Heat dissipation structure of LED lamp bead

Abstract

The utility model belongs to the technical field of LED lamp beads, in particular to a heat dissipation structure of an LED lamp bead, which comprises a substrate and a plurality of lamp holders, the outer wall of each lamp holder is provided with a plurality of mounting holes, a plurality of pins are mounted on the LED lamp bead, the end parts of the pins respectively penetrate through the mounting holes and extend to the outer side, the pins are welded with the lamp holders, and the LED lamp bead is arranged on the substrate. The pins are welded to the bonding pads on the substrate, and the outer walls of the LED lamp beads are fixedly connected with first heat dissipation rings. The first heat dissipation ring and the second heat dissipation ring are used in cooperation, a multi-layer heat dissipation structure is formed, heat generated when the LED lamp beads work can be rapidly conducted to the second heat dissipation ring through the first heat dissipation ring and then diffused into the surrounding environment, the temperature of the LED lamp beads is effectively reduced, the working stability of the LED lamp beads is improved, the service life of the LED lamp beads is prolonged, and a gap is reserved between the LED lamp beads 2 and the lamp holder 1, so that the service life of the LED lamp beads is prolonged. In this way, the heat dissipation effect of the LED lamp beads 2 can be further improved, a driving device does not need to be installed in the design, and therefore the energy consumption and the failure rate of the structure device are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lamp beads, and more specifically, to a heat dissipation structure of an LED lamp bead. Background Art

[0002] An LED lamp bead is the English abbreviation of a light-emitting diode, simply called an LED, which is a common name. Its working principle is that the terminal voltage of the PN junction forms a certain potential barrier. When a forward bias voltage is applied, the potential barrier drops, and the majority carriers in the P region and the N region diffuse towards each other. Since the electron mobility is much larger than the hole mobility, a large number of electrons diffuse towards the P region, constituting the injection of minority carriers into the P region. These electrons recombine with the holes in the valence band, and the energy obtained during recombination is released in the form of light energy. And when these particles work, heat energy is often generated along with the light energy, and LEDs generate more heat than other ordinary lamps.

[0003] In the existing technology, such as the document with the publication number CN221076206U, a heat dissipation structure for installing a new type of LED lamp bead is specifically disclosed. In the device in this document, an air-cooling component is installed in the lower half cavity. When the cold fan rotates, the magnetic ball can be magnetically attracted by the magnetic sheet to guide the swinging ball to swing inside the coolant, making the coolant uniform and improving the heat dissipation speed of the LED lamp bead. However, the air-cooling component in this device needs to be driven by electricity, which increases the energy consumption of the device and also leads to an increase in the failure rate of the device. For this reason, we propose a heat dissipation structure for an LED lamp bead. Summary of the Utility Model

[0004] Based on the above-mentioned technical problem of "the device in the prior art increases the energy consumption of the device and also leads to an increase in the failure rate of the device", the utility model proposes a heat dissipation structure of an LED lamp bead.

[0005] A heat dissipation structure of an LED lamp bead proposed by the utility model includes a substrate and a plurality of lamp holders. A plurality of mounting holes are formed in the outer walls of the lamp holders. A plurality of pins are installed on the LED lamp bead. The end portions of the pins respectively pass through the mounting holes and extend to the outside. The pins are welded to the lamp holders, and the pins are respectively welded to the pads on the substrate.

[0006] A first heat dissipation ring is fixedly connected to the outer walls of the LED lamp beads. A second heat dissipation ring is fixedly connected to the top of the lamp holder. A supporting block is fixedly connected to the top of the lamp holder. The outer circumferential wall of the supporting block is fixedly connected to the inner wall of the second heat dissipation ring. The top of the supporting block abuts against the bottom of the first heat dissipation ring.

[0007] Preferably, a plurality of heat dissipation sleeves are fixedly connected to the outer circumferential wall of the second heat dissipation ring from bottom to top. A plurality of first heat dissipation holes are formed in the outer walls of the heat dissipation sleeves. The bottoms of the heat dissipation sleeves are respectively fixedly connected to the top of the lamp holder.

[0008] Preferably, rubber blocks are fixedly connected to the bottoms of the plurality of lamp holders. Second heat dissipation holes are formed in the bottoms of the rubber blocks, and a plurality of third heat dissipation holes are formed in the outer walls of the rubber blocks. The plurality of third heat dissipation holes are respectively communicated with the second heat dissipation holes.

[0009] Preferably, a telescopic cavity is formed in the inner wall of the second heat dissipation hole.

[0010] Preferably, a connecting ring is fixedly connected to the bottom of the substrate. A bottom plate is fixedly connected to the bottom of the connecting ring. A conical protrusion is formed in a convex manner on the top of the bottom plate. A plurality of support plates are fixedly connected to the circumferential outer wall of the connecting ring. The upper ends of the support plates are respectively fixedly connected to the bottom of the substrate.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. Through the combined use of the first heat dissipation ring and the second heat dissipation ring, a multi-layer heat dissipation structure is formed. The heat generated when the LED lamp beads work can be quickly conducted to the second heat dissipation ring through the first heat dissipation ring, and then diffused into the surrounding environment, effectively reducing the temperature of the LED lamp beads, improving their working stability and lifespan. A gap is left between the LED lamp beads 2 and the lamp holder 1, which can further improve the heat dissipation effect of the LED lamp beads 2. In this design, the installation of a driving device is avoided, thereby reducing the energy consumption and failure rate of the structural device.

[0013] 2. The addition of the heat dissipation sleeve directly increases the overall heat dissipation area, enabling the heat generated by the LED lamp beads to be dispersed over a larger surface, thereby improving the heat dissipation efficiency. The formation of the first heat dissipation holes allows air to circulate freely, forming a convection effect. When the LED lamp beads work, the heat is conducted to the heat dissipation sleeve through the second heat dissipation ring, and then heat exchange is carried out with the outside cold air through the first heat dissipation holes, effectively reducing the temperature of the heat dissipation sleeve and the internal LED lamp beads.

[0014] 3. The design of the second heat dissipation holes and the third heat dissipation holes enables air to circulate freely at the bottom of the lamp holder, promoting the rapid dissipation of heat. Through the mutual cooperation of the second heat dissipation holes and the third heat dissipation holes, a convection heat dissipation channel is formed. At the same time, the heat radiation performance of the rubber material also helps to dissipate heat to the surrounding environment in the form of radiation.

[0015] 4. The conical protrusion formed in a convex manner on the top of the bottom plate helps to guide the air flow and form a local air flow channel. The design of the connecting ring and the support plates provides additional support for the substrate, enhancing the stability and load-bearing capacity of the entire lamp structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 It is a partial structural schematic diagram of the present utility model;

[0018] Figure 3 It is an internal structural schematic diagram of the present utility model;

[0019] Figure 4 For the present utility model Figure 3 An enlarged view of position A in it;

[0020] Figure 5 It is an installation structural schematic diagram of the connecting ring of the present utility model.

[0021] In the figure: 1, lamp holder; 2, LED lamp beads; 3, first heat dissipation ring; 4, second heat dissipation ring; 5, supporting block; 6, heat dissipation sleeve; 7, first heat dissipation hole; 8, pin; 9, rubber block; 10, second heat dissipation hole; 11, third heat dissipation hole; 12, telescopic cavity; 13, mounting hole; 14, substrate; 15, bottom plate; 16, connecting ring; 17, support plate. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, a heat dissipation structure for LED lamp beads includes a substrate 14 and a plurality of lamp holders 1. A plurality of mounting holes 13 are opened on the outer walls of the lamp holders 1. A plurality of pins 8 are installed on the LED lamp beads 2. The end portions of the pins 8 respectively pass through the mounting holes 13 and extend to the outside. The pins 8 are welded to the lamp holders 1, and the pins 8 are respectively welded to the pads on the substrate 14;

[0024] First heat dissipation rings 3 are fixedly connected to the outer walls of the LED lamp beads 2. Second heat dissipation rings 4 are fixedly connected to the tops of the lamp holders 1. Supporting blocks 5 are fixedly connected to the tops of the lamp holders 1. The circumferential outer walls of the supporting blocks 5 are fixedly connected to the inner walls of the second heat dissipation rings 4. The tops of the supporting blocks 5 are in contact with the bottoms of the first heat dissipation rings 3.

[0025] Through the combined use of the first heat dissipation ring 3 and the second heat dissipation ring 4, a multi-layer heat dissipation structure is formed. The heat generated when the LED lamp bead 2 works can be quickly conducted to the second heat dissipation ring 4 through the first heat dissipation ring 3, and then diffused into the surrounding environment, effectively reducing the temperature of the LED lamp bead 2 and improving its working stability and lifespan. There is a gap between the LED lamp bead 2 and the lamp socket 1, which can further improve the heat dissipation effect of the LED lamp bead 2. In this design, the installation of a driving device is avoided, thereby reducing the energy consumption and failure rate of the structural device.

[0026] As Figure 2 and Figure 3 shown, a plurality of heat dissipation sleeves 6 are fixedly connected to the circumferential outer wall of the second heat dissipation ring 4 from bottom to top. A plurality of first heat dissipation holes 7 are formed in the outer walls of the plurality of heat dissipation sleeves 6. The bottoms of the heat dissipation sleeves 6 are respectively fixedly connected to the top of the lamp socket 1. The addition of the heat dissipation sleeves 6 directly increases the overall heat dissipation area, enabling the heat generated by the LED lamp bead 2 to be dispersed over a larger surface, thereby improving the heat dissipation efficiency. The formation of the first heat dissipation holes 7 allows air to circulate freely, creating a convection effect. When the LED lamp bead 2 works, the heat is conducted to the heat dissipation sleeve 6 through the second heat dissipation ring 4, and then heat exchange is carried out with the outside cold air through the first heat dissipation holes 7, effectively reducing the temperature of the heat dissipation sleeve 6 and the internal LED lamp bead 2.

[0027] As Figure 3 shown, rubber blocks 9 are fixedly connected to the bottoms of the plurality of lamp sockets 1. Second heat dissipation holes 10 are formed in the bottoms of the rubber blocks 9, and a plurality of third heat dissipation holes 11 are formed in the outer walls of the rubber blocks 9. The plurality of third heat dissipation holes 11 are respectively connected and communicated with the second heat dissipation holes 10.

[0028] The design of the second heat dissipation holes 10 and the third heat dissipation holes 11 enables air to circulate freely at the bottom of the lamp socket 1, promoting the rapid dissipation of heat. Through the mutual cooperation of the second heat dissipation holes 10 and the third heat dissipation holes 11, a convection heat dissipation channel is formed. At the same time, the heat radiation performance of the rubber material also helps to dissipate heat in the form of radiation into the surrounding environment.

[0029] As Figure 3 shown, a telescopic cavity 12 is formed in the inner wall of the second heat dissipation hole 10. By providing the telescopic cavity 12, the buffering force of the rubber block 9 can be improved, making the installation of the lamp socket 1 more stable.

[0030] As Figure 5As shown in the figure, a connecting ring 16 is fixedly connected to the bottom of the substrate 14, a bottom plate 15 is fixedly connected to the bottom of the connecting ring 16, a conical protrusion is formed by the upward convexity of the top of the bottom plate 15, a plurality of support plates 17 are fixedly connected to the circumferential outer wall of the connecting ring 16, and the upper ends of the support plates 17 are respectively fixedly connected to the bottom of the substrate 14. The conical protrusion formed by the upward convexity of the top of the bottom plate 15 helps to guide the air flow and form a local air flow channel. The design of the connecting ring 16 and the support plates 17 provides additional support for the substrate 14 and enhances the stability and load-bearing capacity of the entire lamp structure.

[0031] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A heat dissipation structure for an LED lamp bead, comprising a substrate (14) and a plurality of lamp holders (1), characterized in that: A plurality of mounting holes (13) are formed in the outer wall of the lamp socket (1). A plurality of pins (8) are mounted on the LED lamp beads (2). The end portions of the pins (8) respectively pass through the mounting holes (13) and extend to the outside. The pins (8) are welded to the lamp socket (1), and the pins (8) are respectively welded to the pads on the substrate (14). A first heat dissipation ring (3) is fixedly connected to the outer wall of each of the LED lamp beads (2). A second heat dissipation ring (4) is fixedly connected to the top of the lamp socket (1). A support block (5) is fixedly connected to the top of the lamp socket (1). The circumferential outer wall of the support block (5) is fixedly connected to the inner wall of the second heat dissipation ring (4). The top of the support block (5) abuts against the bottom of the first heat dissipation ring (3).

2. The heat dissipation structure of the LED lamp bead according to claim 1, characterized in that: A plurality of heat dissipation sleeves (6) are fixedly connected to the circumferential outer wall of the second heat dissipation ring (4) from bottom to top. A plurality of first heat dissipation holes (7) are formed in the outer walls of the plurality of heat dissipation sleeves (6). The bottoms of the heat dissipation sleeves (6) are respectively fixedly connected to the top of the lamp socket (1).

3. The heat dissipation structure of the LED lamp bead according to claim 2, characterized in that: Rubber blocks (9) are fixedly connected to the bottoms of the plurality of lamp sockets (1). Second heat dissipation holes (10) are formed in the bottoms of the rubber blocks (9). A plurality of third heat dissipation holes (11) are formed in the outer walls of the rubber blocks (9). The plurality of third heat dissipation holes (11) are respectively communicated with the second heat dissipation holes (10).

4. The heat dissipation structure of the LED lamp bead according to claim 3, wherein: A telescopic cavity (12) is formed in the inner wall of the second heat dissipation hole (10).

5. The heat dissipation structure of the LED lamp bead according to claim 4, characterized in that: A connection ring (16) is fixedly connected to the bottom of the substrate (14). A bottom plate (15) is fixedly connected to the bottom of the connection ring (16). A conical protrusion is formed by convexity on the top of the bottom plate (15). A plurality of support plates (17) are fixedly connected to the circumferential outer wall of the connection ring (16). The upper ends of the support plates (17) are respectively fixedly connected to the bottom of the substrate (14).

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