CN102882424A - Vibration power generating device and manufacturing method thereof - Google Patents
Vibration power generating device and manufacturing method thereof Download PDFInfo
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- CN102882424A CN102882424A CN 201210317010 CN201210317010A CN102882424A CN 102882424 A CN102882424 A CN 102882424A CN 201210317010 CN201210317010 CN 201210317010 CN 201210317010 A CN201210317010 A CN 201210317010A CN 102882424 A CN102882424 A CN 102882424A
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Abstract
The invention discloses a vibration power generating device. The device comprises a bracket, an elastic plate, conductive welding needles and power generating parts, wherein a cavity is formed in the bracket, and one end of the cavity is provided with an opening; the elastic plate is arranged at the opening of the cavity, so that the cavity supports the edge of the elastic plate; a quality block is arranged in the center of the elastic plate; and the power generating parts comprise one or a combination of two or more than two of the parts, namely a piezoelectric part, a magnetoelectricity part, an electrostatic part and an electret part. By the device, a plurality of kinds of relatively independent output power are integrated to output electricity, long-term reliable autonomous power is provided for a micro-nano system, service life of the device is prolonged, and the device has high power generating efficiency and small size, and is low in cost, economic and environment-friendly; and in addition, the elastic plate drives the quality block to move along the vertical direction of the elastic plate when vibrating, and the power generating efficiency is high. The invention also discloses a manufacturing method for the vibration power generating device.
Description
Technical field
The invention belongs to little energy technology field, be specifically related to the high shaking generating set of a kind of generating efficiency.
Background technology
Fast development and the application of minute mechanical and electrical system (MEMS, NEMS) technology, driven the development of technology of wireless sensing network, and progressively realized commercial applications in industry, space flight, communication, commerce, consumption and military field, but still face a very serious problem, how to ensure that namely the electric energy of these wireless sensing units and mobile communication equipment is supplied with.The way that traditional industry is comparatively popular is to use battery, because it is huge to consist of the unit component quantity of radio sensing network and mobile communication equipment, volume is small, and the position disperses, and this just requires, and its power supply device has that volume is little, usefulness is high, easy of integration, unattended operation and the characteristics such as need not change.So, adopt conventional batteries can not satisfy the demand for development of radio sensing network and mobile communication equipment.
Therefore need a kind of miniature power generating device that the micro-nano system provides confession electric energy reliably and with long-term that can be, by the mechanical energy in the absorbing environmental (as vibrations, wind energy, air flow energy etc.) and/or heat energy, solar energy, electrostatic energy etc., thereby in its corresponding system, produce electric power output, and existing miniature power generating device generally comprises the piezoelectric shock Blast Furnace Top Gas Recovery Turbine Unit (TRT), magnetoelectricity shaking generating set or static shaking generating set, yet often will shake medium in this class Blast Furnace Top Gas Recovery Turbine Unit (TRT) is contained on the cantilever beam, like this, often because the displacement that cantilever bending produces is little, so that the generating effect is limited, and cantilever beam is also size-constrained so that the vibrations medium, especially so that the piezoelectric patches limited size in the piezoelectric shock generating affects generating efficiency.
Therefore, be badly in need of the high miniature power generating device of a kind of generating efficiency.
Summary of the invention
The purpose of this invention is to provide a kind of shaking generating set, this shaking generating set can adopt difference or various ways generating, and generating efficiency is high.
Another object of the present invention provides a kind of manufacture method of shaking generating set, and the manufacture method of this shaking generating set can produce and can adopt difference or various ways generating, and the high shaking generating set of generating efficiency.
To achieve these goals, shaking generating set provided by the invention comprises support, elastic plate, conduction capillary and generating parts, and described support has cavity, and an end of this cavity has opening; Described elastic plate is installed on the opening part of described cavity and makes described cavity support the week edge of described elastic plate, and the center of described elastic plate is equipped with a mass, described elastic plate moves along the direction of vertical described elastic plate with described mass when being given a shock, and described cavity provides space for described elastic plate and mass; Described conduction capillary has two and be installed on the described support at least; Described generating parts comprise, two or more combination in piezoelectric part, magneto-electronic component, static parts and the electret parts; Wherein, described piezoelectric part comprises the piezoelectric patches of being located on the described elastic plate, and described piezoelectric patches and described conduction capillary are electrically connected to export electric energy; Described magneto-electronic component comprises at least one group of winding coil and the described mass of being located on the described cavity, and described mass is magnet, and described winding coil and described conduction capillary are electrically connected to export electric energy; Described static parts comprise to be located in the described cavity and around the first conducting film of described mass be located in the described cavity and with second conducting film of certain spacer ring around described the first conducting film, described the second conducting film and described conduction capillary are electrically connected to export electric energy; Described electret parts comprise to be located in the described cavity and around the first polarized film of described mass be located in the described cavity and with second polarized film of certain spacer ring around described the first polarized film, described the second polarized film and described conduction capillary are electrically connected to export electric energy.
Compared with prior art, on the one hand, can not or be not easy to adopt wired power supply maybe can't realize the electronic system of battery charging or refuel for wireless sensing unit and device, portable set, implantation or distributed system etc. are many, shaking generating set of the present invention can pass through the self-powered pattern, solve its energy resource supply problem, met the requirement of technology of wireless sensing network development.On the other hand, the generating parts of shaking generating set of the present invention can comprise piezoelectric part, magneto-electronic component, in static parts and the electret parts one, two or more combinations, therefore the present invention can integrate supplying power for outside by the output power that these are relatively independent, by the mechanical energy in the absorbing environmental (as vibrations, wind energy, air flow energy etc.), electrostatic energies etc. produce electric power output, for the micro-nano system provides the electric energy of confession reliably and with long-term, prolonged the useful life of device, greatly improved generating efficiency, reduced cost, simultaneously also so that this device has microminaturization, lightweight characteristics, and have economy, safety, the characteristics of environmental protection.Again on the one hand, the edge of described elastic plate is supported on the cavity of described support, be given a shock or when moving described elastic plate and described mass along its movement in vertical direction (axial motion), it is effective to generate electricity, and in piezo-electric generating, can effectively increase the area of piezoelectric patches, generating efficiency is high.
Preferably, described cavity is open column shape.
Preferably, described shaking generating set also comprises the resistance system that is installed on described inside cavity, described resistance system provides resistance to described elastic plate when described elastic plate is crooked back and forth, be that described resistance system provides thrust upwards to described elastic plate when described elastic plate is bent downwardly, when described elastic plate is bent upwards, provide downward pulling force to described elastic plate.Like this, elastic belt kinoplaszm gauge block is along the direction vertical tremor of vertical elastic plate when being given a shock, when elastic plate bends downward into the limit inferior position, described resistance system provides thrust upwards to described elastic plate, prevent displacement component and damaged elastic plate and piezoelectric patches, otherwise, when elastic plate bends upwardly to the limes superiors position, described resistance system provides downward pulling force to form a resonant cavity to described elastic plate, this simple harmonic vibration is so that described mass drives described elastic plate and piezoelectric patches back and forth shakes, thereby constantly to system power supply.
Particularly, the cavity lower end of described support is equipped with base, and described resistance system comprises described mass, and this mass is the first magnet piece, described resistance system also comprises the second magnet piece that is installed on the described base, and described the first magnet piece is identical with described the second magnet piece opposite face polarity.Elastic belt kinoplaszm gauge block is along the direction vertical tremor of vertical elastic plate when being given a shock, when elastic plate bends downward into the limit inferior position, repulsion between described the first magnet piece and the second magnet piece provides thrust upwards to described elastic plate, prevent displacement component and damaged elastic plate and piezoelectric patches, otherwise, when elastic plate bends upwardly to the limes superiors position, described the first magnet piece provides downward pulling force to form a resonant cavity by self gravitation to described elastic plate, this simple harmonic vibration is so that described the first magnet piece drives described elastic plate and piezoelectric patches back and forth shakes, thereby constantly to system power supply.
More specifically, being equipped with on the described base increases the starting of oscillation spring that support plays action potential, and when vibrations occured, the starting of oscillation spring had increased the action potential that rises of support and shaking generating set.If the generating parts comprise piezoelectric part, the first magnet piece that is placed in during the vibrations generation on the elastic plate drives elastic plate along its vertical vibration, produces deformation thereby drive piezoelectric patches, and piezoelectric patches i.e. outside output electric energy.If the generating parts comprise magneto-electronic component, when vibrations occur the first magnet piece in cavity along elastic plate vertical direction vertical tremor, be mounted with winding coil on the support, according to the law of electromagnetic induction, the motion of the first magnet piece is so that coil also produces induced current and outwards output, simultaneously, the starting of oscillation spring on the base promotes support and the relative magnetic oscillator of winding coil (being comprised of the first magnet piece and the second magnet piece) counter motion, has also increased its output voltage.
Preferably, described winding coil comprises serial or parallel connection the first coil and the second coil together, and described the first coil is opposite with direction of winding on described the second coil, the first magnet piece in cavity along elastic plate vertical direction up-down vibration, so that the first coil produces induced current and output, this induced current also so that the magnetic flux in the first coil change, also respond to the magnetic flux of this variation and be positioned at the first magnet piece than far-end and with contiguous the second coil of the first coil, thereby self also producing induced current and output, therefore, further increase the output voltage of magnetoelectricity generating.
Preferably, described winding coil comprises serial or parallel connection the first coil and the second coil together, and described the first coil is identical with the direction of winding of described the second coil, and is identical with a upper scheme, and this scheme has further increased the output voltage of magnetoelectricity generating.
Preferably, described elastic plate is made by elastomeric material, and when described shaking generating set was subject to mechanical movement or vibrations, described elastic plate shook thereupon or resonates.
Preferably, described elastic plate is laminar, have central active region, around at least one elastic arm of described central active region and around the support portion, outer of described elastic arm, between described central active region, elastic arm and the support portion, outer certain gap is arranged all, be distributed with supporting bridge in the described gap to connect adjacent central active region, elastic arm and support portion, outer, the support portion, outer of described elastic plate is installed on the described support.
Particularly, described elastic arm has several, and certain gap is all arranged between the adjacent elastic arm, is distributed with supporting bridge in the described gap to connect adjacent elastic arm.
Particularly, the supporting bridge in the adjacent segment is interspersed along described central active region.
Particularly, described piezoelectric patches is corresponding with described elastic plate-shaped, and the interior edge of described piezoelectric patches is positioned at the central active region of described elastic plate, and the outer of described piezoelectric patches is positioned at the support portion, outer of described elastic plate.
Preferably, the outer surface of described support is provided with a capillary positioning seat, and described capillary positioning seat has at least two location holes, and described conduction capillary correspondence is installed in the described location hole, is convenient to conduct electricity the installation of capillary.
Preferably, the outside of described piezoelectric patches also is enclosed with at least one matrix.
Preferably, described piezoelectric patches has at least two conductive layers and is sandwiched in two piezoelectric layers between the conductive layer.
Particularly, comprise that a through hole, described through hole run through two piezoelectric layers of described piezoelectric patches in the middle of the described piezoelectric patches.Described through hole can absorb stress, prevents that described piezoelectric patches from breaking in the vibrations process.
Particularly, the piezoelectric layer of described piezoelectric patches week of partly being deposited on described piezoelectric patches along and be formed centrally therein a space.
Particularly, the piezoelectric layer of described piezoelectric patches be deposited on the whole surface of described piezoelectric patches and week that its at least one electrode layer partly is deposited on described piezoelectric patches along so that the intermediate position forms a space.
Preferably, described piezoelectric piece bonding is on the surface of described elastic plate.
Preferably, described piezoelectric patches is deposited on the surface of described elastic plate.
Preferably, described piezoelectric patches is for having lead piezoelectric ceramics lead zirconate titanate (PZT) piezoelectric patches, PMN-PT (PMN-Pt) piezoelectric patches, leadless piezoelectric ceramics barium titanate (BT) leadless piezoelectric ceramics or niobate lead-free piezoelectric ceramics niobium nickel acid potassium (KNN) piezoelectric patches.
Preferably, described piezoelectric patches is individual layer PZT piezoelectric patches or multilayer PZT piezoelectric patches.
Preferably, described piezoelectric patches is overall structure PZT piezoelectric patches or is formed by connecting by the radially-arranged strip PZT of multi-disc piezoelectric patches.
Preferably, described piezoelectric patches thickness is 1 to 100 micron.
Preferably, described generating parts comprise static parts and electret parts, and described the second conducting film and described the first polarized film to share be a conductive layer.
Preferably, described generating parts comprise static parts and electret parts, and described the first conducting film and described the second polarized film to share be a conductive layer.
Wherein, described elastic plate is by metal material such as stainless steel, nonmetallic materials such as plastics, and metal oxide such as aluminium oxide, nonmetal oxide such as silicon dioxide, ceramic material or composite material consist of.
The manufacture method of shaking generating set provided by the invention for the manufacture of described shaking generating set, comprises the steps:
One elastic plate is provided, at the center of described elastic plate one mass is installed;
One support is provided, and described support has cavity, and this cavity one end has opening, described elastic plate is installed on the opening part of described cavity and makes described cavity support the week edge of described elastic plate; And
At described support at least two conduction capillaries are installed;
During the manufacture method of described shaking generating set is further comprising the steps of any, two or more combination:
Steps A: at described elastic plate piezoelectric patches is set, and described piezoelectric patches and conduction capillary are electrically connected;
Step B: at described cavity at least one group of winding coil is set, described mass is magnet, and winding coil and conduction capillary are electrically connected;
Step C: the first conducting film around described mass is set in described cavity, in described cavity, arranges with second conducting film of certain spacer ring around described the first conducting film, described the second conducting film and described conduction capillary are electrically connected;
Step D: the first polarized film around described mass is set in described cavity, in described cavity, arranges with second polarized film of certain spacer ring around described the first polarized film, described the second polarized film and described conduction capillary are electrically connected.
Preferably, the manufacture method of described shaking generating set also comprises step: in described inside cavity one resistance system is installed, described resistance system provides resistance to described elastic plate when described elastic plate is crooked back and forth.
Particularly, described mass is the first magnet piece, described step of one resistance system being installed in described inside cavity comprises: in described cavity lower end one base is installed, the second magnet piece is provided, described the second magnet piece is installed on the described base, and makes described the first magnet piece identical with described the second magnet piece opposite face polarity.
Preferably, described step D comprises the step that forms the first polarized film and the second polarized film, be specially: outside described mass, in the cavity, two-layer relative teflon membrane is set, on the relative one side of two teflon membranes, plate respectively one deck conducting film, the teflon membrane that is coated with conducting film is formed the first polarized film and the second polarized film after through the high voltage electric field electret.
Description of drawings
Fig. 1 is the stereogram of piezoelectric shock Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present invention.
Fig. 2 is the three-dimensional exploded view of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in the first embodiment of the invention.
Fig. 3 is the three-dimensional exploded view of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in the second embodiment of the invention.
Fig. 4 is the three-dimensional exploded view of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in the third embodiment of the invention.
Fig. 5 is the three-dimensional exploded view of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in the fourth embodiment of the invention.
Fig. 6 is the three-dimensional exploded view of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in the fifth embodiment of the invention.
Fig. 7 is the three-dimensional exploded view of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in the sixth embodiment of the invention.
Fig. 8 is the cutaway view of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in the seventh embodiment of the invention.
Fig. 9 is the cutaway view of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in the eighth embodiment of the invention.
Figure 10 is the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in ninth embodiment of the invention part schematic diagram.
Figure 11 is the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of piezoelectric shock described in tenth embodiment of the invention part schematic diagram.
Figure 12 is the stereogram of the elastic plate of piezoelectric shock Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present invention.
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized purpose and effect, below in conjunction with execution mode and cooperate that accompanying drawing is detailed to give explanation.
With reference to figure 1 and Fig. 2, showed the first embodiment of shaking generating set of the present invention.This shaking generating set 100 comprises support 11, elastic plate 12, conduction capillary 13, generating parts and resistance system, and described support 11 has cavity 111, and an end of this cavity 111 has opening; Described elastic plate 12 is installed on the opening part of described cavity 111 and makes described cavity 111 support the week edge of described elastic plate 12, and the center of described elastic plate 12 is equipped with a mass 151, and described mass 151 drives described elastic plate 12 along moving perpendicular to the direction of elastic plate 12 during vibrations; Described conduction capillary 13 has two and be installed on the described support 11; Described resistance system is installed in the described support 11, and connects described elastic plate 12, provides resistance to described elastic plate 12 when described elastic plate 12 is crooked back and forth.Described generating parts comprise piezoelectric part 14, and described piezoelectric part 14 comprises the piezoelectric patches 41 of being located on the described elastic plate 12, and described piezoelectric patches 41 is electrically connected to export electric energy with described conduction capillary 13.When shaking generating set 100 of the present invention is positioned on mobile electronic product or the terminal, movement along with mobile electronic product or terminal, resonance can occur thereby drive piezoelectric patches 41 to produce deformation in the elastic plate 12 of described piezoelectric shock Blast Furnace Top Gas Recovery Turbine Unit (TRT) 100, the deformation meeting of piezoelectric patches 41 makes it produce piezoelectricity output, like this, because the repeatedly vibrations of elastic plate 12 and piezoelectric patches 41, just be able to continuously the generation output voltage, thereby electric energy is provided or repeatedly charges to its battery to mobile electronic product or terminal.
With reference to figure 1 and Fig. 2, described cavity 111 is open column shape.
With reference to figure 2, described support 11 lower ends are equipped with base 113, and described resistance system comprises mass 151 and the second magnet piece 152, and mass is the first magnet piece 151, and the first magnet piece 151 is identical with described the second magnet piece 152 opposite face polarity.When elastic plate 12 vibrations, when elastic plate 12 bends downward into the limit inferior position under the Action of Gravity Field of the first magnet piece 151, magnetic field repulsive force can promote the first magnet piece 151 and move upward, prevent displacement component and damaged elastic plate 12 and piezoelectric patches 41, otherwise, when elastic plate 12 bends upwardly to the limes superiors position, described elastic plate 12 can stop it to continue to move upward under the Action of Gravity Field of the first magnet piece 151, thereby to form a simple harmonic vibration so that described elastic plate 12 back and forth shake, because this simple harmonic vibration is so that described mass 151 drives described elastic plates 12 and piezoelectric patches 51 back and forth shakes, thereby constantly to system power supply.Certainly, described resistance system also can directly be made of extension spring.
Continuous please refer to Fig. 1 and Fig. 2, the outer wall of described support 11 is provided with a capillary positioning seat 112, is provided with two location holes in the described capillary positioning seat 112, and described conduction capillary 14 correspondences are installed in the described location hole.Described piezoelectric patches 41 is electrically connected to export electric energy with described conduction capillary 13.
With reference to figure 2 and Figure 11, described elastic plate 12 is laminar, have central active region 121, around the elastic arm 122 of described central active region 121 and around the support portion, outer 123 of described elastic arm 122, between described central active region 121, elastic arm 122 and the support portion, outer 124 certain gap 125 is arranged all, be distributed with supporting bridge 124 in the described gap 125 to connect adjacent central active region 121, elastic arm 12 and support portion, outer 123.
Continuation is with reference to figure 2 and Figure 11, and the elastic arm 122 of elastic plate 12 has four, between the adjacent elastic arm 122 certain gap 125 is arranged all, is distributed with supporting bridge 124 in the described gap 125 to connect adjacent elastic arm 122.Supporting bridge 124 in each gap 125 has two.Supporting bridge in the same gap 125 evenly distributes along described central active region 121, and 125 supporting bridge 124 is interspersed along described central active region 121 in the adjacent segment 125.Certainly, described elastic arm 122 also can be one, two, three or other numbers, and supporting bridge 124 also can increase and decrease according to actual requirement.This structure of this elastic plate 12 can shake along its vertical direction it when receiving external force, thereby the piezoelectric patches 41 that drives on it shakes along its vertical direction, remain valid deformation and vibrations, and the mechanical energy conversion efficiency is high, improves generating efficiency.Moreover elastic plate of the present invention 12 is simple in structure, and volume is little, thin thickness, usefulness height and cost are low.
With reference to figure 2, described piezoelectric patches 41 is located at the surface of described elastic plate 12, and has at least two conductive layer (not shown), is sandwiched in two piezoelectric layer (not shown) between the conductive layer.Continuation is with reference to figure 2, and described piezoelectric patches 41 is corresponding with described elastic plate 12 shapes, and the interior edge of described piezoelectric patches 41 is positioned at the central active region 121 of described elastic plate 12, and the outer of described piezoelectric patches 41 is positioned at the support portion, outer 123 of described elastic plate 12.Comprise that a through hole 42, described through hole 42 run through the top and the nethermost conductive layer of described piezoelectric patches 41 in the middle of the described piezoelectric patches 41, described through hole 42 can absorb stress, prevents that described piezoelectric patches 41 from breaking in the vibrations process.
The preferably, described elastic plate 12 is made by elastomeric material, and when described shaking generating set 100 was subject to mechanical movement or vibrations, described elastic plate 12 shook thereupon or resonates.
The preferably, described elastic plate 12 is by metal material such as stainless steel, nonmetallic materials such as plastics, metal oxide such as aluminium oxide and nonmetal oxide such as silicon dioxide or ceramic material consist of, and the material of elastic plate 12 is not limited to material listed in the application documents.
The preferably, the outside of described piezoelectric patches 41 also is enclosed with at least one matrix.
The preferably, the week that the piezoelectric layer of described piezoelectric patches 41 partly is deposited on described piezoelectric patches 41 along and be formed centrally therein a space.
The preferably, the piezoelectric layer of described piezoelectric patches 41 be deposited on the whole surface of described piezoelectric patches 41 and week that its at least one electrode layer partly is deposited on described piezoelectric patches 41 along so that the intermediate position forms a space.
The preferably, described piezoelectric patches 41 is bonded in the surface of described elastic plate 12.
The preferably, described piezoelectric patches 41 is deposited on the surface of described elastic plate 12.
The preferably, described piezoelectric patches 41 is for having lead piezoelectric ceramics lead zirconate titanate (PZT) piezoelectric patches, PMN-PT (PMN-Pt) piezoelectric patches, leadless piezoelectric ceramics barium titanate (BT) leadless piezoelectric ceramics or niobate lead-free piezoelectric ceramics niobium nickel acid potassium (KNN) piezoelectric patches.
The preferably, described piezoelectric patches is individual layer PZT piezoelectric patches or multilayer PZT piezoelectric patches.
The preferably, described piezoelectric patches comprises overall structure PZT piezoelectric patches or is connected into by the radially-arranged strip PZT of multi-disc piezoelectric patches and forms.
The preferably, described piezoelectric patches 41 thickness are 1 to 100 micron.With reference to figure 3, showed the second embodiment of shaking generating set of the present invention.This shaking generating set 101 from the shaking generating set 100 different persons of the first embodiment is: described generating parts also include magneto-electronic component 15 when comprising piezoelectric part 14.With reference to figure 3, described magneto-electronic component 15 comprises winding coil 51 and the described mass 151 of being located at described cavity 111 inner surfaces, and described mass 151 is magnet, and described winding coil 51 is electrically connected to export electric energy with described conduction capillary 13.When vibrations occur, elastic plate 12 is bent downwardly under the Action of Gravity Field of the first magnet piece 151, during to the limit inferior position, magnetic field repulsive force can promote the first magnet piece 151 and move upward, prevent displacement component and damaged elastic plate 12 and piezoelectric patches 41, otherwise, when elastic plate 12 bends upwardly to the limes superiors position, described elastic plate 12 can stop it to continue to move upward under the Action of Gravity Field of the first magnet piece 151, thereby to form a simple harmonic vibration so that described elastic plate 12 back and forth shake, the moving piezoelectric patches of the reciprocal shattering zone of elastic plate 12 produces deformation, thus output voltage; Again since the first magnet piece in cavity 111 along elastic plate 12 vertical direction up-down vibration, be mounted with winding coil 51 on the support 11, described winding coil 51 is electrically connected with described conduction capillary 13, according to the law of electromagnetic induction, the motion of the first magnet piece 151 is so that winding coil 51 also produces the induced current of alternation and outwards output, like this, the embodiment of the invention provides piezoelectricity and magnetoelectricity economic benefits and social benefits to answer electric energy output.Certainly, described winding coil 51 also can be arranged at the outer surface of described cavity 111.Described winding coil 51 comprises one or more groups.
With reference to figure 4, showed the 3rd embodiment of shaking generating set of the present invention.This shaking generating set 102 from the shaking generating set 100 different persons of the first embodiment is: described generating parts also include static parts 16 when comprising piezoelectric part 14.With reference to figure 4, described static parts 16 comprise the first conducting film 61 that is around in described mass 151 outer surfaces and are located at described cavity 111 inner surfaces and with second conducting film 62 of certain spacer ring around described the first conducting film 61, and form an electrostatic field between described the first conducting film 61 and the second conducting film 62, described the second conducting film 62 is electrically connected with described conduction capillary 13, when vibrations occur, the first magnet piece 151 drives described elastic plate 12 and piezoelectric patches 41 back and forth vibrations in resonant cavity, piezoelectric part 14 outside output voltages; Simultaneously, because the first conducting film 61 of static parts 16 is around in described mass 151 outsides, the reciprocal vibrations of the first magnet piece 151 and described elastic plate 12 so that the electrostatic field between described the first conducting film 61 and described the second conducting film 62 back and forth change, like this, thus because alternating voltage is externally exported in the transfer of electric charge.Therefore, the embodiment of the invention provides piezoelectricity and static economic benefits and social benefits to answer electric energy output.Certainly, described the first conducting film 61 also can be located at outside the described mass 151 with a determining deviation.Among this embodiment, described the first conducting film 61 is processed by polarization and is with constant positive charge.
With reference to figure 5, showed the 4th embodiment of shaking generating set of the present invention.This shaking generating set 103 from the shaking generating set 100 different persons of the first embodiment is: described generating parts also include electret parts 17 when comprising piezoelectric part 14.With reference to figure 5, described electret parts 17 comprise the first polarized film 71 that is around in described mass 151 outer surfaces and are located at described cavity 111 inner surfaces and with second polarized film 72 of certain spacer ring around described the first polarized film 71, and form an electric capacity between described the first polarized film 71 and the second polarized film 72, described the second polarized film 72 is electrically connected with described conduction capillary 13, when vibrations occur, the first magnet piece 151 drives described elastic plate 12 and piezoelectric patches 41 back and forth vibrations in resonant cavity, piezoelectric part 14 outside output voltages; Simultaneously, because the first polarized film 71 of electret parts 17 is around in described mass 151 outsides, the reciprocal vibrations of the first magnet piece 151 and described elastic plate 12 so that electric capacity and electrostatic field between described the first polarized film 71 and described the second polarized film 72 back and forth change, like this, thus because alternating voltage is externally exported in the transfer of electric charge.Therefore, the embodiment of the invention provides piezoelectricity and electret economic benefits and social benefits to answer electric energy output.Certainly, described the first polarized film 71 also can be located at outside the described mass 151 with a determining deviation.Among this embodiment, described the first polarized film 71 and described the second polarized film 72 are had respectively the charges of different polarity through the high voltage electric field electret stationed on the first polarized film 71 and the second polarized film 72, just formed an electric capacity between two films.
With reference to figure 6, showed the 5th embodiment of shaking generating set of the present invention.This shaking generating set 104 from the shaking generating set 101 different persons of the second embodiment is: described generating parts also comprise static parts 16 when comprising piezoelectric part 14, magneto-electronic component 15.With reference to figure 6, described static parts 16 comprise the first conducting film 61 that is around in described mass 151 outer surfaces and are located in the described cavity housing 111 and are positioned at the second conducting film 62 of winding coil 51 inboards, described the second conducting film 62 with certain spacer ring around described the first conducting film 61, described the second conducting film 62 is electrically connected with described conduction capillary 13, when vibrations occur, the first magnet piece 151 drives described elastic plate 12 and piezoelectric patches 41 back and forth vibrations in resonant cavity, piezoelectric part 14 outside output voltages, simultaneously, the motion of the first magnet piece is so that winding coil 51 also produces the induced current of alternation and outwards output, simultaneously, the reciprocal vibrations of the first magnet piece 151 and described elastic plate 12 so that the electrostatic field between described the first conducting film 61 and described the second conducting film 62 back and forth change, like this, thus because alternating voltage is externally exported in the transfer of electric charge.Therefore, the embodiment of the invention provides piezoelectricity, magnetoelectricity and the output of static three effect electric energy.
With reference to figure 7, showed the 6th embodiment of shaking generating set of the present invention.This shaking generating set 105 from the shaking generating set 101 different persons of the second embodiment is: described generating parts also comprise electret parts 17 when comprising piezoelectric part 14, magneto-electronic component 15.With reference to figure 7, described electret parts 17 comprise the first polarized film 71 of being located at described mass 151 outer surfaces and are located in the described cavity 111 and are positioned at the second polarized film 72 of winding coil 51 inboards, described the second polarized film 72 with certain spacer ring around described the first polarized film 71, described the second polarized film 72 is electrically connected with described conduction capillary 13, when vibrations occur, the first magnet piece 151 drives described elastic plate 12 and piezoelectric patches 41 back and forth vibrations in described resonant cavity, piezoelectric part 14 outside output voltages, simultaneously, the motion of the first magnet piece is so that winding coil 51 also produces the induced current of alternation and outwards output, simultaneously, the reciprocal vibrations of the first magnet piece 151 and described elastic plate 12 so that electric capacity and electrostatic field between described the first polarized film 71 and described the second polarized film 72 back and forth change, like this, thus because alternating voltage is externally exported in the transfer of electric charge.Therefore, the embodiment of the invention provides piezoelectricity, magnetoelectricity and the output of electret three effect electric energy.
With reference to figure 8, showed the 7th embodiment of shaking generating set of the present invention.This shaking generating set 106 from the shaking generating set 104 different persons of the second embodiment is: described generating parts also comprise static parts 16 and electret parts 17 when comprising piezoelectric part 14, magneto-electronic component 15.With reference to figure 8, described static parts 16 comprise the first conducting film 61 that is around in described mass 151 outer surfaces and are located in the described cavity housing 111 and are positioned at the polarization conducting film 63 of winding coil 51 inboards, described polarization conducting film 63 with certain spacer ring around described the first conducting film 61, described electret parts 17 comprise described polarization conducting film 63 and are located at described winding coil 51 inboard and with second polarized film 72 of certain spacer ring around described polarization conducting film 63, described polarization conducting film 63, the second polarized film 72 is electrically connected with described conduction capillary 13 respectively, when vibrations occur, the first magnet piece 151 drives described elastic plate 12 and piezoelectric patches 41 back and forth vibrations in resonant cavity, piezoelectric part 14 outside output voltages, simultaneously, the motion of the first magnet piece is so that winding coil 51 also produces the induced current of alternation and outwards output, simultaneously, the reciprocal vibrations of the first magnet piece 151 and described elastic plate 12 so that the electrostatic field between described the first conducting film 61 and the described polarization conducting film 63 back and forth change, like this, because thereby alternating voltage is externally exported in the transfer of electric charge, simultaneously, the reciprocal vibrations of the first magnet piece 151 and described elastic plate 12 so that electric capacity and electrostatic field between described polarization conducting film 63 and described the second polarized film 72 back and forth change, like this, thus because alternating voltage is externally exported in the transfer of electric charge.Therefore, the embodiment of the invention provides piezoelectricity, and magnetoelectricity, static and electret quadruple effect are answered electric energy output.In this embodiment, described polarization conducting film 63 consists of respectively the second conducting film of described static parts 16 and the first polarized film of electret parts 17, and namely described the second conducting film and described the first polarized film are shared is a conductive layer.
With reference to figure 9, showed the 8th embodiment of shaking generating set of the present invention.This shaking generating set 107 from the shaking generating set 104 different persons of the second embodiment is: described generating parts also comprise static parts 16 and electret parts 17 when comprising piezoelectric part 14, magneto-electronic component 15.With reference to figure 9, described electret parts 17 comprise the first polarized film 71 that is around in described mass 151 outer surfaces and are located in the described cavity housing 111 and are positioned at the polarization conducting film 64 of winding coil 51 inboards, described static parts 16 comprise described polarization conducting film 64 and are located in the described cavity housing 111 and around the second conducting film 62 of described polarization conducting film 64, described polarization conducting film 64, the second conducting film 62 is electrically connected with described conduction capillary 13 respectively, when vibrations occur, the first magnet piece 151 drives described elastic plate 12 and piezoelectric patches 41 back and forth vibrations in resonant cavity, piezoelectric part 14 outside output voltages, simultaneously, the motion of the first magnet piece is so that winding coil 51 also produces the induced current of alternation and outwards output, simultaneously, the double vibrations of the first magnet piece 151 and described elastic plate 12 so that the electrostatic field between described polarization conducting film 64 and the second conducting film 62 back and forth change, like this, because thereby alternating voltage is externally exported in the transfer of electric charge, simultaneously, the reciprocal vibrations of the first magnet piece 151 and described elastic plate 12 so that described the first polarized film 71 and electric capacity and the electrostatic field of polarization between the conducting film 64 back and forth change, like this, thus because alternating voltage is externally exported in the transfer of electric charge.Therefore, the embodiment of the invention provides piezoelectricity, and magnetoelectricity, static and electret quadruple effect are answered electric energy output.In this embodiment, described polarization conducting film 63 consists of respectively the first conducting film of described static parts 16 and the second polarized film of electret parts 17, and namely described the first conducting film and described the second polarized film are shared is a conductive layer.
Certainly, generating parts of the present invention can also comprise other class generating parts or other combinations, for example only comprise magneto-electronic component 15, static parts 16 or electret parts 17.
With reference to Figure 10, the 9th embodiment that has showed shaking generating set of the present invention, be different from the various embodiments described above, among this embodiment, the starting of oscillation spring 114 that increases by 11 action potentials of support is installed on the described base 113, when vibrations occur, starting of oscillation spring 114 has increased the action potential that rises of support 11 and shaking generating set, the first magnet piece 151 that is placed on the elastic plate 12 drives elastic plate 12 along its vertical vibration, produces deformation thereby drive piezoelectric patches 41, and piezoelectric patches 41 i.e. outside output electric energy.On the other hand, among this embodiment, described generating parts comprise magneto-electronic component 15, since the first magnet piece 151 in cavity 111 along elastic plate 12 vertical direction up-down vibration, be mounted with winding coil 51 on the support 11, according to the law of electromagnetic induction, the motion of the first magnet piece 151 is so that winding coil 51 also produces induced current and outwards output, simultaneously, starting of oscillation spring 114 on the base promotes support and winding coil 51 relative magnetic oscillator (being comprised of the first magnet piece and the second magnet piece) counter motions, has also increased its output voltage.
With reference to Figure 11, the tenth embodiment that has showed shaking generating set of the present invention, be different from the 9th embodiment, among this embodiment, described winding coil 51 comprises the first coil 511 and the second coil 512 that is cascaded, and described the first coil 511 is opposite with direction of winding on described the second coil 512, further increases the output voltage of magnetoelectricity generating.As previously mentioned, the first magnet piece 151 in cavity 111 along elastic plate 45 vertical direction up-down vibration, so that the first coil 511 produces induced current and output, this induced current also so that the magnetic flux in the first coil 511 change, also respond to the magnetic flux of this variation and be positioned at the first magnet piece 151 than far-end and with contiguous the second coil 512 of the first coil 511, thereby self also producing induced current and output, therefore, further increase the output voltage of magnetoelectricity generating.Certainly, the first coil 511 and the also practicable parallel connection of the second coil 512, it is around identical or opposite to freely forming, and its operation principle is identical.Certainly, winding coil 51 also may comprise three groups or more groups.
The manufacture method of shaking generating set of the present invention comprises the steps:
One elastic plate is provided, at the center of described elastic plate one mass is installed;
One support is provided, and described support has cavity, and this cavity one end has opening, described elastic plate is installed on the opening part of described cavity and makes described cavity support the week edge of described elastic plate; And
At described support at least two conduction capillaries are installed;
During the manufacture method of described shaking generating set is further comprising the steps of any, two or more combination:
Steps A: at described elastic plate piezoelectric patches is set, and described piezoelectric patches and conduction capillary are electrically connected;
Step B: at described cavity at least one group of winding coil is set, described mass is magnet, and winding coil and conduction capillary are electrically connected;
Step C: the first conducting film around described mass is set in described cavity, in described cavity, arranges with second conducting film of certain spacer ring around described the first conducting film, described the second conducting film and described conduction capillary are electrically connected;
Step D: the second polarized film around described mass is set in described cavity, in described cavity, arranges with second polarized film of certain spacer ring around described the first polarized film, described the second polarized film and described conduction capillary are electrically connected.
Preferably, the manufacture method of described shaking generating set also comprises step: in described inside cavity one resistance system is installed, described resistance system provides resistance to described elastic plate when described elastic plate is crooked back and forth.
Particularly, described mass is the first magnet piece, described step of one resistance system being installed in described inside cavity comprises: in described cavity lower end one base is installed, the second magnet piece is provided, described the second magnet piece is installed on the described base, and makes described the first magnet piece identical with described the second magnet piece opposite face polarity.
Preferably, described step D comprises the step that forms the first polarized film and the second polarized film, be specially: outside described mass, in the cavity, two-layer relative teflon membrane is set respectively, on the relative one side of two teflon membranes, plate respectively one deck conducting film, the teflon membrane that is coated with conducting film is formed the first polarized film and the second polarized film after through the high voltage electric field electret.
Above disclosed only is the preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (30)
1. shaking generating set is characterized in that: comprising:
Support, described support has cavity, and this cavity one end has opening;
Elastic plate, described elastic plate is installed on the opening part of described cavity and makes described cavity support the week edge of described elastic plate, and the center of described elastic plate is equipped with a mass, described elastic plate moves along the direction of vertical described elastic plate with described mass when being given a shock, and described cavity provides space for described elastic plate and mass;
At least two conduction capillaries, described conduction capillary is installed on the described support; And
The generating parts, described generating parts comprise, two or more combination in piezoelectric part, magneto-electronic component, static parts and the electret parts; Wherein,
Described piezoelectric part comprises the piezoelectric patches of being located on the described elastic plate, and described piezoelectric patches and described conduction capillary are electrically connected to export electric energy;
Described magneto-electronic component comprises at least one group of winding coil and the described mass of being located on the described cavity, and this mass is magnet, and described winding coil and described conduction capillary are electrically connected to export electric energy;
Described static parts comprise to be located in the cavity and around the first conducting film of described mass be located in the described cavity and with second conducting film of certain spacer ring around described the first conducting film, described the second conducting film and described conduction capillary are electrically connected to export electric energy;
Described electret parts comprise to be located in the described cavity and around the first polarized film of described mass be located in the described cavity and with second polarized film of certain spacer ring around described the first polarized film, described the second polarized film and described conduction capillary are electrically connected to export electric energy.
2. shaking generating set as claimed in claim 1, it is characterized in that: described cavity is open column shape.
3. shaking generating set as claimed in claim 1 is characterized in that: also comprise the resistance system that is installed on described inside cavity, described resistance system provides resistance and/or power to described elastic plate when described elastic plate is crooked back and forth.
4. shaking generating set as claimed in claim 3, it is characterized in that: the cavity lower end of described support is equipped with base, described resistance system comprises described mass, this mass is the first magnet piece, described resistance system also comprises the second magnet piece that is installed on the described base, and described the first magnet piece is identical with described the second magnet piece opposite face polarity.
5. shaking generating set as claimed in claim 4 is characterized in that: the starting of oscillation spring that the described support of conflicting is installed on the described base.
6. shaking generating set as claimed in claim 1, it is characterized in that: described winding coil comprises serial or parallel connection the first coil and the second coil together, and described the first coil is opposite with the direction of winding of described the second coil.
7. shaking generating set as claimed in claim 1, it is characterized in that: described winding coil comprises serial or parallel connection the first coil and the second coil together, and described the first coil is identical with the direction of winding of described the second coil.
8. shaking generating set as claimed in claim 1, it is characterized in that: described elastic plate is made by elastomeric material.
9. shaking generating set as claimed in claim 1, it is characterized in that: described elastic plate is laminar, have central active region, around at least one elastic arm of described central active region and around the support portion, outer of described elastic arm, between described central active region, elastic arm and the support portion, outer certain gap is arranged all, be distributed with supporting bridge in the described gap to connect adjacent central active region, elastic arm and support portion, outer, the support portion, outer of described elastic plate is installed on the described support.
10. shaking generating set as claimed in claim 9, it is characterized in that: described elastic arm has several, and certain gap is all arranged between the adjacent elastic arm, is distributed with supporting bridge in the described gap to connect adjacent elastic arm.
11. such as claim 9 or 10 described piezoelectric shock Blast Furnace Top Gas Recovery Turbine Unit (TRT), it is characterized in that: the supporting bridge in the adjacent segment is interspersed along described central active region.
12. shaking generating set as claimed in claim 9, it is characterized in that: described piezoelectric patches is corresponding with described elastic plate-shaped, and the interior edge of described piezoelectric patches is positioned at the central active region of described elastic plate, and the outer of described piezoelectric patches is positioned at the support portion, outer of described elastic plate.
13. shaking generating set as claimed in claim 1 is characterized in that: the outer wall of described support is provided with a capillary positioning seat, and described capillary positioning seat has at least two location holes, and described conduction capillary correspondence is installed in the described location hole.
14. shaking generating set as claimed in claim 1 is characterized in that: the outside of described piezoelectric patches also is enclosed with at least one matrix.
15. shaking generating set as claimed in claim 1 is characterized in that: described piezoelectric patches has at least two conductive layers and is sandwiched in two piezoelectric layers between the conductive layer.
16. shaking generating set as claimed in claim 15 is characterized in that: be provided with a through hole in the middle of the described piezoelectric patches, described through hole runs through two conductive layers of described piezoelectric patches.
17. shaking generating set as claimed in claim 15 is characterized in that: the week that the piezoelectric layer of described piezoelectric patches partly is deposited on described piezoelectric patches along and be formed centrally therein a space.
18. shaking generating set as claimed in claim 15, it is characterized in that: the piezoelectric layer of described piezoelectric patches is deposited on the whole surface of described piezoelectric patches, and the week that its at least one conductive layer partly is deposited on described piezoelectric patches is along so that the intermediate position forms a space.
19. shaking generating set as claimed in claim 1 is characterized in that: described piezoelectric piece bonding is on the surface of described elastic plate.
20. shaking generating set as claimed in claim 1 is characterized in that: described piezoelectric patches is deposited on the surface of described elastic plate.
21. shaking generating set as claimed in claim 1 is characterized in that: described piezoelectric patches is for having lead piezoelectric ceramics lead zirconate titanate piezoelectric sheet, PMN-PT piezoelectric patches, leadless piezoelectric ceramics barium titanate lead-less piezoelectric ceramic or niobate lead-free piezoelectric ceramics niobium nickel acid potassium piezoelectric patches.
22. shaking generating set as claimed in claim 1 is characterized in that: described piezoelectric patches is individual layer PZT piezoelectric patches or multilayer PZT piezoelectric patches.
23. shaking generating set as claimed in claim 1 is characterized in that: described piezoelectric patches is overall structure PZT piezoelectric patches or is formed by connecting by the radially-arranged strip PZT of multi-disc piezoelectric patches.
24. shaking generating set as claimed in claim 1 is characterized in that: described piezoelectric patches thickness is in 1 to 100 micron scope.
25. shaking generating set as claimed in claim 1 is characterized in that: described generating parts comprise static parts and electret parts, and described the second conducting film and described the first polarized film to share be a conductive layer.
26. shaking generating set as claimed in claim 1 is characterized in that, described generating parts comprise static parts and electret parts, and described the first conducting film and described the second polarized film to share be a conductive layer.
27. the manufacture method of a shaking generating set is characterized in that, comprises the steps:
One elastic plate is provided, at the center of described elastic plate one mass is installed;
One support is provided, and described support has cavity, and this cavity one end has opening, described elastic plate is installed on the opening part of described cavity and makes described cavity support the week edge of described elastic plate; And
At described support at least two conduction capillaries are installed;
During the manufacture method of described shaking generating set is further comprising the steps of any, two or more combination:
Steps A: at described elastic plate piezoelectric patches is set, and described piezoelectric patches and conduction capillary are electrically connected;
Step B: at described cavity at least one winding coil is set, described mass is magnet, and winding coil and conduction capillary are electrically connected;
Step C: the first conducting film around described mass is set in described cavity, in described cavity, arranges with second conducting film of certain spacer ring around described the first conducting film, described the second conducting film and described conduction capillary are electrically connected;
Step D: the first polarized film around described mass is set in described cavity, in described cavity, arranges with second polarized film of certain spacer ring around described the first polarized film, described the second polarized film and described conduction capillary are electrically connected.
28. the manufacture method of shaking generating set as claimed in claim 27 is characterized in that: also comprise step: in described inside cavity one resistance system is installed, described resistance system provides resistance to described elastic plate when described elastic plate is crooked back and forth.
29. the manufacture method of shaking generating set as claimed in claim 28, it is characterized in that: described mass is the first magnet piece, described step of one resistance system being installed in described inside cavity comprises: in described cavity lower end one base is installed, the second magnet piece is provided, described the second magnet piece is installed on the described base, and makes described the first magnet piece identical with described the second magnet piece opposite face polarity.
30. the manufacture method of shaking generating set as claimed in claim 27 is characterized in that: described step D comprises the step that forms the first polarized film and the second polarized film, is specially:
Outside described mass, in the cavity, two-layer relative teflon membrane is set, on the relative one side of two teflon membranes, plates respectively one deck conducting film, the teflon membrane that is coated with conducting film is formed the first polarized film and the second polarized film after through the high voltage electric field electret.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210317010 CN102882424A (en) | 2012-08-30 | 2012-08-30 | Vibration power generating device and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210317010 CN102882424A (en) | 2012-08-30 | 2012-08-30 | Vibration power generating device and manufacturing method thereof |
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| CN102882424A true CN102882424A (en) | 2013-01-16 |
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| CN104022688A (en) * | 2014-06-20 | 2014-09-03 | 清华大学 | MEMS electric field energy collector based on electret |
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| CN110336442A (en) * | 2019-04-29 | 2019-10-15 | 中北大学 | A kind of micro- energy resource collecting device of magnetoelectricity Piezoelectric anisotropy |
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- 2012-08-30 CN CN 201210317010 patent/CN102882424A/en not_active Withdrawn
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| CN104180849A (en) * | 2013-05-24 | 2014-12-03 | 北京嘉岳同乐极电子有限公司 | Vibration-magnetic field dual sensor |
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| CN104184297B (en) * | 2013-05-24 | 2017-05-17 | 北京嘉岳同乐极电子有限公司 | Vibration generating device |
| CN104022688A (en) * | 2014-06-20 | 2014-09-03 | 清华大学 | MEMS electric field energy collector based on electret |
| CN104022595A (en) * | 2014-06-27 | 2014-09-03 | 南京化工职业技术学院 | Self-powered environment-friendly remote control |
| CN107060262A (en) * | 2017-06-15 | 2017-08-18 | 吉林大学 | A kind of inertia-type piezo-electric generating floor |
| CN110336442A (en) * | 2019-04-29 | 2019-10-15 | 中北大学 | A kind of micro- energy resource collecting device of magnetoelectricity Piezoelectric anisotropy |
| CN114938122A (en) * | 2022-05-23 | 2022-08-23 | 连云港大华电子科技有限公司 | Vibration power generation device and equipment comprising same |
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