JPH0183211U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案に成る照明器具の放熱装置の
一実施例を示す断面図、第２図はその要部を示す
部分拡大断面図、第３図は従来の照明器具の断面
図である。 なお図中１は器具本体、２は蛍光ランプ、３は
反射板、４は突出段部、５は電気部品、６は放熱
穴、７は換気穴である。その他図中同一符号は同
一または相当部分を示すものとする。 FIG. 1 is a sectional view showing an embodiment of a heat dissipation device for a lighting device according to this invention, FIG. 2 is a partially enlarged sectional view showing the main parts thereof, and FIG. 3 is a sectional view of a conventional lighting device. In the figure, 1 is a device body, 2 is a fluorescent lamp, 3 is a reflector, 4 is a protruding step, 5 is an electrical component, 6 is a heat radiation hole, and 7 is a ventilation hole. In other figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 所定間隔をおいて複数列に並設された直管形の
蛍光ランプと、その間に位置させた安定器などの
電気部品とを収納させた舟底形器具本体の天板に
、上記隣設蛍光ランプ間に位置するように放熱穴
を開設すると共に、この放熱穴と上記電気部品と
をその下方から覆うように、隣設蛍光ランプ相互
間にこれらと平行に断面Ｖ字形樋状反射板を設け
、この各反射板の両側傾斜面の途中に、それぞれ
外側への突出段部を形成させてその直上に、上記
放熱穴に連通する換気穴を開設したことを特徴と
する照明器具の放熱装置。 The above-mentioned adjacent fluorescent lamps are placed on the top plate of the boat-bottom appliance body, which houses straight tube fluorescent lamps arranged in multiple rows at predetermined intervals and electrical components such as ballasts placed between them. A heat dissipation hole is provided between the lamps, and a gutter-shaped reflector plate with a V-shaped cross section is provided between adjacent fluorescent lamps in parallel with each other so as to cover the heat dissipation hole and the electrical component from below. A heat dissipation device for a lighting equipment, characterized in that a step portion protruding outward is formed in the middle of both inclined surfaces of each of the reflectors, and a ventilation hole communicating with the heat dissipation hole is provided immediately above the step portion.