CN214505024U - Bending-resistant low-temperature-resistant flame-retardant cable - Google Patents
Bending-resistant low-temperature-resistant flame-retardant cable Download PDFInfo
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- CN214505024U CN214505024U CN202022694184.XU CN202022694184U CN214505024U CN 214505024 U CN214505024 U CN 214505024U CN 202022694184 U CN202022694184 U CN 202022694184U CN 214505024 U CN214505024 U CN 214505024U
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- cable
- layer
- retardant
- resistant
- flame
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 47
- 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 title claims description 35
- 238000005452 bending Methods 0.000 title abstract description 16
- 229920000742 Cotton Polymers 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims abstract description 18
- 239000004718 silane crosslinked polyethylene Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 9
- 239000003365 glass fiber Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 98
- 229920000728 polyester Polymers 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- -1 202 Substances 0.000 description 1
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model relates to a low temperature resistant flame retarded cable of resistant bending belongs to the wire and cable field, including cable protection layer, cable core and inorganic glass fiber filler, at least a set of range setting of cable core is inside the cable protection layer, it is equipped with inorganic glass fiber filler to fill between cable protection layer inside and the cable core, the cable core includes ethylene propylene rubber insulating layer, fire-retardant cotton thread, silane crosslinked polyethylene insulating layer and copper conductor, a silane crosslinked polyethylene insulating layer is extruded outside the copper conductor, an ethylene propylene rubber insulating layer is extruded outside the silane crosslinked polyethylene insulating layer, be equipped with fire-retardant cotton thread between the ethylene propylene rubber insulating layer; the utility model provides the high holistic low temperature resistance ability of cable and resistant bending property have guaranteed that the cable can not be frozen under microthermal environment and have decreased, and the holistic fire prevention fire behavior of improvement cable that is showing has prolonged the live time of cable in the fire control conflagration, has ensured the safe in utilization of cable, has the practicality that is showing.
Description
The technical field is as follows:
the utility model relates to a wire and cable field, concretely relates to low temperature resistant flame retarded cable of resistant bending.
Background art:
the electric wire and cable are indispensable components of various electric appliances, communication equipment and the like, a plurality of cables are used in alpine regions or under cold environment conditions, and the electric wire and cable firstly have high requirements on flame retardance, low temperature resistance, service life, quality and applicability. The flame retardant property of cable can prolong the live time of cable when the conflagration breaing out and accomplish the fire prevention even, this guarantee not only can prevent stretching of intensity of a fire, can also guarantee the normal use of power consumption end electrical apparatus, and the freezing resistance of current cable, resistant bending property and flame retardant property are all relatively poor. Therefore, the utility model provides a low temperature resistant flame retarded cable of resistant bending to solve not enough and shortcoming that prior art exists.
The utility model has the following contents:
the utility model aims at overcoming the shortcomings of the prior art and providing a bending-resistant low-temperature-resistant flame-retardant cable.
The utility model adopts the technical proposal that:
a bending-resistant low-temperature-resistant flame-retardant cable comprises a cable protective layer, cable cores and inorganic glass fiber fillers, wherein at least one group of the cable cores are arranged in the cable protective layer, and the inorganic glass fiber fillers are filled between the inside of the cable protective layer and the cable cores;
the cable core comprises an ethylene propylene rubber insulating layer, a flame-retardant cotton wire, a silane crosslinked polyethylene insulating layer and a copper conductor, wherein the silane crosslinked polyethylene insulating layer is extruded on the outer side of the copper conductor, the ethylene propylene rubber insulating layer is extruded on the outer side of the silane crosslinked polyethylene insulating layer, and the flame-retardant cotton wire is arranged between the ethylene propylene rubber insulating layers.
Preferably, the cable inoxidizing coating includes fire-retardant low temperature resistant skin, thermal-insulated cotton layer, copper wire layer, polyester layer, shielding layer and fire-retardant low temperature resistant inlayer, the cable core wraps the one deck outward fire-retardant low temperature resistant inlayer, the outside parcel one deck of fire-retardant low temperature resistant inlayer the shielding layer the crowded package one deck in the shielding layer outer layer the polyester layer the outer parcel one deck on polyester layer the copper wire layer outer parcel one deck thermal-insulated cotton layer, the outer parcel one deck on thermal-insulated cotton layer fire-retardant low temperature resistant skin.
Preferably, the number of the flame-retardant cotton threads in the ethylene propylene rubber insulating layer is three.
Preferably, each of the flame-retardant cotton threads is spirally arranged.
The utility model has the advantages that: the utility model discloses the effectual performance of having solved current cable and not being able to bear or endure to freeze and not being able to bear or endure to wind the bending, through the utility model discloses the layer structure setting of cable inoxidizing coating, cable core etc. has improved the holistic low temperature resistance ability and the resistant bending property ability of cable, has guaranteed that the cable can not be frozen under microthermal environment and has decreased, and the holistic fire prevention fire behavior of improvement cable that the layer structure of cable inoxidizing coating is showing has prolonged the live time of cable in the fire control conflagration, has ensured the safe in utilization of cable, the utility model discloses the weatherability and the resistant bending property of reinforcing cable that are showing have improved the fire behavior of cable under high temperature environment, have the practicality that is showing.
Description of the drawings:
FIG. 1: the utility model discloses a three-dimensional structure schematic diagram.
FIG. 2: the cross-sectional view of the utility model.
FIG. 3: the utility model discloses the structure schematic diagram of cable core.
In the figure: 001. the cable comprises a cable protective layer, 101, a flame-retardant low-temperature-resistant outer layer, 102, a heat-insulating cotton layer, 103, a copper wire layer, 104, a polyester layer, 105, a shielding layer, 106, a flame-retardant low-temperature-resistant inner layer, 002, a cable core, 201, an ethylene propylene rubber insulating layer, 202, flame-retardant cotton wires, 203, a silane crosslinked polyethylene insulating layer, 204, a copper conductor, 003 and inorganic glass fiber filler.
The specific implementation mode is as follows:
the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 1-3, a bending-resistant low-temperature-resistant flame-retardant cable comprises a cable protective layer 001, cable cores 002 and inorganic glass fiber fillers 003, wherein at least one group of the cable cores 002 is arranged inside the cable protective layer 001, and the inorganic glass fiber fillers 003 are filled between the inside of the cable protective layer 001 and the cable cores 002;
the cable core 002 comprises an ethylene propylene rubber insulating layer 201, a flame-retardant cotton wire 202, a silane crosslinked polyethylene insulating layer 203 and a copper conductor 204, wherein the silane crosslinked polyethylene insulating layer 203 is extruded outside the copper conductor 204, an ethylene propylene rubber insulating layer 201 is extruded outside the silane crosslinked polyethylene insulating layer 203, and the flame-retardant cotton wire 202 is arranged between the ethylene propylene rubber insulating layers 201.
The further optimization of the scheme is set as follows: as shown in fig. 1-2, the cable protection layer 001 includes a flame-retardant low temperature resistant outer layer 101, a heat insulation cotton layer 102, a copper wire layer 103, a polyester layer 104, a shielding layer 105 and a flame-retardant low temperature resistant inner layer 106, the cable core 002 is wrapped with the flame-retardant low temperature resistant inner layer 106, the flame-retardant low temperature resistant inner layer 106 is wrapped with the shielding layer 105, the shielding layer 105 is wrapped with the polyester layer 104, the polyester layer 104 is wrapped with the copper wire layer 103, the copper wire layer 103 is wrapped with the heat insulation cotton layer 102, the heat insulation cotton layer 102 is wrapped with the flame-retardant low temperature resistant outer layer 101, the flame-retardant low temperature resistant outer layer 101 is a chlorinated polyethylene rubber layer, and the cable protection layer has good wear resistance and bending performance and can effectively protect the inside of a cable.
The further optimization of the scheme is set as follows: as shown in fig. 3, the number of the flame-retardant cotton threads 202 in the ethylene propylene rubber insulating layer 201 is three, each flame-retardant cotton thread 202 is spirally arranged, the flame-retardant cotton threads 202 can effectively play a role in heat insulation and flame retardance, the tensile property and the bending resistance of the cable core 002 are improved, and the copper conductor 204 is effectively protected.
The utility model discloses a use method or principle do: the cable protection layer 001 is respectively provided with a flame-retardant low-temperature-resistant outer layer 101, a heat-insulating cotton layer 102, a copper wire layer 103, a polyester layer 104, a shielding layer 105 and a flame-retardant low-temperature-resistant inner layer 106 from outside to inside, the heat-insulating cotton layer 102 is woven on the outer layer of the copper wire layer 103, the heat-insulating cotton layer 102 can effectively isolate external heat, so that heat insulation protection of the part inside the heat-insulating cotton layer 102 is achieved, the copper wire layer 103 plays a role of a cable framework and enhances the mechanical property of the cable, the shielding layer 105 is isolated from the copper wire layer 103 by the polyester layer 104, the shielding layer 105 ensures that the cable core 002 is not interfered, the layers from outside to inside of the cable core 002 are respectively an ethylene propylene rubber insulating layer 201, a silane crosslinked polyethylene insulating layer 203 and a copper conductor 204, and the flame-retardant cotton wire 202 between the ethylene propylene rubber insulating layers 201 can effectively play a role of heat insulation and flame retardance, and effectively improve the tensile property of the cable core 002, the bending resistance of the cable is improved.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (4)
1. The utility model provides a low temperature resistant flame retarded cable of resistant crooked which characterized in that: the cable comprises a cable protective layer (001), cable cores (002) and inorganic glass fiber fillers (003), wherein at least one group of the cable cores (002) are arranged in the cable protective layer (001), and the inorganic glass fiber fillers (003) are filled between the interior of the cable protective layer (001) and the cable cores (002);
the cable core (002) comprises an ethylene propylene rubber insulating layer (201), a flame-retardant cotton wire (202), a silane crosslinked polyethylene insulating layer (203) and a copper conductor (204), wherein a layer of the silane crosslinked polyethylene insulating layer (203) is extruded outside the copper conductor (204), a layer of the ethylene propylene rubber insulating layer (201) is extruded outside the silane crosslinked polyethylene insulating layer (203), and the flame-retardant cotton wire (202) is arranged between the ethylene propylene rubber insulating layers (201).
2. The bend-resistant low temperature-resistant flame-retardant cable according to claim 1, characterized in that: cable inoxidizing coating (001) is including fire-retardant low temperature resistant skin (101), thermal-insulated cotton layer (102), copper wire layer (103), polyester layer (104), shielding layer (105) and fire-retardant low temperature resistant inlayer (106), cable core (002) is outer around the package one deck fire-retardant low temperature resistant inlayer (106), the outside parcel one deck of fire-retardant low temperature resistant inlayer (106) shielding layer (105) the crowded package one deck of shielding layer (105) skin polyester layer (104) the skin parcel one deck of polyester layer (104) copper wire layer (103) skin parcel one deck thermal-insulated cotton layer (102), the outer parcel one deck of thermal-insulated cotton layer (102) fire-retardant low temperature resistant skin (101).
3. The bend-resistant low temperature-resistant flame-retardant cable according to claim 1, characterized in that: the number of the flame-retardant cotton threads (202) in the ethylene propylene rubber insulating layer (201) is three.
4. The bend-resistant low temperature-resistant flame-retardant cable according to claim 1, characterized in that: each flame-retardant cotton thread (202) is spirally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022694184.XU CN214505024U (en) | 2020-11-19 | 2020-11-19 | Bending-resistant low-temperature-resistant flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022694184.XU CN214505024U (en) | 2020-11-19 | 2020-11-19 | Bending-resistant low-temperature-resistant flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214505024U true CN214505024U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022694184.XU Active CN214505024U (en) | 2020-11-19 | 2020-11-19 | Bending-resistant low-temperature-resistant flame-retardant cable |
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| CN (1) | CN214505024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118519237A (en) * | 2024-07-24 | 2024-08-20 | 江苏亨通光电股份有限公司 | Environment-friendly flame-retardant optical cable |
-
2020
- 2020-11-19 CN CN202022694184.XU patent/CN214505024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118519237A (en) * | 2024-07-24 | 2024-08-20 | 江苏亨通光电股份有限公司 | Environment-friendly flame-retardant optical cable |
| CN118519237B (en) * | 2024-07-24 | 2024-10-11 | 江苏亨通光电股份有限公司 | Environmentally friendly flame-retardant optical cable |
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