详情描述

Computer cables are a type of electrical equipment cable, suitable for electronic computers and automatic instruments with high requirements for interference resistance at rated voltages of 500V or less. Depending on different environmental and equipment usage requirements, the cable insulation can be made of materials such as polyethylene, polyvinyl chloride, cross-linked polyethylene, fluoroplastic, and silicone rubber.

The individual pairs of shielded twisted pairs should not be disconnected from each other, nor should they be disconnected from the overall shield.

The cores of the cables and between the cores and the shielding or other metal layers should withstand 50Hz, alternating voltage of 2000V for 1 minute or 1500V for 5 minutes without breakdown.

High insulation resistance, good voltage resistance, small dielectric constant, and minimal temperature and frequency dependence of dielectric loss in polyethylene not only meet the transmission performance requirements but also ensure the cable's service life.

To minimize mutual interference between circuits and external disturbances, the cable must be constructed with a shielding structure. Shielding materials include tin-plated or untinned copper wire, copper strip, copper-plastic composite tape, and aluminum-plastic composite tape, among others. The metallic strips are produced by wrapping, with an overlap rate typically not less than 15%, but specific standards may have special provisions; for instance, TICW/06 specifies that the overlap rate of the shielding metallic strip should not be less than 25%. The metallic wire is produced by weaving, with a weaving coverage rate not less than 80%, and may not be less than 90% if higher anti-interference requirements are needed.

The shielding requirements for cables are adopted separately for different scenarios: segmented shielding (only for twisted pairs, with each twisted pair having its own shielding), overall shielding (the cable has only one overall shielding layer after the core is stranded), and segmented + overall shielding (combining both of the above structures). To meet higher requirements from users and usage scenarios, the overall shielding structure can be implemented using a composite shielding method, which includes two layers of shielding, consisting of metal tape wrapping and metal wire braiding.

Note: If the cable has a segmented shielding structure, the shielding layers should have good insulation properties, and polyester tape or other non-absorbent wrapping tape should be applied on the outer side of the segmented shielding.

Name Edit Voice

DJYPV

Polyethylene-insulated twisted copper wire braid with PVC sheath

Electrical Cable Sleeves

Install indoor, cable trench, pipeline, etc., with static shielding requirements

Occasion

DJYVP

PVC-jacketed braided shielded copper twisted pair with polyethylene insulation

Electrical Cable Sleeves Count

Lay indoor, cable trench, pipeline, etc., requiring electrostatic shielding

Occasion

DJYPVP

Polyethylene insulated twisted copper wire, braid shielded and overall shielded

Chlorinated Polyvinyl Chloride (PVC) Jacketed Computer Cable

Install indoor, cable trench, pipeline, etc., requiring electrostatic shielding

Occasion

DJYP2V

PVC jacketed twisted copper strips with polyethylene insulation

Electrical Cable

Lay indoor, cable trench, pipeline, etc., with static shielding requirements

Occasion

DJYVP2

Polyethylene insulated twisted copper strip with overall shielding and polyvinyl chloride sheath

Electrical Cable

Install indoor, cable trenches, pipelines, etc., with static shielding requirements

Occasion

DJYP2VP2

Polyethylene insulated twisted copper strips, individually shielded and overall shielded polyvinyl chloride

Enveloped computer cable

Lay indoor, cable trench, pipeline, etc., with static shielding requirements

Occasion

DJYP3V

Polyethylene insulated twisted aluminum-plastic composite tape, shielded with polyvinyl chloride

Computer Cable Jacket

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Occasion

DJYVP3

Polyethylene insulated twisted aluminum-plastic composite tape, overall shielded with polyvinyl chloride

Computer cable sleeve

Install indoor, cable trench, pipeline, etc., requiring static shielding

Occasion

DJYP3VP3

Polyethylene insulated twisted aluminum-plastic composite tape with both individual shielding and overall shielding

PVC sheathed computer cable

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Event

DJYPVR

PVC-jacketed braided copper twisted pair with polyethylene insulation

Computer cable sleeve

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Occasion

DJYVPR

Polyethylene insulated twisted copper wire braid overall shielded with PVC sheath

Computer cable sleeve

Install indoor, cable trenches, pipelines, etc., with static shielding requirements

Occasion

DJYPVPR

Polyethylene insulated twisted copper wire with braided and overall shielding

Chlorinated Polyvinyl Chloride (PVC) Jacketed Soft Computer Cable

Install indoor, cable trenches, pipelines, etc., with static shielding requirements

Occasion

DJYP2VR

Polyethylene insulated paired copper strip, sheathed with PVC (PVC insulated) for flexible cables

Computer Cable

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Occasion

DJYVP2R

Polyethylene insulated twisted copper tape, overall shielded with PVC sheath, flexible

Computer Cable

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Occasion

DJYP2VP2R

Polyethylene insulated twisted copper strip, individually shielded and overall shielded polyvinyl chloride

Thermally protected soft computer cable

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Occasion

DJYP3VR

Polyethylene-insulated twisted aluminum-plastic composite tape, shielded with polyvinyl chloride

Computer cable jacket

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Occasion

DJYVP3R

Polyethylene-insulated, twisted pair, aluminum-plastic composite tape, overall polyvinyl chloride shielding

Computer Cable Jacket Soft

Install indoor, cable trench, pipeline, etc., with static shielding requirements

Occasion

DJYP3VP3R

Polyethylene insulated twisted aluminum-plastic composite tape, with both shielded and total shielded versions

PVC Sheathed Soft Computer Cable

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Occasion

DJYPV22

PVC-jacketed braided shielded copper wire with polyethylene insulation

Steel-braided computer cable

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Large mechanical external force fixation sites and withstand

DJYVP22

Polyethylene insulated twisted copper wire braid overall shielded with PVC sheath

Steel-braided armored computer cable

Install indoor, cable trench, pipeline, etc., with static shielding requirements

Large mechanical external force fixed sites and withstand

DJYPVP22

Polyethylene insulated twisted copper wire with braided and overall shielding

Chlorinated polyvinyl chloride sheathed steel tape armored computer cable

Install indoor, cable trench, pipeline, etc., requiring electrostatic shielding

Large mechanical external force fixation sites and withstand

DJYP2V22

Polyethylene insulated twisted copper strip, shielded with PVC sheath and steel

Computer cable with armor

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Large mechanical force fixed sites and withstand

DJYVP2-22

Polyethylene insulated twisted copper tape, overall shielded with PVC jacket, steel

Computer cable with armor

Install indoor, cable trenches, pipelines, etc., with static shielding requirements

Large mechanical external force fixed sites and withstand

DJYP2VP2-22

Polyethylene insulated twisted copper tape, both individually shielded and overall shielded polyvinyl chloride

Polyethylene sheath steel tape armored computer cable

Install indoor, cable trenches, pipelines, etc., with static shielding requirements

Large mechanical force fixed fields and withstand

DJYP3V22

Polyethylene insulated twisted aluminum-plastic composite tape with shielding polyvinyl chloride

Computer Cable with Steel Tape Armor

Install indoor, cable trench, pipeline, etc., with static shielding requirements

Large mechanical external force fixed sites and withstand

DJYVP3-22

Polyethylene insulated twisted aluminum-plastic composite tape, overall PVC shielding

Sheathed steel tape armored computer cable

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Large machinery with external force fixation and bearing capacity

DJYP3VP3-22

Polyethylene insulated twisted aluminum-plastic composite tape, shielded and total shielded

PVC jacketed steel tape armored computer cable

Install static shielding for indoor environments, cable trenches, pipelines, etc.

Large mechanical external force fixation sites and withstand