CN211083761U

CN211083761U - L ED wall lamp with adjustable light emitting angle

Info

Publication number: CN211083761U
Application number: CN201922144741.8U
Authority: CN
Inventors: 潘年华; 赵安乐; 宋铖新
Original assignee: SNC Opto Electronic Co ltd
Current assignee: Shenzhen Lianyu photoelectric Co.,Ltd.
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-24
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses an L ED wall lamp of adjustable luminous angle, including the radiator, install L ED lamp plate on the radiator, cover the lens board on L ED lamp plate, its draught lies in still including opening casing and the first fastening screw that has the nut, the radiator is connected with opening casing rotary type, the opening casing includes roof, back wall and two relative lateral walls, and the bottom both sides of radiator are articulated with the bottom of opening casing lateral wall, and the roof is equipped with the rectangular hole that extends along the radiator rotation direction, and the radiator is equipped with first fastening screw hole, and the first fastening screw that has the nut passes behind the rectangular hole with first fastening screw hole locking connection, makes radiator and opening casing keep fixed the utility model discloses a L ED wall lamp, advantages such as specific adjustable luminous angle, radiating effect are good, the grading is effectual, simple to operate.

Description

L ED wall lamp with adjustable light emitting angle

Technical Field

The utility model relates to the field of lighting fixtures, especially, relate to an L ED wall lamp of adjustable luminous angle.

Background

L ED lamp adopts L ED as light source, has the advantages of energy saving, environmental protection, long service life and the like, and has widely replaced the lighting lamp of traditional light source.

L ED wall lamp is generally installed on the wall, can throw light on places such as corridor, courtyard path, and the luminous angle of traditional L ED wall lamp is fixed generally, can't adjust the illumination angle according to the illumination place is nimble.

On the other hand, the national safety standard has requirements on the light-emitting angle and the light-emitting intensity of the light-intercepting and semi-light-intercepting type illuminating lamps, namely when the angle is adjusted to form full light interception, the maximum light intensity direction is 0-65 degrees, and the light intensity values in the angle directions of 90 degrees and 80 degrees are respectively 10cd/1000lm and 30cd/1000lm or below; when the adjustment angle forms a half-cutoff, the maximum light intensity direction is 0 DEG to 75 DEG, and the light intensity values in the 90 DEG and 80 DEG angle directions are 50cd/100lm and 100cd/1000lm, respectively, or less. The product is designed to meet these requirements.

On the other hand, the traditional L ED wall lamp has poor heat dissipation effect, and long-term use can cause L ED to generate light attenuation, which affects the lighting effect and the service life of the wall lamp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an L ED wall lamp of adjustable luminous angle to satisfy the lighting needs of multiple occasion in a flexible way.

In order to achieve the purpose, the L ED wall lamp with the adjustable light emitting angle comprises a radiator, a L ED lamp panel installed on the radiator, and a lens plate covering the L ED lamp panel, and further comprises an opening shell and a first fastening screw with a nut, wherein the radiator is rotatably connected with the opening shell, the opening shell comprises a top wall, a rear wall and two opposite side walls, two sides of the bottom of the radiator are hinged to the bottom of the side walls of the opening shell, the top wall is provided with a long strip hole extending along the rotation direction of the radiator, the radiator is provided with a first fastening screw hole, the first fastening screw with the nut penetrates through the long strip hole and then is in locking connection with the first fastening screw hole, the radiator and the opening shell are kept fixed, the radiator rotates relative to the opening shell and can drive the L ED lamp panel to rotate so as to adjust the light emitting angle of the L ED lamp panel, the radiator and the radiator are fixed after the first fastening screw with the nut is screwed, the angle can be adjusted conveniently within a range limited by the long strip hole.

Compared with the structure that the tail of the traditional L ED wall lamp is completely attached to the wall and is difficult to realize ventilation and heat dissipation, the utility model discloses a setting the rear wall and the power supply installation wall to be separated in the front-rear direction and form the first ventilation gap, can make the air above the tail of the L ED wall lamp enter the opening shell from the first ventilation gap and the ventilation hole, thereby dissipating heat of the radiator and the L ED drive power supply.

