WO2017113067A1 - 一种led吸顶灯 - Google Patents

一种led吸顶灯 Download PDF

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Publication number
WO2017113067A1
WO2017113067A1 PCT/CN2015/099240 CN2015099240W WO2017113067A1 WO 2017113067 A1 WO2017113067 A1 WO 2017113067A1 CN 2015099240 W CN2015099240 W CN 2015099240W WO 2017113067 A1 WO2017113067 A1 WO 2017113067A1
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WO
WIPO (PCT)
Prior art keywords
led
lamp
chassis
recess
circuit board
Prior art date
Application number
PCT/CN2015/099240
Other languages
English (en)
French (fr)
Inventor
黄鹤鸣
许国伟
陈传富
Original Assignee
深圳市聚作照明股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市聚作照明股份有限公司 filed Critical 深圳市聚作照明股份有限公司
Priority to PCT/CN2015/099240 priority Critical patent/WO2017113067A1/zh
Priority to CN201590000107.4U priority patent/CN206459106U/zh
Publication of WO2017113067A1 publication Critical patent/WO2017113067A1/zh

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Classifications

    • 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

Definitions

  • the present application relates to the field of LED lamps, and in particular to an LED ceiling lamp.
  • LED lighting products are extremely energy efficient, and some public lighting and shopping mall lighting have popularized LED lighting.
  • the ceiling lamp generally has no chassis or only a flat chassis.
  • the driving power of the lamp is directly mounted on the flat chassis.
  • the driving power source as the heat source is too close to the lamp bead and the lamp cover, so that the setting space of the lamp bead is limited and too Close to the heat source, resulting in low reliability and short life.
  • the present application aims to provide a reliable LED ceiling lamp, which aims to solve the problem that the conventional ceiling lamp bead is limited in space and is too close to the heat source.
  • the present application provides an LED ceiling lamp, including:
  • a chassis mounted on the socket the chassis is provided with a first recess recessed toward the socket;
  • a driving circuit board mounted on the chassis, located at the a non-isolated switching power supply circuit is disposed on the driving circuit board in a recess;
  • an LED substrate fixed on the chassis the LED substrate is mounted with at least one LED lamp bead;
  • a lamp cover detachably mounted on the chassis by a card fastener the LED The substrate is covered.
  • the LED substrate covers the first groove.
  • the chassis is provided with a second recess recessed toward the socket at the edge, the second recess is provided with a card hole, and the lamp cover passes through the clip fastener Removably snapped into the card hole, the leg fastener and the edge of the lamp cover are received in the second groove.
  • the edge of the chassis is provided with a bead extending in the direction of the lampshade, the bead being used for the edge of the lampshade.
  • the lampshade is an acrylic lampshade.
  • the LED substrate is electrically connected to the driving circuit board through a wire.
  • the method further includes a Mylar sheet and a spacer, the driving circuit board is mounted on the Mylar sheet, and the Mylar sheet is detachably engaged with the first recess through the spacer Through hole in the slot.
  • the above LED ceiling lamp receives the driving circuit board by providing a groove in the chassis, and the LED substrate of the lamp is not in the same plane as the driving circuit board, so that the installation space of the LED substrate is greatly released, and the lamp bead is randomly placed, The LED lamp beads are far away from the heat source, which improves the reliability and service life of the lamp.
  • the lamp cover is detachably mounted on the chassis by the leg fasteners, and the lamp cover can be easily removed.
  • FIG. 1 is a schematic view showing an explosion structure of an LED ceiling lamp in a preferred embodiment of the present application
  • FIG. 2 is a schematic structural view of a chassis of the LED ceiling lamp shown in FIG. 1.
  • the present application provides an LED ceiling lamp, including a lamp holder 10, a chassis 20, a driving circuit board 30, an LED substrate 40, a lamp cover 50, and a lamp cover. 60.
  • a power cord 11 is disposed on the socket 10.
  • the chassis 20 is mounted on the socket 10, and the chassis 20 of the special structure is provided with a first recess 21 recessed toward the socket 10; the driving circuit board 30 is mounted on the chassis 20 and located in the first recess 21.
