CN103791442A - Lenses of large-angle LED (Light Emitting Diode) bulb lamp and design method thereof - Google Patents

Lenses of large-angle LED (Light Emitting Diode) bulb lamp and design method thereof Download PDF

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Publication number
CN103791442A
CN103791442A CN201210427911.3A CN201210427911A CN103791442A CN 103791442 A CN103791442 A CN 103791442A CN 201210427911 A CN201210427911 A CN 201210427911A CN 103791442 A CN103791442 A CN 103791442A
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light
portion
lens
design
total reflection
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CN201210427911.3A
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Chinese (zh)
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王建全
翁方轶
易博
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四川柏狮光电技术有限公司
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Publication of CN103791442A publication Critical patent/CN103791442A/en

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Abstract

The invention discloses lenses of a large-angle LED (Light Emitting Diode) bulb lamp and a design method thereof. The lenses comprise a planoconvex lens and a plurality of collimation total-reflection lenses; circumferences of the collimation total-reflection lenses are uniformly distributed on the periphery of the planoconvex lens; every collimation total-reflection lens extends to form an incident portion in the light emergent direction, wherein the end portion of the incident portion is perpendicularly connected with an emergent portion, a total-reflection surface is formed between the incident portion and the emergent portion, and the lateral side of one end of the emergent portion is a free-form surface; the light emitted from LED light sources which are arranged in the collimation total-reflection lenses is parallel to axes of the incident portions after refraction and reflection to irradiate towards the total-reflection surfaces; the reflection light which passes through the total-reflection surfaces horizontally irradiates towards the free-form surfaces and the emergent light is emitted through the refraction of the free-form surfaces. According to the lenses of the large-angle LED bulb lamp and the design method thereof, the problem that the light emitting angle of the existing plane arrangement LED bulb lamp is not more than 150 degrees is solved, the actual requirements of different light emitting angles of LED bulb lamps can be met through adjustment of the light emitting surfaces located at the tail ends of the emergent portions, the light distribution is uniform, and the efficiency is high.

Description

一种大角度LED球泡灯的透镜及其设计方法 One kind of wide-angle lens LED bulb and design method

【技术领域】 TECHNICAL FIELD

[0001] 本发明涉及一种光学元件的设计方法,特别涉及一种大角度LED球泡灯的透镜及其设计方法。 [0001] The present invention relates to a method of designing an optical element, and particularly relates to a lens design method of a large-angle LED bulb.

【背景技术】 【Background technique】

[0002] 传统白炽灯耗能高、寿命短,在全球资源紧张的大环境下,LED球泡灯耗能低、寿命长且不含对环境有害的Pb,Hg等有害元素,是替代传统白炽灯泡的新型节能灯具;平面布置的LED发光角度一般不超过120度,即使罩上散射灯罩的LED球泡灯的发光角度一般也不超过150度,照射范围窄,灯具上方暗区较大,存在一定的缺陷;非平面布置的LED发光角度一般可以超过300度,但限于小功率,且给装配、量产带来了一定的困难。 [0002] The conventional incandescent lamp of high energy, short life, under tight global environment resources, LED bulb low energy consumption, long life and does not contain environmentally harmful Pb, Hg and other harmful elements, is to replace traditional incandescent new energy-saving lamp bulb; LED lighting plane disposed generally not more than 120 degrees angle, light angle scattering shade even cover an LED bulb is generally not more than 150 degrees, a narrow irradiation range, a large dark area above the lamp, is present certain disadvantages; non-planar arrangement of LED light emitting angle of more than 300 degrees may be generally, but is limited to small power, and to the assembly, production brings certain difficulties. 在传统的二次光学设计方法下,LED球泡灯的发光角度能达到300度,但光效低、配光差。 In the traditional method of secondary optical design, the angle of emission of the LED bulb can reach 300 degrees, but the low light efficiency, light distribution difference. 【发明内容】 [SUMMARY]

[0003] 本发明的目的在于克服现有技术中的不足,提供一种发光角度大、效率高、配光与白炽灯相当的大角度LED球泡灯的透镜及其设计方法。 [0003] The object of the present invention is to overcome the disadvantages of the prior art, there is provided a light angle, high efficiency, the light distribution lens and the design method of the incandescent lamp is quite large-angle LED bulb.

