CN206001279U

CN206001279U - A kind of direct-illumination type panel lamp

Info

Publication number: CN206001279U
Application number: CN201620759940.3U
Authority: CN
Inventors: 汪旭煌
Original assignee: Shanghai Dangoo Electronic Trading Co Ltd
Current assignee: Kotya lighting (Shanghai) Co.,Ltd.
Priority date: 2016-07-19
Filing date: 2016-07-19
Publication date: 2017-03-08
Anticipated expiration: 2026-07-19

Abstract

This utility model is related to LED light device, more particularly, to a kind of direct-illumination type panel lamp, at least include underframe, pcb board, LED array, diffuser plate and top frame, underframe includes a base plate and side wall, side wall ring constitutes a horn opening around the edge of base plate, pcb board is fixedly installed on base plate, and LED and lens arra are distributed with pcb board, diffuser plate passes through the open end that a top frame covers horn opening, and the light of LED array transmitting passes through diffuser plate and projects panel light, top frame is connected in the top of side wall, so that diffuser plate to be fixed on underframe, the sunk structure of taper is provided with the surface of diffuser plate that the light that LED array sends passes through, the panel light thickness being formed is low, packaging and cost of transportation can be reduced, simultaneously being capable of anti-dazzle, UGR can be less than 19.

Description

A kind of direct-illumination type panel lamp

Technical field

This utility model is related to LED light device, more particularly, to a kind of direct-illumination type panel lamp.

Background technology

Because of it, LED lamp has the advantages that energy-saving and environmental protection and life-span length are gradually popularized.LED face under prior art Plate lamp mainly has two kinds：One is that side is illuminated, is achieved by the additional diffuser plate of light guide plate, is characterized in that light fixture compares But thin whole lamp is heavier and cost is higher, light efficiency is low and UGR can be more than 19；Second is straight-down negative.

Traditional straight-down negative LED panel lamp to make lamp surface no granular sensation by the way of low-power LED solid matter, this Mode want so that whole lamp thickness do low will make LED particle number increase a lot of so that cost is significantly increased, and this kind of The UGR of the panel light that mode is formed（Unified Glare Rating, type unified glare value）Do not possess anti-dazzle function.

Utility model content

The utility model proposes a kind of direct-illumination type panel lamp, including：

Underframe, including a base plate and side wall, described side wall ring constitutes a horn opening around the edge of described base plate；

Pcb board, is fixedly installed on described base plate, and LED array is distributed with described pcb board；

Diffuser plate, covers the open end of described horn opening, and the light of described LED array transmitting by a top frame Project described panel light through described diffuser plate；

Described top frame, is connected in the top of described side wall, described diffuser plate is fixed on underframe；

Wherein, the surface of described diffuser plate that the light that described LED array sends passes through is provided with the depression knot of taper Structure.

Above-mentioned direct type ultrathin panel light, wherein, also includes：

One reflectance coating, is arranged at described LED array and deviates from a side surface of described diffuser plate.

Above-mentioned direct type ultrathin panel light, wherein, described sunk structure be shaped as circular cone or positive triangular pyramid or positive four Pyramid.

Above-mentioned direct type ultrathin panel light, wherein, described base plate and described sidewall surfaces are coated with reflective coating or spray Scribble reflection paint.

Above-mentioned direct type ultrathin panel light, wherein, the one side that described diffuser plate is provided with described sunk structure deviates from institute State LED array.

Above-mentioned direct type ultrathin panel light, described LED array includes multiple LED lamp bead, and wherein, described pcb board includes：

Multiple lamp bars PCB, parallel and be equally spacedly arranged on described base plate；

Equally spacedly it is provided with multiple LED lamp bead in each described lamp bar PCB；

One LED lens are equiped with respectively on each described LED lamp bead；

One PCB connection strap, is connected with lamp bar PCB each described.

Above-mentioned direct type ultrathin panel light, wherein, the spacing of described LED in described lamp bar PCB is with described LED to institute The ratio range stating the distance of the bottom surface of diffuser plate is 2.5 ~ 3.

Above-mentioned direct type ultrathin panel light, wherein, also includes：

One driver, is connected with described PCB connection strap.

Above-mentioned direct type ultrathin panel light, described driver is arranged at the sidepiece of described underframe；Wherein, also include：

One driver cover plate, the sidepiece being arranged at described underframe is to cover described driver.

Above-mentioned direct type ultrathin panel light, wherein, described side wall is provided with hierarchic structure, described LED array directive The light of described side wall transmits described panel light through the zone line that described hierarchic structure reflexes to described diffuser plate.

Beneficial effect：The utility model proposes direct-illumination type panel lamp thickness of thin, can reduce packaging and cost of transportation, Simultaneously can anti-dazzle, UGR can be less than 19.

Brief description

Fig. 1：The explosive view of the direct-illumination type panel lamp in this utility model one embodiment；

Fig. 2：The explosive view of the direct-illumination type panel lamp in this utility model one embodiment；

Fig. 3：The top oblique view of the diffuser plate in this utility model one embodiment；

Fig. 4：The top oblique view of the diffuser plate in this utility model one embodiment；

Fig. 5：The top oblique view of the diffuser plate in this utility model one embodiment；

Fig. 6：The side view of the diffuser plate in Fig. 4；

Fig. 7：The cut-away side view of the direct-illumination type panel lamp in this utility model one embodiment.

Specific embodiment

In conjunction with accompanying drawing, this utility model specific embodiment is described further.

In a preferred embodiment, as shown in Figure 1 it is proposed that a kind of direct-illumination type panel lamp, can include：

Underframe 10, can include a base plate 11 and side wall 12, and side wall 12 constitutes one around the edge of base plate 11 and tubaeform opens Mouthful；

Pcb board 20, can be fixedly installed on base plate 10；LED array 25 can be distributed with pcb board 20；

Diffuser plate 30, can cover the open end of horn opening by a top frame 40, and the light of LED array 25 transmitting Line can project panel light through diffuser plate 30；

Top frame 40, is connected in the top of side wall 12, diffuser plate 30 is fixed on underframe 10；

Wherein, the surface of diffuser plate 30 that the light that LED array 25 sends passes through is provided with pyramidal structure.

Wherein, the base material of diffuser plate 30 can be PMMA（Polymethyl methacrylate, poly-methyl methacrylate Ester）、PC（Polycarbonate, Merlon）、PS （Poly Styrene, polystyrene）Deng, and on diffuser plate 30 surface Micro structure can be provided with, for example, can be pyramidal structure, for adjusting outgoing light homogeneity and there is the effect of anti-dazzle；Should Diffuser plate 30 can be considered as a kind of anti-glazing light diffusing sheet, and referred to as diffuser plate only describes its effect, its architectural feature and placement Direction determine that it plays the effect still gathered of diffusion in the conductive process of the light that LED 25 sends（In the present embodiment preferably Act the effect of gathering）；The formation process of sunk structure can be printed by rolling；Outside each LED 25 can sheathed just like figure Lens shown in 7, the anaclasis that go out in front are gone out light to lens profile and then in front of reducing；The shape of base plate 11 can be square Shape or other shapes, if base plate 11 is rectangle, be in the side wall 12 above base plate 11 edge（Can be with base plate 11 1 Body formed）Can also be to surround a rectangular shape, the light that LED is sent farthest is assembled.

In a preferred embodiment, as shown in Fig. 2 this direct-illumination type panel lamp can also include：

One reflectance coating 250, can be arranged at LED array 25 and deviate from a side surface of diffuser plate 230.

Wherein, the shape of reflectance coating 250 can be designed according to practical situation, such as the shape shown in Fig. 2, this shape Agree with the shape phase of underframe；Preferably, reflectance coating 250 can be arranged the aperture that promising LED array reserves so that reflectance coating 250 can be fixed on base plate 11 just；Can also be on base plate 11 setting place pcb board and LED array groove so that Reflectance coating 250 does not need preformed hole footpath to be mountable on base plate 11；Both the above is preferred situation, and it is right to be not construed as Restriction of the present utility model, other mounting arrangement modes also should be considered to be encompassed in this utility model.

In several preferred embodiments, the shape of groove structure can be circular cone as shown in Figure 3 or as shown in Figure 4 Positive triangular pyramid or positive rectangular pyramid as shown in Figure 5, are gathered with the light that wide-angle is mapped on diffuser plate and then are played receipts light Effect.

Wherein, Fig. 6 is the side sectional view of the diffuser plate that the sunk structure shown in Fig. 4 is positive triangular pyramid；But this is one Plant preferred situation, the forming method that other have the diffuser plate of light harvesting or astigmatism effect also should include in this utility model, For example multiple bulge-structures are set in smooth diffuser surface, multiple neighbouring bulge-structures surround a sunk structure.

In a preferred embodiment, base plate and sidewall surfaces can be coated with reflective coating or spraying reflection paint.

In a preferred embodiment, the one side that diffuser plate is provided with sunk structure can deviate from LED array.

In a preferred embodiment, LED array can include multiple LED lamp bead, as shown in Fig. 2 pcb board can wrap Include：

Multiple lamp bars PCB 221, can parallel and equally spacedly be arranged on base plate 211；

Multiple LED lamp bead can be equally spacedly provided with each lamp bar PCB 221（Do not mark in accompanying drawing 2）；

One PCB connection strap 222, is connected with each lamp bar PCB 221.

It is preferable that as shown in Fig. 2 the spacing of LED in lamp bar PCB 221 and LED are to diffuser plate in above-described embodiment The ratio range of the distance of 230 bottom surface is 2.5 ~ 3.Due to the layout in this utility model and relate to make the number of LED Amount reduces, and therefore above-mentioned 2.5 ~ 3 ratio is significantly larger than other panel lights existing.

It is preferable that as shown in Fig. 2 this direct-illumination type panel lamp can also include in the above embodiments：

One driver 260, can be connected with PCB connection strap 222.

It is preferable that as shown in Fig. 2 driver 260 can be arranged at the sidepiece of underframe in above-described embodiment；This straight-down negative Panel light can also include：

One driver cover plate 270, the sidepiece being arranged at underframe is to cover driver 260.But it is only for a kind of preferred Situation, is not construed as to restriction of the present utility model.

In a preferred embodiment, as shown in fig. 7, hierarchic structure 713, LED array can be provided with side wall 712 The light of directive side wall 712 transmits panel light through the zone line that hierarchic structure 713 reflexes to diffuser plate, to avoid light to exist The generation of the outer ring bright fringess that outer ring concentrations lead to.

In sum, the utility model proposes a kind of direct-illumination type panel lamp, at least include underframe, pcb board, LED array, Diffuser plate and top frame, underframe includes a base plate and side wall, and side wall ring constitutes a horn opening around the edge of base plate, and pcb board is solid Surely it is arranged on base plate, and LED array is distributed with pcb board, diffuser plate passes through the opening that a top frame covers horn opening Portion, and the light of LED array transmitting passes through diffuser plate injection panel light, top frame is connected in the top of side wall, and diffuser plate is solid On underframe, the surface of diffuser plate of light transmission that LED array sends is provided with the sunk structure of taper, is formed Panel light thickness low, packaging and cost of transportation can be reduced, simultaneously can anti-dazzle, UGR can be less than 19.

By explanation and accompanying drawing, give the exemplary embodiments of specific embodiment, based on this utility model spirit, also may be used Make other conversions.Although above-mentioned utility model provides an embodiment, however, these contents are not intended as limiting to.

For a person skilled in the art, after reading described above, various changes and modifications undoubtedly will be evident that. Therefore, appending claims should regard the whole variations and modifications covering true intention of the present utility model and scope as. Any and all scope of equal value and content in Claims scope, are all considered as still belonging to intention of the present utility model and model In enclosing.

Claims

1. a kind of direct-illumination type panel lamp is it is characterised in that include：

Diffuser plate, covers the open end of described horn opening by a top frame, and the light of described LED array transmitting passes through Described diffuser plate projects described panel light；

Wherein, the surface of described diffuser plate that the light that described LED array sends passes through is provided with the sunk structure of taper.

2. direct-illumination type panel lamp according to claim 1 is it is characterised in that also include：

3. direct-illumination type panel lamp according to claim 1 it is characterised in that described sunk structure be shaped as circular cone or just Triangular pyramid or positive rectangular pyramid.

4. direct-illumination type panel lamp according to claim 1 is it is characterised in that described base plate and described sidewall surfaces are coated with Reflective coating or be coated with reflection paint.

5. direct-illumination type panel lamp according to claim 1 is it is characterised in that described diffuser plate is provided with described depression knot The one side of structure deviates from described LED array.

6. direct-illumination type panel lamp according to claim 1, described LED array include multiple LED lamp bead it is characterised in that Described pcb board includes：

Multiple described LED lamp bead are equally spacedly provided with each described lamp bar PCB；

One LED lens are equiped with respectively on each described LED lamp bead；

One PCB connection strap, is connected with lamp bar PCB each described.

7. direct-illumination type panel lamp according to claim 6 is it is characterised in that described LED lamp bead in described lamp bar PCB Spacing is 2.5～3 with the ratio range of the distance of the bottom surface to described diffuser plate for the described LED lamp bead.

8. direct-illumination type panel lamp according to claim 6 is it is characterised in that also include：

One driver, is connected with described PCB connection strap.

9. direct-illumination type panel lamp according to claim 8, described driver is arranged at the sidepiece of described underframe；Its feature exists In also including：

10. direct-illumination type panel lamp according to claim 1 is it is characterised in that be provided with hierarchic structure on the wall of described side, institute The light stating side wall described in LED array directive transmits institute through the zone line that described hierarchic structure reflexes to described diffuser plate State panel light.