CN110706855A - Fire-resistant flame-retardant moisture-proof cable - Google Patents
Fire-resistant flame-retardant moisture-proof cable Download PDFInfo
- Publication number
- CN110706855A CN110706855A CN201910996405.8A CN201910996405A CN110706855A CN 110706855 A CN110706855 A CN 110706855A CN 201910996405 A CN201910996405 A CN 201910996405A CN 110706855 A CN110706855 A CN 110706855A
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- China
- Prior art keywords
- layer
- retardant
- flame
- fire
- cable
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention relates to the technical field of cables, in particular to a fire-resistant, flame-retardant and moisture-proof cable which comprises a flame-retardant PVC sleeve, an aluminum tape layer, an anti-theft layer, a woven layer, a mica tape high-temperature-resistant layer, a surrounding pipe, an outer sheath, an inner liner, a ceramic silica gel wrapping tape and a cable core layer, wherein the aluminum tape layer is welded on the inner side of the flame-retardant PVC sleeve, and the anti-theft layer is arranged on the inner side of the aluminum tape layer. The anti-theft performance is enhanced.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a fire-resistant, flame-retardant and moisture-proof cable.
Background
With the rapid development of economy, the power industry in China also develops rapidly, and then the development of the cable industry is promoted, a cable is a wire rod product for transmitting electric energy and electric signals and realizing electromagnetic energy conversion, the cable is generally composed of a cable core for transmitting the electric energy or the electric signals and a sheath for protecting and insulating, the cable core in the cable is made of a metal material with good electric conductivity, copper (good electric conductivity) or aluminum (low cost) is generally used, but the cable in the prior art does not have certain fire resistance and flame retardance, and is easy to damage when meeting an emergency, and in addition, the cable does not have a certain waterproof effect, and is poor in anti-theft performance and low in strength.
Disclosure of Invention
The invention provides a fire-resistant flame-retardant moistureproof cable, overcomes the defects of the prior art, and can effectively solve the problems that the existing cable does not have certain fire resistance and flame retardance, the cable is easy to damage in case of emergency, does not have a certain waterproof effect, and has poor anti-theft performance and low strength.
The technical scheme of the invention is realized by the following measures: a fire-resistant, flame-retardant and moisture-proof cable comprises a flame-retardant PVC sleeve, an aluminum tape layer, an anti-theft layer, a woven layer, a mica tape high-temperature-resistant layer, a surrounding pipe, an outer sheath, an inner liner, a ceramic silica gel wrapping tape and a cable core layer, wherein the aluminum tape layer is welded on the inner side of the flame-retardant PVC sleeve, and the anti-theft layer is arranged on the inner side of the aluminum tape layer; the anti-theft layer comprises a tinned steel wire outer layer, a steel belt wrapping middle layer and a high-carbon galvanized steel wire inner layer, the inner side of the aluminum belt layer is welded with the outer side of the tinned steel wire outer layer, the inner side of the outer layer of the tinned steel wire is welded with the outer side of the middle layer of the steel belt wrapping, the inner side of the middle layer of the steel belt wrapping is welded with the outer side of the inner layer of the high-carbon galvanized steel wire, the inner side of the high-carbon galvanized steel wire inner layer is glued with the outer side of the weaving layer, the inner side of the weaving layer is glued with the mica tape high temperature resistant layer, the inner side of the mica tape high temperature resistant layer is glued with a surrounding pipe, the inner side of the surrounding pipe is provided with an outer sheath, the inner side of the outer sheath is glued with an inner liner, the inner side of the inner liner is glued with a ceramic silica gel wrapping tape, the pottery silica gel is provided with the cable sandwich layer around the inboard in area, encircles and installs the leading pipe on the pipe, and the one end of leading pipe passes fire-retardant PVC cover outer wall and air intercommunication.
The following is a further optimization or/and improvement of one of the above-mentioned technical solutions of the invention:
above-mentioned cable sandwich layer fires the strip including separating oxygen chamber, glass fiber stranded conductor, first cable conductor, second cable conductor and separation, pottery porcelain ization silica gel is connected with the outside of cable sandwich layer around the inboard of area, the inside symmetry of cable sandwich layer is provided with separates the oxygen chamber, the outside that separates the oxygen chamber evenly is provided with glass fiber stranded conductor, separate inside one side in oxygen chamber and install first cable conductor, separate the inside opposite side in oxygen chamber and install second cable conductor, it fires the strip to separate to be provided with the separation between the oxygen chamber.
And inorganic filling materials are filled in the gaps among the oxygen isolation cavity, the glass fiber twisted rope and the isolation burning strips.
The outside of above-mentioned first cable conductor and second cable conductor all is provided with the insulating layer, the shielding layer is installed through the super glue in the outside of insulating layer.
One side of the outer wall of the surrounding pipe is connected with the high-temperature-resistant layer of the mica tape through a waterproof isolation sleeve, and one side of the inner wall of the surrounding pipe is provided with a damp-proof film.
The steel belt ring is uniformly welded inside the flame-retardant PVC sleeve and is formed by spirally winding a circle of steel belt wires side by side along the length direction of the steel belt wires.
The flame-retardant cable is reasonable and compact in structure and convenient to use, the flame-retardant effect of the cable is improved due to the arrangement of the oxygen isolation cavity, the flame-retardant strip is prevented from covering the cable when the cable is burnt, further spread of fire is prevented, the fireproof effect of the cable is improved, the mica tape high-temperature-resistant layer is beneficial to the cable to work in a high-temperature state, and the fireproof effect of the cable is improved; through fire-retardant PVC cover, the moisture of external infiltration is kept apart to waterproof separation sleeve and dampproof film, after moisture infiltration arrives encircleing the pipe, discharge moisture to the cable outside through the leading water pipe, avoid moisture infiltration to first cable conductor and second cable conductor, it is outer through the intraformational tinned wire of theftproof, the steel band is around package middle level and the inside not damaged of high carbon galvanized steel wire inlayer protection cable, reinforcing theftproof performance, the setting of aluminium belting layer and the steel band circle of the inside of fire-retardant PVC cover have increased the mechanical strength of cable, prevent damaging, the life of improvement cable.
Drawings
Fig. 1 is an overall sectional structure diagram of the present invention.
Fig. 2 is a schematic view of the anti-theft layer structure of the invention.
Figure 3 is a schematic diagram of a cable core layer structure of the present invention.
The codes in the figures are respectively: 1 is fire-retardant PVC cover, 2 is the aluminium tape layer, 3 is the theftproof layer, 4 is the weaving layer, 5 is the high temperature resistant layer of mica tape, 6 is the surrounding pipe, 7 is waterproof isolation cover, 8 is the dampproof film, 9 is the oversheath, 10 is the inner liner, 11 is for ceramic silica gel around the band, 12 is the cable core layer, 13 is the leading water pipe, 31 is tin-plated steel wire skin, 32 is the steel band around the covering middle level, 33 is high carbon zinc-plated steel wire inlayer, 121 is the oxygen chamber that separates, 122 is glass fiber rope, 123 is first cable core, 124 is the second cable core, 125 is the insulating layer, 126 is the shielding layer, 127 is inorganic filler material, 128 is the separation and fires the strip.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 2 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 2 of the specification.
The invention is further described with reference to the following examples and figures:
as shown in the attached drawings 1 to 3, the fire-resistant, flame-retardant and moisture-proof cable comprises a flame-retardant PVC sleeve 1, an aluminum tape layer 2, an anti-theft layer 3, a weaving layer 4, a mica tape high-temperature-resistant layer 5, a surrounding pipe 6, an outer sheath 9, an inner lining layer 10, a ceramic silica gel wrapping tape 11 and a cable core layer 12; an aluminum belt layer 2 is welded on the inner side of the flame-retardant PVC sleeve 1, and an anti-theft layer 3 is arranged on the inner side of the aluminum belt layer 2; the anti-theft layer 3 comprises a tinned steel wire outer layer 31, a steel belt wrapping middle layer 32 and a high-carbon galvanized steel wire inner layer 33, the inner side of an aluminum belt layer 2 is welded with the outer side of the tinned steel wire outer layer 31, the inner side of the tinned steel wire outer layer 31 is welded with the outer side of the steel belt wrapping middle layer 32, the steel belt is welded with the inner side of the wrapping middle layer 32 and the outer side of the high-carbon galvanized steel wire inner layer 33, the inner side of the high-carbon galvanized steel wire inner layer 33 is glued with the outer side of a weaving layer 4, the inner side of the weaving layer 4 is glued with a mica belt high-temperature resistant layer 5, the inner side of the mica belt high-temperature resistant layer 5 is glued with a surrounding pipe 6, an outer sheath 9 is installed on the inner side of the surrounding pipe 6, an inner lining layer 10 is glued on the inner side of the lining layer 9, the inner side of the lining layer 10 is glued with a, and one end of the water conduit 13 passes through the outer wall of the flame-retardant PVC sleeve 1 and is communicated with the air. The mica tape high temperature resistant layer 5 is beneficial to the cable to work in a high temperature state, and the fire resistance effect of the cable is improved. Through the outer 31 of tinned wire in the theftproof layer 3, steel band around package middle level 32 and the inside damage not received of high carbon galvanized steel wire layer 33 protection cable, reinforcing theftproof performance, the setting up of aluminium strip layer 2 has increased the mechanical strength of cable, prevents to damage, improves the life of cable. After the moisture penetrates the surrounding pipe 6, the moisture is discharged to the outside of the cable through the water conduit 13, and the moisture is prevented from penetrating into the first cable core 123 and the second cable core 124.
The fire-resistant flame-retardant moisture-proof cable can be further optimized or/and improved according to actual needs:
as shown in fig. 1 to 3, cable core layer 12 is including separating oxygen chamber 121, glass fiber stranded cord 122, first cable core 123, second cable core 124 and separation and burning strip 128, pottery porcelain silica gel is connected around the inboard of area 11 and the outside of cable core layer 12, the inside symmetry of cable core layer 12 is provided with separates oxygen chamber 121, the outside that separates oxygen chamber 121 evenly is provided with glass fiber stranded cord 122, separate inside one side of oxygen chamber 121 and install first cable core 123, separate the inside opposite side of oxygen chamber 121 and install second cable core 124, it fires strip 128 to be provided with the separation between the oxygen chamber 121. The oxygen-isolating cavity 121 improves the flame-retardant effect of the cable, and the obstructing combustion strip 128 covers the cable when the cable is burnt, so that the further spreading of fire is prevented, and the fireproof effect of the cable is improved.
As shown in fig. 1 to 3, the gap between the oxygen-isolating chamber 121, the glass fiber twisted rope 122 and the flame-retardant barrier strip 128 is filled with an inorganic filling material 127. This may increase the stability of the structure.
As shown in fig. 1 to 3, an insulating layer 125 is disposed on the outer side of each of the first cable core 123 and the second cable core 124, and a shielding layer 126 is mounted on the outer side of the insulating layer 125 by using super glue. The insulation layer 125 may be a teflon material member and the shielding layer 126 may be a copper plastic composite tape material member, which facilitates cable operation.
As shown in the attached drawings 1 to 3, one side of the outer wall of the surrounding pipe 6 is connected with the mica tape high temperature resistant layer 5 through a waterproof isolation sleeve 7, and one side of the inner wall of the surrounding pipe 6 is provided with a moisture-proof film 8. Such an arrangement may enhance the water-resistance of the cable.
According to the needs, the inside even welding of fire-retardant PVC cover 1 has the steel band circle, the steel band circle is formed by its length direction spiral winding of round steel band silk side by side. The cable strength can be further enhanced by such an arrangement.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (7)
1. A fire-resistant, flame-retardant and moisture-proof cable is characterized by comprising a flame-retardant PVC sleeve, an aluminum tape layer, an anti-theft layer, a woven layer, a mica tape high-temperature-resistant layer, a surrounding pipe, an outer sheath, an inner liner layer, a ceramic silica gel wrapping tape and a cable core layer, wherein the aluminum tape layer is welded on the inner side of the flame-retardant PVC sleeve, and the anti-theft layer is arranged on the inner side of the aluminum tape layer; the anti-theft layer comprises a tinned steel wire outer layer, a steel belt wrapping middle layer and a high-carbon galvanized steel wire inner layer, the inner side of the aluminum belt layer is welded with the outer side of the tinned steel wire outer layer, the inner side of the outer layer of the tinned steel wire is welded with the outer side of the middle layer of the steel belt wrapping, the inner side of the middle layer of the steel belt wrapping is welded with the outer side of the inner layer of the high-carbon galvanized steel wire, the inner side of the high-carbon galvanized steel wire inner layer is glued with the outer side of the weaving layer, the inner side of the weaving layer is glued with the mica tape high temperature resistant layer, the inner side of the mica tape high temperature resistant layer is glued with a surrounding pipe, the inner side of the surrounding pipe is provided with an outer sheath, the inner side of the outer sheath is glued with an inner liner, the inner side of the inner liner is glued with a ceramic silica gel wrapping tape, the pottery silica gel is provided with the cable sandwich layer around the inboard in area, encircles and installs the leading pipe on the pipe, and the one end of leading pipe passes fire-retardant PVC cover outer wall and air intercommunication.
2. The fire-resistant, flame-retardant and moisture-proof cable according to claim 1, wherein the cable core layer comprises an oxygen isolation cavity, a glass fiber twisted rope, a first cable core, a second cable core and a separation combustion strip, the ceramic silica gel is connected with the outer side of the cable core layer around the inner side of the tape, the oxygen isolation cavity is symmetrically arranged in the cable core layer, the glass fiber twisted rope is uniformly arranged in the outer side of the oxygen isolation cavity, the first cable core is arranged on one side of the inner part of the oxygen isolation cavity, the second cable core is arranged on the other side of the inner part of the oxygen isolation cavity, and the separation combustion strip is arranged between the oxygen isolation cavities.
3. The fire-resistant, flame-retardant and moisture-proof cable according to claim 2, wherein the gaps between the oxygen-barrier chamber, the glass fiber twisted rope and the flame-retardant strips are filled with an inorganic filling material.
4. The fire-resistant, flame-retardant and moisture-proof cable according to claim 3, wherein the first cable core and the second cable core are provided with insulating layers on the outer sides, and the shielding layers are arranged on the outer sides of the insulating layers through super glue.
5. The fire-resistant, flame-retardant and moisture-proof cable according to claim 1, 2, 3 or 4, wherein one side of the outer wall of the surrounding tube is connected with the mica tape high-temperature resistant layer through a waterproof isolation sleeve, and one side of the inner wall of the surrounding tube is provided with a moisture-proof film.
6. The fire-resistant, fire-retardant and moisture-proof cable according to claim 1, 2, 3 or 4, wherein the fire-retardant PVC sheath has a steel band ring welded uniformly inside, and the steel band ring is formed by spirally winding a circle of steel band wires side by side along the length direction of the steel band wire.
7. The fire-resistant, flame-retardant and moisture-proof cable according to claim 5, wherein the flame-retardant PVC sheath has a steel band ring uniformly welded therein, and the steel band ring is formed by spirally winding a circle of steel band wires side by side along the length direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996405.8A CN110706855A (en) | 2019-10-18 | 2019-10-18 | Fire-resistant flame-retardant moisture-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996405.8A CN110706855A (en) | 2019-10-18 | 2019-10-18 | Fire-resistant flame-retardant moisture-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110706855A true CN110706855A (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910996405.8A Pending CN110706855A (en) | 2019-10-18 | 2019-10-18 | Fire-resistant flame-retardant moisture-proof cable |
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| CN (1) | CN110706855A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202584862U (en) * | 2012-03-28 | 2012-12-05 | 安徽太平洋电缆集团有限公司 | Anti-theft and anti-corrosion type power cable |
| CN203406079U (en) * | 2013-08-19 | 2014-01-22 | 福建通宇电缆有限公司 | High-tensile, fireproof and flame-retardant cable |
| JP2017224543A (en) * | 2016-06-17 | 2017-12-21 | 日立金属株式会社 | Insulated wire and cable |
| CN206907542U (en) * | 2017-05-25 | 2018-01-19 | 北京远东交联电缆有限公司 | Cable |
| CN208489000U (en) * | 2018-08-28 | 2019-02-12 | 河北佳成电器科技有限公司 | A kind of corrosion resistant type ground line |
| CN208873525U (en) * | 2018-11-08 | 2019-05-17 | 锐洋集团东北电缆有限公司 | A kind of cable |
-
2019
- 2019-10-18 CN CN201910996405.8A patent/CN110706855A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202584862U (en) * | 2012-03-28 | 2012-12-05 | 安徽太平洋电缆集团有限公司 | Anti-theft and anti-corrosion type power cable |
| CN203406079U (en) * | 2013-08-19 | 2014-01-22 | 福建通宇电缆有限公司 | High-tensile, fireproof and flame-retardant cable |
| JP2017224543A (en) * | 2016-06-17 | 2017-12-21 | 日立金属株式会社 | Insulated wire and cable |
| CN206907542U (en) * | 2017-05-25 | 2018-01-19 | 北京远东交联电缆有限公司 | Cable |
| CN208489000U (en) * | 2018-08-28 | 2019-02-12 | 河北佳成电器科技有限公司 | A kind of corrosion resistant type ground line |
| CN208873525U (en) * | 2018-11-08 | 2019-05-17 | 锐洋集团东北电缆有限公司 | A kind of cable |
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Application publication date: 20200117 |
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