Further, the radiator is equipped with a plurality of fin, the ventilation hole is a plurality of, and the ventilation hole is located the lower part of power installation wall, and L ED drive power supply installs on the upper portion of power installation wall and is located the top of ventilation hole, can prevent that the dust that comes from the ventilation hole from overstocking on L ED drive power supply, and the ventilation hole is towards the fin, can carry out good heat dissipation to the radiator.

Furthermore, the radiating fins of the radiator are approximately parallel to the side wall of the opening shell, the bottom end of the radiator and the rear wall of the radiator are spaced in the front-rear direction to form a second ventilation gap, and the space between two adjacent radiating fins is communicated with the ventilation hole and the second ventilation gap respectively, so that air can smoothly circulate in the opening shell, and the radiator and the L ED driving power supply can be well radiated.

Furthermore, the bottom end of the side wall is provided with an outer convex part, the inner side of the outer convex part is provided with a hook-shaped groove, the hook-side end of the hook-shaped groove is provided with a screw through hole, two sides of the bottom end of the radiator are provided with connecting columns, and the connecting columns are provided with second fastening screw holes; the connecting column of the radiator extends into the hook side end of the hook-shaped groove, and the second fastening screw penetrates through the screw through hole in the outer convex part to be connected with the second fastening screw hole of the connecting column so as to realize the hinging of the radiator and the opening shell. The hook-shaped groove and the connecting column are arranged, so that the radiator can be quickly and conveniently installed on the opening shell.

The L ED wall lamp meets the standard requirements of full-cutoff and half-cutoff, namely when the angle is adjusted to form full-cutoff, the maximum light intensity direction is 0-65 degrees, and the light intensity values in the 90-degree and 80-degree angular directions are respectively 10cd/1000lm and 30cd/1000lm or less, when the angle is adjusted to form half-cutoff, the maximum light intensity direction is 0-75 degrees, and the light intensity values in the 90-degree and 80-degree angular directions are respectively 50cd/100lm and 100cd/1000lm or less.

Further, the two cambered convex hull parts of the lens are transversely arranged, the light scattering part is positioned at the upper sides of the two cambered convex hull parts, and the light scattering part is closer to the top wall of the opening shell relative to the two cambered convex hull parts. Because the light that is derived towards the one side of the roof of opening casing of lens is more outside towards the road surface, set up astigmatic portion for two cambered surface convex closure portions are closer to the roof of opening casing, can reach better when full cut off light or half cut off light, in 90 and 80 degrees angular directions accord with above-mentioned light intensity value requirement.

Further, the L ED accommodating groove is half egg-shaped, and the sharper upper part of the L ED accommodating groove is closer to the top wall of the open shell than the broader lower part, so that the requirements of light intensity values in the angle directions of 90 degrees and 80 degrees can be better met when the light is cut off fully or half.

Further, when the relative opening casing of radiator rotated, the contained angle scope between the light emitting area of L ED lamp plate and the back wall was 55 ~ 95 promptly drives L ED lamp plate through rotating the radiator and rotates to adjust the luminous angle of L ED lamp plate, make the grading of L ED wall lamp carry out arbitrary regulation between two kinds of grading of full-length light and half-length light.

Further, the inner surface of the top wall of the opening shell comprises an arc surface, and the top surface of the radiator comprises an arc surface matched with the arc surface of the top wall; the side wall of the open shell is substantially fan-shaped.

The utility model has the advantages that the utility model discloses an L ED wall lamp, concrete adjustable luminous angle, radiating effect are good, the grading is effectual, advantages such as simple to operate.

Drawings

The invention will be further described with reference to the accompanying drawings and examples

Fig. 1 is a first perspective view of the embodiment of the present invention, which is a state before the heat sink and the L ED lamp panel are not rotated.

Fig. 2 is a second perspective view of the embodiment of the present invention, which is a state after the heat sink and the L ED lamp panel rotate to the maximum angle.

Fig. 3 is an enlarged view of fig. 1 at F1.

Fig. 4 is a third perspective view of the embodiment of the present invention.

Fig. 5 is an exploded view of the embodiment of the present invention.

Fig. 6 is an exploded view of the second embodiment of the present invention.

Fig. 7 is an enlarged view at F2 of fig. 5.

Fig. 8 is a first cross-sectional view of the embodiment of the present invention, which is a state before the heat sink and the L ED lamp panel are not rotated.

Fig. 9 is a second cross-sectional view of the embodiment of the present invention, which is a state after the heat sink and the L ED lamp panel rotate to the maximum angle.

Fig. 10 is a first side view of the embodiment of the present invention installed on a wall, which is a state before the heat sink and the L ED lamp panel are not rotated.

Fig. 11 is a second side view of the embodiment of the present invention, which is installed on a wall, and shows the state after the heat sink and the L ED lamp panel rotate to the maximum angle.

Fig. 12 is a front view of a lens according to an embodiment of the present invention.

Fig. 13 is a sectional view taken along line a-a of fig. 12.

Fig. 14 is a first perspective view of a lens according to an embodiment of the present invention.

Fig. 15 is a second perspective view of a lens according to an embodiment of the present invention.

Description of reference numerals:

1. the LED lamp comprises a radiator, a lamp panel 2, L ED, a lamp panel 3, a lens panel 4, an opening shell, a first fastening screw 5, a top wall 6, a top wall 7, a rear wall 8, a side wall 9, a long hole 10, a first fastening screw hole 11, a power supply mounting wall 12, a first ventilation gap 13, a ventilation hole 14, a L ED driving power supply 15, a radiating fin 16, a second ventilation gap 17, an outer convex part 18, a hook-shaped groove 19, a connecting column 20, a second fastening screw hole 21, a second fastening screw 22, a lens 23, a L ED accommodating groove 24, an arc convex bag part 25 and a light scattering part.

Detailed Description

Referring to fig. 1-14, a first preferred embodiment of the present invention, fig. 5-9, is a L ED wall lamp with an adjustable light emitting angle, including a heat sink 1, a L ED lamp panel 2 mounted on the heat sink 1, a lens plate 3 covering the L ED lamp panel 2, an opening housing 4 and a first fastening screw 5 with a nut, where the heat sink 1 is rotatably connected to the opening housing 4, the opening housing 4 includes a top wall 6, a rear wall 7 and two opposite side walls 8, the inner surface of the top wall 6 includes an arc surface, the top surface of the heat sink 1 includes an arc surface matching the arc surface of the top wall 6, the side wall 8 is substantially fan-shaped, both sides of the bottom of the heat sink 1 are hinged to the bottom of the side wall 8 of the opening housing 4, the top wall 6 is provided with a strip hole 3 extending in a rotation direction of the heat sink 1, the heat sink 1 is provided with a first fastening screw hole 10, the first fastening screw 5 with a nut penetrates through the strip hole 3 and is in locking connection with the first fastening screw hole 10, so that the heat sink 1 and the heat sink 4 are kept fixed, the heat sink 1 rotates relative to the opening housing 4, and can be conveniently adjusted in a range of the ED angle adjustment range that the lamp panel 2 and the light emitting lamp panel 2 can be adjusted.

4-9, the afterbody of roof 6 of opening casing 4 is equipped with downwardly extending power installation wall 11, L ED drive power supply 14 installs in opening casing 4 and is located power installation wall 11, back wall 7 is located the below of power installation wall 11, and back wall 7 and power installation wall 11 are at the interval and form first ventilation gap 12 in the back and forth direction, is equipped with ventilation hole 13 on power installation wall 11, compared with the structure that traditional L ED wall lamp afterbody is whole to be laminated on the wall and is difficult to realize ventilation cooling, the utility model discloses a through setting up back wall 7 and power installation wall 11 and at the interval and form first ventilation gap 12 in the back and forth direction, can make L ED air above the afterbody get into opening casing 4 from first ventilation gap 12 and ventilation hole 13 to dispel the heat to radiator 1 and L ED drive power supply 14.

Fig. 6 and 8, heat sink 1 is provided with a plurality of cooling fins 15, ventilation hole 13 is a plurality of, ventilation hole 13 is located the lower part of power installation wall 11, L ED drive power supply 14 is installed on the upper portion of power installation wall 11 and is located the top of ventilation hole 13, can prevent that the dust that comes in from ventilation hole 13 from piling up on L ED drive power supply 14, and ventilation hole 13 is towards cooling fins 15, can carry out good heat dissipation to heat sink 1.

In fig. 6 and 8, the heat dissipating fins 15 of the heat sink 1 are substantially parallel to the side walls 8 of the opening case 4, the bottom end of the heat sink 1 is spaced from the rear wall 7 in the front-rear direction to form second ventilating gaps 16, and the spaces between two adjacent heat dissipating fins 15 are respectively communicated with the ventilating holes 13 and the second ventilating gaps 16, so that air can smoothly circulate through the opening case 4, thereby dissipating heat of the heat sinks 1 and L ED driving power supplies 14 well.

In fig. 5 and 7, the bottom end of the side wall 8 is provided with an outer convex portion 17, the inner side of the outer convex portion 17 is provided with a hook-shaped groove 18, the hook-side end of the hook-shaped groove 18 is provided with a screw through hole, two sides of the bottom end of the heat sink 1 are provided with connecting columns 19, and the connecting columns 19 are provided with second fastening screw holes 20; the connecting column 19 of the heat sink 1 extends into the hook side end of the hook-shaped groove 18, and the second fastening screw 21 passes through the screw passing hole on the outer convex part 17 to be connected with the second fastening screw hole 20 of the connecting column 19, so as to realize the hinge joint of the heat sink 1 and the open shell 4. The provision of the hook-shaped groove 18 and the connection post 19 allows the heat sink 1 to be quickly and easily mounted to the open housing 4.

Fig. 1, 3, 12-15, a plurality of lenses 22 are disposed on the lens plate 3, each lens 22 corresponds to L ED, a L ED accommodating groove 23 is disposed on a light incident surface of each lens 22, a L ED accommodating groove 23 covers L ED, a light emergent surface of each lens 22 includes two arc convex hull portions 24 connected and symmetrically disposed, and an arc light-dispersing portion 25 connected with the two arc convex hull portions 24, the light-dispersing portion 25 semi-surrounds bottom side edges of the two arc convex hull portions 24, further light distribution can be performed on light rays on the same side of the two arc convex hull portions 24, so that the L ED wall lamp of the present invention meets standard requirements of full cutoff and half cutoff, that is, when the adjustment angle forms full cutoff, the maximum light intensity direction is 0-65 °, and the light intensity values in the 90 ° and 80 ° angular directions are 10cd/1000lm and 30cd/1000lm respectively, or less, and when the adjustment angle forms half cutoff, the maximum light intensity values in the 90 ° and 80 ° angular directions are 100cd/1000lm and 100lm respectively or less than 100/1000 lm respectively.

In fig. 1, 3, 12-15, the two convex arc-shaped hulls 24 of the lens 22 are arranged laterally, the light diffuser 25 is located on the upper side of the two convex arc-shaped hulls 24, and the light diffuser 25 is closer to the top wall 6 of the open housing 4 than the two convex arc-shaped hulls 24. Since the light led out from the side of the lens 22 close to the top wall 6 of the open housing 4 is directed further outside the road surface, the light-dispersing portion 25 is disposed closer to the top wall 6 of the open housing 4 than the two convex arc-shaped convex hulls 24, and the above-mentioned light intensity value requirements can be better met in the 90 ° and 80 ° angular directions in the full cutoff or half cutoff.

In fig. 15, the L ED receiving groove 23 is half egg-shaped, and the L ED receiving groove 23 has a sharper upper portion closer to the top wall 6 of the open housing 4 than a broader lower portion, so as to better meet the above light intensity requirements at 90 ° and 80 ° angles in the full or half cutoff.

Fig. 10 and 11, when the radiator 1 rotates relative to the opening shell 4, the range of the included angle B between the luminous surface of the L ED lamp panel 2 and the rear wall 7 is 55 degrees to 95 degrees, namely, the L ED lamp panel 2 is driven to rotate by rotating the radiator 1, so that the luminous angle of the L ED lamp panel 2 is adjusted, and the light distribution of the L ED wall lamp is adjusted randomly between the two light distributions of full-section light and half-section light.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. An L ED wall lamp with an adjustable light emitting angle comprises a radiator, a L ED lamp panel mounted on the radiator, and a lens panel covered on a L ED lamp panel, and is characterized by further comprising an open shell and a first fastening screw with a nut, wherein the radiator is rotatably connected with the open shell, the open shell comprises a top wall, a rear wall and two opposite side walls, two sides of the bottom of the radiator are hinged with the bottom of the side walls of the open shell, the top wall is provided with a long strip hole extending along the rotation direction of the radiator, the radiator is provided with a first fastening screw hole, and the first fastening screw with the nut penetrates through the long strip hole and then is in locking connection with the first fastening screw hole, so that the radiator and the open shell are kept fixed.

2. The L ED wall lamp with the adjustable light-emitting angle as claimed in claim 1, wherein a power supply mounting wall extending downwards is provided at a rear portion of the top wall of the open casing, L ED driving power supplies are mounted in the open casing and located on the power supply mounting wall, the rear wall is located below the power supply mounting wall, the rear wall and the power supply mounting wall are spaced in the front-rear direction to form a first ventilation gap, and ventilation holes are provided in the power supply mounting wall.

3. The L ED wall lamp with the adjustable light-emitting angle as claimed in claim 2, wherein the heat sink has a plurality of heat dissipating fins, the plurality of ventilation holes are located at the lower part of the power supply mounting wall, the L ED driving power supply is mounted at the upper part of the power supply mounting wall and located above the ventilation holes, and the ventilation holes face the heat dissipating fins.

4. An L ED wall lamp with adjustable light emitting angle as claimed in claim 3, wherein the heat sink has fins substantially parallel to the side walls of the open casing, the bottom end of the heat sink is spaced from the rear wall in the front-rear direction to form a second ventilating gap, and the space between two adjacent fins is respectively communicated with the ventilating hole and the second ventilating gap.

5. The L ED wall lamp with the adjustable light emitting angle as claimed in claim 3, wherein the bottom end of the side wall is provided with an outer protrusion, the inner side of the outer protrusion is provided with a hook-shaped groove, the hook-side end of the hook-shaped groove is provided with a screw through hole, the two sides of the bottom end of the heat sink are provided with connecting columns, the connecting columns are provided with second fastening screw holes, the connecting columns of the heat sink extend into the hook-side end of the hook-shaped groove, and the second fastening screws penetrate through the screw through holes in the outer protrusion to be connected with the second fastening screw holes in the connecting columns, so that the heat sink can be hinged.

6. The L ED wall lamp with the adjustable light emitting angle as claimed in claim 1, wherein the lens plate is provided with a plurality of lenses, each lens corresponds to one L ED, the light incident surface of each lens is provided with L ED accommodating grooves, each L ED accommodating groove covers L ED, the light emergent surface of each lens comprises two cambered convex hull parts which are connected and symmetrically arranged, and an arc-shaped light scattering part connected with the two cambered convex hull parts, and the light scattering part semi-surrounds the bottom side edges of the two cambered convex hull parts.

7. An L ED wall lamp with adjustable luminous angle as claimed in claim 6, wherein the two convex cambered surface hulls of the lens are transversely arranged, the light scattering part is located at the upper side of the two convex cambered surface hulls, and the light scattering part is closer to the top wall of the open shell relative to the two convex cambered surface hulls.

8. The L ED wall lamp with the adjustable lighting angle as claimed in claim 6, wherein the L ED receiving slot is half egg-shaped, and the sharper upper portion of the L ED receiving slot is closer to the top wall of the open shell than the broader lower portion.

9. The L ED wall lamp with the adjustable light-emitting angle as claimed in claim 1, wherein when the heat sink rotates relative to the opening shell, an included angle between the light-emitting surface and the rear wall of the L ED lamp panel is 55-95 °.

10. An L ED wall lamp with adjustable light emitting angle as claimed in claim 1, wherein the inner surface of the top wall of the open casing has an arc surface, the top surface of the heat sink has an arc surface matching with the arc surface of the top wall, and the side wall of the open casing is substantially fan-shaped.