阅读说明：本技术 一种安全防爆防水防潮的电路电缆及制作工艺 (Safe explosion-proof, waterproof and damp-proof circuit cable and manufacturing process ) 是由 王琼 于 2020-05-21 设计创作，主要内容包括：本发明公开了一种安全防爆防水防潮的电路电缆及制作工艺,包括：由重量比为3:2的电缆料1和电缆料2组成；以重量份计,所述电缆料1包含以下组分：90-100份表面功能化氢氧化镁、50-80份聚烯烃树脂、50-80份PVC、5-10份改性聚丙烯、5-10份邻苯二甲酯二辛脂、0.1-0.5份抗氧剂、1-5份乙烯基硅烷、0.1-1份引发剂、1-5份相容剂；以重量份计,所述电缆料2包含以下组分：90-100份表面功能化氢氧化镁、50-80份聚烯烃树脂、50-80份PVC、5-10份改性聚丙烯、5-10份邻苯二甲酯二辛脂、0.1-0.5份抗氧剂、0.1-1份引发剂、1-5份相容剂。本发明有益效果是：通过改性聚丙烯和相容剂,改性聚丙烯具有更优异的强度和韧性,综合性能达到和超过通用工程塑料,机械强度好、模量高,可在相当负荷下工作,耐热性好。(The invention discloses a safe explosion-proof waterproof and moisture-proof circuit cable and a manufacturing process thereof, wherein the safe explosion-proof waterproof and moisture-proof circuit cable comprises the following steps: the cable material consists of a cable material 1 and a cable material 2 in a weight ratio of 3: 2; the cable material 1 comprises the following components in parts by weight: 90-100 parts of surface functionalized magnesium hydroxide, 50-80 parts of polyolefin resin, 50-80 parts of PVC, 5-10 parts of modified polypropylene, 5-10 parts of dimethyl phthalate dioctyl ester, 0.1-0.5 part of antioxidant, 1-5 parts of vinyl silane, 0.1-1 part of initiator and 1-5 parts of compatilizer; the cable material 2 comprises the following components in parts by weight: 90-100 parts of surface functionalized magnesium hydroxide, 50-80 parts of polyolefin resin, 50-80 parts of PVC, 5-10 parts of modified polypropylene, 5-10 parts of dimethyl phthalate dioctyl ester, 0.1-0.5 part of antioxidant, 0.1-1 part of initiator and 1-5 parts of compatilizer. The invention has the beneficial effects that: through the modified polypropylene and the compatilizer, the modified polypropylene has more excellent strength and toughness, the comprehensive performance reaches or exceeds that of general engineering plastics, the mechanical strength is good, the modulus is high, the modified polypropylene can work under a considerable load, and the heat resistance is good.)

1. The utility model provides a safe explosion-proof waterproof moisture proof's circuit cable which characterized in that includes: the cable material consists of a cable material 1 and a cable material 2 in a weight ratio of 3: 2;

the cable material 1 comprises the following components in parts by weight: 90-100 parts of surface functionalized magnesium hydroxide, 50-80 parts of polyolefin resin, 50-80 parts of PVC, 5-10 parts of modified polypropylene, 5-10 parts of dimethyl phthalate dioctyl ester, 0.1-0.5 part of antioxidant, 1-5 parts of vinyl silane, 0.1-1 part of initiator and 1-5 parts of compatilizer;

the cable material 2 comprises the following components in parts by weight: 90-100 parts of surface functionalized magnesium hydroxide, 50-80 parts of polyolefin resin, 50-80 parts of PVC, 5-10 parts of modified polypropylene, 5-10 parts of dimethyl phthalate dioctyl ester, 0.1-0.5 part of antioxidant, 0.1-1 part of initiator and 1-5 parts of compatilizer;

and stirring the cable material 1 and the cable material 2 by a mixer, heating and stirring, extruding and molding by an extruding machine, cooling and cutting, detecting and warehousing to form the circuit cable insulating layer.

2. A safe explosion-proof, waterproof and moisture-proof circuit cable as recited in claim 1, wherein: the compatilizer is in a powder shape and is maleic anhydride grafted compatilizer.

3. A safe explosion-proof, waterproof and moisture-proof circuit cable as recited in claim 1, wherein: the modified polypropylene is reinforced polypropylene.

4. A manufacturing process of a safe explosion-proof, waterproof and moisture-proof circuit cable is characterized by comprising the following steps of: the method comprises the following steps:

s1, drawing a copper rod, and preheating a copper rod drawing die;

s2, annealing, namely after the step S1 is finished, annealing the processed copper wire;

s3, stranding, annealing, and then, concentrically and compositely stranding a plurality of copper wires to obtain a cable core;

s4, performing three-layer co-extrusion, and performing three-layer co-extrusion treatment on the cable core after the step S3 is finished;

s5, wrapping for the first time, and after the step S4 is finished, performing wrapping treatment on the cable core;

s6, carrying out copper wire and copper tape shielding treatment on the cable core after the step S6 is finished;

s7, secondary lapping, and after the step S6 is finished, lapping the cable;

s8, carrying out a first partial discharge test, and carrying out the partial discharge test on the cable after the step S7 is completed;

s9, lining extrusion, and after the step S8 is finished, lining extrusion treatment is carried out on the cable core;

s10, wrapping for the third time, and after the step S9 is finished, performing wrapping processing on the cable;

s11, aluminum wire armoring, and after the step S10 is finished, aluminum wire armoring treatment is carried out on the cable;

s12, wrapping for the fourth time, and after the step S11 is finished, performing wrapping processing on the cable;

s13, extruding a sheath, and after the step S18 is finished, carrying out sheath extruding treatment on the cable;

s14, performing a second partial discharge test, namely performing the partial discharge test on the cable after the step S19 is finished;

and S15, performing a high-temperature explosion-proof test, and after the partial discharge test is finished, placing the cable into a high-temperature detection box to perform high-temperature explosion-proof detection on the cable.

S16, detecting finished products, detecting the finished cable products after the step S20 is finished, removing unqualified products, and recycling the rejected products;

and S17, packaging and warehousing, packaging qualified products, and uniformly putting the packaged products into a warehouse for storage.

6. A manufacturing process of a safe explosion-proof, waterproof and moisture-proof circuit cable according to claim 4, characterized in that: and preheating the wire drawing die in the S1, wherein the preheating temperature is 750-1000 ℃.

7. A manufacturing process of a safe explosion-proof, waterproof and moisture-proof circuit cable according to claim 4, characterized in that: and the finished product detection adopts a sampling detection mode for detection.

8. A manufacturing process of a safe explosion-proof, waterproof and moisture-proof circuit cable according to claim 4, characterized in that: the high-temperature explosion-proof test is carried out twice, the internal temperature of the first high-temperature detection box is 25-40 ℃, and the internal temperature of the second high-temperature detection box is 40-120 ℃.

9. A manufacturing process of a safe explosion-proof, waterproof and moisture-proof circuit cable according to claim 4, characterized in that: the high-temperature detection box is a damp-heat test box, and the humidity inside the damp-heat test box is constant.

Technical Field

The invention relates to the field of cables, in particular to a safe explosion-proof, waterproof and moisture-proof circuit cable and a manufacturing process thereof.

Background

The cable usually consists of several or several groups of wires, the power cable is used for transmitting and distributing electric energy, and the power cable is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater; the circuit cable is in the use, because the rupture of the circuit cable insulating layer that high temperature insolatees and leads to, has certain potential safety hazard when leading to the circuit cable to use.

Disclosure of Invention

The invention mainly aims to provide a safe explosion-proof, waterproof and moisture-proof circuit cable and a manufacturing process thereof, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a safe explosion-proof, water-proof, and moisture-proof circuit cable comprising: the cable material consists of a cable material 1 and a cable material 2 in a weight ratio of 3: 2;

the cable material 1 comprises the following components in parts by weight: 90-100 parts of surface functionalized magnesium hydroxide, 50-80 parts of polyolefin resin, 50-80 parts of PVC, 5-10 parts of modified polypropylene, 5-10 parts of dimethyl phthalate dioctyl ester, 0.1-0.5 part of antioxidant, 1-5 parts of vinyl silane, 0.1-1 part of initiator and 1-5 parts of compatilizer;

the cable material 2 comprises the following components in parts by weight: 90-100 parts of surface functionalized magnesium hydroxide, 50-80 parts of polyolefin resin, 50-80 parts of PVC, 5-10 parts of modified polypropylene, 5-10 parts of dimethyl phthalate dioctyl ester, 0.1-0.5 part of antioxidant, 0.1-1 part of initiator and 1-5 parts of compatilizer;

and stirring the cable material 1 and the cable material 2 by a mixer, heating and stirring, extruding and molding by an extruding machine, cooling and cutting, detecting and warehousing to form the circuit cable insulating layer.

Preferably, the compatilizer is in a powder shape, and the compatilizer is maleic anhydride grafted compatilizer.

Preferably, the modified polypropylene is a reinforced polypropylene.

A manufacturing process of a safe explosion-proof, waterproof and moisture-proof circuit cable is characterized by comprising the following steps of: the method comprises the following steps:

s1, drawing a copper rod, and preheating a copper rod drawing die;

s2, annealing, namely after the step S1 is finished, annealing the processed copper wire;

s3, stranding, annealing, and then, concentrically and compositely stranding a plurality of copper wires to obtain a cable core;

s4, performing three-layer co-extrusion, and performing three-layer co-extrusion treatment on the cable core after the step S3 is finished;

s5, wrapping for the first time, and after the step S4 is finished, performing wrapping treatment on the cable core;

s6, carrying out copper wire and copper tape shielding treatment on the cable core after the step S6 is finished;

s7, secondary lapping, and after the step S6 is finished, lapping the cable;

s8, carrying out a first partial discharge test, and carrying out the partial discharge test on the cable after the step S7 is completed;

s9, lining extrusion, and after the step S8 is finished, lining extrusion treatment is carried out on the cable core;

s10, wrapping for the third time, and after the step S9 is finished, performing wrapping processing on the cable;

s11, aluminum wire armoring, and after the step S10 is finished, aluminum wire armoring treatment is carried out on the cable;

s12, wrapping for the fourth time, and after the step S11 is finished, performing wrapping processing on the cable;

s13, extruding a sheath, and after the step S18 is finished, carrying out sheath extruding treatment on the cable;

s14, performing a second partial discharge test, namely performing the partial discharge test on the cable after the step S19 is finished;

and S15, performing a high-temperature explosion-proof test, and after the partial discharge test is finished, placing the cable into a high-temperature detection box to perform high-temperature explosion-proof detection on the cable.

S16, detecting finished products, detecting the finished cable products after the step S20 is finished, removing unqualified products, and recycling the rejected products;

and S17, packaging and warehousing, packaging qualified products, and uniformly putting the packaged products into a warehouse for storage.

Preferably, the wire drawing die in S1 is preheated, wherein the preheating temperature is 750-1000 ℃.

Preferably, the finished product detection adopts a sampling detection mode for detection.

Preferably, the high-temperature explosion-proof test is carried out twice, the internal temperature of the first high-temperature detection box is 25-40 ℃, and the internal temperature of the second high-temperature detection box is 40-120 ℃.

Preferably, the high-temperature detection box is a damp-heat test box, and the humidity inside the damp-heat test box is constant.

Compared with the prior art, the invention has the following beneficial effects: the modified polypropylene has more excellent strength and toughness, the comprehensive performance reaches or exceeds that of general engineering plastics, the mechanical strength is good, the modulus is high, the modified polypropylene can work under a considerable load, the heat resistance is good, the impact toughness is excellent, the modified polypropylene can be used within the temperature range of minus 30 to minus 110 ℃, the chemical stability is good, the compatilizer is a maleic anhydride grafting compatilizer, the material has high polarity and reactivity by introducing a strong-polarity reactive group into the maleic anhydride grafting compatilizer, and the modified polypropylene is a high-molecular interface coupling agent, a compatilizer and a dispersion promoter.

Drawings

Fig. 1 is a schematic process flow diagram of a manufacturing process of a safe explosion-proof, waterproof and moisture-proof circuit cable according to the invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.