CN213958627U - High-shielding inorganic mineral insulated control cable - Google Patents
High-shielding inorganic mineral insulated control cable Download PDFInfo
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- CN213958627U CN213958627U CN202120067798.7U CN202120067798U CN213958627U CN 213958627 U CN213958627 U CN 213958627U CN 202120067798 U CN202120067798 U CN 202120067798U CN 213958627 U CN213958627 U CN 213958627U
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- tinned copper
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Abstract
The utility model discloses a high-shielding inorganic mineral insulation control cable, which comprises a plurality of circular wire cores, wherein a first tinned copper wire braid layer is wrapped outside each wire core; a ceramic fireproof filling rope is filled between the first tinned copper wire braided layer and the wire core; a layer of ceramic silicon rubber composite tape is lapped and wrapped outside the first tinned copper wire braided layer to form a fireproof layer, and a cable protective layer formed by coating ceramic halogen-free polyolefin plastics is arranged outside the fireproof layer; the conductor in the wire core is formed by twisting a fifth type tin-plated copper monofilament bundle, and an insulating layer formed by overlapping and wrapping a double-layer ceramic silicon rubber composite belt is arranged outside the conductor; and a second tinned copper wire braid is crossly braided outside the insulating layer. The utility model aims at providing a high temperature resistant, the stable performance, inside sinle silk is difficult for distinguishing, receives outside electromagnetic signal interference's high shielding type inorganic mineral insulated control cable easily.
Description
Technical Field
The utility model belongs to the wire and cable field, concretely relates to inorganic mineral insulation control cable of high shielding type.
Background
With the rapid development of domestic economy, electric wires and cables are also rapidly developing as the second major industry after the automobile industry. In recent years, with the wider and wider power utilization field, the demand of cables is larger and larger, the performance requirements of cables in different power utilization environments are also more and more, the requirements on fire resistance and halogen-free environmental protection performance are more and more, in recent years, inorganic mineral insulated cables are widely used in the fields of fire-proof and fire-resistant cables, and ceramic materials, which are the most inorganic mineral materials, are particularly prominent in the aspects of fire-proof and fire-resistant cable materials. However, the inner core of the existing cable is not easy to distinguish and is easily interfered by external electromagnetic signals.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims at providing a high temperature resistant, stable performance, inside sinle silk is difficult for distinguishing, receives outside electromagnetic signal interference's high shielding type inorganic mineral insulated control cable easily.
In order to realize the purpose, the utility model discloses a technical scheme be:
a high-shielding inorganic mineral insulation control cable comprises a plurality of round wire cores, wherein a first tinned copper wire braid layer is wrapped outside each wire core; a ceramic fireproof filling rope is filled between the first tinned copper wire braided layer and the wire core; a layer of ceramic silicon rubber composite tape is lapped and wrapped outside the first tinned copper wire braided layer to form a fireproof layer, and a cable protective layer formed by coating ceramic halogen-free polyolefin plastics is arranged outside the fireproof layer; the conductor in the wire core is formed by twisting a fifth type tin-plated copper monofilament bundle, and an insulating layer formed by overlapping and wrapping a double-layer ceramic silicon rubber composite belt is arranged outside the conductor; and a second tinned copper wire braid is crossly braided outside the insulating layer.
Preferably, the outer surface of the insulating layer is printed with line core marks by ink interval spraying.
Preferably, the cores are indicated as a sequence of numbers spaced 200mm apart.
Preferably, the thickness of the ceramic silicon rubber composite tape of the insulating layer is 0.2mm, each layer of ceramic silicon rubber composite tape is lapped in an overlapping mode, and the overlapping rate is 50% of the tape width.
Preferably, the first tinned copper wire braid is formed by alternately weaving a layer of single-filament tinned copper wire, the outer diameter of the tinned copper wire is 0.20mm, and the weaving density of the galvanized copper wire is 85%.
Preferably, the second tinned copper wire braided layer is formed by braiding a layer of tinned copper wire with the single wire outer diameter of 0.15mm, and the braiding density of the galvanized copper wire is 85%.
