CN106787946A - Road vibration energy regenerating TRT and method based on three-dimensional metamaterial - Google Patents
Road vibration energy regenerating TRT and method based on three-dimensional metamaterial Download PDFInfo
- Publication number
- CN106787946A CN106787946A CN201710132172.8A CN201710132172A CN106787946A CN 106787946 A CN106787946 A CN 106787946A CN 201710132172 A CN201710132172 A CN 201710132172A CN 106787946 A CN106787946 A CN 106787946A
- Authority
- CN
- China
- Prior art keywords
- cantilever beam
- shell
- lower hemisphere
- energy regenerating
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims description 26
- 239000000919 ceramic Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004088 simulation Methods 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
- H02N2/183—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using impacting bodies
Abstract
The invention discloses a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial and method, including many cantilever beam loop configuration, upper hemispherical shell and lower hemisphere shell；The material of upper hemispherical shell and lower hemisphere shell is three-dimensional metamaterial, and many cantilever beam loop configuration are arranged on inside the hollow sphere of upper hemispherical shell and lower hemisphere shell composition；Three-dimensional metamaterial spherical shell of the invention can realize that the vibration wave of omni-directional is converged, and can substantially reclaim road vibration wave energy, and many cantilever beam loop configuration being capable of maximally effective conversion electric energy；Electric energy can also be translated into while reduction frequent vibration satisfies the need surface damage, it is achieved thereby that effective utilization of energy.
Description
Technical field
The present invention relates to road vibrational energy and Meta Materials technical field, more particularly to a kind of road based on three-dimensional metamaterial
Surface vibration energy regenerating TRT and method.
Background technology
Meta Materials are the no people's producing material for acoustics with special nature of a class nature very popular recently
Material.The ripple of Meta Materials converges characteristic and great application prospect is presented in terms of vibration energy absorption.And Meta Materials are divided into one
Dimension, two and three dimensions, wherein three-dimensional metamaterial are converged due to that can realize omni-directional vibration wave, and application prospect is more wide.
The noise of modern society is mainly low-frequency noise, including traffic low-frequency noise and electric low-frequency noise.Wherein road
The vibrational energy produced in vehicle to run causes people greatly to pay close attention to as a kind of new new energy, once proposing just quickly
Utilization is converted in road vibrational energy.
Cut-off 2013, highway in China mileage reaches 4,230,000 kilometers, and car ownership reaches 1.37 hundred million, forms complete
State's highway day motor vehicle average traffic 21305, car ownership annual growth 14%, the Department of Science and Technology plans 2020-
The year two thousand thirty hybrid vehicle and pure electric automobile are accounted under 50% background, if the dynamic loading that China's vehicle-road is formed
Circulate effective the collecting of the vibrational energy for producing and be converted into electric energy, its application prospect will be greatly wide, can really realize energy
The replacement in source.
Climente in 2012 etc. exists《Applied Physics Letters》On design omni-directional acoustic metamaterial,
And simulation study has been carried out to it；The same year, Scientific American Online also report the structure super material of sound wave online
Expect the prospect of wireless charging, the ripple of Meta Materials converges characteristic and presents great application prospect in electric energy conversion aspect.
The frequency of axial vibration and the structural vibration of bituminous paving will meet bituminous paving vibrational energy generally in 0-50Hz
High efficiency is reclaimed, and also to match pavement asphalt thickness, while vibrating recovery system will also have packaging effects and compacting resistance
Power, and the Meta Materials for occurring in recent years can realize that omni-directional sound wave is converged and above mentioned problem is readily solved.
The content of the invention
It is an object of the invention to provide a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial and side
Method, to solve the problems, such as the noise vibration energy regenerating of traffic.
To achieve the above object, the present invention uses following technical scheme：
A kind of road vibration energy regenerating TRT based on three-dimensional metamaterial, including many cantilever beam loop configuration, on
Hemispherical Shell and lower hemisphere shell；The material of upper hemispherical shell and lower hemisphere shell is three-dimensional metamaterial, and many cantilever beam loop configuration are arranged on
Inside the hollow sphere of upper hemispherical shell and lower hemisphere shell composition；
Many cantilever beam loop configuration include main body and piezoelectric cantilever；Main body includes cross bar and semi-disc, piezoelectric cantilever
Including cantilever beam fixing end, piezoelectric ceramics and substrate；The upper surface for being set in parallel in lower hemisphere shell, cross bar are fixed in one end of cross bar
The other end be vertically fixed on the side of semi-disc, and point to the center of circle of lower hemisphere shell upper surface；The opposite side of semi-disc along
Semi-disc arc spaced set has several cantilever beam fixing ends, and substrate is vertically installed with each cantilever beam fixing end, each
The upper and lower surface of substrate is fixedly installed piezoelectric ceramics.
Further, the model SUS301 of substrate, its Young's modulus is 193GPa.
Further, the fixed-direction of each substrate is differed；The thickness of each substrate is differed, zig model
It is 0.1-0.5mm to enclose.
Further, piezoelectric ceramics is PZT-5H.
Further, the length of each piezoelectric ceramics is differed, and thickness is 0.2mm.
Further, it is provided with full bridge rectifier in cantilever beam fixing end；Wire is also associated with cantilever beam fixing end；
The metallic channel of upper hemispherical shell is provided through on upper hemispherical shell, the wire in cantilever beam fixing end is drawn from metallic channel.
Further, a kind of energy regenerating generating side of the road vibration energy regenerating TRT based on three-dimensional metamaterial
Method, the road vibration energy regenerating TRT based on three-dimensional metamaterial includes many cantilever beam loop configuration, upper hemispherical shell
And lower hemisphere shell；The material of upper hemispherical shell and lower hemisphere shell is three-dimensional metamaterial, and many cantilever beam loop configuration are arranged on episphere
Inside the hollow sphere of shell and lower hemisphere shell composition；
Many cantilever beam loop configuration include main body and piezoelectric cantilever；Main body includes cross bar and semi-disc, piezoelectric cantilever
Including cantilever beam fixing end, piezoelectric ceramics and substrate；The upper surface for being set in parallel in lower hemisphere shell, cross bar are fixed in one end of cross bar
The other end be vertically fixed on the side of semi-disc, and point to the center of circle of lower hemisphere shell upper surface；The opposite side of semi-disc along
Semi-disc arc spaced set has several cantilever beam fixing ends, and substrate is vertically installed with each cantilever beam fixing end, each
The upper and lower surface of substrate is fixedly installed piezoelectric ceramics；
Full bridge rectifier is provided with cantilever beam fixing end；Wire is also associated with cantilever beam fixing end；Upper hemispherical shell
On be provided through the metallic channel of upper hemispherical shell, the wire in cantilever beam fixing end is drawn from metallic channel；
The energy regenerating electricity-generating method of the road vibration energy regenerating TRT based on three-dimensional metamaterial, including with
Lower step：
1) by several, the device is placed side by side under bituminous paving, and by wire, by several, the device has been connected in parallel
Come；
2) when there is vehicle to press through the bituminous paving for being embedded with the device, the vibration wave of different frequency range is incident, upper hemispherical shell
The vibration wave of the different frequency range of all directions can be converged in ball with lower hemisphere shell, the vibration wave for bringing together makes in ball
Each piezoelectric cantilever produces vibration, according to direct piezoelectric effect, produces electric current；
3) alternating current is changed into direct current by the electric current for producing by the full bridge rectifier in cantilever beam fixing end, then
The electric current produced on each piezoelectric cantilever is gathered together by conductor in parallel.
Compared with prior art, the present invention has following technique effect：
Three-dimensional metamaterial spherical shell of the invention can realize that the vibration wave of omni-directional is converged, and can substantially reclaim road vibration
Wave energy, many cantilever beam loop configuration being capable of maximally effective conversion electric energy；While reduction frequent vibration satisfies the need surface damage also
Electric energy can be translated into, it is achieved thereby that effective utilization of energy.The size of three-dimensional metamaterial structure, bear pressure can
With bituminous paving thickness, there is protectiveness to many cantilever beam loop configuration；Vibration isolation effect can be played simultaneously, reduce bituminous paving
Internal Vibration propagation, has delayed the fatigue damage of bituminous paving.
Brief description of the drawings
Fig. 1 is the front view of road vibration energy regenerating TRT of the present invention based on three-dimensional metamaterial；
Fig. 2 is the top view of road vibration energy regenerating TRT of the present invention based on three-dimensional metamaterial；
Fig. 3 is scheme of installation under road surface of the present invention.
Wherein：1- upper hemispherical shells；2- lower hemisphere shells；The many cantilever beam loop configuration of 3-；4- piezoelectric cantilevers；5- full-bridge rectifications
Circuit；6- piezoelectric ceramics；7- substrates；8- metallic channels；
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described：
Fig. 1 and Fig. 2, a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial are referred to, including is hanged more
Arm beam loop configuration 3, upper hemispherical shell 1 and lower hemisphere shell 2；The material of upper hemispherical shell 1 and lower hemisphere shell 2 is three-dimensional metamaterial, many
Cantilever beam loop configuration 3 is arranged on inside the hollow sphere of upper hemispherical shell 1 and the composition of lower hemisphere shell 2；
Many cantilever beam loop configuration 3 include main body and piezoelectric cantilever 4；Main body includes cross bar and semi-disc, piezoelectric cantilever
Beam 4 includes cantilever beam fixing end, piezoelectric ceramics 6 and substrate 7；The upper table for being set in parallel in lower hemisphere shell 2 is fixed in one end of cross bar
Face, the other end of cross bar is vertically fixed on the side of semi-disc, and points to the center of circle of the upper surface of lower hemisphere shell 2；Semi-disc it is another
There are several cantilever beam fixing ends side along semi-disc arc spaced set, and base is vertically installed with each cantilever beam fixing end
Plate 7, the upper and lower surface of each substrate 7 is fixedly installed piezoelectric ceramics 6.
The model SUS301 of substrate 7, its Young's modulus is 193GPa.
The fixed-direction of each substrate 7 is differed；The thickness of each substrate 7 is differed, and the length range of substrate 7 is
0.1-0.5mm。
Piezoelectric ceramics 6 is PZT-5H.
The length of each piezoelectric ceramics 6 is differed, and thickness is 0.2mm.
Full bridge rectifier 5 is provided with cantilever beam fixing end；Wire is also associated with cantilever beam fixing end；Upper hemispherical shell
The metallic channel of upper hemispherical shell 1 is provided through on 1, the wire in cantilever beam fixing end is drawn from metallic channel.
Fig. 3 is referred to, several devices are placed side by side under bituminous paving, it is by wire that several devices are in parallel
Couple together；
Operation principle is comprised the following steps：
1) by several, the device is placed side by side under bituminous paving, and by wire, by several, the device has been connected in parallel
Come；
2) when there is vehicle to press through the bituminous paving for being embedded with the device, the vibration wave of different frequency range is incident, upper hemispherical shell 1
The vibration wave of the different frequency range of all directions can be converged in ball with lower hemisphere shell 2, the vibration wave for bringing together makes in ball
Each piezoelectric cantilever 4 produce vibration, according to direct piezoelectric effect, produce electric current；
3) alternating current is changed into direct current by the electric current for producing by the full bridge rectifier in cantilever beam fixing end, then
The electric current produced on each piezoelectric cantilever 4 is gathered together by conductor in parallel.
Claims (7)
1. a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial, it is characterised in that including many cantilever beam rings
Shape structure (3), upper hemispherical shell (1) and lower hemisphere shell (2)；The material of upper hemispherical shell (1) and lower hemisphere shell (2) is three-dimensional super material
Material, many cantilever beam loop configuration (3) are arranged on inside the hollow sphere of upper hemispherical shell (1) and lower hemisphere shell (2) composition；
Many cantilever beam loop configuration (3) include main body and piezoelectric cantilever (4)；Main body includes cross bar and semi-disc, piezoelectric cantilever
Beam (4) includes cantilever beam fixing end, piezoelectric ceramics (6) and substrate (7)；One end of cross bar is fixed and is set in parallel in lower hemisphere shell
(2) upper surface, the other end of cross bar is vertically fixed on the side of semi-disc, and points to the center of circle of lower hemisphere shell (2) upper surface；
The opposite side of semi-disc has several cantilever beam fixing ends along semi-disc arc spaced set, is hung down in each cantilever beam fixing end
Substrate (7) directly is provided with, the upper and lower surface of each substrate (7) is fixedly installed piezoelectric ceramics (6).
2. a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial according to claim 1, its feature
It is, the model SUS301 of substrate (7) that its Young's modulus is 193GPa.
3. a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial according to claim 2, its feature
It is that the fixed-direction of each substrate (7) is differed；The thickness of each substrate (7) is differed, substrate (7) length range
It is 0.1-0.5mm.
4. a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial according to claim 1, its feature
It is that piezoelectric ceramics (6) is PZT-5H.
5. a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial according to claim 4, its feature
It is that the length of each piezoelectric ceramics (6) is differed, and thickness is 0.2mm.
6. a kind of road vibration energy regenerating TRT based on three-dimensional metamaterial according to claim 1, its feature
It is that full bridge rectifier (5) is provided with cantilever beam fixing end；Wire is also associated with cantilever beam fixing end；Upper hemispherical shell
(1) metallic channel of upper hemispherical shell (1) is provided through on, the wire in cantilever beam fixing end is drawn from metallic channel.
7. a kind of energy regenerating electricity-generating method of the road vibration energy regenerating TRT based on three-dimensional metamaterial, its feature exists
In the road vibration energy regenerating TRT based on three-dimensional metamaterial includes many cantilever beam loop configuration (3), episphere
Shell (1) and lower hemisphere shell (2)；The material of upper hemispherical shell (1) and lower hemisphere shell (2) is three-dimensional metamaterial, many cantilever beam ring junctions
Structure (3) is arranged on inside the hollow sphere of upper hemispherical shell (1) and lower hemisphere shell (2) composition；
Many cantilever beam loop configuration (3) include main body and piezoelectric cantilever (4)；Main body includes cross bar and semi-disc, piezoelectric cantilever
Beam (4) includes cantilever beam fixing end, piezoelectric ceramics (6) and substrate (7)；One end of cross bar is fixed and is set in parallel in lower hemisphere shell
(2) upper surface, the other end of cross bar is vertically fixed on the side of semi-disc, and points to the center of circle of lower hemisphere shell (2) upper surface；
The opposite side of semi-disc has several cantilever beam fixing ends along semi-disc arc spaced set, is hung down in each cantilever beam fixing end
Substrate (7) directly is provided with, the upper and lower surface of each substrate (7) is fixedly installed piezoelectric ceramics (6)；
Full bridge rectifier (5) is provided with cantilever beam fixing end；Wire is also associated with cantilever beam fixing end；Upper hemispherical shell
(1) metallic channel of upper hemispherical shell (1) is provided through on, the wire in cantilever beam fixing end is drawn from metallic channel；
The energy regenerating electricity-generating method of the road vibration energy regenerating TRT based on three-dimensional metamaterial, including following step
Suddenly：
1) by several, the device is placed side by side under bituminous paving, and by wire, by several, the device is connected in parallel；
2) when there is vehicle to press through the bituminous paving for being embedded with the device, the vibration wave of different frequency range is incident, upper hemispherical shell (1) and
Lower hemisphere shell (2) can be converged in ball the vibration wave of the different frequency range of all directions, and the vibration wave for bringing together makes in ball
Each piezoelectric cantilever (4) produce vibration, according to direct piezoelectric effect, produce electric current；
3) alternating current is changed into direct current by the electric current for producing by the full bridge rectifier in cantilever beam fixing end, is then passed through
Be gathered together for the electric current produced on each piezoelectric cantilever (4) by conductor in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132172.8A CN106787946B (en) | 2017-03-07 | 2017-03-07 | Road vibration energy regenerating power generator and method based on three-dimensional metamaterial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132172.8A CN106787946B (en) | 2017-03-07 | 2017-03-07 | Road vibration energy regenerating power generator and method based on three-dimensional metamaterial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787946A true CN106787946A (en) | 2017-05-31 |
| CN106787946B CN106787946B (en) | 2019-01-18 |
Family
ID=58961364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710132172.8A Expired - Fee Related CN106787946B (en) | 2017-03-07 | 2017-03-07 | Road vibration energy regenerating power generator and method based on three-dimensional metamaterial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787946B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302323A (en) * | 2017-07-10 | 2017-10-27 | 天津大学 | Three-dimensional piezoelectric cantilever beam vibrational energy acquisition system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230759A (en) * | 1998-02-09 | 1999-08-27 | Miyota Kk | Motion sensor |
| WO2009102796A1 (en) * | 2008-02-11 | 2009-08-20 | Integrated Sensing Systems, Inc. | Microfluidic device and methods of operation and making |
| CN102013837A (en) * | 2010-12-23 | 2011-04-13 | 南京航空航天大学 | Dandelion-like multi-directional broadband piezoelectric vibration energy collection device |
| CN102148587A (en) * | 2010-02-05 | 2011-08-10 | 边义祥 | Combined type piezoelectric generating set |
| KR101337902B1 (en) * | 2012-10-19 | 2013-12-06 | 부산대학교 산학협력단 | A cantilever for transmitting vibration |
| CN106347717A (en) * | 2016-09-22 | 2017-01-25 | 北京空间飞行器总体设计部 | Embraced type sensor vibration reducing bracket with adjustable installing and pointing accuracy |
| CN206542342U (en) * | 2017-03-07 | 2017-10-03 | 长安大学 | Road vibration energy regenerating TRT based on three-dimensional metamaterial |
-
2017
- 2017-03-07 CN CN201710132172.8A patent/CN106787946B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230759A (en) * | 1998-02-09 | 1999-08-27 | Miyota Kk | Motion sensor |
| WO2009102796A1 (en) * | 2008-02-11 | 2009-08-20 | Integrated Sensing Systems, Inc. | Microfluidic device and methods of operation and making |
| CN102148587A (en) * | 2010-02-05 | 2011-08-10 | 边义祥 | Combined type piezoelectric generating set |
| CN102013837A (en) * | 2010-12-23 | 2011-04-13 | 南京航空航天大学 | Dandelion-like multi-directional broadband piezoelectric vibration energy collection device |
| KR101337902B1 (en) * | 2012-10-19 | 2013-12-06 | 부산대학교 산학협력단 | A cantilever for transmitting vibration |
| CN106347717A (en) * | 2016-09-22 | 2017-01-25 | 北京空间飞行器总体设计部 | Embraced type sensor vibration reducing bracket with adjustable installing and pointing accuracy |
| CN206542342U (en) * | 2017-03-07 | 2017-10-03 | 长安大学 | Road vibration energy regenerating TRT based on three-dimensional metamaterial |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302323A (en) * | 2017-07-10 | 2017-10-27 | 天津大学 | Three-dimensional piezoelectric cantilever beam vibrational energy acquisition system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106787946B (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhao et al. | Finite element analysis of Cymbal piezoelectric transducers for harvesting energy from asphalt pavement | |
| CN104270032B (en) | Bistable state sphere composite cantilever piezoelectric generating device | |
| AU2015208446A1 (en) | Multi-mode vibration power generator | |
| CN104377993A (en) | Automatic parameter regulating bistable-state piezoelectric power generation structure | |
| CN106899234A (en) | A kind of multidirectional energy gathering apparatus of piezoelectric type | |
| CN206542342U (en) | Road vibration energy regenerating TRT based on three-dimensional metamaterial | |
| CN106411177A (en) | High-Q value phononic crystal resonator-type acoustic energy harvester | |
| CN206077259U (en) | A kind of piezoelectricity energy collecting system of speed-reducing belt | |
| CN106787946B (en) | Road vibration energy regenerating power generator and method based on three-dimensional metamaterial | |
| CN108039835A (en) | Self-tuning is the same as the non-linear wideband vibration energy collector being combined | |
| CN106357154A (en) | Multi-arm coupled collision piezoelectric energy collection device | |
| CN206948211U (en) | A kind of asphalt roads road surface piezoelectric generating device | |
| CN103762892B (en) | A kind of phonon crystal Blast Furnace Top Gas Recovery Turbine Unit (TRT) based on torsional oscillation band gap | |
| CN112663407A (en) | Intelligent coarse particle for vibration reduction and power generation | |
| CN108199618A (en) | A kind of two-way cantilever beam beam type piezoelectric energy gathering apparatus | |
| CN201349171Y (en) | Road noise recoverer | |
| CN105879990A (en) | Resonance mill | |
| CN205497740U (en) | Contact net pillar shaking table | |
| CN104022686B (en) | A kind of impact type device for collecting piezoelectric vibration energy | |
| CN202353767U (en) | Electronic device and vibration absorbing device thereof | |
| CN108560436A (en) | A kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect | |
| CN205911968U (en) | Noise electricity generator | |
| CN108832844B (en) | Bidirectional vibration energy collecting system based on piezoelectric element | |
| CN103532431A (en) | Hinged type piezoelectric energy capturing device | |
| CN206279445U (en) | A kind of road and bridge bearing of use energy conversion auxiliary damping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20190307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |