Lighting lamp
Technical Field
The utility model relates to the technical field of illumination, in particular to an illumination lamp.
Background
Conventional lighting fixtures, such as kitchen and bathroom lights, panel lights, ceiling lights, and the like, are widely used in office lighting, hospitals, commercial lighting, and home environments. Lighting fixtures of this type typically include a lamp panel, a light source assembly, and a light transmissive cover. The lamp panel generally has a top wall, a side wall surrounding the periphery of the top wall and a containing space surrounded by the top wall and the side wall, the light source assembly is installed on the top wall of the lamp panel, the light-transmitting cover is installed with the side wall and seals the containing space, and the light source assembly generates a large amount of heat during operation, so that the heat dissipation design of the lamp needs to be considered to improve the service life of the lighting lamp. In the related art, the lamp panel of some lighting lamps and lanterns adopts metal material to make, and the light source subassembly is installed on the roof of lamp panel and with roof direct heat conduction contact, this has certainly played good radiating effect to lighting lamps and lanterns, but the light source subassembly mainly comprises circuit board and the solid state luminous components of integration on the circuit board, the electric junction between circuit board and the solid state luminous components often has the pad, the lamp panel of pad and metal texture all is electrically conductive good conductor, this very easily causes the light source subassembly to take place dangerous situations such as circuit switch-on, short circuit even fire, bring hidden danger and threat for surrounding environment and people's safety. While some lighting fixtures have a lamp panel made of plastic material, which has higher safety performance than a lamp panel made of metal, the performance of the lighting fixtures in terms of heat dissipation is not ideal.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a safe and reliable illumination lamp with good heat dissipation.
To this end, the utility model provides a lighting fixture comprising:
the frame extends along the up-down direction, a first opening is formed at the upper end part of the frame, a second opening is formed at the lower end part of the frame, a first connecting part is arranged at the first opening at the upper end part of the frame, and a second connecting part is arranged at the second opening at the lower end part of the frame;
the light source assembly comprises a light source plate and a plurality of light emitting elements arranged on the lower surface of the light source plate, and the light source plate is connected with the first connecting part and seals the first opening;
the light-transmitting cover is connected with the second connecting part and seals the second opening.
According to one embodiment of the present utility model, a light source board includes a substrate, an electronic circuit provided on the substrate, and a plurality of bonding pads provided on the electronic circuit, a portion of a surface of the electronic circuit other than the bonding pads is covered with an insulating protective layer, and a plurality of light emitting elements are soldered on the respective bonding pads.
According to one embodiment of the utility model, the first connecting portion has a first clamping groove, and the peripheral edge of the light source board is clamped in the first clamping groove.
According to one embodiment of the utility model, the first connecting part is provided with a first sealing groove, the first sealing groove is arranged adjacent to the first clamping groove, the first sealing groove is filled with a first sealing material in sealing connection with the light source plate, or a first sealing ring in sealing connection with the light source plate is arranged in the first sealing groove.
According to one embodiment of the utility model, the second connecting portion has a second clamping groove, and the peripheral edge of the light-transmitting cover is clamped in the second clamping groove.
According to one embodiment of the utility model, the second connecting part is provided with a second sealing groove, the second sealing groove is adjacent to the second clamping groove, the second sealing groove is filled with a second sealing material in sealing connection with the light-transmitting cover, or a second sealing ring in sealing connection with the light-transmitting cover is arranged in the second sealing groove.
According to one embodiment of the utility model, the frame is integrally formed and comprises a first side wall extending up and down, a second side wall connected to the lower end of the first side wall and extending outwards obliquely to the horizontal plane, and a third side wall connected to the lower end of the second side wall and extending upwards, wherein the third side wall is provided with a barb part for being matched with the hoisting keel.
According to one embodiment of the utility model, the frame is provided with a plurality of corners, and the third side wall is provided with a notch at each corner, and the depth of the notch is 2/3 of the extension length of the third side wall.
According to an embodiment of the utility model, the light source plate and the first connection portion are snap-fit, screw, glue, rivet or welded.
According to an embodiment of the utility model, the light-transmitting cover and the second connection part are snap-fit, screw, glue, rivet or welded.
Compared with the prior art, the utility model has the following beneficial effects:
through setting up frame, light source subassembly and printing opacity cover, set up first connecting portion, lower tip at the frame upper end and set up second connecting portion, the light source board of light source subassembly is connected with the first connecting portion of frame upper end, and printing opacity cover is connected with the second connecting portion of frame lower end, has saved traditional lamp panel, structurally more simplifies to the heat that light source subassembly produced can directly give off to external environment in. Compared with the prior art, the lamp panel is omitted, and the additional insulation design of the light source assembly is not needed, so that the lamp panel is safer and more reliable.
Drawings
FIG. 1 is an exploded view of an embodiment of a light fixture of the present utility model;
fig. 2 is an enlarged layout view at a shown in fig. 1;
FIG. 3 is a side view of an embodiment of a light fixture of the present utility model;
FIG. 4 is a side cross-sectional view of a light fixture according to an embodiment of the present utility model;
FIG. 5 is a partial enlarged view at B shown in FIG. 4;
fig. 6 is a perspective view of a light emitting element to be soldered to a pad of a substrate according to an embodiment of the present utility model;
fig. 7 is a perspective view of a light source assembly formed by soldering a light emitting element to a bonding pad of a substrate according to an embodiment of the present utility model;
wherein the reference numerals are as follows:
100. a lighting fixture;
1. a frame; 11. a first opening; 12. a second opening; 13. a first connection portion; 131. a first clamping groove; 132. a first seal groove; 14. a second connecting portion; 141. a second clamping groove; 142. a second seal groove; 151. a first sidewall; 152. a second sidewall; 153. a third sidewall; 1531. a barb portion; 16. a corner; 161. a notch;
2. a light source assembly; 21. a light source board; 211. a substrate; 212. a bonding pad; 213. an insulating protective layer; 22. a light emitting element;
3. a light-transmitting cover;
4. and (5) conducting wires.
Detailed Description
It is to be understood that, according to the technical solution of the present utility model, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms upper, lower, top, bottom, inner, outer, circumferential, edge, horizontal, etc. indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that the terms first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated unless otherwise explicitly specified and defined. Thus, a feature defining a first or second may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, a plurality means two or more.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms mounted, connected, and connected should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be mechanically connected, can be directly connected or can be indirectly connected through an intermediate medium, and can be communicated with each other. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 3 and 4, a lighting fixture 100 includes a frame 1, a light source assembly 2, a light-transmitting cover 3 and a driving power source (not shown). Wherein the light source component 2 is combined at the upper end part of the frame 1, the light-transmitting cover 3 is combined at the lower end part of the frame 1, the driving power supply is arranged at the upper side of the light source component 2, and the driving power supply is electrically connected with the light source component 2 through a lead 4. The embodiment of the present utility model and the drawings take a kitchen and bathroom lamp as an example, specifically illustrate the structural composition and principle of the lighting fixture 100, but should not be construed as limiting the type of lighting fixture. In addition, in other embodiments, the type of the lighting fixture 100 may be a ceiling lamp, a panel light, or the like, which is not particularly limited.
Referring to fig. 2 and 3, the frame 1 is integrally formed of an aluminum material, and extends in the vertical direction, and has a quadrilateral shape with four corners 16. In some embodiments, the frame 1 is not limited to be integrally made of aluminum material, but may be an iron frame or a plastic frame, and its shape is not limited to a quadrangle, and may be designed according to the actual modeling of the lamp, for example, may be a triangle, a circle or a polygon, or other regular or irregular imitation shapes, and is not particularly limited. The frame 1 made of aluminum material has lighter weight and higher overall strength than the plastic frame 1. In the field of kitchen and bathroom lamps, since kitchen and bathroom lamps are usually installed in cooperation with keels and supported on ceilings or indoor top walls in a suspended ceiling installation mode, when the frame 1 is manufactured and formed, the frame 1 is preferably integrally formed in consideration of strength and convenient assembly, and of course, a plurality of connecting edges or connecting rods can be formed respectively, and the frame is enclosed to form a whole by corner connectors or adopting a welding mode, which is not particularly limited. Specifically, the frame 1 includes a first side wall 151 extending up and down, a second side wall 152 connected to the lower end of the first side wall 151 and extending outwards inclined to the horizontal plane, and a third side wall 153 connected to the lower end of the second side wall 152 and extending upwards, wherein a barb portion 1531 for cooperating with the lifting keel is provided on the third side wall 153. When kitchen and bathroom lamps are hoisted through keels, the ceiling keels are usually provided with grid-shaped mounting grooves on the indoor top wall, and a plurality of kitchen and bathroom lamps are respectively embedded into the mounting grooves. In order to facilitate better splicing of adjacent kitchen and bathroom lamps around and reduce splicing gaps, the third side wall 153 of each kitchen and bathroom lamp frame 1 is provided with a notch 161 at each corner 16, and the depth of the notch 161 is 2/3 of the extension length of the third side wall 153. Of course, in some embodiments, the depth and size of the opening 161 may be actually designed according to the size of the kitchen and bathroom lamp frame 1, which is not limited in particular.
