CN220821160U

CN220821160U - High-temperature-resistant shielding type compensating wire

Info

Publication number: CN220821160U
Application number: CN202321937518.9U
Authority: CN
Inventors: 韩文海
Original assignee: Anhui Deshun Cable Co ltd
Current assignee: Anhui Deshun Cable Co ltd
Priority date: 2023-07-22
Filing date: 2023-07-22
Publication date: 2024-04-19
Anticipated expiration: 2033-07-22

Abstract

The utility model discloses a high-temperature-resistant shielding type compensating wire, which comprises a high-temperature-resistant outer sheath and a plurality of wire cores wound and twisted in the high-temperature-resistant outer sheath, wherein the wire cores comprise conductors, the conductors are sequentially coated with a conductor shielding layer, an insulating layer and an insulating shielding layer along the direction from inside to outside, an inner liner layer is arranged outside the wire cores, a flame-retardant filling layer is filled between the wire cores in the inner liner layer, a wire armor capable of shielding low-frequency electromagnetic waves is arranged outside the inner liner layer, and the outer sheath is sleeved outside the wire armor. Compared with the prior art, the utility model has the advantages that: high temperature resistant, multilayer shielding, shielding layer buckle and difficult damage along with the wire.

Description

High-temperature-resistant shielding type compensating wire

Technical Field

The utility model relates to the technical field of compensation wires, in particular to a high-temperature-resistant shielding type compensation wire.

Background

The main function of the compensation lead is to move the cold end of the thermocouple from a high temperature to a place with stable temperature, and meanwhile, the noble metal and rare metal adopted by the thermocouple can be saved, so that the aim of saving cost is achieved.

The existing high-temperature-resistant shielding type compensating wire has the high-temperature-resistant and shielding functions, but because the compensating wire needs to be bent according to specific use conditions in the switching process, a common shielding layer is mostly used for single shielding outside a single-strand wire core or on a multi-strand wire core, if an aluminum foil is used for shielding, because the aluminum foil is thinner and the ductility is crossed, the use of the compensating wire is influenced because the shielding layer is easy to break when the wire is bent.

Disclosure of utility model

The utility model aims to overcome the technical defects and provide the high-temperature-resistant shielding type compensation wire which is resistant to high temperature, multi-layer shielding, bending of a shielding layer along with the wire and not easy to damage.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a high temperature resistant shielding formula compensation wire, includes high temperature resistant oversheath and twines a plurality of sinle silk of locating in the high temperature resistant oversheath, the sinle silk includes the conductor, the conductor has conductor shielding layer, insulating layer and insulating shielding layer along from inside to outside direction cladding in proper order, the sinle silk is equipped with the inner liner outward, it has fire-retardant filling layer to fill between the sinle silk in the inner liner, the inner liner is equipped with the wire armor that can shield low frequency electromagnetic wave outward, the oversheath cover is located outside the wire armor, wear-resisting layer is outward to the high temperature resistant oversheath.

Compared with the prior art, the utility model has the advantages that: the high-temperature-resistant outer sheath is convenient for protecting the wire core, so that the wire core can keep stable electrical property and insulating property in a high-temperature environment; meanwhile, the arrangement of the conductor shielding layer is convenient for shielding high-frequency electromagnetic waves, and the arrangement of the insulating layer and the insulating shielding layer prevents current between the conductor and the external environment from flowing and prevents current from short circuit or electric leakage; the flame-retardant filling layer and the wire core are conveniently coated through the arrangement of the inner liner layer, the wire core is conveniently positioned through the arrangement of the flame-retardant filling layer, and the wire core is prevented from shifting in the moving or bending process of the compensation wire; the arrangement of the metal wire armor is convenient for shielding low-frequency electromagnetic waves.

Further, the conductor shielding layer adopts the aluminium foil to set up, the aluminium foil is fold form, makes the aluminium foil be difficult for damaging when the wire is buckled through the setting of fold form aluminium foil, has guaranteed that it has certain ductility, is convenient for shield high frequency electromagnetic wave.

Furthermore, the insulating layer is made of a Teflon material, and the Teflon material has excellent high temperature resistance, so that the insulating layer can keep good insulating performance at high temperature.

Furthermore, the metal wire armor adopts a twill staggered weaving structure, has certain ductility, and is convenient for matching with the requirement of wire bending.

Further, the high-temperature-resistant outer sheath is protected conveniently through the arrangement of the wear-resistant layer, and the service life of the high-temperature-resistant outer sheath is prolonged conveniently.

