CN207529693U - Low smoke, zero halogen flexible mineral matter insulated cable - Google Patents
Low smoke, zero halogen flexible mineral matter insulated cable Download PDFInfo
- Publication number
- CN207529693U CN207529693U CN201720887905.4U CN201720887905U CN207529693U CN 207529693 U CN207529693 U CN 207529693U CN 201720887905 U CN201720887905 U CN 201720887905U CN 207529693 U CN207529693 U CN 207529693U
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- insulating layer
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- low smoke
- zero halogen
- conductor
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Abstract
The utility model proposes a kind of low smoke, zero halogen flexible mineral matter insulated cables, including core, shielded layer and restrictive coating, and flame retardant filler, the core is equally distributed four groups, every group includes conductor and insulating layer, and every group of conductor is all twisted-pair feeder, the surface of the twisted paired conductor is covered with the first insulating layer, and the first surface of insulating layer is covered with first screen layer；The flame retardant filler wrapped up is equipped between each group core, secondary shielding layer is provided with outside the flame retardant filler, second insulating layer is provided in the secondary shielding layer surface, the second insulating layer is outer to be equipped with copper mesh woven shield, irradiation insulating layer and restrictive coating with this, and the restrictive coating is low smoke, zero halogen irradiation cross-linking flame-retardant polyolefin jacket.The conductor of the utility model has reached preferable effect in pliability, and meets the requirement of frequency conversion；And first semi-conductive shield for passing through setting etc. realizes preferable shield effectiveness, and stable structure is firm, and durability is good.
Description
Technical field
The utility model is related to field of cables, particularly relate to a kind of low smoke, zero halogen flexible mineral matter insulated cable.
Background technology
Electric wire has the function of power Transmission and information conveyance, and important work is played in people live and produce
With.Low cigarette, low toxicity are designed and prepared, while but also with excellent fire-retardancy and the CABLE MATERIALS of insulation performance, becomes current fire-retardant
The hot spot of research.Traditional magnesium hydroxide and aluminium hydroxide based flame retardant, although can assign material good flame retardant property,
It is, since the matrix resin of most of CABLE MATERIALSs is nonpolar polyolefin macromolecular, magnesium hydroxide, hydroxide with polarity
The compatibility of aluminium is poor, often reduces the mechanical property and processing performance of material.Work out both have good flame retardant property,
There is environmental-protecting performance simultaneously, good machining property, preferable insulation performance CABLE MATERIALS material become CABLE MATERIALS development
Direction, the present invention substantially increase the compatibility of storeroom, improve the machining property of CABLE MATERIALS by adding modified filler
The anti-flaming environment-friendly of CABLE MATERIALS is also assured while energy.
With the fast development of global economy and the enhancing of mankind's environmental consciousness, each field to the quality of electric wire and
The requirement of performance is higher and higher, because electric wire, cable aging due to the fire that causes it is also more and more, how to reduce the generation of fire
Rate and occur fire when the death rate, low cigarette, Halogen, environmental protection also become wires and cables industry developing direction.Wherein Halogen
The demand of low smoke cables material is increasing.
Mineral insulated cable (Mineral Insulated Cable) abbreviation MI cables.It can divide by architectural characteristic at present
For two kinds of rigidity and flexibility.Rigid mineral insulated cable (BTTZ) is Switzerland engineer Arnold Francois at the end of the 19th century
The imagination that Borel is proposed, and in patented power in 1896,1934-1936 methods, English have developed rapidly after putting into production.I
State also develops in the sixties in last century, starts for military field, the mid-80 starts industrialized production, and is gradually built
Field is built comprehensively to receive.
Flexible mineral insulation cable (BBTRZ) is by copper stranded conductor, mineral compound insulation and mineral compound sheath institute structure
Into.Its structural flexibility, main material using inorganic material, compensate for hard structure, easy firing, it is toxic the defects of, it also has
Some other cables can not possibly have the advantage that, such as：Fire resisting, current-carrying capacity are big, the damage of impact resistance voltage, mechanical resistant, Halogen without
Malicious, explosion-proof, waterproof, corrosion-resistant, long lifespan, safety, resistant to overload, it is at low cost the features such as.Because of flexible mineral insulation cable (BBTRZ)
The running temperature that works is 70 DEG C~90 DEG C, and 130 DEG C of requirements above are not achieved, can not play high temperature resistant, fireproof function.
Utility model content
The utility model proposes a kind of low smoke, zero halogen flexible mineral matter insulated cable, wear-resisting, Halogen, resistance to can be realized
The multiple functions such as high temperature, fire prevention.
What the technical solution of the utility model was realized in：A kind of low smoke, zero halogen flexible mineral matter insulated cable,
Including core, shielded layer and restrictive coating and flame retardant filler, the core is equally distributed four groups, and every group includes conductor
And insulating layer, and every group of conductor is all twisted-pair feeder, the surface of the twisted paired conductor is covered with the first insulating layer, the first insulating layer
Surface is covered with first screen layer；The flame retardant filler wrapped up is equipped between each group core, is set outside the flame retardant filler
There is secondary shielding layer, second insulating layer is provided in the secondary shielding layer surface, the second insulating layer is outer to be equipped with copper with this
Net woven shield, irradiation insulating layer and restrictive coating, the restrictive coating are low smoke, zero halogen irradiation cross-linking flame-retardant polyolefin jacket.
Preferably, first insulating layer is prevents fires, twining package tape overlapping is wrapped to be formed, and second insulating layer is low smoke, zero halogen
Radiation Crosslinked Polyethylene is made.
Preferably, the low smoke, zero halogen irradiation cross-linking flame-retardant polyolefin, including following component：Polyurethane thermoplastic elasticity
Body, POE elastomers, aluminium hydroxide, soft strong agent, acrylic resin, hypo-aluminum orthophosphate, zinc borate, ammonium molybdate, antioxidant, Epoxy oil
Acid butyl ester, carbon black, precipitated calcium carbonate.
Compared with prior art, the utility model has the advantage of：Conductor has reached preferable effect in pliability, and
And meet the requirement of frequency conversion；And first semi-conductive shield for passing through setting etc. realizes preferable shield effectiveness, Er Qiejie
Structure stable strong, durability is good, the low smoke, zero halogen irradiation cross-linking flame-retardant polyolefin sheath layer that is equipped with and set on low smoke, zero halogen spoke
There is ethylene-tetrafluoroethylene copolymer resin layer according in cross-linking flame-retardant polyolefin sheath layer so that the utility model has preferably
Smokeless, fire-retardant and wear-resistant characteristic.CABLE MATERIALS is prepared by raw material of the fire retardant, is avoided bad, stable there are compatibility
Property it is poor the problems such as, can cause prepare CABLE MATERIALS mechanical performance decline it is larger the problem of.Gained CABLE MATERIALS intensity is big, wear-resisting
Low cigarette, it is fire-retardant.Product properties meet JG/T313-2014《Rated voltage 0.6/1KV and following metal sheath inorganic mineral
Insulated cable and terminal》Standard and BS 6387:2013《Cable is in the fire test side that circuit integrality is kept under the conditions of by fire
Method》It is required that the service life of product is effectively ensured, mounting and installation is convenient, is entirely capable of the items for meeting low pressure fire proof power cable
Performance requirement.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：1st, conductor；2nd, the first insulating layer；3rd, first screen layer；4th, flame retardant filler；5th, secondary shielding layer；6th,
Two insulating layers；7th, copper mesh woven shield；8th, insulating layer is irradiated；9th, restrictive coating.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the reality of the utility model part of the embodiment rather than whole
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment：Referring to Fig. 1,
A kind of low smoke, zero halogen flexible mineral matter insulated cable including core, shielded layer and restrictive coating and fire-retardant is filled out
Object is filled, the core is equally distributed four groups, and every group includes conductor and insulating layer, and every group of conductor is all twisted-pair feeder, institute
The surface for stating twisted paired conductor is covered with the first insulating layer, and the first surface of insulating layer is covered with first screen layer；It is set between each group core
There is a flame retardant filler wrapped up, be provided with secondary shielding layer outside the flame retardant filler, in the secondary shielding layer surface
Second insulating layer is provided with, the second insulating layer is outer to be equipped with copper mesh woven shield, irradiation insulating layer and restrictive coating, institute with this
Restrictive coating is stated as low smoke, zero halogen irradiation cross-linking flame-retardant polyolefin jacket.
