CN203656872U - LED (light emitting diode) plant growth lamp and liquid cooling device thereof - Google Patents
LED (light emitting diode) plant growth lamp and liquid cooling device thereof Download PDFInfo
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- CN203656872U CN203656872U CN201320865964.3U CN201320865964U CN203656872U CN 203656872 U CN203656872 U CN 203656872U CN 201320865964 U CN201320865964 U CN 201320865964U CN 203656872 U CN203656872 U CN 203656872U
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Abstract
The utility model belongs to an LED (light emitting diode) plant growth lamp and a liquid cooling device thereof. The liquid cooling device comprises a liquid cooling source, a liquid cooling plate and connection pipelines thereof; a liquid inlet and a liquid outlet of the liquid cooling plate are respectively connected with the liquid cooling source by the connection pipelines; a heat conduction plate of the liquid cooling plate is tightly fitted with an LED chip plate. According to the LED plant growth lamp and the liquid cooling device thereof, the cooling power is large, the effects are good, safety and reliability are realized, and the environment is not influenced, so the defects of the existing LED plant growth lamp cooling device are overcome.
Description
Technical field
The utility model relates to LED plant growth lamp and manufactures and designs field, particularly relates to a kind of LED plant growth lamp and liquid cooling apparatus thereof.
Background technology
Luminous environment is one of indispensable important physical environmental factor of growth and development of plants, regulates by light quality, and it is an important technology in facility cultivation field that control plant forms builds up.As the 4th generation novel illumination light source, LED has many features that are different from other electric light sources, this also becomes the first-selection of energy-conserving and environment-protective light source.The LED that is applied to plant cultivation field also shows following characteristics: type of wavelength is abundant, just in time spectral region synthetic with Plant Light and photomorphogenesis is coincide; Frequency spectrum wave width half width, can combine as required and obtain pure monochromatic light and complex spectrum; Can concentrate the balancedly irradiate crops of light of specific wavelength; Not only can regulate crop flowers and solid, and can also control the nutritional labeling of plant height and plant; In addition, the durability of its extra-heavy has also reduced operating cost.Due to these significant features, ten points of LED are applicable to being applied to the plant culture in controlled facilities environment, as Plant Tissue Breeding, facilities horticulture and industrial seedling rearing and the ecological life support system of space flight etc.
The core component of LED plant growth lamp---LED chip, the same with the application of other LED light sources, can produce in the course of the work a large amount of used heat, need timely outside removal system, otherwise will cause chip internal temperature progressively to raise.When the long-term running temperature of chip internal is during higher than 75 ℃, the life-span of LED chip will be index shape and sharply shorten.
The cooling system of existing LED plant growth lamp is mostly Section Bar Heat Sinks and adds fan forced convection mode.Be provided with a Section Bar Heat Sinks with fin at LED lamp plate back, fan is set on it.The heat that LED chip discharges is passed to base plate of radiator through heat, then conducts on fin, through forced air cooling, heat is delivered in environment.In application, there is following problem in this technical scheme:
1, radiating efficiency is low, and radiating effect is poor.Be limited to overall weight, fan dimension, rotating speed, the isoparametric restriction of quantity, the radiating efficiency of this kind of scheme is lower, and total heat radiation power is less.Substantially can solve 400W/m
2following heat radiation power.Under this kind of scheme, the surface temperature of LED lamp pearl plate may arrive or exceed 60 ℃, may damage plant in addition.This just requires the space of plant growth must keep with the distance of lamp plate, more than 40cm, causing a large amount of wastes in plant growth space.
2, distribute heat affects environment temperature.In technique scheme process, air carries a large amount of heat and can in environment, accumulate gradually, and environment temperature is increased gradually, affects the control of plant growth environment temperature.Increased load to the air-conditioning system of plant growth system simultaneously.
3, noise problem.Due to high-speed rotation and the vibration of fan, the noise of this scheme is difficult to resolve certainly, and especially in indoor environment, the noise that multiple air cooling systems move is simultaneously larger, directly has influence on internal environment, and operating personnel are caused to various impacts.
4, life and reliability problem.Fan is exactly a very serious problem as the high-speed motion rotatable parts life-span itself.In addition in plant growth environment, particularly hydroponic plant environment, relative humidity can reach more than 95%, and in growing process, needs to keep the skin wet, the life-span that fan in the same serious threat of leakage of water.
As can be seen here, above-mentioned existing LED plant growth lamp and cooling device thereof, in structure and use, obviously exist serious defect and deficiency, and are urgently further improved.How to found that a kind of heat radiation power is large, effective, noiselessness, safety, reliably and not affect LED plant growth lamp and the liquid cooling apparatus thereof of the new structure of environment, also becoming the current industry utmost point needs improved target.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of LED plant growth lamp and liquid cooling apparatus thereof, make that its heat radiation power is large, effective, noiselessness, safety, reliably and not affect environment, thereby overcome the deficiency of existing LED plant growth lamp cooling apparatus.
For solving the problems of the technologies described above, a kind of LED plant growth lamp of the utility model liquid cooling apparatus, comprises liquid cooling source, liquid cooling plate and connecting line thereof, and the inlet of liquid cooling plate is connected with liquid cooling source by connecting line respectively with liquid outlet.
As a kind of improvement of the present utility model, the inner comb type liquid cooling passage that adopts of described liquid cooling plate.
Described liquid cooling passage adopts currency structure in parallel, is made up of the main line of two larger cross-sections and more than two bye-pass.
Described liquid cooling plate comprises: protecting border; Be individually fixed in heat-conducting plate and the heat-insulation layer of bottom surface on protecting border; And be positioned at the seal cavity inside that protecting border, heat-conducting plate and heat-insulation layer form, be close to heat-conducting plate by fixed knot component, and the liquid cooling passage being communicated with connecting line.
Described heat-conducting plate and liquid cooling passage all adopt high-thermal conductive metal material; Heat-insulation layer adopts rubber and plastic heat-preservation cotton, rock wool or foam cement, and is provided with steam overcoat; Heat-conducting plate is tabular planar structure, and is provided with screw hole; Described connecting line coated outside has pipe heat-insulation layer.
Described liquid cooling passage is welded to form by two square main lines and the square parallel branch pipe of Duo Gen, and main line two ends are respectively equipped with threaded connector and welding plug; Heat-conducting plate adopts flat aluminium alloy plate, scribbles epoxy bond glue between liquid cooling passage and heat-conducting plate, and heat-insulation layer adopts the rubber and plastic heat-preservation cotton of single-sided back-adhesive, and protecting border is square, and connecting line is covered with heat-insulation layer outward.
Described liquid cooling plate is that more than two liquid cooling plate is spliced.
Described liquid cooling source adopts compressor cooling unit, air conditioner cooling tower or outer loop water tank.
Described connecting line is provided with valve.
In addition, the utility model also provides a kind of LED plant growth lamp of applying above-mentioned liquid cooling apparatus, and the heat-conducting plate of described liquid cooling plate and LED chip plate fit tightly.
Adopt after such design, the utility model at least has the following advantages:
1, heat radiation power is large, good heat dissipation effect.The maximum heat radiation power of water cooling plant of the present utility model can arrive 3000W/m
2above, can meet the LED lamp pearl plate use of high-density arrangement.In use, the temperature on lamp pearl plate surface, generally lower than 30 ℃, only need to guarantee that the safe distance of 10cm left and right just can guarantee the safety growth of plant, and space availability ratio is high.
2, heat radiation process does not affect environment.Heat is to take away by the large quantity of fluid of internal circulation, lower to ambient temperature effect.Be convenient to the control of plant growth environment, air conditioner load is less, saves the installation and operation cost of air-conditioning.
3, there is not noise problem.In whole device running, liquid cooling source can be placed into the space away from plant growth system.Liquid cooling plate inside only has liquid to flow through, and whole process, without any noise producing, is beneficial to and obtains quiet environment.
4, use safety, reliability is high.Whole device is without easily worn part, and the connection of pipeline is the connected mode that technique is more ripe, and pipeline inside is also low-pressure state, so whole equipment safety reliability is high.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solutions of the utility model, and in order to better understand technological means of the present utility model, below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of LED plant growth lamp of the utility model liquid cooling apparatus.
Fig. 2 is a kind of LED plant growth lamp liquid cooling apparatus of the utility model and liquid cooling plate internal structure schematic diagram thereof.
Fig. 3 is pipe row type liquid cooling passage decomposition texture schematic diagram of the present utility model.
Fig. 4 is pipe row type liquid cooling combination of channels structural representation of the present utility model.
Fig. 5 is the decomposition texture schematic diagram of a kind of LED plant growth lamp of the utility model liquid cooling apparatus.
Fig. 6 is the combining structure schematic diagram of Fig. 5.
The specific embodiment
Refer to shown in Fig. 1, a kind of LED plant growth lamp of the utility model liquid cooling apparatus, mainly comprise liquid cooling source 1, liquid cooling plate 2 and connecting line 4 thereof, the inlet of liquid cooling plate 2 is connected with liquid cooling source by connecting line 4 respectively with liquid outlet, is the flow direction of liquid in liquid device in figure shown in arrow.
Wherein, what liquid cooling source 1 was low-temperature receiver provides unit, for liquid cooling plate 2 provides the cryogenic liquid with certain pressure, for example, is chilled water, and is responsible for, cooling the high-temp liquid refluxing, again becoming cryogenic freezing water, and average water temperature general control is at 15 ℃.Can select the complete set of equipments such as compressor cooling unit, air conditioner cooling tower or outer loop water tank, liquid flow power is provided, also can connect if desired water pump increases the driving force of pipeline, and the parameter of total refrigeration work consumption that the standard of selecting is low-temperature receiver and required Inlet and outlet water temperature is determined.
Connecting line 4 is that the each parts of connecting overall form liquid communication, the pipeline of practical function.In design, can adopt general metal straight pipe, flexible bellow or rubber pipeline etc., preferably adopt corrugated stainless steel tubing, its connection can adopt welding or be threaded.Connecting line 4 is provided with necessary valve, and employing is threaded, the sealing process of pipeline when regulating fluid flow in pipeline and to safeguard.The outside of connecting line 4 also can be enclosed with pipe heat-insulation layer, avoids working fluid in pipeline to be heated by environment and causes the loss of cold, prevents in pipeline surface condensation dewfall simultaneously, causes the problem of dripping.。
Shown in Fig. 2, liquid cooling plate 2 of the present utility model can be made up of liquid cooling passage 21, heat-conducting plate 22, skeleton conjunction 23, heat-insulation layer 24 and protecting border 25.Wherein, protecting border 25 can adopt square frame as shown in the figure; heat-conducting plate 22 and heat-insulation layer are separately fixed at bottom surface on protecting border 25; liquid cooling passage 21 is arranged in the seal cavity of protecting border 25, heat-conducting plate 22 and heat-insulation layer formation; be communicated with connecting line 4; and be closely connected with heat-conducting plate 22 by fixed knot component 23, to reduce the thermal resistance in heat transfer process.
Furthermore, shown in Fig. 3, Fig. 4, the utility model can adopt the liquid cooling passage of comb type currency structure in parallel, it is made up of the main line 211 of two larger cross-sections and more than one bye-pass 212, material is high-thermal conductive metal, as copper, aluminium, stainless steel, iron etc., preferably red copper.Adopt currency structure in parallel can effectively reduce flow resistance, and make the temperature homogeneity of pipeline stronger.
Further, also can in the design of main line 211 and bye-pass 212, all adopt rectangular tube, on main line 211, be processed with and be convenient to the structure perforate that is connected with bye-pass 212, arrange respectively nipple 213 and plug 214 at the two ends of main line 211, to guarantee the flow channel of liquid coolant in pipeline.Connected mode between main line 211 and bye-pass 212 including but not limited to welding, be threaded, the mode such as pressure pressing connection.
The material of heat-conducting plate 22 is all high-thermal conductive metal, as copper, aluminium, stainless steel, iron etc., and preferably flat aluminium alloy plate.It is shaped as the tabular planar structure with LED lamp plate same shape, and can be processed with for the screw hole of the fixing use of structure etc.Also can between heat-conducting plate 22 and liquid cooling passage 21, be coated with epoxy bond glue, in order to incite somebody to action gap filling therebetween, reduce thermal resistance.
Fixed knot component 23 is structural member, and its effect is the effective laminating guaranteeing between pipe row's type liquid cooling passage 21 and heat-conducting plate 22, prevents that single unit system from excessive stress deformation occurring, and causes the damage of LED lamp plate simultaneously.Can leave screw hole or other syndetons according to combination.
Heat-insulation layer 24 is insulation material material, as rubber and plastic heat-preservation cotton, rock wool, foam cement etc., the preferably rubber and plastic heat-preservation cotton of single-sided back-adhesive, stick the back side in liquid cooling plate, its effect is to avoid working fluid in device to be heated by environment and the loss that causes cold, prevent from, in pipeline surface condensation dewfall, causing the problem of dripping simultaneously.The top layer of heat-insulation layer also can arrange the overcoat that anti-sealing or steam enter, to guarantee the permanently effective of heat-insulation layer.
Protecting border 25 is for having the angular structure part of certain structural strength, and effect is that heat-insulation layer is fixed on above heat-conducting plate 22, look after prevent time attractive in appearance heat-insulation layer come off, mobile, prevent that water vapor permeable from entering heat-insulation layer simultaneously, destroy heat insulation effect.
The utility model is applied the LED plant growth lamp of above-mentioned liquid cooling apparatus, be that its LED chip plate 3 and the heat-conducting plate 22 of liquid cooling plate are fitted tightly, in LED lamp plate running, a large amount of used heat conducts to the outer wall of pipe row type liquid cooling passage 21 after heat-conducting plate 22, and the large quantity of fluid of its internal flow is taken away heat fast.
In addition, shown in Fig. 5, Fig. 6, the utility model also can be according to the shape area needs of LED chip plate, are designed to two or liquid cooling apparatus that more polylith liquid cooling plate is spliced.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection domain of the present utility model.
Claims (10)
1. a LED plant growth lamp liquid cooling apparatus, is characterized in that comprising liquid cooling source, liquid cooling plate and connecting line thereof, and the inlet of liquid cooling plate is connected with liquid cooling source by connecting line respectively with liquid outlet.
2. a kind of LED plant growth lamp liquid cooling apparatus according to claim 1, is characterized in that the inner comb type liquid cooling passage that adopts of described liquid cooling plate.
3. a kind of LED plant growth lamp liquid cooling apparatus according to claim 2, is characterized in that described liquid cooling passage adopts currency structure in parallel, is made up of the main line of two larger cross-sections and more than two bye-pass.
4. a kind of LED plant growth lamp liquid cooling apparatus according to claim 1, is characterized in that described liquid cooling plate comprises:
Protecting border;
Be individually fixed in heat-conducting plate and the heat-insulation layer of bottom surface on protecting border; And
Be positioned at the seal cavity inside that protecting border, heat-conducting plate and heat-insulation layer form, be close to heat-conducting plate by fixed knot component, and the liquid cooling passage being communicated with connecting line.
5. a kind of LED plant growth lamp liquid cooling apparatus according to claim 4, is characterized in that described heat-conducting plate and liquid cooling passage all adopt high-thermal conductive metal material; Heat-insulation layer adopts rubber and plastic heat-preservation cotton, rock wool or foam cement, and is provided with steam overcoat; Heat-conducting plate is tabular planar structure, and is provided with screw hole; Described connecting line coated outside has pipe heat-insulation layer.
6. a kind of LED plant growth lamp liquid cooling apparatus according to claim 4, is characterized in that described liquid cooling passage is welded to form by two square main lines and the square parallel branch pipe of Duo Gen, and main line two ends are respectively equipped with threaded connector and welding plug; Heat-conducting plate adopts flat aluminium alloy plate, scribbles epoxy bond glue between liquid cooling passage and heat-conducting plate, and heat-insulation layer adopts the rubber and plastic heat-preservation cotton of single-sided back-adhesive, and protecting border is square, and connecting line is covered with heat-insulation layer outward.
7. a kind of LED plant growth lamp liquid cooling apparatus according to claim 1, is characterized in that described liquid cooling plate is that more than two liquid cooling plate is spliced.
8. a kind of LED plant growth lamp liquid cooling apparatus according to claim 1, is characterized in that described liquid cooling source adopts compressor cooling unit, air conditioner cooling tower or outer loop water tank.
9. a kind of LED plant growth lamp liquid cooling apparatus according to claim 1, is characterized in that described connecting line is provided with valve.
10. application rights requires in 1-9 a LED plant growth lamp for liquid cooling apparatus described in any one, it is characterized in that heat-conducting plate and the LED chip plate of described liquid cooling plate fits tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865964.3U CN203656872U (en) | 2013-12-26 | 2013-12-26 | LED (light emitting diode) plant growth lamp and liquid cooling device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865964.3U CN203656872U (en) | 2013-12-26 | 2013-12-26 | LED (light emitting diode) plant growth lamp and liquid cooling device thereof |
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| CN203656872U true CN203656872U (en) | 2014-06-18 |
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| CN201320865964.3U Expired - Fee Related CN203656872U (en) | 2013-12-26 | 2013-12-26 | LED (light emitting diode) plant growth lamp and liquid cooling device thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105613068A (en) * | 2015-12-29 | 2016-06-01 | 中国农业科学院农业环境与可持续发展研究所 | Facility plant LED light and temperature coordinated cultivation device and method |
| CN107093834A (en) * | 2017-05-27 | 2017-08-25 | 深圳市创鑫激光股份有限公司 | A kind of optical fiber laser and its liquid cooling plate |
| WO2019040944A3 (en) * | 2017-08-25 | 2019-03-28 | Agnetix, Inc. | Fluid-cooled led-based lighting methods and apparatus for controlled environment agriculture |
| CN111316846A (en) * | 2019-12-24 | 2020-06-23 | 贵州航天智慧农业有限公司 | Cooling system for planting container plant growth lamp |
| US10959383B2 (en) | 2018-05-04 | 2021-03-30 | Agnetix, Inc. | Methods, apparatus, and systems for lighting and distributed sensing in controlled agricultural environments |
| US10999976B2 (en) | 2017-09-19 | 2021-05-11 | Agnetix, Inc. | Fluid-cooled lighting systems and kits for controlled agricultural environments, and methods for installing same |
| US11013078B2 (en) | 2017-09-19 | 2021-05-18 | Agnetix, Inc. | Integrated sensor assembly for LED-based controlled environment agriculture (CEA) lighting, and methods and apparatus employing same |
| US11076536B2 (en) | 2018-11-13 | 2021-08-03 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus for controlled environment agriculture with integrated cameras and/or sensors and wireless communications |
| WO2024001532A1 (en) * | 2022-07-01 | 2024-01-04 | 华为技术有限公司 | Vehicle lamp and vehicle |
| US11982433B2 (en) | 2019-12-12 | 2024-05-14 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus in close proximity grow systems for Controlled Environment Horticulture |
| US12020430B2 (en) | 2019-12-10 | 2024-06-25 | Agnetix, Inc. | Multisensory imaging methods and apparatus for controlled environment horticulture using irradiators and cameras and/or sensors |
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2013
- 2013-12-26 CN CN201320865964.3U patent/CN203656872U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105613068A (en) * | 2015-12-29 | 2016-06-01 | 中国农业科学院农业环境与可持续发展研究所 | Facility plant LED light and temperature coordinated cultivation device and method |
| CN105613068B (en) * | 2015-12-29 | 2018-11-20 | 中国农业科学院农业环境与可持续发展研究所 | A kind of facility plant LED light temperature collaboration culture apparatus and cultural method |
| CN107093834A (en) * | 2017-05-27 | 2017-08-25 | 深圳市创鑫激光股份有限公司 | A kind of optical fiber laser and its liquid cooling plate |
| WO2019040944A3 (en) * | 2017-08-25 | 2019-03-28 | Agnetix, Inc. | Fluid-cooled led-based lighting methods and apparatus for controlled environment agriculture |
| US11044854B2 (en) | 2017-09-19 | 2021-06-29 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus for controlled agricultural environments having a vertically-stacked multiple-level growing area |
| US10856470B2 (en) | 2017-09-19 | 2020-12-08 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus for controlled environment agriculture |
| US10881051B2 (en) | 2017-09-19 | 2021-01-05 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus for controlled environment agriculture |
| US11889799B2 (en) | 2017-09-19 | 2024-02-06 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus for controlled agricultural environments |
| US10999976B2 (en) | 2017-09-19 | 2021-05-11 | Agnetix, Inc. | Fluid-cooled lighting systems and kits for controlled agricultural environments, and methods for installing same |
| US11013078B2 (en) | 2017-09-19 | 2021-05-18 | Agnetix, Inc. | Integrated sensor assembly for LED-based controlled environment agriculture (CEA) lighting, and methods and apparatus employing same |
| US11678422B2 (en) | 2017-09-19 | 2023-06-13 | Agnetix, Inc. | Lighting system and sensor platform for controlled agricultural environments |
| US11310885B2 (en) | 2017-09-19 | 2022-04-19 | Agnetix, Inc. | Lighting system and sensor platform for controlled agricultural environments |
| US11272589B2 (en) | 2017-09-19 | 2022-03-08 | Agnetix, Inc. | Integrated sensor assembly for LED-based controlled environment agriculture (CEA) lighting, and methods and apparatus employing same |
| US11266081B2 (en) | 2018-05-04 | 2022-03-08 | Agnetix, Inc. | Methods, apparatus, and systems for lighting and distributed sensing in controlled agricultural environments |
| US10959383B2 (en) | 2018-05-04 | 2021-03-30 | Agnetix, Inc. | Methods, apparatus, and systems for lighting and distributed sensing in controlled agricultural environments |
| US11076536B2 (en) | 2018-11-13 | 2021-08-03 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus for controlled environment agriculture with integrated cameras and/or sensors and wireless communications |
| US11627704B2 (en) | 2018-11-13 | 2023-04-18 | Agnetix, Inc. | Lighting, sensing and imaging methods and apparatus for controlled environment agriculture |
| US12020430B2 (en) | 2019-12-10 | 2024-06-25 | Agnetix, Inc. | Multisensory imaging methods and apparatus for controlled environment horticulture using irradiators and cameras and/or sensors |
| US11982433B2 (en) | 2019-12-12 | 2024-05-14 | Agnetix, Inc. | Fluid-cooled LED-based lighting methods and apparatus in close proximity grow systems for Controlled Environment Horticulture |
| CN111316846A (en) * | 2019-12-24 | 2020-06-23 | 贵州航天智慧农业有限公司 | Cooling system for planting container plant growth lamp |
| WO2024001532A1 (en) * | 2022-07-01 | 2024-01-04 | 华为技术有限公司 | Vehicle lamp and vehicle |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20171226 |