CN214410848U - Dampproofing fire prevention airport aid to navigation light optical cable - Google Patents
Dampproofing fire prevention airport aid to navigation light optical cable Download PDFInfo
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- CN214410848U CN214410848U CN202120556740.9U CN202120556740U CN214410848U CN 214410848 U CN214410848 U CN 214410848U CN 202120556740 U CN202120556740 U CN 202120556740U CN 214410848 U CN214410848 U CN 214410848U
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Abstract
The utility model relates to the technical field of cables, especially relate to a dampproofing fire prevention airport aid to navigation light optical cable, current aid to navigation light optical cable waterproof fire behavior is not good, a dampproofing fire prevention airport aid to navigation light optical cable, which comprises a conductor, the conductor is conductor shielding layer, insulating barrier, metallic shield, the inflation area that blocks water, comprehensive waterproof layer, compound fire resistive construction, enhancement layer and oversheath outward in proper order, comprehensive waterproof layer is including the aluminium-plastic composite strip of indulging the package and the crowded high density polyethylene who wraps, the cockscomb structure is personally submitted to the high density polyethylene outward appearance, compound fire resistive construction includes fire prevention mud and flame retardant coating, fire prevention mud is attached to the high density polyethylene skin of cockscomb structure, and waterproof fire resistive construction is showing and is promoting, has good development prospect in cable technical field.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a dampproofing fire prevention airport aid to navigation light optical cable.
Background
The stability of the cable of the airport navigation aid lamp as the airport runway navigation aid lamp and the cable matched with the airport navigation aid lamp is very important, once a fault occurs, the flight re-flight is caused slightly, and the airport is closed seriously.
The navigation light cable produced by the current standard has simple structure, and has the advantages of moisture resistance, water resistance, fire resistance, tensile strength of a wire core and rat and ant resistance.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defect of prior art, the utility model provides a dampproofing fire prevention airport aid to navigation light optical cable solves the current not good problem of the waterproof fire behavior of aid to navigation light cable.
The technical scheme is that the moistureproof and fireproof airport navigation aid light cable comprises a conductor, wherein a conductor shielding layer, an insulating shielding layer, a metal shielding layer, a water-blocking expansion belt, a comprehensive waterproof layer, a composite fireproof structure, a reinforcing layer and an outer sheath are sequentially arranged outside the conductor, the conductor is formed by twisting annealed copper wires, the water-blocking tape is added in the twisting process of the conductor to play a role of longitudinal water resistance, the water-blocking tape is wound outside the cable core and is provided with a comprehensive waterproof layer to play a good role of radial water resistance, and the water-blocking expansion tape can absorb water and rapidly expand after meeting moisture to form gel with a certain height and higher strength to realize longitudinal water resistance, the comprehensive waterproof layer comprises a longitudinally-wrapped aluminum-plastic composite belt and extruded high-density polyethylene, the outer surface of the high-density polyethylene is in a sawtooth shape, the composite fireproof structure comprises fireproof mud and a fireproof layer, wherein the fireproof mud is attached to the serrated high-density polyethylene outer layer.
Furthermore, the aluminum-plastic composite belt forms an external zigzag shape when being extruded by an extruder through an aluminum-plastic composite belt longitudinal wrapping machine and high-density polyethylene, and is formed at one time so as to facilitate the wrapping of the fireproof mud.
Furthermore, the conductor shielding layer, the insulating layer and the insulating shielding layer are formed by three-layer co-extrusion and one-time extrusion.
Further, the metal shield is formed by a copper tape shielded wrapping.
Furthermore, the fire-resistant layer is high silica cloth which has excellent heat-resistant characteristic and shock resistance, can be used in an environment of 1000 ℃ for a long time, has an instant heat-resistant temperature of 1400 ℃, and can play a good fire-resistant role.
Furthermore, the reinforcing layer is formed by weaving aramid yarns and has strong tensile capacity.
Furthermore, the outer sheath is made of polyethylene for preventing rats and ants, and an environment-friendly repellent is added into the polyethylene.
Furthermore, the fireproof mud is a mixture comprising magnesium hydroxide, aluminum hydroxide and sodium silicate, and the materials of the components are firstly uniformly mixed in proportion by a stirrer and then extruded by a grouter.
The utility model has the technical effects that 1, the fireproof function of the utility model is a composite structure of fireproof mud and high silica cloth, the high silica cloth has excellent heat resistance and shock resistance, can be used in an environment of 1000 ℃ for a long time, and the instant heat-resistant temperature can reach 1400 ℃, thereby playing a good fireproof role; 2. the middle conductor of the utility model adopts a water-blocking conductor to play a role of longitudinal waterproofing, the cable core is wrapped with a water-blocking expansion band and provided with a comprehensive waterproof layer, which can play a role of radial waterproofing, and the double water-blocking is superior to the waterproof layer outside the common cable in function; 3. the reinforcing layer in the utility model is reinforced by aramid yarn weaving, the cable is easy to break when being laid due to the small cross section of the cable conductor, and the tensile capacity of the cable can be improved by aramid yarn weaving reinforcement; 4. the utility model discloses the oversheath adopts protection against rodents, prevents the polyethylene of ant, adds the environment-friendly repellent in high density polyethylene, can play fine protection against rodents, prevents the ant effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the cable comprises a conductor, 2. a conductor shielding layer, 3. an insulating layer, 4. an insulating shielding layer, 5. a metal shielding layer, 6. a water-blocking expansion band, 7. an aluminum-plastic composite band, 8. high-density polyethylene, 9. fire clay, 10. a fire-resistant layer, 11. a reinforcing layer and 12. an outer sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1, the moistureproof and fireproof airport navigation aid light cable comprises a conductor 1, wherein a conductor shielding layer 2, an insulating layer 3, an insulating shielding layer 4, a metal shielding layer 5, a water blocking expansion band 6, a comprehensive waterproof layer, a composite fireproof structure, a reinforcing layer 11 and an outer sheath 12 are sequentially arranged outside the conductor 1, the conductor 1 is formed by twisting annealed copper wires, a water blocking band is added in the twisting process of the conductor to play a longitudinal waterproof role, a cable core is wrapped around the water blocking band and provided with the comprehensive waterproof layer to play a good radial waterproof role, the water blocking expansion band 6 can absorb water and rapidly expand after encountering water to form gel with a certain height and high strength to realize longitudinal water blocking, the comprehensive waterproof layer comprises a longitudinally wrapped aluminum-plastic composite band 7 and an extruded high-density polyethylene 8, the outer surface of the high-density polyethylene 8 is in a zigzag shape, the composite fireproof structure comprises fireproof mud 9 and a fireproof layer 10, the fireproofing mud 9 is attached to the outer layer of the serrated high-density polyethylene 8.
Example two: on the basis of embodiment one, conductor shielding layer 2, insulating layer 3 and insulating shield layer 4 are once crowded package through the three-layer crowded package of coextruding and are formed, metallic shield 5 is formed around the package by the copper strips shielding, compound area 7 of aluminium-plastic forms outside cockscomb structure, one shot forming when extruding by the extruder through compound area indulge chartered plane of aluminium-plastic, high density polyethylene 8 to be convenient for the cladding of fire prevention mud 9, flame retardant coating 10 is high silica cloth, and high silica cloth has outstanding heat-resisting property, and shock resistance can use under 1000 ℃ of environment for a long time, and heat-resisting temperature can reach 1400 ℃ in the twinkling of an eye, can play fine fire-resistant effect, enhancement layer 11 is woven by aramid yarn and is formed, and tensile strength is strong.
On the basis of the above embodiments, the outer sheath 12 is made of polyethylene for rat and termite prevention, an environment-friendly repellent is added to the polyethylene, the fire-proof mud 9 is a mixture containing magnesium hydroxide, aluminum hydroxide and sodium silicate, the components are uniformly mixed in proportion by a mixer, and then the mixture is extruded by a grouter.
The utility model has the technical effects that 1, the fireproof function of the utility model is a composite structure of fireproof mud and high silica cloth, the high silica cloth has excellent heat resistance and shock resistance, can be used in an environment of 1000 ℃ for a long time, and the instant heat-resistant temperature can reach 1400 ℃, thereby playing a good fireproof role; 2. the middle conductor of the utility model adopts a water-blocking conductor to play a role of longitudinal waterproofing, the cable core is wrapped with a water-blocking expansion band and provided with a comprehensive waterproof layer, which can play a role of radial waterproofing, and the double water-blocking is superior to the waterproof layer outside the common cable in function; 3. the reinforcing layer in the utility model is reinforced by aramid yarn weaving, the cable is easy to break when being laid due to the small cross section of the cable conductor, and the tensile capacity of the cable can be improved by aramid yarn weaving reinforcement; 4. the utility model discloses the oversheath adopts protection against rodents, prevents the polyethylene of ant, adds the environment-friendly repellent in high density polyethylene, can play fine protection against rodents, prevents the ant effect.
The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.
Claims (5)
1. The utility model provides a dampproofing fire prevention airport aid to navigation light optical cable, includes conductor (1), its characterized in that, stranded conductor (1) is conductor shielding layer (2), insulating layer (3), insulation shielding layer (4), metallic shield (5), the inflation area that blocks water (6), synthesizes waterproof layer, compound fire resistive construction, enhancement layer (11) and oversheath (12) outward in proper order, synthesize the waterproof layer including the aluminum-plastic composite strip (7) of indulging the package and crowded high density polyethylene (8) of package, high density polyethylene (8) outward appearance is the cockscomb structure, compound fire resistive construction includes fire prevention mud (9) and flame retardant coating (10), fire prevention mud (9) are attached to the high density polyethylene (8) outer of cockscomb structure.
2. The moisture-proof and fire-proof airport navigation aid light cable according to claim 1, wherein the conductor (1) is twisted by annealed copper wires and a water-blocking tape is added to the twisted annealed copper wires.
3. Moisture and fire resistant airport navigational light cable according to claim 1, characterized in that said fire resistant layer (10) is a high silica cloth.
4. Moisture and fire resistant airport navigation aid light cable according to claim 1 wherein the reinforcing layer (11) is formed of aramid yarn weave.
5. Moisture and fire resistant airport aid light cable according to claim 1 characterized in that said outer sheath (12) is made of polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120556740.9U CN214410848U (en) | 2021-03-18 | 2021-03-18 | Dampproofing fire prevention airport aid to navigation light optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120556740.9U CN214410848U (en) | 2021-03-18 | 2021-03-18 | Dampproofing fire prevention airport aid to navigation light optical cable |
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| CN214410848U true CN214410848U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120556740.9U Active CN214410848U (en) | 2021-03-18 | 2021-03-18 | Dampproofing fire prevention airport aid to navigation light optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115512885A (en) * | 2022-09-28 | 2022-12-23 | 周岩松 | Waterproof impact-resistant fireproof cable and preparation method thereof |
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2021
- 2021-03-18 CN CN202120556740.9U patent/CN214410848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115512885A (en) * | 2022-09-28 | 2022-12-23 | 周岩松 | Waterproof impact-resistant fireproof cable and preparation method thereof |
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