CN111403095A - Cold-resistant cable with long service life - Google Patents
Cold-resistant cable with long service life Download PDFInfo
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- CN111403095A CN111403095A CN202010188255.0A CN202010188255A CN111403095A CN 111403095 A CN111403095 A CN 111403095A CN 202010188255 A CN202010188255 A CN 202010188255A CN 111403095 A CN111403095 A CN 111403095A
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- cable
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- hoses
- movable unit
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- 239000004020 conductor Substances 0.000 claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 8
- 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 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 24
- 239000011241 protective layer Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003320 cold-resistant material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/008—Power cables for overhead application
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a long-life cold-resistant cable which comprises a central framework, 3 tensile ropes and 3 cable cores, wherein the framework extends along the length direction of the cable, the outer side of the framework is provided with 3 first grooves and 3 second grooves, the first grooves are used for being abutted with the tensile ropes, the second grooves are used for being abutted with the cable cores, the cable cores sequentially comprise conductors, insulating layers and flame-retardant layers from inside to outside, the cable further comprises an inner protection layer surrounding all the tensile ropes and all the cable cores, an armor layer is arranged outside the inner protection layer, and an outer sheath is arranged outside the armor layer. The cable of the invention can be used for a long time in cold regions.
Description
Technical Field
The invention relates to the field of cables, in particular to a long-life cold-resistant cable.
Background
The main body of the power cable is a built-in conductor, an insulating layer and a sheath layer are added on the conductor, and the power cable with the insulating protection structure is convenient for safe electricity utilization. Under normal conditions, power cables are erected in the open air and greatly affected by natural environment, particularly in some cold regions, ice sticks are easily formed below the cables due to rainfall and snowfall in winter, the weight of the cables is greatly increased, and the long-time overload load can lead to the reduction of the service life of the cables.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the problems in the prior art and provides a long-life cold-resistant cable.
The technical scheme is as follows: the utility model provides a cold-resistant cable of long-life, includes central skeleton, 3 stretch proofing ropes and 3 cable cores, the skeleton extends along cable length direction, the skeleton outside has 3 first recesses and 3 second recesses, first recess be used for with the stretch proofing rope butt, the second recess is used for the cable core butt, the cable core includes conductor, insulating layer and fire-retardant layer from inside to outside in proper order, the cable is still including the interior sheath that surrounds all stretch proofing ropes and all cable cores, interior sheath has the armor outward, the armor has the oversheath outward.
Preferably, the deicing device further comprises a controller, a first fixing frame, a second fixing frame and a plurality of deicing units, wherein a first air pump and a second air pump are installed at the first fixing frame, the first air pump is connected with a first main pipe, the first main pipe is connected with a plurality of first hoses, the plurality of first hoses are connected in parallel, one end of each first hose is closed, the second air pump is connected with a second main pipe, the second main pipe is connected with a plurality of second hoses, the plurality of second hoses are connected in parallel, one end of each second hose is closed, and the closed ends of all the first hoses and the closed ends of all the second hoses are fixed at the second fixing frame; the outer sheath comprises a first part surrounding the armor layer and a second part fixed below the first part, the second part is provided with a first channel and a second channel located below the first channel, the second channel is communicated with the bottom ends of the first channel and the second part, a plurality of deicing units are arranged in a row along the length direction of the cable, each deicing unit comprises an upper movable unit, a lower movable unit and a cutting part, the upper movable unit is fixedly connected with the lower movable unit, the upper movable unit is accommodated in the first channel, the lower movable unit is accommodated in the second channel, the bottom end of the lower movable unit is fixed with a row of downward hanging rods, the lower movable unit is provided with two limiting through holes, the cutting part is fixed at the bottom end of the second part and comprises two strip-shaped plates and two connecting ribs connected between the two strip-shaped plates, and each connecting rib is inserted into one limiting through hole, the bottom end of the strip-shaped plate is provided with a plurality of cutting edges extending along the length direction of the cable; the first hoses pass through all the first channels, the second hoses pass through all the first channels, all the first hoses are positioned above the upper movable unit, and all the second hoses are positioned below the upper movable unit.
Preferably, the top end of the first channel is arc-surface-shaped, the bottom end of the first channel is arc-surface-shaped, and the corresponding diameters of the arc surface at the top end and the arc surface at the bottom end of the first channel are equal; the top end of the upper movable unit is arc-surface-shaped, and the bottom end of the upper movable unit is arc-surface-shaped.
Therefore, the upper movable unit is more attached when moving up and down in the first channel.
Preferably, the lower movable unit has a rectangular parallelepiped shape; the second channel is cuboid, and the widest part of the first channel is larger than the width of the second channel; the width of the lower movable unit is equal to the width of the second channel.
Thereby effectively limiting the lower movable unit.
Preferably, the strip-shaped plate is fixed with the bottom end of the second part through a fixing screw; the strip-shaped plate and the cutting edge are integrally formed and are made of engineering plastics.
Preferably, the number of the first hose and the second hose is more than 10; when all the first hoses are filled with air and the second hoses are exhausted with air, the connecting ribs are abutted to the top ends of the limiting through holes; when all second hoses are full of gas, and first hose is done all by pumping, the bottom of the spacing through-hole of splice bar butt.
Preferably, the spacing between adjacent deicing units is less than 5cm, preferably less than 0.5 cm; the downward hanging rod is in an inverted frustum shape; a plurality of drooping rods on the same deicing unit are distributed at equal intervals, and the interval between the adjacent drooping rods is less than 10 cm.
Preferably, the first and second portions of the outer sheath are integrally extruded, made of rubber or polyethylene; the outer sheath comprises a top end cambered surface, a bottom end plane and two inclined planes, and the two inclined planes are connected with the top end cambered surface and the bottom end plane.
The two inclined surfaces are beneficial for guiding the water flow to be frozen at the drop rod.
Preferably, the inner sheath is a low-smoke halogen-free inner sheath, the armor is a steel wire woven armor, and the skeleton is a nylon skeleton.
Preferably, the insulating layer is a fluoroplastic insulating layer or an ethylene propylene rubber insulating layer; the flame-retardant layer is made of a fireproof mica material; the conductor is a stranded copper conductor.
Further, the upper movable unit and the lower movable unit are both made of plastic.
Preferably, a valve is provided at each first hose and at each second hose.
Has the advantages that: the outer sheath, the insulating layer and the like of the cable are made of cold-resistant materials, so that the cable is favorable for being used in cold regions, the stretch resistance, the framework and the armor layer can provide enough mechanical performance for the cable, and more importantly, after an ice stick is formed on the cable, the ice removal can be effectively realized through the operation of the first air pump and the second air pump, so that the weight of the cable is timely reduced, and the long-term use of the cable is favorable.
Drawings
FIG. 1 is a schematic cross-sectional view of a cable with a first hose filled with air and a second hose filled with air;
FIG. 2 is a schematic cross-sectional view of a cable with a first hose dry and a second hose full;
FIG. 3 is a perspective view of a section of cable;
fig. 4 is a schematic exploded view of the component of fig. 3.
Detailed Description
Reference numerals: 1.1 skeleton; 1.2 tensile resistance; 1.3 flame retardant layer; 1.4 an insulating layer; 1.5 a conductor; 1.6 inner protecting layer; 1.7 armor layers; 1.8.1 first part; 1.8.2 second part; 2.1 a first channel; 2.2 a second channel; 3.1 an upper movable unit; 3.2 lower movable unit; 3.3 limiting the channel; 3.4 drop rod; 4.1 strip-shaped plates; 4.2 connecting ribs; 4.3 cutting edge; 4.4 fixing the screw; 5.1 a first hose; 5.2 second hose.
