A ceramic composite insulated fireproof cable

CN224708586UActive Publication Date: 2026-09-01XINJIANG EUPHRATICA CABLE MFG CO LTD
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Patent Information

Application Number
CN202521940253.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-10
Publication Date
2026-09-01
Estimated Expiration
2035-09-10

AI Technical Summary

Technical Problem

[0005]为了弥补以上不足,本实用新型提供了一种陶瓷化复合绝缘防火电缆,旨在改善现有技术中部分装置难以对电缆进行机械碰撞以及化学物质的防护的问题

Benefits of technology

[0012]1、本实用新型中,在电能通过导体传输的过程中,导体外部的聚酯带对导体形成包裹,随后电能传输过程中产生的热量及外界环境因素,会先接触到包裹在聚酯带外部的云母机构,云母机构中的金云母先发挥作用,接着金云母外部的合成云母与金云母共同作用,应对热量及防火相关需求,之后,云母机构外部的硅橡胶带保持自身状态,确保云母机构处于稳定的工作环境中,硅橡胶带外部的隔氧层持续阻断外界氧气进入电缆内部,维持电缆内部的无氧或低氧环境,从而保护内部结构不受外界的机械碰撞以及化学物质腐蚀影响。

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Abstract

This utility model relates to the field of cable technology and discloses a ceramicized composite insulated fireproof cable, comprising a conductor, a conductive mechanism fixedly connected to the outside of the conductor, a protective shell fixedly connected to the outside of the anti-friction mechanism, a polyester tape, a mica mechanism fixedly connected to the outside of the polyester tape, a silicone rubber tape fixedly connected to the outside of the mica mechanism, an oxygen barrier layer fixedly connected to the outside of the silicone rubber tape, and an outer sheath fixedly connected to the outside of the oxygen barrier layer. In this utility model, during the transmission of electrical energy through the conductor, the polyester tape wraps around the conductor, the synthetic mica and phlogopite on the outside of the mica absorb the generated heat, and the oxygen barrier layer blocks external oxygen, maintaining an oxygen-free environment for the cable, thereby protecting the internal structure from external mechanical impacts and chemical corrosion.
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Description

Technical Field

[0001] This utility model relates to the field of cable technology, and in particular to a ceramic composite insulated fireproof cable. Background Technology

[0002] Insulated cables are cables with an outer layer of insulating material that can isolate current and prevent leakage. They are widely used in power transmission and electrical equipment connection. Ceramicized insulated cables are a special type of insulated cable whose insulation layer uses ceramicized material and has conventional insulation performance under normal conditions.

[0003] Ceramicized composite insulated cables generally consist of a conductor and a polyester tape. The key components of a ceramicized composite insulated cable include the conductor and the polyester tape. The conductor is the conductive core of the cable, usually made of copper or aluminum, and its main function is to stably transmit electrical energy, ensuring that the current flows efficiently and with low loss within the cable. The polyester tape is a polymer film wrapped around the outside of the conductor. It serves both as insulation to prevent current leakage and avoid the risk of electric shock or short circuits, and as a buffer against external impacts to protect the conductor. Furthermore, in high-temperature environments, it can help form a ceramicized protective layer, further improving the cable's fire resistance and ensuring safe use in special scenarios.

[0004] In the existing technology, some ceramic composite insulated cable devices usually provide less protection against conductor heat generation and external factors, making the cables susceptible to damage from external mechanical impacts and chemical corrosion. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a ceramic composite insulated fireproof cable, which aims to improve the problem that some existing devices are unable to protect cables from mechanical impacts and chemical substances.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a ceramicized composite insulated fireproof cable, comprising a conductor, a conductive mechanism fixedly connected to the outside of the conductor, an anti-friction mechanism fixedly connected to the outside of the conductive mechanism, a protective shell fixedly connected to the outside of the anti-friction mechanism, the conductive mechanism comprising a polyester tape, the inside of the polyester tape fixedly connected to the outside of the conductor, a mica mechanism fixedly connected to the outside of the polyester tape, a silicone rubber tape fixedly connected to the outside of the mica mechanism, an oxygen barrier layer fixedly connected to the outside of the silicone rubber tape, and an outer sheath fixedly connected to the outside of the oxygen barrier layer;

[0007] As a further description of the above technical solution: the anti-friction mechanism includes a spiral steel ring, which is internally and fixedly connected to the outside of the outer protective layer, and cross steel wires are fixedly connected to the outside of the outer protective layer;

[0008] As a further description of the above technical solution: the mica structure includes phlogopite, the interior of which is fixedly connected to the exterior of the plurality of polyester strips, and the exterior of which is fixedly connected to synthetic mica.

[0009] As a further description of the above technical solution: the spiral steel ring is externally fixedly connected to the inside of the protective shell, and the cross steel wire is externally fixedly connected to the protective shell;

[0010] As a further description of the above technical solution: the inside of the spiral steel ring is fixedly connected to the outside of the outer protective layer, and the inside of the cross steel wire is fixedly connected to the outside of the outer protective layer.

[0011] This utility model has the following beneficial effects:

[0012] 1. In this utility model, during the transmission of electrical energy through the conductor, the polyester tape outside the conductor wraps around the conductor. Subsequently, the heat generated during the transmission of electrical energy and external environmental factors will first come into contact with the mica structure wrapped around the polyester tape. The phlogopite in the mica structure plays its role first. Then, the synthetic mica outside the phlogopite works together with the phlogopite to meet the heat and fire protection requirements. Afterward, the silicone rubber tape outside the mica structure maintains its own state to ensure that the mica structure is in a stable working environment. The oxygen barrier layer outside the silicone rubber tape continuously blocks external oxygen from entering the cable, maintaining an oxygen-free or low-oxygen environment inside the cable, thereby protecting the internal structure from external mechanical impacts and chemical corrosion.

[0013] 2. In this utility model, during the overall operation of the cable, the spiral steel ring and the cross steel wire on the outside of the outer sheath together maintain the structural shape of the cable, preventing the cable from deforming due to external tension or impact. At the same time, the protective shell outside the spiral steel ring and the cross steel wire isolates the entire internal structure of the cable from the external environment, ensuring that each internal structure can complete its own work in a stable environment, and ensuring continuous and stable transmission of electrical energy. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of a ceramic composite insulated fireproof cable proposed in this utility model;

[0015] Figure 2 This is a schematic diagram of the synthetic mica structure of a ceramicized composite insulated fireproof cable proposed in this utility model;

[0016] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0018] Legend:

[0019] 1. Conductor; 2. Conducting mechanism; 21. Polyester tape; 22. Mica mechanism; 221. Phlogopite; 222. Synthetic mica; 23. Silicone rubber tape; 24. Oxygen barrier layer; 25. Outer protective layer; 3. Anti-friction mechanism; 31. Spiral steel ring; 32. Crossed steel wire; 4. Protective shell. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Reference Figures 1 to 3This utility model provides an embodiment of a ceramic composite insulated fireproof cable, comprising a conductor 1, which mainly provides the core path for the cable to transmit electrical energy and is the carrier of current flow. A conduction mechanism 2 is fixedly connected to the outside of the conductor 1, mainly wrapping around the conductor 1 to provide insulation, fire protection, and other protections, ensuring stable electrical energy conduction. An anti-friction mechanism 3 is fixedly connected to the outside of the conduction mechanism 2, mainly positioned between the conduction mechanism 2 and a protective shell 4 to reduce frictional damage between them. A protective shell 4 is fixedly connected to the outside of the anti-friction mechanism 3, mainly covering the anti-friction mechanism 3 to provide external protection for the internal structures of the cable and resist external environmental influences. The conduction mechanism 2 includes a polyester tape 21, which is mainly fixedly connected to the outside of the conductor 1, providing initial wrapping and insulation. The inside of the polyester tape 21 is fixedly connected to the outside of the conductor 1. A mica mechanism 22 is fixedly connected to the outside of the polyester tape 21, mainly fixedly connected to the outside of the polyester tape 21 to enhance the cable's fire resistance and durability. For high-temperature performance, the mica mechanism 22 includes phlogopite 221, which is mainly fixedly connected to the outside of multiple polyester tapes 21. Utilizing its own properties, it enhances the cable's fire resistance and insulation. The phlogopite 221 is internally fixedly connected to the outside of the multiple polyester tapes 21. Synthetic mica 222 is fixedly connected externally to the phlogopite 221, working in conjunction with it to further strengthen the cable's fire resistance and high-temperature resistance. A silicone rubber tape 23 is also fixedly connected externally to the mica mechanism 22. The tape 23 is mainly fixedly connected to the outside of the mica mechanism 22 to provide protection for the mica mechanism 22, while enhancing the sealing and flexibility of the cable. An oxygen barrier layer 24 is fixedly connected to the outside of the silicone rubber tape 23. The oxygen barrier layer 24 is mainly fixedly connected to the outside of the silicone rubber tape 23 to prevent oxygen from entering the inside of the cable, delay the combustion process, and improve fire resistance. An outer sheath layer 25 is fixedly connected to the outside of the oxygen barrier layer 24. The outer sheath layer 25 is mainly fixedly connected to the outside of the oxygen barrier layer 24 to provide protection for the oxygen barrier layer 24 and its internal structure, resisting external mechanical damage and chemical corrosion.

[0022] Reference Figure 1 , Figure 3 and Figure 4The anti-friction mechanism 3 includes a spiral steel ring 31, which is mainly fixedly connected to the outside of the outer sheath 25 and the inside of the protective shell 4 to enhance the structural strength and tensile strength of the cable. The spiral steel ring 31 is fixedly connected to the outside of the outer sheath 25. Crossed steel wires 32 are fixedly connected to the outside of the outer sheath 25. The crossed steel wires 32 are mainly fixedly connected to the outside of the outer sheath 25 and the inside of the protective shell 4. Together with the spiral steel ring 31, they further enhance the cable's impact resistance and abrasion resistance. The outside of the spiral steel ring 31 is fixedly connected to the inside of the protective shell 4, and the outside of the crossed steel wires 32 is fixedly connected to the protective shell 4. The inside of the spiral steel ring 31 is fixedly connected to the outside of the outer sheath 25, and the inside of the crossed steel wires 32 is fixedly connected to the outside of the outer sheath 25.

[0023] Working Principle: When the ceramic composite insulated fireproof cable is in operation, electrical energy first enters conductor 1, which then transmits the energy outwards. During this transmission, the polyester tape 21 wraps around conductor 1, preventing direct contact between conductor 1 and external structures. Subsequently, the heat generated during energy transmission and external environmental factors first come into contact with the mica structure 22 wrapped around the polyester tape 21. The phlogopite 221 within the mica structure 22 takes effect first, followed by the synthetic mica 222 outside the phlogopite 221, which works in conjunction with the phlogopite 221 to address heat and fire-resistant requirements. Afterwards, the silicone rubber tape 23 outside the mica structure 22 maintains its own state, ensuring a stable working environment. The oxygen barrier layer 24 outside the silicone rubber tape 23 continuously blocks external oxygen from entering the cable, maintaining an oxygen-free or low-oxygen environment inside the cable. The outer sheath 25 outside the oxygen barrier layer 24 resists potential mechanical impacts and chemical substances, protecting the internal structure from damage.

[0024] During the overall operation of the cable, the spiral steel ring 31 and the cross steel wire 32 outside the outer sheath 25 together maintain the structural shape of the cable and prevent the cable from deforming due to external tension or impact. At the same time, the protective shell 4 outside the spiral steel ring 31 and the cross steel wire 32 isolates the entire internal structure of the cable from the external environment, ensuring that each internal structure can complete its own work in a stable environment and ensuring continuous and stable power transmission.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A ceramicized composite insulated fireproof cable, comprising a conductor (1), characterized in that: The conductor (1) is fixedly connected to a conductive mechanism (2), the conductive mechanism (2) is fixedly connected to an anti-friction mechanism (3), and the anti-friction mechanism (3) is fixedly connected to a protective shell (4). The conductive mechanism (2) includes a polyester tape (21), the inside of which is fixedly connected to the outside of the conductor (1), a mica mechanism (22) is fixedly connected to the outside of the polyester tape (21), a silicone rubber tape (23) is fixedly connected to the outside of the mica mechanism (22), an oxygen barrier layer (24) is fixedly connected to the outside of the silicone rubber tape (23), and an outer protective layer (25) is fixedly connected to the outside of the oxygen barrier layer (24).

2. The ceramicized composite insulated fireproof cable according to claim 1, characterized in that: The anti-friction mechanism (3) includes a spiral steel ring (31), which is fixedly connected to the outside of the outer protective layer (25), and cross steel wires (32) are fixedly connected to the outside of the outer protective layer (25).

3. The ceramicized composite insulated fireproof cable according to claim 1, characterized in that: The mica structure (22) includes phlogopite (221), the interior of which is fixedly connected to the exterior of a plurality of polyester strips (21), and the exterior of which is fixedly connected to synthetic mica (222).

4. The ceramicized composite insulated fireproof cable according to claim 2, characterized in that: The spiral steel ring (31) is fixedly connected to the outside of the protective shell (4), and the cross steel wire (32) is fixedly connected to the outside of the protective shell (4).

5. A ceramicized composite insulated fireproof cable according to claim 2, characterized in that: The spiral steel ring (31) is internally fixedly connected to the outside of the outer protective layer (25), and the cross steel wire (32) is internally fixedly connected to the outside of the outer protective layer (25).