CN216212499U

CN216212499U - Halogen-free low-smoke flame-retardant light power cable for ships

Info

Publication number: CN216212499U
Application number: CN202122303454.4U
Authority: CN
Inventors: 肖尚本; 李强; 张俊
Original assignee: Anhui Huayuan Cable Group Co ltd
Current assignee: Anhui Huayuan Cable Group Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-05
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a halogen-free low-smoke flame-retardant light power cable for ships, which comprises an insulating outer protective sleeve and is characterized in that an armor layer is arranged on the inner side of the outer protective sleeve and used for preventing the cable from contacting with air, a fireproof wrapping tape is arranged on the inner side of the armor layer, a shielding layer is arranged on the inner side of the fireproof wrapping tape, an inner protective layer is arranged on the inner side of the shielding layer, a support frame is arranged between the inner protective layer and the shielding layer, a first flame-retardant filler is arranged between the support frame and the shielding layer, a temperature-control filler is arranged between the support frame and the inner protective layer, and conductors distributed in an array mode are arranged in the inner protective layer. According to the cable, the inner insulating layer and the outer insulating layer are made of the cross-linked polyethylene material with good insulativity, the insulating property of the wire core can be improved, gas released by combustion of the cross-linked polyethylene material cannot cause damage to a human body, the insulating partition plate is used for preventing the conductors from being in contact with each other and short-circuited, and the auxiliary conductor can be protected to still work when the conductor does not work.

Description

Halogen-free low-smoke flame-retardant light power cable for ships

Technical Field

The utility model relates to a cable, in particular to a halogen-free low-smoke flame-retardant light power cable for ships.

Background

The low-smoke halogen-free cable is an environment-friendly cable which is made of rubber materials without halogen (F, Cl, Br, I, At), lead, cadmium, chromium, mercury and other environmental substances, does not emit toxic smoke (such as hydrogen halide, carbon monoxide and the like) during combustion, is mainly used for power transmission and large-current transmission among coastal areas, ports and docks, ocean engineering, and external instruments and equipment in ocean platforms, has poor flame retardant effect, and can generate a large amount of toxic gas during reverse combustion to cause damage to human bodies. Firstly, a halogen-free low-smoke flame-retardant light power cable for ships is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-smoke halogen-free flame-retardant light power cable for ships, which is characterized in that a fireproof wrapping tape is a low-smoke halogen-free flame-retardant wrapping tape, an inner insulating layer and an outer insulating layer are both made of cross-linked polyethylene materials with good insulativity, the insulating property of a wire core can be improved, the cross-linked polyethylene materials are environment-friendly materials, gas released by combustion cannot damage human bodies, a support frame is wavy, the structure can enlarge a contact surface to form a protective structure, can resist pressure and prevent the cable from deforming, a first flame-retardant filler and a second flame-retardant filler are both made of small-particle solid glass fiber materials, gaps can be filled to isolate air, the flame-retardant property is improved, a high-temperature-resistant filler is a material with a cooling function and can absorb heat, through self structure cooling, insulating barrier is used for preventing the short circuit of mutual contact between the conductor, can protect auxiliary conductor still can work when the conductor is out of work.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a naval vessel is with there being not steamed low fire-retardant light-duty power cable of cigarette, cable are including insulating outer protective sheath, its characterized in that, the inboard of outer protective sheath is equipped with the armor, and the armor is used for preventing and air contact, and the inboard of armor is equipped with the fire prevention band, and the fire prevention band is the fire-retardant band of low smoke and zero halogen, and the inboard of fire prevention band is equipped with the shielding layer.

The inner side of the shielding layer is provided with an inner protective layer, a support frame is arranged between the inner protective layer and the shielding layer, a first flame-retardant filler for preventing cable combustion is arranged between the support frame and the shielding layer, a temperature-control filler for absorbing heat and refrigerating is arranged between the support frame and the inner protective layer, and conductors distributed in an array mode are arranged in the inner protective layer.

