EP3517838B1 - Lampshade fixing structure for use with led lamps - Google Patents

Lampshade fixing structure for use with led lamps Download PDF

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Publication number
EP3517838B1
EP3517838B1 EP17899609.6A EP17899609A EP3517838B1 EP 3517838 B1 EP3517838 B1 EP 3517838B1 EP 17899609 A EP17899609 A EP 17899609A EP 3517838 B1 EP3517838 B1 EP 3517838B1
Authority
EP
European Patent Office
Prior art keywords
positioning
aluminum substrate
power supply
lampshade
supply box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17899609.6A
Other languages
German (de)
French (fr)
Other versions
EP3517838A1 (en
EP3517838A4 (en
Inventor
Zhifeng Chen
Ting Chen
Chao Chen
Bo Jiang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meizhou Jiangnan Electric Appliance Co Ltd
Original Assignee
Meizhou Jiangnan Electric Appliance Co Ltd
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Publication date
Application filed by Meizhou Jiangnan Electric Appliance Co Ltd filed Critical Meizhou Jiangnan Electric Appliance Co Ltd
Publication of EP3517838A1 publication Critical patent/EP3517838A1/en
Publication of EP3517838A4 publication Critical patent/EP3517838A4/en
Application granted granted Critical
Publication of EP3517838B1 publication Critical patent/EP3517838B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • 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
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • 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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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]

