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The application claims priority of the
Chinese Patent Application No. 202321195575.4, filed on May 17, 2023 , and the invention title of "DIRECT-LIT PANEL LIGHT", the disclosure of which is incorporated herein by reference in its entirety as part of the present application.
TECHNICAL FIELD
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The present application relates to the field of lighting technology, and in particular to a direct-lit panel light.
BACKGROUND
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Direct-lit panel lights are widely used in office lighting, hospitals, commercial lighting, and home environments due to their advantages such as high light utilization rate, light weight, and lower overall cost compared with edge-light LED panel lights, and are favored by consumers, the trading volume is very high. Existing direct-lit panel lights usually include a base and a frame, where the frame is mostly an aluminum extruded frame. However, aluminum has low strength and is prone to defects such as cracking when bent. Additionally, threaded grooves need to be milled on the aluminum extruded frame for screwing connection with the base, resulting in a cumbersome manufacturing process. Moreover, the high material costs and high processing costs of the aluminum frame lead to high overall lamp costs.
SUMMARY
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To solve the above technical problems, the purpose of the present application is to provide a direct-lit panel light with lower cost, higher structural strength, and convenient forming and manufacturing.
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To this end, the present application provides a direct-lit panel light, including:
- a lamp panel, where an outer peripheral edge of the lamp panel is provided with a support part and a first connecting part; the first connecting part is provided with a first connecting hole; and an accommodating cavity is formed inside the lamp panel;
- a frame, arranged around the outer peripheral edge of the lamp panel; where the frame includes a plurality of frame strips connected end to end; each frame strip is integrally formed and includes a plurality of bent walls; the plurality of bent walls jointly enclose to form a first accommodating groove and a second accommodating groove adjacent to the first accommodating groove; a bottom wall of the second accommodating groove is provided with a second connecting hole; the first connecting part is accommodated in the second accommodating groove; and the first connecting hole and the second connecting hole are connected by a fastener;
- a lamp shade, where an outer peripheral edge of the lamp shade is accommodated in the first accommodating groove and abuts against the support part;
- a light source assembly, arranged in the accommodating cavity and configured to emit light toward a side of the lamp shade.
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Optionally, one of the first connecting hole and the second connecting hole is a screw hole, and the other is a through hole; or both the first connecting hole and the second connecting hole are screw holes, and the fastener is a screw.
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Optionally, both the first connecting hole and the second connecting hole are pin holes, and the fastener is a pin.
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Optionally, the first accommodating groove and the second accommodating groove form a stepped structure.
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Optionally, two adjacent frame strips are connected by snap connection, adhesive bonding, riveting, or welding.
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Optionally, the frame strip is integrally formed by rolling a plate made of low-carbon steel, medium-carbon steel, high-carbon steel, cast iron, or alloy steel.
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Optionally, the light source assembly includes a light source board and light-emitting elements arranged on the light source board.
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Optionally, the light source board and the lamp panel are connected by snap connection, adhesive bonding connection, riveting, or connecting.
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Optionally, the light source board is in a strip shape, and the light source assembly includes a plurality of the light source boards.
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Optionally, the direct-lit panel light includes a driving power supply, the driving power supply is arranged on an outer side of the lamp panel and electrically connected to the light source board through a wire passing through the lamp panel.
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Compared with the prior art, the beneficial effects of the present application are as follows.
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The direct-lit panel light is mainly composed of a lamp panel, a frame, a lamp shade, and a light source assembly, the outer peripheral edge of the lamp panel is provided with a support part and a first connecting part; the first connecting part is provided with a first connecting hole; an accommodating cavity is formed inside the lamp panel; the frame is arranged around the outer peripheral edge of the lamp panel; the frame includes a plurality of frame strips connected end to end; each frame strip is integrally formed and includes a plurality of bent walls; the plurality of bent walls jointly enclose to form a first accommodating groove and a second accommodating groove adjacent to the first accommodating groove; the bottom wall of the second accommodating groove is provided with a second connecting hole; the first connecting part is accommodated in the second accommodating groove; the first connecting hole and the second connecting hole are connected by a fastener; the outer peripheral edge of the lamp shade is accommodated in the first accommodating groove and abuts against the support part; and the light source assembly is arranged in the accommodating cavity and configured to emit light toward the side of the lamp shade. Compared with the prior art, the above direct-lit panel light has lower manufacturing cost and higher structural strength. The first connecting part at the outer peripheral edge of the lamp panel is accommodated in the second accommodating groove of the frame, and the first connecting hole on the first connecting part is connected to the second connecting hole in the second accommodating groove through a fastener, ensuring stable and reliable connection and convenient installation. The outer peripheral edge of the lamp shade is accommodated in the first accommodating groove of the frame and abuts against the support part, which can also prevent light emitted by the lamp from leaking from the connection between the lamp panel and the frame, thereby improving the overall light efficiency of the direct-lit panel light.
