CN203826094U - Environment-friendly flame-retardant control cable specialized for lift way - Google Patents
Environment-friendly flame-retardant control cable specialized for lift way Download PDFInfo
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- CN203826094U CN203826094U CN201420202198.7U CN201420202198U CN203826094U CN 203826094 U CN203826094 U CN 203826094U CN 201420202198 U CN201420202198 U CN 201420202198U CN 203826094 U CN203826094 U CN 203826094U
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- flame
- retardant
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- retardant layer
- halogen
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Abstract
The utility model discloses an environment-friendly flame-retardant control cable specialized for a lift way. The cable comprises a wire core formed by twisting a plurality of conductors. The wire core is sequentially coated with, from internal to external, an insulating layer, a fireproof layer, an inner metal flame-retardant layer, an inner flame-retardant layer, an outer metal flame-retardant layer and an outer sheath flame-retardant layer. The fireproof layer is a double-layer mica tape layer, and the two layers of the mica tape layer have opposite wrapping directions. The inner flame-retardant layer and the outer sheath flame-retardant layer are both low-smoke halogen-free layers. The inner metal flame-retardant layer and the outer metal flame-retardant layer are made of oxygen-free soft copper wires, tinned soft copper wires or silvered soft copper wires. According to the utility model, the two flame-retardant layers and two metal flame-retardant layers are alternatively arranged, so that the cable has good flame-retardant properties; and the two flame-retardant layers are both low-smoke halogen-free layers, and do not generate large amounts of halogen-containing toxic gases, so that the safety of people in fire is ensured, and secondary losses caused by corrosion of gasses containing corrosive elements, such as halogen, on buildings, equipment and instruments are prevented. Thus, the cable provided by the utility model caters to the environmental themes of today's society.
Description
Technical field
The utility model relates to elevator cable field, particularly a kind of environmental protection flame retardant elevator hoistways Special control cable.
Background technology
The effect of elevator-well control cable is responsible for accepting switching signal in hoistway and is used, such as well lighting, limit switch, limit switch, speed reducing switch, lead to phone, buffer switch, expansion tightening wheel switch, pit overhaul switch at the bottom of sedan-chair, lead to door lock, the calling signal of every layer, these circuits are all the lift well cables walked.
And the core of current cable for elevator shaft is mostly by steel wire, nylon rope, fibrous, sheath is made by PVC material, although tensile strength and pliability are very strong, but cannot prevent the burning of flame, it is when fire occurs, and sheath easily burns, generation contains the pernicious gases such as halogen, human body sucks after these toxic gases, within very short time, will cause death by suffocation, reduces the chance of personnel escape in fire.Moreover the gas that contains the corrosivity compositions such as halogen producing during fire causes corrosion to building, equipment, instrument etc., produce quadratic loss, do not meet the environmental protection theme of society.
Utility model content
The purpose of this utility model easily produces deficiency and the defect of halogen-containing pernicious gas while being the poor and burning of the fire protecting performance for existing elevator-well control cable, provides a kind of environmental protection flame retardant elevator hoistways Special control cable, to address the above problem.
The technical problem that the utility model solves can realize by the following technical solutions:
Environmental protection flame retardant elevator hoistways Special control cable, comprise by the stranded core forming of some conductors, on described core, be coated successively from the inside to the outside as insulating barrier, fireprotection layer, interior metal flame-retardant layer, interior flame-retardant layer, outer metal flame-retardant layer, oversheath flame-retardant layer, described fireprotection layer is double-deck mica belt, the lapping direction of each mica belt is contrary, described interior flame-retardant layer and oversheath flame-retardant layer are low-smoke non-halogen flame-retardant layer, and described interior metal flame-retardant layer, described outer metal flame-retardant layer are anaerobic soft copper silk or zinc-plated soft copper silk or silver-plated soft copper silk.
In preferred embodiment of the utility model, described insulating barrier is the crosslinked low smoke halogen-free flame-retardant polyolefin insulating barrier of process electron accelerator irradiation.
Owing to having adopted technical scheme as above, double-deck flame-retardant layer and double-level-metal flame-retardant layer that interior flame-retardant layer of the present utility model, oversheath flame-retardant layer form are alternately stacked, there is good fire resistance, and double-deck flame-retardant layer all adopts low-smoke non-halogen flame-retardant layer, it can not produce a large amount of halogen-containing toxic gases after burning, both ensured the personal security in fire, also avoid the gas that contains the corrosivity compositions such as halogen to cause the corrosion quadratic loss that produces to building, equipment, instrument etc., met the environmental protection theme of society.And double-level-metal flame-retardant layer all adopts soft copper silk to make, and has both promoted flame retardant rating, does not also affect the bending property of cable.Moreover the lapping direction of each mica belt of double-deck mica belt is contrary, one deck be left around, another layer be right around, mutually filled up the gap between the twining package tape that each stratus master tape layer is adjacent, prevent that fire from directly burning to internal layer core, improve flame retardant rating.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of embodiment of the utility model environmental protection flame retardant elevator hoistways Special control cable.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Shown in Figure 1, environmental protection flame retardant elevator hoistways Special control cable comprises by the stranded core forming 10 of some conductors 11, is coated successively from the inside to the outside as insulating barrier 20, fireprotection layer 30, interior metal flame-retardant layer 40, interior flame-retardant layer 50, outer metal flame-retardant layer 60, oversheath flame-retardant layer 70 on core 10.Fireprotection layer 30 is double-deck mica belt 31,32, the lapping direction of each mica belt 31,32 is contrary, be one deck mica belt 31 be left around, another stratus master tape layer 32 be right around, mutually filled up the gap between the twining package tape that each stratus master tape layer 31,32 is adjacent, prevent that flame from directly burning to internal layer core, improve flame retardant rating.
Double-deck flame-retardant layer and double-level-metal flame-retardant layer 40,60 that interior flame-retardant layer 50, oversheath flame-retardant layer 70 form are alternately stacked, there is good fire resistance, and double-deck flame-retardant layer 50,70 all adopts low-smoke non-halogen flame-retardant layer, it can not produce a large amount of halogen-containing toxic gases after burning, both ensured the personal security in fire, also avoid the gas that contains the corrosivity compositions such as halogen to cause the corrosion quadratic loss that produces to building, equipment, instrument etc., met the environmental protection theme of society.
Interior metal flame-retardant layer 40, outer metal flame-retardant layer 60 are anaerobic soft copper silk or zinc-plated soft copper silk or silver-plated soft copper silk, the double-level-metal flame-retardant layer that interior metal flame-retardant layer 40, outer metal flame-retardant layer 60 form had both improved the fire resistance of cable, did not also affect the bending property of cable.
In the present embodiment, insulating barrier 20 is the crosslinked low smoke halogen-free flame-retardant polyolefin insulating barrier of process electron accelerator irradiation, and existing good insulation property, also have low-smoke non-halogen flame-retardant simultaneously, have further improved the fire resistance of cable, meet the requirement of environmental protection.
Cable of the present utility model can bear flame one rapid lapse of time burning in fire, guarantee the elevator cable system open circuit fault that is not short-circuited, keep burning in a period of time not damage cable core 10, sexual behavior part is unlikely to blast, guarantee that personnel have regular hour safe escape, contribute to fire extinguishing and reduce the loss.Even if can not produce a large amount of halogen-containing toxic gases after cable fire yet.
Claims (2)
1. environmental protection flame retardant elevator hoistways Special control cable, comprise by the stranded core forming of some conductors, it is characterized in that, on described core, be coated successively from the inside to the outside as insulating barrier, fireprotection layer, interior metal flame-retardant layer, interior flame-retardant layer, outer metal flame-retardant layer, oversheath flame-retardant layer, described fireprotection layer is double-deck mica belt, the lapping direction of each mica belt is contrary, described interior flame-retardant layer and oversheath flame-retardant layer are low-smoke non-halogen flame-retardant layer, and described interior metal flame-retardant layer, described outer metal flame-retardant layer are anaerobic soft copper silk or zinc-plated soft copper silk or silver-plated soft copper silk.
2. environmental protection flame retardant elevator hoistways Special control cable as claimed in claim 1, is characterized in that, described insulating barrier is the crosslinked low smoke halogen-free flame-retardant polyolefin insulating barrier of process electron accelerator irradiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202198.7U CN203826094U (en) | 2014-04-24 | 2014-04-24 | Environment-friendly flame-retardant control cable specialized for lift way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202198.7U CN203826094U (en) | 2014-04-24 | 2014-04-24 | Environment-friendly flame-retardant control cable specialized for lift way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826094U true CN203826094U (en) | 2014-09-10 |
Family
ID=51481568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420202198.7U Expired - Fee Related CN203826094U (en) | 2014-04-24 | 2014-04-24 | Environment-friendly flame-retardant control cable specialized for lift way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724756A (en) * | 2022-03-08 | 2022-07-08 | 重庆市南方阻燃电线电缆有限公司 | Environment-friendly heat-resistant flame-retardant wire and cable for building |
-
2014
- 2014-04-24 CN CN201420202198.7U patent/CN203826094U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114724756A (en) * | 2022-03-08 | 2022-07-08 | 重庆市南方阻燃电线电缆有限公司 | Environment-friendly heat-resistant flame-retardant wire and cable for building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |