CN211980267U - Flame-retardant semi-steel cable - Google Patents
Flame-retardant semi-steel cable Download PDFInfo
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- CN211980267U CN211980267U CN201922197380.3U CN201922197380U CN211980267U CN 211980267 U CN211980267 U CN 211980267U CN 201922197380 U CN201922197380 U CN 201922197380U CN 211980267 U CN211980267 U CN 211980267U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a fire-retardant type semisteel cable, concretely relates to cable technical field, including a plurality of inner cores, the inner core outside is equipped with fire-retardant mechanism and puts out a fire the mechanism, fire-retardant mechanism includes a plurality of insulating layers, the outside fixed cover of insulating layer has the internal shield layer, the outside fixed cover of internal shield layer has the external shield layer, the outside fixed cover of external shield layer has annealing copper tubing, and is a plurality of be equipped with the packing resin between the annealing copper tubing, the outside fixed cover of packing resin has dry layer, the dry layer outside is equipped with the insulating layer, it includes the cavity to put out a fire the mechanism, the inside fire extinguishing agent that is equipped with of cavity. The utility model discloses a set up reflection of light microprism at the cable surface and make its high temperature that can avoid sunshine to penetrate production directly, effectively avoid the emergence of conflagration to set up multilayer back-fire relief material and the material that can put out a fire inside the cable, make its effect that can effectively prevent fires, put out a fire when the conflagration takes place, thereby the protection inner core does not receive destruction.
Description
Technical Field
The embodiment of the utility model provides a relate to cable manufacturing technical field, concretely relates to fire-retardant type semisteel cable.
Background
Cables are generally rope-like cables made by stranding several wires or groups of at least two wires, each group of wires being insulated from each other and usually twisted around a center, covered with a highly insulating covering throughout, and erected in the air or installed underground, underwater for telecommunication or power transmission.
Wherein, erect in the air or expose the cable on ground and can receive sunshine direct injection in hot summer, can produce high temperature, cause the conflagration easily, and the protective layer of traditional cable conductor outside parcel is mainly made by rubber or ethylene material, though can play fire prevention fire-retardant effect but the effect is relatively poor, and does not set up the material that can put out a fire in traditional cable, so its also can more easily burn when the conflagration takes place.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a fire-retardant type semisteel cable makes its high temperature that can avoid sunshine to penetrate production directly through setting up reflection of light microprism at the cable surface, effectively avoid the emergence of conflagration, and set up multilayer back-fire relief material and the material that can put out a fire in cable inside, make it can effectively prevent fires when the conflagration takes place, the effect of putting out a fire, thereby the protection inner core does not receive destruction, with solve among the prior art because traditional cable protection layer material is single, simple structure just does not have the relatively poor problem of fire prevention flame retardant property that the fire extinguishing material leads to.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the flame-retardant semi-steel cable comprises a plurality of inner cores, wherein a flame-retardant mechanism and a fire-extinguishing mechanism are arranged outside the inner cores, and the fire-extinguishing mechanism is arranged inside the flame-retardant mechanism;
the flame-retardant mechanism comprises a plurality of insulating layers, the insulating layers are fixedly sleeved outside the inner core, the insulating layers are fixedly sleeved with inner shielding layers, the outer shielding layers are fixedly sleeved with outer shielding layers, annealing copper tubes are fixedly sleeved outside the outer shielding layers, filling resin is arranged among the annealing copper tubes, the filling resin is fixedly sleeved outside the drying layers, heat insulation layers are arranged outside the drying layers, a first adhesive layer is arranged between the heat insulation layers and the drying layers, the heat insulation layers and the drying layers are adhered through the first adhesive layer, a sand layer is arranged outside the heat insulation layers, a first protective layer is sleeved outside the sand layer, a second protective layer is arranged outside the first protective layer, a metal reflective film is arranged outside the second protective layer, a second adhesive layer is arranged between the metal reflective film and the second protective layer, and the second protective layer and the metal reflective film are adhered through the second adhesive layer, a plurality of microprisms are fixedly arranged outside the metal reflective film, and transparent resin is arranged among the microprisms;
the fire extinguishing mechanism comprises a cavity, the cavity is arranged between the second protective layer and the first protective layer, the cavity is adhered inside the second protective layer, and a fire extinguishing agent is arranged inside the cavity.
Further, the inner shielding layer is made of a silver-plated flat copper strip.
Further, the outer shielding layer is made of silver-plated round wires.
Further, the insulating layer is made of polytetrafluoroethylene.
Further, the first protective layer and the second protective layer are both made of fluoroplastic.
Further, the thermal insulation layer is made of asbestos.
Further, the cavity is coated with fireproof paint on the outside.
The embodiment of the utility model provides a have following advantage:
1. the utility model discloses a surface layer sets up a plurality of microprisms and reflects the sunshine of penetrating directly, and the utility model discloses inside first sheath and the second sheath of setting up, still set up insulating layer and sand bed in second sheath inside, right the utility model discloses carry out multilayer protection, compare with prior art, effectually avoided the conflagration that produces by the sunshine penetrates directly, multilayer protection makes the utility model discloses a fire-retardant, fire behavior is better to can provide better protection for the inner core;
2. the utility model discloses a set up a plurality of cavitys between first sheath and second sheath to at the inside fire extinguishing agent that fills of cavity, make it be in the utility model discloses can put out flame when receiving the damage because of the burning, compare with prior art, effectually prevent the utility model discloses self further burning damages, effectual protection the utility model discloses the inner core.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a schematic structural view of the inner shield layer and the outer shield layer provided by the present invention;
fig. 3 is a schematic view of a cavity structure provided by the present invention;
fig. 4 is an enlarged view of a in fig. 1 provided by the present invention;
fig. 5 is an enlarged view of B in fig. 1 according to the present invention.
In the figure: the fire extinguishing coating comprises an inner core 1, an insulating layer 2, an inner shielding layer 3, an outer shielding layer 4, an annealing copper tube 5, filling resin 6, a drying layer 7, a first glue layer 8, a heat insulation layer 9, a sand layer 10, a first protective layer 11, a second protective layer 12, a cavity 13, a fire extinguishing agent 14, a second glue layer 15, a metal reflective film 16, a microprism 17 and transparent resin 18.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached figures 1-5 of the specification, the flame-retardant semi-steel cable of the embodiment comprises a plurality of inner cores 1, wherein a flame-retardant mechanism and a fire-extinguishing mechanism are arranged outside the inner cores 1, and the fire-extinguishing mechanism is arranged inside the flame-retardant mechanism;
the flame-retardant mechanism comprises a plurality of insulating layers 2, the insulating layers 2 are fixedly sleeved outside an inner core 1, the insulating layers 2 are fixedly sleeved outside an inner shielding layer 3, the inner shielding layer 3 is fixedly sleeved outside an outer shielding layer 4, the outer shielding layer 4 is fixedly sleeved outside an annealing red copper tube 5, a filling resin 6 is arranged between the annealing red copper tubes 5, the filling resin 6 is fixedly sleeved outside a drying layer 7, a heat insulation layer 9 is arranged outside the drying layer 7, a first glue layer 8 is arranged between the heat insulation layer 9 and the drying layer 7, the heat insulation layer 9 is adhered to the drying layer 7 through the first glue layer 8, a sand layer 10 is arranged outside the heat insulation layer 9, a first protective layer 11 is sleeved outside the sand layer 10, a second protective layer 12 is arranged outside the first protective layer 11, a metal reflective film 16 is arranged outside the second protective layer 12, and a second glue layer 15 is arranged between the metal reflective film 16 and the second protective layer 12, the second protective layer 12 is adhered to the metal reflective film 16 through a second adhesive layer 15, a plurality of microprisms 17 are fixedly arranged outside the metal reflective film 16, and transparent resin 18 is arranged among the microprisms 17;
the fire extinguishing mechanism comprises a cavity 13, wherein the cavity 13 is arranged between a second protective layer 12 and a first protective layer 11, the cavity 13 is adhered inside the second protective layer 12, and a fire extinguishing agent 14 is arranged inside the cavity 13.
Further, the inner shielding layer 3 is made of a silver-plated flat copper strip, so that signals can be shielded conveniently.
Further, the outer shield layer 4 is made of a silver-plated round wire, which facilitates prevention of signal loss.
Further, the insulating layer 2 is made of polytetrafluoroethylene, which is advantageous for preventing electric leakage.
Further, first sheath 11 and second sheath 12 are all made by fluoroplastics, are convenient for fire-retardant, fire prevention, protection the utility model discloses.
Further, the thermal insulation layer 9 is made of asbestos, which is beneficial for insulating heat.
Further, cavity 13 outside scribbles fire protection coating, is convenient for prevent fires, fire-retardant, protection the utility model discloses.
The implementation scenario is specifically as follows: when the utility model is laid on the ground, the sunlight irradiates the microprism 17 through the transparent resin 18, and then irradiates the transparent resin 18 through the microprism 17, the transparent resin 18 reflects the sunlight, when a fire disaster occurs, the microprism 17 inside the transparent resin 18 is mainly made of quartz and has no flammability, which can preliminarily prevent the burning of the utility model, when the fire disaster continues burning, the transparent resin 18 starts burning, when the temperature is higher, the microprism 17 falls off from the surface of the metal reflective film 16, the second protective layer 12 and the first protective layer 11 inside the metal reflective film 16 are mainly made of fluoroplastic, which has stronger flame retardant performance, which can further prevent the burning of the utility model, the first protective layer 11 and the second protective layer 12 are internally provided with a plurality of cavities 13, when the second protective layer 12 is destroyed, the fire extinguishing agent 14 inside the cavities 13 can contact with the flame, the fire extinguishing agent 14 can put out the contacted flame and further prevent the spread of the fire, the sand layer 10 is arranged inside the first protective layer 11, the sand layer 10 has no flammability, the flame can be prevented from continuously spreading to the inside of the utility model after damaging the first protective layer 11, the heat insulation layer 9 inside the sand layer 10 can isolate the temperature and prevent the high temperature caused by the fire from damaging the utility model, the drying layer 7 inside the heat insulation layer 9 can absorb the surrounding moisture to ensure the drying inside the utility model, thereby effectively avoiding the possibility that the utility model breaks down due to the damp when working for a long time under the ground, so as to ensure the smooth working of the utility model, the filling resin 6 inside the drying layer 7 can fix different inner cores 1 together, the insulating layer 2 outside the inner core 1 can effectively prevent the electric leakage, and the inner shielding layer 3 outside the insulating layer 2 is woven on the surface of the insulating layer 2, and outer shielding layer 4 then weaves in the outside of inner shield layer 3, and inner shield layer 3 and outer shielding layer 4 can improve the transfer rate of signal in the inner core 1 and the loss that can effectual reduction signal, and outer shielding layer 4 outside annealing copper tubing 5 not only can prevent to burn can also prevent damp, the effectual inner core 1 that has protected, thereby guaranteed the utility model discloses a smooth work, this embodiment has specifically solved tradition among the prior art the utility model discloses thereby protective layer fire resistance flame retardant property is relatively poor and do not have fire extinguishing material can not be effectual right the utility model provides a problem of protection.
The working principle is as follows:
referring to the attached drawings 1-5 of the specification, when the utility model is laid on the ground, the sunlight irradiates the microprism 17 through the transparent resin 18, the sunlight irradiates the transparent resin 18 through the microprism 17 again, the transparent resin 18 reflects the sunlight, when a fire disaster occurs, the microprism 17 inside the transparent resin 18 is mainly made of quartz and has no flammability, the burning of the utility model can be preliminarily prevented, when the transparent resin 18 starts burning, and the temperature is higher, the microprism 17 falls off from the surface of the metal reflective film 16, the second protective layer 12 and the first protective layer 11 inside the metal reflective film 16 prevent the burning of the utility model, the cavity 13 inside the first protective layer 11 and the second protective layer 12 can spray the fire extinguishing agent 14 to extinguish the fire, the sand layer 10 inside the first protective layer 11 has no flammability, the thermal insulation layer 9 inside the sand layer 10 can isolate the temperature, the inside dry layer 7 of insulating layer 9 is right the utility model discloses it is dry that absorbs water that inside, 1 outside insulating layer 2 of inner core can effectually prevent the electric leakage, and the surface at insulating layer 2 is woven on 2 outside internal shield layers of insulating layer 3, and external shield layer 4 then weaves the outside at internal shield layer 3, and the outside annealing copper tubing 5 of external shield layer 4 not only can prevent the burning and can also prevent damp.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a fire-retardant type semisteel cable, includes a plurality of inner cores (1), its characterized in that: a flame-retardant mechanism and a fire-extinguishing mechanism are arranged outside the inner core (1), and the fire-extinguishing mechanism is arranged inside the flame-retardant mechanism;
the flame-retardant mechanism comprises a plurality of insulating layers (2), the insulating layers (2) are fixedly sleeved outside an inner core (1), the insulating layers (2) are fixedly sleeved with inner shielding layers (3), the inner shielding layers (3) are fixedly sleeved with outer shielding layers (4), the outer shielding layers (4) are fixedly sleeved with annealing copper tubes (5), a plurality of annealing copper tubes (5) are provided with filling resins (6), the filling resins (6) are fixedly sleeved with drying layers (7), the drying layers (7) are externally provided with heat insulating layers (9), a first adhesive layer (8) is arranged between the heat insulating layers (9) and the drying layers (7), the heat insulating layers (9) and the drying layers (7) are adhered to each other through the first adhesive layer (8), the heat insulating layers (9) are externally provided with sand layers (10), and the sand layers (10) are externally provided with first protective layers (11), a second protective layer (12) is arranged outside the first protective layer (11), a metal reflective film (16) is arranged outside the second protective layer (12), a second adhesive layer (15) is arranged between the metal reflective film (16) and the second protective layer (12), the second protective layer (12) and the metal reflective film (16) are adhered through the second adhesive layer (15), a plurality of micro prisms (17) are fixedly arranged outside the metal reflective film (16), and transparent resin (18) is arranged among the micro prisms (17);
the fire extinguishing mechanism comprises a cavity (13), wherein the cavity (13) is arranged between a second protective layer (12) and a first protective layer (11), the cavity (13) is adhered to the inside of the second protective layer (12), and a fire extinguishing agent (14) is arranged inside the cavity (13).
2. The flame-retardant semi-steel cable according to claim 1, characterized in that: the inner shielding layer (3) is made of a silver-plated flat copper strip.
3. The flame-retardant semi-steel cable according to claim 1, characterized in that: the outer shielding layer (4) is made of silver-plated round wires.
4. The flame-retardant semi-steel cable according to claim 1, characterized in that: the insulating layer (2) is made of polytetrafluoroethylene.
5. The flame-retardant semi-steel cable according to claim 1, characterized in that: the first protective layer (11) and the second protective layer (12) are both made of fluoroplastic.
6. The flame-retardant semi-steel cable according to claim 1, characterized in that: the heat insulation layer (9) is made of asbestos.
7. The flame-retardant semi-steel cable according to claim 1, characterized in that: the cavity (13) is coated with fireproof paint on the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197380.3U CN211980267U (en) | 2019-12-10 | 2019-12-10 | Flame-retardant semi-steel cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197380.3U CN211980267U (en) | 2019-12-10 | 2019-12-10 | Flame-retardant semi-steel cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211980267U true CN211980267U (en) | 2020-11-20 |
Family
ID=73378476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922197380.3U Expired - Fee Related CN211980267U (en) | 2019-12-10 | 2019-12-10 | Flame-retardant semi-steel cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211980267U (en) |
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2019
- 2019-12-10 CN CN201922197380.3U patent/CN211980267U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 Termination date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |