CN210601090U

CN210601090U - Spherical projection lamp

Info

Publication number: CN210601090U
Application number: CN201921774797.5U
Authority: CN
Inventors: 尤青兰
Original assignee: Fuzhou Kangxin Lighting Co ltd
Current assignee: Fuzhou Kangxin Lighting Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-05-22
Anticipated expiration: 2029-10-22

Abstract

The utility model relates to a spherical projecting lamp. The LED lamp comprises a radiator and a plurality of groups of light projecting units, wherein the outer peripheral wall of the radiator is composed of a plurality of side wall plates, and each group of light projecting units are respectively and correspondingly arranged on the outer side of each side wall plate of the radiator; each group of light projection units comprises a light source plate and a lampshade assembly; the lampshade assembly comprises a diffusion lampshade covering the light source plate and a reflector arranged in the diffusion lampshade; the opening edge of the diffusion lampshade is fixedly connected to the side wall plate of the radiator, the light source plate is arranged in the lampshade cavity, and the reflector plate is fixedly installed on the top wall of the lampshade cavity and outwards extends from the position above the light source plate to reflect light rays irradiated onto the reflector plate by the light source plate. The utility model discloses all install the light projection unit in each lateral wall version outside of radiator, can realize using this projecting lamp to throw as the circular region at center, and owing to be equipped with the reflector panel in the light projection unit, under the equal power condition, can realize satisfying more work needs to the shining of bigger area scope.

Description

Spherical projection lamp

Technical Field

The utility model relates to a lamps and lanterns field is a spherical projecting lamp very much.

Background

Most of LED lampshade projection lamps in the current market are single projection lamps, namely one projection lamp only provides projection in one direction, and a plurality of single projection lamps need to be arranged around the position of a circle center to realize irradiation of a circular area taking the projection lamp as the center, so that the structure of the whole projection lamp group is complicated; and the beam angle of current LED lamp shade projecting lamp is generally below 120, and most of light concentrates on under the projecting lamp, can lead to the light of far away scope like this and be weaker, can't satisfy the demand of farther apart from shining.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: overcome above shortcoming and provide a spherical projecting lamp, this projecting lamp all installs the light projecting unit in each lateral wall version outside of radiator, can realize using this projecting lamp to throw as the circular region of center, and owing to be equipped with the reflector panel in the light projecting unit, under the equal power condition, can realize more regional scope's irradiation, satisfy more work needs.

The utility model discloses a following technical scheme realizes: the utility model provides a spherical projecting lamp which characterized in that: the spherical projection lamp comprises a radiator and a plurality of groups of light projecting units, wherein the peripheral wall of the radiator is composed of a plurality of vertically arranged side wall plates which are sequentially connected around the vertically arranged central line of the radiator, and each group of light projecting units are respectively and correspondingly arranged on the outer side of each side wall plate of the radiator;

each group of light projection units comprises a light source plate and a lampshade assembly; the light source plate comprises a light source plate main body and a plurality of LED lamp beads, wherein the light source plate main body is fixedly arranged on the outer side of the side wall plate of the radiator and extends along the vertical direction; the lampshade assembly comprises a diffusion lampshade covering the light source plate and a reflector arranged in the diffusion lampshade; the inside lamp shade chamber that is equipped with an opening towards the side wall board direction of radiator of diffusion lamp shade, the opening edge fixed connection of diffusion lamp shade is on the side wall board of radiator, and the lamp shade chamber is arranged in to the light source board, reflector panel fixed mounting just is used for the light that the reflector panel shines on the reflector panel by the outside extension in light source board top position on the roof in lamp shade chamber. The radiator is integrally formed by a high-heat-conductivity aluminum extrusion die.

The working principle and the process are as follows: as shown in fig. 5, the inherent beam angle of the LED lamp bead is 120 °. The utility model discloses install the light source board in the lateral wall board outer wall side of radiator and erect and put the setting, as shown in fig. 6, the light that each LED lamp pearl provided, light in 0-60 within range can project the far away department of relative this projecting lamp through the diffusion lamp shade that has the light diffusion function, light in 60-120 within range, upwards throw probably by extravagant light promptly, most can project the more nearly department of relative projecting lamp through the diffusion lamp shade that has the light diffusion function through the reflection of reflector panel, under the intermixing of each far and near light, can realize the evenly distributed of light on ground, make under the equal power condition, can realize the illumination to bigger area scope, satisfy more work needs, the maximum light intensity beam angle can reach 150 degrees (can be known by figure 8).

For better implementation of the scheme, the following optimization scheme is also provided:

preferably, the light reflecting plate extends in a direction perpendicular to the side wall plate of the heat sink.

Preferably, the angle between the connecting line of the outermost edge of the reflector and the LED lamp bead positioned at the lowermost part of the light source plate and the light source plate is greater than 30 degrees.

Preferably, the radiator comprises a prismatic and vertically-arranged radiator body, the middle part of the radiator body is provided with a radiating slot hole which penetrates through the upper end face and the lower end face of the radiator body from top to bottom and radiating fins which are vertically distributed in the radiating slot hole at intervals and connected to the inner peripheral wall of the radiating slot hole.

Preferably, the cross section of the radiator in the direction perpendicular to the vertical extension direction of the radiator is square or polygonal.

Preferably, the spherical projector further comprises a power pack fixedly installed in a heat dissipation slot of the heat sink.

Preferably, the diffusion lampshade is made of light diffusion PC material, and the angle of the included angle a between the outer side cover wall at the side opposite to the light source plate and the upper side cover wall of the diffusion lampshade is as follows: 60 DEG ≦ a ≦ 76 deg.

Preferably, the cover assembly further comprises a sealing ring disposed between the heat sink side wall plate and the edge of the opening of the diffusion cover.

Preferably, each set of light projection units further comprises a protective cover disposed over the top of the diffusion lampshade.

Preferably, the spherical projector further comprises a handle fixedly arranged above the top of the radiator.

Compared with the prior art, the utility model has the advantages that:

1. the utility model provides a spherical projecting lamp, this projecting lamp all install the light projecting unit on the lateral wall of each side wall board of radiator, can realize using this projecting lamp to throw as the circular region at center, and because be equipped with the reflector panel in the light projecting unit, under the equal power condition, can realize satisfying more work needs to the shining of bigger regional scope.

2. The utility model discloses on the internal perisporium of well radiator interval distribution in heat dissipation slotted hole, the heat on each light source board distributes out from the fin, and the hot-air rises from the top outflow, and the cold air inflow in bottom forms the radiating effect of convection current, and whole radiating effect is good, and the thermal resistance is 0.17 ℃/w.

3. The utility model provides a power pack fixed mounting is in the heat dissipation slotted hole of radiator for the more compact of overall structure of projecting lamp.

4. The utility model provides a diffusion lamp shade is made by light diffusion PC material, and the angle that the contained angle a of diffusion lamp shade between the side cover wall on the outside cover wall of one side relative with the light source board and diffusion lamp shade is 60 a ≦ 76, and preferred a ≦ 75 makes the diffusion lamp shade of making by light diffusion PC material can let the grading effect of whole projecting lamp reach the best, makes the molding elegant appearance of projecting lamp simultaneously.

5. The utility model provides a sealing washer is inlayed in the lamp shade groove, fixes on the lateral wall of radiator with the screw clamp, plays waterproof, dirt-proof effect, and the protection level reaches IP 67.

6. The utility model provides a light projection unit is still including setting up the safety cover on diffusion lamp shade top, and this safety cover plays protection such as waterproof, dustproof, and inside lays the cable conductor and uses.

7. The utility model discloses still including fixed setting up the handle on the radiator top, made things convenient for the guide of this projecting lamp to support.

8. The utility model discloses still have light utilization efficiency height (can reach 115-.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the spherical projection lamp of the present invention;

fig. 2 is a schematic diagram of the three-dimensional explosion of the spherical projection lamp of the present invention;

fig. 3 is an exploded view of the projection unit and the heat sink in a viewing angle according to the present invention;

fig. 4 is an exploded view of the light projection unit and the heat sink at another view angle according to the present invention;

FIG. 5 is a schematic diagram of a beam angle of an LED lamp bead;

fig. 6 is a schematic diagram of the light path of the spherical projector of the present invention;

FIG. 7 is an illuminance distribution diagram of LED lamp bead light source irradiating downward facing the ground;

FIG. 8 is a distribution diagram of the illumination directly under the ground;

FIG. 9 is an actually measured light distribution diagram of the present invention without the lampshade assembly under the power of 320W;

fig. 10 is an actually measured light distribution diagram of the lampshade assembly installed under the power of 320W.

