JP2015038822A5

JP2015038822A5 -

Info

Publication number: JP2015038822A5
Application number: JP2013169344A
Authority: JP
Filing date: 2013-08-19
Publication date: 2016-09-08
Anticipated expiration: 2033-08-19

Description

本発明に係る照明ランプは、第１内径を有する第１内部空間と、第１内径より小さい第２内径を有する第２内部空間と、該第１内部空間と該第２内部空間とを連接している錐状の第３内部空間とが、連通した内部空間を形成する筒状の筐体部と、光源を点灯させる点灯回路が配置され、第１内径より狭く第２内径より広い幅広部端面と第２内径より狭い幅狭部端面とを連接してなり、内部空間に挿入された状態で第３内部空間の内周壁部に当接するテーパー部端面を有する点灯回路基板と、を備えるようにしたものである。 Lighting lamp according to the present invention connected to the first internal space having a first inner diameter, and a second internal space having a first inner diameter smaller than the first inner diameter and a first inner space and the second internal space Tei Ru and the conical third internal space, a cylindrical casing portion which forms an inner space communicating with, the lighting circuit for lighting the light source is arranged wider wider portion than the second inner diameter smaller than the first inner diameter And a lighting circuit board having a tapered end face that is connected to the end face and the narrow end face that is narrower than the second inner diameter and is in contact with the inner peripheral wall portion of the third inner space in a state of being inserted into the inner space. It is a thing.

Claims

A first internal space having a first inner diameter, said first diameter smaller than the second internal space having a second inner diameter, said first internal space and the second internal space and conical third you are concatenated A cylindrical housing that forms an internal space in communication with the internal space;
A lighting circuit for lighting the light source is arranged,
An inner peripheral wall of the third inner space in a state in which a wide end face that is narrower than the first inner diameter and wider than the second inner diameter is connected to a narrow end face that is narrower than the second inner diameter. A lighting circuit board having a tapered end face that abuts the part;
Lighting lamp with.

Lighting lamp according to claim 1, wherein the tapered end surface connecting portion of the wide end face, characterized that you have to contact with the inner peripheral wall of the third internal space.

The tapered end surface is illuminated according to the any of claims 1 or 2 and the second internal space has come into contact with the peripheral wall portion in a connecting portion of the third internal space, characterized in Rukoto lamp.

Claim 1, wherein the lighting circuit substrate in a state of being inserted into the internal space has an insertion angle, all of the lighting circuit including the lighting circuit board is characterized in that that is accommodated in the inner space The illumination lamp according to any one of Items 3 to 3.

The housing portion is
Light source is disposed at one end having a first internal diameter,
Ru Tei is disposed is mouthpiece at the other end having a second inner diameter,
The illumination lamp according to any one of claims 1 to 4 , wherein

The lighting circuit is
Commercial power supplied via the mouthpiece, illumination according to claims 1 to 5 any one is converted to drive power Ru by driving the light source, characterized that you have supplied to the light source lamp.

The housing portion is
Wherein the inner circumferential wall of the interior space, the illumination lamp according to any one of claims 1 to 6, wherein Tei Rukoto includes a lighting circuit holding portion to abut one surface of the lighting circuit board.

The lighting circuit holding unit is
Wherein the inner circumferential wall of the first internal space, illumination lamp according to any one of claims 7, characterized in that extending in the insertion direction of the lighting circuit board.

The lighting circuit holding unit is
Lighting lamp according to any one of claims 7 or 8, characterized in that also serves as a fastening mechanism for fastening the said to the casing light sources.

The internal space is
In a state where the lighting circuit is inserted, in any one of claims 1 to 9, characterized in that it has a gap between the inner peripheral wall of the said tapered end surface third internal space The described illumination lamp.

The internal space is
The heat conductive resin is filled in the gap between the inner peripheral wall part of the internal space and the inner wall part of the base and the lighting circuit board so as to cover the lighting circuit board. The illumination lamp according to any one of 1 to 10.

The illuminating device provided with the illumination lamp as described in any one of Claims 1 thru | or 11 .