CN218631451U

CN218631451U - Fire-resistant low smoke zero halogen armoured power cable

Info

Publication number: CN218631451U
Application number: CN202222750965.5U
Authority: CN
Inventors: 贾振山
Original assignee: Heilongjiang World Cable Co ltd
Current assignee: Heilongjiang World Cable Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-03-14
Anticipated expiration: 2032-10-19

Abstract

The utility model relates to a power cable technical field just discloses a fire-resistant low smoke and zero halogen armor power cable, including the crust, the internal fixed surface of crust has fire-resistant filling layer, fire-resistant filling layer's internal fixed surface installs the sealing layer, the internal fixed surface of sealing layer installs the inner core, the inner core includes filler, conductive copper line, heat-conducting plate and multisection fixed core, multisection fixed core includes mount, connecting rod and universal wheel, and the electric energy flows from conductive copper in-line when this fire-resistant low smoke and zero halogen armor power cable uses, and the heat that produces when the electric current drunkenness can be by the heat-conducting plate, and the solidified layer comprises the resin, and alternately the weaving layer is alternately woven by the mica baseband and is formed, and the resin is paintd on the mica baseband, and the resin can permeate into the gap of alternately weaving layer, and strengthen cable's firm intensity, and when the cable is crooked, and inside multisection fixed core also follows the bending.

Description

Fire-resistant low smoke zero halogen armoured power cable

Technical Field

The utility model relates to a power cable technical field specifically is a fire-resistant low smoke and zero halogen armor power cable.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply in industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy.

Traditional PVC electric wire, PVC mixture decomposes easily when the conflagration takes place and escapes after being heated and has a large amount of hypertoxic, corrosive HCL gas, and produce a large amount of hypertoxic dense smoke, cause great life and loss of property, and bring very big difficulty for rescue work, especially in the environment that the space is closed relatively, when using in environment such as channel or tunnel, can bring the hidden danger for environmental safety, because have various materials in the current cable, the toughness of different materials is different, can be with the not high material of toughness in the cable break when the cable is crooked.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the above-mentioned shortcoming that prior art exists, the utility model provides a fire-resistant low smoke and zero halogen armor power cable, inside fracture appears easily when can solving prior art cable bending effectively, and the cable is easily lighted, lights the problem that the back produced poisonous flue gas easily.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model discloses a fire-resistant low smoke and zero halogen armor power cable, including the crust, the internal fixed surface of crust has the fire-resistant filling layer, the internal fixed surface of fire-resistant filling layer installs the sealing layer, the internal fixed surface of sealing layer installs the inner core, the inner core includes filler, electrically conductive copper line, heat-conducting plate and the fixed core of multisection, the fixed core of multisection includes mount, connecting rod and universal wheel.

Furthermore, the inner surface of the filler is fixedly connected with the outer surface of the conductive copper wire, and the inner surface of the filler is fixedly connected with the outer surface of the heat conducting plate.

Furthermore, the outer surface of the conductive copper wire touches the opposite side of the heat conducting plate, and the outer surface of the multi-section fixed core is fixedly connected with the inner surface of the filler.

Furthermore, a rotary groove is formed in the right side of the fixing frame, and the inner surface of the rotary groove is rotatably connected with the outer surface of the universal wheel.

Furthermore, the outer surface of the universal wheel is fixedly connected with the left end of the connecting rod, and the right end of the connecting rod is fixedly connected with the left side of the other fixing frame.

Still further, the sealing layer includes cross woven layers and a cured layer, and an outer surface of the cross woven layers is fixedly connected with an inner surface of the cured layer.

(III) advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

1. the utility model discloses an increase the design of restriction bending strength, drive the connecting rod through the mount and remove, the connecting rod drives the universal wheel and rotates in the rotary trough to reach the range of restriction cable bending, the not high material fracture of the inside toughness of cable when avoiding the cable bending, intensity when improving the cable bending.

2. The utility model discloses an increase the fire-resistant and radiating design of cable, use through the cooperation of fire-resistant filling layer to reach and bathe the fire hardening with pottery porcelainized polyolefin, protect inside electric wire, use through the cooperation of heating panel, thereby reach and conduct the heating panel with the heat that the electric wire during operation produced, the heat can be even in transmitting the heating panel, the problem that electric wire single point heat is higher than all the other places can not appear.

3. The utility model discloses an increase the design of cable hardness, use through the cooperation of alternately weaving layer and solidified layer to reach the hardness that improves the cable, can effectively avoid the cable to be broken by external pressure's problem.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a longitudinal sectional view of the internal structure of the present invention;

the reference numerals in the drawings denote: 1. a skin; 2. a fire-resistant filler layer; 3. a sealing layer; 31. cross-woven layers; 32. curing the layer; 4. an inner core; 41. a filler; 42. a conductive copper wire; 43. a heat conducting plate; 44. a multi-section fixed core; 441. a fixed mount; 442. a connecting rod; 443. a universal wheel; 444. and (7) rotating the groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

Referring to fig. 1-2, the fire-resistant low-smoke halogen-free armored power cable of the embodiment includes an anti-fire filling layer 2 fixedly mounted on an inner surface of an outer skin 1, a sealing layer 3 fixedly mounted on an inner surface of the anti-fire filling layer 2, an inner core 4 fixedly mounted on an inner surface of the sealing layer 3, the inner core 4 includes a filler 41, a conductive copper wire 42, a heat conducting plate 43 and a multi-section fixed core 44, and the multi-section fixed core 44 includes a fixing frame 441, a connecting rod 442 and a universal wheel 443.

