CN217305619U

CN217305619U - Ultralow temperature resistant miniature detection optical cable

Info

Publication number: CN217305619U
Application number: CN202221006886.7U
Authority: CN
Inventors: 季忠; 李苏盈; 邵佳佳
Original assignee: Jiangsu Tongguang Information Co ltd
Current assignee: Jiangsu Tongguang Information Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-26
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a miniature detection optical cable of resistant ultra-low temperature, including cable core and the cladding that inside optic fibre transposition formed outside the cable core weaving layer, restrictive coating, the tight sleeve pipe of extrusion outside the optic fibre, many optic fibre and many non-metallic filament transposition, I formation cable core in outsourcing band, the outer cladding of cable core sets up the metal covering, cladding non-metallic filament layer, band II outside the metal covering in proper order, extrude the elastomer sheath outside at last. The utility model has the protection of multilayer non-metal wires, high flexibility and good mechanical performance and plays a certain role in heat preservation and cold insulation; the multilayer wrapping belts are arranged to play roles in heat preservation and cold insulation; a metal sleeve is arranged to protect the internal elements; the elastic body sheath is arranged for heat preservation and cold insulation and plays a role in first layer protection.

Description

Ultralow temperature resistant miniature detection optical cable

Technical Field

The utility model relates to an optic fibre field, in particular to miniature detection optical cable of resistant ultra-low temperature.

Background

Along with the development of human science, the detection activities of going to the sky, entering the ground and going to the sea are carried out by human beings, in the detection activities, certain extremely low temperature conditions can be inevitably met, and a common detection optical cable can become brittle due to extreme cold and easy to break under the extremely low temperature state, so that the detection task is influenced, the available space in a detection machine is narrow, and the cable needs to be thin and miniaturized.

The patent application of publication No. CN 202422790U discloses a shielded extra-flexible cable, wherein a conductor is formed by compositely twisting thin copper wires by bundle twisting and strand twisting, an isolation layer and an insulation layer are sequentially arranged on the outer layer of the conductor to form an insulation wire core, and a plurality of insulation wire cores are twisted into a cable to form a cable core; the outer layer of the cable core is sequentially provided with a belting layer, a metal wire main shielding layer and an outer sheath layer. The cable body can not only ensure good shielding, but also meet the requirement of flexibility, is suitable for various different working environments, can be used as a connecting wire of mechanical equipment under special conditions, has few cable core outer protective layers and poor cable body torsion performance, and is easy to break when being frozen and embrittled in some extremely low temperature states.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a miniature detection optical cable of resistant ultra-low temperature, this detection optical cable practicality is strong, and resistant ultra-low temperature has good bending repeatedly and torsional properties.

The utility model adopts the technical proposal that:

the utility model provides a miniature detection optical cable of resistant ultra-low temperature, includes cable core and the cladding of inside optic fibre transposition that forms weaving layer, restrictive coating outside the cable core, the tight sleeve pipe of extrusion outside the optic fibre, many optic fibre and many non-metallic filament transposition, outsourcing band I forms the cable core, the outer cladding of cable core sets up the metal covering, cladding non-metallic filament layer, band II outside the metal covering in proper order, extrude the elastomer sheath outside at last.

Furthermore, the optical fiber is a single-mode or multi-mode optical fiber insensitive to bending loss, and has strong data transmission capability.

Furthermore, the material of the tight sleeve and the elastomer sheath is polytetrafluoroethylene, and the outer diameter of the tight sleeve is 0.6mm or 0.9 mm.

Further, the non-metal wire and the non-metal wire layer are made of aramid yarns, the non-metal wires are filled between the optical fibers and the tight sleeve, and the non-metal wire layer is formed by weaving the non-metal wires outside the metal sleeve.

Furthermore, the wrapping tape I and the wrapping tape II are polyimide films and have the functions of heat preservation and cold insulation.

Further, the material of the metal sleeve is 316L fine steel for protecting the internal elements.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model has the protection of multilayer non-metal wires, high flexibility and good mechanical performance and plays a certain role in heat preservation and cold insulation;

2. the utility model is provided with a plurality of layers of wrapping belts, which plays the roles of heat preservation and cold insulation;

3. the utility model is provided with a metal sleeve to protect the internal elements;

4. the utility model discloses be equipped with the elastomer sheath for keep warm and separate cold and play the first layer guard action.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

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

Wherein: 1. an optical fiber; 2. tightening the sleeve; 3. a non-metallic wire; 4. a bag strap I; 5. a metal sheath; 6. a non-metallic wire layer; 7. a wrapping belt II; 8. an elastomeric sheath.

Detailed Description

As shown in figure 1, a miniature detection optical cable of resistant ultra-low temperature, including the cable core that 1 transposition of inside optic fibre formed and cladding in the cable core outside weaving layer, restrictive coating, 1 outer extrusion tight sleeve pipe 2 of optic fibre, many optic fibre 1 and the transposition of many non-metallic filament 3, outsourcing band I4 forms the cable core, the outer cladding of cable core sets up metal covering 5, metal covering 5 coats non-metallic filament layer 6 outward in proper order, band II 7, extrude elastomer sheath 8 outward at last for keep warm keep apart cold and play first layer guard action. The utility model has the protection of multilayer non-metal wires, high flexibility and good mechanical performance and plays a certain role in heat preservation and cold insulation; the multilayer wrapping belts are arranged to play roles in heat preservation and cold insulation; a metal sleeve is arranged to protect the internal elements; the elastic body sheath is arranged for heat preservation and cold insulation and plays a role in first layer protection.

The optical fiber 1 is a single-mode or multi-mode optical fiber insensitive to bending losses. The material of the tight sleeve 2 and the elastomer sheath 8 is polytetrafluoroethylene, the outer diameter of the tight sleeve is 0.6mm or 0.9mm, during manufacturing, the optical fiber is paid out, and the tight sleeve optical fiber is formed by extruding the tight sleeve outwards. The non-metal wire 3 and the non-metal wire layer 6 are made of aramid yarns, the non-metal wire 3 is filled between the optical fiber 1 and between the optical fiber 1 and the tight sleeve 2, and the non-metal wire layer is formed by weaving the non-metal wire outside the metal sleeve. The bag belt I4 and the bag belt II 7 are polyimide films. The metal sleeve 5 is made of 316L fine steel.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to be included within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a miniature detection optical cable of resistant ultra-low temperature, includes that inside optic fibre transposition forms the cable core and the cladding weaving layer, the restrictive coating outside the cable core, its characterized in that: the optical fibers are extruded to form the tight sleeve, the optical fibers are stranded with the non-metal wires, the wrapping tape I is wrapped to form a cable core, a metal sleeve is wrapped outside the cable core, the non-metal wire layer and the wrapping tape II are sequentially wrapped outside the metal sleeve, and finally the elastic body sheath is extruded outside.

2. The ultra-low temperature resistant micro detection optical cable according to claim 1, wherein: the optical fiber is a single-mode or multi-mode optical fiber insensitive to bending loss.

3. The ultra-low temperature resistant micro detection optical cable according to claim 1, wherein: the material of tight sleeve pipe, elastomer sheath is polytetrafluoroethylene, and tight sleeve pipe external diameter is 0.6mm or 0.9 mm.

4. The ultra-low temperature resistant micro detection optical cable according to claim 1, wherein: the non-metal wire layer is formed by weaving the non-metal wires outside the metal sleeve.

5. The ultra-low temperature resistant micro detection optical cable according to claim 1, wherein: the bag strap I and the bag strap II are polyimide films.

6. The ultra-low temperature resistant micro detection optical cable according to claim 1, wherein: the metal sleeve is made of 316L fine steel.