CN102213390B - Solar light emitting diode (LED) lamp device - Google Patents
Solar light emitting diode (LED) lamp device Download PDFInfo
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- CN102213390B CN102213390B CN2010101381445A CN201010138144A CN102213390B CN 102213390 B CN102213390 B CN 102213390B CN 2010101381445 A CN2010101381445 A CN 2010101381445A CN 201010138144 A CN201010138144 A CN 201010138144A CN 102213390 B CN102213390 B CN 102213390B
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- 239000011521 glass Substances 0.000 claims abstract description 33
- 239000006117 anti-reflective coating Substances 0.000 claims description 20
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 11
- 238000005538 encapsulation Methods 0.000 claims description 10
- 238000010248 power generation Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 24
- 230000003667 anti-reflective effect Effects 0.000 description 12
- 238000005265 energy consumption Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000002834 transmittance Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- -1 vapour Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a solar light emitting diode (LED) lamp device. The solar LED lamp device comprises a storage battery, a solar battery pack, a control circuit and an LED lamp holder part, wherein a single-surface multihole SiO2-base thin anti-reflection film is coated on the surface of a solar panel (10); the single-surface multihole SiO2-base thin anti-reflection films are coated on two surfaces of waterproof ultrawhite glass packaged on a lamp holder of an LED lamp (50); a maximum power tracking module (20) is connected with the solar panel of the solar battery pack and the control circuit (30), so the average transmissivity of sunshine energy of the solar component area can be increased effectively to improve the power generation efficiency; meanwhile, the output power of the solar panel can be adjusted to track the highest power point; therefore, the solar utilization efficiency is improved to the maximum extent, the lighting time of the LED lamp in the rainy days is prolonged and the solar energy can be used fully.
Description
Technical field
The present invention relates to a kind of solar LED light fixture, especially relate to a kind of solar LED light fixture device with ultra-clear glasses solar cell.
Background technology
In the generation of electricity by new energy technology, the solar energy utilization is with fastest developing speed, the new forms of energy research project that attracts most attention in recent decades, and solar power supply system just progressively replaces some traditional power-supply devices, obtains more and more general application.Especially solar LED light fixture device characteristics efficient with it, energy-saving and environmental protection enjoy people's favor.The cooperation of solar electrical energy generation and LED illumination can realize good outdoor lighting effect: the two is direct current device, need not AC-DC conversion, daytime solar electrical energy generation, LED illumination in evening; Solar cell is a kind of semiconductor devices that luminous energy is directly changed into electric energy, can be directly the transform light energy of the sun be become electric energy; During its work, need not other prime energy materials such as water, oil, vapour, fuel, and do not have mechanical drive disk assembly, installation and maintenance are simple, and long service life, but unmanned also need not to erect power transmission lines, and are leading of new forms of energy.Also can make things convenient for building to combine etc., be conventional power-supply device or other generation mode can not reach and.And crystal silicon solar battery component, subject matter is that solar energy utilization ratio is lower, and the LED energy consumption is higher, and the total effective rate of utilization of energy is on the low side, and long-term overcast and rainy service time is short etc.; Ultra-clear glasses wherein generally is no more than 92% because light transmittance is not high enough, and self-cleaning net energy power is relatively poor in using out of doors, directly is unfavorable for the raising of its photoelectric transformation efficiency, has reduced the effective storage life of LED light fixture.
The day for announcing is that the granted patent ZL200620124663.5 on August 22nd, 2007 discloses a kind of plated film ultra-clear glasses solar module, comprise ultra-clear glasses, EVA glued membrane, solar cell and the TPT notacoria of hot pressing agreement already reached body, be coated with antireflective coating on the described ultra-clear glasses.By add the coated with antireflection film in ultra-clear glasses, can increase the power output of existing ultra-clear glasses light transmittance and solar module, can be widely used in outlying areas without electricity, and can be used for each field such as traffic, communication, meteorology and space flight.Right this scheme is only improved from existing ultra-clear glasses light transmittance angle, yet and fail to make the transmitance of solar module to reach to a greater extent breakthrough, fails the light extraction efficiency of more effective raising LED assembly.
Summary of the invention
The present invention is lower for solving existing solar energy utilization ratio, the LED energy consumption is higher, present situations such as the total effective rate of utilization of energy is on the low side, and long-term overcast and rainy service time is short and a kind of efficiency of energy utilization, the solar energy mean transmissivity that can improve solar energy that provides, the solar LED light fixture device that prolongs LED light fixture effective storage life.
The present invention solves the problems of the technologies described above the concrete technical scheme that adopts to be: a kind of solar LED light fixture device, comprise battery, solar module, control circuit and LED cap part, it is characterized in that: the lamp holder packaged glass of the solar panel of described solar module and LED lamp adopts and is coated with porous SiO
2The ultra-clear glasses encapsulation of base film antireflective coating, between the solar panel of solar module and controller, be connected with the maximum power tracing module, described maximum power tracing module comprises instant electric current and voltage sample circuit and variable impedance circuit and power calculation circuit part, solar panel one tunnel be connected in the controller after variable impedance circuit is connected in series, another road be connected in the controller through variable impedance circuit more again with after power calculation circuit is connected after the electric current and voltage sample circuit is connected.The porous sio2 film has not only as the special thin-film material of a kind of structure that structure is controlled, the voidage advantages of higher, and have that refractive index is adjustable, structure height in order, orientation at random, good uniformity, the suede structure density that tool is higher is characteristics such as long periodicity; Can be used to directly penetrate next available light in the face of all directions, strengthen the acquisition probability of light quantum greatly, improve internal quantum efficiency and the anti-reflective effect of silicon-based semiconductor; Porous SiO
2The base antireflective coating can effectively reduce the reflection of light by ultra-clear glasses the time, in the lamp holder packaged glass of solar module cell panel and LED lamp, use this antireflective technology, can be more effective from the solar LED light fixture device the different structure parts improve the ratio that sunshine enters battery, improve the generating efficiency on the unit solar components area.Adopt the smart circuit of maximum power tracing module to adjust Working Points of Solar Battery in real time simultaneously, make it to always work near the maximum power point; Thereby reach the power output of adjusting solar panel, carry out maximum power point tracking.Whole MPPT maximum power point tracking process is exported by the possible peak power of array under certain control algolithm prediction current working, thereby changes the output requirement that current impedance situation satisfies peak power; Even the junction temperature of photovoltaic cell raises and makes the power output of array reduce like this, system still may operate in the optimum state of current working, has improved the lighting hours of LED light fixture under the long-term overcast and rainy situation; In the LED lamp control circuit, adopt the output of delay circuit and pulse-width controlled modulation technique and multichannel simultaneously, can realize that multi-period change power output reduces LED lamp energy consumption.Adopt an instant electric current and voltage sample circuit that output current and the voltage of solar panel are sampled, adopt a variable impedance circuit to change output voltage at the solar panel output simultaneously; Utilize a power calculation circuit, the electric current, the voltage signal that obtain with current sampling calculate present output power, according to calculating the power that obtains, change variableimpedance, adjust output voltage, thereby adjust the power output of solar panel, carry out maximum power point tracking; Make it to always work near the maximum power point; Thereby reach the power output of adjusting solar panel, carry out maximum power point tracking.The MPPT maximum power point tracking module is determined the position relation of present operating point and maximum power point by detecting output voltage and the output current of photovoltaic system in real time, controls voltage then to the V corresponding to maximum power point
mClose, till arriving peak power point; If voltage continues to increase, then power output descends, and therefore adjusts output voltage, makes its control near maximum power point, to reach maximum output.Experiment showed, and realize that the later power output gain mean value of MPPT maximum power point tracking technology is 15%.
As preferably, described solar panel surface is coated with single face porous SiO
2The base film antireflective coating, the plated film face is towards air one side.Porous SiO
2The base antireflective coating can effectively reduce the reflection of light by ultra-clear glasses the time, the antireflective ultra-clear glasses center antireflective wavelength of acquisition is positioned at about 700 nm, and antireflection film solar energy mean transmissivity in the crystal-silicon solar cell absorption spectrum ranges reaches 94%.
As preferably, described LED lamp all is coated with single face porous SiO on the waterproof ultra-clear glasses two sides of its lamp holder encapsulation
2The base antireflective coating.Exiting surface at the LED lamp system adopts the two-sided porous SiO that is coated with
2The ultra-clear glasses encapsulation of base antireflective coating, can make center antireflective wavelength be positioned at about 530 nm, visible light partly transmissivity is brought up to maximum transmission from original about 91% and is reached 100%, average visible light transmissivity can reach 97% when reflection wavelength is positioned at 400 ~ 700 nm, effectively improve the light extraction efficiency of LED assembly.
As preferably, described porous SiO
2Base film antireflective coating THICKNESS CONTROL is between 110 ~ 120 nm.See through porous SiO at the height that obtains greatly on the solar panel about antireflective centre wavelength 700 nm
2Base film, the height that obtains greatly on the waterproof ultra-clear glasses of head encapsulation about antireflective centre wavelength 530 nm sees through the porous sio2 base film.
As preferably, described maximum power tracing module is with after controller is connected, and controller is connected with the LED lamp with battery simultaneously.Controller is powered by battery, detects battery battery capacity and the solar panel power output after the maximum power tracing module simultaneously.When charging by day, it is in running order that controller detects solar panel, cuts off the LED lamp operating circuit, by the charging circuit in the controller to charge in batteries; When LED lamp work at night is discharged, it is not in running order that controller detects solar panel, then cut off the charging circuit in the controller, according to detected accumulator capacity state, by the built-in delay circuit of controller and pulse-width controlled modulation technique and multichannel export technique LED is powered, reduce the battery instantaneous output current when being implemented in low-power output, utilize multi-period change power output to reduce the LED energy consumption simultaneously.
As preferably, described maximum power tracing module comprises instant electric current and voltage sample circuit and variable impedance circuit and power calculation circuit part, solar panel one tunnel be connected in the control circuit after variable impedance circuit is connected in series, another road be connected in the control circuit through variable impedance circuit more again with after power calculation circuit is connected after the electric current and voltage sample circuit is connected.
The invention has the beneficial effects as follows: the solar energy mean transmissivity on can more effective raising unit solar panel area reaches the raising generating efficiency, can effectively adjust the power output of solar panel simultaneously, carries out maximum power point tracking.Improve to a greater extent solar energy efficiency of energy utilization, generating efficiency, solar energy mean transmissivity, can improve the light extraction efficiency of LED lamp assembly, and reduced the long-time specific energy consumption that uses of LED light fixture, improved the lighting hours of LED light fixture under the long-term overcast and rainy situation.Can realize the service life of the illumination of high efficiency smart solar LED light fixture and prolongation battery, utilize solar energy more fully.Can be widely used in illuminations such as urban road, residential quarter, park, square, bridge.
Description of drawings:
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is solar LED light fixture manipulated or operated apparatus model schematic diagram of the present invention.
Fig. 2 is the maximum power tracing modular model schematic diagram of solar LED light fixture device of the present invention.
Fig. 3 is coated with single face porous SiO on the solar panel of solar LED light fixture device of the present invention
2The solar energy transmitance contrast effect schematic diagram of base antireflective coating and common ultra-clear glasses.
Fig. 4 is coated with two-sided porous SiO on the lamp holder packaged glass of LED lamp of solar LED light fixture device of the present invention
2The lamp holder packaged glass solar energy transmitance contrast effect schematic diagram of base antireflective coating and common LED lamp.
The specific embodiment
Among Fig. 1, the embodiment shown in Figure 2, a kind of solar LED light fixture device, comprise battery, solar module, control circuit and LED cap part, be coated with porous SiO at the solar panel 10 of solar module and the lamp holder packaged glass of LED lamp 50
2The encapsulation of the ultra-clear glasses of base film antireflective coating is connected with maximum power tracing module 20 between the solar panel 10 of solar module and controller 40.The MPPT maximum power point tracking module is determined the position relation of present operating point and maximum power point by detecting output voltage and the output current of photovoltaic system in real time, controls voltage then to the V corresponding to maximum power point
mClose, till arriving peak power point; If voltage continues to increase, then power output descends, and therefore adjusts output voltage, makes its control near maximum power point, to reach maximum output.Controller 40 built-in delay circuits and pulse-width controlled modulation technique and multichannel output etc. reduce the battery instantaneous output current in conjunction with control circuit when being implemented in low-power output, multi-period change power output reduces the LED energy consumption.Carry out the power supply to LED, reduce the battery instantaneous output current when being implemented in low-power output, utilize multi-period change power output to reduce the LED energy consumption simultaneously.Utilize maximum power tracing module 20 and controller 40 to adjust Working Points of Solar Battery in real time as the smart circuit of solar LED light fixture device, make it to always work near the maximum power point; Thereby reach the power output of adjusting solar panel, carry out maximum power point tracking.Be coated with single face porous SiO on the solar panel surface
2Base film antireflective coating, plated film face be towards air one side, resulting single face porous SiO
2The base film antireflective coating transmittance curve A more not transmittance curve B contrast effect of plated film ultra-clear glasses sees Fig. 3, solidify in the ultra-clear glasses and the antireflection film curve of spectrum that obtains through plated film, the antireflective ultra-clear glasses center antireflective wavelength of acquisition is positioned at about 700 nm, and antireflection film solar energy mean transmissivity in the crystal-silicon solar cell absorption spectrum ranges reaches 94%(and sees Fig. 3).Be plated in the porous SiO on the waterproof ultra-clear glasses that solar panel is surperficial and lamp holder encapsulates
2Base film antireflective coating THICKNESS CONTROL is selected 115nm thickness in the present embodiment between 110 ~ 120 nm, seeing through porous SiO at the height that obtains greatly on the solar panel about antireflective centre wavelength 700 nm
2Base film and the height that obtains greatly on the waterproof ultra-clear glasses of head encapsulation about antireflective centre wavelength 530 nm see through the porous sio2 base film.。Waterproof ultra-clear glasses two sides in the encapsulation of LED lamp 50 lamp holders all is coated with single face porous SiO
2The base antireflective coating, the waterproof ultra-clear glasses two sides of resulting lamp holder encapsulation all is coated with single face porous SiO
2The base antireflective coating transmittance curve C more not transmittance curve D contrast effect of plated film ultra-clear glasses sees Fig. 4, solidify in the ultra-clear glasses and the antireflection film curve of spectrum that obtains through plated film, can make center antireflective wavelength be positioned at about 530 nm, visible light partly transmissivity is brought up to maximum transmission from original about 91% and is reached 100%, average visible light transmissivity can reach 97%(and see Fig. 4 when reflection wavelength is positioned at 400 ~ 700 nm).Maximum power tracing module 20 is with after controller 40 is connected, and controller 40 is connected with LED lamp 50 with battery 30 simultaneously.Maximum power tracing module 20 comprises instant electric current and voltage sample circuit 21 and variable impedance circuit 22 and power calculation circuit 23 parts, sun can cell panel 10 one tunnel be connected in the controller 40 after variable impedance circuit 22 is connected in series, another road with after electric current and voltage sample circuit 21 is connected again with pass through variable impedance circuit 22 again after power calculation circuit 23 is connected and be connected in the controller 40.
The smart circuit operation principle of solar LED light fixture device is:
The integral body control operation principle of smart circuit: controller 40 is powered by battery 30, detects battery battery capacity and solar panel 10 power output after maximum power tracing module 20 is followed the trail of simultaneously.When charging by day, it is in running order that controller 40 detects solar panel 10, cuts off LED lamp 50 operating circuits, by the charging circuit in the controller 40 battery 30 charged; When night, 50 work of LED lamp were discharged, it is not in running order that controller 40 detects solar panel 10, then cut off the charging circuit in the controller 40, according to detected battery 30 capacity status, by the built-in delay circuit of controller 40 and pulse-width controlled modulation technique and multichannel export technique LED is powered, reduce the battery instantaneous output current when being implemented in low-power output, utilize multi-period change power output to reduce LED lamp energy consumption simultaneously.
Maximum power tracing module tracks control operation principle: adopt output current and the voltage of 21 pairs of solar panels 10 of an instant electric current and voltage sample circuit to sample, adopt a variable impedance circuit 22 to change output voltage at solar panel 10 outputs simultaneously; Utilize a power calculation circuit 23, the electric current, the voltage signal that obtain with current sampling calculate present output power, according to calculating the power that obtains, change variableimpedance, adjust output voltage, thereby adjust the power output of solar panel, carry out maximum power point tracking; Make it to always work near the maximum power point; Thereby reach the power output of adjusting solar panel, carry out maximum power point tracking.
Claims (5)
1. solar LED light fixture device, comprise battery, solar module, controller and LED cap part, it is characterized in that: the lamp holder packaged glass of the solar panel of solar module (10) and LED lamp (50) adopts and is coated with porous SiO
2The ultra-clear glasses encapsulation of base film antireflective coating, between the solar panel (10) of solar module and controller (40), be connected with maximum power tracing module (20), described maximum power tracing module (20) comprises instant electric current and voltage sample circuit (21) and variable impedance circuit (22) and power calculation circuit (23) part, solar panel (10) one tunnel be connected in the controller (40) after variable impedance circuit (22) is connected in series, another road with after electric current and voltage sample circuit (21) is connected again with pass through variable impedance circuit (22) again after power calculation circuit (23) is connected and be connected in the controller (40).
2. according to the described solar LED light fixture of claim 1 device, it is characterized in that: described solar panel surface is coated with single face porous SiO
2The base film antireflective coating.
3. according to the described solar LED light fixture of claim 1 device, it is characterized in that: described LED lamp (50) all is coated with single face porous SiO on the waterproof ultra-clear glasses two sides of its lamp holder encapsulation
2The base antireflective coating.
4. according to claim 1 or 2 or 3 described solar LED light fixture systems, it is characterized in that: described porous SiO
2Base film antireflective coating THICKNESS CONTROL is between 110 ~ 120 nm.
5. according to the described solar LED light fixture of claim 1, it is characterized in that: described maximum power tracing module (20) is with after controller (40) is connected, and controller (40) is connected with LED lamp (50) with battery (30) simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101381445A CN102213390B (en) | 2010-04-02 | 2010-04-02 | Solar light emitting diode (LED) lamp device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101381445A CN102213390B (en) | 2010-04-02 | 2010-04-02 | Solar light emitting diode (LED) lamp device |
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| CN102213390A CN102213390A (en) | 2011-10-12 |
| CN102213390B true CN102213390B (en) | 2013-08-28 |
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| CN102635828A (en) * | 2012-03-23 | 2012-08-15 | 珠海市洁源电器有限公司 | Solar LED (light emitting diode) lamp |
| CN102901028A (en) * | 2012-10-15 | 2013-01-30 | 衢州逗号工业设计有限公司 | Novel outdoor light energy street lamp based on crystalline silicon |
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| CN101184695A (en) * | 2005-06-02 | 2008-05-21 | 旭硝子株式会社 | Process for producing dispersion of hollow fine SiO2 particles, coating composition, and substrate with antireflection coating film |
| CN101194187A (en) * | 2005-06-09 | 2008-06-04 | 日立化成工业株式会社 | Method for forming antireflection film |
| CN101577294A (en) * | 2009-06-25 | 2009-11-11 | 中南大学 | Double-layer anti-reflecting film of crystal silicon solar cell and preparation method thereof |
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| CN101625099A (en) * | 2009-03-16 | 2010-01-13 | 深圳市华海诚信电子显示技术有限公司 | LED solar street lamp |
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2010
- 2010-04-02 CN CN2010101381445A patent/CN102213390B/en not_active Expired - Fee Related
Patent Citations (7)
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|---|---|---|---|---|
| CN101184695A (en) * | 2005-06-02 | 2008-05-21 | 旭硝子株式会社 | Process for producing dispersion of hollow fine SiO2 particles, coating composition, and substrate with antireflection coating film |
| CN101194187A (en) * | 2005-06-09 | 2008-06-04 | 日立化成工业株式会社 | Method for forming antireflection film |
| CN101626989A (en) * | 2006-11-14 | 2010-01-13 | 法国圣戈班玻璃厂 | Porous layer, its manufacturing process and its applications |
| CN1949624A (en) * | 2006-11-27 | 2007-04-18 | 孙民兴 | Maximum power tracing method for solar power system and solar power device |
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Effective date of registration: 20160328 Address after: Ruian City, Zhejiang province 325200 Tangxia Luofeng international automobile and motorcycle industry park Patentee after: Wenzhou Tiandi Aluminum Co.,Ltd. Address before: Ruian City, Zhejiang province 325200 Tangxia Luofeng international automobile and motorcycle industry park Patentee before: Wenzhou Tian Di photoelectric Co., Ltd. |
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Granted publication date: 20130828 Termination date: 20190402 |