CN214068428U

CN214068428U - High-temperature-resistant flame-retardant shielding ultra-light integrated cable

Info

Publication number: CN214068428U
Application number: CN202120350080.9U
Authority: CN
Inventors: 柳朝阳
Original assignee: Xiangtan Special Cable Co Ltd
Current assignee: Xiangtan Special Cable Co Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-08-27
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a fire-retardant ultra-light integrated cable that shields of high temperature resistant, including first shielding layer to and set up in first intraformational power cord of shielding, control cable, radio frequency coaxial line, ethernet cable and 1553B bus, the power cord and the control cable outside are provided with the second shielding layer respectively. The utility model discloses can reduce the space that the cable occupy, the interference killing feature of reinforcing cable reduces the probability that aircraft latent fault takes place.

Description

High-temperature-resistant flame-retardant shielding ultra-light integrated cable

Technical Field

The utility model relates to a cable field, concretely relates to ultra-light integrated cable of fire-retardant shielding of high temperature resistant.

Background

The aviation cable is a nervous system for running airplanes, rockets and the like, and is connected with various systems for equipping electric equipment, fire control, orbital transfer and the like. Due to space constraints of aerospace equipment, cabling is typically concentrated in small bulkheads. Because the wire is various, all kinds of power cords, control signal line, data information transmission line are in the same place, and length can reach hundreds of kilometers, and the bulk weight is heavy, and the electrical environment is very complicated again for the interference killing feature of cable is relatively poor, thereby has increased the probability that aircraft latent fault takes place.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the current cable interference killing feature among the prior art relatively poor, the defect that the aircraft latent fault probability increases to a high temperature resistant fire-retardant shielding ultra-light integrated cable is provided.

Therefore, the integrated cable comprises a first shielding layer, and a power line, a control cable, a radio frequency coaxial line, an Ethernet line and a 1553B bus which are arranged in the first shielding layer, wherein second shielding layers are respectively arranged on the outer sides of the power line and the control cable.

Preferably, the power line comprises a first silver-plated copper-clad aluminum wire core and a crosslinked ethylene-tetrafluoroethylene polymer layer coated on the outer side of the first silver-plated copper-clad aluminum wire core.

Preferably, the control cable comprises a second silver-plated copper-clad aluminum wire core and a polytetrafluoroethylene film layer coated on the outer side of the second silver-plated copper-clad aluminum wire core.

Preferably, the first shielding layer sequentially comprises a first aluminum-plastic composite belt and a nickel-plated copper fiber braided shielding layer from inside to outside.

Preferably, the second shielding layer sequentially comprises a polyester belt, a drainage wire and a second aluminum-plastic composite belt from inside to outside.

Preferably, the outermost layer of the cable is coated with a sheath, and the sheath is made of flame-retardant thermoplastic elastomer.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an integrated cable, according to different function signal's requirement, carry out the reintegrateed after independently twisting respectively to different wires, reduced the space that the cable occupy. Meanwhile, different wires are adopted to be respectively and independently shielded, and the structural design of total shielding is carried out after integration, so that the anti-interference capability of the cable is enhanced, and the probability of potential faults of the aircraft is reduced.

2. The utility model provides a power cord, control cable, shielding layer and sheath all adopt the novel ultra-light material in aerospace field, under the prerequisite that satisfies the same function, can reduce the comprehensive weight of product, can also be high temperature resistant, and flame retardant property is good.

3. The integrated cable provided by the utility model can be used at the environmental temperature of 200 ℃ for a long time; the flame retardant property of the flame retardant meets the requirements of A-type bundled combustion tests in IEC 60332-3.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the embodiment of the utility model provides a structural schematic diagram of high temperature resistant fire-retardant shielding ultra-light integrated cable.

Reference numerals:

1-a first shielding layer; 2-a power line;

3-control cable 4-second shield

5-sheath 11-first aluminum-plastic composite belt

12-nickel-plated copper fiber braided shielding layer 21-first silver-plated copper-clad aluminum wire core

22-crosslinked ethylene-tetrafluoroethylene polymer layer 31-second silver-plated copper-clad aluminum wire core

32-Polytetrafluoroethylene film 41-polyester tape

42-drainage wire 43-second aluminum-plastic composite belt

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The embodiment provides a high temperature resistant fire-retardant ultra-light integrated cable that shields, as shown in fig. 1, including first shielding layer 1 to and set up power cord 2, control cable 3, radio frequency coaxial line, ethernet cable and 1553B bus in first shielding layer 1, the power cord 2 and the 3 outsides of control cable are provided with second shielding layer 4 respectively.

In this embodiment, optionally, the number of the power lines is 1 group, the number of the control cables is 1 group, the number of the radio frequency coaxial lines is 1, the number of the ethernet lines is 1, and the number of the 1553B buses is 1.

In the embodiment, different wires are respectively and independently twisted and then integrated according to the requirements of different functions such as electric signals, control signals, data signals and the like, so that the space occupied by the cable is greatly reduced. Meanwhile, the power line 2, the control cable 3, the radio frequency coaxial line, the Ethernet line and the 1553B bus are respectively and independently shielded, and the structural design of total shielding is carried out after integration, so that mutual crosstalk of components of independent working parts and interference of external electromagnetic fields are eliminated, the anti-interference capability of the cable is enhanced, and the probability of potential faults of an aircraft is reduced.

The power line 2 comprises a first silver-plated copper-clad aluminum wire core 21 and a cross-linked ethylene-tetrafluoroethylene polymer layer 22 coated on the outer side of the first silver-plated copper-clad aluminum wire core 21, and the control cable 3 comprises a second silver-plated copper-clad aluminum wire core 31 and a polytetrafluoroethylene film layer 32 coated on the outer side of the second silver-plated copper-clad aluminum wire core 31.

The first shielding layer 1 sequentially comprises a first aluminum-plastic composite belt 11 and a nickel-plated copper fiber braided shielding layer 12 from inside to outside, and the second shielding layer 4 sequentially comprises a polyester belt 41, a drainage wire 42 and a second aluminum-plastic composite belt 43 from inside to outside.

The outermost layer of the cable is coated with a sheath 5 which is a flame-retardant thermoplastic elastomer.

In this embodiment, first shielding layer 1, power cord 2, control cable 3, second shielding layer 4 and sheath all adopt the novel ultra-light material in aerospace field, can reduce the comprehensive weight of product under the prerequisite that satisfies the same function, have high temperature resistant, advantage that flame retardant property is good simultaneously. The integrated cable provided by the embodiment can be used at the ambient temperature of 200 ℃ for a long time; the flame retardant property of the flame retardant meets the requirements of A-type bundled combustion tests in IEC 60332-3.

In the embodiment, the core of the power line 2 and the core of the control cable 3 are respectively made of silver-plated copper-clad aluminum cores, and are coated with crosslinked ethylene-tetrafluoroethylene; the first shielding layer 1 adopts a first aluminum-plastic composite belt (11) and a nickel-plated copper fiber braided shielding layer 12; the second shielding layer 4 adopts a polyester tape (41), a drainage wire (42) and a second aluminum-plastic composite tape (43); the sheath 5 is made of a flame retardant thermoplastic elastomer. The materials are novel ultra-light materials in the aerospace field, and the comprehensive weight of the product is reduced by more than 30% on the premise of meeting the same function.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a high temperature resistant fire-retardant shielding ultra-light integrated cable, its characterized in that includes first shielding layer (1) to and set up power cord (2), control cable (3), radio frequency coaxial line, ethernet cable and 1553B bus in first shielding layer (1), the power cord is provided with second shielding layer (4) respectively with the control cable outside.

2. The high-temperature-resistant flame-retardant shielding ultra-light integrated cable as claimed in claim 1, wherein the power line (2) comprises a first silver-plated copper-clad aluminum core (21) and a crosslinked ethylene-tetrafluoroethylene polymer layer (22) coated outside the first silver-plated copper-clad aluminum core (21).

3. The high-temperature-resistant flame-retardant shielding ultra-light integrated cable as claimed in claim 1, wherein the control cable (3) comprises a second silver-plated copper-clad aluminum core (31) and a polytetrafluoroethylene film layer (32) coated outside the second silver-plated copper-clad aluminum core (31).

4. The high-temperature-resistant flame-retardant shielding ultra-light integrated cable according to claim 1, wherein the first shielding layer (1) comprises a first aluminum-plastic composite tape (11) and a nickel-plated copper fiber braided shielding layer (12) from inside to outside in sequence.

5. The high-temperature-resistant flame-retardant shielding ultra-light integrated cable as claimed in claim 1, wherein the second shielding layer (4) comprises a polyester tape (41), a drainage wire (42) and a second aluminum-plastic composite tape (43) from inside to outside in sequence.

6. A high temperature resistant flame retardant shielded ultra-light integrated cable according to claim 1, wherein the outermost layer of the cable is coated with a sheath (5) which is a flame retardant thermoplastic elastomer.