CN201570994U - Power supply device for marine instruments and meters - Google Patents
Power supply device for marine instruments and meters Download PDFInfo
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- CN201570994U CN201570994U CN2009201994428U CN200920199442U CN201570994U CN 201570994 U CN201570994 U CN 201570994U CN 2009201994428 U CN2009201994428 U CN 2009201994428U CN 200920199442 U CN200920199442 U CN 200920199442U CN 201570994 U CN201570994 U CN 201570994U
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- rectifier diode
- rectification circuit
- metal cantilever
- negative pole
- cantilever beam
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Abstract
The utility model relates to a power supply device for marine instruments and meters. The generating efficiency of the prior piezoelectric generator is low. The power supply device comprises a sealed ball, metal cantilever beams, a mass block, rectification circuits and a super capacitor. The mass block is arranged at the center of the sealed ball. The six strip-shaped metal cantilever beams are three-dimensionally and axially arranged in the sealed ball, each axial direction is provided with two metal cantilever beams, which are positioned at both sides of the mass block, one end of each metal cantilever beam is fixed on the inner sidewall of the sealed ball, the other end of each metal cantilever beam is extended into a corresponding rectangular socket arranged on the mass block, and the metal cantilever beams are slidably matched with the rectangular socket. The upper and the lower surfaces of each metal cantilever beam are correspondingly provided with energy converters, the outputs of the energy converters are connected with the inputs of the rectification circuits, and the outputs of the rectification circuits are connected with the super capacitor. The utility model utilizes the ceaseless movement of waves to constantly supply electricity.
Description
Technical field
The utility model belongs to the energy and electronic technology field, is specifically related to a kind of marine instrument and meter power supply device based on sea wave energy capture.
Background technology
Enormous function has been played to the socio-economic development in Deposits in Eastern Coastal China area in the ocean, and the ocean is the main carrier that goods and commodity transport, and also is the abundantest treasure-house of materials on the earth resource, and marine resources have very big potentiality to be exploited.At present, China has strengthened to the investment in marine technology field and exploitation, but in the electric power system that requires self-powered sea equipment and instrument, and research is used at present solar cell, lithium ion battery and fuel cell etc.Solar cell can be realized long-term power supply to being placed in outdoor marine instrument and equipment, but it also is subjected to the restriction of weather condition and application places simultaneously, the energy density of lithium ion battery and fuel cell is lower, and battery life is limited, needs are changed and have pollution.This adopts a kind of new energy conversion device to come the marine instrument and meter device is powered with regard to needing us.
The wave energy of wave is the most direct useful energy that can be used for the power supply of marine instrument, considers to utilize the wave energy of wave to generate electricity and has the huge applications prospect.At present, utilize vibrating type electric generator that the external environment vibrational energy generates electricity difference, can be divided into electromagnetic type, electrostatic and piezoelectric type three classes according to energy transfer mechanism.Wherein the oscillatory type piezoelectric generator have simple in structure, energy density big, be easy to advantage such as microminiaturization, be the focus of present oscillatory type microgenerator research.Make the piezoelectrics surface produce electric charge by applying external force, and then the structure piezoelectric generating device.According to the piezoelectrics polarised direction be subjected to the relation of stress direction, piezoelectric generating device is divided into two kinds of different patterns, promptly the polarised direction of the polarised direction of piezoelectrics and institute's externally applied forces direction identical (d33) and piezoelectrics be subjected to force direction mutual vertical (d31).Though the electromechanical coupling factor of d31 pattern is less relatively, when applying less external force, can make the sheet type piezoelectric vibrator obtain bigger strain, so be applicable to that vibration frequency is lower, external force and the less occasion of size.Yet piezoelectric is subjected to the restriction of the material property of itself, and generated energy is lower.And ferroelectric polymers at room temperature has high dielectric constant, by adjusting the composition of mixture, can realize the adjusting to dielectric property and energy density.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, and a kind of marine instrument and meter power supply device is provided.
The random vibration that the utility model utilizes the wave the subject of knowledge and the object of knowledge of wave to produce, the ferroelectric polymer film that drives the upper and lower surface that is fixed on the cantilever beam on the ball sealer wall produces strain, brings out the electric polarization upset in ferroelectric polymer film, produces electric field.
A kind of marine instrument and meter power supply device comprises ball sealer, metal cantilever beam, mass, rectification circuit and ultracapacitor.Described ball sealer is arranged on the centre of sphere place in the ball sealer for the spherical shell of sealing, mass.Axially be provided with the metal cantilever beam of six roots of sensation bar shaped sheet in the ball sealer along space three-dimensional, the both sides that two metal cantilever beams arranged and be positioned at mass on each is axial, one end of every metal cantilever beam is fixedly connected with the ball sealer madial wall, the other end stretches in the corresponding rectangular channel that is opened on the mass, the thickness of metal cantilever beam is less than the width of rectangular channel, and metal cantilever beam and rectangular channel form and be slidingly matched.The upper surface of every metal cantilever beam and lower surface correspondence are provided with energy conversion device.
Described energy conversion device comprises ferroelectric polymer film, last metallic film and metal membrane, ferroelectric polymer film is between last metallic film and metal membrane, last metallic film is connected with the top electrode lead-out wire, metal membrane is connected with the bottom electrode lead-out wire, the top electrode lead-out wire is connected with an end of rectification circuit input, and the bottom electrode lead-out wire is connected with the other end of rectification circuit input.The position of top electrode lead-out wire and bottom electrode lead-out wire can exchange, and just top electrode lead-out wire and the bottom electrode lead-out wire two ends of inserting rectification circuit respectively get final product.
Described rectification circuit is arranged in the ball sealer, and rectification circuit comprises filter capacitor C1, the first rectifier diode D1, the second rectifier diode D2, the 3rd rectifier diode D3 and the 4th rectifier diode D4.One end of rectification circuit input is the first rectifier diode D1 negative pole and the second rectifier diode D2 anode connection terminal, and the other end of rectification circuit input is anodal and the 4th rectifier diode D4 negative pole link of the 3rd rectifier diode D3; The first rectifier diode D1 is anodal to be connected with the end of filter capacitor C1 with the 4th rectifier diode D4 is anodal, and the second rectifier diode D2 negative pole is connected with the other end of filter capacitor C1 with the 3rd rectifier diode D3 negative pole.The positive terminal of rectification circuit output is the second rectifier diode D2 negative pole and the 3rd rectifier diode D3 negative pole link, and the negative pole end of rectification circuit output is anodal and the 4th rectifier diode D4 anode connection terminal of the first rectifier diode D1;
The corresponding rectification circuit of each energy conversion device, 12 corresponding 12 rectification circuits of energy conversion device, the output-parallel of 12 rectification circuits is to the two ends of ultracapacitor C13;
The output-parallel of described 12 rectification circuits is that the positive pole of ultracapacitor C13 is connected with the positive terminal of 12 rectification circuits outputs to the two ends of ultracapacitor C13, and negative pole is connected with the negative pole end that 12 rectification circuits are exported.
Described ball sealer is spliced by two hemisphere.
The utility model will adopt ferroelectric polymer film as machine-electric transducer, realize higher output voltage.Because the utility model utilizes the undying motion (distortion was bigger when wave motion was big) of wave, the electric weight that can obtain continuing is supplied with; The inner cantilever beam that adopts three different directions of the utility model, no matter closed ball moves over there, always has two distortion maximums on the beam, thereby can farthest produce bigger electric current and power stable simultaneously.
