CN109817380B - Super gentle fireproof cable - Google Patents
Super gentle fireproof cable Download PDFInfo
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- CN109817380B CN109817380B CN201910077980.8A CN201910077980A CN109817380B CN 109817380 B CN109817380 B CN 109817380B CN 201910077980 A CN201910077980 A CN 201910077980A CN 109817380 B CN109817380 B CN 109817380B
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses an ultra-flexible fireproof cable which comprises a glass fiber tape layer, a wire core unit, a ceramic tape layer, a blocking component and an inflaming retarding outer sheath, wherein a first electromagnet is fixedly connected with the glass fiber tape layer and is positioned in the circumferential direction of the outer wall of the glass fiber tape layer, a second electromagnet is fixedly connected with the ceramic tape layer and is arranged opposite to the first electromagnet, a return spring is fixedly connected with the first electromagnet and the second electromagnet and is positioned between the first electromagnet and the second electromagnet, an emergency wire core is electrically connected with the second electromagnet and is positioned in the inflaming retarding outer sheath, when a fire disaster happens, the emergency wire core is burnt off, the second electromagnet is powered off, the return spring extends, the distance between the wire core unit and the inflaming retarding outer sheath is increased, and the burning speed is reduced, the normal power supply of the wire core unit is ensured, and the escape probability of personnel is improved.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to an ultra-flexible fireproof cable.
Background
With the rapid development of national economy and the continuous improvement of the living standard of people, the electricity consumption of society is greatly increased. The use of various devices is increased sharply, and the electric fire accidents are also increased sharply. According to statistics, the number of fires in China is about ten million, and the direct property loss is ten billion yuan. The fire caused by short circuit of electric wire and cable, overload, failure of electrical equipment and other electrical reasons accounts for about 30% of the total number, and the occurrence frequency and loss of the electrical fire are at the head of various fires. In an electrical fire, the fire caused by the electric wire and cable is about half. Therefore, people pay more and more attention to the problems of flame retardance and fire safety of the ultra-flexible fireproof cable, and the requirements on flame retardance and fire resistance of the ultra-flexible fireproof cable are higher and higher.
The existing super-soft fireproof cable is high in flexibility and strong in fireproof effect, generally, a wire core and an insulating material are arranged inside the cable, a protective layer material is arranged outside the cable, but the distance between the inner wire core, the insulating material and the protective layer material is too close, the cable can be burnt, once a fire disaster happens, the cable core can be quickly burnt to the inner wire core, the large-area equipment is powered off, and the escape difficulty of personnel is increased if an escape lighting lamp is used.
Disclosure of Invention
The invention provides an ultra-flexible fireproof cable, and aims to solve the problems that an inner wire core of an existing cable is close to an external flame-retardant substance, the burning speed is high, large-area power failure is easy, and the escape difficulty of personnel is increased.
In order to achieve the purpose, the invention provides an ultra-flexible fireproof cable which comprises a glass fiber belt layer, a plurality of wire core units, a ceramic belt layer, blocking assemblies and a flame-retardant outer sheath, wherein the glass fiber belt layer is of a circular tube structure, the wire core units are in a plurality of numbers, the wire core units are positioned in the glass fiber belt layer, the ceramic belt layer wraps the glass fiber belt layer, a containing cavity is formed between the glass fiber belt layer and the ceramic belt layer, fire extinguishing gas is filled in the containing cavity, the blocking assemblies are in a plurality of numbers, the blocking assemblies are respectively arranged in the circumferential direction of the outer wall of the glass fiber belt layer and are arranged at equal intervals along the horizontal extending direction of the ceramic belt layer and are positioned in the containing cavity, and the flame-retardant outer sheath wraps the ceramic belt layer;
the separation assembly comprises a first electromagnet, a second electromagnet, a return spring and an emergency wire core, the first electromagnet is fixedly connected with the glass fiber tape layer and is located in the circumferential direction of the outer wall of the glass fiber tape layer, the second electromagnet is fixedly connected with the ceramic tape layer and is located in the circumferential direction of the inner wall of the ceramic tape layer and is arranged opposite to the first electromagnet, the return spring is fixedly connected with the first electromagnet and is located between the first electromagnet and the second electromagnet, and the emergency wire core is electrically connected with the second electromagnet and is located in the flame-retardant outer sheath.
The ultra-soft fireproof cable further comprises flame-retardant rubber, wherein the flame-retardant rubber is located in the glass fiber tape layer and filled among the wire core units.
