CN210511122U

CN210511122U - Direct type panel lamp

Info

Publication number: CN210511122U
Application number: CN201921932135.6U
Authority: CN
Inventors: 何小明
Original assignee: Guangdong Lac Smart Lighting Co ltd
Current assignee: Guangdong Lac Smart Lighting Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-05-12
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a direct type panel lamp, which comprises a bottom shell, a diffusion plate covered on the bottom shell, a PCB arranged in the bottom shell, and a lamp bead group arranged on the PCB; the PCB is parallel to the diffusion plate, the lamp bead group is positioned on one side of the PCB facing the diffusion plate, and the lamp bead group comprises RGB lamp beads, first CCT lamp beads capable of emitting cold white light and second CCT lamp beads capable of emitting warm white light; and optical lenses are covered outside the RGB lamp beads, the first CCT lamp beads and the second CCT lamp beads. The event the utility model discloses a straight following formula panel light can control RGB lamp pearl according to the atmosphere needs and send the light of multiple colour to can select to control first CCT lamp pearl as required and send cold color or control second CCT lamp pearl warm colour white light, and can also adjust the luminance of the light that RGB lamp pearl, first CCT lamp pearl or second CCT lamp pearl sent as required, make straight following formula panel light no longer send single light, strengthened luminous functional.

Description

Direct type panel lamp

Technical Field

The utility model relates to an illumination lamps and lanterns technical field especially relates to a straight following formula panel light.

Background

Present LED panel light mainly has two kinds of side income formula and straight following formula, and for side income formula LED panel light, straight following formula panel light has following advantage: 1. the cost is low, and the LED is adopted for direct irradiation, so that a core component light guide plate of a side-entering panel lamp is omitted, and the cost of the lamp is greatly reduced; 2. the lighting effect is high, and the light that LED sent directly shines out through the photodiffusion, and the utilization ratio of light is high relatively. However, the current direct type LED panel lamps also have some disadvantages, such as single light emission, i.e. brightness and color cannot be adjusted. Therefore, the development of a direct type panel lamp capable of adjusting the brightness and color is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Based on this, to foretell problem, the utility model provides a can adjust luminance, can adjust luminous colour's straight following formula panel light again.

In order to achieve the purpose of the utility model, the utility model adopts the following technical proposal:

a direct type panel lamp comprises a bottom shell, a diffusion plate covered on the bottom shell, a PCB arranged in the bottom shell, and a lamp bead group arranged on the PCB; the PCB is parallel to a diffusion plate, the lamp bead group is positioned on one side of the PCB facing the diffusion plate, and comprises RGB lamp beads, a first CCT lamp bead capable of emitting cold white light and a second CCT lamp bead capable of emitting warm white light; and optical lenses are covered outside the RGB lamp beads, the first CCT lamp beads and the second CCT lamp beads.

Foretell straight following formula panel light, through the installation on the PCB board including RGB lamp pearl, can send the first CCT lamp pearl of cold color white light and can send the lamp pearl group of the second CCT lamp pearl of warm color white light, because RGB lamp pearl has R, G, B three kinds of base lamps, so RGB lamp pearl can send ruddiness under the control of PCB board, arbitrary one in three kinds of colour light of green glow and blue light, also can send ruddiness, the green glow, the mixed light that two kinds at least colour light mixture formed in the three kinds of colour light of blue light, and first CCT lamp pearl and second CCT lamp pearl can send cold color white light and warm color white light respectively under the control of PCB board. The event the utility model discloses a straight following formula panel light can send the light of multiple colour according to the atmosphere needs to can select to send cold colour or warm look white light as required, but also can adjust the luminance of the light that RGB lamp pearl, first CCT lamp pearl or second CCT lamp pearl sent as required, make straight following formula panel light no longer send single light, strengthened luminous functional.

In one embodiment, the bottom case is made of a steel material with good heat dissipation.

In one embodiment, the PCB board is an FR4 board.

In one embodiment, the number of the PCB boards is at least two, the PCB boards are in a strip shape, and the PCB boards are sequentially arranged in parallel at intervals along the length direction perpendicular to the PCB boards; each be equipped with two at least lamp pearl groups on the PCB board, lamp pearl group follows the length direction of PCB board sets up at interval in proper order.

In one embodiment, the bottom case has a bottom plate for mounting the PCB, a plurality of inner grooves are formed on an inner side surface of the bottom plate, and the PCB is respectively disposed in the inner grooves.

In one embodiment, the bottom shell is externally provided with outer grooves, the bottom shell is stamped with protrusions extending towards the diffusion plate, the outer grooves are formed on the protrusions, and the inner grooves are formed between the protrusions.

In one embodiment, each of the lamp bead groups includes an RGB lamp bead, a first CCT lamp bead and a second CCT lamp bead, the RGB lamp bead, the first CCT lamp bead and the second CCT lamp bead are distributed in an isosceles triangle, and a distance from the RGB lamp bead to the first CCT lamp bead is equal to a distance from the RGB lamp bead to the second CCT lamp bead.

In one embodiment, the light-emitting angle of the optical lens covering the RGB lamp beads is 168-170 degrees.

In one embodiment, the light emitting angle of the optical lens covering the first CCT lamp bead and the optical lens covering the second CCT lamp bead is 160-170 degrees.

In one embodiment, the PCB is connected with a signal receiver which can be matched with a remote controller through a line.

Drawings

Fig. 1 is an exploded view of a direct type panel lamp according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the area encircled by circle A in FIG. 1;

FIG. 3 is a schematic perspective view of an assembly body composed of the bottom case, the PCB and the lamp bead set in FIG. 1;

fig. 4 is a bottom view of the bottom chassis of fig. 1;

fig. 5 is a top view of the bottom chassis in fig. 1.

In the figure:

10. a bottom case; 11. a base plate; 111. an inner groove; 112. a protrusion; 113. an outer groove; 20. a PCB board; 30. a lamp bead group; 31. RGB lamp beads; 32. a first CCT lamp bead; 33. a second CCT lamp bead; 40. a diffusion plate; 50. an insect-proof net.

Detailed Description

In the description of the present invention, it is to be understood that the terms "length", "width", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships 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 being 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, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 4, a direct type panel lamp according to an embodiment of the present invention includes a bottom case 10, a diffusion plate 40 covering the bottom case 10, a PCB 20 installed in the bottom case 10, and a lamp bead set 30 installed on the PCB 20; the PCB 20 is parallel to the diffusion plate 40, the lamp bead group 30 is positioned on one side of the PCB 20 facing the diffusion plate 40, and the lamp bead group 30 comprises RGB lamp beads 31, first CCT lamp beads 32 capable of emitting cold white light and second CCT lamp beads 33 capable of emitting warm white light; the RGB lamp bead, the first CCT lamp bead 32 and the second CCT lamp bead 33 are all covered with optical lenses, wherein the CCT is an abbreviation of English Correlated color temperature and represents color temperature, and the CCT lamp bead represents a lamp bead capable of adjusting color temperature.

The RGB lamp bead 31 is provided with R, G, B three LED chips, namely a red LED chip, a green LED chip and a blue LED chip; the three LED chips can emit any one of red light, green light and blue light under the control of the PCB 20, and also can emit mixed light formed by mixing at least two of the red light, the green light and the blue light, and the first CCT lamp bead 32 and the second CCT lamp bead 33 can respectively emit cold white light and warm white light under the control of the PCB 20. The event the utility model discloses a straight following formula panel light can send the light of multiple colour according to the atmosphere needs to can select to send cold colour or warm look white light as required, but also can adjust the luminance of the light that RGB lamp pearl 31, first CCT lamp pearl 32 or second CCT lamp pearl 33 sent as required, make straight following formula panel light no longer send single light, strengthened luminous functional.

In the present embodiment, the bottom case 10 is made of a steel material with good heat dissipation. In other embodiments, other materials with good heat dissipation can be used to fabricate the bottom case 10.

As shown in fig. 3, bottom shell 10 has bottom plate 11 of installation PCB board 20, be equipped with inner grove 111 on bottom plate 11's the medial surface, be equipped with a plurality of outer recesses 113 on bottom plate 11's the lateral surface, inner grove 111 and outer recess 113 can increase the area of contact of bottom plate 11 with control, make bottom plate 11's radiating effect reinforcing, help PCB, RGB lamp pearl 31, the heat dissipation of first CCT lamp pearl 32 and second CCT lamp pearl 33, so that PCB board 20, RGB lamp pearl 31 and first CCT lamp pearl 32 and second CCT lamp pearl 33 can work under normal temperature. In the present embodiment, the outer groove 113 is formed on the press-formed protrusion 112, and the protrusion 112 extends toward the diffuser plate. Inner grooves 111 are formed between the protrusions 112.

As shown in fig. 4, the PCB 20 is an FR4 board, the number of the PCB 20 is at least two, and the PCB 20 is a straight strip, the PCB 20 is sequentially arranged in parallel along the direction perpendicular to the length of the PCB at intervals, and the PCB is respectively installed in the inner groove 111. The PCB is mounted in the inner groove 111, which helps to dissipate heat of the PCB and helps to fix the PCB in position. At least two lamp bead groups 30 are arranged on each PCB 20, and the lamp bead groups 30 are sequentially arranged at equal intervals along the length direction of the PCB 20 so that the direct type panel lamp can emit light uniformly. In this embodiment, seven bead groups 30 are disposed on each PCB 20.

In this embodiment, each of the lamp bead groups 30 includes an RGB lamp bead 31, a first CCT lamp bead 32 and a second CCT lamp bead 33, the RGB lamp bead 31, the first CCT lamp bead 32 and the second CCT lamp bead 33 are distributed in an isosceles triangle, and a distance from the RGB lamp bead 31 to the first CCT lamp bead 32 is equal to a distance from the RGB lamp bead 31 to the second CCT lamp bead 33. Through setting up RGB lamp pearl 31 of each lamp pearl group 30, first CCT lamp pearl 32 and second CCT lamp pearl 33 are isosceles triangle and distribute, but not be located same straight line, on the one hand can shorten the length dimension or the width dimension of PCB board 20 as far as possible, make the size of whole straight following formula panel light diminish as far as possible, reach reduce cost's purpose, on the other hand, under the condition that makes the length and the width of PCB board 20 diminish as far as possible, can make the distance between RGB lamp pearl 31, distance between first CCT lamp pearl 32 and the distance between second CCT lamp pearl 33 become smaller, make under the condition that only RGB lamp pearl 31, first CCT lamp pearl 32, one of them lamp pearl of the three lamp pearl of second CCT lamp pearl 33 sends out the light, RGB lamp pearl 31, the luminous energy that first CCT lamp pearl 32 or second CCT lamp pearl 33 sent out is the equipartition in drain pan 10, evenly send out from diffuser plate 40.

In order to further shorten the distance between the bead groups 30 and reduce the size of the direct type panel lamp, in this embodiment, the light emitting angle of the optical lens covering the RGB beads 31 is 168-170 degrees, and the light emitting angle of the optical lens covering the first CCT beads 32 and the light emitting angle of the optical lens covering the second CCT beads 33 are 160-170 degrees.

In the present embodiment, the diffusion plate 40 is made of an acrylic material.

In other embodiments, the PCB board 20 is connected to a signal receiver capable of cooperating with a remote controller through a wire, so that a person can remotely control the lighting color and the lighting brightness of the direct type panel lamp through the remote controller.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A direct type panel lamp is characterized by comprising a bottom shell, a diffusion plate covered on the bottom shell, a PCB (printed circuit board) arranged in the bottom shell, and a lamp bead group arranged on the PCB; the PCB is parallel to the diffusion plate, the lamp bead group is positioned on one side of the PCB facing the diffusion plate and comprises RGB lamp beads, first CCT lamp beads capable of emitting cold white light and second CCT lamp beads capable of emitting warm white light; and optical lenses are covered outside the RGB lamp beads, the first CCT lamp beads and the second CCT lamp beads.

2. The direct type panel lamp according to claim 1, wherein the bottom case is made of a steel material having good heat dissipation.

3. The direct type panel lamp according to claim 1, wherein the PCB board is an FR4 board.

4. The direct type panel lamp according to claim 1, wherein the number of the PCB plates is at least two, and each PCB plate is in a strip shape, and the PCB plates are sequentially arranged in parallel at intervals along a direction perpendicular to the length direction of the PCB plates; each be equipped with two at least lamp pearl groups on the PCB board, lamp pearl group follows the length direction of PCB board sets up at interval in proper order.

5. The direct type panel lamp according to claim 4, wherein the bottom chassis has a bottom plate on which the PCB is mounted, inner grooves are formed on an inner side surface of the bottom plate, and the PCB is disposed in the inner grooves, respectively.

6. The direct type panel lamp according to claim 5, wherein an outer groove is formed outside the bottom chassis, protrusions extending toward the diffuser plate are press-molded on the bottom chassis, the outer groove is formed on the protrusions, and the inner groove is formed between the protrusions.

7. The direct type panel lamp as claimed in claim 4, wherein each of the lamp bead groups comprises an RGB lamp bead, a first CCT lamp bead and a second CCT lamp bead, the RGB lamp bead, the first CCT lamp bead and the second CCT lamp bead are distributed in an isosceles triangle, and the distance from the RGB lamp bead to the first CCT lamp bead is equal to the distance from the RGB lamp bead to the second CCT lamp bead.

8. The direct type panel lamp according to any one of claims 1 to 7, wherein the light emitting angle of the optical lens covering the RGB lamp beads is 168-170 degrees.

9. The direct type panel lamp according to any one of claims 1 to 7, wherein the light emitting angle of the optical lens covering the first CCT lamp bead and the optical lens covering the second CCT lamp bead is 160-170 degrees.

10. The direct type panel lamp according to any one of claims 1 to 7, wherein the PCB board is connected with a signal receiver which can be fitted with a remote controller through a wire.