WO2014173188A1 - 一种反光杯、反光杯制造方法及其应用反光杯的led灯 - Google Patents

一种反光杯、反光杯制造方法及其应用反光杯的led灯 Download PDF

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WO2014173188A1
WO2014173188A1 PCT/CN2014/070080 CN2014070080W WO2014173188A1 WO 2014173188 A1 WO2014173188 A1 WO 2014173188A1 CN 2014070080 W CN2014070080 W CN 2014070080W WO 2014173188 A1 WO2014173188 A1 WO 2014173188A1
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Prior art keywords
cup
reflector
mounting
led
opening
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PCT/CN2014/070080
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English (en)
French (fr)
Inventor
刘云平
王金祥
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上海厚睦莱电器科技有限公司
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Priority claimed from CN201310142974.9A external-priority patent/CN104108155A/zh
Priority claimed from CN 201320205867 external-priority patent/CN203273707U/zh
Application filed by 上海厚睦莱电器科技有限公司 filed Critical 上海厚睦莱电器科技有限公司
Publication of WO2014173188A1 publication Critical patent/WO2014173188A1/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
    • F21K9/233—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 a spot light distribution, e.g. for substitution of reflector lamps
    • 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
    • F21K9/90—Methods of manufacture
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • 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 LED devices, in particular to a reflector cup, a reflector manufacturing method and an LED lamp using the same.
  • LEDs are used more and more widely in daily life, well-known, usually LED lamps Or LED energy-saving lamps
  • a kind of valley paper is used to achieve the reflective effect to increase the output luminous flux, but the valley paper is expensive and difficult to process.
  • the valley paper is processed in two ways: die-cutting after hot-pressing or Direct die cutting, dimensional tolerance is not easy to control and the shape is greatly limited, and the production speed is slow, the defective rate is very high, and the ordinary plastic injection molded reflector can not achieve the reflective efficiency of more than 95%, so a new type of utilization is needed at present.
  • the special PC reflective plastic pellets are injection molded into a reflective cup to solve the above problems.
  • An object of the present invention is to provide a reflector which is easy to process, has an unrestricted shape, a high production speed, a high yield, and a high reflectance.
  • a method of manufacturing a reflector comprising:
  • the melting temperature of the PC reflective plastic pellets is from 200 degrees to 300 degrees;
  • the injection molding time in the injection molding into the mold is 1 SEC to 5 SEC, the injection temperature is 200 to 300 degrees, and the holding time in the holding pressure is 0.5 SEC to 1 SEC, the holding pressure is 120KG; the cooling system in which the cooling system is turned on for cooling is cooled by a waterway, and the cooling time is 2 sec.
  • the utility model relates to a reflective cup which is injection-molded by using PC reflective plastic pellets, characterized in that it comprises a cup body and a cup bottom, the cup body is open at the bottom, the bottom of the cup is open, the bottom of the cup is provided with a mounting foot, and the mounting leg is provided with a mounting hole.
  • the cross section of the cup has a trapezoidal shape.
  • the shape of the inner wall of the cup of the reflector is such that a diagonal line is defined and the oblique line is rotated around a vertical line passing through the center of the bottom opening of the cup.
  • the number of the mounting legs is one or more, and the thickness of the reflector is 0.2 mm or more.
  • the mounting feet are equally distributed on the bottom of the cup.
  • the lower plane of the mounting foot is at the same level as the lower plane of the cup.
  • An LED lamp using a reflector comprising a base, an LED and a lamp cover, the base having a groove, the LED being mounted on the bottom of the groove, wherein the inner wall of the groove is provided a reflective cup injection molded from a PC reflective plastic pellet, the reflector cup comprising a cup body and a cup bottom, the cup body opening, the bottom of the cup opening, the bottom of the cup is provided with a mounting leg, and the mounting leg is provided with a mounting hole, the cup body
  • the shape of the cross section is trapezoidal, the diameter of the light exit opening of the reflector is larger than the diameter of the LED mounting opening, and the lower plane of the recess on the base is provided with a mounting hole that cooperates with the mounting leg.
  • the shape of the inner wall of the cup of the reflector is such that a diagonal line is defined and the oblique line is rotated around a vertical line passing through the center of the bottom opening of the cup.
