multiple oscillatory type triboelectricity devices form the Wave power generation device of single array structure.
In addition, for ensureing that described oscillatory type triboelectricity device can be across the sea floating, be fixedly connected with a ball float in urceolus one end of described oscillatory type triboelectricity device, described ball float is connected with the urceolus of oscillatory type triboelectricity device by connecting rod.
Figure 16 shows the single array structure top view of Wave power generation device in the utility model preferred embodiment.As shown in figure 16, this Wave power generation device comprises single interconnective oscillatory type triboelectricity device, and it extends along water (flow) direction, the vibrational energy causing for collecting the dipping and heaving of river flowing water.Certainly the spread pattern of array is not limited only to above two kinds.
Figure 17 shows the top view of the Wave power generation device proposing in another preferred embodiment of the utility model.Figure 18 shows the Split type structure schematic diagram of Wave power generation device in the utility model above-described embodiment.As shown in FIG. 17 and 18, this Wave power generation device comprises multiple oscillatory type triboelectricity devices 3, ball float 4 and connecting rod 5, wherein four oscillatory type triboelectricity devices 3 and a ball float 4 form a Wave power generation device monomer composition, and each Wave power generation device monomer comprises four oscillatory type triboelectricity devices 3 and a ball float 4.Wherein, described ball float 4 is connected with an end of described four oscillatory type triboelectricity device urceolus, and described four oscillatory type triboelectricity devices are symmetrically distributed in the surrounding of ball float 4.Wherein, the urceolus end of described oscillatory type triboelectricity device is fixedly connected with ball float by threaded rod, and four internal thread holes on ball float are positioned at same plane.Ball float 4 can be also solid construction for hollow-core construction, as long as can ensure that Wave power generation device monomer can be across the sea floating, the material of ball float is plastics or steel.Connector 5 is for connecting the connecting rod of oscillatory type triboelectricity device 1, it is preferably flexible material such as cable wire, or the flexible connection body of hollow is convenient to core placement stube cable (electric energy that generating monomer can be produced is derived), and connector 5 can be also segmented rigid structure certainly.Connector 5 need to have certain intensity can tolerate the impact of wave.Wave power generation device array can be fixed on seabed or seashore limit by certain device, such as grappling, be fixed on the method on buoy, everyly can ensure that fixture that Wave power generation device array is stabilized in sea is all within protection range of the present utility model.
Figure 19 shows in the utility model above preferred embodiment the structural representation of oscillatory type triboelectricity device in Wave power generation device.As shown in figure 19, the structure of oscillatory type triboelectricity device also 1 comprises except the parts of introducing above: described in threaded rod 20 and connecting rod 30, connecting rod 30 is arranged on inner core the first inner bottom, and extends to urceolus outside; Described threaded rod 20 one end and urceolus the second external bottom end are threaded connection, and the other end is connected with ball float 4 by screw thread.
Preferably, there is helicitic texture at the two ends of described threaded rod 20, and one end is screwed on generating floating drum, and the other end is screwed on ball float, and every any structure and material that meets above condition is all within the utility model protection range.Connecting rod 30 also can be used as separate unit together with both can having done with inner core, and in the time being separate unit, connecting rod 30 has external thread structure near a side of inner core, and now inner core also has corresponding female thread structure.
Seal cover will do corresponding improvement, needs center to add through-hole structure and hermetically-sealed construction.
Near preferred working method: when the crest of E oscillatory type triboelectricity device 1 in wave, effect lower link 30 movement outward at tensile force is also right direction in Figure 18, connecting rod drives the inner core movement of also turning right, second layer grid membrane structure and the 3rd layer of grid membrane structure contact friction be attended by the transfer between electric charge at this moment slidingtype triboelectricity machine; In push type triboelectricity machine, the first contact friction part separates with the second contact friction part.When near the trough in wave, the active force of stretching disappears, under the effect of nonrigid connector inner core do return motion to the left motion get back to initial position.At this moment in slidingtype triboelectricity machine, second layer grid membrane structure and the 3rd layer of grid membrane structure produce again rubbing action and are attended by the transfer between electric charge; In push type triboelectricity machine, the first contact friction part and the second contact friction part contact and are attended by the transfer of electric charge, it is pointed out that the transfer of electric charge does not need the relative friction between bi-material, are in contact with one another as long as exist.Motion more than repeating under the effect of wave.
Figure 20 shows in the utility model above preferred embodiment another structural representation of oscillatory type triboelectricity device in Wave power generation device.As shown in figure 20, in this structure, generating floating drum does not comprise push type triboelectricity machine, and other structure is identical with above-mentioned the first structure.
