Down lamp

Abstract

The down lamp comprises a lamp body, the lamp body is provided with a first light-emitting face and a second light-emitting face, the first light-emitting face is arranged downwards, and the second light-emitting face is arranged around the vertical center line of the lamp body; a control module; the light guide part is arranged in the lamp body; the first circuit board is arranged in the lamp body, is electrically communicated with the control module, is arranged around the vertical center line of the lamp body and is arranged around the light guide piece; the first LED lamp beads are arranged on the first circuit board, the first LED lamp beads are electrically communicated with the first circuit board, the first LED lamp beads emit light towards the light guide part, and light emitted by the first LED lamp beads is guided to the first light emitting face through the light guide part; the second circuit board is arranged in the lamp body, is arranged around the vertical center line of the lamp body, is arranged around the first circuit board and is electrically communicated with the control module; and the second LED lamp beads are arranged on the second circuit board, the second LED lamp beads are electrically communicated with the second circuit board, and the second LED lamp beads emit light towards the second light emitting face. The LED lamp can achieve downward light emitting and lateral light emitting.

Description

Technical Field

[0001] The present application relates to a lamp, and in particular to a downlight. Background Art

[0002] Downlights are a type of lighting fixture that can be embedded in the installation device inside the ceiling. As a concealed lighting fixture, all light is projected downward, which can achieve a better lighting effect. Downlights do not take up space, can increase the soft atmosphere of the space, create a warm indoor environment, and reduce the sense of space oppression. They are widely used in scenes such as homes, hotels, cafes and libraries.

[0003] At present, the downlights on the market generally emit light through the bottom light emitting surface facing downwards, and the light emitting direction is single, which cannot meet the different usage requirements of users. Utility Model Content

[0004] The embodiment of the present application provides a downlight to solve the problems existing in the related art. The technical solution is as follows:

[0005] The embodiment of the present application provides a downlight, comprising:

[0006] A lamp body, wherein the lamp body is provided with a first light emitting surface and a second light emitting surface, wherein the first light emitting surface is located on the bottom of the lamp body and is arranged downward, and the second light emitting surface is located on the outer peripheral wall of the lamp body and is arranged around the vertical center line of the lamp body;

[0007] A control module, the control module is disposed in the lamp body, and the control module is used to be electrically connected to an external power source;

[0008] A light guide, the light guide being arranged in the lamp body;

[0009] a first circuit board, the first circuit board being disposed in the lamp body, the first circuit board being electrically connected to the control module, the first circuit board being disposed around a vertical center line of the lamp body, and the first circuit board being disposed around the light guide;

[0010] a plurality of first LED lamp beads, wherein the first LED lamp beads are arranged on the first circuit board, the first LED lamp beads are electrically connected to the first circuit board, the plurality of first LED lamp beads are arranged in an interval arrangement along the first circuit board, the first LED lamp beads emit light toward the light guide, and the light emitted by the first LED lamp beads is guided to the first light emitting surface by the light guide;

[0011] a second circuit board, the second circuit board being arranged in the lamp body, the second circuit board being arranged around a vertical center line of the lamp body, the second circuit board being arranged around the first circuit board, and the second circuit board being electrically connected to the control module;

[0012] A plurality of second LED lamp beads are arranged on the second circuit board, the second LED lamp beads are electrically connected to the second circuit board, the plurality of second LED lamp beads are arranged in intervals along the second circuit board, and the second LED lamp beads emit light toward the second light-emitting surface.

[0013] In one embodiment, the first LED lamp bead is a monochrome lamp bead.

[0014] In one embodiment, the first LED lamp bead is a dual-color temperature lamp bead or a multi-color temperature lamp bead.

[0015] In one embodiment, the color temperature range of the first LED lamp bead is 2700K-6500K.

[0016] In one embodiment, the second LED lamp bead is an RGB lamp bead.

[0017] In one embodiment, the plurality of the second LED lamp beads are provided with at least two light-emitting segments, the light-emitting segments are provided with a plurality of the second LED lamp beads, and the at least two light-emitting segments are sequentially arranged along the circumference of the lamp body;

[0018] The control module is used to control the color and / or color temperature of the light-emitting segment.

[0019] In one embodiment, the lamp body comprises:

[0020] A base, wherein the base is provided with a transverse annular portion and a vertical annular portion, wherein the vertical annular portion is provided on the top of the transverse annular portion, wherein the inner side wall of the vertical annular portion is connected to the first circuit board, and the outer side wall of the vertical annular portion is connected to the second circuit board;

[0021] A back plate, the back plate is arranged above the base, the back plate covers the base, and the back plate is connected to the vertical annular portion;

[0022] a first diffusion cover, the first diffusion cover is sandwiched between the top surface of the transverse annular portion and the bottom surface of the light guide, the first diffusion cover covers the central hole of the transverse annular portion, and the first diffusion cover is provided with the first light emitting surface;

[0023] The second diffusion cover is sandwiched between the top surface of the transverse annular portion and the bottom surface of the back plate, the second diffusion cover is arranged around the second circuit board, and the second diffusion cover is provided with the second light emitting surface.

[0024] In one embodiment, one of the second diffusion cover and the transverse annular portion is provided with a first annular positioning groove, and the other is provided with a first annular positioning protrusion, and the first annular positioning protrusion cooperates with the first annular positioning groove.

[0025] In one embodiment, the outer peripheral wall of the second diffusion cover has a second annular positioning groove, and the back plate is provided with a second annular positioning protrusion, and the second annular positioning protrusion cooperates with the second annular positioning groove.

[0026] In one embodiment, the base and the back plate are both made of metal, and the first diffusion cover and the second diffusion cover are both made of PC.

[0027] The advantages or beneficial effects of the above technical solution include at least:

[0028] The utility model downlight comprises a lamp body, a control module, a light guide, a first circuit board, a first LED lamp bead, a second circuit board and a second LED lamp bead, wherein the control module is electrically connected to the first circuit board and the second circuit board, the first circuit board is electrically connected to the first LED lamp bead, so that the first LED lamp bead can be electrically connected to the control module and can be controlled by the control module to emit light, and the light emitted by the first LED lamp bead can be guided to a first light emitting surface arranged downward through the light guide, thereby realizing downward light emission, and the second circuit board is electrically connected to the second LED lamp bead, so that the second LED lamp bead can be electrically connected to the control module and can be controlled by the control module to emit light. The light emitted by the first LED lamp bead and the second LED lamp bead is toward the second light-emitting surface arranged around the vertical center line of the lamp body, so that lateral light emission can be achieved. In this way, under the control of the control module, the first LED lamp bead and the second LED lamp bead can emit light independently, and the first LED lamp bead and the second LED lamp bead can emit light at the same time. When the first LED lamp bead emits light independently, the downlight can emit light downward, and when the second LED lamp bead emits light independently, the downlight can emit light sideways. When the first LED lamp bead and the second LED lamp bead emit light at the same time, the downlight can emit light downward and sideways. The light emission directions are more diversified, which can meet the different usage requirements of users.

[0029] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present application will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the multiple drawings represent the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments disclosed in the present application and should not be regarded as limiting the scope of the present application.

[0031] Figure 1 This is a schematic diagram of the three-dimensional structure of the downlight of the utility model in a first viewing angle;

[0032] Figure 2 It is a schematic diagram of the three-dimensional structure of the downlight of the utility model at a second viewing angle;

[0033] Figure 3 It is a cross-sectional view of the downlight of the utility model;

[0034] Figure 4 for Figure 3 A partial enlarged view of point A in the figure.

