CN210896735U

CN210896735U - Novel mineral composite insulating flexible fireproof cable

Info

Publication number: CN210896735U
Application number: CN201922366078.6U
Authority: CN
Inventors: 蒋云新; 王义林; 蒋云贤
Original assignee: Wuxi Changsheng Cable Co ltd
Current assignee: Wuxi Changsheng Cable Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-06-30
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a novel mineral composite insulation flexible fireproof cable, includes the conductor, the outer cladding of conductor has compound area of porcelainized silicon rubber and inorganic mineral fire-resistant area, and the outer crowded package of inorganic mineral fire-resistant area has high fire-retardant oxygen barrier, and the crowded package of high fire-retardant oxygen barrier has inorganic mineral fire prevention mud layer outward, and the outer cladding of inorganic mineral fire prevention mud layer has the high fire-retardant area of halogen-free environmental protection, and high fire-retardant outband cladding restrictive coating is provided with the automatic early warning line of conflagration in the restrictive coating. Simple structure, stable and reliable quality, fire-resistant combustion performance is good, possesses excellent pliability, is convenient for install and use, and economic nature is good, and the practicality is strong. Early warning is carried out in time at the initial stage of the fire, so that the fire prevention function is realized to the maximum extent, and the fire loss is reduced.

Description

Novel mineral composite insulating flexible fireproof cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a take novel mineral composite insulation flexible fireproof cable of early warning line.

Background

In recent years, the fire-proof performance of electrical lines of high-rise buildings and important buildings is more and more important, and especially, fire-proof cables are generally adopted in special class equipment trunks such as stadiums, theaters, hospitals and underground parking lots and class one fire-fighting equipment trunks. In order to improve the safety level of an electric line and reduce the occurrence and loss of electric fire accidents, the national ministry of construction, the public security department and some local governments successively promulgate some electric design specifications, and definitely stipulate that mineral insulated cables are popularized and used in some important electric lines or places.

Fireproof cables in the market are basically passively fireproof, namely the cables can guarantee that a power supply line has power supply within a certain time in fire burning, so that support for disaster relief for a certain time is provided, fire loss is reduced, personnel safety is guaranteed, and the cables cannot effectively perform early warning in the initial stage of fire danger and further extinguish fire in time.

Therefore, how to early warn in time in the initial stage of a fire so as to play a fireproof function to the maximum extent and reduce the loss of the fire, and the mineral composite insulated flexible fireproof cable which can automatically early warn in a substantial sense is a technical problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

In view of above situation, in order to solve the problem that above-mentioned technique exists, the utility model provides a take mineral composite insulation flexible fireproof cable of early warning line rational in infrastructure to in time carry out the early warning promptly at the conflagration initial stage, with furthest's play fire prevention function, reduce the fire loss.

According to the utility model discloses a novel mineral composite insulation flexible fireproof cable, which comprises a conductor, the outer cladding of conductor has compound area of ceramic silicon rubber and inorganic mineral fire-resistant area, and the outer crowded package of inorganic mineral fire-resistant outband has the high fire-retardant oxygen barrier, and the crowded package of high fire-retardant oxygen barrier has inorganic mineral fire prevention mud layer outward, and the outer cladding one deck of inorganic mineral fire prevention mud layer has the high fire-retardant area of halogen-free environmental protection, and high fire-retardant outband cladding restrictive coating is provided with the automatic early warning line of conflagration in the restrictive coating.

Preferably, the conductor is a copper conductor.

Preferably, the conductor is a single core or a multi-core.

Preferably, the ceramic silicon rubber composite belt and the inorganic mineral fireproof belt which are coated outside the conductor are two or more layers.

Preferably, the high flame-retardant oxygen-isolating layer is an environment-friendly halogen-free low-smoke high-flame-retardant polyolefin material extrusion coating layer.

Preferably, the high flame-retardant oxygen barrier layer is evenly provided with more than two convex ridges along the circumference, the height of the convex ridge is 0.5-4 mm, and the width of the convex ridge is 0.5-5 mm.

