JP2017168821A5 - - Google Patents

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JP2017168821A5
JP2017168821A5 JP2017016665A JP2017016665A JP2017168821A5 JP 2017168821 A5 JP2017168821 A5 JP 2017168821A5 JP 2017016665 A JP2017016665 A JP 2017016665A JP 2017016665 A JP2017016665 A JP 2017016665A JP 2017168821 A5 JP2017168821 A5 JP 2017168821A5
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laser light
light emitting
emitting device
heat
holding member
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JP2017016665A
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JP6922236B2 (en
JP2017168821A (en
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本開示のレーザ発光装置は、レーザ光を出射するレーザ光源部と、前記レーザ光源部から出射されるレーザ光を所定の位置に集光する集光レンズと、前記集光レンズを保持する保持部材と、前記レーザ光源部を冷却する冷却装置と、を備え、前記保持部材は、前記集光レンズよりも高い熱伝導率を有し、前記集光レンズに面接触する部分および前記冷却装置に面接触する部分を有することを特徴とする。
Laser light emitting device of the present disclosure, holds a laser light source unit for emitting a laser beam, a condenser lens for condensing the laser beam emitted from the laser light source section to a predetermined position, the front Symbol condensing lens-holding A member, and a cooling device for cooling the laser light source unit, wherein the holding member has a higher thermal conductivity than the condenser lens, and a part in surface contact with the condenser lens and the cooling device. It is characterized by having a surface contact portion .

Claims (15)

レーザ光を出射するレーザ光源部と、
前記レーザ光源部から出射されるレーザ光を所定の位置に集光する集光レンズと、
前記集光レンズを保持する保持部材と、
前記レーザ光源部を冷却する冷却装置と、を備え、
前記保持部材は、前記集光レンズよりも高い熱伝導率を有し、前記集光レンズに面接触する部分および前記冷却装置に面接触する部分を有することを特徴とするレーザ発光装置。 A laser light source unit for emitting laser light,
A condenser lens for condensing laser light emitted from the laser light source unit at a predetermined position,
A support member for supporting a front Symbol focusing lens,
And a cooling device for cooling the laser light source unit,
The laser light emitting device according to claim 1, wherein the holding member has a higher thermal conductivity than the condenser lens, and has a portion that makes surface contact with the condenser lens and a part that makes surface contact with the cooling device. 前記冷却装置は、放熱量が調節できる放熱機能部と、前記レーザ光源部と前記集光レンズと前記保持部材とを有するレーザ出力機構の温度を検出する少なくとも１つの温度検出部と、有し、
前記放熱機能部は、前記温度検出部が検出した温度に応じて放熱量が調節されることを特徴とする請求項１に記載のレーザ発光装置。 The cooling device has a heat radiation function unit capable of adjusting a heat radiation amount, at least one temperature detection unit that detects a temperature of a laser output mechanism having the laser light source unit, the condenser lens, and the holding member,
The laser light emitting device according to claim 1, wherein the heat radiation function unit adjusts a heat radiation amount according to a temperature detected by the temperature detection unit. 前記放熱機能部は、熱電素子を有し、前記温度検出部が検出した温度に応じて前記熱電素子の冷却面の温度が調節されることを特徴とする請求項２に記載のレーザ発光装置。   3. The laser light emitting device according to claim 2, wherein the heat radiation function unit includes a thermoelectric element, and a temperature of a cooling surface of the thermoelectric element is adjusted according to a temperature detected by the temperature detection unit. 4. 前記放熱機能部は、送風機構を有し、前記温度検出部が検出した温度に応じて前記送風機構の風量が調節されることを特徴とする請求項２に記載のレーザ発光装置。   3. The laser light emitting device according to claim 2, wherein the heat radiating function unit has a blowing mechanism, and a flow rate of the blowing mechanism is adjusted according to a temperature detected by the temperature detecting unit. 4. 前記放熱機能部は、冷媒を通す冷媒通路を有し、前記温度検出部が検出した温度に応じて前記冷媒の温度または流量が調節されることを特徴とする請求項２に記載のレーザ発光装置。   3. The laser light emitting device according to claim 2, wherein the heat radiation function unit has a refrigerant passage through which the refrigerant passes, and a temperature or a flow rate of the refrigerant is adjusted according to a temperature detected by the temperature detection unit. 4. . 前記集光レンズは、平凸レンズであり、平面が前記保持部材に面接触されることを特徴とする請求項１から請求項５のいずれか１項に記載のレーザ発光装置。   The laser light emitting device according to any one of claims 1 to 5, wherein the condenser lens is a plano-convex lens, and a plane is in surface contact with the holding member. 前記保持部材では、前記集光レンズを受け入れるレンズ保持穴が設けられ、
前記集光レンズは、前記レンズ保持穴の内側面に面接触する外側面を有し、
前記内側面は、前記外側面よりも大きいことを特徴とする請求項１から請求項６のいずれか１項に記載のレーザ発光装置。 In the holding member, a lens holding hole for receiving the condenser lens is provided,
The condenser lens has an outer surface that is in surface contact with an inner surface of the lens holding hole,
The laser light emitting device according to any one of claims 1 to 6, wherein the inner side surface is larger than the outer side surface. 前記保持部材では、前記集光レンズおよび前記冷却装置と面接触する箇所に伝熱促進部材を介在させることを特徴とする請求項１から請求項７のいずれか１項に記載のレーザ発光装置。   The laser light emitting device according to any one of claims 1 to 7, wherein the holding member has a heat transfer promoting member interposed at a portion that comes into surface contact with the condenser lens and the cooling device. 前記集光レンズでは、表面に反射防止処理膜が設けられていることを特徴とする請求項１から請求項８のいずれか１項に記載のレーザ発光装置。   The laser light emitting device according to any one of claims 1 to 8, wherein an antireflection treatment film is provided on a surface of the condenser lens. 請求項１から請求項９のいずれか１項に記載のレーザ発光装置であって、
さらに、前記保持部材よりも低い熱伝導率を有し、前記保持部材の外方を取り囲む外装部材を備えることを特徴とするレーザ発光装置。 The laser light emitting device according to claim 1, wherein:
The laser light emitting device further includes an exterior member having a lower thermal conductivity than the holding member and surrounding the outside of the holding member. 前記外装部材は、前記保持部材に面接触された前記冷却装置の一部を露出させる冷却開口を有し、前記冷却開口が前記冷却装置における吸熱機能部に接触することを特徴とする請求項１０に記載のレーザ発光装置。   11. The cooling device according to claim 10, wherein the exterior member has a cooling opening that exposes a part of the cooling device that is in surface contact with the holding member, and the cooling opening contacts a heat absorbing function part of the cooling device. The laser light emitting device according to claim 1. 前記レーザ光源部は、複数の面発光型レーザが配列されたレーザアレイチップを有することを特徴とする請求項１から請求項１１のいずれか１項に記載のレーザ発光装置。   The laser light emitting device according to claim 1, wherein the laser light source unit includes a laser array chip on which a plurality of surface emitting lasers are arranged. 前記冷却装置は、吸熱部で吸収した熱を放熱部で放熱する放熱部材を有し、
前記保持部材は、前記吸熱部に面接触することを特徴とする請求項１から請求項１２のいずれか１項に記載のレーザ発光装置。 The cooling device has a heat radiating member that radiates heat absorbed by the heat absorbing portion at the heat radiating portion,
The laser light emitting device according to claim 1, wherein the holding member is in surface contact with the heat absorbing portion. 前記冷却装置は、吸熱部で吸収した熱を放熱部で放熱する放熱部材と、前記保持部材以上の熱伝導率を有し前記吸熱部に宛がわれかつ前記レーザ光源部が設けられる熱拡散部材と、を有し、
前記保持部材は、前記熱拡散部材に面接触することを特徴とする請求項１から請求項１３のいずれか１項に記載のレーザ発光装置。 The cooling device is a heat dissipating member that dissipates heat absorbed by the heat absorbing portion at the heat dissipating portion, and a heat diffusing member that has a thermal conductivity greater than that of the holding member, is addressed to the heat absorbing portion, and is provided with the laser light source portion. And having
14. The laser light emitting device according to claim 1, wherein the holding member is in surface contact with the heat diffusion member. 請求項１から請求項１４のいずれか１項に記載のレーザ発光装置と、
前記レーザ発光装置から出力されたレーザ光を用いて内燃機関を点火させる点火プラグと、を備えることを特徴とするエンジン点火プラグシステム。
A laser light emitting device according to any one of claims 1 to 14,
An ignition plug for igniting an internal combustion engine using the laser light output from the laser light emitting device.
JP2017016665A 2016-03-10 2017-02-01 Laser light emitting device, engine spark plug system Active JP6922236B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17160162.8A EP3217490A1 (en) 2016-03-10 2017-03-09 Laser-beam emitting device and engine spark plug system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016046872 2016-03-10
JP2016046872 2016-03-10

Publications (3)

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JP2017168821A JP2017168821A (en) 2017-09-21
JP2017168821A5 true JP2017168821A5 (en) 2020-01-16
JP6922236B2 JP6922236B2 (en) 2021-08-18

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Publication number Priority date Publication date Assignee Title
JP7372522B2 (en) * 2019-08-22 2023-11-01 日亜化学工業株式会社 light emitting device

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US4910741A (en) * 1988-06-06 1990-03-20 Massachusetts Institute Of Technology Laser diode source assembly
JP2001332806A (en) * 2000-03-16 2001-11-30 Konica Corp Laser exposer
JP2003098317A (en) * 2001-09-21 2003-04-03 Ricoh Co Ltd Microlens and optical coupling device
JP2004235567A (en) * 2003-01-31 2004-08-19 Fuji Photo Film Co Ltd Laser module
JP5534306B2 (en) * 2009-09-29 2014-06-25 カシオ計算機株式会社 Semiconductor light source device and projector
JP5473535B2 (en) * 2009-10-28 2014-04-16 三菱電機株式会社 Light source device
JP5942426B2 (en) * 2011-12-28 2016-06-29 日亜化学工業株式会社 Light source device
JP6245629B2 (en) * 2013-03-26 2017-12-13 大学共同利用機関法人自然科学研究機構 In-vehicle ignition system using semiconductor laser pumped solid-state laser device
JP2015065189A (en) * 2013-09-24 2015-04-09 ウシオ電機株式会社 Fiber laser light source device

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