CN203147351U - Light-emitting diode (LED) stereo light-emitting device - Google Patents

Abstract

The utility model is suitable for the technical field of illumination and provides a light-emitting diode (LED) stereo light-emitting device. The LED stereo light-emitting device comprises two oppositely arranged fixing plates, LED light source module plates fixed between the two fixing plates and a rectifying plate connected with an alternating current power supply through an electrode lead wire and outputting direct current to the LED light source module plates, wherein at least three LED light source module plates are arranged in a circle, and the rectifying plate is arranged on the inner side of the circle formed by the LED light source module plates. The LED stereo light-emitting device utilizes multiple LED light source module plates to form the circle so as to form a stereo light source, and 360-degree stereo all-round light emission is simply achieved. Meanwhile, the built-in rectifying plate is not required to be externally connected with a complicated drive circuit, so that the cost is reduced, and the volume of the light source is decreased.

Description

The stereo luminous device of LED

Technical field

The utility model belongs to lighting technical field, relates in particular to the stereo luminous device of LED.

Background technology

At present, LED (Light Emitting Diode, light emitting diode) as a kind of new light source, because of advantages such as its good energy-conserving effect, long-lives, has been widely used in various lighting installations.Yet, because led light source has the characteristic of unidirectional conducting, when therefore being applied to lighting, all need to increase a drive circuit.And the drive circuit that increases can cause the cost of light fixture to increase, and volume increases, and the life-span of drive circuit often is lower than the life-span of led chip simultaneously.

In addition, LED is a small area source, can only be luminous towards a direction, and in some special application scenarios, its illuminating effect can't compare favourably with electricity-saving lamp or tengsten lamp.Therefore, need carry out wide-angle or full angle when luminous at some, need by the above optical design of secondary, so not only make the led light source structure become complicated, it is complicated that processing technology becomes, and also makes cost increase simultaneously, and it is big that volume becomes.

The utility model content

The purpose of the utility model embodiment is to provide a kind of LED stereo luminous device, is intended to solve traditional LED lighting if will be designed to wide-angle or full angle when luminous, needs complicated structure and the high problem of cost.

The utility model embodiment is achieved in that the stereo luminous device of a kind of LED, comprising:

Two fixed heads that relative orientation arranges;

At least three led light source module plates that form a circle and be fixed between two described fixed heads;

By contact conductor be connected with AC power and output DC to the cowling panel of described led light source module plate, described cowling panel is located at the inboard of the circle that described led light source module plate surrounds, described cowling panel be connected with AC power by contact conductor and output DC to described led light source module plate.

Further, described led light source module plate comprises that two ends are individually fixed in substrate and many LED luminescence chips that evenly distribute and be encapsulated on the described substrate of described fixed head.

Further, described substrate is elongated.

Further, described led light source module plate surface coverage is useful on the fluoresent coating of wavelength conversion.

Further, described fixed head offers notch, and the two ends of described led light source module plate are plugged in described notch.

Further, described cowling panel comprises protective tube, decompression capacitor, current-limiting resistance and rectifier cell, wherein,

Described rectifier cell comprises first output, second input, anodal deferent segment and cathode output end;

First end of described protective tube is connected with an output of described AC power, second end is connected with the first input end of described rectifier cell through described decompression capacitor, and second input of described rectifier cell is connected with another output of described AC power;

The cathode output end of described rectifier cell is connected with the positive pole of described LED luminescence chip, and the cathode output end of described rectifier cell is connected through the negative pole of described current-limiting resistance with described LED luminescence chip.

The stereo luminous device of above-mentioned LED is realized the three-dimensional full Zhou Faguang of small size 360 degree, simultaneously simply by formation three-dimensional light source that a plurality of led light source module plates are formed a circle, at built-in cowling panel, need not the drive circuit of external complexity, reduced cost, reduced the volume of light source.

Description of drawings

Fig. 1 is the explosive view of the stereo luminous device of LED that provides of the utility model embodiment;

Fig. 2 is the front view of the stereo luminous device of LED that provides of the utility model embodiment;

Fig. 3 is the side view of the stereo luminous device of LED that provides of the utility model embodiment;

Fig. 4 (A), Fig. 4 (B) are respectively front view and the rearviews that the utility model embodiment provides fixture;

Fig. 5 is the circuit theory diagrams of the cowling panel that provides of the utility model embodiment.

The specific embodiment

In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

As shown in Figure 1, the stereo luminous device 100 of a kind of LED comprises fixed head 110, at least three led light source module plates 120, cowling panel 130 and contact conductors 140 that two relative orientations arrange.

At least three led light source module plates 120 form a circle and are fixed between two described fixed heads 110.Cowling panel 130 by contact conductor 140 and AC power AC(with reference to figure 5) be connected also output DC to led light source module plate 120, cowling panel 130 is located at the inboard of the circle that led light source module plate 120 surrounds.

In the present embodiment, referring to figs. 2 and 3, being fixed between two fixed heads 110 behind the polyhedron that it is triangular that three led light source module plates 120 surround a cross section, cowling panel 130 is fixed on this polyhedron inside.In other modes, led light source module plate 120 can be four, five or six not to be waited.

Further, led light source module plate 120 comprises substrate 122 and plurality of LEDs luminescence chip 124, and substrate 122 two ends are individually fixed in fixed head 110, and preferably, substrate 122 is elongated, by aluminium or the copper one-tenth of perfect heat-dissipating; Plurality of LEDs luminescence chip 124 evenly distributes, and utilizes the chip on board encapsulation technology that LED luminescence chip 124 is encapsulated on the substrate 122, thus realize luminous evenly and guaranteed enough luminosity.

Further, led light source module plate 120 surface coverage are useful on the fluoresent coating 126 of wavelength conversion, and this fluoresent coating 126 is the YAG yellow fluorescent powder, can make LED luminescence chip 124 realize a wavelength conversion, make light dazzle-free.

The stereo luminous device 100 of LED is with reference to figure 4, and fixed head 110 is made by glass fibre, and it offers notch 112, and the two ends of led light source module plate 120 are plugged in notch 112, more specifically, are that substrate 122 two ends in the led light source module plate 120 are plugged in notch 112.In other embodiments, fixed head 110 also can be fixed in by a glue or screw in substrate 122 two ends.

With reference to figure 5, stereo luminous device 100 cowling panels 130 of LED comprise that cowling panel 130 comprises protective tube F1, decompression capacitor C1, current-limiting resistance R1 and rectifier cell BR1.

Rectifier cell BR1 is rectifier bridge, comprises first output 1, second input 2, anodal deferent segment 3 and cathode output end 4; First end of protective tube F1 is connected with the output of AC power AC, second end of protective tube F1 is connected with the first input end 1 of rectifier cell BR1 through decompression capacitor C1, and second input 2 of rectifier cell BR1 is connected with another output of AC power AC; The cathode output end 3 of rectifier cell BR1 is connected with the positive pole of LED luminescence chip 124124, and the cathode output end 4 of rectifier cell BR1 is connected with the negative pole of LED luminescence chip 124 through current-limiting resistance R1.

When the stereo luminous device 100 of LED connected the AC power AC of 220V or 110V, under improper situation, i.e. during overburden operation, protective tube F1 by self fusing, cut off circuit with the stereo luminous device 100 of protection LED as the safety element in the circuit; Decompression capacitor C1 plays step-down and current limliting, and then transfers interchange to direct current by rectifier cell BR1, and direct-current power supply LED luminescence chip 124 is provided; Current-limiting resistance R1 plays electric current in the restriction circuit, and protection LED luminescence chip 124 is not subjected to the impact of big electric current.Cowling panel 130 is hidden in the space that led light source module plate 120 surrounds, and contact conductor 140 passes by the through hole 114 of fixed head 110.

The stereo luminous device 100 of above-mentioned LED is realized the three-dimensional full Zhou Faguang of small size 360 degree, simultaneously simply by formation three-dimensional light source that a plurality of led light source module plates 120 are formed a circle, at built-in cowling panel 130, need not the drive circuit of external complexity, reduced cost, reduced the volume of light source.

The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (6)

1. the stereo luminous device of LED is characterized in that, comprising:

Two fixed heads that relative orientation arranges;

At least three led light source module plates that form a circle and be fixed between two described fixed heads;

By contact conductor be connected with AC power and output DC to the cowling panel of described led light source module plate, described cowling panel is located at the inboard of the circle that described led light source module plate surrounds.

2. the stereo luminous device of LED as claimed in claim 1 is characterized in that, described led light source module plate comprises that two ends are individually fixed in substrate and many LED luminescence chips that evenly distribute and be encapsulated on the described substrate of described fixed head.

3. the stereo luminous device of LED as claimed in claim 2 is characterized in that, described substrate is elongated.

4. as claim 1, the stereo luminous device of 2 or 3 described LED, it is characterized in that described led light source module plate surface coverage is useful on the fluoresent coating of wavelength conversion.

5. the stereo luminous device of LED as claimed in claim 1 is characterized in that, described fixed head offers notch, and the two ends of described led light source module plate are plugged in described notch.

6. the stereo luminous device of LED as claimed in claim 2 is characterized in that, described cowling panel comprises protective tube, decompression capacitor, current-limiting resistance and rectifier cell, wherein,

Described rectifier cell comprises first output, second input, anodal deferent segment and cathode output end;

First end of described protective tube is connected with an output of described AC power, second end is connected with the first input end of described rectifier cell through described decompression capacitor, and second input of described rectifier cell is connected with another output of described AC power;

The cathode output end of described rectifier cell is connected with the positive pole of described LED luminescence chip, and the cathode output end of described rectifier cell is connected through the negative pole of described current-limiting resistance with described LED luminescence chip.

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