360-degree light-emitting LED lamp bead

Abstract

The present invention discloses a 360-degree light-emitting LED lamp bead, which relates to the field of lighting technology; it includes a base for connecting with a lamp socket, a lamp shade located on the base, a substrate and a driver located inside the lamp shade, a light-emitting chip located on the substrate, and a conductive pin located on the base; one end of the conductive pin is connected to the light-emitting chip, and the other end is bent into a U shape after being bent. The beneficial effects of the present invention are: the conductive pin has good heat dissipation performance; it is convenient for installation and disassembly; and it has good dust-proof performance.

Description

Technical Field

[0001] The present invention belongs to the technical field of lighting, and particularly relates to a 360-degree light-emitting LED lamp bead. Background Art

[0002] LED lamp beads are widely used in the lighting field and have many advantages.

[0003] For high-power lamp beads, the pin temperature is high after long-term use, posing a safety hazard.

[0004] Chinese Patent Application No.: CN201811590040.0; discloses an efficient and durable LED lamp bead, including an electrostatic removal device, a chip positive electrode, a voltage stabilizer, a chip, a heat sink, an LED lamp bead positive electrode, a light-transmitting cover, an LED lamp bead, an LED lamp bead negative electrode, a chip negative electrode, a circuit board, an LED protection chip, and an LED lamp bead body. The light-transmitting cover is arranged on the top of the LED lamp bead body, the electrostatic removal device is arranged on the surface of the circuit board, the LED lamp bead is arranged inside the light-transmitting cover, the LED lamp bead positive electrode is arranged on the left side of the LED lamp bead, the LED lamp bead negative electrode is arranged on the right side of the LED lamp bead, the voltage stabilizer is arranged on the left side of the LED lamp bead positive electrode, the chip positive electrode is arranged below the LED lamp bead positive electrode, the chip negative electrode is arranged below the LED lamp bead negative electrode, the chip is arranged below the LED lamp bead, the LED protection chip is arranged below the chip, and the heat sink is arranged below the LED protection chip. This LED lamp bead has a simple structure, is easy to use, has a low cost, and is safe and efficient. Although this patent has many advantages, the heat dissipation of the pins is still poor. Summary of the Invention

[0005] The purpose of the present invention is to overcome the above-mentioned disadvantages of the prior art and propose a 360-degree light-emitting LED lamp bead with good heat dissipation performance of the pins.

[0006] To achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A 360-degree light-emitting LED lamp bead, including a light-emitting chip, a base for connecting to a lamp socket, a conductive pin located on the base, a lamp cover located on the base, a packaging substrate located inside the lamp cover, and an independent driver located inside the packaging substrate; the packaging substrate includes a 360-degree light-emitting substrate and an enclosing board connected to the bottom surface of the 360-degree light-emitting substrate to enclose the packaging substrate into a closed structure; the light-emitting chip is assembled with the 360-degree light-emitting substrate by COB or DOB method; one end of the conductive pin is connected to the packaging substrate, and the other end is bent into a U shape.

[0008] Preferably, the lamp base includes a panel, a socket located on the panel, a socket sleeve through which the base is inserted, a plate electrode located inside the socket sleeve for connecting with the conductive pin, a first fixing mechanism for fixing the base inside the socket sleeve, and a second fixing mechanism for fixing the socket sleeve inside the socket; the base includes a bottom plate and a plug that is fixedly connected to the side of the bottom plate away from the lamp shade and is inserted into the socket sleeve by hand; when the base is connected to the lamp base, the end of the socket sleeve fits against the bottom plate.

[0009] Preferably, the socket sleeve includes a sealing ring for improving its sealing performance with the bottom plate.

