CN103185231A - Light emitting diode (LED) explosion-proof lamp - Google Patents
Light emitting diode (LED) explosion-proof lamp Download PDFInfo
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- CN103185231A CN103185231A CN2011104538043A CN201110453804A CN103185231A CN 103185231 A CN103185231 A CN 103185231A CN 2011104538043 A CN2011104538043 A CN 2011104538043A CN 201110453804 A CN201110453804 A CN 201110453804A CN 103185231 A CN103185231 A CN 103185231A
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- proof lamp
- explosion
- led
- proof
- light source
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- 238000009434 installation Methods 0.000 claims description 41
- 230000001681 protective effect Effects 0.000 claims description 16
- 239000005336 safety glass Substances 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 239000000084 colloidal system Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000005341 toughened glass Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 210000005069 ears Anatomy 0.000 description 6
- 230000035515 penetration Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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Abstract
A light emitting diode (LED) explosion-proof lamp comprises a cylindrical shell, two end covers and at least one LED light source module, wherein the two end covers are respectively arranged on two ends of the cylindrical shell; the LED light source module is arranged in the cylindrical shell; and the cylindrical shell comprises a toughened glass pipe and a protection sleeve covering the toughened glass pipe, and the protection sleeve is provided with a light emitting window enabling the light emitted by the at least one LED light source module to penetrate through and out. Due to the adoption of the LED explosion-proof lamp, the effective service life of the lamp can be guaranteed.
Description
Technical field
The present invention relates to light fixture, relate in particular to explosion-proof lamp.
Background technology
Explosion-proof class lighting, for example the marine explosion-proof light fixture has gradually and adopts LED as light source.Existing marine LED light fixture generally adopts the disc led light source that is periphery, for example: the disclosed a kind of LED explosion-proof lamp of Chinese patent ZL201020571014.6, comprise the led light source assembly and the constant-current driving power supply that link to each other by lead in shell and the shell cavity, this shell cavity comprises light source cavity and power supply cavity, be provided with a separation layer between the two, and on separation layer, extend first penetration pipe that is provided with a cylinder type hollow towards the power supply cavity, this lead passes first penetration pipe and links to each other with led light source assembly and constant-current driving power supply respectively, and is filled with the epoxy resin colloid in this first penetration pipe; The led light source assembly wherein is housed in this light source cavity reaches the plane taperedchromeplatedbezel that has reflection layer structure around a surface of led light source assembly, and perpendicular to the light source Plane Installation constant-current driving power supply is arranged in this power supply cavity.This structure is applicable to local cabin lighting among a small circle, is difficult to place more powerful light source.And, during installation, need special installing hole direction and size according to light fixture, outstanding angle steel or the steel pipe of welding between cabin wallboard and light fixture, design and installation construction separately, very inconvenient.Mostly be rectangular structure at cabin, the lower actual conditions of circular luminous intensity distribution usage factor, also there are some light fixtures to adopt strip, for example: the disclosed a kind of LED explosion-proof lamp of Chinese patent application CN201110180394.X, mainly by lamp outer casing, LED light emitting module and driving power module constitute, airtight fixed installation electric power driving module in the lamp outer casing, housing fixed installation Merlon fluorescent tube, fixed installation LED light emitting module in the fluorescent tube, the both positive and negative polarity of LED light emitting module connects the output of electric power driving module, and the input of electric power driving module connects external power source by the explosion-proof stuffing box of installing on the shell; Wherein, lamp outer casing is made of end cap, terminal box and side cover, and electric power driving module is fixedly mounted in the terminal box, and fixedly lacing wire is fixedly arranged between terminal box and the side cover.This structure, because Merlon shell environment at sea: the high ultraviolet ray of high hot high humidity, exist and can aging problem in 3 years, occur, can have influence on the Acceptable life of light fixture.In addition, during installation, need special installing hole direction and size according to light fixture equally, outstanding angle steel or the steel pipe of welding between cabin wallboard and light fixture, design and installation construction separately, very inconvenient.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiency that above-mentioned prior art exists, and proposes a kind of LED explosion-proof lamp, can guarantee the Acceptable life of light fixture.
The technical scheme that the present invention is directed to above-mentioned technical problem and propose comprises, proposes a kind of LED explosion-proof lamp, comprising: cylindrical outer casing; Two end caps are separately positioned on the two ends of this cylindrical outer casing; And at least one led light source module, be arranged in this cylindrical outer casing; Wherein, this cylindrical outer casing comprises the safety glass pipe and is located at the outer protective sleeve of this safety glass pipe, and this protective sleeve is provided with light-emitting window so that the light that this at least one led light source module is sent can be worn ejaculation goes.
