CN211208010U

CN211208010U - Breathing and air guiding integrated cable

Info

Publication number: CN211208010U
Application number: CN201922325228.9U
Authority: CN
Inventors: 季少波; 姜超; 姜茂盛; 李健; 张小平; 刘波; 杨小峰
Original assignee: Anhui Hongyuan Special Cable Group Co ltd
Current assignee: Anhui Hongyuan Special Cable Group Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-07
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a respiratory and air guide comprehensive cable, which is formed by comprehensively cabling a SYV75-3-41 radio frequency cable, six groups of signal wire shielding wire cores and four power line insulating wire cores by taking an air guide tube as the center; the cable core is sequentially provided with a non-woven fabric belting isolation layer and an aramid fiber woven enhancement layer, and finally extruded with irradiation chlorosulfonated polyethylene as an outer sheath. This cable acts on the connection of long tube respirator, possess and collect breathing air guide, electric power, data communication transmission in the comprehensive properties of an organic whole, make operating personnel need not bear heavy oxygen cylinder, be applicable to gallery, pipeline, the long-time operation of deep well, deep sea survey, salvage, have long tube respirator air guide connecting cable in other oxygen deficiency environment such as dense smoke, dust.

Description

Breathing and air guiding integrated cable

Technical Field

The utility model relates to a breathe air guide composite cable belongs to the wire and cable field.

Background

The long-term work in the environment with dust or toxic gas can cause harm to the respiratory system of the human body if proper protective products are not used. The damage to lung organs and tissues is usually severe and irrecoverable, the finer the dust, the easier it can enter the bronchial end, and the greater the lethality. The respiratory protection article is personal protection equipment for preventing oxygen-deficient air and toxic and harmful substances from being inhaled into respiratory organs to cause injury to human bodies. In production, daily life and some extreme occasions, the respiratory protection articles are adopted to avoid or reduce the harm of toxic and harmful substances in the environment to human bodies through respiratory organs, and are increasingly paid attention to and paid attention to by people. Respiratory protection is classified into self-priming type, self-feeding type and power air-supplying type according to air supply principle and air supply mode. The power air supply type respiratory protection article refers to a respiratory protection article which overcomes component resistance by power, provides an air source and ensures normal breathing of personnel, such as a military filtering air supply mask, an air supply type long-tube respirator and the like. The breathing and air guiding integrated cable is used as a connecting cable for connecting a respirator and air supply equipment, has the characteristic of multiple purposes, and can conduct air and transmit electric power and radio frequency signals. The umbilical cable is formed by twisting a sounding pipe, an air supply pipe and a four-core telephone wire into a twisted umbilical cord, the umbilical cord is easy to damage in severe environment due to the fact that the umbilical cord is not provided with a sheath and a protective layer, the research and development in the field are in the starting stage at present in China, and the umbilical cable has wide market prospects in military equipment, fire protection and ocean engineering, so that the comprehensive breathing and air guiding cable is developed, the safety of personal protection is improved, and the umbilical cable has important social significance and economic significance.

SUMMERY OF THE UTILITY MODEL

For filling the blank that the above field needs, the utility model discloses an it synthesizes cable to provide a breathe air guide, the successful solution air supply formula long tube respirator air guide and electrically conductive problem for the cable has excellent air conductivity, keeps power transmission, control signal and radio frequency signal transmission's reliability simultaneously, makes the cable have the multi-purpose characteristics of a cable.

The scheme of the utility model is as follows: a breathing and air guiding integrated cable is characterized in that a plurality of tinned round copper wires are twisted into a conductor;

the conductor is externally extruded with an irradiation crosslinked polyethylene insulating layer to form a power line insulating wire core;

the conductor is externally extruded with a low-density polyethylene insulating layer to form a signal line insulating wire core;

two strands of signal wire insulated wire cores are twisted in pairs and then braided into tinned round copper wires to form a shielding wire core;

the conductor I is externally extruded with a low-density polyethylene insulating layer I to form a radio frequency cable insulating core; an oxygen-free round copper wire is braided outside the low-density polyethylene insulating layer I to form a radio frequency cable shielding layer, and a flame-retardant polyolefin layer is extruded outside the shielding layer to form an SYV75-2-41 radio frequency cable;

a polyvinyl chloride layer is extruded out of the center of the cable to serve as an inner layer of the air duct, a nylon fiber reinforced layer is woven outside the polyvinyl chloride layer, and the polyvinyl chloride layer is extruded outside the nylon fiber reinforced layer to serve as an outer layer of the air duct;

the SYV75-2-41 radio frequency cable, the signal wire shielding wire core and the power wire insulating wire core are comprehensively cabled around the air guide tube to form a comprehensive cable core;

the integrated cable core is wrapped with a non-woven fabric wrapping layer, an aramid fiber yarn (11) reinforcing layer is woven outside the non-woven fabric wrapping layer, and an irradiation chlorosulfonated polyethylene outer sheath is extruded outside the aramid fiber yarn reinforcing layer.

Furthermore, one SYV75-2-41 radio frequency cable, six groups of signal wire shielding wire cores and four power line insulating wire cores are integrally cabled around the air guide tube to form an integrated cable core;

further, the insulation thickness of the irradiation crosslinked polyethylene insulation layer is 0.6-1.0 mm; the insulation thickness of the low-density polyethylene insulation layer is 0.5-1.3 mm; the thickness of the polyvinyl chloride of the gas guide tube is 0.8-1.5 mm; the thickness of the flame-retardant polyolefin sheath is 0.5-0.9 mm; the thickness of the irradiated chlorosulfonated polyethylene is 1.0-2.0 mm

The utility model discloses a beneficial effect embodies:

1. multiple functions and small volume: the breathing and gas guiding integrated cable is formed by integrating the gas guide tube, the power line, the signal line and the radio frequency line into a cable, so that the cable has an excellent gas guiding function, an electric conduction function and a signal transmission function, and the volume of the cable is reduced.

