CN103016985B - Light-emitting diode (LED) anti-explosion floodlight - Google Patents
Light-emitting diode (LED) anti-explosion floodlight Download PDFInfo
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- CN103016985B CN103016985B CN201210541361.8A CN201210541361A CN103016985B CN 103016985 B CN103016985 B CN 103016985B CN 201210541361 A CN201210541361 A CN 201210541361A CN 103016985 B CN103016985 B CN 103016985B
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Abstract
The invention provides a light-emitting diode (LED) anti-explosion floodlight which comprises a front cover, a lamp shade, a shell and an LED circuit board, wherein the LED circuit board is provided with a plurality of LED light sources; the shell is internally provided with a first containing cavity; the LED circuit board is fixed in the first containing cavity; the shell is connected with the front cover in a sealing manner; a second containing cavity is arranged at the back of the shell; the first containing cavity is communicated with the second containing cavity by a first through hole; an anti-explosion connecting terminal is fixed in the second containing cavity; an external power line is communicated with an internal power line by the anti-explosion connecting terminal; and the internal power line passes through the first through hole and is connected with the LED circuit board. The LED anti-explosion floodlight is capable of effectively preventing flame and arc overflow from being generated in the first containing cavity and the second containing cavity, thus improving the anti-explosion performance and the safety performance of the floodlight; furthermore, an illumination part is separated from a wiring part, so that the safety performance is further improved.
Description
Technical field
The present invention relates to a kind of explosion-proof lamp, particularly relate to a kind of LED anti-explosion floodlight.
Background technology
Along with the develop rapidly of the industries such as oil, chemical industry, mining industry, the use of lighting in production, storage, rescue is more and more extensive, and kind also gets more and more.Along with the expansion of problem how preventing the accident blast of lighting, explosion-proof lamp is more and more subject to people's attention.Explosion-proof lamp is that a kind of issuable electric arc of lamp interior, spark and high temperature of preventing ignites imflammable gas in surrounding environment and dust, thus reaches requirement of explosion proof, and it is widely used in the hazardous area that imflammable gas and dust exist.
LED anti-explosion floodlight is a kind of light, and compared with traditional anti-explosion floodlight, it adopts LED particle as illuminating source, has the advantages such as energy-efficient, extra long life, safe and reliable, environmental protection.Chinese utility model patent description CN201973481U discloses a kind of LED anti-explosion floodlight, comprise protecgulum, toughened glass lampshade, main casing, LED light source plate and screw, LED light source plate is arranged on main casing inside, and protecgulum by toughened glass lampshade pressure on a main housing, and is screwed; Described main casing side wall of outer shell is provided with the streamlined projection of strip, main casing outer casing bottom is provided with the columnar protrusions of hollow out; The bottom of described main casing shell is provided with back casing, and both are fixed by screw, back casing sidewall is provided with the streamlined projection of strip; Every lamp pearl of described LED light source plate is all provided with optical lens, is fixed by screw; Described back casing is externally connected to bonnet, and both are provided with crossing current power supply at the interior volume of composition.This LED anti-explosion floodlight complicated integral structure, be unfavorable for reducing manufacturing cost, and this LED anti-explosion floodlight is only reach explosion-proof effect by improving its external cooling performance, its explosion-proof effect is poor.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of structure simple and the LED anti-explosion floodlight that explosion-proof performance is good.
For achieving the above object, the invention provides a kind of LED anti-explosion floodlight, comprise protecgulum, lampshade, housing and LED circuit board, described LED circuit board is provided with multiple LED light source, described enclosure interior is provided with the first cavity volume, described LED circuit board is fixedly located in described first cavity volume, and described housing and protecgulum are tightly connected; Described housing back is provided with the second cavity volume, described first cavity volume is communicated with by one first through hole with the second cavity volume, described second cavity volume internal fixtion is provided with an explosion-proof wiring terminal, one external power cord is by described explosion-proof wiring terminal and an internal power cord conducting, and described internal power cord to be located in described first through hole and to be connected with described LED circuit board.
Further, also comprise an anti-explosion cable joint, described housing bottom is provided with one second through hole, described second through hole is connected with described second cavity volume, described anti-explosion cable fitting end is located in described second through hole, and described external power cord to be located in described anti-explosion cable joint and to be connected with described explosion-proof wiring terminal.
Preferably, a reflector is also fixed with in described housing, described reflector comprises fixed part and extends to the reflecting part of described LED circuit board from fixed part, and described fixed part is fixedly connected with housing, and described multiple LED light source is all positioned at the space that reflecting part surrounds.
Further, described housing back is also fixed with multi-disc fin, and described fin is perpendicular to described housing.
Preferably, a sealing ring is all fixed with between described housing and protecgulum, between housing and bonnet.
Further, also comprise a bracing frame, the two ends of support frame as described above and housing hinge.
