CN202159512U - High-flame retardation super low temperature-resistance environment-friendly flexible cable - Google Patents

High-flame retardation super low temperature-resistance environment-friendly flexible cable Download PDF

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Publication number
CN202159512U
CN202159512U CN2011202573599U CN201120257359U CN202159512U CN 202159512 U CN202159512 U CN 202159512U CN 2011202573599 U CN2011202573599 U CN 2011202573599U CN 201120257359 U CN201120257359 U CN 201120257359U CN 202159512 U CN202159512 U CN 202159512U
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CN
China
Prior art keywords
low temperature
flexible cable
sheath
insulating layer
environment
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Expired - Lifetime
Application number
CN2011202573599U
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Chinese (zh)
Inventor
周建栋
陈万琛
沈伟华
刘铭鑫
马雄伟
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GUANGDONG ZHONGDE CABLE CO Ltd
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GUANGDONG ZHONGDE CABLE CO Ltd
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Priority to CN2011202573599U priority Critical patent/CN202159512U/en
Application granted granted Critical
Publication of CN202159512U publication Critical patent/CN202159512U/en
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model relates to the technical field of new material application, especially a high-flame retardation super- low temperature resistance environment-friendly flexible cable. The high-flame retardation super-low temperature resistance environment-friendly flexible cable comprises at least a twisted flexible conductor, the external layer of the twisted flexible conductor is provided with an insulating layer made of a flame retardation TPV insulating material; the outer portion of the insulating layer is provided with a sheath made of a flame retardation TPV sheath material; and fillers are arranged between the insulating layer and the sheath. Therefore, the high-flame retardation super-low temperature resistance environment-friendly flexible cable is able to be used in -60 DEG C environments, is mainly used in cold environments such as Russia Siberia, and satisfies the requirements for good mechanicalness and reliability, good weatherability and good flame retardation performance of an outdoor cable in harsh cold environments (-60 DEG C), thus has the characteristics of high flame retardation, super low temperature resistance and environment friendly.

Description

High flame-retardant ultra-low temperature-resistant environment-friendly flexible cable
Technical Field
The utility model relates to a new material application technology field especially relates to a high fire-retardant super low temperature resistant environmental protection flexible cable.
Background
With the development of economy in China, the fields of communication technology, broadcast television, railway traffic, petrochemical industry, buildings and the like are also greatly developed. Various electric wire cables, communication cables, and the like are also commonly used in these fields and are one of indispensable constituent parts.
Facilities used in alpine regions or in cold environmental conditions have higher requirements on flame retardant performance, low temperature resistance, service life, quality, applicability and the like of cables.
The cable used in the places where people often move, such as buildings or rail transit, is required to have excellent flame retardancy to prevent the occurrence of fire, low toxicity and environmental protection, and does not emit a large amount of harmful gas even when burned, thereby harming the health of people and polluting the atmospheric environment.
The ultra-low temperature resistant cable is a special cable suitable for the environment, the low temperature resistance of the common cable in the market can only reach-35 ℃, and the ultra-low temperature resistant cable is not suitable for engineering projects in time periods when the temperature of some areas is lower than-35 ℃. As the ambient temperature is too low, which can cause cracking of the cable and also cause power and signal interruptions. It is not suitable for cold area, especially-60 deg.C environment. The low-temperature-resistant cable in the prior art has poor flame retardance or insufficient softness, and the cable with good flame retardance has low-temperature resistance and cannot give consideration to both the low-temperature resistance and the low-temperature resistance.
Aiming at the defects of the prior art, the flexible cable can be used in a-60 ℃ environment, is mainly used in a high-cold environment such as Russian Siberian environment and meets the requirements that the outdoor cable still has good mechanical property and reliability in a severe high-cold (-60 ℃) environment, has good weather resistance, good flame retardant property and flexibility, and is necessary for high-flame-retardant ultra-low temperature-resistant environment protection.
Disclosure of Invention
The utility model discloses an it is not enough to overcome prior art, provides one kind and can use in high and cold environment such as-60 ℃ environment, mainly used Russian Siberian, satisfies outdoor cable and still has good mechanical property and reliability under abominable severe alpine (-60 ℃) environment, good weatherability and have good flame retardant efficiency and compliance concurrently, high fire-retardant super low temperature resistant environmental protection flexible cable.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a high-flame-retardant ultra-low temperature-resistant environment-friendly flexible cable comprises at least one stranded flexible conductor, wherein an insulating layer is arranged on the outer layer of the stranded flexible conductor, and the insulating layer is made of a flame-retardant TPV (thermoplastic vulcanizate) insulating material; a sheath is arranged outside the insulating layer, and the sheath is made of flame-retardant TPV sheath material; and a filler is arranged between the insulating layer and the sheath.
Wherein the pitch of the stranded soft conductor bundle wire is 8-10 times.
Wherein the filler is polypropylene tape or non-woven fabric.
Wherein, the thickness of the insulating layer is 0.6-1 mm.
Wherein the thickness of the insulating layer is 0.8 mm.
Wherein, the thickness of the sheath is 1.0-1.4 mm.
Wherein, the thickness of the sheath is 1.2 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a high fire-retardant super low temperature resistant environmental protection flexible cable, including an at least transposition soft conductor, the soft conductor outer strata of transposition is equipped with the insulating layer, and the insulating layer outside is equipped with the sheath, is equipped with the filler between insulating layer and the sheath. The utility model discloses a high fire-retardant super low temperature resistant environmental protection flexible cable, because insulating layer, the insulating cover that the insulating layer adopted the TPV insulating material adopt the sheath of sheath for fire-retardant TPV sheath material. The cable can be used in the environment of minus 60 ℃ and mainly used in the high and cold environment such as Russian Siberian, and the outdoor cable still has good mechanical property and reliability, good weather resistance, good flame retardant property and flexibility, high flame retardance, super low temperature resistance and environmental protection in severe high and cold (-60 ℃) environment.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic cross-sectional structure of the present invention.
Wherein,
1-stranded flexible conductor;
2-an insulating layer;
3-a sheath;
4-filling.
Detailed Description
Example 1:
as shown in fig. 1, a high flame-retardant ultra-low temperature resistant environment-friendly flexible cable comprises two stranded flexible conductors 1, the outer layer of each stranded flexible conductor 1 is coated with an insulating layer 2, a cold-resistant sheath 3 is arranged outside each insulating layer 2, and a thick filler 4 is arranged between each insulating layer 2 and each sheath 3.
It should be noted that the number of the stranded flexible conductors 1 is not limited to two in the present embodiment, and may be set to other numbers, such as one, three, five or other numbers, and the specific number may be flexibly set according to the actual application.
In the embodiment, the pitch of the stranded wires of the stranded soft conductor 1 is 8-10 times, and the smaller pitch is adopted on the basis of ultra-low temperature resistance of-60 ℃, so that the torsion resistance of the cable can be improved, and the cable is not easy to break in an ultra-low temperature environment.
The utility model discloses a high fire-retardant super low temperature resistant environmental protection flexible cable, because insulating layer, the insulating cover that the insulating layer adopted the TPV insulating material adopt the sheath of sheath for fire-retardant TPV sheath material. The high-temperature-resistant flame-retardant cable can be used in a-60 ℃ environment and mainly used in a high-cold environment such as Russian Siberian environment, and meets the requirements that the outdoor cable still has good mechanical property and reliability in a severe high-cold (-60 ℃) environment, good weather resistance, good flame retardant property and flexibility, high flame retardance, ultra-low temperature resistance and environmental protection.
Example 2:
high fire-retardant super low temperature resistant environmental protection flexible cable, other contents are the same with above-mentioned embodiment 1, the difference lies in: the insulating layer 2 is made of flame-retardant TPV insulating material, and the sheath 3 is made of flame-retardant TPV sheath material.
Thermoplastic Vulcanizate (Thermoplastic vulcanizer, also known as polyolefin alloy Thermoplastic elastomer, TPV for short) is mainly composed of two parts, one is plastic as continuous phase and the other is rubber as dispersed phase, usually rubber needs to be matched with softening oil or plasticizer, vulcanizing agent and some auxiliary agent are also necessary, in addition, in order to reduce cost or improve some performance, some inorganic filler can be added, it has the following advantages:
1. the rubber has good elasticity, compression deformation resistance, environment resistance and aging resistance which are equivalent to those of ethylene propylene diene monomer, and simultaneously, the oil resistance and the solvent resistance of the rubber are comparable to those of general chloroprene rubber.
2. The application temperature range is wide (-60-150 ℃), the soft hardness application range is wide (25A-54D), and the dyeing is easy, so that the degree of freedom of product design is greatly improved.
3. Excellent processability: the processing method of the thermoplastic plastics such as injection, extrusion and the like can be used for processing, is efficient and simple and easy to implement, does not need additional equipment, and has high fluidity and small shrinkage rate.
4. Green and environment-friendly, can be recycled, has no obvious performance reduction after being repeatedly used for six times, and meets the environmental protection requirement of European Union.
The high-temperature-resistant flame-retardant cable can be used in a-60 ℃ environment and mainly used in a high-cold environment such as Russian Siberian environment, and meets the requirements that the outdoor cable still has good mechanical property and reliability in a severe high-cold (-60 ℃) environment, good weather resistance, good flame retardant property and flexibility, high flame retardance, ultra-low temperature resistance and environmental protection.
Example 3:
high fire-retardant super low temperature resistant environmental protection flexible cable, other contents are the same with above-mentioned embodiment 2, the difference lies in:
the filler 4 is a polypropylene tape or non-woven fabric, can effectively resist cold, can be applied to the environment with the temperature ranging from-60 ℃ to 80 ℃, and has good elasticity, compression deformation resistance and other properties.
Example 4:
high fire-retardant super low temperature resistant environmental protection flexible cable, the main content is the same with above-mentioned embodiment 3, the difference lies in:
the thickness of the insulating layer 2 is 0.8mm, the thickness of the sheath 3 is 1.2mm, and the effects of effective insulation and cold resistance can be realized.
The high-flame-retardant ultra-low temperature-resistant environment-friendly flexible cable adopting the technical scheme has strong torsion resistance, is not easy to age, is ultra-low temperature-resistant, can work in a low-temperature environment below 60 ℃ below zero, is not easy to crack, is flame-retardant and environment-friendly.
It should be finally noted that the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a high fire-retardant super low temperature resistant environmental protection flexible cable which characterized in that: the cable comprises at least one stranded soft conductor, wherein an insulating layer is arranged on the outer layer of the stranded soft conductor, and the insulating layer is made of flame-retardant TPV insulating materials; a sheath is arranged outside the insulating layer, and the sheath is made of flame-retardant TPV sheath material; and a filler is arranged between the insulating layer and the sheath.
2. The high flame retardant ultra low temperature resistant environment-friendly flexible cable according to claim 1, characterized in that: the pitch of the stranded soft conductor bundle wire is 8-10 times.
3. The high flame retardant ultra low temperature resistant environment-friendly flexible cable according to claim 1 or 2, characterized in that: the filler is a polypropylene tape or non-woven fabric.
4. The high flame retardant ultra low temperature resistant environment-friendly flexible cable according to claim 3, characterized in that: the thickness of the insulating layer is 0.6-1 mm.
5. The high flame retardant ultra low temperature resistant environment-friendly flexible cable according to claim 4, characterized in that: the thickness of the insulating layer is 0.8 mm.
6. The high flame retardant ultra low temperature resistant environment-friendly flexible cable according to any one of claims 1 to 3, characterized in that: the thickness of the sheath is 1.0-1.4 mm.
7. The high flame retardant ultra low temperature resistant environment-friendly flexible cable according to claim 6, characterized in that: the thickness of the sheath is 1.2 mm.
CN2011202573599U 2011-07-20 2011-07-20 High-flame retardation super low temperature-resistance environment-friendly flexible cable Expired - Lifetime CN202159512U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202573599U CN202159512U (en) 2011-07-20 2011-07-20 High-flame retardation super low temperature-resistance environment-friendly flexible cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202573599U CN202159512U (en) 2011-07-20 2011-07-20 High-flame retardation super low temperature-resistance environment-friendly flexible cable

Publications (1)

Publication Number Publication Date
CN202159512U true CN202159512U (en) 2012-03-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202573599U Expired - Lifetime CN202159512U (en) 2011-07-20 2011-07-20 High-flame retardation super low temperature-resistance environment-friendly flexible cable

Country Status (1)

Country Link
CN (1) CN202159512U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104299690A (en) * 2014-10-11 2015-01-21 无锡鑫宏业特塑线缆有限公司 High-flexibility electric vehicle charging pile cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104299690A (en) * 2014-10-11 2015-01-21 无锡鑫宏业特塑线缆有限公司 High-flexibility electric vehicle charging pile cable

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Granted publication date: 20120307

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