Novel LED lamp waterproof structure and lamp string thereof

Abstract

This utility model discloses a novel waterproof structure for LED lights and its string, including an LED bead body. The LED bead body includes a gel layer, a lead assembly, and an LED chip. The LED chip cooperates with the lead assembly. The gel layer completely covers the LED chip and part of the lead assembly. The lower end of the lead assembly is used for conductive connection with a wire. A heat-shrinkable protective sleeve is attached to the lower outer surface of the sidewall of the gel layer. The heat-shrinkable protective sleeve extends downward. The portion of the lead assembly located outside the gel layer is accommodated in the inner cavity of the heat-shrinkable protective sleeve. The inner cavity of the heat-shrinkable protective sleeve is filled with a sealing gel, which completely covers the lead assembly. This utility model has a simple structure and sets up a multi-level waterproof and protective structure, including a gel layer, a sealing gel, and a heat-shrinkable protective sleeve. It can protect the LED beads and leads of the string, providing good sealing performance, fixing the position of the LED beads and leads, preventing displacement, and is suitable for rainy and dusty environments, with high safety and practicality.

Description

Technical Field

[0001] This utility model belongs to the field of LED light string technology, specifically relating to a novel waterproof LED light structure and its light string. Background Technology

[0002] LED string lights are common decorative items in public places such as night markets and large shopping malls, used to provide illumination for people at night. Compared to traditional lighting fixtures, LED string lights can be wrapped around objects, making them more suitable for outdoor environments. Therefore, LED string lights need to have a good waterproof and dustproof structure. In addition, whether or not they have a protective structure for the LED beads is also an important factor affecting whether the LED lights can function properly.

[0003] For example, CN201034273 discloses an LED light string with a safety device. An LED light string includes a plug, wires, and LED bulbs, and also includes a safety device connected in series with the LED bulbs. The safety device includes a thermal fuse and a heating resistor; the thermal fuse and the heating resistor are connected in series; the thermal fuse and the heating resistor are bonded together to transfer temperature; the thermal fuse and the heating resistor are encapsulated in a housing; two terminal pieces are fixedly disposed inside the housing; the fuse and the heating resistor, connected in series, have two leads, which are respectively connected to the two terminal pieces, and the two terminal pieces are respectively connected to the wires to form a circuit; the housing is an assembled housing. However, the above-mentioned LED light string lacks a protective device, the leads of the light string are prone to bending, and in rainy conditions, the LED beads and leads are easily exposed to water. The lack of a protective structure for the LED beads can easily affect the normal use of the LED light string. Utility Model Content

[0004] To address the aforementioned issues, this utility model aims to provide a novel waterproof LED light structure and its string. The structure is simple, featuring multi-level waterproof and protective structures that protect the LED beads and pins of the string. It is suitable for rainy and dusty environments, offering high safety and practicality.

[0005] The technical problem solved by this utility model can be achieved by the following technical solution: A novel waterproof LED lamp structure includes a lamp bead body, the lamp bead body includes a colloid layer, a pin assembly and an LED chip, the LED chip and the pin assembly cooperate, the colloid layer completely covers the LED chip and part of the pin assembly, the lower end of the pin assembly is used for conductive connection with a wire, a heat-shrinkable protective sleeve is attached to the lower outer surface of the side wall of the colloid layer, the heat-shrinkable protective sleeve extends downward, the part of the pin assembly located outside the colloid layer is accommodated in the inner cavity of the heat-shrinkable protective sleeve, the inner cavity of the heat-shrinkable protective sleeve is filled with a sealing colloid, and the sealing colloid completely covers the pin assembly.

[0006] A lampshade is also provided on the outside of the colloidal layer, and the lampshade completely covers the outside of the colloidal layer.

[0007] The colloid layer and the lampshade are made of the same material, and both the colloid layer and the lampshade are made of light-transmitting material.

[0008] The lower end of the heat-shrinkable protective sleeve extends beyond the lower end of the sealing compound, ensuring a complete seal between the heat-shrinkable protective sleeve and the sealing compound.

[0009] The lampshade body and the colloid layer are either molded separately or as a single piece.

[0010] It also includes a pin insulation isolation frame, the pin assembly includes a positive pin and a negative pin, and the pin insulation isolation frame is provided with a first pin slot and a second pin slot.

[0011] An LED chip is provided on the upper part of the positive pin and / or negative pin, and a lead is connected between the positive pin and the negative pin.

[0012] The lower end of the positive electrode pin is electrically connected to the positive electrode wire, and the lower end of the negative electrode pin is electrically connected to the negative electrode wire. The sealing colloid also partially covers the positive electrode wire and the negative electrode wire.