Wherein the maximum extension distance of the return spring is equal to the maximum compression distance of the flame retardant rubber.
The ultra-flexible fireproof cable further comprises an inflation tube, wherein the inflation tube penetrates through the flame-retardant outer sheath and the ceramic tape layer and is positioned in the accommodating cavity.
The ultra-flexible fireproof cable further comprises an alarm, wherein the alarm is fixedly connected with the second electromagnet and is positioned between the first electromagnet and the second electromagnet.
Wherein a maximum compression distance of the return spring is equal to a maximum length of the alarm.
The ultra-flexible fireproof cable further comprises a sensor, wherein the sensor is arranged on the alarm and is positioned close to one side of the first electromagnet.
The cable core unit comprises a conductor, a flame-retardant layer, a waterproof layer and an insulating layer, wherein the flame-retardant layer wraps the conductor, the waterproof layer wraps the flame-retardant layer, and the insulating layer wraps the waterproof layer.
The flame-retardant outer sheath comprises an oxygen isolation layer and a high-temperature-resistant layer, the ceramic tape layer is wrapped by the oxygen isolation layer, and the oxygen isolation layer is wrapped by the high-temperature-resistant layer.
The flame-retardant outer sheath further comprises a shielding layer, and the shielding layer wraps the high-temperature-resistant layer.
The super-flexible fireproof cable is fixedly connected with the glass fiber belt layer through the first electromagnet and is positioned in the circumferential direction of the outer wall of the glass fiber belt layer, the second electromagnet is fixedly connected with the ceramic belt layer and is positioned in the circumferential direction of the inner wall of the ceramic belt layer and is arranged opposite to the first electromagnet, the return spring is fixedly connected with the first electromagnet and the second electromagnet and is positioned between the first electromagnet and the second electromagnet, the emergency wire core is electrically connected with the second electromagnet and is positioned in the flame-retardant outer sheath, when a fire disaster happens, the emergency wire core is burnt, the second electromagnet is powered off, the return spring extends, the distance between the wire core unit and the ceramic belt layer and the flame-retardant outer sheath is increased, the burning speed is reduced, and the normal power supply of the wire core unit is ensured, the escape probability of people is improved.
Drawings
FIG. 1 is a schematic structural diagram of an ultra-flexible fireproof cable according to the present invention;
FIG. 2 is a cross-sectional view of the ultra-flexible fireproof cable of the present invention;
FIG. 3 is a cross-sectional view of the ultra-flexible fireproof cable of the present invention;
FIG. 4 is a cross-sectional view of the ultra-flexible fire-resistant cable of the present invention;
FIG. 5 is a schematic view of the blocking assembly of the present invention with the second electromagnet de-energized;
FIG. 6 is a schematic view of the blocking assembly of the present invention with a second electromagnet energized;
in the figure: the cable comprises 1-a glass fiber belt layer, 2-a wire core unit, 3-a ceramic belt layer, 4-a blocking component, 5-a flame-retardant outer sheath, 6-flame-retardant rubber, 7-an inflation tube, 8-an alarm, 9-a sensor, 21-a conductor, 22-a flame-retardant layer, 23-a waterproof layer, 24-an insulating layer, 41-a first electromagnet, 42-a second electromagnet, 43-a return spring, 44-an emergency wire core, 51-an oxygen isolation layer, 52-a high-temperature-resistant layer and 53-a shielding layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-6, the present invention provides an ultra-flexible fireproof cable, which includes a glass fiber tape layer 1, a core unit 2, a ceramic tape layer 3, a barrier component 4 and a flame-retardant outer sheath 5, the glass fiber belt layer 1 is of a circular tube structure, the number of the wire core units 2 is multiple, the plurality of wire core units 2 are positioned in the glass fiber belt layer 1, the ceramic tape layer 3 wraps the glass fiber tape layer 1, a containing cavity is formed between the glass fiber tape layer 1 and the ceramic tape layer 3, the containing cavity is filled with fire extinguishing gas, the number of the barrier assemblies 4 is multiple, the barrier assemblies 4 are respectively arranged in the circumferential direction of the outer wall of the glass fiber belt layer 1, the flame-retardant outer sheath 5 is arranged along the horizontal extension direction of the ceramic tape layer 3 at equal intervals and is positioned in the accommodating cavity, and the ceramic tape layer 3 is wrapped by the flame-retardant outer sheath;
the blocking component 4 comprises a first electromagnet 41, a second electromagnet 42, a return spring 43 and an emergency wire core 44, the first electromagnet 41 is fixedly connected with the glass fiber tape layer 1 and is positioned on the circumferential direction of the outer wall of the glass fiber tape layer 1, the second electromagnet 42 is fixedly connected with the ceramic tape layer 3 and is positioned on the circumferential direction of the inner wall of the ceramic tape layer 3 and is opposite to the first electromagnet 41, the return spring 43 is fixedly connected with the first electromagnet 41 and the second electromagnet 42 and is positioned between the first electromagnet 41 and the second electromagnet 42, and the emergency wire core 44 is electrically connected with the second electromagnet 42 and is positioned in the flame-retardant outer sheath.
In this embodiment, the glass fiber tape layer 1 is a circular tube structure, the number of the core units 2 is multiple, and the core units 2 are located in the glass fiber tape layer 1. The glass fiber belt layer 1 is a composite material with glass fibers, the glass fibers are inorganic non-metallic materials with excellent performance, the glass fiber belt layer is prepared by taking seven kinds of ores such as pyrophyllite, quartz sand, dolomite, borocalcite and boromagnesite as raw materials through processes of high-temperature melting, wire drawing, winding, weaving and the like, the diameter of each monofilament ranges from several micrometers to twenty micrometers, the monofilament is equivalent to 1/20-1/5 of one hair, and each bundle of fiber precursor consists of hundreds of monofilaments and even thousands of monofilaments. Has the characteristics of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength. In addition, the glass fiber is taken as a composite material, and has the biggest characteristics of high tensile strength, 6.3-6.9g/d of tensile strength in a standard state, 5.4-5.8g/d of wet state, good heat resistance, no influence on strength when the temperature reaches 300 ℃, excellent electric insulation property, and high-grade electric insulation material, avoids electric leakage, increases the shrinkage of the wire core unit 2, increases the distance between the wire core unit 2 and the ceramic band layer 3, enhances the flexibility of the super-flexible fireproof cable, and is convenient to install. The ceramic tape layer 3 wraps the glass fiber tape layer 1, the glass fiber tape layer 1 and a containing cavity is formed between the ceramic tape layer 3, fire extinguishing gas is filled in the containing cavity, ceramic fibers are arranged in the ceramic tape layer 3, the ceramic fibers are fibrous light refractory materials, and the ceramic tape has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity, small specific heat and mechanical shock resistance. The fire extinguishing gas is heptafluoropropane or inert gas, such as one or more of neon and argon, the heptafluoropropane is a clean gas chemical fire extinguishing agent which mainly takes chemical fire extinguishing and has physical fire extinguishing effect, and the heptafluoropropane is colorless, tasteless, non-conductive, free of pollution to a protected object and free of damage to property and precision facilities; the inert gas is colorless and tasteless monatomic gas, is difficult to carry out chemical reaction, and reduces the harmful gas generated by the reaction with other substances during fire burning. The number of the blocking assemblies 4 is multiple, the blocking assemblies 4 are respectively arranged in the circumferential direction of the outer wall of the glass fiber tape layer 1, are arranged at equal intervals along the horizontal extending direction of the ceramic tape layer 3 and are located in the accommodating cavity, and the ceramic tape layer 3 is wrapped by the flame-retardant outer sheath 5. The flame-retardant outer sheath 5 protects the ceramic tape layer 3, the glass fiber tape layer 1 and the wire core unit 2 from external interference. The blocking component 4 comprises a first electromagnet 41, a second electromagnet 42, a return spring 43 and an emergency wire core 44, the first electromagnet 41 is fixedly connected with the glass fiber tape layer 1 and is positioned on the circumferential direction of the outer wall of the glass fiber tape layer 1, the second electromagnet 42 is fixedly connected with the ceramic tape layer 3 and is positioned on the circumferential direction of the inner wall of the ceramic tape layer 3 and is opposite to the first electromagnet 41, the return spring 43 is fixedly connected with the first electromagnet 41 and the second electromagnet 42 and is positioned between the first electromagnet 41 and the second electromagnet 42, and the emergency wire core 44 is electrically connected with the second electromagnet 42 and is positioned in the flame-retardant outer sheath. The surfaces of the return spring 43, the first electromagnet 41 and the second electromagnet 42 are coated with fireproof materials, so that the fireproof strength is increased, when a fire disaster does not occur, the emergency wire core 44 is electrified, the second electromagnet 42 is electrified and has magnetism, the first electromagnet 41 and the second electromagnet 42 are mutually attracted due to magnetic force, the return spring 43 is in a maximum compression state, when a fire disaster occurs, the outer skin of the flame-retardant outer sheath 5 is firstly burnt, then the emergency wire core 44 is burnt, the emergency wire core 44 is powered off, the second electromagnet 42 is not powered off and has magnetism, the return spring 43 extends to push the first electromagnet 41, the first electromagnet 41 pushes the glass fiber tape layer 1 to be compressed to the central position, a plurality of wire core units 2 are close to and extruded, so that the distance between the glass fiber tape layer 1 and the ceramic tape layer 3 is increased, slowed down the burning rate, guaranteed 2 normal power supplies of sinle silk unit give emergency equipment power supply, if the pilot lamp of fleing, avoid personnel to see not clear the way, take place danger, increased personnel's probability of fleing. In addition, if the fire is slightly small and controlled, only the flame-retardant outer sheath 5 and the emergency wire core 44 need to be repaired in the later period, the emergency wire core 44 is electrified, the second electromagnet 42 is electrified and has magnetism, the first electromagnet 41 and the second electromagnet 42 are mutually attracted, the first electromagnet 41 drives the glass fiber tape layer 1 to extend, the space of the wire core unit 2 is enlarged, the normal work and power supply can be realized, the maintenance cost is reduced, and the maintenance speed is increased.
The super-flexible fireproof cable is fixedly connected with the glass fiber tape layer 1 through the first electromagnet 41 and is positioned in the circumferential direction of the outer wall of the glass fiber tape layer 1, the second electromagnet 42 is fixedly connected with the ceramic tape layer 3 and is positioned in the circumferential direction of the inner wall of the ceramic tape layer 3 and is arranged opposite to the first electromagnet 41, the return spring 43 is fixedly connected with the first electromagnet 41 and the second electromagnet 42 and is positioned between the first electromagnet 41 and the second electromagnet 42, the emergency wire core 44 is electrically connected with the second electromagnet 42 and is positioned in the flame-retardant outer sheath, when a fire disaster happens, the emergency wire core 44 is burnt, the second electromagnet 42 is powered off, the return spring 43 extends, the distance between the wire core unit 2 and the ceramic tape layer 3 as well as the flame-retardant outer sheath 5 is increased, the burning speed is slowed down, the normal power supply of the wire core unit 2 is guaranteed, and the escape probability of people is improved.
Further, super gentle fireproof cable still includes fire-retardant rubber 6, fire-retardant rubber 6 is located in the glass fiber tape layer 1, and fill in a plurality of between the sinle silk unit 2. The maximum extension distance of the return spring 43 is equal to the maximum compression distance of the flame retardant rubber 6. The super-flexible fireproof cable further comprises an inflation tube 7, wherein the inflation tube 7 penetrates through the flame-retardant outer sheath 5 and the ceramic tape layer 3 and is located in the accommodating cavity. In the present embodiment, the flame retardant rubber 6 is one or more of neoprene, chlorosulfonated polyethylene, polyvinyl chloride, or silicone rubber, and the flame retardancy can be improved by using a flame retardant rubber in combination with a flammable rubber, such as polyvinyl chloride in combination with nitrile rubber. The flame-retardant rubber 6 is made of a high-elasticity polymer material capable of reversibly deforming, can deform greatly under the action of a small external force, can recover to the original shape after the external force is removed, and has the characteristics of insulativity, impermeability and air, so that the requirement that the first electromagnet 41 pushes the flame-retardant rubber 6 to deform and increase the distance is met, insulation, water and air can be realized, the combustion is reduced, and the safety is ensured. The maximum extension distance of the return spring 43 is equal to the maximum compression distance of the flame retardant rubber 6. When a fire disaster happens, the first electromagnet 41 pushes the glass fiber belt layer 1 to move to the center for the maximum distance, the maximum burning distance is ensured, the burning time is increased, the power supply time of the wire core unit 2 is increased, and people can escape conveniently. One end of the inflation tube 7 is located in the containing cavity, and the other end of the inflation tube is connected with the gas storage device, when a fire disaster happens, the first electromagnet 41 pushes the glass fiber tape layer 1 to move, the space of the containing cavity is increased, sufficient fire extinguishing gas is filled into the containing cavity through the inflation tube 7, the concentration is enhanced, and the combustion speed is slowed down.
Further, the super-flexible fireproof cable further comprises an alarm 8, wherein the alarm 8 is fixedly connected with the second electromagnet 42 and is located between the first electromagnet 41 and the second electromagnet 42. The maximum compression distance of the return spring 43 is equal to the maximum length of the alarm 8. The ultra-flexible fireproof cable further comprises a sensor 9, wherein the sensor 9 is arranged on the alarm 8 and is positioned at one side close to the first electromagnet 41. In this embodiment, the surface of the alarm 8 is coated with a fireproof material to enhance fireproof performance, a buzzer is further arranged in the alarm 8, when a fire disaster does not occur, the alarm 8 is clamped between the first electromagnet 41 and the second electromagnet 42, the sensor 9 is just in contact with the first electromagnet 41, the sensor 9 is one or more of a pressure sensor 9, a light sensor 9 or a distance sensor 9, the sensor 9 is wirelessly connected with a controller outside the super-flexible fireproof cable, when a fire disaster occurs, the emergency wire core 44 is blown, the second electromagnet 42 is powered off, the return spring 43 extends to push the first electromagnet 41 to move, the sensor 9 detects the change of a pressure value, a light value or a distance value, the controller receives the change information of the sensor 9 to make a judgment, the buzzer sounds, prompts personnel to pay attention to safety, can check and extinguish fire according to the sound direction when the fire is small, reduces loss, and escapes to alarm when the fire is large. The maximum compression distance of the return spring 43 is equal to the maximum length of the alarm 8, so that the sensor 9 is ensured to be just in contact with the first electromagnet 41, the phenomenon that the distance is too large, the sensor 9 cannot be in contact with the first electromagnet 41 to influence the alarm performance is avoided, the phenomenon that the distance is too small is also avoided, and the alarm 8 cannot be placed between the first electromagnet and the second electromagnet.
Further, the wire core unit 2 comprises a conductor 21, a flame-retardant layer 22, a waterproof layer 23 and an insulating layer 24, the flame-retardant layer 22 wraps the conductor 21, the waterproof layer 23 wraps the flame-retardant layer 22, and the insulating layer 24 wraps the waterproof layer 23. In the present embodiment, the conductor 21 is used for power transmission, and the flame retardant layer 22 has a flame retardant material therein, the flame retardant material is a material capable of suppressing or retarding combustion and not easily combustible by itself, and is one of an inorganic flame retardant material such as antimony trioxide, magnesium hydroxide, and aluminum hydroxide, and an organic flame retardant material such as tetrabromobisphenol a and brominated polystyrene. The waterproof layer 23 prevents water sprayed from flowing into the conductor 21 during a fire from causing a danger of conduction. The insulating layer 24 has therein an insulating material, which is also called a dielectric medium, and is a substance that does not conduct electricity or conducts electricity very slightly under the action of a dc voltage, so as to separate the charged conductors 21 with different potentials, so that current can flow along a certain path, and the insulating layer can also serve as a mechanical support and fixation, and has the functions of extinguishing arc, dissipating heat, storing energy, preventing moisture and mildew, or improving the potential distribution of an electric field and protecting the conductors 21.
Further, the flame-retardant outer sheath 5 comprises an oxygen isolation layer 51 and a high-temperature-resistant layer 52, the oxygen isolation layer 51 wraps the ceramic tape layer 3, and the high-temperature-resistant layer 52 wraps the oxygen isolation layer 51. The flame-retardant outer sheath 5 further comprises a shielding layer 53, and the high-temperature-resistant layer 52 is wrapped by the shielding layer 53. In the present embodiment, the oxygen barrier layer 51 blocks air inside the ceramic tape layer 3 from air outside the high temperature resistant layer 52, and prevents flame from entering the ceramic tape layer 3 and burning. The refractory layer 52 resists the temperature from the outside and the temperature generated by the internal circuit to avoid fire due to high temperature. The shielding layer 53 shields the interference of the outer wall signal, and facilitates the normal power-on of the conductor 21.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An ultra-flexible fireproof cable is characterized in that,
the glass fiber belt layer is of a circular tube structure, a plurality of wire core units are located in the glass fiber belt layer, the ceramic belt layer wraps the glass fiber belt layer, a containing cavity is formed between the glass fiber belt layer and the ceramic belt layer, fire extinguishing gas is filled in the containing cavity, a plurality of blocking assemblies are respectively arranged in the circumferential direction of the outer wall of the glass fiber belt layer, are arranged at equal intervals along the horizontal extending direction of the ceramic belt layer and are located in the containing cavity, and the flame-retardant outer jacket wraps the ceramic belt layer;
the separation assembly comprises a first electromagnet, a second electromagnet, a return spring and an emergency wire core, the first electromagnet is fixedly connected with the glass fiber tape layer and is located in the circumferential direction of the outer wall of the glass fiber tape layer, the second electromagnet is fixedly connected with the ceramic tape layer and is located in the circumferential direction of the inner wall of the ceramic tape layer and is arranged opposite to the first electromagnet, the return spring is fixedly connected with the first electromagnet and is located between the first electromagnet and the second electromagnet, and the emergency wire core is electrically connected with the second electromagnet and is located in the flame-retardant outer sheath.
2. An ultra-flexible fireproof cable according to claim 1,
super gentle fireproof cable still includes fire-retardant rubber, fire-retardant rubber is located in the glass fiber tape layer, and fill in a plurality of between the sinle silk unit.
3. An ultra-flexible fireproof cable according to claim 2,
the maximum extension distance of the return spring is equal to the maximum compression distance of the flame-retardant rubber.
4. An ultra-flexible fireproof cable according to claim 1,
the super-flexible fireproof cable further comprises an inflation tube, wherein the inflation tube penetrates through the flame-retardant outer sheath and the ceramic tape layer and is positioned in the accommodating cavity.
5. An ultra-flexible fireproof cable according to claim 1,
the super-flexible fireproof cable further comprises an alarm, wherein the alarm is fixedly connected with the second electromagnet and is positioned between the first electromagnet and the second electromagnet.
6. An ultra-flexible fireproof cable according to claim 5,
the maximum compression distance of the return spring is equal to the maximum length of the alarm.
7. An ultra-flexible fireproof cable according to claim 6,
super gentle fireproof cable still includes the sensor, the sensor set up in on the siren, and be located and be close to one side of first electro-magnet.
8. An ultra-flexible fireproof cable according to claim 1,
the cable core unit comprises a conductor, a flame-retardant layer, a waterproof layer and an insulating layer, wherein the flame-retardant layer wraps the conductor, the waterproof layer wraps the flame-retardant layer, and the insulating layer wraps the waterproof layer.
9. An ultra-flexible fireproof cable according to claim 1,
the flame-retardant outer sheath comprises an oxygen isolation layer and a high-temperature-resistant layer, the ceramic tape layer is wrapped by the oxygen isolation layer, and the oxygen isolation layer is wrapped by the high-temperature-resistant layer.
10. An ultra-flexible fire-resistant cable according to claim 9,
the flame-retardant outer sheath further comprises a shielding layer, and the shielding layer wraps the high-temperature-resistant layer.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110299224A (en) * | 2019-07-01 | 2019-10-01 | 谭兴亮 | Fire prevention composite cable |
| CN112599291A (en) * | 2020-12-08 | 2021-04-02 | 朱立怀 | Waterproof distributed instrument cable for safety explosion-proof circuit |
| CN113161047B (en) * | 2021-04-20 | 2022-05-27 | 涌纬集团股份有限公司 | Power cable for intelligent energy |
| CN116504447B (en) * | 2023-04-14 | 2023-10-17 | 铭扬电缆集团有限公司 | Flexible medium-voltage fireproof cable |
| CN118262958B (en) * | 2024-05-29 | 2024-08-16 | 兴盛电缆有限公司 | Armored safety cable |
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| CN205881537U (en) * | 2016-08-18 | 2017-01-11 | 扬州市凤鸣电缆有限公司 | Fireproof flame -retardant cable |
| CN207021013U (en) * | 2017-05-26 | 2018-02-16 | 成都市金顶电线电缆有限责任公司 | A kind of fire-type high pressure armored cable |
| CN207704895U (en) * | 2017-12-29 | 2018-08-07 | 深圳市优聚新能源科技有限公司 | A kind of high flexibility fire prevention single-core cable with ceramic composite band |
| CN208157120U (en) * | 2018-05-04 | 2018-11-27 | 扬州曙光电缆股份有限公司 | A kind of LSOH anti-flaming fire resisting weight cable |
| CN208433232U (en) * | 2018-07-31 | 2019-01-25 | 昆明昆宝电线电缆制造有限公司 | A kind of deep-well draws by force high flexibility high-wear-resistance mining cable |
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