Definitions

  • the invention relates to a lamp connecting structure, more particularly, it relates to a lampshade fixing structure for use with LED lamps.
  • the existing LED lamps mainly include spotlights, ceiling lamps, lamps and bulbs lamps, in which structures are basically the existing conventional structure and lack novelty.
  • the existing bulb lamp structure basically includes an aluminum alloy heat dissipation body, a driver arranged in the aluminum alloy heat dissipation body, a light source module arranged on the end face of the aluminum alloy heat dissipation body, and a lampshade arranged outside the light source module and connected with the aluminum alloy heat dissipation body by threaded connection.
  • This structure has the following disadvantages: firstly, the driver is located in the aluminum alloy heat dissipation body, so that the heat dissipation effect is poor.
  • the aluminum alloy heat dissipation body is used for heat dissipation and its temperature is high, so that a malfunction of the driver occurs more likely;
  • the aluminum alloy heat dissipation body is adopted for heat dissipation of the lamp, it is not only costly, but also the heat dissipation effect is not necessarily good;
  • the driver is installed by welding, so that the disassembly and assembly is inconvenient.
  • US 2013/083525 A1 and CN 204785637 U are examples of prior art lampshade fixing structures.
  • the object of the present invention is to provide a lampshade fixing structure for use with LED lamps which is compact in structure, convenient in use, and works well in effect in view of the above-mentioned deficiencies of the prior art.
  • a lampshade fixing structure for use with LED lamps which comprises an aluminum substrate, wherein LED lamp beads are distributed on one side of the aluminum substrate, wherein a lampshade is arranged on the aluminum substrate which is located on the periphery of the LED lamp beads, and a plurality of positioning bosses are circumferentially arranged at the edge of the aluminum substrate, and L-shaped positioning notches which correspond one-to-one to the positioning bosses are arranged on the lampshade, and the positioning bosses are located in the positioning notches, and a limiting seat is provided at an opening of the positioning notch, and the limiting seat is fixedly connected to the aluminum substrate.
  • a positioning end ring is integrally formed on an open end surface of the lampshade, and an inner diameter of the positioning ring is adapted to an outer diameter of the aluminum substrate, and the inner diameter of the positioning ring is larger than an inner diameter of the lampshade, and the positioning ring and the end open surface of the lampshade cooperate to form a step for positioning the aluminum substrate, and the positioning notch is located on the positioning ring, and the plane of the step is on the same plane as the lower end surface of the positioning notch.
  • the positioning notch is composed of a lateral positioning portion and a vertical limiting portion that are electrically connected to each other, and the lateral positioning portion and the vertical limiting portion are cooperatively formed in an L-shape; the width of the positioning boss is adapted to the vertical limiting portion; when the positioning boss is located in the lateral positioning portion, the free end of the limiting seat is located in the vertical limiting portion.
  • the bottom of one end of the limit seat located in the vertical limiting portion is provided with a raised spacer, and the height of the raised spacer is 0.05 to 2mm higher than the height of the lateral positioning portion, and the width of the raised spacer is adapted to the width of the vertical limiting portion.
  • a driving power supply box is arranged on the other side of the aluminum substrate, and a driver is arranged in the driving power supply box; a plurality of connecting legs contacting with the aluminum substrate are circumferentially arranged at the lower edge of the driving power supply box, and the connecting leg is provided with a first connecting hole, and a second connecting hole corresponding to the first connecting hole is provided on the aluminum substrate, and the first and second connecting holes are connected by screws.
  • the limiting seat is arranged on the connecting leg and the limiting seat and the connecting leg are integrally formed as an overall structure.
  • a power plug socket is provided on a surface of the aluminum substrate opposite to the driving power supply box, and the power plug socket is connected to each LED light bead circuit by the aluminum substrate; the bottom of the power supply box is provided with a positioning-through-hole, and a power plug connector adapted to the power plug socket is formed on a circuit board of the driver, and the power plug connector is inserted into the power plug socket through the positioning-through-hole.
  • the lower portion of the driving power supply box is in the shape of an inverted truncated cone, and a guard ring is integrally formed at the bottom of the driving power supply box located on the periphery of the positioning-through-hole, and the guard ring wraps around the periphery of the power plug socket, and the guard ring is in contact with the surface of the aluminum substrate.
  • the driving power supply box is composed of a left box body and a right box body which cooperate with each other; a positioning holder for fixing the circuit board of the driver is respectively arranged in the left and right box bodies.
  • a screw base is connected to the free end of the driving power supply box, and the screw base is connected to the circuit of the driver.
  • the aluminum substrate is provided with a mounting-through-hole in a middle portion, and a the driving power supply box is arranged in the mounting-through-hole, and the driving power supply box and the aluminum substrate are fixedly connected by screws;
  • the driving power supply box is composed of a lamp head assembly and a driving sleeve which are mutually matched and connected;
  • the lamp head assembly is composed of a metal conductive head with external thread and an insulating mount base which are mutually connected;
  • the lamp head assembly cooperates with the driving sleeve to form a hollow drive mounting cavity, and the driver is arranged in the drive mounting cavity along the direction perpendicular to the aluminum substrate;
  • each LED lamp bead is distributed on the aluminum substrate which is located on the periphery of the mounting-through-hole, and the driving power supply box is provided with a wire hole, and the driver DC electrical lead passes through the wire hole and is connected with each LED light bead by a conductive connector.
