CN212461237U - Polyvinyl chloride insulating steel strip armored polyvinyl chloride sheath power cable - Google Patents
Polyvinyl chloride insulating steel strip armored polyvinyl chloride sheath power cable Download PDFInfo
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- CN212461237U CN212461237U CN202020881344.9U CN202020881344U CN212461237U CN 212461237 U CN212461237 U CN 212461237U CN 202020881344 U CN202020881344 U CN 202020881344U CN 212461237 U CN212461237 U CN 212461237U
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- polyvinyl chloride
- layer
- protective
- layers
- inner sleeve
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- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 104
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 104
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 230000001681 protective effect Effects 0.000 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 claims abstract description 28
- 239000003063 flame retardant Substances 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000004698 Polyethylene Substances 0.000 claims abstract description 7
- -1 polyethylene Polymers 0.000 claims abstract description 7
- 229920000573 polyethylene Polymers 0.000 claims abstract description 7
- 229920000098 polyolefin Polymers 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 120
- 239000011241 protective layer Substances 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 17
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 description 7
- 230000002633 protecting effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model discloses a polyvinyl chloride insulation steel band armor polyvinyl chloride sheath power cable belongs to power cable technical field, include: a first copper core; the polyvinyl chloride protective inner sleeve layers are arranged on the outer wall of the first copper core in an annular array and are in contact with the first copper core, the cross sections of the polyvinyl chloride protective inner sleeve layers are elliptical, and the polyvinyl chloride protective inner sleeve layers are of hollow structures; the polyethylene flame-retardant material is filled in the hollow part of the inner protective sleeve layer of the polyvinyl chloride; the inner layer is coated on the outer walls of the three polyvinyl chloride protective inner sleeve layers, the section of the inner layer is circular, and first gaps are formed between the inner layer and the three polyvinyl chloride protective inner sleeve layers; the low-smoke halogen-free polyolefin flame-retardant material is filled in the first gap; six first cables arranged on the outer wall of the inner layer in an annular array and contacted with the inner layer; the protective effect is good, the safety performance is high, and meanwhile, the flame retardant effect is good.
Description
Technical Field
The utility model relates to a power cable technical field, more specifically say, relate to a polyvinyl chloride insulation steel band armor polyvinyl chloride sheath power cable.
Background
A power cable is a power or signal transmission device, and is generally composed of several wires or groups of wires.
The conventional power cable is easy to damage in the using process because no protective layer is arranged at the periphery of the cable core, so that the potential safety hazard exists, even safety accidents can be caused, the flame retardant property is poor, and the fire hazard ratio caused by the cable is all the same, so that the conventional polyvinyl chloride insulating sheath flexible wire needs to be improved to ensure the using safety.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide an insulating steel band armor polyvinyl chloride sheath power cable of polyvinyl chloride, its protecting effect is good, and the security performance is high, has good flame retardant efficiency simultaneously.
2. Technical scheme
In order to solve the above problem, the utility model adopts the following technical scheme:
a polyvinyl chloride insulated steel strip armored polyvinyl chloride sheathed power cable comprises:
a first copper core;
the polyvinyl chloride protective inner sleeve layers are arranged on the outer wall of the first copper core in an annular array and are in contact with the first copper core, the cross sections of the polyvinyl chloride protective inner sleeve layers are elliptical, and the polyvinyl chloride protective inner sleeve layers are of hollow structures;
the polyethylene flame-retardant material is filled in the hollow part of the inner protective sleeve layer of the polyvinyl chloride;
the inner layer is coated on the outer walls of the three polyvinyl chloride protective inner sleeve layers, the section of the inner layer is in a circular shape, and first gaps are formed between the inner layer and the three polyvinyl chloride protective inner sleeve layers;
the low-smoke halogen-free polyolefin flame-retardant material is filled in the first gap;
the six first cables are arranged on the outer wall of the inner layer in an annular array and are in contact with the outer wall of the inner layer, and the cross sections of the first cables are circular;
the outer protective layers are coated on the outer walls of the six first cables, and second gaps are formed between the outer protective layers and the six first cables;
the polyvinyl chloride flame-retardant material filled in the second gap has good protection effect, high safety performance and good flame-retardant effect.
As a preferred scheme of the utility model, the inlayer comprises from inside to outside first shielding layer and the first polyvinyl chloride insulating layer that sets gradually, the cladding of first shielding layer is on the surface of three polyvinyl chloride protection inner jacket layer, the cladding of first polyvinyl chloride insulating layer is on the circumferential surface of first shielding layer.
As an optimized scheme of the utility model, first cable comprises second copper core, outer shielding layer, second polyvinyl chloride insulating layer and the first polyvinyl chloride protection overcoat layer that from interior to exterior set gradually, the outer shielding layer cladding is on the circumferential surface of second copper core, the cladding of second polyvinyl chloride insulating layer is on the circumferential surface of outer shielding layer, the cladding of first polyvinyl chloride protection overcoat layer is on the circumferential surface of second polyvinyl chloride insulating layer.