Preferably, the fireproof layer is formed by a layer of ceramic silicon rubber composite belt which is overlapped and wrapped outside the first tinned copper wire braided layer, the thickness of the ceramic silicon rubber composite belt of the fireproof layer is 0.4mm, and the overlapping rate in the wrapping process is 30% of the width of the belt.
Preferably, the thickness of the sheath is 1.8 mm.
The utility model discloses the beneficial effect who has does:
1. the utility model discloses an outer parcel of sinle silk has first tinned copper wire weaving layer, and it is alternately woven by one deck monofilament tinned copper wire and forms, and the external diameter of tinned copper wire is 0.20mm, and the weaving density of tinned copper wire is 85%, can effectively shield the outside electromagnetic signal interference of cable.
2. A plurality of ceramic fireproof filling ropes are filled between the first tinned copper wire weaving layer and the wire core, so that the fire resistance of the cable can be obviously improved.
3. The conductor is externally provided with an insulating layer formed by overlapping and wrapping double-layer ceramic silicon rubber composite belts, so that the fire resistance of the cable can be obviously improved.
4. The outer surface of the insulating layer is printed with wire core marks at intervals by ink, and the wire core marks are 1, 2 and 3 … … digital sequences printed by the ink at intervals of 200mm, so that the inner wire cores are easier to distinguish.
5. The second tinned copper wire braided layer is formed by braiding a layer of tinned copper wire with the single wire outer diameter of 0.15mm, the braiding density is 85%, and the electromagnetic signal interference outside the cable can be effectively shielded.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, the utility model provides a high shielding type inorganic mineral insulation control cable, including many circular shape sinle silks, the outer parcel of sinle silks has first tinned copper wire weaving layer 5. First tinned copper wire weaving layer 5 is formed by the alternately weaving of one deck monofilament tinned copper wire, and the external diameter of tinned copper wire is 0.20mm, and the weaving density of galvanized copper wire is 85%, can effectively shield the outside electromagnetic signal interference of cable.
A plurality of ceramic fireproof filling ropes 4 are filled between the first tinned copper wire braid layer 5 and the wire core. The specification of the ceramic fireproof filling rope 4 is set according to the size of the wire cores, and 1# ceramic filling with the outer diameter of 2.0mm is filled among the wire cores of 1.5 mm; 2# ceramic filling with the outer diameter of 3.5mm is filled among the wire cores of the 2.5 mm; 3# ceramic filling with outer diameter of 4.5mm is filled between 4mm and above cores, so that fire resistance of the cable can be remarkably improved.
A fireproof layer 6 is formed outside the first tinned copper wire woven layer 5 by overlapping and wrapping a layer of ceramic silicon rubber composite belt, the fireproof layer 6 is formed by overlapping and wrapping a layer of ceramic silicon rubber composite belt outside the first tinned copper wire woven layer 5, the thickness of the ceramic silicon rubber composite belt of the fireproof layer 6 is 0.4mm, and the overlapping rate during wrapping is 30% of the belt width.
The cable protective layer 7 with the thickness of 1.8mm is formed by coating ceramic halogen-free polyolefin plastics outside the fireproof layer 6, and the ceramic halogen-free polyolefin plastics generate a hard ceramic shell under the high temperature or flame firing, so that the normal operation of the control cable under the fire disaster condition is effectively protected. When the fireproof layer 6 is manufactured, ceramic halogen-free polyolefin plastic is extruded and coated outside the fireproof layer 6 through extrusion equipment in a molten state at the temperature of 140 ℃.
The outer surface of the insulating layer 2 is printed with wire core marks at intervals by ink, and the wire core marks are 1, 2 and 3 … … digital sequences printed by the ink at intervals of 200mm, so that the inner wire cores are easier to distinguish.
And a second tinned copper wire braid layer 3 is crossly braided outside the insulating layer 2. The second tinned copper wire braided layer 3 is formed by braiding a layer of tinned copper wire with the single wire external diameter of 0.15mm, the braiding density of the tinned copper wire is 85%, and the electromagnetic signal interference outside the cable can be effectively shielded.
