Flat transmission cable with high protection performance

Abstract

The utility model relates to a flat transmission cable with strong protection. The problems that an existing transmission cable is low in transmission speed and unstable in signal are solved. The system comprises a video transmission line used for transmitting video information; the video transmission line comprises a coaxial wire, a first video insulating layer, a shielding layer and a second video insulating layer, the first video insulating layer is arranged outside the coaxial wire, and the shielding layer is arranged outside the first video insulating layer; the second video insulating layer is arranged on the outer side of the shielding layer; the data transmission line is used for data transmission, and the data transmission line and the video transmission line are arranged side by side; the reinforcing layer is arranged outside the video transmission line and the data transmission line; and the sheath layer is arranged on the reinforcing layer and is arranged in a flat shape. According to the utility model, the product is arranged to be flat, the tensile strength of the product is enhanced, and compared with a circular structure, the flat structure prolongs the service life of the cable, reduces the cost, and reduces the construction difficulty.

Description

TECHNICAL FIELD

[0001] The utility model relates to a video transmission line, concretely relates to a flat transmission cable with high protection. BACKGROUND

[0002] Wire and cable are used to transmit electricity (magnetic) energy, information and realize electromagnetic energy conversion wire products. Broad sense of wire and cable is also simply called cable, and narrow sense of cable is the insulated cable, which usually includes one or more insulated wire cores, and their respective possible cladding and outer sheath. The existing cable for video transmission has relatively simple structure, usually only includes data transmission line, does not include type-c interface line or USB interface line, thus makes the product function single, and when being used as vehicle-mounted, needs to additionally set line speed on the product, and connection is unreliable. Moreover, the existing video transmission cable is usually circular, needs larger opening under the same condition, and the wire harness is easy to sway, which affects the video data transmission performance. SUMMARY

[0003] To solve the problems of slow transmission speed and unstable signal of the existing transmission cable in the background art, the utility model provides a flat transmission cable with high protection.

[0004] The technical scheme of the utility model is: a flat transmission cable with high protection, comprising:

[0005] A video transmission line is used for video information transmission, wherein the video transmission line comprises a coaxial conductor, a first video insulating layer, a shielding layer and a second video insulating layer, the first video insulating layer is arranged outside the coaxial conductor, and the shielding layer is arranged outside the first video insulating layer; and the second video insulating layer is arranged outside the shielding layer.

[0006] A data transmission line is used for data transmission, and the data transmission line is arranged side by side with the video transmission line.

[0007] A reinforcing layer is arranged outside the video transmission line and the data transmission line.

[0008] A sheath layer is arranged outside the reinforcing layer and is arranged in a flat shape.

[0009] As a further improvement of the utility model, the data transmission line has two roots, and the two data transmission lines are arranged on both sides of the video transmission line.

[0010] As a further improvement of the utility model, the two data transmission lines are symmetrically arranged on both sides of the video transmission line, and the data transmission line and the video transmission line are arranged side by side and in a flat shape.

[0011] As a further improvement of the utility model, the data transmission line comprises at least two conductors, and each conductor is coated with a data insulation layer; the two conductors are arranged side by side with the coaxial conductor and are in a flat shape.

[0012] As a further improvement of the utility model, the conductors and the coaxial conductor are integrally formed by oxygen-free copper.

[0013] As a further improvement of the utility model, the data transmission line further comprises a ground wire, the ground wire is arranged outside the data insulation layer; and the data insulation layer is integrally formed by foamed polyethylene material.

[0014] As a further improvement of the utility model, the data transmission line further comprises a hot-melt mica, the hot-melt mica is arranged outside the ground wire and the data insulation layer and is tightly attached to the data insulation layer.

[0015] As a further improvement of the utility model, the shielding layer comprises an aluminum foil mica part and a braided part, the aluminum foil mica part is arranged outside the first video insulation layer, and the braided part is arranged outside the aluminum foil mica part.

[0016] As a further improvement of the utility model, the first video insulation layer is integrally formed by foamed polyethylene material, and the second video insulation layer is integrally formed by flexible polyvinyl chloride material.

[0017] As a further improvement of the utility model, the reinforcing layer is arranged outside the hot-melt mica and the second video insulation layer, and the reinforcing layer is integrally formed by flexible low-temperature polyvinyl chloride material.

[0018] The product is arranged in a flat shape, the tensile capacity of the product is improved, the service life of the cable is prolonged compared with a circular structure, the cost is reduced, and the construction difficulty is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] ATTACHED Figure 1 The utility model discloses a structure schematic view of an embodiment.

[0020] In the drawing, 1, video transmission line;11, coaxial conductor;12, first video insulation layer;13, shielding layer;131, aluminum foil mica part;132, braided part;14, second video insulation layer;2, data transmission line;21, conductor;22, data insulation layer;23, ground wire;24, hot-melt mica;3, reinforcing layer;4, sheath layer. DETAILED DESCRIPTION

[0021] The utility model discloses an embodiment is further explained below in connection with the drawings:

[0022] By Figure 1 As shown in figure, a kind of flat transmission cable of strong protection, comprising:

[0023] Video transmission line 1 for video information transmission;The video transmission line 1 includes coaxial conductor 11, first video insulating layer 12, shielding layer 13 and second video insulating layer 14, the first video insulating layer 12 is located coaxial conductor 11 outside, and the shielding layer 13 is located first video insulating layer 12 outside;Second video insulating layer 14 is located shielding layer 13 outside;

[0024] Data transmission line 2 for data transmission, and the data transmission line 2 is arranged side by side with video transmission line 1;

[0025] Reinforcing layer 3, the reinforcing layer 3 is located video transmission line 1 and data transmission line 2 outside;

[0026] Sheath layer 4, the sheath layer 4 is located reinforcing layer 3 and is arranged in flat shape.The utility model discloses beneficial effect is, a cable can install the function of 1 monitoring camera and 2 data transmission functions simultaneously, and the tensile capacity of video transmission cable is strengthened, and the service life of cable is more prolonged compared with round structure, reduces the shake, makes signal transmission more stable, reduces cost, reduces construction difficulty.Set up video transmission line, data transmission line can carry out video and data transmission, product adaptation range is wide, reduces wiring.The utility model also has the advantages such as simple structure, convenient assembly, reliable action, long service life.

[0027] The data transmission line 2 has two, and two data transmission lines 2 are located on the two sides of video transmission line 1.Specifically, two data transmission lines 2 are symmetrically arranged on the two sides of video transmission line 1, and the data transmission line 2 and video transmission line 1 are arranged side by side and in flat shape.The flat structure is more prolonged than the round structure The service life of cable, reduce size, reduce cost, reduce construction difficulty.And not easy to shake in actual use process, signal is reliable, transmission speed is fast.

[0028] The data transmission line 2 includes at least two conductors 21, and each conductor 21 is covered with a data insulating layer 22;Two conductors 21 are arranged side by side with coaxial conductor 11 and in flat shape.Specifically, the conductor 21 and coaxial conductor 11 are integrally formed by oxygen-free copper.The conductor and coaxial conductor made of oxygen-free copper have higher performance, faster transmission speed, more stable signal and other advantages.

[0029] The utility model also includes ground wire 23, ground wire 23 is located data insulating layer 22 outside, data insulating layer 22 adopts foamed polyethylene material integrated molding.

[0030] The shielding layer 13 includes an aluminum foil Mylar portion 131 and a braided portion 132, the aluminum foil Mylar portion 131 is wrapped outside the first video insulating layer 12, and the braided portion 132 is wrapped outside the aluminum foil Mylar portion 131. The shielding layer is wrapped in a double-layer shielding manner of aluminum foil Mylar and braiding, which improves the bending performance and shielding performance of the wire and reduces interference.

[0031] The first video insulating layer 12 is integrally formed of foamed polyethylene material, and the second video insulating layer 14 is integrally formed of flexible polyvinyl chloride material. The second video insulating layer is wrapped by flexible PVC insulation, which improves the bending performance of the wire. Specifically, the reinforcing layer 3 is wrapped outside the hot melt Mylar 24 and the second video insulating layer 14, and the reinforcing layer 3 is integrally formed of flexible low-temperature polyvinyl chloride material. The reinforcing layer can effectively resist the interference of electromagnetic waves on the wire, ensuring that the wire can still be used normally in harsh environments. Finally, the wire is wrapped by an outer insulating layer.

[0032] In the description of the utility model, it should be explained that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the utility model, it is necessary to explain that, unless another explicit provision and limitation, the term "installation", "connection", "connect" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0034] Skilled person should know: although the utility model has been described according to the above specific embodiment, the utility model idea of the utility model is not limited to this utility model, and any modification using the utility model idea will be included in the utility model patent protection scope.

Claims

1. A flat transmission cable with high protection, characterized in that: The utility model relates to a coaxial cable, which comprises a video transmission line (1) for video information transmission, a data transmission line (2) for data transmission, a reinforcing layer (3) and a sheath layer (4). The video transmission line (1) comprises a coaxial conductor (11), a first video insulating layer (12), a shielding layer (13) and a second video insulating layer (14). The first video insulating layer (12) is arranged outside the coaxial conductor (11), and the shielding layer (13) is arranged outside the first video insulating layer (12). The second video insulating layer (14) is arranged outside the shielding layer (13). The data transmission line (2) is arranged side by side with the video transmission line (1).

2. The flat transmission cable according to claim 1, wherein The reinforcing layer (3) is arranged outside the video transmission line (1) and the data transmission line (2).

3. The flat transmission cable of claim 2, wherein The sheath layer (4) is arranged outside the reinforcing layer (3) and is arranged in a flat shape.

4. The flat transmission cable of claim 1, wherein The data transmission line (2) comprises at least two conductors (21), and each conductor (21) is covered with a data insulating layer (22).

5. The flat transmission cable of claim 4, wherein The conductors (21) and the coaxial conductor (11) are integrally formed by using oxygen-free copper.

6. The flat transmission cable of claim 4, wherein The utility model further comprises a ground wire (23) arranged outside the data insulating layer (22).

7. The flat transmission cable of claim 6, wherein The data insulating layer (22) is integrally formed by using foamed polyethylene material.

8. The flat transmission cable of claim 1, wherein The utility model further comprises a hot melt mica (24) arranged outside the ground wire (23) and the data insulating layer (22) and closely attached to the data insulating layer (22).

9. The flat transmission cable of claim 1, wherein The shielding layer (13) comprises an aluminum foil mica part (131) and a woven part (132).

10. The flat transmission cable of claim 7, wherein The first video insulating layer (12) is integrally formed by using foamed polyethylene material, and the second video insulating layer (14) is integrally formed by using flexible polyvinyl chloride material. The reinforcing layer (3) is arranged outside the hot melt mica (24) and the second video insulating layer (14), and the reinforcing layer (3) is integrally formed by using flexible low-temperature polyvinyl chloride material.

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