As an optimal scheme of the utility model, outer inoxidizing coating comprises second polyvinyl chloride protection overcoat layer and steel band armour layer that from interior to exterior set gradually, the cladding of second polyvinyl chloride protection overcoat layer is on the surface of six first polyvinyl chloride protection overcoat layers, the steel band armour layer cladding is on the circumferential surface of second polyvinyl chloride protection overcoat layer.
As an optimized scheme of the utility model, first shielding layer and second polyvinyl chloride insulating layer are the tinned copper wire and weave and form.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme passes through the setting of polyvinyl chloride protection inner jacket layer, reach good guard action, setting through first shielding layer, good shielding effect has, setting through first polyvinyl chloride insulating layer, good insulating effect has, through the second copper core, outer shielding layer, the setting of second polyvinyl chloride insulating layer and first polyvinyl chloride protection outer jacket layer, because the relation of its sectional area, make this cable have different current-carrying properties, first cable has good shielding effect simultaneously, insulating effect and protecting effect, through the setting on second polyvinyl chloride protection outer jacket layer and steel band armoring layer, further increase its protecting effect.
(2) The scheme makes the flame-retardant polyethylene material, the low-smoke halogen-free polyolefin flame-retardant material and the polyvinyl chloride flame-retardant material have excellent flame-retardant effect.
Drawings
Fig. 1 is a partial perspective view of a power cable with a pvc insulated steel tape armored pvc sheath according to the present invention;
fig. 2 is a cross-sectional view of the utility model relates to a polyvinyl chloride insulated steel strip armored polyvinyl chloride sheath power cable.
The reference numbers in the figures illustrate:
1 a first copper core, 2 a polyvinyl chloride protective inner sleeve layer, 3 an inner layer, 31 a first shielding layer, 32 a first polyvinyl chloride insulating layer, 4 an outer protective layer, 41 a polyvinyl chloride protective outer sleeve layer, 42 a steel belt jacket layer, 5 a first cable, 51 a second copper core, 52 an outer shielding layer, 53 a second polyvinyl chloride insulating layer, 54 a first polyvinyl chloride protective outer sleeve layer, 6 a polyethylene flame retardant material, 7 a low-smoke halogen-free polyolefin flame retardant material and 8 a polyvinyl chloride flame retardant material.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-2, a power cable with pvc sheath and steel tape armor comprises:
the first copper core 1, the first copper core 1 has good electric power conductivity;
the three polyvinyl chloride protective inner sleeve layers 2 are arranged on the outer wall of the first copper core 1 in an annular array and are in contact with the first copper core, the cross sections of the polyvinyl chloride protective inner sleeve layers 2 are elliptical, the polyvinyl chloride protective inner sleeve layers 2 are of hollow structures, and the polyvinyl chloride protective inner sleeve layers 2 have good protective effects;
the polyethylene flame-retardant material 6 is filled in the hollow part of the polyvinyl chloride protective inner sleeve layer 2, and the polyethylene flame-retardant material 6 has a good flame-retardant effect;
the inner layer 3 is coated on the outer walls of the three polyvinyl chloride protective inner sleeves 2, the cross section of the inner layer 3 is circular, the inner layer 3 consists of a first shielding layer 31 and a first polyvinyl chloride insulating layer 32 which are sequentially arranged from inside to outside, the first shielding layer 31 is coated on the surfaces of the three polyvinyl chloride protective inner sleeves 2, the first polyvinyl chloride insulating layer 32 is coated on the circumferential surface of the first shielding layer 31, a first gap is formed between the inner layer 3 and the three polyvinyl chloride protective inner sleeves 2, a good shielding effect is achieved through the arrangement of the first shielding layer 31, and a good insulating effect is achieved through the arrangement of the first polyvinyl chloride insulating layer 32;
the low-smoke halogen-free polyolefin flame-retardant material 7 is filled in the first gap, and the low-smoke halogen-free polyolefin flame-retardant material 7 has a good flame-retardant effect;
six first cables 5 arranged on the outer wall of the inner layer 3 in an annular array and contacted with the inner layer, wherein the cross section of each first cable 5 is in a circular shape, each first cable 5 consists of a second copper core 51, an outer shielding layer 52, a second polyvinyl chloride insulating layer 53 and a first polyvinyl chloride protective outer sleeve layer 54 which are sequentially arranged from inside to outside, the outer shielding layer 52 is coated on the circumferential surface of the second copper core 51, the second polyvinyl chloride insulating layer 53 is coated on the circumferential surface of the outer shielding layer 52, the first polyvinyl chloride protective outer sleeve layer 54 is coated on the circumferential surface of the second polyvinyl chloride insulating layer 53, by the arrangement of the second copper core 51, the outer shield 52, the second insulating layer 53 of pvc and the first protective outer jacket 54 of pvc, due to the relation of the sectional areas, the cable has different current-carrying performance, and the first cable 5 has good shielding effect, insulation effect and protection effect;
the outer protective layer 4 is coated on the outer walls of the six first cables 5, the outer protective layer 4 is composed of a second polyvinyl chloride protective outer sleeve layer 41 and a steel strip jacket layer 42 which are sequentially arranged from inside to outside, the second polyvinyl chloride protective outer sleeve layer 41 is coated on the surfaces of the six first polyvinyl chloride protective outer sleeve layers 54, the steel strip jacket layer 42 is coated on the circumferential surface of the second polyvinyl chloride protective outer sleeve layer 41, second gaps are formed between the outer protective layer 4 and the six first cables 5, and the protective effect of the outer protective layer is further improved through the arrangement of the second polyvinyl chloride protective outer sleeve layer 41 and the steel strip jacket layer 42;
the polyvinyl chloride flame-retardant material 8 is filled in the second gap, and the polyvinyl chloride flame-retardant material 8 has a good flame-retardant effect;
it should be noted that: the first shielding layer 31 and the second polyvinyl chloride insulating layer 53 are both formed by weaving tinned copper wires;
the utility model discloses a rated voltage that the cable was suitable for is 0.6-1V, accords with GB/T12706.1-2008's execution standard.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.
Claims (5)
1. The utility model provides a polyvinyl chloride insulating steel strip armouring polyvinyl chloride sheath power cable which characterized in that includes:
a first copper core (1);
the polyvinyl chloride protective inner sleeve layers (2) are arranged on the outer wall of the first copper core (1) in an annular array and are in contact with the first copper core, the cross sections of the polyvinyl chloride protective inner sleeve layers (2) are elliptical, and the polyvinyl chloride protective inner sleeve layers (2) are of hollow structures;
the polyethylene flame-retardant material (6) is filled in the hollow part of the polyvinyl chloride protective inner sleeve layer (2);
the inner layer (3) is coated on the outer walls of the three polyvinyl chloride protective inner sleeve layers (2), the section of the inner layer (3) is in a circular shape, and first gaps are formed between the inner layer (3) and the three polyvinyl chloride protective inner sleeve layers (2);
a low-smoke halogen-free polyolefin flame-retardant material (7) filled in the first gap;
six first cables (5) which are arranged on the outer wall of the inner layer (3) in an annular array and are in contact with the outer wall, wherein the cross sections of the first cables (5) are circular;
the outer protective layers (4) are coated on the outer walls of the six first cables (5), and second gaps are formed between the outer protective layers (4) and the six first cables (5);
and a polyvinyl chloride flame retardant material (8) filled in the second gap.
2. The power cable with the polyvinyl chloride insulating steel tape armored polyvinyl chloride sheath according to claim 1, wherein the inner layer (3) is composed of a first shielding layer (31) and a first polyvinyl chloride insulating layer (32) which are sequentially arranged from inside to outside, the first shielding layer (31) covers the surfaces of the three polyvinyl chloride protective inner sheath layers (2), and the first polyvinyl chloride insulating layer (32) covers the circumferential surface of the first shielding layer (31).
3. The power cable with the polyvinyl chloride insulating steel tape armored polyvinyl chloride sheath as claimed in claim 2, wherein the first cable (5) is composed of a second copper core (51), an outer shielding layer (52), a second polyvinyl chloride insulating layer (53) and a first polyvinyl chloride protective outer sheath layer (54) which are arranged from inside to outside in sequence, the outer shielding layer (52) covers the circumferential surface of the second copper core (51), the second polyvinyl chloride insulating layer (53) covers the circumferential surface of the outer shielding layer (52), and the first polyvinyl chloride protective outer sheath layer (54) covers the circumferential surface of the second polyvinyl chloride insulating layer (53).
4. The power cable with the polyvinyl chloride insulating steel tape armored polyvinyl chloride sheath as claimed in claim 3, wherein the outer protective layer (4) is composed of a second polyvinyl chloride protective outer jacket layer (41) and a steel tape jacket layer (42) which are arranged from inside to outside in sequence, the second polyvinyl chloride protective outer jacket layer (41) covers the surfaces of the six first polyvinyl chloride protective outer jacket layers (54), and the steel tape jacket layer (42) covers the circumferential surface of the second polyvinyl chloride protective outer jacket layer (41).
5. The polyvinyl chloride-insulated steel-tape-armored polyvinyl chloride-sheathed power cable according to claim 4, wherein the first shielding layer (31) and the second polyvinyl chloride-insulated layer (53) are braided with tinned copper wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020881344.9U CN212461237U (en) | 2020-05-24 | 2020-05-24 | Polyvinyl chloride insulating steel strip armored polyvinyl chloride sheath power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020881344.9U CN212461237U (en) | 2020-05-24 | 2020-05-24 | Polyvinyl chloride insulating steel strip armored polyvinyl chloride sheath power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212461237U true CN212461237U (en) | 2021-02-02 |
Family
ID=74500497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020881344.9U Active CN212461237U (en) | 2020-05-24 | 2020-05-24 | Polyvinyl chloride insulating steel strip armored polyvinyl chloride sheath power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212461237U (en) |
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2020
- 2020-05-24 CN CN202020881344.9U patent/CN212461237U/en active Active
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