  • the number of mounting legs of the reflector is one or more, the mounting feet are equally distributed on the bottom of the cup; the thickness of the reflector is 0.2 mm or more; The plane is lower than the upper plane of the LED base, and the lower plane of the lampshade coincides with the upper plane of the reflector.
  • the method for manufacturing the reflector cup provided by the embodiment of the invention adopts a reflector made of PC reflective plastic pellets, which is easy to process and shape, has unlimited shape, high production speed, high yield and high reflectivity of 95%. .
  • the method for manufacturing the reflector cup provided by the embodiment of the invention adopts a reflector made of PC reflective plastic pellets, which is easy to process and shape, has unlimited shape, high production speed, high yield and high reflectivity of 95%. .
  • Figure 1 is a perspective view showing the structure of a reflector of the present invention
  • Figure 1a is a front elevational view of Figure 1 of the present invention
  • Figure 1b is a plan view of Figure 1 of the present invention.
  • FIG. 2 is a schematic view showing the assembly of an LED reflector of the present invention
  • Figure 2a is a schematic view of the reflector of Figure 2 after installation of the present invention
  • FIG. 2b is a schematic structural view of an LED reflector of FIG. 2 after the LED reflector is completely installed.
  • Step S1 melting the PC high reflective plastic grain
  • the PC high reflective plastic pellets have a melting temperature of 200 to 300 degrees.
  • Step S2 injection molding into a mold
  • the molten PC reflective plastic pellets are injected into the mold through a casting system, and the injection time is 1SEC to 5 SEC, injection temperature is 200 to 300 degrees.
  • Step S3 performing pressure holding
  • the pressure is maintained in the mold, the holding time is 0.5 SEC to 1 SEC, and the holding pressure is 120 KG.
  • Step S4 turning on the cooling system for cooling
  • Step S5 molding
  • the mold After molding in the mold, the mold is opened and taken out.
  • a reflector cup is injection molded using PC reflective plastic pellets, and the reflector cup includes a cup body 11 , a cup bottom and a mounting leg 12 , and the cup body 11 has an upper opening and a cup.
  • the bottom of the cup is provided with a mounting leg 12, and the mounting leg 12 is provided with a mounting hole 13, and the cross-section of the cup body 11 is trapezoidal, and the shape of the inner wall of the cup body 11 is: defining a diagonal line, and then the oblique
  • the shape obtained by rotating the vertical line of the center of the opening of the bottom of the cup is one week, wherein the number of the mounting legs 12 is one or more, preferably three, and the ratio is distributed in three places, so that the installation is firmer and the thickness of the reflector is thicker. It is 2cm to 10cm.
  • an LED lamp includes a base 3, a reflector 1 and a lamp cover 2.
  • the reflector 1 is mounted on the base 3, the cover 2 covers the base 3, and the base 3 has a recess.
  • the LED is installed at the bottom of the groove, and the reflector 1 is installed in the groove.
  • the reflector 1 comprises a cup body 11, a cup bottom and a mounting leg 12.
  • the cup body 11 has an upper opening, the cup bottom is open, and the cup bottom is provided with three.
  • the mounting leg 12 is provided with a mounting hole 13 .
  • the cross section of the cup body 11 is trapezoidal.
  • the inner wall of the cup body 11 is shaped like a diagonal line, and then the oblique line is opened around the bottom of the cup. a shape obtained by rotating a vertical line in the center of the hole, and a lower surface of the groove on the base 3 is provided with a mounting hole that cooperates with the mounting leg 12.
  • the diameter of the light exit opening of the reflector is larger than the diameter of the LED mounting hole. Place the reflector in the corresponding mounting hole in the groove of the base 3. Use screws or bolts to tighten. You can also use other fixing parts to fix the reflector.
  • the upper surface of the mounted reflector is lower than the upper plane of the LED base, and then the lamp cover is placed thereon, as shown in Fig. 2b, the lower plane of the floodlight cover matches the upper plane of the reflector, and the lamp housing
  • the stepped surface of the outer ring coincides with the upper plane of the LED base, and the LED light source 31 is emitted from the bottom of the reflector.
  • a reflective cup made of PC reflective plastic pellets is easy to be processed, and any shape of the reflective cup can be produced, and the production speed is fast, the yield is high, and further, the PC high reflective plastic grain is used.
  • the injection molded reflector has a reflectivity of up to 95%.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Led Device Packages (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

