CN104421701A - Explosion-proof lamp - Google Patents
Explosion-proof lamp Download PDFInfo
- Publication number
- CN104421701A CN104421701A CN201310404770.8A CN201310404770A CN104421701A CN 104421701 A CN104421701 A CN 104421701A CN 201310404770 A CN201310404770 A CN 201310404770A CN 104421701 A CN104421701 A CN 104421701A
- Authority
- CN
- China
- Prior art keywords
- light source
- explosion
- proof lamp
- housing
- source holder
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to an explosion-proof lamp. The explosion-proof lamp comprises a housing, a light source assembly and a transparent light mask, a first holding part, a wiring terminal body and a wiring terminal cover are arranged on the housing, a first holding chamber is formed in the wiring terminal body, the first holding chamber is used for holding electric wires, the wiring terminal cover closes the wiring terminal body, the light source assembly is held in the first holding part, the light source assembly comprises a light source fixing base, a driving board, at least one aluminum substrate and a plurality of LED (Light Emitting Diode) lamp beads, the light source fixing base is arranged on the housing, the light source fixing base is conical, a second holding chamber is formed in the light source fixing base, the second holding chamber and the first holding part form a second holding part, the driving board is held in the second holding part and is fixedly arranged on the housing, the at least one aluminum substrate is arranged on the light source fixing base, the plurality of LED lamp beads are arranged on the at least one aluminum substrate and the transparent light mask is arranged on the housing. The explosion-proof lamp provided by the invention has the advantages that the amount of emitted heat is small, the service life is long, the installation and maintenance are facilitated and the production cost is reduced.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of explosion-proof lamp.
Background technology
The environment for use of explosion-proof lamp on warship has ammunition depot, cabin, oil depot periphery or battery flat.Environment for use in civil aviaton is then cabin, oil depot periphery or battery flat, and existing explosion-proof lamp uses the incandescent lamp of 100w, but in use, incandescent lamp exists following shortcoming:
(1) incandescent lamp due to bulb large, heat is high, and light-source chamber volume is large, the very side of occupation of land, and ammunition store, cabin etc. are shorter, and therefore crewman, when passing in and out, is easy to encounter head at ordinary times;
(2) light source life of incandescent lamp is short, and the labour intensity therefore safeguarded is large, and the personnel that maintaining needs are many, waste time and energy, too increase cost simultaneously;
(3) light fixture caloric value is large, and incandescent lamp is thermal light source, and heat radiation is comparatively large, and cause heating up very soon in cabin, the soldier therefore worked under incandescent lamp has burning heat sensation, is unfavorable for that soldiers work;
(4) poor seismic behavior of light fixture, incandescent lamp is easy to that bulb occurs when the usual running of machine and comes off, and just comes off or break, poor reliability in batches especially when bombarding, and increases maintenance difficulty and cost.
Summary of the invention
The object of the present invention is to provide that a kind of caloric value is low, the life-span is long and anti-seismic performance is good, is convenient to the explosion-proof lamp of installation and maintenance simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of explosion-proof lamp, it comprises: housing, a light source assembly and a transparent light shield, described housing offers first resettlement section, be arranged at terminals body on described housing and wiring end cover, described terminals body offers first host cavity, described first host cavity is for accommodating electric wire, and described wiring end cover is fixedly arranged on described terminals body, and described wiring end cover closes described terminals body, described light source assembly is contained in described first resettlement section, described light source assembly comprises a light source holder, drive plate, at least one aluminium base and multiple LED lamp bead, described light source holder is fixedly arranged on described housing, described light source holder is cone-shaped, large end and the described housing of described light source holder are oppositely arranged, and the large end of described light source holder offers the second host cavity, described second host cavity and described first resettlement section form second resettlement section, described drive plate is contained in described second resettlement section, and described drive plate is fixedly arranged on described housing, at least one aluminium base described is fixedly arranged on described light source holder, described multiple LED lamp bead is fixedly arranged on described transparent light shield at least one aluminium base described and is fixedly connected with housing, and transparent light shield is launched described in the light transmission that sends of described light source assembly.
Wherein, described housing also comprises the first surface and second surface that are oppositely arranged, described first surface is provided with a ceiling type support, and described second surface offers described first resettlement section;
Wherein, described housing also comprises the outer face that connects described first surface and second surface, described outer face is provided with many radiating ribs;
Wherein, described many radiating ribs circumferentially distribute along described outer face;
Wherein, the shape of described light source holder is six terrace with edges;
Wherein, described light source assembly comprises six aluminium bases, and described six aluminium bases difference relative set is on six taper surfaces of described light source holder;
Wherein, described explosion-proof lamp also comprises multiple sealing ring, and described multiple sealing ring is respectively used to seal described housing, transparent light shield, terminals body and wiring end cover;
Wherein, described explosion-proof lamp also comprises a protection net, and described protection net is used for preventing light fixture explosion time part to be scattered polluting surrounding environment;
Wherein, described housing adopts die casting copper product.
LED lamp bead is fixed on taper light source holder by adopting by explosion-proof lamp provided by the invention, and described taper light source holder and described housing form resettlement section, in time the heat that described LED lamp bead produces can be distributed, use LED lamp bead caloric value is low simultaneously, long service life, anti-seismic performance are good, be convenient to installation and maintenance simultaneously, reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall schematic of the explosion-proof lamp that embodiment of the present invention provides;
Fig. 2 is the schematic diagram at another visual angle of Fig. 1;
Fig. 3 be Fig. 1 III-III to schematic diagram;
Fig. 4 is the schematic diagram of the fixed form of the aluminium base that provides of embodiment of the present invention and light source holder;
Fig. 5 is the structural representation of the wiring end cover side that embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
See also Fig. 1 to Fig. 3, a kind of explosion-proof lamp 100 that embodiment of the present invention provides, comprise a housing 10, light source assembly 20 and transparent light shield 30.Described housing 10 offers first resettlement section 11, and described light source assembly 20 is contained in described first resettlement section 11, and described transparent light shield 30 is fixedly connected with described housing 10, and described in the light transmission that sends of described light source assembly 20, transparent light shield 30 is launched.
In the present embodiment, in order to ensure stronger corrosion resistance and good thermal diffusivity, described housing 10 adopts copper die-casting material to make.Described housing 10 comprises the first surface 10a and second surface 10b that are oppositely arranged, described first surface 10a is provided with a ceiling support 101 described explosion-proof lamp 100 can installed on the ceiling, described ceiling support 101 is a few font, described ceiling support 101 is fixed by screws on described first surface 10a, more firm with the connection of described first surface 10a in order to ensure described ceiling support 101, adopt soket head cap screw 3 to be combined with spring shim 2 and flat shim 1.Concrete, on described ceiling support 101, corresponding described first surface 10a offers two the first through holes (not shown), described flat shim 1 and spring shim 2 are placed on successively on the position of described first through hole, described ceiling support 101, through described flat shim 1, elastomeric pad 2, first through hole and described first surface 10a, is fixed on described first surface 10a by described soket head cap screw 3.The two ends of described ceiling support 101 all offer the second through hole 101a, the Central Symmetry of the relatively described ceiling support 101 of described second through hole 101a, when described explosion-proof lamp 100 being fixed on the ceiling, screw can be used to pass described second through hole 101a, can by fixing on the ceiling for described explosion-proof lamp 100.Certainly, in other embodiments, the material of described housing 10 also can select die casting aluminium or other alloy materials.Described explosion-proof lamp 100 also can be arranged on wall or other places.Described ceiling support 101 is also connected with described first surface 10a by other modes, as welding or bonding etc.
Described first surface 10a is also provided with ground connection mark 102, described ground connection mark 102 is fixed on described first surface 10a by screw 4, and one end of contiguous described terminals body 12, so that staff's wiring.
Described second surface 10b offers described first resettlement section 11, described second surface 10b offers multiple third through-hole (not shown), described multiple third through-hole circumferentially arranges along described second surface 10b.