Preferably, the inorganic mineral fireproof mud layer is an extruded layer mixed by magnesium hydroxide, aluminum hydroxide, sodium silicate and calcium sulfate whiskers.

Preferably, the sheath layer is an environment-friendly halogen-free low-smoke flame-retardant polyolefin material extrusion layer.

Preferably, the automatic fire early warning line comprises a copper conductor and polyethylene insulation coated outside the copper conductor.

Preferably, the automatic fire early warning lines are adjacently arranged in two groups.

After the technology provided by the utility model, according to the utility model discloses novel mineral composite insulation flexible fireproof cable has following beneficial effect:

1. the utility model discloses than current ordinary magnesium oxide insulation fireproof cable can not be crooked, produce quality defect easily when crooked, this cable passes through ceramic silicon rubber complex area and inorganic mineral fire-resistant area composite insulation, adopt simultaneously and separate the oxygen layer cladding, and prevent fires with inorganic mineral fire prevention mud layer, make the cable possess with take the fire-resistant combustion performance that the fireproof cable of metal spacer sleeve is the same, make the cable possess excellent pliability simultaneously, cable bending radius can reach 12 times cable diameter, be far superior to the fireproof cable of other types, be convenient for install and lay.

2. The utility model discloses a compound insulating, the adoption simultaneously of pottery silicon rubber complex area and inorganic mineral fire-resistant area separates the cladding of oxygen layer, has replaced conventional fireproof cable's insulating and the insulating mode of pure mica tape of magnesia powder, and insulation resistance reliability improves greatly, can prevent effectively that insulation breakdown from appearing in installation or the use of cable, and leads to cable earth fault's appearance.

3. The utility model discloses a whole cable construction all adopts the environmental protection material, does not produce poisonous and harmful gas appearing the fire incident.

4. The utility model discloses have automatic early warning line of conflagration in the cable, can connect the electronic alarm ware on the cable wiring end. When the cable suffers from a fire disaster and the cable outer sheath layer is burned and melted, the early warning line can realize short-circuit connection, namely, the instant early warning can be realized on the electronic alarm of the cable wiring end, the fire can be timely extinguished, and the fire loss is reduced.

5. The utility model discloses simple structure, material cost is lower, possesses higher economic price/performance ratio, under the function that reaches the circuit fire prevention, can save great economic cost for the user.

Drawings

Fig. 1 is a sectional structure view (1 core) of a novel mineral composite insulated flexible fireproof cable according to the present application.

Wherein: 1. a conductor; 2. a ceramic silicone rubber composite tape; 3. an inorganic mineral refractory belt; 4. a high flame retardant oxygen barrier layer; 5. inorganic mineral fireproof mud layer; 6. a halogen-free environment-friendly high flame-retardant tape; 7. a sheath layer; 8. fire hazard automatic early warning line; 81. a conductor; 82. polyethylene insulation.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings. The described embodiments include various specific details to aid understanding, but they are to be construed as merely illustrative, and not restrictive of all embodiments of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Meanwhile, in order to make the description more clear and concise, a detailed description of functions and configurations well known in the art will be omitted.

As shown in fig. 1, a novel mineral composite insulating flexible fireproof cable comprises a conductor 1, wherein a ceramic silicon rubber composite belt 2 and an inorganic mineral fireproof belt 3 are coated outside the conductor 1, the inorganic mineral fireproof belt 3 is externally extruded and wrapped with a high flame-retardant oxygen-isolating layer 4, the high flame-retardant oxygen-isolating layer 4 is externally extruded and wrapped with an inorganic mineral fireproof mud layer 5, the inorganic mineral fireproof mud layer 5 is externally coated with a layer of halogen-free environment-friendly high flame-retardant belt 6, the high flame-retardant belt 6 is externally coated with a sheath layer 7, and a fire automatic early warning line 8 is arranged in the sheath layer 7.

The conductor 1 is a copper conductor.

The conductor 1 is a single core or a multi-core.

The ceramic silicon rubber composite belt 2 and the inorganic mineral fireproof belt 3 which are coated outside the conductor 1 are two or more layers.

