Cable with shielding structure

Abstract

The utility model relates to the technical field of cables, and discloses a cable with a shielding structure, which comprises a cable main body, the cable main body comprises a lead body and an external armor layer, the cable main body is made of low-smoke halogen-free materials, a lead mounting sleeve is wrapped outside the lead body, a copper wire gauze is wrapped outside the lead mounting sleeve, and a shielding layer is arranged outside the copper wire gauze. And an aluminum foil filling layer is filled between the wire mounting sleeve and the wire body. According to the utility model, through arranging the lead mounting sleeve, the aluminum foil filling layer, the first shielding layer, the second shielding layer and the third shielding layer, by adopting the design, in actual use, electromagnetic waves can be effectively reflected and absorbed and interference can be reduced by wrapping the lead mounting sleeve with the copper wire gauze; stable transmission of signals can be ensured, and external electromagnetic interference can be more effectively shielded through a multi-layer shielding structure of the first shielding layer, the second shielding layer and the third shielding layer.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically to a cable with a shielding structure. Background Art

[0002] Most traditional cables used for general power transmission or basic electrical connections do not have a special shielding structure. The main structure of these cables includes conductors, insulation layers and outer sheaths, which are used to achieve basic power transmission and electrical isolation functions. However, for some special application scenarios, such as high-frequency signal transmission, environments with severe electromagnetic interference, or occasions that require precise signal transmission, this simple structure cannot prevent external electromagnetic fields from interfering with the internal signals of the cable.

[0003] Therefore, in view of this, research and improvement are conducted on the existing structure and defects, and a cable with a shielding structure is provided, in order to achieve the purpose of having more practical value. Utility Model Content

[0004] In order to overcome the above defects in the prior art, the utility model provides a cable with a shielding structure to solve the problem in the above background technology that the traditional cable does not have a shielding structure.

[0005] The utility model provides the following technical solutions: a cable with a shielding structure, comprising a cable body, the cable body comprising a conductor body and an external armor layer, the cable body being made of low-smoke halogen-free material, the conductor body being wrapped with a conductor installation sleeve, the conductor installation sleeve being wrapped with a copper wire mesh, an aluminum foil filling layer being filled between the conductor installation sleeve and the conductor body, the conductor installation sleeve being sequentially covered with a first shielding layer, a second shielding layer and a third shielding layer. In actual use, by wrapping the copper wire mesh on the outside of the conductor installation sleeve, electromagnetic waves can be effectively reflected and absorbed, interference can be reduced, and the setting of the aluminum foil filling layer can be used. Ensure stable signal transmission, and at the same time, the multi-layer shielding structure of the first shielding layer, the second shielding layer and the third shielding layer can more effectively shield external electromagnetic interference. Through the above-mentioned setting, it is effectively solved that most of the traditional cables used for general power transmission or basic electrical connections do not have a special shielding structure. The main structures of these cables include conductors, insulation layers and outer sheaths, which are used to achieve basic power transmission and electrical isolation functions. However, for some special application scenarios, such as high-frequency signal transmission, environments with severe electromagnetic interference, or occasions requiring precise signal transmission, this simple structure cannot prevent the external electromagnetic field from interfering with the internal signals of the cable.

[0006] Furthermore, the thicknesses of the first shielding layer, the second shielding layer and the third shielding layer are 20MM, 40MM and 25MM respectively.

[0007] Furthermore, a ceramic insulation layer is provided between the wire installation sleeve and the first shielding layer, which has good insulation performance and high temperature resistance to ensure the safety and stability of the cable.

[0008] Furthermore, the ceramic insulating layer is a double layer.

[0009] Furthermore, the inner core of the conductor body is a twisted structure, which improves the strength of use.

[0010] Furthermore, the outer armor layer is provided with spoiler grooves to improve wind resistance performance.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model is provided with a wire installation sleeve, an aluminum foil filling layer, a first shielding layer, a second shielding layer and a third shielding layer. In actual use, by adopting this design, by wrapping a copper wire mesh on the outside of the wire installation sleeve, it can effectively reflect and absorb electromagnetic waves and reduce interference. The setting of the aluminum foil filling layer can ensure stable signal transmission. At the same time, the multi-layer shielding structure of the first shielding layer, the second shielding layer and the third shielding layer can more effectively shield external electromagnetic interference. In this way, through the above-mentioned setting, the problem of traditional cables used for general power transmission or basic electrical connections, most of which do not have a special shielding structure, is effectively solved. The main structures of these cables include conductors, insulating layers and outer sheaths, which are used to achieve basic power transmission and electrical isolation functions. However, for some special application scenarios, such as high-frequency signal transmission, environments with severe electromagnetic interference or occasions requiring precise signal transmission, this simple structure cannot prevent the interference of external electromagnetic fields on the internal signals of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 It is a schematic top view of the structure of the utility model.

