CN112102990A - High flame-retardant insulated wire and cable - Google Patents
High flame-retardant insulated wire and cable Download PDFInfo
- Publication number
- CN112102990A CN112102990A CN202010814778.1A CN202010814778A CN112102990A CN 112102990 A CN112102990 A CN 112102990A CN 202010814778 A CN202010814778 A CN 202010814778A CN 112102990 A CN112102990 A CN 112102990A
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- CN
- China
- Prior art keywords
- sleeve
- wall
- cable
- arc
- insulated wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
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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
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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
- H01B7/1875—Multi-layer sheaths
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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
- H01B7/228—Metal braid
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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 discloses a high-flame-retardant insulated wire and cable, which comprises an insulating sleeve, wherein a plurality of copper wire sleeves are arranged inside the insulating sleeve, a plurality of copper wires are arranged inside the copper wire sleeves, a gap between each copper wire sleeve and the insulating sleeve is filled with filling fibers, and a protective sleeve is arranged on the outer wall of the insulating sleeve. This high fire-retardant insulated wire and cable, through insulating cover, the copper line cover, cooperation between copper line and the lag, the inside armor cover of lag can prevent to disturb other control cable transmission signal, can promote the tensile property of cable simultaneously, and fibre cloth and fire retardant coating can effectually restrain the cable and take place the spontaneous combustion condition and the texture is comparatively soft, during the use once cut the damage by the fish tail at conflagration scene cable outer wall, when leading to the rubber film fish tail, the inside fire-retardant gas of rubber film can discharge, can play the effect that restraines external intensity of a fire and stretch to a certain extent.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a high-flame-retardant insulated wire and cable.
Background
With the development of the current information era and the network era, the application of each field to electric wires and cables is more and more increased, and the demand is more and more diversified, wherein, the electric wires and cables used in some important engineering facilities, public places, precision equipment and large-scale machinery have higher requirements on flame retardant performance.
Disclosure of Invention
The present invention is directed to a high flame-retardant insulated wire and cable, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a high-flame-retardant insulated wire and cable comprises an insulating sleeve, wherein a plurality of copper wire sleeves are arranged inside the insulating sleeve, a plurality of copper wires are arranged inside the copper wire sleeves, a gap between each copper wire sleeve and the insulating sleeve is filled with filling fibers, and a protective sleeve is arranged on the outer wall of the insulating sleeve;
the protective sleeve comprises a rubber film, a hot edge seal, flame retardant gas, fiber cloth, flame retardant coating, an armor sleeve and an outer sheath;
the insulation sleeve is characterized in that the rubber film is wound on the outer wall of the insulation sleeve and connected through a heat-sealing edge, a flame retardant gas is filled in a cavity between the rubber film and the heat-sealing edge, fiber cloth is sleeved on the outer wall of the rubber film, flame retardant fibers are sprayed on the outer wall of the fiber cloth, an armor sleeve is fixedly sleeved on the outer wall of the fiber cloth, and an outer sheath is fixedly sleeved on the outer wall of the armor sleeve.
Preferably, the outer wall of the outer sheath is adhered with a warning label.
Preferably, a cable core is arranged at the center inside the insulating sleeve;
the cable core comprises a rubber column, a sleeve, a support rod, a first arc-shaped plate and a second arc-shaped plate;
the rubber column is located the inside center of insulating cover, the sleeve has been cup jointed to the outer wall of rubber column, telescopic outer wall is the annular branch that has inserted, the sleeve is run through to a part of branch, the medial extremity rigid coupling of branch has first arc, the interior side surface of first arc is laminated with the outer wall of rubber column mutually, the outside end rigid coupling of branch has the second arc, and is a plurality of the second arc is laminated with the inner wall of copper line cover and insulating cover respectively mutually.
Preferably, a plurality of through holes are formed in the inner side of the rubber column.
Preferably, the first arc-shaped plate is matched with the contact surface of the rubber column.
Preferably, a convex rib is machined in the center of the contact position of the second arc-shaped plate and the inner wall of the insulating sleeve.
