Lamp structure with external power supply

Abstract

The lamp structure with the external power source comprises a lamp shell, a light source plate and a light-transmitting panel, the section of the lamp shell is an isosceles trapezoid shell, and an isosceles trapezoid lamp cavity with an opening in the bottom face is formed in the isosceles trapezoid shell; a C-shaped clamping groove is formed in the middle of one inner wall of the isosceles trapezoid lamp cavity, and a clamping groove is formed in the lower portion of the other inner wall of the isosceles trapezoid lamp cavity. A light reflecting plate is arranged in the isosceles trapezoid lamp cavity, one side of the light reflecting plate is inserted into the C-shaped clamping groove, and the other side of the light reflecting plate is inserted into the clamping groove; the light source plate is attached to the inner wall of the isosceles trapezoid lamp cavity; the symmetrical edges of the light-transmitting panel are inserted into the mounting strip-shaped grooves for positioning; light of the light source plate is reflected by the light reflecting plate and irradiates from the light-transmitting panel. The LED lamp is reasonable in structural arrangement, light of the light source plate is reflected by the reflecting plate and irradiates outwards from the light-transmitting panel, the situation that local light is too bright is avoided, the uniformity of illumination light is improved, the heat conduction and heat dissipation performance is improved, the use stability and reliability of the light source plate are improved, and the service life of the light source plate is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of lamp structures, and particularly relates to an external power supply lamp structure. Background Art

[0002] The lamp structure is a common lighting and decoration structure, generally including a lamp housing, a light source board and a light-transmitting panel. The light source board is fixed on the bottom surface of the lamp housing, and the light-transmitting panel is located below the light source board. Although it can meet the usage requirements in general cases, the shape of its lamp housing is relatively limited, and the light of the light source board directly shines downward through the light-transmitting panel, resulting in brighter light at the position of the lamp beads and darker light at the position far from the lamp beads, which will affect the uniformity of illumination. At the same time, it is not conducive to heat dissipation, and to a certain extent, it will also affect the use stability, reliability, applicability and practicability are limited. Content of the Utility Model

[0003] The purpose of the utility model is to provide an external power supply lamp structure with reasonable structural settings and conducive to improving the lighting effect.

[0004] The technical solution for realizing the purpose of the utility model is an external power supply lamp structure, including a lamp housing, a light source board and a light-transmitting panel. The cross-section of the lamp housing is an isosceles trapezoidal shell with a short top side and a long bottom side, and an isosceles trapezoidal lamp cavity with an open bottom surface is arranged in the isosceles trapezoidal shell;

[0005] In the middle of one inner wall of the isosceles trapezoidal lamp cavity, a C-shaped card slot is arranged, and in the lower part of the other inner wall, a clamping groove is arranged. The C-shaped card slot is parallel to the clamping groove;

[0006] Installation strip grooves are arranged at the bottoms of the symmetric inner walls of the isosceles trapezoidal lamp cavity;

[0007] A reflecting plate is arranged in the isosceles trapezoidal lamp cavity. One side of the reflecting plate is inserted into the C-shaped card slot and the other side is inserted into the clamping groove;

[0008] The light source board is attached to the inner wall of the isosceles trapezoidal lamp cavity and is electrically connected to an external power supply through a wire, and the light source board is directly below the C-shaped card slot;

[0009] The symmetric edges of the light-transmitting panel are inserted into the installation strip grooves for positioning;

[0010] The light of the light source board is reflected by the bottom surface of the reflecting plate and shines downward through the light-transmitting panel.

[0011] Further preferably: A plurality of heat dissipation fins are integrally formed on the outer wall of the isosceles trapezoidal shell.

[0012] More preferably, a wire clamping groove is provided on the inner wall of the isosceles trapezoidal lamp cavity, and the wire clamping groove is located below the C-shaped card slot;

[0013] The light source board is attached to the inner wall of the isosceles trapezoidal lamp cavity, and the wire clamping groove is on the back of the light source board, and the wire is located in the wire clamping groove.

[0014] More preferably, the inclination angle between the reflector and the light-transmitting panel is 30-45 degrees.

[0015] More preferably, end caps are fixed to both ends of the lamp housing by screws, and a wire passing hole is provided in the middle of the end cap;

[0016] A C-shaped slot hole is integrally formed on the outer wall of the isosceles trapezoidal housing;

[0017] The screw is threadedly connected in the C-shaped slot hole, and the wire passes through the wire passing hole.

[0018] More preferably, the lamp housing is an aluminum structure.

[0019] The utility model has positive effects: The structure of the utility model is reasonably arranged. It adopts an isosceles trapezoidal housing in cooperation with an isosceles trapezoidal lamp cavity, and a reflector is arranged inside it. At the same time, the light source board is attached to the inner wall of the isosceles trapezoidal lamp cavity. In the illumination light, the light of the light source board is reflected downward by the reflector and irradiated outward from the light-transmitting panel, avoiding the situation of local overbrightness, which is beneficial to improving the uniformity of the illumination light, improving the illumination effect. At the same time, it is convenient to disassemble and assemble, which is also beneficial to improving the heat conduction and heat dissipation performance, avoiding excessive temperature inside the isosceles trapezoidal lamp cavity, and is beneficial to improving the use stability and service life of the light source board, with strong applicability and good practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the utility model easier to be clearly understood, the following further details the utility model according to specific embodiments in conjunction with the drawings, where:

[0021] Figure 1 is a schematic structural diagram of the utility model;

[0022] Figure 2 is a schematic structural diagram when the end of the utility model is disassembled;

[0023] Figure 3 is a schematic exploded view of the utility model;

[0024] Figure 4 is Figure 2 an enlarged structural view of part A in

[0025] Reference numerals: lamp housing 1, light source board 2, light-transmitting panel 3, isosceles trapezoidal lamp cavity 4, C-shaped card slot 5, clamping groove 6, mounting strip slot 7, reflector 8, heat dissipation fins 9, wire clamping slot 10, end cap 11, wire passing hole 12, C-shaped slot hole 13. Detailed implementation

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0027] Embodiment

[0028] See Figures 1 to 4 As shown, an external power supply lamp structure includes a lamp housing 1, a light source board 2, and a light-transmitting panel 3. In this embodiment, the lamp housing is an aluminum structure. The light source board and the light-transmitting panel are both conventional structures in the prior art and are simply applied. A lens can be provided on the light source board, and the light of the lamp beads on the light source board irradiates outward through the lens.

[0029] In the actual application process, the cross-section of the lamp housing is an isosceles trapezoidal housing with a short top side and a long bottom side. An isosceles trapezoidal lamp cavity 4 with an open bottom is provided in the isosceles trapezoidal housing; the isosceles trapezoidal setting is adopted, so that the opening at the bottom for irradiation is larger, which is convenient for the light to irradiate outward, improves the lighting range, and can also increase the heat transfer contact area, which is beneficial to improving the heat dissipation performance.

[0030] In the actual application process, a C-shaped card slot 5 is provided in the middle of one inner wall of the isosceles trapezoidal lamp cavity, and a clamping groove 6 is provided in the lower part of the other inner wall. The C-shaped card slot is parallel to the clamping groove; at the same time, in the actual application process, mounting strip slots 7 are provided at the bottoms of the symmetric inner walls of the isosceles trapezoidal lamp cavity; the C-shaped card slot is in the middle and the clamping groove is in the lower part. When installing the reflector, the reflector is in an inclined state, which is convenient for the reflection operation of the light.

[0031] Moreover, a reflector 8 is provided in the isosceles trapezoidal lamp cavity. One side of the reflector is inserted into the C-shaped card slot and the other side is inserted into the clamping groove; the reflector is mainly used for reflecting light, so that the light of the light source board passes through the reflector and irradiates downward, so that the irradiated light is more uniform and can prevent the situation of too bright local light. In the actual application process, the inclination angle between the reflector and the light-transmitting panel is 30-45 degrees.

[0032] Moreover, the light source board is attached to the inner wall of the isosceles trapezoidal lamp cavity and electrically connected to an external power supply through a wire, and the light source board is directly below the C-shaped card slot; the symmetric edges of the light-transmitting panel are inserted into the installation strip-shaped slots for positioning; the light of the light source board is reflected by the bottom surface of the reflector and irradiated downward from the light-transmitting panel. With the above structure, it is beneficial to improve the assembly efficiency, stability and convenience, and it is also convenient for disassembly, installation and maintenance operations.

[0033] In the actual application process, several heat dissipation fins 9 are integrally formed on the outer wall of the isosceles trapezoidal housing. With the above structure, it is beneficial to increase the heat dissipation contact area, thereby improving the heat dissipation performance, and it has strong practicability. In this embodiment, a wire clamping groove 10 is provided on the inner wall of the isosceles trapezoidal lamp cavity, and the wire clamping groove is below the C-shaped card slot; the light source board is attached to the inner wall of the isosceles trapezoidal lamp cavity, and the wire clamping groove is on the back of the light source board, and the wire is in the wire clamping groove. It is convenient for wire connection. The light source board can be fixed to the inner wall of the isosceles trapezoidal lamp cavity by an adhesive layer, or can be fixed by screws, and the screws are threadedly connected and positioned in the wire clamping groove to improve the use stability and reliability.

[0034] Meanwhile, both ends of the lamp housing are fixed with end caps 11 by screws, and a wire passing hole 12 is provided in the middle of the end cap; a C-shaped slot hole 13 is integrally formed on the outer wall of the isosceles trapezoidal housing; during assembly, the screws are threadedly connected in the C-shaped slot hole, and the wire passes through the wire passing hole. The overall appearance beauty can be improved through the end cap, and the end cap can be a plastic structure or an aluminum structure.

[0035] The utility model has positive effects: the structure of the utility model is reasonably arranged. It uses an isosceles trapezoidal housing to cooperate with an isosceles trapezoidal lamp cavity, and a reflector is arranged inside. At the same time, the light source board is attached to the inner wall of the isosceles trapezoidal lamp cavity. In the illumination light, the light of the light source board is reflected downward by the reflector and irradiated outward from the light-transmitting panel, avoiding the situation of local overbrightness, which is beneficial to improving the uniformity of the illumination light and the illumination effect. At the same time, it is convenient for disassembly and installation, and is also beneficial to improving the heat conduction and heat dissipation performance, avoiding excessive temperature inside the isosceles trapezoidal lamp cavity, which is beneficial to improving the use stability, reliability and service life of the light source board, and has strong applicability and good practicability.

[0036] The standard parts used in this embodiment can be directly purchased from the market. For the non-standard structural components described in the description, they can also be directly processed according to the existing technical knowledge without any doubt. At the same time, the connection methods of each component adopt the mature conventional means in the existing technology, and the machines, parts and equipment all adopt the conventional models in the existing technology, so no specific description will be made here.

[0037] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. And these obvious changes or variations derived from the essential spirit of the present utility model still fall within the protection scope of the present utility model.

Claims

1. An external power supply lamp structure, comprising a lamp housing, a light source board and a light-transmitting panel, characterized in that: The cross-section of the lamp housing is an isosceles trapezoidal housing with a short top side and a long bottom side, and an isosceles trapezoidal lamp cavity with an open bottom surface is arranged inside the isosceles trapezoidal housing; A C-shaped card slot is arranged in the middle of one inner wall of the isosceles trapezoidal lamp cavity, and a clamping groove is arranged at the lower part of the other inner wall, and the C-shaped card slot is parallel to the clamping groove; Installation strip grooves are arranged at the bottoms of the symmetric inner walls of the isosceles trapezoidal lamp cavity; A reflector is arranged in the isosceles trapezoidal lamp cavity, one side of the reflector is inserted into the C-shaped card slot and the other side is inserted into the clamping groove; The light source board is attached to the inner wall of the isosceles trapezoidal lamp cavity and is electrically connected to an external power supply through a wire, and the light source board is directly below the C-shaped card slot; The symmetric edges of the light-transmitting panel are inserted into the installation strip grooves for positioning; The light of the light source board is reflected by the bottom surface of the reflector and irradiates downward from the light-transmitting panel.

2. The structure of an externally powered lamp according to claim 1, wherein: A plurality of heat dissipation fins are integrally formed on the outer wall of the isosceles trapezoidal housing.

3. The structure of an externally-powered lamp according to claim 1, wherein: A wire clamping groove is arranged on the inner wall of the isosceles trapezoidal lamp cavity, and the wire clamping groove is below the C-shaped card slot; The light source board is attached to the inner wall of the isosceles trapezoidal lamp cavity, the wire clamping groove is on the back of the light source board, and the wire is in the wire clamping groove.

4. The structure of an externally powered lamp according to claim 1, characterized in that: The inclination angle between the reflector and the light-transmitting panel is 30-45 degrees.

5. The structure of an externally powered lamp according to claim 1, wherein: End caps are fixed to both ends of the lamp housing by screws, and a wire passing hole is arranged in the middle of the end cap; A C-shaped slot hole is integrally formed on the outer wall of the isosceles trapezoidal housing; The screw is threadedly connected in the C-shaped slot hole, and the wire passes through the wire passing hole.

6. The structure of an externally powered lamp according to claim 1, wherein: The lamp housing is an aluminum structure.

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