Projection lamp

Abstract

The utility model discloses a projection lamp, which relates to the technical field of lighting lamps and comprises a radiator, a first light-emitting structure and a light cup piece, and a mounting cavity with a light outlet at one end is formed in the radiator; the first light-emitting structure is mounted on the cavity side wall of the mounting cavity; the light cup piece is installed in the installation cavity and located on the side, away from the cavity side wall of the installation cavity, of the first light-emitting structure, and the light emitting direction of the first light-emitting structure faces the light cup piece. According to the technical scheme, the light cup piece is arranged on the side, away from the cavity side wall of the installation cavity, of the first light-emitting structure, so that all light rays emitted by the first light-emitting structure can be reflected through the inner side wall of the light cup piece, it is guaranteed that most light rays are projected out, high brightness of the lamp is guaranteed, and meanwhile the light cup piece is not prone to falling off. Therefore, light patterns are distributed more evenly, the situation of uneven brightness is avoided, and the overall paving effect of the lamp is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lighting lamp technical field, especially a light projector. BACKGROUND

[0002] With the continuous development of society and the increasing of people's living standards, the pursuit of life quality is also increasingly strong. In the lighting field, people no longer just satisfy with the simple functional lighting, but pay more attention to the atmosphere and aesthetic feeling created by the lamps. Therefore, the lamps with background light and strong atmosphere are widely loved by everyone.

[0003] In the paving effect, the existing lamps are also unsatisfactory. Either the width is enough but the brightness is not enough, which cannot provide sufficient lighting, or the brightness is enough but the width is not enough, which is difficult to create a spacious and comfortable visual experience. This is mainly due to the characteristics of light. The more the light is gathered, the higher the brightness is, but the light spot is smaller; the more the light is scattered, the larger the light spot is, but the brightness will be reduced because the light is scattered. For users, the best effect is that the light spot is large and the brightness is high, which can meet the lighting demand and create an ideal atmosphere.

[0004] In summary, the existing lamps with background light have the shortcomings in color and paving effect, which seriously affects the user's experience. CONTENT OF THE UTILITY MODEL

[0005] The main purpose of the utility model is to provide a light projector, which is characterized in that the light cup piece is arranged on one side of the cavity side wall of the first light emitting structure away from the mounting cavity, so that the light emitted by the first light emitting structure is fully irradiated on the inner side wall of the light cup piece, so that the light emitted by the first light emitting structure can be fully reflected through the inner side wall of the light cup piece, so as to ensure that most of the light is projected out, ensure the high brightness of the lamp, and make the light type more uniform, avoid the uneven bright and dark situation, and improve the overall paving effect of the lamp.

[0006] To achieve the above purpose, the light projector comprises:

[0007] A heat sink, wherein the heat sink forms a mounting cavity with a light outlet at one end;

[0008] A first light emitting structure, which is installed on the cavity side wall of the mounting cavity;

[0009] A light cup piece, which is installed in the mounting cavity and located on one side of the cavity side wall of the first light emitting structure away from the mounting cavity, and the light emitting direction of the first light emitting structure is arranged towards the light cup piece.

[0010] In an embodiment, the light cup member comprises a cup body and a side structure, the side structure is arranged on one side of the cup body, the side structure is provided with a light projecting hole on the side away from the cup body, the side surface of the side structure facing the light outlet is a light projecting surface, and the first light emitting structure is opposite to the light projecting hole.

[0011] In an embodiment, the side structure comprises a first connecting edge and a second connecting edge, one side of the first connecting edge is connected to the cup body, the other side of the first connecting edge is connected to the second connecting edge in a bending manner, the side surface of the first connecting edge facing the light outlet is a light projecting surface, and the light projecting hole is arranged on the second connecting edge.

[0012] In an embodiment, a plurality of light projecting holes are arranged on the second connecting edge, the first light emitting structure comprises a lamp plate and a plurality of main light beads, one side of the lamp plate is mounted on the cavity side wall of the mounting cavity, and a plurality of main light beads are arranged on the other side of the lamp plate in a spaced manner, each main light bead is opposite to each light projecting hole, so that the light emitted by each main light bead is irradiated to the light projecting surface through each light projecting hole.

[0013] In an embodiment, the cup body is provided with a long slot, the light projecting lamp further comprises a light guide member, a plurality of background light beads and a driving board, one side of the driving board is mounted on the cavity bottom wall of the mounting cavity, the driving board is electrically connected to each main light bead and each background light bead, a plurality of background light beads are arranged on the other side of the driving board in a spaced manner, the plurality of background light beads are opposite to the long slot, and the light guide member is mounted on the long slot to reflect the light emitted by the background light beads to the light outlet.

[0014] In an embodiment, the light guide member is provided with a plurality of protrusions arranged in a spaced manner on the side surface facing the light outlet.

[0015] In an embodiment, the material of the light guide member is transparent or translucent.

[0016] In an embodiment, the driving board comprises a substrate and a control circuit, the substrate is mounted on the cavity bottom wall of the mounting cavity, the control circuit is arranged on the substrate, the control circuit is electrically connected to each main light bead and each background light bead, and a plurality of background light beads are arranged on the substrate in a spaced manner.

[0017] In an embodiment, the light projecting lamp further comprises a lampshade, the mounting cavity is provided with clamping grooves on the opposite two side walls close to the light outlet, and the two side edges of the lampshade are respectively clamped into the two clamping grooves.

[0018] In an embodiment, the light projecting lamp further comprises two side covers, and the two side covers are respectively arranged on two outer sidewalls of the heat sink.

[0019] The technical scheme of the utility model discloses through arranging the light cup piece on the side of the cavity of the first light emitting structure away from the mounting cavity, so that the light emitted by the first light emitting structure is fully irradiated on the inner sidewall of the light cup piece, so that the light emitted by the first light emitting structure can be fully reflected through the inner sidewall of the light cup piece to emit light, so that most of the light can be projected, the high brightness of the lamp is ensured, meanwhile, the light type is more uniformly distributed, the situation of uneven brightness is avoided, and the overall paving effect of the lamp is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0021] Figure 1 The utility model provides a structure schematic diagram of a light projecting lamp embodiment;

[0022] Figure 2 The utility model provides an explosion drawing of another light projecting lamp embodiment.

[0023] Figure 3 The utility model provides a structure schematic diagram of another light projecting lamp embodiment;

[0024] Figure 4 The utility model provides an explosion drawing of another light projecting lamp embodiment.

[0025] Explanation of reference numerals:

[0026] 100, light projecting lamp, 1, heat sink, 11, mounting cavity, 12, light outlet, 13, clamping groove, 2, first light emitting structure, 21, lamp plate, 22, main light lamp bead, 3, light cup piece, 31, cup body, 311, long slot, 32, side edge structure, 321, first connecting edge, 32a, light projecting surface, 322, second connecting edge, 32b, light projecting hole, 4, light guide piece, 41, protrusion, 5, background lamp bead, 6, driving board, 61, substrate, 7, lampshade, 8, side cover.

[0027] The realization, functional characteristics and advantages of the utility model will be further illustrated with reference to the drawings. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0029] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0030] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0031] The utility model provides a kind of projection lamp, it aims at by being equipped with light cup piece in the cavity side wall of first light emitting structure away from installation cavity, so, so that the light emitted by first light emitting structure is all irradiated on the inner side wall of light cup piece, to make the light emitted by first light emitting structure can be all through the inner side wall of light cup piece and reflect light, to ensure that most light is projected, guarantee the high brightness of luminaire, simultaneously, make light type more evenly distributed, avoid the situation of uneven light and shade, improve the overall road paving effect of luminaire.

[0032] Please refer to Figures 1 to 4 In an embodiment of the present application, the projection lamp 100 comprises:

[0033] A heat sink 1, an installation cavity 11 with a light outlet 12 at one end is formed in the heat sink 1;

[0034] A first light emitting structure 2 is installed on the cavity side wall of the installation cavity 11;

[0035] A light cup member 3 is installed in the mounting cavity 11 and located on the side of the first light emitting structure 2 away from the cavity side wall of the mounting cavity 11, and the light emitting direction of the first light emitting structure 2 is arranged towards the light cup member 3.

[0036] In this embodiment, the light projector 100 comprises a heat sink 1, a first light emitting structure 2 and a light cup member 3, the mounting cavity 11 with a light outlet 12 at one end is formed in the heat sink 1, the first light emitting structure 2 is installed on the cavity side wall of the mounting cavity 11, and the light cup member 3 is installed in the mounting cavity 11, and the light cup member 3 is located on the side of the first light emitting structure 2 away from the cavity side wall of the mounting cavity 11, and the light emitting direction of the first light emitting structure 2 is arranged towards the light cup member 3, so that the light emitted by the first light emitting structure 2 is directly irradiated on the light cup member 3, the light is reflected by the light cup member 3, and the light is emitted towards the light outlet 12, so that the light cup member 3 obtains more light, so that the light emitted by the first light emitting structure 2 can be fully reflected by the inner side wall of the light cup member 3 to emit light, thereby making the reflected light reflected to the light outlet 12 more, so as to ensure that the most light is projected out, guaranteeing the high brightness of the lamp, and improving the overall paving effect of the lamp.

[0037] It should be noted that in another embodiment, as shown in Figure 3 and Figure 4 two first light emitting structures 2 can be provided, i.e., each first light emitting structure 2 is installed on the two side walls of the mounting cavity 11, and the light emitted by the two first light emitting structures 2 is directly irradiated on the light cup member 3, and the light is reflected by the light cup member 3, so that by arranging the light cup member on the side of each first light emitting structure 2 away from the cavity side wall of the mounting cavity 11, the light emitted by the two first light emitting structures 2 is fully irradiated on the inner side wall of the light cup member 3, so that the light emitted by the first light emitting structure 2 can be fully reflected by the inner side wall of the light cup member 3 to emit light, thereby ensuring that the most light is projected out, guaranteeing the high brightness of the lamp, and at the same time, making the light type more uniformly distributed, avoiding the situation of uneven light and dark, and improving the overall paving effect of the lamp.

[0038] It should be further noted that the heat sink 1 is an integral die-casting member. That is, heat conduction and heat dissipation can be carried out more quickly, the heat generated by the first light emitting structure 2 is directly conducted to the heat sink 1 through the cavity side wall of the mounting cavity 11, and then dissipated to the outside of the cup body 31, avoiding the situation that the temperature inside the cup body 31 is too high, causing the light efficiency to decrease or the lamp to be damaged. It should be further noted that the back of the heat sink 1 is designed in a fin type, the heat is quickly dissipated to the outside air through the back fins, which can improve the heat dissipation efficiency and avoid the situation that the temperature inside the light projector 100 is too high, causing the light efficiency to decrease or the light projector 100 to be damaged.

[0039] At the same time, the light projecting lamp can be made into different sizes according to the requirements of users, for example, the common sizes are 10 inches to 50 inches, and of course, the light projecting lamp can also be of other sizes, which are not limited in the application.

[0040] In an embodiment, referring to Figures 1 to 4 , the light cup member 3 comprises a cup body 31 and a side structure 32, the side structure 32 is arranged on one side of the cup body 31, the side structure 32 is provided with a light projecting hole 32b on the side away from the cup body 31, the side surface of the side structure 32 facing the light outlet 12 is a light projecting surface 32a, the first light emitting structure 2 is opposite to the light projecting hole 32b, and then the light emitted by the first light emitting structure 2 is directly irradiated on the inner side wall of the light cup member 3 through the light projecting hole 32b, is reflected out of the light cup member 3, and is emitted to the light outlet 12, so as to adjust the light emitting direction of the first light emitting structure 2 through the light cup member 3, to ensure that most of the light is projected out, and to ensure the high brightness of the lamp.

