CN217181885U

CN217181885U - Fireproof low-voltage power control composite cable

Info

Publication number: CN217181885U
Application number: CN202220615524.1U
Authority: CN
Inventors: 樊聪; 胡高耸; 黄勇昌; 兰国庆; 祝军; 李红彬; 刘榜; 李文静
Original assignee: HENAN LESHAN CABLE CO LTD
Current assignee: HENAN LESHAN CABLE CO LTD
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-08-12
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a fire prevention type low pressure power control composite cable relates to the cable field, including composite cable oversheath, N control cable and M power cable, the composite cable oversheath includes composite cable band layer, the outer parcel of composite cable band layer has composite cable metal sheath layer, the outer parcel of composite cable metal sheath layer has composite cable metal isolation jacket layer, the outer parcel of composite cable metal isolation jacket layer has composite cable fire prevention mud layer, the outer parcel of composite cable fire prevention mud layer has composite cable outer jacket, this fire prevention type low pressure power control composite cable, can transmit electric power, can transmit control signal again, can also ensure that power transmission performance is reliable, control signal instruction transmission is accurate, have characteristics such as fire prevention, there is no halogen low cigarette, high fire-retardant simultaneously, and avoid secondary wiring, reduce expenses such as construction, reached safe, The design requirements of energy conservation and environmental protection can ensure the safe operation of various mechanical equipment.

Description

Fireproof low-voltage power control composite cable

Technical Field

The utility model belongs to the cable field, concretely relates to fire prevention type low pressure power control composite cable.

Background

Along with the development of the industrial technologies of high-speed railways, urban rail transit, industrial and mining enterprises and the like in China, the performance requirements of various electric equipment are higher and higher, and higher and more specific requirements are provided for the matched cables.

Currently, some mechanical devices require both electrical support and a large amount of information transfer with the outside during operation. Conventional power cables and control cables do not perform the dual functions of power transmission and information transfer.

In order to monitor the working condition of mechanical equipment, currently, a monitoring system independent from an electric power system is generally adopted. However, the independent laying of the monitoring cable not only occupies an expensive equipment space, but also causes damage to the previous cable due to repeated laying, the difficulty coefficient is large, the laying cost is high, and the traditional cable system cannot meet the requirement of development of modern machinery to a high-tech direction.

Therefore, we propose a fire-proof type low voltage power control composite cable to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To current, the monitored control system who generally adopts and electric power system mutual independence, however, independently lay the control cable and not only occupy expensive equipment space, repeated laying causes the damage to preceding cable easily moreover, and the degree of difficulty coefficient is big, lays with high costs problem, the utility model provides a fire prevention type low pressure power control composite cable.

The utility model provides a scheme that its technical problem adopted is: the utility model provides a fire prevention type low pressure power control composite cable, includes composite cable oversheath, N control cable and M power cable, composite cable oversheath includes composite cable belting layer, and the outer parcel of composite cable belting layer has composite cable metal sheath layer, and the outer parcel of composite cable metal sheath layer has composite cable metal isolation jacket layer, and the outer parcel of composite cable metal isolation jacket layer has composite cable fire prevention mud layer, and the outer parcel of composite cable fire prevention mud layer has composite cable oversheath.

The N control cables are all arranged in the composite cable belting layer, the N control cables equally divide the inner cavity of the composite cable belting layer into M containing cavities, and the M power cables are respectively arranged in the M containing cavities.

As a preferred technical solution of the present invention, the control cable includes a cable sheath and H cable core units disposed in the cable sheath; the cable sheath comprises a control cable wrapping layer, a control cable shielding layer wraps the control cable wrapping layer, and a control cable outer protective layer wraps the control cable shielding layer; the cable core unit comprises a control cable conductor, a control cable conductor isolation layer wraps the control cable conductor, and a control cable insulation layer wraps the control cable conductor isolation layer.

As the utility model discloses an optimal technical scheme, power cable includes the power cable conductor, and the outer parcel of power cable conductor has the power cable conductor isolation layer, and the outer parcel of power cable conductor isolation layer has the power cable insulating layer.

As a preferred technical scheme of the utility model, the composite cable wrapping tape layer is a ceramic silicon rubber tape; the composite cable metal sheath layer is an aluminum sheath; the composite cable metal isolation sleeve layer is a polyethylene metal isolation sleeve; the composite cable fireproof mud layer is formed by magnesium oxide and sodium silicate mixed mud; the outer protective layer of the composite cable is a low-smoke halogen-free flame-retardant polyolefin sheath.

As a preferred technical scheme of the utility model, the control cable conductor is a copper conductor I; the control cable conductor isolation layer is a polyester tape I; the control cable insulating layer is a synthetic mica tape I; the control cable belting layer is a glass fiber belting; the control cable shielding layer is a copper wire braided shield; the outer protective layer of the control cable is a polytetrafluoroethylene protective sleeve.

As a preferred technical scheme of the utility model, the power cable conductor is a copper conductor II; the power cable conductor isolation layer is a polyester tape II; the power cable insulating layer is a synthetic mica tape II.

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

1. this fire prevention type low pressure power control composite cable can transmit electric power, can transmit control signal again, can also ensure that the power transmission dependable performance, and control signal instruction transmission is accurate, has characteristics such as fire prevention, halogen-free low cigarette, high fire-retardant simultaneously, avoids secondary wiring moreover, reduces expenses such as construction, has reached safe, energy-conserving, green's design requirement, can guarantee various mechanical equipment's safe operation.

Drawings

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

fig. 2 is a schematic view of the front view amplifying structure of the control cable of the present invention.