Description of reference numerals: 1-radiator, 11-radiator body, 111-side wall plate, 12-radiating slot hole, 13-radiating fin, 2-light projecting unit, 21-light source plate, 211-light source plate main body, 212-LED lamp bead, 22-lamp shade component, 221-diffusing lamp shade, 2211-lamp shade cavity, 222-reflector plate, 223-sealing ring, 23-protective cover, 3-power supply group and 4-handle.

Detailed Description

The invention is explained in detail below with reference to the accompanying drawings:

as shown in fig. 1-10, the utility model relates to a spherical projecting lamp, its characterized in that: the spherical projection lamp comprises a radiator 1 and a plurality of groups of light projecting units 2, the peripheral wall of the radiator 1 is composed of a plurality of vertical side wall plates 111 which are sequentially connected around the vertical central line of the radiator 1, and each group of light projecting units 2 are respectively and correspondingly arranged on the outer side of each side wall plate 111 of the radiator 1;

each group of light projection units 2 comprises a light source plate 21 and a lampshade assembly 22; the light source board 21 comprises a light source board main body 211 fixedly arranged on the outer side of the side wall board 111 of the radiator 1 and extending along the vertical direction, and a plurality of LED lamp beads 212 uniformly distributed on the light source board main body 211; the lamp shade assembly 22 comprises a diffusion lamp shade 221 covering the light source plate 21 and a reflecting plate 222 arranged in the diffusion lamp shade 221; the diffusion lampshade 221 is internally provided with a lampshade cavity 2211 with an opening facing the direction of the side wall plate 111 of the radiator 1, the edge of the opening of the diffusion lampshade 221 is fixedly connected to the side wall plate 111 of the radiator 1, the light source plate 21 is arranged in the lampshade cavity 2211, the reflector 222 is fixedly arranged on the top wall of the lampshade cavity 2211 and extends outwards from the position above the light source plate 21 for reflecting the light rays irradiated on the reflector 222 by the light source plate 21,

as shown in fig. 2 to 4, the light reflecting plate 222 preferably extends in a direction perpendicular to the side wall plate 111 of the heat sink 1. Wherein reflector panel 222 also can be the inclined setting of relative horizontal plane upwards, also belongs to the utility model discloses a scope of protection, radiator 1 is by high heat conduction aluminium extrusion die integrated into one piece.

Preferably, an included angle between a connecting line of the outermost edge of the light reflecting plate 222 and the LED bead 212 positioned at the lowest position of the light source plate 21 and the light source plate 21 is greater than 30 °.

As shown in fig. 2-4, preferably, the heat sink 1 includes a prismatic and vertically disposed heat sink body 11, a heat sink slot 12 penetrating through the upper and lower end faces of the heat sink body 11 from top to bottom and heat dissipation fins 13 vertically distributed in the heat sink slot 12 at intervals and connected to the inner peripheral wall of the heat sink slot 12 are disposed in the middle of the heat sink body 11.

As shown in fig. 2-4, the cross-section of the heat sink 1 perpendicular to the vertical extension of the heat sink 1 is preferably square or polygonal.

As shown in fig. 2, the floodlight preferably further comprises a power pack 3 fixedly mounted in a heat dissipation slot 12 of the heat sink 1.

As shown in fig. 6, preferably, the diffusion lamp cover 221 is made of a light diffusion PC material, and an angle of an included angle a between an outer side cover wall of the diffusion lamp cover 221 on a side opposite to the light source plate 21 and an upper side cover wall of the diffusion lamp cover 221 is: 60 DEG ≦ a ≦ 76 deg.

As shown in fig. 2, the globe assembly 22 preferably further includes a gasket 223 disposed between the sidewall plate of the heat sink 1 and the opening edge of the diffusion globe 221.

As shown in fig. 1-2, each set of light projection units 2 preferably further comprises a protective cover 23 disposed over the top of the diffuser cover 221.

As shown in fig. 1-2, the floodlight preferably further comprises a handle 4 fixedly disposed above the top of the heat sink 1.

Preferably, the light reflection plate 222 and the light source plate main body 211 are made of an aluminum material.

