WO2021169921A1 - 一种可调节角度的灯具 - Google Patents

一种可调节角度的灯具 Download PDF

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WO2021169921A1
WO2021169921A1 PCT/CN2021/077260 CN2021077260W WO2021169921A1 WO 2021169921 A1 WO2021169921 A1 WO 2021169921A1 CN 2021077260 W CN2021077260 W CN 2021077260W WO 2021169921 A1 WO2021169921 A1 WO 2021169921A1
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Prior art keywords
radiator
angle
lamp body
lamp
radiators
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PCT/CN2021/077260
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English (en)
French (fr)
Inventor
李希龙
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厦门龙胜达照明电器有限公司
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Publication of WO2021169921A1 publication Critical patent/WO2021169921A1/zh
Priority to US17/881,164 priority Critical patent/US11703205B2/en

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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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/14—Covers for frames; Frameless shades
    • F21V1/143—The cover being attached to a supporting lampshade frame
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/14—Covers for frames; Frameless shades
    • F21V1/16—Covers for frames; Frameless shades characterised by the material
    • 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
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • 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 invention relates to the field of luminescence, in particular to a lamp with an adjustable angle.
  • Existing light-emitting lamps include a lamp holder and a drive circuit board.
  • the drive circuit board is arranged on the lamp holder.
  • the drive circuit board includes six rectangular panels and a circular panel.
  • the six rectangular panels are enclosed In a cylindrical shape, one end of the cylinder is fixed on the lamp holder, and the circular panel is fixed on the other end of the cylinder.
  • the rectangular and circular panels are evenly distributed with LED light sources.
  • the LED light sources are arranged in a corn shape, which solves the problem of the luminescence of a single LED light source.
  • the problem of limited angles enables the entire LED to emit light to 360°, and the light distribution is more uniform.
  • the LED light source emits uniform light, has no focus, and cannot be adjusted for positions that require more illumination, and the light emission is limited.
  • the present invention provides an adjustable lamp, the key position of which can be adjusted according to the needs of users.
  • An angle-adjustable lamp including a lamp body, a lamp cap, a radiator, a connecting rod and a light-transmitting cover;
  • the radiator is rotatably connected with the side wall of the lamp body through a connecting rod, and the radiator is rotationally symmetrically distributed around the longitudinal center axis of the lamp body;
  • the translucent cover is arranged on the side of the radiator away from the lamp body.
  • the angle between the translucent cover and the lamp body changes accordingly.
  • the light emitting angle also changes accordingly.
  • the side surface of the lamp body respectively extends two lugs corresponding to the position of each radiator, and the side of the radiator facing the lamp body has a connecting piece;
  • the parts are respectively provided with relief holes; the connecting rod passes through the lugs and the relief holes of the connecting piece and then connects with the plug.
  • the surface of the heat sink is provided with a grid-shaped heat dissipation hole.
  • the number of the radiators is three, the radiators are fan-shaped, and the inner edges of the radiators are provided with relief arcs, and the three radiators 3 are spaced apart in the circumferential direction;
  • An installation groove is integrally formed on the radiator, and an LED light source board and a transparent cover are sequentially assembled in the installation groove.
  • the three radiators can be rotated to different positions relative to the lamp body to form a flat light source, a vertical light source, or a multi-faceted light source.
  • the edge of the radiator mounting groove is provided with positioning cards
  • the corresponding LED light source board is provided with positioning grooves 321
  • the four corners of the transparent cover are provided with positioning pillars.
  • the present invention provides a lamp with adjustable angle. For places where more light is required from other angles, it can be adjusted freely by rotating the radiator, and then changing the angle between the light output cover and the lamp body, such as in an exhibition hall , Some locations need to give more light to the murals on the wall, and some locations only need more light to the passage of visitors, which can be achieved by adjusting the angle of the lamps.
  • Figure 1 shows a top view of the adjustable angle lamp of Embodiment 1;
  • Figure 2 shows a front view of the adjustable angle lamp of Embodiment 1;
  • Figure 3 illustrates a partial three-dimensional exploded view of the adjustable angle lamp of Embodiment 1;
  • Fig. 5 shows a schematic diagram of the structure of the angle-adjustable lamp in the second embodiment
  • Figure 6 shows a schematic structural diagram of the angle-adjustable lamp in Example 3.
  • Embodiment 1 please refer to Figures 1 to 4, a lamp with adjustable angle, including a lamp body 4, a radiator 3, a connecting rod 2 and a light-transmitting cover 7.
  • the radiator 3 is rotatably connected to the side wall of the lamp body 4 through the connecting rod 2, and the radiator 3 is rotationally symmetrically distributed around the longitudinal center axis of the lamp body 4;
  • the translucent cover 7 is arranged on the side of the radiator 3 away from the lamp body 4.
  • the angle between the translucent cover 7 and the lamp body 4 changes accordingly.
  • the light exit angle of the light transmitted through the transparent cover 7 also changes accordingly.
  • the side surface of the lamp body 4 respectively extends two lugs 8 at the position corresponding to each radiator 3, and the side of the radiator 3 facing the lamp body has
  • the connecting piece 9; the lug 8 and the connecting piece 9 are respectively provided with a relief hole; the connecting rod 2 passes through the relief hole of the lug 8 and the connecting piece 9 and is connected to the plug 1.
  • the surface of the heat sink 3 is provided with a grid-shaped heat dissipation hole.
  • radiators 3 there are three radiators 3, the radiators 3 are fan-shaped, and the inner edges of the radiators 3 are provided with a giving way arc 33, and the three radiators 3 are spaced in the circumferential direction to facilitate the rotation of the radiators 3.
  • the heat sink 3 is integrally formed with a mounting groove 31, and an LED light source board 32 and a light transmissive cover 7 are sequentially assembled in the mounting groove 31 and fixed with screws 6.
  • a positioning card 311 is provided on the edge of the installation groove 31, and a positioning groove 321 is provided on the corresponding LED light source board 32; and the four corners of the transparent cover 7 are provided with positioning pillars 71.
  • the three heat sinks 3 can be rotated to different positions relative to the lamp body to form a planar light source (see FIG. 3), an elevation light source (see FIG. 2), or a multi-faceted light source (see FIG. 4).
  • the angle-adjustable lamp of the present invention can be adjusted freely by rotating the radiator where more light is needed from other angles, and then changing the angle between the light-emitting cover and the lamp body. For example, in an exhibition hall, some positions need to be adjusted freely. Give more light to the murals on the wall, some locations only need more light to the passage of visitors, which can be achieved by adjusting the angle of the lamps. In this way, it is possible to realize the free adjustment of the key lighting area under the premise of 360° light emission.
  • Fig. 5 Please refer to Fig. 5.
  • the difference between an adjustable angle lamp and the first embodiment is that there are two heat sinks 3, which are distributed rotationally symmetrically around the longitudinal center axis of the lamp body 4.
  • Embodiment 3 please refer to FIG. 6.
  • the difference between an adjustable angle lamp and Embodiment 1 is that the number of heat sinks 3 is four, which are distributed rotationally symmetrically around the longitudinal center axis of the lamp body 4.
  • the radiator 3 of an adjustable angle lamp of the present invention generally has 2-5; the lamp holder 5 may be a screw-on type or a snap-on type.
  • adjustable angle lamp when the radiator rotates around the connecting rod, the angle between the transparent cover and the lamp body changes accordingly, and the light exit angle of the light transmitted through the transparent cover also changes.
  • the above-mentioned adjustable lamp can be adjusted according to the user's needs by adjusting the key position of the lighting. It is convenient to use, simple in structure, and has good industrial practicability.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种可调节角度的灯具，包括灯体（4）、散热器（3）、连接杆（2）和透光罩（7）。散热器（3）通过连接杆（2）与灯体（4）的侧壁转动连接，并且散热器（3）绕着灯体（4）的纵向中轴线呈旋转对称分布；透光罩（7）设置在散热器（3）远离灯体（4）的一侧，散热器（3）绕着连接杆（2）转动时，透光罩（7）与灯体（4）之间的角度随之改变，通过透光罩（7）透射出的光线的出光角度也随之改变。这种可调节角度的灯具的照明重点位置可以根据用户需要自行调节。

Description

一种可调节角度的灯具 技术领域
本发明涉及发光领域，尤其涉及一种可调节角度的灯具。
背景技术
现有的发光的灯具，如CN103527963，包括灯座和驱动电路板，驱动电路板设于灯座上，所述驱动电路板包括六块长方形面板和一块圆形面板，所述六块长方形面板合围成圆柱状，圆柱一端固定于灯座上，圆形面板固定于圆柱另一端，所述长方形面板和圆形面板上均匀分布有LED光源，LED光源排列组成玉米状，解决了单个LED光源的发光角度有限的问题，使整个LED能向360°发光，光线分布更均匀。但该LED光源发光均匀，没有侧重点，对于需要更多照明的位置无法调节，发光单一受限。
发明内容
本发明提供了一种可调节的灯具，其照明重点位置可以根据用户需要自行调节。
本发明解决其技术问题的所采用的技术方案是：
一种可调节角度的灯具，包括灯体、灯头、散热器，连接杆和透光罩；
所述散热器通过连接杆与灯体的侧壁转动连接，并且散热器绕着 灯体的纵向中轴线呈旋转对称分布；
所述透光罩设置在散热器远离灯体的一侧，所述散热器绕着连接杆转动时，所述透光罩与灯体之间的角度随之改变，通过透光罩透射出的光线出光角度也随之改变。
在一较佳实施例中：所述灯体的侧面在对应每一个散热器的位置分别延伸出两个凸耳，所述散热器朝向灯体的一侧具有连接件；所述凸耳、连接件分别设置有让位孔；所述连接杆穿过凸耳和连接件的让位孔后与堵头连接。
在一较佳实施例中：所述散热器的表面设置有格栅状的散热孔.
在一较佳实施例中：所述散热器为3个，散热器为扇形，其内边缘设有让位圆弧，3个散热器3周向均有一间距；
所述散热器上一体成型有安装槽，安装槽内依次装配有LED光源板、透光罩。
在一较佳实施例中：所述3个散热器可相对灯体转动至不同位置，形成平面光源、立面光源、或多面光源。
在一较佳实施例中：所述散热器安装槽的边缘设有定位卡，相应的LED光源板设有定位槽321；所述透光罩的四角均设有定位支柱。
本技术方案与背景技术相比，它具有如下优点：
本发明提供了一种可调节角度的灯具，对于其他角度需要更多光照射的地方，其可以通过转动散热器，进而改变出光罩和灯体之间的角度来实现自由调节，如在展厅里，有些位置需要对墙壁上的壁画给与更多的光，有些位置只需要对来访人员的通道更多的光，即可通过 调节灯具角度来实现。
附图说明
图1绘示了实施例1可调节角度的灯具的俯视图；
图2绘示了实施例1可调节角度的灯具的正视图；
图3绘示了实施例1可调节角度的灯具的部分立体分解图；
图4绘示了实施例1可调节角度的灯具的单片散热器收起状态结构示意图；
图5绘示了实施例2可调节角度的灯具的结构示意图；
图6绘示了实施例3可调节角度的灯具的结构示意图.
标号说明：堵头—1，连接杆—2，散热器—3，安装槽—31，LED光源板32，灯体—4，灯头—5，螺丝—6，透光罩—7，凸耳-8，连接件-9。
具体实施方式
下面结合附图和具体实施方式对本发明作进一步说明。
实施例1，请查阅图1-图4，一种可调节角度的灯具，包括灯体4，散热器3，连接杆2和透光罩7。
所述散热器3通过连接杆2与灯体4的侧壁转动连接，并且散热器3绕着灯体4的纵向中轴线呈旋转对称分布；
所述透光罩7设置在散热器3远离灯体4的一侧，所述散热器3绕着连接杆2转动时，所述透光罩7与灯体4之间的角度随之改变， 通过透光罩7透射出的光线出光角度也随之改变。
为了实现灯体4和散热器3的转动连接，所述灯体4的侧面在对应每一个散热器3的位置分别延伸出两个凸耳8，所述散热器3朝向灯体的一侧具有连接件9；所述凸耳8、连接件9分别设置有让位孔；所述连接杆2穿过凸耳8和连接件9的让位孔后与堵头1连接。
本实施例中，所述散热器3的表面设置有格栅状的散热孔。
本实施例中，所述散热器3为3个，散热器3为扇形，其内边缘设有让位圆弧33，且3个散热器3周向均有一间距，以方便散热器3转到。
所述散热器3上一体成型有安装槽31，安装槽31内依次装配有LED光源板32、透光罩7，并用螺丝6固定。为安装方便，安装槽31的边缘设有定位卡311，相应的LED光源板32设有定位槽321；所述透光罩7的四角均设有定位支柱71。
本实施例中，所述3个散热器3可相对灯体转动至不同位置，形成平面光源(参见图3)、立面光源(参见图2)、或多面光源(参见图4)。
本发明可调节角度的灯具，对于其他角度需要更多光照射的地方，其可以通过转动散热器，进而改变出光罩和灯体之间的角度来实现自由调节，如在展厅里，有些位置需要对墙壁上的壁画给与更多的光，有些位置只需要对来访人员的通道更多的光，即可通过调节灯具角度来实现。这样就可以实现在360°出光的前提下，实现了重点照明区域的自由调节。
实施例2，，请查阅图5，一种可调节角度的灯具与实施例1不同之处在于所述散热器3为2个，绕着灯体4的纵向中轴线呈旋转对称分布。
实施例3，请查阅图6，一种可调节角度的灯具与实施例1不同之处在于所述散热器3为4个，绕着灯体4的纵向中轴线呈旋转对称分布。
本发明一种可调节角度的灯具的散热器3一般为2-5个；所述灯头5可以是旋接式、卡接式。
以上所述，仅为本发明较佳实施例而已，故不能依此限定本发明实施的范围，即依本发明专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明涵盖的范围内。
工业实用性
本一种可调节角度的灯具，其散热器绕着连接杆转动时，所述透光罩与灯体之间的角度随之改变，通过透光罩透射出的光线出光角度也随之改变。上述的可调节的灯具，其照明重点位置可以根据用户需要自行调节，使用方便、结构简单，具有良好的工业实用性。

