WO2017080343A1 - Led灯泡 - Google Patents

Led灯泡 Download PDF

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Publication number
WO2017080343A1
WO2017080343A1 PCT/CN2016/102246 CN2016102246W WO2017080343A1 WO 2017080343 A1 WO2017080343 A1 WO 2017080343A1 CN 2016102246 W CN2016102246 W CN 2016102246W WO 2017080343 A1 WO2017080343 A1 WO 2017080343A1
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Prior art keywords
led light
light source
lamp
bulb according
led
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PCT/CN2016/102246
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English (en)
French (fr)
Inventor
曾茂进
曹亮亮
王其远
鲍永均
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漳洲立达信光电子科技有限公司
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Publication of WO2017080343A1 publication Critical patent/WO2017080343A1/zh

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    • 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
    • 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
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • 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

Definitions

  • the invention relates to an LED lighting fixture, in particular to an LED bulb.
  • LED light source has the advantages of high luminous efficiency, low heat generation, power saving and long life, so its application is more and more extensive. LED lights will gradually replace traditional lighting fixtures such as incandescent and halogen lamps.
  • the size of the heat sink is usually made relatively large. Since the size of the whole lamp has standard requirements, the size of the whole lamp cannot be increased at will. Therefore, it is necessary to reduce the luminescent bulb, which results in difficulty in light distribution at a large angle, and a structure such as a reflective lens needs to be added, and the light-emitting efficiency is greatly reduced.
  • Chinese Patent Application No. 201110326614.5 entitled “U-LED Energy Saving Lamp”
  • the driver housing is made of a thermally conductive plastic embedded metal or a purely thermally conductive plastic material; the driver housing is connected to the U-shaped lamp cover, and the U-shaped lamp cover is provided with a substrate electrically connected to the driver, and the substrate is mounted on the substrate There are LED components. It can be seen that in order to realize large-angle, high-power lamps at the same time, most of the prior art is a large-volume lamp such as an energy-saving lamp. This whole lamp is bulky and has gradually become unloved by consumers. Therefore, how to make the whole lamp structure small, and at the same time has a large angle and a high light extraction rate is one of the directions that the industry is actively researching and developing.
  • An LED light bulb includes a lamp body, an LED light source plate and a lamp housing.
  • the LED light source plate has a strip structure, and a front surface of the LED light source plate is provided with a plurality of LED light sources, and at least one end of the LED light source plate is connected to the lamp body.
  • the central portion of the LED light source panel is disposed away from the base body.
  • the lamp housing is a strip-shaped housing structure. The lamp housing is disposed around the front surface of the LED light source panel such that the rear surface of the LED light source panel is at least partially in communication with the outside.
  • the LED bulb is provided with a strip-shaped structure LED light source panel, and at least one end of the LED light source panel is connected to the lamp cap body, the lamp shell is a strip-shaped shell junction, and the LED light source panel is disposed on the LED light source panel
  • the front side makes the back side communicate with the outside world.
  • This structure allows the heat generated by the LED light source panel to be quickly transferred out through its back. The heat dissipation effect of the whole lamp is good, and the condition that the whole lamp is designed as a high-power light bulb is met to meet the market demand.
  • LED light bulb of the first embodiment of the present invention including four LED light source panels.
  • LED bulb of the first embodiment of the present invention please refer to FIG. 1 to FIG.
  • an LED bulb 100 includes a lamp body 10 , an LED light source panel 50 , and a lamp housing 20 .
  • the LED light source panel 50 has a strip structure, and the LED light source panel 50 has a plurality of LEDs on the front surface thereof. At least one end of the LED light source panel 50 is connected to the base body 10. The central portion of the LED light source panel 50 is disposed away from the base body 10.
  • the lamp housing 20 is a strip-shaped housing structure.
  • the front surface of the LED light source panel 50 is such that the back surface of the LED light source panel 50 is at least partially in communication with the outside.
  • the LED light source panel 50 can emit light into a three-dimensional space, and by selecting an appropriate shape or an appropriate number of LED light source panels 50, large-angle illumination can be realized.
  • the strip housing 20 is disposed around the front surface of the LED light source panel 50 such that the back surface of the LED light source panel 50 is at least partially in communication with the outside.
  • a heat conducting frame 40 is further disposed, the heat conducting frame 40 is made of a metal heat conductive material, and the LED light source plate 50 is disposed on the heat conducting frame 40 and the back of the LED light source plate 50 and the heat conducting frame 40 is thermally connected, and the lamp housing 20 is fastened to the heat conducting frame 40.
  • the heat conducting frame 40 can quickly absorb the heat of the LED light source panel 50 and pass it out. This structure allows the outer surface of the entire lamp to be dissipated, and the heat generated by the LED light source panel 50 can be quickly transferred out.
  • the heat dissipation effect of the whole lamp is good, and the condition that the whole lamp is designed as a high-power light bulb is met to meet the market demand.
  • each of the LED light source panels 50 is respectively provided with a lamp housing 20 , and the bottom end of the LED light source panel 50 is fixed on the lamp cap body 10 .
  • the top ends of the LED light source panels 50 are fixedly connected to each other.
  • the power of the entire lamp is greatly increased. Further, it is further preferable to uniformly distribute the LED light source panel 50 around the circumference of the central axis of the base body 10, thereby enabling illumination in all directions of the circumference, and the distribution of light is more uniform.
  • each of the LED light source panels 50 includes a bendable substrate and a plurality of LED light sources 51 disposed on the substrate. The bottom of each of the LED light source panels 50 is bent toward a direction close to the base body 10, and the top of each of the LED light source panels 50 is bent away from the base body 10
  • the structure of the LED light source panel 50 is made more flexible by using a bendable substrate. Therefore, the whole lamp can make different shapes and different curvatures of the LED light source panel 50 according to different light distribution requirements.
  • the LED light source panel 50 can be curved in a direction away from the central axis of the lamp body 10, and the plurality of LED light source panels 50 are arranged in a shape similar to the shape of the bulb, so that the light distribution of the whole lamp is more reasonable. .
  • the lamp housing 20 is disposed corresponding to the LED light source on the LED light source panel 50 for expanding the illumination angle of the LED light source 51.
  • the tops of the lamp housings 20 are connected to each other to form a unitary body. By connecting the tops of the lamp housings 20 to each other to form a whole, on the one hand, the overall appearance is beautiful, and on the other hand, the light irradiation requirement of the top of the whole lamp can be better satisfied.
  • each of the lamp housings 20 is a semi-circular ring structure.
  • the LED housings 50 are respectively provided with fastening slots, and the LED light source panels 50 are respectively fastened to the fastening slots.
  • the lamp housing 20 is disposed in a strip structure having a semi-circular shape such that the angle of illumination of the LED light source can be increased in angle in the cross section so that the entire circumference of the cross section can be irradiated with sufficient light.
  • the lamp body 10 is provided with a driver, and the driver is electrically connected to the LED light source plate 50 respectively.
  • the LED light bulb 100 (not shown) of the second embodiment of the present invention is different from the first embodiment in that the LED light source panel 50 is a bent strip structure, and both ends of the LED light source panel 50 are fixed at the same. On the base body 10. With this structure, the LED light source panel 50 does not need to be connected and fixed at the top, and has a simple structure.
  • the top ends thereof are fixedly connected to each other, so that the LED light source panel 50 can emit 360 degrees outward.
  • the LED light source panel 50 is evenly distributed around the circumference of the central axis of the base body 10, so that illumination can be obtained in all directions of the circumference, and the light distribution is more uniform.
  • the strip housing 20 is disposed around the front surface of the LED light source panel 50 such that the back surface of the LED light source panel 50 is at least partially in communication with the outside.

