CN221281784U - Bending-resistant power cable - Google Patents
Bending-resistant power cable Download PDFInfo
- Publication number
- CN221281784U CN221281784U CN202323273229.6U CN202323273229U CN221281784U CN 221281784 U CN221281784 U CN 221281784U CN 202323273229 U CN202323273229 U CN 202323273229U CN 221281784 U CN221281784 U CN 221281784U
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- Prior art keywords
- bending
- cable
- resistant
- power cable
- sleeve
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- 238000005452 bending Methods 0.000 title claims abstract description 93
- 230000001681 protective effect Effects 0.000 claims description 19
- 239000003063 flame retardant Substances 0.000 claims description 15
- 239000012783 reinforcing fiber Substances 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 9
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 abstract description 12
- 229920000742 Cotton Polymers 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 8
- 229920002635 polyurethane Polymers 0.000 abstract description 6
- 239000004814 polyurethane Substances 0.000 abstract description 6
- 238000007493 shaping process Methods 0.000 abstract description 4
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a bending-resistant power cable, which is characterized in that a bending-resistant component I is arranged, a spiral line I is made of elastic materials, such as polyurethane materials, and has excellent elasticity, wear resistance and shaping memory, and is of a spiral structure, so that the spiral line I can play a bending-resistant effect on a cable core of the cable no matter whether the cable is subjected to common bending or torsional bending, and can be quickly restored after torsion occurs, the bending-resistant performance of the cable can be improved, and the bending-resistant power cable is used for solving the problems that the cable in the patent is subjected to bending resistance by using cotton ropes, the cotton ropes are distributed in parallel with the cable, and are not in excessive contact with the cable, so that the cable is difficult to bear the force generated when the cable is twisted, the cable is easy to break when the cable is twisted, the protection of the cotton ropes on the cable is insufficient, and the cable is difficult to play a comprehensive bending-resistant effect.
Description
Technical Field
The utility model relates to the field of power cables, in particular to a bending-resistant power cable.
Background
A power cable is a cable for transmitting electrical energy from a power source (e.g., a wall socket or power plug) to an electronic device or appliance for supplying power, and is typically composed of conductors, insulating materials, and a protective outer layer;
Application number: CN202123323301.2 is a bending-resistant automobile cable, and elastic cotton ropes are filled in the clearance parts outside the cable body formed by twisting signal wires and power wires, so that the cable body plays a role in buffering through the elastic cotton ropes in the bending process, friction and bending loss between the power wires and the signal wires are reduced, the overall bending performance of the cable body is improved, and the problem of poor bending performance of the traditional combined cable is solved;
However, the cables in the above-mentioned comparative patents use cotton ropes for bending resistance, the cotton ropes are all distributed parallel to the cables, and the cotton ropes are not in excessive contact with the cables, so that the cables are difficult to bear the force generated when the cables are twisted, the cables are easy to break when the cables are twisted, and the cotton ropes are insufficient in protection of the cables, so that the cables are difficult to have comprehensive bending resistance effect.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide a bending-resistant power cable, which is characterized in that a first bending-resistant component is arranged, a first spiral line is made of an elastic material, such as a polyurethane material, and has excellent elasticity, wear resistance and shaping memory, and is of a spiral structure, so that the first spiral line can play a bending-resistant effect on a power cable core of the cable no matter the cable is subjected to common bending or torsional bending, and can also recover the original state quickly after torsion occurs, and the bending-resistant performance of the power cable can be improved.
The technical aim of the utility model is realized by the following technical scheme:
The utility model provides a resistant power cable that buckles, includes insulating cover, insulating cover's internal connection has resistant subassembly first of buckling, insulating cover's external connection has resistant subassembly second of buckling.
The first bending-resistant assembly comprises a plurality of power cable cores, the power cable cores are connected inside the insulating sleeve, the power cable cores are twisted together, and the outer parts of the power cable cores are wound with spiral lines.
Through setting up resistant subassembly first of buckling, helix adopts elastic material to make, like polyurethane material, has excellent elasticity, wearability and design memory to be helix, therefore whether this cable receives the bending of ordinary buckling or twistability, helix first can both play the effect of buckling resistance to the power cord cable core of cable, and can also resume the original state soon after the torsion takes place, consequently can improve the resistant bending performance of this power cord.
Further, one end of the first spiral line is fixedly connected with the power line cable core, and the other end of the first spiral line is fixedly connected with the power line cable core.
Further, the first bending-resistant component further comprises a bending-resistant wrapping layer, and the bending-resistant wrapping layer is fixedly connected to the outer portion of the first spiral line.
Through setting up resistant parcel layer of buckling, this resistant parcel layer of buckling adopts elastic material to make equally, and adopts network structure, consequently not only has stronger anti bending property, has better ductility moreover, has stronger stretch-proofing effect, consequently can improve the resistant bending property and the stretch-proofing performance of this power cable.
Further, the inner wall fixedly connected with fire-retardant cover of insulating cover, the inner wall fixedly connected with waterproof cover of fire-retardant cover.