This safety glass pipe is borosilicate safety glass material.
This protective sleeve is aluminium material.
This protective sleeve is the aluminium section bar of extrusion molding.
This end cap is the low-voltage cast aluminum material.
Also comprise two pull bar slide rails, the two ends of these two pull bar slide rails wear away and fastening in described two end caps outside from described two end caps respectively; This at least one led light source module is installed on these two pull bar slide rails slidably.
Each led light source module is 30W power band heat dissipation base.
The two ends of this protective sleeve are clamped by described two end caps respectively, and described two end caps adopt the epoxy colloid to carry out the flame proof encapsulation process.
Described two end caps are equipped with explosion-proof screw thread mouth; This LED explosion-proof lamp also comprises introducing device and end socket, and this introducing device and end socket are installed in the explosion-proof screw thread mouth place of described two end caps respectively.
Described two end caps all radially extend installation portion so that the installation of this LED explosion-proof lamp.
Compared with prior art, LED explosion-proof lamp of the present invention by adopting the combining structure of the safety glass pipe protective sleeve outer with being located at this safety glass pipe, can be guaranteed the Acceptable life of light fixture.
Description of drawings
Fig. 1 a, 1b and 1c are the outline drawing of LED explosion-proof lamp embodiment of the present invention, and wherein, Fig. 1 a is stereogram, and Fig. 1 b is front view, and Fig. 1 c is vertical view.
Fig. 2 a and 2b are the cross section view of LED explosion-proof lamp embodiment of the present invention, and wherein, Fig. 2 a is the cross section view of main apparent direction, and Fig. 2 b is the cross section view of looking up direction.
Fig. 3 is the three-dimensional exploded view of LED explosion-proof lamp embodiment of the present invention.
Fig. 4 is for adopting clamping installation unit of the present invention with the three-dimensional exploded view of lamp installation to the hull.
Fig. 5 is for adopting clamping installation unit of the present invention with the outline drawing of lamp installation to the hull, and wherein, Fig. 5 a is side view, and Fig. 5 b is upward view, and Fig. 5 c is front view, and Fig. 5 d is vertical view.
Fig. 6 is for adopting handrail tube installation unit of the present invention with the three-dimensional exploded view of lamp installation to the hull.
Fig. 7 is for adopting handrail tube installation unit of the present invention with the outline drawing of lamp installation to the hull, and wherein, Fig. 7 a is side view, and Fig. 7 b is upward view, and Fig. 7 c is front view, and Fig. 7 d is vertical view.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is given elaboration further.
Referring to Fig. 1 a to Fig. 3, LED explosion-proof lamp 1 embodiment of the present invention roughly comprises: cylindrical outer casing, and it comprises safety glass pipe 13 and the protective sleeve 14 that is located at outside this safety glass pipe 13; Two end caps 15 are separately positioned on the two ends of this cylindrical outer casing, and do flame proof and handle; And at least one led light source module 11, be arranged in this cylindrical outer casing.In the present embodiment, the number of led light source module 11 is three, and in other embodiment, the number of led light source module 11 can 1,2,4,5,6,7,8.This protective sleeve 14 is provided with light-emitting window 141 so that the light that led light source module 11 is sent can be worn to penetrate goes.In the present embodiment, the number of light-emitting window 141 is three, corresponding with a led light source module 11 respectively, in other embodiment, the number of light-emitting window 141 also can be according to the number of led light source module 11 and corresponding change, and these light-emitting windows 141 also can substitute with the C shape groove of an integral body.
Preferably, this safety glass pipe 13 is borosilicate safety glass materials, itself has good flame proof characteristic.This protective sleeve 14 is aluminium materials, can adopt the aluminium section bar of extrusion molding, and in other embodiments, this protective sleeve 14 also can be selected other materials for use, such as: high molecular synthetic material.
Each led light source module 11 is 30W power band heat dissipation bases, adopts aluminium base, and LED is laid in the front of aluminium base, and driver circuit and heat dissipation metal unit are arranged on the back side of aluminium base to make things convenient for the heat radiation of LED ground.
Each led light source module 11 has extended two power supply feeding terminal from the side, depends on the installation site, can be only to arrange a pair ofly in a side, and also can be respectively to arrange a pair ofly in both sides, every pair comprises: a female terminal 111 and a male terminal 112.By the annexation of two power supply feeding terminal on each led light source module 11, can lock each led light source module 11 position each other.
Each led light source module 11 also respectively is provided with a laterally extending mounting groove 113 in both sides up and down.
This function of the present invention independently led light source module 11 can be combined into 30,60,90,120 neatly ... until each power ranks such as 240W, thereby can be applicable to the long and narrow luminous intensity distribution of the boats and ships place of different illumination.
Two end caps 15 are low-voltage cast aluminum materials, and structure is identical, in order to standardization.Need to prove that two end caps also can be designed to different structure, the side of one of them end cap is complete closed, and the side of another end cap is perforate/mouth, wears for cable.
Further, LED explosion-proof lamp 1 of the present invention also can comprise: two pull bar slide rails 12, and its two ends are provided with thread segment, and the two ends of these two pull bar slide rails 12 perforation 154 from two end caps 15 respectively pass, and tighten up by nut 18 in the outside of end cap 15; These two pull bar slide rails 12 can be located on the mounting groove 113 of these led light source modules 11, thereby led light source module 11 is attached on these two pull bar slide rails 12 slidably.As seen, two pull bar slide rails 12 are set and play two effects: the two ends end cap 15 of first tension sealing; Its another be that led light source module 11 can be slided thereon, installs with convenient.
Further, LED explosion-proof lamp 1 of the present invention also can comprise: introducing device 16 and end socket 17 are installed in explosion-proof screw thread mouth 151 places of these two end caps 15 respectively.By this introducing device 16, LED explosion-proof lamp 1 inner with outside electric explosion-proof screw thread mouth 151 by one of them end cap 15 can be realized being connected; By this end socket 17, can be with wherein explosion-proof screw thread mouth 151 sealings of another end cap 15.
Referring to Fig. 4 to Fig. 5 d, for adopting clamping installation unit 2 of the present invention above-mentioned LED explosion-proof lamp 1 is installed to application scenarios on the hull.At this moment, the U-shaped that is equiped with standard on the hull 20 is installed steel band 30, and LED explosion-proof lamp 1 can be fixed to U-shaped securely by two cover installation units 2 and install on the steel band 30.
Every cover clamps installation unit 2 and roughly comprises: mount pad 21, in order to this mount pad 21 is secured to this U-shaped install on steel band 30 three bolts 22 and in order to this LED explosion-proof lamp 1 is secured to two bolts 23 on this mount pad 21.
Preferably, this mount pad 21 is metal material.Bolt 22,23 is the M6 type.
Need to prove that the number of first installing hole 212 can be one, two or other number.First installing hole 212 can be that screwed hole also can be smooth hole, can also be that first installing hole 212 is smooth hole for first installing hole 212 on screwed hole, another sidewall on one of them sidewall.Second installing hole 213 also can be one, three or other number.Preferably, second installing hole 213 is screwed hole.
During installation, can earlier mount pad 21 be inserted three first installing holes 212, hold out against on U-shaped installation steel band 30 and adjust spacing by three bolts 22, again two installing holes 1521 on the LED explosion-proof lamp 1 are aimed at two second installing holes 213 of mount pads 21 and with two bolt 23 fixations, simple and convenient in the extreme.Adopt the such clamping installation unit 2 of two covers, can easily above-mentioned LED explosion-proof lamp 1 be used as sleeve configuration deck explosion-proof lamp.
Referring to Fig. 6 to Fig. 7 d, for adopting handrail tube installation unit 3 of the present invention above-mentioned LED explosion-proof lamp 1 is installed to application scenarios on the hull.At this moment, be equiped with handrail tube 40 on the hull 20, LED explosion-proof lamp 1 can be fixed on the handrail tube 40 securely by two cover installation units 3.Herein, handrail tube 40 can be made a general reference the tubulose installed part that arranges on the cabin wallboard.
Every cover installation unit 3 roughly comprises: mount pad 31, two anchor ears 32, in order to three bolts 33 of the upper end that this mount pad 31 is secured to these two anchor ears 32, two cover bolts and nuts combinations 34 that tighten up in order to the lower end with these two anchor ears 32 and in order to LED explosion-proof lamp 1 is secured to two bolts 35 on this mount pad 31.
Each anchor ear 32 comprises semicircular main body 321 and shirt rim, upper end 322 and the shirt rim, lower end 323 of radially being extended by the two ends of this main body 321, respectively is provided with three perforation on shirt rim, upper end 322 and the shirt rim, lower end 323.These two anchor ears 32 handrail tube 40 of can filling the span of a man's arms with cooperatively interacting.
Need to prove that the number of first installing hole 313 can be one, two or other number.First installing hole 313 can be that screwed hole also can be smooth hole, can also be that first installing hole 313 is smooth hole for first installing hole 313 on screwed hole, another sidewall on one of them sidewall.Second installing hole 315 also can be one, three or other number.Preferably, second installing hole 315 is screwed hole.
During installation, can earlier two anchor ears 32 be filled the span of a man's arms on handrail tube 40, in the lower end 323 usefulness, the two cover bolts and nuts combinations 34 of shirt rim, two lower ends are tightened, after adjusting spacing and shirt rim 322, alignment upper end, in the clip slot 311 of going into mount pad 31, tighten by 33 insertions of three bolts, two bolt 35 fixations of two screwed holes, 315 usefulness that two installing holes 1521 on the LED explosion-proof lamp 1 are aimed at mount pads 31 roofs are simple and convenient in the extreme again.Adopt the such handrail tube installation unit 3 of two covers, can easily above-mentioned LED explosion-proof lamp 1 be used as sleeve configuration deck explosion-proof lamp.
Compared with prior art, LED explosion-proof lamp 1 of the present invention, clamp the beneficial effect that installation unit 2 and handrail tube installation unit 3 have and comprise:
By being covered with the protective sleeve 14 of extruding aluminium cylinder section bar in safety glass pipe 13 outsides, can guarantee that LED explosion-proof lamp 1 highly falls and crackle can not appear in safety glass pipe 13 from 2 meters;
By using led light source, can not be subjected to the influence of high amplitude vibration fully, can use in a large number in the marine main engine cabin;
By adopting the led light source module 11 of high modularization, article two, the fit structure of pull bar slide rail 12 and end cap 15, can satisfy the regulation of GB/T3836.2-2000, and owing to compact conformation, adopt low-voltage cast aluminum, have good performance at aspects such as shock-resistant, antivibration and anticorrosions;
By forming installation portions 152 at end cap 15, and by mount pad 21 and the bolt 22,23 that connects, the U-shaped that can be installed to the standard that is equiped with on the hull 20 is easily installed on the steel band 30;
By forming installation portions 152 at end cap 15, and by mount pad 31, anchor ear 32 and the bolt 33,35 that connects, can be installed to easily on the handrail tube 40 that is equiped with on the hull 20.
Need to prove, though LED explosion-proof lamp 1 of the present invention is specially adapted to boats and ships, LED explosion-proof lamp 1 of the present invention also can be suitable for other similar application scenarios, and perhaps applied environment will good scene than boats and ships, therefore, LED explosion-proof lamp 1 of the present invention is not limited with marine vessel applications; Though in the above embodiments, clamping installation unit 2 of the present invention and handrail tube installation unit 3 are to cooperate above-mentioned LED explosion-proof lamp 1 to use, and among other the embodiment, also can cooperate other light fixtures to use.
Foregoing; it only is preferred embodiment of the present invention; be not for restriction embodiment of the present invention; those of ordinary skills are according to main design of the present invention and spirit; can carry out corresponding flexible or modification very easily, so protection scope of the present invention should be as the criterion with the desired protection domain of claims.
Claims (10)
1. a LED explosion-proof lamp is characterized in that, comprising:
Cylindrical outer casing;
Two end caps are separately positioned on the two ends of this cylindrical outer casing; And
At least one led light source module is arranged in this cylindrical outer casing;
Wherein, this cylindrical outer casing comprises the safety glass pipe and is located at the outer protective sleeve of this safety glass pipe, and this protective sleeve is provided with light-emitting window so that the light that this at least one led light source module is sent can be worn ejaculation goes.
2. according to the described LED explosion-proof lamp of claim 1, it is characterized in that this safety glass pipe is borosilicate safety glass material.
3. according to the described LED explosion-proof lamp of claim 1, it is characterized in that this protective sleeve is aluminium material.
4. according to the described LED explosion-proof lamp of claim 3, it is characterized in that this protective sleeve is the aluminium section bar of extrusion molding.
5. according to the described LED explosion-proof lamp of claim 1, it is characterized in that this end cap is the low-voltage cast aluminum material.
6. according to the described LED explosion-proof lamp of claim 1, it is characterized in that, also comprise two pull bar slide rails, the two ends of these two pull bar slide rails wear away and fastening in described two end caps outside from described two end caps respectively; This at least one led light source module is installed on these two pull bar slide rails slidably.
