CN107919815A - 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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- CN107919815A CN107919815A CN201711301152.5A CN201711301152A CN107919815A CN 107919815 A CN107919815 A CN 107919815A CN 201711301152 A CN201711301152 A CN 201711301152A CN 107919815 A CN107919815 A CN 107919815A
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- signaling zero
- collecting device
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 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 9
- 230000005611 electricity Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229920001342 Bakelite® Polymers 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process 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
- 230000010355 oscillation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 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 invention discloses a kind of control method of the energy collecting device control system based on piezo-electric generating, it is characterised in that：Comprise 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 deformation quantity is converted into digital signaling zero 1, uploads to microcontroller；Step 2：Microcontroller receives the digital signal of detection module upload, by the deformation threshold value comparison of digital signaling zero 1 and default piezoelectric bimorph, is sent if more than threshold value and performs signal 001；Step 3：Execution module receives to perform signal 001, and the volume under pressure and speed of pressurizing unit reduce, until being less than threshold value, just recover 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 technology
In the energy such as thermal energy, wind energy, acoustic energy, whose energy, solar energy, mechanical energy and mankind's activity energy existing for surrounding environment
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.The method for collecting energy from various energy sources has many kinds, such as electricity
Magnetic induction, electrostatic, radio-frequency radiation and piezoelectric effect etc., mechanical oscillation are a kind of forms of generally existing in environment, vibrational energy
The principle of collection is that collecting vibrational energy generally has three kinds of sides using the displacement of sensor or mechanical deformation so as to produce electricl energy
Formula：Using 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 turn is restricted, and the limitation for also having Oscillation Amplitude can accordingly cause the reduction of electromagnetic device speed；Electrostatic device produces
Be high voltage, low current and high output impedance, also have the problem of electric pole short circuit；, can and the conversion performance of piezoelectric is very high
To obtain very high energy density, it is widely used.
Present piezoelectric generating device uses single-chip, there was only a piezoelectric patches in chip, while in power generator
The chip of setting is all individual 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 controls, and is easily damaged.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided one kind is comprising piezo-electric generating, rectification and deposits
Store up the energy collecting device of function and control system, use piezoelectric bimorph in power generator, at the same chip superposition with simultaneously
Connection is set, and energy conversion efficiency is high, while generating voltage is carried out four voltage multiplying rectifiers, there is provided maximum voltage, and one kind is provided
The method automatically controlled to energy collecting device.
The technical solution adopted by the present 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, comprises 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 by deformation
Amount is converted into digital signaling zero 1, uploads to microcontroller；Rectified voltage is converted into digital signal by rectified voltage detection device at the same time
02, upload to microcontroller；Detection electricity is also converted into digital signaling zero 3 by the detection device on super capacitor, uploads to monolithic
Machine；
Step 2：Microcontroller receives the digital signal of detection module upload, by digital signaling zero 1 and default piezoelectric bimorph
Deformation threshold value comparison, sends if more than threshold value and performs signal 001；By digital signaling zero 2 and the extreme voltage values pair of default capacitance
Than being sent if more than extreme voltage values and performing signal 002；The capability value of digital signaling zero 3 and default super capacitor is contrasted,
Sent if more than capability value and perform signal 003；
Step 3：Execution module receives to perform signal 001, and the volume under pressure and speed of pressurizing unit reduce, until being less than threshold value,
Recover amount of compression and speed；Execution module receives to perform signal 002, and rectifier switch disconnects, and reduces generating voltage, until rectified current
Pressure is less than extreme voltage values, and execution module receives to perform signal 003, pressurizing unit is stopped, also shuts off rectifier switch
And capacitance switch.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, generating efficiency is high.Piezoelectric chip in the present invention uses piezoelectric bimorph, while is arranged to the multiple twin lamellas of same layer
In parallel and multilayer twin lamella series connection, greatly improves the output power of piezoelectric generating device, so as to improve collection of energy dress
The efficiency put.
2nd, 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 at the same time, high-voltage dc voltage is provided for storage device, carries out electric power storage.
3rd, storing electricity is more.The super capacitor that the present invention uses, can store more electricity, and the use for after provides
More electricity.
4th, automatically controlling for energy collecting device can be carried out.Control system in the present invention, can be between conditioning unit
Cooperation, while whole collection process is controlled, reduces the generation of damage, extend the service life of device, while improve energy
Collection efficiency.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the structure diagram of the energy collecting device of the invention based on piezo-electric generating.
Marked 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.
Marked 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 of the invention based on piezo-electric generating.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary）Disclosed in any feature, unless specifically stated,
Replaced by other equivalent or with similar purpose alternative features.I.e., 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
State 6 upper surface of bottom plate and be provided at both ends with fixed column 4, bottom plate 6 and fixed column 4 are integral type, and it is vertical to be provided with 4 inner wall of fixed column
The inside multiple grooves of arrangement, the groove in two fixed columns 4 are correspondingly arranged, and on same horizontal line, pressure is equipped with 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 with chip 5；There is cover board 2 on the limiting 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
Level capacitance, shunt regulator diode.
The energy collecting device based on piezo-electric generating of the present invention, the piezoelectric bimorph chip arrays include same layer parallel connection
The piezoelectric bimorph of N number of piezoelectric bimorph and N layer series connection, 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 arranged between two pieces of piezoelectric patches 51, has glue between sheet metal 53 and piezoelectric patches 51
Layer；Conducting wire 3 is connected on the sheet metal 53 and piezoelectric patches 51, is connected between two piezoelectric patches 51 with conducting wire 3.
The energy collecting device based on piezo-electric generating of the present invention, 53 length of sheet metal is 60mm, thickness is
0.5mm, 51 length of piezoelectric patches are 42mm, thickness 0.15mm；The length ratio of piezoelectric patches 51 and sheet metal 53 is 0.7.Meeting
On the premise of the requirement of generating device structure size, the optimum length ratio of piezoelectric patches and substrate is 0.7.
The present invention the energy collecting device based on piezo-electric generating, the piezoelectric patches using doping vario-property high-performance
PZT piezoceramic materials.
The energy collecting device based on piezo-electric generating of the present invention, the bottom plate and cover board all using bakelite material,
Size is 400mm × 400mm；The thickness of impact block is 10mm, and 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
Into, D1, C1 and power generation output composition closed circuit, D1, D2 and C2 composition closed circuit, D2, D3 and C3 composition 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 capacitance electric quantity detection apparatus；It is described
Deformation detecting device is arranged at 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 capacitance electric quantity detection apparatus, is used for
Detect the electricity in super capacitor；The central processing unit is using microcontroller, and pre- for receiving the signal of detection module
If value is compared, generation performs signal；The execution module, including contacted with cover board pressurizing unit, be arranged at rectified current
Rectifier switch between road and storage device and the capacitance switch being arranged on capacitance；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, its step are：
Step 1：After power generator is started to work, the deformation quantity of piezoelectric bimorph is detected by deformation detecting device, and by deformation
Amount is converted into digital signaling zero 1, uploads to microcontroller；Rectified voltage is converted into digital signal by rectified voltage detection device at the same time
02, upload to microcontroller；Detection electricity is also converted into digital signaling zero 3 by the detection device on super capacitor, uploads to monolithic
Machine；
Step 2：Microcontroller receives the digital signal of detection module upload, by digital signaling zero 1 and default piezoelectric bimorph
Deformation threshold value comparison, sends if more than threshold value and performs signal 001；By digital signaling zero 2 and the extreme voltage values pair of default capacitance
Than being sent if more than extreme voltage values and performing signal 002；The capability value of digital signaling zero 3 and default super capacitor is contrasted,
Sent if more than capability value and perform signal 003；
Step 3：Execution module receives to perform signal 001, and the volume under pressure and speed of pressurizing unit reduce, until being less than threshold value,
Recover amount of compression and speed；Execution module receives to perform signal 002, and rectifier switch disconnects, and reduces generating voltage, until rectified current
Pressure is less than extreme voltage values, and execution module receives to perform signal 003, pressurizing unit is stopped, also shuts off rectifier switch
And capacitance switch.
The invention is not limited in foregoing embodiment.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)
- A kind of 1. control method of the energy collecting device control system based on piezo-electric generating, it is characterised in that：Including following step Suddenly：Step 1：After power generator is started to work, the deformation quantity of piezoelectric bimorph is detected by deformation detecting device, and by deformation Amount is converted into digital signaling zero 1, uploads to microcontroller；Rectified voltage is converted into digital signal by rectified voltage detection device at the same time 02, upload to microcontroller；Detection electricity is also converted into digital signaling zero 3 by the detection device on super capacitor, uploads to monolithic Machine；Step 2：Microcontroller receives the digital signal of detection module upload, by digital signaling zero 1 and default piezoelectric bimorph Deformation threshold value comparison, sends if more than threshold value and performs signal 001；By digital signaling zero 2 and the extreme voltage values pair of default capacitance Than being sent if more than extreme voltage values and performing signal 002；The capability value of digital signaling zero 3 and default super capacitor is contrasted, Sent if more than capability value and perform signal 003；Step 3：Execution module receives to perform signal 001, and the volume under pressure and speed of pressurizing unit reduce, until being less than threshold value, Recover amount of compression and speed；Execution module receives to perform signal 002, and rectifier switch disconnects, and reduces generating voltage, until rectified current Pressure is less than extreme voltage values, and execution module receives to perform signal 003, pressurizing unit is stopped, also shuts off rectifier switch 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105915114A (en) | 2016-08-31 |
| CN107919815B (en) | 2019-05-31 |
| CN105915114B (en) | 2018-05-01 |
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