In the figure: the cable comprises a composite cable outer sheath 1, a composite cable wrapping layer 11, a composite cable metal sheath layer 12, a composite cable metal isolation sleeve layer 13, a composite cable fireproof mud layer 14, a composite cable outer sheath layer 15, a power cable 2, a power cable conductor 21, a power cable conductor isolation layer 22, a power cable insulation layer 23, a control cable 3, a control cable conductor 31, a control cable conductor isolation layer 32, a control cable insulation layer 33, a control cable wrapping layer 34, a control cable shielding layer 35 and a control cable outer sheath 36.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 1-2, the utility model provides a technical scheme of fire prevention type low pressure power control composite cable:

the first embodiment is as follows:

as shown in fig. 1 and 2, the cable sheath comprises a composite cable outer sheath 1, N control cables 3 and M power cables 2, wherein the composite cable outer sheath 1 comprises a composite cable wrapping layer 11, and the composite cable wrapping layer 11 is a ceramic silicon rubber tape; a composite cable metal sheath layer 12 is wrapped outside the composite cable wrapping layer 11, and the composite cable metal sheath layer 12 is an aluminum sheath; a composite cable metal isolation sleeve layer 13 is wrapped outside the composite cable metal sheath layer 12, and the composite cable metal isolation sleeve layer 13 is a polyethylene metal isolation sleeve; the composite cable metal isolation sleeve layer 13 is wrapped with a composite cable fireproof mud layer 14, and the composite cable fireproof mud layer 14 is a fireproof layer formed by mixed mud of magnesium oxide and sodium silicate; the composite cable fireproof mud layer 14 is wrapped with a composite cable outer protective layer 15, and the composite cable outer protective layer 15 is a low-smoke halogen-free flame-retardant polyolefin sheath.

The N control cables 3 are all arranged in the composite cable wrapping layer 11, and each control cable 3 comprises a cable sheath and H cable core units arranged in the cable sheath; the cable sheath comprises a control cable wrapping layer 34, and the control cable wrapping layer 34 is a glass fiber wrapping tape; a control cable shielding layer 35 is wrapped outside the control cable wrapping layer 34, and the control cable shielding layer 35 is a copper wire braided shield; the control cable shielding layer 35 is wrapped with a control cable outer sheath 36, and the control cable outer sheath 36 is a polytetrafluoroethylene sheath.

The cable core unit comprises a control cable conductor 31, and the control cable conductor 31 is a copper conductor I; a control cable conductor isolation layer 32 is wrapped outside the control cable conductor 31, and the control cable conductor isolation layer 32 is a polyester tape I; the control cable conductor isolation layer 32 is wrapped by a control cable insulation layer 33, and the control cable insulation layer 33 is a synthetic mica tape I.

The N control cables 3 equally divide the inner cavity of the composite cable belting layer 11 into M containing cavities, the M power cables 2 are respectively arranged in the M containing cavities, each power cable 2 comprises a power cable conductor 21, and each power cable conductor 21 is a copper conductor II; a power cable conductor isolation layer 22 is wrapped outside the power cable conductor 21, and the power cable conductor isolation layer 22 is a polyester tape II; the power cable conductor isolation layer 22 is wrapped by a power cable insulation layer 23, and the power cable insulation layer 23 is a synthetic mica tape II.

This fire prevention type low pressure power control composite cable can transmit electric power, can transmit control signal again, can also ensure that the power transmission dependable performance, and control signal instruction transmission is accurate, has characteristics such as fire prevention, halogen-free low cigarette, high fire-retardant simultaneously, avoids secondary wiring moreover, reduces expenses such as construction, has reached safe, energy-conserving, green's design requirement, can guarantee various mechanical equipment's safe operation.

Claims

1. The utility model provides a fire prevention type low pressure power control composite cable, includes composite cable oversheath, a N control cable and a M power cable, its characterized in that: the composite cable outer sheath comprises a composite cable wrapping tape layer, a composite cable metal sheath layer wraps the composite cable wrapping tape layer, a composite cable metal isolation sleeve layer wraps the composite cable metal sheath layer, a composite cable fireproof mud layer wraps the composite cable metal isolation sleeve layer, and a composite cable outer sheath layer wraps the composite cable fireproof mud layer;

2. The firesafe low-voltage power control composite cable according to claim 1, wherein: the control cable comprises a cable sheath and H cable core units arranged in the cable sheath; the cable sheath comprises a control cable wrapping layer, a control cable shielding layer wraps the control cable wrapping layer, and a control cable outer protective layer wraps the control cable shielding layer; the cable core unit comprises a control cable conductor, a control cable conductor isolation layer wraps the control cable conductor, and a control cable insulation layer wraps the control cable conductor isolation layer.

3. The firesafe low-voltage power control composite cable according to claim 1, wherein: the power cable comprises a power cable conductor, a power cable conductor isolation layer wraps the power cable conductor, and a power cable insulation layer wraps the power cable conductor isolation layer.

4. A firesafe low voltage power control composite cable according to any one of claims 1 to 3, wherein: the composite cable wrapping tape layer is a ceramic silicon rubber tape; the composite cable metal sheath layer is an aluminum sheath; the composite cable metal isolation sleeve layer is a polyethylene metal isolation sleeve; the outer protective layer of the composite cable is a low-smoke halogen-free flame-retardant polyolefin sheath.

5. The firesafe low-voltage power control composite cable according to claim 2, wherein: the control cable conductor is a first copper conductor; the control cable conductor isolation layer is a polyester tape I; the control cable insulating layer is a synthetic mica tape I; the control cable belting layer is a glass fiber belting; the control cable shielding layer is a copper wire braided shield; the outer protective layer of the control cable is a polytetrafluoroethylene protective sleeve.

6. The firesafe low-voltage power control composite cable according to claim 3, wherein: the power cable conductor is a copper conductor II; the power cable conductor isolation layer is a polyester tape II; the power cable insulating layer is a synthetic mica tape II.