[0004] 一种大角度LED球泡灯的透镜,其特征在于:包括一个平凸透镜和若干个准直全反射透镜,所述准直全反射透镜圆周均匀分布的设置在平凸透镜的周缘上,其于光线的出射方向还延伸有入射部,入射部的端部与一出射部垂直连接,在入射部与出射部之间设置有一全反射面,所述出射部的另一端的侧面为自由曲面;所述准直全反射透镜内的LED光源发出的光线经过折反射后平行于入射部轴心射向所述全反射面,经过全反射面后的反射光线水平射向自由曲面上,并通过自由曲面的折射使出射光线发散。 [0004] A wide-angle lens LED bulb, characterized by: a plano-convex lens and a plurality of total reflection collimator lens, provided on the periphery of the quasi-linear totally uniformly distributed in the circumference of the lens plano-convex lens, which in the outgoing direction of the light is further extends entrance portion, an end portion of the incident portion is connected to an exit of the vertical, between the entrance portion and the exit portion is provided with a total reflection surface, the out side of the other end of the exit portion is a free curved surface ; the collimated light from the LED light source is totally reflected within the lens emitted after reflection off axis directed parallel to the incident portion of the total reflection surface, the light level reflected back through the total reflection surface toward the free surface, and by refractive free-form surface resorted emitted light distribution.

[0005] 较佳地,所述准直全反射透镜的底部中心设有一用于安装所述LED光源的内凹孔。 [0005] Preferably, the total reflection collimator lens is provided with concave bottom center of a hole for mounting said LED light source.

[0006] 较佳地,所述准直全反射透镜采用亚克力材料制成。 [0006] Preferably, the collimator lens is made of acrylic material totally.

[0007] 所述设计方法包括如下步骤: [0007] The design method comprising the steps of:

[0008] (I)以单颗LED光源为基准,设计一个准直全反射透镜,使LED光源发出的光线最近平行线,所述准直全反射透镜于光线的出射方向还延伸有入射部,入射部的端部与一出射部垂直连接; [0008] (I) in reference to a single LED light source, a collimating totally lens design, light rays parallel lines recently the LED light source, the collimating lens in the direction of the exit total reflection of light incident portion further extends, incident end portion connected to a vertical exit portion;

[0009] (2)利用全反射定律,当入射角大于临界角时则发生全反射,在PROE或SOLIDffORKS软件中设计一个全反射面,所述全反射面设计在入射部与出射部之间,让入射部内的入射光线经过所述全反射面后的反射光线能水平射向出射部另一端的自由曲面上,通过自由曲面的折射让光线发散,按实际设计要求确定出射光线在配光单侧的照射范围,根据照射范围将所述的出射光线和照射光线进行一一对应,进而计算出自由曲面; [0009] (2) using whole law of reflection, when the total reflection than the critical angle occurs in the design of a total reflection surface or SOLIDffORKS PROE software, the total reflection surface design between the entrance portion and the exit portion, so that the incident light rays in the incident light passing through the portion of the reflected horizontally toward the total reflection surface of the free curved surface on the other end of the exit portion, the free surface by refraction so that light distribution, the light distribution of light emitted is determined according to the actual design requirements on one side irradiation range, according to the correspondence for outgoing light and the irradiation light of the irradiation range, then calculate the free-form surface;

[0010] (3)根据设计要求,在PROE或S0LIDW0RKS中将所述准直全反射透镜及与其连接入射部和出射部绕LED球泡灯的轴心线做圆周整列,之后导出模型至光学软件中进行仿真分析,验证的结果如符合设计要求的照射范围内实现配光均匀分布,即输出模型,如与设计有偏差,则重复上述(2)- (3)步骤直至符合设计要求; [0010] (3) According to the design requirements, or in the PROE S0LIDW0RKS the collimating lens and a total reflection portion connected thereto entrance and the exit portion of the LED bulb about the axis a circular aligned, then exported to an optical model software in the simulation analysis, the results of such verification irradiation range of the light distribution achieved with the design requirements of the uniform distribution, i.e. output model, and design of such a deviation, then repeat the above (2) - (3) step until it meets the design requirements;

[0011] (4)在圆周整列里设计一个平凸透镜,补充配光单侧0° -80°的光线,并且使其与所有的准直全反射透镜进行连接成一个整体,导出模型为SAT或STP格式; [0011] (4) circumferentially aligned in a plano-convex lens design, one-side light distribution supplemental light of 0 ° -80 °, and reacted with all of the total reflection collimator lens is integrally connected to, or derived model SAT STP format;

[0012] (5)将步骤(4)中所得到的整体模型导入在光学软件中进行光学模拟分析,验证的结果如符合设计要求中的发光角度内的整体配光均匀,即输出模型,如与设计有偏差,则重复步骤(4 )直至符合设计要求。 Whole Model [0012] (5) Step (4) obtained in the introduced optical simulation analysis to verify the optical software results in the overall uniform light distribution within the emitting angle design requirements, i.e., the output of the model, such as and design deviations, then repeating step (4) until it meets the design requirements.

