CN105336419A - Novel cold-proof power cable - Google Patents
Novel cold-proof power cable Download PDFInfo
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- CN105336419A CN105336419A CN201510820976.8A CN201510820976A CN105336419A CN 105336419 A CN105336419 A CN 105336419A CN 201510820976 A CN201510820976 A CN 201510820976A CN 105336419 A CN105336419 A CN 105336419A
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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 invention discloses a novel cold-proof power cable. The novel cold-proof power cable comprises a plurality of cable cores (1), wherein each cable core (1) comprises a conductor (1); an insulating layer (2) is extruded on each conductor (1); a space between the adjacent cable cores (4) is filled with a filling layer (3); a wrapping belt layer (5) is wound outside each cable core (1); an outer protective sleeve (6) is extruded outside each wrapping belt layer (5). The novel cold-proof power cable provided by the invention can be used for effectively preventing from coldness and the problem that the power cable is cracked at a low temperature is solved, so that guarantees are provided for engineering construction or operation.
Description
Technical field
The invention belongs to special cable field, relate to a kind of novel cold-proof power cable.
Background technology
In northern China and west area, the low temperature time is long, the temperature difference is large sooner or later, and especially in the winter time, the outdoor temperature of northeast region-by-region can reach subzero about 50 DEG C.Common cable carries out construction in this condition and lays or run and just there will be cable insulation and sheath cracking phenomena, is unfavorable for the transmission of cable electric energy, decreases the useful life of cable.
Therefore, need a kind of novel cold-proof power cable to solve the problem.
Summary of the invention
Goal of the invention: the defect that the present invention is directed to the cold-proof weak effect of power cable in prior art, provides a kind of novel cold-proof power cable.
Technical scheme: for solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of novel cold-proof power cable, comprise many cable cores, described cable core comprises conductor, extruded insulation layer on described conductor, packed layer is filled between described cable core, the outer wrapped belting layer of described cable core, oversheath is extruded outside described belting layer, described oversheath comprises glass fiber substrate from inside to outside successively, chliorinated polyvinyl chloride layer and protective layer, described protective layer comprises the raw material of following composition by weight: 37-39 part polyurethane resin, 25-27 part fluorine silicon resin, 17-18 part organosilicon cross-linking agent, 17-18 part silicon dioxide, 13-14 part silicon hydroxide, 12-13 part magnesium hydroxide, 6-7 part iron oxide, 5-6 part barium sulfate, 4.5-5 part antioxidant, 2.5-3 part compatilizer, 1.5-2 part organosilicon levelling agent and 0.8-1.3 part nano material, described nano material is evenly distributed in described jacket material, described nano material comprises Nano Silver and nano zine oxide, wherein, the weight ratio of Nano Silver and nano zine oxide is 2 ~ 4:6 ~ 9.
Further, described insulating barrier is steam vulcanization (cure) ethylene propylene diene rubber mixture insulating barrier.Product has excellent cold-proof heat resistance.
Further, the quantity of described cable core is 3.
Further, described protective layer comprises the raw material of following composition by weight: 38 parts of polyurethane resins, 26 parts of fluorine silicon resins, 17 parts of organosilicon cross-linking agents, 18 parts of silicon dioxide, 14 parts of silicon hydroxides, 13 parts of magnesium hydroxides, 6 parts of iron oxide, 5 parts of barium sulfate, 4 parts of lubricants, 5 parts of antioxidant, 2.5 parts of compatilizers, 1.5 parts of organosilicon levelling agents and 1.1 parts of nano materials.
Further, described nano material comprises Nano Silver and nano zine oxide, and wherein, the weight ratio of Nano Silver and nano zine oxide is 3:8.Adopt the Nano Silver of this ratio and nano zine oxide through overtesting its antifouling bactericidal effect the best known.
Further, the Thickness Ratio of described glass fiber substrate, chliorinated polyvinyl chloride layer and protective layer is 1-2:1-2:3-4.Thickness Ratio is suitable, can give full play to the characteristic of layers of material, plays the protective effect of jacket material to maximum.
Beneficial effect: novel cold-proof power cable of the present invention can be effectively cold-proof, the problem of Cracking of power cable under solution low temperature, for engineering construction or operation provide safeguard.
Accompanying drawing explanation
Fig. 1 is the structural representation of novel cold-proof power cable of the present invention;
Fig. 2 is the structural representation of oversheath.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.Below be only better embodiment of the present invention; protection scope of the present invention is not limited with above-mentioned execution mode; in every case those of ordinary skill in the art modify or change according to the equivalence that disclosed content is done, and all should include in the protection range recorded in claims.
Refer to shown in Fig. 1, novel cold-proof power cable of the present invention, comprises many cable cores 4, and cable core 1 comprises conductor 1, and extruded insulation layer 2 on conductor 1, fills packed layer 3 between cable core 4, and the outer wrapped belting layer 5 of cable core 1, extrudes oversheath 6 outside belting layer 5.Preferably, insulating barrier 2 is steam vulcanization (cure) ethylene propylene diene rubber mixture insulating barrier.Product has excellent cold-proof heat resistance.The quantity of cable core 4 is 3.
Wherein, to comprising glass fiber substrate 61 successively outward in oversheath 6, chliorinated polyvinyl chloride layer 62 and protective layer 63, protective layer comprises the raw material of following composition by weight: 37-39 part polyurethane resin, 25-27 part fluorine silicon resin, 17-18 part organosilicon cross-linking agent, 17-18 part silicon dioxide, 13-14 part silicon hydroxide, 12-13 part magnesium hydroxide, 6-7 part iron oxide, 5-6 part barium sulfate, 4.5-5 part antioxidant, 2.5-3 part compatilizer, 1.5-2 part organosilicon levelling agent and 0.8-1.3 part nano material, nano material is evenly distributed in jacket material, nano material comprises Nano Silver and nano zine oxide, wherein, the weight ratio of Nano Silver and nano zine oxide is 2 ~ 4:6 ~ 9.
Preferably, protective layer 63 comprises the raw material of following composition by weight: 38 parts of polyurethane resins, 26 parts of fluorine silicon resins, 17 parts of organosilicon cross-linking agents, 18 parts of silicon dioxide, 14 parts of silicon hydroxides, 13 parts of magnesium hydroxides, 6 parts of iron oxide, 5 parts of barium sulfate, 5 parts of antioxidant, 2.5 parts of compatilizers, 1.5 parts of organosilicon levelling agents and 1.1 parts of nano materials.
Nano material comprises Nano Silver and nano zine oxide, and wherein, the weight ratio of Nano Silver and nano zine oxide is 3:8.Adopt the Nano Silver of this ratio and nano zine oxide through overtesting its antifouling bactericidal effect the best known.Compatilizer is ST-6 compatilizer.Lubricant is paraffin.Preferably, the Thickness Ratio of glass fiber substrate, chliorinated polyvinyl chloride layer and protective layer is 1-2:1-2:3-4.Thickness Ratio is suitable, can give full play to the characteristic of layers of material, plays the protective effect of jacket material to maximum.The thickness of protective layer is 0.8-3mm.Protection thickness is low to moderate 0.8mm, also can effectively play due protective effect.
Below by embodiment, external sheath layer is introduced:
embodiment 1:
Oversheath; comprise glass fiber substrate 61, chliorinated polyvinyl chloride layer 62 and protective layer 63 from inside to outside successively; wherein, chliorinated polyvinyl chloride layer 62 is compressed on glass fiber substrate 61, then obtains jacket material of the present invention at the outer application protective layer 63 of chliorinated polyvinyl chloride layer 62.
Protective layer 63 comprises the raw material of following composition by weight: 38 parts of polyurethane resins, 26 parts of fluorine silicon resins, 17 parts of organosilicon cross-linking agents, 18 parts of silicon dioxide, 14 parts of silicon hydroxides, 13 parts of magnesium hydroxides, 6 parts of iron oxide, 5 parts of barium sulfate, 4 parts of lubricants, 5 parts of antioxidant, 2.5 parts of compatilizers, 1.5 parts of organosilicon levelling agents, 0.3 part of Nano Silver and 0.8 part of nano zine oxide.Compatilizer is ST-6 compatilizer.Lubricant is paraffin.
The invention also discloses the preparation method of protective layer material, comprise the following steps:
1, each component is taken;
2, in vacuum environment, polyurethane resin and fluorine silicon resin are mixed and is heated to 106 DEG C and stirs;
3, organosilicon cross-linking agent and antioxidant are added in the mixture that step 2 obtains, then add silicon dioxide, silicon hydroxide, magnesium hydroxide, iron oxide and barium sulfate, then stir, heating-up temperature is remained on 97 DEG C, continuous heating 35 minutes;
4, in the mixture obtained in step 3, add compatilizer and organosilicon levelling agent, stir;
5, heating-up temperature is down to 81 DEG C, then Nano Silver and nano zine oxide is put into the mixture that step 4 obtains, stir, obtain protective layer material of the present invention.
After tested:
The protective layer weather resistance of this embodiment is excellent, can reach the 3-4 of existing conventional material doubly;
The hot strength of this material is higher, reaches as high as 23MPA;
Can excess load 5 times and as usual play insulating effect under rated voltage;
The antifouling property of this material is superior simultaneously, not easily adheres to dirt, and material can play effective bactericidal effect simultaneously, and self-cleaning function is obvious.
embodiment 2:
Oversheath; comprise glass fiber substrate 61, chliorinated polyvinyl chloride layer 62 and protective layer 63 from inside to outside successively; wherein, chliorinated polyvinyl chloride layer 62 is compressed on glass fiber substrate 61, then obtains jacket material of the present invention at the outer application protective layer 63 of chliorinated polyvinyl chloride layer 62.
Protective layer 63 comprises the raw material of following composition by weight: 37 parts of polyurethane resins, 25 parts of fluorine silicon resins, 17 parts of organosilicon cross-linking agents, 17 parts of silicon dioxide, 13 parts of silicon hydroxides, 12 parts of magnesium hydroxides, 6 parts of iron oxide, 5 parts of barium sulfate, 4.5 parts of antioxidant, 2.5 parts of compatilizers, 1.5 parts of organosilicon levelling agents, 0.2 part of Nano Silver and 0.6 part of nano zine oxide.Compatilizer is ST-6 compatilizer.Lubricant is paraffin.
The invention also discloses the preparation method of protective layer material, comprise the following steps:
1, each component is taken;
2, in vacuum environment, polyurethane resin and fluorine silicon resin are mixed and is heated to 100 DEG C and stirs;
3, organosilicon cross-linking agent and antioxidant are added in the mixture that step 2 obtains, then add silicon dioxide, silicon hydroxide, magnesium hydroxide, iron oxide and barium sulfate, then stir, heating-up temperature is remained on 90 DEG C, continuous heating 40 minutes;
4, in the mixture obtained in step 3, add compatilizer and organosilicon levelling agent, stir;
5, heating-up temperature is down to 75 DEG C, then Nano Silver and nano zine oxide is put into the mixture that step 4 obtains, stir, obtain protective layer material of the present invention.
After tested, the protective layer weather resistance of this embodiment is excellent, can reach the 2-3 of existing conventional material doubly;
The hot strength of this material is higher, reaches as high as 21MPA;
Can excess load 3 times and as usual play insulating effect under rated voltage;
The antifouling property of this material is superior simultaneously, not easily adheres to dirt, and material can play effective bactericidal effect simultaneously, and self-cleaning function is obvious.
embodiment 3:
Oversheath; comprise glass fiber substrate 61, chliorinated polyvinyl chloride layer 62 and protective layer 63 from inside to outside successively; wherein, chliorinated polyvinyl chloride layer 62 is compressed on glass fiber substrate 61, then obtains jacket material of the present invention at the outer application protective layer 63 of chliorinated polyvinyl chloride layer 62.
Protective layer 63 comprises the raw material of following composition by weight: 39 parts of polyurethane resins, 27 parts of fluorine silicon resins, 18 parts of organosilicon cross-linking agents, 18 parts of silicon dioxide, 14 parts of silicon hydroxides, 13 parts of magnesium hydroxides, 7 parts of iron oxide, 6 parts of barium sulfate, 5 parts of antioxidant, 3 parts of compatilizers, 2 parts of organosilicon levelling agents, 0.4 part of Nano Silver and 0.9 part of nano zine oxide.Compatilizer is ST-6 compatilizer.Lubricant is paraffin.
The invention also discloses the preparation method of protective layer material, comprise the following steps:
1, each component is taken;
2, in vacuum environment, polyurethane resin and fluorine silicon resin are mixed and is heated to 110 DEG C and stirs;
3, organosilicon cross-linking agent and antioxidant are added in the mixture that step 2 obtains, then add silicon dioxide, silicon hydroxide, magnesium hydroxide, iron oxide and barium sulfate, then stir, heating-up temperature is remained on 100 DEG C, continuous heating 30 minutes;
4, in the mixture obtained in step 3, add compatilizer and organosilicon levelling agent, stir;
5, heating-up temperature is down to 85 DEG C, then Nano Silver and nano zine oxide is put into the mixture that step 4 obtains, stir, obtain protective layer material of the present invention.
After tested, the protective layer weather resistance of this embodiment is excellent, can reach the 2-2.5 of existing conventional material doubly;
The hot strength of this material is higher, reaches as high as 18MPA;
Can excess load 2.5 times and as usual play insulating effect under rated voltage;
The antifouling property of this material is superior simultaneously, not easily adheres to dirt, and material can play effective bactericidal effect simultaneously, and self-cleaning function is obvious.
embodiment 4:
Oversheath; comprise glass fiber substrate 61, chliorinated polyvinyl chloride layer 62 and protective layer 63 from inside to outside successively; wherein, chliorinated polyvinyl chloride layer 62 is compressed on glass fiber substrate 61, then obtains jacket material of the present invention at the outer application protective layer 63 of chliorinated polyvinyl chloride layer 62.
Protective layer 63 comprises the raw material of following composition by weight: 39 parts of polyurethane resins, 27 parts of fluorine silicon resins, 18 parts of organosilicon cross-linking agents, 18 parts of silicon dioxide, 14 parts of silicon hydroxides, 13 parts of magnesium hydroxides, 7 parts of iron oxide, 6 parts of barium sulfate, 5 parts of antioxidant, 3 parts of compatilizers, 2 parts of organosilicon levelling agents, 0.3 part of Nano Silver and 0.9 part of nano zine oxide.Compatilizer is ST-6 compatilizer.Lubricant is paraffin.
The invention also discloses the preparation method of protective layer material, comprise the following steps:
1, each component is taken;
2, in vacuum environment, polyurethane resin and fluorine silicon resin are mixed and is heated to 107 DEG C and stirs;
3, organosilicon cross-linking agent and antioxidant are added in the mixture that step 2 obtains, then add silicon dioxide, silicon hydroxide, magnesium hydroxide, iron oxide and barium sulfate, then stir, heating-up temperature is remained on 98 DEG C, continuous heating 33 minutes;
4, in the mixture obtained in step 3, add compatilizer and organosilicon levelling agent, stir;
5, heating-up temperature is down to 82 DEG C, then Nano Silver and nano zine oxide is put into the mixture that step 4 obtains, stir, obtain protective layer material of the present invention.
After tested, the protective layer material weather resistance of this embodiment is excellent, can reach the 3-3.5 of existing conventional material doubly;
The hot strength of this material is higher, reaches as high as 22MPA;
Can excess load 4.5 times and as usual play insulating effect under rated voltage;
The antifouling property of this material is superior simultaneously, not easily adheres to dirt, and material can play effective bactericidal effect simultaneously, and self-cleaning function is obvious.
embodiment 5:
Oversheath; comprise glass fiber substrate 61, chliorinated polyvinyl chloride layer 62 and protective layer 63 from inside to outside successively; wherein, chliorinated polyvinyl chloride layer 62 is compressed on glass fiber substrate 61, then obtains jacket material of the present invention at the outer application protective layer 63 of chliorinated polyvinyl chloride layer 62.
