Light-emitting electric wire and preparation method thereof
By integrating a transparent insulating bracket with a built-in flexible light strip into the wire, the problem of the monotonous appearance of traditional wires is solved, realizing a decorative and electrically safe luminous wire that extends service life and reduces costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHENZHEN LAIKE LIGHTING TECH
- Filing Date
- 2026-03-26
- Publication Date
- 2026-04-28
AI Technical Summary
Traditional electrical wires serve only as carriers of electricity, have a monotonous appearance, and cannot provide visual information or decorative effects.
Design a light-emitting wire comprising a transparent insulating bracket housing a flexible light-emitting strip and a conductive core wire, manufactured by an extrusion molding process, integrating power transmission and light-emitting functions, and forming physical isolation under a transparent insulating protective sleeve to prevent heat accumulation.
It enables the provision of visual information or decorative effects along the wiring path, ensures electrical safety, reduces the light decay rate of the LED strip, extends its service life, and supports detachable and replaceable LED strips, reducing long-term operating costs.
Smart Images
Figure CN121938699A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of wire and cable technology, and in particular to a light-emitting wire and its preparation method. Background Technology
[0002] Electrical wires consist of one or more flexible conductors covered by an outer insulation layer. Currently, most electrical wires on the market use copper or aluminum wires as conductors, with a layer of polyvinyl chloride (PVC) insulation wrapped around the core. They are widely used in the power, electronics, communications, home appliance, and everyday life sectors. In traditional wiring methods, electrical wires serve only as carriers of electrical power and are usually hidden in walls or cable trays, resulting in a monotonous appearance and offering no visual information or decorative effect. Summary of the Invention
[0003] In view of the problems existing in the prior art, the present invention provides a light-emitting wire and a method for preparing the same.
[0004] To achieve the above objectives, the technical solution of the present invention is as follows: A first aspect of the present invention is to provide a light-emitting wire, comprising: At least two conductive core wires; A transparent insulating bracket is integrally molded and covers the outside of the conductive core wire, and the transparent insulating bracket has an accommodating cavity extending along its length. A flexible light strip is disposed within the accommodating cavity with its light-emitting surface facing the outside of the transparent insulating bracket; A transparent insulating protective sleeve covers the outside of the transparent insulating bracket.
[0005] In a preferred embodiment, the transparent insulating support has a slit extending along its length and communicating with the accommodating cavity.
[0006] In a preferred embodiment, the width D1 of the accommodating cavity is several times larger than the width D2 of the slit, and the at least two conductive core wires are located on both sides of the slit.
[0007] In a preferred embodiment, the cross-sectional shape of the transparent insulating bracket is a rectangle with rounded corners.
[0008] In a preferred embodiment, the flexible light strip includes a flexible FPC substrate and LED light-emitting units electrically connected to the flexible FPC substrate, wherein the LED light-emitting units are located on the side of the flexible FPC substrate away from the at least two conductive core wires. The at least two conductive core wires include a live wire and a neutral wire. The flexible FPC substrate is provided with a positive electrode pad and a negative electrode pad. The positive electrode pad is electrically connected to the live wire through a first conductive structure penetrating the transparent insulating bracket, and the negative electrode pad is electrically connected to the neutral wire through a second conductive structure penetrating the transparent insulating bracket.
[0009] In a preferred embodiment, the flexible long light strip is pre-divided into multiple electrically independent light-emitting segments along its length. Each light-emitting segment is a complete light strip unit capable of emitting light independently. The flexible FPC substrate is provided with a positive electrode pad and a negative electrode pad corresponding to each light-emitting segment. Each positive electrode pad is electrically connected to the live wire through a first conductive structure, and each negative electrode pad is electrically connected to the neutral wire through a second conductive structure.
[0010] In a preferred embodiment, the length L of the light-emitting segment is 0.5m to 2m.
[0011] In a preferred embodiment, a cutting mark is provided on the outer surface of the transparent insulating protective sleeve at the position corresponding to the electrical disconnection between two adjacent light-emitting segments.
[0012] In a preferred embodiment, grooves are provided on the two opposite sidewalls of the accommodating cavity near the bottom wall, and the two ends of the flexible FPC substrate in the width direction are embedded in the grooves.
[0013] In a preferred embodiment, the flexible light strip is a COB flexible LED light strip or an SMD flexible LED light strip.
[0014] In a preferred embodiment, the number of conductive core wires is two, which are respectively set as live wire and neutral wire; or, the number of conductive core wires is three, which are respectively set as live wire, neutral wire and ground wire.
[0015] In a preferred embodiment, the transparent insulating protective sleeve has a circular cross-sectional shape or a rectangle with rounded corners.
[0016] In a preferred embodiment, the transparent insulating bracket has two accommodating cavities arranged opposite to each other, and each accommodating cavity contains a flexible light strip, with the light-emitting surfaces of the two flexible light strips facing opposite directions.
[0017] A second aspect of the present invention is to provide a method for preparing the light-emitting wire as described above, comprising the following steps: S1. Through the first extrusion process, at least two conductive core wires are integrally extruded with the transparent insulating bracket covering them, and the accommodating cavity is formed inside the transparent insulating bracket. S2. Place the flexible light strip into the accommodating cavity; S3. Through a second extrusion process, a transparent insulating protective sleeve is formed by wrapping the transparent insulating support to obtain the light-emitting wire.
[0018] In a preferred embodiment, the at least two conductive core wires include a live wire and a neutral wire, and the flexible FPC substrate of the flexible long light strip is provided with a positive electrode pad and a negative electrode pad. Step S2 includes the following sub-steps: S21. Place the flexible light strip into the accommodating cavity; S22. The positive electrode pad is electrically connected to the live wire through the first conductive structure through the transparent insulating bracket. S23. The negative electrode pad is electrically connected to the neutral wire through the second conductive structure through the transparent insulating bracket.
[0019] The luminescent wire and its manufacturing method provided in this invention include a conductive core wire for transmitting power and a flexible luminescent strip for emitting light, integrating power transmission and light emission functions into one unit. It can emit light along the wiring path to provide visual information or decorative effects. Specifically, a transparent insulating bracket contains an independent accommodating cavity for assembling the flexible luminescent strip, forming a physical isolation between the luminescent strip and the conductive core wire. This structure prevents direct heat conduction from the conductive core wire to the luminescent strip and provides a space for the heat generated by the luminescent strip itself, avoiding heat accumulation in the confined space, significantly reducing the light decay rate of the luminescent strip, thus ensuring the stability of the luminous effect and extending the service life of the entire luminescent wire. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of a light-emitting wire in one embodiment of the present invention; Figure 2 For corresponding Figure 1 A cross-sectional view of a light-emitting wire without a transparent insulating protective sheath; Figure 3 This is a schematic diagram of the structure of the light-emitting wire in another embodiment of the present invention; Figure 4 For corresponding Figure 3 A cross-sectional view of a light-emitting wire without a transparent insulating protective sheath; Figure 5 This is a cross-sectional view of the light-emitting wire in the first specific embodiment of the present invention; Figure 6 This is a cross-sectional view of the light-emitting wire in the second specific embodiment of the present invention; Figure 7This is a cross-sectional view of the light-emitting wire in the third specific embodiment of the present invention; Figure 8 This is a cross-sectional view of the light-emitting wire in the fourth specific embodiment of the present invention; Figure 9 This is a cross-sectional view of the light-emitting wire in the fifth specific embodiment of the present invention; Figure 10 This is a cross-sectional view of the light-emitting wire in the sixth specific embodiment of the present invention; Figure 11 This is a cross-sectional view of the light-emitting wire in the seventh specific embodiment of the present invention; Figure 12 This is a cross-sectional view of the light-emitting wire in the eighth specific embodiment of the present invention; Figure 13 This is an exemplary illustration of the electrical connection between a flexible light-emitting strip and a conductive core wire in a light-emitting wire according to an embodiment of the present invention; Figure 14 This is a cross-sectional view of a light-emitting wire according to an embodiment of the present invention, at positions corresponding to the positive and negative electrode pads; Figure 15 This is an exemplary illustration of the electrical connection between a flexible light-emitting strip and a conductive core wire in a light-emitting wire according to another embodiment of the present invention; Figure 16 This is a process flow diagram of the method for preparing a light-emitting wire according to an embodiment of the present invention.
[0021] Explanation of icon numbers: 1. Conductive core wire; 1a. Live wire; 1b. Neutral wire; 11. Conductor; 12. Insulation layer; 2. Transparent insulating support; 21. Receiving cavity; 22. Slit; 23. Groove; 3. Flexible light-emitting strip; 3a. Light-emitting segment; 31. Flexible FPC substrate; 32. LED light-emitting unit; 33. Positive electrode pad; 34. Negative electrode pad; 4. Insulating protective sleeve; 51. First conductive structural component; 52. Second conductive structural component; 100. Light-emitting wire; 200. Electrical connector. Detailed Implementation
[0022] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. In the following description, the expression "some embodiments" refers to a subset of all possible embodiments; however, it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.
[0023] It should also be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "inner," "outer," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0024] See Figures 1 to 4 This invention provides a light-emitting wire 100, which mainly includes at least two conductive core wires 1, a transparent insulating bracket 2, a flexible light-emitting strip 3, and a transparent insulating protective sleeve 4. The transparent insulating bracket 2 is integrally formed and covers the conductive core wires 1. The transparent insulating bracket 2 has an internal accommodating cavity 21 extending along its length. The flexible light-emitting strip 3 is disposed within the accommodating cavity 21 with its light-emitting surface facing the outside of the transparent insulating bracket 2. The transparent insulating protective sleeve 4 covers the outside of the transparent insulating bracket 2.
[0025] When the luminous wire 100 is wired and the flexible luminous strip 3 is driven to emit light, the light sequentially passes through the transparent insulating bracket 2 and the transparent insulating protective sleeve 4 to the outside of the luminous wire 100, thus achieving the luminous effect. The conductive core wire 1 can be any type of conductive core wire currently available on the market. For example, the conductive core wire 1 includes a conductor 11 and an insulating layer 12 covering the conductor 11. The material of the transparent insulating bracket 2 can be any existing transparent insulating material that meets the relevant standards or specifications for electrical wires and can be injection-extruded. The flexible luminous strip 3 can be any type of flexible luminous strip currently available on the market. The material of the transparent insulating protective sleeve 4 can be any existing transparent insulating material that meets the relevant standards or specifications for electrical wires and can be injection-extruded.
[0026] The light-emitting wire 100 described in the above embodiment has at least the following significant beneficial effects: 1. The luminous wire 100 includes a conductive core wire 1 for power transmission and a flexible luminous strip 3 for light emission, integrating power transmission and light emission functions into one unit. It can emit light along the wiring path to provide visual information or decorative effects. This luminous wire 100 is particularly suitable for construction and renovation applications requiring temporary wiring, and can emit light at night to achieve a warning effect.
[0027] 2. The flexible light strip 3 is embedded in the transparent insulating bracket 2, which is co-extruded with the conductive core wire 1, and then extruded through the final transparent insulating protective sleeve 4. With the flexible light strip 3 firmly assembled, a continuous, neat, and smooth overall product is formed. This makes the light-emitting wire 100 meet the stringent aesthetic requirements of high-end decorative applications, possessing a strong sense of technology and decoration. It has broad application prospects in specific consumer scenarios, such as high-end renovation, themed spaces, film and television props, science and technology exhibitions, and nighttime entertainment venues.
[0028] 3. The transparent insulating bracket 2 has an independent accommodating cavity 21 for assembling the flexible light-emitting strip 3, forming a physical isolation between the flexible light-emitting strip 3 and the conductive core wire 1. This structure, on the one hand, physically isolates the high-voltage power line (conductive core wire) from the low-voltage light-emitting circuit (light-emitting strip) through the solid material of the inner insulating layer, ensuring basic electrical safety; on the other hand, it blocks the direct heat conduction of the heat generated by the conductive core wire to the light-emitting strip (especially the LED light-emitting strip), and provides a space for the heat generated by the light-emitting strip itself to dissipate, avoiding the accumulation of heat in the confined space, significantly reducing the light decay rate of the light-emitting strip, thereby ensuring the stability of the light-emitting effect and extending the service life of the entire light-emitting wire.
[0029] 4. The flexible light strip 3 is built into an independent receiving cavity 21 within the transparent insulating bracket 2. That is, although the flexible light strip 3 is located inside the light-emitting wire 100, it is formed as an independently detachable and assembleable component. When the flexible light strip 3 is damaged due to lifespan issues, or when the user needs to change the light effect (such as color or brightness mode), it is not necessary to discard the entire wire; only the light strip can be replaced. This greatly extends the service life of the wire body, reduces long-term operating costs and electronic waste for users, and aligns with the concept of green environmental protection.
[0030] In some optional embodiments, the light transmittance of the transparent insulating bracket 2 and the transparent insulating protective sleeve 4 is 60% or more, preferably 75% or more, and more preferably 85% or more.
[0031] In some alternative embodiments, such as Figure 1 and Figure 2 As shown, the number of conductive core wires 1 is two, and they are respectively set as live wire and neutral wire.
[0032] In some other alternative embodiments, such as Figure 3 and Figure 4 As shown, the number of conductive core wires 1 is three, which are respectively set as live wire, neutral wire and ground wire.
[0033] In some alternative embodiments, such as Figure 1 and Figure 2As shown, the transparent insulating bracket 2 has a cavity 21 inside, in which a flexible light-emitting strip 3 is installed. At this time, the corresponding light-emitting wire 100 emits light from one side, and the light-emitting angle is close to 180°.
[0034] In some other alternative embodiments, such as Figure 3 and Figure 4 As shown, the transparent insulating bracket 2 has two accommodating cavities 21 inside, which are arranged opposite to each other. Each accommodating cavity 21 contains a flexible light-emitting strip 3, and the light-emitting surfaces of the two flexible light-emitting strips 3 face opposite directions. At this time, the corresponding light-emitting wire 100 emits light from both sides, and the light-emitting angle is close to 360°.
[0035] In some alternative embodiments, such as Figure 1 As shown, the transparent insulating protective sleeve 4 has a circular cross-sectional shape.
[0036] In some other alternative embodiments, such as Figure 2 As shown, the cross-sectional shape of the transparent insulating protective sleeve 4 is a rectangle with rounded corners.
[0037] In some preferred embodiments, see Figure 2 and Figure 4 The transparent insulating support 2 has a slit 22 extending along its length and communicating with the receiving cavity 21. Typically, the light-emitting wire 100 is relatively long, and the transparent insulating support 2, as a component of the wire, has good bending performance and a certain degree of elasticity. By providing the slit 22, the flexible light-emitting strip 3 can be more easily placed into the receiving cavity 21. Specifically, when assembling the flexible light-emitting strip 3, a certain external force is applied to open the slit 22, and then the flexible light-emitting strip 3 is inserted into the receiving cavity 21 through the slit 22, thereby improving production efficiency.
[0038] More preferably, the width D1 of the accommodating cavity 21 is several times larger than the width D2 of the slit 22, so that the flexible light-emitting strip 3 is not easily accidentally dislodged from the slit 22 after being placed in the accommodating cavity 21. For example, the width D1 of the accommodating cavity 21 is 5 to 8 times the width D2 of the slit 22.
[0039] In some alternative embodiments, such as Figure 1 and Figure 2 As shown, the at least two conductive core wires 1 are located on both sides of the slit 22.
[0040] In some preferred embodiments, the cross-sectional shape of the transparent insulating bracket 2 is a rectangle with rounded corners.
[0041] In some preferred embodiments, the flexible light-emitting strip 3 includes a flexible FPC substrate 31 and LED light-emitting units 32 electrically connected to the flexible FPC substrate 31, wherein the LED light-emitting units 32 are located on the side of the flexible FPC substrate 31 away from the at least two conductive core wires 1. Specifically, the flexible light-emitting strip 3 is, for example, a COB flexible LED strip or an SMD flexible LED strip.
[0042] In some preferred embodiments, after the flexible light strip 3 is placed into the accommodating cavity 21, there is a certain gap between the LED light-emitting unit 32 and the top wall of the accommodating cavity 21, so that the heat generated by the flexible light strip 3 itself can be better dissipated.
[0043] In some preferred embodiments, grooves 23 are provided on the two opposite sidewalls of the accommodating cavity 21 near the bottom wall, and the two ends of the flexible FPC substrate 31 in the width direction are embedded in the grooves 23. By providing the grooves 23 and embedding the two ends of the flexible FPC substrate 31 into the grooves 23, the rotation of the flexible light-emitting strip 3 in the accommodating cavity 21 can be prevented, ensuring that the light-emitting surface of the flexible light-emitting strip 3 faces the outside of the transparent insulating bracket 2.
[0044] Figures 5 to 12 A cross-sectional view of a light-emitting wire 100 according to some specific embodiments of the present invention is shown as an example.
[0045] like Figure 5 In the first specific embodiment of the light-emitting wire 100 shown, there are two conductive core wires 1, and the transparent insulating bracket 2 has a receiving cavity 21 inside, corresponding to a flexible light-emitting strip 3. The transparent insulating protective sleeve 4 has a circular cross-sectional shape. The light-emitting wire 100 of this specific embodiment can be called a two-core single-sided light-emitting circular light-emitting wire.
[0046] like Figure 6 In the second specific embodiment shown, the light-emitting wire 100 is as follows: Figure 5 The difference in the luminous wire 100 shown is that the cross-sectional shape of the transparent insulating protective sleeve 4 is a rectangle with rounded corners. The luminous wire 100 of this specific embodiment can be called a two-core single-sided luminous rectangular luminous wire.
[0047] like Figure 7 In the third specific embodiment shown, the light-emitting wire 100 is as follows: Figure 5 The difference in the luminous wire 100 shown is that the number of conductive core wires 1 is three. The luminous wire 100 of this specific embodiment can be called a three-core single-sided luminous circular luminous wire.
[0048] like Figure 8 In the fourth specific embodiment shown, the light-emitting wire 100 is as follows: Figure 7 The difference in the luminous wire 100 shown is that the cross-sectional shape of the transparent insulating protective sleeve 4 is a rectangle with rounded corners. The luminous wire 100 of this specific embodiment can be called a three-core single-sided luminous rectangular luminous wire.
[0049] like Figure 9 In the fifth specific embodiment shown, the light-emitting wire 100 is as follows: Figure 5 The difference in the luminous wire 100 shown is that the transparent insulating bracket 2 has two oppositely arranged receiving cavities 21, each corresponding to one of the flexible luminous LED strips 3. The luminous wire 100 of this specific embodiment can be referred to as a two-core, double-sided luminous circular luminous wire.
[0050] like Figure 10 In the sixth specific embodiment shown, the light-emitting wire 100 is as follows: Figure 9 The difference in the luminous wire 100 shown is that the cross-sectional shape of the transparent insulating protective sleeve 4 is a rectangle with rounded corners. The luminous wire 100 of this specific embodiment can be called a two-core double-sided luminous rectangular luminous wire.
[0051] like Figure 11 In the seventh specific embodiment shown, the light-emitting wire 100 is as follows: Figure 9 The difference in the luminous wire 100 shown is that the number of conductive core wires 1 is three. The luminous wire 100 of this specific embodiment can be called a three-core double-sided luminous circular luminous wire.
[0052] like Figure 12 In the eighth specific embodiment shown, the light-emitting wire 100 is as follows: Figure 10 The difference in the luminous wire 100 shown is that the number of conductive core wires 1 is three. The luminous wire 100 of this specific embodiment can be called a three-core double-sided luminous rectangular luminous wire.
[0053] In some alternative embodiments, such as Figure 13 and Figure 14 As shown, the at least two conductive core wires 1 include a live wire 1a and a neutral wire 1b. The flexible FPC substrate 31 of the flexible light strip 3 is provided with a positive electrode pad 33 and a negative electrode pad 34. The positive electrode pad 33 is electrically connected to the live wire 1a through a first conductive structure 51 that penetrates the transparent insulating bracket 2, and the negative electrode pad 34 is electrically connected to the neutral wire 1b through a second conductive structure 52 that penetrates the transparent insulating bracket 2.
[0054] As described in the above embodiment, the light-emitting wire 100 has its positive and negative electrode pads of the flexible light-emitting strip 3 electrically connected to the live wire 1a and neutral wire 1b of the conductive core wire 1 via conductive structural components, with the conductive core wire 1 serving as the power bus of the flexible light-emitting strip 3. When using this light-emitting wire 100, refer to... Figure 13 At the end of the light-emitting wire 100, a conductive core wire 1 (including a live wire 1a and a neutral wire 1b) is connected to an electrical connector 200. The electrical connector 200 is then connected to a power supply device. The power supplied by the power supply device is transmitted through the conductive core wire 1. The flexible light-emitting strip 3 obtains its driving power from the conductive core wire 1 to drive the LED light-emitting unit 32 to emit light. The conductive core wire 1 is used not only to transmit power to the main circuit but also to supply power to the flexible light-emitting strip 3.
[0055] The electrical connector 200 is, for example, a plug, and the power supply device is, for example, a socket. When the number of conductive core wires 1 is two and they are set as live wire and neutral wire, the electrical connector 200 can be selected as a conventional plug with two pins. When the number of conductive core wires 1 is three and they are set as live wire, neutral wire, and ground wire, the electrical connector 200 can be selected as a conventional plug with three pins.
[0056] As described in the above embodiment, the light-emitting wire 100, by incorporating a built-in first conductive structure 51 and a second conductive structure 52, eliminates the need for additional electrical connection between the user and the flexible light-emitting strip 3, making it more convenient to use. It is easily understood that, in an optional solution, the first conductive structure 51 and the second conductive structure 52 may be omitted, and the user can supply power to the flexible light-emitting strip 3 via a separate power connection cable. For example, when connecting the electrical connector 200, the positive electrode pad 33 and the negative electrode pad 34 can be directly electrically connected to the electrical connector 200 via a power connection cable.
[0057] In some other alternative embodiments, see [link to documentation]. Figure 15The flexible long light strip 3 is pre-divided along its length into multiple electrically independent light-emitting segments 3a. Each light-emitting segment 3a is a complete light strip unit capable of independently emitting light. The flexible FPC substrate 31 is provided with a positive electrode pad 33 and a negative electrode pad 34 corresponding to each light-emitting segment 3a. It can be understood that the flexible FPC substrate 31 is provided with a complete driving circuit and positive electrode pads 33 and negative electrode pads 34 for supplying power to the driving circuit for each light-emitting segment 3a. Each light-emitting segment 3a is provided with several LED light-emitting units 32 connected to the driving circuit. Furthermore, the driving circuits in different light-emitting segments 3a are electrically isolated from each other. Thus, each light-emitting segment 3a is a complete light strip unit capable of independently emitting light, and each light-emitting segment 3a is electrically independent.
[0058] Among them, such as Figure 15 As shown, each of the positive electrode pads 33 is electrically connected to the live wire 1a through a first conductive structure 51, and each of the negative electrode pads 34 is electrically connected to the neutral wire 1b through a second conductive structure 52.
[0059] When the light-emitting wire 100 described in the above embodiment is used, it is in conjunction with... Figure 13 Similar to the light-emitting wire shown, at the end of the light-emitting wire 100, the conductive core wire 1 is connected to the electrical connector 200, and then the electrical connector 200 is connected to the power supply device. The power supplied by the power supply device is transmitted through the conductive core wire 1. Each light-emitting segment 3a in the flexible light-emitting strip 3 obtains driving power from the conductive core wire 1 and emits light individually.
[0060] like Figure 15 The luminous wire 100 shown can be cut by the user according to the actual needs of the wiring scenario. The user can cut it at the boundary of any luminous segment 3a. For example, the luminous wire 100 can be cut to a length that includes only one luminous segment 3a, or it can be cut to a length that includes two luminous segments 3a.