As mentioned above, the LED anti-explosion floodlight that the present invention relates to, has following beneficial effect:
In this LED anti-explosion floodlight, protecgulum and housing, bonnet and housing are and are tightly connected, and effectively prevent the flame, the electric arc spilling that produce in the first cavity volume and the second cavity volume, improve the explosion-proof performance of this floodlight, increase security performance.Meanwhile, in this LED anti-explosion floodlight, illumination section is located in the first cavity volume in housing, and wire connecting portion is divided is located in the second cavity volume of hull outside, make illumination section and wiring part separately, improve security performance further.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the structural representation of different angles of the present invention.
Fig. 3 is the explosion figure of Fig. 2.
Fig. 4 is the sectional view of Fig. 2.
Fig. 5 is that the A of Fig. 4 encloses enlarged drawing.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
See Fig. 1 and Fig. 2, the invention provides a kind of LED anti-explosion floodlight, comprise protecgulum 1, lampshade 2, housing 3 and LED circuit board 4, described LED circuit board 4 is provided with multiple LED light source 41, described housing 3 inside is provided with the first cavity volume 31, see Fig. 3, described LED circuit board 4 is fixedly located in described first cavity volume 31, is fixedly connected with housing 3, and described housing 3 is tightly connected with protecgulum 1; See Fig. 4 and Fig. 5, described housing 3 back is provided with the second cavity volume 32, described first cavity volume 31 is communicated with by one first through hole 33 with the second cavity volume 32, described second cavity volume 32 internal fixtion is provided with an explosion-proof wiring terminal 6, one external power cord 7 is by described explosion-proof wiring terminal 6 and internal power cord 8 conducting, and described internal power cord 8 to be located in described first through hole 33 and to be connected with described LED circuit board 4.
In this LED anti-explosion floodlight, lampshade 2 is fixedly pressed in housing 3 front by protecgulum 1, and protecgulum 1 is all fixedly connected with by securing member 14 with housing 3 with housing 3, bonnet 5, and the material of described lampshade 2 is safety glass.Further, protecgulum 1 and housing 3, bonnet 5 are with housing 3 and are tightly connected, and effectively prevent the flame, the electric arc spilling that produce in the first cavity volume 31 and the second cavity volume 32, improve the explosion-proof performance of this floodlight, increase security performance.Simultaneously, in this LED anti-explosion floodlight, illumination section (i.e. LED circuit board 4) is located in the first cavity volume 31 of housing 3 inside, and wire connecting portion (i.e. external power cord 7, internal power cord 8 and explosion-proof wiring terminal 6) point is located in the second cavity volume 32 of housing 3 outside, make illumination section and wiring part separately, improve security performance further.In addition, in this LED anti-explosion floodlight, wiring part adopts external power cord 7 by explosion-proof wiring terminal 6 and internal power cord 8 conducting, internal power cord 8 again by power delivery to LED circuit board 4, and then power to LED particle, compared with the structure of powering to LED particle with traditional direct employing power line, substantially increase the security performance of floodlight.
Further, see Fig. 4, also comprise an anti-explosion cable joint 9, one second through hole 34 is provided with bottom described housing 3, described second through hole 34 is connected with described second cavity volume 32, described anti-explosion cable joint 9 end is located in described second through hole 34, and described external power cord 7 to be located in described anti-explosion cable joint 9 and to be connected with described explosion-proof wiring terminal 6.
Preferably, a reflector 10 is also fixed with in described housing 3, see Fig. 5, described reflector 10 comprises fixed part 101 and extends to the reflecting part 102 of described LED circuit board 4 from fixed part 101, described fixed part 101 is fixedly connected with housing 3, and described multiple LED light source 41 is all positioned at the space that reflecting part 102 surrounds.
Further, described housing 3 back is also fixed with multi-disc fin 11, sees Fig. 1, and described fin 11 is perpendicular to described housing 3, and described fin 11 is placed in the back of the first cavity volume 31, namely facing to LED circuit board 4.In the present embodiment, described fin 11 and housing 3 are formed in one structure, and be convenient to manufacture, fin 11 is vertical with housing 3, expands area of dissipation, raising radiating efficiency.
Preferably, a sealing ring 12 is all fixed with between described housing 3 and protecgulum 1, between housing 3 and bonnet 5, see Fig. 3, and then realize protecgulum 1 and be tightly connected with housing 3 with housing 3, bonnet 5, protecgulum 1, sealing ring 12, housing 3 three through protecgulum 1, sealing ring 12, housing 3, are fixedly connected with by described securing member 14 successively; Bonnet 5, sealing ring 12, housing 3 three through bonnet 5, sealing ring 12, housing 3, are fixedly connected with by described securing member 14 successively.
