CN204926840U - Fire -resistant control cable of electromagnetic interference signal shielding - Google Patents
Fire -resistant control cable of electromagnetic interference signal shielding Download PDFInfo
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- CN204926840U CN204926840U CN201520565541.9U CN201520565541U CN204926840U CN 204926840 U CN204926840 U CN 204926840U CN 201520565541 U CN201520565541 U CN 201520565541U CN 204926840 U CN204926840 U CN 204926840U
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- braid
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Abstract
The utility model relates to a cable field. Fire -resistant control cable of electromagnetic interference signal shielding including the sheath, buries three piece at least sinle silks underground in the sheath, the sinle silk includes the conductor, sets up the insulating layer outside the conductor, and the insulating layer is by the mica tape around wrapping the insulating layer that constitutes, still be equipped with a weaving layer between sheath and the insulating layer, the metal mesh that forms is woven by the nickel silk to the weaving layer, electroplates the one deck metal level on the outer wall of weaving layer, and the outer wall of metal level adheres to has water proof coating, and the metal level is the metal level of being made by aluminium. The utility model discloses an electromagnetic wave that the metal mesh produced in to signal transmission process shields. Nickel with low costs, electromagnetic shield's is effectual, including water proof coating can prevent that the metal level from receiving the aqueous vapor and rustting. The utility model discloses a metal mesh and metal level, duplicate protection completely cuts off the electromagnetic wave. The chemical stability of aluminium, the good low price of ductility can reduce the cost. The high temperature resistant of cable has been realized through the mica tape.
Description
Technical field
The utility model relates to field of cable technology, is specifically related to cable.
Background technology
All need to use cable to carry out the transmission of signal in a lot of occasions of different field, be often subject to the interference of electromagnetism in the process of traditional cable Signal transmissions thus have impact on the transmission of signal.
And the fire resistance of traditional cable is not good, the environment of high temperature can not be applicable to.
Utility model content
The utility model object is to be to provide a kind of electromagnetic interference signal shielding fireproof control cable, to solve at least one technical problem above-mentioned.
To achieve these goals, the technical solution of the utility model is as follows:
Electromagnetic interference signal shielding fireproof control cable, comprise sheath, it is characterized in that, bury at least three cores in described sheath underground, described core comprises conductor, the insulating barrier be arranged on outside conductor, described insulating barrier is the insulating barrier be made up of Mica tape;
A braid is also provided with between described sheath and described insulating barrier, described braid is the wire netting woven by nickel wire, the outer wall of described braid is electroplated layer of metal layer, the outer wall of described metal level is attached with water-repellent paint, and described metal level is metal level made of aluminum.
The utility model is shielded the electromagnetic wave produced in signals transmission by wire netting.The cost of nickel is low, electromagnetic shielding effective, adds water-repellent paint and metal level can be prevented to be subject to aqueous vapor and to get rusty.The utility model is by wire netting and metal level, and duplicate protection completely cuts off electromagnetic wave.The stable chemical performance of aluminium, the good low price of ductility can reduce cost.The high temperature resistant of cable is achieved by mica tape.
Be provided with a resilient coating between described braid and described sheath, described resilient coating is the resilient coating be made up of mica; Be provided with a magnetized layer between described resilient coating and described sheath, described magnetized layer is the magnetized layer be made up of iron oxide.The magnetic that magnetized layer can produce in absorbing cable, prevents that magnetic is excessive to have an impact to conductor.
Described sheath is the sheath woven by refractory fibre.
The utility model can resist the high temperature of more than 400 degrees Celsius by using the sheath of refractory fibre braiding, and the fine price of the stability of refractory fibre is low, can useful life of cost-saving raising cable.
The thickness of described braid is 0.3mm ~ 0.5mm, and the thickness of described metal level is 1/3rd of described braid thickness.
The utility model can be cost-saving by defining thickness.
Be provided with a lapping layer between described insulating barrier and described braid, described lapping layer forms by glass fiber tape is wrapped.
The utility model, by using lapping layer, dual high temperature resistant doubling can protect core.
The surface of described lapping layer is provided with the water accepting layer that one deck copper sulphate powder is made.Copper sulphate can the steam that producing after heated of absorbing cable.
At least two reinforcements are also embedded with in described sheath, the outer wall of described reinforcement is fixed with at least three disconnecting prevention structures, be provided with the through hole for installing described reinforcement in described sheath, the inwall of described through hole is provided with the groove matched with the outline of described disconnecting prevention structure.
The utility model, by being provided with disconnecting prevention structure, being convenient to realize reinforcement in sheath, being realized location, prevent the displacement that comes off.
The outer wall of described reinforcement is provided with through pressing the deformed region that cross-sectional deformation is flattened round, is described disconnecting prevention structure with described deformed region.
Thus be convenient to processing, while saving production cost, play the effect of anticreep.
Described core comprises at least three kinds of cores in the power line core of optical fiber cable core, netting twine core, the video line core of transmission video signal, transmission current; The outer wall of described optical fiber cable core, netting twine core and video line core is equipped with an electro-magnetic screen layer, and described electro-magnetic screen layer is the electro-magnetic screen layer be made up of Copper Foil.
The utility model can shield the electromagnetic wave produced in the process of the signal transmission between core and core by Copper Foil.The stable chemical performance of Copper Foil, cost is low.
Described conductor is provided with easy breakpoint, and the external diameter that described conductor is provided with easy breakpoint place is less than the external diameter described conductor not being provided with easy breakpoint place;
Described conductor is also provided with repair materials bag, described repair materials bag is positioned at described easy breakpoint placement, described repair materials comprises a welding material, an integument, in described easy breakpoint placement, the radial direction of described conductor is provided with described easy breakpoint successively outside interior, described welding material, described integument;
During described easy breakpoint fracture, described welding material molten connects described easy breakpoint.
By arranging easy breakpoint on conductor, at easy breakpoint setup repair materials bag, after fracture, the resistance at easy breakpoint place strengthens, and the increasing because of resistance causes heating up, thus fusion weld material, commute breakpoint carries out connection reparation.
At least three temperature sensors are embedded with in described sheath, the monitoring surface of described temperature sensor is towards the outer wall of described sheath, described temperature sensor is a radio temperature sensor, described temperature sensor is connected with microprocessor system wireless telecommunications, and described microprocessor system connects a warning device; At least three described temperature sensors are equidistantly arranged along described sheath central axial direction, and the arranging distance of adjacent described temperature sensor is not less than 2 meters.
The utility model by being embedded with temperature sensor in sheath, be convenient to the temperature of real-time monitoring temperature transducer present position, when the temperature anomaly monitored, be convenient to according to variations in temperature, judge whether fire, carried out early warning by warning device, thus improve the promptness of the artificial fire alarm of tradition, be convenient to change impaired cable main in time, ensure that it normally works.
Be provided with a wireless communication module in described temperature sensor, described microprocessor system connects the wireless receiving module matched with described wireless communication module; The transmission medium of described wireless communication module is ultrasonic wave.
Accompanying drawing explanation
The utility model is further illustrated below in conjunction with the drawings and specific embodiments:
Fig. 1 is a kind of structural representation of the present utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, electromagnetic interference signal shielding fireproof control cable, comprise sheath 1, bury at least three cores in sheath 1 underground, core comprises conductor 7, the insulating barrier 6 be arranged on outside conductor 7, insulating barrier 6 is the insulating barriers 6 be made up of Mica tape; Also be provided with a braid 4 between sheath and insulating barrier, braid is the wire netting woven by nickel wire, and the outer wall of braid is electroplated layer of metal layer, the outer wall of metal level is attached with water-repellent paint, and metal level is metal level made of aluminum.The utility model is shielded the electromagnetic wave produced in signals transmission by wire netting.The cost of nickel is low, electromagnetic shielding effective, adds water-repellent paint and metal level can be prevented to be subject to aqueous vapor and to get rusty.The utility model is by wire netting and metal level, and duplicate protection completely cuts off electromagnetic wave.The stable chemical performance of aluminium, the good low price of ductility can reduce cost.The high temperature resistant of cable is achieved by mica tape.Be provided with a resilient coating 3 between braid 4 and sheath 1, resilient coating 3 is the resilient coatings 3 be made up of mica; Be provided with a magnetized layer 2 between resilient coating 3 and sheath 1, magnetized layer 2 is the magnetized layers 2 be made up of iron oxide.The magnetic that magnetized layer 2 can produce in absorbing cable, prevents that magnetic is excessive to have an impact to conductor 7.Sheath 1 is the sheath 1 woven by refractory fibre.The utility model can resist the high temperature of more than 400 degrees Celsius by using the sheath 1 of refractory fibre braiding, and the fine price of the stability of refractory fibre is low, can useful life of cost-saving raising cable.
The thickness of braid 4 is 0.3mm ~ 0.5mm, and the thickness of metal level is 1/3rd of braid 4 thickness.The utility model can be cost-saving by defining thickness.Be provided with a lapping layer 5 between insulating barrier 6 and braid 4, lapping layer 5 forms by glass fiber tape is wrapped.The utility model, by using lapping layer 5, dual high temperature resistant doubling can protect core.The surface of lapping layer 5 is provided with the water accepting layer that one deck copper sulphate powder is made.Copper sulphate can the steam that producing after heated of absorbing cable.Also be embedded with at least two reinforcements in sheath 1, the outer wall of reinforcement is fixed with at least three disconnecting prevention structures, is provided with the through hole for installing reinforcement in sheath 1, and the inwall of through hole is provided with the groove matched with the outline of disconnecting prevention structure.The utility model, by being provided with disconnecting prevention structure, being convenient to realize reinforcement in sheath 1, being realized location, prevent the displacement that comes off.The outer wall of reinforcement is provided with through pressing the deformed region that cross-sectional deformation is flattened round, take deformed region as disconnecting prevention structure.Thus be convenient to processing, while saving production cost, play the effect of anticreep.Core comprises at least three kinds of cores in the power line core of optical fiber cable core, netting twine core, the video line core of transmission video signal, transmission current; The outer wall of optical fiber cable core, netting twine core and video line core is equipped with an electro-magnetic screen layer, and electro-magnetic screen layer is the electro-magnetic screen layer be made up of Copper Foil.The utility model can shield the electromagnetic wave produced in the process of the signal transmission between core and core by Copper Foil.The stable chemical performance of Copper Foil, cost is low.
Conductor 7 is provided with easy breakpoint, and the external diameter that conductor 7 is provided with easy breakpoint place is less than external diameter conductor 7 not being provided with easy breakpoint place; Conductor 7 is also provided with repair materials bag, repair materials bag is positioned at easy breakpoint placement, and repair materials comprises a welding material, an integument, in easy breakpoint placement, the radial direction of conductor 7 is provided with easy breakpoint successively outside interior, welding material, integument; During easy breakpoint fracture, welding material molten connects easy breakpoint.By arranging easy breakpoint on conductor 7, at easy breakpoint setup repair materials bag, after fracture, the resistance at easy breakpoint place strengthens, and the increasing because of resistance causes heating up, thus fusion weld material, commute breakpoint carries out connection reparation.An electronic tag is embedded with in sheath 1; electronic tag is along the axially equidistantly evenly arrangement of sheath 1, and the arranging distance of electronic tag is 5m ~ 15m, and electronic tag is provided with signal transmitting antenna; protective is arranged with, using sheath 1 as protective outside signal transmitting antenna.The utility model by being embedded with electronic tag in sheath 1; thus the collection contributed to sheath 1 information; in addition; the utility model is chosen for sheath 1 by the protective of the signal transmitting antenna by electronic tag; situation is launched by the signal of signal transmitting antenna; thus judge whether sheath 1 has fracture, or fire damage.At least three temperature sensors are embedded with in sheath 1, the monitoring surface of temperature sensor is towards the outer wall of sheath 1, temperature sensor is a radio temperature sensor, and temperature sensor is connected with microprocessor system wireless telecommunications, and microprocessor system connects a warning device; At least three temperature sensors are equidistantly arranged along sheath 1 central axial direction, and the arranging distance of adjacent temperature sensor is not less than 2 meters.The utility model by being embedded with temperature sensor in sheath 1, be convenient to the temperature of real-time monitoring temperature transducer present position, when the temperature anomaly monitored, be convenient to according to variations in temperature, judge whether fire, carried out early warning by warning device, thus improve the promptness of the artificial fire alarm of tradition, be convenient to change impaired cable main in time, ensure that it normally works.Be provided with a wireless communication module in temperature sensor, microprocessor system connects the wireless receiving module matched with wireless communication module; The transmission medium of wireless communication module is ultrasonic wave.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. electromagnetic interference signal shielding fireproof control cable, comprise sheath, it is characterized in that, bury at least three cores in described sheath underground, described core comprises conductor, the insulating barrier be arranged on outside conductor, described insulating barrier is the insulating barrier be made up of Mica tape;
A braid is also provided with between described sheath and described insulating barrier, described braid is the wire netting woven by nickel wire, the outer wall of described braid is electroplated layer of metal layer, the outer wall of described metal level is attached with water-repellent paint, and described metal level is metal level made of aluminum.
2. electromagnetic interference signal shielding fireproof control cable according to claim 1; it is characterized in that: in described sheath, be embedded with an electronic tag; described electronic tag is along the axially equidistantly evenly arrangement of sheath; the arranging distance of described electronic tag is 5m ~ 15m; described electronic tag is provided with signal transmitting antenna; protective is arranged with, using described sheath as described protective outside described signal transmitting antenna.
3. electromagnetic interference signal according to claim 1 shielding fireproof control cable, is characterized in that: described core comprises at least three kinds of cores in the power line core of optical fiber cable core, netting twine core, the video line core of transmission video signal, transmission current; The outer wall of described optical fiber cable core, netting twine core and video line core is equipped with an electro-magnetic screen layer, and described electro-magnetic screen layer is the electro-magnetic screen layer be made up of Copper Foil.
4. electromagnetic interference signal shielding fireproof control cable according to claim 1, it is characterized in that: the thickness of described braid is 0.3mm ~ 0.5mm, the thickness of described metal level is 1/3rd of described braid thickness.
5. electromagnetic interference signal shielding fireproof control cable according to claim 1, it is characterized in that: be provided with a lapping layer between described insulating barrier and described braid, described lapping layer forms by glass fiber tape is wrapped; The surface of described lapping layer is provided with the water accepting layer that one deck copper sulphate powder is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565541.9U CN204926840U (en) | 2015-07-30 | 2015-07-30 | Fire -resistant control cable of electromagnetic interference signal shielding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565541.9U CN204926840U (en) | 2015-07-30 | 2015-07-30 | Fire -resistant control cable of electromagnetic interference signal shielding |
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| CN204926840U true CN204926840U (en) | 2015-12-30 |
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| CN201520565541.9U Active CN204926840U (en) | 2015-07-30 | 2015-07-30 | Fire -resistant control cable of electromagnetic interference signal shielding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712530A (en) * | 2016-10-26 | 2017-05-24 | 上海申光菲德宝供电技术有限公司 | SVP frequency conversion shore power supply control system |
-
2015
- 2015-07-30 CN CN201520565541.9U patent/CN204926840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712530A (en) * | 2016-10-26 | 2017-05-24 | 上海申光菲德宝供电技术有限公司 | SVP frequency conversion shore power supply control system |
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| GR01 | Patent grant |