CN201117364Y - bundled radio frequency cable - Google Patents

bundled radio frequency cable Download PDF

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Publication number
CN201117364Y
CN201117364Y CNU2007201001331U CN200720100133U CN201117364Y CN 201117364 Y CN201117364 Y CN 201117364Y CN U2007201001331 U CNU2007201001331 U CN U2007201001331U CN 200720100133 U CN200720100133 U CN 200720100133U CN 201117364 Y CN201117364 Y CN 201117364Y
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radio frequency
heart yearn
cable
sheath
core wire
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Expired - Fee Related
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CNU2007201001331U
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Chinese (zh)
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任玉宝
冉强
周秀
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Tianjin Hengteer Wire & Cable Co Ltd
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Tianjin Hengteer Wire & Cable Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

本实用新型涉及一种集束射频电缆,包括由导体、绝缘层、屏蔽层、护套构成的单根电缆,其创新点为:以一条单根电缆为中间芯线,在该中间芯线周围均布一圈与其平行的单根电缆作为周边芯线,该中间芯线与其周边芯线共同作为芯线组集束包裹于一总护套内,在该中间芯线与其周边芯线之间缠绕设置有垫片。本实用新型整体结构简单,设计合理,功能可靠,采用将多根电缆稳定地集束于同一护套内的结构形式,使电缆整体具有低衰减、低损耗、低驻波比的优点,而且重量轻、强度高,该集束射频电缆可长期敷设于室外。

Figure 200720100133

The utility model relates to a bundled radio frequency cable, which includes a single cable composed of a conductor, an insulating layer, a shielding layer and a sheath. Lay a single cable parallel to it as the peripheral core wire. The middle core wire and its peripheral core wires are bundled together as a core wire group and wrapped in a general sheath. Between the middle core wire and its peripheral core wires, a gasket. The utility model has the advantages of simple overall structure, reasonable design, and reliable function. It adopts the structural form in which multiple cables are stably bundled in the same sheath, so that the overall cable has the advantages of low attenuation, low loss, and low standing wave ratio, and is light in weight. , high strength, the bundled radio frequency cable can be laid outdoors for a long time.

Figure 200720100133

Description

集束射频电缆 bundled radio frequency cable

技术领域technical field

本实用新型涉及通信领域的射频电缆,特别是一种集束射频电缆。The utility model relates to a radio frequency cable in the communication field, in particular to a bundled radio frequency cable.

背景技术Background technique

随着我国通信事业的高速发展,对应用于该领域的射频电缆的要求也逐步提高。由于射频电缆需要同时满足对于电性能及机械性能的要求,即在具有良好的信号传输质量及良好的屏蔽功能的同时还需要具备一定的抗拉强度及弯曲应力,因此目前射频电缆的设计及制造均具有较高的难度。现有单根射频电缆的结构大多为:在圆柱形导体外部包裹绝缘层,在绝缘层外部设置屏蔽层,在最外层设置护套。现有射频电缆存在信号传输干扰大、衰减高、驻波比高等缺点;而且,对于敷设于室外的射频电缆,还具有自重较大、抗拉强度小、防潮性不好等缺点;另外,单根射频电缆不能适用于传输多种通信信号的3G基站中,无法满足通信业发展需求。With the rapid development of my country's communications industry, the requirements for radio frequency cables used in this field are gradually increasing. Since radio frequency cables need to meet the requirements for electrical and mechanical properties at the same time, that is, they need to have a certain tensile strength and bending stress while having good signal transmission quality and good shielding function, so the current design and manufacture of radio frequency cables are of high difficulty. Most of the structures of existing single radio frequency cables are as follows: an insulating layer is wrapped outside the cylindrical conductor, a shielding layer is arranged outside the insulating layer, and a sheath is arranged on the outermost layer. Existing radio frequency cables have shortcomings such as large signal transmission interference, high attenuation, and high standing wave ratio; moreover, for radio frequency cables laid outdoors, they also have shortcomings such as large self-weight, low tensile strength, and poor moisture resistance; in addition, single A radio frequency cable cannot be used in 3G base stations that transmit various communication signals, and cannot meet the development needs of the communication industry.

发明内容Contents of the invention

本实用新型的目的在于克服现有技术的不足,提供一种将多根电缆集束于同一护套内,从而具有低衰减、低损耗、低驻波比,而且重量轻、强度高的集束射频电缆。The purpose of this utility model is to overcome the deficiencies of the prior art, and provide a bundled radio frequency cable with low attenuation, low loss, low standing wave ratio, light weight and high strength by bundling multiple cables in the same sheath .