  • the invention can skillfully realize the fixing between the lampshade and the aluminum substrate through the two-two cooperation between the aluminum substrate, the lampshade and the limiting seat, and can prevent the aluminum substrate from rotating relative to the lampshade at the same time; furthermore, by setting the steps the connection between the lampshade and the aluminum substrate is therefore more stable.
  • a lampshade fixing structure for use with LED lamps of the present invention comprises an aluminum substrate 1, wherein LED lamp beads 2 are distributed on one side of the aluminum substrate 1, and the aluminum substrate 1 located on the periphery of the LED lamp beads 2 is provided with a cylindrical lampshade 3, and according to actual needs, a refractive floating spot in the shape of a pyramid can be arranged in the lampshade 3, and the bottom side length of each pyramid is 0.5 to 5 mm and the height is 0.4 to 4.3 mm. In this way, the concentrated light in the middle of the lamp can be dispersed to the periphery, so that the overall illumination of the lamp is more uniform and the illumination angle is wider.
  • a plurality of positioning bosses 1a is circumferentially arranged at the edge of the aluminum substrate 1.
  • the lampshade 3 is provided with an L-shaped positioning notch 3a corresponding one to one to the positioning boss 1a.
  • the positioning boss 1a is located in the positioning notch 3a, and a limiting seat 4 is provided at an opening of the positioning notch 3a, and the limiting seat 4 is fixedly connected to the aluminum substrate 1.
  • the positioning notch 3a is composed of a lateral positioning portion 3b and a vertical limiting portion 3c which are electrically connected to each other, and the lateral positioning portion 3b and the vertical limiting portion 3c are cooperatively formed in an L-shape; the width of the positioning boss 1a is adapted to the vertical limiting portion 3c; when the positioning boss 1a is located in the lateral positioning portion 3b, the free end of the limiting seat 4 is located in the vertical limiting portion 3c.
  • the bottom of one end of the limiting seat 4 located in the vertical limiting portion 3c is provided with a raised spacer 4a, and the height of the raised spacer 4a is 0.05 to 2 mm higher than the height of the lateral positioning portion 3b.
  • the width of the raised spacer 4a is adapted to the width of the vertical limiting portion 3c.
  • a positioning ring 5 is integrally formed on an open end surface of the lampshade 3, and an inner diameter of the positioning ring 5 is adapted to an outer diameter of the aluminum substrate 1, and the inner diameter of the positioning ring 5 is larger than the inner diameter of the lampshade 3, and the positioning ring 5 and the open end surface of the lampshade 3 are cooperatively form a step for positioning the aluminum substrate 1.
  • the positioning notch 3a is located on the positioning ring 5, and the plane of the step is on the same plane as the lower end surface of the positioning notch.
  • a driving power supply box 6 is arranged on the other side surface of the aluminum substrate 1, and a driver 7 is arranged in the driving power supply box; and a plurality of connecting legs 6a contacting with the aluminum substrate 1 is provided in the circumferential direction at the lower edge of the driving power supply box 6.
  • the connecting leg 6a is provided with a first connecting hole 6b
  • the aluminum substrate 1 is provided with a second connecting hole 1b corresponding one to one to the first connecting hole 6b, and the first connecting hole and the second connecting hole 6b, 1b are connected by screws.
  • the limiting seat 4 is arranged on the connecting leg 6a and the limiting seat 4 and the connecting leg 6a are integrally formed as an overall structure.
  • a power plug socket 8 is arranged on the surface of the aluminum substrate 1 opposite to the driving power supply box 6, and the power plug socket 8 is connected to each LED light bead 2 circuit by the aluminum substrate 1; the bottom of the driving power supply box 6 is provided with a positioning-through-hole, and a power plug connector 7a adapted to the power plug socket 8 is formed on a circuit board of the driver 7, and the power plug connector 7a is inserted into the power plug socket 8 through the positioning-through-hole.
  • the lower portion of the driving power supply box 6 is preferably designed in the shape of an inverted truncated cone, and a guard ring 6c is integrally formed at the bottom of the driving power supply box 6 located on the periphery of the positioning-through-hole, and the guard ring 6c wraps around the periphery of the power plug socket 8, and the guard ring 6c is in contact with the surface of the aluminum substrate 1.
  • the guard ring prevents in the driving power supply box from entering water and the dust, and at the same time, the aluminum substrate is spaced apart from the driving power supply box to improve the air circulation efficiency and ensure the heat dissipation efficiency of the lamp.
  • the driving power supply box 6 in the embodiment is composed of a left box body 6d and a right box body 6e which cooperate with each other; and a positioning holder 6f for fixing the driver circuit board is respectively arranged in the left and right box bodies 6d, 6e.
  • a screw base 9 is connected to the free end of the drive power supply box 6, and the screw base 9 is connected to the circuit of the driver 7.
  • a lampshade fixing structure for use with LED lamps according to the present invention adopts the same lampshade fixing method as that in Embodiment 1, except that a mounting-through-hole 1c is provided in the middle portion of the aluminum substrate 1, and a driving power supply box 6 is arranged in the mounting-through-hole 1c, and the driving power supply box 6 is fixedly connected to the aluminum substrate 1 by screws;
  • the driving power supply box 6 is composed of a lamp head assembly 10 and a driving sleeve 11 which are mutually matched and connected;
  • the lamp head assembly 10 is composed of a metal conductive head with external thread 10a and an insulating mounting base 10b which are mutually connected;
  • the lamp head assembly 10 cooperates with the driving sleeve 11 to form a hollow driver mounting cavity, and the driver is arranged in the driver mounting cavity along the direction perpendicular to the aluminum substrate 1;
  • each LED light bead 2 is distributed on the aluminum substrate 1 located on the periphery of the mounting-through-hole

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

    TECHNICAL FIELD
  • The invention relates to a lamp connecting structure, more particularly, it relates to a lampshade fixing structure for use with LED lamps.
    • BACKGROUND TECHNIQUE
  • LED lamps, due to their low energy consumption, long service life and high brightness, are increasingly favored by consumers. The existing LED lamps mainly include spotlights, ceiling lamps, lamps and bulbs lamps, in which structures are basically the existing conventional structure and lack novelty. Taking a bulb lamp as an example, the existing bulb lamp structure basically includes an aluminum alloy heat dissipation body, a driver arranged in the aluminum alloy heat dissipation body, a light source module arranged on the end face of the aluminum alloy heat dissipation body, and a lampshade arranged outside the light source module and connected with the aluminum alloy heat dissipation body by threaded connection. This structure has the following disadvantages: firstly, the driver is located in the aluminum alloy heat dissipation body, so that the heat dissipation effect is poor. The aluminum alloy heat dissipation body is used for heat dissipation and its temperature is high, so that a malfunction of the driver occurs more likely; secondly, the aluminum alloy heat dissipation body is adopted for heat dissipation of the lamp, it is not only costly, but also the heat dissipation effect is not necessarily good; thirdly, the driver is installed by welding, so that the disassembly and assembly is inconvenient. US 2013/083525 A1 and CN 204785637 U are examples of prior art lampshade fixing structures.
    • SUMMARY OF THE INVENTION
  • The object of the present invention is to provide a lampshade fixing structure for use with LED lamps which is compact in structure, convenient in use, and works well in effect in view of the above-mentioned deficiencies of the prior art.
  • The object of the invention is achieved by a lampshade fixing structure for use with LED lamps according to claim 1 which comprises an aluminum substrate, wherein LED lamp beads are distributed on one side of the aluminum substrate, wherein a lampshade is arranged on the aluminum substrate which is located on the periphery of the LED lamp beads, and a plurality of positioning bosses are circumferentially arranged at the edge of the aluminum substrate, and L-shaped positioning notches which correspond one-to-one to the positioning bosses are arranged on the lampshade, and the positioning bosses are located in the positioning notches, and a limiting seat is provided at an opening of the positioning notch, and the limiting seat is fixedly connected to the aluminum substrate.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, a positioning end ring is integrally formed on an open end surface of the lampshade, and an inner diameter of the positioning ring is adapted to an outer diameter of the aluminum substrate, and the inner diameter of the positioning ring is larger than an inner diameter of the lampshade, and the positioning ring and the end open surface of the lampshade cooperate to form a step for positioning the aluminum substrate, and the positioning notch is located on the positioning ring, and the plane of the step is on the same plane as the lower end surface of the positioning notch.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, the positioning notch is composed of a lateral positioning portion and a vertical limiting portion that are electrically connected to each other, and the lateral positioning portion and the vertical limiting portion are cooperatively formed in an L-shape; the width of the positioning boss is adapted to the vertical limiting portion; when the positioning boss is located in the lateral positioning portion, the free end of the limiting seat is located in the vertical limiting portion.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, the bottom of one end of the limit seat located in the vertical limiting portion is provided with a raised spacer, and the height of the raised spacer is 0.05 to 2mm higher than the height of the lateral positioning portion, and the width of the raised spacer is adapted to the width of the vertical limiting portion.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, a driving power supply box is arranged on the other side of the aluminum substrate, and a driver is arranged in the driving power supply box; a plurality of connecting legs contacting with the aluminum substrate are circumferentially arranged at the lower edge of the driving power supply box, and the connecting leg is provided with a first connecting hole, and a second connecting hole corresponding to the first connecting hole is provided on the aluminum substrate, and the first and second connecting holes are connected by screws.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, the limiting seat is arranged on the connecting leg and the limiting seat and the connecting leg are integrally formed as an overall structure.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, a power plug socket is provided on a surface of the aluminum substrate opposite to the driving power supply box, and the power plug socket is connected to each LED light bead circuit by the aluminum substrate; the bottom of the power supply box is provided with a positioning-through-hole, and a power plug connector adapted to the power plug socket is formed on a circuit board of the driver, and the power plug connector is inserted into the power plug socket through the positioning-through-hole.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, the lower portion of the driving power supply box is in the shape of an inverted truncated cone, and a guard ring is integrally formed at the bottom of the driving power supply box located on the periphery of the positioning-through-hole, and the guard ring wraps around the periphery of the power plug socket, and the guard ring is in contact with the surface of the aluminum substrate.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, the driving power supply box is composed of a left box body and a right box body which cooperate with each other; a positioning holder for fixing the circuit board of the driver is respectively arranged in the left and right box bodies.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, a screw base is connected to the free end of the driving power supply box, and the screw base is connected to the circuit of the driver.
  • In an above-mentioned lampshade fixing structure for use with LED lamps, the aluminum substrate is provided with a mounting-through-hole in a middle portion, and a the driving power supply box is arranged in the mounting-through-hole, and the driving power supply box and the aluminum substrate are fixedly connected by screws; the driving power supply box is composed of a lamp head assembly and a driving sleeve which are mutually matched and connected; the lamp head assembly is composed of a metal conductive head with external thread and an insulating mount base which are mutually connected; the lamp head assembly cooperates with the driving sleeve to form a hollow drive mounting cavity, and the driver is arranged in the drive mounting cavity along the direction perpendicular to the aluminum substrate; each LED lamp bead is distributed on the aluminum substrate which is located on the periphery of the mounting-through-hole, and the driving power supply box is provided with a wire hole, and the driver DC electrical lead passes through the wire hole and is connected with each LED light bead by a conductive connector.
  • After adopting the above structure, the invention can skillfully realize the fixing between the lampshade and the aluminum substrate through the two-two cooperation between the aluminum substrate, the lampshade and the limiting seat, and can prevent the aluminum substrate from rotating relative to the lampshade at the same time; furthermore, by setting the steps the connection between the lampshade and the aluminum substrate is therefore more stable.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention is further described in detail below with reference to embodiments of the attached drawings, but it does not constitute any limitation to the invention.
    • Figure 1 is a schematic structural view of an Embodiment 1 of the present invention;
    • Figure 2 is a schematic exploded view of the Embodiment 1 of the present invention;
    • Figure 3 is a partial enlarged view of the portion A in Figure 2;
    • Figure 4 is a schematic exploded view of an Embodiment 2 of the present invention;
    • Fig. 5 is a schematic view showing the assembly structure of an aluminum substrate and a driving power supply box in the Embodiment 2 of the present invention.
  • In the drawings: aluminum substrate 1, positioning boss 1a, second connecting hole 1b, mounting-through-hole 1c, LED light bead 2, lampshade 3, positioning notch 3a, lateral positioning portion 3b, vertical limiting portion 3c, limiting seat 4. raised spacer 4a, positioning ring 5, driving power supply box 6, connecting leg 6a, first connecting hole 6b, guard ring 6c, left box body 6d, right box body 6e, positioning holder 6f, wire hole 6g, driver 7, power plug connector 7a, power plug socket 8, screw base 9, lamp head assembly 10, metal conductive head with external thread 10a, insulating mounting base 10b, and driving sleeve 11.
    • DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1
  • Referring to Fig. 1 to Fig. 3, a lampshade fixing structure for use with LED lamps of the present invention comprises an aluminum substrate 1, wherein LED lamp beads 2 are distributed on one side of the aluminum substrate 1, and the aluminum substrate 1 located on the periphery of the LED lamp beads 2 is provided with a cylindrical lampshade 3, and according to actual needs, a refractive floating spot in the shape of a pyramid can be arranged in the lampshade 3, and the bottom side length of each pyramid is 0.5 to 5 mm and the height is 0.4 to 4.3 mm. In this way, the concentrated light in the middle of the lamp can be dispersed to the periphery, so that the overall illumination of the lamp is more uniform and the illumination angle is wider. A plurality of positioning bosses 1a is circumferentially arranged at the edge of the aluminum substrate 1. The lampshade 3 is provided with an L-shaped positioning notch 3a corresponding one to one to the positioning boss 1a. The positioning boss 1a is located in the positioning notch 3a, and a limiting seat 4 is provided at an opening of the positioning notch 3a, and the limiting seat 4 is fixedly connected to the aluminum substrate 1.
  • The positioning notch 3a is composed of a lateral positioning portion 3b and a vertical limiting portion 3c which are electrically connected to each other, and the lateral positioning portion 3b and the vertical limiting portion 3c are cooperatively formed in an L-shape; the width of the positioning boss 1a is adapted to the vertical limiting portion 3c; when the positioning boss 1a is located in the lateral positioning portion 3b, the free end of the limiting seat 4 is located in the vertical limiting portion 3c. Preferably, the bottom of one end of the limiting seat 4 located in the vertical limiting portion 3c is provided with a raised spacer 4a, and the height of the raised spacer 4a is 0.05 to 2 mm higher than the height of the lateral positioning portion 3b. The width of the raised spacer 4a is adapted to the width of the vertical limiting portion 3c. By providing the raised spacer, after installation of the aluminum substrate 1 having a thickness smaller than the lateral positioning portion, the aluminum substrate 1 can be prevented from loosening relative to the lampshade, and the connection between the lampshade and the aluminum substrate is compact and stable.
  • Specifically, for a convenient installation, a positioning ring 5 is integrally formed on an open end surface of the lampshade 3, and an inner diameter of the positioning ring 5 is adapted to an outer diameter of the aluminum substrate 1, and the inner diameter of the positioning ring 5 is larger than the inner diameter of the lampshade 3, and the positioning ring 5 and the open end surface of the lampshade 3 are cooperatively form a step for positioning the aluminum substrate 1. The positioning notch 3a is located on the positioning ring 5, and the plane of the step is on the same plane as the lower end surface of the positioning notch.
  • Further in this embodiment a driving power supply box 6 is arranged on the other side surface of the aluminum substrate 1, and a driver 7 is arranged in the driving power supply box; and a plurality of connecting legs 6a contacting with the aluminum substrate 1 is provided in the circumferential direction at the lower edge of the driving power supply box 6. The connecting leg 6a is provided with a first connecting hole 6b, and the aluminum substrate 1 is provided with a second connecting hole 1b corresponding one to one to the first connecting hole 6b, and the first connecting hole and the second connecting hole 6b, 1b are connected by screws. At the same time, the limiting seat 4 is arranged on the connecting leg 6a and the limiting seat 4 and the connecting leg 6a are integrally formed as an overall structure.
  • In order to realize quick replacement of the driving power supply and improve the overall utilization efficiency of the lamp, a power plug socket 8 is arranged on the surface of the aluminum substrate 1 opposite to the driving power supply box 6, and the power plug socket 8 is connected to each LED light bead 2 circuit by the aluminum substrate 1; the bottom of the driving power supply box 6 is provided with a positioning-through-hole, and a power plug connector 7a adapted to the power plug socket 8 is formed on a circuit board of the driver 7, and the power plug connector 7a is inserted into the power plug socket 8 through the positioning-through-hole. With this structure, when the driver malfunctions, the driver can be quickly removed and replaced with a new driver, so that the lamp can be reused.
  • In order to ensure the heat dissipation efficiency of the aluminum substrate, the lower portion of the driving power supply box 6 is preferably designed in the shape of an inverted truncated cone, and a guard ring 6c is integrally formed at the bottom of the driving power supply box 6 located on the periphery of the positioning-through-hole, and the guard ring 6c wraps around the periphery of the power plug socket 8, and the guard ring 6c is in contact with the surface of the aluminum substrate 1. The guard ring prevents in the driving power supply box from entering water and the dust, and at the same time, the aluminum substrate is spaced apart from the driving power supply box to improve the air circulation efficiency and ensure the heat dissipation efficiency of the lamp.
  • For a convenient assembly, the driving power supply box 6 in the embodiment is composed of a left box body 6d and a right box body 6e which cooperate with each other; and a positioning holder 6f for fixing the driver circuit board is respectively arranged in the left and right box bodies 6d, 6e. At the same time, a screw base 9 is connected to the free end of the drive power supply box 6, and the screw base 9 is connected to the circuit of the driver 7.
    • Embodiment 2
  • Referring to Fig. 4 and Fig. 5, a lampshade fixing structure for use with LED lamps according to the present invention adopts the same lampshade fixing method as that in Embodiment 1, except that a mounting-through-hole 1c is provided in the middle portion of the aluminum substrate 1, and a driving power supply box 6 is arranged in the mounting-through-hole 1c, and the driving power supply box 6 is fixedly connected to the aluminum substrate 1 by screws; the driving power supply box 6 is composed of a lamp head assembly 10 and a driving sleeve 11 which are mutually matched and connected; the lamp head assembly 10 is composed of a metal conductive head with external thread 10a and an insulating mounting base 10b which are mutually connected; the lamp head assembly 10 cooperates with the driving sleeve 11 to form a hollow driver mounting cavity, and the driver is arranged in the driver mounting cavity along the direction perpendicular to the aluminum substrate 1; each LED light bead 2 is distributed on the aluminum substrate 1 located on the periphery of the mounting-through-hole 1c, and a wire hole 6g is arranged on the driving power supply box 6, and the driver DC electric lead passes through the wire hole 6g and is connected with each LED light bead 2 by a conductive connection. At the same time, the lampshade in the embodiment is in a spherical shape. Of course, according to actual needs, the lampshade can also adopt various materials and shapes.
  • The above-mentioned embodiments are merely preferred embodiments of the present invention, and are merely intended to be illustrative of the present invention, and are not intended to limit the scope of the present invention. An equivalent embodiment with partial changes or modifications made by the teachings of the present invention, and which fall within the subject-matter of the claims, is still in the scope of the technical features of the present invention for the person skilled in the art.

Claims (10)

  1. A lampshade fixing structure for use with LED lamps, comprising an aluminum substrate (1), wherein LED light beads (2) are distributed on one side surface of the aluminum substrate (1), wherein a lampshade (3) is arranged on the aluminum substrate (1) which is located on the periphery of the LED light beads (2), and a plurality of positioning bosses (1a) is circumferentially arranged at the edge of the aluminum substrate (1), and L-shaped positioning notches (3a) which correspond one-to-one to the positioning bosses (1a) are arranged on the lampshade (3), and the positioning bosses (1a) are located in the positioning notches (3a), and a limiting seat (4) is provided at an opening of the positioning notch (3a), and the limiting seat (4) is fixedly connected to the aluminum substrate (1).
  2. The lampshade fixing structure for use with LED lamps according to claim 1, wherein a positioning ring (5) is integrally formed on an open end surface of the lampshade (3), and an inner diameter of the positioning ring (5) is adapted to an outer diameter of the aluminum substrate (1), and the inner diameter of the positioning ring (5) is larger than an inner diameter of the lampshade (3), and the positioning ring (5) and the open end surface of the lampshade (3) cooperate to form a step for positioning the aluminum substrate (1), and the positioning notch (3a) is located on the positioning ring (5), and the plane of the step is on the same plane as the lower end surface of the positioning notch (3a).
  3. A lampshade fixing structure for use with LED lamps according to claim 1, wherein the positioning notch (3a) is composed of a lateral positioning portion (3b) and a vertical limiting portion (3c) which are electrically connected to each other, and the lateral positioning portion (3b) and the vertical limiting portion (3c) are cooperatively formed in an L-shape; the width of the positioning boss (1a) is adapted to the vertical limiting portion (3c); when the positioning boss (1a) is located in the lateral positioning portion (3b), the free end of the limit seat (4) is located in the vertical limiting portion (3c).
  4. The lampshade fixing structure for use with LED lamps according to claim 1, wherein a driving power supply box (6) is arranged on the other side surface of the aluminum substrate (1), and a driver (7) is arranged in the driving power supply box (6); a plurality of connecting legs (6a) contacting with the aluminum substrate (1) is circumferentially arranged at the lower edge of the driving power supply box (6), and the connecting leg (6a) is provided with a first connecting hole (6b), and a second connection hole (1b) corresponding one to one to the first connecting hole (6b) is provided on the aluminum substrate (1), and the first and second connecting holes (6b, 1b) are connected by screws.
  5. The lampshade fixing structure for use with LED lamps according to claim 3 or 4, wherein the bottom of one end of the limiting seat (4) located in the vertical limiting portion (3c) is provided with a raised spacer (4a), and the height of the raised spacer (4a) is 0.05 to 2 mm higher than the height of the lateral positioning portion (3b), and the width of the raised spacer (4a) is adapted to the width of the vertical limiting portion (3c).
  6. The lampshade fixing structure for use with LED lamps according to claim 4, wherein the limiting seat (4) is arranged on the connecting leg (6a) and the limiting seat (4) and the connecting leg (6a) are integrally formed as an overall structure.
  7. A lampshade fixing structure for use with LED lamps according to claim 4, wherein a power plug socket (8) is provided on a surface of the aluminum substrate (1) opposite to the driving power supply box (6),and the power plug socket (8) is connected to each LED light bead (2) circuit by the aluminum substrate (1); the bottom of the driving power supply box (6) is provided with a positioning-through-hole, and a power plug connector (7a) adapted to the power plug socket (8) is formed on a circuit board of the driver (7), and the power plug connector (7a) is inserted into the power plug socket (8) through the positioning-through-hole.
