CN205278858U - Soft lamp strip of high pressure LED based on FPC - Google Patents

Abstract

The utility model discloses an FPC-based high-voltage LED flexible light strip, which includes a power supply with a built-in control circuit, a flexible light strip structure that is movably connected to the power supply through an input terminal connection component, and is buckled in the middle part of the flexible light strip structure. The installation groove, and the tail plug blocked at the end of the flexible light strip structure; the flexible light strip structure includes at least two flexible light strips extruded by FPC, and the adjacent flexible light strips are connected through the middle end assembly active connection. The utility model realizes the plug-in movable connection between the power supply and the soft light bar, the soft The pluggable movable connection between the light bar and the flexible light bar completely solves the problem that the size of the existing LED light strip cannot be changed, greatly improves the environmental adaptability of the LED light strip, and improves the practical value of the LED light strip .

Description

A FPC-based high-voltage LED flexible light bar

technical field

The utility model relates to a flexible light strip, in particular to an FPC-based high-voltage LED flexible light strip.

Background technique

In recent years, the LED advertising sign industry has achieved rapid development. With the rising awareness of global energy conservation and the background of relatively high electricity prices compared with traditional light sources, LED light sources continue to be introduced into commercial, architectural, and advertising signage fields.

At present, the advertising sign industry mainly uses low-voltage LED light strips, and adopts the technical scheme of separating low-voltage DC power supply and LED light-emitting light strips. This kind of low-voltage LED light strip is not only very troublesome to install, but also its size cannot be changed once the product leaves the factory, which greatly limits its environmental adaptability.

Utility model content

The purpose of the utility model is to provide an FPC-based high-voltage LED flexible light strip, which solves the problem that the size of the existing LED light strip is difficult to adjust during the practical process.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

An FPC-based high-voltage LED flexible light strip, including a power supply with a built-in control circuit, a flexible light strip structure that is movably connected to the power supply through an input terminal connection component, a mounting slot that is snapped in the middle of the flexible light strip structure, and a sealing A tail plug plugged at the tail of the flexible light strip structure; the flexible light strip structure includes at least two flexible light strips extruded from FPC, and the adjacent flexible light strips are movably connected by a middle-end connecting component.

Further, the input end of the power supply is connected with a power plug, and the output end is connected with a power output line inserted into the interior of the flexible light bar and electrically connected with it; The inner shell on the upper part is installed on the flexible light bar and the first connecting shell is sleeved with the inner shell, and one end is inserted between the first connecting shell and the flexible light bar, and the other end is fastened to the said flexible light bar. The first metal shrapnel on the outer surface of the inner shell.

Further, the inner shell is sleeved on the end of the flexible light bar, and a fixing buckle is provided on its outer surface, and an elastic buckle is arranged on one side of the fixing buckle, and the elastic buckle is connected with the fixed buckle. There is a gap between the buckles; the first connecting shell is set on the flexible light bar, and a fixing hole matching the fixing buckle is opened on its side; one end of the first metal shrapnel is inserted into the flexible light bar and the Between the first connection shells, elastic latches are provided, while the other end is provided with a positioning hole matched with the fixing buckle, and is buckled on the fixing buckle through the positioning hole, and the outer edge of the positioning hole snap into the gap between the spring buckle and the fixing buckle.

Preferably, the outer edge of the positioning hole is also provided with a baffle perpendicular to it; the elastic latches are distributed on one end surface and the end of the first metal elastic piece.

Preferably, a reinforcing rib is further provided on the inner side wall of the first connecting shell at a position in contact with the elastic latch.

Still further, the middle-end connection assembly includes two second connection shells that are respectively sleeved on the ends of adjacent flexible light bars and have the same structure as the first connection shells, and one matching with the two second connection shells. A middle-end connector, and a second metal shrapnel that is inserted between the second connection shell and the flexible light bar at one end, and buckled on the outer surface of the middle-end connector at the other end, and the second metal shrapnel is connected to the second metal shrapnel. A metal shrapnel has the same structure.

Still further, the middle-end connector is formed by two light bar positioning slots with the same structure and respectively set on the ends of two adjacent soft light bar ends symmetrically; the outer surface of the light bar positioning slots is provided with The fixed buckle is also provided with a shrapnel buckle on one side of the fixed buckle, and there is a gap between the shrapnel buckle and the fixed buckle; one end of the second metal shrapnel provided with elastic teeth snaps into the second connection shell and the flexible light bar, while the other end is fastened to the fixing buckle on the positioning groove of the light bar through the positioning hole.

Still further, conductive pins connected to power output lines are provided inside the inner shell and the positioning groove of the light bar.

Furthermore, the flexible light bar includes a shell, an FPC soft board embedded in the shell, and an LED lamp mounted on the FPC soft board and electrically connected to the power output line; the upper end of the shell is a cylinder shape, the lower end is a cuboid structure, and the upper end and the lower end are extruded into one body by light-transmitting silica gel. On the inner side wall of the lower end of the housing, and there is a gap between the LED lamp and the inner side wall of the housing.

Furthermore, the installation groove includes a through groove structure and an installation buckle with teeth on both side walls, and an installation aluminum groove matching the lower end of the housing and covering the installation buckle; the installation aluminum groove A notch is provided on the upper end of the side wall, and a handle for taking out the shell is provided on the upper end of the installation buckle, and the handle is exposed at the notch.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model realizes the plug-in activity between the power supply and the flexible light bar by setting the input end connection component between the power supply and the flexible light bar, and the middle end connection component between the soft light bar and the flexible light bar The connection, the plug-in movable connection between the flexible light strip and the flexible light strip, enables the user to freely choose the number of flexible light strips connected to the LED flexible light strip after leaving the factory, and can increase or decrease the flexible light strip at will, and It does not affect the normal operation of the entire LED flexible light strip, thereby completely solving the problem that the size of the existing LED light strip cannot be changed, greatly improving the environmental adaptability of the LED light strip, and improving the practical value of the LED light strip.

(2) Through the ingenious design of the inner shell, the connecting shell and the first metal shrapnel, the utility model not only realizes the electrical connection between the power supply terminal and the flexible light bar, but also realizes the physical structure between the power supply and the flexible light bar. active connection; the design of the first metal shrapnel not only improves the stability of the connection between the inner shell and the connecting shell, but also strengthens the compactness of the physical structure between the connecting shell and the flexible light bar, making the power supply and the flexible light bar The stability and reliability between the light strips, the inner shell and the connecting shell have been comprehensively improved, and once the first metal shrapnel is removed, the inner shell and the connecting shell can be easily disassembled to realize the connection between the power supply and the flexible light bar. It is very convenient and simple to disassemble.

(3) This utility model is based on the design principle of the input connection component, and the middle-end connection component is designed. Through the design of the center-end connector and two second connection shells, the adjacent flexible light bar is realized. The plug-in active connection, its installation and removal methods are the same as the input connection components, which is very simple and convenient.

(4) The conductive pins provided in the inner casing and the positioning groove of the light bar in the utility model greatly facilitate the power connection of each part of the entire LED light strip.

(5) The reinforcing ribs provided on the inner side walls of the first connecting shell and the second connecting shell in the present invention can effectively improve the strength of the connecting shell and ensure the service life of the connecting shell.

(6) In the utility model, the buckle of the shrapnel and the fixed buckle cooperate with each other, which can fully limit the first metal elastic and the second metal shrapnel, and ensure that the first metal shrapnel and the second metal shrapnel will not fall out of the fixed buckle after connection. slide out.

(7) The utility model designs the outer shell of the flexible light strip as a structure with an upper circle and a lower part, and through the ingenious combination of light-transmitting silica gel and light-blocking silica gel, it realizes the guidance of the divergent direction of the LED light, and improves the LED light to a certain extent. light utilization.

