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A lamp holder and radiator technology, applied in the field of lamps, can solve problems such as carbonization and insulation deterioration, and achieve the effect of suppressing excessive temperature rise
Active Publication Date: 2015-04-29
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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Abstract
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Problems solved by technology
Among electronic parts, some parts become high temperature when LED is turned on (such as integrated circuit parts), parts of electronic parts mounted with high temperature on the circuit board are carbonized, and insulation deterioration occurs.
Method used
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no. 1 Embodiment approach ＞
[0033] 1. Lighting device
[0034] figure 1 It is a sectional view of the lighting device 1 of the first embodiment.
[0035] The lighting device 1 includes: a lighting fixture 5 embedded in the ceiling 3 using an opening 3 a of the ceiling 3 ; and an LED lamp 7 attached to the lighting fixture 5 . In addition, the LED lamp 7 will be described later.
[0036] The lighting fixture 5 is for a so-called downlight, and has: a bowl-shaped fixture main body 9; a lamp holder 11 for assembling a lamp; 9 connection; and the connection part 15, connected with the commercial power supply. In addition, conventional lamps such as the LED lamp 7 of this embodiment, an incandescent bulb, a small krypton bulb, and a bulb-type fluorescent lamp can be attached to the socket.
[0037] In the lamp socket 11 , the central axis Y of the lamp socket 11 (which is also the central axis of the LED lamp 7 ) is inclined at a predetermined inclination angle A, for example, 70 degrees, relative to the ...
no. 2 Embodiment approach ＞
[0141] In the first embodiment, the LED module 24 is mounted on the main body 22 in a state inclined with respect to the lamp center axis Z. As shown in FIG. In the second embodiment, a mode in which the LED module is mounted in a state perpendicular to the lamp central axis Z will be described.
[0142] Image 6 It is a sectional view showing the LED lamp 201 of the second embodiment.
[0143] LED lamp 201 has: LED module 203, has LED 218 as light source; Mounting member 205, mounts LED module 203; Housing 207, is equipped with mounting member 205 at one end; Spherical body 209, covers LED module 203; Circuit unit 211, The LED 218 is turned on; the circuit case 213 accommodates the circuit unit 211 inside and is arranged in the case 207;
[0144] In addition, the combination of the housing 207 and the mounting member 205 corresponds to the main body 22 in the first embodiment.
[0145] Like the first embodiment, the LED module 203 includes a mounting substrate 217, a plura...
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Abstract
A lamp comprises a light emitting module including a substrate and LEDs mounted on the substrate, a heat sink that is cylindrical and that discharges heat produced during light emission by the LEDs, a base provided at one end of the heat sink, a mounting member having a front surface whereon the light emitting module is mounted, and a circuit unit positioned partially in the heat sink, receiving power through the base and causing the light emitting element to emit light. The mounting member is in contact with the heat sink.so that the heat produced during light emission is transmitted to the heat sink. The circuit unit includes a circuit board and a plurality of electronic components mounted on the circuit board. The circuit board or at least one of the electronic components is thermally connected to the mounting member through a thermally conductive member.
Description
technical field [0001] The invention relates to a lamp with a light emitting element as a light source and a built-in circuit unit. Background technique [0002] In recent years, instead of incandescent bulbs, small krypton bulbs, and bulb-type fluorescent lamps (collectively referred to as "conventional lamps") used as light sources for lighting fixtures, high-efficiency semiconductor light-emitting devices have been proposed. Long-life LED (Light Emitting Diode) light. In addition, in order to distinguish this lamp using LED from conventional lamps, it is called an LED lamp. [0003] Among the above-mentioned LED lamps, for example, there is the following LED lamp (for example, Patent Document 1), which includes: an LED module, which is formed by mounting an LED on a substrate; a cylindrical heat sink, which dissipates heat when the LED emits light; It is arranged on one end side of the heat sink; the heat conduction part is equipped with an LED module on the surface, an...
Claims
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Application Information
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