Projection lamp

Abstract

The utility model particularly relates to a project lamp which comprises a shell, a lamp body installation cavity is formed in the shell through stamping, a reflection cup is arranged in the lamp body installation cavity, a DOB drive board is arranged at the lower end of the reflection cup, a plurality of DOB lamp beads are arranged on the DOB drive board, the DOB drive board is electrically connected with a power line, and the DOB lamp beads are electrically connected with the power line. The power line penetrates through the reflection cup and the side face of the shell, the power line is fixed to the side face of the shell through a power connector, a plurality of drawing ribs are arranged on the lower bottom face of the lamp body installation cavity, and a glass lampshade is arranged at a drawing opening of the lamp body installation cavity in a sealed mode. According to the utility model, the shell is integrally stamped through a stamping and drawing process, the high-transmittance glass is hermetically connected with the shell, and the DOB lamp beads are directly integrated on the radiator plate, so that an external radiating device is not needed, air convection holes are prevented from being formed in the shell, and the waterproof performance is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lighting lamps and lanterns, in particular to a projection lamp. BACKGROUND

[0002] The projection lamp is a lamp that makes the illuminance on the designated illuminated surface higher than the surrounding environment. Usually, it can aim at any direction and has a structure that is not affected by weather conditions, and is mainly used for large-area work sites, building outlines, sports fields, overpasses, monuments, parks and flower beds and other scenes. The projection lamp has wide and narrow exit beam angles, with a variation range of 0°-180°.

[0003] At present, most of the projection lamps on the market use die-cast aluminum as the base body, which is heavy in quality, complex in processing technology, and the power supply and light source are in the same cavity, and the heat affects each other and depends on the shell for heat dissipation, so the light efficiency is low, the light emission is uneven, and the heat dissipation effect is relatively poor.

[0004] After searching, the Chinese patent with the authorized announcement number CN211424113U discloses a stamping projection lamp, which comprises a shell, a light source plate, a lens, a waterproof driving power supply and a support, the shell is formed by stamping an aluminum alloy plate, the lower surface of the shell is inwardly recessed to form a lower recessed cavity with a flat bottom surface, the light source plate is attached to the bottom surface of the lower recessed cavity, the upper surface of the shell is inwardly recessed to form an upper recessed cavity, a waterproof joint is arranged in the through hole, the waterproof joint is a screw-fixed waterproof joint, and the connecting line is arranged in the waterproof joint and connected to the light source plate and the waterproof driving power supply at both ends. The stamping projection lamp is safe and beautiful, energy-saving and consumption-reducing during production, and enhances the tensile strength and waterproof performance.

[0005] Although the above-mentioned scheme achieves the technical effect of energy saving and high efficiency to a certain extent by stamping the shell, there are still the following shortcomings:

[0006] In the above-mentioned scheme, the long-strip-shaped air convection holes are arranged on the shell, which increases the heat dissipation effect while sacrificing the waterproof performance of the shell, so that rainwater or water vapor in the air easily enters the shell and damages the light source plate. UTILITY MODEL CONTENT

[0007] In order to solve the problems existing in the prior art, the utility model provides a projection lamp.

[0008] The technical scheme of the utility model is as follows:

[0009] A kind of light projector, including shell, the shell is formed by stamping light body mounting cavity, the light body mounting cavity is equipped with reflector cup, reflector cup lower end is equipped with DOB drive board, several DOB lamp beads are equipped on the DOB drive board, the DOB drive board is electrically connected with power cord, the power cord is arranged through the reflector cup and the shell side, the power cord is fixed in the shell side by power connector, the lower bottom of the light body mounting cavity is equipped with several deep-drawing rib, the deep-drawing mouth of the light body mounting cavity is sealed with glass lampshade.

[0010] Further, the shell both sides are formed by stamping out support mounting fin, the support mounting fin is equipped with support rotation hole, the support mounting fin is fixed with support by bolt and nut, the nut and the side of the support mounting fin are equipped with gasket, the support is adjusted angle around the support rotation hole, the angle is fixed by the locking force of the nut, the range of the support adjustment angle is 0 ~ 180 °.

[0011] Further, the support is arranged in the shape of "N", including fixed beam and two rotating arms, two rotating arms are vertically arranged at both ends of the fixed beam, the rotating arm is equipped with bolt through hole, the bolt through hole is equal in diameter and is aligned with the support rotation hole.

[0012] Further, the center of the fixed beam is equipped with a circular fixing hole, each side of the fixing hole is equipped with an oval hole, the oval hole is used for fine adjustment installation position, and the fixing hole is used for fixing installation position.

[0013] Further, the reflector cup is equipped with several reflection cavities, the inner side wall of the reflection cavity is equipped with a reflection coating, and the distribution area of the reflection cavity corresponds to the DOB lamp bead.

[0014] Further, the power connector is equipped with external thread, the side of the shell is equipped with threaded hole, the external thread is screwed with the threaded hole, so that the power connector is fixed on the shell, and the power connector is sleeved on the power cord.

[0015] Further, the light body mounting cavity is filled with inert gas.

[0016] Compared with the prior art, the beneficial effects achieved by the present application are at least:

[0017] 1、The shell is integrally stamped by stamping and deep drawing process in the utility model, and the shell is sealed and connected with high-transparency glass, so that good waterproof performance is achieved.

[0018] 2. The utility model discloses a replace traditional LED light source with DOB light source, by the DOB lamp pearl is directly integrated on the radiator board, need not rely on external heat dissipation device, avoid setting air countercurrent hole on the shell, guarantee the integrality of shell while guaranteeing the heat dissipation effect, avoid the sacrifice waterproof performance because of heat dissipation.

[0019] 3. The utility model discloses a draw -down rib on the bottom surface, and the draw -down rib and DOB drive board form a cavity, and the air in the cavity plays the effect of heat dissipation, and simultaneously, the setting of draw -down rib reduces the manufacturing difficulty of shell draw -down die, corrects the uneven defect of material, and also plays the role of improving the strength of shell and avoiding the distortion of shell. DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model.

[0021] Figure 2 It is the whole structure schematic diagram of the utility model Figure 1 Another overall structure schematic diagram.

[0022] Figure 3 It is the whole explosion schematic diagram of the utility model.

[0023] Figure 4 It is the structure schematic diagram of the shell of the utility model.

[0024] Figure 5 It is the structure schematic diagram of the utility model reflector.

[0025] Figure 6 It is the structure schematic diagram of the DOB light source board of the utility model.

[0026] In the drawing, 1, shell, 101, lamp body installation cavity, 102, support installation fin, 103, support rotation hole, 104, screw hole, 105, draw -down rib, 2, glass lampshade, 201, reflector cavity, 202, reflector coating, 3, reflector, 4, DOB drive board, 5, DOB lamp pearl, 6, support, 601, oval hole, 602, fixed hole, 603, screw through -hole, 604, rotation arm, 605, fixed beam, 7, screw, 8, power line, 9, power connector, 901, external thread, 10, nut, 11, gasket. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] In the description of this utility model, it should be noted that the terms "upper end," "lower end," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] Please see Figures 1 to 6 This utility model provides a technical solution:

[0031] A type of floodlight, such as Figure 1 and Figure 2 As shown, the device includes a housing 1, which is formed by stamping to create a lamp mounting cavity 101. A reflector 3 is provided inside the lamp mounting cavity 101, and a DOB drive board 4 is provided at the lower end of the reflector 3. A plurality of DOB LED beads 5 are provided on the DOB drive board 4. The DOB drive board 4 is electrically connected to a power cord 8. The power cord 8 passes through the reflector 3 and the side of the housing 1. The power cord 8 is fixed to the side of the housing 1 through a power connector 9. A plurality of drawing ribs 105 are provided on the bottom surface of the lamp mounting cavity 101, and a glass lampshade 2 is sealed at the drawing opening of the lamp mounting cavity 101.

[0032] Specifically, the material of the housing 1 is preferably aluminum alloy, so that the housing 1 has the advantages of being lightweight, having good heat dissipation, being easy to stamp, and being quick to form.

[0033] Specifically, the DOB driver board 4 is preferably an aluminum substrate board, so that the DOB driver board 4 has good heat dissipation performance.

[0034] Specifically, the DOB driving board 4 is a package form integrating the LED driving circuit and the LED chip. By directly integrating the LED driving circuit and the LED chip on the same substrate, the circuit layout is simplified, the electrolytic capacitor is removed through rectifier bridge filtering, the heat is reduced, the "drive + LED" integrated structure is formed, the high-strength and high-reliability packaging layer is formed through the solid-state elastic colloid material such as silicon plastic SPE, the LED chip and the driving circuit are completely protected, the optical performance and long-term stability are ensured, and the chip working temperature is reduced by integrating the aluminum base and the PCB to optimize the heat conduction path.

[0035] Specifically, the deep drawing rib 105 forms a cavity with the DOB driving board 4, and the air in the cavity further plays a heat dissipation effect.

[0036] Specifically, the DOB lamp bead 5 is mounted on the DOB driving board 4 through the surface mount technology (SMT), and is automatically mounted through the chip mounter, thereby improving the automation degree, reducing manual intervention, and reducing the production cycle.

[0037] Specifically, the deep drawing rib 105 also plays a role in reducing the manufacturing difficulty of the shell 1 deep drawing die and correcting the uneven defects of the material. At the same time, the shell 1 is provided with the deep drawing rib 105, which plays a role in improving the strength of the shell 1 and avoiding the distortion of the shell 1.

[0038] Specifically, the glass lampshade 2 is preferably high-transmittance glass. The high-transmittance glass reduces the surface reflectivity through coating or special process, and improves the visible light transmittance to more than 98%, thereby significantly reducing glare and improving visual clarity.

[0039] Through the above structure, the DOB driving board 4, the deep drawing rib 105, the integrally stamped and drawn shell 1, and the glass lampshade 2 sealed with the shell 1 are used to make the projection lamp have excellent heat dissipation effect and good waterproof performance.

[0040] Specifically, as shown in Figure 3 The shell 1 is provided with a bracket mounting fin 102 on both sides through stamping forming. The bracket mounting fin 102 is provided with a bracket rotating hole 103. The bracket 6 is fixedly arranged on the bracket mounting fin 102 through a bolt 7 and a nut 10. A gasket 11 is arranged between the nut 10 and the side surface of the bracket mounting fin 102. The bracket 6 adjusts the angle around the bracket rotating hole 103, and the angle is fixed through the locking force of the nut 10. The adjustment range of the angle of the bracket 6 is 0-180°.

[0041] Specifically, as shown in Figure 3As shown, the bracket 6 is arranged in a "N" shape, including a fixed beam 605 and two rotating arms 604, which are vertically arranged at the two ends of the fixed beam 605, and a bolt through hole 603 is arranged on the rotating arm 604, which is equal in diameter and aligned with the bracket rotating hole 103.

[0042] Specifically, as shown in the figure, Figure 3 The center of the fixed beam 605 is provided with a circular fixing hole 602, and an oval hole 601 is arranged on both sides of the fixing hole 602, which is used for fine adjustment of the installation position, and the fixing hole 602 is used for fixing the installation position.

[0043] Specifically, the bracket 6 is preferably made of stainless steel to ensure the supporting strength.

[0044] Through the above structure, the bracket 6 is precisely installed through the oval hole 601 and the fixing hole 602, and the angle between the bracket 6 and the spotlight is adjusted and fixed by the nut 10, so as to realize the effect of fixed-angle lighting.

[0045] Specifically, as shown in the figure, Figure 5 The light cup 3 is provided with a plurality of light reflection cavities 201, and a light reflection coating 202 is arranged on the inner side wall of the light reflection cavity 201, which corresponds to the distribution area of the DOB lamp bead 5.

[0046] Specifically, the light cup 3 is preferably made of high-purity aluminum, which is integrally stamped and formed. The light reflection cavity is covered with an optical mirror coating after grinding and polishing, such as zinc plating, to reduce light scattering. The surface can also be treated by electrochemical corrosion and then electroplated with zinc layer. The reflectivity is preferably 80%-90%.

[0047] Specifically, as shown in the figure, Figure 4 And Figure 5 As shown, the power connector 9 is provided with an external thread 901, and the shell 1 is provided with a threaded hole 104, and the external thread 901 is screwed with the threaded hole 104 to fix the power connector 9 on the shell 1, and the power connector 9 is sleeved on the power cord 8.

[0048] Specifically, the lamp body mounting cavity 101 is filled with inert gas.

[0049] Specifically, the inert gas is preferably a mixture of nitrogen (N2) and argon (Ar) to prolong the service life of the DOB lamp bead 5.

[0050] In the embodiment, the related technical personnel first installs the support 6 on the installation surface when installing: first, a fixing screw is screwed into the elliptical hole 601, and a certain torque is applied, so that the support 6 does not fall off and can move within the range of the elliptical hole 601, the support 6 is adjusted to the accurate position by tapping the side edge, then a fixing screw is screwed into the fixing hole 602 to fix, finally, the fixing screw in the elliptical hole 601 is tightened; then, the light projection angle of the light projector is adjusted: the support rotating hole 103 of the shell 1 is aligned with the bolt through hole 603 on the support 6, then the bolt 7 is passed through the bolt through hole 603 and the support rotating hole 103, the gasket 11 and the nut 10 are sleeved on the bolt 7, and the nut 10 is tightened to fix the light projection angle after the light projection angle is adjusted to a suitable angle.

[0051] The part not described in the utility model is the prior art or the known technology.

[0052] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model.

[0053] The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A light projector, characterized by: The application relates to a lamp body mounting cavity (101) formed by stamping a shell (1), wherein a reflector cup (3) is arranged in the lamp body mounting cavity (101), a DOB driving plate (4) is arranged at the lower end of the reflector cup (3), a plurality of DOB lamp beads (5) are arranged on the DOB driving plate (4), the DOB driving plate (4) is electrically connected with a power line (8), the power line (8) passes through the reflector cup (3) and the side of the shell (1), the power line (8) is fixed on the side of the shell (1) through a power connector (9), a plurality of drawbead (105) are arranged on the lower bottom surface of the lamp body mounting cavity (101), one side of the DOB driving plate (4) is in abutment with the reflector cup (3), and the other side is in abutment with the drawbead (105), a cavity is formed between the DOB driving plate (4) and the drawbead (105), and a glass lampshade (2) is sealingly arranged at the drawbead of the lamp body mounting cavity (101).

2. The light projector according to claim 1, wherein: Support mounting fins (102) are formed on the two sides of the shell (1) through stamping, support rotating holes (103) are arranged on the support mounting fins (102), supports (6) are fixedly arranged on the support mounting fins (102) through bolts (7) and nuts (10), gaskets (11) are arranged between the nuts (10) and the sides of the support mounting fins (102), the supports (6) are adjusted in angle around the support rotating holes (103), and the angle is fixed through the locking force of the nuts (10); the angle adjustment range of the supports (6) is 0-180 degrees.

3. The light projector of claim 2, wherein: The support (6) is arranged in a "n" shape and comprises a fixed beam (605) and two rotating arms (604), the two rotating arms (604) are vertically arranged at the two ends of the fixed beam (605), bolt through holes (603) are arranged on the rotating arms (604), and the bolt through holes (603) are arranged in alignment with the support rotating holes (103) and have the same diameter.

4. The light projector of claim 3, wherein: A circular fixing hole (602) is arranged at the center of the fixed beam (605), and an elliptical hole (601) is arranged on the two sides of the fixing hole (602), the elliptical hole (601) is used for fine adjustment of the mounting position, and the fixing hole (602) is used for fixing the mounting position.

5. The light projector of claim 1, wherein: A plurality of reflecting cavities (201) are arranged on the reflector cup (3), reflecting coating (202) is arranged on the inner side wall of the reflecting cavities (201), and the reflecting cavities (201) correspond to the distribution area of the DOB lamp beads (5).

6. The light projector of claim 1, wherein: An external thread (901) is arranged on the power connector (9), a threaded hole (104) is arranged on the side of the shell (1), the external thread (901) is in threaded connection with the threaded hole (104), so that the power connector (9) is fixed on the shell (1), and the power connector (9) is sleeved on the power line (8).

7. The light projector of claim 1, wherein: Inert gas is filled in the lamp body mounting cavity (101).

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