CN212156685U - LED lamp bead with efficient heat dissipation function - Google Patents

Abstract

The utility model discloses a LED lamp pearl especially relates to a high-efficient radiating LED lamp pearl. The high-efficiency heat-dissipation LED lamp bead comprises a lamp bead seat, a transparent cover and a lamp bead plate, wherein a heat dissipation base is arranged in the lamp bead seat, the upper surface of the heat dissipation base is attached to the bottom surface of the lamp bead plate, insulating plastic is arranged outside the heat dissipation base, a first thread groove and a second thread groove are formed in the insulating plastic, a first threaded connecting strip is embedded in the first thread groove, a second threaded connecting strip is embedded in the second thread groove, the first threaded connecting strip and the second threaded connecting strip are respectively connected with the anode and the cathode of the lamp bead plate, first threads are further arranged on the insulating plastic, and second threads matched with the first threads are arranged on the inner wall of the lamp bead seat. The lamp bead board laminating heat dissipation base can improve the heat-sinking capability of lamp bead board. The heat dissipation base is provided with the cavity and carries out the vortex to the air, can improve the radiating efficiency. The lamp bead seat is connected with the insulating plastic thread, so that the lamp bead can be conveniently detached and installed.

Description

An efficient heat dissipation LED lamp bead

technical field

The utility model belongs to the field of LED lamp beads, in particular to an LED lamp bead with efficient heat dissipation.

Background technique

LED lamp is an energy-saving and environmentally friendly light source. It belongs to the type of cold light source. It has no infrared and ultraviolet rays, and has no ability to radiate heat. This makes the LED lamp generate a lot of heat during operation, and the efficiency of the LED lamp is easily affected by high temperature. The sharp drop will waste electricity and generate more heat, which will further increase the temperature and easily form a vicious circle. In addition to wasting electricity, it will also shorten the life of the LED. Therefore, an LED lamp bead with good heat dissipation performance is required.

Utility model content

The purpose of the present utility model is to provide an LED lamp bead with good heat dissipation performance in view of the above existing technical problems.

The purpose of the present utility model is achieved as follows: an efficient heat dissipation LED lamp bead, including a lamp bead holder, a transparent cover connected with the lamp holder, and a lamp bead plate installed inside the transparent cover and fixed on the lamp bead holder, the lamp The bead seat is provided with a heat dissipation base, the upper surface of the heat dissipation base is attached to the bottom surface of the lamp bead board, the heat dissipation base is provided with insulating plastic, and the insulating plastic is provided with a first thread groove and a second thread groove. A first threaded connection strip is embedded in the threaded groove, and a second threaded connection strip is embedded in the second threaded groove. The first threaded connection strip and the second threaded connection strip are respectively connected to the positive pole and the negative pole of the lamp bead board. There is a first thread that is arranged in the same direction as the first thread groove and the second thread groove, and a second thread matched with the first thread is arranged on the inner wall of the lamp bead holder.

By adopting the above technical solution, the upper surface of the heat dissipation base is attached to the lamp bead plate, so that the heat on the lamp bead plate can be transferred to the heat dissipation base, which helps the lamp bead plate to dissipate heat, and prevents the lamp bead plate from being too stable and affecting its life. . The first threaded groove and the second threaded groove are respectively embedded with a first threaded connection strip and a second threaded connection strip, and the lamp bead holder is connected with the insulating plastic through the cooperation of the first thread and the second thread, so that the lamp bead holder can wrap the first thread The threaded connection strip and the second threaded connection strip ensure the sealing performance and improve the waterproof ability. The first thread is an outer thread, and the second thread is an inner thread, which facilitates the disassembly of the lamp bead holder and the insulating plastic, and facilitates the replacement of the inner lamp bead plate. The first threaded connection strip and the second threaded connection strip are respectively connected to the positive pole and the negative pole of the lamp bead board, and pins are protruded outward for easy wiring.

The utility model is further configured as follows: the bottom of the heat dissipation base is provided with a closed cavity, a plurality of interconnected chambers are arranged in the cavity, and a flow turbulence part is arranged in the chamber.

By adopting the above technical solution, there are three chambers, the three chambers are connected to the center of the bottom of the heat dissipation base, and the angle between the chambers is 120° and extends to the periphery of the base. The spoiler is a protrusion arranged on the side wall of the chamber, which can interfere with the flow direction of the air, make the air fully contact with the inner wall of the chamber, and can take away more heat and ensure the heat dissipation efficiency.

The utility model is further arranged as follows: thermal conductive silica gel is arranged between the heat dissipation base and the lamp bead plate.

By adopting the above technical solution, the upper surface of the heat dissipation base is coated with thermally conductive silica gel, and the bottom of the lamp bead board is fully contacted with the upper surface of the heat dissipation base through the thermally conductive silica gel. The thermal conductivity silica gel has high thermal conductivity and low volume resistivity, which can reduce the contact thermal resistance between the surface of the heat source and the contact surface and transfer the heat of the lamp bead board to the heat dissipation base. Improve heat dissipation.

The utility model is further provided as follows: the lamp bead holder comprises an inner shell and an outer shell, the second thread is placed in the inner shell, the outer shell is provided with a positioning block, and the inner shell is provided with a positioning groove matched with the positioning block.

By adopting the above technical solution, the positioning groove and the positioning block can facilitate the connection and fixation of the inner shell and the outer shell, prevent the disassembly between the inner shell and the outer shell, and prevent the overall disassembly of the lamp bead.

The utility model is further configured as follows: the first thread groove, the first thread and the second thread groove are evenly spaced.

By adopting the above technical solution, since the first thread groove, the first thread and the second thread groove are evenly spaced, when the lamp bead holder is connected with the insulating plastic thread, it is difficult for the first thread and the second thread to connect with each other. A jamming situation occurs, and the first thread groove and the second thread groove can be effectively shielded.

The beneficial effects of the present utility model are:

1. The lamp bead board is attached to the heat dissipation base, which can improve the heat dissipation capacity of the lamp bead plate.

2. The heat dissipation base is provided with a cavity to disturb the air flow, which can improve the heat dissipation efficiency.

3. The lamp bead holder is connected with the insulating plastic thread, which is convenient for the disassembly and installation of the lamp bead.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the structural representation at A place in Fig. 1;

3 is a schematic structural diagram of a heat dissipation base;

The reference signs are: 1, transparent cover; 2, lamp bead seat; 21, inner shell; 211, positioning groove; 22, outer shell; 221, positioning block; 3, lamp bead plate; 31, thermal conductive silica gel; 4, heat dissipation Base; 41, first thread groove; 42, second thread groove; 43, first thread; 44, cavity; 441, chamber; 442, spoiler; 5, insulating plastic; 51, second thread; 6. The first threaded connection strip; 7. The second threaded connection strip; 8. The pin.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention are described clearly and completely below in conjunction with the accompanying drawings:

An efficient heat dissipation LED lamp bead, comprising a lamp bead holder 2, a transparent cover 1 connected with the lamp holder, and a lamp bead plate 3 installed inside the transparent cover 1 and fixed on the lamp bead holder 2, and the lamp bead holder 2 is provided with There is a heat dissipation base 4, the upper surface of the heat dissipation base 4 is attached to the bottom surface of the lamp bead board 3, the heat dissipation base 4 is provided with an insulating plastic 5, and the insulating plastic 5 is provided with a first thread groove 41 and a second thread groove 42. A first threaded connection strip 7 is embedded in the first threaded groove 41, and a second threaded connection strip 8 is embedded in the second threaded groove 42. The first threaded connection strip 7 and the second threaded connection strip 8 are respectively connected to the lamp bead board. The positive and negative electrodes of 3, the insulating plastic 5 is also provided with a first thread 43 arranged in the same direction as the first thread groove 41 and the second thread groove 42, and the inner wall of the lamp bead holder 2 is provided with a first thread 43 to match the second thread 51. The upper surface of the heat dissipation base 4 is attached to the lamp bead plate 3, so that the heat on the lamp bead plate 3 can be transferred to the heat dissipation base 4, helping the lamp bead plate 3 to dissipate heat, preventing the lamp bead plate 3 from being too stable and affecting its life. . The first threaded groove 41 and the second threaded groove 42 are respectively embedded with a first threaded connection strip 7 and a second threaded connection strip 8, and the lamp bead holder 2 is connected to the insulating plastic 5 through the cooperation of the first thread 43 and the second thread 51. The lamp bead holder 2 can wrap the first threaded connection strip 7 and the second threaded connection strip 8 to ensure the sealing performance and improve the waterproof ability. The first thread 43 is an external thread, and the second thread 51 is an internal thread, which facilitates the disassembly of the lamp bead holder 2 and the insulating plastic 5 and the replacement of the inner lamp bead plate 3 . The first threaded connection bar 7 and the second threaded connection bar 8 are respectively connected to the positive electrode and the negative electrode of the lamp bead plate 3 , and pins 8 are protruded outward for easy wiring.

