WO2018171342A1 - 一种高散热性led防爆灯 - Google Patents

一种高散热性led防爆灯 Download PDF

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Publication number
WO2018171342A1
WO2018171342A1 PCT/CN2018/075106 CN2018075106W WO2018171342A1 WO 2018171342 A1 WO2018171342 A1 WO 2018171342A1 CN 2018075106 W CN2018075106 W CN 2018075106W WO 2018171342 A1 WO2018171342 A1 WO 2018171342A1
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WO
WIPO (PCT)
Prior art keywords
end surface
explosion
heat dissipation
proof
casing
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Application number
PCT/CN2018/075106
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English (en)
French (fr)
Inventor
刘洪超
曾庆龙
刘浩
Original Assignee
深圳市紫光照明技术股份有限公司
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Application filed by 深圳市紫光照明技术股份有限公司 filed Critical 深圳市紫光照明技术股份有限公司
Publication of WO2018171342A1 publication Critical patent/WO2018171342A1/zh

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Classifications

    • 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
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades

Definitions

  • the invention belongs to the field of LED lamps, and in particular to a high heat dissipation LED explosion-proof lamp.
  • lighting fixtures With the rapid development of science and technology, the use of lighting fixtures in production, warehousing and rescue is more and more extensive, and there are more and more varieties. Since lighting fixtures usually use metal halide lamps or fluorescent lamps as the light source, when working, it is inevitable that electric sparks or hot surfaces will be formed. Once they meet explosive gas, dust or a mixture of them at the production or rescue site, they will Caused an explosion. Therefore, in a dangerous place where there is explosive gas, dust or a mixture thereof, how to prevent the explosion of lighting fixtures has become an important issue.
  • the existing explosion-proof luminaire achieves the purpose of explosion-proof by limiting the temperature of the surface of the casing in contact with arcs, sparks and explosive gases and dust generated inside the lamp.
  • the technical problem to be solved by the invention is to overcome the above defects and provide a high heat dissipation LED explosion-proof lamp with reasonable design, both explosion-proof and heat-dissipating requirements, which can ensure that the LED lamp works in a dangerous environment and has a good heat dissipation effect. Guarantee the service life of the lamps and is suitable for promotion.
  • a high heat dissipation LED explosion-proof lamp comprising: a casing having a truncated cone type hollow structure and a heat dissipating component disposed on a side surface of the casing; the casing comprising an upper end surface and a lower end surface, between the upper end surface and the lower end surface Connecting the connecting cylinder; the upper end surface, the lower end surface and the connecting cylinder are integrally die-cast; the heat dissipating component comprises a plurality of extruded heat dissipating fins, and the heat dissipating fins are mounted on the outer side surface of the connecting cylinder; the upper end surface The bottom surface of the lower end surface and the connecting barrel is provided with an explosion-proof mesh layer made of a metal material; the housing is a housing made of an opaque material, and the inside of the connecting cylinder is designed as a cavity for accommodating the light source.
  • the edge of the upper end surface is provided with an annular groove, a side of the groove is provided with a plurality of connecting seats, and the connecting seat is provided with a mounting hole; the side of the groove between the connecting seats Set with a number of bumps.
  • the connecting barrel is symmetrically provided with two wire holes.
  • the end of the connecting barrel penetrates the upper end surface and is provided with a cover plate;
  • the cover plate includes a cap top, and a brim portion extending vertically downward from the top edge of the cap, the edge of the brim portion Abuts the upper end surface and abuts against the end of the heat dissipating fin.
  • the outer end surface of the lower end surface is provided with an annular groove
  • the side surface of the groove is provided with a plurality of connecting holes
  • the inner side of the groove is provided with a protrusion
  • the invention has reasonable design and has the requirements of explosion-proof and heat dissipation, can ensure the working of the LED lamp in a dangerous environment, and has good heat-dissipating effect to ensure the service life of the lamp. For promotion.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention.
  • a high heat dissipation LED explosion-proof lamp includes a casing of a truncated-type hollow structure and a heat dissipating component disposed on a side surface of the casing.
  • the housing includes an upper end surface 5 and a lower end surface 7, and a connecting barrel is connected between the upper end surface 5 and the lower end surface 7.
  • the upper end surface 5, the lower end surface 7, and the connecting barrel are integrally die-cast.
  • the heat dissipating member includes a plurality of extruded heat dissipating fins 8 mounted on an outer side surface of the connecting barrel.
  • the upper end face 5, the lower end face 7, and the inside of the connecting barrel are provided with an explosion-proof mesh layer made of a metal material.
  • the housing is a housing made of an opaque material, and the interior of the connecting barrel is designed as a cavity for accommodating the illuminating light source.
  • the edge of the upper end surface is provided with an annular groove 2, and a plurality of connecting seats are arranged on the side of the groove 2, and the mounting seat is provided with a mounting hole 1.
  • a plurality of protrusions 3 are provided on the side of the groove between the connecting seats.
  • Two wire holes 9 are symmetrically disposed on the connecting barrel.
  • the end of the connecting barrel penetrates the upper end surface and is provided with a cover plate 4.
  • the cover plate 4 includes a cap top and a brim portion extending vertically downward from the top edge of the cap, the edge of the brim portion penetrating the upper end surface and abutting the end of the heat dissipating fin 8.
  • the outer end surface of the lower end surface 7 is provided with an annular groove, and a plurality of connecting holes 6 are arranged on the side surface of the groove, and the inner side of the groove is provided with a protrusion 10.
  • the invention has reasonable design and has the requirements of explosion-proof and heat-dissipating, can ensure the working of the LED lamp in a dangerous environment, has good heat-dissipating effect, ensures the service life of the lamp, and is suitable for promotion.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种高散热性LED防爆灯，包括圆台型中空结构的壳体以及设置在壳体侧面上的散热部件；该壳体包括上端面（5）和下端面（7），上端面（5）和下端面（7）之间连接有连接筒；该上端面（5）、下端面（7）和连接筒一体压铸成型；该散热部件包括若干个挤压成型的散热翅片（8），散热翅片（8）安装在连接筒的外侧面上；该上端面（5）、下端面（7）和连接筒的内部设置有由金属材料制成的防爆网层；该壳体是由不透明材料制成的壳体，连接筒的内部为空腔设计，用以容置发光光源。该高散热性LED防爆灯设计合理，兼具防爆和散热要求，能够保证LED灯具在危险环境下工作，同时具有良好的散热效果，保证灯具的使用寿命，适于推广。

