CN205318863U - Silicon rubber insulation fire resistant power cable - Google Patents
Silicon rubber insulation fire resistant power cable Download PDFInfo
- Publication number
- CN205318863U CN205318863U CN201620059164.6U CN201620059164U CN205318863U CN 205318863 U CN205318863 U CN 205318863U CN 201620059164 U CN201620059164 U CN 201620059164U CN 205318863 U CN205318863 U CN 205318863U
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- China
- Prior art keywords
- silicon rubber
- rubber insulation
- power cable
- cable core
- coating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a silicon rubber insulation fire resistant power cable, a silicon rubber insulation fire resistant power cable, cable core, insulating layer, flame retardant coating, filling layer, inner sheath layer, armor, waterproof coating and oversheath layer including from interior to exterior, the cable core cross -section is circular, the insulating layer is silicone rubber insulating layer, the flame retardant coating is refractory fiber paper flame retardant coating, the filling layer is the fire -retardant rope filling layer of low smoke and zero halogen. The utility model belongs to the power cable field.
Description
Technical field
The utility model relates to a kind of field of cables, and more particularly, it relates to a kind of silicon rubber insulation fire-resistant power cable.
Background technology
Along with socioeconomic fast development, people require also more and more higher to power cable security performance in use, and this just requires power cable will have excellent insulating properties and fire resistance.
Application number is that the Chinese patent of CN201310137143.2 discloses a kind of polyvinyl chloride insulation fireproof power cable, it comprises conductor, be provided with the first flame retardant coating in described conductor outside, be provided with insulating barrier in described the first flame retardant coating outside, be provided with the second flame retardant coating in described insulating barrier outside, be provided with packed layer in described the second flame retardant coating outside, be provided with belting layer in described packed layer outside, be provided with external sheath layer in described belting layer outside, the thickness of described insulating barrier is between 1-2.5mm, the thickness of described external sheath layer is between 0.7-3mm, the diameter of described conductor is between 1.78-23.3mm. the problem of its existence is: insulating barrier and oversheath multiselect polyvinyl chloride, the heat endurance of polyvinyl chloride is poor, fire-resistant effect is bad, in the time running into fire generation, cable directly contacts naked light, under the long-time condition of high temperature, can cause polyvinyl chloride to decompose, naked light will directly burn out the internal structure of cable, damages cable, in using or transporting, can bend cable unavoidably, because bending place is subject to mechanical stress larger, just make cable jacket be easy to occur crackle in this bending place, be exposed in air, steam is just easy to invade cable inside from cracks, affects the normal use of cable.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of a kind of silicon rubber insulation fire-resistant power cable with fine fire resistance.
For achieving the above object, the utility model provides following technical scheme: a kind of silicon rubber insulation fire-resistant power cable, comprise cable core, insulating barrier, flame retardant coating, packed layer, inner restrictive coating, armor, waterproof coating and external sheath layer from the inside to the outside, described insulating barrier is silicone rubber insulation layer, described flame retardant coating is refractory fiber paper flame retardant coating, and described packed layer is low-smoke non-halogen flame-retardant rope packed layer.
By adopting technique scheme; insulating barrier is that silicone rubber insulation layer rises; its insulated with material, Heat stability is good, flame retardant coating is refractory fiber paper flame retardant coating, with its preferably heat insulation, fire-resistant, sealing property be used in conjunction with together with silicone rubber insulation layer; cable is played to dual refractory protection; packed layer is low-smoke non-halogen flame-retardant rope, can make more rounding of cable, the flame-retarding characteristic that it has; can in the time running into naked light, further strengthen the refractory ability of cable, thereby play the effect of protection cable.
The utility model is further set to, and described inner restrictive coating and external sheath layer are polytetrafluoroethylsheath sheath layer.
By adopting technique scheme, pvc material can effectively be avoided the damage of exposing to the sun and rain for a long time to packed layer and insulating barrier, also can prevent that cable is subject to the destructions that bite such as worm ant.
The utility model is further set to, and described armor is tin plated steel wire armor.
By adopting technique scheme, described tin plated steel wire armor has strengthened the mechanical strength of cable, and the zinc-plated stability that has improved steel wire has also improved corrosion resistance simultaneously, and tin plated steel wire also can play fireproof effect simultaneously.
The utility model further arranges: for described waterproof coating is polyurethane water-proof coating.
By adopting technique scheme, waterproof coating is the further erosion of isolated steam to cable inside again, extends the service life of cable.
The utility model further arranges: to be that multiple conducting wires is stranded form described cable core.
By adopting technique scheme, the stranded cable core forming has better electric conductivity, and saves space.
The utility model further arranges: described cable core has five, wherein four described cable core cross-sections are fan-shaped, described fan-shaped angle is 90 degree, and an other described cable core cross-section is circular, and cross section is that four fan-shaped described cable cores are wrapped in outside the described cable core that cross section is circle.
By adopting technique scheme, in the time that described cable core quantity is more, can the described cable core of periphery be designed to fan-shaped, then, on the described cable core in the middle of being wrapped in, be conducive to save space, and, than the cable of the cable core of three circular cross-sections, its internal structure compactness, space is very little, avoids being subject to external force and produces depression.
The utility model further arranges: described cable core has three, and described cable core cross-section is circular.
By adopting technique scheme, when described cable core is less, three described cable cores, near placement, convenient are filled to more packing material to it, more protection, and also three described cable cores have good stability, prevent loose.
The utlity model has following beneficial effect: the fire-resistant covering of aluminosilicate refractory fiber paper coordinates with silicone rubber insulation layer, add that low-smoke non-halogen flame-retardant rope packed layer has certain flame-retarding characteristic, can improve the fire resistance of cable to a great extent; Armor is tin plated steel wire armor, has strengthened the mechanical strength of cable, and the zinc-plated stability that has improved steel wire has also improved corrosion resistance simultaneously, and tin plated steel wire also can play fireproof effect simultaneously; Waterproof coating is the further erosion of isolated steam to cable inside again, extends the service life of cable.
Brief description of the drawings
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 2 structural representations.
In figure, 1, cable core; 2, insulating barrier; 3, flame retardant coating; 4, packed layer; 5, inner restrictive coating; 6, armor; 7, waterproof coating; 8, external sheath layer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of silicon rubber insulation fire-resistant power cable, comprise cable core 1, insulating barrier 2, flame retardant coating 3, packed layer 4, inner restrictive coating 5, armor 6, waterproof coating 7 and external sheath layer 8 from the inside to the outside, described insulating barrier 2 is silicone rubber insulation layer, described flame retardant coating 3 is refractory fiber paper flame retardant coating, and described packed layer 4 is low-smoke non-halogen flame-retardant rope packed layer.
Described inner restrictive coating 5 is polytetrafluoroethylsheath sheath layer with external sheath layer 8.
Described armor 6 is tin plated steel wire armor.
Described waterproof coating 7 is polyurethane water-proof coating.
Described cable core 1 forms for multiple conducting wires is stranded.
Embodiment 1: described cable core 1 has three, described cable core 1 cross section is circular.
Embodiment 2: described cable core 1 has five, wherein four described cable core 1 cross sections are fan-shaped, and described fan-shaped angle is 90 degree, and other described cable core 1 cross section is circular, and cross section is that four fan-shaped described cable cores 1 are wrapped in outside the described cable core 1 that cross section is circle.
Be described as follows:
With reference to the accompanying drawings shown in 1 or 2: cable core 1 is stranded circular cable core 1 or fan-shaped cable core 1, adopt stranded mode can make the construction of cable tight, strengthen the resistance to tension of cable, avoid, because existing fit clearance to cause the loosening of cable internal structure, affecting the normal use of cable, fan-shaped mode can make described cable core 1 be filled layer 4 filler all to wrap up, also avoided the existence in gap, has improved fire resistance when strengthening the transfer function of cable. the insulating barrier 2 of described cable core 1 is silicone rubber insulation layer, flame retardant coating 3 is refractory fiber paper flame retardant coating, its material of silicon rubber is easily shown in, low price, there is absorption property high, the feature of plasticity and good insulation preformance, use silicon rubber to be arranged on the outside ground floor of cable core 1, not only can play good package action but also play insulating effect, silicon rubber also has good heat-resisting quantity simultaneously, and have flame retardant coating 3 for refractory fiber paper flame retardant coating in insulating barrier 2 silicone rubber insulation layer outer setting, heat insulation preferably with it, fire-resistant, being used in conjunction with of sealing property and silicone rubber insulation layer, even if naked light has burnt flame retardant coating 3, because inner silicon rubber has good heat-resisting quantity, in short time, also can not impact the described cable core 1 of cable, cable has been played to dual refractory protection, and can win the quality time for rescue, avoid causing because cable is destroyed short circuit further to expand the state of affairs. if but exchange the position of insulating barrier 2 silicone rubber insulation layers and flame retardant coating 3 refractory fiber paper flame retardant coatings, just do not have this effect, although silicon rubber has good heat-resisting quantity, but it is lighted than being easier to again, once naked light destroys after external sheath layer 8 and inner restrictive coating 5 and packed layer 4, adopts the insulating barrier 2 of silicon rubber just can not realize fire-resistant effect, on the contrary can be because of being tightly wrapped on flame retardant coating 3 and aggravation is burnt, thereby weaken the fire resistance of refractory fiber paper, the damage of aggravation cable. packed layer 4 is arranged on described cable core 1 outside, wrap whole described cable core 1, make cable rounding more in appearance, filler is low-smoke non-halogen flame-retardant rope simultaneously, it has certain flame-retarding characteristic, further strengthen the refractory ability of cable, thereby avoided protecting the bad cable that makes of fire resistance of structure or protection structure to be burned because cable inside does not arrange in the time of breaking out of fire, caused other serious consequences such as short circuit.
With reference to the accompanying drawings shown in 1 or 2: protective jacket comprises inner restrictive coating 5 from the inside to surface successively, armor 6, waterproof coating 7, external sheath layer 8, inner restrictive coating 5 outer setting of protective jacket have armor 6 for tin plated steel wire armor, strengthen the mechanical strength of cable, in use procedure and transportation, be tin plated steel wire armor because of armor 6, steel wire wherein can bear a part of stress and by its dispersion, and steel wire occurs while being subject to External Force Acting is elastic deformation, even if be subject to the initial guard mode to cable of getting back to that certain extruding or bending situation also can be very fast, can directly not cause the structural failure of cable inside. zinc-plated steel wire stability and the corrosion resistance in use that improved. be provided with waterproof coating 7 in the outside of armor 6 for polyurethane water-proof coating, polyurethane is a kind of one pack system environment-friendly type water-repellent paint of liquid construction, the outer wall that it is coated in to armor 6 can form firm tough and tensile without seam integral protection of one deck in substrate surface after contacting with airborne moisture, avoid steam to invade cable inside, affect the protection effect of other layer of structure. oversheath 8 plays package action for polytetrafluoroethylsheath sheath layer, the internal structure of protection cable. by adopting above technology to improve the result of use of cable, make integral product longer service life, realistic instructions for use.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art are reading after this description and can make to the present embodiment the amendment that there is no creative contribution as required, but as long as within the scope of claim of the present utility model, are all subject to the protection of Patent Law.
Claims (7)
1. a silicon rubber insulation fire-resistant power cable, comprise cable core (1), insulating barrier (2), flame retardant coating (3), packed layer (4), inner restrictive coating (5), armor (6), waterproof coating (7) and external sheath layer (8) from the inside to the outside, it is characterized in that: described insulating barrier (2) is silicone rubber insulation layer, described flame retardant coating (3) is refractory fiber paper flame retardant coating, and described packed layer (4) is low-smoke non-halogen flame-retardant rope packed layer.
2. a kind of silicon rubber insulation fire-resistant power cable according to claim 1, is characterized in that: described inner restrictive coating (5) is polytetrafluoroethylsheath sheath layer with external sheath layer (8).
3. a kind of silicon rubber insulation fire-resistant power cable according to claim 1, is characterized in that: described armor (6) is tin plated steel wire armor.
4. a kind of silicon rubber insulation fire-resistant power cable according to claim 1, is characterized in that: described waterproof coating (7) is polyurethane water-proof coating.
5. a kind of silicon rubber insulation fire-resistant power cable according to claim 1, is characterized in that: described cable core (1) forms for multiple conducting wires is stranded.
6. a kind of silicon rubber insulation fire-resistant power cable according to claim 1, it is characterized in that: described cable core (1) has five, wherein four described cable cores (1) cross section is fan-shaped, described fan-shaped angle is 90 degree, an other described cable core (1) cross section is circular, and cross section is that fan-shaped four described cable cores (1) are wrapped in outside the described cable core (1) that cross section is circle.
7. a kind of silicon rubber insulation fire-resistant power cable according to claim 1, is characterized in that: described cable core (1) has three, and described cable core (1) cross section is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620059164.6U CN205318863U (en) | 2016-01-21 | 2016-01-21 | Silicon rubber insulation fire resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620059164.6U CN205318863U (en) | 2016-01-21 | 2016-01-21 | Silicon rubber insulation fire resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205318863U true CN205318863U (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620059164.6U Expired - Fee Related CN205318863U (en) | 2016-01-21 | 2016-01-21 | Silicon rubber insulation fire resistant power cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN205318863U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993757A (en) * | 2017-12-15 | 2018-05-04 | 杨幸 | A kind of high-strength tensile Compression-resistincable cable |
| CN107993761A (en) * | 2017-11-28 | 2018-05-04 | 安徽恒晶电缆集团有限公司 | A kind of fluoroplastic insulated high-temperature-resistant power cable |
| CN108010613A (en) * | 2017-11-28 | 2018-05-08 | 安徽恒晶电缆集团有限公司 | A kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure |
| CN108010626A (en) * | 2017-11-28 | 2018-05-08 | 安徽恒晶电缆集团有限公司 | A kind of power cable with cross-linked polyethylene insulation |
| CN108417300A (en) * | 2018-03-13 | 2018-08-17 | 安徽航天电缆集团有限公司 | A kind of high intensity polymer insulation LSOH anti-flaming explosion-proof type cable and manufacturing process |
| CN114360795A (en) * | 2022-02-14 | 2022-04-15 | 安徽渡江电缆集团有限公司 | Fireproof special silicone rubber power cable for ships |
-
2016
- 2016-01-21 CN CN201620059164.6U patent/CN205318863U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993761A (en) * | 2017-11-28 | 2018-05-04 | 安徽恒晶电缆集团有限公司 | A kind of fluoroplastic insulated high-temperature-resistant power cable |
| CN108010613A (en) * | 2017-11-28 | 2018-05-08 | 安徽恒晶电缆集团有限公司 | A kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure |
| CN108010626A (en) * | 2017-11-28 | 2018-05-08 | 安徽恒晶电缆集团有限公司 | A kind of power cable with cross-linked polyethylene insulation |
| CN107993757A (en) * | 2017-12-15 | 2018-05-04 | 杨幸 | A kind of high-strength tensile Compression-resistincable cable |
| CN108417300A (en) * | 2018-03-13 | 2018-08-17 | 安徽航天电缆集团有限公司 | A kind of high intensity polymer insulation LSOH anti-flaming explosion-proof type cable and manufacturing process |
| CN114360795A (en) * | 2022-02-14 | 2022-04-15 | 安徽渡江电缆集团有限公司 | Fireproof special silicone rubber power cable for ships |
| CN114360795B (en) * | 2022-02-14 | 2023-09-15 | 安徽渡江电缆集团有限公司 | Fire-resistant special power cable of silicon rubber for naval vessel |
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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: 20160615 Termination date: 20190121 |