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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)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

一种LED灯泡（100），包括灯头体（10）、LED光源板（50）及灯壳（20），该LED光源板（50）为条形结构，该LED光源板（50）的正面设有多个LED光源，该LED光源板（50）的至少一端连接在该灯头体（10）上，该LED光源板（50）的中部远离该灯头体（10）设置，该灯壳（20）为条形壳体结构，该灯壳（20）罩设在该LED光源板（50）的正面周围使得该LED光源板（50）的背面至少部分与外界连通。这种结构使得LED光源板（50）所产生的热量能够通过其背部快速被传递出去；使得整灯的散热效果良好，具备将整灯设计成高功率灯泡的条件，以满足市场需求。

Description

LED灯泡
本发明涉及一种LED照明灯具，特别是一种LED灯泡。
LED光源具有发光效率高、低发热、省电和寿命长的优点，因此其应用越来越广泛。LED灯将逐渐取代白炽灯和卤素灯等传统照明灯具。现有的LED A灯为了满足散热需要，通常把散热器的尺寸做得比较大，由于整灯的尺寸有标准要求，不能把整灯的尺寸随意增大。因此需要将发光的泡壳缩小，导致大角度的配光困难，需要增设反光透镜等结构，出光效率大大的降低。
如公布日为2012年6月20日，中国专利申请号201110326614.5，名称为《一种U型LED节能灯》的发明，其包括灯头，所述灯头上设有驱动器外壳，驱动器外壳内设有驱动器，所述驱动器外壳由导热塑料内嵌金属或者纯导热塑料材料制成；所述驱动器外壳与U型灯罩连接，所述U型灯罩内设置有与所述驱动器电连接的基板，该基板上安装有LED组件。可见，为了同时实现大角度、高功率的灯具，现有技术中还是多数为节能灯这种大体积的灯具。这种整灯体积大，已经渐渐的不受消费者的喜爱。因此如何使得整灯结构小，且同时具有大角度、高出光率是行业正在积极研发的方向之一。
有鉴于此，有必要提供一种全周光、散热性能良好的LED灯泡。
一种LED灯泡，包括灯头体、LED光源板及灯壳，该LED光源板为条形结构，该LED光源板的正面设有多个LED光源，该LED光源板的至少一端连接在该灯头体上，该LED光源板的中部远离该灯头体设置，该灯壳为条形壳体结构，该灯壳罩设在该LED光源板的正面周围使得该LED光源板的背面至少部分与外界连通。
与现有技术相比，LED灯泡通过设置条形结构LED光源板，并且将LED光源板的至少一端连接在该灯头体上，该灯壳为条形壳体结，罩设在该LED光源板的正面，使得其背面与外界连通。这种结构使得LED光源板所产生的热量能够通过其背部快速被传递到出去。使得整灯的散热效果良好，具备将整灯设计成高功率灯泡的条件，以满足市场需求。
 图1
是本发明第一实施例的LED灯泡的立体图。
图2
是图1所示LED灯泡的立体分解图
图3
是本发明第一实施例的LED灯泡中包括四个LED光源板的立体图。
下面结合附图与具体实施方式对本发明作进一步详细描述。
本发明第一实施例的LED灯泡，请参考图1至图3。
请参考图1至图3，一种LED灯泡100，包括灯头体10、LED光源板50及灯壳20，该LED光源板50为条形结构，该LED光源板50的正面设有多个LED光源，该LED光源板50的至少一端连接在该灯头体10上，该LED光源板50的中部远离该灯头体10设置，该灯壳20为条形壳体结构，该灯壳20罩设在该LED光源板50的正面周围使得该LED光源板50的背面至少部分与外界连通。
通过采用条形结构的LED光源板50，且一端连接在该灯头体10上，将中部远离该灯头体10设置。因此，LED光源板50可以向立体空间发光，通过选择适当的形状，或者适当的LED光源板50的个数，能够实现大角度发光。
同时，采用条形壳体结构，将灯壳20罩设在该LED光源板50的正面周围，使得该LED光源板50的背面至少部分与外界连通。进一步优选的，还设置有导热架40，该导热架所述导热架40由金属导热材料制成，该LED光源板50设置在该导热架40上并且该LED光源板50的背部与该导热架40热连接，所述灯壳20与该导热架40扣合在一起。其中导热架40能够快速的吸收LED光源板50的热量并传递出去。这种结构使得整灯外表面都可以进行散热，LED光源板50所产生的热量能够快速被传递到出去。使得整灯的散热效果良好，具备将整灯设计成高功率灯泡的条件，以满足市场需求。
请参考图1至图3，优选的，包括至少三条LED光源板50，对应每条LED光源板50分别设有一个灯壳20，所述LED光源板50的底端固定在该灯头体10上，所述LED光源板50的顶端相互固定连接。
通过设置至少三条LED光源板50，使得整灯的功率大大提高。并且进一步优选将LED光源板50环绕灯头体10中心轴的圆周均匀分布，因此使得圆周的各个方向都能够得到照射，且光的分布更为均匀。
请参考图1至图3，优选的，所述每条LED光源板50均包括可弯折的基板及设置在基板上的多个LED光源51。所述每条LED光源板50的底部朝向靠近该灯头体10的方向弯折，所述每条LED光源板50的顶部朝向远离该灯头体10的方向弯折
通过采用可弯折的基板，使得LED光源板50的结构设置更灵活。因此，整灯可以根据不同的光分布需求，对LED光源板50做出不同形状、不同弧度的弯折。例如，优选的，可以将LED光源板50朝向远离灯头体10中心轴的方向形成弧形的弯折，多条LED光源板50的设置形状类似球泡的形状，使得整灯的配光更加合理。
请参考图1至图3，优选的，所述灯壳20对应该LED光源板50上的LED光源设置，用于扩大所述LED光源51的发光角度。所述灯壳20的顶部相互连接形成一个整体。通过将灯壳20的顶部相互连接形成一个整体，一方面整体外观美观，另一方面能够更好的满足整灯顶部的光照射需求。
请参考图2，优选的，所述灯壳20各个位置处的横截面均为过半圆环形结构。所述灯壳20对应该LED光源板50分别设有扣合槽，所述LED光源板50分别扣接在该扣合槽上。将灯壳20设置成过半圆环形的条状结构，使得LED光源的发光角度能够在横截面上的角度增大，使得横截面上的整个圆周都能够有充足的光照射。
请参考图2，优选的，该灯头体10内设有驱动器，该驱动器分别与所述LED光源板50电连接。
本发明第二实施例的LED灯泡100（图未示），与第一实施例的区别在于：该LED光源板50为弯折的条形结构，该LED光源板50的两端均固定在该灯头体10上。这种结构，LED光源板50在顶部无需连接固定，结构简单。
综上所述，通过将至少三条LED光源板50，LED光源板50的底端固定在该灯头体10上，其顶端相互固定连接，使得LED光源板50向外发光角度能够达到360°。将LED光源板50环绕灯头体10中心轴的圆周均匀分布，因此使得圆周的各个方向都能够得到照射，且光的分布更为均匀。同时，采用条形壳体结构，将灯壳20罩设在该LED光源板50的正面周围，使得该LED光源板50的背面至少部分与外界连通。这种结构使得整灯外表面都可以进行散热，LED光源板50所产生的热量能够快速被传递到出去。使得整灯的散热效果良好，具备将整灯设计成高功率灯泡的条件，以满足市场需求。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明保护的范围之内。

Claims (11)

  1. 一种LED灯泡，包括灯头体、LED光源板及灯壳，该LED光源板为条形结构，该LED光源板的正面设有多个LED光源，其特征在于，该LED光源板的至少一端连接在该灯头体上，该LED光源板的中部远离该灯头体设置，该灯壳为条形壳体结构，该灯壳罩设在该LED光源板的正面周围使得该LED光源板的背面至少部分与外界连通。
  2. 根据权利要求1所述的LED灯泡，其特征在于：该LED光源板为弯折的条形结构，该LED光源板的两端均固定在该灯头体上。
  3. 根据权利要求1所述的LED灯泡，其特征在于：包括至少三条LED光源板，对应每条LED光源板分别设有一个灯壳，所述LED光源板的底端固定在该灯头体上，所述LED光源板的顶端相互固定连接。
  4. 根据权利要求3所述的LED灯泡，其特征在于：所述每条LED光源板的底部朝向靠近该灯头体的方向弯折，所述每条LED光源板的顶部朝向远离该灯头体的方向弯折。
  5. 根据权利要求4所述的LED灯泡，其特征在于：所述每条LED光源板均包括可弯折的基板及设置在基板上的多个LED光源。
  6. 根据权利要求3所述的LED灯泡，其特征在于：所述灯壳的顶部相互连接形成一个整体。
  7. 根据权利要求1所述的LED灯泡，其特征在于：所述灯壳对应该LED光源板上的LED光源设置，用于扩大所述LED光源的发光角度。
  8. 根据权利要求7所述的LED灯泡，其特征在于：所述灯壳各个位置处的横截面均为过半圆环形结构。
  9. 根据权利要求1所述的LED灯泡，其特征在于：所述灯壳对应该LED光源板分别设有扣合槽，所述LED光源板分别扣接在该扣合槽上。
  10. 根据权利要求1所述的LED灯泡，其特征在于：该灯头体内设有驱动器，该驱动器分别与所述LED光源板电连接。
  11. 根据权利要求1所述的LED灯泡，其特征在于：还包括导热架，所述导热架设置在该灯头体上，所述导热架与该LED光源板的背面热连接。
PCT/CN2016/102246 2015-11-13 2016-10-17 Led灯泡 WO2017080343A1 (zh)

Applications Claiming Priority (2)

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CN107388068B (zh) * 2017-09-01 2024-02-23 葛铁汉 一种led灯体

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