CN209657853U - Pressure fire prevention monitors cable certainly in intelligent minerals - Google Patents
Pressure fire prevention monitors cable certainly in intelligent minerals Download PDFInfo
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- CN209657853U CN209657853U CN201822216184.1U CN201822216184U CN209657853U CN 209657853 U CN209657853 U CN 209657853U CN 201822216184 U CN201822216184 U CN 201822216184U CN 209657853 U CN209657853 U CN 209657853U
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Abstract
The utility model relates to pressure fire prevention monitoring cables, including insulated phase wires core, fiber unit, filled layer, wrapped fireprotection layer, protective layer and oversheath certainly in a kind of intelligent minerals；Insulated phase wires core is equipped with several; filled layer is filled between the gap of insulated phase wires core side; wrapped fireprotection layer is outside filled layer; protective layer is wrapped in outside wrapped fireprotection layer; oversheath is wrapped in outside protective layer, and fiber unit is distributed in external void between the stranded intermediate gap of insulated phase wires core and adjacent insulated phase wires core.Compared with prior art, the cable of the utility model remained to when realizing midium voltage cable fire using, kindling generate gas and smog it is nontoxic and pollution-free, increase fire after firefighting rescue time and intellectual monitoring requirement, so that personal safety is ensured, property loss is reduced, and the expense of cable maintenance and determining cable fault position decreases.
Description
Technical field
The utility model relates to a kind of cables, monitor cable certainly more particularly, to pressure fire prevention in a kind of intelligent minerals.
Background technique
With the continuous development of domestic city, economy is increased rapidly, and many skyscrapers emerge in multitude.If using low pressure
0.6/1kV distribution will be doubled and redoubled compared with common building object cable dosage, laying difficulty and workload, and the building occupied is empty
Between can be bigger.It presses (6~35kV) cable laying in carrying out distribution again in building in, has not only saved material but also energy saving.
Densely populated in skyscraper, once there is fire, cable can not provide electric energy to electrical equipment, certainly will be to people
Member's evacuation makes a big impact, and leads to major casualties and property loss, therefore to the safety of midium voltage cable used in building
It is required that rank is higher.But the fire resistance, mechanical performance and intellectual monitoring performance of existing middle pressure (6~35kV) cable need
It is further to improve, it is ensured that cable can be implemented to monitor in overheating, and in temperature very Gao Shineng normal use, will be personal
Injures and deaths and property loss are preferably minimized always industry urgent problem.
Application No. is the Chinese patents of CN201511003943.0 to disclose pressure fire resisting intellectual monitoring cable in one kind, including
Three insulated phase wires cores, fiber unit, flame resistant filler layer, fire-retardant band, sheath, armor and oversheath；The insulation phase
Core is followed successively by metallic conductor, inner shield, insulation, external shield and metallic shield from inside to outside；The insulation is the friendship of high dielectric
Connection polyethylene extrudes；The metallic shield, which is that combarloy band is wrapped, to be formed.
Above-mentioned patent generally has to increase inner sheath when being subjected to 950 DEG C of 180min using crosslinked polyetylene insulated
With steel-tape armouring structure, and this structure greatly increases the outside diameter of cable and weight, this structure also reduces protective value, is crosslinked poly- second
Alkene insulation and interior external shield fusing point are also just at 160 DEG C or so.
Utility model content
The purpose of this utility model is exactly to provide a kind of intelligent mineral to overcome the problems of the above-mentioned prior art
Pressure fire prevention monitors cable certainly in matter.
The purpose of this utility model can be achieved through the following technical solutions:
Pressure fire prevention is from monitoring cable in a kind of intelligence minerals, including insulated phase wires core, fiber unit, filled layer, wrapped
Fireprotection layer, protective layer and oversheath；The insulated phase wires core is equipped with several, and the filled layer is filled in insulated phase wires core side gap
Between, outside filled layer, the protective layer is wrapped in outside wrapped fireprotection layer the wrapped fireprotection layer, and the oversheath is wrapped in
Outside protective layer, the fiber unit is distributed between the stranded intermediate gap of insulated phase wires core and adjacent insulated phase wires core external empty
Gap.
