The invention discloses a cable for urban light rail subway service. The cable comprises a cable core, wherein the cable core is formed by twisting a direct-current power cable, a control cable and an alkali-free glass fiber rope, a band with high resistance to flames and water is wrapped on the cable core, and an inner sheath layer and an outer sheath layer are sequentially wrapped on the band with high resistance to flames and water in an extruded mode; the direct-current power cable is composed of a conductor, a non-woven fabric band, an insulating layer, a band with high resistance to water, a copper band and a band with high resistance to flames, and the non-woven fabric band, the insulating layer, the band with high resistance to water, the copper band and the band with high resistance to flames are sequentially wrapped on the conductor from inside to outside; the control cable is composed of a cable core body, a band with high resistance to water, a copper band and a band with high resistance to flames, the cable core body is formed by twisting a plurality of insulating wire cores and an alkali-free glass fiber rope, and the band with high resistance to water, the copper band and the band with high resistance to flames are sequentially wrapped on the cable core body. The cable achieves high insulating performance, the A level of flame retardance, low smoke, zero halogen, waterproofing, rat and ant prevention, ultraviolet prevention, good electric-field disturbance resistance, and good bending resistance, and achieves power-transmission, control, signal, protecting and measuring functions simultaneously.

Cable for urban light rail subway service

The invention provides an aging-resistant insulated cable comprising a tin-plated oxygen-free copper wire core, a silicone crosslinked polyethylene insulation layer, a flame-retardant modified polyether sulfone flame-retardant layer, a thermal-insulation flame-retardant reinforcement layer with a basalt fiber woven belt for reinforcement, a galvanized aluminum-tape armored layer, a tinned copper wire shielding layer, 2-amino-5-(p-methoxyl phenyl)-1, a 3,4-thiadiazole rare-earth metal organic complex modified polyethylene radiation-resistant layer and a wear-resistant lined ultra-high-molecular-weight polyethylene sheath layer having the three-million to four-million molecular weight. The above-mentioned units, except the tin-plated oxygen-free copper wire core, are distributed successively on the tin-plated oxygen-free copper wire core from inside to outside. According to the cable, the structure of the cable is designed reasonably, so that the weather-proof and wear-resistant performances of the cable are enhanced. Besides, the invention also provides a method for preparing the aging-resistant insulated cable; and the method having simple steps is easy to industrial production.

Aging-resistant insulated cable and preparation method thereof

The invention provides a dynamic control composite flexible cable for city track traffic, comprising a direct current power cable core and at least two control cores, and characterized in that the control cores are concentrically intertwisted outside the direct current power cable core to form a control core layer; the direct current power cable core successively comprises, from inside to outside, a direct current power cable conductor, an extruded direct current power cable insulation layer, a lapped first flame retardation band, a longitudinal wrap plastic-aluminum composite band, and an extruded first inner sheath layer; the control core layer successively comprises, from inside to outside, a lapped second flame retardation band, an extruded second inner sheath layer, a brass wire and glass fiber mixing braid ply, and an extruded oversheath layer. The flexible cable possess the characteristics of high insulating property, A grade flame retardation, low smoke, free halogen, water resistance, rodent resistance, termite prevention, UV protection, electrostatic disturbance resistance, high flexibility, sound bending performance, and compact structure, and meanwhile realizes the functions of electric energy transmission, control, signal, protection and measurement.

Dynamic control composite flexible cable for city track traffic

The invention provides a halogen-free low-smoke flame-retardant fireproof power control composite flexible cable for city track traffic. The cable comprises a DC power cable and at least two control cores, each core comprises a control core conductor, a mica tape or a control core insulation part, and the control cores are concentrically twisted outside the DC power cable core to form a control core layer; the DC power cable core successively comprises DC power cable conductors, an extruded DC power cable insulation part and an extruded first fireproof inner sheath layer from the inside to the outside; and the control core layer externally successively comprises a wrapped first frame-retardant band, a longitudinally wrapped aluminum plastic composite tape, an extruded second fireproof inner sheath layer, a copper wire and glass fiber mixed braiding layer and an extruded oversheath layer from the inside to the outside. The cable provided by the invention has the advantages of insulation performance, A-grade flame retardation, low smoke, zero halogen, fire resistance, water resistance, mice and ant resistance, ultraviolet prevention, electric field interference immunity, good flexibility, good bending performance and compact structure, and can realize power transmission and control, signal, protection and measurement functions.

Halogen-free low-smoke flame-retardant fireproof power control composite flexible cable for city track traffic

The invention discloses a multi-core flame-retardant fireproof composite cable. The multi-core flame-retardant fireproof composite cable comprises a cable core (3), a tightening layer (2) and an outer protective layer (1), wherein the cable core (3) is formed by twisting multiple wire cores (31); the tightening layer (2) is made of a lapped, longitudinally wrapped, woven or extruded flame-retardant material. The multi-core flame-retardant composite cable is provided with a control cable core, and can transmit power and control signals at the same time; the line cores are of a fan-shaped structure and are compact in structure; gaps among the wire cores are small; flame-retardant or fireproof materials such as glass fiber ropes, glass fiber strips, mica tapes and asbestos cords are unnecessary to use, so that production cost is reduced, and reliable flame-retardant and fireproof performances are obtained. A conductor is of a round compacted structure, so that the technical difficulty is low and an insulating layer is prevented from being damaged. Protective layers are arranged based on different usage occasions, so that the multi-core flame-retardant fireproof composite cable can be suitable for various malicious occasions.

