CN219393012U

CN219393012U - Fire-resistant photoelectric composite cable

Info

Publication number: CN219393012U
Application number: CN202320245494.4U
Authority: CN
Inventors: 尹锋雷; 诸亚红; 施明升; 秦泗健; 杨鹏程; 朱佳敏
Original assignee: Jiangsu Jillion Optoelectric Technology Co ltd
Current assignee: Jiangsu Jillion Optoelectric Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-21
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to a fireproof photoelectric composite cable which comprises a cable core and is characterized in that a metal sleeve, a tensile layer and a sheath are sequentially coated outside the cable core, and a fire-proof layer is arranged between the cable core and the metal sleeve; the cable core is formed by twisting an insulating cable core and an optical unit; the insulating wire core is formed by sequentially coating a fire-resistant layer and an insulating layer on the outer side of a conductor; the optical unit comprises a stainless steel tube and an optical fiber, water-blocking yarns and spinning yarns are filled between the stainless steel tube and the optical fiber, the number of the insulated wire cores is 1-4, and the conductors are copper conductors. The structure of the utility model aims at the power supply and signal transmission system of emergency lighting and fire monitoring alarm equipment of high-rise buildings, oil platforms, airport terminal buildings, warships, ships, underground tunnels and the like, and can meet the requirements of keeping normal power supply and optical fiber data transmission of equipment within 90 minutes under the condition of burning at 830 ℃ and below when fire occurs, ensure the normal operation of key equipment such as an automatic fire extinguishing system and ensure the life and property safety of people.

Description

Fire-resistant photoelectric composite cable

Technical Field

The utility model belongs to the technical field of optical fiber cables and wires and cables, and relates to a fireproof photoelectric composite cable.

Background

The common fire-resistant cable is mainly used for power supply systems of emergency lighting and fire monitoring alarm devices such as high-rise buildings, oil platforms, airport terminal buildings, warships, ships, underground tunnels and the like, and fire-resistant optical cables or communication cables are additionally laid for the transmission of alarm signals, so that limited laying space is occupied, and meanwhile, the comprehensive cost of the fire-resistant cables and the fire-resistant optical cables is increased.

In order to solve the technical defects, a photoelectric composite cable which is small in size and convenient to lay and can meet the functions of power supply and optical fiber communication is developed, and the photoelectric composite cable is a technical problem to be solved in the prior industry.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the fire-resistant photoelectric composite cable which is suitable for meeting the characteristics of normal power supply of emergency equipment, lighting equipment and other equipment, normal transmission of alarm equipment signals and the like when a fire disaster occurs.

According to the technical scheme provided by the utility model: a fire-resistant photoelectric composite cable comprises a cable core and is characterized in that a metal sleeve, a tensile layer and a sheath are sequentially coated outside the cable core, and a fire-resistant layer is arranged between the cable core and the metal sleeve; the cable core is formed by twisting an insulating cable core and an optical unit; the insulating wire core is formed by sequentially coating a fire-resistant layer and an insulating layer on the outer side of a conductor; the optical unit comprises a stainless steel tube and an optical fiber, and water blocking yarns and spinning yarns are filled between the stainless steel tube and the optical fiber.

As a further improvement of the utility model, the number of the insulated wire cores is 1-4.

As a further development of the utility model, the conductor is a copper conductor.

As a further improvement of the utility model, the refractory layer is a coated refractory mica tape or a ceramic polyolefin or a ceramic silicone rubber.

As a further improvement of the present utility model, the insulating layer material is a low smoke halogen free polyolefin.

As a further improvement of the utility model, the number of the optical units is 1-3, and the number of the optical fibers in each optical unit is 1-48 cores.

As a further development of the utility model, the fire barrier is an inorganic magnesia or glass yarn.

As a further improvement of the utility model, the metal sleeve is made of copper or stainless steel.

As a further improvement of the utility model, the tensile layer is formed by twisting and coating a plurality of galvanized steel wires on the outer side of the metal sleeve.

As a further improvement of the utility model, the sheath is made of polyolefin, including flame retardant polyolefin, low smoke halogen-free polyolefin and flame retardant polyethylene.

The positive progress effect of this application lies in:

1. the structure of the utility model aims at the power supply and signal transmission system of emergency lighting and fire monitoring alarm equipment of high-rise buildings, oil platforms, airport terminal buildings, warships, ships, underground tunnels and the like, and can meet the requirements of keeping normal power supply and optical fiber data transmission of equipment within 90 minutes under the condition of burning at 830 ℃ and below when fire occurs, ensure the normal operation of key equipment such as an automatic fire extinguishing system and ensure the life and property safety of people.

2. The utility model has strong fire resistance, power supply and information transmission capability, strong optical fiber transmission capability, can accommodate 144-core optical fibers to work, has the advantages of convenient laying, one-time in-place operation and lower comprehensive cost, is widely applied to semi-closed and closed occasions with high fire resistance requirements, and is more suitable for occasions with vertical laying.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Reference numerals illustrate: 1-an insulating wire core, 11-a conductor, 12-a refractory layer and 13-an insulating layer; 2-light unit, 21-stainless steel tube, 22-optical fiber, 23-water-blocking yarn, 24-spinning nylon yarn, 3-fire-proof layer, 4-metal sleeve, 5-tensile layer and 6-sheath.

Description of the embodiments

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "include" and "have," and the like, mean that other content not already listed may be "included" and "provided" in addition to those already listed in "include" and "provided; for example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements not expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Due to the drawing angle problem, some parts may not be drawn, but the positions and connection relations of the parts may be understood according to the text expression part.

