CN209960289U

CN209960289U - LED projection lamp and lamp box

Info

Publication number: CN209960289U
Application number: CN201920776957.3U
Authority: CN
Inventors: 杜景龙; 潘红军; 杨昆
Original assignee: Shanghai Yijia Lighting Technology Co Ltd
Current assignee: Shanghai Yijia Intelligent Technology Group Co., Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-17
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a LED projection lamp, including lamp body, lamp plate and lamp shade, the lamp plate includes aluminium base board and lamp pearl module, the open-top of lamp body, aluminium base board are fixed in the lamp body, lamp pearl module is the line that the rectangle includes a plurality of parallel arrangement, every line is including red lamp pearl, green lamp pearl and blue lamp pearl that set gradually, and lamp pearl module is fixed on aluminium base board, all covers on every red lamp pearl, green lamp pearl and the blue lamp pearl and is equipped with a lens; the lampshade comprises a peripheral frame and a plurality of grating plates on the inner side, one end of the frame is fixed on the opening of the lamp shell, the other end of the frame is a light outlet, and the grating plates are fixed in the frame in parallel along the light outlet direction; both sides of the lens and the upper part of the symmetry axis are provided with a grating plate. The utility model discloses a lamp box, including LED projecting lamp and case frame, the case frame includes three rectangular plate that connects gradually, and the LED projecting lamp is fixed in the contained angle of two rectangular plates. The utility model discloses a there is not colour separation when LED projecting lamp uses full-color light source, and light is soft.

Description

LED projection lamp and lamp box

Technical Field

The utility model belongs to the lighting apparatus field, concretely relates to LED projecting lamp and lamp house.

Background

LEDs are widely used as semiconductor light sources for illumination. The LED projection lamp is mainly used in the fields of outdoor landscape lighting, bridge brightening, building brightening and the like. When some brightening projects are made, regular or irregular window frames, bridge holes, decorative frames and the like are often encountered. In the implementation process, the lamplight is difficult to be uniformly distributed on the surface of the frame; secondly, severe glare can be caused when the lamp is observed from other visual angles except the back of the lamp; third, color separation occurs when a full color LED light source is used. At present, the market has a plurality of single colors, and how to achieve full color without color separation is a problem worthy of discussion.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists provides a LED projecting lamp and lamp house to solve the problem of the easy colour separation of current full-color LED projecting lamp.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an LED projection lamp comprises a lamp shell, a lamp panel and a lamp shade, wherein the lamp panel comprises an aluminum substrate and a lamp bead module, the top of the lamp shell is open, the aluminum substrate is fixed in the lamp shell, the lamp bead module is rectangular and comprises a plurality of parallel rows, each row comprises a red lamp bead, a green lamp bead and a blue lamp bead which are sequentially arranged, the lamp bead module is fixed on the aluminum substrate, and each of the red lamp bead, the green lamp bead and the blue lamp bead is covered with a lens; the lampshade comprises a peripheral frame and a plurality of grating plates on the inner side, one end of the frame is fixed on the opening of the lamp housing, the other end of the frame is a light outlet, and the grating plates are fixed in the frame in parallel along the light outlet direction; and the grating plates are arranged on two sides of the lens and above the symmetrical shaft.

The utility model discloses it is further set up that the critical height of grid plate is h, h is d/(2tan r), d represents the diameter of lens, r represents the angle of lens along the normal direction; the actual height of the grid plate is greater than or equal to h.

The utility model discloses set up further as, the frame includes four consecutive planar curb plates, be first curb plate, second curb plate, third curb plate and fourth curb plate in proper order, adjacent two perpendicular setting between the curb plate, two relative curb plate shapes are the same, first curb plate with the third curb plate parallel arrangement, the second curb plate with the fourth curb plate is the rectangle and the distance between second curb plate and the fourth curb plate increases along the light-emitting direction gradually; the grid plate is parallel to the first side plate.

The utility model discloses further set up to, the second curb plate with be equipped with the jack that a plurality of positions correspond on the fourth curb plate, the both sides of grid board are connected with outstanding inserted sheet, insert respectively the second curb plate with on the fourth curb plate.

The utility model is further arranged in that the lamp shell is provided with a through hole, an external cable is arranged in the through hole, and one end of the cable is electrically connected with the lamp bead module on the aluminum substrate; and a waterproof joint is arranged between the through hole and the cable.

