CN204792052U - High flexibility that blocks water mineral insulation fireproof cable - Google Patents
High flexibility that blocks water mineral insulation fireproof cable Download PDFInfo
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- CN204792052U CN204792052U CN201520368003.0U CN201520368003U CN204792052U CN 204792052 U CN204792052 U CN 204792052U CN 201520368003 U CN201520368003 U CN 201520368003U CN 204792052 U CN204792052 U CN 204792052U
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Abstract
The utility model relates to a cable field. A high flexibility that blocks water mineral insulation fireproof cable, includes the cable main part, and the cable main part includes the sheath, is equipped with the cable core in the sheath, is equipped with two at least sinle silks in the cable core, and the sinle silk includes the conductor, sets up the insulating layer outside the conductor, is equipped with a mica that comprises the mica tape between conductor and the insulating layer and winds the covering, still be equipped with a waterproof filling layer that comprises the metal hydrate in the cable core, waterproof filling layer is located between two at least sinle silks, the cable core peripheral hardware has the glass fiber layer that is used for tightening the cable core, has around the package outside the glass fiber layer and takes the first water blocking layer that constitutes by blocking water, and first water blocking layer has the second water blocking layer that comprises aluminum plastic tape around the package outward, and the second water blocking layer is equipped with the sheath outward, the sheath is the sheath of being made by pottery silicon rubber. The utility model discloses be equipped with double -deck water blocking layer, realize dual blocking water.
Description
Technical field
The utility model relates to field of cables, is specifically related to a kind of fireproof cable.
Background technology
Cable, under the use occasions such as skyscraper, oil, mine, metallurgy, boats and ships, power station, subway, tunnel and offshore wind farm, requires high to fireproofing of cable; These occasions also can produce a large amount of water to be existed, and cable long-play is in the environment of many water, and moisture is immersed in conductor and the insulation of major effect cable in cable, makes conductor indium, produces water tree after insulation water suction, and the cable that makes to be in operation punctures and damages.
The occasion such as wind-powered electricity generation at sea, cable is not only subject to pulling force or the thrust of draw, and produces the distorting stress of the bending stress of cable and the axis along cable, and easy damaged cable core, has a strong impact on result of use and the useful life of cable.
Utility model content
The utility model object is to be to provide one and blocks water high flexibility mineral insulated cable, to solve at least one technical problem above-mentioned.
To achieve these goals, the technical solution of the utility model is as follows:
One blocks water high flexibility mineral insulated cable, comprise cable main, described cable main comprises sheath, cable core is provided with in described sheath, it is characterized in that, be provided with at least two cores in described cable core, described core comprise conductor, the insulating barrier be arranged on outside conductor, be provided with a mica lapping layer be made up of mica tape between described conductor and described insulating barrier;
Also be provided with a waterproof packed layer be made up of metal hydrate in described cable core, described waterproof packed layer is between described at least two cores;
Described cable core peripheral hardware has the glass layer for tightening described cable core, the first water blocking layer be made up of waterstop is surrounded with outside described glass layer, be surrounded with the second water blocking layer be made up of aluminum plastic belt outside described first water blocking layer, described second water blocking layer peripheral hardware has described sheath;
Described sheath is the sheath be made up of Ceramic silicon rubber.
The utility model is provided with double-deck water blocking layer, realizes double water-resistance, and ground floor water blocking layer meets undergoes rapid expansion after water, stops water further longitudinally deeply, and second layer water blocking layer can rise and enough play anti-sealing radial direction and enter cable inside, the electrical insulation properties of guarantee cable.By being provided with the waterproof packed layer be made up of metal hydrate in cable core, metal hydrate changes into metal oxide and water under flame, reduce the internal temperature (conductor temperature less than 500 DEG C) of burned cable, simultaneously remnant densification be wrapped in insulated wire cores, make it cannot participate in the reaction of hot oxygen.By being provided with mica lapping layer, improving fire-resistant effect, realizing multiple fire prevention.Sheath adopts Ceramic silicon rubber, and sheath stiff shell can play the effect of well fire-retardant, fire-resistant, fire prevention, fire insulation in case of fire, reaches as high as 3000 DEG C, effective guarantee circuit unimpeded.
The lapping direction of described first water blocking layer is contrary with the lapping direction of described second water blocking layer.
Thus raising waterproof effect.
Described conductor is by the stranded conductor of copper wire.
Guarantee that cable has good tensile property, and soft, resistance toly to turn round.
The insulating barrier that described insulating barrier adopts crosslinked polyethylene to make.
The insulating barrier that crosslinked polyethylene is made have heat-resisting good, load capacity is strong, non-fusible, resistance to chemical attack, mechanical strength height wait premium properties.
Described insulating barrier is the insulating barrier be made up of Ceramic silicon rubber.
Thus play well fire-retardant, fire-resistant, fire prevention, fire insulation effect.
The cross section of described conductor is circular.
The cross section of described conductor is one fan-shaped, and described fan-shaped central angle equals the number of 360 °/core.
Realize the compactness of cable core internal structure.
Described metal hydrate can be aluminium hydroxide or magnesium hydroxide.
Described metal hydrate also can be the metal hydrate of aluminium hydroxide, magnesium hydroxide and binding agent composition.
One is also provided with for improving the rope body of bearing capacity in described cable main, described rope body forms by least three steel wires are stranded, described rope body is positioned at described cable core, and described core is stranded in the periphery of described rope body, the described central axis of rope body and the central axes of cable main;
The direction of lay of described rope body is contrary with the direction of lay of described core.
Thus play anti-fracture effect.
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;
Described at least three temperature sensors are equidistantly arranged along the central axial direction of described cable main, 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.
A conductive fiber layer be made up of conductive fiber is provided with between described sheath and described second water blocking layer.
Prevent the disturbed property of temperature sensor when carrying out signal transmission.
Described insulating barrier is provided with humidity sensor, and described humidity sensor is a wireless humidity sensor, and the detection faces of described humidity sensor flushes with the outer wall of described insulating barrier;
Described humidity sensor connects described microprocessor system.
Be convenient to the monitoring realizing water proofing property, when Water deep leaching enters in cable core, when contacting with the outer wall of insulating barrier, be convenient to by warning device, carry out early warning, timing is changed.
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, one blocks water high flexibility mineral insulated cable, comprise cable main, cable main comprises sheath 8, cable core is provided with in sheath 8, be provided with at least two cores in cable core, core comprise conductor 1, the insulating barrier 3 be arranged on outside conductor 1, be provided with a mica lapping layer 2 be made up of mica tape between conductor 1 and insulating barrier 3; Also be provided with a waterproof packed layer 4 be made up of metal hydrate in cable core, waterproof packed layer 4 is between at least two cores; Cable core peripheral hardware has the glass layer 5 for tightening cable core, is surrounded with and is provided with sheath 8 by being surrounded with outside the first water blocking layer 6, first water blocking layer 6 that waterstop is formed by outside the second water blocking layer 7, second water blocking layer 7 that aluminum plastic belt is formed outside glass layer 5; Sheath 8 is the sheaths 8 be made up of Ceramic silicon rubber.The utility model is provided with double-deck water blocking layer, realizes double water-resistance, and ground floor water blocking layer meets undergoes rapid expansion after water, stops water further longitudinally deeply, and second layer water blocking layer can rise and enough play anti-sealing radial direction and enter cable inside, the electrical insulation properties of guarantee cable.By being provided with the waterproof packed layer 4 be made up of metal hydrate in cable core, metal hydrate changes into metal oxide and water under flame, reduce the internal temperature (conductor 1 temperature less than 500 DEG C) of burned cable, simultaneously remnant densification be wrapped in insulated wire cores, make it cannot participate in the reaction of hot oxygen.By being provided with mica lapping layer 2, improving fire-resistant effect, realizing multiple fire prevention.Sheath 8 adopts Ceramic silicon rubber, and sheath 8 stiff shell can play the effect of well fire-retardant, fire-resistant, fire prevention, fire insulation in case of fire, reaches as high as 3000 DEG C, effective guarantee circuit unimpeded.
The lapping direction of the first water blocking layer 6 is contrary with the lapping direction of the second water blocking layer 7.Thus raising waterproof effect.
Conductor 1 is by the stranded conductor 1 of copper wire.Guarantee that cable has good tensile property, and soft, resistance toly to turn round.The insulating barrier 3 that insulating barrier 3 adopts crosslinked polyethylene to make.The insulating barrier 3 that crosslinked polyethylene is made have heat-resisting good, load capacity is strong, non-fusible, resistance to chemical attack, mechanical strength height wait premium properties.Insulating barrier 3 is the insulating barriers 3 be made up of Ceramic silicon rubber.Thus play well fire-retardant, fire-resistant, fire prevention, fire insulation effect.The cross section of conductor 1 is circular.The cross section of conductor 1 is one fan-shaped, and fan-shaped central angle equals the number of 360 °/core.Realize the compactness of cable core internal structure.
Metal hydrate can be aluminium hydroxide or magnesium hydroxide.Metal hydrate also can be the metal hydrate of aluminium hydroxide, magnesium hydroxide and binding agent composition.
Also be provided with one in cable main for improving the rope body of bearing capacity, rope body forms by least three steel wires are stranded, and rope body is positioned at cable core, the rope central axis of body and the central axes of cable main; Core is stranded in the periphery of rope body; The direction of lay of rope body is contrary with the direction of lay of core.Thus play anti-fracture effect.
At least three temperature sensors are embedded with in sheath 8, the monitoring surface of temperature sensor is towards the outer wall of sheath 8, 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 the central axial direction of cable main, 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 8, 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.
A conductive fiber layer be made up of conductive fiber is provided with between sheath 8 and the second water blocking layer 7.Prevent the disturbed property of temperature sensor when carrying out signal transmission.
Insulating barrier 3 is provided with humidity sensor, and humidity sensor is a wireless humidity sensor, and the detection faces of humidity sensor flushes with the outer wall of insulating barrier 3; Humidity sensor connects microprocessor system.Be convenient to the monitoring realizing water proofing property, when Water deep leaching enters in cable core, when contacting with the outer wall of insulating barrier 3, be convenient to by warning device, carry out early warning, timing is changed.
Conductor is provided with easy breakpoint, and the external diameter that conductor is provided with easy breakpoint place is less than external diameter conductor not being provided with easy breakpoint place; Cable main 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 cable main 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 in traditional cable main body, 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.Welding material is scolding tin particle.
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 (6)
1. the high flexibility mineral insulated cable that blocks water, comprise cable main, described cable main comprises sheath, cable core is provided with in described sheath, it is characterized in that, be provided with at least two cores in described cable core, described core comprise conductor, the insulating barrier be arranged on outside conductor, be provided with a mica lapping layer be made up of mica tape between described conductor and described insulating barrier;
Also be provided with a waterproof packed layer be made up of metal hydrate in described cable core, described waterproof packed layer is between described at least two cores;
Described cable core peripheral hardware has the glass layer for tightening described cable core, the first water blocking layer be made up of waterstop is surrounded with outside described glass layer, be surrounded with the second water blocking layer be made up of aluminum plastic belt outside described first water blocking layer, described second water blocking layer peripheral hardware has described sheath;
Described sheath is the sheath be made up of Ceramic silicon rubber.
2. one according to claim 1 blocks water high flexibility mineral insulated cable, it is characterized in that: the lapping direction of described first water blocking layer is contrary with the lapping direction of described second water blocking layer.
3. one according to claim 1 blocks water high flexibility mineral insulated cable, it is characterized in that: described conductor is by the stranded conductor of copper wire.
4. one according to claim 1 blocks water high flexibility mineral insulated cable, it is characterized in that: the cross section of described conductor is one fan-shaped, and described fan-shaped central angle equals the number of 360 °/core.
5. one according to claim 1 blocks water high flexibility mineral insulated cable, it is characterized in that: be also provided with one in described cable main for improving the rope body of bearing capacity, described rope body forms by least three steel wires are stranded, described rope body is positioned at described cable core, described core is stranded in the periphery of described rope body, the described central axis of rope body and the central axes of cable main;
The direction of lay of described rope body is contrary with the direction of lay of described core.
6. one according to claim 1 blocks water high flexibility mineral insulated cable, it is characterized in that: in described sheath, be embedded with at least three temperature sensors, 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;
Described at least three temperature sensors are equidistantly arranged along the central axial direction of described cable main, and the arranging distance of adjacent described temperature sensor is not less than 2 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368003.0U CN204792052U (en) | 2015-06-01 | 2015-06-01 | High flexibility that blocks water mineral insulation fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368003.0U CN204792052U (en) | 2015-06-01 | 2015-06-01 | High flexibility that blocks water mineral insulation fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204792052U true CN204792052U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520368003.0U Expired - Fee Related CN204792052U (en) | 2015-06-01 | 2015-06-01 | High flexibility that blocks water mineral insulation fireproof cable |
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| CN (1) | CN204792052U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356117A (en) * | 2016-07-01 | 2017-01-25 | 上海谦恒电气有限公司 | Fireproof, waterproof and bend-resistant control cable |
| CN106971775A (en) * | 2017-04-18 | 2017-07-21 | 安徽华宝电缆有限责任公司 | High ferro rare earth aluminium alloy fireproof alarming cable |
| CN107403663A (en) * | 2017-07-20 | 2017-11-28 | 安徽华宝电缆有限责任公司 | High ferro rare earth aluminium alloy fireproof alarming cable |
-
2015
- 2015-06-01 CN CN201520368003.0U patent/CN204792052U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356117A (en) * | 2016-07-01 | 2017-01-25 | 上海谦恒电气有限公司 | Fireproof, waterproof and bend-resistant control cable |
| CN106356117B (en) * | 2016-07-01 | 2018-05-11 | 上海谦恒电气有限公司 | Fire resisting waterproof resist bending controls cable |
| CN106971775A (en) * | 2017-04-18 | 2017-07-21 | 安徽华宝电缆有限责任公司 | High ferro rare earth aluminium alloy fireproof alarming cable |
| CN107403663A (en) * | 2017-07-20 | 2017-11-28 | 安徽华宝电缆有限责任公司 | High ferro rare earth aluminium alloy fireproof alarming cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190601 |