Through setting up fire-retardant cover, can improve the fire-retardant performance of this power cable, waterproof cover can improve the waterproof performance of this power cable.
Further, a cavity is arranged between the waterproof sleeve and the bending-resistant wrapping layer, and a reinforcing fiber sleeve is fixedly connected inside the cavity.
Further, the bending-resistant wrapping layer is of a net structure, and the reinforcing fiber sleeve is of a net structure.
Further, the second bending-resistant component comprises a protective sleeve, the protective sleeve is fixedly connected to the outer portion of the insulating sleeve, and a second spiral line is wound on the outer portion of the protective sleeve.
Further, one end of the second spiral line is fixedly connected with the protective sleeve, and the other end of the second spiral line is fixedly connected with the protective sleeve.
In summary, the utility model has the following beneficial effects:
1. The first bending-resistant component is arranged, and the first spiral line is made of elastic materials, such as polyurethane materials, has excellent elasticity, wear resistance and shaping memory and is of a spiral structure, so that the first spiral line can play a role in bending resistance of a cable core of a power cable, and can be quickly restored after torsion occurs, and the bending-resistant performance of the power cable can be improved;
2. By arranging the bending-resistant wrapping layer, the bending-resistant wrapping layer is also made of an elastic material and is of a net-shaped structure, so that the power cable has high bending resistance, high ductility and high stretching resistance, and the bending resistance and the stretching resistance of the power cable can be improved;
3. through setting up fire-retardant cover, can improve the fire-retardant performance of this power cable, waterproof cover can improve the waterproof performance of this power cable.
Drawings
FIG. 1 is a schematic view of the overall structure in the present embodiment;
FIG. 2 is a schematic view of a part of the bending-resistant component in the present embodiment;
FIG. 3 is a schematic view of the cross-section of the present embodiment;
Fig. 4 is a schematic structural view at a in fig. 3 in the present embodiment.
In the figure, 1, an insulating sleeve; 2. a bending-resistant component I; 201. a power cable core; 202. a first spiral line; 203. a bend resistant wrapping layer; 204. a flame retardant sleeve; 205. a waterproof jacket; 206. a cavity; 207. a reinforcing fiber sleeve; 3. a bending-resistant component II; 301. a protective sleeve; 302. and a spiral line II.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Referring to fig. 1, a bending-resistant power cable according to a preferred embodiment of the present utility model includes an insulation sleeve 1, a bending-resistant component 1 is connected to the inside of the insulation sleeve 1, and a bending-resistant component 3 is connected to the outside of the insulation sleeve 1.
Referring to fig. 1-4, the bending-resistant assembly one 2 includes a plurality of power cable cores 201, the plurality of power cable cores 201 are connected inside the insulating sleeve 1, the plurality of power cable cores 201 are twisted together, and a spiral line one 202 is wound around the outside of the plurality of power cable cores 201.
By providing the bending-resistant component one 2, the spiral line one 202 is made of an elastic material, such as a polyurethane material, and has excellent elasticity, wear resistance and shape memory, and is of a spiral structure, so that the spiral line one 202 can play a role in bending resistance of the power cable core 201 of the cable no matter whether the cable is subjected to common bending or torsional bending, and can also recover quickly after torsion occurs, and therefore the bending-resistant performance of the power cable can be improved.
Referring to fig. 1-4, one end of the first spiral wire 202 is fixedly connected to the power cable core 201, and the other end of the first spiral wire 202 is fixedly connected to the power cable core 201.
Referring to fig. 1-4, the first bending-resistant component 2 further includes a bending-resistant wrapping layer 203, and the bending-resistant wrapping layer 203 is fixedly connected to the outer portion of the first spiral line 202.
Through setting up resistant parcel layer 203 of buckling, this resistant parcel layer 203 of buckling adopts elastic material to make equally, and adopts network structure, consequently not only has stronger bending resistance ability, has better ductility moreover, has stronger stretch-proofing effect, consequently can improve the bending resistance performance and the stretch-proofing performance of this power cable.
Referring to fig. 1 to 4, a flame retardant sleeve 204 is fixedly connected to the inner wall of the insulating sleeve 1, and a waterproof sleeve 205 is fixedly connected to the inner wall of the flame retardant sleeve 204.
By providing the flame retardant cover 204, the flame retardant performance of the power cable can be improved, and the waterproof cover 205 can improve the waterproof performance of the power cable.
Referring to fig. 1-4, a cavity 206 is provided between the waterproof jacket 205 and the bending-resistant wrapping layer 203, and a reinforcing fiber jacket 207 is fixedly connected to the inside of the cavity 206.
Referring to fig. 1 to 4, the bending-resistant wrapping layer 203 has a mesh structure, and the reinforcing fiber cover 207 has a mesh structure.
By arranging the reinforcing fiber sleeve 207, the reinforcing fiber sleeve 207 is made of glass fibers or carbon fibers, different materials can be specifically selected according to different budgets, carbon fibers can be selected with more budgets, glass fibers can be selected with less budgets, and the bending resistance of the power cable can be improved due to the very strong strength of the net-shaped reinforcing fiber sleeve 207.
