CN210462791U - Projection lamp - Google Patents

Abstract

The utility model discloses a projection lamp, which comprises a housin, a substrate, lens, light interception spare and glass board, light source chamber and power supply chamber are injectd to the casing, the power supply intracavity is equipped with the power, the base plate is established at the light source intracavity, be equipped with a plurality of light sources on the base plate, lens connection is in the base plate below, be equipped with the toper portion that the cover was established on the light source on the lens, the cross-sectional area of toper portion is crescent in the direction of keeping away from the base plate, light interception spare lock just is located the lens below at lens, light that light interception spare is configured into the light that the light source of intercepting lens refraction sent, the glass board is connected on the casing, the glass board is. This projecting lamp has reduced the projecting lamp better and has appeared dazzling the light phenomenon, reduces the light pollution, can also guarantee the light intensity of the penetrating light of projecting lamp to better promotion user's use satisfaction.

Description

Projection lamp

Technical Field

The utility model relates to a lighting apparatus technical field especially relates to a projecting lamp.

Background

The projecting lamp can produce the light phenomenon usually among the prior art, and on the subscriber station was followed the face at lamps and lanterns, because the light phenomenon of dazzling of projecting lamp leads to the user to produce dazzling sensation to the user of projecting lamp uses the satisfaction has been reduced. At present, in order to reduce the glare phenomenon, the common technical means is to atomize or bead the light emergent surface of the projection lamp, and the two methods can influence the light emergent intensity of the projection lamp to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projecting lamp, this projecting lamp can reduce betterly and dazzle light, reduces light pollution to promote the user of projecting lamp and use the satisfaction.

For realizing the technical effect, the utility model discloses a projecting lamp's technical scheme as follows:

a light projector, comprising: the light source module comprises a shell, a light source module and a light source module, wherein the shell defines a light source cavity and a power supply cavity, and a power supply is arranged in the power supply cavity; the substrate is arranged in the light source cavity, and a plurality of light sources are arranged on the substrate; the lens is connected below the substrate, a conical part which covers the light source is arranged on the lens, and the cross section area of the conical part is gradually increased in the direction far away from the substrate; the light-intercepting piece is buckled on the lens and positioned below the lens, and is configured to intercept light rays emitted by the light source refracted by the lens; the glass plate is connected to the shell and located below the light intercepting part.

In some embodiments, the substrate comprises: an aluminum layer; an insulating layer disposed on the aluminum layer; the copper-clad layer is arranged on the insulating layer, the light source is welded on the copper-clad layer, a thermistor is arranged on the copper-clad layer, and the thermistor is configured to detect the temperature of the copper-clad layer of the substrate.

In some embodiments, the substrate is provided with a heat sink, and a center line of the heat sink coincides with a center line of the substrate.

In some embodiments, the projector further comprises: the bracket is U-shaped and can be rotatably connected to the shell; the adjusting knob is connected with the support, the adjusting knob is connected with the shell through a first connecting piece, one of the adjusting knob and the shell is provided with a positioning protrusion, and the other of the adjusting knob and the shell is provided with a positioning groove matched with the positioning protrusion.

In some embodiments, the projector further includes a power cover rotatably fastened to the housing to close the power cavity, and the power cover is connected to the housing through a second connecting member.

In some specific embodiments, a first protrusion is disposed on the housing, a second protrusion corresponding to the first protrusion is disposed on the power cover, threaded holes are disposed in the first protrusion and the second protrusion, and the second connecting member is a screw.

In some embodiments, a plurality of fixing holes and a plurality of fixing slots distributed in a staggered manner are formed in the bottom wall of the power supply cavity, and the power supply of the projection lamp is installed on the bottom wall of the power supply cavity through the matching of fixing pieces, the fixing holes and the fixing slots.

In some embodiments, a mounting groove is formed in the housing, and a breather valve is arranged in the mounting groove and configured to adjust the air pressure in the light source cavity.

In some embodiments, the projector further comprises: the explosion-proof net is connected to the shell and is positioned below the glass plate; the light barrier is connected to the shell, and the light barrier surrounds the glass plate.

In some embodiments, the projector further includes a photosensitive element disposed on the housing and electrically connected to the circuit board of the projector, the photosensitive element being configured to disconnect the power supply circuit of the light source when detecting light.

The utility model discloses projecting lamp because the lens of projecting lamp have the toper portion and the projecting lamp below lens that the cover was established on the light source, the light that the light source jetted out is under lens and the combined action of light-cutting piece most directive projecting lamp to alleviate the projecting lamp better and appeared dazzling light phenomenon. In addition, because the glass board that is used for the light-emitting of projecting lamp does not atomize or the pearl face is handled, guaranteed the light intensity of the light that jets out of projecting lamp to a certain extent to better promotion user's use satisfaction.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a projector provided by the specific embodiment of the present invention.

Fig. 2 is an enlarged schematic view of fig. 1 at circle a.

Fig. 3 is a schematic structural diagram of the projector lamp provided by the embodiment of the present invention for removing the bracket and the power cover.

Fig. 4 is an enlarged schematic view of fig. 3 at circle B.

Fig. 5 is an exploded view of a partial structure of the projector according to the embodiment of the present invention.

Fig. 6 is a partial structural view of the projector according to the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a substrate of a projector according to an embodiment of the present invention.

Fig. 8 is a schematic partial cross-sectional view of a substrate of a projector according to an embodiment of the present invention.

Reference numerals:

1. a housing; 11. a light source cavity; 12. a power supply cavity; 13. a positioning groove; 14. a first protrusion; 15. a fixing hole; 16. fixing grooves; 17. assembling a groove;

2. a substrate; 21. an aluminum layer; 22. an insulating layer; 23. coating a copper layer; 24. a glue layer; 201. a heat sink;

3. a lens; 31. a tapered portion;

4. a light-intercepting member; 5. a glass plate; 6. a support;

7. adjusting a knob;

8. a power supply cover; 81. a second protrusion;

9. a breather valve; 10. an explosion-proof net; 101. a light barrier; 102. a photosensitive element; 103. a first connecting member; 104. a second connecting member; 105. a light source; 106. a power source.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific structure of the projector according to the embodiment of the present invention is described below with reference to fig. 1 to 8.

As shown in fig. 1, fig. 5, fig. 6, the utility model discloses the projecting lamp of embodiment includes casing 1, base plate 2, lens 3, cut off light 4 and glass board 5, casing 1 limits light source chamber 11 and power supply chamber 12, be equipped with power 106 in the power supply chamber 12, base plate 2 is established in light source chamber 11, be equipped with a plurality of light sources 105 on the base plate 2, lens 3 are connected in base plate 2 below, be equipped with the toper portion 31 of cover on light source 105 on lens 3, the cross-sectional area of toper portion 31 is crescent in the direction of keeping away from base plate 2, cut off light 4 lock at lens 3 and be located lens 3 below, cut off light 4 and be configured as the light that the refracted light source 105 of interception lens 3 sent, glass board 5 is connected on casing 1, glass board 5 is located the below of cutting off light 4.

It can be understood that, as shown in fig. 6, in the actual use process, when the light emitted by the light source 105 irradiates the lens 3, the light is reflected by the lens 3 and then emitted outward, because the portion of the light source 105 covered by the lens 3 is the tapered portion 31, and the light intercepting member 4 is arranged below the lens 3, the light can be emitted to the light intercepting member 4 after being reflected by the tapered portion 31, the light intercepting member 4 can reflect the light for the second time so as to prevent the light from being directly emitted, and under the combined action of the lens 3 and the light intercepting member 4, most of the light emitted by the light source 105 can be emitted to the right below the projection lamp, so that the glare phenomenon of the projection lamp is well reduced. In addition, in the practical application process, the angle of the emitted light can be controlled by replacing different lenses 3 and light-cutting pieces 4, for example, 10 degrees, 15 degrees, 24 degrees, 36 degrees and the like, so that the projection lamp can meet the requirements of different application scenes. In addition, because the glass plate 5 that does not pass through atomizing or pearl face processing that cuts the setting of 4 below of light-emitting component has guaranteed the light intensity of the penetrating light of projecting lamp to a certain extent to better promotion user's use satisfaction.

The utility model discloses projecting lamp, because the lens 3 of projecting lamp have the toper portion 31 and the projecting lamp that the cover was established on the light source 105 be equipped with the light intercepting part 4 below lens 3, the light that light source 105 jetted out is under lens 3 and the combined action of light intercepting part 4 most directive projecting lamp to alleviate the projecting lamp better and dazzle the light phenomenon and appear. In addition, because the glass board 5 that is used for the light-emitting of projecting lamp does not atomize or the pearl face is handled, guaranteed the light intensity of the light that jets out of projecting lamp to a certain extent to better promotion user's use satisfaction.

Need supplement the explanation, in the embodiment of the utility model discloses a light source 105 on the base plate 2 is the distribution of multirow multiseriate, and when the number of light source 105 was more, for the convenience of installation, can be integrated on a spare part with a plurality of lens 3 to form a plurality of light interception piece 4 on a spare part, practiced thrift installation lens 3 like this and cut the time of light interception piece 4, thereby promoted the packaging efficiency of projecting lamp.

In some embodiments, as shown in fig. 7-8, the substrate 2 includes an aluminum layer 21, an insulating layer 22, and a copper clad layer 23, the insulating layer 22 is disposed on the aluminum layer 21, the copper clad layer 23 is disposed on the insulating layer 22, the light source 105 is soldered on the copper clad layer 23, and the copper clad layer 23 is provided with a thermistor configured to detect a temperature of the copper clad layer 23 of the substrate 2.

It can be understood that the aluminum layer 21 of the substrate 2 ensures the heat dissipation efficiency of the whole substrate 2, avoids the phenomenon that the circuit board on the substrate 2 is melted due to the long light emitting time of the plurality of light sources 105, and better solves the problem that the heat conduction performance of the light sources 105 with high-density power is poor, thereby ensuring the reliability of the projection lamp. In addition, an insulating layer 22 is arranged between the aluminum layer 21 and the copper-clad layer 23, so that the phenomenon of electric leakage of the projection lamp after long-term work is avoided, and the safety of the projection lamp is improved. In addition, when the projecting lamp causes base plate 2 heat dissipation inefficacy, high temperature because of external factor, cover taking thermistor on the copper layer 23 and combine taking the temperature detection control circuit certainly of projecting lamp, when monitoring the high temperature of base plate 2, the automatic power that reduces of projecting lamp to ensure product life-span and stability. It should be added that the copper clad layer 23 of the present embodiment is equivalent to a circuit board of the projector, and the circuit board is electrically connected to the power supply 106 disposed in the power supply cavity 12 to enable the power supply 106 to supply power to the circuit elements such as the light source 105 and the thermistor.

Optionally, the insulating layer 22 is a ceramic insulating layer 22 or a glass fiber insulating layer 22. Of course, in other embodiments of the present invention, the insulating layer 22 may also be made of other insulating materials, and is not limited to the ceramic insulating layer 22 or the glass fiber insulating layer 22 of the present embodiment.

Preferably, as shown in fig. 8, the substrate 2 further comprises a glue layer 24, and the glue layer 24 is adhered to the aluminum layer 21 and the bottom wall of the light source cavity 11, so as to facilitate the attachment of the substrate 2 to the housing 1. Of course, in other embodiments of the present invention, the base plate 2 may also be connected to the housing 1 by a connecting member such as a screw or a rivet.

In some embodiments, as shown in fig. 7, a heat sink 201 is disposed on the substrate 2, and a center line of the heat sink 201 coincides with a center line of the substrate 2. It can be understood that, when there is no heat dissipation hole slot structure on the substrate 2, the area with the highest temperature on the substrate 2 is the center of the substrate 2, in this embodiment, the center of the substrate 2 is provided with the heat dissipation slot 201, the heat dissipation slot 201 can disconnect the heat accumulation in the center of the substrate 2, and the area with higher temperature and lower temperature on the substrate 2 becomes the areas on both sides of the center of the substrate 2, so as to realize the function of heat flow and reduce the highest temperature on the substrate 2 when the light source 105 emits light.

In some embodiments, as shown in fig. 1, 3 and 4, the projector further includes a bracket 6 and an adjusting knob 7, the bracket 6 is U-shaped, the bracket 6 is rotatably connected to the housing 1, the adjusting knob 7 is connected to the bracket 6, the adjusting knob 7 is connected to the housing 1 through a first connecting member 103, one of the adjusting knob 7 and the housing 1 is provided with a positioning protrusion, and the other of the adjusting knob 7 and the housing 1 is provided with a positioning groove 13 matched with the positioning protrusion. It can be understood that, in the actual use process, the first connecting member 103 is removed, then the positioning protrusion on the adjusting knob 7 is pulled out of the positioning groove 13 on the housing 1, the position of the bracket 6 relative to the projector can be adjusted by rotating the adjusting knob 7, and when the bracket 6 is adjusted to a proper position, the adjusting knob 7 is pressed to enable the positioning protrusion on the adjusting knob 7 to be inserted into the positioning groove 13. At this time, the adjusting knob 7 and the bracket 6 cannot rotate continuously, the positioning of the bracket 6 is realized, and then the adjusting knob 7 is locked on the housing 1 by the first connecting piece 103, so that the adjusting knob 7 is prevented from falling off from the housing 1. The utility model discloses a structure that adjust knob 7 adjusted support 6 can make the user adjust the contained angle between support 6 and the horizontal plane according to actual need to better satisfy user's use needs. In addition, the positioning protrusions and the positioning grooves 13 which are matched with each other on the adjusting knob 7 and the shell 1 can ensure that the rear support 6 cannot rotate relative to the shell 1 after the adjustment of a user is finished, so that the stability of the projection lamp is ensured.

Preferably, be equipped with a plurality of bends on the support 6, promote the intensity of support 6 like this to a certain extent, promoted the resistant impact force of support 6 to further promote the stability of projecting lamp.

In some embodiments, as shown in fig. 1-2, the projector further includes a power cover 8, the power cover 8 is rotatably fastened to the housing 1 to close the power cavity 12, and the power cover 8 is connected to the housing 1 through a second connector 104. It can be understood that the power cover 8 is rotatably fastened to the housing 1, so that when the user needs to replace the power 106, the power cavity 12 can be opened by rotating the power cover 8 only by detaching the second connecting member 104 from the power cover 8 and the housing 1, which facilitates the user to install, detach and replace the power 106 of the projector lamp.

In some specific embodiments, as shown in fig. 1-2, a first protrusion 14 is disposed on the housing 1, a second protrusion 81 corresponding to the first protrusion 14 is disposed on the power cover 8, threaded holes are disposed on both the first protrusion 14 and the second protrusion 81, and the second connecting member 104 is a screw. It can be understood that, in the actual detaching process, after the second connecting member 104 is unscrewed from the threaded hole on the first protrusion 14, a part of the second connecting member 104 is still screwed in the threaded hole of the second protrusion 81, so that the phenomenon that the second connecting member 104 falls off from the power cover 8 is better avoided, and the phenomenon that the second connecting member 104 is lost in the process of opening the power cover 8 for multiple times is avoided. In addition, the threaded holes are formed in the first protrusion 14 and the second protrusion 81 on the housing 1 and the power supply cover 8, so that the threaded holes formed in the side walls of the housing 1 and the power supply cover 8 are avoided, and the strength of the housing 1 and the power supply cover 8 is better ensured.

Of course, in other embodiments of the present invention, the power cover 8 may also be connected to the housing 1 through other structures such as a buckle, and is not limited to the screw connection of this embodiment.

In some embodiments, as shown in fig. 3, the bottom wall of the power supply cavity 12 is provided with a plurality of fixing holes 15 and a plurality of fixing slots 16 distributed in a staggered manner, and the power supply 106 of the projector is mounted on the bottom wall of the power supply cavity 12 through the cooperation of the fixing pieces with the fixing holes 15 and the fixing slots 16. It can be understood that, a plurality of fixing holes 15 and a plurality of fixing slots 16 distributed in a staggered manner are disposed on the bottom wall of the power supply cavity 12, so that a user can select a proper fixing hole 15 and a proper fixing slot 16 to install the power supply 106 according to the size of the power supply 106, and thus the projection lamp of the embodiment can be compatible with a plurality of models of power supplies 106, and the application range of the projection lamp is expanded well.

Advantageously, one of the two connecting flanges of the power supply 106 is fitted on the bottom wall of the power supply chamber 12 through the fixing hole 15, and the other connecting flange is fitted on the bottom wall of the power supply chamber 12 through the fixing groove 16. Therefore, the installation stability of the power supply 106 is ensured, and the phenomenon that the installation of the power supply 106 is difficult because the installation hole on the power supply 106 and the fixing hole 15 of the power supply cavity 12 cannot correspond to each other when the power supply 106 is installed is avoided.

In some embodiments, as shown in fig. 5, a mounting groove 17 is formed on the housing 1, a breather valve 9 is arranged in the mounting groove 17, and the breather valve 9 is configured to adjust the air pressure in the light source cavity 11. It can be understood that the breather valve 9 is disposed in the fitting groove 17, so that the breather valve 9 has a longer life in actual use and is less likely to hit and touch the breather valve 9. It should be added that the main function of the assembly groove 17 is to accommodate the breather valve 9, and the specific shape and size of the assembly groove 17 are not limited herein and can be selected according to actual needs.

In some embodiments, as shown in fig. 1, the projector further includes an explosion-proof net 10 and a light barrier 101, the explosion-proof net 10 is connected to the housing 1, the explosion-proof net 10 is located below the glass plate 5, the light barrier 101 is connected to the housing 1, and the light barrier 101 is disposed around the glass plate 5. It will be appreciated that the explosion-proof screen 10 prevents glass fragments from splashing when the glass panel 5 is blown, thereby reducing the likelihood of injury to personnel from blowing the glass panel 5. In addition, the light barrier 101 can further prevent light from diffusing toward the side of the housing 1, thereby further reducing the glare phenomenon of the projector.

In some embodiments, as shown in fig. 1, the projector further includes a light sensing element 102, the light sensing element 102 is disposed on the housing 1, and the light sensing element 102 is electrically connected to a circuit board of the projector, and the light sensing element 102 is configured to disconnect a power supply circuit of the light source 105 when detecting light. It will be appreciated that when there is light during the day, energy is wasted if the projector continues to emit light, whereas in the present embodiment, due to the presence of the light-sensitive element 102, the light-sensitive element 102 is configured to disconnect the power supply circuit of the light source 105 when light is detected. Therefore, when the light is strong in the daytime, the power supply circuit of the light source 105 is disconnected, the projection lamp cannot emit light, and when the light is not emitted at night or the light is weak in the daytime, the photosensitive element 102 can be connected with the power supply circuit of the light source 105, so that the light source 105 emits light, and the phenomenon of energy waste is well avoided.

It should be added here that, in the present invention, the electrical connection relationship and the control logic between the photosensitive element 102 and the circuit board of the projector lamp should be selectable by those skilled in the art according to the control principle, and the control logic between the photosensitive element 102 and the circuit board is not limited herein.

Example (b):

as shown in fig. 1 to 8, the projector of the present embodiment includes a housing 1, a substrate 2, a lens 3, a light-blocking member 4, a glass plate 5, a bracket 6, an adjusting knob 7, a power supply cover 8, a breather valve 9, an explosion-proof net 10, a light-blocking plate 101 and a photosensitive element 102, the housing 1 defines a light source cavity 11 and a power supply cavity 12, the substrate 2 is disposed in the light source cavity 11, 144 light sources 105 are disposed on the substrate 2, and the 144 light sources 105 are formed in 8 rows and 18 columns. The lens 3 is connected below the substrate 2, the lens 3 is provided with a tapered portion 31 covering the light source 105, and the cross-sectional area of the tapered portion 31 gradually increases in a direction away from the substrate 2. Of which 4 rows and 6 columns of 24 lenses 3 are formed as one lens group, and in this embodiment there are 6 lens groups. The light-intercepting part 4 is buckled on the lens 3 and is positioned below the lens 3, and the light-intercepting part 4 is configured to intercept light rays emitted by the light source 105 refracted by the lens 3. Wherein 4 rows and 6 columns of 24 light-intercepting members 4 form one light-intercepting member group, and in the embodiment, there are 6 light-intercepting member groups. The glass plate 5 is attached to the housing 1, and the glass plate 5 is located below the light-intercepting member 4. The bottom wall of the power supply cavity 12 is provided with a plurality of fixing holes 15 and a plurality of fixing grooves 16 distributed in a staggered manner, and a power supply 106 of the projection lamp is installed on the bottom wall of the power supply cavity 12 through the matching of the fixing pieces, the fixing holes 15 and the fixing grooves 16. The housing 1 is provided with an assembly groove 17, a breather valve 9 is arranged in the assembly groove 17, and the breather valve 9 is configured to adjust the air pressure in the light source cavity 11.

The substrate 2 comprises an aluminum layer 21, an insulating layer 22, a copper-clad layer 23 and a glue layer 24, wherein the glue layer 24 is bonded on the bottom walls of the aluminum layer 21 and the light source cavity 11, the insulating layer 22 is arranged on the aluminum layer 21, the copper-clad layer 23 is arranged on the insulating layer 22, the light source 105 is welded on the copper-clad layer 23, and a thermistor is arranged on the copper-clad layer 23 and is configured to detect the temperature of the copper-clad layer 23 of the substrate 2. The substrate 2 is provided with a heat dissipation groove 201, and the center line of the heat dissipation groove 201 coincides with the center line of the substrate 2. The support 6 is U type, and support 6 rotationally connects on casing 1, and adjust knob 7 links to each other with support 6, and adjust knob 7 links to each other with casing 1 through first connecting piece 103, and it is protruding to be equipped with the location on adjust knob 7, and the middle-upper location recess 13 that is equipped with and fixes a position protruding complex in the casing 1. The power supply cover 8 is rotatably fastened on the housing 1 to close the power supply cavity 12, and the power supply cover 8 is connected with the housing 1 through a second connecting piece 104. Be equipped with first arch 14 on the casing 1, be equipped with the second arch 81 that corresponds the setting with first arch 14 on the power lid 8, all be equipped with the screw hole on first arch 14 and the second arch 81, second connecting piece 104 is the screw. The explosion-proof net 10 is connected on the casing 1, the explosion-proof net 10 is located below the glass plate 5, the light barrier 101 is connected on the casing 1, and the light barrier 101 is arranged around the glass plate 5.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. A projector, comprising:

the LED lamp comprises a shell (1), wherein the shell (1) defines a light source cavity (11) and a power supply cavity (12), and a power supply (106) is arranged in the power supply cavity (12)

The substrate (2), the substrate (2) is arranged in the light source cavity (11), and a plurality of light sources (105) are arranged on the substrate (2);

the lens (3) is connected below the substrate (2), a conical part (31) which covers the light source (105) is arranged on the lens (3), and the cross section area of the conical part (31) is gradually increased in the direction away from the substrate (2);

the light-intercepting piece (4), the light-intercepting piece (4) is buckled on the lens (3) and is positioned below the lens (3), and the light-intercepting piece (4) is configured to intercept light rays emitted by the light source (105) refracted by the lens (3);

the glass plate (5), the glass plate (5) is connected on the casing (1), the glass plate (5) is located the below of light-stopping member (4).

2. The projector according to claim 1, characterized in that said base plate (2) comprises:

an aluminum layer (21);

an insulating layer (22), the insulating layer (22) being provided on the aluminum layer (21);

a copper-clad layer (23), the copper-clad layer (23) being provided on the insulating layer (22), the light source (105) being welded on the copper-clad layer (23), the copper-clad layer (23) being provided with a thermistor configured to detect a temperature of the copper-clad layer (23) of the substrate (2).

3. The floodlight according to claim 1, characterized in that said base plate (2) is provided with a heat sink (201), the centerline of said heat sink (201) coinciding with the centerline of said base plate (2).

4. The light projector according to claim 1, characterized in that it further comprises:

the bracket (6), the said bracket (6) is the U-shaped, the said bracket (6) is connected to the said body (1) rotatably;

adjusting knob (7), adjusting knob (7) with support (6) link to each other, adjusting knob (7) through first connecting piece (103) with casing (1) links to each other, adjusting knob (7) with be equipped with the location arch on one in casing (1), adjusting knob (7) with be equipped with on another in casing (1) with location arch complex positioning groove (13).

5. The floodlight according to claim 1, characterized in that it further comprises a power cover (8), said power cover (8) being rotatably snap-fitted on said casing (1) to close said power cavity (12), said power cover (8) being connected to said casing (1) through a second connection (104).

6. The project lamp according to claim 5, characterized in that a first protrusion (14) is provided on the housing (1), a second protrusion (81) corresponding to the first protrusion (14) is provided on the power cover (8), both the first protrusion (14) and the second protrusion (81) are provided with threaded holes, and the second connecting member (104) is a screw.

7. The floodlight according to claim 1, characterized in that a plurality of fixing holes (15) and a plurality of fixing slots (16) are disposed on a bottom wall of the power cavity (12), wherein the plurality of fixing slots (16) are distributed in a staggered manner, and the power source (106) of the floodlight is mounted on the bottom wall of the power cavity (12) through the cooperation of fixing members with the fixing holes (15) and the fixing slots (16).

8. The floodlight according to claim 1, characterized in that said housing (1) is provided with a fitting groove (17), said fitting groove (17) being provided with a breather valve (9) therein, said breather valve (9) being configured to regulate the air pressure inside said light source cavity (11).

9. The light projector according to claim 1, characterized in that it further comprises:

the explosion-proof net (10), the explosion-proof net (10) is connected to the shell (1), and the explosion-proof net (10) is positioned below the glass plate (5);

the light barrier (101), light barrier (101) connect in on casing (1), just light barrier (101) encircle glass board (5) set up.

10. The projector according to claim 1, characterized in that it further comprises a light-sensitive element (102), said light-sensitive element (102) being provided on the casing (1) and said light-sensitive element (102) being electrically connected to a circuit board of the projector, said light-sensitive element (102) being configured to disconnect the power supply circuit of said light source (105) when detecting light.

Images