[0013] 与现有技术相比,本发明的有益效果是:解决现有平面布置的LED球泡灯的发光角度不超过150°的问题,通过调整出射部末端的出光面,能满足不同发光角度的LED球泡灯的实际需求,配光均匀,效率高。 [0013] Compared with the prior art, the beneficial effects of the present invention are: to solve the conventional planar light-emitting angle of the LED bulb is arranged is not more than 150 ° of the problem by adjusting the end portion of an exit surface, to meet the different emission the actual perspectives of the LED bulb, uniform light distribution and high efficiency.

【附图说明】 BRIEF DESCRIPTION

[0014] 图1为本发明的准直全反射透镜的示意图; A collimator lens totally schematic [0014] FIG. 1 of the present invention;

[0015] 图2为本发明的出光示意图; [0015] FIG. 2 is a schematic view illustrating the light invention;

[0016] 图3为本发明的结构示意图; [0016] FIG. 3 is a schematic structural diagram of the present invention;

[0017] 图4为本发明实施例5的LED球泡灯配光曲线图。 [0017] FIG 4 LED bulb light distribution graph Example 5 of the present invention.

【具体实施方式】 【Detailed ways】

[0018] 下面结合附图及具体实施方式对本发明作进一步描述: [0018] The present invention will be further described in conjunction with specific embodiments and the accompanying drawings:

[0019] 如图1至图3所示,本发明的大角度LED球泡灯的透镜,包括一个平凸透镜6和若干个准直全反射透镜I,所述若·干个准直全反射透镜I圆周均匀分布的设置在平凸透镜6的周缘上,所述准直全反射透镜I的底部中心设有一用于安装LED光源的内凹孔11,顶端向上延伸有一入射部2,入射部2的顶端与一出射部4的一端垂直连接,在入射部2与出射部3之间设置有一全反射面3,全反射面3呈水平45°角设置,所述出射部4的另一端侧面为光线的出光面,所述出光面为自由曲面5 ;所述LED光源的光线在准直全反射透镜I内经过折反射后平行于准直全反射透镜I的轴心竖直向上射入到入射部2内,其入射光线7经过全反射面3反射后的反射光线8水平射向所述自由曲面5上,并通过自由曲面5的折射使出射光线9发散,形成超过180°发光角度的LED球泡灯。 [0019] As shown in FIG. 1 to FIG. 3, the present invention is large-angle LED bulb lens, comprising a plurality of plano-convex lens 6 and the collimator lens is totally reflected I, if the total reflection Gan collimator lens I circumferentially disposed uniformly distributed on the periphery of the plano-convex lens 6, the collimating lens I totally center of the bottom 11 is provided, extending upwardly to the top for mounting a LED light source is incident on a concave hole part 2, section 2 of the incident top with an end of the vertical connecting emitting portion 4, provided the incident portion between 2 and the exit portion 3 has a total reflection surface 3, total reflection surface 3 has a horizontal angle of 45 ° is provided, the another end side emitting portion 4 is light the light emitting surface, the surface is a free-form surface 5; light of the LED light source is totally reflected in the collimator lens after reflecting off the I axis parallel to the collimator lens I totally vertically incident on the incident portion up to the 2, 7 through which incident light rays reflected totally reflecting surface 3 after 8 toward the free surface level 5, 9 and refracts light emitted resorted dissipated through free-form surface 5, forming an angle of more than 180 ° emitting LED ball bulb.

[0020] 所述准直全反射透镜及其连接的入射部和出射部是采用亚克力材料制成的,亚克力材料的全反射临界角是42.0337° ,而入射光线7与全反射面的夹角为45° ,大于临界角度,故此发生全反射,使入射光线7水平反射向自由曲面5上。 [0020] The collimator lens and a total reflection portion connected to the entrance and the exit portion is made of acrylic material, total reflection critical angle of the acrylic material is 42.0337 °, and the angle between the incident light and the total reflection surface 7 is 45 °, greater than the critical angle, is totally reflected therefore, that the level of reflected incident light 7 to the free surface 5.

[0021] 所述平凸透镜用于补充配光曲线单侧0° -80°范围的光线,使整个LED球泡灯的配光均匀,其与所有准直全反射透镜固定连接,为一个整体,使其结构牢靠。 [0021] The plano-convex lens used to supplement the light distribution curves of light unilateral 0 ° -80 ° range, a uniform light distribution of the LED bulb, which is fixedly connected to all of the total reflection collimator lens, as a whole, its structure is solid.

[0022] 所述大角度LED球泡灯的透镜的设计方法包括如下步骤: [0022] The large-angle LED bulb lens design method comprising the steps of:

[0023] (I)以单颗LED光源为基准,设计一个准直全反射透镜1,使LED光源发出的光线10最近平行线,所述准直全反射透镜I于光线10的出射方向还延伸有入射部2,入射部2的端部与一出射部4垂直连接; [0023] (I) in reference to a single LED light source, a collimating totally designing a lens so that the light emitted from the LED light source 10 parallel lines recently, the collimating lens totally I also extends to the exit direction of the light rays 10 2 has an incident portion, the end portion of the incident portion 2 is connected to a vertical exit portion 4;

[0024] (2)利用全反射定律,当入射角大于临界角时则发生全反射,在PROE或SOLIDffORKS软件中设计一个全反射面3,所述全反射面3设计在入射部2与出射部4之间,让入射部2内的入射光线7经过所述全反射面3后的反射光线8能水平射向出射部4另一端的自由曲面5上,通过自由曲面5的折射让光线发散,按实际设计要求确定出射光线9在配光单侧的照射范围,根据照射范围将所述的出射光线9和照射光线(即反射光线8)进行--对应,进而计算出自由曲面5 ; [0024] (2) using whole law of reflection, when the total reflection than the critical angle occurs in the design of a total internal reflection surface 3 SOLIDffORKS PROE or software, the total reflection surface 3 designed incident portion 2 and the exit portion between 4, so that the incident light rays in the incident portion 27 through the total reflection surface reflecting light 8 directed horizontally after 3 on the exit portion of the free curved surface 54 at the other end, by a refractive free-form surface 5 so that the light distribution, determined according to the actual design requirements emitted light beam 9 on one side with the irradiation range of light emitted according to the light irradiation and 9 (i.e., the reflected light 8) of the irradiation range - corresponding to, and then calculate the free-form surface 5;

[0025] (3)根据设计要求,在PROE或S0LIDW0RKS中将所述准直全反射透镜I及与其连接入射部2和出射部3绕LED球泡灯的轴心线做圆周整列,之后导出模型至光学软件中进行仿真分析,验证的结果如符合设计要求的照射范围内实现配光均匀分布,即输出模型,如与设计有偏差,则重复上述(2) - (3)步骤直至符合设计要求; [0025] (3) According to the design requirements, or in the PROE S0LIDW0RKS the collimator 2 and the total reflection about the LED bulb axis of the exit portion of the third lens I and a circular portion connected thereto enters the entire column, after deriving the model results of simulation analysis, verified to the optical software such as the realization of the light distribution within the irradiation range with the design requirements of the uniform distribution, i.e. the output of the model, such as the design of a deviation, then repeat the above (2) - (3) steps until the design requirements ;

[0026] (4)在圆周整列里设计一个平凸透镜6,补充配光单侧0° -80°的光线,并且使其与所有的准直全反射透镜I进行连接成一个整体,导出模型为SAT或STP格式; Light [0026] (4) Design of a plano-convex lens 6 in circumferentially aligned, supplemental light distribution of unilateral 0 ° -80 °, and reacted with all of the total reflection collimator lens I is integrally connected to a derived model SAT or STP format;

[0027] (5)将步骤(4)中所得到的整体模型导入在光学软件中进行光学模拟分析,验证的结果如符合设计要求中的发光角度内的整体配光均匀,即输出模型,如与设计有偏差,则重复步骤(4)直至符合设计要求。 Whole Model [0027] (5) Step (4) obtained in the introduced optical simulation analysis to verify the optical software results in the overall uniform light distribution within the emitting angle design requirements, i.e., the output of the model, such as and design deviations, then repeating step (4) until it meets the design requirements.

