WO2014203435A1 - 照明ランプ、直管形照明ランプおよび照明器具 - Google Patents
照明ランプ、直管形照明ランプおよび照明器具 Download PDFInfo
- Publication number
- WO2014203435A1 WO2014203435A1 PCT/JP2014/000966 JP2014000966W WO2014203435A1 WO 2014203435 A1 WO2014203435 A1 WO 2014203435A1 JP 2014000966 W JP2014000966 W JP 2014000966W WO 2014203435 A1 WO2014203435 A1 WO 2014203435A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- illumination lamp
- substrate
- adhesive
- tube
- groove
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
- F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the present invention relates to an illumination lamp using a light emitting element such as an LED (Light Emitting Diode) and a straight tube illumination lamp and a lighting fixture provided with the illumination lamp or the straight tube illumination lamp.
- a light emitting element such as an LED (Light Emitting Diode)
- LED Light Emitting Diode
- Conventional illumination lamps include a long straight tube, a substrate on which an LED is mounted, and a heat sink that is provided in the straight tube and dissipates heat generated by the LED.
- the surface of the heat sink is a flat surface, and a substrate is placed on the surface. And a board
- the adhesive spreads from the lower part of the substrate toward the outside when the substrate and the heat sink are bonded. For this reason, when using the heat sink in which the wall part was formed, the adhesive which pushed and spread may go around to the surface side of a board
- the present invention has been made to solve the above-described problems.
- the adhesive is on the substrate surface side. The purpose is to prevent wraparound.
- An illumination lamp includes a substrate on which a light emitting element is mounted, a wall portion, a heat dissipation member having a mounting surface on which the substrate is placed, and a substrate and the heat dissipation member.
- An adhesive that adheres on the mounting surface is provided, and the heat radiating member is formed with a groove for releasing the spread adhesive.
- the straight tube illumination lamp of the present invention is a straight tube tube, a substrate provided in the tube, on which a light emitting element is mounted, and a wall portion is formed along the tube axis direction of the tube tube, A heat dissipating member having a mounting surface on which the substrate is mounted and an adhesive for bonding the substrate and the heat dissipating member on the mounting surface are provided between the pair of wall portions. A groove for releasing the agent is formed.
- the adhesive wraps around the surface side of the substrate when the substrate and the heat radiating member are bonded. Can be prevented.
- FIG. 3 is a perspective view showing the illumination lamp of the first embodiment.
- FIG. 3 is a partial top view of the illumination lamp according to Embodiment 1 with a tube tube removed.
- FIG. 3 is a cross-sectional view showing the illumination lamp of the first embodiment. It is sectional drawing which shows the illumination lamp of a comparative example. It is a side view which shows the illumination lamp of Embodiment 2.
- FIG. FIG. 6 is a top view of the illumination lamp according to Embodiment 2 with a translucent cover removed. It is sectional drawing which shows the illumination lamp of Embodiment 2.
- FIG. 3 is a perspective view showing the illumination lamp of the first embodiment.
- FIG. 3 is a partial top view of the illumination lamp according to Embodiment 1 with a tube tube removed.
- FIG. 3 is a cross-sectional view showing the illumination lamp of the first embodiment. It is sectional drawing which shows the illumination lamp of a comparative example. It is a side view which shows the illumination lamp of Embodiment 2.
- FIG. 1 to 3 show the configuration of the illumination lamp of the first embodiment, in which FIG. 1 is a perspective view, FIG. 2 is a partial top view of the illumination lamp with a tube tube removed, and FIG. 3 is a cross-sectional view. .
- the same reference numerals indicate the same or corresponding configurations.
- the illumination lamp 1 of the first embodiment is a straight tube type illumination lamp and includes a straight tubular tube 2.
- the shape of the tube 2 may be a straight tube, and may be a cylindrical shape or a shape like a square tube.
- the material of the tube 2 can be glass or resin, and when it is resin, the resin material can be acrylic or polycarbonate, for example. Since the tube 2 is made of glass or resin, it transmits light emitted from the light emitting unit 10 described later.