Further, all be equipped with double-deck insulating barrier between the conductor, insulating barrier is used for preventing that mutual contact between the conductor from causing the short circuit, links to each other between the insulating barrier and encloses into rectangle protection frame, and the inboard of protection frame is equipped with auxiliary conductor.

And a high-temperature-resistant filler is arranged between the auxiliary conductor and the protection frame, and second flame-retardant fillers are arranged between the inner protection layer and the insulation partition plate and between the inner protection layer and the conductor.

Furthermore, the conductor comprises a wire core, an inner insulating layer is arranged on the outer side of the wire core, a mica tape layer is arranged on the outer side of the inner insulating layer, and an outer insulating layer of the mica tape layer is arranged on the outer side of the inner insulating layer.

Furthermore, the inner insulating layer and the outer insulating layer are both made of cross-linked polyethylene materials.

Further, the auxiliary conductor has the same structure as the conductor, and is different from the conductor in that the core diameter of the auxiliary conductor is smaller than that of the conductor.

Further, the support frame is wave-shaped.

Furthermore, the first flame-retardant filler and the second flame-retardant filler are both small-particle solid glass fiber materials, and the high-temperature-resistant filler is a material with a cooling function.

Further, the supporting insulating partition plate is used for preventing the conductors from being short-circuited in mutual contact.

The utility model has the beneficial effects that:

1. according to the cable, the fireproof wrapping tape is a low-smoke halogen-free flame-retardant wrapping tape, the inner insulating layer and the outer insulating layer are both made of cross-linked polyethylene materials with good insulativity, the insulating property of the wire core can be improved, and gas released by combustion of the cross-linked polyethylene materials cannot cause harm to human bodies;

2. according to the utility model, the cable is wavy through the support frame, the structure can enlarge the contact surface, a protective structure is formed, the pressure can be resisted, and the cable is prevented from deforming;

3. according to the cable, the first flame-retardant filler and the second flame-retardant filler are both small-particle solid glass fiber materials, gaps can be filled to isolate air, the flame-retardant performance is improved, the high-temperature-resistant filler is a material with a cooling function, can absorb heat, and is cooled through the structure of the high-temperature-resistant filler;

4. the cable provided by the utility model is used for preventing the conductors from being in contact with each other and short-circuited through the insulating partition plate, and can protect the auxiliary conductor from working when the conductor does not work.

Drawings

The utility model will be further described with reference to the accompanying drawings.

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

fig. 2 is a schematic view of a portion of the cable of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A ship-used halogen-free low-smoke flame-retardant light power cable comprises an insulating outer protective sleeve 1, as shown in figure 1, an armor layer 2 for preventing contact with air is arranged on the inner side of the outer protective sleeve 1, a fireproof wrapping tape 3 is arranged on the inner side of the armor layer 2, the fireproof wrapping tape 3 is a low-smoke halogen-free flame-retardant wrapping tape, a shielding layer 4 is arranged on the inner side of the fireproof wrapping tape 3, an inner protective layer 5 is arranged on the inner side of the shielding layer 4, a supporting frame 6 is arranged between the inner protective layer 5 and the shielding layer 4, a first flame-retardant filler 7 for preventing cable combustion is arranged between the supporting frame 6 and the shielding layer 4, a temperature-control filler 8 for heat absorption and refrigeration is arranged between the supporting frame 6 and the inner protective layer 5, conductors 9 distributed in an array are arranged in the inner protective layer 5, double-layer insulating partition boards 10 are arranged between the conductors 9, the insulating partition boards 10 are used for preventing short circuit caused by mutual contact between the conductors, and a rectangular protective frame 11 is enclosed between the insulating partition boards 10, an auxiliary conductor 12 is arranged on the inner side of the protective frame 11, a high-temperature-resistant filler 13 is arranged between the auxiliary conductor 12 and the protective frame 11, and second flame-retardant fillers 14 are arranged between the inner protective layer 5 and the insulating partition plate 10 and between the inner protective layer 5 and the conductor 9.

Conductor 9 includes sinle silk 91, as shown in fig. 2, the outside of sinle silk 91 is equipped with inner insulating layer 92, and the outside of inner insulating layer 92 is equipped with mica tape layer 93, and mica tape layer 93's outside insulating layer 94, inner insulating layer 92 and outside insulating layer 94 are the crosslinked polyethylene material that has good insulating nature, can improve sinle silk 91's insulating properties, and the crosslinked polyethylene material is environmental protection material, and the gas that the burning was released can not cause the injury to the human body.

The auxiliary conductor 12 is of the same construction as the conductor 9, except that the auxiliary conductor 12 has a core 91 with a smaller diameter than the core 91 of the conductor 9.

The support frame 6 is the wave, and this structure can enlarge the contact surface, forms protection type structure, can resist compression, prevents that the cable from warping.

First fire-retardant filler 7 is tiny particle solid glass fiber material with second fire-retardant filler 14, can fill the isolated air in gap, improves fire behaviour, and high temperature resistant filler 13 is the material that has cooling function, can absorb the heat, through self structure cooling.

The insulating spacer 10 serves to prevent short-circuiting of the conductors by mutual contact and to protect the auxiliary conductor 12 from operating when the conductor 9 is not operating.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A ship used halogen-free low-smoke flame-retardant light power cable comprises an insulating outer protective sleeve (1), and is characterized in that the inner side of the outer protective sleeve (1) is provided with an armor layer (2), the armor layer (2) is used for preventing contact with air, the inner side of the armor layer (2) is provided with a fireproof wrapping tape (3), the fireproof wrapping tape (3) is a low-smoke halogen-free flame-retardant wrapping tape, and the inner side of the fireproof wrapping tape (3) is provided with a shielding layer (4);

the inboard of shielding layer (4) is equipped with inner protective layer (5), is equipped with support frame (6) between inner protective layer (5) and shielding layer (4), is equipped with between support frame (6) and shielding layer (4) and is used for preventing the first fire-retardant filler (7) of cable burning, is equipped with between support frame (6) and inner protective layer (5) and is used for the cryogenic accuse temperature filler (8) of heat absorption, is equipped with conductor (9) that the array distributes in inner protective layer (5).

2. The ship halogen-free low-smoke flame-retardant light power cable according to claim 1, characterized in that double-layer insulating partition plates (10) are arranged between the conductors (9), the insulating partition plates (10) are used for preventing the conductors (9) from contacting with each other to cause short circuit, the insulating partition plates (10) are connected with each other to form a rectangular protective frame (11), and the inner side of the protective frame (11) is provided with an auxiliary conductor (12);

and a high-temperature-resistant filler (13) is arranged between the auxiliary conductor (12) and the protective frame (11), and second flame-retardant fillers (14) are arranged between the inner protective layer (5) and the insulating partition plate (10) and between the inner protective layer (5) and the conductor (9).

3. The ship halogen-free low-smoke flame-retardant light power cable according to claim 2, wherein the conductor (9) comprises a wire core (91), an inner insulating layer (92) is arranged outside the wire core (91), a mica tape layer (93) is arranged outside the inner insulating layer (92), and an outer insulating layer (94) of the mica tape layer (93) is arranged outside the mica tape layer (93).

4. The ship halogen-free low-smoke flame-retardant light power cable according to claim 3, wherein the inner insulating layer (92) and the outer insulating layer (94) are both cross-linked polyethylene materials.

5. A ship halogen-free low-smoke flame-retardant light power cable according to claim 3 or 4, characterized in that the auxiliary conductor (12) has the same structure as the conductor (9), and the difference is that the diameter of the core (91) of the auxiliary conductor (12) is smaller than that of the core (91) of the conductor (9).

6. The ship halogen-free low-smoke flame-retardant light power cable according to claim 1, wherein the support frame (6) is wave-shaped.

7. The ship halogen-free low-smoke flame-retardant light power cable according to claim 2, wherein the first flame-retardant filler (7) and the second flame-retardant filler (14) are both small-particle solid glass fiber materials, and the high-temperature-resistant filler (13) is a material with a cooling function.