JP5000511B2 - 改良型led懐中電灯 - Google Patents
改良型led懐中電灯 Download PDFInfo
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- JP5000511B2 JP5000511B2 JP2007527879A JP2007527879A JP5000511B2 JP 5000511 B2 JP5000511 B2 JP 5000511B2 JP 2007527879 A JP2007527879 A JP 2007527879A JP 2007527879 A JP2007527879 A JP 2007527879A JP 5000511 B2 JP5000511 B2 JP 5000511B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
- F21L4/022—Pocket lamps
- F21L4/027—Pocket lamps the light sources being a LED
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/04—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
-
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
- F21V13/045—Combinations of only two kinds of elements the elements being reflectors and refractors for portable lighting devices
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
- F21V14/045—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors in portable lighting devices
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
- F21V23/0428—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices the switch being part of, or disposed on the lamp head portion thereof
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
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- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/06—Optical design with parabolic curvature
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
-
- 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]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
12,212 筒体
14,211 光源
15 電流調整回路
16,225 電池
18 筒体の前方ネジ部
20,220 ヘッドアセンブリ
21 パルス発生器
22 後方ネジ部
23 電源スイッチ
24 縮径領域
25 感温抵抗器
26 前方テーパー部
27 後方テーパー部
28,228 端キャップ
30,230 端キャップアセンブリ
32 導電性バネ
34 外側ネジ領域
35 放射状隆起部
36 シール部材
38 端キャップ用接触材
39 リング部
40,240 スイッチアセンブリ
41 延在片
42,242 上方絶縁体
43 外側延在部
44,244 放熱ハウジング
46 第1接触片
48 第2接触片
50,250 サーキットアセンブリ
52,252 上方導電性バネ
54,254 電力源接触材
56,256 下方絶縁体
58 第1電極
59 第2電極
60,260 スイッチサブアセンブリ
62 サーキットボード
64 接触プラグ
66 第1接触片の可撓性傾斜面
67 第2接触片の可撓性傾斜面
68 第2接触片の連結部材
71 前面部
72 放熱プラグ
74 開口部
75 Oリング
76 放熱ハウジングの内側段部
78 放熱ハウジングの外側テーパー部
79 下方絶縁体のロック用タブ
81 電力源接触材のフランジ
82 スナップ式取付用前方溝
83 挿通孔
84 上方絶縁体のロック用タブ
85 カウンターボアの段部
87 スナップ式取付用後方溝
88 下方絶縁体の後面部
89 下方絶縁体の凹部
91 スナップ式取付用前方溝の段部
92 中央間隙部
93 スナップ式取付用後方溝の段部
94 放物線の焦点
96 上方絶縁体のテーパー部
98 スラグ片
102 フェイスキャップ
104,204 レンズ
106,206 反射器
108 スリーブ
112 スリーブのネジ部
114 反射器の第1端部
116 反射器の第2端部
118 輪郭面
122 反射器の支持部
202 ヘッド部
210 電力源アセンブリ
214 バネ材
216 可撓性タブ
217 ロック用溝
219 電力源アセンブリのハウジング
221 電力源アセンブリの前方接触部
223 電力源アセンブリの放射状接触部
227 筒体のテーパー部
229 電力源アセンブリのレセプタクル
Claims (26)
- 電力源と、
電気回路を介して該電力源に連結されるLED光源と、
該LED光源から発する光を反射し、開口第1端部と、第2端部と、該第1端部と該第2端部との間に延在する放物線状輪郭面とを備える反射器と、
前記LED光源の光が前記反射器で反射されるように前記反射器に対して前記LED光源を保持する保持部と、
該放物線状輪郭面の焦点が、前記放物線状輪郭面の外側に位置し、
前記保持部は、電気回路の一部を形成するとともに前記LED光源から熱を伝導させる中空の円柱状に構成された放熱ハウジングを備える、照明装置。 - 前記光源と前記反射器との相対的な位置が、移動可能である、請求項1に記載の照明装置。
- 前記開口第1端部が、前記第2端部より大きく構成され、
前記放物線状輪郭面の頂点から前記第2端部までの距離と前記放物線状輪郭面の頂点から焦点までの距離との比率が、1.5:1以上である、請求項1に記載の照明装置。 - 前記開口第1端部が、前記第2端部より大きく構成され、
前記放物線状輪郭面の頂点から前記第2端部までの距離と前記放物線状輪郭面の頂点から焦点までの距離との比率が、6.5:1以下である、請求項1に記載の照明装置。 - 前記開口第1端部が、前記第2端部より大きく構成され、
前記放物線状輪郭面の頂点から前記第2端部までの距離と前記放物線状輪郭面の頂点から焦点までの距離との比率が、3.0:1から3.4:1までである、請求項1に記載の照明装置。 - 前記開口第1端部が、前記第2端部より大きく構成され、
前記放物線状輪郭面の頂点から前記第2端部までの距離と前記放物線状輪郭面の頂点から焦点までの距離との比率が、3.2:1である、請求項1に記載の照明装置。 - 前記放物線状輪郭面が、前記反射器の軸線を基準にした放物線状輪郭面の半径を表すrと、前記放物線状輪郭面の放物線の焦点から頂点までの距離を表し、0.035インチとしたfと、前記反射器の軸線上における距離を表すzとで構成された方程式r2=4fzからなる放物線形で構成される、請求項1に記載の照明装置。
- 前記LED光源が、実質的に180°以下の角度で光を拡散する、請求項1に記載の照明装置。
- 主ハウジングに連結されるヘッドアセンブリをさらに備え、
前記反射器が、前記ヘッドアセンブリに連結され、
前記主ハウジングが、前記電力源を収容し、
前記主ハウジングに対して前記ヘッドアセンブリを回転することで、前記電力源と前記光源との間の電気回路が開閉する、請求項1に記載の照明装置。 - 主ハウジングをさらに備え、
前記放熱ハウジングが、前記光源を保持し、前記LED光源を前記主ハウジングに熱伝導可能に連結する、請求項1に記載の照明装置。 - 前記放熱ハウジングが、前記LED光源を前記主ハウジングに電気的に連結する、請求項10に記載の照明装置。
- 前記電気回路の一部を形成する主ハウジングをさらに備え、
前記保持部は、前記LED光源から前記主ハウジングに熱を伝導させる、請求項1に記載の照明装置。 - 前記保持部は、前記LED光源と前記主ハウジングとの間に電気回路の一部を形成する、請求項12に記載の照明装置。
- 熱調整信号を前記LED光源に伝達する回路をさらに備える、請求項1に記載の照明装置。
- 端キャップと、主ハウジングと、電力源アセンブリとをさらに備え
前記端キャップが、前記主ハウジングに取り付けられ、
前記主ハウジングが、前記電力源アセンブリを保持し、
前記電力源アセンブリが、前記電力源を保持し、前記電力源を前記主ハウジングに電気的に連結して、前記端キャップを介することなく導電する、請求項1に記載の照明装置。 - 携帯型電力源と、
180°以下の球面角度で略放射状に光を照射し、前記携帯型電力源に連結されるLEDランプと、
該LEDランプで照射した光を反射して高輝質のビーム光を作り出し、開口第1端部と、開口第2端部と、前記2つの端部の間を延在する軸部とを備える放物線状反射器と、
前記LEDランプの光が前記反射器で反射されるように前記反射器に対して前記LEDランプを保持する保持部と
を備え、
前記放物線状反射器の焦点が、前記開口第1端部と前記開口第2端部との間に位置せず、
前記焦点の長さが、0.020インチから0.050インチまでであり、
前記開口第1端部の直径が、前記開口第2端部の直径より大きく、
前記開口第1端部が、0.70インチから0.80インチまでの直径で構成され、
前記保持部は、電気回路の一部を形成するとともに前記LEDランプから熱を伝導させる中空の円柱状に構成された放熱ハウジングを備える、懐中電灯。 - 前記放物線状反射器が、放物線形の主軸に対して平行な方向に移動可能である、請求項16に記載の懐中電灯。
- 携帯型電力源と、
該携帯型電力源に連結され、LEDとレンズとを備える光源と、
該光源から照射した光を反射して高輝質のビーム光を作り出す移動可能な放物線状反射器と、
前記光源の光が移動可能な前記反射器で反射されるように前記反射器に対して前記光源を保持する保持部と
を備え、
前記レンズが、前記LEDの位置に対して180°以下の角度で前記光源から光を実質的に照射するように、LED上に配置され、
前記放物線状反射器が、開口第1端部と、開口第2端部と、該開口第1端部と該開口第2端部との間を延在する放物線状輪郭面とを備え、
放物線形の焦点が、該放物線状輪郭面の外側に位置し、
前記放物線形の焦点の長さが、0.020インチから0.050インチまでであり、
前記開口第1端部の直径が、前記開口第2端部の直径より大きく、
前記放物線状輪郭面の頂点から前記開口第2端部までの距離と前記放物線状輪郭面の頂点から焦点までの距離との比率が、3:1以上であり、
前記保持部は、電気回路の一部を形成するとともに前記光源から熱を伝導させる中空の円柱状に構成された放熱ハウジングを備える、懐中電灯。 - 移動可能な前記放物線状反射器が、放物線形の主軸に対して平行な方向に移動可能である、請求項18に記載の懐中電灯。
- 電力源と、
電気回路を介して該電力源に連結されるLED光源と、
該LED光源から照射した光を反射し、開口第1端部と、開口第2端部と、該開口第1端部と該開口第2端部との間を延在する放物線状輪郭面とを備える反射器と、
前記LED光源の光が前記反射器で反射されるように前記反射器に対して前記LED光源を保持する保持部と、
サーキットアセンブリとを備え、
前記開口第1端部が、ビーム光を放つように構成され、
前記放物線状輪郭面の焦点が、前記開口第1端部と前記開口第2端部との間に位置せず、
前記保持部は、電気回路の一部を形成するとともに前記LED光源から熱を伝導させる中空の円柱状に構成された放熱ハウジングを備え、
前記サーキットアセンブリは、前記放熱ハウジングの中空の円柱内に配置され、前記LED光源に流れる電気を制御する、懐中電灯。 - 前記サーキットアセンブリは、サーキットボードを備える、請求項20に記載の懐中電灯。
- 前記サーキットアセンブリは、前記LED光源より熱が発生した場合に熱調整信号を前記LED光源に伝達する、請求項21に記載の懐中電灯。
- 前記電力源を収容する主ハウジングをさらに備え、
前記保持部は、前記LED光源から前記主ハウジングに熱を伝導させる、請求項20に記載の懐中電灯。 - 前記保持部は、懐中電灯の点灯時に前記主ハウジングを介して電気的に連結する、請求項23に記載の懐中電灯。
- 前記LED光源より生じた熱を検知する感温抵抗器を備えた電流調整回路を備える、請求項24に記載の懐中電灯。
- 前記感温抵抗器が、サーミスタで構成される、請求項25に記載の懐中電灯。
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| US10/922,714 US8733966B2 (en) | 2004-08-20 | 2004-08-20 | LED flashlight |
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| JP2008511101A JP2008511101A (ja) | 2008-04-10 |
| JP2008511101A5 JP2008511101A5 (ja) | 2008-09-25 |
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| EP (1) | EP1834128A2 (ja) |
| JP (1) | JP5000511B2 (ja) |
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| EA (4) | EA200801485A1 (ja) |
| MX (1) | MX2007001939A (ja) |
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| NO (1) | NO20071225L (ja) |
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2004
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2005
- 2005-07-07 MY MYPI20053112A patent/MY147901A/en unknown
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- 2005-08-10 CN CN2009101735625A patent/CN101676597B/zh not_active Expired - Fee Related
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