[0061] In a preferred embodiment, see [reference] Figure 15 The length L of the light-emitting segment 3a is preferably 0.5m to 2m, for example, it can be set to 0.5m, 0.8m, 1m, 1.5m or 2m.
[0062] Since the outermost transparent insulating protective sleeve 4 of the light-emitting wire 100 is transparent, the user can observe the position of the first conductive structure 51 and the second conductive structure 52 of each light-emitting segment 3a inside through the transparent insulating protective sleeve 4. The user can select the cutting position according to the position of the first conductive structure 51 and the second conductive structure 52 to ensure that the light-emitting wire formed by cutting contains one or more complete light-emitting segments 3a.
[0063] In a further preferred embodiment, a cutting mark is provided on the outer surface of the transparent insulating protective sleeve 4 at the electrical disconnection position corresponding to the two adjacent light-emitting segments 3a. When the user needs to cut the wire, the cutting can be done at the location marked with the cutting mark. The cutting mark clearly prompts the user and avoids the user cutting the wire in the wrong place, resulting in some wires becoming unusable and wasting the wire.
[0064] Based on the light-emitting wire 100 provided in the above embodiments, this embodiment of the invention also provides a method for preparing the light-emitting wire 100. See reference. Figure 16 and combined Figures 1 to 12 As shown, the preparation method includes the following steps: S1. Through the first extrusion process, at least two conductive core wires 1 are integrally extruded with the transparent insulating support 2 covering them, and the accommodating cavity 21 is formed inside the transparent insulating support 2.
[0065] S2. Place the flexible light strip 3 into the accommodating cavity 21.
[0066] S3. Through a second extrusion process, the transparent insulating protective sleeve 4 is formed by wrapping the transparent insulating support 2 to obtain the light-emitting wire 100.
[0067] The method for manufacturing luminescent wires as described in the above embodiment mainly includes sequentially performing injection molding extrusion of the inner transparent insulating support 2, inserting the flexible luminescent LED strip 3 into the transparent insulating support 2, and injection molding extrusion of the outer transparent insulating protective sleeve 4. The manufacturing process has clear and defined steps, is smooth, and has good compatibility with existing wire and cable manufacturing processes, allowing for standardized production.
[0068] In a further optional embodiment, combined with Figures 13 to 15 As shown, in the preparation method, step S2 includes the following sub-steps: S21. Place the flexible light strip 3 into the accommodating cavity 21.
[0069] S22. The positive electrode pad 33 is electrically connected to the live wire 1a through the first conductive structure 51 through the transparent insulating bracket 2.
[0070] S23. The negative electrode pad 34 is electrically connected to the neutral wire 1b through the second conductive structure 52 through the transparent insulating bracket 2.
[0071] The first conductive structural component 51 and the second conductive structural component 52 may be selected as wires with an insulating layer.
[0072] Specifically, after the flexible light strip 3 is placed into the accommodating cavity 21: First, at the positions corresponding to the positions where the positive electrode pad 33 and the negative electrode pad 34 are provided, through-holes (not shown in the figures) are made on the side wall of the transparent insulating bracket 2 by a drilling process for passing through the first conductive structure 51 and the second conductive structure 52; then, one end of the first conductive structure 51 is connected to the positive electrode pad 33 through the corresponding through-hole, and the other end of the first conductive structure 51 is connected to the wire of the live wire 1a through the corresponding through-hole; one end of the second conductive structure 52 is connected to the negative electrode pad 34 through the corresponding through-hole, and the other end of the second conductive structure 52 is connected to the wire of the neutral wire 1b through the corresponding through-hole.
[0073] Preferably, the first conductive structural component 51 is connected to the positive electrode pad 33 and the wire of the live wire 1a by welding. Correspondingly, the second conductive structural component 52 is preferably connected to the negative electrode pad 34 and the wire of the neutral wire 1b by welding.
[0074] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. The scope of protection of the present invention should be determined by the scope of the claims.
Claims
1. A light-emitting wire, characterized in that, include: At least two conductive core wires; A transparent insulating bracket is integrally molded and covers the outside of the conductive core wire, and the transparent insulating bracket has an accommodating cavity extending along its length. A flexible light strip is disposed within the accommodating cavity with its light-emitting surface facing the outside of the transparent insulating bracket; A transparent insulating protective sleeve covers the outside of the transparent insulating bracket.