Figure 21 shows in the utility model above preferred embodiment the third structural representation of oscillatory type triboelectricity device in Wave power generation device.As shown in figure 21, in this structure, all there is push type triboelectricity machine described oscillatory type triboelectricity device both sides.Be that with the difference of the first structure the nonrigid connector on right side changes push type triboelectricity machine into.In the time being subject to the stretching action of wave, in the push type triboelectricity machine in left side, the first contact friction part separates with the second contact friction part, and nonrigid connector (being preferably spring) stretches; In the push type triboelectricity machine on right side, the first contact friction part contacts with the second contact friction part, nonrigid connector compression.In the time that the tensile force of wave disappears because the return action of spring makes inner core to left movement, left side push type triboelectricity machine medi-spring becomes compressive state from stretching state gradually, the first contact friction part contacts with the second contact friction part surface charge transfer occurs, and in right side push type triboelectricity machine, the first contact friction part separates with the second contact friction part.Also the operating state of push type triboelectricity machine that is the left and right sides is just in time contrary, and now the push type triboelectricity machine on right side need to slightly be changed.
Figure 22 A and Figure 22 B show the latter half of push type triboelectricity machine in another embodiment of the utility model and the cutaway view of the first half.Referring to Figure 22 A and Figure 22 B, because there is connecting rod 30, so need to make pore space structure on push type triboelectricity machine, diameter is more a little bigger than connecting rod 30 a little, is convenient to the motion of connecting rod.
Figure 23 shows the structural representation of Wave power generation device in another preferred embodiment of the utility model.As shown in figure 23, in this structure, do not use ball float, adopt connector to connect adjacent oscillatory type triboelectricity device as cable wire or steel flexible pipe, its one end connects the connecting rod 30 of oscillatory type triboelectricity device, and the other end connects the threaded rod 20 of oscillatory type triboelectricity device; Or oscillatory type triboelectricity device does not arrange threaded rod, connector one end connects connecting rod, and one end directly connects the other end of oscillatory type triboelectricity device.Multiple oscillatory type triboelectricity devices are connected into many rows by this structure, and then form Wave power generation device.Only preferably list these two kinds of structures herein, every only pair array arrangement form improves, and the close behavior of principle is all considered as abuse.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (27)
1. an oscillatory type triboelectricity device, is characterized in that, comprising:
Urceolus;
Inner core, it is positioned at urceolus inside;
The first nonrigid connector, it is connected between the first inner bottom of urceolus and the first external bottom end of inner core, and under external force, can make to produce relative sliding between urceolus and inner core;
Slidingtype triboelectricity machine, it is arranged on outer tube inner wall and inner tank theca, generation current during for relative sliding between described inner core and urceolus.
2. oscillatory type triboelectricity device as claimed in claim 1, it is characterized in that, described slidingtype triboelectricity machine comprises: be positioned at the first sliding friction part and the second sliding friction part that is positioned at inner tank theca surface on outer tube inner wall surface, described the first sliding friction part and/or the second sliding friction part have grid membrane structure.
3. oscillatory type triboelectricity device as claimed in claim 2, is characterized in that, described the first sliding friction part comprises the second layer grid membrane structure in ground floor grid membrane structure and the ground floor grid membrane structure on outer tube inner wall; The second sliding friction part comprises the 3rd layer of grid membrane structure in the 4th layer of grid membrane structure and the 4th layer of grid membrane structure on inner tank theca.
4. oscillatory type triboelectricity device as claimed in claim 3, is characterized in that, described grid membrane structure comprises the first grid, the second grid alternately and connects grid; Described the first grid and the second grid are made up of the material with friction electrode order difference respectively, and described connection grid is used for connecting multiple the first grids.
5. oscillatory type triboelectricity device as claimed in claim 4, it is characterized in that, described the first grid is made up of electric conducting material, described the second grid is made up of megohmite insulant, connecting grid is made up of electric conducting material, the first grid of ground floor grid membrane structure and the 4th layer of grid membrane structure is corresponding with the second grid of second layer grid membrane structure and the 3rd layer of grid membrane structure respectively on locus, the second grid of ground floor grid membrane structure and the 4th layer of grid membrane structure is corresponding with the first grid of second layer grid membrane structure and the 3rd layer of grid membrane structure respectively on locus.
6. the oscillatory type triboelectricity device as described in claim 3-5 any one, is characterized in that, physical modification or chemical modification are carried out in all or part of surface of described grid membrane structure.
7. oscillatory type triboelectricity device as claimed in claim 3, it is characterized in that, described grid membrane structure comprises the first film layer and is deposited on spaced multiple grids on its tow sides, and is positioned at the double-edged multiple grid of the first film layer and is staggered; Described the first film layer and grid are made up of the material with friction electrode order difference respectively.
8. oscillatory type triboelectricity device as claimed in claim 7, is characterized in that, described the first film layer is made up of megohmite insulant, and described grid is made up of electric conducting material.
9. the oscillatory type triboelectricity device as described in claim 1-5,7-8 any one, is characterized in that, this oscillatory type triboelectricity device also comprises:
The second nonrigid connector, it is connected between the second inner bottom of urceolus and the second external bottom end of inner core.
10. oscillatory type triboelectricity device as claimed in claim 6, is characterized in that, this oscillatory type triboelectricity device also comprises:
The second nonrigid connector, it is connected between the second inner bottom of urceolus and the second external bottom end of inner core.
11. oscillatory type triboelectricity devices as described in claim 1-5,7-8,10 any one, is characterized in that, this oscillatory type triboelectricity device also comprises:
At least one push type triboelectricity machine, its between at least one inner bottom of urceolus and at least one external bottom end of inner core, and in the time of urceolus and inner core relative sliding generation current.
12. oscillatory type triboelectricity devices as claimed in claim 6, is characterized in that, this oscillatory type triboelectricity device also comprises:
At least one push type triboelectricity machine, its between at least one inner bottom of urceolus and at least one external bottom end of inner core, and in the time of urceolus and inner core relative sliding generation current.
13. oscillatory type triboelectricity devices as claimed in claim 9, is characterized in that, this oscillatory type triboelectricity device also comprises:
At least one push type triboelectricity machine, its between at least one inner bottom of urceolus and at least one external bottom end of inner core, and in the time of urceolus and inner core relative sliding generation current.
14. oscillatory type triboelectricity devices as claimed in claim 11, is characterized in that, described push type triboelectricity machine comprises:
Zigzag flexible base, board, its two ends are relative fixing with inner bottom of urceolus and an external bottom end of inner core respectively;
The first contact friction part, it is arranged on the part surface of described zigzag flexible base, board;
The second contact friction part, it is arranged on the part surface of described zigzag flexible base, board, and face-to-face with described the first contact friction part;
Wherein, can there is deformation in described zigzag flexible base, board under external force, makes the first contact friction part and the second be in contact with one another-separating action of contact friction part, and generation current.
15. oscillatory type triboelectricity devices as described in claim 12 or 13, is characterized in that, described push type triboelectricity machine comprises:
Zigzag flexible base, board, its two ends are relative fixing with inner bottom of urceolus and an external bottom end of inner core respectively;
The first contact friction part, it is arranged on the part surface of described zigzag flexible base, board;
The second contact friction part, it is arranged on the part surface of described zigzag flexible base, board, and face-to-face with described the first contact friction part;
Wherein, can there is deformation in described zigzag flexible base, board under external force, makes the first contact friction part and the second be in contact with one another-separating action of contact friction part, and generation current.
16. oscillatory type triboelectricity devices as claimed in claim 11, is characterized in that, a contact friction part of described push type triboelectricity machine is relative with inner core fixing.
17. oscillatory type triboelectricity devices as claimed in claim 11, is characterized in that, described push type triboelectricity machine is more than 2.
18. oscillatory type triboelectricity devices as claimed in claim 17, is characterized in that, described 2 above push type triboelectricity machines are arranged in array structure.
19. 1 kinds of Wave power generation devices based on oscillatory type triboelectricity device, is characterized in that, comprising:
The oscillatory type triboelectricity device as described in claim 1-18 any one of the above parallel with one another and/or series connection of 1 or 2;
Seal, is positioned at least one end of each described oscillatory type triboelectricity device urceolus.
20. a kind of Wave power generation devices as claimed in claim 19, is characterized in that, described seal is fixed on described urceolus end by screw thread or screw.
21. Wave power generation devices as described in claim 19 or 20, is characterized in that, described seal comprises seal cover and sealing ring, and described seal cover is that rigid material is made, and described sealing ring is made up of flexible material.
22. Wave power generation devices as described in claim 19-or 20, is characterized in that, the outside of described urceolus one end is also provided with counterweight.
23. Wave power generation devices as described in claim 19 or 20, is characterized in that,
Series connection and/or described oscillatory type triboelectricity device in parallel are more than 2, and connect by the first connector between adjacent 2 described oscillatory type triboelectricity devices.
24. Wave power generation devices as claimed in claim 23, it is characterized in that, described Wave power generation device also comprises the first ball float, and it is connected to one end of described urceolus, described the first connector is flexible connecting member, and it is fixedly connected with the outer drum outer wall of adjacent oscillatory type triboelectricity device.
25. Wave power generation devices as claimed in claim 23, is characterized in that, described the first connector comprises the second ball float and connector; Wherein, described the second ball float connects one end of multiple oscillatory type triboelectricity devices by threaded rod, the described inner core end of the other end of described oscillatory type triboelectricity device is fixed with connecting rod, and extend at least in part the outside of urceolus, on adjacent two oscillatory type triboelectricity devices, fixing connecting rod connects by connector.
26. Wave power generation devices as claimed in claim 25, is characterized in that, are connected to multiple oscillatory type triboelectricity devices on the second ball float symmetrical.
27. Wave power generation devices as claimed in claim 23, is characterized in that, described the first connector is flexible connecting member, and it connects adjacent oscillatory type triboelectricity device by being arranged on the connecting rod of described urceolus end.
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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