The inner surface of the filler 41 is fixedly connected to the outer surface of the conductive copper wire 42, and the inner surface of the filler 41 is fixedly connected to the outer surface of the heat conductive plate 43.

The outer surface of the conductive copper wire 42 is in contact with the opposite side of the heat conductive plate 43, and the outer surface of the multi-joint fixed core 44 is fixedly connected to the inner surface of the filler 41.

The right side of the fixing frame 441 is provided with a rotating groove 444, and the inner surface of the rotating groove 444 is rotatably connected with the outer surface of the universal wheel 443.

The outer surface of the universal wheel 443 is fixedly connected to the left end of the linking rod 442, and the right end of the linking rod 442 is fixedly connected to the left side of the other fixed frame 441.

The sealing layer 3 comprises a cross woven layer 31 and a cured layer 32, and the outer surface of the cross woven layer 31 is fixedly connected with the inner surface of the cured layer 32.

In this embodiment, when the cable is used, electric energy flows from the inside of the conductive copper wire 42, heat generated when current moves can be taken away by the heat conducting plate 43, the cured layer 32 is composed of resin, the cross braid layer 31 is formed by cross braiding of a mica base band, the resin is coated on the mica base band, the resin can penetrate into gaps of the cross braid layer 31, so as to enhance the firm strength of the cable, when the cable is bent, the inner multi-section fixed core 44 can be bent, the single fixing frame 441 can drive the universal wheel 443 to rotate in the rotating groove 444 on the other fixing frame 441 through the connecting rod 442, so that the cable can be bent at a certain angle, and a material with poor flexibility inside the cable cannot be bent and broken, the fire-resistant filling layer 2 is made of ceramic polyolefin, when the cable is burned by open fire, the ceramic polyolefin can be melted, a hard shell is formed by melting the ceramic polyolefin, and the hard shell can block high temperature outside.

In summary, when the fire-resistant low-smoke halogen-free armored power cable is used, electric energy flows from the conductive copper wire 42, heat generated when current moves can be taken away by the heat conducting plate 43, the cured layer 32 is made of resin, the cross woven layer 31 is formed by cross weaving of a mica base band, the resin is coated on the mica base band, the resin can penetrate into gaps of the cross woven layer 31, the firm strength of the cable is enhanced, when the cable is bent, the internal multi-section fixed core 44 can bend accordingly, the single fixing frame 441 can drive the universal wheel 443 to rotate in the rotating groove 444 of the other fixing frame 441 through the connecting rod 442, so that the cable can bend for a certain angle, materials with weak flexibility in the cable cannot be bent, the fire-resistant filling layer 2 is made of ceramic polyolefin, when the cable is burnt by open fire, the ceramic polyolefin can be melted, the ceramic polyolefin is melted, a hard shell is formed by melting the ceramic polyolefin, and the hard shell can block external high temperature outside.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a fire-resistant low smoke and zero halogen armoured power cable, includes crust (1), its characterized in that: the utility model discloses a fire-resistant sheath, including crust (1), the interior fixed mounting of crust (1) has fire-resistant filling layer (2), the interior fixed mounting of fire-resistant filling layer (2) has sealing layer (3), the interior fixed mounting of sealing layer (3) has inner core (4), inner core (4) are including filler (41), conductive copper line (42), heat-conducting plate (43) and multisection fixed core (44), multisection fixed core (44) are including mount (441), connecting rod (442) and universal wheel (443).

2. The fire-resistant low-smoke halogen-free armored power cable according to claim 1, characterized in that: the inner surface of the filler (41) is fixedly connected with the outer surface of the conductive copper wire (42), and the inner surface of the filler (41) is fixedly connected with the outer surface of the heat conducting plate (43).

3. The fire-resistant low-smoke halogen-free armored power cable of claim 1, characterized in that: the outer surface of the conductive copper wire (42) is contacted with one side opposite to the heat conducting plate (43), and the outer surface of the multi-section fixed core (44) is fixedly connected with the inner surface of the filler (41).

4. The fire-resistant low-smoke halogen-free armored power cable of claim 1, characterized in that: the right side of the fixed frame (441) is provided with a rotating groove (444), and the inner surface of the rotating groove (444) is rotatably connected with the outer surface of the universal wheel (443).

5. The fire-resistant low-smoke halogen-free armored power cable according to claim 1, characterized in that: the outer surface of the universal wheel (443) is fixedly connected with the left end of the connecting rod (442), and the right end of the connecting rod (442) is fixedly connected with the left side of the other fixing frame (441).

6. The fire-resistant low-smoke halogen-free armored power cable according to claim 1, characterized in that: the sealing layer (3) comprises a cross woven layer (31) and a cured layer (32), and the outer surface of the cross woven layer (31) is fixedly connected with the inner surface of the cured layer (32).