Described housing 10 also comprises the outer face 10c that connects described first surface 10a and second surface 10b, in the present embodiment, in order to increase the contact area of described housing 10 and outside air, strengthen radiating effect, described outer face 10c is provided with many radiating ribs 103, and described many radiating ribs 103 circumferentially distribute along described outer face 10c.Certainly, in other embodiments, also can add fin in described housing 10, also can reach good radiating effect.
In the present embodiment, described housing 10 also comprises a terminals body 12 and a wiring end cover 13, described terminals body 12 is located in the circumference of described housing 10, described terminals body 12 is rectangle, and described terminals body 12 offers a first host cavity 12a, described first host cavity 12a is for accommodating external cord, to ensure when circuit goes wrong, the described circuit that goes wrong and described explosion-proof lamp 100 can be isolated, avoid causing danger to described explosion-proof lamp 100 and surrounding environment.The both sides of described terminals body 12 are respectively arranged with a protruding cylindrical cavity 12b, described cylindrical cavity 12b and described first host cavity 12a interconnects, and described cylindrical cavity 12b is for accessing described external cord.Described wiring end cover 13 is fixedly arranged on described terminals body 12, and described wiring end cover 13 closes described terminals body 12, prevents the electric wire in described first host cavity 12a by wetting or being subject to dirt.Meanwhile, in order to make the combination of described terminals body 12 and described wiring end cover 13 tightr, described explosion-proof lamp 100 also comprises first sealing ring 40, and described first sealing ring 40 is for sealing described terminals body 12 and wiring end cover 13.
See also Fig. 4 to Fig. 5, described light source assembly 20 comprises a light source holder 21, at least one aluminium base 22 and multiple LED lamp bead 23, described light source holder 21 is fixedly connected with described housing 10, described light source holder 21 is cone-shaped, large end 211 and the described housing 10 of described light source holder 21 are oppositely arranged, the large end 211 of described light source holder 21 offers a second host cavity 211a, described second host cavity 211a and described first resettlement section 11 form a second resettlement section 21a, at least one aluminium base 22 described is fixedly arranged on described light source holder 21, described multiple LED lamp bead 23 is fixedly arranged at least one aluminium base 22 described.
In the present embodiment, in order to the height meeting described explosion-proof lamp 100 can not too high requirement and ring effect requirements, the shape of described light source holder 21 is six terrace with edges.Certainly, in other embodiments, described light source holder 21 also can be other shapes, as conical or eight terrace with edges etc.The large end of described light source holder 21 circumferentially direction is provided with a circular side panel 21b, described circular side panel 21b is fixedly connected with described housing 10 by screw, concrete, on described circular side panel 21b, corresponding described housing 10 offers multiple fourth hole (not shown), described multiple fourth hole is uniformly distributed along the periphery of described circular side panel 21b, each described screw 5 is each passed through each described fourth hole, is fixed on described housing 10 by described light source holder 21b.Meanwhile, in order to realize heat radiation, the small end 212 of described light source holder 21 centrally direction offers a fifth hole 21c.
In the present embodiment, good thermal conductivity is realized in order to meet ring effect requirements, described light source assembly 20 comprises six aluminium bases 22, and described six aluminium bases 22 difference relative set is on six taper surfaces of described light source holder 21, and adjacent described two aluminium bases 22 are all electrically connected.For the ease of replacing, described six aluminium bases 22 are fixed by screws on described light source holder 21, concrete, on described six aluminium bases 22 corresponding described light source holder 21 respectively taper surface on all offer the 6th through hole (not shown), each described 6th through hole is respectively along the Central Symmetry of each described aluminium base 22, each described screw 6 is each passed through each described 6th through hole, is fixed on described light source holder 21 by described six aluminium bases 22.Certainly, in other embodiments, the number of described aluminium base 22 also can according to the alteration of form of described light source holder 21, as one, eight or ten etc.Described six aluminium bases 22 are also connected with described light source holder 21 by alternate manner, as welding or bonding etc.
