CN210136738U - High-flame-retardant, long-service-life and high-load low-smoke halogen-free building cloth wire - Google Patents
High-flame-retardant, long-service-life and high-load low-smoke halogen-free building cloth wire Download PDFInfo
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- CN210136738U CN210136738U CN201921306369.XU CN201921306369U CN210136738U CN 210136738 U CN210136738 U CN 210136738U CN 201921306369 U CN201921306369 U CN 201921306369U CN 210136738 U CN210136738 U CN 210136738U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model discloses a high flame-retardant, long-life and high-load low-smoke halogen-free building wiring, in particular to the technical field of wiring, which comprises a wire core positioned in the middle part of the wiring and an outer sheath positioned at the outermost side of the wiring, wherein the outer side of the wire core is tightly attached and coated with an insulating layer, the inner side of the outer sheath is tightly attached and coated with an inner protective layer, and the inner protective layer is tightly adhered and matched with the outer side of the insulating layer; the insulation layer comprises a fire-resistant layer uniformly wrapped on the outer side of the wire core, the fire-resistant layer is a double-sided synthetic mica tape made of a mica tape machine, and the outer side of the fire-resistant layer is tightly wrapped with insulation plastics; the inner protection layer comprises an inner lining layer which is tightly bonded and matched with the outer side of the insulating plastic, a reinforcing core is arranged on the outer side of the inner lining layer, and a steel belt is wound on the outer side of the reinforcing core; compared with the prior art, the utility model, this cloth electric wire fire behaviour is good and be difficult for producing poison gas and a large amount of flue gas and anti mechanical properties high service life.
Description
Technical Field
The utility model relates to the technical field of electric wire, more specifically say, the utility model relates to a low smoke and zero halogen building cloth electric wire of high fire-retardant high life high load.
Background
The wiring is also called BV wire, plastic copper wire for short, polyvinyl chloride insulation copper core wire, is suitable for cable wires with alternating voltage of 450/750V and below for power devices, daily electric appliances, instruments and telecommunication equipment, is most applied to building power distribution systems, and the comprehensive performance of the wiring is particularly important.
Most of coating layers of the electric wires in the prior art are made of polyethylene, polyvinyl chloride or thermoplastic polyurethane, and when the electric wires are on fire, chlorine-containing plastics can release toxic hydrogen chloride to generate a large amount of smoke, and when the electric wires meet water, hydrochloric acid can be generated, so that the flame retardant effect is not good, and meanwhile, the service life is short.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a high fire-retardant high life high load low smoke and zero halogen building cloth electric wire, linear PE and elasticity PE that the two-sided synthetic mica tape and the oversheath that adopt through the sinle silk outside were wrapped are main resin, fire-retardant material chooses for use three kinds to contain the crystal water and be respectively 200 ℃, 300 ℃, the metal oxide that loses the crystal water above 300 ℃, make the cloth electric wire have better fire resistance, and do not produce poison gas and flue gas in the combustion process, oversheath mechanical properties is good simultaneously and can protect inner sheath and inside structure to avoid the steel band structure in the external influence inner liner to have complete imperviousness, can prevent that moisture and other harmful substance from entering the cable insulation inside, compare in prior art, this cloth electric wire flame retardant property is good and long service life.
In order to achieve the above object, the utility model provides a following technical scheme: a high-flame-retardance, long-service-life and high-load low-smoke halogen-free building wiring comprises a wire core and an outer sheath, wherein the wire core is positioned in the middle of the wiring and the outer sheath is positioned on the outermost side of the wiring and the outer sheath is tightly attached and coated with an insulating layer, the inner side of the outer sheath is tightly attached and coated with an inner protection layer, and the inner protection layer is tightly adhered and matched with the;
the insulation layer comprises a fire-resistant layer uniformly wrapped on the outer side of the wire core, the fire-resistant layer is a double-sided synthetic mica tape made of a mica tape machine, and the outer side of the fire-resistant layer is tightly wrapped with insulation plastics;
the inner protection layer comprises an inner liner which is tightly adhered and matched with the outer side of the insulating plastic, a reinforcing core is arranged on the outer side of the inner liner, and a steel belt is wound on the outer side of the reinforcing core.
In a preferred embodiment, the steel strip is of the type cold rolled steel strip and the outer side of the steel strip fits snugly against the inner side of the outer sheath.
In a preferred embodiment, the outer sheath is made of linear PE and elastic PE as main resins, and the flame retardant material is made of three metal oxides containing crystal water and losing the crystal water at 200 ℃, 300 ℃ and above 300 ℃.
In a preferred embodiment, the insulating plastic is made of a cross-linked polyethylene material that is foamed.
In a preferred embodiment, the wire core is made of several stranded copper wires, and the diameter of the individual copper wires in the wire core is 0.1-1.0 mm.
In a preferred embodiment, the outer sheath is symmetrically and fixedly provided with clamping grooves and clamping lugs along the outer side walls of two sides in the horizontal direction.
In a preferred embodiment, the clamping convex blocks correspond to the clamping grooves, and two adjacent distributing wires are arranged side by means of the clamping convex blocks and the clamping grooves being embedded.
In a preferred embodiment, the outer side walls of the outer sheath at two sides in the vertical direction are fixedly provided with uniformly distributed T-shaped protrusions.
The utility model discloses a technological effect and advantage:
1. the double-sided synthetic mica tape wrapped outside the wire core and the linear PE and elastic PE adopted by the outer sheath are main resins, the flame retardant material selects three metal oxides containing crystal water and losing the crystal water at the temperature of more than 200 ℃, 300 ℃ and 300 ℃, so that the wire distribution wire has better flame retardance, toxic gas and smoke are not generated in the combustion process, meanwhile, the outer sheath has good mechanical property, can protect the inner protection layer and the inner structure from being influenced by the outside, has complete impermeability of the steel belt structure in the inner liner, can prevent moisture and other harmful substances from entering the cable insulation, and has good flame retardant property and long service life compared with the prior art;
2. the clamping grooves and the clamping convex blocks are symmetrically arranged on the outer side of the outer sheath, the clamping convex blocks correspond to the clamping grooves, when the wiring is used for a power distribution system in a building, the wiring between adjacent wirings can be arranged side by side in the horizontal direction or in the vertical direction by embedding the clamping convex blocks on one of the outer sheaths of the wiring and the clamping grooves on the other outer sheath of the wiring mutually, compared with the prior art, the wiring installation tool is not needed, and the wiring installation speed can also be improved.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a perspective view of the insulating layer of the present invention.
Fig. 3 is a perspective view of the outer sheath of the present invention.
Fig. 4 is a sectional view of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 4 according to the present invention.
The reference signs are: 1. a wire core; 2. an outer sheath; 3. an insulating layer; 301. a refractory layer; 302. insulating plastic; 4. an inner protective layer; 401. an inner liner layer; 402. a reinforcing core; 403. a steel belt; 5. clamping the groove; 6. clamping the convex block; 7. t-shaped bulges.
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.
The utility model provides a high flame-retardant, long-life and high-load low-smoke halogen-free building cloth wire as shown in figures 1-3, which comprises a wire core 1 positioned in the middle part of the cloth wire and an outer sheath 2 positioned at the outermost side of the cloth wire, wherein the outer side of the wire core 1 is tightly attached and coated with an insulating layer 3, the inner side of the outer sheath 2 is tightly attached and coated with an inner protective layer 4, and the inner protective layer 4 is tightly adhered and matched with the outer side of the insulating layer 3;
the insulating layer 3 comprises a fire-resistant layer 301 uniformly wrapped on the outer side of the wire core 1, the fire-resistant layer 301 is a double-faced synthetic mica tape made of a mica tape machine, and the outer side of the fire-resistant layer 301 is tightly wrapped with insulating plastics 302;
the inner protective layer 4 comprises a lining layer 401 tightly adhered to the outer side of the insulating plastic 302, a reinforcing core 402 is arranged on the outer side of the lining layer 401, and a steel belt 403 is wound on the outer side of the reinforcing core 402;
the type of the steel strip 403 is a cold-rolled steel strip 403, and the outer side of the steel strip 403 is in close fit with the inner side of the outer sheath 2;
the outer sheath 2 is made of linear PE and elastic PE as main resins, and the flame retardant material is made of three metal oxides which contain crystal water and lose the crystal water at 200 ℃, 300 ℃ and above 300 ℃;
the insulating plastic 302 is made of a cross-linked polyethylene material through foaming;
the wire core 1 is formed by twisting a plurality of copper wires, and the diameter of each copper wire in the wire core 1 is 0.1-1.0 mm.
The implementation mode is specifically as follows: the cable core 1 is formed by twisting a plurality of copper wires, then a plurality of flame retardant coatings 301 are wrapped on the outer side of the cable core 1, the flame retardant coatings 301 are made of double-sided synthetic mica tapes, and have excellent high temperature resistance and combustion resistance, and basically no volatilization of harmful smoke exists when the cable core is burnt in open fire, so that the product is not only effective but also safe when used for a cable, then the outer side of the flame retardant coatings 301 is tightly coated with insulating plastics 302, and the insulating plastics 302 are made of crosslinked polyethylene materials, have good mechanical properties and heat resistance, do not contain halogen, and do not generate toxic gas and smoke during burning;
the outer side of the insulating plastic 302 is an inner protective layer 4, the inner protective layer 401 is tightly attached to the insulating plastic 302 and is formed by impregnating a layer of pre-impregnated linen soft fabric with a material coated with 95% of asphalt and 5% of dry asphalt, the outer side of the inner liner 401 is sequentially provided with a reinforcing core 402 and a steel strip 403, the steel strip 403 is a cold-rolled steel strip 403 used for reducing the influence of mechanical force on a cable and has complete water impermeability, water and other harmful substances can be prevented from entering the insulating interior of the cable, finally, the outermost side is an outer protective sleeve 2 used for protecting the inner protective layer 4 and the structure inside from the outside, most importantly, the outer protective sleeve 2 is made of linear PE and elastic PE as main resins, the flame-retardant material is made of three metal oxides containing crystal water and losing the crystal water at the temperature of more than 200 ℃, 300 ℃ and 300 ℃, and when the combustion temperature is higher, crystal water can be separated out, further, the spread of fire disasters can be inhibited, halogen is not contained, toxic gas and a large amount of smoke can not be generated, the embodiment specifically solves the problems that in the prior art, most of coating layers of the electric wires are made of polyethylene, polyvinyl chloride or thermoplastic polyurethane, chlorine-containing plastics can release toxic hydrogen chloride and generate a large amount of smoke when the electric wires are ignited, hydrochloric acid can be generated when water is encountered, the flame retardant effect is not good, and meanwhile, the service life is short.
The utility model provides a high flame-retardant, long-life, high-load, low-smoke and halogen-free building wiring wire as shown in figures 4 and 5, wherein the outer sheath 2 is symmetrically and fixedly provided with clamping grooves 5 and clamping lugs 6 along the outer side walls of two sides in the horizontal direction;
the clamping lug 6 corresponds to the clamping groove 5, and two adjacent electric wires are embedded with the clamping groove 5 through the clamping lug 6 and are arranged side by side;
the outer sheath 2 is fixedly provided with T-shaped bulges 7 which are uniformly distributed along the outer side walls of two sides in the vertical direction.
The implementation mode is specifically as follows: the bilateral symmetry along the horizontal direction in the outside of oversheath 2 is equipped with joint recess 5 and joint lug 6, joint lug 6 is corresponding with joint recess 5, when this distribution wire is used for the distribution system in the building, distribution wire between adjacent accessible one of them distribution wire oversheath 2 on joint lug 6 and another distribution wire oversheath 2 on joint recess 5 looks gomphosis and realize being the horizontal direction each other and set up side by side or the vertical direction set up side by side, and need not with the help of other joint instrument, and the speed of installation wiring also can be improved, this embodiment has specifically solved the problem that different distribution wire wiring in-process among the prior art need lead to the inconvenient operation with the help of instrument joint in addition.
The utility model discloses the theory of operation:
referring to the attached drawings 1-3 of the specification, a wire core 1 is firstly formed by twisting a plurality of copper wires, then a plurality of layers of flame retardant coatings 301 are wrapped around the outer side of the wire core 1, the flame retardant coatings 301 are made of double-sided synthetic mica tapes, and have excellent high temperature resistance and combustion resistance, and basically no volatilization of harmful smoke exists when the flame retardant coatings are burnt in case of naked fire, so that the product is not only effective and very safe when used for a cable, but also the outer side of the flame retardant coatings 301 are tightly wrapped with insulating plastics 302, and the insulating plastics 302 are made of cross-linked polyethylene materials, have good mechanical property and heat resistance, do not contain halogen, and do not generate toxic gas and smoke when burnt;
the outer side of the insulating plastic 302 is an inner protection layer 4, the inner lining layer 401 is closely attached to the insulating plastic 302, meanwhile, the outer side of the inner lining layer 401 is sequentially provided with a reinforcing core 402 and a steel strip 403, the steel strip 403 is a cold-rolled steel strip 403 used for reducing the influence of mechanical force on a cable and has complete impermeability, moisture and other harmful substances can be prevented from entering the insulating interior of the cable, finally, the outermost side is an outer sheath 2 used for protecting the inner protection layer 4 and the structure of the interior from the outside, most importantly, the outer sheath 2 is made of linear PE and elastic PE as main resins, three metal oxides containing crystal water and losing the crystal water at the temperature of 200 ℃, 300 ℃ and above are selected as flame retardant materials, when the combustion temperature is higher, the crystal water can be separated out to further inhibit the spread of fire, and no halogen is contained, and toxic gas and a large amount of;
referring to the attached drawings 4 and 5 in the specification, clamping grooves 5 and clamping lugs 6 are symmetrically arranged on the outer side of the outer sheath 2 along the two sides in the horizontal direction, the clamping lugs 6 correspond to the clamping grooves 5, when the wiring is used for a power distribution system in a building, the adjacent wiring can be arranged side by side in the horizontal direction or in the vertical direction by embedding the clamping lugs 6 on one wiring outer sheath 2 and the clamping grooves 5 on the other wiring outer sheath 2, no other clamping tool is needed, and the wiring installation speed can be improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high fire-retardant high-life high-load low smoke and zero halogen building cloth electric wire, includes sinle silk (1) that are located cloth electric wire intermediate part and is located outer sheath (2) of cloth electric wire outside, its characterized in that: the outer side of the wire core (1) is tightly attached and coated with an insulating layer (3), the inner side of the outer sheath (2) is tightly attached and coated with an inner protection layer (4), and the inner protection layer (4) is tightly adhered and matched with the outer side of the insulating layer (3);
the insulation layer (3) comprises a fire-resistant layer (301) uniformly wrapped on the outer side of the wire core (1), the fire-resistant layer (301) is a double-faced synthetic mica tape made of a mica tape machine, and the outer side of the fire-resistant layer (301) is tightly wrapped with insulation plastics (302);
interior sheath (4) include with the outside of insulating plastics (302) tight adhesion fit's inner liner (401), the outside of inner liner (401) is provided with reinforced core (402), the outside of reinforced core (402) has steel band (403) around the package.
2. The high flame retardant, long life, high load, low smoke, zero halogen building cloth wire of claim 1, characterized in that: the steel strip (403) is a cold-rolled steel strip (403), and the outer side of the steel strip (403) is in close fit with the inner side of the outer sheath (2).
3. The high flame retardant, long life, high load, low smoke, zero halogen building cloth wire of claim 1, characterized in that: the insulating plastic (302) is made of a cross-linked polyethylene material through foaming.
4. The high flame retardant, long life, high load, low smoke, zero halogen building cloth wire of claim 1, characterized in that: the cable core (1) is formed by twisting a plurality of copper wires, and the diameter of each copper wire in the cable core (1) is 0.1-1.0 mm.
5. The high flame retardant, long life, high load, low smoke, zero halogen building cloth wire of claim 1, characterized in that: the outer sheath (2) is symmetrically and fixedly provided with clamping grooves (5) and clamping lugs (6) along the outer side walls of the two sides in the horizontal direction.
6. The high flame retardant, long life, high load, low smoke, zero halogen building cloth wire of claim 5, characterized in that: the clamping convex block (6) corresponds to the clamping groove (5), and two adjacent electric wires are embedded with the clamping groove (5) through the clamping convex block (6) and are arranged side by side.
7. The high flame retardant, long life, high load, low smoke, zero halogen building cloth wire of claim 1, characterized in that: the outer sheath (2) is fixedly provided with evenly distributed T-shaped bulges (7) along the outer side walls of two sides in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306369.XU CN210136738U (en) | 2019-08-13 | 2019-08-13 | High-flame-retardant, long-service-life and high-load low-smoke halogen-free building cloth wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921306369.XU CN210136738U (en) | 2019-08-13 | 2019-08-13 | High-flame-retardant, long-service-life and high-load low-smoke halogen-free building cloth wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210136738U true CN210136738U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921306369.XU Active CN210136738U (en) | 2019-08-13 | 2019-08-13 | High-flame-retardant, long-service-life and high-load low-smoke halogen-free building cloth wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210136738U (en) |
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2019
- 2019-08-13 CN CN201921306369.XU patent/CN210136738U/en active Active
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