CN110350821A - Friction nanometer power generator and its control signal recognition method based on respiration drive - Google Patents
Friction nanometer power generator and its control signal recognition method based on respiration drive Download PDFInfo
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- CN110350821A CN110350821A CN201910682490.0A CN201910682490A CN110350821A CN 110350821 A CN110350821 A CN 110350821A CN 201910682490 A CN201910682490 A CN 201910682490A CN 110350821 A CN110350821 A CN 110350821A
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- power generator
- friction nanometer
- nanometer power
- value
- signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
Abstract
The present invention provides a kind of friction nanometer power generator based on respiration drive and its control signal recognition method, and control signal recognition method includes the following steps: to detect whether environment changes；When environment changes, the output signal of friction nanometer power generator in setting time is detected；The average value for calculating friction nanometer power generator output signal in setting time, as baseline signal value；The output signal of real-time detection nano generator, judges whether the difference of itself and the baseline signal value is greater than setting difference；If it is greater, then being judged as the control signal that the output signal is issued by user.Technical solution provided by the present invention, baseline signal value is reacquired in environmental change, then the control signal issued according to the baseline signal value of reacquisition identification user, is able to solve the problem for leading to that inaccuracy is detected to nano generator output signal due to environmental change in the prior art.
Description
Technical field
The invention belongs to friction nanometer power generator technical fields, and in particular to a kind of friction nanometer hair based on respiration drive
Electric motor and controller signal recognition method.
Background technique
Friction nanometer power generator is generator made of the coupling based on electrostatic induction and triboelectrification, can be extensive
Using various energy, electric energy is converted by mechanical energy.Friction part is made of two layers of macromolecule membrane that electronegativity differs greatly,
The material friction to differ greatly by both electronegativity is to produce electricl energy, two kinds of material electronegativity.Two kinds of materials obtain power loss
The the otherness of son the big more is conducive to the generation of charge, is also beneficial to improve the delivery efficiency of friction nanometer power generator.
There are two basic characteristics for friction nanometer power generator: first is that the electric current that triboelectricity generates is smaller, is only used for micro-
The power supply of gadget generates detection signal；Second be in order to increase friction, improve generating efficiency, need material select and
Increase nanostructure in design.
Friction nanometer power generator based on respiration drive can generate electric signal according to the breathing of user, and work as user
Respiratory intensity and respiratory rate when changing, the electric signal that friction nanometer power generator generates can also generate corresponding variation.
Due to this characteristic of the nano generator based on respiration drive, it can be used instead of keyboard, remote controler etc. and controls signal output
Equipment application is in smart home system.
And in the friction nanometer power generator based on respiration drive in the prior art, if material selection it is improper or
Receive the influence of environment, it will influence the accuracy detected to nano generator output signal.
Summary of the invention
The object of the present invention is to provide a kind of friction nanometer power generator based on respiration drive and its control signal identification sides
Method, to solve the problems, such as that nano generator output signal is not easy detection in the prior art.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of friction nanometer power generator based on respiration drive, including control device, copper foil, metallic rod, polyester film and
Shell；The polyester film uses polyterephthalic acid ethane diacid, and the shell uses acrylic plastics；The copper foil setting exists
The middle position of shell side is arranged in the bottom of shell, the copper foil；Wherein one end of the polyester film is connected to metal
On bar；The control device includes controller, and controller is connected with voltage sensor and wireless communication module；The voltage sensor
Device is arranged at copper foil, for detecting the voltage signal of nano generator output.
Further, the top of the copper foil and shell is curved surface.
Further, the controller is also connected with Temperature Humidity Sensor and barometric pressure sensor.
A kind of friction nanometer power generator based on respiration drive provided by the present invention, polyester film use poly- terephthaldehyde
Sour ethanedioic acid, shell use acrylic plastics, and the electronegativity difference of both materials is larger, can increase nano generator output
The intensity of signal solves the problems, such as that nano generator output signal is not easy detection in the prior art.
A kind of control signal recognition method of the friction nanometer power generator based on respiration drive, including following method:
(1) whether detection environment changes；
(2) when environment changes, the output signal of friction nanometer power generator in setting time is detected；
(3) average value for calculating friction nanometer power generator output signal in setting time, as baseline signal value；
(4) output signal of real-time detection nano generator judges whether the difference of itself and the baseline signal value is greater than and sets
Determine difference；If it is greater, then being judged as the control signal that the output signal is issued by user.
Further, the whether changed method of environment is detected are as follows: obtain temperature information, the humidity of current time environment
Information and pressure information calculate temperature change value, humidity changing value and the air pressure change value at current time and previous moment environment,
Judge whether temperature change value, humidity changing value or air pressure change value are greater than corresponding setting changing value, if it is greater, then judgement
It changes for environment
The control signal recognition method of a kind of friction nanometer power generator based on respiration drive provided by the invention, in environment
Baseline signal value is reacquired when variation, then identifies that the control that user is issued is believed according to the baseline signal value of reacquisition
Number, it solves the problems, such as to cause to detect inaccuracy to nano generator output signal in the prior art due to environmental change.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the friction nanometer power generator in generator embodiment of the invention based on respiration drive；
Fig. 2 is the process for the method that controller identification user issues control signal in generator embodiment of the invention
Figure.
Specific embodiment
Generator embodiment:
The present embodiment provides a kind of friction nanometer power generator based on respiration drive, structure is as shown in Figure 1, include copper foil
1, metallic rod 2, polyester film 3 and shell 4.
The shape of shell 4 is cuboid-type, and material is using acrylic plastics.The bottom of shell 4 is arranged in copper foil 1
Portion, metallic rod 2 are fixed at the middle section of 4 side of shell.Polyester film 3 using polyethylene terephthalate,
One end of which is fixed in metallic rod 2, the other end is movable end, can freely up and down be moved when air-flow passes through shell 4.
Friction nanometer power generator based on respiration drive provided by the present embodiment, copper foil 1 therein be used as rubbing surface and
Electrode.Under the driving of human body respiration air-flow, 3 vibration at high speed of polyester film in the electric nano generator that rubs, due to polyester
Film 3 is different with the electronegativity of copper foil 1, using the principle of triboelectrification and electrostatic induction, connecing between polyester film 3 and copper foil 1
Touching separation, which will lead to, generates potential difference between copper foil 1 and ground, so as to export ac signal.
Friction nanometer power generator based on respiration drive provided by the present embodiment further includes signal processing apparatus, at signal
Reason device includes controller, and controller is connected with voltage sensor and radiofrequency launcher, and voltage sensor is arranged at copper foil 1,
For detecting the ac signal between copper foil 1 and ground, to obtain the output signal of nano generator.
Signal processing apparatus in friction nanometer power generator based on respiration drive provided by the present embodiment, controller
It is also connected with Temperature Humidity Sensor and air pressure probe, the temperature information and humidity of environment are obtained by Temperature Humidity Sensor
Information obtains the pressure information of environment by air pressure probe.Controller is used for the electricity detected according to temperature sensor
Signal is pressed to identify the control signal that user issues, and according to the temperature information of the environment detected, humidity information and pressure
Force information.
Controller identification user issues the process of the method for control signal as shown in Fig. 2, including the following steps:
(1) obtain current time environment temperature information, humidity information and pressure information, calculate current time and it is previous when
Temperature change value, humidity changing value and the air pressure change value for carving environment, judge temperature change value, humidity changing value or air pressure change
Whether value is greater than corresponding setting changing value, if it is greater, then being judged as that environment changes.
(2) when environment changes, the output signal of friction nanometer power generator in setting time is detected；
(3) average value of friction nanometer power generator output signal in setting time is calculated, and as signal criterion value；
(4) output signal of real-time detection nano generator calculates its difference between signal criterion value, judges the difference
Whether value is greater than setting difference, if it is greater, then being judged as that the output signal issues signal by user.
In order to increase the contact area between polyphosphazene polymer ester film 3 and copper foil 1, shell 4, the top of copper foil 1 and shell 4
For curved surface, when polyphosphazene polymer ester film 3 vibrates, the contact area between polyphosphazene polymer ester film 3 and copper foil 1, shell 4 is more
Greatly, the output signal of nano generator can not only be made to be more clear, and the guarantor to polyphosphazene polymer ester film 3 can be increased
Shield.
In the present embodiment when environment changes, frictional electric machine output letter in setting time first after acquisition environmental change
Number, then using its average value as signal criterion value, judge whether the signal of Nanoelectromechanical output is user according to a reference value
The signal issued；As other embodiments, is stored after environmental change and acquisition corresponding signal criterion value, work as ring
When border changes again, corresponding signal criterion value is found out from the data of storage.
Embodiment of the method:
It is and above-mentioned the present embodiment provides a kind of control signal recognition method of friction nanometer power generator based on respiration drive
In generator embodiment controller identification user issue control signal method it is identical.
Claims (5)
1. a kind of friction nanometer power generator based on respiration drive, which is characterized in that including control device, copper foil, metallic rod, gather
Ester film and shell；The polyester film uses polyterephthalic acid ethane diacid, and the shell uses acrylic plastics；The copper
The bottom of shell is arranged in foil, and the middle position of shell side is arranged in the copper foil；Wherein one end of the polyester film connects
It connects in metallic rod；The control device includes controller, and controller is connected with voltage sensor and wireless communication module；It is described
Voltage sensor is arranged at copper foil, for detecting the voltage signal of nano generator output.
2. the friction nanometer power generator according to claim 1 based on respiration drive, which is characterized in that the copper foil and shell
The top of body is curved surface.
3. the friction nanometer power generator according to claim 1 based on respiration drive, which is characterized in that the controller is also
It is connected with Temperature Humidity Sensor and barometric pressure sensor.
4. a kind of control signal recognition method of the friction nanometer power generator based on respiration drive as described in claim 1, special
Sign is, including following method:
(1) whether detection environment changes；
(2) when environment changes, the output signal of friction nanometer power generator in setting time is detected；
(3) average value for calculating friction nanometer power generator output signal in setting time, as baseline signal value；
(4) it is poor to judge whether the difference of itself and the baseline signal value is greater than setting for the output signal of real-time detection nano generator
Value；If it is greater, then being judged as the control signal that the output signal is issued by user.
5. the control signal recognition method of the friction nanometer power generator according to claim 4 based on respiration drive, special
Sign is, detects the whether changed method of environment are as follows: obtains temperature information, humidity information and the air pressure of current time environment
Information calculates temperature change value, humidity changing value and the air pressure change value at current time and previous moment environment, judges that temperature becomes
Whether change value, humidity changing value or air pressure change value are greater than corresponding setting changing value, if it is greater, then being judged as environment
Variation.
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| CN201910682490.0A CN110350821B (en) | 2019-07-26 | 2019-07-26 | Friction nanometer generator based on respiration driving and control signal identification method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113495627A (en) * | 2021-07-28 | 2021-10-12 | 郑州大学 | Language input man-machine interaction system based on respiration signal sensor |
Citations (3)
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|---|---|---|---|---|
| EP2078554A1 (en) * | 2008-01-14 | 2009-07-15 | MANN+HUMMEL GmbH | Filter device for filtering gaseous fluids |
| CN109412462A (en) * | 2018-10-17 | 2019-03-01 | 大连海事大学 | The miniature self energizing device that a kind of solar energy based on MTEG and TENG and wind energy are provided multiple forms of energy to complement each other |
| CN109450287A (en) * | 2018-10-17 | 2019-03-08 | 大连海事大学 | The miniature self energizing device that a kind of thermal energy based on MTEG and film Patting type TENG and wind energy are provided multiple forms of energy to complement each other |
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2019
- 2019-07-26 CN CN201910682490.0A patent/CN110350821B/en active Active
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|---|---|---|---|---|
| EP2078554A1 (en) * | 2008-01-14 | 2009-07-15 | MANN+HUMMEL GmbH | Filter device for filtering gaseous fluids |
| CN109412462A (en) * | 2018-10-17 | 2019-03-01 | 大连海事大学 | The miniature self energizing device that a kind of solar energy based on MTEG and TENG and wind energy are provided multiple forms of energy to complement each other |
| CN109450287A (en) * | 2018-10-17 | 2019-03-08 | 大连海事大学 | The miniature self energizing device that a kind of thermal energy based on MTEG and film Patting type TENG and wind energy are provided multiple forms of energy to complement each other |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113495627A (en) * | 2021-07-28 | 2021-10-12 | 郑州大学 | Language input man-machine interaction system based on respiration signal sensor |
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