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Light irradiating device

A light irradiation device and illuminant technology, applied in lighting devices, components of lighting devices, damage prevention measures of lighting devices, etc., can solve the problem of insufficient heat conduction, difficulty in connecting printed circuit boards to heat sinks or heat sinks, etc. problem, to achieve the effect of good directivity and reduce optical loss

Inactive Publication Date: 2012-07-11
CCS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, it is surprisingly difficult to connect the LED chip or the printed circuit board on which the LED chip is mounted and the heat sink or heat sink in a state of sufficient heat conduction. Mere contact creates gaps and becomes point contact, which cannot conduct heat sufficiently.

Method used

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Examples

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Embodiment Construction

[0058] Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

[0059] The light irradiation device 100 of this embodiment is a linear light irradiation device used for indoor and outdoor general lighting, detection lighting, or plant cultivation lighting. Figure 1 ~ Figure 4 As shown, it includes: cutting the cylindrical body longitudinally along its extension direction (synonymous with the axial direction, hereinafter sometimes referred to as the axial direction) to form a roughly cuboid body 1; installed on both ends of the body 1 The base member 8; the substrate 2 housed inside the body 1; the chip-type LED 3 mounted on the substrate 2 as a luminous body; and the cover 4 mounted on the opening 1a of the body 1 as a light-transmitting member.

[0060] Describe each part in detail.

[0061] The body 1 is partly cylindrical, and is formed by a metal body part 11 such as a metal body part 11 formed in a straight line with a bot...

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PUM

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Abstract

In order to facilitate effective heat radiation, ease of assembly, and a more compact design, on the part of a luminous body, a linear light irradiating device (100) is configured to have a luminous body mounting substrate (2) housed in an elastic-deformation bent state within a groove-shaped housing space (1b) of a body (1), and is further configured such that either the back of the luminous body mounted section of the substrate (2), or the vicinity thereof, presses tightly by the elastic recoil of the substrate (2), to a front tip face (6a) of a thermoconductive intervening body (6) that protrudes from an inner circumference face (1d) of the housing (1b).

Description

technical field [0001] The present invention relates to a light irradiation device for a line sensor or a line light irradiation device for indoor and outdoor general lighting for the purpose of detection and the like. Background technique [0002] A conventional linear light irradiation device can be found in Patent Document 1. The linear light irradiation device has LED chips arranged in a row and a reflective plate arranged around them, and the reflective plate can improve the directivity of light emitted by the LED chips. [0003] In addition, with the recent increase in the output of LEDs, it is very important to deal with the heat emitted by LED chips to improve their service life. In this regard, Patent Document 1 discloses that the LED chip is connected to a heat sink or a housing through a heat sink to achieve the purpose of heat dissipation of the LED chip. [0004] However, it is surprisingly difficult to connect the LED chip or the printed circuit board on whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V19/00F21S2/00F21V29/00F21Y101/02
CPCF21V15/013F21V29/2262F21V29/225F21V17/16F21K9/00F21V19/004F21V29/2237F21Y2103/003F21K9/17F21Y2101/02F21V7/005F21V29/004F21V29/507F21V29/75F21V29/763F21V29/777F21K9/27F21Y2103/10F21Y2115/10F21V3/06F21V29/83F21S4/00
Inventor 米田贤治
Owner CCS INC