Described six aluminium bases 22 are provided with multiple LED lamp bead 23, and in the present embodiment, in order to meet lighting requirements, the number of the LED lamp bead 23 on described each aluminium base 22 is 25, and the width respectively along described aluminium base 22 is linearly arranged under the overlay.Described multiple LED lamp bead 23 is welded direct on described six aluminium bases 22 respectively.Certainly, in other embodiments, the quantity of described LED lamp bead 23 also can be selected according to actual needs.Described multiple LED lamp bead 23 is also fixed on described six aluminium bases 22, as bonding or riveted joint etc. by other modes.
Described light source assembly 20 also comprises a drive plate 24 for increasing described LED lamp bead 23 output current, and described drive plate 24 is contained in described second resettlement section 21a, and described drive plate 24 is fixedly connected on described housing 10, so that heat radiation.Described drive plate 24 is connected with electric wire 24a, and described electric wire 24a is each passed through each described aluminium base 22 and light source holder 21, is electrically connected with described aluminium base 22.In the present embodiment, described drive plate 24 is fixed by screws on described housing 10, and be oppositely arranged with described light source holder 21, to guarantee to be diffused in time on described housing 10 by the heat that described LED lamp bead 23 comes out timely, reduce the heating temp of described explosion-proof lamp 100.
Described transparent light shield 30 is oppositely arranged with described light source assembly 20.Replace for the ease of dismounting, described transparent light shield 30 is threaded with described housing 10.In the present embodiment, described transparent light shield 30 is hemispherical configuration, the divergence of beam emitted to make described light source assembly 20 and evenly soft, and described transparent light shield 30 inside is through atomization process, and in order to cost-saving and reduce weight, described transparent light shield 30 selects PC material.Certainly, in other embodiments, described transparent light shield 30 also can be other shapes, as four prism type or rectangle etc.Described transparent light shield 30 also can select the other materials such as glass.
Described explosion-proof lamp 100 also comprises second sealing ring 50, and described second sealing ring 50 points is for sealing described housing 10 and described transparent light shield 30.
Described explosion-proof lamp 100 also comprises a protection net 60, and described protection net 60 is scattered for preventing described explosion-proof lamp 100 explosion time part.In the present embodiment, in order to described housing 10 and the described transparent light shield 30 of fitting, described protection net 60 is hemispherical configuration, and described protection net 60 is fixed by screws on described transparent light shield 30 and described housing 10.Concrete, described protection net 60 is provided with multiple stator 61, described multiple stator 61 is circular stator, described multiple stator 61 circumferentially arranges along the periphery of described protection net 60, on described multiple stator 61, corresponding described transparent light shield 30 and described housing 10 offer multiple 7th through hole (not shown), described multiple 7th through hole respectively with described multiple stator 61 concentric, each described screw 7 is each passed through each described 7th through hole, transparent light shield 30 and described housing 10, described protection net 60 is fixed on described transparent light shield 30 and housing 10.
Described explosion-proof lamp 100 also comprises a nameplate 70, and in the present embodiment, described nameplate 70 is located on described wiring end cover 13, so that staff checks relevant information.Described nameplate 70 is fixed on the surface of described wiring end cover 13 by rivet.Certainly, in other embodiments, described nameplate 70 is also fixed on described wiring end cover 13 by other modes such as bonding or welding.
Explosion-proof lamp caloric value provided by the invention is low, long service life, anti-seismic performance are good, is convenient to installation and maintenance simultaneously, reduces production cost.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. an explosion-proof lamp, it is characterized in that, it comprises: a housing, a light source assembly and a transparent light shield, described housing offers first resettlement section, a terminals body and wiring end cover, described terminals body offers first host cavity, described first host cavity is for accommodating electric wire, described wiring end cover is fixedly arranged on described terminals body, described wiring end cover closes described terminals body, described light source assembly is contained in described first resettlement section, described light source assembly comprises a light source holder, drive plate, at least one aluminium base and multiple LED lamp bead, described light source holder is fixedly arranged on described housing, described light source holder is cone-shaped, large end and the described housing of described light source holder are oppositely arranged, and the large end of described light source holder offers the second host cavity, described second host cavity and described first resettlement section form second resettlement section, described drive plate is contained in described second resettlement section, and described drive plate is fixedly arranged on described housing, at least one aluminium base described is fixedly arranged on described light source holder, described multiple LED lamp bead is fixedly arranged at least one aluminium base described, described transparent light shield is fixedly connected with described housing, and transparent light shield is launched described in the light transmission that sends of described light source assembly.
