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CN107676637A - 全向出光led灯 - Google Patents

全向出光led灯 Download PDF

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Publication number
CN107676637A
CN107676637A CN201610622159.6A CN201610622159A CN107676637A CN 107676637 A CN107676637 A CN 107676637A CN 201610622159 A CN201610622159 A CN 201610622159A CN 107676637 A CN107676637 A CN 107676637A
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China
Prior art keywords
light source
lamp cup
led
omnidirectional
radiating piece
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CN201610622159.6A
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Inventor
曹亮亮
黄晓娟
曾茂进
张连伟
傅明燕
林运南
林平秋
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Leedarson Lighting Co Ltd
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Leedarson Lighting Co Ltd
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Priority to CN201610622159.6A priority Critical patent/CN107676637A/zh
Priority to US15/435,290 priority patent/US10267460B2/en
Publication of CN107676637A publication Critical patent/CN107676637A/zh
Withdrawn legal-status Critical Current

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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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/237—Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases
    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/235—Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • 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
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
    • 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
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/061—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being glass
    • 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
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • 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]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

一种全向出光LED灯，包括透明或半透明的灯杯、灯罩、光源板及散热件。该灯杯为顶部开口的壳体结构，该灯罩连接在该灯杯的顶部，该光源板及该散热件均固定在灯杯及灯罩围成的空间内，该散热件的底部固定在该灯杯的底部，该光源板与该散热件的顶部热连接，该灯杯的中部及顶部的内径大于该散热件的外径，该光源板上设有LED光源，所述LED光源发出的光线分别朝向该灯罩及该灯杯照射。由于该灯杯是由透明或半透明材料制成，这样，就使得该LED灯的灯杯侧方及侧后方也有光线射出，达到了全向出光效果。