一种反光杯（1），反光杯（1）制造方法及应用反光杯（1）的LED灯，该反光杯（1）包括杯身（11）和杯底，杯身（11）上部开口，杯底开口，杯底设有安装脚（12），安装脚（12）上设有安装孔（13），杯身（11）的横截面的形状为梯形，该反光杯（1）的制造方法包括：将PC反光塑胶颗粒熔融；注塑入模具中；进行保压；开启冷却***进行冷却；成型。所述的反光杯（1）易加工成型，生产速度快，成品率高，反光率高达95%。

Description

一种反光杯、反光杯制造方法及其应用反光杯的LED灯 技术领域
本发明涉及LED设备领域，尤其涉及一种反光杯、反光杯制造方法及其应用反光杯的LED灯。
背景技术
LED在日常生活中的使用越来越广泛，众知周知，通常的LED灯具 或LED节能灯为了达到提高光通量的效果，使用一种谷河纸来达到反光效果提高输出光通量，但谷河纸价格昂贵且不易加工成型，通常谷河纸只有两种方式加工：热压成型后模切或直接模切，尺寸公差不易控制且形状受到极大的限制，且生产速度慢，次品率非常高，普通的塑胶注塑成的反光杯无法达到反光效率95%以上，因此当前需要一种新型利用特殊的PC反光塑胶棵粒注塑成的反光杯来解决上述问题。
 技术解决方案
本发明的目的是提供一种易加工成型，形状不受限制，生产速度快而成品率高，反光率高的反光杯。
为达到上述目的，本发明的实施例采用如下技术方案：
一种反光杯的制造方法，该方法包括：
将PC高反光塑胶棵粒熔融；
注塑入模具中；
进行保压；
开启冷却***进行冷却；
成型。
依照本发明的一个方面，其中，所述将PC反光塑胶棵粒熔融中的熔融温度为200度至300度； 所述注塑入模具中的注塑时间为1SEC至5 SEC，注塑温度为200度至300度；所述进行保压中的保压时间为0.5SEC至1 SEC,保压压力为120KG；所述开启冷却***进行冷却中的冷却***是采用水路进行冷却，冷却时间为2 sec。
一种反光杯，使用PC反光塑胶棵粒注塑而成，其特征在于，包括杯身和杯底，杯身上部开口，杯底开口，杯底设有安装脚，安装脚上设有安装孔，杯身的横截面的形状为梯形。
依照本发明的一个方面，其中，所述反光杯的杯身内壁的形状是：定义一条斜线，再将该斜线绕一过杯底开孔中心的垂直线旋转一周得到的形状。
依照本发明的一个方面，其中，所述安装脚数量为一个以上，所述反光杯的厚度为0.2mm以上。
依照本发明的一个方面，其中，所述安装脚等比例分配在杯底上。
依照本发明的一个方面，其中，所述安装脚的下平面与杯身的下平面处于同一水平面上。
一种应用反光杯的LED灯，包括基座、LED和灯罩，所述基座上有凹槽，所述LED安装在所述凹槽底部，其特征在于，在所述凹槽的内壁设置有使用PC反光塑胶棵粒注塑而成的反光杯，所述反光杯包括杯身和杯底，杯身上部开口，杯底开口，杯底设有安装脚，安装脚上设有安装孔，杯身的横截面的形状为梯形，所述反光杯的出光口直径大于LED安装口直径，所述基座上的凹槽下平面设有与所述安装脚相互配合的安装孔。
依照本发明的一个方面，其中，所述反光杯的杯身内壁形状是：定义一条斜线，再将该斜线绕一过杯底开孔中心的垂直线旋转一周得到的形状。
依照本发明的一个方面，其中，所述反光杯的安装脚数量为一个以上，所述安装脚等比例分配在杯底上；所述反光杯的厚度为0.2mm以上；所述反光杯的上平面低于LED基座的上平面，所述灯罩的下平面与反光杯的上平面相吻合。
本发明实施例提供的一种反光杯的制造方法，采用PC反光塑胶棵粒注塑而成的反光杯，易加工成型，形状也不受限制，生产速度快，成品率高，反光率高达95%。
 有益效果
本发明实施例提供的一种反光杯的制造方法，采用PC反光塑胶棵粒注塑而成的反光杯，易加工成型，形状也不受限制，生产速度快，成品率高，反光率高达95%。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的一种反光杯的结构立体图；
图1a为本发明的图1的主视图；
图1b为本发明的图1的俯视图；
图2为本发明的一种LED反光杯的装配示意图；
图2a为本发明图2的反光杯安装后的示意图；
图2b为本发明图2的一种LED反光杯完全安装好后的结构示意图。
 本发明的最佳实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
一种反光杯的制造方法，采用PC反光塑胶棵粒注塑而成，该方法包括：
步骤S1：将PC高反光塑胶棵粒熔融；
将PC高反光塑胶棵粒熔融温度为200度至300度。
步骤S2：注塑入模具中；
将熔融的PC反光塑胶棵粒经过浇注***注塑入模具中，注塑时间为1SEC至5 SEC，注塑温度为200度至300度。
步骤S3：进行保压；
注塑完后，在模具中进行保压，保压时间为0.5SEC至1 SEC,保压压力为120KG。
步骤S4:开启冷却***进行冷却；
开启水路冷却***进行冷却，冷却时间为2 sec。
步骤S5：成型；
在模具中成型后，开模，取出。
如图1、图1a、图1b所示，一种反光杯，使用PC反光塑胶棵粒注塑而成，所述反光杯包括杯身11、杯底和安装脚12，杯身11上部开口，杯底开口，杯底设有安装脚12，安装脚12上设有安装孔13，杯身11的横截面的形状为梯形，其杯身11内壁的形状是：定义一条斜线，再将该斜线绕一过杯底开孔中心的垂直线旋转一周得到的形状，其中安装脚12的数量为一个以上，优选数量为三个，等比例分配在三处，这样安装更牢固，反光杯的厚度为2cm至10cm。
在应用过程中，其中，安装脚12的下平面与杯身11的下平面处于同一水平面上，也可以为其他形式。
如图2所示，一种LED灯，包括基座3、反光杯1和灯罩2，反光杯1安装在基座3上，灯罩2罩住基座3，基座3上有一个凹槽，LED安装在该凹槽底部，反光杯1安装在该凹槽中，其中，反光杯1包括杯身11、杯底和安装脚12，杯身11上部开口，杯底开口，杯底设有三个安装脚12，安装脚12上设有安装孔13，杯身11的横截面的形状为梯形，其杯身11内壁的形状是：定义一条斜线，再将该斜线绕一过杯底开孔中心的垂直线旋转一周得到的形状，基座3上的凹槽下平面设有与所述安装脚12相互配合的安装孔，
装配时，反光杯的出光口直径大于LED安装口直径，将反光杯放置于基座3凹槽中对应的安装孔中，利用螺钉或螺栓拧紧，也可以利用其他固定件固定反光杯，如图2a所示，安装后的反光杯上平面低于LED基座的上平面，再将灯罩罩在上面，如图2b所示，泛光灯罩的下平面与反光杯的上平面相吻合，灯罩壳外圈的台阶面与LED基座的上平面相吻合，LED光源31从反光杯的底部射出。本实施例采用PC反光塑胶棵粒注塑而成的反光杯，易加工成型，任意形状的反光杯都可生产出来，且生产速度快，成品率高，更进一步的，采用PC高反光塑胶棵粒注塑而成的反光杯，反光率高达95%。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本领域技术的技术人员在本发明公开的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (1)

