Ultrathin flat cable
By setting windows and conductive material layers at both ends of the shielding layer of the flexible flat cable, and setting connection points on the connector to connect to the conductive material layer, the problem of large thickness of the shielding layer and the connector grounding structure in the prior art is solved, and a flat cable with ultra-thin and good stability is realized, which is suitable for thin and light electronic products.
Patent Information
- Application Number
- CN202420653007.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The shielding layer and the grounding structure of the existing flexible flat cables are relatively large, which is difficult to meet the strict requirements of thin and light electronic products for thickness.
An ultra-thin flat cable is designed. By setting windows at both ends of the shielding layer and setting a conductive material layer in the window, connecting points are set at the upper and lower ends of the connector to connect to the conductive material layer, the power connection structure of the shielding layer is realized.
The shielding layer has a clever power connection structure, small thickness and good connection stability. It can be well applied in light and light electronic products, providing stable signal connection and security protection.
Smart Images
Figure CN222600537U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connecting wires, in particular to an ultra-thin flat cable. Background Art
[0002] Nowadays, thin and light electronic products such as laptops and tablets are becoming more and more popular among consumers. Flexible flat cables are a new type of signal cable made of insulating materials and extremely thin flat copper wires, which are pressed together through high-tech automated equipment production lines. They are soft, can be bent and folded at will, are thin, have small size, and have fast heat dissipation. Therefore, flexible flat cables are often used in these thin and light electronic products.
[0003] However, the flexible flat cable has a shielding layer. In the prior art, the shielding layer of the flexible flat cable and the grounding structure of the connector are relatively thick. As the thickness requirements of electronic products become more and more stringent, the flexible flat cables in the prior art are increasingly difficult to meet the demand. Utility Model Content
[0004] The utility model aims to at least solve the technical problems existing in the prior art. To this end, the utility model proposes an ultra-thin flat cable, the shielding layer has an ingenious electrical connection structure, a small thickness, good connection stability, and can be well applied in light and thin electronic products.
[0005] An ultra-thin flat cable according to an embodiment of the utility model includes a conductor layer, an insulating layer, a shielding layer and a connector, wherein the insulating layer is arranged on the periphery of the conductor layer, and both ends of the conductor layer extend out of the insulating layer, a plurality of terminals are arranged in the connector, both ends of the conductor layer are connected to the terminals, the shielding layer is arranged on the upper and lower sides of the insulating layer, windows are arranged on both ends of the shielding layer, conductive material layers are arranged in the windows, and connection points are arranged on the upper and lower ends of the connector, and the connection points are connected to the conductive material layer.
[0006] An ultra-thin flat cable according to an embodiment of the utility model has at least the following beneficial effects: the utility model sets a conductor layer, the conductor layer is used to transmit current and electrical signals, the insulating layer can insulate the conductor layer from the outside, the shielding layer prevents electromagnetic interference, and ensures the stability of the signal connection. The present application sets windows at both ends of the shielding layer, and conductive material layers are set in the windows. Connection points are set at the upper and lower ends of the connector, and the connection points are connected to the conductive material layer. The connector is directly connected to the conductive material through the connection points. If the cable is damaged during use and leakage occurs, the shielding layer can lead the leaked current to the connector, and the connector is grounded through the electronic product to play a role in safety protection. The power connection structure of the shielding layer of the utility model is ingenious, the thickness is small, and the connection stability is good, so it can be well used in light and thin electronic products.
[0007] According to some embodiments of the present invention, the conductive material layer is made of tinned copper foil, and the connection points are all welded to the conductive material layer.
[0008] According to some embodiments of the present invention, two connection points are provided at both the upper and lower ends of the connector, and both connection points are welded to the conductive material layer.
[0009] According to some embodiments of the present invention, the insulating layer includes a first glue layer and a first PET layer which are sequentially arranged from the inside to the outside, and the first PET layer is press-connected to the conductor through the first glue layer.
[0010] According to some embodiments of the present invention, the insulating layer is disposed on both the upper and lower sides of the conductor layer, and the upper and lower insulating layers are bonded and connected by two first adhesive layers.
[0011] According to some embodiments of the present invention, the shielding layer includes a second adhesive layer, a shielding material layer and a second PET layer which are sequentially arranged from the inside to the outside, and the shielding material layer is made of aluminum or copper.
[0012] According to some embodiments of the present invention, the conductor layer includes a plurality of first conductors, each of which has a rectangular cross-section, and the plurality of first conductors are spaced and distributed.
[0013] According to some embodiments of the present invention, the conductor layer further includes a second conductor, and a cross-section of the second conductor is circular.
[0014] According to some embodiments of the present invention, the thickness of the insulating layer and the thickness of the shielding layer to which it belongs are 80 μm-120 μm.
[0015] According to some embodiments of the utility model, a through hole is provided at one end of the connector close to the shielding layer, and the through hole passes through the left and right ends of the connector. A connecting hole is provided at the front end of the connector, and the connecting hole is connected to the through hole. The connection point is arranged in the connecting hole. An iron shell is provided on the outside of the connector, and a connecting strip is provided at the front end of the iron shell. The connecting strip passes through the through hole and is connected at the connection point.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0018] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.
[0019] Figure 2 for Figure 1 A cross-sectional view along line A'-A" in FIG.
[0020] Figure 3 A schematic diagram of a structure in which the shielding material layer is hidden in an embodiment of the utility model
[0021] Figure 4 It is a top view of a connector according to an embodiment of the present invention.
[0022] Figure 5 It is a cross-sectional view of another embodiment of the utility model.
[0023] Figure 6 This is a top view of a connector according to another embodiment of the present invention.
[0024] Figure numerals: 1. conductor layer, 2. insulation layer, 3. shielding layer, 4. connector, 5. conductive layer material, 11. first conductor, 12. second conductor, 13. third conductor, 21. first adhesive layer, 22. first PET layer, 31. second adhesive layer, 32. shielding material layer, 33. second PET layer, 34. window, 41. terminal, 42. connection point. DETAILED DESCRIPTION
[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0026] In the description of the present invention, it should be understood that the descriptions involving orientation, such as up, down, left, right, front, back, etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0027] In the description of the utility model, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0029] like Figure 1-Figure 4 As shown, the embodiment of the utility model provides an ultra-thin flat cable.
[0030] An ultra-thin flat cable comprises a conductor layer 1, an insulating layer 2, a shielding layer 3 and a connector 4, wherein the insulating layer 2 is arranged on the periphery of the conductor layer 1, and both ends of the conductor layer 1 extend out of the insulating layer 2, a plurality of terminals 41 are arranged in the connector 4, and both ends of the conductor layer 1 are connected to the terminals 41, the shielding layer 3 is arranged on the upper and lower sides of the insulating layer 2, windows are arranged at both ends of the shielding layer 3, and conductive material layers 31 are arranged in the windows, and connection points 42 are arranged on the upper and lower ends of the connector 4, and the connection points 42 are connected to the conductive material layer 31.
[0031] The utility model sets a conductor layer 1, which is used to transmit current and electrical signals. The insulating layer 2 can insulate the conductor layer 1 from the outside. The shielding layer 3 prevents electromagnetic interference and ensures the stability of the signal connection. The present application sets windows 34 at both ends of the shielding layer 3, and conductive material layers 31 are set in the windows 34. Connection points 42 are set at the upper and lower ends of the connector 4, and the connection points 42 are connected to the conductive material layer 5. The connector 4 is directly connected to the conductive material layer 31 through the connection points 42. If the cable is damaged during use and leakage occurs, the shielding layer 3 can lead the leaked current to the connector 4, and the connector 4 is grounded through the electronic product to play a role in safety protection. The shielding layer 3 of the utility model has an ingenious power connection structure, a small thickness, and good connection stability, and can be well used in light and thin electronic products.
[0032] In the ultra-thin flat cable described in this embodiment, the conductive material layer 31 is made of tinned copper foil, and the connection points 42 are all welded to the conductive material layer 31. Specifically, the connector 4 is directly welded to the tinned copper foil by spot welding, which is convenient for processing, and the connection points 42 are arranged at the edge of the connector 4 close to the conductive material.
[0033] Furthermore, the conductive material layer 31 is arranged in such a manner that a window is firstly opened by laser on the shielding layer 3, and then a tinned copper foil is attached to the window 34. It is understandable that the bottom of the tinned copper foil is embedded in the window 34, and the top of the tinned copper foil is extended to the location of the connection point 42 of the connector 4, and is welded to the connection point 42.
[0034] In the ultra-thin flat cable described in this embodiment, two connection points 42 are provided at both the upper and lower ends of the connector 4, and the two connection points 42 are welded to the conductive material layer 31. Specifically, two connection points 42 are provided at both the upper and lower ends of the connector 4, and the two connection points 42 at each end are symmetrically arranged at the left and right ends of the connector 4. Through the above arrangement, the connector 4 is stably connected to the conductive material layer 31, and the connector 4 is not easy to fall off, thereby improving the service life.
[0035] In the ultra-thin flat cable described in this embodiment, the insulating layer 2 includes a first adhesive layer 21 and a first PET layer 22 arranged in sequence from the inside to the outside, and the first PET layer 22 is pressed and connected to the conductor through the first adhesive layer 21. Specifically, the material of the first adhesive layer 21 is hot melt adhesive or self-adhesive adhesive, and the above arrangement has good bonding properties.
[0036] In the ultra-thin flat cable described in this embodiment, the insulating layer 2 is disposed on both the upper and lower sides of the conductor layer 1, and the upper and lower insulating layers 2 are bonded and connected by two first adhesive layers 21. Specifically, the above structure has good stability and is easy to process.
[0037] In the ultra-thin flat cable described in this embodiment, the shielding layer 3 includes a second adhesive layer 31, a shielding material layer 32 and a second PET layer 33 arranged in sequence from the inside to the outside, and the shielding material layer 32 is made of aluminum or copper. Specifically, the second adhesive layer 31 is made of hot melt adhesive or self-adhesive adhesive, and the above arrangement has good bonding properties.
[0038] In the ultra-thin flat cable described in this embodiment, the thickness of the insulating layer 2 is 80 μm-120 μm.
[0039] In the ultra-thin flat cable described in this embodiment, the thickness of the shielding layer 3 is 80 μm-120 μm.
[0040] In the ultra-thin flat cable described in this embodiment, the conductor layer 1 includes a plurality of first conductors 11 . The cross-sections of the first conductors 11 are all rectangular, and the plurality of first conductors 11 are spaced and distributed.
[0041] like Figure 5 As shown, in some embodiments, the conductor layer 1 further includes a second conductor 12, and the cross section of the second conductor 12 is circular. Specifically, the second conductor 12 can carry a larger current. The conductor layer 1 further includes a third conductor 13, and the cross section of the third conductor 13 is square, and the cross-sectional area of the third conductor 13 is greater than the cross-sectional area of the first conductor 11. Specifically, the third conductor 13 can carry a larger current.
[0042] In some embodiments, the shielding layer 3 is wrapped around the outer periphery of the insulating layer 2. Specifically, the above configuration enables the shielding layer 3 to completely cover the insulating layer 2, and the shielding effect is good.
[0043] refer to Figure 6 In some embodiments, a through hole is provided at one end of the connector 4 close to the shielding layer 3, and the through hole passes through the left and right ends of the connector 4. A connection hole 43 is provided at the front end of the connector 4, and the connection hole 43 is communicated with the through hole. The connection point 42 is arranged in the connection hole 43. An iron shell 44 is provided outside the connector 4, and a connecting bar 45 is provided at the front end of the iron shell 44. The connecting bar 45 is passed through the through hole and connected at the connection point 43. Specifically, the connecting bars 45 are provided at both the left and right ends of the iron shell 44, and the connecting bars 45 are extended into the through hole to be welded to the two connection points 43 respectively, and the iron shell 44 can be connected to an external device.
[0044] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. An ultra-thin flat cable, comprising a conductor layer, an insulating layer, a shielding layer and a connector, characterized in that: The insulating layer is arranged on the periphery of the conductor layer, and the two ends of the conductor layer extend out of the insulating layer. A plurality of terminals are arranged in the connector, and the two ends of the conductor layer are connected to the terminals. The shielding layer is arranged on the upper and lower sides of the insulating layer, and windows are arranged at both ends of the shielding layer. Conductive material layers are arranged in the windows. Connection points are arranged at the upper and lower ends of the connector, and the connection points are connected to the conductive material layer.
2. The ultra-thin flat cable according to claim 1, characterized in that: The conductive material layer is made of tinned copper foil, and the connection points are all welded to the conductive material layer.
3. The ultra-thin flat cable according to claim 2, characterized in that: Two connection points are arranged at the upper and lower ends of the connector, and the two connection points are welded to the conductive material layer.
4. The ultra-thin flat cable according to claim 1, characterized in that: The insulating layer comprises a first glue layer and a first PET layer which are sequentially arranged from the inside to the outside, and the first PET layer is pressed and connected with the conductor through the first glue layer.
5. The ultra-thin flat cable according to claim 4, characterized in that: The insulating layer is disposed on both the upper and lower sides of the conductor layer, and the upper and lower insulating layers are bonded and connected by two first adhesive layers.
6. The ultra-thin flat cable according to claim 1, characterized in that: The shielding layer includes a second adhesive layer, a shielding material layer and a second PET layer which are sequentially arranged from the inside to the outside. The shielding material layer is made of aluminum or copper.
7. The ultra-thin flat cable according to claim 1, characterized in that: The conductor layer includes a plurality of first conductors, each of which has a rectangular cross section, and the plurality of first conductors are spaced and distributed.
8. The ultra-thin flat cable according to claim 7, characterized in that: The conductor layer further includes a second conductor, and a cross section of the second conductor is circular.
9. The ultra-thin flat cable according to claim 1, characterized in that: The thickness of the insulating layer and the corresponding shielding layer is 80 μm-120 μm.
10. The ultra-thin flat cable according to claim 1, characterized in that: A through hole is provided at one end of the connector close to the shielding layer, and the through hole passes through the left and right ends of the connector. A connecting hole is provided at the front end of the connector, and the connecting hole is communicated with the through hole. The connecting point is arranged in the connecting hole. An iron shell is provided on the outside of the connector, and a connecting strip is provided at the front end of the iron shell. The connecting strip passes through the through hole and is connected at the connecting point.