WO2015172669A1 - 一种led射灯 - Google Patents

一种led射灯 Download PDF

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Publication number
WO2015172669A1
WO2015172669A1 PCT/CN2015/078339 CN2015078339W WO2015172669A1 WO 2015172669 A1 WO2015172669 A1 WO 2015172669A1 CN 2015078339 W CN2015078339 W CN 2015078339W WO 2015172669 A1 WO2015172669 A1 WO 2015172669A1
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WO
WIPO (PCT)
Prior art keywords
led spotlight
led
lamp cup
cup
lamp
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PCT/CN2015/078339
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English (en)
French (fr)
Inventor
张夙敏
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深圳市中电照明股份有限公司
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Publication of WO2015172669A1 publication Critical patent/WO2015172669A1/zh

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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
    • 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

Definitions

  • the invention relates to an LED spotlight.
  • LED has been widely used in lighting as a lighting device because of its advantages of energy saving, high luminous efficiency, long life, and fast startup.
  • spotlights such as GU10, MR16, MR11, PAR30, and PAR38 are widely used.
  • a common feature of the above-mentioned types of light sources is that there is a reflective lamp cup behind the light-emitting surface.
  • the traditional reflective light source has been developed for decades. It is to fix the halogen wick with the high temperature glue in the center of the glass lamp cup; the existing LED light source type can replace the halogen light source of the above model, and its structure is
  • the lamp body is equipped with a set of LEDs and lenses, which are made by plane illumination and total reflection lens.
  • the existing LED spotlights are quite different from the reflector cups of the conventional halogen spotlights, and the LEDs are also different in light-emitting manner. Therefore, it is impossible to directly manufacture the LED spotlights by using the reflector lamps of the conventional halogen spotlights, which cannot satisfy the user.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide an LED spotlight with a simple and ingenious structure, a shape and a light-emitting manner consistent with a conventional halogen spotlight, and a good heat dissipation effect.
  • the invention comprises a lamp body, a lamp head connecting portion, a reflector lamp cup, a driving circuit, a plurality of LED chips, a heat dissipating tube, a flexible circuit board, a translucent surface cover, and the lamp head connecting portion is fixedly connected a bottom of the reflector body is fixedly connected to the base of the lamp cap, and a bottom of the heat sink is fixedly connected to the reflector cup, the flexible circuit board a plurality of the LEDs are electrically connected to the flexible circuit board and disposed along the sidewall and the top surface of the heat dissipation tube to form a cylindrical surface illumination.
  • the driving circuit is electrically connected to the lamp head connecting portion and the LED chip, and the transparent cover is fixedly connected to the front end opening of the reflector lamp cup, and the LED is covered on the reflector lamp. The interior of the cup.
  • the reflector lamp cup has the same shape and size as the reflector lamp cup of the same specification of the halogen spotlight.
  • the bottom of the heat sink and the reflector lamp cup are fixed by bonding with a thermal conductive adhesive.
  • the center of the top surface of the heat sink is provided with a heat dissipation through hole communicating with the inner cavity.
  • the lamp body is a heat dissipating lamp body, and the plurality of LEDs sequentially conduct heat and heat through the flexible circuit board, the heat dissipating tube, the reflector lamp cup, the lamp body and the lamp head connecting portion.
  • the lamp body is made of ceramic or thermally conductive plastic.
  • the reflector lamp cup is made of glass or plastic or metal.
  • the LED spotlight has a beam angle of 15° to 100°.
  • the lamp head of the LED spotlight is of the type GZ10 or GU10 or GU5.3 or E26 or E27 or E14 or E12 or G24 or G23 or B22 or G9.
  • the model of the LED spotlight is MR16 or MR11 or PAR16 or PAR20 or PAR30 or PAR38 or PAR111.
  • the invention has the beneficial effects that the lamp body connection portion is fixedly connected to the lamp body, the lamp head connecting portion, the reflector lamp cup, the driving circuit, the plurality of LED chips, the heat dissipating tube, the flexible circuit board and the translucent surface cover.
  • a front end of the lamp body, a bottom of the reflector lamp cup is fixedly connected to the lamp cap connecting portion, a bottom of the heat dissipating tube is fixedly connected to the reflector lamp cup, and the flexible circuit board is covered by the a plurality of the LEDs are electrically connected to the flexible circuit board and disposed along the sidewall and the top surface of the heat dissipation tube to form a cylindrical surface, and the driving circuit respectively
  • the light-emitting surface cover is fixedly connected to the front end opening of the reflector lamp cup, and the LED is covered in the interior of the reflector lamp cup;
  • the invention adopts the structure of the heat dissipating tube to design the illuminating direction of the LED to be omnidirectional through the flexible circuit board
  • any reflector lamp cup suitable for halogen lamps can be directly used to make LED spotlights, making the traditional halogen lamp cup look new.
  • the invention satisfies the needs of the majority of users, like the lighting mode and shape of the halogen lamp cup, so that the traditional halogen lamp cup can continue to be effectively utilized.
  • the invention also uses the heat sink as a heat dissipating component to facilitate heat dissipation, so the invention is a kind of The LED spotlight is simple and ingenious, and has the same shape and illumination method as the traditional halogen spotlight and good heat dissipation effect.
  • FIG. 1 is a schematic side view showing the structure of a first embodiment of the present invention
