CN107919815B - A kind of control method of the energy collecting device control system based on piezo-electric generating - Google Patents
A kind of control method of the energy collecting device control system based on piezo-electric generating Download PDFInfo
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- CN107919815B CN107919815B CN201711301152.5A CN201711301152A CN107919815B CN 107919815 B CN107919815 B CN 107919815B CN 201711301152 A CN201711301152 A CN 201711301152A CN 107919815 B CN107919815 B CN 107919815B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000011664 signaling Effects 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/181—Circuits; Control arrangements or methods
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
Abstract
The control method for the energy collecting device control system based on piezo-electric generating that the invention discloses a kind of, it is characterized by comprising following steps: step 1: after power generator is started to work, the deformation quantity of piezoelectric bimorph is detected by deformation detecting device, and digital signaling zero 1 is converted by deformation quantity, upload to single-chip microcontroller；Step 2: single-chip microcontroller receives the digital signal of detection module upload, by the deformation threshold value comparison of digital signaling zero 1 and preset piezoelectric bimorph, issues if more than threshold value and executes signal 001；Step 3: execution module receives to execute signal 001, and the volume under pressure and speed of pressurizing unit reduce, until being less than threshold value, just restore amount of compression and speed.The present invention provides a kind of efficient energy collecting device, and realizes automatic collect by control system.
Description
The application is patent of invention: a kind of efficient energy collection device and control system based on piezo-electric generating principle and
The divisional application of control method, parent application number are 201610375402.9, and the applying date is on May 31st, 2016.
Technical field
The present invention relates to energy collecting device, especially a kind of efficient energy collection device based on piezo-electric generating principle
The control method of control system.
Background technique
In the energy such as thermal energy, wind energy existing for ambient enviroment, sound energy, whose energy, solar energy, mechanical energy and mankind's activity energy
One or more collect and be converted into electric energy, then directly to electronics or be stored in capacitor, can fill
In the devices such as battery, this process is collection of energy.There are many kinds of the methods that energy is collected from various energy sources, such as electricity
Magnetic induction, electrostatic, radio-frequency radiation and piezoelectric effect etc., mechanical oscillation are a kind of form generally existing in environment, vibrational energy
The principle of collection is using the displacement of sensor or mechanical deformation to produce electricl energy, and collecting vibrational energy, generally there are three types of sides
Formula: utilize electromagnetic induction, electrostatic and piezoelectric effect, wherein electromagnetic induction due to the performance of plane magnet it is poor, pass through plane
Coil realizes that the number of turns is restricted, and there are also the limitations of Oscillation Amplitude accordingly will lead to the reduction of electromagnetic device speed；Electrostatic device generates
Be high voltage, low current and high output impedance, the problem of there are also electric pole short circuits；And the conversion performance of piezoelectric material is very high, it can
To obtain very high energy density, it is widely used.
Present piezoelectric generating device uses single-chip, only one piezoelectric patches in chip, while in power generator
The chip of setting is all single layer and single, and the energy conversion efficiency of piezoelectric generating device is not high, at the same the voltage for the output that generates electricity compared with
It is low, and energy collecting device is not detected and controlled, and is easily damaged.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing one kind and includes piezo-electric generating, rectifies and deposit
The energy collecting device for storing up function and control system, uses piezoelectric bimorph in power generator, while chip superposition and simultaneously
Connection setting, energy conversion efficiency is high, while generating voltage is carried out four voltage multiplying rectifiers, provides maximum voltage, and provide one kind
The method that energy collecting device is carried out automatically controlling.
The technical solution adopted by the invention is as follows:
A kind of control method of the energy collecting device control system based on piezo-electric generating of the present invention, comprising the following steps:
Step 1: after power generator is started to work, the deformation quantity of piezoelectric bimorph is detected by deformation detecting device, and will
Deformation quantity is converted into digital signaling zero 1, uploads to single-chip microcontroller；Rectified voltage is converted number by rectified voltage detection device simultaneously
Signal 02, uploads to single-chip microcontroller；Detection device on super capacitor also will test electricity and be converted into digital signaling zero 3, upload to list
Piece machine；
Step 2: single-chip microcontroller receives the digital signal of detection module upload, by digital signaling zero 1 and preset piezoelectric bimorph
The deformation threshold value comparison of piece issues if more than threshold value and executes signal 001；By the limiting voltage of digital signaling zero 2 and preset capacitor
Value comparison, issues if more than extreme voltage values and executes signal 002；By the capability value pair of digital signaling zero 3 and preset super capacitor
Than being issued if more than capability value and executing signal 003；
Step 3: execution module receives to execute signal 001, and the volume under pressure and speed of pressurizing unit reduce, until being less than threshold
Value just restores amount of compression and speed；Execution module receives to execute signal 002, and rectifier switch disconnects, and reduces generating voltage, until
Rectified voltage is less than extreme voltage values, and execution module receives to execute signal 003, pressurizing unit is stopped working, is also shut off whole
Stream switch and capacitance switch.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, generating efficiency is high.Piezoelectric chip in the present invention uses piezoelectric bimorph, while being set as the multiple twin crystals of same layer
The parallel connection of piece and the series connection of multilayer twin lamella, greatly improve the output power of piezoelectric generating device, to improve energy receipts
The efficiency of acquisition means.
2, multiplying rectifier voltage is high.Generating voltage can be amplified to four times by four voltage doubling rectifing circuits that the present invention uses,
Exchange is converted into direct current simultaneously, high-voltage dc voltage is provided for storage device, carries out electric power storage.
3, storing electricity is more.The super capacitor that the present invention uses can store more electricity, and the use for after provides
More electricity.
4, it is able to carry out the automatic control of energy collecting device.Control system in the present invention, can be between conditioning unit
Cooperation, while entire collection process is controlled, reduces the generation of damage, extend the service life of device, while improving energy
Collection efficiency.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is the structural schematic diagram of the energy collecting device the present invention is based on piezo-electric generating.
Mark in Fig. 1: 1 is shock plate, and 2 be cover board, and 3 be conducting wire, and 4 be fixed column, and 5 be piezoelectric bimorph, and 6 be bottom plate, 7
For spring.
Fig. 2 is the structure chart of piezoelectric bimorph in the present invention.
Mark in Fig. 2: 51 be piezoelectric patches, and 52 be glue-line, and 53 be sheet metal.
Fig. 3 is four voltage doubling rectifing circuit figures of the invention.
Fig. 4 is the control system schematic diagram of the energy collecting device the present invention is based on piezo-electric generating.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract), unless specifically stated,
It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of
An example in equivalent or similar characteristics.
Such as Fig. 1, the energy collecting device of the invention based on piezo-electric generating, including power generator, energy conversion module and
Storage device；The power generator includes cover board 2, impact block 1, fixed column 4, piezoelectric bimorph chip arrays, bottom plate 6 and conducting wire 3；Institute
It states 6 upper surface both ends of bottom plate and is provided with fixed column 4, bottom plate 6 and fixed column 4 are integral type, and it is vertical to be provided on 4 inner wall of fixed column
Inside multiple grooves are arranged, the groove in two fixed columns 4 is correspondingly arranged, and on same horizontal line, pressure is equipped in groove
Electrical twining piece 5 is provided with spring 7 between piezoelectric bimorph 5, and spring 7 is provided between bottom plate 6 and piezoelectric bimorph 5, and piezoelectricity is double
Conducting wire 3 is connected on chip 5；There is cover board 2 on the limit plate, 2 lower end of cover board is provided with shock plate 1；The conducting wire 3 connects
Energy conversion module；The energy conversion module uses voltage doubling rectifing circuit, connects storage device；The storage device is using super
Grade capacitor, shunt regulator diode.
Energy collecting device based on piezo-electric generating of the invention, the piezoelectric bimorph chip arrays include that same layer is in parallel
N number of piezoelectric bimorph and N layers of concatenated piezoelectric bimorph, N > 2.
Such as Fig. 2, the energy collecting device of the invention based on piezo-electric generating, the piezoelectric bimorph include piezoelectric patches 51,
Sheet metal 53 and conducting wire 3；The sheet metal 53 is set between two pieces of piezoelectric patches 51, has glue between sheet metal 53 and piezoelectric patches 51
Layer；It is connected separately with conducting wire 3 on the sheet metal 53 and piezoelectric patches 51, is connected between two piezoelectric patches 51 with conducting wire 3.
Energy collecting device based on piezo-electric generating of the invention, 53 length of sheet metal be 60mm, with a thickness of
0.5mm, 51 length of piezoelectric patches is 42mm, with a thickness of 0.15mm；The length ratio of piezoelectric patches 51 and sheet metal 53 is 0.7.Meeting
Under the premise of generating device structure size requires, the optimum length ratio of piezoelectric patches and substrate is 0.7.
Energy collecting device based on piezo-electric generating of the invention, the piezoelectric patches using doping vario-property high-performance
PZT piezoceramic material.
Energy collecting device based on piezo-electric generating of the invention, the bottom plate and cover board all using bakelite material,
Having a size of 400mm × 400mm；Impact block with a thickness of 10mm, fixed column upper surface is higher by piezoelectric bimorph upper surface 9.8mm.
Such as Fig. 3, the energy collecting device of the invention based on piezo-electric generating, the voltage doubling rectifing circuit is four voltage multiplying rectifiers
Circuit；Four voltage doubling rectifing circuit is by rectifier diode D1, D2, D3, D4 and filter condenser C1, C2, C3, C4 group
At, D1, C1 and power generation output composition closed circuit, D1, D2 and C2 form closed circuit, and D2, D3 and C3 form closed circuit,
D3, D4 and D3 form closed circuit, and the line of C1, D1, D2 and C3 intersect at a point, and the line of D2, C2, D3 and C4 intersect at
A bit, the line of C3, D3 and D4 intersect at a point.
Such as Fig. 4, the control system of the energy collecting device based on piezo-electric generating, including detection module, central processing unit and
Execution module, the detection module include deformation detecting device, rectified voltage detection device and capacitor electric quantity detection apparatus；It is described
Deformation detecting device is set to piezoelectric bimorph outer wall, for detecting the deformation quantity of piezoelectric bimorph；The rectified voltage detection
Device is connected to four voltage doubling rectifing circuits, for detecting the size of rectifier output voltage；The capacitor electric quantity detection apparatus, is used for
Detect the electricity in super capacitor；The central processing unit is using single-chip microcontroller, and pre- for receiving the signal of detection module
If value is compared, generates and execute signal；The execution module, including contacted with cover board pressurizing unit, be set to rectified current
Rectifier switch between road and storage device and the capacitance switch being set on capacitor；The central processing unit communication connection detection
All devices in module and execution module.
The control method of the control system of energy collecting device of the present invention based on piezo-electric generating, the steps include:
Step 1: after power generator is started to work, the deformation quantity of piezoelectric bimorph is detected by deformation detecting device, and will
Deformation quantity is converted into digital signaling zero 1, uploads to single-chip microcontroller；Rectified voltage is converted number by rectified voltage detection device simultaneously
Signal 02, uploads to single-chip microcontroller；Detection device on super capacitor also will test electricity and be converted into digital signaling zero 3, upload to list
Piece machine；
Step 2: single-chip microcontroller receives the digital signal of detection module upload, by digital signaling zero 1 and preset piezoelectric bimorph
The deformation threshold value comparison of piece issues if more than threshold value and executes signal 001；By the limiting voltage of digital signaling zero 2 and preset capacitor
Value comparison, issues if more than extreme voltage values and executes signal 002；By the capability value pair of digital signaling zero 3 and preset super capacitor
Than being issued if more than capability value and executing signal 003；
Step 3: execution module receives to execute signal 001, and the volume under pressure and speed of pressurizing unit reduce, until being less than threshold
Value just restores amount of compression and speed；Execution module receives to execute signal 002, and rectifier switch disconnects, and reduces generating voltage, until
Rectified voltage is less than extreme voltage values, and execution module receives to execute signal 003, pressurizing unit is stopped working, is also shut off whole
Stream switch and capacitance switch.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (1)
1. a kind of control method of the energy collecting device control system based on piezo-electric generating, it is characterised in that: including following step
It is rapid:
Step 1: after the energy collecting device based on piezo-electric generating is started to work, piezoelectric bimorph is detected by deformation detecting device
The deformation quantity of piece, and digital signaling zero 1 is converted by deformation quantity, upload to single-chip microcontroller；Rectified voltage detection device will rectify simultaneously
Voltage is converted into digital signaling zero 2, uploads to single-chip microcontroller；Detection device on super capacitor also will test electricity and be converted into number
Signal 03, uploads to single-chip microcontroller；
Step 2: single-chip microcontroller receives the detection device on deformation detecting device, rectified voltage detection device and super capacitor respectively
The digital signal of upload holds the deformation threshold value comparison of digital signaling zero 1 and preset piezoelectric bimorph if more than threshold value sending
Row signal 001；The extreme voltage values of digital signaling zero 2 and preset capacitor are compared, execute letter if more than extreme voltage values sending
Number 002；The capability value of digital signaling zero 3 and preset super capacitor is compared, is issued if more than capability value and executes signal 003；
Step 3: execution module receives to execute signal 001, and the volume under pressure and speed of pressurizing unit reduce, until being less than threshold value,
Restore amount of compression and speed；Execution module receives to execute signal 002, and rectifier switch disconnects, and generating voltage is reduced, until rectified current
Pressure is less than extreme voltage values, and execution module receives to execute signal 003, pressurizing unit is stopped working, rectifier switch is also shut off
And capacitance switch.
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| CN201711301152.5A CN107919815B (en) | 2016-05-31 | 2016-05-31 | A kind of control method of the energy collecting device control system based on piezo-electric generating |
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| CN201610375402.9A CN105915114B (en) | 2016-05-31 | 2016-05-31 | A kind of energy collecting device and control system and control method based on piezo-electric generating |
| CN201711301152.5A CN107919815B (en) | 2016-05-31 | 2016-05-31 | A kind of control method of the energy collecting device control system based on piezo-electric generating |
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| CN106160132B (en) * | 2016-09-13 | 2019-10-25 | 成都创慧科达科技有限公司 | A kind of wireless charging device based on body energy acquisition |
| CN106655877B (en) * | 2016-12-09 | 2019-02-01 | 北京纳米能源与系统研究所 | A kind of generator |
| CN107542620B (en) * | 2017-08-31 | 2019-10-01 | 武汉理工大学 | Stem slamming power generation Damping modules constructional device |
| TWI696956B (en) * | 2019-01-18 | 2020-06-21 | 國立雲林科技大學 | Vibration activated radio frequency identification tag for race purposes |
| CN112129214A (en) * | 2020-09-06 | 2020-12-25 | 苏州浪潮智能科技有限公司 | Circuit and method for real-time detection of case bending |
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| CN105915114A (en) | 2016-08-31 |
| CN107919815A (en) | 2018-04-17 |
| CN105915114B (en) | 2018-05-01 |
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Effective date of registration: 20231129 Address after: No. 366, North Section of Hupan Road, Tianfu New Area, China (Sichuan) Pilot Free Trade Zone, Chengdu City, Sichuan Province, 610213, China Patentee after: SICHUAN ZHIGE TECHNOLOGY Co.,Ltd. Address before: 610000 Wuhou District Wuhou new town administrative committee, Chengdu, Sichuan, 2 Wuyi East Road 15, 1 units, 2 level 231. Patentee before: CHENGDU JIUSHIDU INDUSTRIAL PRODUCTS DESIGN Co.,Ltd. |