  • Installed on the driving circuit board 30 is a non-isolated switching power supply circuit for driving the LED lamp with high conversion efficiency, and the power supply adopts a non-isolated power supply to output a constant current.
  • the LED ceiling lamp further includes a Mylar sheet 70 and a spacer column 80.
  • the driving circuit board 30 is mounted on the Mylar sheet 70 by screws 31, and the Mylar sheet 70 is detachably carded through the spacer column 80.
  • the first groove 21 is an annular groove having the same shape as the chassis 20; in other embodiments, the first groove 21 may be a rectangular groove capable of accommodating the driving circuit board 30.
  • the LED substrate 40 is fixed to the chassis 20 by screws 31.
  • the LED substrate 40 covers the first recess 21, i.e., may not be fully covered.
  • the LED substrate 40 is modular, and the LED substrate 40 is attached with at least one high-efficiency LED lamp bead 41.
  • the LED substrate 40 is electrically connected to the driving circuit board 30 through the wiring 90. Different LED light source substrates can be selected according to different lighting requirements, or the LED substrate 40 can be selected by changing the number of LED strings, that is, different power, light efficiency, color rendering index, and the like can be selected.
  • the lampshade cover 50 is mounted on the LED substrate 40 by screws 31, and the LED lamp bead 41 is covered.
  • the lampshade cover 50 is integrally formed by using a high transmittance PC material, and the LED lamp bead 41 is protected on the lamp. Light type and the role of preventing human body electric shock.
  • the lamp cover 60 is detachably mounted to the chassis 20 by the leg fasteners 25, and the LED substrate 40 and the lamp cover 50 are covered.
  • the lamp cover 60 can be an acrylic lamp cover 60.
  • the clip fastener 25 is provided with a different shape of the acrylic lamp cover 60 for aesthetic and diffused light effects.
  • the lamp cover 60 is detachably mounted to the chassis 20 by the leg fasteners 25, and the lamp cover 20 can be easily attached and detached.
  • the chassis 20 is disposed outside the first recess 21, that is, the edge of the chassis 20 is provided with a second recess 22 recessed toward the socket 10, and the second recess 22 is provided with a card.
  • the foot hole 221, the lamp cover 60 is detachably engaged with the card hole 221 through the leg fastener 25, and the edge of the leg fastener 25 and the lamp cover 60 is received in the second recess 22.
  • the first groove 21 is the same shape as the lamp cover 60; in other embodiments, the shape of the first groove 21 may be different in shape according to the shape of the lamp cover 60.
  • the edge of the chassis 20 is provided with a bead 24 extending in the direction of the lamp cover 60 for crimping the edge of the lamp cover 60.
  • the lamp cover 60 is an acrylic lamp cover 60.
  • the inner ring of the chassis 20 of the present application has a large first recess 21, and a plurality of through holes 211 in the plane of the first recess 21 for mounting the spacers 80, and the conventional conventional LEDs
  • the ceiling lamp chassis has no groove, and is a flat surface.
  • the plane of the power supply circuit board is the same as the plane of the LED substrate of the device. The distance between the power supply circuit board and the lamp bead and the lamp cover is too close, so that the installation space of the lamp bead is limited. And too close to the heat source, resulting in low reliability and short life.
  • the outer ring of the chassis 20 of the present application also has a second recess 22, and the second recess 22 has a latching hole 221 for mounting the clip fastener 25, and the second recess 22 is mounted.
  • the LED bead 41 is illuminated to the card fasteners 25 and does not create a shadow on the acrylic lamp cover 60.
  • the two grooves 21 and 22, the through hole 211 and the pin hole 221 are crimped, and the outer edge curling edge 24 is integrally formed, so that the structure of the entire lamp is assembled, and the modular lamp board is very compatible. Easy to assemble and produce.
  • the above-mentioned LED ceiling lamp receives the driving circuit board 30 by providing a groove in the chassis 20, and the LE D substrate 40 of the lamp is not in the same plane as the driving circuit board 30, so that the installation space of the LED substrate 40 is greatly released, and the lamp bead is provided. Arbitrarily placed, the LED lamp bead 41 and away from the heat source, improve the reliability and service life of the lamp

