CN220155201U - Metal sheath inorganic mineral insulated cable - Google Patents

Metal sheath inorganic mineral insulated cable Download PDF

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Publication number
CN220155201U
CN220155201U CN202321761561.4U CN202321761561U CN220155201U CN 220155201 U CN220155201 U CN 220155201U CN 202321761561 U CN202321761561 U CN 202321761561U CN 220155201 U CN220155201 U CN 220155201U
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China
Prior art keywords
mineral
cable
copper
insulated cable
metal
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CN202321761561.4U
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Chinese (zh)
Inventor
胡乐云
朱敬轩
罗锡群
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Wenzhou Weiying New Material Cable Co ltd
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Wenzhou Weiying New Material Cable Co ltd
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Priority to CN202321761561.4U priority Critical patent/CN220155201U/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

Abstract

The utility model relates to a metal sheath inorganic mineral insulated cable which comprises a plurality of copper conductors, wherein insulating layers are wrapped on the outer sides of the copper conductors, a layer of mineral wrapping tape is arranged on the outer sides of the insulating layers, flame-retardant filling is arranged between the mineral wrapping tape and the mineral insulating layers, and a layer of copper soft sheath is wrapped on the outer sides of the mineral wrapping tape. The mineral substance wrapping tape can well protect the cable, and the flame retardant filling can improve the flame retardance of the cable, can also ensure the integrity of the cable, and improves the strength of the cable. The copper soft sheath wrapped by the mineral substance outer layer has the advantages of high temperature resistance, difficult combustion, difficult generation of dense smoke and the like, and meanwhile, the copper soft sheath has higher wear resistance, and the phenomenon of breakage of the cable in the use process can be avoided.

Description

Metal sheath inorganic mineral insulated cable
Technical Field
The utility model relates to the technical field of power cables, in particular to a metal sheath inorganic mineral insulated cable.
Background
With the development of the electric power, computer and building industry in China, the electricity consumption is increased, and the main function of the cable is to transmit electric power or information from one place to another place through wires, so that the cable plays a vital role in life and work.
The existing flame-retardant material for the electric wires and cables contains more halogen, has poor flame-retardant effect and is easy to burn, and the problems of flame retardation, dripping and a large amount of toxic smoke are also caused when the cable burns, so that the cable has great potential safety hazard. Meanwhile, the cable strength is poor, the cable is easy to wear, and the cable breakage phenomenon is easy to occur in the processing or using process.
Therefore, it is necessary to provide a metal-jacketed inorganic mineral insulated cable.
Disclosure of Invention
The utility model provides a metal sheath inorganic mineral insulated cable, which aims to solve the problems of poor flame retardant effect, easy combustion and poor strength of a cable in the prior art.
The utility model provides a metal sheath inorganic mineral insulated cable which comprises a plurality of copper conductors, wherein the outer sides of the copper conductors are respectively wrapped with an insulating layer, the outer sides of the insulating layers are provided with a layer of mineral wrapping tape, flame-retardant filling is arranged between the mineral wrapping tape and the mineral insulating layers, and the outer sides of the mineral wrapping tape are wrapped with a layer of copper soft sheath.
In some embodiments, the copper conductors are four and circular in cross-section.
In some embodiments, the insulating layer is a mineral insulating layer.
In some embodiments, the flame retardant filler is fabricated from a flame retardant alkali free halogen free filler material.
In some embodiments, the copper soft jacket is a pricked copper soft jacket.
In some embodiments, the copper soft jacket has an average thickness of no less than 5mm.
In some embodiments, an inner sheath is further arranged between the mineral wrapping belt and the copper soft sheath.
In some embodiments, the inner jacket material is a halogen-free polyolefin.
The utility model has the beneficial effects that:
according to the cable disclosed by the utility model, the plurality of copper conductors are wrapped through the insulating layers, the insulating layers can enable the cable to have insulativity, the mineral wrapping tape is wrapped outside the insulating layers, the mineral wrapping tape can better protect the cable, the flame retardance of the cable can be improved through flame retardant filling between the insulating layers and the mineral wrapping tape, the integrity of the cable can be ensured, and the strength of the cable is improved. The copper soft sheath wrapped by the mineral substance outer layer has the advantages of high temperature resistance, difficult combustion, difficult generation of dense smoke and the like, and meanwhile, the copper soft sheath has higher wear resistance, and the phenomenon of breakage of the cable in the use process can be avoided.
Drawings
Fig. 1 is a schematic structural view of a metal-jacketed inorganic mineral insulated cable of the present utility model.
110, copper conductors in the drawing; 120. an insulating layer; 130. mineral wrapping tape; 140. flame-retardant filling; 150. a copper soft sheath; 160. an inner sheath.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," "axis," "circumferential," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, a metal-sheathed inorganic mineral insulated cable includes a plurality of copper conductors 110, wherein the plurality of copper conductors 110 are covered with insulating layers 120, a layer of mineral wrapping tape 130 is arranged on the outer side of each insulating layer 120, a flame-retardant filler 140 is arranged between each mineral wrapping tape 130 and each mineral insulating layer 120, and a layer of copper soft sheath 150 is covered on the outer side of each mineral wrapping tape 130.
Specifically, the copper conductors 110 are formed by twisting copper wires, the number of the copper conductors 110 is 4, the cross section is circular, the overall conductivity is good, and the strength is high. The outer walls of the four copper conductors 110 are all wrapped with the insulating layers 120, and the insulating layers 120 can enable the cable to have insulativity, so that accidents such as electric shock and the like when the cable is laid and used are avoided. The insulating layer 120 mainly adopts the mineral insulating layer 120, so that the insulating effect can be further improved, and the mineral has the advantages of strong protection capability, large current-carrying capacity, long service life, good corrosion resistance, light weight, environmental protection, safety and the like, so that the overall performance of the cable is obviously improved, the mineral wrapping belt 130 is arranged outside the insulating layer 120, and the flame retardant filling 140 is arranged between the mineral wrapping belt 130 and the insulating layer 120. The flame-retardant filling 140, the insulating layer 120 and the copper conductor 110 form a whole with a circular cross section, the outside is wrapped by the mineral substance around the wrapping belt 130, the flame retardance of the cable can be improved through the flame-retardant filling 140, the integrity of the cable can be ensured, and the strength of the cable is improved. The mineral wrapping tape 130 can well protect the copper conductors 110 in case of burning accidents of the cable, thereby gaining precious time for staff to extinguish fire and reducing property loss. The copper soft sheath 150 is further wrapped on the outer wall of the mineral wrapping belt 130, and the copper soft sheath 150 has the advantages of high temperature resistance, difficulty in burning, difficulty in producing dense smoke and the like, so that the copper soft sheath 150 can have a flame-retardant effect on the cable, and meanwhile, the copper soft sheath 150 has higher wear resistance, so that the outer wall of the cable can be protected from being worn, and the probability of cable faults is avoided. The copper soft sheath 150 also has better flexibility, which is beneficial to the convenience of the cable in laying. The copper conductor 110 is protected in multiple layers through the flame retardant filling 140, the insulating layer 120, the mineral wrapping belt 130 and the copper soft sheath 150, so that the abrasion probability of the cable is greatly reduced, the flame retardance of the cable is improved, and various performances of the cable are effectively improved.
In some embodiments of the present utility model, the flame retardant fill 140 is fabricated from a flame retardant alkali free halogen free fill material. Specifically, materials containing organic halides may degrade during processing to produce hydrogen halides, corrode equipment, be difficult to recycle, and may release carcinogens such as dioxins when the cable is burned. Therefore, the adoption of the fireproof alkali-free halogen-free filling material can increase the overall environmental protection of the cable.
In some embodiments of the present utility model, the copper soft sheath 150 is a copper soft sheath 150 with a prick pattern. The use of the corrugated copper flexible sheath 150 provides the cable with good mechanical properties, corrosion resistance, and good sealing and electrical conductivity.
In some embodiments of the utility model, the thickness of the copper soft sheath 150 is no less than 5mm on average. I.e., the thickness of the copper soft sheath 150 at the thinnest part thereof is not less than 5mm. The cable is ensured to have higher wear resistance, so that various safety accidents caused by the damage of the copper soft sheath 150 of the cable caused by the punctiform external force and the planar external force can be avoided.
In some embodiments of the present utility model, an inner sheath 160 is further disposed between the mineral wrapping band 130 and the copper soft sheath 150, and the material of the inner sheath 160 is halogen-free polyolefin, so as to further improve the performances of flame retardance, fire resistance and the like of the cable.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," "one particular embodiment," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The present utility model is not limited to the above preferred embodiments, and any person skilled in the art, within the scope of the present utility model, may apply to the present utility model, and equivalents and modifications thereof are intended to be included in the scope of the present utility model.

Claims (8)

1. The utility model provides a metal sheath inorganic mineral insulated cable, its characterized in that includes the copper conductor, the copper conductor is a plurality of, and the outside all wraps up there is the insulating layer, a plurality of the insulating layer outside is equipped with one deck mineral substance around the band, the mineral substance around the band with be equipped with fire-retardant packing between the insulating layer, the mineral substance is around the outside parcel of band has one deck copper soft sheath.
2. The metal-jacketed inorganic mineral insulated cable of claim 1, wherein the copper conductors are four and have a circular cross-section.
3. The metal-jacketed inorganic mineral insulated cable of claim 1, wherein the insulating layer is a mineral insulating layer.
4. The metal-jacketed inorganic mineral insulated cable of claim 1, wherein the flame retardant filler is fabricated from a flame retardant alkali free halogen free filler material.
5. The metal-jacketed inorganic mineral-insulated cable of claim 1, wherein the copper soft jacket is a pricked copper soft jacket.
6. The metal-jacketed inorganic mineral-insulated cable of claim 5, wherein the copper soft jacket has a thickness of not less than 5mm on average.
7. The metal-jacketed inorganic mineral-insulated cable of claim 1, wherein an inner jacket is further provided between the mineral-wrapping tape and the copper soft jacket.
8. The metal-jacketed inorganic mineral-insulated cable of claim 7, wherein the inner jacket material is a halogen-free polyolefin.
CN202321761561.4U 2023-07-06 2023-07-06 Metal sheath inorganic mineral insulated cable Active CN220155201U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321761561.4U CN220155201U (en) 2023-07-06 2023-07-06 Metal sheath inorganic mineral insulated cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321761561.4U CN220155201U (en) 2023-07-06 2023-07-06 Metal sheath inorganic mineral insulated cable

Publications (1)

Publication Number Publication Date
CN220155201U true CN220155201U (en) 2023-12-08

Family

ID=89012236

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321761561.4U Active CN220155201U (en) 2023-07-06 2023-07-06 Metal sheath inorganic mineral insulated cable

Country Status (1)

Country Link
CN (1) CN220155201U (en)

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