[0015] Figure 3 It is a three-dimensional schematic diagram of the internal structure of the wire body of the utility model.

[0016] In the figure: 100, cable body; 110, conductor body; 111, conductor installation sleeve; 112, aluminum foil filling layer; 113, ceramic insulation layer; 114, first shielding layer; 115, second shielding layer; 116, third shielding layer; 117, external armor layer; 118, spoiler groove. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0018] Embodiment 1: The utility model provides a cable with a shielding structure, including a cable body 100, the cable body 100 includes a conductor body 110 and an external armor layer 117, the cable body 100 is made of low-smoke halogen-free material, the outside of the conductor body 110 is wrapped with a conductor installation sleeve 111, the outside of the conductor installation sleeve 111 is wrapped with a copper wire mesh, an aluminum foil filling layer 112 is filled between the conductor installation sleeve 111 and the conductor body 110, and the outside of the conductor installation sleeve 111 is sequentially covered with a first shielding layer 114, a second shielding layer 115 and a third shielding layer 116.

[0019] In actual use, by wrapping a copper wire mesh on the outside of the conductor installation sleeve 111, electromagnetic waves can be effectively reflected and absorbed to reduce interference. The setting of the aluminum foil filling layer 112 can ensure stable signal transmission. At the same time, the multi-layer shielding structure of the first shielding layer 114, the second shielding layer 115 and the third shielding layer 116 can more effectively shield external electromagnetic interference. In this way, through the above-mentioned setting, the problem of traditional cables used for general power transmission or basic electrical connections, most of which do not have a special shielding structure, is effectively solved. The main structures of these cables include conductors, insulating layers and outer sheaths, which are used to achieve basic power transmission and electrical isolation functions. However, for some special application scenarios, such as high-frequency signal transmission, environments with severe electromagnetic interference, or occasions requiring precise signal transmission, this simple structure cannot prevent the interference of external electromagnetic fields on the internal signals of the cable.

[0020] Embodiment 2:

[0021] The difference between Example 2 and Example 1 is that the thicknesses of the first shielding layer 114, the second shielding layer 115 and the third shielding layer 116 are 20MM, 40MM and 25MM respectively, a ceramic insulation layer 113 is arranged between the wire installation sleeve 111 and the first shielding layer 114, the ceramic insulation layer 113 is a double-layer, the internal core of the wire body 110 is a twisted structure, and a spoiler groove 118 is arranged on the external armor layer 117.

[0022] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0023] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0024] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A cable with a shielding structure, comprising a cable body (100), wherein the cable body (100) comprises a conductor body (110) and an outer armor layer (117), wherein the cable body (100) is made of a low-smoke zero-halogen material, and wherein: The outside of the wire body (110) is wrapped with a wire installation sleeve (111), the outside of the wire installation sleeve (111) is wrapped with a copper wire mesh, an aluminum foil filling layer (112) is filled between the wire installation sleeve (111) and the wire body (110), and the outside of the wire installation sleeve (111) is sequentially covered with a first shielding layer (114), a second shielding layer (115) and a third shielding layer (116).

2. The cable with a shielding structure according to claim 1, characterized in that: The thicknesses of the first shielding layer (114), the second shielding layer (115) and the third shielding layer (116) are 20MM, 40MM and 25MM respectively.

3. The cable with a shielding structure according to claim 1, characterized in that: A ceramic insulating layer (113) is provided between the wire installation sleeve (111) and the first shielding layer (114).

4. The cable with a shielding structure according to claim 3, characterized in that: The ceramic insulating layer (113) is a double layer.

5. The cable with a shielding structure according to claim 1, characterized in that: The inner core of the conductor body (110) is a twisted structure.

6. The cable with a shielding structure according to claim 1, characterized in that: The outer armor layer (117) is provided with a spoiler groove (118).

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