Flexible printed circuit (FPC) soft lamp strip for new energy charging pile

Abstract

The utility model provides an FPC (flexible printed circuit) soft lamp strip for a new energy charging pile, which comprises substrates and LED (light-emitting diode) lamp beads, a plurality of LED lamp beads are arranged at one end of each substrate at intervals, welding spots are arranged below the other end of each substrate at intervals, adjacent substrates are connected through the welding spots, each substrate comprises a PI (polyimide) base layer, an original copper layer, a bonding layer and a PI insulating layer, a PI insulating layer, a bonding layer, original copper layers and a PI base layer are sequentially combined into a whole from outside to inside, the number of the original copper layers is two, the thickness of one original copper layer is larger than that of the other original copper layer, the thicker original copper layer bears high current, the service life of the product is long, meanwhile, the PI insulating layer is arranged to achieve the waterproof and wear-resistant effects, and the service life is further prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lighting, and more specifically, to an FPC flexible light strip for a new energy charging pile. Background Art

[0002] LED light sources have the advantages of long service life (100,000 hours), high color purity, high color reproducibility, high brightness, being not afraid of low temperature, strong adaptability, good reliability, no mercury pollution, low power consumption, low heat generation, etc. With the continuous progress of LED technology and the continuous improvement of brightness, LEDs will become the mainstream devices for backlight lighting.

[0003] The patent closest to the prior art, publication number: CN104501021A, an LED flexible light strip, includes a flexible light strip main body and a transparent soft rubber sleeve sleeved outside the flexible light strip main body. The flexible light strip main body includes an FPC substrate. A plurality of LED lamp beads are arranged on the FPC substrate. Copper foils are pasted on the FPC substrate. The plurality of LED lamp beads on each FPC substrate are connected in series through the copper foils to form a loop. A meter mark for indicating length is arranged on the FPC substrate. The meter mark is arranged between two LED lamp beads or at the end of the FPC substrate. The length of the FPC substrate is greater than that of the copper foil. A blank section is formed at the end of the FPC substrate. A scissor mark is arranged on the blank section. A soldering point of a connecting wire is arranged between the LED lamp bead and the scissor mark.

[0004] Existing LED flexible light strips cannot carry a high current, cannot meet high current requirements, and the surface of the product is easily scratched, resulting in a low service life.

[0005] In view of this, the utility model provides an FPC flexible light strip for a new energy charging pile, which has a high current-carrying capacity, is waterproof and wear-resistant. Summary of the Utility Model

[0006] The utility model provides an FPC flexible light strip for a new energy charging pile, which has a high current-carrying capacity, is waterproof and wear-resistant.

[0007] An FPC flexible light strip for a new energy charging pile includes a substrate 1 and LED lamp beads. A plurality of LED lamp beads are arranged at one end of the substrate 1 at intervals. Solder joints are arranged at intervals below the other end of the substrate 1. Adjacent substrates 1 are connected through the solder joints. The substrate 1 includes a PI base layer 2, a raw copper layer 3, an adhesive layer 4, and a PI insulating layer 5, which are combined into one body in sequence from the outside to the inside by the PI insulating layer 5, the adhesive layer 4, the raw copper layer 3, and the PI base layer 2. There are 2 layers of the raw copper layer 3, and the thickness of one layer of the raw copper layer 3 is greater than that of the other layer of the raw copper layer 3.

[0008] Further, one layer of the raw copper layer 3 is the back surface, and the thickness of this layer is 105 μm.

[0009] Further, the thickness of the other original copper layer 3 is the front side, and the thickness of this layer is 35 μm.

[0010] Further, the material of the original copper layer 3 is copper.

[0011] Further, a metal plating layer 6 is also provided between each original copper layer 3 and each adhesive layer 4, which plays a role in assisting heat dissipation.

[0012] Further, the material of the metal plating layer 6 is one of gold or copper.

[0013] Further, the thickness of the metal plating layer 6 is 10 μm.

[0014] Further, the material of the PI insulating layer 5 is a white PI film, which plays a role in waterproofing and abrasion resistance.

[0015] Further, the thickness of the PI insulating layer 5 is 25 μm.

[0016] Further, the adhesive layer 4 is one of acrylic acid or epoxy resin.

[0017] The beneficial effects of the present utility model: The present utility model provides an FPC flexible light strip for a new energy charging pile, including a substrate 1 and LED lamp beads. A plurality of LED lamp beads are arranged at intervals at one end of the substrate 1, and solder joints are arranged at intervals below the other end of the substrate 1. Adjacent substrates 1 are connected through the solder joints. It is characterized in that: the substrate 1 includes a PI base layer 2, an original copper layer 3, an adhesive layer 4, and a PI insulating layer 5, which are combined into one body in sequence from the outside to the inside by the PI insulating layer 5, the adhesive layer 4, the original copper layer 3, and the PI base layer 2. There are 2 original copper layers 3, and the thickness of one original copper layer 3 is greater than that of the other original copper layer 3. The thicker original copper layer bears high current, and the product has a long service life. At the same time, the PI insulating layer 5 is provided to achieve waterproof and wear-resistant effects, further improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a cross-sectional schematic view of an FPC flexible light strip for a new energy charging pile according to the present application.

[0019] MAIN ELEMENT SYMBOL DESCRIPTION

[0020] Substrate 1, PI base layer 2, original copper layer 3, adhesive layer 4, PI insulating layer 5, metal plating layer 6.