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (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吸顶灯，包括：灯座(10)；底盘(20)，底盘(20)开设有向灯座(10)方向凹陷的第一凹槽(21)；驱动电路板(30)，位于第一凹槽(21)内，驱动电路板(30)上设置有非隔离开关电源电路；LED基板(40)，固定于底盘(20)上，LED基板(40)贴装有至少一个LED灯珠(41)；灯罩(60)，通过卡脚扣件(25)可拆卸地安装于底盘(20)上，将LED基板(40)、护灯罩(50)覆盖在内。通过在底盘(20)设置第一凹槽(21)将驱动电路板(30)收容在内，灯具的LED基板(40)与驱动电路板(30)不在同一平面，使得LED基板(40)设置空间大大释放，LED灯珠(41)任意摆放，同时LED灯珠(41)远离了发热源，提高了灯具的可靠性和使用寿命。

Description

说明书 发明名称：一种 LED吸顶灯
技术领域
[0001] 本申请涉及 LED灯具领域， 特别是涉及一种 LED吸顶灯。
背景技术
[0002] LED照明产品极具节能效益， 一些公共照明及商场照明已大量普及 LED照明。
目前的吸顶灯一般没有底盘或只设置平面底盘， 灯具的驱动电源与直接安装在 平面底盘上， 作为发热源的驱动电源与灯珠和灯罩的距离过于靠近， 使得灯珠 的设置空间局限且过于靠近发热源， 导致灯具的可靠性不高， 寿命短。 另外， 驱动电源平面底盘在安装或置换灯罩吋不方便， 而且会使得灯珠在照射到安装 结构吋， 会在灯罩上产生暗影。
技术问题
[0003] 本申请目的在于提供一种可靠的 LED吸顶灯， 旨在解决传统的吸顶灯灯珠的设 置空间局限且过于靠近发热源的问题。
问题的解决方案
技术解决方案
[0004] 本申请提供了一种 LED吸顶灯， 包括：
[0005] 灯座；
[0006] 底盘， 安装于所述灯座上， 所述底盘幵设有向所述灯座方向凹陷的第一凹槽； [0007] 驱动电路板， 安装于所述底盘上， 位于所述第一凹槽内， 所述驱动电路板上设 置有非隔离幵关电源电路；
[0008] LED基板， 固定于所述底盘上， 所述 LED基板贴装有至少一个 LED灯珠； [0009] 灯罩， 通过卡脚扣件可拆卸地安装与所述底盘上， 将所述 LED基板覆盖在内。
[0010] 优选地， 所述 LED基板将所述第一凹槽覆盖。
[0011] 优选地， 所述底盘于边缘幵设有向所述灯座方向凹陷的第二凹槽， 所述第二凹 槽幵设有卡脚孔， 所述灯罩通过所述卡脚扣件可拆卸地卡接于所述卡脚孔， 所 述卡脚扣件及所述灯罩的边缘被收容于所述第二凹槽内。 [0012] 优选地， 所述底盘的边缘设置有向所述灯罩方向延伸的卷边， 所述卷边用于将 所述灯罩的边缘。
[0013] 优选地， 所述灯罩为压克力灯罩。
[0014] 优选地， 所述 LED基板通过排线与所述驱动电路板电连接。
[0015] 优选地， 还包括麦拉片及隔离柱， 所述驱动电路板的安装于所述麦拉片上， 所 述麦拉片通过所述隔离柱可拆卸地卡接于所述第一凹槽上的通孔。
发明的有益效果
有益效果
[0016] 上述的 LED吸顶灯通过在底盘设置凹槽将驱动电路板收容在内， 灯具的 LED基 板与驱动电路板不在同一平面， 使得 LED基板设置空间大大释放， 灯珠任意摆放 ， 同吋 LED灯珠与远离了发热源， 提高了灯具的可靠性和使用寿命。 另外， 灯罩 通过卡脚扣件可拆卸地安装与底盘上， 可方便拆装灯罩。
对附图的简要说明
附图说明
[0017] 图 1为本申请较佳实施例中 LED吸顶灯的爆炸结构示意图；
[0018] 图 2为图 1所示 LED吸顶灯中底盘的结构示意图。
本发明的实施方式
[0019] 为了使本申请要解决的技术问题、 技术方案及有益效果更加清楚明白， 以下结 合附图及实施例， 对本申请进行进一步详细说明。 应当理解， 此处所描述的具 体实施例仅仅用以解释本申请， 并不用于限定本申请。
[0020] 请参阅图 1及图 2， 本申请较佳实施例中本申请提供了一种 LED吸顶灯， 包括灯 座 10、 底盘 20、 驱动电路板 30、 LED基板 40、 护灯罩 50及灯罩 60。
