COOLING STRUCTURE AND LIGHT SOURCE UNIT

• Main Authors: SAITO SEIJI, IWASAKI RYUICHI
• Format: Patent
• Language: English; Japanese
• Published: 06.06.2019
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; PRINTED CIRCUITS; SEMICONDUCTOR DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

To uniformly cool light sources arranged in a line with a simple configuration.SOLUTION: The cooling structure includes coolers 22, 23 constituting a cooler 21 (corresponding to a cooling structure). In the coolers 22, 23, a refrigerant flows along an X direction, which is a direction in which LEDs 32 are arranged in a line. A region 22H on a refrigerant upstream side of the cooler 22 and a region 23L on a refrigerant downstream side of the cooler 23 are thermally connected. A region 22L on a refrigerant downstream side of the cooler 22 and a region 23H on a refrigerant upstream side of the cooler 23 are thermally connected.SELECTED DRAWING: Figure 1 【課題】簡易な構成で、ライン状に配置される光源を均等に冷却する。【解決手段】冷却器２１（冷却構造体に相当）を構成する冷却器２２、２３を備え、これら冷却器２２、２３には、ライン状に配置されるＬＥＤ３２の並び方向であるＸ方向に沿って内部を冷媒が流れ、冷却器２２の冷媒上流側の領域２２Ｈと冷却器２３の冷媒下流側の領域２３Ｌとが熱的に連結され、冷却器２２の冷媒下流側の領域２２Ｌと冷却器２３の冷媒上流側の領域２３Ｈとが熱的に連結されている。【選択図】図１