CN201142244Y - Weatherability shielding electrical cable - Google Patents

Abstract

The utility model discloses a weather resistant screened cable. The weather resistant screened cable comprises a plurality of conducting wires, fillings, a screened layer and an outer covering layer, the conducting wires comprise conductors and first insulating layers coated on the conductors, wherein, the conducting wires comprises at least one signal wire and power lines, the signal wire further comprises an inner copper grid braiding layer and a second insulating layer, the inner copper grid braiding layer is braided on the periphery of the first insulating layer of the signal wire, the second insulating layer is coated on the periphery of the inner copper grid braiding layer, the fillings are arranged in the gap between the conducting wires, and intertwisted into a cable core, the screened layer coats the cable core, and the outer covering layer coats the screened layer. Since the conducting wires are composed of the signal wires and the power lines, one cable can transmit not only the information signal, but also the power signal, the inner copper grid braiding layer can effectively screen disturbance, the screened layer and the insulating layer can further screen the disturbance, the service performance of the equipment is enhanced, the outer covering layer is low-smoke and halogen-free, conducive to environment friendliness, anti-ultraviolet and cold resistant, thereby, the adaptive capacity to environment of the weather resistance screened cable is high.

Description

The weatherability shielded type cable

Technical field

The utility model relates to a kind of equipment cable, relates in particular to a kind of weatherability shielded type cable.

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, engineer 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 engineering 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 engineering 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.

Continuous development along with modern society's industrial technology, in the industrial equipment with intelligent engineering equipment, not only need to use the cable transmission power supply signal, also need information signal with the instruction of cable transport tape, so industrial equipment all has high requirements for the real-time and the accuracy of power supply signal and information signal, in order to improve equipment performance, needing to external world, electric field, the next interference in magnetic field shield.And industrial equipment reaches the workshop usually in the open air with cable and uses, 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 shield effectiveness is good, the engineering equipment of uvioresistant, anti-aging and environmental protection is with several essential conditions of cable.

Therefore, demand providing a kind of urgently and can adapt to that various weather conditions, shield effectiveness are good, uvioresistant, anti-aging and environmental protection, applied widely and the weatherability shielded type cable that holding wire and power line twist together overcome above defective.

The utility model content

The purpose of this utility model is to provide a kind of improved weatherability shielded type cable, described cable can adapt to that various weather conditions, shield effectiveness are good, uvioresistant, anti-aging and environmental protection, and holding wire and power line twisted together, and can satisfy the required harsh conditions of industrial equipment that are operated in adverse circumstances.

For achieving the above object, the technical solution of the utility model is: a kind of weatherability shielded type cable is provided, describedly comprise some leads, obturator, screen and serving, described lead comprises conductor and coats first insulating barrier of described conductor, its described lead comprises holding wire and power line, at least one of described holding wire, the copper wire mesh braided layer and second insulating barrier in described holding wire also comprises, copper wire mesh braided layer is woven in the first insulating barrier periphery of described holding wire in described, described second insulating barrier is coated on the periphery of the interior copper wire mesh braided layer of described holding wire, described obturator is located in the space between the lead, described lead and obturator are twisted into the cable cable core, described screen coats described cable cable core, and described serving coats described screen, and described serving is a Thermoplastic Vulcanizate.

Preferably, described in copper wire mesh braided layer be silver-plated copper wire mesh braided layer, its coverage rate is 86%, described in copper wire mesh braided layer be directly to be that the copper cash weaving of 0.10mm forms by 64 lines.

Preferably, described screen is zinc-plated copper wire mesh braided layer, and the coverage rate of described screen is 86%, and described screen directly is that the tinned wird weaving of 0.10mm forms by 80 lines.

Preferably, described first insulating barrier is the soluble poly ptfe plastic, and described second insulating barrier is a polyfluorinated ethylene plastic, and described obturator is a nylon yarn, and described conductor is a silver-coated copper wire.

Preferably, the lay of the cable cable core that is twisted into of described lead and obturator is between between the 52mm to 56mm.

Preferably, totally eight in described lead, wherein said holding wire has one, and described power line has seven.

Compared with prior art, lead described in the utility model is made up of holding wire and power line, described holding wire is used for the information signal of transmission control equipment work, described power line is used for the equipment that is transmitted as provides the power supply signal of work, make the information signal that a cable both can transmission control equipment work, also can be transmitted as the power supply signal that equipment provides working power, provide cost savings and be convenient to and operate, and the first insulating barrier periphery of described holding wire is woven with interior copper wire mesh braided layer, can effectively shield the mutual interference mutually between external interference and holding wire and the power line, the stranded formation cable of described obturator and lead core, make cable whole firmly substantial, and circularity is good, described screen coats described cable cable core, can further shield external interference, the serviceability of raising equipment, described serving is a Thermoplastic Vulcanizate, its low smoke and zero halogen, environmental, and uvioresistant, also cold-resistant, therefore cable of the present utility model can satisfy industrial equipment in the abominable workplace operate as normal of environment, and adaptive capacity to environment is strong.

Description of drawings

Fig. 1 is the structure chart of the utility model weatherability shielded type cable.

Fig. 2 is the sectional view of weatherability shielded type cable 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 environmental protection, cold-resistant, uvioresistant and has good shield effectiveness, and the weatherability shielded type cable that holding wire and power line are twisted together.Described cable can overcome open-air adverse circumstances and guarantee communication quality, satisfies the several essential conditions of engineering equipment with cable.

Figure 1 and Figure 2, the utility model weatherability shielded type cable comprises eight leads 110, screen 120 and serving 130, above-mentioned lead 110 comprises conductor 111 and coats first insulating barrier 113 of described conductor 111.Obturator 140 is located in the space between the described lead 110, and these leads 110 and obturator 140 are twisted into the cable cable core mutually, lay be situated between and 52mm to 56mm between, be the best with the lay of 54mm.Described screen 120 coats described cable cable core, and described serving 130 coats described screen 120.The coverage rate of described screen 120 is 86%.

As shown in Figure 2, in above-mentioned eight leads 110, the holding wire 110a that is used for transmit information signals is one, remain seven for being used for the power line 110b of electric energy transmitting, make the information signal that a cable both can transmission control equipment work like this, also can be transmitted as the power supply signal that equipment provides working power, provide cost savings and be convenient to and operate, described holding wire 110a is except comprising the conductor 111 and first insulating barrier 113, the copper wire mesh braided layer 114 and second insulating barrier 115 in also comprising, copper wire mesh braided layer 114 is coated on described first insulating barrier 113 in described, described second insulating barrier 115 is coated on the described interior copper wire mesh braided layer 114, copper wire mesh braided layer 114 can effectively shield phase mutual interference and the extraneous interference between above-mentioned holding wire 110a and the power line 110b in described, and described second insulating barrier 115 further improves the insulating properties between each lead 110.

As shown in Figure 2, interior copper wire mesh braided layer 114 is silver-plated copper wire mesh braided layer, also can be other wire netting braid, as zinc-plated copper wire mesh braided layer etc.Should in copper wire mesh braided layer 114 directly be that the silver-coated copper wire weaving of 0.10mm forms by 64 lines, coverage rate is 86%.

As shown in Figures 1 and 2, described screen 120 is zinc-plated copper wire mesh braided layer, also can be other wire netting braid shielding, as silver-plated copper wire mesh braided layer shielding etc., described screen 120 coats the cable cable core that is twisted into by described lead 110 and obturator 140, described screen 120 directly is that the tinned wird weaving of 0.10mm forms by 80 lines, and coverage rate is 86%.Can effectively shield external interference, stop of the interference of external electromagnetic ripple, improve its serviceability electronic equipment, industrial equipment.

Described conductor 111 adopts the material of suitable conduction to make, and preferably silver-coated copper wire also can be other material, as copper cash, tinned wird or the like.Preferably, the conductor 111 in the present embodiment adopts the 30AWG line, and its diameter is about 0.31mm.Described first insulating barrier 113 is soluble poly tetrafluoroethene (PFA) plastics, and is more high temperature resistant, and seven power line 110b have red, black, white, green, yellow, blue, purple seven kinds of colors, are used for lead is distinguished.Second insulating barrier 115 of described holding wire 110a is white perfluoroethylene-propylene (FEP) plastics, and the high temperature of ability 200 degree Celsius has improved the insulating properties between holding wire 110a and the power line 110b, and high temperature resistant, can be under the condition of awful weather operate as normal.Described obturator 140 is nylon (PA) silk, has high mechanical properties, high rigidity, toughness is strong and mechanical vibration damping is strong, make the cable core of described obturator and the stranded formation of lead whole firmly substantial, and circularity is good.

The serving 130 of cable can protect that whole electric power cable inside is not mechanically damaged, chemical corrosion and climatic influences, 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 utility model weatherability shielded type cable, described lead 110 is made up of holding wire 110a and power line 110b, described holding wire 110a is used for the information signal of transmission control equipment work, described power line 110b is used for the equipment that is transmitted as provides the power supply signal of work, make the information signal that a cable both can transmission control equipment work, also can be transmitted as the power supply signal that equipment provides working power, provide cost savings and be convenient to and operate, and first insulating barrier, 113 peripheries of described holding wire 110a are woven with interior copper wire mesh braided layer 114, can effectively shield the mutual interference mutually between external interference and holding wire 110a and the power line 110b, described obturator 140 and lead 110 stranded formation cable cable cores, make cable whole firmly substantial, described screen 120 coats described cable cable core, can further shield external interference, the serviceability of raising equipment, described serving 130 is a Thermoplastic Vulcanizate, its low smoke and zero halogen, environmental, and uvioresistant, also cold-resistant, therefore cable of the present utility model can satisfy industrial equipment in the abominable workplace operate as normal of environment, and adaptive capacity to environment is strong.

Material that the utility model weatherability shielded type cable is related and parameter are all decided according to actual conditions, for well known to those of ordinary skill in the art, no longer are described in detail at this.

Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.

Claims (9)

1. weatherability shielded type cable, comprise some leads, obturator, screen and serving, described lead comprises conductor and coats first insulating barrier of described conductor, it is characterized in that: described lead comprises holding wire and power line, at least one of described holding wire, the copper wire mesh braided layer and second insulating barrier in described holding wire also comprises, copper wire mesh braided layer is woven in the first insulating barrier periphery of described holding wire in described, described second insulating barrier is coated on the periphery of the interior copper wire mesh braided layer of described holding wire, described obturator is located in the space between the lead, described lead and obturator are twisted into the cable cable core, described screen coats described cable cable core, described serving coats described screen, and described serving is a Thermoplastic Vulcanizate.

2. weatherability shielded type cable as claimed in claim 1 is characterized in that: copper wire mesh braided layer is silver-plated copper wire mesh braided layer in described.

3. weatherability shielded type cable as claimed in claim 2 is characterized in that: copper wire mesh braided layer is directly to be that the copper cash weaving of 0.10mm forms by 64 lines in described.

4. weatherability shielded type cable as claimed in claim 1 is characterized in that: described first insulating barrier is the soluble poly ptfe plastic, and described second insulating barrier is a polyfluorinated ethylene plastic.

5. weatherability shielded type cable as claimed in claim 1 is characterized in that: described obturator is a nylon yarn.

6. weatherability shielded type cable as claimed in claim 1 is characterized in that: described screen is directly to be that the tinned wird weaving of 0.10mm forms by 80 lines.

7. weatherability shielded type cable as claimed in claim 1 is characterized in that: the lay of the cable cable core that described lead and obturator are twisted into is between between the 52mm to 56mm.

8. weatherability shielded type cable as claimed in claim 1 is characterized in that: totally eight in described lead, and wherein said holding wire has one, and described power line has seven.

9. weatherability shielded type cable as claimed in claim 1 is characterized in that: described conductor is a silver-coated copper wire.

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