[0028] 实施例一 [0028] Example a

[0029] 假设大角度LED球泡灯的发光角度为220度,光源使用CREE-XPE,通过matlab编程计算出准直全反射透镜曲线,使LED光源发出的光线最近平行线,导入S0LIDW0RKS或PROE进行曲线拟合,导出模型在TRACEPR0光学软件进行仿真分析,验证符合设计要求;计算出亚克力材料的临界角42.0337°,在S0LIDW0RKS里面设计一个反射平面3,使反射光线与水平面平行;根据折反射定律,并根据照射范围将所出射光线9和照射光线(即反射光线8)进行——对应关系建立方程,求解后在S0LIDW0RKS里面设计出光面(即自由曲面5),并做圆周阵列,导出模型在光学软件中进行模拟,验证结果是否符合配光曲线在60° -110°方向均匀,如不符合,重新调整出光面曲线,直到符合设计要求;在圆周阵列里设计一个平凸透镜6,使其在在0-60°方向配光均匀;在S0LIDW0RKS里将平凸透镜与圆周阵列准直全反射透镜 [0029] The wide-angle light angle is assumed that the LED bulb 220 degree light source CREE-XPE, calculated by the collimating lens curve matlab programming total reflection, the light rays parallel lines recently the LED light source, for introducing S0LIDW0RKS or PROE curve fitting model derived in TRACEPR0 the optical simulation software, validate the design requirements; acrylic material calculated critical angle 42.0337 °, in which the design S0LIDW0RKS a reflection plane 3, the reflected light is parallel to the horizontal; off in accordance with the law of reflection, and the irradiation range the emitted light 9 and the illumination light (i.e., reflected light 8) - establishing a corresponding relationship equations, the solved design surface in S0LIDW0RKS inside (i.e., free surface 5), and a circular array, deriving model optical software for simulation, verification result whether the light distribution curve at 60 ° -110 ° direction of the uniform, if not, to readjust the smooth curve, until the design requirements; design in a circumferential array in the flat convex lens 6, so that in the 0-60 ° with the direction of light uniform; S0LIDW0RKS in the circumferential array of the plano-convex lens and the collimator lens totally 接在一起,导出模型在TRACEPR0光学软件进行仿真分析,验证的结果如符合设计要求即输出模型,如与设计有偏差,则重复上述步骤直至符合设计要求。 Together, in the simulation model derived TRACEPR0 optical software, verification results meet the design requirements i.e. output model, and design of such a deviation, the above steps are repeated until the design requirements.

[0030] 实施例二 [0030] Second Embodiment

[0031] 假设大角度LED球泡灯的发光角度为240度,光源使用CREE-XPE,通过matlab编程计算出准直全反射透镜曲线,使LED光源发出的光线最近平行线,导入S0LIDW0RKS或PROE进行曲线拟合,导出模型在TRACEPR0光学软件进行仿真分析,验证符合设计要求;计算出亚克力材料的临界角,在S0LIDW0RKS里面设计一个反射平面3,使反射光线与水平面平行;根据折反射定律,并根据照射范围将所出射光线9和照射光线(即反射光线8)进行一一对应关系建立方程,求解后在S0LIDW0RKS里面设计出光面(即自由曲面5),并做圆周阵列,导出模型在光学软件中进行模拟,验证结果是否符合配光曲线在60° -120°方向均匀,如不符合,重新调整出光面曲线,直到符合设计要求;在圆周阵列里设计一个平凸透镜,使其在在0-60°方向配光均匀;在301101(«1«里将平凸透镜与圆周阵列准直全反射透镜连接在 [0031] The wide-angle light angle is assumed that the LED bulb 240 degrees, light source CREE-XPE, calculated by the collimating lens curve matlab programming total reflection, the light rays parallel lines recently the LED light source, for introducing S0LIDW0RKS or PROE curve fitting model derived in TRACEPR0 optical simulation software to verify the design requirements; critical angle calculated from acrylic materials, a design in which S0LIDW0RKS reflection plane 3, the reflected light is parallel to the horizontal; off in accordance with the law of reflection, and in accordance with the irradiation range of the light exiting the light irradiation and 9 (i.e., the reflected light 8) for establishing one relationship equations, solved in the design S0LIDW0RKS inside surface (i.e., free surface 5), and a circular array, the optical model derived in software simulation, verification result whether the light distribution curve at 60 ° -120 ° direction of the uniform, if not, to readjust the smooth curve, until the design requirements; the design in a circumferential array of plano-convex lens, so that in the 0-60 ° uniform light distribution direction; at 301101 ( «1« in the circumferential array of plano-convex lens and the collimator lens is totally connected 一起,导出模型在TRACEPR0光学软件进行仿真分析,验证的结果如符合设计要求即输出模型,如与设计有偏差,则重复上述步骤直至符合设计要求。 Together with the derived model TRACEPR0 optical simulation software, verification results meet the design requirements i.e. output model, and design of such a deviation, the above steps are repeated until the design requirements.

[0032] 实施例三 [0032] Example three

[0033] 假设大角度LED球泡灯的发光角度为270度,光源使用CREE-XPE,通过matlab编程计算出准直全反射透镜曲线,使LED光源发出的光线最近平行线,导入S0LIDW0RKS或PROE进行曲线拟合,导出模型在TRACEPR0光学软件进行仿真分析,验证符合设计要求;计算出亚克力材料的临界角,在S0LIDW0RKS里面设计一个反射平面3,使反射光线与水平面平行;根据折反射定律,并根据照射范围将所出射光线9和照射光线(即反射光线8)进行一一对应关系建立方程,求解后在S0LIDW0RKS里面设计出光面(即自由曲面5),并做圆周阵列,导出模型在光学软件中进行模拟,验证结果是否符合配光曲线在60° -135°方向均匀,如不符合,重新调整出光面曲线,直到符合设计要求;在圆周阵列里设计一个平凸透镜,使其在在0-60°方向配光均匀;在S0LIDW0RKS里将平凸透镜与圆周阵列准直全反射透镜连接在 [0033] The large-angle LED lighting angle assumed bulb 270 degrees, light source CREE-XPE, calculated by the collimating lens curve matlab programming total reflection, the light rays parallel lines recently the LED light source, for introducing S0LIDW0RKS or PROE curve fitting model derived in TRACEPR0 optical simulation software to verify the design requirements; critical angle calculated from acrylic materials, a design in which S0LIDW0RKS reflection plane 3, the reflected light is parallel to the horizontal; off in accordance with the law of reflection, and in accordance with the irradiation range of the light exiting the light irradiation and 9 (i.e., the reflected light 8) for establishing one relationship equations, solved in the design S0LIDW0RKS inside surface (i.e., free surface 5), and a circular array, the optical model derived in software simulation, verification result whether the light distribution curve at 60 ° -135 ° direction of the uniform, if not, to readjust the smooth curve, until the design requirements; the design in a circumferential array of plano-convex lens, so that in the 0-60 ° uniform light distribution direction; in the plano-convex lens where S0LIDW0RKS circumferential array with a collimating lens connected to totally 起,导出模型在TRACEPR0光学软件进行仿真分析,验证的结果如符合设计要求即输出模型,如与设计有偏差,则重复上述步骤直至符合设计要求。 Since, in the simulation model derived TRACEPR0 optical software, verification results meet the design requirements i.e. output model, and design of such a deviation, the above steps are repeated until the design requirements.

[0034] 实施例四 [0034] Fourth Embodiment

[0035] 假设大角度LED球泡灯的发光角度为300度,光源使用CREE-XPE,通过matlab编程计算出准直全反射透镜曲线,使LED光源发出的光线最近平行线,导入S0LIDW0RKS或PROE进行曲线拟合,导出模型在TRACEPR0光学软件进行仿真分析,验证符合设计要求;计算出亚克力材料的临界角,在S0LIDW0RKS里面设计一个反射平面3,使反射光线与水平面平行;根据折反射定律,并根据照射范围将所出射光线9和照射光线(即反射光线8)进行一一对应关系建立方程,求解后在S0LIDW0RKS里面设计出光面(即自由曲面5),并做圆周阵列,导出模型在光学软件中进行模拟,验证结果是否符合配光曲线在60° -150°方向均匀,如不符合,重新调整出光面曲线,直到符合设计要求;在圆周阵列里设计一个平凸透镜,使其在在0-60°方向配光均匀;在301101(«1«里将平凸透镜与圆周阵列准直全反射透镜连接在 [0035] The large-angle LED lighting angle is assumed that the bulb is 300 degrees, the light source using CREE-XPE, calculated by the collimating lens curve matlab programming total reflection, the light rays parallel lines recently the LED light source, for introducing S0LIDW0RKS or PROE curve fitting model derived in TRACEPR0 optical simulation software to verify the design requirements; critical angle calculated from acrylic materials, a design in which S0LIDW0RKS reflection plane 3, the reflected light is parallel to the horizontal; off in accordance with the law of reflection, and in accordance with the irradiation range of the light exiting the light irradiation and 9 (i.e., the reflected light 8) for establishing one relationship equations, solved in the design S0LIDW0RKS inside surface (i.e., free surface 5), and a circular array, the optical model derived in software simulation, verification result whether the light distribution curve at 60 ° -150 ° direction of the uniform, if not, to readjust the smooth curve, until the design requirements; the design in a circumferential array of plano-convex lens, so that in the 0-60 ° uniform light distribution direction; at 301101 ( «1« in the circumferential array of plano-convex lens and the collimator lens is totally connected 一起,导出模型在TRACEPR0光学软件进行仿真分析,验证的结果如符合设计要求即输出模型,如与设计有偏差,则重复上述步骤直至符合设计要求。 Together with the derived model TRACEPR0 optical simulation software, verification results meet the design requirements i.e. output model, and design of such a deviation, the above steps are repeated until the design requirements.

[0036] 实施例五 [0036] Embodiment V

[0037] 假设大角度LED球泡灯的发光角度为310度,光源使用CREE-XPE,如图4所示,通过matlab编程计算出准直全·反射透镜曲线,使LED光源发出的光线最近平行线,导入SOLIDffORKS或PROE进行曲线拟合,导出模型在TRACEPR0光学软件进行仿真分析,验证符合设计要求;计算出亚克力材料的临界角,在S0LIDW0RKS里面设计一个反射平面3,使反射光线与水平面平行;根据折反射定律,并根据照射范围将所出射光线9和照射光线(SP反射光线8)进行——对应关系建立方程,求解后在S0LIDW0RKS里面设计出光面(即自由曲面5),并做圆周阵列,导出模型在光学软件中进行模拟,验证结果是否符合配光曲线在65° -155°方向均匀,如不符合,重新调整出光面曲线,直到符合设计要求;在圆周阵列里设计一个平凸透镜,使其在在0-65°方向配光均匀;在301101(«1«里将平凸透镜与圆周阵列准直全反 [0037] The large-angle LED lighting angle is assumed that the bulb is 310 degrees, the light source using CREE-XPE, 4, to calculate the full-reflective lens collimating curve matlab programming, so that the light emitted from the LED light source parallel to the nearest line, or introducing SOLIDffORKS PROE curve fitting model derived in TRACEPR0 optical simulation software to verify the design requirements; critical angle calculated from acrylic materials, a design in which S0LIDW0RKS reflection plane 3, the reflected light is parallel to the horizontal; according to the law of reflection off, and in accordance with the irradiation range of light emitted by the light irradiation and 9 (SP reflected rays 8) - to establish a correspondence relationship equations, solved in the design S0LIDW0RKS inside surface (i.e., free surface 5), and a circular array deriving the optical simulation software model, a verification result whether the light distribution curve at 65 ° -155 ° direction of the uniform, if not, to readjust the smooth curve, until the design requirements; design in a circumferential array in the flat convex lens, so that the light distribution uniform in the direction of 0-65 °; at 301101 ( «1« in the circumferential array of plano-convex lens and the collimator all-trans 射透镜连接在一起,导出模型在TRACEPR0光学软件进行仿真分析,验证的结果如符合设计要求即输出模型,如与设计有偏差,则重复上述步骤直至符合设计要求。 The results of the exit lens are joined together, the simulation model is derived TRACEPR0 optical software, as verified with the design requirements i.e. output model, and design of such a deviation, the above steps are repeated until the design requirements.

[0038] 根据上述说明书的揭示和教导,本发明所属领域的技术人员还可以对上述实施方式进行适当的变更和修改。 [0038] The disclosure and teachings of the foregoing description, those skilled in the art the present invention may also be appropriately changed and modifications to the above embodiments. 因此,本发明并不局限于上面揭示和描述的具体实施方式,对本发明的一些修改和变更也应当落入本发明的权利要求的保护范围内。 Accordingly, the present invention is not limited to the above specific embodiments disclosed and described, modifications and variations of this invention should also fall within the scope of the invention as claimed in claims. 此外,尽管本说明书中使用了一些特定的术语,但这些术语只是为了方便说明,并不对本发明构成任何限制。 Further, despite the use of certain terms used in this specification, they are used for convenience only and does not constitute any limitation to the present invention.

Claims (4)

1.一种大角度LED球泡灯的透镜设计方法,其特征在于,所述设计方法包括如下步骤: (1)以单颗LED光源为基准,设计一个准直全反射透镜,使LED光源发出的光线最近平行线,所述准直全反射透镜于光线的出射方向还延伸有入射部,入射部的端部与一出射部垂直连接; (2)利用全反射定律,当入射角大于临界角时则发生全反射,在PROE或S0LIDW0RKS软件中设计一个全反射面,所述全反射面设计在入射部与出射部之间,让入射部内的入射光线经过所述全反射面后的反射光线能水平射向出射部另一端的自由曲面上,通过自由曲面的折射让光线发散,按实际设计要求确定出射光线在配光单侧的照射范围,根据照射范围将所述的出射光线和照射光线进行一一对应,进而计算出自由曲面; (3)根据设计要求,在PROE或S0LIDW0RKS中将所述准直全反射透镜及与其连接入射部和出射 Lens design method for the large-angle LED bulb, wherein, said design method comprising the steps of: (1) a single LED light source as a reference, a design totally collimating lens, the LED light source recently line parallel light, said collimator lens is totally reflected on the light exit direction further extends entrance portion, an end portion of the incident portion with an exit portion connected to the vertical; (2) using whole law of reflection, when than the critical angle when a total reflection occurs, PROE design software or S0LIDW0RKS a total reflection surface, the total reflection surface design between the entrance portion and the exit portion, so that the incident light rays in the incident portion of the light reflected back through the total reflection surface energy level toward the upper free surface the other end of the exit portion, through the free surface refraction so light distribution, determined according to the actual design requirements emitted light in the irradiation range of the light distribution on one side, according to the outgoing light and the illumination light irradiation range to the one correspondence, then calculate the free-form surface; (3) depending on design requirements, or in the PROE S0LIDW0RKS in the collimator lens and a total reflection portion connected thereto entrance and an exit 部绕LED球泡灯的轴心线做圆周整列,之后导出模型至光学软件中进行仿真分析,验证的结果如符合设计要求的照射范围内实现配光均匀分布,即输出模型,如与设计有偏差,则重复上述(2)- (3)步骤直至符合设计要求; (4)在圆周整列里设计一个平凸透镜,补充配光单侧0° -80°的光线,并且使其与所有的准直全反射透镜进行连接成一个整体,导出模型为SAT或STP格式; (5)将步骤(4)中所得到的整体模型导入在光学软件中进行光学模拟分析,验证的结果如符合设计要求中的发光角度内的整体配光均匀,即输出模型,如与设计有偏差,则重复步骤(4)直至符合设计要求。 Portion around the axis line LED bulb made circumferentially aligned, after deriving the model simulation analysis to optical design software, the result of the verification as to achieve a light distribution within the irradiation range with the design requirements of the uniform distribution, i.e. output model, as there is with the design of deviation, repeat above (2) - (3) until it meets the design requirements step; (4) circumferentially aligned in a plano-convex lens design, one-side light rays supplemented with 0 ° -80 °, and reacted with all prospective totally linear lens integrally connected to, or derived STP SAT model format; results (5) the global model in step (4) was introduced into the optical simulation, the optical verification in software if it meets the design requirements overall light distribution uniformly within the emitting angle, i.e. the output of the model, such as the design of a deviation, then repeating step (4) until it meets the design requirements.
2.一种大角度LED球泡灯的透镜,其特征在于:包括一个平凸透镜和若干个准直全反射透镜,所述准直全反射透镜圆周均匀分布的设置在平凸透镜的周缘上,其于光线的出射方向还延伸有入射部,入射部的端部与一出射部垂直连接,在入射部与出射部之间设置有一全反射面,所述出射部的另一端的侧面为自由曲面;所述准直全反射透镜内的LED光源发出的光线经过折反射后平行于入射部轴心射向所述全反射面,经过全反射面后的反射光线水平射向自由曲面上,并通过自由曲面的折射使出射光线发散。 A wide-angle lens LED bulb, characterized by: comprising a plurality of plano-convex lens and a collimator lens is totally reflected, the total reflection on the periphery of the collimator lens disposed circumferentially uniform distribution of the plano-convex lens, which in the outgoing direction of the light is further extends entrance portion, an end portion of an incident portion and an exit portion is vertically connected between the entrance portion and the exit portion is provided with a total reflection surface, the out side of the other end of the exit portion is a free curved surface; the quasi-linear light is totally reflected within the LED light emitted from the lens after reflection off axis directed parallel to the incident portion of the total reflection surface, the light level reflected back through the total reflection surface toward the free surface, and through free surface refractive resorted emitted light distribution.
3.根据权利要求2所述的大角度LED球泡灯的透镜,其特征在于:所述准直全反射透镜的底部中心设有一用于安装所述LED光源的内凹孔。 The large angle of said bulb 2 LED lens as claimed in claim, wherein: said total reflection collimator lens is provided with concave bottom center of a hole for mounting said LED light source.
4.根据权利要求2所述的大角度LED球泡灯的透镜,其特征在于:所述准直全反射透镜采用亚克力材料制成。 The large angle of said bulb 2 LED lens as claimed in claim, characterized in that: said collimator lens is made of acrylic material totally.
CN201210427911.3A 2012-10-31 2012-10-31 Lenses of large-angle LED (Light Emitting Diode) bulb lamp and design method thereof CN103791442A (en)

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