CN218327712U - Light projector - Google Patents

Abstract

The utility model discloses a projection lamp, this projection lamp include lamp body, anti-light cup and light source subassembly, protecgulum and base, the lamp body sets up for metal integrated into one piece, the surface of lamp body is sunken to be formed with the radiating groove, the lamp body has the open-ended chamber that holds, anti-light cup with the light source subassembly is all arranged in hold the intracavity, anti-light cup makes the produced light of light source subassembly is followed the opening is thrown out, and the sealed lid of protecgulum is located the opening of lamp body, the base with the lamp body is connected, the angle can be adjusted of base and make the object of co-altitude is thrown towards the different angles of opening orientation of lamp body. The utility model provides a projecting lamp that the thermal diffusivity is effectual and integration nature is high.

Description

Light projector

Technical Field

The utility model relates to a lighting apparatus technical field, in particular to projecting lamp.

Background

The projector is a lamp which makes the illumination on the appointed illuminated surface higher than the ambient environment, and is also called a spotlight. The novel landscape architecture is mainly used for monuments, sculptures, parks, flower beds and the like, and has the advantages of improving the night effect of scenic spots or better highlighting the characteristics of cities. In the scene, the projection lamp is not easy to be overlarge, and the phenomenon that the projection lamp occupies too much floor space is avoided; influence holistic pleasing to the eye, and the radiating effect of the projecting lamp of current small volume is not good, and life is limited, is difficult to install in the place that the local space is little and need throw the distance far away.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a projecting lamp, aim at providing a good and integrative high projecting lamp of thermal diffusivity.

In order to achieve the above object, the utility model provides a projecting lamp, include:

the lamp body is integrally formed by metal, a heat dissipation groove is formed on the outer surface of the lamp body in a concave mode, and the lamp body is provided with an open accommodating cavity;

the light source assembly is arranged in the accommodating cavity, and the light generated by the light source assembly is projected out of the opening by the light reflecting cup;

the front cover is arranged at the opening of the lamp body in a sealing manner; and

the base is connected with the lamp body, and the angle of the base can be adjusted to enable the opening of the lamp body to face different angles.

Optionally, the lamp body is integrally formed of aluminum alloy.

Optionally, the light source subassembly include power supply module and with the light source lamp plate that power supply module electricity is connected, it includes looks spaced power supply cavity and optics chamber to hold the chamber, power supply module install in the power supply cavity, anti-light cup with the light source lamp plate install in the optics chamber.

Optionally, the heat sink is disposed on an outer surface of the power supply cavity below.

Optionally, the projection lamp further includes a rear cover, the diameter of the lamp body decreases gradually from the optical cavity to the power supply cavity, and the rear cover covers an opening on one side of the power supply cavity.

Optionally, a first sealing groove for installing a sealing ring is arranged on an outer peripheral side of the front cover facing the cavity wall of the optical cavity to seal the optical cavity.

Optionally, a second sealing groove for installing a sealing ring is formed in one side, facing the cavity wall of the power supply cavity, of the rear cover, so as to seal the power supply cavity.

Optionally, the projecting lamp still includes fender ring and magnetism and inhales the piece, keep off the ring and arrange in the optics intracavity and be located the outside of protecgulum, the protecgulum and/or keep off the ring and be equipped with magnetism inhales the piece, keep off the ring through magnetism inhale the piece with the protecgulum is connected.

Optionally, a lock pair hole is formed in a cavity wall of the optical cavity, the lock pair hole is located below the optical cavity, an orifice of the lock pair hole faces the outer peripheral side of the blocking ring, and the blocking ring and the cavity wall of the optical cavity are fixed through a screw lock pair.

Optionally, a water leakage hole is formed in a wall of the optical cavity, the water leakage hole is located below the optical cavity, and an opening of the water leakage hole faces at least partially towards the outer periphery side of the front cover.

Optionally, one side of the baffle ring facing the front cover is provided with a third sealing groove for installing a sealing ring, so as to seal the power supply cavity.

Optionally, a lens groove for mounting a lens is further provided on the peripheral side of the central ring opening of the baffle ring.

Optionally, the base includes a fixing member for connecting with an external member, and a seat body, the seat body includes an upper seat portion and a lower seat portion, one end of the upper seat portion is rotatably connected with one end of the lower seat portion, the other end of the lower seat portion is rotatably connected with the fixing member, the other end of the upper seat portion is connected with the lamp body, a wire passage is arranged in the seat body, and the wire passage is communicated with the accommodating cavity for a connecting wire to pass through.

