CN109102930A - A kind of low temperature resistant cable and its production technology - Google Patents
A kind of low temperature resistant cable and its production technology Download PDFInfo
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- CN109102930A CN109102930A CN201810868162.5A CN201810868162A CN109102930A CN 109102930 A CN109102930 A CN 109102930A CN 201810868162 A CN201810868162 A CN 201810868162A CN 109102930 A CN109102930 A CN 109102930A
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- temperature resistant
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/148—Selection of the insulating material therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
- H01B13/262—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping of an outer metallic screen
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of low temperature resistant cables; including core, insulating layer, metal screen layer and external protection; the core is the core being twisted by several copper wires; the insulating layer is coated on the outside of core; the metal screen layer is located on the outside of insulating layer; the external protection is located on the outside of metal screen layer, and at least provided with two cores on the inside of external protection.The present invention is by using good bandability and the high high-density polyethylene material of anti-flammability as the insulating layer of core; and it is modified by low temperature resistant plasticiser; to improve its cold resistance; the form shared by using CPE rubber and EPDM rubber; as the material of main part of external protection; the elongation at break and cold resistance of CPE can be improved by EPDM rubber; the cold resistance of CPE can be improved again by cold-resistant modifying agent dioctyl terephthalate and dioctyl adipate, be required so that the entirety for meeting cable is cold-resistant.
Description
Technical field
The invention belongs to cable production arts, more specifically more particularly to a kind of low temperature resistant cable.Meanwhile the present invention
Further relate to a kind of production technology of low temperature resistant cable.
Background technique
Cable is usually the cable of similar rope as several or made of several groups of wire strandings, between every group of conducting wire mutually absolutely
Edge, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation, has interior energization, the spy of external insulation
Sign.Common PVC cable material low-temperature impact brittle temperature is at -15 DEG C -20 DEG C, but the area high in some latitudes, such as China east
The areas such as north, Inner Mongol, winter temperature is lower, if CABLE MATERIALS low temperature does not reach requirement, cable insulate in laid processes and
Sheath suffers from damage.We need a kind of low temperature resistant cable to solve the above problems thus.
Summary of the invention
The purpose of the present invention is to provide a kind of low temperature resistant cable and its production technologies, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of low temperature resistant cable, including core, insulating layer, metal screen layer and external protection, the core are by several copper
The core that silk is twisted, the insulating layer are coated on the outside of core, and the metal screen layer is located on the outside of insulating layer, described outer
Protective layer is located on the outside of metal screen layer, and at least provided with two cores on the inside of external protection.
Preferably, rock wool thermal insulation layer is filled between the external protection and metal screen layer.
Preferably, its raw material of the composition of the external protection is as follows by weight: 20 parts of EPDM rubber, 80 parts of CPE rubber,
10 parts of cold resistant plasticizer, 8 parts of calcium-zinc composite stabilizing agent, 2 parts of 1010 antioxidant, 2 parts of anti-aging agent, 5 parts of vulcanizing agent, white carbon black 15
Part and 2 parts of paraffin.
Preferably, the chlorination rate of the CPE rubber is between 28%-32%.
Preferably, the cold resistant plasticizer is made of dioctyl terephthalate and dioctyl adipate, and phthalic acid
The ratio of dioctyl ester and dioctyl adipate is 7:3.
Preferably, its raw material of the composition of the insulating layer is as follows by weight: 30 parts of high density polyethylene (HDPE), 5 parts of carbon black, neighbour
1 part of phthalic acid ester, 0.5 part of dioctyl adipate, 1 part of magnesium system activation stable, 1 part of antioxidant, 1 part of anti-aging agent and vulcanizing agent
2 parts.
A kind of production technology of low temperature resistant cable, includes the following steps:
S1: insulating layer preparation: by high density polyethylene (HDPE), carbon black, phthalic acid ester, dioctyl adipate, magnesium system activation stable,
Antioxidant, anti-aging agent and vulcanizing agent are added in kneading machine according to the proportion to be kneaded, and temperature is 90-100 DEG C, process time
It is 15 minutes, raw material is sent into modeling white silk machine after the completion of mixing and carries out moulding experienced processing, after moulding white silk, raw material is sent into wrapped
Raw material, is coated on core, to be formed by the wrapped processing of extrusion for carrying out core in machine by extrusion die by winding machine
Insulating layer；
S2, metal screen layer cladding: by winding machine by metallic shield net solderless wrapped connection on the outside of insulating layer, to form metallic shield
Layer；
S3, rock wool thermal insulation layer cladding: rock wool screen cloth is coated on the outside of insulating layer by winding machine, to form rock wool thermal insulation layer
Cladding；
S4, external protection preparation: cold resistant plasticizer, calcium-zinc composite stabilizing agent, 1010 anti-oxidant by EPDM rubber, CPE rubber
Agent, anti-aging agent, white carbon black and paraffin are added in kneading machine according to the proportion to be kneaded, and after temperature rises to 100 DEG C, keeps 1-
2 minutes can dumping, raw material obtained and vulcanizing agent are added together in vulcanizer and carry out vulcanizing treatment, curing temperature is
150-160 DEG C, the time is 10-15 minutes, is added raw materials into extruser after vulcanizing treatment is complete, will be former by extrusion die
Material, which squeezes out, to be coated on the outside of core, to form external protection.
Preferably, in the step S1, core needs to carry out gradient cooling, the temperature of the first sink after the completion of wrapped
Temperature for 50-60 DEG C, the second sink is 35-50 DEG C, third sink uses normal temperature circulation water.
Compared with prior art, the beneficial effects of the present invention are: the present invention by using good bandability and anti-flammability it is high
High-density polyethylene material and is modified it by low temperature resistant plasticiser as the insulating layer of core, to improve
Its cold resistance passes through by using the form that CPE rubber and EPDM rubber share as the material of main part of external protection
The elongation at break and cold resistance of CPE can be improved in EPDM rubber, by cold-resistant modifying agent dioctyl terephthalate and oneself two
Dioctyl phthalate can improve again the cold resistance of CPE, require so that the entirety for meeting cable is cold-resistant.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1 core, 2 insulating layers, 3 metal screen layers, 4 external protections, 5 rock wool thermal insulation layers.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Referring to Fig. 1, the present invention provides a kind of low temperature resistant cable, including core 1, insulating layer 2,3 and of metal screen layer
External protection 4, the core 1 are the cores being twisted by several copper wires, and the insulating layer 2 is coated on 1 outside of core, institute
It states metal screen layer 3 and is located at 2 outside of insulating layer, the external protection 4 is located at 3 outside of metal screen layer, and 4 inside of external protection
At least provided with two cores 1.
Specifically, being filled with rock wool thermal insulation layer 5 between the external protection 4 and metal screen layer 3.
Specifically, its raw material of the composition of the external protection 4 is as follows by weight: 20 parts of EPDM rubber, CPE rubber 80
Part, 10 parts of cold resistant plasticizer, 8 parts of calcium-zinc composite stabilizing agent, 2 parts of 1010 antioxidant, 2 parts of anti-aging agent, 5 parts of vulcanizing agent, hard charcoal
Black 15 parts and 2 parts of paraffin.
Specifically, the chlorination rate of the CPE rubber is between 28%-32%.
Specifically, the cold resistant plasticizer is made of dioctyl terephthalate and dioctyl adipate, and phthalic acid
The ratio of dioctyl ester and dioctyl adipate is 7:3.
Specifically, its raw material of the composition of the insulating layer 2 is as follows by weight: 30 parts of high density polyethylene (HDPE), 5 parts of carbon black,
1 part of phthalic acid ester, 0.5 part of dioctyl adipate, 1 part of magnesium system activation stable, 1 part of antioxidant, 1 part of anti-aging agent and vulcanization
2 parts of agent.
A kind of production technology of low temperature resistant cable, includes the following steps:
S1: insulating layer preparation: by high density polyethylene (HDPE), carbon black, phthalic acid ester, dioctyl adipate, magnesium system activation stable,
Antioxidant, anti-aging agent and vulcanizing agent are added in kneading machine according to the proportion to be kneaded, and temperature is 90-100 DEG C, process time
It is 15 minutes, raw material is sent into modeling white silk machine after the completion of mixing and carries out moulding experienced processing, after moulding white silk, raw material is sent into wrapped
Raw material, is coated on core, to be formed by the wrapped processing of extrusion for carrying out core in machine by extrusion die by winding machine
Insulating layer；
S2, metal screen layer cladding: by winding machine by metallic shield net solderless wrapped connection on the outside of insulating layer, to form metallic shield
Layer；
S3, rock wool thermal insulation layer cladding: rock wool screen cloth is coated on the outside of insulating layer by winding machine, to form rock wool thermal insulation layer
Cladding；
S4, external protection preparation: cold resistant plasticizer, calcium-zinc composite stabilizing agent, 1010 anti-oxidant by EPDM rubber, CPE rubber
Agent, anti-aging agent, white carbon black and paraffin are added in kneading machine according to the proportion to be kneaded, and after temperature rises to 100 DEG C, keeps 1-
2 minutes can dumping, raw material obtained and vulcanizing agent are added together in vulcanizer and carry out vulcanizing treatment, curing temperature is
150-160 DEG C, the time is 10-15 minutes, is added raw materials into extruser after vulcanizing treatment is complete, will be former by extrusion die
Material, which squeezes out, to be coated on the outside of core, to form external protection.
Specifically, core needs to carry out gradient cooling, the temperature of the first sink after the completion of wrapped in the step S1
Temperature for 50-60 DEG C, the second sink is 35-50 DEG C, third sink uses normal temperature circulation water.
The present invention by using good bandability and the high high-density polyethylene material of anti-flammability as the insulating layer of core,
And it is modified by low temperature resistant plasticiser, so that its cold resistance is improved, it is total by using CPE rubber and EPDM rubber
Form can be improved the elongation at break of CPE by EPDM rubber and resist cold as the material of main part of external protection
Property, the cold resistance of CPE can be improved by cold-resistant modifying agent dioctyl terephthalate and dioctyl adipate again, to meet
The entirety of cable is cold-resistant to be required.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of low temperature resistant cable, including core (1), insulating layer (2), metal screen layer (3) and external protection (4), feature
Be: the core (1) is the core being twisted by several copper wires, and the insulating layer (2) is coated on the outside of core (1),
The metal screen layer (3) is located on the outside of insulating layer (2), and the external protection (4) is located on the outside of metal screen layer (3), and outer
At least provided with two cores (1) on the inside of protective layer (4).
2. a kind of low temperature resistant cable according to claim 1, it is characterised in that: the external protection (4) and metallic shield
Rock wool thermal insulation layer (5) are filled between layer (3).
3. a kind of low temperature resistant cable according to claim 1, it is characterised in that: its original of the composition of the external protection (4)
Expect as follows by weight: 20 parts of EPDM rubber, 80 parts of CPE rubber, 10 parts of cold resistant plasticizer, 8 parts of calcium-zinc composite stabilizing agent, 1010
2 parts of antioxidant, 2 parts of anti-aging agent, 5 parts of vulcanizing agent, 15 parts of white carbon black and 2 parts of paraffin.
4. a kind of low temperature resistant cable according to claim 3, it is characterised in that: the chlorination rate of the CPE rubber is located at
Between 28%-32%.
5. a kind of low temperature resistant cable according to claim 3, it is characterised in that: the cold resistant plasticizer is by terephthalic acid (TPA)
Dioctyl ester and dioctyl adipate composition, and the ratio of dioctyl phthalate and dioctyl adipate is 7:3.
6. a kind of low temperature resistant cable according to claim 1, it is characterised in that: its raw material of the composition of the insulating layer (2)
It is as follows by weight: 30 parts of high density polyethylene (HDPE), 5 parts of carbon black, 1 part of phthalic acid ester, 0.5 part of dioctyl adipate, magnesium system
1 part of activation stable, 1 part of antioxidant, 1 part of anti-aging agent and 2 parts of vulcanizing agent.
7. a kind of production technology of low temperature resistant cable described in claim 1, characterized by the following steps:
S1: insulating layer preparation: by high density polyethylene (HDPE), carbon black, phthalic acid ester, dioctyl adipate, magnesium system activation stable,
Antioxidant, anti-aging agent and vulcanizing agent are added in kneading machine according to the proportion to be kneaded, and temperature is 90-100 DEG C, process time
It is 15 minutes, raw material is sent into modeling white silk machine after the completion of mixing and carries out moulding experienced processing, after moulding white silk, raw material is sent into wrapped
Raw material, is coated on core, to be formed by the wrapped processing of extrusion for carrying out core in machine by extrusion die by winding machine
Insulating layer；
S2, metal screen layer cladding: by winding machine by metallic shield net solderless wrapped connection on the outside of insulating layer, to form metallic shield
Layer；
S3, rock wool thermal insulation layer cladding: rock wool screen cloth is coated on the outside of insulating layer by winding machine, to form rock wool thermal insulation layer
Cladding；
S4, external protection preparation: cold resistant plasticizer, calcium-zinc composite stabilizing agent, 1010 anti-oxidant by EPDM rubber, CPE rubber
Agent, anti-aging agent, white carbon black and paraffin are added in kneading machine according to the proportion to be kneaded, and after temperature rises to 100 DEG C, keeps 1-
2 minutes can dumping, raw material obtained and vulcanizing agent are added together in vulcanizer and carry out vulcanizing treatment, curing temperature is
150-160 DEG C, the time is 10-15 minutes, is added raw materials into extruser after vulcanizing treatment is complete, will be former by extrusion die
Material, which squeezes out, to be coated on the outside of core, to form external protection.
8. a kind of production technology of low temperature resistant cable according to claim 7, it is characterised in that: in the step S1, line
Core needs to carry out gradient cooling after the completion of wrapped, and the temperature of the first sink is 50-60 DEG C, the temperature of the second sink is 35-
50 DEG C, third sink use normal temperature circulation water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868162.5A CN109102930A (en) | 2018-08-02 | 2018-08-02 | A kind of low temperature resistant cable and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868162.5A CN109102930A (en) | 2018-08-02 | 2018-08-02 | A kind of low temperature resistant cable and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109102930A true CN109102930A (en) | 2018-12-28 |
Family
ID=64848454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810868162.5A Pending CN109102930A (en) | 2018-08-02 | 2018-08-02 | A kind of low temperature resistant cable and its production technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN109102930A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118047999A (en) * | 2024-03-25 | 2024-05-17 | 广东弘山川电子科技有限公司 | High-temperature-resistant insulating rubber material and preparation method and application thereof |
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| CN204375455U (en) * | 2015-02-01 | 2015-06-03 | 天津市海燕电线电缆制造有限公司 | A kind of environment-friendly electric wire cable reducing carbon discharge capacity |
| US20160148724A1 (en) * | 2014-11-20 | 2016-05-26 | Hitachi Metals, Ltd. | Power transmission cable using non-halogen flame-retardant resin composition |
| CN105838073A (en) * | 2016-03-30 | 2016-08-10 | 安徽华海特种电缆集团有限公司 | Ultralow temperature-resistant environment-friendly cross-linked polyolefin cable for wind power generation |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516675A (en) * | 2011-11-21 | 2012-06-27 | 安徽蓝德集团股份有限公司 | Mining cable rubber sheath glue |
| CN102653618A (en) * | 2012-04-12 | 2012-09-05 | 青岛海尔新材料研发有限公司 | Environment-friendly cold-resistant polyvinyl chloride cable material and preparation method thereof |
| US20160148724A1 (en) * | 2014-11-20 | 2016-05-26 | Hitachi Metals, Ltd. | Power transmission cable using non-halogen flame-retardant resin composition |
| CN204375455U (en) * | 2015-02-01 | 2015-06-03 | 天津市海燕电线电缆制造有限公司 | A kind of environment-friendly electric wire cable reducing carbon discharge capacity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118047999A (en) * | 2024-03-25 | 2024-05-17 | 广东弘山川电子科技有限公司 | High-temperature-resistant insulating rubber material and preparation method and application thereof |
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Application publication date: 20181228 |