Artillery composite cable

Abstract

The utility model relates to a weapon cable, and aims to provide an artillery composite cable, which can effectively transmit control signals, comprehensive data and electric energy, and has the characteristics of high and low temperature resistance, flame retardance and electromagnetic interference resistance. According to the technical scheme, the artillery composite cable is characterized by comprising a filling core, and a first insulating wire layer, a second insulating wire layer, a third insulating wire layer, a first composite wire layer, a second composite wire layer, a flame-retardant layer and a sheath which are sequentially coated outside the filling core from inside to outside.

Description

Technical Field

[0001] The utility model relates to a weapon cable, in particular to a comprehensive artillery cable. Background Art

[0002] With the continuous updating of military equipment, more and more military equipment has changed from single function to integrated multi-function, and these integrated functions need to transmit instructions through integrated cables. Traditional integrated cables have disordered arrangement of insulated wire cores, which takes up space during assembly and makes cable connection and assembly complicated and difficult; therefore, it is necessary to design a multi-unit artillery integrated cable. Utility Model Content

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the above-mentioned background technology and to provide an integrated artillery cable which can effectively transmit control signals, integrated data and electrical energy and has the characteristics of high and low temperature resistance, flame retardancy and resistance to electromagnetic interference.

[0004] The technical solution adopted by the utility model is:

[0005] A comprehensive artillery cable, characterized in that the cable comprises a core filler and a first insulating wire layer, a second insulating wire layer, a third insulating wire layer, a first composite wire layer, a second composite wire layer, a flame retardant layer and a sheath sequentially coated on the outside of the core filler from the inside to the outside;

[0006] The first insulating wire layer includes a plurality of first insulating wires arranged in sequence along a circumferential direction and a first wrapping layer wrapped around the plurality of first insulating wires;

[0007] The second insulating wire layer includes a plurality of first insulating wires arranged in sequence along the circumferential direction and a second wrapping layer wrapped around the plurality of first insulating wires;

[0008] The inner layer of the third insulating wire layer includes a plurality of first insulating wires and a plurality of second insulating wires arranged in sequence along the circumferential direction, and the outer layer of the third insulating wire layer is a polyester film layer covering the inner layer;

[0009] The inner layer of the first composite wire layer is composed of a plurality of coaxial cables, a plurality of shielded single wires and a plurality of unit signal wires arranged in sequence along the circumferential direction; the outer layer of the first composite wire layer is a polyester film layer;

[0010] The second composite wire layer comprises a plurality of unit signal wires and a plurality of unit twisted pair shielded wires which are sequentially arranged along a circumferential direction.

[0011] The core filling is a flame-resistant and high temperature resistant PP filling rope.

[0012] The conductors of the first insulated wire and the second insulated wire are both tinned conductors, and the insulation layers of the first insulated wire and the second insulated wire are perfluoroethylene propylene copolymer insulation layers; the first wrapping layer and the second wrapping layer are both fiber comb wrapping layers.

[0013] The conductor of the coaxial cable is a silver-plated copper-clad steel conductor, and the insulation layer of the coaxial cable is a perfluoroethylene-propylene copolymer insulation layer.

[0014] The conductor of the shielded single wire is a tinned conductor, and the insulation layer of the shielded single wire is a perfluoroethylene-propylene copolymer insulation layer.

[0015] The signal line includes two signal conductors and a signal shielding layer coated on the outside of the two signal conductors; the conductor of the signal conductor is a tinned conductor, and the insulation layer of the signal conductor is a perfluoroethylene propylene copolymer insulation layer; the signal shielding layer is an aluminum-plastic composite tape wrapping layer and a tinned wire braided layer coated on the outside of the two signal conductors in sequence from the inside to the outside.

[0016] The twisted pair shielded cable comprises a filling rope extending along the length direction and two twisted pair conductors, and a twisted pair shielding layer coated on the outside of the filling rope and the two twisted pair conductors, the conductor in the twisted pair conductors is a tinned conductor, the insulating layer in the twisted pair conductors is a perfluoroethylene propylene copolymer insulating layer, and the twisted pair shielding layer is an aluminum-plastic composite tape wrapping layer and a tinned wire braided layer coated in sequence from the inside to the outside; the filling rope is a flame-resistant and high-temperature resistant PP filling rope.

[0017] The flame retardant layer is a flame retardant layer wrapped with glass cloth tape.

[0018] The sheath is a neoprene rubber sheath.

[0019] The utility model has the following beneficial effects: the artillery integrated cable provided is composed of a power line (a first insulated line, a second insulated line), a signal line, and a twisted shielded signal line, etc. The cable core is arranged more regularly, the overall outer diameter of the cable is small, and the cable connection and installation are more convenient, which not only ensures the electromagnetic compatibility performance of the cable, but also ensures the transmission of power and signals. The chloroprene rubber sheath has excellent ozone resistance, high and low temperature resistance, oil resistance, and solvent resistance; it has good flame retardancy and excellent wear resistance, and improves the environmental resistance and mechanical properties of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the cross-sectional structure of an embodiment of the utility model.

[0021] Figure 2 for Figure 1 Schematic diagram of the enlarged structure of the signal line.

[0022] Figure 3 for Figure 1Schematic diagram of the enlarged structure of the twisted pair shielded cable.

[0023] Numbers in the figure: A, first insulating wire layer; B, second insulating wire layer; C, third insulating wire layer; D, first composite wire layer; E, second composite wire layer; 1, first insulating wire; 2, second insulating wire; 3, coaxial cable; 4, shielded single wire; 5, signal wire; 5-1, signal conductor; 5-2, signal shielding layer; 6, twisted-pair shielded wire; 6-1, twisted-pair conductor; 6-2, twisted-pair shielding layer; 6-3, filling rope; 7, winding layer; 8, polyester film layer; 9, flame retardant layer; 10, sheath; 11, core filling. DETAILED DESCRIPTION

[0024] The following is a further description with reference to the embodiments shown in the accompanying drawings.

[0025] The attached drawing shows the structure of the artillery cable complex; in which:

[0026] (1) First insulated wire 1 (conductor preferably 0.35 mm 2 ) 24 in total; second insulated wire 2 (conductor preferably 0.5mm 2 ) 10 in total: provide power supply for the artillery.

[0027] Conductor: It is a tinned stranded conductor. The conductor is stranded with a small pitch (pitch is 8mm) and is relatively soft. The insulation layer is a perfluoroethylene propylene copolymer (FEP) insulation layer, which ensures the insulation electrical and mechanical properties, and the material is resistant to high and low temperatures.

[0028] (2) Coaxial cables 3, 6 in total; used to provide video signals.

[0029] Conductor: Silver-plated copper-clad steel, insulation layer is PTFE insulation layer.

[0030] (3) Shielded single wires 4; 8 in total: control signal group, transmitting control signals.

[0031] Conductor: Tinned stranded conductor (preferably 3.0mm 2 ), the conductor is twisted with a small pitch (pitch is 8mm), which is relatively soft; the insulation layer is FEP insulation layer, which ensures the insulation electrical and mechanical properties, and the material is resistant to high and low temperatures; the shielding adopts aluminum molding composite tape wrapping and tinned wire braiding combined shielding to ensure the electromagnetic compatibility of each unit. Signal transmission is guaranteed.

[0032] (4) The signal line 5 has 4 units in total; it is a 485 bus that provides bus signals. The core of each unit is two twisted signal conductors 5-1, and the outside of the core is a signal shielding layer 5-2.

[0033] The conductor of the signal wire is a stranded tinned conductor (preferably 2*0.35mm 2), the tinned conductor is twisted with a small pitch (pitch is 8mm) and is relatively soft; the insulation layer of the signal wire is FEP insulation layer, which ensures the insulation electrical and mechanical properties, and the material is resistant to high and low temperatures, while ensuring the insulation thickness and characteristic impedance meet the requirements; the signal shielding layer is an aluminum-plastic composite tape wrapping layer and a tinned wire braiding layer arranged from the inside to the outside of the core. This combined shielding method ensures the electromagnetic compatibility of each unit. Signal transmission is guaranteed.

[0034] (5) The twisted-pair shielded wire 6 has a total of 8 units, which provide control signals; the wire core of each unit includes two twisted-pair conductors 6-1 and a filling rope 6-3, and the outside of the wire core is a shielding layer.

[0035] Conductor of twisted pair: Tinned stranded conductor (preferably 1.5mm 2 The conductor is twisted with a small pitch (16mm), which is relatively soft; the insulation layer of the twisted pair conductor is FEP insulation layer, which ensures the insulation electrical and mechanical properties, and the material is resistant to high and low temperatures; the twisted pair conductor is twisted with different small pitches (42mm; 44mm) to form different balance nodes to prevent signal interference; the shielding layer is an aluminum-plastic composite tape wrapping layer and a tinned wire braiding layer arranged from the inside to the outside of the core. This combined shielding method ensures the electromagnetic compatibility of each unit. Signal transmission is guaranteed.

[0036] Filling rope: The material used is flame retardant and high temperature resistant PP material.

[0037] (6) The fiber is combed around the sheath; it acts as a bundle to make the cable more compact and round, and the outer diameter of the cable is smaller;

[0038] (7) Polyester film layer 8; not only thin but also with insulating properties, suitable for cable wrapping;

[0039] (8) The flame retardant layer 9 is a flame retardant layer wrapped with glass cloth tape: it not only plays a bundling role, but also has a high oxygen index, plays a flame retardant role, and makes the cable have better flame retardancy.

[0040] (9) The sheath layer 10 is a chloroprene rubber sheath layer, which has excellent ozone resistance, weather resistance, oil resistance, and solvent resistance; it has good flame retardancy and excellent wear resistance, thereby improving the environmental resistance and mechanical properties of the cable.

[0041] Performance indicators of chloroprene rubber sheath layer:

[0042] Low temperature resistance: -40 degrees for 4 hours, after winding with 10 times rod, the sheath does not crack;

[0043] Oil resistance: After being placed in 50-degree oil for 25 hours, the volume expansion does not exceed 5%;

[0044] Ozone resistance: Under ozone concentration of 100PPM, the sheath does not crack after 48 hours.

[0045] Features of this utility model:

[0046] 1. The conductor is tinned to ensure flexibility.

[0047] 2. The insulating layer is a FEP insulating layer to ensure insulating electrical and mechanical properties.

[0048] 3. Composite shielding layer composed of aluminum-plastic composite tape wrapping layer and tinned wire braided layer: ensures electromagnetic compatibility of the cable during operation.

[0049] 4. The sheath ensures the compactness and roundness of the cable.

[0050] 5. Sheath: The outer sheath is a chloroprene rubber sheath, which has excellent ozone and weather resistance, oil resistance, and solvent resistance; it has good flame retardancy and excellent wear resistance, which improves the environmental resistance and mechanical properties of the cable, making the cable more suitable for dragging and use in outdoor environments.

[0051] 6. Comprehensive cable integration: perfect combination of power supply, power control signal, data signal, 485 bus signal and video signal. It ensures data measurement and control and power transmission of the whole system of the gun.

[0052] The above is a detailed introduction to the artillery integrated cable provided by the utility model; for general manufacturers in this field, according to the ideas and principles of the embodiments of the utility model, there will be changes in the specific implementation methods and application scope; therefore, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A comprehensive artillery cable, characterized in that: The cable comprises a core filling and a first insulating wire layer (A), a second insulating wire layer (B), a third insulating wire layer (C), a first composite wire layer (D), a second composite wire layer (E), a flame retardant layer (9) and a sheath (10) which are sequentially coated on the outside of the core filling from the inside to the outside; The first insulating wire layer comprises a plurality of first insulating wires (1) arranged in sequence along a circumferential direction and a first wrapping layer wrapped around the plurality of first insulating wires; The second insulating wire layer includes a plurality of first insulating wires arranged in sequence along the circumferential direction and a second wrapping layer wrapped around the plurality of first insulating wires; The inner layer of the third insulating wire layer comprises a plurality of first insulating wires and a plurality of second insulating wires (2) arranged in sequence along the circumferential direction, and the outer layer of the third insulating wire layer is a polyester film layer covering the inner layer; The inner layer of the first composite wire layer is composed of a plurality of coaxial cables (3), a plurality of shielded single wires (4) and a plurality of unit signal wires (5) arranged in sequence along the circumferential direction; the outer layer of the first composite wire layer is a polyester film layer (8); The second composite wire layer comprises a plurality of unit signal wires and a plurality of unit twisted pair shielded wires arranged in sequence along the circumferential direction; The core filling is a flame retardant and high temperature resistant PP filling rope.

2. The integrated artillery cable according to claim 1, characterized in that: The conductors of the first insulated wire and the second insulated wire are both tinned conductors, and the insulation layers of the first insulated wire and the second insulated wire are perfluoroethylene propylene copolymer insulation layers; the first wrapping layer and the second wrapping layer are both fiber comb wrapping layers.

3. The integrated artillery cable according to claim 2 is characterized in that: The conductor of the coaxial cable is a silver-plated copper-clad steel conductor, and the insulation layer of the coaxial cable is a perfluoroethylene-propylene copolymer insulation layer.

4. The integrated artillery cable according to claim 3 is characterized in that: The conductor of the shielded single wire is a tinned conductor, and the insulation layer of the shielded single wire is a perfluoroethylene-propylene copolymer insulation layer.

5. The integrated artillery cable according to claim 4 is characterized in that: The signal line comprises two signal conductors (5-1) and a signal shielding layer (5-2) coated on the outside of the two signal conductors; the conductor of the signal conductor is a tinned conductor, and the insulating layer of the signal conductor is a perfluoroethylene propylene copolymer insulating layer; the signal shielding layer is an aluminum-plastic composite tape wrapping layer and a tinned wire braiding layer sequentially coated on the outside of the two signal conductors from the inside to the outside.

6. The integrated artillery cable according to claim 5, characterized in that: The twisted pair shielded wire comprises a filling rope (6-3) extending along the length direction and two twisted pair conductors (6-1) twisted together, and a twisted pair shielding layer (6-2) coated outside the filling rope and the two twisted pair conductors, the conductor in the twisted pair conductors is a tinned conductor, the insulating layer in the twisted pair conductors is a perfluoroethylene propylene copolymer insulating layer, and the twisted pair shielding layer is an aluminum-plastic composite tape wrapping layer and a tinned wire braiding layer coated in sequence from the inside to the outside.

7. The integrated artillery cable according to claim 6, characterized in that: The filling rope is a flame retardant and high temperature resistant PP filling rope.

8. The integrated artillery cable according to claim 7 is characterized in that: The flame retardant layer is a flame retardant layer wrapped with glass cloth tape.

9. The integrated artillery cable according to claim 8, characterized in that: The sheath is a neoprene rubber sheath.

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