Description

一种高散热性LED防爆灯 说明书
技术领域
本发明属于LED灯领域，具体地说，涉及一种高散热性LED防爆灯。
背景技术
随着科技的飞速发展，照明灯具在生产、仓储、救援中的使用越来越广泛，品种也越来越多。由于照明灯具通常采用金卤灯或者荧光灯作为光源，在工作的时候，不可避免地会产生电火花或形成炽热的表面，它们一旦与生产或救援现场的爆炸性气体、粉尘或者其混合物相遇，就会导致爆炸事故的发生。因此，在存在爆炸性气体、粉尘或者其混合物的危险场所里，如何防止照明灯具爆炸事故的发生，已经成为十分重要的课题。现有的防爆灯具通过限制灯具内部产生的电弧、火花与爆炸性气体、粉尘接触的外壳表面的温度达到防爆的目的。
发明内容
本发明要解决的技术问题是克服上述缺陷，提供了一种高散热性LED防爆灯，设计合理，兼具防爆和散热要求，能够保证LED灯具在危险环境下工作，同时具有良好的散热效果，保证灯具的使用寿命，适于推广。
为解决上述问题，本发明所采用的技术方案是：
一种高散热性LED防爆灯，其特征在于：包括圆台型中空结构的壳体以及设置在壳体侧面上的散热部件；所述壳体包括上端面和下端面，上端面和下端面之间连接有连接筒；所述上端面、下端面和连接筒一体压铸成型；所述散热部件包括若干个挤压成型的散热翅片，散热翅片安装在连接筒的外侧面上；所述上端面、下端面和连接筒的内部设置有由金属材料制成的防爆网层；所述壳体是由不透明材料制成的壳体，连接筒的内部为空腔设计，用以容置发光光源。
作为一种改进，所述上端面的边缘位置设置有环形的凹槽，凹槽的侧面上设置有若干个连接座，连接座上设置有安装孔；所述连接座之间的凹槽侧面上设置有若干凸起。
作为一种改进，所述连接筒上对称设置有两个走线孔。
作为一种改进，所述连接筒的端部贯穿上端面且设置有盖板；所述盖板包括帽顶部、以及从帽顶部边缘垂直向下延伸的帽沿部，所述帽沿部的边缘贯穿上端面且抵靠散热翅片的端部。
作为一种改进，所述下端面的外侧端面上设置有环形的凹槽，凹槽的侧面上设置有若干个连接孔，且凹槽的内侧面上设置有凸起。
由于采用了上述技术方案，与现有技术相比，本发明设计合理，兼具防爆和散热要求，能够保证LED灯具在危险环境下工作，同时具有良好的散热效果，保证灯具的使用寿命，适于推广。
同时下面结合附图和具体实施方式对本发明作进一步说明。
附图说明
图1为本发明一种实施例的结构示意图。
具体实施方式
实施例：
如图1所示，一种高散热性LED防爆灯，包括圆台型中空结构的壳体以及设置在壳体侧面上的散热部件。
所述壳体包括上端面5和下端面7，上端面5和下端面7之间连接有连接筒。所述上端面5、下端面7和连接筒一体压铸成型。所述散热部件包括若干个挤压成型的散热翅片8，散热翅片8安装在连接筒的外侧面上。所述上端面5、下端面7和连接筒的内部设置有由金属材料制成的防爆网层。所述壳体是由不透明材料制成的壳体，连接筒的内部为空腔设计，用以容置发光光源。
所述上端面的边缘位置设置有环形的凹槽2，凹槽2的侧面上设置有若干个连接座，连接座上设置有安装孔1。所述连接座之间的凹槽侧面上设置有若干凸起3。所述连接筒上对称设置有两个走线孔9。
所述连接筒的端部贯穿上端面且设置有盖板4。所述盖板4包括帽顶部、以及从帽顶部边缘垂直向下延伸的帽沿部，所述帽沿部的边缘贯穿上端面且抵靠散热翅片8的端部。
所述下端面7的外侧端面上设置有环形的凹槽，凹槽的侧面上设置有若干个连接孔6，且凹槽的内侧面上设置有凸起10。
本发明设计合理，兼具防爆和散热要求，能够保证LED灯具在危险环境下工作，同时具有良好的散热效果，保证灯具的使用寿命，适于推广。
本发明不局限于上述的优选实施方式，任何人应该得知在本发明的启示下做出的结构变化，凡是与本发明具有相同或者相近似的技术方案，均属于本发明的保护范围。