[0021] 灯座 10上设有电源线 11。 底盘 20安装于灯座 10上， 特殊结构的底盘 20幵设有向 灯座 10方向凹陷的第一凹槽 21 ; 驱动电路板 30安装于底盘 20上， 位于第一凹槽 2 1内。 驱动电路板 30上安装的是用于驱动 LED灯的、 高转换效率的非隔离幵关电 源电路， 电源采用非隔离电源， 输出恒定电流。 [0022] 本实施例中， LED吸顶灯还包括麦拉片 70及隔离柱 80， 驱动电路板 30的通过螺 钉 31安装于麦拉片 70上， 麦拉片 70通过隔离柱 80可拆卸地卡接于第一凹槽 21上 的通孔 211。 另外， 第一凹槽 21为与底盘 20形状相同环形凹槽； 在其他实施方式 中， 第一凹槽 21可以是能收容驱动电路板 30的矩形凹槽。
[0023] LED基板 40通过螺钉 31固定于底盘 20上。 优选地， LED基板 40将第一凹槽 21覆 盖， 即也可以不是全覆盖。 LED基板 40为模块化， LED基板 40贴装有至少一个高 光效的 LED灯珠 41。 LED基板 40通过排线 90与驱动电路板 30电连接。 可以根据不 同的照明要求选择不同的 LED光源基板， 或 LED基板 40通过更改 LED串并数， 即 可选择不同的功率、 光效、 显色指数等。
[0024] 护灯罩 50通过螺钉 31安装于 LED基板 40上， 将 LED灯珠 41覆盖在内， 护灯罩 50 使用高透光率 PC材料一体成型， 在灯具上起到保护 LED灯珠 41、 调整光型和防 止人体触电的作用。
[0025] 灯罩 60通过卡脚扣件 25可拆卸地安装与底盘 20上， 将 LED基板 40和护灯罩 50覆 盖在内。 灯罩 60可以为压克力灯罩 60。 另外， 卡脚扣件 25装上不同造型的压克 力灯罩 60， 起到美观和扩散光的效果。 灯罩 60通过卡脚扣件 25可拆卸地安装与 底盘 20上， 可方便拆装灯罩 20。
[0026] 在进一步的实施例中， 底盘 20于第一凹槽 21外， 即底盘 20的边缘幵设有向灯座 10方向凹陷的第二凹槽 22， 第二凹槽 22幵设有卡脚孔 221， 灯罩 60通过卡脚扣件 25可拆卸地卡接于卡脚孔 221， 卡脚扣件 25及灯罩 60的边缘被收容于第二凹槽 22 内。 本实施例中， 第一凹槽 21为与灯罩 60形状相同环形凹槽； 在其他实施方式 中， 第一凹槽 21的形状可以根据灯罩 60形状而设计不同形状。
[0027] 再进一步， 底盘 20的边缘设置有向灯罩 60方向延伸的卷边 24， 卷边 24用于将灯 罩 60的边缘。 优选地， 灯罩 60为压克力灯罩 60。
[0028] 本申请的底盘 20的内圈有一个大的第一凹槽 21， 第一凹槽 21内的平面上有若干 个个可以安装隔离柱 80的通孔 211， 而一般的传统的 LED吸顶灯底盘没有凹槽， 为一个平面， 置装幵关电源电路板的平面与装置 LED基板的平面相同， 幵关电源 电路板与灯珠和灯罩的距离过于靠近， 使得灯珠的设置空间局限且过于靠近发 热源， 导致灯具的可靠性不高， 寿命短。 [0029] 另外， 本申请的底盘 20的外圈也有一个第二凹槽 22， 第二凹槽 22有安装卡脚扣 件 25的卡脚孔 221， 由于有了第二凹槽 22， 装上卡脚扣件 25后， LED灯珠 41发光 照到卡脚扣件 25上不会在压克力灯罩 60上产生暗影。
[0030] 再者， 上述的两个凹槽 21和 22， 通孔 211及卡脚孔 221卷边， 以及外边延卷边 24 采用一体成型， 使得整个灯具的结构装配， 配合模块化灯板非常方便组装和生 产。
[0031] 上述的 LED吸顶灯通过在底盘 20设置凹槽将驱动电路板 30收容在内， 灯具的 LE D基板 40与驱动电路板 30不在同一平面， 使得 LED基板 40设置空间大大释放， 灯 珠任意摆放， 同吋 LED灯珠 41与远离了发热源， 提高了灯具的可靠性和使用寿命
[0032] 以上所述仅为本申请的较佳实施例而已， 并不用以限制本申请， 凡在本申请的 精神和原则之内所作的任何修改、 等同替换和改进等， 均应包含在本申请的保 护范围之内。