(8) In the utility model, there is a gap between the LED lamp and the inner wall of the casing, thereby providing sufficient heat dissipation space for the LED lamp and ensuring the service life of the LED lamp.

(9) The utility model provides great convenience for the installation of the LED light strip through the combination of the installation of the aluminum groove and the installation buckle, and on the other hand, provides a great convenience for the assembly between the installation of the aluminum groove and the soft light strip. Great convenience; at the same time, the teeth set on the side wall of the installation buckle improve the firmness and reliability of the connection between the installation buckle and the shell, and the handshake set on the upper end of the installation buckle is for removing the flexible light bar. A force point is provided, which provides great convenience for taking out the flexible light strip.

(10) In the present utility model, the baffle arranged on the outer edge of the positioning hole can effectively increase the friction between the metal shrapnel and the side wall of the fixing buckle, further improving the stability and reliability of the connection between the two.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a schematic diagram of the connection between the power supply and the flexible light bar in the present invention.

Fig. 3 is a schematic diagram of the connection between the flexible light bar and the flexible light bar in the present invention.

Fig. 4 is a schematic diagram of assembly between the installation groove and the flexible light bar in the present invention.

Fig. 5 is a schematic structural diagram of the flexible light bar in the present invention.

Fig. 6 is a schematic structural view of the inner shell of the present invention.

Fig. 7 is a schematic structural view of the first connecting shell and the second connecting shell in the present invention.

Fig. 8 is a schematic diagram of the structure of the mid-end connector of the present invention.

Fig. 9 is a schematic structural view of the first metal elastic piece and the second metal elastic piece in the present invention.

Fig. 10 is a schematic diagram of the structure of the installation aluminum groove in the utility model.

Fig. 11 is a schematic diagram of the structure of the buckle installed in the utility model.

Fig. 12 is a schematic structural view of the tail plug in the present invention.

In the above drawings, the names of components corresponding to the reference signs are as follows:

1-power plug, 2-power supply, 3-power output line, 4-conductive pin, 5-inner shell, 6-fixing buckle, 7-shrapnel buckle, 8-first connection shell, 9-reinforcing rib, 10 -fixing hole, 11-first metal shrapnel, 12-elastic latch, 13-positioning hole, 14-baffle plate, 15-second connecting shell, 16-second metal shrapnel, 17-translucent silicone, 18-stop Optical silicone, 19-FPC soft board, 20-LED light, 21-installation aluminum groove, 22-installation buckle, 23-notch, 24-clip, 25-handshake, 26-installation hole, 27-tail plug, 28 -Input terminal connection assembly, 29-middle end connection assembly, 30-middle end connection head.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and examples. The implementation of the utility model includes but not limited to the following examples.

Example

As shown in Figure 1, the FPC-based AC LED flexible light strip disclosed by the utility model includes a power supply with a built-in control circuit. The installation groove in the middle of the strip structure, and the tail plug blocked at the end of the flexible light strip structure; the flexible light strip structure includes at least two flexible light strips extruded by FPC, and the adjacent flexible light strips pass through Mid-end connection component active connection.

The control circuit is a circuit for controlling the switch of the LED lamp, which is a prior art, and will not be described in detail here. The power supply also has a built-in high and low voltage conversion circuit, which is used to convert the 220V city power into a low voltage suitable for the LED flexible light strip, so that the 220V city power can be directly connected to the external 220V city power without installing an additional voltage conversion device when the LED light strip is installed. , which is also a prior art, and will not be described in detail here. The innovation of the utility model mainly lies in the input terminal connection component, the middle terminal connection component, the installation groove and the flexible light bar, as shown in Fig. 2 to Fig. 11, which will be described in detail below.

Among them, the design principles of the input terminal connection component and the middle terminal connection component are similar, but because of their different positions, their specific functions are also slightly different, therefore, their physical structures are also slightly different.