The bottom of the heat dissipation base 4 is provided with a closed cavity 44 , and a plurality of interconnected chambers 441 are provided in the cavity 44 , and a spoiler 442 is provided in the chamber 441 . There are three chambers 441 , the three chambers 441 communicate with the center of the bottom of the heat dissipation base 4 , and the angle between the chambers 441 is 120° and extends to the periphery of the base. The spoiler 442 is a protrusion disposed on the side wall of the chamber 441 , which can interfere with the air flow and make the air fully contact the inner wall of the chamber 441 , which can take away more heat and ensure the heat dissipation efficiency.

A thermally conductive silica gel 31 is provided between the heat dissipation base 4 and the lamp bead plate 3 . The upper surface of the heat dissipation base 4 is coated with thermally conductive silica gel 31 , and the bottom of the lamp bead board 3 is in full contact with the upper surface of the heat dissipation base through the thermally conductive silica gel 31 . The thermal conductive silica gel 31 has high thermal conductivity and low volume resistivity, which can reduce the contact thermal resistance generated between the surface of the heat source and the contact surface and transfer the heat of the lamp bead board 3 to the heat dissipation base 4 . Improve heat dissipation.

The lamp bead holder 2 includes an inner shell 21 and an outer shell 22 , the second thread 51 is placed in the inner shell 21 , the outer shell 22 is provided with a positioning block 221 , and the inner shell 21 is provided with a positioning groove 211 matched with the positioning block 221 . The positioning groove 211 and the positioning block 221 can facilitate the connection and fixation of the inner shell 21 and the outer shell 22, prevent the disassembly between the inner shell 21 and the outer shell 22, and prevent the disassembly of the lamp bead as a whole.

The first thread groove 41 , the first thread 43 and the second thread groove 42 are evenly spaced. Since the first thread groove 41 , the first thread 43 and the second thread groove 42 are evenly spaced, when the lamp bead holder 2 and the insulating plastic 5 are threadedly connected, there is no space between the first thread 43 and the second thread 51 . The case of jamming is less likely to occur, and the first thread groove 41 and the second thread groove 42 can be effectively shielded.

The above-mentioned embodiments are only preferred embodiments of the present invention, rather than all the embodiments. Those of ordinary skill in the art shall, without creative work, obtain other embodiments based on the above-mentioned embodiments. The scope of protection of the present utility model, therefore: all equivalent changes made according to the structure, shape and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims (5)

1. An LED lamp bead with high heat dissipation, comprising a lamp bead holder (2), a transparent cover (1) connected with the lamp bead holder (2), and a transparent cover (1) installed inside the transparent cover (1) and fixed on the lamp bead holder (2) ) on the lamp bead plate (3), characterized in that a heat dissipation base (4) is arranged in the lamp bead holder (2), and the upper surface of the heat dissipation base (4) is in contact with the lamp bead plate ( 3), the bottom surface of the heat dissipation base (4) is provided with insulating plastic (5), and the insulating plastic (5) is provided with a first thread groove (41) and a second thread groove (42), A first threaded connection strip (7) is embedded in the first threaded groove (41), a second threaded connection strip (8) is embedded in the second threaded groove (42), and the first threaded connection strip ( 7) The positive and negative electrodes of the lamp bead plate (3) are respectively connected with the second threaded connecting strip (8), and the insulating plastic (5) is also provided with the first threaded groove (41) and the second threaded groove (41). The threaded grooves (42) are provided with first threads (43) in the same direction, and the inner wall of the lamp bead holder (2) is provided with a second thread (51) matched with the first thread (43). 2. An efficient heat dissipation LED lamp bead according to claim 1, characterized in that a closed cavity (44) is provided at the bottom of the heat dissipation base (4), and the cavity (44) is inside Several interconnected chambers (441) are provided, and a spoiler (442) is provided in the chambers (441). 3 . The LED lamp bead with high heat dissipation according to claim 1 , wherein a thermally conductive silica gel ( 31 ) is arranged between the heat dissipation base ( 4 ) and the lamp bead plate ( 3 ). 4 . 4. The LED lamp bead with efficient heat dissipation according to claim 1, wherein the lamp bead holder (2) comprises an inner shell (21) and an outer shell (22), and the second thread (51) is placed in Inside the inner shell (21), the outer shell (22) is provided with a positioning block (221), and the inner shell (21) is provided with a positioning groove (211) matched with the positioning block (221). 5. The LED lamp bead with high heat dissipation according to claim 1, wherein the first thread groove (41), the first thread (43) and the second thread groove (42) are evenly spaced.

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