2. The light-emitting wire according to claim 1, characterized in that, The transparent insulating support has a slit that extends along its length and communicates with the accommodating cavity.
3. The light-emitting wire according to claim 2, characterized in that, The width D1 of the accommodating cavity is several times larger than the width D2 of the slit, and the at least two conductive core wires are located on both sides of the slit.
4. The light-emitting wire according to claim 1, characterized in that, The transparent insulating bracket has a rectangular cross-sectional shape with rounded corners.
5. The light-emitting wire according to claim 1, characterized in that, The flexible light strip includes a flexible FPC substrate and LED light-emitting units electrically connected to the flexible FPC substrate. The LED light-emitting units are located on the side of the flexible FPC substrate away from the at least two conductive core wires. The at least two conductive core wires include a live wire and a neutral wire. The flexible FPC substrate is provided with a positive electrode pad and a negative electrode pad. The positive electrode pad is electrically connected to the live wire through a first conductive structure penetrating the transparent insulating bracket, and the negative electrode pad is electrically connected to the neutral wire through a second conductive structure penetrating the transparent insulating bracket.
6. The light-emitting wire according to claim 5, characterized in that, The flexible long light strip is pre-divided into multiple electrically independent light-emitting segments along its length. Each light-emitting segment is a complete light strip unit capable of emitting light independently. The flexible FPC substrate is provided with a positive electrode pad and a negative electrode pad corresponding to each light-emitting segment. Each positive electrode pad is electrically connected to the live wire through a first conductive structure, and each negative electrode pad is electrically connected to the neutral wire through a second conductive structure.
7. The light-emitting wire according to claim 6, characterized in that, The length L of the light-emitting segment is 0.5m to 2m.
8. The light-emitting wire according to claim 7, characterized in that, On the outer surface of the transparent insulating protective sleeve, a cutting mark is provided at the position corresponding to the electrical disconnection between two adjacent light-emitting segments.
9. The light-emitting wire according to claim 5, characterized in that, The cavity has grooves on its two opposite sidewalls near the bottom wall, and the two ends of the flexible FPC substrate in the width direction are embedded in the grooves.
10. The light-emitting wire according to claim 5, characterized in that, The flexible light strip is either a COB flexible LED light strip or an SMD flexible LED light strip.
11. The light-emitting wire according to claim 1, characterized in that, The number of conductive core wires is two, which are respectively set as live wire and neutral wire; or, the number of conductive core wires is three, which are respectively set as live wire, neutral wire and ground wire.
12. The light-emitting wire according to claim 1, characterized in that, The transparent insulating protective sleeve has a circular cross-sectional shape or a rectangle with rounded corners.
13. The light-emitting wire according to any one of claims 1-12, characterized in that, The transparent insulating bracket has two accommodating cavities arranged opposite each other, and each accommodating cavity is provided with a flexible light strip, with the light-emitting surfaces of the two flexible light strips facing opposite directions.
14. A method for preparing a light-emitting wire as described in any one of claims 1-13, characterized in that, Includes the following steps: S1. Through the first extrusion process, at least two conductive core wires are integrally extruded with the transparent insulating bracket covering them, and the accommodating cavity is formed inside the transparent insulating bracket. S2. Place the flexible light strip into the accommodating cavity; S3. Through a second extrusion process, a transparent insulating protective sleeve is formed by wrapping the transparent insulating support to obtain the light-emitting wire.
15. The method for preparing a light-emitting wire according to claim 14, characterized in that, The at least two conductive core wires include a live wire and a neutral wire, and the flexible FPC substrate of the flexible long light strip is provided with a positive electrode pad and a negative electrode pad. Step S2 includes the following sub-steps: S21. Place the flexible light strip into the accommodating cavity; S22. The positive electrode pad is electrically connected to the live wire through the first conductive structure through the transparent insulating bracket. S23. The negative electrode pad is electrically connected to the neutral wire through the second conductive structure through the transparent insulating bracket.