BRIEF DESCRIPTION OF DRAWINGS
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- Fig. 1 is an exploded view of a direct-lit panel light according to an embodiment of the present application;
- Fig. 2 is a side cross-sectional view of a direct-lit panel light according to an embodiment of the present application (along a length direction of one of light source boards);
- Fig. 3 is an enlarged view of part A shown in Fig. 2;
- Fig. 4 is a schematic cross-sectional view of a frame strip of a frame of a direct-lit panel light after roll forming according to an embodiment of the present application; and
- Fig. 5 is an unfolded schematic view of the frame strip of the frame of the direct-lit panel light shown in Fig. 4.
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The reference numerals of the drawings are as follows:
- 100. direct-lit panel light;
- 1. lamp panel; 11. support part; 12. first connecting part; 121. first connecting hole; 13. accommodating cavity;
- 2. frame; 21. frame strip; 211. bent wall; 212. first accommodating groove; 213. second accommodating groove; 2131. second connecting hole; 22. fastener; a1. first bent wall; a2. second bent wall; a3. third bent wall; a4. fourth bent wall; a5. fifth bent wall; a6. sixth bent wall; a7. seventh bent wall; a8. eighth bent wall;
- 3. lamp shade;
- 4. light source assembly; 41. light source board; 42. light-emitting element; 43. lens;
- 5. driving power supply; 51. wire.
DETAILED DESCRIPTION
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It is easy to understand that, according to the technical solution of the present application, a person of ordinary skill in the art can propose various alternative structural modes and implementation modes without changing the essential spirit of the present application. Therefore, the following specific embodiments and accompanying drawings are only exemplary descriptions of the technical solution of the present application, and should not be regarded as the whole of the present application or as limitations or restrictions on the technical solution of the present application.
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Please refer to Fig. 1 and Fig. 2, a direct-lit panel light 100 includes a lamp panel 1, a frame 2, a lamp shade 3, a light source assembly 4, and a driving power supply 5.
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As shown in Fig. 1 and Fig. 3, the frame 2 is arranged around an outer peripheral edge of the lamp panel 1, the shape of the frame 2 matches the shape of the lamp panel 1, and the lamp shade 3 is sandwiched between the lamp panel 1 and the frame 2. An accommodating cavity 13 is formed inside the lamp panel 1. The light source assembly 4 is arranged in the accommodating cavity 13 of the lamp panel 1 and configured to emit light toward the side of the lamp shade 3. The driving power supply 5 is arranged on the outer side of the lamp panel 1 and configured to supply power to the light source assembly 4. In some embodiments, the lamp panel 1 may be made of a metal material, e.g., an iron lamp panel, or made of a plastic material, e.g., PP plastic, PVC plastic, acrylic, etc., which is not specifically limited.
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As shown in Fig. 2 and Fig. 3, the outer peripheral edge of the lamp panel 1 is provided with a support part 11 and a first connecting part 12, and the first connecting part 12 is provided with a first connecting hole 121. The support part 11 is formed by bending the outer peripheral edge of the lamp panel 1, and the first connecting part 12 is located on the outer side of the support part 11. The lower side of the outer peripheral edge of the lamp shade 3 is lapped over the support part 12 of the lamp panel 1, and the upper side of the outer peripheral edge of the lamp shade 3 abuts against the frame 2.
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As shown in Fig. 1, Fig. 4, and Fig. 5, the frame 2 includes a plurality of frame strips 21 connected end to end. Each frame strip 21 is integrally formed and includes a plurality of bent walls 211. The plurality of bent walls 211 jointly enclose to form a first accommodating groove 212 and a second accommodating groove 213 adjacent to the first accommodating groove 212, and the first accommodating groove 212 and the second accommodating groove 213 form a stepped structure. The bottom wall of the second accommodating groove 213 is provided with a second connecting hole 2131.
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Specifically, as shown in Fig. 4, the frame strip 21 is manufactured by means of roll forming through roll forming equipment, using an integral steel plate. A plurality of bent walls 211 are formed during the roll forming process, and these bent walls 211 have the same thickness but different lengths. As shown in Fig. 5, the unfolded frame strip 21 specifically includes a first bent wall a1, a second bent wall a2, a third bent wall a3, a fourth bent wall a4, a fifth bent wall a5, a sixth bent wall a6, a seventh bent wall a7, and an eighth bent wall a8. Holes may be punched in the sixth bent wall a6 in advance and then sent to the roll forming equipment for roll forming, or punching or drilling may be performed after the roll forming of the plate, which is not specifically limited. In some embodiments, the frame strip 21 may be integrally formed by rolling a plate made of low-carbon steel, medium-carbon steel, high-carbon steel, cast iron, or alloy steel. Compared with frame strips extruded using aluminum materials, the frame strip 21 rolled using the aforementioned steel plate has higher structural strength and lower manufacturing cost. The frame 2 may be formed by welding four frame strips 21 end to end, or snaps or sleeves may be designed at both ends of the frame strips 21 for snap connection or sleeve connection, or adjacent frame strips 21 may also be connected by riveting or adhesive bonding, and the specific connection method is not limited. The frame 2 may be quadrilateral, and the number of frame strips 21 constituting the frame 2 may be designed as 4. Alternatively, the number of frame strips 21 may be designed according to the shape of the frame 2, for example, 5, 6, or more, which is not specifically limited.
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As shown in Fig. 3, the outer peripheral edge of the lamp shade 3 is accommodated in the first accommodating groove 212 and abuts against the support part 11. The first connecting part 12 of the lamp panel 1 is accommodated in the second accommodating groove 213, and the first connecting hole 121 of the lamp panel 1 is connected to the second connecting hole 2131 of the frame 2 through a fastener 22. Thus, the lamp panel 1, the frame 2, and the lamp shade 3 can be quickly assembled together.
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Because the first connecting part 11 at the outer peripheral edge of the lamp panel 1 is accommodated in the second accommodating groove 213 of the frame 2, and the first connecting hole 121 on the first connecting part 12 is connected to the second connecting hole 2131 in the second accommodating groove 213 through a fastener 22, the connection is more stable and reliable, and the installation is more convenient. The outer peripheral edge of the lamp shade 3 is accommodated in the first accommodating groove 212 of the frame 2 and abuts against the support part 11, which can also prevent light emitted by the light from leaking from the connection between the lamp panel 1 and the frame 2, thereby improving the overall light efficiency of the direct-lit panel light 100.
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In some embodiments, the lamp shade 3 may be made of a material with good light transmittance, such as optical glass, polymethyl methacrylate PMMA material, acrylic, etc., which is not specifically limited.
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In some embodiments, to facilitate the connection between the lamp panel 1 and the frame 2, one of the first connecting hole 121 and the second connecting hole 2131 may be a screw hole, and the other may be a through hole. Alternatively, both the first connecting hole 121 and the second connecting hole 2131 may be screw holes, and the fastener 22 may be a screw. Alternatively, both the first connecting hole 121 and the second connecting hole 2131 may be pin holes, and the fastener 22 may be a pin, which is not specifically limited.
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As shown in Fig. 1 and Fig. 2, the light source assembly 4 includes a light source board 41, light-emitting elements 42 arranged on the light source board 41, and lenses 43 arranged on the light source board 41 and configured to distribute light for the light-emitting elements 42. The driving power supply 5 may be fixed on the outer peripheral wall of the lamp panel 1 by screws. A wire passing hole may be opened on the side wall of the lamp panel 1, so that the driving power supply 5 may be electrically connected to the light source board 41 inside the lamp panel 1 through a wire 51 passing through the wire passing hole.
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In some embodiments, the light source board 41 and the lamp panel 1 may be connected by snap connection, adhesive bonding connection, riveting, or connecting, which is not specifically limited. The light source board 41 may be in a strip shape, a plate shape, or an annular shape, and the light source assembly 4 includes a plurality of light source boards 41. The light source board 41 may be a PCB or an aluminum substrate. The light-emitting elements 42 may be solid-state light-emitting components, such as LED particles, LED bulbs, light-emitting diode COB light sources, or SMD light sources. The lenses 43 may be condensing lenses or diffusing lenses, so as to emit appropriate light according to the application environment of the lamp. The driving power supply 5 may also be arranged on the bottom wall of the lamp panel 1 or inside the lamp panel 1, which is not specifically limited.
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The technical scope of the present application is not limited to the content in the above description. A person of ordinary skill in the art can make various modifications and variations to the above embodiments without departing from the technical concept of the present application, and these modifications and variations should all fall within the protection scope of the present application.