CN220627427U - Insulation fireproof heat-resistant compensating wire - Google Patents
Insulation fireproof heat-resistant compensating wire Download PDFInfo
- Publication number
- CN220627427U CN220627427U CN202321937515.5U CN202321937515U CN220627427U CN 220627427 U CN220627427 U CN 220627427U CN 202321937515 U CN202321937515 U CN 202321937515U CN 220627427 U CN220627427 U CN 220627427U
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- CN
- China
- Prior art keywords
- layer
- outside
- insulating
- conductor
- sheath
- Prior art date
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Links
- 238000009413 insulation Methods 0.000 title description 12
- 239000010410 layer Substances 0.000 claims abstract description 57
- 239000004020 conductor Substances 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000011241 protective layer Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 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 description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses an insulating fireproof heat-resistant compensating wire, which comprises a plurality of wire cores and a sheath sleeved outside the wire cores, wherein the wire cores comprise conductors formed by twisting a plurality of oxygen-free copper wires, an insulating layer is arranged outside the conductors in a connecting mode, an insulating shielding layer is wound outside the insulating layer, a filling layer is filled between the wire cores in the sheath, the sheath comprises an inner liner wound outside the filling layer, a separation frame is connected between the inner liner and the wire cores, an oil duct is arranged between the separation frame and the filling layer in a penetrating and sealing mode, and a metal shielding armor and an outer protective layer are sequentially connected outside the inner liner from inside to outside. Compared with the prior art, the utility model has the advantages that: fireproof and high-temperature resistant, and avoids damage caused by air gap bulge.
Description
Technical Field
The utility model relates to the technical field of compensation wires, in particular to an insulating fireproof heat-resistant compensation wire.
Background
The main function of the compensation lead is to move the cold end of the thermocouple from a high temperature to a place with stable temperature, and meanwhile, the noble metal and rare metal adopted by the thermocouple can be saved, so that the aim of saving cost is achieved.
The existing insulation fireproof heat-resistant compensating wire has the advantages that the arrangement of the heat-resistant insulating layer and the sheath has the functions of high temperature resistance and insulation, but the contact between the wire core and the inner bushing is not good, so that an air gap exists between the wire core and the inner bushing, when the wire continuously works and is always in a high-temperature environment, the air gap expands at high temperature, even the wire is inflated to be damaged, and the using effect of the wire is affected.
Disclosure of Invention
The utility model aims to overcome the technical defects and provide the insulation fireproof heat-resistant compensating wire which is fireproof and resistant to high temperature and avoids damage caused by air gap bulge.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides an insulating fire prevention heat-resistant type compensating wire, includes a plurality of sinle silk and cup joints the sheath outside the sinle silk, the sinle silk includes the conductor that is formed by the transposition of a plurality of oxygen-free copper wires, conductor external connection is equipped with the insulating layer, insulating layer is outward around being equipped with insulating shield layer, the sheath is filled with the filling layer between the sinle silk, the sheath is including wrapping the inner liner outside the filling layer, the inner liner is connected between the sinle silk and is equipped with the spacer, sealed through connection is equipped with the oil duct between spacer and the filling layer, the inner liner is outward by interior and outer being equipped with metal shield armor and the outer sheath of connecting gradually.
Compared with the prior art, the utility model has the advantages that: the insulation layer is arranged to facilitate the isolation of the conductors, so that electric leakage and short circuit are prevented; the insulating shielding layer is a transition layer between the insulating layer and the sheath, and is in good contact with the insulating layer, so that partial discharge of the conductor between the insulating layer and the sheath is avoided; the wire cores are conveniently protected through the matched arrangement of the filling layer, the inner liner layer, the metal shielding armor and the outer protective layer, the wire cores are conveniently combined together, abrasion among the wire cores is reduced, the conductor is protected from the interference of an external electric field and an electromagnetic field, the conductor can have certain compression resistance, and the outer protective layer has a flame-retardant and fireproof function; meanwhile, the arrangement of the partition frame is convenient for positioning the wire core, wire core deviation is avoided, and the oil duct is arranged to enable oil in the oil duct to flow back and forth under temperature change, so that the cooling effect is achieved.
Furthermore, the conductor is covered with a protective film for preventing oxidation, and the arrangement of the protective film prevents the conductor from being oxidized or generating copper green.
Further, the insulating layer is made of polyvinyl chloride insulating materials, and the insulating layer after thermal shrinkage is sleeved outside the vacuumized conductor, so that the insulating layer is conveniently and tightly attached to the conductor, and the damage of the conductor caused by expansion of an air gap in the conductor in a high-temperature environment is avoided.
Furthermore, the metal shielding armor is formed by wrapping a thin aluminum strip, the overlapped parts of the thin aluminum strip are adhered together and coated with an anti-corrosion coating, the thin aluminum strip and the anti-corrosion coating are arranged so that the thin aluminum strip forms a whole, and the metal shielding armor has certain compression resistance and is convenient for protecting a conductor from being interfered by external electric fields and electromagnetic fields.
Further, the outer protective layer adopts the silicon rubber added with the flame retardant, so that the outer protective layer is convenient to prevent fire, and the silicon rubber has the characteristics of stability, high temperature resistance, abrasion resistance and good flexibility, and is convenient to protect conductors.
Drawings
Fig. 1 is a schematic perspective view of an insulated fireproof heat-resistant compensating wire according to the present utility model.
Fig. 2 is a schematic side view of an insulated fireproof heat-resistant compensating conductor according to the utility model.
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2.
As shown in the figure: 1. the cable comprises a conductor, 2, an insulating layer, 3, an insulating shielding layer, 4, a filling layer, 5, an inner lining layer, 6, a spacer, 7, an oil duct, 8, a metal shielding armor, 9, an outer protective layer, 10, a protective film, 11, silicone rubber, 12, a cable core, 13 and a sheath.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
Referring to fig. 1 and 3, an insulation fireproof heat-resistant compensating wire comprises a plurality of wire cores (12) and a sheath (13) sleeved outside the wire cores (12), wherein each wire core (12) comprises a conductor (1) formed by twisting a plurality of oxygen-free copper wires, a layer of protection film (10) for preventing oxidization is covered outside each conductor (1), an insulation layer (2) is connected outside each conductor (1), the insulation layers (2) are made of polyvinyl chloride insulation materials, the insulation layers (2) after thermal shrinkage are sleeved outside the evacuated conductors (1), and an insulation shielding layer (3) is wound outside each insulation layer (2);
referring to fig. 2 and 3, the filling layer (4) is filled between the wire cores (12) in the sheath (13), the sheath (13) comprises an inner liner (5) wrapped outside the filling layer (4), a separation frame (6) is connected between the wire cores (12) in the inner liner (5), an oil duct (7) is arranged between the separation frame (6) and the filling layer (4) in a sealing and penetrating manner, a metal shielding armor (8) and an outer protective layer (9) are sequentially connected outside the inner liner (5) from inside to outside, the metal shielding armor (8) is formed by wrapping a thin aluminum strip, overlapping parts of the thin aluminum strips are bonded together and are coated with anti-corrosion paint, and the outer protective layer (9) is made of silicon rubber (11) added with flame retardants.
In the concrete implementation of the utility model, the arrangement of the protective film (10) prevents the conductor (1) from oxidizing or generating copper green, the conductor (1) is conveniently isolated through the arrangement of the insulating layer (2), electric leakage and short circuit are prevented, the insulating layer (2) after thermal shrinkage is sheathed outside the vacuumized conductor (1), the insulating layer (2) is conveniently and tightly attached to the conductor (1), and the damage of the conductor caused by the expansion of an air gap in the conductor in a high-temperature environment is avoided; the insulating shielding layer (3) is a transition layer between the insulating layer (2) and the sheath (13), and is in good contact with the insulating layer (2), so that partial discharge of the conductor (1) between the insulating layer (2) and the sheath (13) is avoided; the wire core (12) is conveniently protected through the cooperation setting of the filling layer (4), the lining layer (5), the metal shielding armor (8) and the outer protective layer (9), the lining layer (5) is convenient for combining a plurality of wire cores (12) together, the setting of the filling layer (4) reduces abrasion among the wire cores (12), the metal shielding armor (8) comprises a thin aluminum strip and an anti-corrosion coating, the thin aluminum strip is convenient to form a whole, the metal shielding armor has certain compression resistance, the conductor (1) is convenient to be protected from the interference of an external electric field and an electromagnetic field, the outer protective layer (9) adopts the silicon rubber (11) added with a flame retardant, the outer protective layer (9) is convenient to prevent fire, and the silicon rubber (11) has the characteristics of stability, high temperature resistance, abrasion resistance and good flexibility, and is convenient to protect the conductor (1); meanwhile, the arrangement of the partition frame (6) is convenient for positioning the wire core (12), the wire core (12) is prevented from being deviated, and the oil in the oil duct (7) flows back and forth under the temperature change due to the arrangement of the oil duct (7), so that the cooling effect is achieved.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (5)
1. The utility model provides an insulating fire prevention heat resistance type compensating wire, includes a plurality of sinle silk (12) and cup joints sheath (13) in sinle silk (12) outer, its characterized in that: the wire core (12) comprises a conductor (1) formed by stranding a plurality of oxygen-free copper wires, an insulating layer (2) is arranged on the outer connection of the conductor (1), an insulating shielding layer (3) is wrapped outside the insulating layer (2), a filling layer (4) is filled between the wire cores (12) through a sheath (13), the sheath (13) comprises an inner liner (5) wrapped outside the filling layer (4), a separation frame (6) is connected between the wire cores (12) through the inner liner (5), an oil duct (7) is arranged between the separation frame (6) and the filling layer (4) in a sealing penetrating connection mode, and a metal shielding armor (8) and an outer protective layer (9) are sequentially connected outside the inner liner (5) from inside to outside.
2. An insulated fireproof and heat-resistant compensating conductor according to claim 1, characterized in that: the conductor (1) is covered with a protective film (10) for preventing oxidation.
3. An insulated fireproof and heat-resistant compensating conductor according to claim 1, characterized in that: the insulating layer (2) is made of polyvinyl chloride insulating materials, and the insulating layer (2) after thermal shrinkage is sleeved outside the vacuumized conductor (1).
4. An insulated fireproof and heat-resistant compensating conductor according to claim 1, characterized in that: the metal shielding armor (8) is formed by wrapping thin aluminum strips, and overlapping parts of the thin aluminum strips are bonded together and coated with anti-corrosion paint.
5. An insulated fireproof and heat-resistant compensating conductor according to claim 1, characterized in that: the outer protective layer (9) adopts silicon rubber (11) added with flame retardant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321937515.5U CN220627427U (en) | 2023-07-22 | 2023-07-22 | Insulation fireproof heat-resistant compensating wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321937515.5U CN220627427U (en) | 2023-07-22 | 2023-07-22 | Insulation fireproof heat-resistant compensating wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220627427U true CN220627427U (en) | 2024-03-19 |
Family
ID=90225484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321937515.5U Active CN220627427U (en) | 2023-07-22 | 2023-07-22 | Insulation fireproof heat-resistant compensating wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220627427U (en) |
-
2023
- 2023-07-22 CN CN202321937515.5U patent/CN220627427U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |