CN218038663U

CN218038663U - Halogen-free low-smoke flame-retardant impact-resistant spraying-resistant fire-resistant instrument cable

Info

Publication number: CN218038663U
Application number: CN202221462956.XU
Authority: CN
Inventors: 齐宏文; 梁国华; 胡士来; 何正寅
Original assignee: Yangzhou Shuguang Cable Co Ltd
Current assignee: Yangzhou Shuguang Cable Co Ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-12-13
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a fire-resistant instrument cable that sprays is resisted to zero halogen low fire-retardant shock resistance of instrument cable technical field, including first band layer, be equipped with two sets of conductors in the first band layer, the conductor outer wall is equipped with the flame retardant coating, the flame retardant coating outer wall is equipped with the first insulation layer, be equipped with the filling layer in the first band layer, first band layer outer wall is equipped with the shielding layer, the shielding layer outer wall is equipped with the second insulating layer, second insulating layer outer wall is equipped with the stretch-proofing layer, the stretch-proofing layer outer wall is equipped with the compressive layer, the compressive layer outer wall is equipped with the second band layer, second band layer outer wall is equipped with the oversheath, the material of oversheath is halogen-free low fire-retardant polyolefin, can avoid producing haloacid gas when the oversheath burning to instrument and equipment around the avoiding cable receive the corruption.

Description

Halogen-free low-smoke flame-retardant impact-resistant spraying-resistant fire-resistant instrument cable

Technical Field

The utility model relates to an instrument cable technical field specifically is there is not steamed low fire-retardant shock resistance of cigarette and is able to bear or endure to spray fire-resistant instrument cable.

Background

The cable is an electric energy or signal transmission device, generally is a cable similar to a rope formed by stranding a plurality of or a plurality of groups of wires, each group of wires are mutually insulated and are usually twisted around a center, a highly-insulated covering layer is wrapped outside the whole cable, the cable has the characteristics of internal electrification and external insulation, and the application of electric power is widely popularized along with the development of times.

Most of the outer sheaths of the existing instrument cables are made of PVC materials, the PVC materials contain a large amount of halogen elements, halogen acid gas can be released during combustion, the halogen acid gas can corrode instruments and equipment around, and the existing instrument cables are poor in impact resistance, water resistance and fire resistance and poor in applicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a there is not steamed low fire-retardant shock resistance of cigarette and is able to bear or endure the fire-resistant instrument cable that sprays to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: there is not steamed fire-retardant resistant spraying fire-resistant instrument cable that shocks resistance of low cigarette, including first band layer, be equipped with two sets of conductors in the first band layer, the conductor outer wall is equipped with the flame retardant coating, the flame retardant coating outer wall is equipped with the first insulation layer, be equipped with the filling layer in the first band layer, first band layer outer wall is equipped with the shielding layer, the shielding layer outer wall is equipped with the second insulating layer, second insulating layer outer wall is equipped with stretch-proofing layer, stretch-proofing layer outer wall is equipped with the compressive layer, the compressive layer outer wall is equipped with the second band layer, second band layer outer wall is equipped with the oversheath.

Furthermore, the filling layer is filled with inorganic paper ropes, and reinforcing ribs are arranged on the left side and the right side in the filling layer.

Furthermore, the first insulating layer and the second insulating layer are both made of silicon rubber.

Further, the first wrapping band layer and the second wrapping band layer are formed by winding ceramic silica gel composite bands.

Furthermore, the shielding layer is formed by winding a steel belt, and a copper wire drainage wire is arranged in the shielding layer.

Furthermore, be equipped with multiunit compressive post in the compressive layer, the multiunit compressive post is in be annular array distribution in the compressive layer, the compressive post is the V-arrangement shape setting, the compressive layer is formed by the preparation of rubber material.

Furthermore, the outer sheath is made of halogen-free low-smoke flame-retardant polyolefin material.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the material of the outer sheath is halogen-free low-smoke flame-retardant polyolefin, so that halogen acid gas can be prevented from being generated when the outer sheath is burnt, and instruments and equipment around cables are prevented from being corroded.

2. This practicality can improve the shock resistance of instrument cable under the cooperation of anti-compression layer and compression column, improves the compressive strength of instrument cable, can effectively protect instrument cable, improves instrument cable's stretch-proofing nature simultaneously under the effect on stretch-proofing layer, avoids external pulling force to cause the problem that instrument cable damaged.

3. The utility model discloses first band layer and second band layer are formed by the winding of the compound area of ceramic silica gel, and the compound area of ceramic silica gel has fire-retardant, fire-resistant, fire prevention, separates the effect of fire, can guarantee instrument cable's waterproof fire behavior, and the flame retardant coating is formed around the package winding by the mica tape bilayer simultaneously for instrument cable has fine fire resistance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure a of the present invention.

In the figure: 1. a conductor; 2. a filling layer; 3. a first wrapping layer; 4. a shielding layer; 5. a second insulating layer; 6. a stretch resistant layer; 7. a pressure resistant layer; 8. a compression resistant column; 9. a second band layer; 10. an outer sheath; 11. a refractory layer; 12. a first insulating layer; 13. reinforcing ribs; 14. copper wire drainage wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1, the present invention provides a technical solution: the halogen-free low-smoke flame-retardant shock-resistant spray-resistant fireproof instrument cable comprises a first wrapping layer 3, two groups of conductors 1 are arranged in the first wrapping layer 3, the conductors 1 are formed by twisting fifth tinned copper conductors, a fireproof layer 11 is arranged on the outer wall of each conductor 1, a first insulating layer 12 is arranged on the outer wall of each fireproof layer 11, a filling layer 2 is arranged in the first wrapping layer 3, the filling layer 2 is filled by inorganic paper rope filling, reinforcing ribs 13 are arranged on the left side and the right side in the filling layer 2, the stability of the instrument cable can be improved under the action of the reinforcing ribs 13, a shielding layer 4 is arranged on the outer wall of the first wrapping layer 3, the shielding layer 4 is formed by winding steel belts, copper wire drainage wires 14 are arranged in the shielding layer 4, the copper wire drainage wires 14 are used for drainage and grounding, the shielding effect of the shielding layer 4 is ensured, the shielding layer 4 can avoid external signals from interfering the normal work of the cable, and a second insulating layer 5 is arranged on the outer wall of the shielding layer 4, the outer wall of the second insulating layer 5 is provided with an anti-stretching layer 6, the anti-stretching property of the instrument cable is improved under the action of the anti-stretching layer 6, and the problem that the instrument cable is damaged due to external tension is solved, the outer wall of the anti-stretching layer 6 is provided with a compression layer 7, a plurality of groups of compression columns 8 are arranged in the compression layer 7, the groups of compression columns 8 are distributed in an annular array manner in the compression layer 7, the compression columns 8 are arranged in a V shape, the compression layer 7 is made of rubber materials, the impact resistance of the instrument cable can be improved under the matching of the compression layer 7 and the compression columns 8, the compression strength of the instrument cable is improved, the instrument cable can be effectively protected, the outer wall of the compression layer 7 is provided with a second wrapping layer 9, the outer wall of the second wrapping layer 9 is provided with an outer sheath 10, the outer sheath 10 is made of halogen-free low-smoke flame-retardant polyolefin materials, the outer sheath 10 is made of halogen-free low-smoke flame-retardant polyolefin, and can avoid the halogen acid gas generated when the outer sheath 10 is burnt, thereby avoiding corrosion of the instruments and equipment surrounding the cable.

Referring to fig. 1-2, the first insulating layer 12 and the second insulating layer 5 are made of silicon rubber, so that the insulating property of the instrument cable can be improved and the leakage current can be prevented under the action of the first insulating layer 12 and the second insulating layer 5.

Referring to fig. 1, the first wrapping layer 3 and the second wrapping layer 9 are formed by winding a ceramic silica gel composite tape, and the ceramic silica gel composite tape has flame retardant, fire resistant, fireproof and fire isolating effects, and can ensure the waterproof and fireproof performance of the instrument cable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Halogen-free low smoke flame retardant shock-resistant fire-resistant instrument cable that sprays that nai includes first band layer (3), its characterized in that: be equipped with two sets of conductors (1) in first band layer (3), conductor (1) outer wall is equipped with flame retardant coating (11), flame retardant coating (11) outer wall is equipped with first insulating layer (12), be equipped with filling layer (2) in first band layer (3), first band layer (3) outer wall is equipped with shielding layer (4), shielding layer (4) outer wall is equipped with second insulating layer (5), second insulating layer (5) outer wall is equipped with stretch-proofing layer (6), stretch-proofing layer (6) outer wall is equipped with crushing layer (7), crushing layer (7) outer wall is equipped with second band layer (9), second band layer (9) outer wall is equipped with oversheath (10).

2. The halogen-free low-smoke flame-retardant impact-resistant spray-resistant fire-resistant instrument cable according to claim 1, characterized in that: the filling layer (2) is filled by using inorganic paper ropes, and reinforcing ribs (13) are arranged on the left side and the right side in the filling layer (2).

3. The halogen-free low-smoke flame-retardant impact-resistant spray-resistant fire-resistant instrument cable according to claim 1, characterized in that: the first insulating layer (12) and the second insulating layer (5) are both made of silicon rubber materials.

4. The halogen-free low-smoke flame-retardant impact-resistant spray-resistant fire-resistant instrument cable according to claim 1, characterized in that: the first wrapping belt layer (3) and the second wrapping belt layer (9) are formed by winding ceramic silica gel composite belts.

5. The halogen-free low-smoke flame-retardant impact-resistant spray-resistant fire-resistant instrument cable according to claim 1, characterized in that: the shielding layer (4) is formed by winding a steel belt, and a copper wire drainage wire (14) is arranged in the shielding layer (4).

6. The halogen-free low-smoke flame-retardant impact-resistant spray-resistant fire-resistant instrument cable according to claim 1, characterized in that: the pressure-resistant layer is characterized in that multiple groups of pressure-resistant columns (8) are arranged in the pressure-resistant layer (7), the multiple groups of pressure-resistant columns (8) are distributed in the pressure-resistant layer (7) in an annular array manner, the pressure-resistant columns (8) are arranged in a V shape, and the pressure-resistant layer (7) is made of rubber.

7. The halogen-free low-smoke flame-retardant impact-resistant spray-resistant fire-resistant instrument cable according to claim 1, characterized in that: the outer sheath (10) is made of halogen-free low-smoke flame-retardant polyolefin material.