Further, the insulated phase wires core be followed successively by from inside to outside metallic conductor, inner shield, insulating layer, external shield and
Metallic shield.Inner shield is conductor shielding, and external shield is insulation shielding.
Further, the metallic conductor meets the regulation of GB/T 3956-2008, presses structure using the second similar round.
Further, the insulating layer is that high dielectric crosslinked polyethylene extrudes.
Further, the metallic shield forms for combarloy band is wrapped.
Further, the semiconductive shieldin material that the inner shield and external shield are all made of cross-linking type extrudes.
Further, the fiber unit uses multimode temperature-measuring optical fiber resistant to high temperature.
Further, the filled layer is filling fireprotection layer or common filled layer or ceramic filler rope, mainly plays fire-retardant work
With.The ceramic filler rope is purchased from Shanghai Ke Te new material limited liability company.
Further, the wrapped fireprotection layer is formed using ceramic silica gel composite band is wrapped, plays fire retardation.It is described around
Packet fireprotection layer refractory temperature can reach 1200 DEG C, 3 hours, have the fiery expansion effect of super heat-insulated chance.
Further, the protective layer is the ceramic polyolefin or ceramic silica gel protective layer of extrusion molding, the protective layer
For flute profile protective layer symmetrical above and below, thickness in monolayer 1.5mm, overall thickness 3mm.Using in ceramic polyolefin or ceramic silica gel replacement
Sheath and steel-tape armouring, ceramic polyolefin and ceramic silicon rubber belong to high fire proofing material, can pass through the test of 950 DEG C of 180min,
Mitigate cable weight significantly, but also be able to satisfy BS6387-2013C W Z tri- and examine greatly, protection cable operates normally, and drops
Low cable internal temperature rise reduces cable overall weight.
Further, the oversheath is that resistant environmental low-smoke halogen-free flame polyolefin extrudes.
Further, the insulated phase wires core is equipped with 3.
Pressure fire prevention has the advantage that from monitoring cable operational process in the utility model intelligence minerals
1) when insulated phase wires core temperaturing lifting abnormality, then temperature signal is passed back in control positioned at the temperature-measuring optical fiber of cable center
The heart can be realized the real-time monitoring of cable internal temperature；
2) when a fire, low-smoke and halogen-free flame retardant polyolefin jacket (oxygen index (OI) 36) plays high fire retardant effect, when
Temperature passes to the inside, and temperature-measuring optical fiber plays a role, and conveys signal to fire fighter.And the inside is not only oxygen barrier layer but also rescues to fire-fighting
It helps and wins the quality time；
3) filling fireprotection layer increases the mechanical performance and bending property of cable, saves laying space；
4) the flame resistant filler layer of environment-friendly type is filled instead of alkali-free glass wool, avoids alkali-free glass in cable production process
Silk stabs skin, and has fire protecting performance.
The cable of the utility model remained to when realizing midium voltage cable fire using, kindling generate gas and smog it is nontoxic
Pollution-free, firefighting rescue after increase fire time and intellectual monitoring requirement, so that personal safety is ensured, property loss is
It reduces, the expense of cable maintenance and determining cable fault position decreases.
Compared with prior art, pressure fire prevention has passed through BS6387 from monitoring cable in the utility model intelligence minerals
Defined C, W, Z grade fire-resistance property examination, and in the multimode temperature-measuring optical fiber for adding people's high temperature in cable is run, it can be exhausted
Edge phase core temperaturing lifting abnormality then passes temperature signal back control centre positioned at the temperature-measuring optical fiber of cable center, can be realized cable
The real-time monitoring of internal temperature makes cable operation safer.
Detailed description of the invention
Fig. 1 is that pressure is prevented fires from monitoring construction of cable schematic diagram in intelligent minerals in embodiment 1.
