CN103527965A - LED lamp wick capable of emitting light omni-directionally - Google Patents

Abstract

The invention discloses an LED lamp wick that emits light in all directions, comprising 12 regular pentagonal LED units, 20 regular hexagonal LED units and spherical heat sinks; the spherical heat sink includes 12 regular pentagonal heat sinks, 20 A regular hexagonal cooling plate and a cylindrical hollow bracket, wherein each regular pentagonal cooling plate is connected with a regular hexagonal cooling plate through a cylindrical hollow bracket, and each regular hexagonal cooling plate is connected with a regular pentagonal cooling plate respectively. The cooling plates are connected by cylindrical hollow brackets to finally form a spherical structure; multiple LED lamp beads are installed in series on each regular pentagonal LED unit, and multiple LED lamp beads are installed in series on each regular hexagonal LED unit. The LED wick that emits light in all directions in the present invention has the advantage of emitting light in all directions, and solves the problem of one-sided light emission of LEDs. The realization method of the present invention is simple and reliable, can effectively save labor cost, and is easy for large-scale production.

Description

An all-round luminous LED lamp wick

technical field

The invention relates to an LED wick structure, in particular to an LED lamp wick that emits light in all directions, and belongs to the technical field of LED lighting.

technical background

With the continuous development of the LED lighting industry, the application fields of LED lighting are becoming more and more extensive. LED lighting lamps are gradually replacing the existing incandescent lamps and energy-saving lamps and entering the field of ordinary household lighting.

Because people have different preferences to the modeling of lighting fixtures, lamps and lanterns of different shapes arise at the historic moment. Existing LED lighting fixtures are mostly in the shape of bulb lamps, cylindrical lamps, and lamp tubes. However, the aluminum substrates used in the wicks of these shapes are all circular or quadrangular, and the structure of the heat sink is also cylindrical or surface-shaped. However, such a wick structure has the following defects: 1) It cannot completely solve the problem that the LED itself can only emit light from one side, and it will bring lighting blind spots to the lighting occasion; 2) The lighting surface must be installed at a fixed angle, resulting in cumbersome installation engineering; 3. ) Excessive concentration of heat sinks results in poor air circulation and poor heat dissipation; 4) Single shape of heat sinks and aluminum substrates is not conducive to the manufacture of lamps of various shapes.

Contents of the invention

In order to solve the problems existing in the prior art, the present invention provides an all-round luminous LED lamp wick with good heat dissipation effect, convenient installation and changeable shape.

The technical scheme that the present invention takes is as follows:

An all-round luminous LED lamp wick, including 12 regular pentagonal LED units, 20 regular hexagonal LED units and spherical heat sinks; the spherical heat sink includes 12 regular pentagonal heat sinks, 20 regular hexagonal Radiating plates and cylindrical hollow brackets, wherein each regular pentagonal cooling plate is connected to a regular hexagonal cooling plate via a cylindrical hollow bracket, and each regular hexagonal cooling plate is connected to a regular pentagonal cooling plate via a cylinder Shaped hollow brackets are connected to finally form a spherical structure; the cooling plates are connected by cylindrical hollow brackets, and wires connecting different LED units are placed inside the cylindrical hollow brackets; each regular pentagonal LED unit is installed on a spherical heat sink Each regular hexagonal LED unit is mounted on a regular hexagonal heat sink of the spherical heat sink; multiple LED lamp beads are installed in series on each regular pentagonal LED unit, Multiple LED lamp beads are installed in series on each regular hexagonal LED unit; each regular pentagonal LED unit or each regular hexagonal LED unit constitutes an LED unit; each LED unit has a positive connection point and a Negative connection points, the positive connection points of all LED units are connected to the positive output terminal of the driving power supply, and the negative connection points of all LED units are connected to the negative output terminal of the driving power supply.

In order to further achieve the purpose of the present invention, preferably 3-15 LED lamp beads are installed on each LED unit, wherein the positive pole of the first lamp bead is connected to the positive connection point of the LED unit, and the negative pole of the first lamp bead is connected to the positive terminal of the LED unit. Connect to the positive pole of the second lamp bead, connect the negative pole of the second lamp bead to the positive pole of the third lamp bead, connect the negative pole of the third lamp bead to the positive pole of the fourth lamp bead, and so on to the last lamp bead The negative pole of the bead is connected to the positive pole of the penultimate lamp bead, and the negative pole of the last lamp bead is connected to the negative terminal of the LED unit. The number of LED lamp beads on each LED unit is 5.

The LED lamp beads of the regular pentagonal LED unit are welded on the regular pentagonal aluminum substrate, and the electrical connection lines are printed on the regular pentagonal aluminum substrate. The LED lamp beads of the regular hexagonal LED unit are welded on the regular hexagonal aluminum substrate, and the regular hexagonal aluminum substrate is printed with electrical connection lines. The regular pentagonal aluminum base plate or the regular hexagonal aluminum base plate are respectively fixed on the regular pentagonal heat sink plate or the regular hexagonal heat sink plate by screws.

Compared with the prior art, the present invention has the following advantages: the present invention provides an LED lamp wick that emits light in all directions, which has the advantage of emitting light in all directions, and effectively solves the problem that the lamp cannot emit light from all angles due to the single-sided light-emitting characteristic of LEDs . The invention has simple and reliable wiring, can effectively save labor costs, and is easy to form large-scale production.

Description of drawings

Fig. 1 is an embodiment of an LED lamp wick that emits light in all directions according to the present invention;

Fig. 2 is a schematic diagram of the electrical connection between LED units according to the embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a regular pentagonal LED unit according to an embodiment of the present invention, wherein Fig. 3a is a schematic diagram of a regular pentagonal LED aluminum substrate, and Fig. 3b is a schematic structural diagram of a regular pentagonal LED unit;

Fig. 4 is a schematic structural diagram of a regular hexagonal LED unit according to an embodiment of the present invention, wherein Fig. 4a is a schematic diagram of a regular hexagonal LED aluminum substrate, and Fig. 3b is a schematic structural diagram of a regular hexagonal LED unit;

Fig. 5 is a schematic structural view of a spherical heat sink according to an embodiment of the present invention.

Detailed ways

In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in Figures 1, 2, and 5, an LED lamp wick that emits light in all directions, specifically includes 12 regular pentagonal LED units A, 20 regular hexagonal LED units B, and a spherical heat sink C; the spherical heat sink C Including 12 regular pentagonal heat sinks 6, 20 regular hexagonal heat sinks 5 and cylindrical hollow brackets 4, wherein each regular pentagonal heat sink is connected to 5 regular hexagonal heat sinks via cylindrical hollow supports , each regular hexagonal cooling plate is connected with six regular pentagonal cooling plates via cylindrical hollow brackets, and finally forms a spherical structure; the cooling plates are connected by cylindrical hollow brackets 4, and cylindrical hollow brackets 4 are placed inside There are wires connecting different LED units; each regular pentagonal LED unit A is mounted on a regular pentagonal heat sink 6 of a spherical heat sink C, and each regular hexagonal LED unit B is mounted on a spherical heat sink C on a regular hexagonal cooling plate 5; each regular pentagonal LED unit A is equipped with a plurality of LED lamp beads in series, and each regular hexagonal LED unit B is equipped with a plurality of LED lamp beads in series; each regular The pentagonal LED unit A or each regular hexagonal LED unit B constitutes an LED unit; the LED lamp beads between the LED units are connected in parallel, that is, each LED unit has a positive connection point and a negative connection point, The positive connection points of all LED units are connected to the positive output terminals of the driving power supply, and the negative connection points of all LED units are connected to the negative output terminals of the driving power supply.

As shown in Figure 3 and Figure 4, 5 (or any one of 3‐15) LED lamp beads are installed on each LED unit, and the positive pole of the first lamp bead is connected to the positive connection point of the LED unit, and the first The negative pole of one lamp bead is connected to the positive pole of the second lamp bead, the negative pole of the second lamp bead is connected to the positive pole of the third lamp bead, the negative pole of the third lamp bead is connected to the positive pole of the fourth lamp bead, The negative pole of the fourth lamp bead is connected to the positive pole of the fifth lamp bead, and the negative pole of the fifth lamp bead is connected to the negative terminal of the LED unit.

As shown in Figures 3a and 3b, the regular pentagonal LED unit A includes a regular pentagonal aluminum substrate 3 and an LED lamp bead 1, wherein the LED lamp bead 1 is welded on the regular pentagonal aluminum substrate 3, and the regular Electrical connection lines 7 are printed on the pentagonal aluminum substrate 3 .

