CN208903692U - A kind of flexible mineral matter insulated cable - Google Patents
A kind of flexible mineral matter insulated cable Download PDFInfo
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- CN208903692U CN208903692U CN201821767282.8U CN201821767282U CN208903692U CN 208903692 U CN208903692 U CN 208903692U CN 201821767282 U CN201821767282 U CN 201821767282U CN 208903692 U CN208903692 U CN 208903692U
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- mineral matter
- cable
- insulated cable
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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 kind of flexible mineral matter insulated cables, including inner core and the first insulating layer, multiple supporting elements are provided between the inner core and the first insulating layer, conducting wire is provided between the supporting element and supporting element, filled layer is filled between the inner core and the first insulating layer, the surface of first insulating layer is arranged with copper sheath, the surface of copper sheath is arranged with first screen layer, first screen layer with a thickness of 0.8-1.0mm, its eccentricity is no more than 15%, the surface of first screen layer is coated with uvioresistant layer, and uvioresistant layer uses nano grade inorganic particulate layer.The utility model passes through the cooperation of inner core, the first insulating layer, supporting element, conducting wire and copper sheath; existing cable is solved when being squeezed by biggish external force; the outside of cable and cable core easily deform; and cable core is damaged by external force; the stability used so as to cause cable; it is serious then safety accident can occur, the problem of crisis personal safety as well as the property safety.
Description
Technical field
The utility model relates to field of cable technology, specially a kind of flexible mineral matter insulated cable.
Background technique
Mineral insulated cable abbreviation MI cable, as wiring in use, domestic habit is referred to as magnesia cable or anti-thermoelectricity
Cable.It is the copper core copper sheath cable by mineral material magnesia powder as insulation, and mineral insulated cable is by copper conductor, oxidation
Two kinds of magnesium, copper sheath inorganic material compositions.The existing common working environment of mineral cable is all more severe, needs in face of height
The test of the external conditions such as temperature, low temperature, corrosion, especially for the specific environment for having fire resisting and insulating requirements.
The utility model of Patent No. CN207895882U discloses a kind of flexible mineral insulation cable, including wearing layer
(1), it is characterised in that: the inner cavity of the wearing layer (1) is provided with enhancing fireprotection layer (2), the inner cavity of enhancing fireprotection layer (2)
It is provided with outer high-temperature-resistant layer (3), the inner cavity of the outer high-temperature-resistant layer (3) is provided with uvioresistant layer (4), the uvioresistant layer
(4) inner cavity is evenly arranged with four groups of colour band layers (5), and flexible oxide layer (6) is arranged in the inner cavity of the colour band layer (5), described
The inner cavity of flexible oxide layer (6) is provided with flame-retardant layer (7), and the inner cavity of the flame-retardant layer (7) is provided with interior high-temperature-resistant layer (8), institute
The inner cavity for stating interior high-temperature-resistant layer (8) is provided with insulating layer (9), and the inner cavity of the insulating layer (9) is provided with conductor (10), the color
Filled layer (11) and minerals fire-proof mud (12) are evenly arranged between belt (5) and uvioresistant layer (4).Though the utility model
So have the characteristics of stronger flame retardant effect, good insulation preformance, but when being squeezed by biggish external force, the outside of cable with
And cable core easily deforms and cable core is damaged by external force, so as to cause the stability that cable uses, seriously can then occur
Safety accident, crisis personal safety as well as the property safety.For this purpose, it is proposed that a kind of flexible mineral matter insulated cable.
Utility model content
The purpose of this utility model is to provide a kind of flexible mineral matter insulated cables, have anti-extrusion, highly-safe
Advantage solves existing cable when being squeezed by biggish external force, and the outside of cable and cable core easily deform, and
Cable core is damaged by external force, and so as to cause the stability that cable uses, safety accident, crisis person property peace seriously can then occur
Full problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of flexible mineral matter insulated cable, including
Inner core and the first insulating layer are provided with multiple supporting elements, the supporting element and supporting element between the inner core and the first insulating layer
Between be provided with conducting wire, between the inner core and the first insulating layer be filled with filled layer, the surface of first insulating layer is arranged
There is copper sheath.
Preferably, the surface of the copper sheath is arranged with first screen layer, the first screen layer with a thickness of 0.8-
1.0mm, eccentricity are no more than 15%.
Preferably, the surface of the first screen layer is coated with uvioresistant layer, and the uvioresistant layer uses nanoscale
Layer with inorganic particles, and nano grade inorganic particulate layer is silicon dioxide layer.
Preferably, the surface of the uvioresistant layer is coated with fireprotection layer, and the fireprotection layer uses high fire-retardance halogen belt.
Preferably, the surface of the fireprotection layer is coated with oversheath, and the oversheath uses corrosion proof cable crust.
Preferably, the copper sheath uses seamless copper pipe, and the copper sheath is grounded by ground joint.
Preferably, the conducting wire includes conductor and second insulating layer, and the second insulating layer is coated on the surface of conductor.