Furthermore, the conductor is externally coated with a protective coating capable of avoiding oxidation of the conductor, so that the conductor can be conveniently and effectively isolated from contact of air and moisture, and the possibility of oxidation of the conductor or generation of verdigris is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a high temperature resistant shielding type compensating wire according to the present utility model.

As shown in the figure: 1. a high temperature resistant outer sheath, 2, a wire core, 3, a conductor, 4, a conductor shielding layer, 5, an insulating layer, 6, an insulating shielding layer, 7, an inner liner layer, 8, a flame-retardant filling layer, 9, a metal wire armor, 10, a wear-resistant layer, 11 and a protective coating.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1.

Referring to fig. 1, a high temperature resistant shielding type compensating wire comprises a high temperature resistant outer sheath 1 and a plurality of wire cores 2 wound and twisted in the high temperature resistant outer sheath 1, wherein each wire core 2 comprises a conductor 3, a protective coating 11 capable of preventing the conductor 3 from being oxidized is coated outside the conductor 3, a conductor 3 shielding layer, an insulating layer 5 and an insulating shielding layer 6 are sequentially coated on the conductor 3 along the direction from inside to outside, the conductor 3 shielding layer is arranged by adopting an aluminum foil, the aluminum foil is in a corrugated shape, and the insulating layer 5 is made of Teflon;

With reference to fig. 1, an inner liner 7 is arranged outside the wire core 2, a flame-retardant filling layer 8 is filled between the wire cores 2 in the inner liner 7, a metal wire armor 9 is arranged outside the inner liner 7, the metal wire armor 9 adopts a twill staggered weaving structure, an outer sheath is sleeved outside the metal wire armor 9, and a wear-resisting layer 10 is arranged outside the high-temperature-resistant outer sheath 1.

When the utility model is implemented, the protective coating 11 is convenient for the conductor 3 to effectively isolate the contact of air and moisture, and reduces the possibility of oxidation or generation of copper green of the conductor 3; the arrangement of the shielding layer of the conductor 3 is convenient for shielding high-frequency electromagnetic waves, and the aluminum foil is not easy to damage when the lead is bent through the arrangement of the fold-shaped aluminum foil, so that the lead is ensured to have certain ductility, and the shielding of the high-frequency electromagnetic waves is convenient; the arrangement of the insulating layer 5 and the insulating shielding layer 6 prevents the current between the conductor 3 and the external environment from flowing, prevents the current from short circuit or electric leakage, and ensures that the insulating layer 5 can keep better insulating performance at high temperature due to the excellent high temperature resistance of the Teflon material;

the flame-retardant filling layer 8 and the wire core 2 are conveniently coated through the arrangement of the inner liner 7, the wire core 2 is conveniently positioned through the arrangement of the flame-retardant filling layer 8, and the wire core 2 is prevented from shifting in the moving or bending process of the compensating wire; the arrangement of the metal wire armor 9 is convenient for shielding low-frequency electromagnetic waves, and the metal wire armor 9 adopts a twill staggered weaving structure, has certain ductility and is convenient for matching with the bending requirement of a wire;

The high-temperature-resistant outer sheath 1 is convenient for protecting the wire core 2, so that the wire core 2 can keep stable electrical property and insulating property in a high-temperature environment; the high-temperature-resistant outer sheath 1 is conveniently protected through the arrangement of the wear-resistant layer 10, and the service life of the high-temperature-resistant outer sheath 1 is conveniently prolonged.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a high temperature resistant shielding formula compensation wire, includes high temperature resistant oversheath (1) and twines a plurality of sinle silk (2) of twisting in high temperature resistant oversheath (1), its characterized in that: the wire core (2) comprises a conductor (3), the conductor (3) is sequentially coated with a conductor (3) shielding layer, an insulating layer (5) and an insulating shielding layer (6) along the direction from inside to outside, an inner liner (7) is arranged outside the wire core (2), a flame-retardant filling layer (8) is filled between the wire cores (2) in the inner liner (7), a metal wire armor (9) is arranged outside the inner liner (7), and a wear-resisting layer (10) is arranged outside the high-temperature-resistant outer jacket (1).

2. The high temperature resistant shielded compensating wire of claim 1 wherein: the conductor (3) shielding layer is arranged by adopting aluminum foil, and the aluminum foil is in a corrugated shape.

3. The high temperature resistant shielded compensating wire of claim 1 wherein: and the insulating layer (5) is made of Teflon materials.

4. The high temperature resistant shielded compensating wire of claim 1 wherein: the metal wire armor (9) adopts a twill staggered weaving structure.

5. The high temperature resistant shielded compensating wire of claim 1 wherein: the conductor (3) is externally coated with a protective coating (11) which can prevent the oxidation of the conductor (3).