As shown in fig. 2 and 5, the upper end of the bezel 1 is formed with a first opening 11, and the lower end of the bezel 1 is formed with a second opening 12. The upper end of the frame 1 is provided with a first connecting part 13 at the first opening 11, and the lower end of the frame 1 is provided with a second connecting part 14 at the second opening 12. Wherein the first connecting part 13 is used for connecting the light source assembly 2, and the second connecting part 14 is used for connecting the light-transmitting cover 3. The light source assembly 2 includes a light source plate 21, a plurality of light emitting elements 22 disposed on a lower surface of the light source plate 21, and the light source plate 21 is connected to the first connection portion 13 and closes the first opening 11. The light-transmitting cover 3 is connected to the second connecting portion 14 and closes the second opening 12.
Specifically, the first connecting portion 13 has a first clamping groove 131, and the peripheral edge of the light source plate 21 is clamped in the first clamping groove 131. The second connection portion 14 has a second locking groove 141, and the outer peripheral edge of the translucent cover 3 is locked in the second locking groove 141. In order to improve the waterproof and dustproof performance of the lighting fixture 100 and to improve the service life thereof, the first connection portion 13 has a first sealing groove 132, and the first sealing groove 132 is disposed adjacent to the first clamping groove 131.
The second connection portion 14 has a second seal groove 142, and the second seal groove 142 is disposed adjacent to the second clamping groove 141. The first sealing groove 132 may be filled with a first sealing material in sealing connection with the light source board 21, and the second sealing groove 142 may be filled with a second sealing material in sealing connection with the light-transmitting cover 3, wherein the first sealing material and the second sealing material may be sealing waterproof glue. In some embodiments, a first sealing ring in sealing connection with the light source plate 21 may be further disposed in the first sealing groove 132, and a second sealing ring in sealing connection with the light-transmitting cover 3 may be disposed in the second sealing groove 142, which is not limited in particular.
In some embodiments, the combination of the light source board 21 and the frame 1 and the combination of the light-transmitting cover 3 and the frame 1 may also adopt a common fastening manner, for example, a manner of arranging a matched fastening member on the frame 1 and the light source board 21 or on the frame 1 and the light-transmitting cover 3, or a manner of screw connection, gluing, riveting or welding, etc., which is not particularly limited.
Referring to fig. 6 and 7, the light source board 21 includes a substrate 211, an electronic circuit disposed on the substrate 211, and a plurality of pads 212 disposed on the electronic circuit (not shown), wherein a portion of a surface of the electronic circuit except for the pads 212 is covered with an insulating protection layer 213, and the plurality of light emitting elements 22 are soldered on the corresponding pads 212. The thickness of the substrate is 2-3 mm, and the overall thickness of the lighting lamp is 20-25 mm. The design is that the whole kitchen and bathroom lamp can be designed to be thin and light. In some embodiments, substrate 211 may be a metal plate, a PCB board, or a fiberglass board. Such as an aluminum substrate. The light emitting element 22 may be an SMD light source, which is soldered to the pads 212 by SMT automation equipment. The specific ones are not limited.
Compared with the prior art, the lamp panel omits the traditional lamp panel, is structurally simplified, and the heat generated by the light source assembly can be directly emitted to the external environment. Compared with the prior art, the lamp panel is omitted, and the additional insulation design of the light source assembly is not needed, so that the lamp panel is safer and more reliable.
The technical scope of the present utility model is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present utility model, and these changes and modifications should be included in the scope of the present utility model.