CN203674209U

CN203674209U - Integrated drive LED light source

Info

Publication number: CN203674209U
Application number: CN201320772820.3U
Authority: CN
Inventors: 刘达樊; 范志开; 邹纯江; 卢新伟
Original assignee: ZONOPO INTELLIGENT TECHNOLOGIES Co Ltd
Current assignee: Guangdong Zonopo Intelligent Co., Ltd.
Priority date: 2013-11-28
Filing date: 2013-11-28
Publication date: 2014-06-25
Anticipated expiration: 2023-11-28

Abstract

The utility model provides an integrated drive LED light source comprising a PCB, LED chips and a radiator attached to the bottom of the PCB. The LED chips include high voltage blue chips and a red chip, which are arranged on the PCB in a way of area segmentation. The area ratio of the red chip and the blue chip is 1:4. Yellow fluorescent powder is encapsulated on the high voltage blue chips. Prisms are respectively arranged on two ends of the PCB. The radiator comprises an upper cooling plate and a lower ventilation plate, wherein the cooling plate is fixed on the ventilation plate. According to the utility model, through cooperation of the high voltage blue chips, the red chip and the yellow fluorescent powder, three colors of red, yellow and blue are combined organically, reaching an effect of warm white light, thereby improving color rendering. In addition, through adjusting the proportion of the red chip and the blue chips, white light saturation is adjusted.

Description

Integrated driving LED light source

Technical field

The utility model belongs to LED light source technical field, is specifically related to integrated driving LED light source.

Background technology

At present, worldwide energy shortage has caused the great attention of various countries to power-saving technology, and at Devoting Major Efforts To Developing, such as solar energy, when the renewable and clean energy resources such as wind energy, various countries have also strengthened dynamics rationally effectively utilizing aspect the energy.Being reflected in illumination aspect is exactly constantly weeding out the old and bring forth the new and extensive use of various new light sources.This wherein, with its low energy consumption, high light efficiency, life-span, long and its high reliability has caused and has paid close attention to and be progressively applied to more and more widely lighting field light-emitting diode.

In prior art, the main method that realizes high-power planar white light source is that blue light or near ultraviolet chip excite yellow fluorescent powder to realize, especially the encapsulation of multi-chip basis light source substrate, still there are several deficiencies in the light source of this encapsulation, the one, the color rendering of light source is not fine, especially illuminating product is used in the place that crowd concentrates, can bring the familiar lacunas of light source, although there are many enterprises to attempt to obtain high-color rendering by mixing the method for red fluorescence powder, be that to sacrifice certain light efficiency be cost; The 2nd, the light efficiency of integrated chip light source is not high enough, light decay phenomenon is more serious, can bring familiar lacunas to illuminating product, is unfavorable for extensive use; The 3rd, the light that existing white light LEDs sends mainly around extends along semiconductor chip top and semiconductor chip, wherein the light of semiconductor chip top is for using up, semiconductor chip light around causes those skilled in the art often to say light leakage phenomena because not being actually utilized, and light leak will cause light source loss.

Utility model content

The purpose of this utility model is to overcome weak point of the prior art, provides the excellent high pressure of a kind of high light efficiency and color rendering integrated driving LED light source.

The purpose of this utility model is achieved through the following technical solutions:

Integrated driving LED light source, comprise pcb board, LED chip and be mounted on the radiator at pcb board top, described LED chip is made up of high pressure blue chip and red light chips, described red light chips and high pressure blue chip are arranged on pcb board by Region Segmentation form, the size ratio in red light chips region and high pressure blue chip region is 1:4, on described high pressure blue chip, is packaged with yellow fluorescent powder;

Described pcb board two ends are respectively arranged with prism, described prism by transparent entering light face, the transparent light echo face vertical with entering light face and connecting and composing with the reflective surface that enters light face and be acute angle setting, described in enter light face and be also vertically fixed on radiator;

Described radiator comprises superposed heating panel and is positioned at the ventilating board of bottom, heating panel is fixed on ventilating board, on described heating panel, be evenly provided with multiple heat radiation through holes, heat radiation through hole in the shape of a spiral, and amplify from top to bottom gradually in aperture, is provided with multiple tracks ventilation slot on described ventilating board, is also provided with the projection corresponding with the through hole that dispels the heat on described ventilating board, described projection is mated socket with the heat radiation through hole on described heating panel, and described projection is hollow form.

As improving technical scheme, the light sending with red light chips for the luminous energy that high pressure blue chip collocation yellow fluorescent powder is sent evenly mixes, the top of described radiator is equiped with prefocus cup, described pcb board, prism and high pressure blue chip, red light chips are all positioned at prefocus cup inside, the inwall of described prefocus cup is curved surface, and the diameter of prefocus cup is increase shape from bottom to top.

The utility model has the following advantages and beneficial effect compared to existing technology:

(1) the utility model, by the cooperation of high pressure blue chip, red light chips, yellow fluorescent powder, organically combines red, yellow, blue three kinds of colour systems, reaches the effect of sending out warm white, thereby has improved color developing; In addition, by regulating the ratio of red light chips and blue chip, reach the object that regulates white light saturation.

(2) the utility model, by prism is set around LED chip, makes light go out with angle total reflection vertically upward, and the availability of luminous energy is maximized, and has improved light efficiency.

(3) radiator that the utility model designs for high-power, high-voltage LED light sources, takes hole heat radiation and two kinds of radiating modes of ventilation hole heat radiation, has improved heat dispersion; And the employing of raising thermal diffusivity the subject of knowledge and the object of knowledge is simple in structure.

(4) the utility model evenly mixes the light of multiple colour system by prefocus cup is set, and further improves the color developing of light.

Accompanying drawing explanation

Fig. 1 is the present embodiment structural representation.

Embodiment

Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but the execution mode that the utility model is created is not limited to this.

Embodiment

As shown in Figure 1, the integrated driving LED light source that the utility model provides, comprise pcb board 1, be mounted on radiator and high pressure blue chip 2 and the red light chips 3 at pcb board top, the quantity of red light chips 3 is one, the quantity of high pressure blue chip 2 is four, red light chips 3 is arranged on pcb board 1 by Region Segmentation form with high pressure blue chip 2, wherein, red light chips 3 is positioned at the centre of four blue chips 2, the size ratio in red light chips 3 regions and high pressure blue chip 2 regions is 1:4, on high pressure blue chip 2, is packaged with yellow fluorescent powder.

In addition, pcb board 1 two ends are respectively arranged with prism, prism by transparent entering light face 41, the transparent light echo face 42 vertical with entering light face 41 and connecting and composing with the reflective surface 43 that enters light face 41 and be miter angle setting, enter light face 41 and be also vertically fixed on radiator; Radiator comprises superposed heating panel 5 and is positioned at the ventilating board 6 of bottom, heating panel 5 is fixed on ventilating board 6, on heating panel 5, be evenly provided with multiple heat radiation through holes, heat radiation through hole in the shape of a spiral, and amplify from top to bottom gradually in aperture, is provided with multiple tracks ventilation slot on ventilating board 6, is also provided with the projection corresponding with the through hole that dispels the heat on ventilating board 6, projection is mated socket with the heat radiation through hole on heating panel 5, and projection is hollow form.

The light sending with red light chips for the luminous energy that high pressure blue chip collocation yellow fluorescent powder is sent evenly mixes, the top of radiator is equiped with prefocus cup 7, pcb board 1, prism and high pressure blue chip 2 and red light chips 3 are all positioned at prefocus cup 7 inside, the inwall of prefocus cup 7 is curved surface, and the diameter of prefocus cup 7 is increase shape from bottom to top.

The above embodiment has only expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, not departing under prerequisite of the present utility model, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims

1. integrated driving LED light source, comprise pcb board, LED chip and be mounted on the radiator at pcb board top, it is characterized in that: described LED chip is made up of high pressure blue chip and red light chips, described red light chips and high pressure blue chip are arranged on pcb board by Region Segmentation form, the size ratio in red light chips region and high pressure blue chip region is 1:4, on described high pressure blue chip, is packaged with yellow fluorescent powder;

Described radiator comprises superposed heating panel and is positioned at the ventilating board of bottom, heating panel is fixed on ventilating board, on described heating panel, be evenly provided with multiple heat radiation through holes, heat radiation through hole in the shape of a spiral, and amplify from top to bottom gradually in aperture, is provided with multiple tracks ventilation slot on described ventilating board, is also provided with the projection corresponding with described heat radiation through hole on described ventilating board, described projection is mated socket with the heat radiation through hole on described heating panel, and described projection is hollow form.

2. integrated driving LED light source according to claim 1, it is characterized in that: the top of described radiator is equiped with prefocus cup, described pcb board, prism and high pressure blue chip, red light chips are all positioned at prefocus cup inside, the inwall of described prefocus cup is curved surface, and the diameter of prefocus cup is increase shape from bottom to top.