CN110878920A - LED wall lamp with adjustable light emitting angle - Google Patents

LED wall lamp with adjustable light emitting angle Download PDF

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Publication number
CN110878920A
CN110878920A CN201911223602.2A CN201911223602A CN110878920A CN 110878920 A CN110878920 A CN 110878920A CN 201911223602 A CN201911223602 A CN 201911223602A CN 110878920 A CN110878920 A CN 110878920A
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CN
China
Prior art keywords
led
radiator
wall
light emitting
opening shell
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Granted
Application number
CN201911223602.2A
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Chinese (zh)
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CN110878920B (en
Inventor
潘年华
赵安乐
宋铖新
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SNC Opto Electronic Co ltd
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SNC Opto Electronic Co ltd
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Priority to CN201911223602.2A priority Critical patent/CN110878920B/en
Publication of CN110878920A publication Critical patent/CN110878920A/en
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Publication of CN110878920B publication Critical patent/CN110878920B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Architecture (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses an LED wall lamp with adjustable light emitting angle, which comprises a radiator, an LED lamp panel arranged on the radiator and a lens plate covering the LED lamp panel, and is characterized in that: the radiator is rotatably connected with the opening shell; the opening shell comprises a top wall, a rear wall and two opposite side walls, and two sides of the bottom of the radiator are hinged with 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, and a first fastening screw with a 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 opening shell are kept fixed. The LED wall lamp has the advantages of adjustable light emitting angle, good heat dissipation effect, good light distribution effect, convenience in installation and the like.

Description

LED wall lamp with adjustable light emitting angle
Technical Field
The invention relates to the field of lamps, in particular to an LED wall lamp with an adjustable light emitting angle.
Background
The LED lamp adopts the LED as a light source, has the advantages of energy conservation, environmental protection, long service life and the like, and has widely replaced the traditional light source.
The LED wall lamp is generally installed on the wall, can throw light on places such as corridor, courtyard path, and the luminous angle of traditional LED wall lamp is generally fixed, 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 heat dissipation effect of traditional LED wall lamp is poor, and long-term the use can make LED produce the light decay, influences its illuminating effect and life.
Disclosure of Invention
The invention aims to provide an LED wall lamp with an adjustable light-emitting angle, so as to flexibly meet the illumination requirements of various occasions.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides an LED wall lamp of adjustable luminous angle, includes the radiator, installs LED lamp plate on the radiator, covers the lens board of locating on the LED lamp plate, and its draught lies in: the radiator is rotatably connected with the opening shell; the opening shell comprises a top wall, a rear wall and two opposite side walls, and two sides of the bottom of the radiator are hinged with 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, and a first fastening screw with a 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 opening shell are kept fixed. The radiator rotates relative to the opening shell and can drive the LED lamp panel to rotate, so that the light emitting angle of the LED lamp panel is adjusted; and the radiator is fixed after the radiator is screwed by the first fastening screw with the nut, so that the angle can be adjusted more conveniently, and the angle can be adjusted randomly within the range limited by the strip hole.
Furthermore, a power supply installation wall extending downwards is arranged at the tail part of the top wall of the opening shell, and the LED driving power supply is installed in the opening shell and is positioned on the power supply installation wall; the rear wall is located below the power supply installation wall, the rear wall and the power supply installation wall are spaced in the front-rear direction to form a first ventilation gap, and the power supply installation wall is provided with ventilation holes. Compared with the structure that the tail of the traditional LED wall lamp is completely attached to the wall and ventilation and heat dissipation are difficult to achieve, the rear wall and the power supply installation wall are arranged at intervals in the front-rear direction to form the first ventilation gap, so that air above the tail of the LED wall lamp can enter the opening shell from the first ventilation gap and the ventilation holes, and heat dissipation is conducted on the radiator and the LED driving 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 LED drive power supply installs on the upper portion of power installation wall and is located the top in ventilation hole, can prevent that the dust that comes in from the ventilation hole from overstocking on LED 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 every 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 LED driving power supply are 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.
Furthermore, a plurality of lenses are arranged on the lens plate, and each lens corresponds to one LED; the LED illuminating lamp is characterized in that an LED accommodating groove is formed in the light incidence surface of the lens, the LED accommodating groove covers the LED, the light emergence surface of the lens comprises two arc-surface convex hull parts which are connected and symmetrically arranged, and an arc-shaped light scattering part connected with the two arc-surface convex hull parts, and the light scattering part semi-surrounds the bottom side edges of the two arc-surface convex hull parts. The light rays on the same side of the two cambered surface convex hulls can be further distributed, so that the LED wall lamp meets the standard requirements of full-cutoff light and half-cutoff light, namely when the angle is adjusted to form the full-cutoff light, the maximum light intensity direction is 0-65 degrees, and the light intensity values in the 90-degree and 80-degree angle directions 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.
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 LED accommodating groove is half egg-shaped, and the sharper upper part of the LED accommodating groove is closer to the top wall of the opening shell relative to the wider lower part. It is better to meet the above light intensity value requirements in the 90 ° and 80 ° angular directions in the full or half cutoff.
Further, when the radiator rotates relative to the opening shell, the included angle range between the light emitting surface of the LED lamp panel and the rear wall is 55-95 degrees. The LED lamp panel is driven to rotate by rotating the radiator, so that the light emitting angle of the LED lamp panel is adjusted, and the light distribution of the LED wall lamp is adjusted randomly between the two light distributions of the full-section light and the half-section 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 invention has the beneficial effects that: the LED wall lamp has the advantages of adjustable light emitting angle, good heat dissipation effect, good light distribution effect, convenience in installation and the like.
Drawings
The invention will be further described with reference to the following figures and examples
Fig. 1 is a first perspective view of the embodiment of the invention, which is a state before the heat sink and the LED lamp panel are not rotated.
Fig. 2 is a second perspective view of the embodiment of the invention, which is a state after the heat sink and the LED lamp panel rotate to the maximum angle.
Fig. 3 is an enlarged view of fig. 1 at F1.
Fig. 4 is a perspective view three of the embodiment of the present invention.
Fig. 5 is an exploded view of the first 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 invention, which is a state before the heat sink and the LED lamp panel are not rotated.
Fig. 9 is a second cross-sectional view of the embodiment of the invention, which is a state after the heat sink and the LED lamp panel are rotated to the maximum angle.
Fig. 10 is a first side view of the embodiment of the invention mounted on a wall, which is a state before the heat sink and the LED lamp panel are not rotated.
Fig. 11 is a second side view of the heat sink and the LED lamp panel mounted to a wall according to the embodiment of the present invention, in a state after the heat sink and the LED lamp panel are rotated to the maximum angle.
FIG. 12 is a front view of a lens according to an embodiment of the invention.
Fig. 13 is a sectional view taken along line a-a of fig. 12.
FIG. 14 is a perspective view of a first lens embodiment of the present invention.
FIG. 15 is a perspective view of a second lens embodiment of the invention.
Description of reference numerals:
1. a heat sink; 2. an LED lamp panel; 3. a lens plate; 4. an open housing; 5. a first fastening screw; 6. a top wall; 7. a rear wall; 8. a side wall; 9. a strip hole; 10. a first fastening screw hole; 11. a power supply mounting wall; 12. a first ventilation gap; 13. a vent hole; 14. an LED driving power supply; 15. a heat sink; 16. a second ventilation gap; 17. an outer convex portion; 18. a hook-shaped groove; 19. connecting columns; 20. a second fastening screw hole; 21. a second fastening screw; 22. a lens; 23. an LED accommodating groove; 24. a convex hull part with a cambered surface; 25. a light scattering section.
Detailed Description
Referring to fig. 1 to 14, in a first preferred embodiment of the present invention, fig. 5 to 9, an LED wall lamp with an adjustable light emitting angle includes a heat sink 1, an LED lamp panel 2 mounted on the heat sink 1, a lens plate 3 covering the LED lamp panel 2, an open shell 4, and a first fastening screw 5 with a nut, wherein the heat sink 1 is rotatably connected to the open shell 4; the opening shell 4 comprises a top wall 6, a rear wall 7 and two opposite side walls 8, the inner surface of the top wall 6 comprises an arc surface, the top surface of the radiator 1 comprises an arc surface matched with the arc surface of the top wall 6, the side walls 8 are approximately fan-shaped, and two sides of the bottom of the radiator 1 are hinged with the bottom of the side walls 8 of the opening shell 4; the top wall 6 is provided with a long hole 3 extending along the rotation direction of the radiator 1, the radiator 1 is provided with a first fastening screw hole 10, and a first fastening screw 5 with a nut penetrates through the long hole 3 and then is in locking connection with the first fastening screw hole 10, so that the radiator 1 and the open shell 4 are kept fixed. The radiator 1 rotates relative to the opening shell 4, and can drive the LED lamp panel 2 to rotate, so that the light emitting angle of the LED lamp panel 2 is adjusted; the radiator 1 is fixed after being screwed by the first fastening screw 5 with a nut, the angle can be adjusted more conveniently, and the angle can be adjusted randomly within the range limited by the long hole 3.
4-9, the tail part of the top wall 6 of the opening shell 4 is provided with a power supply installation wall 11 extending downwards, and an LED driving power supply 14 is installed in the opening shell 4 and is positioned on the power supply installation wall 11; the rear wall 7 is located below the power supply installation wall 11, the rear wall 7 and the power supply installation wall 11 are spaced in the front-rear direction to form a first ventilation gap 12, and a ventilation hole 13 is formed in the power supply installation wall 11. Compared with the structure that the tail of the traditional LED wall lamp is completely attached to the wall and ventilation and heat dissipation are difficult to achieve, the rear wall 7 and the power supply installation wall 11 are arranged at intervals in the front-rear direction to form the first ventilation gap 12, so that air above the tail of the LED wall lamp can enter the opening shell 4 from the first ventilation gap 12 and the ventilation holes 13, and heat dissipation is conducted on the heat radiator 1 and the LED driving power supply 14.
Fig. 6 and 8, the heat sink 1 is provided with a plurality of heat dissipation fins 15, the plurality of ventilation holes 13 are provided, the ventilation holes 13 are provided at the lower portion of the power supply installation wall 11, the LED driving power supply 14 is installed at the upper portion of the power supply installation wall 11 and is provided above the ventilation holes 13, so that dust entering from the ventilation holes 13 can be prevented from being accumulated on the LED driving power supply 14, and the ventilation holes 13 face the heat dissipation fins 15, thereby performing good heat dissipation on the heat sink 1.
In fig. 6 and 8, the heat dissipation fins 15 of the heat sink 1 are substantially parallel to the side wall 8 of the open housing 4, the bottom end of the heat sink 1 is spaced from the rear wall 7 in the front-rear direction to form a second ventilation gap 16, and the space between two adjacent heat dissipation fins 15 is respectively communicated with the ventilation hole 13 and the second ventilation gap 16, so that air can smoothly circulate in the open housing 4, and the heat sink 1 and the LED driving power supply 14 can be well dissipated.
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.
1, 3, 12-15, a plurality of lenses 22 are disposed on the lens plate 3, each lens 22 corresponding to one LED; the light incident surface of the lens 22 is provided with an LED accommodating groove 23, the LED accommodating groove 23 covers the LED, the light emergent surface of the lens 22 comprises two arc convex hull parts 24 which are connected and symmetrically arranged and an arc light scattering part 25 connected with the two arc convex hull parts 24, and the light scattering part 25 semi-surrounds the bottom side edges of the two arc convex hull parts 24. The light rays on the same side of the two cambered surface convex hull parts 24 can be further distributed, so that the LED wall lamp meets the standard requirements of full-section light and half-section light, namely when the angle is adjusted to form the full-section light, the maximum light intensity direction is 0-65 degrees, and the light intensity values in the 90-degree and 80-degree angle directions 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.
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 LED receiving groove 23 has a half egg shape, and a relatively pointed upper portion of the LED receiving groove 23 is closer to the top wall 6 of the open case 4 than a relatively wide lower portion. It is better to meet the above light intensity value requirements in the 90 ° and 80 ° angular directions in the full or half cutoff.
In fig. 10 and 11, when the heat sink 1 rotates relative to the open case 4, the included angle B between the light emitting surface of the LED lamp panel 2 and the rear wall 7 ranges from 55 ° to 95 °. Drive LED lamp plate 2 through rotating radiator 1 and rotate promptly to adjust LED lamp plate 2's luminous angle, make the grading of LED wall lamp carry out arbitrary regulation between two kinds of grading of full-length light interception and half-length light.
The above-mentioned embodiments only express the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (10)

