CN210403276U - Mineral cable - Google Patents
Mineral cable Download PDFInfo
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- CN210403276U CN210403276U CN201921110161.0U CN201921110161U CN210403276U CN 210403276 U CN210403276 U CN 210403276U CN 201921110161 U CN201921110161 U CN 201921110161U CN 210403276 U CN210403276 U CN 210403276U
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- mineral
- cable
- layer
- mineral cable
- cable according
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 58
- 239000011707 mineral Substances 0.000 title claims abstract description 58
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010445 mica Substances 0.000 claims description 7
- 229910052618 mica group Inorganic materials 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229910052628 phlogopite Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a mineral cable belongs to cable technical field, and it is by interior and outside including its by interior and outside including a cable core, an inner sheath, a flame retardant coating and an oversheath, the cable core include four piece at least power lines with set up in an elastic filling body of cable core space department, the flame retardant coating is filled there is a fire prevention mud, a spring body has been buried underground to fire prevention mud inside, the spring body is followed mineral cable's length direction spiral sets up, the spring body has been realized on the one hand the limit function of fire prevention mud, on the other hand has improved mineral cable's tensile, antitorque effect has guaranteed the integrality and the durability of this cable.
Description
Technical Field
The utility model belongs to the technical field of the cable technique and specifically relates to a mineral cable is related to.
Background
The mineral cable is composed of a copper core, a mineral insulating material, copper and other metal sheaths, can ensure fire protection power supply within the duration time of a fire disaster under the condition of the fire disaster, and cannot be damaged by the mineral cable due to the damage of the environment, but the existing mineral cable is often insufficient in durability and short in service life when achieving the fire protection function, so that the good power supply function cannot be continuously ensured; meanwhile, the fireproof mud is generally filled as a flexible flame-retardant material, and the supporting strength of adjacent layers to the fireproof mud is low in the prior art, so that the fireproof mud is easy to relatively rotate, and the integrity of the cable is damaged.
In 12.02.2019, a chinese patent with the application number CN201821121115.6, named as "novel flexible fireproof cable", discloses a mineral cable which is filled with fireproof mud between an insulating layer and an armor layer, achieves the effects of flame retardance and oxygen isolation, but cannot realize the limiting function of the fireproof mud, cannot guarantee the integrity and durability of the cable, and therefore, the mineral cable which is high in mechanical strength, durability and integrity is urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model discloses mainly solved among the prior art high-rise residential cable and had the not enough problem of fire prevention effect, provided a mineral cable, through the spring body with the cooperation of fire prevention mud is realized the fire prevention function of cable has guaranteed the durability and the integrality of this cable.
For reaching this mesh, the utility model provides a pair of mineral cable, it is by interior and outside including a cable core, an inner sheath, a flame retardant coating and an oversheath, the cable core include four piece at least power lines with set up in an elastic filling body of cable core space department, the flame retardant coating is filled there is a fire prevention mud, is used for realizing mineral cable's fire prevention function, a spring body has been buried underground to fire prevention mud inside, the spring body is followed mineral cable's length direction spiral sets up, has realized on the one hand fire prevention mud's limit function, and on the other hand has improved mineral cable's tensile, antitorque effect have guaranteed the integrality and the durability of this cable.
Preferably, the method comprises the following steps: the power supply power line comprises a power supply power line core, a mineral insulating layer and a mica tape layer from inside to outside, wherein the power supply power line core is an oxygen-free copper conductor which is more stable than pure copper and pure aluminum cables, has higher conductivity and is not easy to generate heat.
Further: the mineral insulating layer is a ceramic refractory fiber belt layer.
Further: the mica tape layer is a phlogopite glass fiber fireproof tape layer, is low in price, and has good electrical insulation and heat resistance, strong chemical resistance, mechanical property and the like.
Preferably, the method comprises the following steps: the elastic filling body is a heat-conducting rubber material filling body, and the heat-conducting insulating rubber material is high in heat-conducting property and flexibility.
Preferably, the method comprises the following steps: the wrapping layer is a flame-retardant alkali-free glass fiber tape, and has excellent high flame-retardant, oxygen-insulating and fire-insulating properties.
Preferably, the method comprises the following steps: the shielding layer is an oxygen-free copper net shielding layer and is used for resisting external electromagnetic interference through the tightly woven oxygen-free copper net.
Preferably, the method comprises the following steps: the inner sheath is an aluminum sheath, so that the mechanical strength of the mineral cable is improved.
Further: the aluminium sheath outside is the heliciform, further realizes the limit function of fire prevention mud.
Preferably, the method comprises the following steps: the outer sheath is a low-smoke halogen-free sheath, and meets the requirement of environmental protection.
The utility model has the advantages that:
the utility model provides a mineral cable, it is by interior and outside including a cable core, an inner sheath, a flame retardant coating and an oversheath, the cable core include four piece at least power lines with set up in an elastic filling body of cable core space department, the flame retardant coating is filled there is a fire prevention mud, fire prevention mud is used for realizing mineral cable's fire prevention function, a spring body has been buried underground to fire prevention mud inside, the spring body is followed mineral cable's length direction spiral sets up, the spring body has been realized on the one hand fire prevention mud's limit function, on the other hand has improved mineral cable's tensile, antitorque effect and mechanical strength have guaranteed the integrality and the durability of this cable.
Drawings
Fig. 1 is a schematic structural diagram of a mineral cable provided by the present invention;
fig. 2 is a schematic perspective view of a mineral cable provided by the present invention;
in the figure: 1-power supply power line, 11-power supply power line core, 12-mineral insulating layer, 13-mica tape layer, 2-elastic filler, 3-lapping layer, 4-shielding layer, 5-inner sheath, 6-fireproof layer, 61-fireproof mud, 62-spring body and 7-outer sheath.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
Examples
Referring to fig. 1, the mineral electric cable provided in this embodiment includes, from inside to outside, a cable core, a wrapping layer 3, a shielding layer 4, an inner sheath 5, a fire-proof layer 6, and an outer sheath 7.
Referring to fig. 1, the cable core comprises four power supply power lines 1 and an elastic filler 2 arranged in a gap of the cable core, the power supply power lines 1 comprise a power supply power line core 11, a mineral insulating layer 12 and a mica tape layer 13 from inside to outside, the power supply power line core 11 is an oxygen-free copper conductor, and the oxygen-free copper conductor is more stable than pure copper and pure aluminum cables, has higher electrical conductivity and is not easy to generate heat; the mineral insulating layer 12 is a ceramic refractory fiber belt layer; mica tape layer 13 is a phlogopite glass fiber fire-resistant tape layer, and its low price, and possess good electrical insulation and heat resistance to and strong chemical resistance, mechanical properties etc. withstand temperature: 1100 ℃, melting point: 1375 ℃, the mineral cable will not burn in fire and will not melt in burning; the elastic filling body 2 is a heat-conducting rubber material filling body, and the heat-conducting insulating rubber material is strong in heat-conducting property and high in softness, so that the cable core part is protected, and the flexibility of the mineral cable is enhanced.
Referring to fig. 1, the wrapping layer 3 is a flame-retardant alkali-free glass fiber tape, and has excellent high flame-retardant, oxygen-insulating and fire-insulating properties.
Referring to fig. 1, the shielding layer 4 is an oxygen-free copper mesh shielding layer, and is formed by tightly weaving an oxygen-free copper mesh to resist external electromagnetic interference.
Referring to fig. 1, the inner sheath 5 is an aluminum sheath, the outer side of the aluminum sheath is spiral, and a corrugated structure is adopted, so that the bending performance is good, and the limit function of the fireproof mud is further realized.
Referring to fig. 1 and 2, the fireproof layer 6 is filled with fireproof mud for realizing the fireproof function of the mineral cable, the spring body 62 is buried in the fireproof mud, the spring body 62 is spirally arranged along the length direction of the mineral cable, on one hand, the limiting function of the fireproof mud is realized, on the other hand, the tensile and torsional effects of the mineral cable are improved, and the integrity and the durability of the cable are guaranteed.
