CN216597100U - Special double-flame-retardant high-low voltage power cable - Google Patents
Special double-flame-retardant high-low voltage power cable Download PDFInfo
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- CN216597100U CN216597100U CN202122114066.1U CN202122114066U CN216597100U CN 216597100 U CN216597100 U CN 216597100U CN 202122114066 U CN202122114066 U CN 202122114066U CN 216597100 U CN216597100 U CN 216597100U
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Abstract
The utility model relates to the field of power cables, and discloses a special dual-flame-retardant high-low voltage power cable which comprises a non-metal protective sleeve, wherein the non-metal protective sleeve is wrapped on the outer end face of a shielding protective sleeve, the shielding protective sleeve is wrapped on the outer end face of a stainless steel hose, a plurality of copper conductors are fixedly arranged on the inner side of the stainless steel hose, the plurality of copper conductors are fixedly connected through a plurality of rubber supporting rods, and the outer end faces of the plurality of copper conductors are all wrapped with a protective sleeve mechanism; the protective sleeve mechanism comprises an inner protective sleeve, the inner protective sleeve is wrapped on the outer end face of the copper conductor, the middle layer protective sleeve is wrapped on the outer end face of the inner protective sleeve, and the outer protective sleeve is wrapped on the outer end face of the middle layer protective sleeve. The utility model has the advantages of good protection effect, good stability, good radiation protection and anti-interference effects, corrosion resistance, high temperature resistance, excellent waterproof performance and high practicability.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a special double-flame-retardant high-low voltage power cable.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables. The flame-retardant type power cable refers to a cable for transmitting and distributing electric energy. The power transmission line is commonly used for urban underground power grids, leading-out lines of power stations, internal power supply of industrial and mining enterprises and underwater power transmission lines crossing rivers and sea. In the power lines, the specific gravity occupied by the cable is gradually increasing. The existing power cable is poor in protection and stability, poor in radiation-proof and anti-interference effects, corrosion-resistant, high-temperature-resistant and poor in waterproof performance, and further provides the special double-flame-retardant high-low voltage power cable.
SUMMERY OF THE UTILITY MODEL
The special double-flame-retardant high-low voltage power cable provided by the utility model solves the problems in the background technology.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a special double-flame-retardant high-low voltage power cable comprises a non-metal protective sleeve, wherein the non-metal protective sleeve is wrapped on the outer end face of a shielding protective sleeve, the shielding protective sleeve is wrapped on the outer end face of a stainless steel hose, a plurality of copper conductors are fixedly arranged on the inner side of the stainless steel hose and fixedly connected through a plurality of rubber supporting rods, and a protective sleeve mechanism is wrapped on the outer end faces of the plurality of copper conductors;
the protective sheath mechanism includes interior protective sheath, interior protective sheath is wrapped up in and is located the outer terminal surface of copper conductor, the outer terminal surface of interior protective sheath is wrapped up in to the intermediate level protective sheath, outer protective sheath is wrapped up in and is located the outer terminal surface of intermediate level protective sheath.
Preferably, the middle layer protective sleeve comprises an anti-corrosion layer, the anti-corrosion layer is wrapped outside the fire-resistant layer, and the fire-resistant layer is wrapped on the outer end face of the inner protective sleeve.
Preferably, the corrosion-resistant layer material is chloroprene rubber, and the fire-resistant layer material is methyl vinyl silicone rubber.
Preferably, the outer protective sleeve comprises a waterproof layer, the waterproof layer is wrapped on the outer end face of the high-temperature-resistant layer, and the high-temperature-resistant layer is wrapped on the outer end face of the corrosion-resistant layer.
Preferably, the waterproof layer is made of polyethylene, and the high-temperature-resistant layer is made of polyurethane rubber.
Preferably, an insulating filler is arranged inside the stainless steel hose and between the plurality of copper conductors.
Preferably, a plurality of heat dissipation holes are formed in the stainless steel hose.
The utility model has the beneficial effects that: the shielding protective sleeve is arranged, so that the radiation effect of the copper conductor can be greatly reduced; the rubber supporting rods are arranged, so that the mutual stability among the plurality of copper conductors can be improved, and the protection effect on the copper conductors can be improved by arranging the protection sleeve mechanism; by arranging the insulating filler, the mutual radiation interference among the plurality of copper conductors can be reduced; the outer protective sleeve is arranged, so that the waterproof and high-temperature resistant effects on the copper conductor can be improved; through being provided with the intermediate level protective sheath, can improve corrosion-resistant and fire-resistant effect to the copper conductor. The utility model has the advantages of good protection effect, good stability, good radiation protection and interference prevention effect, corrosion resistance, high temperature resistance, excellent waterproof performance and high practicability.
Drawings
Fig. 1 is a schematic structural diagram of a dedicated dual flame retardant high and low voltage power cable according to the present invention.
Fig. 2 is a schematic partial structure diagram of a dedicated dual flame retardant high and low voltage power cable according to the present invention.
Fig. 3 is a schematic structural diagram of a middle layer protective sleeve in a special double-flame-retardant high-low voltage power cable provided by the utility model.
Fig. 4 is a schematic structural diagram of an outer protective sleeve in a special dual flame retardant high and low voltage power cable provided by the utility model.
Reference numbers in the figures: 1, a non-metal protective sleeve, 2 a shielding protective sleeve, 3 heat dissipation holes, 4 stainless steel hoses, 5 protective sleeve mechanisms, 6 copper conductors, 7 rubber support rods and 8 insulating fillers;
501 inner protective sleeve;
502 middle layer protective sleeve, 5021 corrosion resistant layer and 5022 fire resistant layer;
an outer protective sleeve 503, a waterproof layer 5031 and a high temperature resistant layer 5032.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-2, a special dual-flame-retardant high-low voltage power cable comprises a non-metal protective sleeve 1, wherein the non-metal protective sleeve 1 is wrapped on the outer end face of a shielding protective sleeve 2, the shielding protective sleeve 2 is wrapped on the outer end face of a stainless steel hose 4, a plurality of copper conductors 6 are fixedly arranged on the inner side of the stainless steel hose 4, the plurality of copper conductors 6 are fixedly connected through a plurality of rubber support rods 7, and the outer end faces of the plurality of copper conductors 6 are all wrapped with a protective sleeve mechanism 5;
protective sheath mechanism 5 includes interior protective sheath 501, and interior protective sheath 501 wraps up in and locates the outer terminal surface of copper conductor 6, and the outer terminal surface of interior protective sheath 501 is wrapped up in to intermediate level protective sheath 502, and outer protective sheath 503 wraps up in and locates the outer terminal surface of intermediate level protective sheath 502.
The working principle is as follows: the shielding protective sleeve 2 is arranged, so that the radiation effect of the copper conductor 6 can be greatly reduced; through being provided with rubber support rod 7, can improve the mutual stability between a plurality of copper conductors 6, can improve the protection effect to copper conductor 6 through being provided with protective sheath mechanism 5.
Example 2
Referring to fig. 1 to 4, in this embodiment, compared to the first embodiment, the dedicated dual flame retardant high-low voltage power cable further includes a middle layer protective sleeve 502, an outer protective sleeve 503, and a stainless steel hose 4, the middle layer protective sleeve 502 includes a corrosion resistant layer 5021, the corrosion resistant layer 5021 is wrapped outside a flame retardant layer 5022, the flame retardant layer 5022 is wrapped on an outer end face of the inner protective sleeve 501, the corrosion resistant layer 5021 is made of neoprene, the flame retardant layer 5022 is made of methyl vinyl silicone rubber, the outer protective sleeve 503 includes a waterproof layer 5031, the waterproof layer 5031 is wrapped on an outer end face of the high temperature resistant layer 5032, the high temperature resistant layer 5032 is wrapped on an outer end face of the corrosion resistant layer 5031, the waterproof layer 5031 is made of polyethylene, the high temperature resistant layer 5032 is made of polyurethane rubber, an insulating filler 8 is disposed inside the stainless steel hose 4 and between a plurality of copper conductors 6, and a plurality of heat dissipation holes 3 are formed in the stainless steel hose 4.
The working principle is as follows: by arranging the insulating filler 8, the mutual radiation interference among the plurality of copper conductors 6 can be reduced, and the use efficiency of the copper conductors 6 is further improved; the outer protective sleeve 503 can improve the waterproof and high temperature resistant effects on the copper conductor 6; by providing the intermediate protective jacket 502, the corrosion resistance and the fire resistance of the copper conductor 6 can be improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
The above description is only for 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 should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A special double-flame-retardant high-low voltage power cable comprises a non-metal protective sleeve (1), and is characterized in that the non-metal protective sleeve (1) is wrapped on the outer end face of a shielding protective sleeve (2), the shielding protective sleeve (2) is wrapped on the outer end face of a stainless steel hose (4), a plurality of copper conductors (6) are fixedly arranged on the inner side of the stainless steel hose (4), the plurality of copper conductors (6) are fixedly connected through a plurality of rubber supporting rods (7), and the outer end faces of the plurality of copper conductors (6) are all wrapped with a protective sleeve mechanism (5);
protective sheath mechanism (5) are including interior protective sheath (501), interior protective sheath (501) are wrapped up in and are located the outer terminal surface of copper conductor (6), interior protective sheath (501) outer terminal surface is wrapped up in and is equipped with intermediate level protective sheath (502), outer terminal surface of intermediate level protective sheath (502) is wrapped up in and is equipped with outer protective sheath (503).
2. The special double-flame-retardant high-low voltage power cable according to claim 1, wherein the middle-layer protective sleeve (502) comprises a corrosion-resistant layer (5021), the corrosion-resistant layer (5021) is wrapped outside a flame-retardant layer (5022), and the flame-retardant layer (5022) is wrapped on the outer end face of the inner protective sleeve (501).
3. The special double-flame-retardant high-low voltage power cable according to claim 2, wherein the corrosion-resistant layer (5021) is made of neoprene, and the flame-resistant layer (5022) is made of methyl vinyl silicone rubber.
4. The special double-flame-retardant high-low voltage power cable according to claim 1 or 2, wherein the outer protective sleeve (503) comprises a waterproof layer (5031), the waterproof layer (5031) is wrapped on the outer end face of the high temperature resistant layer (5032), and the high temperature resistant layer (5032) is wrapped on the outer end face of the corrosion resistant layer (5021).
5. The special double-flame-retardant high-low voltage power cable according to claim 4, wherein the waterproof layer (5031) is made of polyethylene, and the high-temperature-resistant layer (5032) is made of polyurethane rubber.
6. The special double flame retardant high and low voltage power cable according to claim 1, wherein an insulating filler (8) is arranged inside the stainless steel hose (4) and between the plurality of copper conductors (6).
7. The special double-flame-retardant high-low voltage power cable according to claim 1, wherein the stainless steel hose (4) is provided with a plurality of heat dissipation holes (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122114066.1U CN216597100U (en) | 2021-09-03 | 2021-09-03 | Special double-flame-retardant high-low voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122114066.1U CN216597100U (en) | 2021-09-03 | 2021-09-03 | Special double-flame-retardant high-low voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216597100U true CN216597100U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122114066.1U Active CN216597100U (en) | 2021-09-03 | 2021-09-03 | Special double-flame-retardant high-low voltage power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216597100U (en) |
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2021
- 2021-09-03 CN CN202122114066.1U patent/CN216597100U/en active Active
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