2. Excellent safety: the breathing and air guiding integrated cable adopts the air guide tube as a central layer, the air guide tube is made of polyvinyl chloride materials, and the nylon yarn woven reinforcing layer is arranged between the inner layer and the outer layer, so that the air guide tube has excellent anti-deformation capability, and the air guide tube can keep a good shape when the cable is pressed.

3. Excellent flexibility: the flexibility of the cable is fully considered in the design process, so that the conductor twisting and cabling pitches are twisted by adopting pitches with small pitch-diameter ratios, the pitch-diameter ratio of the conductor is controlled to be 10-12 times, the twisting pitch of the core wire of the cable is controlled to be 10-14 times, and the flexibility of the cable is effectively improved.

4. Good seawater corrosion resistance and wear resistance: the comprehensive breathing and gas guiding cable adopts an irradiation cross-linked chlorosulfonated polyethylene sheath material, and after the material is irradiated, a relatively independent chain structure material with the original plastic property is changed into a three-dimensional net structure material without the plastic property, so that the mechanical and physical properties of the sheath are greatly improved, and the properties of wear resistance, seawater corrosion resistance, cracking resistance, aging resistance, service life and the like are greatly improved.

5. Excellent tensile and damage resistance: the nylon yarn weaving enhancement layer is arranged between the inner layer and the outer layer of the air guide tube of the breathing and air guide integrated cable, and the aramid yarn weaving enhancement layer is arranged outside the core of the integrated cable, so that the cable has excellent tensile capacity and damage resistance, and the breaking resistance can reach 8 kN.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The utility model discloses a cable, including stranded tinned wire stranding conductor. The conductor 1 is externally extruded with an irradiation crosslinked polyethylene insulating layer 2 to form a power line insulating core, the conductor II 1-1 is externally extruded with a low-density polyethylene insulating layer 3 to form a signal line insulating core, and two signal line insulating cores are twisted in pairs to weave a tinned round copper wire 4 to form a shielding core; a plurality of strands of anaerobic flexible round copper wire stranded conductors I1-2 are extruded outside the conductors I1-2 to form radio frequency cable insulation wire cores, anaerobic round copper wires are woven outside the low density polyethylene insulation layers I3-1 to form a radio frequency cable shielding layer 5, and a flame-retardant polyolefin layer 6 is extruded outside the shielding layer 5 to form an SYV75-2-41 radio frequency cable.

A polyvinyl chloride layer 7 extruded from the center of the cable is used as an inner layer of the air duct, a nylon fiber reinforced layer 8 is woven outside the polyvinyl chloride layer, and a polyvinyl chloride layer I7-1 is extruded outside the nylon fiber reinforced layer 8 and is used as an outer layer of the air duct; an SYV75-2-41 radio frequency cable, six groups of signal wire shielding wire cores and four power wire insulating wire cores are integrated and cabled around the air duct to form an integrated cable core 9; the integrated cable core 9 is wrapped with a non-woven fabric belting isolation layer 10, an aramid fiber wire enhancement layer 11 is woven outside the non-woven fabric belting isolation layer 10, and an irradiation chlorosulfonated polyethylene outer sheath 12 is extruded outside the aramid fiber wire enhancement layer 11.

The utility model discloses breathe air guide combination cable when guaranteeing that the cable has good breathing air guide function, also embody the cable and have good compliance, bending resistance and pull resistance, also demonstrate very good electrical property and environmental performance simultaneously, this cable acts on long tube respirator's connection, possess collection breathing air guide, electric power, data communication transmission in the comprehensive properties of an organic whole, make operating personnel need not bear heavy oxygen cylinder, be applicable to the gallery, the pipeline, the deep well, long time operation, deep sea surveys, salvage, has dense smoke, long tube respirator air guide connecting cable in other oxygen deficiency environments such as dust, improve the security of adverse circumstances operation.

The structure and performance indexes of the breathing and gas guiding comprehensive cable are listed in Table 1

TABLE 1

Although specific embodiments of the present invention have been described and illustrated in detail, it should be understood that various equivalent changes and modifications can be made to the above embodiments in accordance with the present invention, and the functional effects thereof without departing from the spirit of the present invention are also within the scope of the present invention.

Claims

1. A breathing and gas guiding integrated cable is characterized in that a plurality of strands of tinned round copper wires are twisted into a conductor;

2. The respiratory and airway composite cable according to claim 1, wherein one SYV75-2-41 rf cable, six groups of signal wire shielding wire cores and four power wire insulated wire cores are integrally cabled around the airway tube to form a composite cable core.

3. The comprehensive breathing gas guide cable according to claim 1, wherein the insulation thickness of the irradiation cross-linked polyethylene insulation layer is 0.6-1.0 mm; the insulation thickness of the low-density polyethylene insulation layer is 0.5-1.3 mm; the thickness of the polyvinyl chloride of the gas guide tube is 0.8-1.5 mm; the thickness of the flame-retardant polyolefin sheath is 0.5-0.9 mm; the thickness of the irradiated chlorosulfonated polyethylene is 1.0-2.0 mm.