Protective layer 63 comprises the raw material of following composition by weight: 39 parts of polyurethane resins, 27 parts of fluorine silicon resins, 18 parts of organosilicon cross-linking agents, 18 parts of silicon dioxide, 14 parts of silicon hydroxides, 13 parts of magnesium hydroxides, 7 parts of iron oxide, 6 parts of barium sulfate, 5 parts of antioxidant, 3 parts of compatilizers, 2 parts of organosilicon levelling agents, 0.4 part of Nano Silver and 0.9 part of nano zine oxide.Compatilizer is ST-6 compatilizer.Lubricant is paraffin.
The invention also discloses the preparation method of protective layer material, comprise the following steps:
1, each component is taken;
2, in vacuum environment, polyurethane resin and fluorine silicon resin are mixed and is heated to 105 DEG C and stirs;
3, organosilicon cross-linking agent and antioxidant are added in the mixture that step 2 obtains, then add silicon dioxide, silicon hydroxide, magnesium hydroxide, iron oxide and barium sulfate, then stir, heating-up temperature is remained on 96 DEG C, continuous heating 36 minutes;
4, in the mixture obtained in step 3, add compatilizer and organosilicon levelling agent, stir;
5, heating-up temperature is down to 80 DEG C, then Nano Silver and nano zine oxide is put into the mixture that step 4 obtains, stir, obtain protective layer material of the present invention.
After tested, the protective layer material weather resistance of this embodiment is excellent, can reach the 3.5-4 of existing conventional material doubly;
The hot strength of this material is higher, reaches as high as 21MPA;
Can excess load 5 times and as usual play insulating effect under rated voltage;
The antifouling property of this material is superior simultaneously, not easily adheres to dirt, and material can play effective bactericidal effect simultaneously, and self-cleaning function is obvious.
Add nano zine oxide and Nano Silver in protective layer 63 of the present invention, wherein, Nano Silver (NanoSilver) is exactly particle diameter is accomplished nano level argent simple substance.Nano Silver particle diameter, in 25-50 nanometer, has strong suppression and killing action to tens of kinds of pathogenic microorganisms such as Escherichia coli, gonococcus, chlamydia trachomatises, and can not produce drug resistance.Nano zinc oxide particles is spherical, even particle size distribution, average grain diameter 20 ~ 30 nanometer, and the particle diameter of all particles is all below 50 nanometers.It has the double grading of nano material and conventional oxidation zinc simultaneously.Its specific area is large, chemism is high, and product fineness, chemical purity and shape of particle can adjust as required, and has Photochemical effects and cover ultraviolet performance preferably, and its UV-preventing rate is up to 98%; Meanwhile, it also there is antibacterial bacteriostatic, a series of special performances such as the anti-enzyme of taste of dispelling.
By studying discovery for many years through applicant, Nano Silver and nano zine oxide are combined together by certain ratio, its sterilization and anti-fouling effect are then more obvious, are greatly better than the effect adopting separately wherein any one nano material.And remain UV-preventing function and the far infrared reflection function of nano zine oxide, simultaneously because its UV-preventing function significantly can improve the weather resistance of material.
Then nano material is added in protective layer 63; protective layer 63 material of the present invention adopts the combination of polyurethane resin and fluorine silicon resin; and pass through the use of organosilicon cross-linking agent, silicon dioxide, silicon hydroxide, magnesium hydroxide iron oxide, barium sulfate, antioxidant, compatilizer and organosilicon levelling agent; material of the present invention is made to have excellent weather resistance and outstanding insulation property; its hot strength is higher simultaneously; spendable temperature is higher; and material environment friendly; also can not produce toxic gas during heating, be a kind of new material of environmental protection.
Novel cold-proof power cable of the present invention can be effectively cold-proof, and the problem of Cracking of power cable under solution low temperature, for engineering construction or operation provide safeguard.
Claims (6)
1. a novel cold-proof power cable, it is characterized in that: comprise many cable cores (4), described cable core (1) comprises conductor (1), the upper extruded insulation layer (2) of described conductor (1), packed layer (3) is filled between described cable core (4), described cable core (1) is wrapped belting layer (5) outward, extrudes oversheath (6) outside described belting layer (5), and described oversheath (6) comprises glass fiber substrate (61) from inside to outside successively, chliorinated polyvinyl chloride layer (62) and protective layer (63), described protective layer (63) comprises the raw material of following composition by weight: 37-39 part polyurethane resin, 25-27 part fluorine silicon resin, 17-18 part organosilicon cross-linking agent, 17-18 part silicon dioxide, 13-14 part silicon hydroxide, 12-13 part magnesium hydroxide, 6-7 part iron oxide, 5-6 part barium sulfate, 4.5-5 part antioxidant, 2.5-3 part compatilizer, 1.5-2 part organosilicon levelling agent and 0.8-1.3 part nano material, described nano material is evenly distributed in described jacket material, and described nano material comprises Nano Silver and nano zine oxide, and wherein, the weight ratio of Nano Silver and nano zine oxide is 2 ~ 4:6 ~ 9.
2. novel cold-proof power cable as claimed in claim 1, is characterized in that: described insulating barrier (2) is steam vulcanization (cure) ethylene propylene diene rubber mixture insulating barrier.
3. novel cold-proof power cable as claimed in claim 1, is characterized in that: the quantity of described cable core (4) is 3.
4. novel cold-proof power cable as claimed in claim 1, is characterized in that: described protective layer (63) comprises the raw material of following composition by weight: 38 parts of polyurethane resins, 26 parts of fluorine silicon resins, 17 parts of organosilicon cross-linking agents, 18 parts of silicon dioxide, 14 parts of silicon hydroxides, 13 parts of magnesium hydroxides, 6 parts of iron oxide, 5 parts of barium sulfate, 4 parts of lubricants, 5 parts of antioxidant, 2.5 parts of compatilizers, 1.5 parts of organosilicon levelling agents and 1.1 parts of nano materials.
5. novel cold-proof power cable as claimed in claim 1, it is characterized in that: described nano material comprises Nano Silver and nano zine oxide, wherein, the weight ratio of Nano Silver and nano zine oxide is 3:8.
6. novel cold-proof power cable as claimed in claim 1, is characterized in that: the Thickness Ratio of described glass fiber substrate (61), chliorinated polyvinyl chloride layer (62) and protective layer (63) is 1-2:1-2:3-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820976.8A CN105336419A (en) | 2015-11-24 | 2015-11-24 | Novel cold-proof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820976.8A CN105336419A (en) | 2015-11-24 | 2015-11-24 | Novel cold-proof power cable |
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| Publication Number | Publication Date |
|---|---|
| CN105336419A true CN105336419A (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510820976.8A Pending CN105336419A (en) | 2015-11-24 | 2015-11-24 | Novel cold-proof power cable |
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| CN (1) | CN105336419A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400372A (en) * | 2017-09-15 | 2017-11-28 | 杭州千岛湖永通电缆有限公司 | A kind of ice-covering-proof cable of cold-resistant |
| CN107400371A (en) * | 2017-09-15 | 2017-11-28 | 杭州千岛湖永通电缆有限公司 | A kind of automobile charging pile environment-friendly cable |
-
2015
- 2015-11-24 CN CN201510820976.8A patent/CN105336419A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400372A (en) * | 2017-09-15 | 2017-11-28 | 杭州千岛湖永通电缆有限公司 | A kind of ice-covering-proof cable of cold-resistant |
| CN107400371A (en) * | 2017-09-15 | 2017-11-28 | 杭州千岛湖永通电缆有限公司 | A kind of automobile charging pile environment-friendly cable |
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Application publication date: 20160217 |
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