Referring to fig. 1, 3 and 4, the second bending-resistant component 3 includes a protective sleeve 301, the protective sleeve 301 is fixedly connected to the outside of the insulating sleeve 1, and a second spiral line 302 is wound around the outside of the protective sleeve 301.
Referring to fig. 1, 3 and 4, one end of the second spiral 302 is fixedly connected to the protective sheath 301, and the other end of the second spiral 302 is fixedly connected to the protective sheath 301.
Through setting up protective sheath 301, can play the effect of protection to this cable whole, helix two 302 adopts insulating elastic material to make, like natural rubber etc. no matter this cable receives ordinary buckling or torsional buckling, helix two 302 can both play the effect of anti buckling to the power cable of cable.
The specific implementation process comprises the following steps: the first spiral line 202 is made of elastic materials, such as polyurethane materials, has excellent elasticity, wear resistance and shaping memory, and is of a spiral structure, so that the first spiral line 202 can play a role in bending resistance of the power cable core 201 of the cable no matter whether the cable is subjected to common bending or torsional bending, and can also recover quickly after torsion occurs, and the bending resistance of the power cable can be improved;
In addition, the protective sleeve 301 can protect the whole cable, the second spiral line 302 is made of insulating elastic materials, such as natural rubber, and the second spiral line 302 can play a role in bending resistance of the power cable of the cable no matter the cable is subjected to common bending or torsional bending;
The bending-resistant wrapping layer 203 is also made of an elastic material, and is of a net-shaped structure, so that the bending-resistant wrapping layer 203 has high bending resistance, high ductility and high stretching resistance, and the bending resistance and the stretching resistance of the power cable can be improved;
The reinforcing fiber sleeve 207 is made of glass fiber or carbon fiber, specifically, different materials can be selected according to different budgets, carbon fiber can be selected if the budgets are more, glass fiber can be selected if the budgets are less, and the bending resistance of the power cable can be improved due to the very strong strength of the net-shaped reinforcing fiber sleeve 207;
in addition, the flame retardant jacket 204 can improve the flame retardant performance of the present power cable, and the waterproof jacket 205 can improve the waterproof performance of the present power cable.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A bending-resistant power cable, characterized in that: comprises an insulating sleeve (1), wherein the inside of the insulating sleeve (1) is connected with a bending-resistant component I (2), the outside of the insulating sleeve (1) is connected with a bending-resistant component II (3),
The first bending-resistant component (2) comprises a plurality of power cable cores (201), wherein the power cable cores (201) are connected inside the insulating sleeve (1), the power cable cores (201) are twisted together, and a first spiral line (202) is wound outside the power cable cores (201).
2. The bending-resistant power cable of claim 1, wherein: one end of the first spiral line (202) is fixedly connected with the power line cable core (201), and the other end of the first spiral line (202) is fixedly connected with the power line cable core (201).
3. The bending-resistant power cable of claim 1, wherein: the first bending-resistant component (2) further comprises a bending-resistant wrapping layer (203), and the bending-resistant wrapping layer (203) is fixedly connected to the outer portion of the first spiral line (202).
4. A bending-resistant power cable according to claim 3, wherein: the inner wall of the insulating sleeve (1) is fixedly connected with a flame-retardant sleeve (204), and the inner wall of the flame-retardant sleeve (204) is fixedly connected with a waterproof sleeve (205).
5. The bending-resistant power cable of claim 4, wherein: a cavity (206) is arranged between the waterproof sleeve (205) and the bending-resistant wrapping layer (203), and a reinforcing fiber sleeve (207) is fixedly connected inside the cavity (206).
6. The bending-resistant power cable of claim 5, wherein: the bending-resistant wrapping layer (203) is of a net structure, and the reinforcing fiber sleeve (207) is of a net structure.
7. The bending-resistant power cable of claim 1, wherein: the second bending-resistant component (3) comprises a protective sleeve (301), the protective sleeve (301) is fixedly connected to the outer portion of the insulating sleeve (1), and a second spiral line (302) is wound on the outer portion of the protective sleeve (301).
8. The bending-resistant power cable of claim 7, wherein: one end of the spiral line II (302) is fixedly connected with the protective sleeve (301), and the other end of the spiral line II (302) is fixedly connected with the protective sleeve (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323273229.6U CN221281784U (en) | 2023-12-01 | 2023-12-01 | Bending-resistant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323273229.6U CN221281784U (en) | 2023-12-01 | 2023-12-01 | Bending-resistant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221281784U true CN221281784U (en) | 2024-07-05 |
Family
ID=91694555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323273229.6U Active CN221281784U (en) | 2023-12-01 | 2023-12-01 | Bending-resistant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221281784U (en) |
-
2023
- 2023-12-01 CN CN202323273229.6U patent/CN221281784U/en active Active
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| GR01 | Patent grant |