CN220041467U - Flame-retardant power cable - Google Patents

Flame-retardant power cable Download PDF

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Publication number
CN220041467U
CN220041467U CN202321617560.2U CN202321617560U CN220041467U CN 220041467 U CN220041467 U CN 220041467U CN 202321617560 U CN202321617560 U CN 202321617560U CN 220041467 U CN220041467 U CN 220041467U
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China
Prior art keywords
wall
flame retardant
retardant
flame
cable
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CN202321617560.2U
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Chinese (zh)
Inventor
刘贡献
王文华
朱霖峰
严德彪
毛忠念
唐培华
茅天力
解苏友
尹秀仔
李勇
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Kaiyuan Cable Co ltd
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Kaiyuan Cable Co ltd
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Priority to CN202321617560.2U priority Critical patent/CN220041467U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model relates to the technical field of power cables and discloses a flame-retardant power cable which comprises a wire tube, wherein a heat dissipation assembly is arranged on the outer wall of the wire tube, an outer sheath is attached to the inner wall of one end of the wire tube, an insulating sleeve is arranged on the inner wall of the outer sheath, a flame-retardant assembly is arranged on the inner wall of the insulating sleeve, and a cable is arranged on the inner wall of the flame-retardant assembly. Through the setting of heat absorption cushion, louvre, sleeve pipe and sealing washer, cup joint through sleeve pipe and spool outer wall, utilize the sealing washer to cup joint sleeve pipe and spool department and seal, adsorb the hot air current that the spool distributes through the heat absorption cushion, discharge the hot air current through the louvre, can improve the heat dispersion of cable when airtight space, avoid the high temperature to burn out the cable, the practicality is strong.