Claims (5)

  1. 一种高散热性LED防爆灯，其特征在于：包括圆台型中空结构的壳体以及设置在壳体侧面上的散热部件；
    所述壳体包括上端面和下端面，上端面和下端面之间连接有连接筒；所述上端面、下端面和连接筒一体压铸成型；所述散热部件包括若干个挤压成型的散热翅片，散热翅片安装在连接筒的外侧面上；所述上端面、下端面和连接筒的内部设置有由金属材料制成的防爆网层；
    所述壳体是由不透明材料制成的壳体，连接筒的内部为空腔设计，用以容置发光光源。
  2. 根据权利要求1所述的一种高散热性LED防爆灯，其特征在于：所述上端面的边缘位置设置有环形的凹槽，凹槽的侧面上设置有若干个连接座，连接座上设置有安装孔；所述连接座之间的凹槽侧面上设置有若干凸起。
  3. 根据权利要求2所述的一种高散热性LED防爆灯，其特征在于：所述连接筒上对称设置有两个走线孔。
  4. 根据权利要求3所述的一种高散热性LED防爆灯，其特征在于：所述连接筒的端部贯穿上端面且设置有盖板；所述盖板包括帽顶部、以及从帽顶部边缘垂直向下延伸的帽沿部，所述帽沿部的边缘贯穿上端面且抵靠散热翅片的端部。
  5. 根据权利要求4所述的一种高散热性LED防爆灯，其特征在于：所述下端面的外侧端面上设置有环形的凹槽，凹槽的侧面上设置有若干个连接孔，且凹槽的内侧面上设置有凸起。
PCT/CN2018/075106 2017-03-20 2018-02-02 一种高散热性led防爆灯 WO2018171342A1 (zh)

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* Cited by examiner, † Cited by third party
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CN106764718A (zh) * 2017-03-20 2017-05-31 深圳市紫光照明技术股份有限公司 一种高散热性led防爆灯

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EP0378734A1 (de) * 1989-01-20 1990-07-25 Friedrich Horst Papenmeier Elektrische Schauglas-Leuchte
CN104180316A (zh) * 2013-05-24 2014-12-03 深圳市海洋王照明工程有限公司 大功率灯具
CN205191498U (zh) * 2015-12-14 2016-04-27 浙江惟丰防爆电气有限公司 一种防爆灯
CN106764718A (zh) * 2017-03-20 2017-05-31 深圳市紫光照明技术股份有限公司 一种高散热性led防爆灯
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