Figure label: 1, metallic conductor, 2, inner shield, 3, insulating layer, 4, external shield, 5, metallic shield, 6, fiber unit,
7, filled layer, 8, wrapped fireprotection layer, 9, protective layer, 10, oversheath.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment
With reference to Fig. 1, pressure fire prevention is from monitoring cable in a kind of intelligence minerals, including insulated phase wires core, fiber unit 6, fills out
Fill layer 7, wrapped fireprotection layer 8, protective layer 9 and oversheath 10；Insulated phase wires core is equipped with several, and filled layer 7 is filled in insulation phase
Between the gap of core side, outside filled layer 7, protective layer 9 is wrapped in outside wrapped fireprotection layer 8 wrapped fireprotection layer 8, and oversheath 10 wraps up
Outside protective layer 9, fiber unit 6 is distributed between the stranded intermediate gap of insulated phase wires core and adjacent insulated phase wires core external empty
Gap.
Wherein, insulated phase wires core is followed successively by metallic conductor 1, inner shield 2, insulating layer 3, external shield 4 and metal from inside to outside
Shielding 5.Inner shield 2 is conductor shielding, and external shield 4 is insulation shielding.Metallic conductor 1 meets the regulation of GB/T3956-2008, adopts
Press structure with the second similar round.Insulating layer 3 is that high dielectric crosslinked polyethylene-XLPE is extruded.Metallic shield 5 is highly conductive
Copper strips is wrapped to be formed.The semiconductive shieldin material that inner shield 2 and external shield 4 are all made of cross-linking type extrudes.
Wherein, fiber unit 6 uses multimode temperature-measuring optical fiber resistant to high temperature.Filled layer 7 is filling fireprotection layer or common filling
Layer or ceramic filler rope, mainly play fire retardation.Ceramic filler rope is purchased from Shanghai Ke Te new material limited liability company.It is wrapped
Fireprotection layer 8 is formed using ceramic silica gel composite band is wrapped, plays fire retardation.Wrapped 8 refractory temperature of fireprotection layer can reach 1200
DEG C, 3 hours, there is the fiery expansion effect of super heat-insulated chance.Protective layer 9 is ceramic polyolefin or the ceramic silica gel protection of extrusion molding
Layer, protective layer 9 are flute profile protective layer symmetrical above and below, thickness in monolayer 1.5mm, overall thickness 3mm.Using ceramic polyolefin or ceramics
Silica gel replaces inner sheath and steel-tape armouring, and ceramic polyolefin and ceramic silicon rubber belong to high fire proofing material, can pass through 950 DEG C
The test of 180min, significantly mitigation cable weight, but also be able to satisfy BS6387-2013C W Z tri- and examine greatly, protection cable is just
Often operation, and cable internal temperature rise is reduced, reduce cable overall weight.Oversheath 10 is resistant environmental low-smoke halogen-free flame polyene
Hydrocarbon extrudes.
When insulated phase wires core temperaturing lifting abnormality, then temperature signal is passed back control centre positioned at the temperature-measuring optical fiber of cable center,
It can be realized the real-time monitoring of cable internal temperature；When a fire, (oxygen index (OI) is low-smoke and halogen-free flame retardant polyolefin jacket
36) high fire retardant effect is played, when temperature passes to the inside, temperature-measuring optical fiber plays a role, and conveys signal to fire fighter.In and
Face is not only oxygen barrier layer but also wins the quality time to fire-fighting and rescue；Filling fireprotection layer increases the mechanical performance and bendability of cable
Can, save laying space；The flame resistant filler layer of environment-friendly type is filled instead of alkali-free glass wool, is avoided in cable production process
Alkali-free glass wool stabs skin.
Pressure fire prevention in the present embodiment intelligence minerals is tested for the property from monitoring cable, structure such as table 1.