Description

Flame-retardant power cable
Technical Field
The utility model relates to the technical field of power cables, in particular to a flame-retardant power cable.
Background
The flame-retardant power cable has special flame retardance, low smoke generation and toxic smoke suppression performance, and the product is suitable for being fixedly laid on an alternating-current 50Hz power transmission and distribution line with the voltage level of 1kV or below for power transmission and distribution, and is mainly used in occasions with high flame retardance requirements such as hotels, banks, hospitals, factories, comprehensive wiring of businesses and houses and the like;
the utility model discloses a flame-retardant cable disclosed in patent number CN202021583937.3, relates to the field of cables, and aims to solve the problems of insufficient structural strength and poor stability of the existing flame-retardant cable in the prior art. The inside of fire-retardant cable shell is provided with the outer lantern ring of polyethylene, the internal surface of outer lantern ring of polyethylene is provided with the rubber pad, rubber pad and fire-retardant cable shell block, just fire-retardant cable shell's inside is provided with the wrinkle aluminium package sheath, the internal surface of wrinkle aluminium package sheath is provided with the filling layer, the inside of filling layer is provided with insulating leather sheath, the internally mounted of insulating leather sheath has crosslinked polyethylene pipe, crosslinked polyethylene pipe's internally mounted has the baffle, the both sides of baffle all are provided with the conductor leather sheath, the inside of conductor leather sheath is provided with the copper core conductor.
However, the prior art patents suffer from the following drawbacks: (1) When the device is used, the heat dissipation performance of the cable is poor in a closed space, the cable is easy to burn at high temperature, and the practicability is poor;
(2) The device is in actual use, the parcel is inseparable enough, and the cable inner wall air circulation can make the intensity of a fire spread when the conflagration breaks out, and the security is lower to can't reach best result of use.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a flame-retardant power cable, which solves the problems that the cable has poor heat dissipation performance in a closed space, is easy to burn at high temperature, has poor practicality and is not tightly wrapped, and the air circulation on the inner wall of the cable can spread fire when a fire disaster occurs, so that the safety is lower, and the best use effect cannot be achieved.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a fire-retardant power cable, includes the spool, the radiating component is installed to the spool outer wall, and spool one end inner wall laminating has the oversheath, insulating cover is installed to the oversheath inner wall, and fire-retardant component is installed to insulating cover inner wall, fire-retardant component installs the cable conductor in the inner wall.
Further, the heat dissipation assembly comprises a heat absorption cushion block, the heat absorption cushion block is installed around the outer wall of the heat dissipation assembly, a heat dissipation hole is formed in the outer side wall of the heat absorption cushion block, a sleeve is arranged on the inner wall of the heat dissipation assembly in a penetrating mode, and a sealing ring is attached to the inner wall of the sleeve.
Further, the sleeve is sleeved with the wire tube, and the sleeve is a high-strength PVC member.
Furthermore, the sealing ring is attached around the inner wall of the sleeve, and the sealing ring is a silica gel member.
Further, the fire-retardant subassembly includes fire-retardant coil, fire-retardant coil is laminated to fire-retardant subassembly lateral wall, and fire-retardant subassembly inner wall installs the flame retardant coating, the laminating of flame retardant coating outer wall has the isolation layer.
Further, the flame-retardant coil is particularly circular, and the flame-retardant coil is particularly made of polyphenylene sulfide (PPS) members.
Further, the fire-resistant layer is attached to the cable, and the mica tape is attached to the inner wall of the fire-resistant layer.
(III) beneficial effects
The utility model provides a flame-retardant power cable, which has the following beneficial effects:
through the setting of heat absorption cushion, louvre, sleeve pipe and sealing washer, cup joint through sleeve pipe and spool outer wall, utilize the sealing washer to cup joint sleeve pipe and spool department and seal, adsorb the hot air current that the spool distributes through the heat absorption cushion, discharge the hot air current through the louvre, can improve the heat dispersion of cable when airtight space, avoid the high temperature to burn out the cable, the practicality is strong.
Through setting up of fire-retardant coil, flame retardant coating and isolation layer, through flame retardant coating and cable conductor outer wall parcel mutually, can effectively protect the cable conductor to move a period of time when meetting the conflagration, utilize isolated cable conductor of isolation layer, prevent the electric current leakage, wrap up the cable conductor outer wall through fire-retardant coil, prevent that the cable conductor inner wall from burning, the parcel is inseparabler, can prevent the cable inner wall circulation of air when taking place the conflagration, avoids the intensity of a fire to spread, safe and reliable to reach best result of use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a heat dissipating assembly according to the present utility model;
FIG. 3 is a schematic view of a flame retardant assembly according to the present utility model.
In the figure: 1. a conduit; 2. a heat dissipation assembly; 21. a heat absorbing cushion block; 22. a heat radiation hole; 23. a sleeve; 24. a seal ring; 3. an outer sheath; 4. an insulating sleeve; 5. a flame retardant assembly; 51. a flame retardant coil; 52. a refractory layer; 53. an isolation layer; 6. and (5) a cable line.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a fire-retardant power cable, including spool 1, through spool 1 and the cooperation of oversheath 3 at the cable laying in-process, can prevent corrosion, resistant extrusion, extension cable's life, heat dissipation assembly 2 is installed to spool 1 outer wall, and spool 1 one end inner wall laminating has oversheath 3, insulating cover 4 is installed to oversheath 3 inner wall, utilize insulating cover 4 can prevent cable conductor 6 electric leakage, and insulating cover 4 inner wall installs fire-retardant subassembly 5, fire-retardant subassembly 5 inner wall installs cable conductor 6, utilize cable conductor 6 to carry out transmission current.
The heat dissipation assembly 2 comprises a heat absorption cushion block 21, the heat absorption cushion block 21 is installed around the outer wall of the heat dissipation assembly 2, and the heat dissipation hole 22 is formed in the outer side wall of the heat absorption cushion block 21, the sleeve 23 is arranged on the inner wall of the heat dissipation assembly 2 in a penetrating mode, the inner wall of the sleeve 23 is attached with the sealing ring 24, the sleeve 23 is sleeved with the outer wall of the spool 1 through the sleeve 23, the sleeve 24 is used for sealing the sleeve 23 and the sleeve 1, the heat absorption cushion block 21 is used for absorbing hot air emitted by the spool 1, the hot air is discharged through the heat dissipation hole 22, the sleeve 23 is sleeved with the spool 1, the sleeve 23 is made of high-strength PVC (polyvinyl chloride) components specifically, the heat dissipation assembly is corrosion-resistant, the service life is prolonged, the sealing ring 24 is attached around the inner wall of the sleeve 23 in a surrounding mode, the sealing ring 24 is made of silica gel components specifically, and the sealing is tighter, and the best use effect is achieved.
The flame retardant assembly 5 includes flame retardant coil 51, flame retardant coil 51 is laminated to flame retardant assembly 5 lateral wall, and flame retardant coating 52 is installed to flame retardant assembly 5 inner wall, flame retardant coating 52 outer wall laminating has isolation layer 53, wrap up with cable 6 outer wall mutually through flame retardant coating 52, can effectively protect cable 6 operation a period of time when meetting the conflagration, utilize isolation layer 53 to isolate cable 6, prevent the electric current leakage, wrap up cable 6 outer wall through flame retardant coil 51, prevent cable 6 inner wall burning, flame retardant coil 51 is circular, and flame retardant coil 51 specifically adopts polyphenylene sulfide PPS component, the heat resistance is strong, can prevent the intensity of a fire to spread, flame retardant coating 52 is laminated with cable 6 mutually, and flame retardant coating 52 inner wall laminating has the mica tape, utilize the mica tape to protect the cable inside not influenced by outside high temperature in certain time, prevent that the cable from burning loss.
Detailed descriptions of known functions and known components are omitted in the specific embodiments of the present disclosure, and the operating means adopted to ensure compatibility of the device are consistent with the parameters of the commercial instruments.
In summary, the operation steps of the flame-retardant power cable are as follows;
during the use, through the cooperation of spool 1 and oversheath 3 at the cable laying in-process, can prevent corrosion, resistant extrusion, extension cable's life cup joints through sleeve pipe 23 and spool 1 outer wall, utilize sealing washer 24 to cup joint sleeve pipe 23 and spool 1 department and seal, adsorb the hot air current that spool 1 distributes through heat absorption cushion 21, discharge hot air current through louvre 22, can prevent cable conductor 6 electric leakage through insulating cover 4, wrap up with cable conductor 6 outer wall through flame retardant coating 52, can effectively protect cable conductor 6 to move a period when meetting the conflagration, utilize isolation layer 53 to insulate cable conductor 6, prevent the electric current leakage, wrap up cable conductor 6 outer wall through fire-retardant coil 51, prevent cable conductor 6 inner wall burning, utilize cable conductor 6 to carry out transmission current.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Flame retardant power cable, comprising a conduit (1), characterized in that: the utility model discloses a wire pipe, including spool (1), cable conductor, insulating cover (4), fire-retardant subassembly (5) are installed to spool (1) outer wall, and spool (1) one end inner wall laminating has oversheath (3), insulating cover (4) are installed to oversheath (3) inner wall, and fire-retardant subassembly (5) are installed to insulating cover (4) inner wall, cable conductor (6) are installed to fire-retardant subassembly (5) inner wall.
2. A flame retardant power cable according to claim 1, wherein: the heat dissipation assembly (2) comprises a heat absorption cushion block (21), the heat absorption cushion block (21) is installed around the outer wall of the heat dissipation assembly (2), a heat dissipation hole (22) is formed in the outer side wall of the heat absorption cushion block (21), a sleeve (23) is arranged on the inner wall of the heat dissipation assembly (2) in a penetrating mode, and a sealing ring (24) is attached to the inner wall of the sleeve (23).
3. A flame retardant power cable according to claim 2, wherein: the sleeve (23) is sleeved with the spool (1), and the sleeve (23) is a high-strength PVC member.
4. A flame retardant power cable according to claim 2, wherein: the sealing ring (24) is attached around the inner wall of the sleeve (23), and the sealing ring (24) is a silica gel member.
5. A flame retardant power cable according to claim 1, wherein: the flame retardant assembly (5) comprises a flame retardant coil (51), the flame retardant coil (51) is attached to the outer side wall of the flame retardant assembly (5), the flame retardant layer (52) is mounted on the inner wall of the flame retardant assembly (5), and the isolation layer (53) is attached to the outer wall of the flame retardant layer (52).
6. A flame retardant power cable according to claim 5, wherein: the flame-retardant coil (51) is particularly circular, and the flame-retardant coil (51) is particularly a polyphenylene sulfide (PPS) member.
7. A flame retardant power cable according to claim 5, wherein: the fire-resistant layer (52) is attached to the cable (6), and a mica tape is attached to the inner wall of the fire-resistant layer (52).
CN202321617560.2U 2023-06-26 2023-06-26 Flame-retardant power cable Active CN220041467U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321617560.2U CN220041467U (en) 2023-06-26 2023-06-26 Flame-retardant power cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321617560.2U CN220041467U (en) 2023-06-26 2023-06-26 Flame-retardant power cable

Publications (1)

Publication Number Publication Date
CN220041467U true CN220041467U (en) 2023-11-17

Family

ID=88720044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321617560.2U Active CN220041467U (en) 2023-06-26 2023-06-26 Flame-retardant power cable

Country Status (1)

Country Link
CN (1) CN220041467U (en)

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