[0010] Preferably, a guide sleeve is fixedly connected to one side of the socket, the socket sleeve is slidably connected inside the guide sleeve, a first biasing spring for applying a force towards the bottom plate to the socket sleeve is provided inside the guide sleeve, and a second biasing spring for pressing the plate electrode against the conductive pin is provided inside the socket sleeve; the first fixing mechanism includes two clamping plates for clamping the plug and expansion rods located on opposite sides of the socket sleeve; the expansion rods pass through the wall of the socket sleeve and are slidably connected to the socket sleeve; the expansion rod includes a fixed rod with one end connected to the clamping plate, a clamping rod located on the side of the fixed rod away from the clamping plate, and a buffer spring located between the fixed rod and the clamping rod; the second fixing mechanism includes a slot on the inner wall of the socket for cooperating with the end of the clamping rod; the end of the clamping rod is provided with a first inclined surface that drives the clamping rod to move towards the fixed rod under the action of the edge of the socket when the socket sleeve moves towards the inside of the guide sleeve, and the end of the clamping rod is provided with a second inclined surface that drives the clamping rod to move towards the fixed rod under the action of the edge of the slot when the socket sleeve rotates.

[0011] Preferably, the plug is provided with a protrusion, and the clamping plate is provided with a groove for cooperating with the protrusion.

[0012] Preferably, the socket sleeve is provided with heat dissipation holes, and the guide sleeve is provided with holes corresponding to the heat dissipation holes.

[0013] Preferably, the material of the guide sleeve is stainless steel.

[0014] Preferably, the bottom plate is provided with an embedding groove, and the end of the lamp shade is inserted into the embedding groove.

[0015] Preferably, the shape of the lamp shade is cylindrical.

[0016] Preferably, the plate electrode is provided with a slot for inserting the conductive pin.

[0017] Preferably, the material of the lamp shade is glass.

[0018] The beneficial effects of the present invention are as follows: It can achieve no stroboscopic for both dimming and non-dimming, and can be realized in the COB and DOB forms of structures. It can achieve all-glass encapsulation and ceramic structure. The conductive pin has good heat dissipation performance; it is convenient for installation and disassembly; and it has good dust-proof performance. Description of the Drawings

[0019] Figure 1 is a schematic diagram of an embodiment;

[0020] Figure 2 is a sectional view of an embodiment;

[0021] Figure 3 is a sectional view of the lamp holder;

[0022] Figure 4 is a schematic diagram of the COB form adopted in this embodiment;

[0023] Figure 5 is a schematic diagram of another COB form adopted in this embodiment;

[0024] Figure 6 is a schematic diagram after installation;

[0025] Figure 7 is Figure 6 sectional view A-A of;

[0026] In the figure: base 1, lamp shade 2, independent driver 4, conductive pin 5, panel 6, socket 8, electrode plate 9, bottom plate 10, plug 11, sealing ring 12, guide sleeve 13, first biasing spring 14, second biasing spring 15, clamping plate 16, fixing rod 17, clamping rod 18, buffer spring 19, clamping groove 20, first inclined surface 21, second inclined surface 22, protrusion 23, limit post 24, 360-degree light-emitting substrate 25, enclosing plate 26. Specific Embodiment

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0028] Embodiment 1:

[0029] Refer to Figures 1 to 4 , a 360-degree light-emitting LED lamp bead, comprising a light-emitting chip, a base for connecting to a lamp holder, a conductive pin located on the base, a lamp shade located on the base, a packaging substrate located inside the lamp shade, and an independent driver located inside the packaging substrate;

[0030] The packaging substrate includes a 360-degree light-emitting substrate and an enclosing plate 26 connected to the bottom surface of the 360-degree light-emitting substrate to enclose the packaging substrate into a closed structure;

[0031] The light-emitting chip is assembled with the 360-degree light-emitting substrate by the COB or DOB method;

[0032] One end of the conductive pin is connected to the packaging substrate, and the other end is bent into a U shape.

[0033] Effect of this embodiment:

[0034] The end of the conductive pin 5 is U-shaped, greatly increasing the heat dissipation performance. There is no stroboscopic effect for both dimming and non-dimming, and both COB and DOB structures can be achieved. Full glass encapsulation and ceramic structure can be realized.

[0035] Embodiment 2:

[0036] See Figures 5 to 7 , on the basis of Embodiment 1, the lamp socket includes a panel 6, a socket on the panel 6, a socket sleeve 8 through which the base 1 is inserted, a plate 9 located inside the socket sleeve 8 for connecting with the conductive pin 5, a first fixing mechanism for fixing the base 1 inside the socket sleeve 8, and a second fixing mechanism for fixing the socket sleeve 8 inside the socket;

[0037] The base 1 includes a bottom plate 10 and a plug 11 fixedly connected to the side of the bottom plate 10 away from the lamp shade 2 for manually inserting into the socket sleeve 8;

[0038] When the base 1 is connected to the lamp socket, the end of the socket sleeve 8 fits against the bottom plate 10.

[0039] The socket sleeve 8 includes a sealing ring 12 for improving its sealing performance with the bottom plate 10.

[0040] A guide sleeve 13 is fixedly connected to one side of the socket. The socket sleeve 8 is slidably connected inside the guide sleeve 13. A first biasing spring 14 for applying a force towards the bottom plate 10 to the socket sleeve 8 is provided inside the guide sleeve 13. A second biasing spring 15 for pressing the plate 9 against the conductive pin 5 is provided inside the socket sleeve 8;

[0041] The first fixing mechanism includes two clamping plates 16 for clamping the plug 11 and telescopic rods located on opposite sides of the socket sleeve 8;

[0042] The telescopic rod passes through the wall of the socket sleeve 8 and is slidably connected to the socket sleeve 8;

[0043] The telescopic rod includes a fixed rod 17 with one end connected to the clamping plate 16, a clamping rod 18 located on the side of the fixed rod 17 away from the clamping plate 16, and a buffer spring 19 located between the fixed rod 17 and the clamping rod 18;

[0044] The second fixing mechanism includes a clamping groove 20 on the inner wall of the socket for cooperating with the end of the clamping rod 18;

[0045] The end of the clamping rod 18 is provided with a first inclined surface 21 for driving the clamping rod 18 to move towards the fixed rod 17 under the action of the edge of the socket when the socket sleeve 8 moves into the guide sleeve 13, and the end of the clamping rod 18 is provided with a second inclined surface 22 for driving the clamping rod 18 to move towards the fixed rod 17 under the action of the edge of the clamping groove 20 when the socket sleeve 8 rotates.

[0046] The plug 11 is provided with a protrusion 23, and the clamping plate 16 is provided with a groove for cooperating with the protrusion 23.

[0047] The socket 8 is provided with heat dissipation holes, and the guide sleeve 13 is provided with holes corresponding to the heat dissipation holes.

[0048] The material of the guide sleeve 13 is stainless steel.

[0049] The bottom plate is provided with an embedding groove, and the end of the lamp shade is inserted into the embedding groove.

[0050] The shape of the lamp shade is cylindrical.

[0051] The electrode plate is provided with a slot for inserting the conductive pin. The material of the lamp shade is glass.

[0052] Principle of the embodiment:

[0053] When the lamp holder is in the initial state, refer to Figure 5 , the holes and the heat dissipation holes are staggered, and the distance between the two clamping plates 16 is greater than the thickness of the plug 11;

[0054] During installation, the plug 11 is inserted into the socket 8, the plug 11 is located between the clamping plates 16, and when inserted further, the conductive pin 5 is inserted into the slot on the electrode plate 9. When inserted further, the second biasing spring 15 is shortened, and the electrode plate 9 slides within the socket 8. A limiting post 24 is provided inside the guide sleeve 13. When the electrode plate 9 abuts against the limiting post 24, the electrode plate 9 stops sliding. When inserted further, the socket 8 moves along the guide sleeve 13. Under the action of the first inclined surface 21, the clamping rod 18 moves towards the fixed rod 17, and the clamping plate 16 clamps the plug 11. When the clamping rod 18 moves to the card slot 20, under the action of the buffer spring 19, the clamping rod 18 is embedded into the card slot 20. At this time, the sealing ring 12 fits on the bottom plate 10 to prevent dust and rainwater from entering the panel 6. In addition, the holes and the heat dissipation holes correspond to each other to increase the heat dissipation performance. Refer to Figure 6 ;

[0055] When disassembly is required, rotate the socket 8. Under the action of the second inclined surface 22, the clamping rod 18 is disengaged from the card slot 20, and then the lamp bead can be pulled out.

