Projection lamp
Technical Field
The utility model belongs to the technical field of the illumination lamps and lanterns, a projecting lamp is related to.
Background
The projector is a lamp that specifies that the illuminance on the illuminated surface is higher than that in the surrounding environment. Also known as spotlights. In general, it can be aimed in any direction and has a structure that is not affected by the climatic conditions. The method is mainly used for large-area operation field mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like. Thus, almost all large area lighting fixtures used outdoors can be considered as floodlights. The emergent beam angle of the projection lamp is wide and narrow, the variation range is between 0 and 180 degrees, and the beam is particularly narrow and is called a searchlight.
Because the projecting lamp is mostly used in the open air, consequently need better rain proofness ability, need convenient assembling simultaneously, but also need prevent that the electric leakage from causing the injury to the user.
According to the investigation, the traditional Chinese patent CN201921621067.1 'a projection lamp' comprises a lamp body, a mounting disc, a light source module and a base, wherein the lamp body is buckled with a face cover, the light source module is mounted in the lamp body, a lens and a sealing piece are sequentially arranged between the light source module and the face cover, the lamp body is hinged on the base, the base is fixed in the mounting disc, and a power supply is further mounted between the base and the mounting disc. The product is adjustable in the horizontal direction and the vertical plane, and the light projection direction is convenient to adjust; the cable is fixed inside and adopts water repellent treatment, does not expose the part, and water-proof effects is good.
Chinese patent "a projecting lamp" that patent number is CN201922176473.8 in addition, including lamp body and supporting component, the supporting component includes bottom plate and support handle, the back of bottom plate and lamp body links to each other, the both sides of bottom plate are equipped with the connecting plate, be equipped with the connecting hole on the connecting plate and use the connecting hole as the arc wall in the centre of a circle, the tip of support handle is connected fixedly through a first connecting piece and the connecting plate that pass the connecting hole, and passes the second connecting piece and the connecting plate of arc wall through another simultaneously and be connected fixedly. This projecting lamp combines through first connecting piece and second connecting piece to realize the adjustment of the relative angle between lamp body and the supporting component, can become the right angle with the lamp body to hang in the top supporting component, also can will adjust supporting component and lamp body angle and reduce and arrange ground in order to be fixed as lamp body back fulcrum supporting component.
Both of the above-mentioned projectors can adjust the angle of irradiation to change the projection direction, but do not improve the rain-proof performance and the electric leakage prevention performance.
Disclosure of Invention
The utility model aims to solve the technical problem that a simple structure is reasonable, the illuminating effect is good and can make things convenient for angle regulation's projecting lamp is provided to foretell technical current situation, prevents that the product from falling the damage and can more effectual isolation avoid the electric conduction to the user injury, have better waterproof performance simultaneously.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a projecting lamp, includes lamp body and base, is equipped with light emitting component and PCB board in the lamp body, the lamp body can be installed on the base with certain angle regulation around, and the lamp body is including sealed protecgulum and the back lid to closing, its characterized in that: the front cover is made of die-cast aluminum, the rear cover is made of a PC material, a cavity is formed in the middle of the outer end face of the front cover, a light-emitting element and a lamp bowl are sequentially arranged in the cavity from inside to outside, toughened glass is hermetically mounted at an opening of the cavity in the front side of the lamp bowl, the light-emitting element is a COB lamp, a PCB is mounted in a cavity formed by the closing of the rear cover and the front cover, and a first sealing ring is arranged at the closing position of the rear cover and the front cover.
As the improvement, the lamp body is of a rectangular structure with four corners trimmed, the cavity in the middle of the front cover is a rectangular cavity corresponding to the COB lamp, mounting holes are formed in the edge of the COB lamp, corresponding through holes are formed in the bottom surface of the cavity, the COB lamp is electrically connected with the PCB in the cavity through screw fixation, an expanding step for mounting toughened glass is arranged at the opening of the cavity, the toughened glass is arranged on the step surface of the opening of the cavity and fixed through a glass pressing plate, and a second sealing ring for increasing waterproofness is lined between the toughened glass and the step surface.
And the improved PCB structure is characterized in that an installation convex column for installing a PCB is convexly arranged on the inner side of the rear cover, a corresponding positioning hole is formed in the PCB, the PCB is fixed on the inner side of the rear cover through a screw, two knobs for adjusting the illumination brightness and the light color are arranged on the outer side of the rear cover, two cylinders connected with the knobs are convexly arranged on the PCB, and a waterproof ring is lined at the position, corresponding to the cylindrical opening, of the rear cover.