The light distribution conditions in fig. 7 are: luminous flux: 39858lm, wattage: 320.0w, correction coefficient: 1.0000. the light distribution conditions of fig. 8 are: luminous flux: 39858lm, wattage: 321.0w, correction coefficient: 1.0000. as can be seen from comparing fig. 7 and 8, the range of light distribution of fig. 8 becomes significantly larger with the same luminous flux. Can know through comparing fig. 9 and fig. 10, the utility model discloses a projecting lamp is adorned and is taken the obvious grow of the maximum light intensity that throws to on the ground behind the diffusion lamp shade of reflecting plate, and the light that explains toward sky shines falls on the ground after the reflection of reflecting plate is again through the refraction of diffusion lamp shade, has strengthened the luminance on ground.

While the present invention has been shown and described with reference to particular embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be limited, except as by the appended claims and their equivalents.

Claims

1. The utility model provides a spherical projecting lamp which characterized in that: the spherical projection lamp comprises a radiator (1) and a plurality of groups of projection units (2), wherein the peripheral wall of the radiator (1) consists of a plurality of vertically arranged side wall plates (111) which are sequentially connected around the vertically arranged central line of the radiator (1), and each group of projection units (2) are respectively and correspondingly arranged on the outer sides of the side wall plates (111) of the radiator (1);

each group of light projection units (2) comprises a light source plate (21) and a lampshade assembly (22); the light source board (21) comprises a light source board main body (211) which is fixedly arranged on the outer side of the side wall board (111) of the radiator (1) and extends along the vertical direction, and a plurality of LED lamp beads (212) which are uniformly distributed on the light source board main body (211); the lampshade assembly (22) comprises a diffusion lampshade (221) which covers the light source plate (21) and a reflector (222) which is arranged in the diffusion lampshade (221); diffusion lamp shade (221) inside is equipped with lamp shade chamber (2211) of an opening towards side wall board (111) direction of radiator (1), and the opening edge fixed connection of diffusion lamp shade (221) is on side wall board (111) of radiator (1), and during lamp shade chamber (2211) was arranged in to light source board (21), reflector panel (222) fixed mounting just is used for reflecting the light that light source board (21) shined on reflector panel (222) by light source board (21) top position outside extension on the roof of lamp shade chamber (2211).

2. The spherical projector according to claim 1, characterized in that: the reflector (222) extends in a direction perpendicular to the side wall plate (111) of the heat sink (1).

3. The spherical projector according to claim 2, characterized in that: the included angle between the connecting line of the outermost side edge of the reflector (222) and the LED lamp bead (212) positioned at the lowest part of the light source plate (21) and the light source plate (21) is more than 30 degrees.

4. A spherical projector according to any one of claims 1 to 3, characterized in that: the radiator (1) comprises a prismatic and vertically-arranged radiator body (11), wherein the middle part of the radiator body (11) is provided with a heat dissipation groove hole (12) which penetrates through the upper end surface and the lower end surface of the radiator body (11) from top to bottom and radiating fins (13) which are vertically distributed in the heat dissipation groove hole (12) at intervals and connected to the inner peripheral wall of the heat dissipation groove hole (12).

5. The spherical projector according to claim 4, characterized in that: the section of the radiator (1) perpendicular to the vertical extension direction of the radiator (1) is polygonal.

6. The spherical projector according to claim 4, characterized in that: the spherical projection lamp also comprises a power pack (3) fixedly arranged in a heat dissipation slotted hole (12) of the heat radiator (1).

7. The spherical projector according to claim 1, characterized in that: the diffusion lampshade (221) is made of light diffusion PC material, and the angle of the included angle a between the outer side lampshade wall of the diffusion lampshade (221) on the side opposite to the light source plate (21) and the upper side lampshade wall of the diffusion lampshade (221) is as follows: 60 DEG ≦ a ≦ 76 deg.

8. The spherical projector according to claim 1, characterized in that: the lampshade assembly (22) further comprises a sealing ring (223) arranged between the side wall plate of the radiator (1) and the opening edge of the diffusion lampshade (221).

9. The spherical projector according to claim 1, characterized in that: each group of light projection units (2) further comprises a protective cover (23) arranged above the top of the diffusion lampshade (221).

10. The spherical projector according to claim 1, characterized in that: the spherical projection lamp further comprises a handle (4) fixedly arranged above the top of the radiator (1).