1. The utility model provides an LED wall lamp of adjustable luminous angle, includes the radiator, installs LED lamp plate on the radiator, covers the lens board of locating on the LED lamp plate, and its draught lies in: the radiator is rotatably connected with the opening shell; the opening shell comprises a top wall, a rear wall and two opposite side walls, and two sides of the bottom of the radiator are hinged with 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, and a first fastening screw with a 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 opening shell are kept fixed.
2. The LED wall lamp with the adjustable light emitting angle as set forth in claim 1, wherein: the tail part of the top wall of the opening shell is provided with a power supply installation wall extending downwards, and the LED driving power supply is installed in the opening shell and is positioned on the power supply installation wall; the rear wall is located below the power supply installation wall, the rear wall and the power supply installation wall are spaced in the front-rear direction to form a first ventilation gap, and the power supply installation wall is provided with ventilation holes.
3. The LED wall lamp with the adjustable light emitting angle as set forth in claim 2, wherein: the radiator is provided with a plurality of radiating fins, the ventilation hole is a plurality of, and the ventilation hole is located the lower part of power installation wall, and LED drive power supply installs on the upper portion of power installation wall and is located the top in ventilation hole, and the ventilation hole is towards the radiating fin.
4. The LED wall lamp with the adjustable light emitting angle as set forth in claim 3, wherein: 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 every two adjacent radiating fins is respectively communicated with the ventilation hole and the second ventilation gap.
5. The LED wall lamp with the adjustable light emitting angle as set forth in claim 3, wherein: 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 in the connecting column so as to realize the hinging of the radiator and the opening shell.
6. The LED wall lamp with the adjustable light emitting angle as set forth in claim 1, wherein: the lens plate is provided with a plurality of lenses, and each lens corresponds to one LED; the LED illuminating lamp is characterized in that an LED accommodating groove is formed in the light incidence surface of the lens, the LED accommodating groove covers the LED, the light emergence surface of the lens comprises two arc-surface convex hull parts which are connected and symmetrically arranged, and an arc-shaped light scattering part connected with the two arc-surface convex hull parts, and the light scattering part semi-surrounds the bottom side edges of the two arc-surface convex hull parts.
7. The LED wall lamp with the adjustable light emitting angle as set forth in claim 6, wherein: the two cambered surface convex hull parts of the lens are transversely arranged, the light scattering part is positioned on the upper sides of the two cambered surface convex hull parts, and the light scattering part is closer to the top wall of the opening shell relative to the two cambered surface convex hull parts.
8. The LED wall lamp with the adjustable light emitting angle as set forth in claim 6, wherein: the LED accommodating groove is half egg-shaped, and the sharper upper part of the LED accommodating groove is closer to the top wall of the opening shell relative to the wider lower part.
9. The LED wall lamp with the adjustable light emitting angle as set forth in claim 1, wherein: when the radiator rotates relative to the opening shell, the included angle range between the light emitting surface of the LED lamp panel and the rear wall is 55-95 degrees.
10. The LED wall lamp with the adjustable light emitting angle as set forth in claim 1, wherein: 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.
CN201911223602.2A 2019-12-03 2019-12-03 LED wall lamp with adjustable light emitting angle Active CN110878920B (en)

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Application Number Priority Date Filing Date Title
CN201911223602.2A CN110878920B (en) 2019-12-03 2019-12-03 LED wall lamp with adjustable light emitting angle

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Application Number Priority Date Filing Date Title
CN201911223602.2A CN110878920B (en) 2019-12-03 2019-12-03 LED wall lamp with adjustable light emitting angle

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CN110878920A true CN110878920A (en) 2020-03-13
CN110878920B CN110878920B (en) 2022-05-06

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Cited By (1)

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