The improved structure comprises a base, a U-shaped support and a connecting bolt, wherein the base is formed by assembling an H-shaped support and the U-shaped support, the H-shaped support is composed of two parallel bottom plates and a transverse plate, the transverse plate is fixedly placed above the middle parts of the two bottom plates, a threaded hole is formed in the middle part of the transverse plate, the U-shaped support is arranged on the transverse plate, a corresponding connecting hole is formed in the middle part of the U-shaped support, and the U-shaped support is detachably fixed on the H-shaped support through the connecting bolt.
Furthermore, the left side and the right side of the bottom of the rear cover are respectively provided with a connecting lug which is connected with the U-shaped support in a downward protruding mode, the connecting lugs are provided with rotating holes, the left side and the right side of the upper end of the U-shaped support are provided with corresponding rotating holes, and the lamp body is arranged on the base in a manner that the lamp body can be adjusted by a certain angle from front to back by penetrating through the rotating holes and the rotating holes through the claw screw.
Furthermore, two ends of two bottom plates of the H-shaped bracket are respectively sleeved with an anti-skid sleeve.
Furthermore, a USB socket is arranged on the lower portion of the outer side of the rear cover, a USB circuit board connected with the USB socket is arranged below the PCB in the rear cover, and a USB plug is arranged at the position of the USB socket.
Furthermore, the inner side of the front cover is provided with a matching surface matched with the rear cover, the matching surface is provided with a connecting column, the rear cover is provided with a corresponding counter bore, and the front cover and the rear cover are fixed through screws after being matched.
Further, the protruding trapezoidal boss that is equipped with in upper end middle part of back lid, be equipped with a handle on the trapezoidal boss, the lower extreme setting of handle is in the left and right sides of trapezoidal boss, and the connecting hole has been seted up to the lower extreme both sides of handle, and the upper end of protecgulum is equipped with the spliced pole that corresponds, and the handle passes through the screw and is fixed with the protecgulum.
And finally, a wire outlet hole for leading in a power supply wire is formed in the bottom of the rear cover, a waterproof joint is arranged at the wire outlet hole, the power supply wire adopts a three-core wire, and the power supply plug is a three-pin plug or a two-pin plug.
Compared with the prior art, the utility model has the advantages of: the shell of the lamp body is made of PC material and die-cast aluminum, so that the product can be prevented from falling and being damaged, and the PC material can be more effectively isolated to avoid the damage of electric conduction to a user; the light-emitting element adopts a high-power COB lamp, bright irradiation can reach above 4500LM, toughened glass in front of a lamp bowl meets an anti-freezing test of minus 20 ℃ and a ball pressure test of 500 g and 1.5 m, and light transmittance reaches above 98%; the base is detachable, so that the irradiation angle of the lamp body can be conveniently adjusted; the lifting handle is arranged, so that the carrying and moving are convenient; the plug power line adopts three-core line to prevent the electric leakage from hurting the user. And a waterproof USB interface is arranged, so that the projection mode of the projection lamp can be conveniently modified. The interface the utility model has the advantages of simple and reasonable structure, waterproof performance is good and can conveniently adjust illumination angle and illumination luminance, prevents falling, anticreep simultaneously, can satisfy outdoor lighting's needs, is fit for using under the outdoor rainy condition.
Drawings
Fig. 1 is a schematic front structural view of embodiment 1 of the present invention;
fig. 2 is a schematic back structure diagram of embodiment 1 of the present invention;
fig. 3 is a transverse sectional view of embodiment 1 of the present invention;
fig. 4 is a longitudinal sectional view of embodiment 1 of the present invention;
fig. 5 is an exploded view of embodiment 1 of the present invention;
fig. 6 is a schematic front structural view of embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in figures 1-6, the projection lamp comprises a lamp body A and a base 9, wherein the lamp body A can be installed on the base 9 in a front-back angle adjusting mode, and a light-emitting element 3 and a PCB 7 are arranged in the lamp body A. The lamp body A is the rectangle structure of four corners side cut, and lamp body A covers 2 including sealed protecgulum 1 and the back that closes, and wherein protecgulum 1 adopts die-casting aluminium, and back lid 2 adopts the PC material, and the inboard of protecgulum 1 has the involution face that closes with back lid 2 and closes, is equipped with the spliced pole on the involution face, is equipped with corresponding counter bore on the back lid 2, and the two is fixed through the screw after closing, and back lid 2 is equipped with first sealing washer 40 with protecgulum 1 involution department.