One end of the input connection component is connected to the output end of the power supply, and the other end is connected to one end of the flexible light bar. Since the output end of the power supply is a single power line, the physical structure is simple, so the physical structure of the end of the input terminal connecting component used to connect the output end of the power supply is also very simple. Since the flexible light bar not only involves the shell, but also considers its internal power connection, the structure is relatively complicated, so the terminal structure of the input terminal connection component connected to it is also relatively complicated.

In order to facilitate the description of the structure of the input-end connection assembly and the middle-end connection assembly, the structure of the flexible light bar in the present invention is first introduced here. The flexible light bar in the utility model, as shown in Fig. 5, includes a shell, an FPC soft board embedded in the shell, and an LED lamp installed on the FPC soft board and electrically connected to the output line of the power supply; The upper end of the shell is cylindrical, and the lower end is a cuboid structure, and the upper end and the lower end are extruded into one body by light-transmitting silica gel, and the interior is a hollow structure, and the outer surface of the lower end of the shell is also coated with light-blocking silica gel; the FPC The flexible board is installed on the inner side wall of the lower end of the housing, and its hollow structure ensures that there is a gap between the LED lamp and the inner side wall of the housing.

The input end of the power supply is connected with a power plug, which can be directly inserted into a 220V mains jack, and the power output line at the output end is connected to one end of the input end connecting component. The input terminal connection component is provided with conductive pins for electrical connection with the power output line, and at the same time inserted into the hollow structure of the flexible light bar, and electrically connected with the power input terminal on the FPC flexible board. In order to ensure the stability and reliability of the connection between the input end connection component and the flexible light bar, the utility model sets the end of the input end connection component used to connect with the flexible light bar to the same shape as the shell, and the size ensures that it can be nested in on the shell. The schematic diagram of the connection between the input connection assembly and the flexible light bar is shown in Figure 2. The input connection assembly includes an inner shell connected to the power output line, a first connection shell sleeved on the flexible light bar, and an end The first metal shrapnel is inserted between the first connection shell and the flexible light bar, and the other end is buckled on the outer surface of the inner shell.

The inner shell is set on the end of the flexible light bar. As shown in Figure 6, a fixing buckle is arranged on its outer surface, and a shrapnel buckle is also arranged on one side of the fixing buckle. The shrapnel snaps There is a gap between the buckle and the fixing buckle; the first connecting shell is set on the flexible light bar, as shown in Figure 7, and a fixing hole matching the fixing buckle is opened on its side; the first metal As shown in Figure 9, one end of the shrapnel is inserted between the flexible light bar and the first connection shell, and is provided with elastic latches, while the other end is provided with a positioning hole matched with the fixing buckle, and through the positioning The hole is fastened on the fixing buckle, and the outer edge of the positioning hole is snapped into the gap between the elastic buckle and the fixing buckle.

In order to improve the stability of the first metal elastic piece after being buckled into the fixing buckle, a baffle plate perpendicular to it is also provided on the outer edge of the positioning hole; the elastic latches are distributed on one end surface of the first metal elastic piece and on the end. By setting elastic locking teeth on the end face and end of the first metal dome, the friction force between the first metal dome and the shell of the flexible light bar can be effectively increased, thereby improving the locking force between the first metal dome and the shell. buckle effect; at the same time, use the elastic latches to increase the extrusion force between the first connection shell and the end face of the first metal shrapnel, thereby improving the contact between the shell of the flexible light bar and the first connection shell of the input end connection assembly. Friction, improve the stability and reliability of the connection between the two.

Preferably, in order to ensure the service life of the first connecting shell, a reinforcing rib is further provided on the inner side wall of the first connecting shell at a position in contact with the elastic latch.

The mid-end connecting component is mainly used to connect any two adjacent flexible light bars. Since all the flexible light bars have the same structure, the two ends of the mid-end connecting component must also have the same structure. Considering the connection design between the input connection component and the flexible light bar, the utility model chooses to use two input terminal connection components to combine with the connection end of the flexible light bar, which not only ensures the stability of the connection between adjacent flexible light bars and reliability, and also reduces the design difficulty and installation difficulty of mid-end connection components. The schematic diagram of the connection between adjacent flexible light strips is shown in Figure 3. The middle-end connection component is located between two adjacent flexible light strips, including two adjacent flexible light strip ends and connected to the first A second connection shell with the same structure as the connection shell, and a middle-end connector matched with the two second connection shells respectively, and one end is inserted between the second connection shell and the flexible light bar, and the other end is fastened to the The second metal elastic piece on the outer surface of the middle-end connector, and the second metal elastic piece has the same structure as the first metal elastic piece.

As shown in Figure 8, the middle end connector is composed of two light bar positioning slots with the same structure and respectively placed on the ends of two adjacent flexible light bar ends symmetrically; the outer surface of the light bar positioning slots A fixing buckle is provided, and a shrapnel buckle is arranged on one side of the fixing buckle, and there is a gap between the shrapnel buckle and the fixing buckle; one end of the second metal shrapnel provided with elastic teeth snaps into the second metal shrapnel It is connected between the shell and the flexible light bar, and the other end is fastened to the fixing buckle on the positioning groove of the light bar through the positioning hole. In order to realize the power connection between two adjacent flexible light bars, a conductive pin connected to the power output line is arranged inside each light bar positioning slot, and the two light bar positioning slots in the same middle-end connector The conductive pins are electrically connected to each other.

Use the input terminal connection component to realize the active connection between the power supply and the flexible light strip, and then use the middle end connection component to realize the active connection between adjacent flexible light strips, thus realizing the free increase or decrease of the flexible light strip in the LED flexible light strip Change the length of the entire LED flexible light strip to meet the adaptability of the LED flexible light strip to the installation environment when it is installed and used. When in use, you only need to install a tail plug at the end of the last flexible light strip, and the entire flexible light strip can be waterproof, moisture-proof, and dust-proof, ensuring the service life of the LED flexible light strip. The schematic diagram of the structure of the tail plug is shown in Figure 12.

In order to facilitate the installation and fixing of each flexible light bar, the utility model also designs a special installation groove. The installation groove includes a through groove structure and an installation buckle with teeth on both side walls, and an installation aluminum groove that matches the lower end of the housing and covers the installation buckle; the upper end of the side wall of the installation aluminum groove A notch is provided on the opening, and a handshake for taking out the shell is provided at the upper end of the installation buckle, and the handshake is exposed at the notch. The assembly diagram between the installation groove and the flexible light bar is shown in Figure 4, and the structure diagrams of the installation aluminum groove and the installation buckle are shown in Figures 10 and 11 respectively.

The utility model realizes the free change of the length of the flexible light strip through the design of the input-end connection component and the middle-end connection component; and through the design of the soft light strip, it ensures the service life of the LED light and the light intensity during the working process. The effective utilization rate; As for the design of the installation groove, it greatly simplifies the installation and disassembly of the flexible light bar, and at the same time ensures the firmness and stability of the installation. The utility model has the advantages of ingenious structure, simple principle and convenient use, and has high practical value and prospect of popularization and application.

The foregoing embodiments are only preferred embodiments of the present utility model, and are not limitations of the protection scope of the present utility model, but all the design principles of the present utility model, and the changes made by non-creative work on this basis, all should belong to the present utility model. within the scope of the new protection.

Claims (10)

1. the high-voltage LED soft light bar based on FPC, it is characterized in that, including the power supply being built-in with control circuit, connect, by input, the soft light bar structure that assembly is flexibly connected with this power supply, it is buckled in the mounting groove in the middle part of this soft light bar structure, and closure is at the tail plug of this soft light bar structure tail portions; Described soft light bar structure includes at least two by the soft light bar of FPC extrusion moulding, and connects assembly flexible connection by middle-end between adjacent soft light bar.