Claims (7)

  1. 一种可调节角度的灯具，其特征在于：包括灯体，散热器，连接杆和透光罩；
    所述散热器通过连接杆与灯体的侧壁转动连接，并且散热器绕着灯体的纵向中轴线呈旋转对称分布；
    所述透光罩设置在散热器远离灯体的一侧，所述散热器绕着连接杆转动时，所述透光罩与灯体之间的角度随之改变，通过透光罩透射出的光线出光角度也随之改变。
  2. 根据权利要求1所述的一种可调节角度的灯具，其特征在于：所述灯体的侧面在对应每一个散热器的位置分别延伸出两个凸耳，所述散热器朝向灯体的一侧具有连接件；所述凸耳、连接件分别设置有让位孔；所述连接杆穿过凸耳和连接件的让位孔后与堵头连接。
  3. 根据权利要求1所述的一种可调节角度的灯具，其特征在于：所述散热器的表面设置有格栅状的散热孔。
  4. 据权利要求2或3所述的一种可调节角度的灯具，其特征在于：所述散热器为2-5个，绕着灯体的纵向中轴线呈旋转对称分布。
  5. 据权利要求4所述的一种可调节角度的灯具，其特征在于：所述散热器为3个，散热器为扇形，其内边缘设有让位圆弧，3个散热器3周向均有一间距；
    所述散热器上一体成型有安装槽，安装槽内依次装配有LED光源板、透光罩。
  6. 据权利要求5所述的一种可调节角度的灯具，其特征在于： 所述3个散热器可相对灯体转动至不同位置，形成平面光源、立面光源、或多面光源。
  7. 据权利要求5所述的一种可调节角度的灯具，其特征在于：所述散热器安装槽的边缘设有定位卡，相应的LED光源板设有定位槽321；所述透光罩的四角均设有定位支柱。
PCT/CN2021/077260 2020-02-25 2021-02-22 一种可调节角度的灯具 WO2021169921A1 (zh)

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US17/881,164 US11703205B2 (en) 2020-02-25 2022-08-04 Angle-adjusted lamp

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CN202020206221.5 2020-02-25
CN202020206221.5U CN211600385U (zh) 2020-02-25 2020-02-25 一种可调节角度的灯具

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