[0013] The LED chip is a surface-mount LED chip, and the pin assembly consists of a positive wire and a negative wire, which are used to conduct electricity with the surface-mount LED chip.

[0014] A light string employing a novel waterproof LED light structure includes the aforementioned novel waterproof LED light structure.

[0015] Compared with the prior art, this utility model has the following advantages: This utility model has a simple structure and is equipped with a multi-level waterproof and protective structure, including a colloid layer, a sealing colloid and a heat-shrinkable protective sleeve, which can protect the LED beads and pins of the light string, has good sealing performance, can fix the position of the LED beads and pins to prevent displacement, and is suitable for rainy days, dusty and other environments, with high safety and practicality. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure of this utility model. Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the LED chip body;

[0019] Figure 4 This is a cross-sectional view of the present invention;

[0020] Figure 5 This is a schematic diagram of the structure of this utility model. Figure 3 ;

[0021] Figure 6 This is a schematic diagram of the structure of the light string. Figure 1 ;

[0022] Figure 7 This is a schematic diagram of the structure of the light string. Figure 2 .

[0023] In the diagram: 1-colloidal layer, 2-pin assembly, 21-positive pin, 22-negative pin, 3-pin insulating shield, 31-first pin slot, 32-second pin slot, 4-sealing colloid, 5-lamp cover, 6-heat shrink protective sleeve, 7-LED chip, 8-lead wire. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description, in conjunction with specific illustrations, further elaborates on this utility model.

[0025] In the description of this utility model, it should be understood that the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "center", "end", "length", "outer end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example

[0026] Combined with appendix Figures 1 to 5 As shown, this embodiment discloses a novel waterproof structure for an LED lamp, including a lamp bead body. The lamp bead body includes a colloid layer 1, a pin assembly 2, and an LED chip 7. The LED chip 7 cooperates with the pin assembly 2. The colloid layer 1 completely covers the LED chip 7 and part of the pin assembly 2. The lower end of the pin assembly 2 is used for conductive connection with a wire. A heat-shrinkable protective sleeve 6 is attached to the lower outer surface of the sidewall of the colloid layer 1. The heat-shrinkable protective sleeve 6 extends downward. The portion of the pin assembly 2 located outside the colloid layer 1 is accommodated in the inner cavity of the heat-shrinkable protective sleeve 6. The inner cavity of the heat-shrinkable protective sleeve 6 is filled with a sealing colloid 4, which completely covers the pin assembly 2.

[0027] In combination with the above, preferably, in this embodiment, the sealing adhesive 4 is a hot melt sealant, which enhances the waterproof performance of the lamp bead body.

[0028] In addition to the above, a lampshade 5 is also provided on the outside of the colloidal layer 1. The lampshade 5 completely covers the outside of the colloidal layer 1, which further improves the sealing and safety of the lamp bead body.

[0029] In combination with the above, the colloid layer 1 and the lampshade body 5 are made of the same material. Preferably, in this embodiment, both the colloid layer 1 and the lampshade body 5 are made of a light-transmitting material.

[0030] In summary, the lower end of the heat-shrinkable protective sleeve 6 extends beyond the lower end face of the sealing colloid 4 to protect the sealing colloid 4 and prevent wear. The heat-shrinkable protective sleeve 6 and the sealing colloid 4 are completely sealed together, thus enhancing the sealing performance.

[0031] In summary, the lampshade body 5 and the colloid layer 1 can be molded separately or integrally. In this embodiment, the lampshade 5 and the colloid layer 1 are separate structures. In another embodiment, the lampshade 5 and the colloid layer 1 are integrally molded structures, thus optimizing the production process.

[0032] In conjunction with the above, it also includes a pin insulation isolation frame 3. The pin assembly 2 includes a positive pin 21 and a negative pin 22. The pin insulation isolation frame 3 is provided with a first pin slot 31 and a second pin slot 32. Either the positive pin 21 or the negative pin 22 is installed in conjunction with the first pin slot 31, and the other is installed in conjunction with the second pin slot 32. In this embodiment, the pin assembly 2 and the pin insulation isolation frame 3 are installed in an embedded manner.

[0033] In conjunction with the above, an LED chip 7 is provided on the upper part of the positive pin 21 or the negative pin 22, and a lead 8 is connected between the positive pin 21 and the negative pin 22, with the lead 8 connecting to the LED chip 7; in another embodiment, an LED chip 7 is provided on the upper part of both the positive pin 21 and the negative pin 22.

[0034] In summary, the lower end of the positive electrode pin 21 is electrically connected to the positive electrode wire, and the lower end of the negative electrode pin 22 is electrically connected to the negative electrode wire. The sealing colloid 4 also partially covers the positive electrode wire and the negative electrode wire. In this embodiment, the connection points between the positive electrode pin 21 and the positive electrode wire, and between the negative electrode pin 22 and the negative electrode wire, are located inside the sealing colloid 4, i.e., in a sealed and encapsulated state.

[0035] In conjunction with the above, in another preferred embodiment, the LED chip 7 is a surface-mount LED chip, and the pin assembly 2 consists of a positive electrode wire and a negative electrode wire. The positive and negative electrode wires include an outer insulating layer and an inner conductive wire, wherein the conductive wire is made of metal. The positive and negative electrode wires are used to conductively engage with the surface-mount LED chip. Preferably, in this embodiment, one end of the conductive wire is connected to the LED chip 7, a portion of the conductive wire is encased inside the colloid layer 1, and another portion is encased inside the sealing colloid 4. The other end of the conductive wire is located inside the insulating layer, and the end of the insulating layer is located inside the sealing colloid 4. Example

[0036] Based on Example 1, and in conjunction with Appendix Figure 6As shown in Figure 7, this embodiment discloses a light string with a novel waterproof LED structure. Several LEDs with the novel waterproof LED structure are connected to each other by wires to connect pin components 2 to achieve a spaced arrangement. In this embodiment, the directions of two adjacent LEDs are opposite. In other embodiments, other arrangement forms may also be used.

[0037] This utility model has a simple structure with a multi-level waterproof and protective structure, including a colloid layer, a sealing colloid, and a heat-shrinkable protective sleeve. It can protect the LED beads and pins of the light string, has good sealing performance, can fix the position of the LED beads and pins to prevent displacement, and is suitable for rainy and dusty environments, with high safety and practicality.

[0038] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the utility model. Any simple modifications, equivalent changes, or alterations made to the above embodiments based on the technical principles of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A novel waterproof LED lamp structure, comprising a lamp bead body, the lamp bead body comprising a colloidal layer (1), a pin assembly (2), and an LED chip (7), the LED chip (7) cooperating with the pin assembly (2), characterized in that: The colloid layer (1) completely covers the LED chip (7) and part of the pin assembly (2). The lower end of the pin assembly (2) is used to make a conductive connection with the wire. A heat-shrinkable protective sleeve (6) is attached to the lower outer surface of the side wall of the colloid layer (1). The heat-shrinkable protective sleeve (6) extends downward. The part of the pin assembly (2) located outside the colloid layer (1) is accommodated in the inner cavity of the heat-shrinkable protective sleeve (6). The inner cavity of the heat-shrinkable protective sleeve (6) is filled with a sealing colloid (4). The sealing colloid (4) completely covers the pin assembly (2).

2. The novel waterproof structure of LED lamp according to claim 1, characterized in that: A lampshade (5) is also provided on the outside of the colloidal layer (1), and the lampshade (5) completely covers the outside of the colloidal layer (1).

3. The waterproof structure of a novel LED lamp according to claim 2, characterized in that: The colloidal layer (1) and the lampshade body (5) are made of the same material, and both the colloidal layer (1) and the lampshade body (5) are made of light-transmitting material.

4. The novel waterproof structure of LED lamp according to claim 1, characterized in that: The lower end of the heat-shrinkable protective sleeve (6) extends beyond the lower end face of the sealing colloid (4), and the heat-shrinkable protective sleeve (6) and the sealing colloid (4) are completely sealed and adhered.

5. The waterproof structure of a novel LED lamp according to any one of claims 2 to 3, characterized in that: The lampshade body (5) and the colloid layer (1) are either separately molded or integrally molded.

6. The waterproof structure of a new type LED lamp according to any one of claims 1 to 4, characterized in that: It also includes a pin insulation isolation frame (3), and the pin assembly (2) includes a positive pin (21) and a negative pin (22). The pin insulation isolation frame (3) is provided with a first pin slot (31) and a second pin slot (32).

7. The waterproof structure of a novel LED lamp according to claim 6, characterized in that: An LED chip (7) is provided on the upper part of the positive pin (21) and / or the negative pin (22), and a lead wire (8) is connected between the positive pin (21) and the negative pin (22).

8. The waterproof structure of a novel LED lamp according to claim 7, characterized in that: The lower end of the positive electrode pin (21) is electrically connected to the positive electrode wire, and the lower end of the negative electrode pin (22) is electrically connected to the negative electrode wire. The sealing colloid (4) also partially covers the positive electrode wire and the negative electrode wire.

9. The waterproof structure of a novel LED lamp according to claim 6, characterized in that: The LED chip (7) is a surface-mount LED chip. The pin assembly (2) consists of a positive wire and a negative wire, which are used to conduct electricity with the surface-mount LED chip.

10. A light string employing a novel waterproof structure of LED lights, characterized by: The invention includes a novel waterproof structure for LED lights as described in any one of claims 1 to 9.

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