As shown in the figure, a cold-resistant cable of long-life, including central skeleton 1.1, 3 stretch-proofing rope 1.2 and 3 cable cores, skeleton 1.1 extends along cable length direction, the skeleton 1.1 outside has 3 first recesses and 3 second recesses, first recess be used for with stretch-proofing rope 1.2 butt, the second recess is used for the cable core butt, the cable core includes conductor 1.5, insulating layer 1.4 and flame retardant coating 1.3 from inside to outside in proper order, the cable is still including the inner sheath 1.6 that surrounds all stretch-proofing rope 1.2 and all cable cores, inner sheath 1.6 has armor 1.7 outward, armor 1.7 has the oversheath outward. The cable further comprises a controller, a first fixing frame, a second fixing frame and a plurality of deicing units, wherein a first air pump and a second air pump are installed at the first fixing frame, the first air pump is connected with a first main pipe, the first main pipe is connected with a plurality of first hoses 5.1, the plurality of first hoses are connected in parallel, one end of each first hose is closed, the second air pump is connected with a second main pipe, the second main pipe is connected with a plurality of second hoses 5.2, the plurality of second hoses are connected in parallel, one end of each second hose is closed, and the closed ends of all the first hoses and the closed ends of all the second hoses are fixed at the second fixing frame; the outer sheath comprises a first part 1.8.1 surrounding the armor layer and a second part 1.8.2 fixed below the first part 1.8.1, a first channel and a second channel positioned below the first channel are arranged at the position of the second part 1.8.2, the second channel is communicated with the bottom ends of the first channel and the second part, a plurality of deicing units are arranged in a row along the length direction of the cable, each deicing unit comprises an upper movable unit 3.1, a lower movable unit 3.2 and a cutting edge part, the upper movable unit 3.1 is fixedly connected with the lower movable unit 3.2, the upper movable unit 3.1 is accommodated in the first channel, the lower movable unit 3.2 is accommodated in the second channel, a row of lower hanging rods 3.4 is fixed at the bottom end of the lower movable unit 3.2, the lower movable unit is provided with two limiting through holes, the cutting edge part is fixed at the bottom end of the second part and comprises two strip-shaped plates 4.1 and two connecting ribs 4.2 connected between the two strip-shaped plates 4.1, each connecting rib 4.2 is inserted into one limiting through hole, and the bottom end of the strip-shaped plate 4.1 is provided with a plurality of cutting edges 4.3 extending along the length direction of the cable; the first hoses 5.1 pass through all the first channels, the second hoses 5.2 pass through all the first channels, all the first hoses 5.1 are positioned above the upper movable unit, and all the second hoses 5.2 are positioned below the upper movable unit.
The top end of the first channel is arc-surface-shaped, the bottom end of the first channel is arc-surface-shaped, and the corresponding diameters of the arc surface at the top end and the arc surface at the bottom end of the first channel are equal; the top end of the upper movable unit 3.1 is arc-surface shaped, and the bottom end is arc-surface shaped. The lower movable unit 3.2 is cuboid; the second channel is cuboid, and the widest part of the first channel is larger than the width of the second channel; the width of the lower movable unit is equal to the width of the second channel. The strip-shaped plate is fixed with the bottom end of the second part through a fixing screw 4.4; the strip-shaped plate 4.1 and the cutting edge 4.3 are integrally formed and are made of engineering plastics. The number of the first hose 5.1 and the number of the second hose 5.2 are both more than 10; when all the first hoses 5.1 are full of air and the second hoses 5.2 are exhausted, the connecting ribs are abutted to the top ends of the limiting through holes; when all second hoses 5.2 are full of gas, first hose 5.1 is taken out dry gas, the bottom of spacing through-hole of splice bar butt. The spacing between adjacent deicing units is less than 5cm, preferably less than 0.5 cm; the downward hanging rod is in an inverted frustum shape; a plurality of drooping rods on the same deicing unit are distributed at equal intervals, and the interval between the adjacent drooping rods is less than 10 cm. The first part 1.8.1 and the second part 1.8.2 of the outer sheath are integrally extruded and made of rubber or polyethylene; the outer sheath comprises a top end cambered surface, a bottom end plane and two inclined planes, and the two inclined planes are connected with the top end cambered surface and the bottom end plane. The inner protective layer 1.6 is a low-smoke halogen-free inner protective layer, the armor layer 1.7 is a steel wire woven armor layer, and the framework 1.1 is a nylon framework. The insulating layer 1.4 is a fluoroplastic insulating layer or an ethylene propylene rubber insulating layer; the flame-retardant layer 1.3 is made of a fire-resistant mica material; the conductor 1.5 is a stranded copper conductor.
As shown in the figure, the main structure of the cable is provided with a central supporting framework, 3 tensile ropes and cable cores are alternately arranged, so that the overall strength is high, and the cable is provided with an armor layer, an inner protective layer and an outer protective layer, so that the cable conductor is protected highly, and the cable is suitable for long-time use. In addition, the cable is correspondingly provided with deicing units in order to cope with cable icing, the deicing units are arranged in a row as shown in the figure, after the outer sheath of the cable is manufactured, the upper movable units are inserted into the first channel of the outer sheath (the upper movable units can be inserted from the side or the bottom of the outer sheath can be opened for insertion), and the strip-shaped plates are fixed at the bottom end of the second part through fixing screws. Normally, both the first and second tubes may be air-filled (some remains may not be relevant, although the first tube may be filled with air), so that as shown in fig. 1, the upper movable unit is located below, and the lower movable unit has a plurality of hanging rods below, so that the hanging rods guide the water flow to freeze along the hanging rods, forming a strip-shaped hanging ice block, which is wrapped around the hanging rods and fixed at the second portion of the lower movable unit and the outer sheath. When the deicing is needed, the first air pump is used for pumping the air of the first hose, the second air pump is used for filling the air of the second hose, the upper movable unit and the lower movable unit move upwards, the ice block is driven to move upwards, the ice block can break and fall due to the movement, better, due to the fact that the cutting edge is arranged, the ice block can melt quickly at the joint of the ice block and the cutting edge due to the fact that the cutting edge provides great pressure, and the ice block can be broken more favorably and can fall from the second part. The first and second air pumps may be controlled so that the upper and lower movable units are repeatedly moved up and down several times to completely crush the ice attached to the bottom end of the second part. Thereby avoiding the damage of the cable caused by long-time load bearing of the cable caused by the ice coating of the cable.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. The utility model provides a cold-resistant cable of long-life, its characterized in that, includes central skeleton, 3 stretch-proofing ropes and 3 cable cores, the skeleton extends along cable length direction, the skeleton outside has 3 first recesses and 3 second recesses, first recess is used for with the stretch-proofing rope butt, the second recess is used for the cable core butt, the cable core includes conductor, insulating layer and fire-retardant layer from inside to outside in proper order, the cable is still including the interior sheath that surrounds all stretch-proofing ropes and all cable cores, the interior sheath has the armor outward, the armor has the oversheath outward.
2. The long-life cold-resistant cable according to claim 1, further comprising a controller, a first fixing frame, a second fixing frame and a plurality of deicing units, wherein a first air pump and a second air pump are installed at the first fixing frame, the first air pump is connected with a first main pipe, the first main pipe is connected with a plurality of first hoses, the plurality of first hoses are connected in parallel, one end of each first hose is closed, the second air pump is connected with a second main pipe, the second main pipe is connected with a plurality of second hoses, the plurality of second hoses are connected in parallel, one end of each second hose is closed, and the closed ends of all the first hoses and the closed ends of all the second hoses are fixed at the second fixing frame; the outer sheath comprises a first part surrounding the armor layer and a second part fixed below the first part, the second part is provided with a first channel and a second channel located below the first channel, the second channel is communicated with the bottom ends of the first channel and the second part, a plurality of deicing units are arranged in a row along the length direction of the cable, each deicing unit comprises an upper movable unit, a lower movable unit and a cutting part, the upper movable unit is fixedly connected with the lower movable unit, the upper movable unit is accommodated in the first channel, the lower movable unit is accommodated in the second channel, the bottom end of the lower movable unit is fixed with a row of downward hanging rods, the lower movable unit is provided with two limiting through holes, the cutting part is fixed at the bottom end of the second part and comprises two strip-shaped plates and two connecting ribs connected between the two strip-shaped plates, and each connecting rib is inserted into one limiting through hole, the bottom end of the strip-shaped plate is provided with a plurality of cutting edges extending along the length direction of the cable; the first hoses pass through all the first channels, the second hoses pass through all the first channels, all the first hoses are positioned above the upper movable unit, and all the second hoses are positioned below the upper movable unit.
3. The long-life cold-resistant cable as claimed in claim 2, wherein the top end of the first channel is arc-shaped, the bottom end of the first channel is arc-shaped, and the corresponding diameters of the arc surface of the top end and the arc surface of the bottom end of the first channel are equal; the top end of the upper movable unit is arc-surface-shaped, and the bottom end of the upper movable unit is arc-surface-shaped.
4. The long life cold resistant cable of claim 3 wherein said lower movable unit is rectangular parallelepiped; the second channel is cuboid, and the widest part of the first channel is larger than the width of the second channel; the width of the lower movable unit is equal to the width of the second channel.
5. The long-life cold-resistant cable as claimed in claim 2, wherein the strip-shaped plate is fixed to the bottom end of the second part by a fixing screw; the strip-shaped plate and the cutting edge are integrally formed and are made of engineering plastics.
6. The long life cold resistant cable of claim 2 wherein the number of said first and second hoses is greater than 10; when all the first hoses are filled with air and the second hoses are exhausted with air, the connecting ribs are abutted to the top ends of the limiting through holes; when all second hoses are full of gas, and first hose is done all by pumping, the bottom of the spacing through-hole of splice bar butt.
7. The long life cold resistant cable according to claim 2 wherein the spacing between adjacent deicing units is less than 5cm, preferably less than 0.5 cm; the downward hanging rod is in an inverted frustum shape; a plurality of drooping rods on the same deicing unit are distributed at equal intervals, and the interval between the adjacent drooping rods is less than 10 cm.
8. The long life cold resistant cable of claim 2 wherein the first and second portions of the outer jacket are integrally extruded and made of rubber or polyethylene; the outer sheath comprises a top end cambered surface, a bottom end plane and two inclined planes, and the two inclined planes are connected with the top end cambered surface and the bottom end plane.
9. The long-life cold-resistant cable of claim 1, wherein the inner sheath is a low-smoke halogen-free inner sheath, the armor is a steel wire woven armor, and the skeleton is a nylon skeleton.
10. The long-life cold-resistant cable according to claim 1, wherein the insulating layer is a fluoroplastic insulating layer or an ethylene propylene rubber insulating layer; the flame-retardant layer is made of a fireproof mica material; the conductor is a stranded copper conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188255.0A CN111403095B (en) | 2020-03-17 | 2020-03-17 | Cold-resistant cable with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188255.0A CN111403095B (en) | 2020-03-17 | 2020-03-17 | Cold-resistant cable with long service life |
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| Publication Number | Publication Date |
|---|---|
| CN111403095A true CN111403095A (en) | 2020-07-10 |
| CN111403095B CN111403095B (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010188255.0A Active CN111403095B (en) | 2020-03-17 | 2020-03-17 | Cold-resistant cable with long service life |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2723677B1 (en) * | 1994-08-12 | 1996-09-27 | Jean Flosi | METHOD AND DEVICE FOR DEFROSTING ELEMENTS EXPOSED TO GEL OR FROST |
| CN103594174A (en) * | 2013-10-27 | 2014-02-19 | 安徽蓝德集团股份有限公司 | Reinforced anti-pulling anti-interference control cable with conductor limiting function |
| CN106786308A (en) * | 2017-01-11 | 2017-05-31 | 东莞市圣荣自动化科技有限公司 | A kind of power equipment deicer of air outlet angle arbitrarily conversion |
| CN209216615U (en) * | 2018-12-27 | 2019-08-06 | 江苏远大电缆有限公司 | A kind of oil-resistant polyvinyl chloride sheath shielded flexible cable |
| CN209822310U (en) * | 2019-05-20 | 2019-12-20 | 浙江中大元通特种电缆有限公司 | Ceramic silicon rubber insulation temperature-resistant cable |
-
2020
- 2020-03-17 CN CN202010188255.0A patent/CN111403095B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2723677B1 (en) * | 1994-08-12 | 1996-09-27 | Jean Flosi | METHOD AND DEVICE FOR DEFROSTING ELEMENTS EXPOSED TO GEL OR FROST |
| CN103594174A (en) * | 2013-10-27 | 2014-02-19 | 安徽蓝德集团股份有限公司 | Reinforced anti-pulling anti-interference control cable with conductor limiting function |
| CN106786308A (en) * | 2017-01-11 | 2017-05-31 | 东莞市圣荣自动化科技有限公司 | A kind of power equipment deicer of air outlet angle arbitrarily conversion |
| CN209216615U (en) * | 2018-12-27 | 2019-08-06 | 江苏远大电缆有限公司 | A kind of oil-resistant polyvinyl chloride sheath shielded flexible cable |
| CN209822310U (en) * | 2019-05-20 | 2019-12-20 | 浙江中大元通特种电缆有限公司 | Ceramic silicon rubber insulation temperature-resistant cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111403095B (en) | 2021-05-04 |
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Effective date of registration: 20210414 Address after: 418000 No. 1 Huaiqian Road, Yazuiyan Industrial Park, Hecheng District, Huaihua City, Hunan Province Applicant after: HUNAN LITONG HENGYU CABLE TECHNOLOGY Co.,Ltd. Address before: 211400 No.16, No.2 Road, majibali industrial concentration area, Yizheng City, Yangzhou City, Jiangsu Province Applicant before: Zhu Yongsong |
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