CN202025562U - Inflaming retarding and fire-resistant cable without armoring - Google Patents
Inflaming retarding and fire-resistant cable without armoring Download PDFInfo
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- CN202025562U CN202025562U CN201120096430XU CN201120096430U CN202025562U CN 202025562 U CN202025562 U CN 202025562U CN 201120096430X U CN201120096430X U CN 201120096430XU CN 201120096430 U CN201120096430 U CN 201120096430U CN 202025562 U CN202025562 U CN 202025562U
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Abstract
The utility model relates to the field of electrical products, in particular to an inflaming retarding and fire-resistant cable without armoring, which comprises a cable wire core. The cable wire core comprises a conductor wire core and an insulating layer arranged outside the conductor wire core, a protective jacket layer is arranged outside the cable wire core, and a ceramic silicon rubber material layer is arranged between the cable wire core and the protective jacket layer and forms a fire-resistant protective layer. By means of the technical scheme, the inflaming retarding and fire-resistant cable without armoring adopts a ceramic silicon rubber material structure as a core flame retarding layer, uses a fire-resistant isolating layer to be an auxiliary layer and has remarkable fire-resistant and high temperature isolating effects, thereby effectively preventing an inner structure of a cable from mechanical change and electrical property change.
Description
Technical field
The utility model relates to the electric product field, is specifically related to a kind of cable.
Background technology
In high level and the medium numerous places of high-rise building, large-scale public place of entertainment, large-scale industrial and mineral, enterprise and underground works, often cable is intensive lays, in case breaking out of fire, fire will prolong combustion along the cable place and spread to other departments and floor.Add up according to fire department, in the Urban Fires, wherein more than 2/3 since electrical equipment fault or cable traffic overload cause that cable fire spreads and cause, in many fire in the past, what cause personal life danger and " secondary harm " often mainly is acid gas and the toxic gas that discharges behind the cable fire simultaneously.The fireproofing of cable technology more and more causes people's attention, and becomes an important development direction of line cable industry.
Traditional fire-resisting cable is mounted in the copper pipe, fills high temperature resistant solid material between copper pipe and the cable, needs solid material pad device, vertical bag equipment and welding equipment etc. in production and manufacture process.The material and facility cost of investment is very high, thereby it is many that manufacturing cost has been increased.In addition because high temperature resistant protective sleeve is the copper pipe structure, filling be solid material, so Cable Bending Radius is seldom, bring many inconvenience of installing to the user.
The utility model content
The purpose of this utility model is, a kind of no armouring flame resistant cable is provided, and solves above technical problem.
The technical problem that the utility model solved can realize by the following technical solutions:
No armouring flame resistant cable; comprise a cable core; described cable core comprises that a conductor thread core, is arranged on the outer insulating barrier of described conductor thread core; described cable core is provided with restrictive coating outward; be provided with a potteryization silastic material layer between described cable core and the described restrictive coating, described potteryization silastic material layer constitutes a fireproof jointing sheath.
It has possessed the fundamental characteristics of silicon rubber good springiness to the fireproof jointing sheath that the potteryization silastic material is made at normal temperatures; have nontoxic, tasteless, high-low temperature resistant, anti-ozone aging, weather-proof aging, excellent electric insulation performance; also possessed common high temperature silicon rubber good processing properties, to about 200 degree above freezing, can keep the flexible cable state at 40 degrees below zero.Attack at flame; temperature reaches 300 degree when above; can be converted to rigid sponge ceramic body by original soft condition; the inner hole that produces of fireproof jointing sheath after the hardening; help insulation; the sponge ceramic body has fire-resistant significantly and intercepts action of high temperature like this, thereby effectively protects the internal structure of cable that machinery variation and electrical property variation do not take place.
In addition; fireproof jointing sheath of the present utility model is arranged in the restrictive coating, and in use restrictive coating can well protect fireproof jointing sheath to avoid the damage of external environment condition, when the flame combustion restrictive coating; owing under the effect of fireproof jointing sheath, can well protect the conductor inside core.
Be provided with a fire-resistant separator between described cable core and the described fireproof jointing sheath.Fire-resistant separator further makes insulating barrier and the conductor thread core structure in the fireproof jointing sheath that the variation of mechanical performance and electrical property can not take place, thereby guarantees that further the utility model can normal power supply and communication when burning.
The utlity model has and complete suitable mechanical performance and the electrical property of common cable, in installing and using process without any difference.Owing to do not need to invest any other auxiliary device, just increased two procedures aborning, thereby manufacturing cost and maintenance cost are reduced greatly.After between cable core and the fire-resistant separator other functional composite beds being set, the utility model promptly can be applicable in the armorless cable of any model of any specification.
The PE restrictive coating that described restrictive coating can adopt the PE material to make.
Described fire-resistant separator can adopt the fire-retardant green material of expansion type low-smoke halogen-free.Described fire-resistant separator also can adopt the metallic film refuge floor.Described metallic film refuge floor is the metallic film refuge floor that adopts the vertical bag of metal material to form.
Described cable core also comprises an internal shield, and described internal shield is arranged between described conductor thread core and the described insulating barrier.
Described cable core also comprises an outer shielding layer, and described outer shielding layer is arranged between described insulating barrier and the described fire-resistant separator.Described internal shield and described outer shielding layer all can adopt the woven shield of braid shielded structure.The screen that described woven shield can adopt zinc-plated soft copper silk braiding to form.Adopt the double layer screen layer, can guarantee under the prerequisite of cable core flexibility and mechanical strength, make the shielding of cable core, anti-tampering better effects if.
Be provided with a copper strips layer between described outer shielding layer and the described fire-resistant separator.
Beneficial effect: owing to adopted technique scheme; the utility model utilizes potteryization silastic material structure to be the core flame retardant coating; fire-resistant separator is as auxiliary layer; have fire-resistant significantly and the obstruct action of high temperature, thereby effectively protect the internal structure of cable core that machinery variation and electrical property variation do not take place.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, no armouring flame resistant cable comprises a cable core, and cable core comprises a conductor thread core 11, is arranged on the insulating barrier 12 outside the conductor thread core 11, and cable core is provided with restrictive coating 4 outward, the PE restrictive coating that restrictive coating 4 can adopt the PE material to make.Be provided with a potteryization silastic material layer between cable core and the restrictive coating 4, potteryization silastic material layer constitutes a fireproof jointing sheath 3.It has possessed the fundamental characteristics of silicon rubber good springiness to the fireproof jointing sheath 3 that the potteryization silastic material is made at normal temperatures; have nontoxic, tasteless, high-low temperature resistant, anti-ozone aging, weather-proof aging, excellent electric insulation performance; also possessed common high temperature silicon rubber good processing properties, to about 200 degree above freezing, can keep the flexible cable state at 40 degrees below zero.Attack at flame; temperature reaches 300 degree when above; can be converted to rigid sponge ceramic body by original soft condition; the fireproof jointing sheath 3 inner holes that produce after the hardening; help insulation; the sponge ceramic body has fire-resistant significantly and intercepts action of high temperature like this, thereby effectively protects the internal structure of cable that machinery variation and electrical property variation do not take place.In addition; fireproof jointing sheath 3 of the present utility model is arranged in the restrictive coating 4, and in use restrictive coating 4 can well protect fireproof jointing sheath 3 to avoid the damage of external environment condition, when flame combustion restrictive coating 4; owing under the effect of fireproof jointing sheath 3, can well protect conductor inside core 11.
Be provided with a fire-resistant separator 2 between cable core and the fireproof jointing sheath 3.Fire-resistant separator 2 can adopt the fire-retardant green material of expansion type low-smoke halogen-free.Fire-resistant separator 2 also can adopt the metallic film refuge floor.The metallic film refuge floor is the metallic film refuge floor that adopts the vertical bag of metal material to form.Being provided with of fire-resistant separator 2 further makes fireproof jointing sheath 3 interior insulating barrier 12 and conductor thread core 11 structures that the variation of mechanical performance and electrical property can not take place, thereby guarantees that further the utility model can normal power supply and communication when burning.The utlity model has and complete suitable mechanical performance and the electrical property of common cable, in installing and using process without any difference.Owing to do not need to invest any other auxiliary device, just increased two procedures aborning, thereby manufacturing cost and maintenance cost are reduced greatly.After between cable core and the fire-resistant separator 2 other functional composite beds being set, the utility model promptly can be applicable in the armorless cable of any model of any specification.
Cable core also comprises internal shield 13, and internal shield 13 is arranged between conductor thread core 11 and the insulating barrier 12.Cable core also comprises outer shielding layer 14, and outer shielding layer 14 is arranged between insulating barrier 12 and the fire-resistant separator 2.Internal shield 13 and outer shielding layer 14 all can adopt the woven shield of braid shielded structure.The screen that woven shield can adopt zinc-plated soft copper silk braiding to form.Adopt the double layer screen layer, can guarantee under the prerequisite of cable core flexibility and mechanical strength, make the shielding of cable core, anti-tampering better effects if.Also be provided with copper strips layer 51 between outer shielding layer 14 and the fire-resistant separator 2.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. there is not the armouring flame resistant cable; comprise a cable core; described cable core comprises that a conductor thread core, is arranged on the outer insulating barrier of described conductor thread core; described cable core is provided with restrictive coating outward; it is characterized in that; be provided with a potteryization silastic material layer between described cable core and the described restrictive coating, described potteryization silastic material layer constitutes a fireproof jointing sheath.
2. no armouring flame resistant cable according to claim 1 is characterized in that: be provided with a fire-resistant separator between described cable core and the described fireproof jointing sheath.
3. no armouring flame resistant cable according to claim 1 is characterized in that: the PE restrictive coating that described restrictive coating adopts the PE material to make.
4. no armouring flame resistant cable according to claim 2, it is characterized in that: described cable core also comprises an internal shield, described internal shield is arranged between described conductor thread core and the described insulating barrier.
5. no armouring flame resistant cable according to claim 4, it is characterized in that: described cable core also comprises an outer shielding layer, described outer shielding layer is arranged between described insulating barrier and the described fire-resistant separator.
6. no armouring flame resistant cable according to claim 4 is characterized in that: described internal shield adopts the woven shield of braid shielded structure.
7. no armouring flame resistant cable according to claim 5 is characterized in that: described outer shielding layer adopts the woven shield of braid shielded structure.
8. no armouring flame resistant cable according to claim 5 is characterized in that: be provided with a copper strips layer between described outer shielding layer and the described fire-resistant separator.
9. according to claim 2,5 or 8 described no armouring flame resistant cables, it is characterized in that: the fire-resistant separator that described fire-resistant separator adopts the fire-retardant green material of expansion type low-smoke halogen-free to make.
10. according to claim 2,5 or 8 described no armouring flame resistant cables, it is characterized in that: described fire-resistant separator adopts the metallic film refuge floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120096430XU CN202025562U (en) | 2011-04-02 | 2011-04-02 | Inflaming retarding and fire-resistant cable without armoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120096430XU CN202025562U (en) | 2011-04-02 | 2011-04-02 | Inflaming retarding and fire-resistant cable without armoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202025562U true CN202025562U (en) | 2011-11-02 |
Family
ID=44850506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120096430XU Expired - Lifetime CN202025562U (en) | 2011-04-02 | 2011-04-02 | Inflaming retarding and fire-resistant cable without armoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202025562U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737767A (en) * | 2011-04-02 | 2012-10-17 | 上海永进电缆(集团)有限公司 | Fire-resistant soft ceramic cable |
| CN103762029A (en) * | 2014-01-09 | 2014-04-30 | 颐龙轨道交通设备（苏州）有限公司 | Fireproof ceramic cable |
| CN103903768A (en) * | 2014-03-03 | 2014-07-02 | 江苏珠影特种电缆有限公司 | Multicore high-voltage fire resistant cable |
| CN103903769A (en) * | 2014-03-03 | 2014-07-02 | 江苏珠影特种电缆有限公司 | Single-core fire resistant cable |
| CN110534248A (en) * | 2019-07-29 | 2019-12-03 | 安徽电缆股份有限公司 | A kind of nuclear island fireproof cable |
-
2011
- 2011-04-02 CN CN201120096430XU patent/CN202025562U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737767A (en) * | 2011-04-02 | 2012-10-17 | 上海永进电缆(集团)有限公司 | Fire-resistant soft ceramic cable |
| CN103762029A (en) * | 2014-01-09 | 2014-04-30 | 颐龙轨道交通设备（苏州）有限公司 | Fireproof ceramic cable |
| CN103903768A (en) * | 2014-03-03 | 2014-07-02 | 江苏珠影特种电缆有限公司 | Multicore high-voltage fire resistant cable |
| CN103903769A (en) * | 2014-03-03 | 2014-07-02 | 江苏珠影特种电缆有限公司 | Single-core fire resistant cable |
| CN110534248A (en) * | 2019-07-29 | 2019-12-03 | 安徽电缆股份有限公司 | A kind of nuclear island fireproof cable |
| CN110534248B (en) * | 2019-07-29 | 2020-10-27 | 安徽电缆股份有限公司 | Nuclear island fireproof cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |
|
| CX01 | Expiry of patent term |