7. according to the described LED explosion-proof lamp of claim 1, it is characterized in that each led light source module is 30W power band heat dissipation base.
8. according to the described LED explosion-proof lamp of claim 1, it is characterized in that the two ends of this protective sleeve are clamped by described two end caps respectively, described two end caps adopt the epoxy colloid to carry out the flame proof encapsulation process.
9. according to the described LED explosion-proof lamp of claim 1, it is characterized in that described two end caps are equipped with explosion-proof screw thread mouth; This LED explosion-proof lamp also comprises introducing device and end socket, and this introducing device and end socket are installed in the explosion-proof screw thread mouth place of described two end caps respectively.
10. according to the arbitrary described LED explosion-proof lamp of claim 1 to 9, it is characterized in that described two end caps all radially extend installation portion so that the installation of this LED explosion-proof lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453804.3A CN103185231B (en) | 2011-12-29 | 2011-12-29 | Led anti-explosion lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453804.3A CN103185231B (en) | 2011-12-29 | 2011-12-29 | Led anti-explosion lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185231A true CN103185231A (en) | 2013-07-03 |
| CN103185231B CN103185231B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110453804.3A Expired - Fee Related CN103185231B (en) | 2011-12-29 | 2011-12-29 | Led anti-explosion lamp |
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| Country | Link |
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| CN (1) | CN103185231B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566119A (en) * | 2013-10-29 | 2015-04-29 | 江苏宏力光电科技有限公司 | Double-row-module LED (light emitting diode) high-pole projection lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077513U (en) * | 1989-11-29 | 1991-05-22 | 煤炭科学研究总院北京建井研究所 | Explosion-proof fluorescent lamp |
| TWM247769U (en) * | 2003-12-10 | 2004-10-21 | Guang Tsai | Improved structure for anti-explosion safety fluorescent lamps |
| CN201100618Y (en) * | 2007-08-30 | 2008-08-13 | 焦作市景安机电设备制造有限公司 | LED coal mine laneway floodlight |
| CN101440917A (en) * | 2008-12-12 | 2009-05-27 | 南京安科安全技术装备有限公司 | LED explosion-proof lamp |
| US20090279298A1 (en) * | 2008-05-06 | 2009-11-12 | Koninklijke Philips Electronics, N.V | Movable led track luminaire |
| CN201351890Y (en) * | 2009-01-06 | 2009-11-25 | 渭南永泰矿用设备有限责任公司 | Flame-proof dual-tube LED laneway lamp |
| CN101725940A (en) * | 2008-10-21 | 2010-06-09 | 富准精密工业(深圳)有限公司 | Light-emitting diode lamp |
| CN201652094U (en) * | 2010-03-10 | 2010-11-24 | 长沙恒锐照明电器有限公司 | Extensible modularized LED street lamp |
-
2011
- 2011-12-29 CN CN201110453804.3A patent/CN103185231B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077513U (en) * | 1989-11-29 | 1991-05-22 | 煤炭科学研究总院北京建井研究所 | Explosion-proof fluorescent lamp |
| TWM247769U (en) * | 2003-12-10 | 2004-10-21 | Guang Tsai | Improved structure for anti-explosion safety fluorescent lamps |
| CN201100618Y (en) * | 2007-08-30 | 2008-08-13 | 焦作市景安机电设备制造有限公司 | LED coal mine laneway floodlight |
| US20090279298A1 (en) * | 2008-05-06 | 2009-11-12 | Koninklijke Philips Electronics, N.V | Movable led track luminaire |
| CN101725940A (en) * | 2008-10-21 | 2010-06-09 | 富准精密工业(深圳)有限公司 | Light-emitting diode lamp |
| CN101440917A (en) * | 2008-12-12 | 2009-05-27 | 南京安科安全技术装备有限公司 | LED explosion-proof lamp |
| CN201351890Y (en) * | 2009-01-06 | 2009-11-25 | 渭南永泰矿用设备有限责任公司 | Flame-proof dual-tube LED laneway lamp |
| CN201652094U (en) * | 2010-03-10 | 2010-11-24 | 长沙恒锐照明电器有限公司 | Extensible modularized LED street lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566119A (en) * | 2013-10-29 | 2015-04-29 | 江苏宏力光电科技有限公司 | Double-row-module LED (light emitting diode) high-pole projection lamp |
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| CN103185231B (en) | 2016-03-23 |
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Granted publication date: 20160323 Termination date: 20181229 |