Description of drawings
Fig. 1 is the utility model vertical section structure schematic diagram;
Fig. 2 is the utility model cross-sectional structure schematic diagram;
Fig. 3 is a rectification circuit schematic diagram in the utility model;
Fig. 4 is rectification circuit and a super capacitor connection diagram in the utility model.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of marine instrument and meter power supply device comprises ball sealer 7, metal cantilever beam 4, mass 5, rectification circuit 8 and ultracapacitor.Described ball sealer 7 is the spherical shell of sealing, and mass 5 is arranged on the centre of sphere place in the ball sealer 7.Axially be provided with the metal cantilever beam 4 of six roots of sensation bar shaped sheet in the ball sealer 7 along space three-dimensional, the both sides that two metal cantilever beams 4 arranged and be positioned at mass 5 on each is axial, one end of every metal cantilever beam 4 is fixedly connected with ball sealer 7 madial walls, the other end stretches in the corresponding rectangular channel 6 that is opened on the mass 7, the thickness of metal cantilever beam 4 is less than the width of rectangular channel 6, and metal cantilever beam 4 forms with rectangular channel 6 and is slidingly matched.The upper surface of every metal cantilever beam 4 and lower surface correspondence are provided with energy conversion device.
Energy conversion device comprises ferroelectric polymer film 2, last metallic film 1 and metal membrane 3, ferroelectric polymer film 2 is between last metallic film 1 and metal membrane 3, last metallic film 1 is connected with top electrode lead-out wire A1, metal membrane 3 is connected with bottom electrode lead-out wire B1, top electrode lead-out wire A1 is connected with an end of rectification circuit 8 inputs, and bottom electrode lead-out wire B1 is connected with the other end of rectification circuit 8 inputs.The position of top electrode lead-out wire A1 and bottom electrode lead-out wire B1 can exchange, and just top electrode lead-out wire A1 and the bottom electrode lead-out wire B1 two ends of inserting rectification circuit respectively get final product.A2 shown in the figure, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12 are all as the corresponding top electrode lead-out wire of energy conversion device, and B2, B3, B4, B5, B6, B7, B8, B9, B10, B11, B12 are all as the corresponding bottom electrode lead-out wire of energy conversion device.
The corresponding rectification circuit of each energy conversion device, 12 corresponding 12 rectification circuits of energy conversion device, the output-parallel of 12 rectification circuits is to the two ends of ultracapacitor C13.
As shown in Figure 4, the output-parallel of 12 rectification circuits is to the two ends of ultracapacitor C13, and the positive pole of ultracapacitor C13 is connected with the positive terminal of 12 rectification circuit outputs, and negative pole is connected with the negative pole end of 12 rectification circuit outputs.
For easy to assembly, ball sealer is spliced by two hemisphere, and splicing place can be adopted conventional seal approach.
The concrete course of work of this device is: along with moving up and down of seawater, mass will be subjected to the effect of inertia force, cause the distortion of metal cantilever beam, and then cause the variation of ferroelectric polymer film planted agent strain and stress, because the electric polarization effect of ferroelectric polymer film, the electrical potential difference of ferroelectric polymer film to changing, motion along with outside wave, the ferroelectric polymer film surface has the indefinite alternating current output of peak value, the alternating current of output is through outputing to the super capacitor storage behind the rectification circuit, the super capacitor storage is output as electric.When the ambient vibration frequency equals the ball sealer natural frequency, will cause the resonance of ball sealer, the variation maximum of piezoelectric layer stress and strain, thus make the variation of this device output voltage reach maximum.
Claims (1)
1. a marine instrument and meter power supply device comprises ball sealer, metal cantilever beam, mass, rectification circuit and ultracapacitor, it is characterized in that: described ball sealer is arranged on the centre of sphere place in the ball sealer for the spherical shell of sealing, mass; Axially be provided with the metal cantilever beam of six roots of sensation bar shaped sheet in the ball sealer along space three-dimensional, the both sides that two metal cantilever beams arranged and be positioned at mass on each is axial, one end of every metal cantilever beam fixedly installs with the ball sealer madial wall, the other end stretches in the corresponding rectangular channel that is opened on the mass, the thickness of metal cantilever beam is less than the width of rectangular channel, and metal cantilever beam and rectangular channel form and be slidingly matched; The upper surface of every metal cantilever beam and lower surface correspondence are provided with energy conversion device;
Described energy conversion device comprises ferroelectric polymer film, last metallic film and metal membrane, ferroelectric polymer film is between last metallic film and metal membrane, last metallic film is connected with the top electrode lead-out wire, metal membrane is connected with the bottom electrode lead-out wire, the top electrode lead-out wire is connected with an end of rectification circuit input, and the bottom electrode lead-out wire is connected with the other end of rectification circuit input;
Described rectification circuit is arranged in the ball sealer, and rectification circuit comprises filter capacitor C1, the first rectifier diode D1, the second rectifier diode D2, the 3rd rectifier diode D3 and the 4th rectifier diode D4; One end of rectification circuit input is the first rectifier diode D1 negative pole and the second rectifier diode D2 anode connection terminal, and the other end of rectification circuit input is anodal and the 4th rectifier diode D4 negative pole link of the 3rd rectifier diode D3; The first rectifier diode D1 is anodal to be connected with the end of filter capacitor C1 with the 4th rectifier diode D4 is anodal, and the second rectifier diode D2 negative pole is connected with the other end of filter capacitor C1 with the 3rd rectifier diode D3 negative pole; The positive terminal of rectification circuit output is the second rectifier diode D2 negative pole and the 3rd rectifier diode D3 negative pole link, and the negative pole end of rectification circuit output is anodal and the 4th rectifier diode D4 anode connection terminal of the first rectifier diode D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201994428U CN201570994U (en) | 2009-10-26 | 2009-10-26 | Power supply device for marine instruments and meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201994428U CN201570994U (en) | 2009-10-26 | 2009-10-26 | Power supply device for marine instruments and meters |
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| Publication Number | Publication Date |
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| CN201570994U true CN201570994U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201994428U Expired - Fee Related CN201570994U (en) | 2009-10-26 | 2009-10-26 | Power supply device for marine instruments and meters |
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| CN (1) | CN201570994U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739107A (en) * | 2012-05-22 | 2012-10-17 | 哈尔滨工业大学深圳研究生院 | Collision type piezoelectric micro-energy collector |
| CN103199739A (en) * | 2013-03-12 | 2013-07-10 | 张平 | Sea wave and wind power generation device |
| CN105846720A (en) * | 2016-05-13 | 2016-08-10 | 哈尔滨工程大学 | Piezoelectric transducer and piezoelectric wave energy collecting device employing same |
| CN107870350A (en) * | 2017-12-13 | 2018-04-03 | 中国地质大学（武汉） | A kind of differential type bimorph geophone core body and piezoelectric seismometer |
-
2009
- 2009-10-26 CN CN2009201994428U patent/CN201570994U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739107A (en) * | 2012-05-22 | 2012-10-17 | 哈尔滨工业大学深圳研究生院 | Collision type piezoelectric micro-energy collector |
| CN102739107B (en) * | 2012-05-22 | 2015-01-14 | 哈尔滨工业大学深圳研究生院 | Collision type piezoelectric micro-energy collector |
| CN103199739A (en) * | 2013-03-12 | 2013-07-10 | 张平 | Sea wave and wind power generation device |
| CN103199739B (en) * | 2013-03-12 | 2015-10-28 | 张平 | Wave and wind power generation plant |
| CN105846720A (en) * | 2016-05-13 | 2016-08-10 | 哈尔滨工程大学 | Piezoelectric transducer and piezoelectric wave energy collecting device employing same |
| CN105846720B (en) * | 2016-05-13 | 2017-10-03 | 哈尔滨工程大学 | A kind of piezoelectric type wave energy collection device of piezoelectric transducer and the application transducer |
| CN107870350A (en) * | 2017-12-13 | 2018-04-03 | 中国地质大学（武汉） | A kind of differential type bimorph geophone core body and piezoelectric seismometer |
| CN107870350B (en) * | 2017-12-13 | 2023-12-15 | 中国地质大学（武汉） | Differential dual-piezoelectric-patch geophone core and piezoelectric geophone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20131026 |