The utility model relates to a fireproof photoelectric composite cable which comprises a cable core, wherein a metal sleeve 4, a tensile layer 5 and a sheath 6 are sequentially coated outside the cable core, and a fire-proof layer 3 is arranged between the cable core and the metal sleeve 4. The cable core is formed by twisting an insulating cable core 1 and an optical unit 2. The insulated wire core 1 is formed by sequentially coating a fire-resistant layer 12 and an insulating layer 13 on the outer side of a conductor 11.

The number of the insulated wire cores 1 is 1-4.

The conductor 11 is a copper conductor.

The refractory layer 12 is coated with a refractory mica tape or a ceramic polyolefin or a ceramic silicone rubber.

The insulating layer 13 is made of low smoke halogen-free polyolefin.

The light unit 2 comprises a stainless steel tube 21 and an optical fiber 22, and water-blocking yarns 23 and spinning yarns 24 are filled between the stainless steel tube 21 and the optical fiber 22.

The number of the light units 2 is 1-3, and the number of the optical fibers 22 in each light unit 2 is 1-48 cores.

The number of the water-blocking yarns 23 is a plurality of the spinning yarns 24.

The fire-resistant layer 3 is inorganic magnesia or glass yarn.

The metal sleeve 4 is made of copper or stainless steel.

The tensile layer 5 is formed by twisting and coating a plurality of galvanized steel wires on the outer side of the metal sleeve 4.

The sheath 6 is made of polyolefin, including flame retardant polyolefin, low smoke zero halogen polyolefin and flame retardant polyethylene.

As shown in fig. 1, embodiment one;

a fire-resistant photoelectric composite cable comprises a cable core, wherein a metal sleeve 4, a tensile layer 5 and a sheath 6 are sequentially coated outside the cable core, and a fire-resistant layer 3 is arranged between the cable core and the metal sleeve 4. The cable core is formed by twisting an insulating cable core 1 and an optical unit 2. The insulated wire core 1 is formed by sequentially coating a fire-resistant layer 12 and an insulating layer 13 on the outer side of a conductor 11. The optical unit 2 is formed by a stainless steel tube 21 and an optical fiber 22, a water-blocking yarn 23 and a spun yarn 24.

The number of the insulated wire cores 1 is 3.

The conductor 11 is a copper conductor.

The refractory layer 12 is a wrapped 2-layer refractory mica tape.

The insulating layer 13 is made of low smoke halogen-free polyolefin.

The number of light units 2 is 1, and the number of optical fibers 22 in each light unit 2 is 6 cores.

The number of water blocking yarns 23 is 2, and the number of spun yarns 24 is 2.

The fire-resistant layer 3 is glass yarn.

The metal sleeve 4 is made of copper.

The sheath 6 is made of low-smoke halogen-free polyolefin.

The working process of the utility model is as follows:

the utility model ensures that normal power supply and normal transmission of signals of alarm equipment can be carried out on the equipment such as emergency equipment, illumination and the like within 90 minutes under the condition of burning at 830 ℃ and below by arranging the insulated wire core 1 and the optical unit 2 in the metal sleeve 4. The tensile layer 5 and the sheath 6 are added on the outer side of the metal sleeve 4, so that the tensile property and the corrosion resistance of the composite cable are further enhanced, and the composite cable is more suitable for being laid in vertical areas such as an elevator shaft, a tunnel shaft and the like.

It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.

Claims

1. The fire-resistant photoelectric composite cable comprises a cable core and is characterized in that a metal sleeve (4), a tensile layer (5) and a sheath (6) are sequentially coated outside the cable core, and a fire-resistant layer (3) is arranged between the cable core and the metal sleeve (4); the cable core is formed by twisting an insulating cable core (1) and an optical unit (2); the insulated wire core (1) is formed by sequentially coating a fire-resistant layer (12) and an insulating layer (13) on the outer side of a conductor (11); the optical unit (2) comprises a stainless steel tube (21) and an optical fiber (22), and water-blocking yarns (23) and spinning yarns (24) are filled between the stainless steel tube (21) and the optical fiber (22).

2. Fire resistant photoelectric composite cable according to claim 1, characterized in that the number of insulated cores (1) is 1-4.

3. A fire resistant photoelectric composite cable according to claim 1, characterized in that the conductor (11) is a copper conductor.

4. The fire resistant photoelectric composite cable according to claim 1, characterized in that the fire resistant layer (12) is a coated fire resistant mica tape or a ceramic polyolefin or a ceramic silicone rubber.

5. Fire resistant photoelectric composite cable according to claim 1, characterized in that the insulating layer (13) material is a low smoke halogen free polyolefin.

6. Fire resistant optical and electrical composite cable according to claim 1, characterized in that the number of optical units (2) is 1-3, the number of optical fibers (22) in each optical unit (2) being 1-48 cores.

7. Fire resistant photoelectric composite cable according to claim 1, characterized in that the fire barrier layer (3) is an inorganic magnesia or glass yarn.

8. A fire resistant photoelectric composite cable according to claim 1, characterized in that the metal sheath (4) is made of copper or stainless steel.

9. The fire-resistant photoelectric composite cable according to claim 1, characterized in that the tensile layer (5) is formed by twisting a plurality of galvanized steel wires and coating the outer side of the metal sleeve (4).

10. The fire-resistant photoelectric composite cable according to claim 1, characterized in that the sheath (6) is made of polyolefin, including flame retardant polyolefin, low smoke halogen-free polyolefin, flame retardant polyethylene.