[0021] The following specific embodiments will further illustrate the present utility model in conjunction with the above drawings. SPECIFIC EMBODIMENTS

[0022] The following embodiments are described to assist in the understanding of the present application. The embodiments are not and should not be construed in any way as limiting the scope of protection of the present application.

[0023] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).

[0024] At the same time, the connections between components or systems are not intended to be limited to direct connections. Instead, the data between these components may be modified, reformatted, or otherwise changed by intermediate components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled", "connected", or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections. Embodiment 1:

[0025] As Figure 1 shown, it is a cross-sectional schematic diagram of an FPC flexible light strip for a new energy charging pile of the present application.

[0026] An FPC flexible light strip for a new energy charging pile includes a substrate 1 and LED lamp beads. A plurality of LED lamp beads are arranged at one end of the substrate 1 at intervals, and solder joints are arranged at intervals below the other end of the substrate 1. Adjacent substrates 1 are connected through the solder joints. It is characterized in that: the substrate 1 includes a PI base layer 2, a raw copper layer 3, an adhesive layer 4, and a PI insulating layer 5, which are combined into one body in sequence from the outside to the inside by the PI insulating layer 5, the adhesive layer 4, the raw copper layer 3, and the PI base layer 2. There are 2 layers of the raw copper layer 3, and the thickness of one layer of the raw copper layer 3 is greater than that of the other layer of the raw copper layer 3.

[0027] One layer of the raw copper layer 3 is the back, and the thickness of this layer is 105 μm.

[0028] The thickness of the other layer of the raw copper layer 3 is the front, and the thickness of this layer is 35 μm.

[0029] The material of the raw copper layer 3 is copper.

[0030] A metal plating layer 6 is also provided between each raw copper layer 3 and each adhesive layer 4, which plays a role in assisting heat dissipation.

[0031] The material of the metal plating layer 6 is one of gold or copper.

[0032] The thickness of the metal plating layer 6 is 10 μm.

[0033] The material of the PI insulating layer 5 is a white PI film, which plays a role in waterproofing and wear resistance.

[0034] The thickness of the PI insulating layer 5 is 25 μm.

[0035] The adhesive layer 4 is one of acrylic acid or epoxy resin.

[0036] The beneficial effects of the present utility model: The present utility model provides an FPC flexible light strip for a new energy charging pile, which includes a substrate 1 and LED lamp beads. A plurality of LED lamp beads are arranged at one end of the substrate 1 at intervals, and solder joints are arranged at intervals below the other end of the substrate 1. The adjacent substrates 1 are connected through the solder joints. It is characterized in that: the substrate 1 includes a PI base layer 2, an original copper layer 3, an adhesive layer 4, and a PI insulating layer 5, which are combined into one body in sequence from the outside to the inside by the PI insulating layer 5, the adhesive layer 4, the original copper layer 3, and the PI base layer 2. There are 2 layers of the original copper layer 3, and the thickness of one layer of the original copper layer 3 is greater than that of the other layer of the original copper layer 3. The thicker layer of the original copper layer is used to carry high current, and the service life of the product is long. At the same time, the PI insulating layer 5 is provided to achieve waterproof and wear-resistant effects, further improving the service life.

[0037] Although the present application has disclosed multiple aspects and embodiments, other aspects and embodiments will be obvious to those skilled in the art. Without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. The multiple aspects and embodiments disclosed in the present application are only used for illustration, and they are not intended to limit the present application. The actual protection scope of the present application is subject to the claims.

Claims

1. An FPC soft light strip for a new energy charging pile, comprising a substrate (1) and LED lamp beads, wherein a plurality of LED lamp beads are arranged at intervals at one end of the substrate (1), and welding points are arranged at intervals below the other end of the substrate (1), and adjacent substrates (1) are connected via welding points, characterized in that: The substrate (1) comprises a PI base layer (2), a raw copper layer (3), an adhesive layer (4), and a PI insulating layer (5), which are sequentially combined from the outside to the inside into one body by the PI insulating layer (5), the adhesive layer (4), the raw copper layer (3), and the PI base layer (2), wherein the raw copper layer (3) has two layers, and one of the raw copper layers (3) is thicker than the other raw copper layer (3).

2. The FPC soft light strip for a new energy charging pile as claimed in claim 1, characterized in that: The original copper layer (3) is the back side, and the thickness of the layer is 105 μm.

3. The FPC soft light strip for new energy charging pile according to claim 1, characterized in that: The thickness of the other original copper layer (3) is on the front side, and the thickness of this layer is 35 μm.

4. The FPC soft light strip for a new energy charging pile according to claim 1, characterized in that: The material of the original copper layer (3) is copper.

5. The FPC soft light strip for a new energy charging pile according to claim 1, characterized in that: A metal-plated layer (6) is also provided between each original copper layer (3) and each adhesive layer (4) to assist in heat dissipation.

6. The FPC soft light strip for a new energy charging pile as claimed in claim 5, characterized in that: The material of the metal-plated layer (6) is gold or copper.

7. The FPC soft light strip for a new energy charging pile as claimed in claim 5, characterized in that: The thickness of the metal plating layer (6) is 10 μm.

8. The FPC soft light strip for a new energy charging pile according to claim 1, characterized in that: The material of the PI insulating layer (5) is a white PI film, which has waterproof and wear-resistant effects.

9. The FPC soft light strip for a new energy charging pile according to claim 1, characterized in that: The PI insulating layer (5) has a thickness of 25 μm.

10. The FPC soft light strip for new energy charging pile according to claim 1, characterized in that: The adhesive layer (4) is one of acrylic acid or epoxy resin.

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