Preferably, first insulating layer is prevents fires, twining package tape overlapping is wrapped to be formed, and second insulating layer is low smoke, zero halogen
Radiation Crosslinked Polyethylene is made.
Preferably, the low smoke, zero halogen irradiation cross-linking flame-retardant polyolefin, including following component：Polyurethane thermoplastic elasticity
Body, POE elastomers, aluminium hydroxide, soft strong agent, acrylic resin, hypo-aluminum orthophosphate, zinc borate, ammonium molybdate, antioxidant, Epoxy oil
Acid butyl ester, carbon black, precipitated calcium carbonate.
Compared with prior art, the utility model has the advantage of：Conductor has reached preferable effect in pliability, and
And meet the requirement of frequency conversion；And first semi-conductive shield for passing through setting etc. realizes preferable shield effectiveness, Er Qiejie
Structure stable strong, durability is good, the low smoke, zero halogen irradiation cross-linking flame-retardant polyolefin sheath layer that is equipped with and set on low smoke, zero halogen spoke
There is ethylene-tetrafluoroethylene copolymer resin layer according in cross-linking flame-retardant polyolefin sheath layer so that the utility model has preferably
Smokeless, fire-retardant and wear-resistant characteristic.CABLE MATERIALS is prepared by raw material of the fire retardant, is avoided bad, stable there are compatibility
Property it is poor the problems such as, can cause prepare CABLE MATERIALS mechanical performance decline it is larger the problem of.Gained CABLE MATERIALS intensity is big, wear-resisting
Low cigarette, it is fire-retardant.Product properties meet JG/T313-2014《Rated voltage 0.6/1KV and following metal sheath inorganic mineral
Insulated cable and terminal》Standard and BS 6387:2013《Cable is in the fire test side that circuit integrality is kept under the conditions of by fire
Method》It is required that the service life of product is effectively ensured, mounting and installation is convenient, is entirely capable of the items for meeting low pressure fire proof power cable
Performance requirement.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (2)
1. a kind of low smoke, zero halogen flexible mineral matter insulated cable, including core, shielded layer and restrictive coating and flame resistant filler
Object, it is characterised in that：The core is equally distributed four groups, and every group includes conductor and insulating layer, and every group of conductor is all
Twisted-pair feeder, the surface of the twisted paired conductor are covered with the first insulating layer, and the first surface of insulating layer is covered with first screen layer；Each group line
The flame retardant filler wrapped up is equipped between core, secondary shielding layer, the secondary shielding are provided with outside the flame retardant filler
Be provided with second insulating layer in layer surface, be equipped with successively outside the second insulating layer copper mesh woven shield, irradiation insulating layer and
Restrictive coating, the restrictive coating are low smoke, zero halogen irradiation cross-linking flame-retardant polyolefin jacket.
2. low smoke, zero halogen flexible mineral matter insulated cable according to claim 1, it is characterised in that：Described first absolutely
To prevent fires, twining package tape overlapping is wrapped to be formed edge layer, and second insulating layer is made of low smoke, zero halogen Radiation Crosslinked Polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887905.4U CN207529693U (en) | 2017-07-20 | 2017-07-20 | Low smoke, zero halogen flexible mineral matter insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887905.4U CN207529693U (en) | 2017-07-20 | 2017-07-20 | Low smoke, zero halogen flexible mineral matter insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529693U true CN207529693U (en) | 2018-06-22 |
Family
ID=62574625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720887905.4U Expired - Fee Related CN207529693U (en) | 2017-07-20 | 2017-07-20 | Low smoke, zero halogen flexible mineral matter insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207529693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285620A (en) * | 2017-07-20 | 2019-01-29 | 四川鸿鑫国泰电缆有限责任公司 | Low smoke, zero halogen flexible mineral matter insulated cable |
-
2017
- 2017-07-20 CN CN201720887905.4U patent/CN207529693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285620A (en) * | 2017-07-20 | 2019-01-29 | 四川鸿鑫国泰电缆有限责任公司 | Low smoke, zero halogen flexible mineral matter insulated cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20190720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |