High strength aerial cable

Abstract

The utility model relates to cable technical field discloses a kind of high-strength overhead cable, including protective layer, the inner wall of protective layer is fixedly connected with reinforcing layer, the inner wall of reinforcing layer is fixedly connected with filling layer, the inner wall of filling layer is fixedly connected with shielding layer, the surface of shielding layer is provided with fireproof assembly, the inner wall of shielding layer is fixedly connected with insulating layer, the inner wall of insulating layer is fixedly connected with conductor.The fireproof assembly includes protective sleeve, the inner wall of protective sleeve is fixedly connected with isolation frame.The utility model is by using in cable interior setting fireproof assembly and in the design of fire, interior's expanded graphite extrusion protective sleeve to make potassium chlorate powder and sulfur powder mix and carry out reaction to fire point to extinguish, realize when cable fire can automatically control the purpose of fire, prevent fire spread to other areas and cause greater economic loss, to further improve the practicality of cable.

Description

Technical Field

[0001] This utility model relates to the field of cable technology, and in particular to a high-strength overhead cable. Background Technology

[0002] High-strength overhead cables are power transmission cables specifically designed to withstand heavy mechanical loads and harsh environmental conditions. They are typically composed of multiple layers of materials, featuring high-strength conductive cores and durable insulation layers to ensure stable current transmission and long-term use under demanding conditions. Compared to traditional cables, high-strength overhead cables possess greater tensile strength, wind pressure resistance, and resistance to ice and snow loads, making them particularly suitable for applications such as high-altitude installations and long-distance power transmission.

[0003] However, when using high-strength overhead cables, sometimes the internal heat of the cable may accumulate due to factors such as weather, causing a fire that can damage other power facilities and result in property loss, thus affecting the normal power supply afterwards. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a high-strength overhead cable.

[0005] This utility model is achieved by the following technical solution: a high-strength overhead cable, including a protective layer, an reinforcing layer fixedly connected to the inner wall of the protective layer, a filling layer fixedly connected to the inner wall of the reinforcing layer, a shielding layer fixedly connected to the inner wall of the filling layer, a fireproof component provided on the surface of the shielding layer, an insulating layer fixedly connected to the inner wall of the shielding layer, and a conductor fixedly connected to the inner wall of the insulating layer.

[0006] The fireproof component includes a protective sleeve, an isolation frame fixedly connected to the inner wall of the protective sleeve, a first compartment formed by the isolation frame, a second compartment formed by the isolation frame, a contact frame fixedly connected to the inner wall of the protective sleeve, and a third compartment formed by the contact frame on the inner surface of the protective sleeve.

[0007] The above technical solution utilizes fire-resistant components installed inside the cable. When a fire occurs, the expanded graphite inside the cable compresses the protective sleeve to mix and react potassium chlorate powder with sulfur powder to extinguish the fire. This design achieves the goal of automatically controlling the fire when the cable catches fire, preventing the fire from spreading to other areas and causing greater economic losses, thereby further improving the practicality of the cable.

[0008] As a further improvement to the above solution, the two sides of the protective sleeve are in contact with the surface of the filling layer.

[0009] The above technical solution provides a limit to the position of the protective sleeve, making the subsequent use of the cable more stable.

[0010] As a further improvement to the above solution, the inner wall of the contact frame is fixedly connected to the surface of the shielding layer.

[0011] As a further improvement to the above scheme, the interior of the first compartment is filled with sulfur powder, and the interior of the second compartment is filled with potassium chlorate powder.

[0012] By using the above technical solution, the design of separating the two using the first compartment and the second compartment achieves the purpose of preventing them from contacting and reacting when idle, making the use of the cable more stable.

[0013] As a further improvement to the above solution, the surface of the protective sleeve is fixedly connected to the inner wall of the reinforcing layer.

[0014] As a further improvement to the above scheme, the interior of the third compartment is filled with expanded graphite.

[0015] By utilizing the aforementioned technical solution, the property of expanded graphite to expand dramatically when heated is utilized to provide the necessary conditions for mixing potassium chlorate powder and sulfur powder in the subsequent breakage protective sleeve, enabling the cable to automatically extinguish fires and further improving the overall practicality of the cable.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This invention incorporates a fire-resistant component. Specifically, when a cable catches fire due to heat accumulation, the flame, upon contact with the protective sleeve, heats the outer shell of the sleeve and the expanded graphite inside the third compartment. This causes the expanded graphite to expand violently, breaking through the barrier between the first and second compartments. This allows the potassium chlorate and sulfur powders inside these compartments to mix. The flame then heats the mixture, causing a violent reaction that generates a large amount of gas, reducing the oxygen supply to the fire site and rapidly extinguishing the fire. This prevents the fire from spreading to other areas. By incorporating a fire-resistant component inside the cable, and utilizing the expanded graphite inside to compress the protective sleeve during a fire, causing the potassium chlorate and sulfur powders to mix and react, the design extinguishes the fire at the ignition point. This achieves automatic fire control when a cable catches fire, preventing the fire from spreading to other areas and causing greater economic losses, thus further enhancing the practicality of the cable.

[0018] This invention transmits current through a conductor, while an insulating layer on the conductor surface provides isolation to prevent short circuits between conductors. The filler layer and reinforcing layer further strengthen the overall structure of the device, increasing the overall strength of the cable. The shielding layer provides isolation for the overall operation of the cable to prevent interference from other electrical signals. At the same time, the outermost protective layer protects the entire cable from damage caused by external forces. The design, which uses the combination of reinforcing and filler layers to further enhance the overall strength of the cable, achieves the goal of making the cable more stable during subsequent use and making its use more convenient. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall cross-sectional structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the fireproof component structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the internal structure of the fireproof component of this utility model.

[0024] Explanation of key symbols:

[0025] 1. Protective layer; 2. Reinforcing layer; 3. Filling layer; 4. Shielding layer; 5. Fireproof component; 501. Protective sleeve; 502. Isolation frame; 503. First compartment; 504. Second compartment; 505. Contact frame; 506. Third compartment; 6. Insulation layer; 7. Conductor. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. Example

[0027] Please combine Figure 1-5 A high-strength overhead cable according to this embodiment includes a protective layer 1, an reinforcing layer 2 fixedly connected to the inner wall of the protective layer 1, a filling layer 3 fixedly connected to the inner wall of the reinforcing layer 2, a shielding layer 4 fixedly connected to the inner wall of the filling layer 3, a fireproof component 5 provided on the surface of the shielding layer 4, an insulating layer 6 fixedly connected to the inner wall of the shielding layer 4, and a conductor 7 fixedly connected to the inner wall of the insulating layer 6.

[0028] The fireproof component 5 includes a protective sleeve 501. An isolation frame 502 is fixedly connected to the inner wall of the protective sleeve 501. The inner wall of the protective sleeve 501 is divided by the isolation frame 502 to form a first compartment 503 and a second compartment 504. A contact frame 505 is fixedly connected to the inner wall of the protective sleeve 501. The inner surface of the protective sleeve 501 is divided by the contact frame 505 to form a third compartment 506. By installing the fireproof component 5 inside the cable, and when a fire occurs, the expanded graphite inside the protective sleeve 501 squeezes the potassium chlorate powder and sulfur powder to mix and react, thereby extinguishing the fire at the ignition point. This design achieves the purpose of automatically controlling the fire when the cable catches fire, preventing the fire from spreading to other areas and causing greater economic losses, thus further improving the practicality of the cable.

[0029] The two sides of the protective sleeve 501 are in contact with the surface of the filling layer 3.

[0030] The inner wall of the contact frame 505 is fixedly connected to the surface of the shielding layer 4.

[0031] The interior of the first compartment 503 is filled with sulfur powder.

[0032] The interior of the second compartment 504 is filled with potassium chlorate powder. The design of using the first compartment 503 and the second compartment 504 to separate the sulfur powder and potassium chlorate powder achieves the purpose of preventing them from reacting when idle, making the subsequent use of the cable more stable.

[0033] The surface of the protective sleeve 501 is fixedly connected to the inner wall of the reinforcing layer 2.

[0034] The interior of the third compartment 506 is filled with expanded graphite. The property of expanded graphite to expand violently when heated provides the necessary conditions for mixing potassium chlorate powder and sulfur powder in the subsequent breakage protection sleeve 501, so that the subsequent cable can be automatically extinguished when it catches fire, thereby further improving the overall practicality of the cable.

[0035] The implementation principle of a high-strength overhead cable in this embodiment is as follows: When using this cable, current is transmitted through conductor 7, and the insulation layer 6 on the surface of conductor 7 provides isolation to prevent short circuits between conductors 7. The filling layer 3 and the reinforcing layer 2 further strengthen the overall structure of the device, increasing the overall strength of the cable. The shielding layer 4 provides isolation for the overall operation of the cable to prevent it from being affected by other electrical signals. At the same time, the outermost protective layer 1 provides protection for the entire cable to prevent external forces from damaging the interior. When the cable catches fire due to heat accumulation, the flame heats the outer shell of the protective sleeve 501 and the expanded graphite inside the third compartment 506 after contacting the protective sleeve 501, thereby affecting the expanded graphite to expand violently, thus breaking the first The isolation between compartment 503 and the second compartment 504 allows the potassium chlorate powder and sulfur powder inside to mix. This mixture is then heated by a flame, causing a violent reaction that generates a large amount of gas, reducing the oxygen supply to the ignition point and thus quickly extinguishing the fire to prevent it from spreading to other areas. The design incorporates a fireproof component 5 inside the cable, and an expanding graphite extrusion protective sleeve 501 inside the cable to mix and react the potassium chlorate powder and sulfur powder to extinguish the fire. This achieves automatic fire control when the cable catches fire, preventing the fire from spreading to other areas and causing greater economic losses, thereby further improving the cable's practicality.

[0036] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A high-strength overhead cable, characterized in that, The protective layer (1) is fixedly connected to the inner wall of the protective layer (1), the inner wall of the reinforcing layer (2) is fixedly connected to the inner wall of the reinforcing layer (2), the inner wall of the filling layer (3) is fixedly connected to the inner wall of the filling layer (3), the shielding layer (4) is fixedly connected to the inner wall of the shielding layer (4), the surface of the shielding layer (4) is provided with a fireproof component (5), the inner wall of the shielding layer (4) is fixedly connected to an insulating layer (6), and the inner wall of the insulating layer (6) is fixedly connected to a conductor (7). The fireproof component (5) includes a protective sleeve (501), an isolation frame (502) is fixedly connected to the inner wall of the protective sleeve (501), the inner wall of the protective sleeve (501) is separated by the isolation frame (502) to form a first compartment (503), the inner wall of the protective sleeve (501) is separated by the isolation frame (502) to form a second compartment (504), the inner wall of the protective sleeve (501) is fixedly connected to a contact frame (505), and the inner surface of the protective sleeve (501) is separated by the contact frame (505) to form a third compartment (506).

2. The high-strength overhead cable as described in claim 1, characterized in that: The protective sleeve (501) is in contact with the surface of the filling layer (3) on both sides.

3. A high-strength overhead cable as described in claim 2, characterized in that: The inner wall of the contact frame (505) is fixedly connected to the surface of the shielding layer (4).

4. A high-strength overhead cable as described in claim 3, characterized in that: The interior of the first compartment (503) is filled with sulfur powder.

5. A high-strength overhead cable as described in claim 4, characterized in that: The interior of the second compartment (504) is filled with potassium chlorate powder.

6. A high-strength overhead cable as described in claim 5, characterized in that: The surface of the protective sleeve (501) is fixedly connected to the inner wall of the reinforcing layer (2).

7. A high-strength overhead cable as described in claim 6, characterized in that: The interior of the third compartment (506) is filled with expanded graphite.

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