As shown in Figure 4a and Figure 4b, the regular hexagonal LED unit B includes a regular hexagonal aluminum substrate 2 and LED lamp beads 1, wherein the LED lamp beads 1 are welded on the regular hexagonal aluminum substrate 2, and the regular hexagonal aluminum substrate 2 is printed The electrical connection line 7 is provided.

The regular pentagonal aluminum substrate 3 and the regular hexagonal aluminum substrate 2 are respectively fixed on the regular pentagonal heat dissipation plate 6 and the regular hexagonal heat dissipation plate 5 by screws.

The electrical connection circuit 7 is an electrical connection circuit printed directly on the aluminum substrate, and the electric wires in the cylindrical hollow support 4 are ordinary electric wires. The electrical connection circuit 7 is used to connect the LED lamp beads on the LED unit, and the wires in the cylindrical hollow bracket 4 are used to connect each LED unit.

When the driving power supplies electric energy to the wick of the LED lamp of the present invention, the wick of the LED lamp of the present invention starts to work, that is, emits light. When the present invention works normally, all LED lamp beads emit light; when a certain LED lamp bead is damaged, only the LED unit where it is located cannot work, and the rest of the LED units work normally, ensuring that the wick of the entire LED lamp can still work.

Compared with the prior art, the present invention has the following advantages:

When the invention works, it has the advantages of omnidirectional light emission, no dead angle, and the same brightness in all directions, effectively solving the problem that the LED can only emit light from one side, and no shadow will be generated during operation. The invention is especially suitable for lawn indicator lights, road surface indicator lights and other occasions where light without dead angle is required.

Claims (6)

1. An all-round luminous LED lamp wick, characterized in that: it includes 12 regular pentagonal LED units, 20 regular hexagonal LED units and spherical heat sinks; the spherical heat sink includes 12 regular pentagonal heat sinks , 20 regular hexagonal cooling plates and cylindrical hollow brackets, in which each regular pentagonal cooling plate is connected to a regular hexagonal cooling plate via a cylindrical hollow bracket, and each regular hexagonal cooling plate is connected to a regular five The polygonal cooling plates are connected by cylindrical hollow brackets to finally form a spherical structure; the cooling plates are connected by cylindrical hollow brackets, and the wires connecting different LED units are placed inside the cylindrical hollow brackets; each regular pentagon The LED unit is installed on a regular pentagonal heat sink of the spherical heat sink, and each regular hexagonal LED unit is installed on a regular hexagonal heat sink of the spherical heat sink; each regular pentagonal LED unit is installed in series A plurality of LED lamp beads, a plurality of LED lamp beads are installed in series on each regular hexagonal LED unit; each regular pentagonal LED unit or each regular hexagonal LED unit constitutes an LED unit; each LED unit has One positive connection point and one negative connection point, the positive connection points of all LED units are connected to the positive output terminal of the driving power supply, and the negative connection points of all LED units are connected to the negative output terminal of the driving power supply. 2. The omnidirectional luminous LED lamp wick according to claim 1, characterized in that: 3-15 LED lamp beads are installed on each LED unit, wherein the positive electrode of the first lamp bead is connected with the LED unit. Positive connection point connection, the negative pole of the first lamp bead is connected to the positive pole of the second lamp bead, the negative pole of the second lamp bead is connected to the positive pole of the third lamp bead, the negative pole of the third lamp bead is connected to the positive pole of the fourth lamp bead Connect the positive pole of the lamp bead, so that the negative pole of the last lamp bead is connected to the positive pole of the penultimate lamp bead, and the negative pole of the last lamp bead is connected to the negative terminal of the LED unit. 3. The wick of an LED lamp with omnidirectional light according to claim 2, wherein the number of LED lamp beads on each LED unit is five. 4. The omnidirectional luminous LED lamp wick according to claim 1, characterized in that: the LED beads of the regular pentagonal LED unit are welded on the regular pentagonal aluminum substrate, and the regular pentagonal aluminum substrate Electrical connection lines are printed. 5. The LED lamp wick that emits light in all directions according to claim 1, characterized in that: the LED beads of the regular hexagonal LED unit are welded on the regular hexagonal aluminum substrate, and the regular hexagonal aluminum substrate is printed with electrical connections line. 6. The omnidirectional luminous LED lamp wick according to claim 1, characterized in that: the regular pentagonal aluminum base plate or the regular hexagonal aluminum base plate are respectively fixed on the regular pentagonal heat sink or the regular hexagonal heat sink by screws. heat sink.

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