Superconducting cable for military industry equipment
Technical field
The utility model relates to a kind of electric power cable, relates more specifically to a kind of superconducting cable for military industry equipment.
Background technology
Electric wire has been widely used in the detection of industrial production, communications and transportation, architectural engineering and facility, modern agriculture and scientific research, war industry equipment or military installations, space, ocean at present, and has reached ubiquitous state.Along with socioeconomic activity description is carried out the development of step great-jump-forward from the degree of depth to the range, the electric wire kind is brought in constant renewal in and is perfect, and output continues to increase.For example, building the high-intelligentization building needs for hundreds of, thousands of computer network cable that electronic computer divides cascade network to use; Build the public cable television network in city, the whole city and even all banks of the whole nation banking procedure where deposits and withdrawals are processed at any branch bank, carry out online economic interaction and information interchange etc. and must install the broad band cable net that high reliability transport is used; Realize that the emission of military artillery or antiaircraft artillery group remote control procedure need design the control cable that is fit to field extreme environment.
The application of electric wire mainly is divided into three major types: electric power system, the information transmission system and plant equipment and instrument and meter system.The electric wire product that electric power system adopts mainly contains built on stilts bare wire, bus-bar (bus), power cable, rubber cover cable, aerial insulated cable), branch cable (replacing the part bus), electromagnetic wire and power equipment be with the electrical equipment electric wire etc.The electric wire that is used for the information transmission system mainly contains local cable, camera cable, electronic cable, radio frequency cable, fiber optic cable, data cable, electromagnetic wire, power communication or other composite cables etc.In plant equipment, the instrument and meter system except that built on stilts bare wire almost other all products application is all arranged, but mainly be power cable, electromagnetic wire, data cable, instrument and meter cable etc.
Superconducting cable for military industry equipment is if use as the communications cable, all has high requirements for the real-time and the accuracy of signal, and in order to improve equipment performance, when guaranteeing signaling rate, the interference that needs electric field, magnetic field to external world shields.In addition, electrical cable for military industry equipment uses usually in the open air, and operational environment very severe, variations in temperature difference are subjected to ultraviolet irradiation greatly and directly, so cable is very easily aging and damaged, thereby causes equipment fault.Simultaneously, the serving of existing conventional cable causes environmental pollution in case aging breakage can produce halogen etc. usually.At present common cable can not satisfy simultaneously that transmission speed is fast, shield effectiveness good, several essential conditions of the electrical cable for military industry equipment of uvioresistant, anti-aging and environmental protection.
Therefore, demand providing that a kind of transmission speed is fast, shield effectiveness good urgently, uvioresistant, anti-aging and cable environmental protection overcome above defective.
The utility model content
The purpose of this utility model provides a kind of superconducting cable for military industry equipment.Described superconducting cable for military industry equipment transmission speed is fast, shield effectiveness good, uvioresistant, anti-aging and environmental protection.
For achieving the above object, the superconducting cable for military industry equipment that the utility model provides comprises several wire core, outer copper wire mesh braided layer and serving.Described core comprises conductor and coats first insulating barrier of described conductor that described core comprises at least one master core, the copper wire mesh braided layer and second insulating barrier in described master core also comprises.Copper wire mesh braided layer is woven in the described first insulating barrier periphery in described, and described second insulating barrier coats described interior copper wire mesh braided layer.Described core is twisted into the cable cable core, and described master core is positioned at the center of described cable cable core.Described outer copper wire mesh braided layer coats described cable cable core, the described outer copper wire mesh braided layer of described serving lining, and described serving is a Thermoplastic Vulcanizate.
In an embodiment of the present utility model, described conductor is a silver-coated copper wire.
In another embodiment of the present utility model, the described first insulating barrier material is a polytetrafluoroethylplastic plastic.Described second insulating barrier is a polyfluorinated ethylene plastic.
In another embodiment of the present utility model, described inside and outside copper wire mesh braided layer is the silver-coated copper wire braid.Preferable, described inside and outside copper wire mesh braided layer all is to be formed by 144 silver-coated copper wire weavings, the coverage rate of braiding is 86%.
In another embodiment of the present utility model, totally ten five of described cores, described master core has three.Preferable, the conductor of described master core is that line directly is the silver-coated copper wire of 0.64mm, the conductor of other described core is that line directly is the silver-coated copper wire of 1.01mm.
Compared with prior art, the core of superconducting cable for military industry equipment of the present utility model adopts the less material of resistance to make, and can guarantee the quick transmission of signal, reduces signal attenuation; The master core of described cable has interior copper wire mesh braided layer outward, can effectively shield external interference, and the cable cable core further is coated with outer copper wire mesh braided layer outward, can further shield interference, improves the serviceability of equipment; In addition, described master core is positioned at the center of described cable cable core, this kind structure not only can make cable do more smoothly, round, and make master core be not easy to be disturbed by outer signals, further guarantee the real-time and the accuracy of signal transmission; Described cable serving adopts Thermoplastic Vulcanizate to make, and its low smoke and zero halogen is environmental, and uvioresistant, and is also cold-resistant.Therefore, cable of the present utility model can satisfy military industry equipment in the abominable field work conditions needed of environment.
By following description also in conjunction with the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used to explain embodiment of the present utility model.
Description of drawings
Fig. 1 is the structure chart of the utility model superconducting cable for military industry equipment.
Fig. 2 is the sectional view of superconducting cable for military industry equipment shown in Figure 1.
Embodiment
With reference now to accompanying drawing, describe embodiment of the present utility model, the similar elements label is represented similar elements in the accompanying drawing.As mentioned above, the utility model aims to provide a kind of superconducting cable for military industry equipment, and the transmission of this cable signal is fast, and shield effectiveness is good, uvioresistant, anti-aging and environmental protection, is applicable to the military industry equipment in the abominable field work of environment.
Fig. 1-2 has showed an embodiment of the utility model superconducting cable for military industry equipment.As shown in the figure, described superconducting cable for military industry equipment comprises 15 cores 110, outer copper wire mesh braided layer 120 and serving 130.Described core 110 comprises conductor 111 and coats first insulating barrier 113 of described conductor.Comprise three master core 110a in described 15 cores 110.The copper wire mesh braided layer 115 and second insulating barrier 117 in described master core 110a also comprises, described interior copper wire mesh braided layer 115 is woven in described first insulating barrier 113 peripheries, and described second insulating barrier 117 coats described interior copper wire mesh braided layer 115.These cores 110 and master core 110a are twisted into the cable cable core, and described master core 110a and single line core 110 are positioned at the center of described cable cable core, and all the other cores 110 are arranged around the core 110 of this master core 110a and center.Described outer copper wire mesh braided layer 120 coats described cable cable core, the described outer copper wire mesh braided layer 120 of described serving 130 linings, and described serving 130 is a Thermoplastic Vulcanizate.
In the present embodiment, the conductor of three master core 110a adopts silver-coated copper wire.Preferably, described master core 110a adopts three 24AWG lines, the about 0.64mm of its conductor diameter; The conductor 111 of other 12 cores 110 adopts silver-coated copper wire, preferably, adopts 12 20AWG lines, and its conductor diameter is about 1.01mm.The conductor of these cores 110 and master core 110a all adopts the less material of resistance to make, and can guarantee the quick transmission of signal, reduces signal attenuation.
Copper wire mesh braided layer 115 be silver-plated copper wire mesh braided layer in described, and is concrete, and described interior copper wire mesh braided layer is directly to be that the silver-coated copper wire weaving of 0.16mm forms by 144 lines, and the coverage rate of braiding is 86%.Described outer copper wire mesh braided layer 120 also is silver-plated copper wire mesh braided layer, directly is that the silver-coated copper wire weaving of 0.16mm forms by 144 lines, and the coverage rate of braiding is 86%.
Because the utility model has adopted the dual shield measure, promptly interior copper wire mesh braided layer 113 and outer copper mesh screen 120 can effectively shield external interference, stop the interference of external electromagnetic ripple to electronic equipment, industrial equipment, improve its serviceability.In addition, the structure that master core is positioned at cable cable core center not only can make cable do more smoothly, round, and make master core be not easy to be disturbed by outer signals, further guarantee the real-time and the accuracy of signal transmission.
Described first insulating barrier 113 is the polytetrafluoroethylene (PTFE) plastics, can anti-ly take the photograph the high temperature of formula 250 degree, its color is respectively brown, blue look, yellow, redness, green, pink, white, grey, black, orange, aubergine and true qualities, be used for core is distinguished, thickness is about 0.25mm.Second insulating barrier 117 of described master core 110a is perfluoroethylene-propylene (FEP) plastics, and also ability is taken the photograph the high temperature of formula 200 degree, and its color is respectively redness, black, white, is used for core is distinguished, and thickness is about 0.26mm.
The serving 130 of cable can protect whole electric power cable inside not to be mechanically damaged and chemical corrosion, adopts Thermoplastic Vulcanizate (TPV) to make.This material low smoke and zero halogen, environmental, and uvioresistant, cold-resistant, therefore can work in the adverse circumstances in the open air.The color of described serving can be black, and its thickness is about 0.35mm.
Abovely the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to essence of the present utility model in conjunction with most preferred embodiment.