CN204740901U - Multicore aluminum alloy conductor power cable that prevents fires - Google Patents
Multicore aluminum alloy conductor power cable that prevents fires Download PDFInfo
- Publication number
- CN204740901U CN204740901U CN201520368005.XU CN201520368005U CN204740901U CN 204740901 U CN204740901 U CN 204740901U CN 201520368005 U CN201520368005 U CN 201520368005U CN 204740901 U CN204740901 U CN 204740901U
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- conductor
- cable
- sheath
- core
- aluminium alloy
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Abstract
The utility model relates to a cable field. A multicore aluminum alloy conductor power cable that prevents fires, 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, the conductor is the conductor that comprises aluminum alloy, the cable core is outward from the lining to being equipped with first band layer, the flame retardant coating that is used for tieing up the cable core, second band layer, sheath, the chain armor that is used for tieing up the flame retardant coating outward in proper order, the flame retardant coating is the flame retardant coating that comprises the metal hydrate, the sheath is the sheath of being made by pottery silicon rubber. The utility model discloses a conductor of cable is aluminum alloy, and, light in weight lower than the copper core cable cost more is favorable to installation, transportation and transport. The flame retardant coating comprises the metal hydrate, and the metal hydrate changes metal oxide and water into under flame, has reduced by the inside temperature of burning cable.
Description
Technical field
The utility model relates to field of cables, is specifically related to a kind of aluminium alloy power cable.
Background technology
In executive information systems, large-scale public place of entertainment, large-scale industrial and mineral, enterprise and underground works, often cable cluster laying, once breaking out of fire, flame will prolong combustion and spread to other departments and floor along cable place.Current most of fireproof cable adopts copper core conductor, and copper core cable cost is high and weight is large.
Utility model content
The utility model object is to be to provide a kind of multicore aluminium alloy conductor fire proof power cable, to solve at least one technical problem above-mentioned.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of multicore aluminium alloy conductor fire proof power 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;
Described conductor is the conductor be made up of aluminum alloy material;
Described cable core be provided with successively from the inside to the outside outward the first belting layer for tightening described cable core, fireprotection layer, for tightening the second belting layer of described fireprotection layer, described sheath, chain armour;
Described fireprotection layer is the fireprotection layer be made up of metal hydrate;
Described sheath is the sheath be made up of Ceramic silicon rubber.
The utility model is aluminum alloy material by the conductor of cable, lower compared with copper core cable cost, lightweight, is more conducive to installing, transporting and carrying.Fireprotection layer is made up of metal hydrate, 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.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.Be provided with chain armour in cable, saved cost, do not need crane span structure and poling.By being provided with mica lapping layer, improving fire-resistant effect, realizing multiple fire prevention.Cable does not produce harmful halogen gas, does not produce corrosive gas, and during burning, fever amount is few, not contaminated soil, plays environmental-protection function.
Described conductor is the conductor be made up of at least seven 8000 series alloys wires.
Described chain armour is the chain armour be made up of aluminium alloy.The chain armour that the utility model is made by adopting aluminium alloy, cost is low, and quality is light, is convenient to install.
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 first belting layer is the first belting layer be made up of glass fiber material.
Or described first belting layer is the first belting layer be made up of waterstop.
The outer wall of described first belting layer is coated with a waterproof coating be made up of waterproof powder.
Described second belting layer is the second belting layer be made up of glass fiber material.
Thus realize good insulating properties, thermal endurance, the corrosion resistance of the second belting layer.
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.Reduce the outside diameter of cable, cost-saving, be convenient to cable installation in pipe.
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.
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 belting layer.
Prevent the disturbed property of temperature sensor when carrying out signal transmission.
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, a kind of multicore aluminium alloy conductor fire proof power cable, comprise cable main, cable main comprises sheath 7, cable core is provided with in sheath 7, 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; Conductor 1 is the conductor 1 be made up of aluminum alloy material; Cable core be provided with successively from the inside to the outside outward the first belting layer 4 for tightening cable core, fireprotection layer 5, for tightening the second belting layer 6, sheath 7, the chain armour 8 of fireprotection layer 5; Fireprotection layer 5 is the fireprotection layers 5 be made up of metal hydrate; Sheath 7 is the sheaths 7 be made up of Ceramic silicon rubber.The utility model is aluminum alloy material by the conductor 1 of cable, lower compared with copper core cable cost, lightweight, is more conducive to installing, transporting and carrying.Fireprotection layer 5 is made up of metal hydrate, 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.Sheath 7 adopts Ceramic silicon rubber, and sheath 7 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.Be provided with chain armour 8 in cable, saved cost, do not need crane span structure and poling.Chain armour 8 is the chain armours 8 be made up of aluminium alloy.The chain armour 8 that the utility model is made by adopting aluminium alloy, cost is low, and quality is light, is convenient to install.By being provided with mica lapping layer 2, improving fire-resistant effect, realizing multiple fire prevention.
Conductor is the conductor be made up of at least seven 8000 series alloys wires.
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.
The outer wall of the first belting layer 4 is coated with a waterproof coating be made up of waterproof powder.Second belting layer 6 is second belting layers 6 be made up of glass fiber material.Thus realize good insulating properties, thermal endurance, the corrosion resistance of the second belting layer 6.
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.Reduce the outside diameter of cable, cost-saving, be convenient to cable installation in pipe.
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.
At least three temperature sensors are embedded with in sheath 7, the monitoring surface of temperature sensor is towards the outer wall of sheath 7, 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 7, 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 7 and the second belting layer 6.Prevent the disturbed property of temperature sensor when carrying out signal transmission.
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. a multicore aluminium alloy conductor fire proof power 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;
Described conductor is the conductor be made up of aluminum alloy material;
Described cable core be provided with successively from the inside to the outside outward the first belting layer for tightening described cable core, fireprotection layer, for tightening the second belting layer of described fireprotection layer, described sheath, chain armour;
Described fireprotection layer is the fireprotection layer be made up of metal hydrate;
Described sheath is the sheath be made up of Ceramic silicon rubber.
2. a kind of multicore aluminium alloy conductor fire proof power cable according to claim 1, is characterized in that: described chain armour is the chain armour be made up of aluminium alloy.
3. a kind of multicore aluminium alloy conductor fire proof power cable according to claim 1, is characterized in that: the insulating barrier that described insulating barrier adopts crosslinked polyethylene to make.
4. a kind of multicore aluminium alloy conductor fire proof power cable according to claim 1, is characterized in that: described second belting layer is the second belting layer be made up of glass fiber material.
5. a kind of multicore aluminium alloy conductor fire proof power cable according to claim 1, 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.
6. a kind of multicore aluminium alloy conductor fire proof power cable according to claim 1, 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 |
|---|---|---|---|
| CN201520368005.XU CN204740901U (en) | 2015-06-01 | 2015-06-01 | Multicore aluminum alloy conductor power cable that prevents fires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520368005.XU CN204740901U (en) | 2015-06-01 | 2015-06-01 | Multicore aluminum alloy conductor power cable that prevents fires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204740901U true CN204740901U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520368005.XU Expired - Fee Related CN204740901U (en) | 2015-06-01 | 2015-06-01 | Multicore aluminum alloy conductor power cable that prevents fires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204740901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103950A (en) * | 2017-06-29 | 2017-08-29 | 江苏华亚电缆有限公司 | A kind of environment-friendlymedium-voltage medium-voltage fireproof cable |
-
2015
- 2015-06-01 CN CN201520368005.XU patent/CN204740901U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103950A (en) * | 2017-06-29 | 2017-08-29 | 江苏华亚电缆有限公司 | A kind of environment-friendlymedium-voltage medium-voltage fireproof 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: 20151104 Termination date: 20190601 |