[0035] Reference numerals

[0036] 1. Lamp body; 11. Base; 111. Horizontal annular portion; 1111. First annular positioning groove; 112. Vertical annular portion; 12. Back plate; 121. Second annular positioning protrusion; 13. First diffusion cover; 14. Second diffusion cover; 141. First annular positioning protrusion; 142. Second annular positioning groove; 2. Control module; 3. Light guide; 4. First circuit board; 5. First LED lamp bead; 6. Second circuit board; 7. Second LED lamp bead; 8. Fasteners; 9. Fireproof and dustproof cotton. DETAILED DESCRIPTION

[0037] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present application. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0038] See also Figure 1-Figure 4 , shows a downlight of a preferred embodiment of the utility model, comprising:

[0039] A lamp body 1, wherein the lamp body 1 is provided with a first light emitting surface and a second light emitting surface, wherein the first light emitting surface is located on the bottom of the lamp body 1 and is arranged downward, and the second light emitting surface is located on the outer peripheral wall of the lamp body 1 and is arranged around the vertical center line of the lamp body 1;

[0040] A control module 2, which is disposed in the lamp body 1 and is used for being electrically connected to an external power source;

[0041] A light guide 3, which is arranged in the lamp body 1;

[0042] A first circuit board 4, the first circuit board 4 is disposed in the lamp body 1, the first circuit board 4 is electrically connected to the control module 2, the first circuit board 4 is disposed around the vertical center line of the lamp body 1, and the first circuit board 4 is disposed around the light guide 3;

[0043] A plurality of first LED lamp beads 5, the first LED lamp beads 5 are arranged on the first circuit board 4, the first LED lamp beads 5 are electrically connected to the first circuit board 4, the plurality of first LED lamp beads 5 are arranged in intervals along the first circuit board 4, the first LED lamp beads 5 emit light toward the light guide 3, and the light emitted by the first LED lamp beads 5 is guided to the first light emitting surface through the light guide 3;

[0044] A second circuit board 6, the second circuit board 6 is arranged in the lamp body 1, the second circuit board 6 is arranged around the vertical center line of the lamp body 1, the second circuit board 6 is arranged around the first circuit board 4, and the second circuit board 6 is electrically connected to the control module 2;

[0045] A plurality of second LED lamp beads 7 are arranged on the second circuit board 6, the second LED lamp beads 7 are electrically connected to the second circuit board 6, the plurality of second LED lamp beads 7 are arranged in intervals along the second circuit board 6, and the second LED lamp beads 7 emit light toward the second light emitting surface.

[0046] The utility model downlight comprises a lamp body 1, a control module 2, a light guide 3, a first circuit board 4, a first LED lamp bead 5, a second circuit board 6 and a second LED lamp bead 7, wherein the control module 2 is electrically connected to the first circuit board 4 and the second circuit board 6, the first circuit board 4 is electrically connected to the first LED lamp bead 5, so that the first LED lamp bead 5 can be electrically connected to the control module 2 and can be controlled by the control module 2 to emit light, and the light emitted by the first LED lamp bead 5 can be guided to the first light emitting surface arranged downward through the light guide 3, so as to realize downward light emission, and the second circuit board 6 is electrically connected to the second LED lamp bead 7, so that the second LED lamp bead 7 can be electrically connected to the control module 2 and can be controlled by the control module 2. Block 2 controls the light emission, and the light emitted by the second LED lamp bead 7 is directed toward the second light emitting surface arranged around the vertical center line of the lamp body 1, so that lateral light emission can be achieved. In this way, under the control of the control module 2, the first LED lamp bead 5 and the second LED lamp bead 7 can be illuminated independently, and the first LED lamp bead 5 and the second LED lamp bead 7 can be illuminated at the same time. When the first LED lamp bead 5 emits light independently, the downlight can be illuminated downward, and when the second LED lamp bead 7 emits light independently, the downlight can be illuminated sideways. When the first LED lamp bead 5 and the second LED lamp bead 7 emit light at the same time, the downlight can be illuminated downward and sideways. The light emission direction is more diversified to meet the different usage requirements of users.

[0047] In one embodiment, the control module 2 includes a control circuit board, which is electrically connected to an external power source, a first circuit board 4 and a second circuit board 6 .

[0048] In one embodiment, the control module 2 may further include a control circuit board and a sensor, the control circuit board is electrically connected to an external power supply, the first circuit board 4 and the second circuit board 6, the sensor is disposed on the control circuit board, and the sensor is electrically connected to the control circuit board.

[0049] In one embodiment, the first LED lamp bead 5 is a monochrome lamp bead, which has high brightness and can meet the brightness requirement when emitting light downward. At the same time, the monochrome lamp bead only needs to drive one color, which can reduce energy consumption.

[0050] In one embodiment, the first LED lamp bead 5 is a dual color temperature lamp bead or a multi-color temperature lamp bead. In this way, under the control of the control module 2, the first LED lamp bead 5 can be switched between two color temperatures or multiple color temperatures, so that the downlight can switch to different color temperatures when emitting light downward, which can make the downlight better adapt to different scene requirements and improve the personalization and practicality of the lighting effect. For example, adjusting the light to a warmer color temperature can create a warm and comfortable atmosphere; adjusting the light to a cooler color temperature can increase alertness, which is suitable for scenes such as reading and working.

[0051] In one embodiment, the color temperature range of the first LED lamp bead 5 is 2700K-6500K, so that the first LED lamp bead 5 can switch between low color temperature, medium color temperature and high color temperature, so that the downlight can better adapt to different scene requirements and improve the personalization and practicality of the lighting effect.

[0052] In one embodiment, the first LED lamp bead 5 is specifically a 2835 lamp bead, and may also be other types of lamp beads as long as they can meet the above-mentioned usage requirements.

[0053] In one embodiment, the second LED lamp bead 7 is an RGB lamp bead. Since the RGB lamp bead has 16 million lighting effects, and the color and brightness of the RGB lamp bead can be controlled by the control module 2, the downlight has RGB lighting effects, and the downlight can emit various dynamic and colorful lights, and the lighting effects are richer and more diverse, which can create different atmospheres in the space to meet different usage needs.

[0054] In one embodiment, the plurality of second LED lamp beads 7 are provided with at least two light-emitting sections, the light-emitting sections are provided with a plurality of second LED lamp beads 7, and the at least two light-emitting sections are sequentially arranged along the circumference of the lamp body 1;

[0055] The control module 2 is used to control the color and / or color temperature of the light-emitting segment. In this way, by controlling each light-emitting segment to present different colors or color temperatures through the control module 2, the downlight can present different colors or color temperatures in segments when emitting light sideways, which can meet the needs of different usage scenarios and is more flexible and convenient to use.

[0056] In one embodiment, the second LED lamp bead 7 is a 5050 lamp bead, or may be other types of lamp beads as long as they can meet the above-mentioned usage requirements.

[0057] See also Figure 3-Figure 4 In one embodiment, the lamp body 1 comprises:

[0058] The base 11 is provided with a transverse annular portion 111 and a vertical annular portion 112. The vertical annular portion 112 is provided on the top of the transverse annular portion 111. The inner side wall of the vertical annular portion 112 is connected to the first circuit board 4, and the outer side wall of the vertical annular portion 112 is connected to the second circuit board 6.

[0059] A back plate 12, which is disposed above the base 11, covers the base 11, and is connected to the vertical annular portion 112;

[0060] A first diffusion cover 13, which is sandwiched between the top surface of the transverse annular portion 111 and the bottom surface of the light guide 3, covers the central hole of the transverse annular portion 111, and has a first light emitting surface;

[0061] The second diffusion cover 14 is sandwiched between the top surface of the transverse annular portion 111 and the bottom surface of the back plate 12. The second diffusion cover 14 is arranged around the second circuit board 6, and the second diffusion cover 14 is provided with a second light emitting surface. Due to the provision of the first diffusion cover 13, the light emitted by the first LED lamp bead 5 can be diffused by the first diffusion cover 13 and then evenly distributed to the surrounding environment, thereby achieving a better lighting effect. In addition, since the first diffusion cover 13 is sandwiched between the top surface of the transverse annular portion 111 and the bottom surface of the light guide 3, the first diffusion cover 13 can be fixed without screws, which can simplify the structure and improve the installation efficiency. Similarly, due to the provision of the second diffusion cover 14, the light emitted by the second LED lamp bead 7 can be diffused by the second diffusion cover 14 and then evenly distributed to the surrounding environment, thereby achieving a better lighting effect. In addition, since the second diffusion cover 14 is sandwiched between the top surface of the transverse annular portion 111 and the bottom surface of the back plate 12, the second diffusion cover 14 can be fixed without screws, which can simplify the structure and improve the installation efficiency.

[0062] See also Figure 4In one embodiment, one of the second diffusion cover 14 and the transverse annular portion 111 is provided with a first annular positioning groove 1111, and the other is provided with a first annular positioning protrusion 141. The first annular positioning protrusion 141 cooperates with the first annular positioning groove 1111 to achieve installation and positioning of the second diffusion cover 14, so that the second diffusion cover 14 can be quickly installed in the correct position, which can improve the installation efficiency. At the same time, it can also increase the connection stability between the second diffusion cover 14 and the base 11, and the structural reliability is higher.

[0063] See also Figure 4 In one embodiment, the outer peripheral wall of the second diffuser cover 14 has a second annular positioning groove 142, and the back plate 12 is provided with a second annular positioning protrusion 121. The second annular positioning protrusion 121 cooperates with the second annular positioning groove 142 to achieve installation and positioning of the back plate 12, so that the back plate 12 can be quickly installed in the correct position, which can improve the installation efficiency. At the same time, it can also increase the connection stability between the back plate 12 and the second diffuser cover 14, and the structural reliability is higher.

[0064] In one embodiment, the base 11 and the back plate 12 are both made of metal material. The base 11 and the back plate 12 made of metal material help to quickly dissipate heat inside the lamp body 1, and the heat dissipation is more efficient, ensuring that the downlight can operate normally. The first diffuser cover 13 and the second diffuser cover 14 are both made of PC material, so that the first diffuser cover 13 and the second diffuser cover 14 have a V0 fire protection grade and higher fire protection performance.

[0065] Specifically, the base 11 and the back plate 12 are both made of aluminum, which has more efficient heat dissipation. In other embodiments, the base 11 and the back plate 12 may also be made of iron.

[0066] In one embodiment, the back plate 12 and the base 11 are further connected together by a fastener 8, so that the back plate 12 and the base 11 are reliably connected together, and the structural reliability is higher.

[0067] In one embodiment, the control module 2 is disposed on the bottom surface of the back plate 12 to improve the space utilization of the bottom surface of the back plate 12. At the same time, the back plate 12 is used to quickly dissipate the heat generated by the control module 2, thereby achieving dispersed heat dissipation and more efficient heat dissipation.

[0068] In one embodiment, a fireproof and dustproof cotton 9 is provided on the top of the back plate 12. The fireproof and dustproof cotton 9 is arranged around the vertical center line of the lamp body 1. The fireproof and dustproof cotton 9 can play a role in fire prevention and dust prevention.

[0069] In one embodiment, the downlight further comprises:

[0070] The power supply is located outside the lamp body 1, and the power supply is provided with a first electrical connection structure. A second electrical connection structure is also provided outside the lamp body 1. One end of the second electrical connection structure is electrically connected to the control module 2, and the other end of the second electrical connection structure is detachably connected to the first electrical connection structure to electrically connect the control module 2 to the power supply.