Claims

1. A 360-degree light-emitting LED lamp bead, characterized in that, It includes a light-emitting chip, a base for connecting to a lamp socket, conductive pins located on the base, a lampshade located on the base, a packaging substrate located inside the lampshade, and an independent driver located inside the packaging substrate; The packaging substrate includes a 360-degree light-emitting substrate and an enclosing plate connected to the end face of the 360-degree light-emitting substrate to enclose the packaging substrate into a closed structure; The light-emitting chip is assembled with the 360-degree light-emitting substrate by the COB or DOB method; One end of the conductive pin is connected to the packaging substrate, and the other end is bent into a U shape; The lamp socket includes a first fixing mechanism and a second fixing mechanism; The first fixing mechanism includes two clamping plates for clamping the plug and telescopic rods located on opposite sides of the socket; The telescopic rod passes through the wall of the socket and is slidably connected to the socket; The telescopic rod includes a fixed rod with one end connected to the clamping plate, a clamping rod located on the side of the fixed rod away from the clamping plate, and a buffer spring located between the fixed rod and the clamping rod; The second fixing mechanism includes a slot located on the inner wall of the socket for cooperating with the end of the clamping rod; A guide sleeve is fixedly connected to one side of the socket, the socket is slidably connected inside the guide sleeve, a first biasing spring for applying a force towards the bottom plate to the socket is provided inside the guide sleeve, and a second biasing spring for pressing the electrode plate against the conductive pin is provided inside the socket; The plug is inserted into the socket, the plug is located between the clamping plates, and when inserted further, the conductive pin is inserted into the slot on the electrode plate. When inserted further, the second biasing spring shortens, the electrode plate slides inside the socket, and a limit post is provided inside the guide sleeve. When the electrode plate abuts against the limit post, the electrode plate stops sliding; When the clamping rod moves to the slot, the clamping rod is embedded in the slot under the action of the buffer spring, and the sealing ring fits on the bottom plate.

2. The 360-degree light-emitting LED lamp bead according to claim 1, characterized in that, The lamp socket includes a panel, a socket located on the panel, a socket for the base to be inserted through the socket, an electrode plate located inside the socket for connecting to the conductive pin, a first fixing mechanism for fixing the base inside the socket, and a second fixing mechanism for fixing the socket inside the socket; The base includes a bottom plate and a plug fixedly connected to the side of the bottom plate away from the lampshade for manually inserting into the socket; When the base is connected to the lamp socket, the end of the socket fits on the bottom plate.

3. The 360-degree light-emitting LED lamp bead according to claim 2, characterized in that, The socket includes a sealing ring for improving the sealing performance between it and the bottom plate.

4. The 360-degree light-emitting LED lamp bead according to claim 3, characterized in that, The end of the clamping rod is provided with a first inclined surface for driving the clamping rod to move towards the fixed rod under the action of the edge of the socket when the socket moves into the guide sleeve, and the end of the clamping rod is provided with a second inclined surface for driving the clamping rod to move towards the fixed rod under the action of the edge of the slot when the socket rotates.

5. The 360-degree light-emitting LED lamp bead according to claim 4, characterized in that, The plug is provided with a protrusion, and the clamping plate is provided with a groove for cooperating with the protrusion.

6. The 360-degree light-emitting LED lamp bead according to claim 4, characterized in that, The socket is provided with heat dissipation holes, and the guide sleeve is provided with holes corresponding to the heat dissipation holes.

7. The 360-degree light-emitting LED lamp bead according to claim 4, characterized in that, The material of the guide sleeve is stainless steel.

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