1 the performance test results of table
The cable of the present embodiment remained to when realizing midium voltage cable fire using, kindling generate gas and the nontoxic nothing of smog
The time of firefighting rescue and intellectual monitoring requirement after pollution, increase fire, so that personal safety is ensured, property loss is subtracted
Few, the expense of cable maintenance and determining cable fault position decreases.
It can understand the above description of the embodiments is intended to facilitate those skilled in the art and use practical
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (9)
1. it is a kind of intelligence minerals in pressure fire prevention from monitoring cable, which is characterized in that including insulated phase wires core, fiber unit (6),
Filled layer (7), wrapped fireprotection layer (8), protective layer (9) and oversheath (10)；The insulated phase wires core is described to fill out equipped with several
Layer (7) is filled to be filled between the gap of insulated phase wires core side, the wrapped fireprotection layer (8) around filled layer (7) outside, the protective layer
(9) it is wrapped in wrapped fireprotection layer (8) outside, the oversheath (10) is wrapped in protective layer (9) outside, fiber unit (6) distribution
The external void between the stranded intermediate gap of insulated phase wires core and adjacent insulated phase wires core；
The protective layer (9) is the ceramic polyolefin or ceramic silica gel protective layer of extrusion molding, and the protective layer (9) is right up and down
Claim flute profile protective layer, thickness in monolayer 1.5mm, overall thickness 3mm.
2. pressure fire prevention monitors cable certainly in a kind of intelligent minerals according to claim 1, which is characterized in that the insulation
Phase core is followed successively by metallic conductor (1), inner shield (2), insulating layer (3), external shield (4) and metallic shield (5) from inside to outside, interior
Shielding (2) is conductor shielding, and external shield (4) is insulation shielding.
3. pressure fire prevention monitors cable certainly in a kind of intelligent minerals according to claim 2, which is characterized in that the insulation
Layer (3) is that high dielectric crosslinked polyethylene extrudes.
4. pressure fire prevention monitors cable certainly in a kind of intelligent minerals according to claim 2, which is characterized in that the metal
Shielding (5), which is that combarloy band is wrapped, to be formed.
5. pressure fire prevention monitors cable certainly in a kind of intelligent minerals according to claim 2, which is characterized in that the interior screen
It covers (2) and external shield (4) is all made of the semiconductive shieldin material of cross-linking type and extrudes.
6. pressure fire prevention monitors cable certainly in a kind of intelligent minerals according to claim 1, which is characterized in that the optical fiber
Unit (6) uses multimode temperature-measuring optical fiber resistant to high temperature.
7. pressure fire prevention monitors cable certainly in a kind of intelligent minerals according to claim 1, which is characterized in that the filling
Layer (7) is filling fireprotection layer or common filled layer or ceramic filler rope.
8. pressure fire prevention monitors cable certainly in a kind of intelligent minerals according to claim 1, which is characterized in that described wrapped
Fireprotection layer (8) is formed using ceramic silica gel composite band is wrapped, plays fire retardation.
9. pressure fire prevention monitors cable certainly in a kind of intelligent minerals according to claim 1, which is characterized in that the outer shield
Set (10) is that resistant environmental low-smoke halogen-free flame polyolefin extrudes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216184.1U CN209657853U (en) | 2018-12-27 | 2018-12-27 | Pressure fire prevention monitors cable certainly in intelligent minerals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216184.1U CN209657853U (en) | 2018-12-27 | 2018-12-27 | Pressure fire prevention monitors cable certainly in intelligent minerals |
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| CN209657853U true CN209657853U (en) | 2019-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494009A (en) * | 2018-12-27 | 2019-03-19 | 上海胜华电气股份有限公司 | It is a kind of intelligence minerals in pressure fire prevention from monitoring cable |
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2018
- 2018-12-27 CN CN201822216184.1U patent/CN209657853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494009A (en) * | 2018-12-27 | 2019-03-19 | 上海胜华电气股份有限公司 | It is a kind of intelligence minerals in pressure fire prevention from monitoring cable |
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