The middle part of the outer end face of the front cover 1 is provided with a cavity 11, a light-emitting element 3 and a lamp bowl 4 are sequentially arranged in the cavity 11 from inside to outside, the light-emitting element 3 adopts a high-power COB lamp, the bright light irradiation can reach above 4500LM, toughened glass 5 is hermetically arranged at the opening of the cavity 11 in the front side of the lamp bowl 4, the toughened glass 5 meets the freezing prevention test of 20 ℃ below zero and the ball pressure test of 1.5 g, and the light transmittance reaches above 98%. The PCB 7 is arranged in a cavity formed by the involution of the back cover 2 and the front cover 1. The concave cavity 11 is the rectangular cavity corresponding to the COB lamp 3, the edge of the COB lamp 3 is provided with a mounting hole, a corresponding through hole is formed in the bottom surface of the concave cavity 11, the COB lamp 3 is fixed in the concave cavity 11 through a screw and electrically connected with the PCB 7, an expanding step for mounting the toughened glass 5 is arranged at the opening of the concave cavity 11, the toughened glass 5 is arranged on the step surface of the opening of the concave cavity 11 and fixed through a glass pressing plate 6, and a second sealing ring 30 for increasing waterproofness is lined between the toughened glass 5 and the step surface.
The inboard protruding installation projection that supplies PCB board 7 to install that is equipped with of back lid 2, is equipped with corresponding locating hole on the PCB board 7, and it is inboard at back lid 2 that PCB board 7 passes through the screw fixation, and two knobs 10 that are used for adjusting illumination intensity and light colour are equipped with about the outside of back lid 2, and PCB board 7 epirelief is equipped with two cylinders 71 that are connected with knob 10, covers the trompil position corresponding to cylinder 71 at the back and has lined with waterproof circle 60.
The USB socket 8 is arranged on the lower portion of the outer side of the rear cover 2, a USB circuit board 81 connected with the USB socket 8 is arranged in the rear cover 2 and below the PCB 7, and a USB plug 82 is arranged at the position of the USB socket 8 and can be charged conveniently. The protruding trapezoidal boss 23 that is equipped with in the upper end middle part of back lid 2, be equipped with a handle 50 on the trapezoidal boss 23, the lower extreme setting of handle 50 is in the left and right sides of trapezoidal boss 23, and the connecting hole has been seted up to the lower extreme both sides of handle 50, and the upper end of protecgulum 1 is equipped with corresponding spliced pole, and handle 50 is fixed with protecgulum 1 through the screw. The bottom of the rear cover 2 is provided with a wire outlet for leading in a power wire, the wire outlet is provided with a waterproof joint 70, the power wire adopts a three-core wire, the damage of electric leakage to a user can be prevented, and the power plug 80 is a three-pin plug.
The base 9 is assembled by an H-shaped bracket 91 and a U-shaped bracket 92, the H-shaped bracket 91 is composed of two parallel bottom plates 911 and a transverse plate 912, the transverse plate 912 is fixedly placed above the middle parts of the two bottom plates 911, a threaded hole is formed in the middle part of the transverse plate 912, the U-shaped bracket 92 is arranged on the transverse plate 912, a corresponding connecting hole 921 is formed in the middle part of the U-shaped bracket 92, and the U-shaped bracket 92 is detachably fixed on the H-shaped bracket 91 through a connecting bolt 93. The left side and the right side of the bottom of the rear cover 2 are respectively provided with a connecting lug 21 which is rotatably connected with the U-shaped support 92 in a downward protruding mode, the connecting lug 21 is provided with a rotating hole 22, the left side and the right side of the upper end of the U-shaped support 92 are provided with corresponding rotating holes 922, and the lamp body A is arranged on the base 9 in a manner that the lamp body A can be adjusted by a certain angle from front to back by penetrating through the rotating holes 22 and the rotating holes 922 through the claw screws 20. Two ends of two bottom plates 911 of the H-shaped bracket 91 are respectively sleeved with an anti-skid sleeve 913.
During the use, luminance and the colour of illumination are adjusted to accessible knob 10, through adjusting goat's horn screw 20, adjust lamp body A's angle of illumination, because the shell of lamp body adopts PC material and die-casting aluminium, do benefit to and prevent that the product from falling the damage and PC material can more effectual isolation avoid the electric conduction to the user injury, and this embodiment has better waterproof performance, especially is fit for using under the outdoor rainy condition.
Example 2
As shown in fig. 6, the difference from embodiment 1 is that the power plug 80 of the projector is a two-pin plug.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.