CN207135007U - A kind of Hydrometeorology station based on piezoelectric energy-capturing - Google Patents
A kind of Hydrometeorology station based on piezoelectric energy-capturing Download PDFInfo
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- CN207135007U CN207135007U CN201720990555.4U CN201720990555U CN207135007U CN 207135007 U CN207135007 U CN 207135007U CN 201720990555 U CN201720990555 U CN 201720990555U CN 207135007 U CN207135007 U CN 207135007U
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- energy
- cantilever beam
- hydrometeorology
- piezoelectric energy
- station based
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Abstract
The utility model discloses a kind of Hydrometeorology station based on piezoelectric energy-capturing, including piezoelectric energy collecting device and energy storing device, described piezoelectric energy collecting device includes the piezo-electric crystal of cantilever beam and setting on a cantilever beam, described piezo-electric crystal collects vibrational energy and is transferred to outer load circuit, and described outer load circuit is connected with described energy storing device.Wave drives buoy dump motion, and so as to drive cantilever beam to move, piezoelectric energy collecting device collects vibrational energy, promotes the internal cantilever beam vibration of buoy dump motion by wave, piezo-electric crystal collects vibrational energy and switchs to electric energy, and collection is stored in alminium electrolytic condenser.Mechanical energy in ocean or lake is converted into electricity collection by the utility model, for the operation at meteorological buoy station and the normal work of sensor.
Description
Technical field
A kind of Hydrometeorology station based on piezoelectric energy-capturing is the utility model is related to, belongs to energy collection technology application neck
Domain.
Background technology
Energy collection technology refers to some energy collections in the Nature to get up to change into skill of the electric energy to system power supply
Art, these energy mainly include kinetic energy, luminous energy, electromagnetic energy, heat energy.Energy collection technology is mainly used in the wireless biography of Internet of Things
Sensor network, monitoring structural health conditions, implantable medical monitoring, active radio frequency sensor and identification etc..At present, wireless sensing
More than device network etc. each industry is developing rapidly in China, and these apply in terms of the maintenance replacement of battery that there is can not
The bottleneck avoided, this also results in the indispensable property that energy collection technology is applied in Internet of Things.It is contemplated that will in not far
Come, energy collection technology will turn into the important technology of Chinese Internet of Things field.
In many usage scenarios, for the sensor network that some can be monitored, these applications are difficult to obtain continued power,
Energy can only be obtained from surrounding environment or sensor.When main power source is unavailable, energy acquisition contributes to the operation of extension device
Time.
Piezoelectric energy collection technique is directed to, nearly ten years, domestic and foreign scholars propose a large amount of piezoelectric beams, plate energy accumulator
Model, modeling analysis has drawn analytic solutions or numerical solution, and is optimized from the following aspect:Piezoelectricity list is double-deck, double piezoelectric layers
Connection in series-parallel, matrix geometric parameter(Length, width, shape), piezoelectric layer position, electrode shape position, external excitation, output circuit
Optimum resistance etc., theoretical model is modified finally by experiment, to find accurate solution.Research theme is to complete practicality
Property device(Electric energy acquisition, storage and the combination of application circuit)Transformation is new developing direction.
In recent years, domestic and foreign scholars catered to energy harvester new development direction, for energy storage circuit and memory element
Numerous studies are carried out.Scientific research finds to improve energy acquisition efficiency up to 400% by DC-DC change-over circuits, in addition together
Electric charge memory technology, referred to as inductance synchro switch energy storage technologies, referred to as SSH I are walked, is ground by theoretical and experiment
Study carefully, its comparison with standard energy acquisition circuit energy transmission efficiency can improve 400%.And result of study shows by introducing SSH I
It is higher than the electricity storage efficiency of only one of which circuit with the electricity storage efficiency of DC-DC storage circuits.On storage member
Part, research show super capacitor as energy storage elements with having relative to rechargeable nickel-hydrogen battery, chargeable lithium ion
Obvious advantage.
On ocean and lake, without the source of electric energy supply;And connected various low power sensors under meteorological buoy
It is required for continued power could normal work.
Utility model content
Technical problem to be solved in the utility model is the defects of overcoming prior art, there is provided one kind is based on piezoelectric energy-capturing
Hydrometeorology station, the mechanical energy in ocean or lake is converted into electricity collection, the fortune for meteorological buoy station
The normal work of row and sensor.
In order to solve the above technical problems, the utility model provides a kind of Hydrometeorology station based on piezoelectric energy-capturing, its
Be characterized in, including piezoelectric energy collecting device and energy storing device, described piezoelectric energy collecting device include cantilever beam and
Piezo-electric crystal on a cantilever beam is set, and described piezo-electric crystal collects vibrational energy and is transferred to outer load circuit, and described is outer
Circuit is carried with described energy storing device to be connected.
Further, the top of the cantilever beam and the bottom of buoy dump are provided with mutually exclusive magnet.
Further, described outer load circuit includes AD/DC diode rectifiers and DC/DC converters, described AD/DC
Diode rectifier is connected with DC/DC converters, and described DC/DC converters are connected with controller.
Further, described cantilever beam radially arranges.
Further, described energy storing device is the alminium electrolytic condenser for being arranged on buoy dump bottom.
Further, described energy storing device is connected with controller.
The beneficial effect that the utility model is reached:Wave drives buoy dump motion so as to drive cantilever beam to move, piezoelectricity
Energy collecting device collects vibrational energy, promotes the internal cantilever beam vibration of buoy dump motion by wave, piezo-electric crystal is collected
Vibrational energy switchs to electric energy, and collection is stored in alminium electrolytic condenser.Mechanical energy in ocean or lake is converted into by the utility model
Electricity collection is got up, for the operation at meteorological buoy station and the normal work of sensor.
Brief description of the drawings
Fig. 1 is top view of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is theory diagram of the present utility model.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
As depicted in figs. 1 and 2, a kind of Hydrometeorology station based on piezoelectric energy-capturing, including piezoelectric energy collecting device
And energy storing device, described piezoelectric energy collecting device include cantilever beam 1 and the piezo-electric crystal 2 being arranged on cantilever beam 1,
Described cantilever beam 1 radially arranges.The top of the cantilever beam 1 and the bottom of buoy dump are provided with mutually exclusive magnet 3,
Magnet 3 is used to adjust Oscillation Amplitude, device is reached stable state.
As shown in figure 3, described piezo-electric crystal 2 collects vibrational energy and is transferred to outer load circuit, described outer load circuit
Including AD/DC diode rectifiers and DC/DC converters, described AD/DC diode rectifiers are connected with DC/DC converters
Connect, described DC/DC converters are connected with controller.Described outer load circuit is connected with described energy storing device,
Described energy storing device is the alminium electrolytic condenser 4 for being arranged on buoy dump bottom.Described energy storing device and controller
It is connected.
Operation principle:
Collection of energy:Wave drives buoy dump motion so as to drive cantilever beam 1 to move, and piezoelectric energy collecting device, which is collected, to shake
Kinetic energy, the internal cantilever beam 1 of buoy dump motion is promoted to vibrate by wave, piezo-electric crystal 2 collects vibrational energy and switchs to electric energy, receives
Collection is stored in alminium electrolytic condenser 4.Magnet 3 is used to adjust Oscillation Amplitude, device is reached stable state.
Energy storage:The electric energy of collection is input to linking circuit by device, and rectification is carried out by AD/DC diode rectifiers,
Then changed, and then be stored in alminium electrolytic condenser 4 by DC/DC converters, DC/DC converters are carried out by controller
Adjustment ensures best energy stores effect.
Isotropism:Energy collecting system is full symmetrical configuration, and cantilever beam 1 radially arranges, and can effectively be collected each
Vibrational energy on kind direction.
Energy utilization:Above-mentioned collection of energy mode includes the energy storage device built in one, and the device can be under buoy dump
Connected meteorologic instrument and sensor power supply.
Form of energy is varied in nature, and the mechanical energy that the present apparatus is collected also has multiple frequency range.If it can collect extensively
The energy of various frequency ranges is then greatly improved the efficiency of generating.As a further improvement, the present apparatus can be installed additional suitable for a variety of
The piezoelectric energy collecting device of frequency range, extension applicable band, improve generated output.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
Enter and deform and also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of Hydrometeorology station based on piezoelectric energy-capturing, it is characterized in that, including piezoelectric energy collecting device and energy deposit
Storage device, described piezoelectric energy collecting device include the piezo-electric crystal of cantilever beam and setting on a cantilever beam, described piezoelectricity
Crystal collects vibrational energy and is transferred to outer load circuit, and described outer load circuit is connected with described energy storing device.
2. a kind of Hydrometeorology station based on piezoelectric energy-capturing according to claim 1, it is characterized in that, the cantilever beam
Top and the bottom of buoy dump be provided with mutually exclusive magnet.
3. a kind of Hydrometeorology station based on piezoelectric energy-capturing according to claim 1, it is characterized in that, described outer load
Circuit includes AD/DC diode rectifiers and DC/DC converters, described AD/DC diode rectifiers and DC/DC converter phases
Connection, described DC/DC converters are connected with controller.
4. a kind of Hydrometeorology station based on piezoelectric energy-capturing according to claim 1, it is characterized in that, described cantilever
Beam radially arranges.
5. a kind of Hydrometeorology station based on piezoelectric energy-capturing according to claim 1, it is characterized in that, described energy
Storage device is the alminium electrolytic condenser for being arranged on buoy dump bottom.
6. a kind of Hydrometeorology station based on piezoelectric energy-capturing according to claim 1, it is characterized in that, described energy
Storage device is connected with controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720990555.4U CN207135007U (en) | 2017-08-09 | 2017-08-09 | A kind of Hydrometeorology station based on piezoelectric energy-capturing |
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CN201720990555.4U CN207135007U (en) | 2017-08-09 | 2017-08-09 | A kind of Hydrometeorology station based on piezoelectric energy-capturing |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110784123A (en) * | 2019-10-21 | 2020-02-11 | 浙江同济科技职业学院 | Piezoelectric power generation system for collecting wave energy based on flexure enhancement |
CN112284354A (en) * | 2020-09-14 | 2021-01-29 | 北京致感致联科技有限公司 | Passive wireless piezoelectric sensor and passive monitoring system |
-
2017
- 2017-08-09 CN CN201720990555.4U patent/CN207135007U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110784123A (en) * | 2019-10-21 | 2020-02-11 | 浙江同济科技职业学院 | Piezoelectric power generation system for collecting wave energy based on flexure enhancement |
CN112284354A (en) * | 2020-09-14 | 2021-01-29 | 北京致感致联科技有限公司 | Passive wireless piezoelectric sensor and passive monitoring system |
CN112284354B (en) * | 2020-09-14 | 2021-08-24 | 北京致感致联科技有限公司 | Passive wireless piezoelectric sensor and passive monitoring system |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20200809 |