Referring to fig. 1, the outer sheath 7 is a low-smoke halogen-free outer sheath, so that the mineral cable is guaranteed to have low smoke and no halogen in a combustion state, and meets the requirement of environmental protection.
The mineral cable provided by the embodiment comprises a cable core part, an inner sheath 5, a fireproof layer 6 and an outer sheath 7 from inside to outside, wherein the cable core part comprises four power lines 1 and an elastic filling body 2 arranged at the gap of the cable core part, the fireproof layer 6 is filled with fireproof mud, the fireproof mud is used for realizing the fireproof function of the mineral cable, a spring body 62 is buried inside the fireproof mud in a buried mode, the spring body 62 is spirally arranged along the length direction of the mineral cable, on one hand, the spring body 62 realizes the limiting function of the fireproof mud, on the other hand, the tensile and torsional effects and the mechanical strength of the mineral cable are improved, the integrity and the durability of the cable are ensured, and the mineral cable is matched with the cable core part, the wrapping layer 3, the shielding layer 4, the inner sheath 5, the fireproof layer 6 and the outer sheath 7 together, the fireproof performance of the mineral cable is enhanced, the mineral cable also has a shielding function, the stable transmission current of the power line 1 is ensured, and meanwhile, the protection structure on the outer side of the power line 1 enables the cable to be high in mechanical strength, tensile and anti-torsion and long in service life.
The above description is only for the specific embodiments of the present invention, but it should be understood by those skilled in the art that the present invention is only by way of example, and the scope of the present invention is defined by the appended claims. Therefore, the equivalent changes made in the claims of the present invention still belong to the scope covered by the present invention.
Claims (10)
1. The utility model provides a mineral cable, its from interior to exterior is including a cable core portion, an inner sheath, a flame retardant coating and an oversheath, cable core portion includes four at least power lines and set up in an elasticity obturator of cable core portion space department, its characterized in that: the fireproof layer is filled with fireproof mud, a spring body is buried in the fireproof mud, and the spring body is spirally arranged along the length direction of the mineral cable.
2. Mineral cable according to claim 1, characterized in that: the power supply power line comprises a power supply power line core, a mineral insulating layer and a mica tape layer from inside to outside, wherein the power supply power line core is an oxygen-free copper conductor.
3. A mineral cable according to claim 2, characterized in that: the mineral insulating layer is a ceramic refractory fiber belt layer.
4. A mineral cable according to claim 2, characterized in that: the mica tape layer is a phlogopite glass fiber fireproof tape layer.
5. Mineral cable according to claim 1, characterized in that: the elastic filling body is a heat-conducting rubber material filling body.
6. Mineral cable according to claim 1, characterized in that: the mineral cable also comprises a wrapping layer, and the wrapping layer is a flame-retardant alkali-free glass fiber tape.
7. Mineral cable according to claim 1, characterized in that: the mineral cable also comprises a shielding layer, wherein the shielding layer is an oxygen-free copper mesh shielding layer.
8. Mineral cable according to claim 1, characterized in that: the inner sheath is an aluminum sheath.
9. Mineral cable according to claim 8, characterized in that: the outer side of the aluminum sheath is spiral.
10. Mineral cable according to claim 1, characterized in that: the outer sheath is a low-smoke halogen-free sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110161.0U CN210403276U (en) | 2019-07-15 | 2019-07-15 | Mineral cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110161.0U CN210403276U (en) | 2019-07-15 | 2019-07-15 | Mineral cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210403276U true CN210403276U (en) | 2020-04-24 |
Family
ID=70354679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921110161.0U Active CN210403276U (en) | 2019-07-15 | 2019-07-15 | Mineral cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210403276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233840A (en) * | 2019-07-15 | 2021-01-15 | 广州市东风电缆有限公司 | a mineral cable |
-
2019
- 2019-07-15 CN CN201921110161.0U patent/CN210403276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112233840A (en) * | 2019-07-15 | 2021-01-15 | 广州市东风电缆有限公司 | a mineral cable |
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