本实用新型解决其技术问题是采取以下技术方案实现的:The utility model solves its technical problem and realizes by taking the following technical solutions:

本集束射频电缆,包括由导体、绝缘层、屏蔽层、护套构成的单根电缆,其特征在于:以一条单根电缆为中间芯线,在该中间芯线周围均布一圈与其平行的单根电缆作为周边芯线,该中间芯线与其周边芯线共同作为芯线组集束包裹于一总护套内,在该中间芯线与其周边芯线之间缠绕设置有塑料防潮垫片。The bundled radio frequency cable includes a single cable composed of a conductor, an insulating layer, a shielding layer, and a sheath. A single cable is used as a peripheral core wire, and the intermediate core wire and its peripheral core wires are bundled together as a core wire group and wrapped in a general sheath, and a plastic moisture-proof gasket is wound between the intermediate core wire and its peripheral core wires.

而且,所述的周边芯线包括6-10条单根电缆。Moreover, said peripheral core wires include 6-10 single cables.

而且,所述的绝缘层为氮气充气物理发泡聚乙烯绝缘层。Moreover, the insulating layer is a nitrogen-inflated physically foamed polyethylene insulating layer.

而且,所述的屏蔽层为包覆于绝缘层外的自粘聚酯铝塑薄膜及包覆于该自粘聚酯铝塑薄膜外的铝镁合金丝编织层构成的双层屏蔽结构。Moreover, the shielding layer is a double-layer shielding structure composed of a self-adhesive polyester aluminum-plastic film wrapped outside the insulating layer and an aluminum-magnesium alloy wire braided layer wrapped outside the self-adhesive polyester aluminum-plastic film.

本实用新型的优点和积极效果是:Advantage and positive effect of the present utility model are:

1.采用九根电缆集束成型的射频电缆具有低驻波比,从而保证了电缆高频信号的传输,适用于3G基站中多种通信信号的传输,使用更为方便,性能更加稳定。1. The radio frequency cable formed by nine cables has a low standing wave ratio, thereby ensuring the transmission of high-frequency signals in the cable, and is suitable for the transmission of various communication signals in 3G base stations. It is more convenient to use and more stable in performance.

2.中间芯线外缠绕一层塑料防潮垫片,保证了中间芯线及周边芯线排列位置的稳定性,有效防止中间芯线受潮,使电缆具有低驻波比的优点,且电缆自重轻,利于电缆长期垂直敷设。2. A layer of plastic moisture-proof gasket is wrapped around the middle core wire, which ensures the stability of the arrangement position of the middle core wire and surrounding core wires, effectively prevents the middle core wire from getting damp, and makes the cable have the advantages of low standing wave ratio and light weight of the cable , which is conducive to long-term vertical laying of cables.

3.绝缘层采用氮气充气物理发泡聚乙烯绝缘层,可减少介质损耗,使电缆具有低衰减、低损耗的优点。3. The insulation layer adopts nitrogen-inflated physical foamed polyethylene insulation layer, which can reduce dielectric loss and make the cable have the advantages of low attenuation and low loss.

4.单根电缆的屏蔽层采用铝镁合金丝编织层与自粘聚酯铝塑复合薄膜的双层屏蔽结构,抗外界干扰性强,避免了信号传输时每根电缆之间的干扰,同时大大减小了电缆的自重,减小垂直敷设时的拉力,保证电缆的长期敷设。4. The shielding layer of a single cable adopts a double-layer shielding structure of aluminum-magnesium alloy wire braiding layer and self-adhesive polyester aluminum-plastic composite film, which has strong resistance to external interference and avoids interference between each cable during signal transmission. It greatly reduces the weight of the cable, reduces the tension when laying vertically, and ensures the long-term laying of the cable.

5.总护套采用缠绕非吸潮性塑料带及耐光热聚乙烯护套组合形式,电缆自重轻、防潮性好,可用于长期敷设于户外。5. The overall sheath adopts the combination of winding non-hygroscopic plastic tape and heat-resistant polyethylene sheath. The cable has light weight and good moisture resistance, and can be used for long-term laying outdoors.

6.本实用新型整体结构简单,设计合理,功能可靠,采用将多根电缆稳定地集束于同一护套内的结构形式,从而使电缆整体具有低衰减、低损耗、低驻波比,而且重量轻、强度高的优点,本集束射频电缆可长期敷设于室外。6. The overall structure of the utility model is simple, the design is reasonable, and the function is reliable. It adopts the structural form of stably clustering multiple cables in the same sheath, so that the overall cable has low attenuation, low loss, and low standing wave ratio. With the advantages of lightness and high strength, the bundled radio frequency cable can be laid outdoors for a long time.

附图说明Description of drawings

图1是本实用新型的截面剖视图。Fig. 1 is a sectional view of the utility model.

