CN203010236U - Light-emitting diode (LED) lighting device - Google Patents

Abstract

A light-emitting diode (LED) lighting device comprises LED modules in one or more light distribution modes, and different light distribution effects are achieved through the free combination of the LED modules which are in an identical light distribution mode or in different light distribution modes. The structure of each LED module is identical to that of a connecting port of an electrical appliance, an adjacent mode is adopted for arrangement, and the one or more light distribution modes are achieved through replacement of lenses of the LED modules.

Description

A kind of LED lighting device

Technical field

The utility model relates to a kind of lighting device, but particularly a kind of independent assortment obtains the LED lighting device of different light distribution effects.

Background technology

The characteristics such as the LED lighting device is efficient because having, energy-saving and environmental protection, and it is very popular, along with people improve gradually to the requirement of illumination, the safety and comfort of lighting environment is also the Important Problems that needs consideration, this just requires scientific and reasonable optical design, need to design different distribution curve fluxs to varying environment.So-called distribution curve flux just means the distribution situation of light in the space that a lighting device or light source are launched.Distribution curve flux has directly embodied the characteristics such as luminous flux, direction of illumination and illumination uniformity of LED lighting device.

The distribution curve flux of light source itself is changeless, if change the distribution curve flux of lighting device, typically use optical lens or reflector and carry out secondary light-distribution, in case optical lens or reflector are fixed, distribution curve flux and optical field distribution just have been fixed up, therefore, if need to change the distribution curve flux (distribution curve flux be in light distribution effect a kind of) of LED lighting device at certain special occasions, need change the light source of lighting device or optical lens and reflector are redesigned.

Existing research about LED illuminating apparatus light distribution method still is based on LED light source or optical lens carries out improvement and bring new ideas, does not break through the optics luminous intensity distribution of traditional approach, this light-configuration mode not only difficulty of processing and cost all very high, and be unfavorable for marketing.A kind of method of the LED of improvement illuminating apparatus light distribution effect is provided for the patent of invention of CA 101303115A as publication number, and the lighting angle by LED is set and the luminous intensity of illuminating module are improved the light distribution effect of LED lighting device; Publication number is that the patent of invention of CN 102042519A has designed a kind of the replacing according to lighting demand and has the light-passing board of different optical lens, thereby obtains the distribution curve flux of different lighting demands.The module of this type of special requirement, because of market is difficult to prediction can not be on a large scale, standardized production, have certain risk.

The utility model content

The utility model is for the prior art above shortcomings, a kind of easy to assembly, simple to operate, the LED lighting device that can realize large-scale production is provided, light direction and the Illumination Distribution of LED lighting device have been changed targetedly, reduce to greatest extent the waste of light, reach the light distribution effect of expection.

The utility model is achieved through the following technical solutions:

A kind of LED lighting device comprises the LED module of one or more light-configuration modes, and the LED module by the identical or different light-configuration mode of independent assortment reaches different light distribution effects; The structure of LED module is identical with electrical apparatus interface, adopts adjacent mode to arrange; One or more light-configuration modes obtain by the lens of changing described LED module.

Better, the LED module comprises the LED module of the circular luminous intensity distribution of some similar and different kinds, in order to change the average beam angle of LED lighting device.

Better, the LED module is the LED module of some circular luminous intensity distributions and the LED module of some other luminous intensity distributions, in order to adjust LED lighting device central area and fringe region illumination ratio.

Better, the LED module is the LED module of some asymmetric light distributions and the LED module of some other luminous intensity distributions, in order to increase the illumination of LED lighting device on a direction.

Better, the LED module also comprises the combination of the LED module of other light-configuration modes.

Description of drawings

Figure 1A-1F is the polar diagram of the light-distribution LED module distribution curve flux commonly used that adopts of the utility model;

The structural representation of the LED module of the LED lighting device that Fig. 2 provides for the utility model embodiment;

The LED module combination schematic diagram of the LED lighting device that Fig. 3 provides for the utility model embodiment;

The polar diagram of the various distribution curve fluxs of the LED lighting device that Fig. 4 A-4H provides for the utility model embodiment.

The specific embodiment

Below in conjunction with embodiment, the utility model is elaborated, the present embodiment is implemented under take technical solutions of the utility model as prerequisite, has provided detailed embodiment, but protection domain of the present utility model is not limited to following embodiment.

Please refer to Figure 1A-1F, the present embodiment is based on the module of six kinds of luminous intensity distributions commonly used and designs, and the module of the module of four kinds of circular luminous intensity distributions, a kind of rectangle luminous intensity distribution and a kind of module of asymmetric light distribution are wherein arranged.It is circular that circular luminous intensity distribution namely shines the zone, and the average beam angle of four kinds of circular luminous intensity distribution modules is respectively 25 °, 40 °, 60 °, 90 °; A kind of distribution curve flux of rectangle luminous intensity distribution module is the bat aerofoil profile; A kind of average beam angle of asymmetric light distribution module is 25 °.The distribution curve flux of six kinds of luminous intensity distribution modules commonly used as shown in Figure 1A-1F, is respectively bat aerofoil profiledistribution curve flux 1A, 25 ° of distribution curve flux 1B, 40 ° ofdistribution curve flux 1C, 60 ° ofdistribution curve flux 1D, 90 ° of distribution curve flux 1E and asymmetric 25 ° of distribution curve flux 1F.The LED module profile of described six kinds of luminous intensity distributions, size, and installation method is all identical.In the present embodiment, the module of the luminous intensity distribution commonly used that adopts is a specific embodiment, the utility model is not done restriction at this, the technical staff can obtain required light distribution effect by the module that independent assortment is commonly used luminous intensity distribution and special light, and the LED module of different light-configuration modes can obtain by the lens of changing the LED module.

Please refer to Fig. 2, the LED module mainly is comprised oflens module 21, sealing ring 22,LED particle 23, aluminium base 24 and radiator 25.The structure of LED module identical (structure of all LED modules and electrical apparatus interface are all identical) adopts adjacent mode to arrange, and the LED module of different light-configuration modes can obtain by the lens of changing the LED module.In the LED lighting device, module can adopt mode permutation and combination as shown in Figure 3, and LED module quantity is determined on a case-by-case basis.Can reach very easily by this kind structure the purpose (the LED module of different luminous intensity distributions can be realized by thelens 21 of changing on the LED module) that the LED module of changing different luminous intensity distributions obtains a required distribution curve flux, need not for the specific optical lens of different occasion design, reduce to greatest extent the waste of light, reach the light distribution effect of expection.Adopt here that to arrange side by side be that the technical staff can arrange according to the demand independent assortment because this kind arrangement mode is comparatively simple and in order to allow the technical staff be convenient to understand spirit of the present utility model, do not limit at this.

A kind of light distributing method of LED lighting device, by the LED module of the some identical or different light-configuration modes of independent assortment, the some independentlyLED modules 31 of LED module employing are arranged in adjacent mode, thereby obtain the LED lighting device of a required light distribution effect; The module of different light-configuration modes obtains by the lens of changing described LED module.

Below provide the distribution curve flux scheme of several smooth output angles on the C0-C180 direction:

1, LED lighting device 1 is made of the LED module of 25 ° of luminous intensity distributions and the LED module of 40 ° of luminous intensity distributions, and its distribution curve flux is as shown in Fig. 4 A, and the number that changes these two kinds of LED modules can form the LED lighting device of average beam angle between 25 ° to 40 °.

2,LED lighting device 2 is made of the LED module of 40 ° of luminous intensity distributions and the LED module of 60 ° of luminous intensity distributions, its distribution curve flux as shown in Figure 4 B, the number that changes these two kinds of LED modules can form the LED lighting device of average beam angle between 40 ° to 60 °.

3, LED lighting device 3 is made of the LED module of 60 ° of luminous intensity distributions and the LED module of 90 ° of luminous intensity distributions, and its distribution curve flux is as shown in Fig. 4 C, and the number that changes these two kinds of LED modules can form the LED lighting device of average beam angle between 60 ° to 90 °.

4, LED lighting device 4 is made of the LED module of a bat aerofoil profile luminous intensity distribution and the LED module of 60 ° of luminous intensity distributions, and its distribution curve flux is as shown in Fig. 4 D, and the number that changes these two kinds of LED modules can form the LED lighting device that the central area illumination change does not wait.

5, the LED lighting device 5 as shown in Fig. 4 E is made of the LED module of two bat aerofoil profile luminous intensity distributions and the LED module of 60 ° of luminous intensity distributions, and its central area is less with respect to the LED lighting device with the illumination ratio of fringe region.

6, LED lighting device 6 is made of the LED module of a bat aerofoil profile luminous intensity distribution and the LED module of 90 ° of luminous intensity distributions, and its distribution curve flux is as shown in Fig. 4 F, and the number that changes these two kinds of LED modules can form the LED lighting device that the central area illumination change does not wait.

7, the LED lighting device 7 as shown in Fig. 4 G is made of the LED module of two bat aerofoil profile luminous intensity distributions and the LED module of 90 ° of luminous intensity distributions, and its central area is less with respect to the LED lighting device with the illumination ratio of fringe region.

8, lighting device 8: the LED module of the asymmetric 25 ° of luminous intensity distributions in the utility model can make up with the LED module of other any luminous intensity distributions, changes the luminous intensity distribution direction of lighting device.The distribution curve flux of the LED lighting device 9 that the LED module of two symmetrical asymmetric 25 ° of luminous intensity distributions of placing consists of is approximately the bat aerofoil profile, as shown in Fig. 4 H.

The specifiable combination of the utility model is various, here do not describe in detail one by one, the user can select the LED module combination of varying number, different light-configuration modes to obtain the lighting device of required light distribution effect, the structure of LED module is identical with electrical apparatus interface, the module of different light-configuration modes can obtain by the lens of changing on the LED module, this light distributing method is convenient and swift, and is flexible and changeable.

In the utility model, each LED module adopts light-configuration mode commonly used, and can obtain by the lens on replacing LED module the LED module of different luminous intensity distributions, can independently produce in enormous quantities, and all have application approach widely, the phenomenon that typical products in mass production is piled up can not occur.The utility model does not limit at this, and the technical staff also can adopt the module of commonly using luminous intensity distribution and special light by independent assortment to obtain required light distribution effect.

If need to obtain the LED lighting device of symmetrical distribution curve flux, the mode of the symmetry taked of the LED module of symmetrical luminous intensity distribution placement, for example, can be placed on the LED module of two bat aerofoil profile luminous intensity distributions the two ends of 90 ° of luminous intensity distribution modules; The LED module of two asymmetric 25 ° can also be put together, both the luminous intensity distribution direction is symmetrical.The user can select LED module combination as required.

LED lighting device of the present utility model can be applied in the fields such as LED street lamp, LED Projecting Lamp or LED Tunnel Lamp.

Above disclosed be only several specific embodiments of the application, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's protection domain.

Claims (4)

1. a LED lighting device, is characterized in that, comprises the LED module of one or more light-configuration modes, and the LED module by the identical or different light-configuration mode of independent assortment reaches different light distribution effects; The structure of described LED module is identical with electrical apparatus interface, adopts adjacent mode to arrange; Described one or more light-configuration modes obtain by the lens of changing described LED module.

2. LED lighting device as claimed in claim 1, is characterized in that, described LED module comprises the LED module of the circular luminous intensity distribution of some similar and different kinds, in order to change the average beam angle of LED lighting device.

3. LED lighting device as claimed in claim 1, is characterized in that, the LED module that described LED module is some circular luminous intensity distributions and the LED module of some other luminous intensity distributions are in order to adjust LED lighting device central area and fringe region illumination ratio.

4. LED lighting device as claimed in claim 1, is characterized in that, the LED module that described LED module is some asymmetric light distributions and the LED module of some other luminous intensity distributions are in order to increase the illumination of described LED lighting device on a direction.

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