[0071] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0072] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0073] The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. Downlight, characterized in that, include: A lamp body, wherein the lamp body is provided with a first light emitting surface and a second light emitting surface, wherein the first light emitting surface is located on the bottom of the lamp body and is arranged downward, and the second light emitting surface is located on the outer peripheral wall of the lamp body and is arranged around the vertical center line of the lamp body; A control module, the control module is disposed in the lamp body, and the control module is used to be electrically connected to an external power source; A light guide, the light guide being arranged in the lamp body; a first circuit board, the first circuit board being disposed in the lamp body, the first circuit board being electrically connected to the control module, the first circuit board being disposed around a vertical center line of the lamp body, and the first circuit board being disposed around the light guide; a plurality of first LED lamp beads, wherein the first LED lamp beads are arranged on the first circuit board, the first LED lamp beads are electrically connected to the first circuit board, the plurality of first LED lamp beads are arranged in an interval arrangement along the first circuit board, the first LED lamp beads emit light toward the light guide, and the light emitted by the first LED lamp beads is guided to the first light emitting surface by the light guide; a second circuit board, the second circuit board being arranged in the lamp body, the second circuit board being arranged around a vertical center line of the lamp body, the second circuit board being arranged around the first circuit board, and the second circuit board being electrically connected to the control module; A plurality of second LED lamp beads are arranged on the second circuit board, the second LED lamp beads are electrically connected to the second circuit board, the plurality of second LED lamp beads are arranged in intervals along the second circuit board, and the second LED lamp beads emit light toward the second light-emitting surface.

2. The downlight according to claim 1, characterized in that: The first LED lamp bead is a single-color lamp bead.

3. The downlight according to claim 1, characterized in that: The first LED lamp bead is a dual-color temperature lamp bead or a multi-color temperature lamp bead.

4. The downlight according to claim 3, characterized in that: The color temperature range of the first LED lamp bead is 2700K-6500K.

5. The downlight according to claim 1, characterized in that: The second LED lamp bead is an RGB lamp bead.

6. The downlight according to claim 5, characterized in that: The plurality of the second LED lamp beads are provided with at least two light-emitting segments, the light-emitting segments are provided with the plurality of the second LED lamp beads, and the at least two light-emitting segments are sequentially arranged along the circumference of the lamp body; The control module is used to control the color and / or color temperature of the light-emitting segment.

7. The downlight according to claim 1, characterized in that: The lamp body comprises: A base, wherein the base is provided with a transverse annular portion and a vertical annular portion, wherein the vertical annular portion is provided on the top of the transverse annular portion, wherein the inner side wall of the vertical annular portion is connected to the first circuit board, and the outer side wall of the vertical annular portion is connected to the second circuit board; A back plate, the back plate is arranged above the base, the back plate covers the base, and the back plate is connected to the vertical annular portion; a first diffusion cover, the first diffusion cover is sandwiched between the top surface of the transverse annular portion and the bottom surface of the light guide, the first diffusion cover covers the central hole of the transverse annular portion, and the first diffusion cover is provided with the first light emitting surface; The second diffusion cover is sandwiched between the top surface of the transverse annular portion and the bottom surface of the back plate, the second diffusion cover is arranged around the second circuit board, and the second diffusion cover is provided with the second light emitting surface.

8. The downlight according to claim 7, characterized in that: One of the second diffusion cover and the transverse annular portion is provided with a first annular positioning groove, and the other is provided with a first annular positioning protrusion, and the first annular positioning protrusion cooperates with the first annular positioning groove.

9. The downlight according to claim 7, characterized in that: The outer peripheral wall of the second diffusion cover has a second annular positioning groove, and the back plate is provided with a second annular positioning protrusion, and the second annular positioning protrusion cooperates with the second annular positioning groove.

10. The downlight according to claim 7, characterized in that: The base and the back plate are both made of metal materials, and the first diffusion cover and the second diffusion cover are both made of PC materials.

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