  1. 1、 一 种反光杯的制造方法，该方法包括
    将PC反光塑胶棵粒熔融；
    注塑入模具中；
    进行保压；
    开启冷却***进行冷却；
    成型。
    2、 按照权利要求1所述的制造方法，其特征在于，所述将PC反光塑胶棵粒熔融温度为200度至300度；所述注塑入模具中的注塑时间为1 SEC 至5 SEC ，注塑温度为200度至300度；所述进行保压的保压时间为0.5 SEC 至1 SEC , 保压压力为120KG；所述开启冷却***进行冷却中的冷却***是采用水路进行冷却，冷却时间为2 SEC 。
    3、 一种反光杯，使用PC反光塑胶棵粒注塑而成，其特征在于，包括杯身和杯底，杯身上部开口，杯底开口，杯底设有安装脚，安装脚上设有安装孔，杯身的横截面的形状为梯形。
    4、 按照权利要求3所述的一种反光杯，其特征在于，所述反光杯的杯身内壁的形状是：定义一条斜线，再将该斜线绕一过杯底开孔中心的垂直线旋转一周得到的形状。
    5、 按照权利要求3所述的一种反光杯，其特征在于，所述安装脚数量为一个以上，所述反光杯的厚度为0.2mm以上。
    6、 按照权利要求3所述的一种反光杯，其特征在于，所述安装脚等比例分配在杯底上。
    7、 按照权利要求3至6之一所述的一种反光杯，其特征在于，所述安装脚的下平面与杯身的下平面处于同一水平面上。
    8、 一种应用反光杯的LED灯，包括基座、LED和灯罩，所述基座上有凹槽，所述LED安装在所述凹槽底部，其特征在于，在所述凹槽的内壁设置有使用PC反光塑胶棵粒注塑而成的反光杯，所述反光杯包括杯身和杯底，杯身上部开口，杯底开口，杯底设有安装脚，安装脚上设有安装孔，杯身的横截面的形状为梯形，所述反光杯的出光口直径大于LED安装口直径，所述LED基座上的凹槽下平面设有与所述安装脚相互配合的安装孔。
    9、 按照权利要求8所述的LED灯，其特征在于，所述反光杯的杯身内壁形状是：定义一条斜线，再将该斜线绕一过杯底开孔中心的垂直线旋转一周得到的形状。
    10、 按照权利要求8所述的LED灯，其特征在于，所述反光杯的安装脚数量为一个以上；所述安装脚等比例分配在杯底上；所述反光杯的厚度为0.2mm以上, 所述反光杯的上平面低于基座的上平面，所述灯罩的下平面与反光杯的上平面相吻合。
PCT/CN2014/070080 2013-04-22 2014-01-03 一种反光杯、反光杯制造方法及其应用反光杯的led灯 WO2014173188A1 (zh)

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