具体实施方式Detailed ways

以下结合附图对本实用新型的实施例做进一步详述:Embodiments of the utility model are described in further detail below in conjunction with the accompanying drawings:

该集束射频电缆,包括由导体5、绝缘层3、屏蔽层、护套4构成的单根电缆,该单根电缆可以为5D-FB电缆,其创新点在于:以一条单根电缆为中间芯线8,在该中间芯线周围均布一圈与其平行的单根电缆作为周边芯线,周边芯线包括6-10条单根电缆,本实施例中采用八根电缆作为周边芯线,其在满足通信电缆需求同时具有良好的结构稳定性。芯线的数目以及排列方式可以根据电缆的使用需求进行调整,并不局限于本实施例中的规则排列方式。该中间芯线与其周边芯线共同作为芯线组集束包裹于一总护套6内,在该中间芯线与其周边芯线之间缠绕设置有塑料防潮垫片9。塑料防潮垫片为非吸潮性塑料垫片并缠绕于中间芯线上。绝缘层为氮气充气物理发泡聚乙烯绝缘层。屏蔽层为包覆于绝缘层外的自粘聚酯铝塑薄膜2及包覆于该自粘聚酯铝塑薄膜外的铝镁合金丝编织层1构成的双层屏蔽结构。总护套包括缠绕于周边芯线外的塑料带层7及包敷于塑料带层外部的聚乙烯护套10。本集束射频电缆,可用于3G基站中多种通信信号的同时传输,使用更为方便,性能更加稳定。The bundled radio frequency cable includes a single cable composed of a conductor 5, an insulating layer 3, a shielding layer, and a sheath 4. The single cable can be a 5D-FB cable, and its innovation is that a single cable is used as the middle core Line 8, a single cable parallel to it is evenly distributed around the middle core wire as the peripheral core wire, and the peripheral core wire includes 6-10 single cables. In this embodiment, eight cables are used as the peripheral core wire. It has good structural stability while meeting the requirements of communication cables. The number and arrangement of the core wires can be adjusted according to the usage requirements of the cable, and are not limited to the regular arrangement in this embodiment. The middle core wire and its peripheral core wires are bundled together as a core wire group and wrapped in a general sheath 6 , and a plastic moisture-proof gasket 9 is wound between the middle core wire and its peripheral core wires. Plastic moisture-proof gaskets are non-hygroscopic plastic gaskets and are wrapped around the center core. The insulating layer is a nitrogen-inflated physically foamed polyethylene insulating layer. The shielding layer is a double-layer shielding structure composed of a self-adhesive polyester aluminum-plastic film 2 wrapped outside the insulating layer and an aluminum-magnesium alloy wire braided layer 1 wrapped outside the self-adhesive polyester aluminum-plastic film. The overall sheath includes a plastic tape layer 7 wound around the peripheral core wire and a polyethylene sheath 10 wrapped outside the plastic tape layer. The bundled radio frequency cable can be used for simultaneous transmission of multiple communication signals in a 3G base station, and is more convenient to use and more stable in performance.

Claims (4)

1. boundling radio frequency cable, comprise the unit cable that constitutes by conductor, insulating barrier, screen, sheath, it is characterized in that: heart yearn in the middle of with a unit cable being, uniform one encloses unit cable in parallel as peripheral heart yearn around this centre heart yearn, this centre heart yearn heart yearn peripheral with it is wrapped in the total sheath as heart yearn group boundling jointly, twines to be provided with the moistureproof pad of plastics between this centre heart yearn and its peripheral heart yearn.
2. boundling radio frequency cable according to claim 1 is characterized in that: described peripheral heart yearn comprises 6-10 bar unit cable.
3. boundling radio frequency cable according to claim 1 is characterized in that: described insulating barrier is a nitrogen inflation physical blowing polyethylene layer.
4. boundling radio frequency cable according to claim 1 is characterized in that: described screen is to be coated on the outer self-adhesion polyester aluminium plastic membrane of insulating barrier and to be coated on the double-layer shielding structure that the outer aluminum-magnesium alloy wire braid of this self-adhesion polyester aluminium plastic membrane constitutes.
CNU2007201001331U 2007-10-24 2007-10-24 bundled radio frequency cable Expired - Fee Related CN201117364Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102915790A (en) * 2012-10-29 2013-02-06 常州康美电子线缆有限公司 High-quality video connecting line
CN102931460A (en) * 2011-09-07 2013-02-13 苏州易特诺科技股份有限公司 Magnesium alloy radio frequency and microwave device
CN112409937A (en) * 2020-11-06 2021-02-26 通鼎互联信息股份有限公司 Self-adhesive shielding aluminum-plastic film for data cable with size of more than 6A and cable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102931460A (en) * 2011-09-07 2013-02-13 苏州易特诺科技股份有限公司 Magnesium alloy radio frequency and microwave device
CN102915790A (en) * 2012-10-29 2013-02-06 常州康美电子线缆有限公司 High-quality video connecting line
CN112409937A (en) * 2020-11-06 2021-02-26 通鼎互联信息股份有限公司 Self-adhesive shielding aluminum-plastic film for data cable with size of more than 6A and cable

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080917

Termination date: 20151024

EXPY Termination of patent right or utility model