Coaxial cable for low frequency

A coaxial cable and low-frequency technology, applied in the field of coaxial cables, can solve problems such as not being able to effectively reflect the concise structure, and achieve the effects of reducing material consumption, saving resources, and facilitating on-site construction

Inactive Publication Date: 2010-10-20
CHANGSHU HONGLIN WIRE & CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The coaxial cable with this patented structure has not yet completely got rid of the design style of the coaxial cable used under high frequency conditions, so it is still not enough

Method used

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  • Coaxial cable for low frequency
  • Coaxial cable for low frequency
  • Coaxial cable for low frequency

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0021] Example 1:

[0022] Please see figure 1 with figure 2 , See first figure 1 , A group of 8 cable cores 1 is given, an aluminum composite tape overall shielding layer 2 is provided outside the group of cable cores 1, and a braided overall shielding layer 3 is provided outside the aluminum composite tape overall shielding layer 2. The braided overall shielding layer 3 is extruded to cover the sheath layer 4 according to the method commonly used in the wire and cable industry, and the sheath layer 4 can also be called an outer sheath. In a preferred solution, a tear line 41 can also be designed on the sheath layer 4 to facilitate tearing during use.

[0023] See specifically figure 2 ,in figure 2 The specific structure of the aforementioned set (the number is 8) of the cable core 1 is shown in. Since the structures of the 8 cable cores 1 are the same, the applicant chooses figure 2 One of the illustrated cable cores 1 is described in detail as follows. An insulating layer 1...

Example Embodiment

[0025] Example 2:

[0026] in figure 2 The composite tape 13 of the cable core 1 of the structure shown is provided with a polyester wrapping layer 5 outside, which can be omitted under normal circumstances, as is the structure of Example 1. The rest are the same as the description of Embodiment 1.

[0027] It can be seen from Examples 1 and 2, that compared with the prior art CN201402673Y mentioned above, the technical solution provided by the present invention saves a layer of composite tape (the prior art uses a double-layer metal composite tape) and a layer of The outermost inner sheath of cable core 1. As a result, the overall diameter of the coaxial cable can be further reduced, which is not only conducive to construction operations, but also saves raw materials during manufacturing to reflect resource conservation. In particular, even if a layer of composite tape and inner sheath is omitted, it will not have any effect on the performance.

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Abstract

The invention relates to a coaxial cable for low frequency, belonging to the technical field of communication cables. The coaxial cable comprises a group of cable cores, a total shielding layer of an aluminum composite strip, a total weaving shielding layer and a sheath layer, wherein the total shielding layer of the aluminum composite strip is located outside the group of cable cores, the total weaving shielding layer is located outside the total shielding layer of the aluminum composite strip, and the sheath layer is located outside the total weaving shielding layer. The coaxial cable is characterized in that each of the cable cores comprises a conductor, an insulating layer, a composite strip and a ground wire, wherein the insulating layer is located outside the conductor, the composite strip is located outside the insulating layer, the ground wire is located between the insulating layer and the composite strip, and the composite strip is formed by a polyester strip and a metallic layer combined at the surface of one side of the polyester strip. The invention has the advantage of simplified structure, which ensures that the whole diameter of the formed coaxial cable is reduced, thereby facilitating site construction and being beneficial to reducing material consumption so as to save resources.

Description

technical field [0001] The invention belongs to the technical field of communication cables, and in particular relates to a low-frequency coaxial cable. Background technique [0002] A large number of technical solutions related to coaxial cables can be found in Chinese patent documents, such as CN1126193C discloses a high-frequency transmitting coaxial cable, CN201281983Y discloses an anti-interference coaxial cable, CN201274197Y introduces a high-frequency coaxial cable, and CN201298399Y recommends There is a coaxial cable with double-layer shielding and CN101635182A discloses a coaxial cable for high frequency and its manufacturing method, etc. [0003] The above-mentioned coaxial cables have good versatility. The so-called good versatility means that in addition to meeting the high-frequency conditions, they can be used under low-frequency conditions. Cables used in low-frequency conditions will undoubtedly cause waste of resources. Therefore, it is unreasonable to use...

Claims

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Application Information

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IPC IPC(8): H01B11/20
Inventor 颜君
Owner CHANGSHU HONGLIN WIRE & CABLE CO LTD
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