  • Figure 2 is a cross-sectional structural view showing a first embodiment of the present invention
  • FIG. 3 is a schematic exploded view of the first embodiment of the present invention.
  • FIG. 4 is a schematic side view showing the structure of the second embodiment of the present invention.
  • Figure 5 is a schematic structural view of Embodiment 3 of the present invention.
  • Figure 6 is a schematic structural view of Embodiment 4 of the present invention.
  • Figure 7 is a schematic structural view of Embodiment 5 of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the LED spotlight of this embodiment is a common MR16 type LED spotlight, including a lamp body 1, a lamp joint portion 2, a reflector lamp cup 3, a drive circuit 4, and a plurality of LEDs. a chip 6, a heat sink 5, a flexible circuit board 7, and a light transmissive cover 8, the cap connecting portion 2 is fixedly connected to the front end of the lamp body 1, and the reflecting lamp cup 3 and the same type of halogen spotlight are reflected.
  • the shape and size of the lamp cup are the same.
  • the reflector lamp cup 3 can directly adopt the reflector lamp cup of the existing halogen lamp of the same specification, and the bottom of the reflector lamp cup 3 is fixedly connected with the lamp head connecting portion 2,
  • the bottom of the heat sink 5 is fixedly connected to the reflector cup 3, specifically the bottom of the heat sink 5 and the reflector lamp
  • the cup 3 is bonded and fixed by a thermal conductive adhesive, which is advantageous for heat conduction.
  • the heat dissipating tube 5 is in the shape of an octagonal prism, and may of course be other columns such as a cylinder.
  • the flexible circuit board 7 is coated on the column side of the heat dissipating cylinder 5.
  • a plurality of the LEDs 6 are electrically connected to the flexible circuit board 7 and disposed along the sidewalls and the top surface of the heat dissipation tube 5 to form a cylindrical surface, and the top surface of the heat dissipation tube 5
  • the heat dissipation through hole 50 is connected to the inner cavity to facilitate heat dissipation
  • the driving circuit 4 is electrically connected to the lamp head connecting portion 2 and the LED chip 6, respectively, and the transparent cover 8 is fixedly connected to the At the front end opening of the reflector lamp cup 3, the LED 6 is covered inside the reflector lamp cup 3.
  • the lamp body 1 is a heat dissipation lamp body, and a plurality of the LEDs 6 pass through the flexible circuit board in sequence. 7.
  • the heat sink 5, the reflector lamp cup 3, the lamp body 1 and the lamp head connecting portion 2 perform heat conduction and heat dissipation, and achieve effective heat dissipation in a limited volume, and the heat dissipation effect is good.
  • the lamp body 1 is made of ceramic
  • the reflector lamp cup 3 is made of glass
  • the LED spotlight The model of the lamp head is GZ10, and the beam angle of the LED spotlight is 25°.
  • the beam angle of the LED spotlight can range from 15° to 100°.
  • the beam of the LED spotlight The angle is preferably in the range of 15 to 25 to more concentrate, and the translucent cover 8 is a flat cover.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the LED spotlight of the embodiment is different from the first embodiment in that: in the embodiment, the lamp body 1 is made of heat conductive plastic, and the reflector lamp cup 3 is made of plastic.
  • the type of the lamp head of the LED spotlight is GU10.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the difference between the LED spotlight of the embodiment and the second embodiment is that: in the embodiment, the model of the LED spotlight is PAR111, that is, the size and shape of the reflector lamp cup 3 are different.
  • the light transmissive cover 8 is an arcuate convex cover.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the difference between the LED spotlight of the embodiment and the third embodiment is that: in the embodiment, the model of the LED spotlight is PAR30, that is, the size and shape of the reflector lamp cup 3 are different.
  • the reflector lamp cup 3 is made of aluminum, and the lamp head of the LED spotlight is of the type E27.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the difference between the LED spotlight of the embodiment and the fourth embodiment is that, in the embodiment, the model of the LED spotlight is PAR38, that is, the size and shape of the reflector lamp cup 3 are different.
  • the above embodiments are merely illustrative and are not intended to limit the scope of the invention.
  • the model of the lamp head of the LED spotlight can also be a model of GU5.3 or E26 or E14 or E12 or G24 or G23 or B22 or G9, and the model of the LED spotlight can also be MR11 or PAR16 or PAR20 and the like. model.
  • the light-emitting direction of the LED is designed to be omnidirectional through the flexible circuit board 7 by the structure of the heat-dissipating cylinder 5, and the side wall and the top surface of the cylinder of the heat-dissipating cylinder 3 are covered by the flexible circuit board 7.
  • the LED light stick is made in the same way as the halogen wick.
  • the light-emitting position is the same as that of the halogen wick. Therefore, any reflector lamp cup suitable for halogen lamps can be directly used to make LED spotlights, making the traditional halogen lamp cup look old. Renewing the new look, satisfying the needs of the majority of users, like the lighting mode and shape of the halogen lamp cup, so that the traditional halogen lamp cup can continue to be effectively utilized.
  • the present invention also uses the heat sink 3 as a heat dissipating component to facilitate heat dissipation, so the book is
  • the invention is an LED spotlight with simple and ingenious structure, the shape and the light-emitting manner consistent with the traditional halogen spotlight and good heat dissipation effect, which can meet the direct substitution requirement of the user for the light-emitting mode and shape of the traditional halogen lamp cup.
  • the invention can be widely applied to the field of LED light sources.

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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)

Abstract

一种LED射灯，包括灯体(1)、灯头连接部(2)、反射灯杯(3)、驱动电路(4)、若干个LED芯片(6)、散热筒(5)、柔性线路板(7)、透光面盖(8)。灯头连接部(2)固定于灯体(1)的前端。反射灯杯(3)的底部与灯头连接部(2)固连。散热筒(5)的底部与反射灯杯(3)固连。柔性线路板(7)包覆于散热筒(5)的柱体侧壁及顶面上。LED(6)电连接于柔性线路板(7)上并沿散热筒(5)的侧壁及顶面布设，形成柱面发光。驱动电路(4)分别与灯头连接部(2)及LED芯片(6)相电连接。透光面盖(8)固定连接于反射灯杯(3)的前端开口处，将LED(6)包罩于反射灯杯(3)的内部。该射灯结构简单、外形与传统卤素射灯一致、散热效果好。

Description

一种LED射灯 技术领域
本发明涉及一种LED射灯。
背景技术
目前在照明领域，LED因具有节能、高光效、长寿命、启动快等优点，已经越来越广泛应用到光源中作为照明之用。在光源中，诸如GU10、MR16、MR11、PAR30和PAR38等射灯被广泛使用，上述类型的光源具有一个共同特点就是发光面后面都有反射式灯杯。传统的反射式投光光源发展了几十年，其是将卤素灯芯用高温胶固定在玻璃灯杯的中央；现有的LED光源种类已经可以替代上述型号的卤素射灯光源，其结构是在灯体里面装一组LED和透镜，采用平面发光和加全反射透镜等方式制作。但是这种现有的LED射灯与传统卤素射灯的反射灯杯大相径庭，LED的出光方式也迥然不同，因此无法用传统的卤素射灯的反射灯杯直接制造LED射灯，无法满足用户对传统卤素灯杯的发光方式和外形的直接替代需求。
发明内容
本发明所要解决的技术问题是克服现有技术的不足，提供一种结构简单巧妙、外形及发光方式与传统卤素射灯一致、散热效果好的LED射灯。
本发明所采用的技术方案是：本发明包括灯体、灯头连接部、反射灯杯、驱动电路、若干个LED芯片、散热筒、柔性线路板、透光面盖，所述灯头连接部固定连接于所述灯体的前端，所述反射灯杯的底部与所述灯头连接部相固定连接，所述散热筒的底部与所述反射灯杯相固定连接，所述柔性线路板 包覆于所述散热筒的柱体侧壁及顶面上，若干个所述LED电连接于所述柔性线路板上并沿所述散热筒的侧壁及顶面布设，形成柱面发光，所述驱动电路分别与所述灯头连接部及所述LED芯片相电连接，所述透光面盖固定连接于所述反射灯杯的前端开口处，将所述LED包罩于所述反射灯杯的内部。
所述反射灯杯与同规格的卤素射灯的反射灯杯外形及大小一致。
所述散热筒的底部与所述反射灯杯通过导热胶粘结固定。
所述散热筒的顶面中心设有散热通孔与内腔相通。
所述灯体为散热灯体，若干个所述LED依次通过所述柔性线路板、所述散热筒、所述反射灯杯、所述灯体及所述灯头连接部进行导热及散热。
所述灯体采用陶瓷或导热塑料制成。
所述反射灯杯采用玻璃或塑料或金属制成。
所述LED射灯的光束角为15°～100°。
所述LED射灯的灯头的型号为GZ10或GU10或GU5.3或E26或E27或E14或E12或G24或G23或B22或G9。
所述LED射灯的型号为MR16或MR11或PAR16或PAR20或PAR30或PAR38或PAR111。
本发明的有益效果是：由于本发明包括灯体、灯头连接部、反射灯杯、驱动电路、若干个LED芯片、散热筒、柔性线路板、透光面盖，所述灯头连接部固定连接于所述灯体的前端，所述反射灯杯的底部与所述灯头连接部相固定连接，所述散热筒的底部与所述反射灯杯相固定连接，所述柔性线路板包覆于所述散热筒的柱体侧壁及顶面上，若干个所述LED电连接于所述柔性线路板上并沿所述散热筒的侧壁及顶面布设，形成柱面发光，所述驱动电路分别与所述灯头连接部及所述LED芯片相电连接，所述透光面盖固定连接于所述反射灯杯的前端开口处，将所述LED包罩于所述反射灯杯的内部；本发明通过所述散热筒的结构将LED的发光方向通过所述柔性线路板设计成全方向的，通过所述柔性线路板包覆于所述散热筒的柱体侧壁及顶面上制作成一 个和卤素灯芯一致的LED发光棒，其发光位置和卤素灯芯是一致的，因此凡是适合卤素灯的反射灯杯都可以直接用来制作LED射灯，使得传统的卤素灯杯旧貌换新颜，满足广大的用户心理喜欢卤素灯杯的发光方式和外形的需求，使传统的卤素灯杯可以继续有效利用，本发明还通过所述散热筒作为散热元件，利于散热，故本发明是一种结构简单巧妙、外形及发光方式与传统卤素射灯一致、散热效果好的LED射灯。
附图说明
图1是本发明实施例一的侧面结构示意图；
图2是本发明实施例一的剖面结构示意图；
图3是本发明实施例一的分解结构示意图；
图4是本发明实施例二的侧面结构示意图；
图5是本发明实施例三的结构示意图；
图6是本发明实施例四的结构示意图；
图7是本发明实施例五的结构示意图。
具体实施方式
实施例一：
如图1～图3所示，本实施例的LED射灯是一种常见的MR16型号的LED射灯，包括灯体1、灯头连接部2、反射灯杯3、驱动电路4、若干个LED芯片6、散热筒5、柔性线路板7、透光面盖8，所述灯头连接部2固定连接于所述灯体1的前端，所述反射灯杯3与同规格的卤素射灯的反射灯杯外形及大小一致，所述反射灯杯3可直接采用现有的同规格的卤素射灯的反射灯杯，所述反射灯杯3的底部与所述灯头连接部2相固定连接，所述散热筒5的底部与所述反射灯杯3相固定连接，具体为所述散热筒5的底部与所述反射灯 杯3通过导热胶粘结固定，有利于导热，所述散热筒5为八棱柱状，当然也可以为圆柱等其他柱状，所述柔性线路板7包覆于所述散热筒5的柱体侧壁及顶面上，若干个所述LED 6电连接于所述柔性线路板7上并沿所述散热筒5的侧壁及顶面布设，形成柱面发光，所述散热筒5的顶面中心设有散热通孔50与内腔相通，有利于散热，所述驱动电路4分别与所述灯头连接部2及所述LED芯片6相电连接，所述透光面盖8固定连接于所述反射灯杯3的前端开口处，将所述LED 6包罩于所述反射灯杯3的内部，所述灯体1为散热灯体，若干个所述LED 6依次通过所述柔性线路板7、所述散热筒5、所述反射灯杯3、所述灯体1及所述灯头连接部2进行导热及散热，在有限的体积内实现了有效的散热，散热效果好，本实施例中，所述灯体1采用陶瓷制成，所述反射灯杯3采用玻璃制成，所述LED射灯的灯头的型号为GZ10，所述LED射灯的光束角为25°，当然所述LED射灯的光束角的范围可为15°～100°，作为聚光射灯，所述LED射灯的光束角在15°～25°范围内更好，以更加聚光，所述透光面盖8为平盖。
实施例二：
如图4所示，本实施例的LED射灯与实施例一的区别特征在于：本实施例中，所述灯体1采用导热塑料制成，所述反射灯杯3采用塑料制成，所述LED射灯的灯头的型号为GU10。
本实施例的其余特征同实施例一。
实施例三：
如图5所示，本实施例的LED射灯与实施例二的区别特征在于：本实施例中，所述LED射灯的型号为PAR111，即所述反射灯杯3的大小和形状不同，另外所述透光面盖8为弧形凸盖。
本实施例的其余特征同实施例二。
实施例四：
如图6所示，本实施例的LED射灯与实施例三的区别特征在于：本实施例中，所述LED射灯的型号为PAR30，即所述反射灯杯3的大小和形状不同，所述反射灯杯3采用铝材制成，另外所述LED射灯的灯头的型号为E27。
本实施例的其余特征同实施例三。
实施例五：
如图7所示，本实施例的LED射灯与实施例四的区别特征在于：本实施例中，所述LED射灯的型号为PAR38，即所述反射灯杯3的大小和形状不同。
本实施例的其余特征同实施例四。
以上实施例仅为举例说明，并非是对本发明保护范围的限制。如所述LED射灯的灯头的型号还可以为GU5.3或E26或E14或E12或G24或G23或B22或G9等型号，所述LED射灯的型号还可以为MR11或PAR16或PAR20等其他型号。
本发明通过所述散热筒5的结构将LED的发光方向通过所述柔性线路板7设计成全方向的，通过所述柔性线路板7包覆于所述散热筒3的柱体侧壁及顶面上制作成一个和卤素灯芯一致的LED发光棒，其发光位置和卤素灯芯是一致的，因此凡是适合卤素灯的反射灯杯都可以直接用来制作LED射灯，使得传统的卤素灯杯旧貌换新颜，满足广大的用户心理喜欢卤素灯杯的发光方式和外形的需求，使传统的卤素灯杯可以继续有效利用，本发明还通过所述散热筒3作为散热元件，利于散热，因此本本发明是一种结构简单巧妙、外形及发光方式与传统卤素射灯一致、散热效果好的LED射灯，能够满足用户对传统卤素灯杯的发光方式和外形的直接替代需求。
本发明可广泛应用于LED光源领域。

Claims (10)

  1. 一种LED射灯，包括灯体(1)、灯头连接部(2)、反射灯杯(3)、驱动电路(4)、若干个LED芯片(6)，其特征在于：所述LED射灯还包括散热筒(5)、柔性线路板(7)、透光面盖(8)，所述灯头连接部(2)固定连接于所述灯体(1)的前端，所述反射灯杯(3)的底部与所述灯头连接部(2)相固定连接，所述散热筒(5)的底部与所述反射灯杯(3)相固定连接，所述柔性线路板(7)包覆于所述散热筒(5)的柱体侧壁及顶面上，若干个所述LED(6)电连接于所述柔性线路板(7)上并沿所述散热筒(5)的侧壁及顶面布设，形成柱面发光，所述驱动电路(4)分别与所述灯头连接部(2)及所述LED芯片(6)相电连接，所述透光面盖(8)固定连接于所述反射灯杯(3)的前端开口处，将所述LED(6)包罩于所述反射灯杯(3)的内部。
  2. 根据权利要求1所述的LED射灯，其特征在于：所述反射灯杯(3)与同规格的卤素射灯的反射灯杯外形及大小一致。
  3. 根据权利要求1所述的LED射灯，其特征在于：所述散热筒(5)的底部与所述反射灯杯(3)通过导热胶粘结固定。
  4. 根据权利要求1所述的LED射灯，其特征在于：所述散热筒(5)的顶面中心设有散热通孔(50)与内腔相通。
  5. 根据权利要求1所述的LED射灯，其特征在于：所述灯体(1)为散热灯体，若干个所述LED(6)依次通过所述柔性线路板(7)、所述散热筒(5)、所述反射灯杯(3)、所述灯体(1)及所述灯头连接部(2)进行导热及散热。
  6. 根据权利要求5所述的LED射灯，其特征在于：所述灯体(1)采用陶瓷或导热塑料制成。
  7. 根据权利要求1所述的LED射灯，其特征在于：所述反射灯杯(3)采用 玻璃或塑料或金属制成。
  8. 根据权利要求1所述的LED射灯，其特征在于：所述LED射灯的光束角为15°～100°。
  9. 根据权利要求1所述的LED射灯，其特征在于：所述LED射灯的灯头的型号为GZ10或GU10或GU5.3或E26或E27或E14或E12或G24或G23或B22或G9。
  10. 根据权利要求1所述的LED射灯，其特征在于：所述LED射灯的型号为MR16或MR11或PAR16或PAR20或PAR30或PAR38或PAR111。
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