The technical scheme of the utility model is through adopting lamp body, reflection of light cup and light source subassembly, protecgulum and base, the lamp body is the metal integrated into one piece setting, the sunken radiating groove that is formed with of surface of lamp body, the lamp body has open-ended and holds the chamber, reflection of light cup and the light source subassembly is all arranged in hold the intracavity, reflection of light cup makes the light that the light source subassembly produced throw out from the opening, protecgulum sealed lid is located the opening of lamp body, guarantees the leakproofness of projecting lamp, the base with the lamp body is connected, the angle of base is adjustable and makes the opening of lamp body face different angles, the lamp body is the metal integrated into one piece setting, and good heat dissipation can improve projecting lamp life and wholeness, the sunken radiating groove that is formed of surface of lamp body further improves the radiating effect, the lamp body has open-ended and holds the chamber, the light source subassembly, reflection of light cup all is arranged in hold the intracavity, and the light path throws out from the opening; the base is connected with the lamp body, and the angle of the base can be adjusted to enable the opening of the lamp body to face different angles, so that objects with different heights can be projected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the projector of the present invention;

FIG. 2 is an exploded view of the lamp body and the base of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 4 is an exploded view of the lamp body and the light source assembly shown in FIG. 1;

fig. 5 is a schematic cross-sectional view of the lamp body of fig. 1.

The reference numbers indicate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The projector is a lamp which makes the illumination on the appointed illuminated surface higher than the ambient environment, and is also called a spotlight. The novel scenery spot is mainly used for monuments, sculptures, parks, flower beds and the like, and has the advantages of improving the night effect of the scenery spots or better highlighting the characteristics of cities. In the scene, the projection lamp is not easy to be overlarge, and the phenomenon that the projection lamp occupies too much floor space is avoided; influence holistic pleasing to the eye, and the radiating effect of the projecting lamp of current small volume is not good, and life is limited, is difficult to install in the place that the local space is little and need throw the distance far away.

Therefore, the utility model provides a projecting lamp.

Referring to fig. 1 to 5, in an embodiment of the present invention, the projector 100 includes a lamp body 30, a reflective cup 20, a light source assembly 10, a front cover 41 and a base 60, the lamp body 30 is formed by integrally forming a metal, a heat sink 31 is formed on a concave portion of an outer surface of the lamp body 30, the lamp body 30 has an open accommodating cavity 32, the reflective cup 20 and the light source assembly 10 are all disposed in the accommodating cavity 32, the reflective cup 20 enables light generated by the light source assembly 10 to be projected from the opening, the front cover 41 seals the opening of the lamp body 30, the base 60 is connected to the lamp body 30, and the angle of the base 60 is adjustable to enable the opening of the lamp body 30 to face different angles. The light source assembly 10 comprises a power supply assembly 11 and a light source lamp panel 12 electrically connected with the power supply assembly 11, the light source lamp panel 12 is an LED lamp panel, the lamp body 30 is formed by integrally forming metal, the heat dissipation performance is good, the service life of the projection lamp 100 is prolonged, the integrity of the projection lamp is good, the heat dissipation effect can be further improved by the heat dissipation grooves 31, the heat dissipation grooves 31 can be arranged at different positions outside the lamp body 30 and are preferably close to a heating source, the heat dissipation effect is improved, the projection lamp 100 can be used outdoors and projects light to trees at night, the angle of the base 60 can be adjusted, therefore, trees with different heights can be projected, the power supply assembly 11 comprises a built-in power supply and a charging and discharging circuit module, and the use is more convenient.

In other embodiments, the light source assembly 10 may also be provided with only an LED lamp panel and an external power supply.

The lens and the reflective cup 20 are both secondary optical devices, and are also the most common light distribution devices in the field of lamps, and are used for performing secondary light distribution on the emitted light of the light source assembly 10. The reflecting cup 20 is made of aluminum or plastic by electroplating, and has the advantages of easy molding, low cost and high temperature resistance. The effect of the lens is relatively perfect, the secondary light spot is not existed generally, the light shape is more beautiful, the lens can adopt PMMA (polymethyl methacrylate) and PC (polycarbonate), if adopting a Nefel lens, the effect is better, and the projection range is longer.

The technical proposal of the utility model is that the light source component 10 is used for generating and emitting light by adopting the light source component 10, the reflecting cup 20 or the lens, the lamp body 30 and the base 60; the reflecting cup 20 or the lens is used for changing the light path of the emitted light; the lamp body 30 is integrally formed by metal, so that the heat dissipation performance is good, the service life of the projection lamp 100 can be prolonged, the integrity is good, the heat dissipation groove 31 is formed on the concave outer surface of the lamp body 30, the heat dissipation effect is further improved, the lamp body 30 is provided with an accommodating cavity 32 with an opening, the light source assembly 10, the reflection cup 20 or the lens are all arranged in the accommodating cavity 32, and the light path is projected from the opening; the base 60 is connected to the lamp body 30, and the angle of the base 60 can be adjusted to make the opening of the lamp body 30 face different angles, so that objects with different heights can be projected.

Preferably, the lamp body 30 is made of aluminum alloy by integral molding. Good heat dissipation, lamp body 30 intensity are high, and the cost is lower, and easily the processing of polishing after the machine-shaping, wholeness and outward appearance effect are better.

Referring to fig. 3 and 4, in order to further improve the heat dissipation effect of the lamp body 30, the light source assembly 10 includes a power module 11 and a light source lamp panel 12 electrically connected to the power module 11, the accommodating cavity 32 includes a power cavity 321 and an optical cavity 322 which are separated from each other, the power module 11 is mounted in the power cavity 321, and the reflective cup 20 or the lens and the light source lamp panel 12 are mounted in the optical cavity 322. The accommodating cavity 32 is separated to form a power supply cavity 321 and an optical cavity 322, and a heating source generating heat is separated into two cavities, so that heat concentration is avoided, and the heat dissipation capability is improved.

Specifically, in order to ensure heat dissipation and give consideration to the integrity of the appearance, and avoid being obtrusive, the heat dissipation groove 31 is disposed on the outer surface below the power supply cavity 321. The heat dissipation grooves 31 are separated to form a plurality of grooves to form heat dissipation fins, so that the heat dissipation effect is improved, and meanwhile, because the heat dissipation grooves 31 are formed in the concave outer surface, the two sides can be looked at and overlooked to shield the sight, so that the lamp body 30 is integrated, and the appearance is better.

Referring to fig. 3 and 4, in order to facilitate installation and reduce cost, the lighting device further includes a rear cover 42, the lighting device 30 is a cup with two open ends, the diameter of the lighting device 30 gradually decreases from the optical cavity 322 to the power supply cavity 321, the front cover 41 covers an opening on one side of the optical cavity 322, and the rear cover 42 covers an opening on one side of the power supply cavity 321. The diameter of the lamp body 30 is gradually reduced from the optical cavity 322 to the power supply cavity 321, so that the effect of projecting light and the range of controlling the light projection can be ensured, the space can be saved, the production cost can be reduced, the cup shape is adapted to the cup shape of the general reflection cup 20 or lens in the market, and the research and development cost can be reduced.

Referring to fig. 5, the opposite sides of the cavity wall of the power cavity 321 are provided with slots, the slots are provided with communication holes outward, the rear cover 42 is provided with insertion lugs corresponding to the two slots, the insertion lugs are provided with screw holes corresponding to the communication holes, when the power supply is installed, the two insertion lugs of the rear cover 42 are inserted into the slots, the screw holes are opposite to the communication holes, and locking is performed through screws. The communicating holes are positioned at the end parts, are not easy to perceive and have small influence on the whole body.

In other embodiments, the lamp body 30 may also be square, etc.

Referring to fig. 3 and 4, in order to protect internal components, the front cover 41 is provided with a first sealing groove 411 for mounting a sealing ring 80 to seal the optical cavity 322 on an outer circumferential side of the cavity wall facing the optical cavity 322; a second sealing groove 421 for installing a sealing ring 80 is formed in one side of the rear cover 42 facing the wall of the power supply cavity 321, so as to seal the power supply cavity 321. By adopting the sealing ring 80 for sealing, the waterproof and dustproof effects are better, and the service life of the outdoor air conditioner is longer.

In other embodiments, the filling of the sealant may also be accomplished.

In order to enhance the waterproof effect, the wall of the optical cavity is provided with a water leakage hole 324, the water leakage hole 324 is located below the optical cavity, and the opening of the water leakage hole 324 faces at least partially the outer periphery side of the front cover 41.

Still be equipped with the hole 324 that leaks before first seal groove 411, the hole 324 that leaks sets up the below in the optics chamber, be convenient for go out the liquid water conservancy diversion in optics chamber, avoid liquid to flow in, first seal groove 411 installation sealing washer further improves water-proof effects simultaneously, so, when outdoor use, the optics chamber is the cup, liquid dew can be collected because of gravity in the below in optics chamber, flow out the optics chamber through the hole 324 that leaks, and behind the first seal groove 411 installation sealing washer on the protecgulum, guarantee sealing performance, the liquid of avoiding collecting flows into inside, waterproof, dustproof effect is better.

In one embodiment, a portion of the water leakage hole 324 is located at the front cover 41 such that water entering the front cover 41 flows out from the water leakage hole 324.

In this embodiment, the front cover 41 has a T-shaped cross section, and the water drain hole 32 faces the outer peripheral side of the front cover 41 and is located in front of the first seal groove 411.

Referring to fig. 3 and 4, in order to protect integrity and protect the reflective cup 20 and the lens, the projector 100 further includes a retaining ring 50 and a magnetic attraction member 70, the retaining ring 50 is disposed in the optical cavity 322 and located outside the front cover 41, the front cover 41 and/or the retaining ring 50 is provided with the magnetic attraction member 70, and the retaining ring 50 is connected to the front cover 41 through the magnetic attraction member 70. The arrangement of the retaining ring 50 can make the lamp body 30 have better integrity, and the middle of the retaining ring 50 can be provided with a protective film, glass and the like to protect the reflective cup 20 and the lens. The magnetic element 70 may be a magnet, and in one embodiment, the front cover 41 is made of metal, and the retaining ring 50 is made of other materials, so that the magnetic element 70 is disposed on the retaining ring 50 for being attracted and fixed. In another embodiment, the arrangement is reversed, and of course, the retainer ring 50 and the front cover 41 can be made of the same material, and both are provided with the magnetic member 70. One or more magnetic attracting elements 70 can also be provided.

In order to achieve the fixing effect, in this embodiment, one magnetic element 70 is provided, and a locking structure is provided for fixing, specifically, a locking hole 323 is provided in a cavity wall of the optical cavity 322, the locking hole 323 is located below the optical cavity 322 to ensure the integrity of the appearance, an aperture of the locking hole 323 faces to an outer circumferential side of the retainer ring 50, and the retainer ring 50 and the cavity wall of the optical cavity 322 are fixed by screw locking. The one locking hole 323 is arranged, so that the baffle ring 50 can be easily installed in place due to the arrangement of the magnetic attraction piece 70 during installation, and can not be separated or shaken due to the influence of machining errors or external force such as gravity and force in the assembling process, and the installation is convenient. In other embodiments, a plurality of fixing devices can be arranged to ensure the fixing effect.

In order to further ensure the protection effect, a third sealing groove 51 for installing a sealing ring 80 is provided on a side of the baffle ring 50 facing the front cover 41 to seal the power supply cavity 321. Through the arrangement of the double-layer sealing structure, the floodlight 100 can have a long life in a humid environment such as a lawn, a wetland, and the like.

Referring to fig. 3, further, for the convenience of installation and better effect of preventing glare and projected light, a lens groove 52 for installing a lens is further provided on the peripheral side of the central ring opening of the baffle ring 50. Compare and need compress tightly lens or pay with lens other manual lock through retaining ring 50, it is more convenient to install, and the wholeness is better, and the setting of lens groove 52 is convenient for the installation of lens, and lens can better control distance, the light emitting area and the facula effect of light.

As a novel light source, the LED lamp has the advantages of high luminous efficiency, energy saving, environmental protection, etc., and most of the LED projection lamps 100 used outdoors generally use conventional polyvinyl chloride (PVC) wires, and the wire diameter does not meet the requirements of outdoor lamps; in order to make the lamp small, the outgoing line mode and the inside of the lamp are directly coated with glue, so that the heat dissipation and the service life of the lamp are influenced.

Referring to fig. 2 to 4, in order to facilitate adjustment of the projection angle of the lamp body 30, the base 60 includes a fixing member 61 for connecting with an external component, and a seat body 62, the seat body 62 includes an upper seat portion 63 and a lower seat portion 64, one end of the upper seat portion 63 is rotatably connected with one end of the lower seat portion 64, the other end of the lower seat portion 64 is rotatably connected with the fixing member 61, the other end of the upper seat portion 63 is connected with the lamp body 30, a wire passage 65 is formed in the seat body 62, and the wire passage 65 is communicated with the accommodation chamber 32 for a connection wire to pass through.

The lamp body 30 is provided with a square fixing position below the power cavity 321, a via hole is arranged in the middle of the fixing position, the via hole is communicated with the power cavity 321, four mounting holes which are arranged in a square mode are formed in the fixing position around the via hole, the top end of the upper seat part 63 is matched with the fixing position in shape, two inserting columns are arranged on the edge and are positioned in the mounting holes in an inserting mode, a screw hole opposite to the mounting hole is formed in one side opposite to the inserting column, the lower portion of the upper seat part 63 is cylindrical, the lower portion of the upper seat part is located in the half position of the square upper portion of the upper seat part 63, the other half portion of the upper seat part is connected with the upper portion of the lower seat part 64, a rotating shaft is arranged in the center of the lower portion of the upper seat part 63, a shaft hole matched with the rotating shaft is formed in the upper portion of the lower seat part 64, a wire passing channel 65 is formed in the middle of the upper seat part 63 and the lower seat part 64 in a splicing mode, a power line of the power cavity 321 can penetrate out from the lower seat part 64 through the screw hole, the mounting base 60 integrally has no wiring, the good integrity, the mounting base 60 is arranged in a fixing piece in a cover-shaped form, the mounting groove 61, a fixing piece, a plurality of the mounting groove 61, a plurality of mounting groove is arranged on one side, and a plurality of the mounting screw hole is arranged on one side, and a plurality of the mounting hole is arranged on one side of the mounting hole, and matched with the mounting hole of the mounting hole, and a plurality of the mounting base 60, and a plurality of the mounting hole.

The binding surfaces of the upper seat portion 63 and the lower seat portion 64 which are rotatably connected are provided with gears which are meshed with each other, so that the rotation of the upper seat portion 63 and the lower seat portion 64 is more accurate, fine adjustment of small angles can be achieved, in order to facilitate visual quantitative adjustment, the outer sides of the upper seat portion 63 and the lower seat portion 64 which are rotatably connected are also provided with scales, and in one embodiment, the scales can be directly arranged on the surfaces of the upper seat portion 63 and the lower seat portion 64. In other embodiments, dials may be additionally provided on the upper and lower seats 63 and 64.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A projector, comprising:

the lamp body is integrally formed by metal, a heat dissipation groove is formed on the outer surface of the lamp body in a concave mode, and the lamp body is provided with an open accommodating cavity;

the light source assembly is arranged in the accommodating cavity, and the light generated by the light source assembly is projected out of the opening by the light reflecting cup;

the front cover is arranged at the opening of the lamp body in a sealing way; and

the base, the base with the lamp body is connected, the angle of base is adjustable and makes the opening of lamp body is towards different angles.

2. The light projector of claim 1 wherein the light body is integrally formed of an aluminum alloy.

3. The projector lamp as claimed in claim 2, wherein the light source assembly comprises a power supply assembly and a light source lamp panel electrically connected to the power supply assembly, the accommodating cavity comprises a power supply cavity and an optical cavity which are separated from each other, the power supply assembly is installed in the power supply cavity, and the reflective cup and the light source lamp panel are installed in the optical cavity.

4. The light projector of claim 3 wherein the heat sink is disposed on an outer surface of the power cavity below.

5. The floodlight of claim 4, further comprising a rear cover, wherein a diameter of the lamp body is gradually reduced from the optical chamber to a power supply chamber, and the rear cover covers an opening at a side of the power supply chamber.

6. The floodlight of claim 5, wherein an outer circumferential side of the front cover facing a wall of the optical cavity is provided with a first seal groove for mounting a seal ring to seal the optical cavity; and/or the presence of a gas in the gas,

and a second sealing groove for installing a sealing ring is formed in one side, facing the cavity wall of the power cavity, of the rear cover so as to seal the power cavity.

7. The floodlight of claim 5, wherein the floodlight further comprises a baffle ring and a magnetic member, wherein the baffle ring is disposed in the optical cavity and outside the front cover, the front cover and/or the baffle ring is provided with the magnetic member, and the baffle ring is connected to the front cover through the magnetic member.

8. The light projector as defined in claim 7, wherein the wall of the optical cavity is provided with a locking hole, the locking hole is located below the optical cavity, an opening of the locking hole faces to an outer periphery of the baffle ring, and the baffle ring and the wall of the optical cavity are fixed by a screw locking;

and/or a water leakage hole is formed in the wall of the optical cavity and is positioned below the optical cavity, and at least part of an orifice of the water leakage hole faces the peripheral side of the front cover.

9. The floodlight of claim 8, wherein a side of the baffle ring facing the front cover is provided with a third sealing groove for mounting a sealing ring to seal the power supply chamber; and/or the presence of a gas in the gas,

and a lens groove for mounting a lens is also arranged on the peripheral side of the central ring opening of the baffle ring.

10. The projector as claimed in claim 1, wherein the base includes a fixing member for connecting with an external member, and a housing body including an upper portion and a lower portion, one end of the upper portion is rotatably connected with one end of the lower portion, the other end of the lower portion is rotatably connected with the fixing member, the other end of the upper portion is connected with the lamp body, and a wire passage is formed in the housing body and communicates with the receiving chamber for a connection wire to pass through.

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