Description

全向出光LED灯
技术领域
本发明涉及照明领域，特别是一种全向出光LED灯。
背景技术
目前，因为LED具有光效高、体积小、无汞污染、使用寿命长等优点，在生活中已经得到普及，LED的成本大大降低，LED得到了越来越广泛的应用。在LED照明领域，LED的节能和长寿命优势得到了充分的体现，越来越多的传统灯具被LED灯所取代，市场上涌现的LED灯越来越多。
但是，LED是点光源，具有一定的方向性，其发光角度多为按一定的锥度向前，而不能像一些传统灯泡一样在各个方向都能发光。在LED灯具中一般需要配置散热器件，而常用的散热器件为诸如铝质等金属材料制成，散热器件往往会遮挡一定的光线，会对灯具的侧方及侧后方造成一定的暗角或亮度不足，达不到全向出光的效果。
发明内容
有鉴于此，有必要提供一种全向出光LED灯。
一种全向出光LED灯，包括透明或半透明的灯杯、灯罩、光源板及散热件，该灯杯为顶部开口的壳体结构，该灯罩连接在该灯杯的顶部，该光源板及该散热件均固定在灯杯及灯罩围成的空间内，该散热件的底部固定在该灯杯的底部，该光源板与该散热件的顶部热连接，该灯杯的中部及顶部的内径大于该散热件的外径，该光源板上设有LED光源，所述LED光源发出的光线分别朝向该灯罩及该灯杯照射。
进一步地，该灯罩的中部设有聚光透镜，该聚光透镜正对所述LED光源设置，该聚光透镜用于将所述LED光源发出大部分光线朝向所述LED光源的中轴线方向折射，该聚光透镜将所述LED光源发出的另一部分光线朝向该灯杯折射。
与现有技术相比，该LED灯通过将光源板设置在散热件上，将散热件固定在该灯杯的底部，并且使得该灯杯的中部及顶部的内径大于该散热件的外径，这样，该光源板发出的光线必然会同时照射到该灯杯及该灯罩上。由于该灯杯是由透明或半透明材料制成，这样，就使得该LED灯的灯杯侧方及侧后方也有光线射出，达到了全向出光效果。
附图说明
图1是第一实施例LED灯的立体分解图。
图2是图1的组装后的正视图。
图3是图2沿A-A线的剖视图。
图4是图2沿B-B线的剖视图。
附图标记说明：
10 灯罩 11 聚光透镜
20 螺钉 12 收纳腔
30 光源板 13 环扣条
40 驱动器 31 LED光源
50 散热件 51 凹槽
60 灯杯 52 限位槽
70 灯头 61 固定部
具体实施方式
下面结合附图与具体实施方式对本发明第一实施例的全向出光LED灯作进一步描述。
请参照图1，该全向出光LED灯100包括透明或半透明的灯杯60、灯罩10、光源板30、散热件50以及灯头70。该灯杯60为顶部开口的壳体结构，该灯罩10连接在该灯杯60的顶部，该光源板30及该散热件50均固定在灯杯60及灯罩10围成的空间内，该散热件50的底部固定在该灯杯60的底部的内侧，该光源板30与该散热件50的顶部热连接，该灯杯60的中部及顶部的内径大于该散热件50的外径，该灯杯60的底部的外侧还连接有灯头70。该光源板30上设有多颗LED光源31，所述LED光源31发出的光线分别朝向该灯罩10及该灯杯60照射。
请参照图1至图4，该散热件50由金属材料制成，该散热件50为中空结构，该散热件50的外侧壁间隔设置有竖状凹槽51。该散热件50的顶端面为平面，以便于与光源板30热连接。该散热件50的内侧壁还设有两条竖状的且连通该散热件50上、下端面的限位槽52，装配时，该驱动器40的两侧端套入该两个限位槽52内将该驱动器40限位固定在该散热件50的中空空间内。该驱动器40的一端与光源板30通过端子(图未示)电连接，该驱动器40的另一端通过端子(图未示)与灯头70电连接。可以理解地，该驱动器40也可以通过导线分别与光源板30以及灯头70电连接。
请参照图1至图4，该灯杯60为顶部开口的壳体结构，该灯杯60的顶部设有环槽(图未示)，该灯杯60的底部对应该散热件50的外壁设有固定部61，该固定部61的内侧壁对应该散热件50的外侧壁形状设置，该固定部61与该散热件50通过过盈配合设计，装配时，该散热件50插入该灯杯60的固定部61，该固定部61弹性地夹持该散热件50。因为该散热件50的外侧壁间隔设置有竖状的凹槽51，这样不仅可以增大散热件50与固定部61的接触面积有利于加快散热件50的热量向灯杯60传递，而且还可以限制该散热体装配在该固定部61后不会左右转动，使该散热件50可以稳固地固定在该灯杯60内。该灯杯60为透明或半透明，该灯杯60由塑料制成，优选地由散热塑料制成。可以理解地，该灯杯60也可以由其他透明或半透明的散热材料制成。
请参照图1及图3，该光源板30上设置有多颗LED光源31，优选地，所述LED光源31设置在光源板30的中央位置，装配时，该光源板30的底面热连接在该散热件50的顶端面，通过两颗螺钉20把该光源板30固定在该散热件50上。可以理解地，在其他一些实施列中，LED光源31数量也可设置为单颗。
请参照图1及图3，该灯罩10的中部设有聚光透镜11，该聚光透镜11正对所述LED光源31设置，该聚光透镜11中部设有收纳腔12，该收纳腔12用于收纳容置所述LED光源31。该聚光透镜11用于将所述LED光源31发出大部分光线朝向所述LED光源31的中轴线方向折射，该聚光透镜11将所述LED光源31发出的另一部分光线朝向该灯杯60折射，由于该灯杯60是由透明或半透明材料制成，这样，就使得该LED灯的灯杯60侧方及侧后方也有光线射出，达到了全向出光效果。该灯罩10的边缘底面设有凸出状的环扣条13，该环扣条13与该环槽过盈配合设置，装配时，该环扣条13压入该环槽内，通过卡扣方式使得该灯罩10固定在该灯杯60上、该聚光透镜11的底端恰好弹性抵接在所述LED光源31外围的光源板30上。该聚光透镜11不仅可以对所述LED光源31发出的光线进行配光，还可以通过该光源板30及该聚光透镜11把所述LED光源31所发出的部分热量传递至整个灯罩10，由于该灯罩10有较大的散热面积，可以较好地对所述LED光源31进行散热。可以理解地，在其他一些实施列中，该灯罩10也可采用勾扣方式固定在该灯杯60上。
综上所述，该LED灯将光源板30设置在散热件50上，将散热件50固定在该灯杯60的底部，并且使得该灯杯60的中部及顶部的内径大于该散热件50的外径，这样，该光源板30发出的光线必然会同时照射到该灯杯及该灯罩上。另外，通过聚光透镜11将所述LED光源31发出的光线大部分向所述LED光源31的中轴线方向折射，而将所述LED光源31发出的另一部分光线朝向该灯杯60折射。由于该灯杯60是由透明或半透明材料制成，这样，就使得该LED灯的灯杯60侧方及侧后方也有光线射出，达到了全向出光效果。另外，该散热件50插入该灯杯60的固定部61，通过过盈配合设计，该固定部61弹性地夹持该散热件50，再通过该聚光透镜11的底端弹性抵接在光源板30的上表面，使得该散热件50稳固地固定在该灯杯60内，省去了通过螺钉20固定或采用打胶固定该散热件50的步骤，使得装配该全向出光LED灯的过程更为简单，更有利于自动化生产。
以上仅为本发明较佳实施例而已，并不用以限制本发明，凡在本发明精神和原则之内，所做的任何修改、同等替换、改进等，均应包含在本发明保护的范围之内。

Claims (8)

1.一种全向出光LED灯，包括透明或半透明的灯杯、灯罩、光源板及散热件，该灯杯为顶部开口的壳体结构，该灯罩连接在该灯杯的顶部，该光源板及该散热件均固定在灯杯及灯罩围成的空间内，其特征在于，该散热件的底部固定在该灯杯的底部，该光源板与该散热件的顶部热连接，该灯杯的中部及顶部的内径大于该散热件的外径，该光源板上设有LED光源，所述LED光源发出的光线分别朝向该灯罩及该灯杯照射。
2.根据权利要求1所述的全向出光LED灯，其特征在于：该灯罩的中部设有聚光透镜，该聚光透镜正对所述LED光源设置。
3.根据权利要求2所述的全向出光LED灯，其特征在于：该聚光透镜用于将所述LED光源发出大部分光线朝向所述LED光源的中轴线方向折射，该聚光透镜将所述LED光源发出的另一部分光线朝向该灯杯折射。
4.根据权利要求1所述的全向出光LED灯，其特征在于：该散热件为中空结构，该散热件内部设有驱动器。
5.根据权利要求1所述的全向出光LED灯，其特征在于：该散热件由金属材料制成，该光源板固定在该散热件的顶部。
6.根据权利要求1所述的全向出光LED灯，其特征在于：该灯杯由塑料制成，该灯杯的底部对应该散热件的外壁设有固定部，该固定部弹性地夹持该散热件。
7.根据权利要求5所述的全向出光LED灯，其特征在于：该散热件的外侧壁间隔设有凹槽。
8.根据权利要求6所述的全向出光LED灯，其特征在于：该灯杯由散热材料制成。
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