- a pair of caps are provided at both ends of the tube 2.
- a base provided at one end of the tube 2 is a power supply base 20a for power supply, a power supply base case 21a that is a base case fitted so as to cover one end of the tube 2, and the power supply base. It is comprised from the two electric power feeding terminals 22a of the cross-section L character provided in the surface on the opposite side of the cylindrical tube 2 of the housing
- the two power supply terminals 22a are provided on the power supply base casing 21a so that the L-shaped bent portions face each other.
- the base provided at the other end of the tube 2 is an earth base 20b for grounding, and an earth base case 21b which is a base case fitted so as to cover the other end of the tube 2. And a ground terminal 22b provided on the surface opposite to the straight pipe 2 of the ground base case 21b.
- the power supply base 20a and the ground base 20b can be configured to be fixed to a heat sink 7 to be described later using screws.
- a light source unit 10 is disposed inside the tube 2.
- the light source unit 10 includes a plurality of substrates 12 extending in the tube axis direction of the tube 2.
- a plurality of LEDs 11 as light emitting elements are mounted on each substrate 12 in parallel with the tube axis direction of the tube 2.
- the light source unit 10 includes a connector 13 as a connection member.
- the connector 13 is provided on the surface 6 of the substrate 12, and the adjacent substrates 12 are electrically connected by the connector 13.
- the connector 13 is used as the connecting member, but the connecting member is not limited to the connector 13 and may be any member that electrically connects adjacent substrates 12 to each other.
- a heat sink 7 extending in the tube axis direction of the tube 2 is provided inside the tube 2 as a heat radiating member for radiating heat generated from the light source unit 10.
- the surface of the heat sink 7 that is in contact with the cylindrical tube 2 has an arc shape along the inner wall of the cylindrical tube 2, and the heat sink 7 and the cylindrical tube 2 are bonded using an adhesive or an adhesive tape not shown here.
- the surface of the heat sink 7 that contacts the tube 2 is formed in an arc shape, but the shape of the surface is not limited to this.
- the heat sink and the tube may be fixed using a fitting structure.
- the heat sink 7 is integrally formed with a pair of wall portions 8 extending along the tube axis direction of the tube 2.
- the pair of wall portions 8 can prevent shadows of the connector 13 and the like caused by light irradiation of the LED 11.
- the height of the wall portion 8 is appropriately determined depending on the angle from which it is desired to prevent the shadow caused by the light irradiation of the LED 11.
- the mounting surface 4 has a flat surface, and the substrate 12 and the heat sink 7 are bonded to each other by an adhesive 9 on the mounting surface 4.
- the adhesive 9 is for assisting heat conduction from the substrate 12 to the heat sink 7, and is made of, for example, a heat conductive resin material.
- the substrate 12 and the heat sink 7 are bonded only by the adhesive 9, but may be bonded by the adhesive 9 and fixed by a fixing member such as a screw.
- a groove portion 3 is formed for releasing the adhesive 9 that spreads outward from the lower portion of the substrate 12 when the substrate 12 and the heat sink 7 are bonded.
- This groove part 3 is formed in the both ends of the mounting surface 4 so that it may extend along the pipe-axis direction of the cylinder pipe 2, and the cross-sectional shape is a substantially rectangular shape. Inside the groove 3, there is an adhesive 9 that spreads from the immediate lower part of the substrate 12 toward the outside when the substrate 12 and the heat sink 7 are bonded.
- FIG. 4 is a sectional view showing an illumination lamp of a comparative example.
- the illumination lamp 1 of Embodiment 1 has the groove 3 on the mounting surface 4 of the heat sink 7, whereas the illumination lamp of the comparative example does not have the groove 3. Since the configuration of the illumination lamp of the comparative example is the same as that of the illumination lamp 1 of the first embodiment except for the above, the description thereof is omitted.
- the adhesive 9 when the substrate 12 and the heat sink 7 are bonded to each other with the adhesive 9, the adhesive 9 is pushed and spread from the lower part of the substrate 12 to the outside. For this reason, the adhesive 9 spread and spreads around the wall surface 5 of the wall portion 8 and wraps around to the surface 6 of the substrate 12. As a result, the adhesive 9 that wraps around the surface 6 of the substrate 12 may adversely affect the light distribution characteristics, may be scattered as foreign matter, or may adhere to the LED 11 and cause a malfunction.
- the illumination lamp 1 of Embodiment 1 shown in FIG. 3 since the groove part 3 extended along the tube-axis direction of the cylinder tube 2 is formed in the both ends of the mounting surface 4, the board
- the groove portion 3 for releasing the adhesive 9 pushed and spread on the heat sink 7 is formed. Therefore, when the substrate 12 and the heat sink 7 are bonded, the adhesive 9 is applied to the substrate. It is possible to prevent wrapping around the surface 6 of 12.
- the groove portions 3 are formed at both ends of the mounting surface 4 along the tube axis direction of the cylindrical tube 2, the spread adhesive 9 can be surely released to the groove portions 3.
- variety, a formation position, and the number to form it can determine suitably according to a product specification.
- the formation position of the groove part 3 is not limited to the placement surface 4, and the same effect as in the first embodiment can be obtained also as the lower part of the wall surface 5.
- the present invention is not limited to this.
- an effect similar to that of the first embodiment can be obtained as an illumination lamp in which a light-transmitting cover is attached to a heat radiating member so as to cover the light source unit.
- FIG. 5 to 7 show the illumination lamp according to the second embodiment, in which FIG. 5 is a side view, FIG. 6 is a top view excluding the translucent cover, and FIG. 7 is a cross-sectional view.
- the illumination lamp 1a includes a translucent cover 2a, a heat sink 7a, and a base 23 for power feeding.
- a translucent cover 2a an example is shown in which only the heat sink 7a constitutes the housing, but as another member, for example, an insulating resin member may be disposed inside the heat sink 7a.
- the material of the translucent cover 2a can be made of glass or resin.
- the resin material can be, for example, acrylic or polycarbonate, and light emitted from the light emitting unit 10a described later. Transparent.
- the illumination lamp 1a includes a light source unit 10a.
- the light source unit 10a includes a disk-shaped substrate 12a and a plurality of LEDs 11 as light emitting elements mounted so as to be arranged in the circumferential direction of the substrate 12a.
- the illumination lamp 1 a includes a lighting circuit having a lighting circuit board 24 and an electronic component 25 mounted on the lighting circuit board 24. The electric power generated by this lighting circuit is supplied to the light source unit 10a described above.
- the lighting circuit is held inside the heat sink 7a by a holding portion (not shown).
- a wall 8a is formed on the heat sink 7a so as to surround the disc-shaped substrate 12a.
- a mounting surface 4a on which the substrate 12a is mounted is formed between the wall portions 8a of the heat sink 7a.
- the mounting surface 4a has a flat surface, and the substrate 12a and the heat sink 7a are bonded to each other by the adhesive 9 on the mounting surface 4a.
- the adhesive 9 is the same as that in the first embodiment, and a description thereof will be omitted.
- the substrate 12a and the heat sink 7a are bonded only by the adhesive 9, but may be bonded by the adhesive 9 and fixed by a fixing member such as a screw.
- a groove 3a for releasing the adhesive 9 that has spread outward from the bottom of the substrate 12a when the substrate 12a and the heat sink 7a are bonded.
- the groove 3a is formed at the end of the mounting surface 4a along the wall 8a, and its cross-sectional shape is substantially rectangular. Inside the groove 3a, there is an adhesive 9 that spreads from the lower portion of the substrate 12a to the outside when the substrate 12a and the heat sink 7a are bonded.
- the groove 3a is formed at the end of the mounting surface 4a along the wall 8a. Therefore, when the substrate 12a and the heat sink 7a are bonded by the adhesive 9, The adhesive 9 that has spread and pushed outward from directly below the substrate 12a enters the groove 3a. For this reason, it is possible to prevent the adhesive 9 that has spread out from traveling around the wall surface 5a of the wall portion 8a to the surface 6a of the substrate 12a.
- the groove portion 3a for releasing the adhesive 9 that has spread on the heat sink 7a is formed. Therefore, when the substrate 12a and the heat sink 7a are bonded, the adhesive 9 is applied to the substrate. It can prevent going around the surface 6a of 12a.
- the adhesive 9 that has spread out can be surely released to the groove 3a.
- variety a formation position, and the number to form, it can determine suitably according to product specifications.
- the formation position of the groove part 3a is not restricted to the mounting surface 4a, The same effect can be acquired also as the lower part of the wall surface 5a.
- Embodiment 3 the lighting fixture provided with the illumination lamp 1 of Embodiment 1 or the illumination lamp 1a of Embodiment 2 is demonstrated.
- the illumination lamp 1 or the illumination lamp 1a can be installed on the ceiling and used as an illumination fixture for the ceiling, or can be installed on a wall surface and used as an illumination fixture.
- the lighting fixture provided with the lighting lamp 1 or the lighting lamp 1a is not limited to these uses, It can also be set as another lighting fixture.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
図1ないし3は、実施の形態1の照明ランプの構成を示すものであって、図1は斜視図、図2は照明ランプから筒管を除いた部分上面図、図3は断面図である。なお、以下の各図において、同一符号は同一または相当の構成を示す。
図5ないし7は、実施の形態2の照明ランプを示すものであって、図5は側面図、図6は透光カバーを除いた上面図、図7は断面図である。
次に、実施の形態1の照明ランプ1または実施の形態2の照明ランプ1aを備えた照明器具について説明する。照明ランプ1または照明ランプ1aは、天井に設置して天井用の照明器具として使用したり、壁面に設置して照明器具として使用したりすることができる。なお、照明ランプ1または照明ランプ1aを備えた照明器具は、これらの用途に限定されず、他の照明器具とすることもできる。
2 筒管
2a 透光カバー
3、3a 溝部
4、4a 載置面
5、5a 壁面
6、6a 表面
7、7a ヒートシンク
8、8a 壁部
9 接着剤
10、10a 光源部
11 LED
12、12a 基板
13 コネクタ
20a 給電口金
20b アース口金
21a 給電口金筐体
21b アース口金筐体
22a 給電端子
22b アース端子
23 口金
24 点灯回路基板
25 電子部品
Claims (10)
- 発光素子が実装された基板と、
壁部が形成され、当該壁部の間に、前記基板が載置される載置面を有する放熱部材と、
前記基板と前記放熱部材とを前記載置面において接着する接着剤とを備え、
前記放熱部材には、押し広がった前記接着剤を逃がすための溝部が形成されている照明ランプ。 - 前記溝部は、前記壁部に沿って形成されていることを特徴とする請求項1に記載の照明ランプ。
- 前記溝部は、前記載置面に形成されていることを特徴とする請求項2に記載の照明ランプ。
- 前記溝部は、前記載置面の端に形成されていることを特徴とする請求項3に記載の照明ランプ。
- 請求項1ないし4のいずれか一項に記載の照明ランプを備えた照明器具。
- 直管状の筒管と、
前記筒管内に設けられ、発光素子が実装された基板と、
前記筒管の管軸方向に沿うように一対の壁部が形成され、当該一対の壁部の間に、前記基板が載置される載置面を有する放熱部材と、
前記基板と前記放熱部材とを前記載置面において接着する接着剤とを備え、
前記放熱部材には、押し広がった前記接着剤を逃がすための溝部が形成されている直管形照明ランプ。 - 前記溝部は、前記筒管の管軸方向に沿って形成されていることを特徴とする請求項6に記載の直管形照明ランプ。
- 前記溝部は、前記載置面に形成されていることを特徴とする請求項7に記載の直管形照明ランプ。
- 前記溝部は、前記載置面の両端に形成されていることを特徴とする請求項8に記載の直管形照明ランプ。
- 請求項6ないし9のいずれか一項に記載の直管形照明ランプを備えた照明器具。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201490000118.8U CN204285364U (zh) | 2013-06-19 | 2014-02-25 | 照明灯、直管形照明灯以及照明器具 |
JP2015522478A JP5956685B2 (ja) | 2013-06-19 | 2014-02-25 | 照明ランプ、直管形照明ランプおよび照明器具 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013128489 | 2013-06-19 | ||
JP2013-128489 | 2013-06-19 |
Publications (1)
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WO2014203435A1 true WO2014203435A1 (ja) | 2014-12-24 |
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PCT/JP2014/000966 WO2014203435A1 (ja) | 2013-06-19 | 2014-02-25 | 照明ランプ、直管形照明ランプおよび照明器具 |
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JP (2) | JP5956685B2 (ja) |
CN (2) | CN204879505U (ja) |
MY (1) | MY180622A (ja) |
WO (1) | WO2014203435A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016207622A (ja) * | 2015-04-28 | 2016-12-08 | 三菱電機株式会社 | 光源ユニット及び照明装置 |
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JP7398882B2 (ja) * | 2019-05-09 | 2023-12-15 | 三菱電機株式会社 | 光源ユニット、灯具及び照明装置 |
Citations (5)
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JP2004119568A (ja) * | 2002-09-25 | 2004-04-15 | Kyocera Corp | セラミック回路基板 |
JP2012069303A (ja) * | 2010-09-21 | 2012-04-05 | Panasonic Corp | ランプ及び照明装置 |
JP2012190783A (ja) * | 2011-02-25 | 2012-10-04 | Kyocera Corp | 照明装置 |
JP2012195317A (ja) * | 2012-07-19 | 2012-10-11 | Panasonic Corp | ランプ及び照明装置 |
JP2012253027A (ja) * | 2012-07-19 | 2012-12-20 | Panasonic Corp | ランプ及び照明装置 |
Family Cites Families (3)
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JP4762349B2 (ja) * | 2010-01-14 | 2011-08-31 | シャープ株式会社 | 照明装置 |
JP2011204444A (ja) * | 2010-03-25 | 2011-10-13 | Toshiba Lighting & Technology Corp | 発光装置および照明器具 |
JP5842145B2 (ja) * | 2010-11-17 | 2016-01-13 | パナソニックIpマネジメント株式会社 | 構造体および構造体を備える照明装置 |
-
2014
- 2014-02-25 JP JP2015522478A patent/JP5956685B2/ja active Active
- 2014-02-25 WO PCT/JP2014/000966 patent/WO2014203435A1/ja active Application Filing
- 2014-02-25 CN CN201520184103.8U patent/CN204879505U/zh not_active Expired - Fee Related
- 2014-02-25 CN CN201490000118.8U patent/CN204285364U/zh not_active Expired - Fee Related
- 2014-02-25 MY MYPI2015704567A patent/MY180622A/en unknown
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2016
- 2016-06-16 JP JP2016119641A patent/JP6184559B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004119568A (ja) * | 2002-09-25 | 2004-04-15 | Kyocera Corp | セラミック回路基板 |
JP2012069303A (ja) * | 2010-09-21 | 2012-04-05 | Panasonic Corp | ランプ及び照明装置 |
JP2012190783A (ja) * | 2011-02-25 | 2012-10-04 | Kyocera Corp | 照明装置 |
JP2012195317A (ja) * | 2012-07-19 | 2012-10-11 | Panasonic Corp | ランプ及び照明装置 |
JP2012253027A (ja) * | 2012-07-19 | 2012-12-20 | Panasonic Corp | ランプ及び照明装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016207622A (ja) * | 2015-04-28 | 2016-12-08 | 三菱電機株式会社 | 光源ユニット及び照明装置 |
Also Published As
Publication number | Publication date |
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JP2016181519A (ja) | 2016-10-13 |
CN204285364U (zh) | 2015-04-22 |
JP5956685B2 (ja) | 2016-07-27 |
JPWO2014203435A1 (ja) | 2017-02-23 |
JP6184559B2 (ja) | 2017-08-23 |
MY180622A (en) | 2020-12-03 |
CN204879505U (zh) | 2015-12-16 |
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