  8. The lampshade fixing structure for use with LED lamps according to claim 7, wherein the lower portion of the driving power supply box (6) is in the shape of an inverted truncated cone, and a guard ring (6c) is integrally formed at the bottom of the driving power supply box (6) located on the periphery of the positioning-through-hole, and the guard ring (6c) wraps around the periphery of the power plug socket (8), and the guard ring (6c) is in contact with the surface of the aluminum substrate (1).
  9. The lampshade fixing structure for use with LED lamps according to claim 4, wherein the driving power supply box (6) is composed of a left box body (6d) and a right box body (6e) that cooperate with each other; a positioning holder (6f) for fixing the circuit board of the driver is respectively arranged in the left and right box bodies (6d, 6e); a screw base (9) is connected to the free end of the driving power supply box (6), and the screw base (9) is connected to the circuit of the driver (7).
  10. The lampshade fixing structure for use with LED lamps according to claim 1, wherein the aluminum substrate (1) is provided with a mounting-through-hole (1c) in a middle portion, and the driving power supply box (6) is arranged in the mounting-through-hole (1c), and the driving power supply box (6) and the aluminum substrate (1) are fixedly connected by screws; the driving power supply box (6) is composed of a lamp head assembly (10) and a driving sleeve (11) which are mutually matched and connected; the lamp head assembly (10) is composed of a metal conductive head with external thread (10a) and an insulating mounting base(10b) which are mutually connected; the lamp head assembly (10) cooperates with the driving sleeve (11) to form a hollow driver mounting cavity, and the driver is arranged in the driver mounting cavity along the direction perpendicular to the aluminum substrate (1); each LED light bead (2) is distributed on the aluminum substrate (1) which is located on the periphery of the mounting-through-hole (1c), and the driving power supply box (6) is provided with a wire hole (6g), and the driver DC electric lead passes through the wire hole (6g) and is connected with each LED light bead (2) by a conductive connector.
EP17899609.6A 2017-03-07 2017-12-08 Lampshade fixing structure for use with led lamps Active EP3517838B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710130225.2A CN106838834B (en) 2017-03-07 2017-03-07 LED lamp shade fixed structure
PCT/CN2017/115174 WO2018161665A1 (en) 2017-03-07 2017-12-08 Lampshade fixing structure for use with led lamps

Publications (3)

Publication Number Publication Date
EP3517838A1 EP3517838A1 (en) 2019-07-31
EP3517838A4 EP3517838A4 (en) 2020-04-15
EP3517838B1 true EP3517838B1 (en) 2021-04-28

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EP17899609.6A Active EP3517838B1 (en) 2017-03-07 2017-12-08 Lampshade fixing structure for use with led lamps

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CN (1) CN106838834B (en)
WO (1) WO2018161665A1 (en)

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CN106838834B (en) * 2017-03-07 2018-06-05 梅州江南电器有限公司 LED lamp shade fixed structure
CN106838644B (en) * 2017-03-07 2018-08-17 梅州江南电器有限公司 Aluminum substrate and driving power box mounting structure for LED light
CN109185720A (en) * 2018-09-29 2019-01-11 陈科莉 Detachable LED lamps and lanterns

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Publication number Publication date
EP3517838A1 (en) 2019-07-31
CN106838834A (en) 2017-06-13
EP3517838A4 (en) 2020-04-15
WO2018161665A1 (en) 2018-09-13
CN106838834B (en) 2018-06-05

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