Claims

权利要求书
一种 LED吸顶灯， 其特征在于， 包括：
灯座；
底盘， 安装于所述灯座上， 所述底盘幵设有向所述灯座方向凹陷的第 一凹槽； 驱动电路板， 安装于所述底盘上， 位于所述第一凹槽内， 所述驱动电 路板上设置有非隔离幵关电源电路；
LED基板， 固定于所述底盘上， 所述 LED基板贴装有至少一个 LED灯 珠；
灯罩， 通过卡脚扣件可拆卸地安装与所述底盘上， 将所述 LED基板覆 盖在内。
如权利要求 1所述的 LED吸顶灯， 其特征在于， 所述 LED基板将所述 第一凹槽覆盖。
如权利要求 1所述的 LED吸顶灯， 其特征在于， 所述底盘于边缘幵设 有向所述灯座方向凹陷的第二凹槽， 所述第二凹槽幵设有卡脚孔， 所 述灯罩通过所述卡脚扣件可拆卸地卡接于所述卡脚孔， 所述卡脚扣件 及所述灯罩的边缘被收容于所述第二凹槽内。
如权利要求 1、 2或 3所述的 LED吸顶灯， 其特征在于， 所述底盘的边 缘设置有向所述灯罩方向延伸的卷边， 所述卷边用于将所述灯罩的边
[权利要求 5] 如权利要求 1所述的 LED吸顶灯， 其特征在于， 所述灯罩为压克力灯 罩。
[权利要求 6] 如权利要求 1所述的 LED吸顶灯， 其特征在于， 所述 LED基板通过排 线与所述驱动电路板电连接。
[权利要求 7] 如权利要求 1所述的 LED吸顶灯， 其特征在于， 还包括麦拉片及隔离 柱， 所述驱动电路板的安装于所述麦拉片上， 所述麦拉片通过所述隔 离柱可拆卸地卡接于所述第一凹槽上的通孔。
PCT/CN2015/099240 2015-12-28 2015-12-28 一种led吸顶灯 WO2017113067A1 (zh)

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CN201590000107.4U CN206459106U (zh) 2015-12-28 2015-12-28 一种led吸顶灯

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Publication number Priority date Publication date Assignee Title
TWI586918B (zh) * 2015-11-20 2017-06-11 LED explosion-proof lamp cover
CN109323171A (zh) * 2018-10-20 2019-02-12 深圳和而泰智能控制股份有限公司 光学模组以及具有该光学模组的洗碗机

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