2. explosion-proof lamp according to claim 1, it is characterized in that, described housing also comprises the first surface and second surface that are oppositely arranged, described first surface is provided with a ceiling support described explosion-proof lamp can installed on the ceiling, described second surface offers described first resettlement section.
3. explosion-proof lamp according to claim 2, is characterized in that, described housing also comprises the outer face that connects described first surface and second surface, described outer face is provided with many radiating ribs.
4. explosion-proof lamp according to claim 3, is characterized in that, described many radiating ribs circumferentially distribute along described outer face.
5. explosion-proof lamp according to claim 1, is characterized in that, the shape of described light source holder is six terrace with edges.
6. explosion-proof lamp according to claim 5, is characterized in that, described light source assembly comprises six aluminium bases, and described six aluminium bases difference relative set is on six taper surfaces of described light source holder.
7. explosion-proof lamp according to claim 1, is characterized in that, described explosion-proof lamp also comprises multiple sealing ring, and described multiple sealing ring is respectively used to seal described housing, transparent light shield, terminals body and wiring end cover.
8. explosion-proof lamp according to claim 1, is characterized in that, described explosion-proof lamp also comprises a protection net, and described protection net is used for preventing light fixture explosion time part to be scattered polluting surrounding environment.
9. explosion-proof lamp according to claim 1, is characterized in that, described housing adopts die casting copper product to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404770.8A CN104421701A (en) | 2013-09-06 | 2013-09-06 | Explosion-proof lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404770.8A CN104421701A (en) | 2013-09-06 | 2013-09-06 | Explosion-proof lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104421701A true CN104421701A (en) | 2015-03-18 |
Family
ID=52971470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310404770.8A Pending CN104421701A (en) | 2013-09-06 | 2013-09-06 | Explosion-proof lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN104421701A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059526Y (en) * | 2007-06-20 | 2008-05-14 | 江珏 | Mine alley way lamp |
| CN201251148Y (en) * | 2008-09-11 | 2009-06-03 | 陕西斯达煤矿安全装备有限公司 | LED round laneway lamp |
| KR101134990B1 (en) * | 2010-06-30 | 2012-04-09 | (주)이노셈코리아 | The led explosion-prooh lamp for improved radiating efficiency |
| CN202203703U (en) * | 2011-07-28 | 2012-04-25 | 飞利浦(中国)投资有限公司 | LED (Light-Emitting Diode) down lamp |
| CN202403030U (en) * | 2011-12-31 | 2012-08-29 | 上海旗升电气有限公司 | Light-emitting diode (LED) lamp with three-cavity structure |
| CN102798058A (en) * | 2012-09-07 | 2012-11-28 | 深圳市紫光照明技术有限公司 | Mineral flameproof LED (Light Emitting Diode) roadway lamp |
-
2013
- 2013-09-06 CN CN201310404770.8A patent/CN104421701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059526Y (en) * | 2007-06-20 | 2008-05-14 | 江珏 | Mine alley way lamp |
| CN201251148Y (en) * | 2008-09-11 | 2009-06-03 | 陕西斯达煤矿安全装备有限公司 | LED round laneway lamp |
| KR101134990B1 (en) * | 2010-06-30 | 2012-04-09 | (주)이노셈코리아 | The led explosion-prooh lamp for improved radiating efficiency |
| CN202203703U (en) * | 2011-07-28 | 2012-04-25 | 飞利浦(中国)投资有限公司 | LED (Light-Emitting Diode) down lamp |
| CN202403030U (en) * | 2011-12-31 | 2012-08-29 | 上海旗升电气有限公司 | Light-emitting diode (LED) lamp with three-cavity structure |
| CN102798058A (en) * | 2012-09-07 | 2012-11-28 | 深圳市紫光照明技术有限公司 | Mineral flameproof LED (Light Emitting Diode) roadway lamp |
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Application publication date: 20150318 |
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