The utility model discloses further set up to, be connected with a plurality of perpendicular to on the lateral surface of lamp body the heat dissipation strip on lamp body surface.

The utility model discloses further set up to, be fixed with the printing opacity inoxidizing coating on the top surface of lamp body.

The utility model discloses further set up to, it has the gluey groove of beating that is used for squeezing into glue to open on the top surface of lamp body, the printing opacity inoxidizing coating is in through gluing the top surface of lamp body.

Preferably, the light-transmitting protective layer is made of ultra-white toughened glass.

The utility model discloses further set up to, lens are asymmetric lens, the second curb plate with the contained angle of fourth curb plate is theta, lens are at the angle more than or equal to theta of horizontal direction.

The utility model also provides a lamp box, including foretell LED projecting lamp and case frame, the case frame includes three rectangular plate that connects gradually, the LED projecting lamp is fixed two in the contained angle of rectangular plate.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a LED projecting lamp is installed in some window frames, when building decoration frame especially dysmorphism frame etc. when, through changing lamps and lanterns grading, realizes light evenly distributed in regular or special-shaped frame surface, does not have the colour separation when using the full-color light source of LED. The eyes are indirect light reflected by the light receiving surface, so that the light becomes soft, and the discomfort of direct strong light and dazzling is avoided when people walk from various directions to enjoy the light.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a split structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of a disassembled structure of a lampshade;

FIG. 4 is a top view of the lamp panel;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic view of an end structure of the lamp panel;

FIG. 7 is a top view of the lamp envelope;

FIG. 8 is a cross-sectional view of the lamp envelope;

FIG. 9 is a light extraction diagram of a lens;

FIG. 10 is a front bottom view of the light box;

fig. 11 is a bottom oblique view of the light box.

Wherein, 1, lamp shell; 2. an aluminum substrate; 3. a lamp bead module; 4. a red lamp bead; 5. a green lamp bead; 6. blue lamp beads; 7. a lens; 8. a grid plate; 9. a first side plate; 10. a second side plate; 11. a third side plate; 12. a fourth side plate; 13. a jack; 14. inserting sheets; 15. a cable; 16. a waterproof joint; 17. a heat dissipating strip; 18. ultra-white toughened glass; 19. gluing a groove; 20. a rectangular plate; 21. an end cap; 22. and a through hole.

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 work belong to the protection scope of the present invention.

As an embodiment of the utility model, a LED projecting lamp, see fig. 1, fig. 2, fig. 4-fig. 6, including lamp body 1, lamp plate and lamp shade, the lamp plate includes aluminium base board 2 and lamp pearl module 3, the open-top of lamp body 1, aluminium base board 2 is fixed in lamp body 1, lamp pearl module 3 includes a plurality of parallel arrangement's line for the rectangle, every line is including red lamp pearl 4 that sets gradually, green lamp pearl 5 and blue lamp pearl 6, lamp pearl module 3 is fixed on aluminium base board 2, every red lamp pearl 4, all cover on green lamp pearl 5 and the blue lamp pearl 6 and be equipped with a lens 7, lens 7 accessible glass glues fixedly with aluminium base board 2. The lampshade comprises a peripheral frame and a plurality of grating plates 8 at the inner side, one end of the frame is fixed on the opening of the lamp shell 1, the other end of the frame is a light outlet, and the grating plates 8 are fixed in the frame in parallel along the light outlet direction; both sides of the lens 7 and above the symmetry axis are provided with a grating plate 8. The aluminum substrate 2 and the auxiliary electronic components are fixed by conventional reflow soldering. The utility model discloses a light distribution is once carried out to the lamp pearl, the lamp pearl of the different angles of selectable, if 120. In order to achieve the required effect, the lens 7 is used for secondary light distribution, so that the light-emitting angle is controlled within a certain range, and the utilization rate of light is improved. Such as: 15 °, 30 °, 45 °, 60 °, etc. As shown, for example, the light source passes through the secondary light distribution, and 15 ° of light is emitted from each point on the surface of the lens 7.

In the above embodiment, when the three-color lamp beads are simultaneously on, the mixed light is white; when the red lamp beads 4 and the green lamp beads 5 are simultaneously bright, the mixed light is yellow; when the red lamp beads 4 and the blue lamp beads 6 are simultaneously bright, the mixed light is purple; when the green light beads 5 and the blue light beads 6 are simultaneously bright, the mixed light is cyan. The brightness of the LED light sources with different primary colors is controlled, and the color with stronger deviation to the brightness can be further mixed. Color separation means that when three colors of lamp beads are bright at the same time and mixed into white light, the white light is red/green/blue or other colors, so that the white light is impure. The reason is that the positional relationship of the light source, the lens 7, and the grating plate 8 is not treated. The utility model discloses in, light source position relation, each line is including red lamp pearl 4, green lamp pearl 5 and blue lamp pearl 6 that set gradually, guarantees that the same light can be mixed out in every grid board 8's space, and the light source colour of every row must be unanimous. The position relation of the lens 7, the distance between the adjacent lenses 7 is as close as possible under the condition that the condition allows, and the light mixing effect is in direct proportion to the distance of the light source. The grating plates 8 are positioned in such a way that three grating plates 8 bisect a row of lenses 7, and the middle grating plate 8 is on the symmetry axis of the lenses 7. The utility model discloses a fine solution LED light source mixed light colour separation problem of these three kinds of position relations.

As shown in fig. 3, the frame includes four connected planar side plates, which are a first side plate 9, a second side plate 10, a third side plate 11 and a fourth side plate 12 in sequence, two adjacent side plates are vertically arranged, the shapes of the two opposite side plates are the same, the first side plate 9 and the third side plate 11 are arranged in parallel, the second side plate 10 and the fourth side plate 12 are rectangular, and the distance between the second side plate 10 and the fourth side plate 12 gradually increases along the light emitting direction; the grid plate 8 is parallel to the first side plate 9, i.e. to the third side plate 11. The lampshade can play a role in tertiary light distribution, because the light emitted by the lens 7 is diffused in a certain spatial pyramid shape, the light-emitting image of the lens can be seen in fig. 9, and the farther the light-receiving surface is from the surface of the lens 7, the larger the light spot on the light-receiving surface is; if the area of the light receiving surface is not large enough, excessive light may escape. One of the functions of the lamp cover is to intercept excessive light and prevent the light from being irradiated to the portion other than the light receiving surface.

Furthermore, as shown in fig. 3, a plurality of insertion holes 13 are disposed on the second side plate 10 and the fourth side plate 12, and two sides of the grid plate 8 are connected with protruding insertion pieces 14, which are respectively inserted on the second side plate 10 and the fourth side plate 12, so that the structure is convenient for installation, disassembly, transportation and transportation.

Further, as shown in fig. 5, a through hole 22 is formed in the lamp housing 1, an external cable 15 is installed in the through hole 22, and one end of the cable 15 is electrically connected to the lamp bead module 3 on the aluminum substrate 2; a waterproof joint 16 is arranged between the through hole 22 and the cable 15 to keep the inside sealed and drained. The lamp housing 1 can adopt a split structure, and two ends of the lamp housing are sealed and fixed by using end covers 21.

Further, as shown in fig. 6 and 8, the outer side surface of the lamp housing 1 is connected with a plurality of heat dissipation strips 17 perpendicular to the surface of the lamp housing 1, the heat dissipation strips 17 are preferably made of aluminum, the heat conduction performance is good, the heat dissipation strips 17 have a large surface area, and the heat dissipation area of the lamp housing 1 is increased, so that heat is rapidly dissipated to the outside.

Further, a light-transmitting protective layer is fixed on the top surface of the lamp housing 1 for protecting the internal components of the lamp. And a glue injecting groove 19 for injecting glue is formed in the top surface of the lamp shell 1, and the light-transmitting protective layer is adhered to the top surface of the lamp shell 1 through glue. Preferably, the light-transmitting protective layer is ultra-white toughened glass 18. The super-white toughened glass 18 can be fixed with the lamp shell 1 through glass cement, so that the sealing and waterproof effects are achieved, and the lamp meets the required IP protection grade. And the ultra-white toughened glass 18 has the least impurities, has little influence on the color rendering index of a light source, and the light emitted by the lamp is purer. In addition, the ultra-white toughened glass 18 has higher light transmittance than common glass, and has the smallest influence on the brightness of the lamp. After tempering, the glass is firmer, even if broken, and people are not easy to be injured without sharp slag.

The angle between the second side plate 10 and the fourth side plate 12 is θ, and the angle of the lens 7 in the horizontal direction is equal to or greater than θ, so the lens 7 is preferably an asymmetric lens 7.

The utility model provides a lamp house still provides, refer to fig. 10 and 11, including foretell LED projecting lamp and case frame, the case frame includes three rectangular plate 20 that connects gradually, and the LED projecting lamp is fixed in two rectangular plate 20's contained angle, and when these two rectangular plate 20's contained angle was theta, can make the light evenly shine on the sensitive surface of contained angle both sides.

The critical height of the grating plate 8 is h, h ═ d/(2tan r), d represents the diameter of the lens 7, and r represents the angle of the lens 7 in the normal direction; the actual height of the grid plate 8 is equal to or greater than h. The actual height h or more of the grating plates 8 intercepts the excess light, see fig. 5. The height of the grating plates 8, the number of the grating plates 8 and the position relation of the grating plates 8 and the lenses 7 determine the anti-glare effect, so that the anti-glare problem is solved by three-time light distribution of the light shield. Wherein, the selection of the lens 7: (1) in order to keep the height of the shading grating 8 as small as possible, the angle r in the vertical direction of the lens 7 is as small as possible; (2) in order to make the light receiving surface on both sides of the included angle theta of the rectangular plate 20 receive light uniformly, the angle of the lens 7 in the horizontal direction is not smaller than theta. Therefore, the lens 7 selected by the lamp is an asymmetric lens 7, and uniform light receiving of the three light receiving surfaces is realized through secondary light distribution of the lens 7.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An LED projection lamp is characterized by comprising a lamp shell, a lamp panel and a lamp shade, wherein the lamp panel comprises an aluminum substrate and a lamp bead module, the top of the lamp shell is open, the aluminum substrate is fixed in the lamp shell, the lamp bead module is rectangular and comprises a plurality of rows arranged in parallel, each row comprises a red lamp bead, a green lamp bead and a blue lamp bead which are sequentially arranged, the lamp bead module is fixed on the aluminum substrate, and each of the red lamp bead, the green lamp bead and the blue lamp bead is covered with a lens; the lampshade comprises a peripheral frame and a plurality of grating plates on the inner side, one end of the frame is fixed on the opening of the lamp housing, the other end of the frame is a light outlet, and the grating plates are fixed in the frame in parallel along the light outlet direction; and the grating plates are arranged on two sides of the lens and above the symmetrical shaft.

2. The LED spot light according to claim 1, wherein the frame comprises four connected planar side plates, namely a first side plate, a second side plate, a third side plate and a fourth side plate, wherein adjacent two side plates are vertically arranged, the shape of the two opposite side plates is the same, the first side plate and the third side plate are arranged in parallel, the second side plate and the fourth side plate are rectangular, and the distance between the second side plate and the fourth side plate is gradually increased along the light emitting direction; the grid plate is parallel to the first side plate.

3. The LED spot light according to claim 2, wherein the second side plate and the fourth side plate are provided with a plurality of insertion holes corresponding to each other, and two sides of the grid plate are connected with protruding insertion pieces respectively inserted into the second side plate and the fourth side plate.

4. The LED light projector as claimed in claim 2, wherein the critical height of the grid plate is h, h ═ d/(2tan r), d represents the diameter of the lens, and r represents the angle of the lens in the normal direction; the actual height of the grid plate is greater than or equal to h.

5. The LED spot light according to claim 2, wherein the lamp housing is provided with a through hole, an external cable is arranged in the through hole, and one end of the cable is electrically connected to the lamp bead module on the aluminum substrate; and a waterproof joint is arranged between the through hole and the cable.

6. The LED light projector as claimed in claim 2, wherein a plurality of heat dissipation bars are attached to the outer side of the lamp housing and perpendicular to the surface of the lamp housing.

7. The LED floodlight according to claim 2, wherein a light-transmissive protective layer is fixed to a top surface of said lamp housing.

8. The LED projection lamp according to claim 7, wherein a glue groove for injecting glue is formed on the top surface of the lamp housing, and the light-transmitting protective layer is adhered to the top surface of the lamp housing by gluing.

9. The LED floodlight according to any one of claims 2 to 8, wherein the lens is an asymmetric lens, the angle between the second side plate and the fourth side plate is θ, and the angle of the lens in the horizontal direction is greater than or equal to θ.

10. A light box comprising the LED light projector and the box frame of claim 9, wherein the box frame comprises three rectangular plates connected in sequence, the LED light projector is fixed in an included angle between two of the rectangular plates, and the included angle between the two rectangular plates is θ.