Preferably, the surface of the second insulating layer is coated with secondary shielding layer, the surface cladding of the secondary shielding layer
There is flame-retardant layer.
Preferably, the flame-retardant layer uses fiberglass braided layer, and the surface of the flame-retardant layer is coated with inner sheath.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model is arranged by being provided with supporting element between inner core and the first insulating layer, and by conducting wire each
Between supporting element, when cable is under pressure, pressure is transferred to supporting element by the first insulating layer, and pressure is transferred to interior by supporting element
Core avoids conducting wire from being squeezed and damage so that extraneous pressure be avoided to act on conducting wire, by being provided with filled layer, filling
Layer uses polystyrene layer, can play the role of insulation and buffering, and by being provided with copper sheath, copper sheath can equally be played
Resistance to compression effect, avoids cable from being squeezed and damage, passes through matching for inner core, the first insulating layer, supporting element, conducting wire and copper sheath
It closes, solves existing cable when being squeezed by biggish external force, the outside of cable and cable core easily deforms and cable
Core is damaged by external force, and so as to cause the stability that cable uses, safety accident, crisis personal safety as well as the property safety seriously can then occur
The problem of.
2, the utility model, which passes through, is provided with first screen layer and secondary shielding layer, it is possible to reduce external electromagnetic field to power supply or
The influence of communication line can be played the role of stopping to absorb ultraviolet light, be prevented by being provided with by being provided with uvioresistant layer
Fire bed does not melt under the conditions of having flame, nonflame for 500 to 1,200 degrees Celsius, does not fall off and not will cause spot fire, can burn
At firm ceramic-like armour body, the longer the time the harder, can play extraordinary heat-insulated, cooling, fire resisting effect, have preferably
Insulating effect；In addition the ceramic band flue gas toxity is small, and water absorption rate is small, stable insulation, good environmental protection.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model conductor structure schematic diagram；
Fig. 3 is the utility model ground joint structural schematic diagram.
In figure: 1 inner core, 2 first insulating layers, 3 supporting elements, 4 conducting wires, 401 conductors, 402 second insulating layers, 403 second screens
Cover layer, 404 flame-retardant layers, 405 inner sheaths, 5 filled layers, 6 copper sheaths, 7 first screen layers, 8 uvioresistant layers, 9 fireprotection layers, outside 10
Sheath, 11 ground joints.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of flexible mineral matter insulated cable, including inner core 1 and the first insulating layer 2, inner core 1 and first
It is provided with multiple supporting elements 3 between insulating layer 2, conducting wire 4, inner core 1 and the first insulation are provided between supporting element 3 and supporting element 3
Filled layer 5 is filled between layer 2, the surface of the first insulating layer 2 is arranged with copper sheath 6, and the surface of copper sheath 6 is arranged with the first screen
Cover layer 7, first screen layer 7 with a thickness of 0.8-1.0mm, eccentricity is no more than 15%, by being provided with 7 He of first screen layer
Secondary shielding layer 403, it is possible to reduce influence of the external electromagnetic field to power supply or communication line, the surface of first screen layer 7 are coated with
Uvioresistant layer 8, uvioresistant layer 8 uses nano grade inorganic particulate layer, and nano grade inorganic particulate layer is silicon dioxide layer, is led to
It crosses and is provided with uvioresistant layer 8, can play the role of stopping to absorb ultraviolet light, the surface of uvioresistant layer 8 is coated with fire prevention
Layer 9, fireprotection layer 9 use high fire-retardance halogen belt, by being provided with fireprotection layer 9, have flame, nonflame at 500 to 1,200 degrees Celsius
Under the conditions of do not melt, do not fall off and not will cause spot fire, firm ceramic-like armour body can be burnt into, the longer the time the harder, energy
Extraordinary heat-insulated, cooling, fire resisting effect is played, has preferable insulating effect；In addition the ceramic band flue gas toxity is small, inhales
Water rate is small, stable insulation, good environmental protection, and the surface of fireprotection layer 9 is coated with oversheath 10, and oversheath 10 is using corrosion-resistant
Cable sheath, copper sheath 6 use seamless copper pipe, and copper sheath 6 is grounded by ground joint 11, and conducting wire 4 includes conductor 401 and second
Insulating layer 402, second insulating layer 402 are coated on the surface of conductor 401, and the surface of second insulating layer 402 is coated with secondary shielding
Layer 403, the surface of secondary shielding layer 403 are coated with flame-retardant layer 404, and flame-retardant layer 404 uses fiberglass braided layer, flame-retardant layer
404 surface is coated with inner sheath 405, by being provided with supporting element 3 between inner core 1 and the first insulating layer 2, and by conducting wire 4
It is arranged between each supporting element 3, when cable is under pressure, pressure is transferred to supporting element 3, supporting element 3 by the first insulating layer 2
Pressure is transferred to inner core 1, so that extraneous pressure be avoided to act on conducting wire 4, avoids conducting wire 4 from being squeezed and damage, passes through
Provided with filled layer 5, filled layer 5 uses polystyrene layer, can play the role of insulation and buffering, by being provided with copper sheath
6, copper sheath 6 can equally play the role of resistance to compression, and cable is avoided to be squeezed and damage, and pass through inner core 1, the first insulating layer 2, branch
The cooperation of support member 3, conducting wire 4 and copper sheath 6 solves existing cable when being squeezed by biggish external force, the outside of cable with
And cable core easily deforms and cable core is damaged by external force, so as to cause the stability that cable uses, seriously can then occur
The problem of safety accident, crisis personal safety as well as the property safety.
In use, being arranged by being provided with supporting element 3 between inner core 1 and the first insulating layer 2, and by conducting wire 4 each
Between supporting element 3, when cable is under pressure, pressure is transferred to supporting element 3 by the first insulating layer 2, and supporting element 3 transmits pressure
Conducting wire 4 is avoided to be squeezed and damage to inner core 1 so that extraneous pressure be avoided to act on conducting wire 4, by being provided with filling
Layer 5, filled layer 5 use polystyrene layer, can play the role of insulation and buffering, by being provided with copper sheath 6, copper sheath 6
Resistance to compression can equally be played the role of, cable is avoided to be squeezed and damage, by inner core 1, the first insulating layer 2, supporting element 3, led
The cooperation of line 4 and copper sheath 6 solves existing cable when being squeezed by biggish external force, and the outside of cable and cable core hold
It easily deforms and cable core is damaged by external force, so as to cause the stability that cable uses, safe thing seriously can then occur
Therefore the problem of crisis personal safety as well as the property safety.
In summary: the flexible mineral matter insulated cable by inner core 1, the first insulating layer 2, supporting element 3, conducting wire 4, is filled out
The cooperation for filling layer 5 and copper sheath 6 solves existing cable when being squeezed by biggish external force, the outside of cable and cable core
It easily deforms and cable core is damaged by external force, so as to cause the stability that cable uses, safe thing seriously can then occur
Therefore the problem of crisis personal safety as well as the property safety.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of flexible mineral matter insulated cable, including inner core (1) and the first insulating layer (2), it is characterised in that: the inner core
(1) it is provided between the first insulating layer (2) multiple supporting elements (3), is provided between the supporting element (3) and supporting element (3)
Conducting wire (4) is filled with filled layer (5) between the inner core (1) and the first insulating layer (2), the surface of first insulating layer (2)
It is arranged with copper sheath (6).
2. a kind of flexible mineral matter insulated cable according to claim 1, it is characterised in that: the table of the copper sheath (6)
Surface cover is equipped with first screen layer (7), the first screen layer (7) with a thickness of 0.8-1.0mm, eccentricity is no more than 15%.
3. a kind of flexible mineral matter insulated cable according to claim 2, it is characterised in that: the first screen layer (7)
Surface be coated with uvioresistant layer (8), the uvioresistant layer (8) uses nano grade inorganic particulate layer, and nano grade inorganic
Particulate layer is silicon dioxide layer.
4. a kind of flexible mineral matter insulated cable according to claim 3, it is characterised in that: the uvioresistant layer (8)
Surface be coated with fireprotection layer (9), the fireprotection layer (9) use high fire-retardance halogen belt.
5. a kind of flexible mineral matter insulated cable according to claim 4, it is characterised in that: the table of the fireprotection layer (9)
Bread is covered with oversheath (10), and the oversheath (10) uses corrosion proof cable crust.
6. a kind of flexible mineral matter insulated cable according to claim 1, it is characterised in that: the copper sheath (6) uses
Seamless copper pipe, the copper sheath (6) are grounded by ground joint (11).
7. a kind of flexible mineral matter insulated cable according to claim 1, it is characterised in that: the conducting wire (4) includes leading
Body (401) and second insulating layer (402), the second insulating layer (402) are coated on the surface of conductor (401).
8. a kind of flexible mineral matter insulated cable according to claim 7, it is characterised in that: the second insulating layer
(402) surface is coated with secondary shielding layer (403), and the surface of the secondary shielding layer (403) is coated with flame-retardant layer (404).
9. a kind of flexible mineral matter insulated cable according to claim 8, it is characterised in that: the flame-retardant layer (404) is adopted
Inner sheath (405) are coated with the surface of fiberglass braided layer, the flame-retardant layer (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767282.8U CN208903692U (en) | 2018-10-30 | 2018-10-30 | A kind of flexible mineral matter insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767282.8U CN208903692U (en) | 2018-10-30 | 2018-10-30 | A kind of flexible mineral matter insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903692U true CN208903692U (en) | 2019-05-24 |
Family
ID=66577143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821767282.8U Active CN208903692U (en) | 2018-10-30 | 2018-10-30 | A kind of flexible mineral matter insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903692U (en) |
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2018
- 2018-10-30 CN CN201821767282.8U patent/CN208903692U/en active Active
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