Claims (8)
1. The utility model provides a high inorganic mineral insulation control cable of shielding type which characterized in that: the cable comprises a plurality of round cable cores, wherein a first tinned copper wire braided layer is wrapped outside each cable core; a ceramic fireproof filling rope is filled between the first tinned copper wire braided layer and the wire core; a layer of ceramic silicon rubber composite tape is lapped and wrapped outside the first tinned copper wire braided layer to form a fireproof layer, and a cable protective layer formed by coating ceramic halogen-free polyolefin plastics is arranged outside the fireproof layer; the conductor in the wire core is formed by twisting a fifth type tin-plated copper monofilament bundle, and an insulating layer formed by overlapping and wrapping a double-layer ceramic silicon rubber composite belt is arranged outside the conductor; and a second tinned copper wire braid is crossly braided outside the insulating layer.
2. The highly shielded inorganic mineral insulated control cable according to claim 1, wherein: the outer surface of the insulating layer is printed with line core marks by ink at intervals.
3. The highly shielded inorganic mineral insulated control cable according to claim 2, wherein: the cores are indicated as a sequence of numbers spaced 200mm apart.
4. The highly shielded inorganic mineral insulated control cable according to claim 3, wherein: the thickness of the ceramic silicon rubber composite tape of the insulating layer is 0.2mm, each layer of ceramic silicon rubber composite tape is lapped and wrapped in an overlapping mode, and the overlapping rate is 50% of the tape width.
5. The highly shielded inorganic mineral insulated control cable according to claim 4, wherein: the first tinned copper wire braid is formed by alternately weaving a layer of single-filament tinned copper wire, the outer diameter of the tinned copper wire is 0.20mm, and the weaving density of the galvanized copper wire is 85%.
6. The highly shielded inorganic mineral insulated control cable according to claim 5, wherein: the second tinned copper wire braided layer is formed by braiding a layer of tinned copper wire with the single wire external diameter of 0.15mm, and the braiding density of the tinned copper wire is 85%.
7. The highly shielded inorganic mineral insulated control cable according to claim 6, wherein: the fireproof layer is formed by a layer of ceramic silicon rubber composite belt which is overlapped and wrapped outside the first tinned copper wire braided layer, the thickness of the ceramic silicon rubber composite belt of the fireproof layer is 0.4mm, and the overlapping rate during wrapping is 30% of the width of the belt.
8. The highly shielded inorganic mineral insulated control cable according to claim 7, wherein: the thickness of the cable sheath is 1.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067798.7U CN213958627U (en) | 2021-01-12 | 2021-01-12 | High-shielding inorganic mineral insulated control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067798.7U CN213958627U (en) | 2021-01-12 | 2021-01-12 | High-shielding inorganic mineral insulated control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213958627U true CN213958627U (en) | 2021-08-13 |
Family
ID=77197850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120067798.7U Active CN213958627U (en) | 2021-01-12 | 2021-01-12 | High-shielding inorganic mineral insulated control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213958627U (en) |
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2021
- 2021-01-12 CN CN202120067798.7U patent/CN213958627U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high shielding inorganic mineral insulated control cable Effective date of registration: 20220617 Granted publication date: 20210813 Pledgee: Zhumadian branch of China Construction Bank Corp. Pledgor: HENAN LESHAN CABLE CO.,LTD. Registration number: Y2022980008033 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230625 Granted publication date: 20210813 Pledgee: Zhumadian branch of China Construction Bank Corp. Pledgor: HENAN LESHAN CABLE CO.,LTD. Registration number: Y2022980008033 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A High Shielding Inorganic Mineral Insulated Control Cable Effective date of registration: 20230628 Granted publication date: 20210813 Pledgee: Zhumadian branch of China Construction Bank Corp. Pledgor: HENAN LESHAN CABLE CO.,LTD. Registration number: Y2023980046325 |