CN203338846U - Fire resistant cable - Google Patents
Fire resistant cable Download PDFInfo
- Publication number
- CN203338846U CN203338846U CN2013203577929U CN201320357792U CN203338846U CN 203338846 U CN203338846 U CN 203338846U CN 2013203577929 U CN2013203577929 U CN 2013203577929U CN 201320357792 U CN201320357792 U CN 201320357792U CN 203338846 U CN203338846 U CN 203338846U
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- Prior art keywords
- fire
- resisting
- cable
- cable core
- silicone rubber
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Abstract
The utility model provides a fire resistant cable, which comprises a cable core and an insulating layer coated on the cable core, wherein the insulating layer is sleeved with a fire-resisting ceramic silicone rubber sheath, the cable core is formed by twisting a plurality of conductors coated with thermal insulating layers, a filling layer is arranged between the cable core and the insulating layer, and a metal layer is arranged between the insulating layer and the fire-resisting ceramic silicone rubber sheath. The fire resistant cable has the advantages of scientific design, simple structure, good fire resistance and thermal insulating performance, no toxicity and low cost.
Description
Technical field
The utility model relates to a kind of cable, specifically, has related to a kind of fire-resisting cable.
Background technology
Present cable generally comprises cable core, be located at the outer insulating barrier of cable core and be located at cable core and insulating barrier between flame retardant coating, flame retardant coating is generally mica tape, when flame retardant coating is set, need loaded down with trivial details wrapped, complex structure and cost are high, when fire occurs, mica tape in the situation that high temperature will soon come off by embrittlement, the effect of playing refractory heat-insulating that can only the short time, the safety of assurance cable that can't the long period.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for existing cable complex structure, problem that the refractory heat-insulating performance is low, and a kind of design science, the fire-resisting cable that simple in structure, the refractory heat-insulating performance is good, nontoxic, cost is low are provided.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of fire-resisting cable, comprise cable core and be wrapped in the insulating barrier on described cable core, sheathed fire-resisting ceramic silicone rubber sheath on described insulating barrier, described cable core consists of the many conductor twistings that are wrapped in thermal insulation layer, be provided with packed layer between described cable core and described insulating barrier, between described insulating barrier and described fire-resisting ceramic silicone rubber sheath, be provided with metal level.
Base the above, described packed layer is the crust type packed layer that consists of the low smoke and zero halogen inserts.
Base the above, described metal level is metallic sheath.
Base the above, the thickness of described fire-resisting ceramic silicone rubber sheath is 1 ~ 3mm.
The relative prior art of the utility model has substantive distinguishing features and progress, specifically, this cable is at insulating barrier outer wrapping one deck fire-resisting ceramic silicone rubber sheath, the base material of this fire-resisting ceramic silicone rubber sheath is silicon rubber, main component is organosilicon and inorganic silicon dioxide, the hard inorganic matter housing that is burnt till " glass " shape of this fire-resisting ceramic silicone rubber sheath short time under high-temperature condition, effect of heat insulation is also very outstanding, the gas of burning is nontoxic, Halogen, heavy metal free, smog after burning can not cause secondary injury to human body, and temperature is higher, the time of burning is more of a specified duration, its hardness is higher, heat-proof quality is also better, under the support of this specific character, can pass through technique simply, only at this fire-resisting ceramic silicone rubber sheath of insulating barrier outer wrapping Rational Thickness, just can reach fire-resistant and heat insulation purpose, effectively guaranteed the safety of inner lead, this fire-resisting ceramic silicone rubber material cost is lower than mica tape, can produce without the seam indefinite length, the various quality problems of having avoided mica tape to produce when having a common boundary, the crust type packed layer consisted of the low smoke and zero halogen material further is set, can more effectively prevents that flame is to internal combustion, because the fusing point of inner packed layer is low than metal, when high temperature is attacked, packed layer can be complete by the oxygen expenditure of metallic sheath inside, make inner cable in anaerobic, in the environment of isolation, increase its fail safe, it has advantages of design science, simple in structure, the refractory heat-insulating performance is good, nontoxic, cost is low.
The accompanying drawing explanation
Fig. 1 is the structural representation of cable in the utility model.
1. fire-resisting ceramic silicone rubber sheath; 2. insulating barrier; 3. crust type packed layer; 4. conductor; 5. thermal insulation layer; 6. metallic sheath.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of fire-resisting cable, comprise cable core and be wrapped in the insulating barrier 2 on cable core, sheathed fire-resisting ceramic silicone rubber sheath 1 on insulating barrier 2, cable core consists of many conductor 4 twistings that are wrapped in thermal insulation layer 5, this thermal insulation layer consists of the fire-resisting ceramic silicone rubber material, further conductor 4 is protected, itself also has the effect of insulation, be provided with packed layer between cable core and insulating barrier 2, the crust type packed layer 3 of packed layer for being formed by the low smoke and zero halogen inserts, be provided with metal level between insulating barrier 2 and fire-resisting ceramic silicone rubber sheath 1, this metal level is metallic sheath 6, internal structure is played to maximum protective effect, this fire-resisting ceramic silicone rubber material is current material, under the effect of high temperature, this fire-resisting ceramic silicone rubber sheath 1 sclerosis, become the inorganic matter housing of " glass " shape, temperature is higher, hardness is higher, still can guarantee that at high temperature its surface temperature is lower simultaneously, there is good thermal insulation, delayed the harm of fire to wire, increased the disaster relief time of disaster relief personnel preciousnesses, this fire-resisting cable is the excellent selection that replaces the mica fire-resisting cable.
The situations such as the exterior protection layer is unexpected damaged as run into, flame is during towards internal combustion, because the fusing point of metallic sheath internal junction shell mould packed layer is lower than metal, this low smoke and zero halogen inserts carbonization in advance, exhaust the oxygen in metal tube, make wire in anaerobic, segregate state, increased fail safe; Simultaneously, the crust type packed layer that this low smoke and zero halogen inserts sinters into can further effectively prevent that flame from continuing to internal combustion, guaranteed the internal security of cable.
According to the characteristic of fire-resisting ceramic silicone rubber, the thickness of this fire-resisting ceramic silicone rubber sheath is that 1 ~ 3mm is the most suitable.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (4)
1. a fire-resisting cable, comprise cable core and be wrapped in the insulating barrier on described cable core, it is characterized in that: sheathed fire-resisting ceramic silicone rubber sheath on described insulating barrier, described cable core consists of the many conductor twistings that are wrapped in thermal insulation layer, be provided with packed layer between described cable core and described insulating barrier, between described insulating barrier and described fire-resisting ceramic silicone rubber sheath, be provided with metal level.
2. fire-resisting cable according to claim 1, is characterized in that: the crust type packed layer of described packed layer for consisting of the low smoke and zero halogen inserts.
3. fire-resisting cable according to claim 1 and 2, it is characterized in that: described metal level is metallic sheath.
4. fire-resisting cable according to claim 3, it is characterized in that: the thickness of described fire-resisting ceramic silicone rubber sheath is 1 ~ 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203577929U CN203338846U (en) | 2013-06-21 | 2013-06-21 | Fire resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203577929U CN203338846U (en) | 2013-06-21 | 2013-06-21 | Fire resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203338846U true CN203338846U (en) | 2013-12-11 |
Family
ID=49707510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203577929U Expired - Fee Related CN203338846U (en) | 2013-06-21 | 2013-06-21 | Fire resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203338846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943176A (en) * | 2014-03-28 | 2014-07-23 | 安徽长风电缆集团有限公司 | Antistatic and corrosion-resistant insulated cable |
| CN104851481A (en) * | 2015-05-27 | 2015-08-19 | 北京亨通斯博通讯科技有限公司 | Fire-resistant aluminum alloy cable |
-
2013
- 2013-06-21 CN CN2013203577929U patent/CN203338846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943176A (en) * | 2014-03-28 | 2014-07-23 | 安徽长风电缆集团有限公司 | Antistatic and corrosion-resistant insulated cable |
| CN104851481A (en) * | 2015-05-27 | 2015-08-19 | 北京亨通斯博通讯科技有限公司 | Fire-resistant aluminum alloy cable |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20170621 |