CN209447576U - B1 grades of flame-proof environmental protection cables of safety fire fighting - Google Patents
B1 grades of flame-proof environmental protection cables of safety fire fighting Download PDFInfo
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- CN209447576U CN209447576U CN201821651805.2U CN201821651805U CN209447576U CN 209447576 U CN209447576 U CN 209447576U CN 201821651805 U CN201821651805 U CN 201821651805U CN 209447576 U CN209447576 U CN 209447576U
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Abstract
The utility model relates to the power transmission cables of field of cable technology, more particularly to a kind of B1 grades of flame-proof environmental protection cables of safety fire fighting, it includes a plurality of insulated core, a plurality of insulated core is twisted into cable core, every insulated wire cores include high purity oxygen free copper conductor and the Ceramic silicon rubber insulating layer being extruded in outside high purity oxygen free copper conductor, low-smoke non-halogen flame-retardant belt is surrounded with outside cable core, it is equipped with inorganic compound fire insulation cooling layer between cable core and low-smoke non-halogen flame-retardant belt, is extruded with ceramic polyolefin jacket outside low-smoke non-halogen flame-retardant belt；The utility model conducts electricity very well, and fire prevention, fire resistance are good.
Description
Technical field
The utility model relates to the power transmission cables of field of cable technology more particularly to a kind of safety fire fighting to be hindered with B1 grades
Fire environment-friendly cable.
Background technique
With the high development of China's economy and the human rights, all orders of society increasingly payes attention to security against fire, fire electricity line
It is increasingly becoming the important development direction of the safe electric energy drive technology of China, according to statistics: China is all kinds of in recent years electrically causes
Fire in, 60% or more is by caused by electric wiring (wire and cable), bringing to personal safety and property can not estimate
The loss of amount；It can be seen that safety fire fighting cable has become the most important thing in safety fire fighting work.
Currently, the common cable in domestic fire-fighting place is mostly halide-free low-smoke fireproof cable, such cable has in a fire
The ability of certain prevention propagation of flame, smoke delivery meets the requirement of 60% light transmittance, but this kind of electricity in combustion process
Cable also has deficiency, influence of the cable in a fire to combustible around is not fully considered, such as Heat liberation unit, density flaming droplet
Deng.
Summary of the invention
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of safety fire fighting B1 grades of flame-proof environmental protections
Cable conducts electricity very well, and fire prevention, fire resistance are good.
To achieve the above object, the utility model adopts the technical scheme that
B1 grades of flame-proof environmental protection cables of a kind of safety fire fighting comprising a plurality of insulated core, a plurality of insulated core are twisted into
Cable core, every insulated wire cores include high purity oxygen free copper conductor 1 and the ceramics that are extruded in outside high purity oxygen free copper conductor 1
SiClx rubber insulation 2, cable core are surrounded with low-smoke non-halogen flame-retardant belt 4 outside, are equipped between cable core and low-smoke non-halogen flame-retardant belt 4
Inorganic compound fire insulation cooling layer 3, low-smoke non-halogen flame-retardant belt 4 are extruded with ceramic polyolefin jacket 5 outside.
Preferably, the ceramic polyolefin jacket 5 is externally provided with metal threaded sheath 6.
Preferably, the metal threaded sheath 6 is copper recoil inserts.
Preferably, including 3 insulated wire cores, 3 insulated wire cores are twisted into cable core, and on the cross section of cable core, 3 thoroughly do away with edge
Core is distributed in a triangle.
Preferably, the inorganic compound fire insulation cooling layer 3 is A1 (OH)3With Mg (OH)2Mixed layer.
B1 grades of flame-proof environmental protection cables of the safety fire fighting of the utility model, high purity oxygen free copper conductor electric conductivity is good,
Greatly promote the electric conductivity of cable；Its Ceramic silicon rubber insulating layer has good insulation and fire resistance, in high temperature sintering
Under can be quickly converted to ceramic substance so that insulated wire cores have splendid insulation performance；The cooling of its inorganic compound fire insulation
Layer can significantly reduce the speed prolonged in flame and high temperature；Its ceramic polyolefin jacket has the spy for not prolonging combustion, Halogen and minuent
Property, it can be converted into ceramic substance under high temperature sintering, can effectively stop external flame and oxygen to enter inside cable；Its ceramics
In a fire, Heat liberation unit is low for SiClx rubber insulation, low-smoke non-halogen flame-retardant band and ceramic polyolefin jacket, and drips without burning
Junk not will cause fire spread on ambient enviroment without influence.In addition, the metal threaded sheath, can stop flame and pendant object
Impact, significantly improve the intensity of the utility model cable, while ground wire and shielded layer can be also served as.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of B1 grades of flame-proof environmental protection cables of the utility model safety fire fighting.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 provides, the B1 grades of fire-retardant rings of safety fire fighting of the utility model are further illustrated
Protect the specific embodiment of cable.The safety fire fighting of the utility model is not limited to following embodiment with B1 grades of flame-proof environmental protection cables
Description.
B1 grades of flame-proof environmental protection cables of the safety fire fighting of the utility model comprising a plurality of insulated core, more insulated wires
Core is twisted into cable core, and every insulated wire cores include high purity oxygen free copper conductor 1 and are extruded in outside high purity oxygen free copper conductor 1
The Ceramic silicon rubber insulating layer 2 in portion, cable core are surrounded with low-smoke non-halogen flame-retardant belt 4, cable core and low-smoke non-halogen flame-retardant belt 4 outside
Between be equipped with inorganic compound fire insulation and cool down layer 3, ceramic polyolefin jacket 5 is extruded with outside low-smoke non-halogen flame-retardant belt 4.
B1 grades of flame-proof environmental protection cables of the safety fire fighting of the utility model, 1 electric conductivity of high purity oxygen free copper conductor is good,
Greatly promote the electric conductivity of cable；Its Ceramic silicon rubber insulating layer 2 has good insulation and fire resistance, burns in high temperature
It can be quickly converted to ceramic substance under burning, so that insulated wire cores have splendid insulation performance；Its inorganic compound fire insulation drop
Warm layer 3 can significantly reduce the speed prolonged in flame and high temperature；Its ceramic polyolefin jacket 5 has and does not prolong combustion, Halogen and minuent
Characteristic, ceramic substance can be converted under high temperature sintering, can effectively stop external flame and oxygen to enter inside cable；Its
In a fire, Heat liberation unit is low for Ceramic silicon rubber insulating layer 2, low-smoke non-halogen flame-retardant band 4 and ceramic polyolefin jacket 5, and
It not will cause fire spread on ambient enviroment without influence without density flaming droplet.
As shown in Figure 1, a kind of embodiment of the B1 grades of flame-proof environmental protection cables of safety fire fighting for the utility model.
As shown in Figure 1, B1 grades of flame-proof environmental protection cables of the safety fire fighting of the utility model comprising 3 insulated wire cores, 3
Root insulated wire cores are twisted into cable core, and every insulated wire cores include high purity oxygen free copper conductor 1 and are extruded in high purity oxygen free copper
Ceramic silicon rubber insulating layer 2 outside conductor 1, cable core are surrounded with low-smoke non-halogen flame-retardant belt 4, low-smoke non-halogen flame-retardant belt outside
It is equipped with inorganic compound fire insulation cooling layer 3 between 4 and cable core, is extruded with ceramic polyolefin shield outside low-smoke non-halogen flame-retardant belt 4
Set 5.
Preferably, the ceramic polyolefin jacket 5 is externally provided with metal threaded sheath 6.It is further preferred that the metal
Recoil inserts 6 is copper recoil inserts.The metal threaded sheath 6 can effectively stop flame and fall the impact of object, significantly improve
The intensity of the utility model cable, while ground wire and shielded layer can be also served as.
Preferably, on the cross section of the cable core, 3 are distributed in a triangle with insulated wire cores.
Preferably, the inorganic compound fire insulation cooling layer 3 is A1 (OH)3With Mg (OH)2Mixed layer.The hydroxide
Aluminium can be decomposed at 150 DEG C~250 DEG C releases water cooling, and magnesium hydroxide can be decomposed at 300 DEG C~400 DEG C releases water cooling, the two cooperation
The internal temperature that utility model cable in this fire can be significantly reduced stops and delays high temperature to the speed spread inside cable,
Significantly improve the utility model fireproofing of cable, fire resistance.
The safety fire fighting of the utility model is also had the following technical effect that with B1 grades of flame-proof environmental protection cables
1, the Ceramic silicon rubber insulating layer 2 replaces conventional plastic to insulate, has good with Ceramic silicon rubber insulation
Insulation, fire-resistance property, under 500 DEG C or more of high temperature and flame ablation, organic principle can be burnt in a short period of time
Erosion is converted to hard ceramic substance, forms one layer of good isolation layer, stops flame combustion, and the ablation time it is longer,
Temperature is higher, and hard effect is more obvious, and heatproof can achieve 1200~1500 DEG C, is a kind of splendid safety fire fighting cable
Material increases substantially the utility model fireproofing of cable, fire resistance.
2, the ceramic polyolefin jacket 5 is had using ceramic polyolefine material and is not prolonged the spies such as combustion, Halogen, low toxicity
Property, it can be converted to hard ceramic substance under high temperature and flame ablation, extraneous flame and oxygen can be stopped to enter cable
Inside further increases the utility model fireproofing of cable, fire resistance.
3, selected nonmetallic materials, all have low-heat burst size under Fire Conditions, the characteristics such as no density flaming droplet, completely
Meet GB 31247 B1 grade combustion requirements.
4,1 electric conductivity of high purity oxygen free copper conductor is good, greatly promotes the electric conductivity of cable.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (2)
1. a kind of B1 grades of flame-proof environmental protection cables of safety fire fighting, which is characterized in that it includes a plurality of insulated core, more insulated wires
Core is twisted into cable core, and every insulated wire cores include high purity oxygen free copper conductor (1) and are extruded in high purity oxygen free copper conductor
(1) external Ceramic silicon rubber insulating layer (2), cable core are surrounded with low-smoke non-halogen flame-retardant belt (4), cable core and low smoke and zero halogen outside
It is equipped with inorganic compound fire insulation cooling layer (3) between fire-retardant belt (4), ceramic is extruded with outside low-smoke non-halogen flame-retardant belt (4)
Polyolefin jacket (5).
2. B1 grades of flame-proof environmental protection cables of safety fire fighting according to claim 1, it is characterised in that: including 3 insulated wires
Core, 3 insulated wire cores are twisted into cable core, and on the cross section of cable core, 3 insulated wire cores are distributed in a triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651805.2U CN209447576U (en) | 2018-10-11 | 2018-10-11 | B1 grades of flame-proof environmental protection cables of safety fire fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651805.2U CN209447576U (en) | 2018-10-11 | 2018-10-11 | B1 grades of flame-proof environmental protection cables of safety fire fighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209447576U true CN209447576U (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821651805.2U Active CN209447576U (en) | 2018-10-11 | 2018-10-11 | B1 grades of flame-proof environmental protection cables of safety fire fighting |
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| CN (1) | CN209447576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634609A (en) * | 2019-10-28 | 2019-12-31 | 山西金广丰线缆有限公司 | Safe environmental protection cable for fire control |
-
2018
- 2018-10-11 CN CN201821651805.2U patent/CN209447576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634609A (en) * | 2019-10-28 | 2019-12-31 | 山西金广丰线缆有限公司 | Safe environmental protection cable for fire control |
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