The high flame-retardant oxygen-isolating layer 4 is an environment-friendly halogen-free low-smoke high flame-retardant polyolefin material extrusion coating layer.

The high flame-retardant oxygen barrier layer 4 is evenly provided with more than two convex ridges along the circumference, the convex ridge height is 0.5-4 mm, and the convex ridge width is 0.5-5 mm.

The inorganic mineral fireproof mud layer 5 is an extruded layer mixed by magnesium hydroxide, aluminum hydroxide, sodium silicate and calcium sulfate whiskers.

The sheath layer 7 is an environment-friendly halogen-free low-smoke flame-retardant polyolefin material extrusion coating layer.

The automatic fire early-warning line 8 comprises a copper conductor 81 and polyethylene insulation 82 coated outside the copper conductor 81.

Two groups of fire automatic early warning lines 8 are adjacently arranged.

According to the utility model provides a novel flexible fireproof cable of mineral composite insulation, simple structure, the steady quality is reliable, and fire-resistant combustion performance is good, possesses excellent pliability, is convenient for install and use, and the economic nature is good, and the practicality is strong.

According to the utility model provides a novel flexible fireproof cable of mineral composite insulation has following beneficial effect:

The terms "upper", "lower" or "above", "below" or the like are used herein in a relative relationship with respect to a normal use in a placed state, i.e., a positional relationship as generally shown in the drawings of the present application. When the placement state changes, for example, when the placement state is turned over, the corresponding positional relationship should be changed accordingly to understand or implement the technical solution of the present application.

Claims

1. The utility model provides a novel flexible fireproof cable of mineral composite insulation, a serial communication port, including conductor (1), conductor (1) outer cladding has compound area (2) of porcelainized silicon rubber and inorganic mineral fire-resistant area (3), and inorganic mineral fire-resistant area (3) outer crowded package has high fire-retardant oxygen layer (4) that separates, and high fire-retardant oxygen layer (4) outer crowded package has inorganic mineral fire prevention mud layer (5), and inorganic mineral fire prevention mud layer (5) outer cladding one deck does not have steamed environmental protection high fire-retardant area (6), and high fire-retardant area (6) outer cladding restrictive coating (7), is provided with automatic early warning line of conflagration (8) in restrictive coating (7).

2. A new mineral composite insulated flexible fire-resistant cable according to claim 1, characterized in that the conductor (1) is a copper conductor.

3. A new mineral composite insulated flexible fire-resistant cable according to claim 1, characterized in that the conductor (1) is a single or multiple core.

4. The novel mineral composite insulating flexible fireproof cable according to claim 1, wherein the conductor (1) is wrapped by a ceramic silicon rubber composite belt (2) and an inorganic mineral fireproof belt (3) in two or more layers.

5. A novel mineral composite insulating flexible fireproof cable according to claim 1, wherein the high flame retardant oxygen barrier layer (4) is an extruded layer of environment-friendly halogen-free low-smoke type high flame retardant polyolefin material.

6. The novel mineral composite insulating flexible fireproof cable according to claim 1, wherein the high flame retardant oxygen barrier layer (4) is uniformly provided with more than two ridges along the circumference, the height of the ridge is 0.5-4 mm, and the width of the ridge is 0.5-5 mm.

7. A novel mineral composite insulated flexible fireproof cable according to claim 1, wherein the inorganic mineral fireproof mud layer (5) is an extruded layer mixed by magnesium hydroxide, aluminum hydroxide, sodium silicate and calcium sulfate whiskers.

8. A novel mineral composite insulated flexible fireproof cable according to claim 1, wherein the sheath layer (7) is an environment-friendly halogen-free low-smoke flame retardant polyolefin material extrusion coating layer.

9. A new mineral composite insulated flexible fire-protection cable according to claim 1, characterized in that the fire automatic early warning line (8) comprises a copper conductor (81) and polyethylene insulation (82) coated outside the copper conductor (81).

10. The novel mineral composite insulated flexible fireproof cable of claim 9, wherein the fire automatic early warning lines (8) are arranged in two adjacent groups.