CN215729241U - Rain-proof projection lamp that drenches - Google Patents

Abstract

The utility model discloses a rain-proof projection lamp, which comprises a mounting plate, wherein two support plates are vertically connected on the mounting plate, a projection lamp body is connected between the two support plates, the projection lamp body comprises a shell, the top of the shell is connected with an upper cover, a sealing ring is arranged between the upper cover and the contact surface of the shell, a circuit board is connected in the shell, one end of the shell is connected with a lampshade, an LED lamp is arranged in the lampshade, a lens is connected on the lampshade, the sealing ring is connected between the lens and the contact surface of the lampshade, two side plates of the shell are respectively provided with an inner cavity, the top of one side of the inner cavity, which is close to the circuit board, is provided with a first air hole, the inner side of the first air hole is provided with a fan, the outer side of the first air hole is provided with a filter screen, the bottom of the inner cavity is provided with a second air hole, and the projection lamp can ensure the waterproof performance, but also ensures that the radiator has good heat radiation performance and stronger practicability.

Description

Rain-proof projection lamp that drenches

Technical Field

The utility model relates to the technical field of projection lamps, in particular to a rain-proof projection lamp.

Background

The projection lamp can image any picture on any lighttight medium (such as a ceiling, a floor and a nearby wall) in a light mode, the projected picture has a dynamic effect, is easy to attract the attention of passers-by, creates a warm and harmonious feeling indoors, and can display latest ideas, promotion information, commodities and the like of a merchant.

Present projection lamp is used for the open air more, the rainwater can appear and permeate the phenomenon in the projection lamp along the gap and the louvre of projection lamp shell junction, lead to the projection lamp to damage, for this reason, most projection lamps can adopt totally enclosed structure to prevent the rainwater seepage to inside, the heat dispersion of the projection lamp that also restricts when this mode plays waterproof function, the heat can not in time spill out shortens the life of projection lamp easily, consequently, this application embodiment provides a rain-proof projection lamp.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides a rainproof projection lamp, which is used for solving the problems in the background art.

The embodiment of the application discloses a rain-proof projection lamp, which comprises a mounting plate, wherein two supporting plates are vertically connected onto the mounting plate, a projection lamp body is connected between the two supporting plates, the projection lamp body comprises a shell, a detachable upper cover is connected onto the top of the shell, a sealing ring is arranged between the upper cover and a contact surface of the shell, a circuit board is connected into the shell, one end of the shell is connected with a lampshade, an LED lamp electrically connected with the circuit board is installed in the lampshade, a lens is connected onto the lampshade, a sealing ring is connected between the lens and the contact surface of the lampshade, inner cavities are arranged on two side plates of the shell, a first air hole communicated with the shell is arranged at the top of one side of the inner cavity close to the circuit board, a fan is arranged on the inner side of the first air hole, a filter screen is arranged on the outer side of the first air hole, and a second air hole is formed in the bottom of the inner cavity.

Preferably, both sides of shell all are fixed with the one end of pivot, the other end of pivot is rotatable to be run through the backup pad, the one end of pull rod is fixed with on the global of the end that stretches out of pivot perpendicularly, be equipped with the spout of vertical direction in the backup pad, slidable connection has the slider in the spout, the spout in-connection has the lead screw, the lead screw pass through screw-nut with the slider is connected, the one end rotatable coupling of lead screw is in on the inner wall of spout, the other end of lead screw runs through the spout is outer to be connected with the carousel, there is the movable sleeve through round pin axle rotatable coupling on the slider, the other end swing joint of pull rod is in the movable sleeve.

Preferably, a heat conducting plate is connected above the circuit board, a heat conducting paste is connected between the heat conducting plate and the circuit board, a plurality of radiating fins are arranged on the upper end face of the heat conducting plate, and the fan is opposite to the radiating fins.

Preferably, a plurality of strip-shaped water collecting grooves are formed in the upper end face of the upper cover and the side face of the shell.

Preferably, both sides of the bottom of the inner cavity are provided with water outlets, and the water outlets are flush with the bottom surface of the inner cavity.

The utility model has the following beneficial effects: the projection lamp can prevent rainwater from permeating through the gap at the joint of the upper cover and the shell through the sealed upper cover, waterproof performance is ensured, the fan blows heat generated during the working of the circuit board into the inner cavity through the first air hole and then is dissipated into the air through the second air hole, overhigh temperature is prevented, the circuit board is ensured to be in a stable temperature range, the service life of the projection lamp is prolonged, and the projection lamp ensures good heat dissipation performance while ensuring waterproof performance and has stronger practicability.

In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a part of a rain-proof projection lamp.

Fig. 2 is a schematic view of a projection lamp body structure.

Fig. 3 is a schematic view of a side plate structure of the housing.

Reference numerals of the above figures: 1. mounting a plate; 2. a support plate; 3. a housing; 4. an upper cover; 5. a circuit board; 6. a lamp shade; 7. an LED lamp; 8. a lens; 9. an inner cavity; 10. a first air hole; 11. a fan; 12. filtering with a screen; 13. a second air hole; 14. a rotating shaft; 15. a pull rod; 16. a chute; 17. a slider; 18. a screw rod; 19. a turntable; 20. a movable sleeve; 21. a heat conducting plate; 22. and heat dissipation fins.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a rain-proof projection lamp comprises a mounting plate 1, wherein two support plates 2 are vertically connected to the mounting plate 1, a projection lamp body is connected between the two support plates 2, the projection lamp body comprises a housing 3, a detachable upper cover 4 is connected to the top of the housing 3, so that the projection lamp body is convenient to maintain, a sealing ring is arranged between the upper cover 4 and a contact surface of the housing 3, so that the air tightness is enhanced, and the rain water is prevented from permeating, a circuit board 5 is connected to the housing 3, a lampshade 6 is connected to one end of the housing 3, an LED lamp 7 electrically connected to the circuit board 5 is arranged in the lampshade 6, a lens 8 is connected to the lampshade 6, a sealing ring is connected between the lens 8 and the contact surface of the lampshade 6, inner cavities 9 are arranged on two side plates of the housing 3, and a first air hole 10 communicated with the housing 3 is arranged at the top of one side of the inner cavity 9 close to the circuit board 5, the inboard of first gas pocket 10 is equipped with fan 11, the outside of first gas pocket 10 is equipped with filter screen 12, the bottom of inner chamber 9 is equipped with second gas pocket 13, fan 11 will the heat that the during operation of circuit board 5 produced by first gas pocket 10 blows into in the inner chamber 9, again by second gas pocket 13 effluvium prevents that the temperature is too high, influences the normal work of circuit board 5, first gas pocket 10 is located the top of second gas pocket 13 can prevent the rainwater infiltration in the first gas pocket 10, filter screen 12 can block dust and steam in the air.

One end of a rotating shaft 14 is fixed on each of two sides of the shell 3, the other end of the rotating shaft 14 can rotatably penetrate through the supporting plate 2, one end of a pull rod 15 is vertically fixed on the peripheral surface of the extending end of the rotating shaft 14, a sliding groove 16 in the vertical direction is arranged on the supporting plate 2, a sliding block 17 is slidably connected in the sliding groove 16, a lead screw 18 is connected in the sliding groove 16, the lead screw 18 is connected with the sliding block 17 through a lead screw nut, one end of the lead screw 18 can be rotatably connected on the inner wall of the sliding groove 16, the other end of the lead screw 18 penetrates outside the sliding groove 16 and is connected with a rotating disc 19, a movable sleeve 20 is rotatably connected on the sliding block 17 through a pin shaft, the other end of the pull rod 15 is movably connected in the movable sleeve 20, the rotating disc 19 is rotated to drive the lead screw 18 to rotate, and the lead screw 18 drives the sliding block 17 to slide up and down along the sliding groove 16, the sliding block 17 pushes the pull rod 15 to rotate around the axial direction of the rotating shaft 14 through the movable sleeve 20, so as to drive the rotating shaft 14 to rotate, and thus the irradiation angle of the projection lamp is adjusted.

The heat dissipation device is characterized in that a heat conduction plate 21 is connected above the circuit board 5, a heat conduction paste is connected between the heat conduction plate 21 and the circuit board 5, a plurality of heat dissipation fins 22 are arranged on the upper end face of the heat conduction plate 21, the fan is over against the heat dissipation fins 22, the heat conduction plate 21 can gather and transfer heat generated by the circuit board 5 in the working process to the heat dissipation fins 22, and then the heat is blown out by the fan, so that the heat dissipation effect is enhanced, and the projection lamp is in a stable temperature range.

The up end of upper cover 4 with all be equipped with a plurality of bar water catch bowl on the side of shell 3, can prevent ponding, reinforcing water-proof effects with rainwater gathering refluence.

The both sides of inner chamber 9 bottom all are equipped with the outlet, the outlet with the bottom surface parallel and level of inner chamber 9 prevents that the rainwater from being in inner chamber 9 cohesion

The projection lamp has the following advantages: the projection lamp can prevent rainwater from permeating through the gap at the joint of the upper cover 4 and the shell 3 through the sealed upper cover 4, and waterproof performance is ensured, the fan 11 blows heat generated during the working of the circuit board 5 into the inner cavity 9 through the first air hole 10 and then is dissipated into the air through the second air hole 13, so that overhigh temperature is prevented, the circuit board 5 is ensured to be in a stable temperature range, the service life of the projection lamp is prolonged, and the projection lamp is ensured to have good heat dissipation performance while ensuring waterproof performance, and is stronger in practicability.

The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (5)

1. The utility model provides a rain-proof projection lamp which characterized in that: comprises a mounting plate, two supporting plates are vertically connected on the mounting plate, a projection lamp body is connected between the two supporting plates, the projection lamp body comprises a shell, the top of the shell is connected with a detachable upper cover, a sealing ring is arranged between the contact surface of the upper cover and the shell, a circuit board is connected in the shell, one end of the shell is connected with a lampshade, an LED lamp electrically connected with the circuit board is arranged in the lampshade, the lampshade is connected with a lens, a sealing ring is connected between the contact surface of the lens and the lampshade, the two side plates of the shell are both provided with inner cavities, the top of one side of the inner cavity close to the circuit board is provided with a first air hole communicated with the inside of the shell, the inboard of first gas pocket is equipped with the fan, the outside of first gas pocket is equipped with the filter screen, the bottom of inner chamber is equipped with the second gas pocket.

2. The rain-proof projection lamp of claim 1, characterized in that: the utility model discloses a telescopic rotary table, including shell, backup pad, lead screw, pivot, spout, pivot, spout, carousel, swivel joint, the both sides of shell all are fixed with the one end of pivot, the other end rotatable of pivot runs through the backup pad, the one end of pull rod is fixed with on the global of the end that stretches out of pivot perpendicularly, be equipped with the spout of vertical direction in the backup pad, slidable connection has the slider in the spout, the spout in-connection has the lead screw, the lead screw pass through screw-nut with the slider is connected, the one end rotatable coupling of lead screw is in on the inner wall of spout, the other end of lead screw runs through the spout outer and is connected with the carousel, there is the movable sleeve through round pin axle rotatable coupling on the slider, the other end swing joint of pull rod is in the movable sleeve.

3. The rain-proof projection lamp of claim 1, characterized in that: the heat-conducting plate is connected above the circuit board, the heat-conducting paste is connected between the heat-conducting plate and the circuit board, the plurality of radiating fins are arranged on the upper end face of the heat-conducting plate, and the fan is opposite to the radiating fins.

4. The rain-proof projection lamp of claim 1, characterized in that: the upper end face of the upper cover and the side face of the shell are provided with a plurality of strip-shaped water collecting grooves.

5. The rain-proof projection lamp of claim 1, characterized in that: the two sides of the bottom of the inner cavity are provided with water outlets which are flush with the bottom surface of the inner cavity.

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