Compared with the prior art, the invention has the beneficial effects that: this high fire-retardant insulated wire and cable, for traditional technology, has following advantage:
through insulating cover, the copper line cover, cooperation between copper line and the lag, the inside armor cover of lag can prevent to disturb other control cable transmission signal, can promote the tensile strength of cable simultaneously, and fibre cloth and fire-retardant coating can effectually restrain the cable and take place the spontaneous combustion condition and the texture is comparatively soft, during the use once be cut the damage by the fish tail at conflagration scene cable outer wall, when leading to the rubber film fish tail, the inside fire-retardant gas of rubber film can be discharged, can reach the effect of restraining external intensity of a fire and stretching to a certain extent, practicality can be strengthened.
Through the cooperation between insulating cover, copper line and the lag, the cable is in the use, and when the cable external world received external force and assaulted, the inside rubber film of lag and fire-retardant gas can carry out the compression buffering of certain degree, can make the cable possess certain shock resistance.
Through insulating cover, copper line, the cooperation between lag and the cable core, when the oversheath outside received external force extrusion impact during the cable use, can convey the rubber column with the effort through second arc, branch and first arc behind the oversheath atress, can make the rubber column compress, slows down the effort then, can reduce the impact of external force to the copper line, can make the life of cable obtain improving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an expanded structure of the rubber film of FIG. 1;
FIG. 3 is a schematic view of a connection structure of the insulating sheath and the protecting sheath of FIG. 1;
fig. 4 is a schematic view showing a connection structure of the rubber post, the sleeve and the strut of fig. 1.
In the figure: 1. an insulating sleeve; 2. a copper wire sleeve; 3. a copper wire; 4. a protective sleeve; 401. a rubber film; 402. performing hot edge sealing; 403. gas blocking; 404. fiber cloth; 405. flame retardant coating; 406. an armor cover; 407. an outer sheath; 5. a cable core; 501. a rubber column; 502. a sleeve; 503. a strut; 504. a first arc-shaped plate; 505. a second arc-shaped plate; 6. and (3) filling fibers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high flame-retardant insulated wire and cable comprises an insulating sleeve 1, wherein a plurality of copper wire sleeves 2 are arranged inside the insulating sleeve 1, the copper wire sleeves 2 and an outer sheath 407 are all made of high-density polyethylene materials, a plurality of copper wires 3 are arranged inside the copper wire sleeves 2, a gap between the copper wire sleeves 2 and the insulating sleeve 1 is filled with filling fibers 6, the filling fibers 6 are ceramic fibers, and the high-flame-retardant insulated wire and cable has the advantages of light weight, high temperature resistance, small heat capacity, good heat insulation performance, good high temperature heat insulation performance, no toxicity and the like, a protective sleeve 4 is arranged on the outer wall of the insulating sleeve 1, the protective sleeve 4 comprises a rubber film 401, a heat-sealing edge 402, flame-retardant gas 403, fiber cloth 404, flame-retardant paint 405, an armor sleeve 406 and an outer sheath 407, the rubber film 401 is wound on the outer wall of the insulating sleeve 1, the rubber film 401 is made of, the cavity is filled with flame retardant gas 403 between rubber film 401 and heat-seal limit 402, flame retardant gas 403 is carbon dioxide, fiber cloth 404 has been cup jointed to rubber film 401's outer wall, fiber cloth 404 is carbon fiber cloth, excellent fire-retardant efficiency has, fiber cloth 404's outer wall spraying has fire retardant coating 405, fiber cloth 404's the fixed armoring cover 406 that has cup jointed of outer wall, armoring cover 406 is for the zinc-plated copper wire alternately woven and forms, the fixed cover that has cup jointed of outer wall of armoring cover 406 has oversheath 407, the outer wall of oversheath 407 is pasted and is had the warning label, can the outside personnel of warning of certain degree avoid injuring the cable.
The cable core 5 is arranged at the center inside the insulating sleeve 1, the cable core 5 comprises a rubber column 501, a sleeve 502, a support rod 503, a first arc-shaped plate 504 and a second arc-shaped plate 505, the rubber column 501 is located at the center inside the insulating sleeve 1, the rubber column 501 is made of rubber and has certain toughness, the sleeve 502 is sleeved on the outer wall of the rubber column 501, the sleeve 502, the support rod 503, the first arc-shaped plate 504 and the second arc-shaped plate 505 are all made of PVC, the support rod 503 is inserted into the outer wall of the sleeve 502 in an annular shape, a part of the support rod 503 penetrates through the sleeve 502, the first arc-shaped plate 504 is fixedly connected to the inner side end of the support rod 503, the inner side surface of the first arc-shaped plate 504 is attached to the outer wall of the rubber column 501, the second arc-shaped plate 505 is fixedly connected to the outer side end of the support rod 503, the second arc-shaped plates 505 are respectively attached to the inner walls of the copper wire sleeve 2 and the insulating sleeve, the contact surface of the first arc-shaped plate 504 and the rubber column 501 is matched, the area of the contact surface of the first arc-shaped plate 504 and the rubber column 501 can be ensured, and a convex rib is machined at the center of the contact part of the second arc-shaped plate 505 and the inner wall of the insulating sleeve 1, so that the stability between the second arc-shaped plate 505 and the insulating sleeve 1 is favorably improved.
When the high-flame-retardant insulated wire and cable is used, when the outer side of the outer sheath 407 is extruded and impacted by external force, the outer sheath 407 is stressed and then transmits acting force to the rubber column 501 through the second arc-shaped plate 505, the supporting rod 503 and the first arc-shaped plate 504, so that the rubber column 501 can be compressed and then the acting force is reduced, the impact of the external force on the copper wire 3 can be reduced, the long-term use of the cable is facilitated, the armor sleeve 406 in the protective sleeve 4 can prevent interference with other control cable transmission signals during the period, the tensile property of the cable can be improved, when the external fire of the cable occurs, the fiber cloth 404 and the flame-retardant coating 405 can effectively inhibit the spontaneous combustion condition of the cable, during the period, the outer wall of the cable is scratched and damaged at the fire scene, so that when the rubber film 401 is scratched, the flame-retardant gas 403 in the rubber film 401 can be discharged, and the effect of inhibiting the spread, can strive for valuable rescue time for fire fighters.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high fire-retardant insulated wire and cable, includes insulating cover (1), its characterized in that: a plurality of copper wire sleeves (2) are arranged inside the insulating sleeve (1), a plurality of copper wires (3) are arranged inside the copper wire sleeves (2), filling fibers (6) are filled in a gap between each copper wire sleeve (2) and the insulating sleeve (1), and a protective sleeve (4) is arranged on the outer wall of the insulating sleeve (1);
the protective sleeve (4) comprises a rubber film (401), a heat-sealing edge (402), flame-retardant gas (403), fiber cloth (404), flame-retardant paint (405), an armor sleeve (406) and an outer sheath (407);
the rubber film (401) is wound on the outer wall of the insulating sleeve (1), the rubber film (401) is connected through a hot sealing edge (402), a flame retardant gas (403) is filled in a cavity between the rubber film (401) and the hot sealing edge (402), the outer wall of the rubber film (401) is sleeved with a fiber cloth (404), the outer wall of the fiber cloth (404) is sprayed with flame retardant fibers (405), an armor sleeve (406) is fixedly sleeved on the outer wall of the fiber cloth (404), and an outer sheath (407) is fixedly sleeved on the outer wall of the armor sleeve (406).
2. A high flame retardant insulated wire and cable according to claim 1, wherein: and a warning label is stuck to the outer wall of the outer sheath (407).
3. A high flame retardant insulated wire and cable according to claim 1, wherein: a cable core (5) is arranged at the center inside the insulating sleeve (1);
the cable core (5) comprises a rubber column (501), a sleeve (502), a support rod (503), a first arc-shaped plate (504) and a second arc-shaped plate (505);
rubber column (501) are located the inside center of insulating cover (1), sleeve (502) have been cup jointed to the outer wall of rubber column (501), the outer wall of sleeve (502) is the annular and has inserted branch (503), sleeve (502) is run through to a part of branch (503), the medial extremity rigid coupling of branch (503) has first arc (504), the interior side surface of first arc (504) is laminated with the outer wall of rubber column (501) mutually, the outside end rigid coupling of branch (503) has second arc (505), and is a plurality of second arc (505) are laminated with the inner wall of copper wire cover (2) and insulating cover (1) respectively mutually.
4. A high flame retardant insulated wire and cable according to claim 3, wherein: the inner side of the rubber column (501) is provided with a plurality of through holes.
5. A high flame retardant insulated wire and cable according to claim 3, wherein: the first arc-shaped plate (504) is matched with the contact surface of the rubber column (501).
6. A high flame retardant insulated wire and cable according to claim 3, wherein: a convex rib is processed at the center of the contact part of the second arc-shaped plate (505) and the inner wall of the insulating sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814778.1A CN112102990A (en) | 2020-08-13 | 2020-08-13 | High flame-retardant insulated wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814778.1A CN112102990A (en) | 2020-08-13 | 2020-08-13 | High flame-retardant insulated wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112102990A true CN112102990A (en) | 2020-12-18 |
Family
ID=73753698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010814778.1A Pending CN112102990A (en) | 2020-08-13 | 2020-08-13 | High flame-retardant insulated wire and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112102990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223766A (en) * | 2021-05-17 | 2021-08-06 | 柳玉军 | Fireproof cable |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4645298A (en) * | 1983-07-28 | 1987-02-24 | At&T Bell Laboratories | Optical fiber cable |
| CN101894622A (en) * | 2010-07-28 | 2010-11-24 | 江苏豪威富电气股份有限公司 | Self-bonding mica tape lapped wire with improved structure |
| CN208752987U (en) * | 2018-07-11 | 2019-04-16 | 沈阳北方塑力电缆制造有限公司 | Crosslinking polyethylene insulated steel band armored low-smoke non-halogen flame-retardant A class fire-resisting cable |
| CN209543996U (en) * | 2019-04-22 | 2019-10-25 | 四川省万阳电缆有限公司 | Electrician's grade aluminium alloy conductor energy-saving fire proof cable |
| CN210338849U (en) * | 2019-06-13 | 2020-04-17 | 上海偲成生物科技有限公司 | Packaging structure for independently sealing water aqua product |
| CN210443309U (en) * | 2019-09-18 | 2020-05-01 | 福建恒汇电缆有限公司 | Anti-cracking cable |
| CN111354509A (en) * | 2020-05-01 | 2020-06-30 | 黄汝芬 | Umbilical cable system |
-
2020
- 2020-08-13 CN CN202010814778.1A patent/CN112102990A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4645298A (en) * | 1983-07-28 | 1987-02-24 | At&T Bell Laboratories | Optical fiber cable |
| CN101894622A (en) * | 2010-07-28 | 2010-11-24 | 江苏豪威富电气股份有限公司 | Self-bonding mica tape lapped wire with improved structure |
| CN208752987U (en) * | 2018-07-11 | 2019-04-16 | 沈阳北方塑力电缆制造有限公司 | Crosslinking polyethylene insulated steel band armored low-smoke non-halogen flame-retardant A class fire-resisting cable |
| CN209543996U (en) * | 2019-04-22 | 2019-10-25 | 四川省万阳电缆有限公司 | Electrician's grade aluminium alloy conductor energy-saving fire proof cable |
| CN210338849U (en) * | 2019-06-13 | 2020-04-17 | 上海偲成生物科技有限公司 | Packaging structure for independently sealing water aqua product |
| CN210443309U (en) * | 2019-09-18 | 2020-05-01 | 福建恒汇电缆有限公司 | Anti-cracking cable |
| CN111354509A (en) * | 2020-05-01 | 2020-06-30 | 黄汝芬 | Umbilical cable system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223766A (en) * | 2021-05-17 | 2021-08-06 | 柳玉军 | Fireproof cable |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201218 |
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| RJ01 | Rejection of invention patent application after publication |