[0041] In the embodiment, the light cup member 3 comprises the cup body 31 and the side structure 32, the side structure 32 is arranged on one side of the cup body 31, and the side structure 32 is provided with the light projecting hole 32b on the side away from the cup body 31, and the side surface of the side structure 32 facing the light outlet 12 is the light projecting surface 32a, therefore, the light emitted by the first light emitting structure 2 is directly irradiated on the light projecting surface 32a of the side structure 32 through the light projecting hole 32b, and is reflected to the light outlet 12 through the light projecting surface 32a, to form the main illumination, and to determine the normal use of the light projecting lamp 100. It should be noted that the light cup member 3 can be an integral molding structure, to ensure the structural strength and stability.

[0042] It should be noted that when the first light emitting structure 2 is provided with two, the side structure 32 is also provided with two, and each first light emitting structure 2 is arranged on one side of each side structure 32, and the light emitted by each first light emitting structure 2 can be irradiated on the light projecting surface 32a through the light projecting hole 32b of each side structure 32.

[0043] In an embodiment, referring to Figures 1 to 4 , the side structure 32 comprises a first connecting edge 321 and a second connecting edge 322, one side of the first connecting edge 321 is connected to the cup body 31, the other side of the first connecting edge 321 is bent and connected to the second connecting edge 322, the side surface of the first connecting edge 321 facing the light outlet 12 is the light projecting surface 32a, and the light projecting hole 32b is arranged on the second connecting edge 322.

[0044] In this embodiment, in order to facilitate the side structure 32 to completely reflect the light emitted by the first light emitting structure 2, the side structure 32 comprises a first connecting edge 321 and a second connecting edge 322, one side of the first connecting edge 321 is connected to the cup body 31, and the other side of the first connecting edge 321 is connected to the second connecting edge 322 in a bending manner, and the first connecting edge 321 is a light projection surface 32a on the side facing the light outlet 12, and a light projection hole 32b is arranged on the second connecting edge 322, and the first light emitting structure 2 is installed on the cavity side wall of the second connecting edge 322 facing the mounting cavity 11, so that the light emitted by the first light emitting structure 2 can smoothly pass through the light projection hole 32b and irradiate on the light projection surface 32a of the first connecting edge 321.

[0045] It should be noted that, as shown in Figure 2 and Figure 4 , the first connecting edge 321 gradually bends at the side close to the cup body 31 and connected to the second connecting edge 322.

[0046] In an embodiment, referring to Figure 4 , the light projection hole 32b is provided in plurality, and the plurality of light projection holes 32b are arranged on the second connecting edge 322, the first light emitting structure 2 comprises a lamp plate 21 and a plurality of main light beads 22, one side of the lamp plate 21 is installed on the cavity side wall of the mounting cavity 11, and a plurality of main light beads 22 are installed on the other side of the lamp plate 21, each main light bead 22 is opposite to each light projection hole 32b, so that the light emitted by each main light bead 22 is irradiated on the light projection surface 32a through each light projection hole 32b.

[0047] In an embodiment, referring to Figure 2 and Figure 4 , the cup body 31 is provided with a long slot 311, and the light projection lamp 100 further comprises a light guide member 4, a plurality of background light beads 5 and a driving plate 6, one side of the driving plate 6 is installed on the cavity bottom wall of the mounting cavity, and a plurality of background light beads 5 are arranged on the other side of the driving plate 6, the driving plate 6 is electrically connected to each main light bead 22 and each background light bead 5, and the plurality of background light beads 5 are opposite to the long slot 311, the light guide member 4 is installed on the long slot 311, for reflecting the light emitted by the background light beads 5 to the light outlet 12, so as to provide uniform background light, to obtain softer light, and to enhance the light effect of the light projection lamp 100.

[0048] In this embodiment, in order to increase the light effect of the light projector 100, the light projector 100 further comprises a light guide 4, a plurality of background lamp beads 5 and a driving board 6, one side of the driving board 6 is mounted on the cavity bottom wall of the mounting cavity 11, and a plurality of the background lamp beads 5 are arranged on the other side of the driving board 6. At the same time, the light projector 100 further comprises the light guide 4, the cup body 31 is provided with a long slot 311, the light guide 4 is mounted on the long slot 311, and the plurality of background lamp beads 5 are opposite to the light guide 4, and then the light emitted by the plurality of background lamp beads 5 is guided out to the light outlet 12 through the light guide 4, the light emitted by the first light emitting structure 2 is guided out through the light guide 4, so that uniform background light can be provided to obtain more soft light.

[0049] It should be noted that the light projection surface 32a is also arranged on the slot side wall of the long slot 311, so that when the background lamp beads 5 emit light, part of the light can be emitted to the light guide 4 through the slot side wall of the long slot 311, and the other part of the light is directly irradiated on the light guide 4, thereby ensuring that all the light emitted by the background lamp beads 5 is guided out to the light outlet 12 through the light guide 4, so that the light effect of the light projector 100 is greatly enhanced.

[0050] In an embodiment, referring to Figure 2 and Figure 4 , the light guide 4 is provided with a plurality of protrusions 41 arranged at intervals on the side face facing the light outlet 12, so as to enhance the background light effect of the light projector 100.

[0051] In this embodiment, the light guide 4 is provided with a plurality of protrusions 41 arranged at intervals on the side face facing the light outlet 12, so that when the light emitted by the background lamp beads 5 irradiates on the light guide 4, different shapes of light effects are irradiated through the plurality of protrusions 41 on the light guide 4. It should be noted that the shape of the protrusion 41 can be square, rectangular, circular, diamond or crystal shape, which will not be described in detail herein.

[0052] In an embodiment, referring to Figure 2 and Figure 4 , the material of the light guide 4 is transparent or translucent, so that the light emitted through the light guide 4 is uniform and soft, and will not be dazzling.

[0053] In an embodiment, referring to Figure 2 and Figure 4 , the driving board 6 comprises a substrate 61 and a control circuit, the substrate 61 is mounted on the cavity bottom wall of the mounting cavity 11, the control circuit is arranged on the substrate 61, the control circuit is electrically connected to each of the main light beads 22 and each of the background lamp beads 5, and a plurality of the background lamp beads 5 are arranged at intervals on the substrate 61.

[0054] In the embodiment, the driving plate 6 comprises a substrate 61 and a control circuit, the control circuit is connected with an external power supply through a power line, and it is to be noted that the control circuit controls each main light bead 22 and each background light bead 5 to emit light, the control circuit is a common structure in the art, and the application does not make a specific description. It is to be further noted that the substrate 61 can be fixedly installed on the cavity bottom wall of the mounting cavity 11 by screws, so that the heat generated by the substrate 61 can be conducted to the outside through the heat sink 1. It is to be noted that a plurality of components are also installed on the substrate 61, and it is to be noted that the substrate 61 is prior art, and the application does not make too much description here. It is to be further noted that by integrating the background light bead 5 and the driving circuit on one substrate 61, the use of the PCB board can be reduced, thereby reducing the production process, saving labor cost and material cost. And the background light bead 5 and the driving circuit are integrated on one substrate 61, so there is no heat transfer between the substrates 61, prolonging the service life of the projection lamp 100.

[0055] In an embodiment, referring to Figures 1 to 4 , the projection lamp 100 further comprises a lampshade 7, the mounting cavity 11 is provided with a clamping groove 13 on the opposite side walls close to the light outlet 12, and the two side edges of the lampshade 7 are clamped into the two clamping grooves 13, respectively. It is to be noted that the lampshade 7 is made of PC material, and can also be made of glass or other materials, and the color can be transparent, amber, etc.

[0056] In an embodiment, referring to Figures 1 to 4 , the projection lamp 100 further comprises two side covers 8, and the two side covers 8 are respectively installed on the two outer side walls of the heat sink 1, so as to ensure the structural stability of the heat sink 1. It is to be noted that one of the side covers 8 is provided with a through hole for facilitating installation of the power line, and the power line of the projection lamp 100 passes through the through hole and is electrically connected with the lamp panel 21 and the substrate 61 to supply power to the projection lamp 100. Meanwhile, a support is installed on each side cover 8, and each support is rotatably connected to each side cover 8, and the projection lamp 100 can be installed at any position through the two supports.

[0057] The above-mentioned is only an exemplary embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A light projector, characterized by comprising: The light-emitting lamp comprises: a heat sink, an installation cavity with a light outlet at one end is formed in the heat sink; a first light-emitting structure, the first light-emitting structure is installed on the cavity side wall of the installation cavity; a light cup member, the light cup member is installed in the installation cavity and located on the side of the first light-emitting structure away from the cavity side wall of the installation cavity, and the light-emitting direction of the first light-emitting structure is arranged towards the light cup member; the light cup member comprises a cup body and a side edge structure, the side edge structure is arranged on one side of the cup body, a light-emitting hole is formed on the side of the side edge structure away from the cup body, the side surface of the side edge structure towards the light outlet is a light-emitting surface, and the first light-emitting structure is opposite to the light-emitting hole.

2. The light projecting lamp of claim 1, wherein the side edge structure comprises a first connecting edge and a second connecting edge, one side of the first connecting edge is connected to the cup body, the other side of the first connecting edge is connected to the second connecting edge in a bent manner, the side surface of the first connecting edge towards the light outlet is a light-emitting surface, and the light-emitting hole is arranged on the second connecting edge.

3. The light projecting lamp of claim 2, wherein, a plurality of light-emitting holes are arranged, the plurality of light-emitting holes are arranged on the second connecting edge at intervals, the first light-emitting structure comprises a lamp plate and a plurality of main light beads, one side of the lamp plate is installed on the cavity side wall of the installation cavity, and a plurality of main light beads are installed on the other side of the lamp plate at intervals, each main light bead is opposite to each light-emitting hole, so that the light emitted by each main light bead is irradiated on the light-emitting surface through each light-emitting hole.

4. The light projecting lamp of claim 3, wherein, the cup body is provided with a long slot, and the light-emitting lamp further comprises a light guide member, a plurality of background light beads and a driving board, one side of the driving board is installed on the cavity bottom wall of the installation cavity, the driving board is electrically connected to each main light bead and each background light bead, a plurality of background light beads are arranged on the other side of the driving board at intervals, the plurality of background light beads are opposite to the long slot, and the light guide member is installed on the long slot to reflect the light emitted by the background light beads to the light outlet.

5. The light projector of claim 4, wherein the light source is a light emitting diode. a plurality of protrusions arranged at intervals are arranged on the side surface of the light guide member towards the light outlet.

6. The light projecting lamp of claim 5, wherein, the material of the light guide member is transparent or translucent.

7. The light projecting lamp of claim 5, wherein the driving board comprises a substrate and a control circuit, the substrate is installed on the cavity bottom wall of the installation cavity, the control circuit is arranged on the substrate, the control circuit is electrically connected to each main light bead and each background light bead, and a plurality of background light beads are arranged on the substrate at intervals.

8. The light projecting lamp of claim 1, wherein the light-emitting lamp further comprises a lampshade, the installation cavity is provided with clamping grooves on the opposite side walls close to the light outlet, and the two side edges of the lampshade are respectively clamped into the two clamping grooves.

9. The light projector of claim 1, wherein the light projector is configured to project the image onto the surface in a manner that is substantially uniform across the surface. the light-emitting lamp further comprises two side covers, and the two side covers are respectively installed on the two outer side walls of the heat sink.

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