Further, see Fig. 1 to Fig. 3, also comprise a bracing frame 13, two ends and the housing 3 of support frame as described above 13 are hinged, and the mid portion of support frame as described above 13 is a flat face, are convenient to the placement of this floodlight and the adjustment of angle.Concrete general, described housing 3 both sides are all fixedly connected with a ring set 15, and the two ends of support frame as described above 13 are enclosed within described ring set 15, and the two ends of bracing frame 13 can be rotated around ring set 15, and then the irradiating angle of adjustment floodlight.
In addition, in this LED anti-explosion floodlight, the front and back of described housing 3 is a plane, can be placed on reposefully and install on table top, then puts into each parts successively and assemble, and installs very convenient.
In sum, the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (6)
1. a LED anti-explosion floodlight, comprise protecgulum (1), lampshade (2), housing (3) and LED circuit board (4), described LED circuit board (4) is provided with multiple LED light source (41), it is characterized in that: described housing (3) inside is provided with the first cavity volume (31), described LED circuit board (4) is fixedly located in described first cavity volume (31), and described housing (3) and protecgulum (1) are tightly connected, described housing (3) back is provided with the second cavity volume (32), second cavity volume (32) place is provided with a bonnet (5) be tightly connected with housing (3), described first cavity volume (31) is communicated with by one first through hole (33) with the second cavity volume (32), described second cavity volume (32) internal fixtion is provided with an explosion-proof wiring terminal (6), one external power cord (7) is by described explosion-proof wiring terminal (6) and an internal power cord (8) conducting, described internal power cord (8) is located in described first through hole (33), and be connected with described LED circuit board (4), described LED circuit board (4) forms illumination section, described external power cord (7), internal power cord (8) and explosion-proof wiring terminal (6) form wiring part, illumination section and wire connecting portion phase-splitting is made separately by illumination section and wiring part being located at respectively in two chambeies be separated.
2. LED anti-explosion floodlight according to claim 1, it is characterized in that: also comprise an anti-explosion cable joint (9), described housing (3) bottom is provided with one second through hole (34), described second through hole (34) is connected with described second cavity volume (32), described anti-explosion cable joint (9) end is located in described second through hole (34), and described external power cord (7) to be located in described anti-explosion cable joint (9) and to be connected with described explosion-proof wiring terminal (6).
3. LED anti-explosion floodlight according to claim 1, it is characterized in that: in described housing (3), be also fixed with a reflector (10), described reflector (10) comprises fixed part (101) and extends to the reflecting part (102) of described LED circuit board (4) from fixed part (101), described fixed part (101) is fixedly connected with housing (3), and described multiple LED light source (41) is all positioned at the space that reflecting part (102) surrounds.
4. LED anti-explosion floodlight according to claim 1, is characterized in that: described housing (3) back is also fixed with multi-disc fin (11), and described fin (11) is perpendicular to described housing (3).
5. LED anti-explosion floodlight according to claim 1, is characterized in that: be all fixed with a sealing ring (12) between described housing (3) and protecgulum (1), between housing (3) and bonnet (5).
6. LED anti-explosion floodlight according to claim 1, is characterized in that: also comprise a bracing frame (13), and two ends and the housing (3) of support frame as described above (13) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541361.8A CN103016985B (en) | 2012-12-13 | 2012-12-13 | Light-emitting diode (LED) anti-explosion floodlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541361.8A CN103016985B (en) | 2012-12-13 | 2012-12-13 | Light-emitting diode (LED) anti-explosion floodlight |
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| Publication Number | Publication Date |
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| CN103016985A CN103016985A (en) | 2013-04-03 |
| CN103016985B true CN103016985B (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210541361.8A Active CN103016985B (en) | 2012-12-13 | 2012-12-13 | Light-emitting diode (LED) anti-explosion floodlight |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048184A (en) * | 2013-03-13 | 2014-09-17 | 海洋王（东莞）照明科技有限公司 | Lamp structure |
| CN103717025A (en) * | 2013-12-13 | 2014-04-09 | 常州联力自动化科技有限公司 | Flameproof controller |
| CN104832797A (en) * | 2015-04-24 | 2015-08-12 | 宁波燎原灯具股份有限公司 | Flameproof type LED (Light Emitting Diode) explosion-proof lamp |
| CN114060756A (en) * | 2021-11-26 | 2022-02-18 | 大庆恒驰电气有限公司 | An explosion-proof tunnel light |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5077130B2 (en) * | 2008-07-31 | 2012-11-21 | 東芝ライテック株式会社 | Lighting device |
| CN201851987U (en) * | 2010-10-22 | 2011-06-01 | 伍永乐 | LED (light-emitting diode) street lamp |
| CN202118575U (en) * | 2011-05-17 | 2012-01-18 | 陈桂兰 | High-power LED explosion-proof lamp with high radiating efficiency |
| CN202580812U (en) * | 2012-05-08 | 2012-12-05 | 北京七彩亮点环能技术有限公司 | Light-emitting diode (LED) square floodlight |
| CN102798104A (en) * | 2012-08-16 | 2012-11-28 | 浙江通明电器有限公司 | LED lamp and LED radiator |
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