Multi-core flame-retardant fireproof composite cable

The utility model discloses a multi-core flame retardant and fireproof composite cable with an outer protection layer. The cable comprises a cable core (3), a tightening layer (2) and the outer protection layer (1). The cable core (3) is formed by twisting a number of wire cores (31). The tightening layer (2) is made of a wrapped, longitudinally wrapped, woven or extruded flame retardant material. According to the multi-core flame retardant and fireproof composite cable with the outer protection layer, which is provided by the utility model, the control cable core is arranged; power and control signals can be transmitted at the same time; the wire cores are in sector structures; the structure is compact; gaps between the wire cores are small; a glass fiber rope, a glass fiber tape, a mica tape, an asbestos rope and other flame retardant or fireproof materials are not needed; the production cost is reduced; flame retardant and fireproof performances are reliable; conductors are in circular compact structures; a process is easy; insulating layers are prevented from damage; the protection layer is arranged according to different use occasions; and the multi-core flame retardant and fireproof composite cable is suitable for being used in various bad situations.

Multi-core flame retardant and fireproof composite cable with outer protection layer

The utility model discloses a high flame-retardant anti-interference cable for subway service. The high flame-retardant anti-interference cable comprises a cable core; the cable core is formed by stranding a DC electric power cable, a control cable and an alkali-free fiberglass rope, the cable core is wrapped with a high-flame-retardant water blocking belt, and the high-flame-retardant water blocking belt is successively wrapped with an inner sheath layer and an outer sheath layer in an extruding manner; the DC electric power cable is composed of conductors, and a non-woven fabrics belt, an insulating layer, a high water blocking belt, a copper belt and a high flame-retardant belt which successively wrap the conductors from inside to outside; and the control cable is composed of a cable core formed by stranding a plurality of insulated cores and an alkali-free fiberglass rope, and a high water-blocking belt, a copper belt and a high flame-retardant belt which successively wrap the cable core. The high flame-retardant anti-interference cable is low smoke zero halogen, waterproof, rat-proof and termite-proof and ultraviolet-proof, and has relatively high insulating property, a flame-retardant A grade, anti-interference of electric field and good bending performance, and electric energy transmission and control, signal, protection and measurement effects can also be achieved.

High flame-retardant anti-interference cable for subway service

The utility model discloses a multi-core flame-retardant fireproof cable with an external layer. The multi-core flame-retardant fireproof cable comprises a circular cable core which is formed by at least three segmented fan-shaped wire cores via twisting. The cable core is externally provided with an external protective layer. Each fan-shaped wire core is formed by a circular conductor and an insulating layer extruding outside the circular conductor. The wire cores have a fan-shaped structure so that the structure is compact, the gap between the wire cores is small without using flame-retardant or fireproof material like a glass fiber rope, a glass fiber tape, a mica tape or an asbestos rope, production cost is reduced, and flame-retardant and fireproof performance is reliable. The conductors adopt a circular compressing structure so that technical difficulty is low and the insulating layers are not damaged. The protective layer is arranged according to different use occasions so that the multi-core flame-retardant fireproof cable with the external layer is suitable for various severe occasions.

Multi-core flame-retardant fireproof cable with external layer

Popular Tasks used by Researchers

How can I help with your research?

Get more enhanced response by uploading the PDFs you want me to reference.

No relevant PDFs in your library

SciSpace is the AI research assistant for academics. Run systematic literature reviews on 280M+ papers, and write papers with cited sources. Trusted by 1M+ students, PhDs & researchers.

SciSpace | AI for Research

We encountered an error while loading the panel. Please try refreshing the page.

Something went wrong

Analyze PDFs

Code & Manuscripts

Funding & Grants

Literature & Patents

Medical & Clinical Data

Systematic Review

Visualize & Present

Web & Data

Build a Google Scholar-like website for your research.

Build a website

Create charts and images for your research

Create a Chart

Write a paper for submission to a journal

Draft a manuscript

Patent Search

Design eye-catching scientific posters in minutes.

Scientific Poster Generation

Systematic Literature Review

Anyone with the link can view this chat. You can switch it back to private anytime.

One task is running at the moment. Your messages will be shown right after.

Drag and drop or click here to browse

Loved by <highlight>1 million+</highlight> researchers

Extract a list of specific topics and their sources from unstructured text

Topics

Compare and analyze relevant papers that matches with your search

Papers

Get insights from PDFs and bookmarked papers from your library

My library

Recent searches

Try searching for:

Catch AI-generated content in scholarly and non-scholarly content

{ai} Detector

Ai Writer

Get PDF Summaries, highlighted text explanations 

Chat with PDF

Effortlessly create in-text citations and bibliographies in APA and 2,500 other formats

Citation generator

Get explanations, summaries, and answers on academic papers

Ease up your research workflow with {scispace}'s cohort of exciting AI tools

Elevate your academic writing skills and convey your ideas the way you want

Paraphraser

Explore our range of reading and writing tools

Your file is being prepared and should be ready in a few minutes. If it's a large file, it might take a bit longer. You can close this window, and we'll email you the file when it's done.

You have reached a maximum limit of <strong>{limit}</strong> columns in the table. Remove at least <strong>1</strong> column to add or create another one.

Liu Jun

Author Tools

Chat about Author