CN107706301A - Degradable nano sequence arthrogryposis collection of energy device - Google Patents
Degradable nano sequence arthrogryposis collection of energy device Download PDFInfo
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- CN107706301A CN107706301A CN201711046033.XA CN201711046033A CN107706301A CN 107706301 A CN107706301 A CN 107706301A CN 201711046033 A CN201711046033 A CN 201711046033A CN 107706301 A CN107706301 A CN 107706301A
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- interdigital electrode
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- 208000008037 Arthrogryposis Diseases 0.000 title claims abstract description 14
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims abstract description 63
- 229920001432 poly(L-lactide) Polymers 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000002070 nanowire Substances 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000001052 transient effect Effects 0.000 claims description 5
- 238000003698 laser cutting Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 9
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005289 physical deposition Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/857—Macromolecular compositions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Prostheses (AREA)
Abstract
Degradable nano sequence arthrogryposis collection of energy device, it is related to wearable nano material technical field of power generation；Left side PLLA nanometers sequence and right side PLLA nanometer sequences are set side by side with flexible, bendable substrates, be connected to left side interdigital electrode and right side interdigital electrode on the inside of left side PLLA nanometers sequence and right side PLLA nanometer sequences, left side PLLA nanometers sequence be connected to left lead connection terminal on the outside of the PLLA nanometer sequences of right side and connect lead-out terminal with right side wire；Described left side interdigital electrode is arranged alternately with right side interdigital electrode.Mechanical energy is converted into electric energy during the present invention makes full use of human body joint motion, solves the collection of energy for the wearable related long-term powerup issue of intelligence sensor of human body, high sensitivity, collection efficiency height.
Description
Technical field
The present invention relates to wearable nano material technical field of power generation, and in particular to degradable nano sequence arthrogryposis energy
Measure collecting device.
Background technology
The energy is one of condition that the mankind survive substantially, if the mechanical energy of nature is converted into electric energy by a kind of mode
It is subject to trans-utilization, there can be great actual application value in terms of energy conversion.In addition, in biological field, human sensing
Micro- energy in device and organism obtains and an important research topic.If using the joint in people's walking process
It is either biological cell power supply or excitation to generate electricity as the power supply of wearable human body sensor, then is to have extensive social application valency
Value.
Conventional collection of energy principle has：Electromagnetic type, condenser type, triboelectricity and electret generate electricity.Most of energy
Collecting device is difficult to meet human-body biological, wearable demand and energy-conserving and environment-protective demand, this emerging high molecular polymerizations of PLLA
Thing material has obvious piezo-electric effect after through processing, and its material is degradable environmentally safe in addition, and frequency response is wide,
The features such as dynamic range is big, and power electricity converting sensitivity is high and mechanical properties strength is high is so as to causing in biologic medical and be able to wear
Power field is worn to widely use.Additionally, due to the rapid development of nanometer technology, nano wire is because its dimensional effect is relative to macroscopical thing
Matter has high sensitivity, and can produce the PLLA nano wire sequences of our needs in enormous quantities by way of electrostatic spinning.
Common generating Main Basiss generate electricity with piezoelectric principle, temperature difference principle, electromagnetic principle generates electricity, but it is difficult full that its shortcoming, which is,
Sufficient human-body biological, wearable demand and energy-conserving and environment-protective demand.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide one kind disclosure satisfy that human-body biological, can
The degradable nano sequence arthrogryposis collection of energy device of wearing demand and energy-conserving and environment-protective demand.
To achieve the above object, the technical solution adopted by the present invention is：It includes left lead connection terminal, flexible bendable
Bent substrate, left side PLLA nanometers sequence, left side interdigital electrode, right side interdigital electrode, right side PLLA nanometers sequence, right side wire connect
Connect lead-out terminal；Left side PLLA nanometers sequence and right side PLLA nanometer sequences are set side by side with described flexible, bendable substrates
Arrange, left side interdigital electrode and the interdigital electricity in right side are connected on the inside of left side PLLA nanometers sequence and right side PLLA nanometer sequences
Left lead connection terminal is connected on the outside of pole, left side PLLA nanometers sequence and right side PLLA nanometer sequences and right side is led
Line connects lead-out terminal；Described left side interdigital electrode is arranged alternately with right side interdigital electrode.
Preferably, described flexible, bendable substrates have toughness and are easily embedded into wearable garment or human body pass
Section, so as to facilitate technique to prepare, and light weight, shock resistance are good.
Preferably, it is that current and voltage signals are defeated that described left lead connection terminal, which is connected lead-out terminal with right side wire,
Exit port, its caused charge signal can be exported by the port.
Preferably, described left side interdigital electrode uses conductive metallic material and MEMS technology system with right side interdigital electrode
Standby or laser cutting mode prepares mask plate, and alternate transient current is exported as electrode；Interdigital quantity reacts at double
Increase output current signal.
Preferably, described left side PLLA nanometers sequence and right side PLLA nanometers sequence increase piezoelectric output signal.
Preferably, described left side PLLA nanometers sequence and right side PLLA nanometers sequence is prepared using electrostatic means, production
Raw orderly nano wire sequence, and can guarantee that the uniformity in piezoelectricity direction.
Preferably, several nano wires are distributed with described left side PLLA nanometers sequence and right side PLLA nanometer sequences
Post.
The present invention operation principle be：It is fixed on human synovial, with human body joint motion, is embedded in left side and pitches
Refer to electrode to move with the bending of human synovial with the piezoelectricity PLLA nano wires sequence in the interdigital electrode of right side, piezoelectric
PLLA nano wires can be alternately produced moment electric charge, and its caused electric charge can export detected, its output by left and right interdigital electrode
Transient state electric signal can by human body sensor utilize or be stored.
After said structure, had the beneficial effect that caused by the present invention：
1st, mechanical energy is converted into electric energy during making full use of human body joint motion, solves to be used for the wearable related intelligence of human body
The collection of energy of the energy long-term powerup issue of sensor, when with human body walking joint motions, achievable human motion can arrive electric energy
Effective conversion, the continued power available for human body wearable sensors part；
2nd, due to the mode of interdigital electrode, the single nano-wire output charge of piezo electrics can be significantly greatly increased, so as to
The sensitivity of device can be greatly improved；It is alternatively arranged as the single electrode way of output and carries out arthrogryposis collection of energy, test finds single
Electrode energy collection efficiency is much higher than bipolar electrode collection of energy mode；
3rd, the wearable generating of piezoelectricity degradation material, the voltage and electric current sent is high compared to conventional principle, and be more convenient for people
Body sensor uses.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention；
Fig. 2 is the structure chart of PLLA nanometers sequence and right side PLLA nanometer sequences on the left of the present invention；
Fig. 3 is electric current output curve diagram of the present invention；
Fig. 4 is voltage output curve map of the present invention.
Description of reference numerals：
Left lead connection terminal 1, flexible, bendable substrates 2, left side PLLA nanometers sequence 3, left side interdigital electrode 4, the right side
Side interdigital electrode 5, right side PLLA nanometers sequence 6, right side wire connection lead-out terminal 7.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Referring to such as Fig. 1 --- shown in Fig. 4, present embodiment adopts the following technical scheme that：It connects comprising left lead
Connecting terminal 1, flexible, bendable substrates 2, left side PLLA nanometers sequence 3, left side interdigital electrode 4, right side interdigital electrode 5, right side
PLLA nanometers sequence 6, right side wire connection lead-out terminal 7；Left side PLLA is set side by side with described flexible, bendable substrates 2
The inner side of nanometer sequence 3 and right side PLLA nanometers sequence 6, left side PLLA nanometers sequence 3 and right side PLLA nanometers sequence 6 connects respectively
It is connected to the outside point of left side interdigital electrode 4 and right side interdigital electrode 5, left side PLLA nanometers sequence 3 and right side PLLA nanometers sequence 6
Left lead connection terminal 1 is not connected with connects lead-out terminal 7 with right side wire；Described left side interdigital electrode 4 is pitched with right side
Refer to electrode 5 to be arranged alternately.
Described flexible, bendable substrates 2 have toughness and are easily embedded into wearable garment or human synovial, so as to
Technique is facilitated to prepare, and light weight, shock resistance are good.
It is current and voltage signals output port that described left lead connection terminal 1, which is connected lead-out terminal 7 with right side wire,
Its caused charge signal can be exported by the port.
Described left side interdigital electrode 4 prepared with right side interdigital electrode 5 using conductive metallic material and MEMS technology or
Laser cutting mode prepares mask plate, and alternate transient current is exported as electrode；Interdigital quantity react on be multiplied it is defeated
Go out current signal.
Described left side PLLA nanometers sequence 3 and right side PLLA nanometers sequence 6 increase piezoelectric output signal.
Described left side PLLA nanometers sequence 3 and right side PLLA nanometers sequence 6 are prepared using electrostatic means, are produced orderly
Nano wire sequence, and can guarantee that the uniformity in piezoelectricity direction.
Several nanometer of terminal is distributed with described left side PLLA nanometers sequence 3 and right side PLLA nanometers sequence 6.
Present embodiment develops interdigital electrode groove using MEMS uv-exposures technique, and single tine refers to the size of horn
Length is 100 μm of -10mm, and width is 0.1 μm of -1mm, and thickness can be 1 μm -50 μm, and interdigital quantity can be 4-20.
Present embodiment is held very much using conductive material of the metal as interdigital electrode, this kind of materials such as gold, copper or silver
Easily grow up to metallic film on flexible, bendable substrates 2 by way of gas phase physical deposition (PVD)；The growth of interdigital electrode
It can be 0.1 μm of -1mm to go out film thickness；
The preferential the selection of material PET or Kapton of flexible, bendable substrates 2 described in present embodiment, such material valency
Lattice are cheap, and degree of flexibility is good, and human body is not injured.In addition such material easily carries out MEMS technology processing, such as uv-exposure
Processing；Wherein the thickness of flexible substrates can be 20 μm of -2mm；
Present embodiment preferentially prepares left side PLLA nanometers sequence 3 and right side PLLA nanometers from electrospinning process
Sequence 6, its reason are that this method is simple and caused PLLA nano wires sequence permutation is regular.Preferentially use PLLA and dichloromethane
(DCM) solution ratio is 10%-25%, and main cause is that the proportioning can imitate out preferably PLLA nano wires in order.
The operation principle of present embodiment is：It is fixed on human synovial, it is embedded with human body joint motion
It can be moved in left side interdigital electrode 4 and the piezoelectricity PLLA nano wires sequence in right side interdigital electrode 5 with the bending of human synovial,
Piezoelectric PLLA nano wires can be alternately produced moment electric charge, and its caused electric charge can be exported by left and right interdigital electrode and visited
Survey, its transient state electric signal exported can be utilized or be stored by human body sensor.
After said structure, had the beneficial effect that caused by present embodiment：
1st, mechanical energy is converted into electric energy during making full use of human body joint motion, solves to be used for the wearable related intelligence of human body
The collection of energy of the energy long-term powerup issue of sensor, when with human body walking joint motions, achievable human motion can arrive electric energy
Effective conversion, the continued power available for human body wearable sensors part；
2nd, due to the mode of interdigital electrode, the single nano-wire output charge of piezo electrics can be significantly greatly increased, so as to
The sensitivity of device can be greatly improved；It is alternatively arranged as the single electrode way of output and carries out arthrogryposis collection of energy, test finds single
Electrode energy collection efficiency is much higher than bipolar electrode collection of energy mode；
3rd, the wearable generating of piezoelectricity degradation material, the voltage and electric current sent is high compared to conventional principle, and be more convenient for people
Body sensor uses.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The skill of the industry
For art personnel it should be appreciated that the present invention is not limited to the above embodiments, described in above-described embodiment and specification is explanation
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (7)
1. degradable nano sequence arthrogryposis collection of energy device, it is characterised in that：It includes left lead connection terminal, soft
Property flexible substrate, left side PLLA nanometers sequence, left side interdigital electrode, right side interdigital electrode, right side PLLA nanometers sequence, right side
Wire connects lead-out terminal；Left side PLLA nanometers sequence is set side by side with described flexible, bendable substrates and right side PLLA receives
Left side interdigital electrode and right side fork are connected on the inside of meter Xu Lie, left side PLLA nanometers sequence and right side PLLA nanometer sequences
Refer to electrode, left lead connection terminal and the right side are connected on the outside of left side PLLA nanometers sequence and right side PLLA nanometer sequences
Side wire connection lead-out terminal；Described left side interdigital electrode is arranged alternately with right side interdigital electrode.
2. degradable nano sequence arthrogryposis collection of energy device according to claim 1, it is characterised in that：Described
Flexible, bendable substrates have toughness and are easily embedded into wearable garment or human synovial, so as to facilitate technique to prepare, and
Light weight, shock resistance are good.
3. degradable nano sequence arthrogryposis collection of energy device according to claim 1, it is characterised in that：Described
It is current and voltage signals output port that left lead connection terminal, which is connected lead-out terminal with right side wire, its caused charge signal
It can be exported by the port.
4. degradable nano sequence arthrogryposis collection of energy device according to claim 1, it is characterised in that：Described
Left side interdigital electrode is prepared with right side interdigital electrode using conductive metallic material and MEMS technology or prepared by laser cutting mode
Mask plate, alternate transient current is exported as electrode；Interdigital quantity reacts on the output current signal that is multiplied.
5. degradable nano sequence arthrogryposis collection of energy device according to claim 1, it is characterised in that：Described
Left side PLLA nanometers sequence and right side PLLA nanometers sequence increase piezoelectric output signal.
6. degradable nano sequence arthrogryposis collection of energy device according to claim 1, it is characterised in that：Described
Left side PLLA nanometers sequence and right side PLLA nanometers sequence are prepared using electrostatic means, produce orderly nano wire sequence, and energy
Ensure the uniformity in piezoelectricity direction.
7. degradable nano sequence arthrogryposis collection of energy device according to claim 1, it is characterised in that：Described
Several nanometer of terminal is distributed with left side PLLA nanometers sequence and right side PLLA nanometer sequences.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046033.XA CN107706301B (en) | 2017-10-31 | 2017-10-31 | Degradable nano-sequence joint bending energy collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046033.XA CN107706301B (en) | 2017-10-31 | 2017-10-31 | Degradable nano-sequence joint bending energy collection device |
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| Publication Number | Publication Date |
|---|---|
| CN107706301A true CN107706301A (en) | 2018-02-16 |
| CN107706301B CN107706301B (en) | 2023-10-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517388A (en) * | 2021-05-21 | 2021-10-19 | 西安电子科技大学 | Degradable piezoelectric energy collector and preparation method thereof |
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| CN102460351A (en) * | 2009-06-11 | 2012-05-16 | 株式会社村田制作所 | Touch screen and touch-type input device |
| JP2014235133A (en) * | 2013-06-04 | 2014-12-15 | 日本写真印刷株式会社 | Piezoelectric sensor and pressure detection device |
| CN105915117A (en) * | 2016-04-19 | 2016-08-31 | 中北大学 | Friction-piezoelectricity-magnetoelectricity composite vibration miniature energy collector |
| KR101653110B1 (en) * | 2015-07-15 | 2016-09-01 | 경희대학교 산학협력단 | Nano generator using pla piezoelectric material of nanofiber web type by electrospinning |
| JP2017017831A (en) * | 2015-06-30 | 2017-01-19 | 帝人株式会社 | Energy harvesting device |
| CN107293639A (en) * | 2016-03-31 | 2017-10-24 | 北京纳米能源与系统研究所 | Application of the PLLA fibrous material in piezoelectric device |
| CN207338431U (en) * | 2017-10-31 | 2018-05-08 | 深圳市柔纬联科技有限公司 | Degradable nano sequence arthrogryposis collection of energy device |
-
2017
- 2017-10-31 CN CN201711046033.XA patent/CN107706301B/en active Active
Patent Citations (8)
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|---|---|---|---|---|
| JP2002182843A (en) * | 2000-12-19 | 2002-06-28 | Koji Toda | Ultrasonic wave touch position detection device |
| CN102460351A (en) * | 2009-06-11 | 2012-05-16 | 株式会社村田制作所 | Touch screen and touch-type input device |
| JP2014235133A (en) * | 2013-06-04 | 2014-12-15 | 日本写真印刷株式会社 | Piezoelectric sensor and pressure detection device |
| JP2017017831A (en) * | 2015-06-30 | 2017-01-19 | 帝人株式会社 | Energy harvesting device |
| KR101653110B1 (en) * | 2015-07-15 | 2016-09-01 | 경희대학교 산학협력단 | Nano generator using pla piezoelectric material of nanofiber web type by electrospinning |
| CN107293639A (en) * | 2016-03-31 | 2017-10-24 | 北京纳米能源与系统研究所 | Application of the PLLA fibrous material in piezoelectric device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517388A (en) * | 2021-05-21 | 2021-10-19 | 西安电子科技大学 | Degradable piezoelectric energy collector and preparation method thereof |
| CN113517388B (en) * | 2021-05-21 | 2023-10-13 | 西安电子科技大学 | Degradable piezoelectric energy collector and preparation method thereof |
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| CN107706301B (en) | 2023-10-31 |
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