2. a kind of high-voltage LED soft light bar based on FPC according to claim 1, it is characterised in that the input of described power supply is connected to attaching plug, outfan is then connected to and inserts the power supply output line that described soft light bar is internal and is electrically connected; Described input connects the inner shell that assembly includes being arranged on this power supply output line, the first connected with outer casing being arranged in described soft light bar to be socketed with this inner shell, and one end snaps between described first connected with outer casing and described soft light bar, the other end is buckled in the first metal clips on described inner shell outer surface.

3. a kind of high-voltage LED soft light bar based on FPC according to claim 2, it is characterized in that, described inner shell is placed on the termination of described soft light bar, it is provided with a clip on its outer surface, it is additionally provided with shell fragment buckle in the side of this clip, between this shell fragment buckle and clip, there is gap; Described first connected with outer casing is placed in described soft light bar, is provided with the fixing hole supporting with described clip at its side opening; Described first metal clips one end is inserted between described soft light bar and the first connected with outer casing, and it is provided with elastic latch, the other end is then provided with the location hole supporting with described clip, and be buckled on described clip by this hole, location, and the outer ledge in this hole, location snaps in the gap between described shell fragment buckle and clip.

4. a kind of high-voltage LED soft light bar based on FPC according to claim 3, it is characterised in that the outer ledge in hole, described location is additionally provided with baffle plate normal thereto; Described elastic latch is distributed on one end end face and the termination of described first metal clips.

5. a kind of high-voltage LED soft light bar based on FPC according to claim 4, it is characterised in that the position contacted with described elastic latch on the medial wall of described first connected with outer casing is additionally provided with reinforcement.

6. a kind of high-voltage LED soft light bar based on FPC according to claim 5, it is characterized in that, described middle-end connection assembly includes two and is respectively sleeved on adjacent soft light bar termination and second connected with outer casing identical with the first connected with outer casing structure, with a middle-end union joint supporting with two the second connected with outer casings respectively, and one end snaps between described second connected with outer casing and described soft light bar, the other end is buckled in the second metal clips on described middle-end union joint outer surface, and the second metal clips and the first metal clips structure identical.

7. a kind of high-voltage LED soft light bar based on FPC according to claim 6, it is characterised in that described middle-end union joint is identical by two structures and is respectively sleeved in the lamp bar locating slot of adjacent two soft light bar terminations and is symmetrical arranged and forms; The outer surface of described lamp bar locating slot is provided with clip, is additionally provided with shell fragment buckle in the side of this clip, between this shell fragment buckle and clip, there is gap; One end that described second metal clips is provided with elastic latch snaps between described second connected with outer casing and soft light bar, and the other end is then buckled on the clip on described lamp bar locating slot by hole, location.

8. a kind of high-voltage LED soft light bar based on FPC according to claim 7, it is characterised in that described inner shell and be provided with, inside lamp bar locating slot, the conductive pin being connected with power supply output line.

9. a kind of high-voltage LED soft light bar based on FPC according to claim 8, it is characterised in that described soft light bar includes shell and the FPC soft board being embedded in this shell and the LED being arranged on this FPC soft board and electrically connecting with described power supply output line; Described shell upper end is cylindrical, and lower end is rectangular structure, and top and bottom are extruded into one by translucent silica gel, and it is internal is hollow structure, and the lower end outer surface at shell is also wrapped on the silica gel that is in the light; Described FPC soft board is arranged on the lower end inside wall of described shell, and there is gap between the medial wall of LED and described shell.

10. a kind of high-voltage LED soft light bar based on FPC according to claim 9, it is characterized in that, described mounting groove includes the installation buckle for being provided with latch on groove structure and two side, and supporting with described shell lower end and cover the installation aluminum groove of described installation buckle; The sidewall upper of this installation aluminum groove is offered and is equipped with breach, and the upper end of described installation buckle is provided with for taking out shaking hands of described shell, and this is shaken hands and is exposed to described indentation, there.