Anti-freezing electric wire
By combining a multi-layered structure and specific materials on the outside of the wire, the problem of wire breakage caused by ice and snow freezing is solved, achieving stable operation and safety under extreme cold conditions and extending the service life of the wire.
Patent Information
- Application Number
- CN202423177484.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-23
AI Technical Summary
During winter snowfall, the snow on the surface of power lines melts and freezes into ice, causing the power lines to be subjected to extremely high pressure, making them prone to breakage and affecting the stability and safety of power transmission.
An insulation layer is wrapped around the outside of the wire, followed by an elastic layer, a barrier layer, and a cold-resistant layer. A protective layer is applied to the outside. The barrier layer has arc-shaped grooves on both the inside and outside to reduce the contact area between layers. Specific materials are selected to improve cold resistance and heat insulation.
It improves the performance of wires in extreme cold conditions, prevents breakage, ensures safety and stability, enhances flexibility and durability, prevents snow and ice accumulation, maintains stable wire temperature, and extends service life.
Smart Images

Figure CN223692931U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric wire, concretely is a kind of anti-freezing electric wire. BACKGROUND
[0002] Electric wire refers to the wire that transmits electric energy. It is divided into bare wire, electromagnetic wire and insulated wire. Bare wire has no insulating layer, including copper, aluminum flat wire, overhead stranded wire and various profiles (such as profile wire, busbar, copper bar, aluminum bar, etc.). It is mainly used for outdoor overhead and indoor busbar and switch box. Electromagnetic wire is an insulated wire that generates a magnetic field after being energized or induces current in a magnetic field. It is mainly used for motor and transformer winding and other related electromagnetic equipment.
[0003] In order to ensure the safety of personnel, high-voltage electric wire is usually erected on high place by high tower to avoid people easily contacting high-voltage electric wire and causing electric shock danger, however, during winter snowfall period, electric wire surface often accumulates a large amount of snowflakes, part of snow will melt in daytime, but when temperature drops at night, these melted snow water will re-freeze into ice layer, causing electric wire to bear great additional pressure. This condition is easy to cause electric wire to break, seriously interfering with the normal delivery of electric power. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides an anti-freezing electric wire, which solves the problems raised in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: an anti-freezing electric wire, comprising an electric wire main body, an insulating layer is arranged on the outer side of the electric wire main body, an elastic layer is sleeved on the outer side of the insulating layer, a barrier layer is arranged on the outer side of the elastic layer, and a cold-resistant layer is sleeved on the outer side of the barrier layer.
[0006] A protective layer is arranged on the outer side of the cold-resistant layer.
[0007] Further, a plurality of arc-shaped grooves are formed on the inner and outer sides of the barrier layer to reduce the contact area between the barrier layer and the elastic layer and the cold-resistant layer.
[0008] Further, the insulating layer is made of PVC material.
[0009] Further, the elastic layer is made of polyethylene material.
[0010] Further, the barrier layer is made of polyurethane material, and the thickness of the barrier layer is twice that of the cold-resistant layer.
[0011] Further, the cold-resistant layer is made of silicone rubber material.
[0012] Further, the protective layer is ice and snow resistant paint, and the protective layer is applied on the outer side of the cold-resistant layer.
[0013] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:
[0014] 1. The anti-freezing wire, the introduction of the cold-resistant layer significantly improves the performance of the wire in low temperature environment, effectively prevents the wire from hardening, embrittlement or even breaking due to low temperature, ensures the normal operation and safety of the wire in extreme cold conditions, and the protective layer provides additional physical protection for the wire, prevents the accumulation of ice and snow on the wire, improves the anti-ice and snow capability of the wire, and the arc-shaped grooves on the inner and outer sides of the barrier layer reduce the direct contact area between the layers, which helps to reduce heat transfer, improve heat management efficiency and maintain the stability of the internal temperature of the wire.
[0015] 2. The anti-freezing wire, the insulation layer effectively isolates the current from the external environment, prevents electric shock or short circuit, and ensures the safety of the wire in use, the elastic layer increases the flexibility and stretch resistance of the wire, so that it can better adapt to various bending and stretching requirements during installation and use, and prolongs the service life of the wire. The barrier layer effectively blocks the invasion of harmful factors such as moisture, humidity and dust into the wire, protects the wire from corrosion and damage, and maintains the good conductivity and insulation performance of the wire. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 The utility model structural schematic diagram is provided for the present application.
[0017] Fig. 2 The barrier layer and the arc-shaped groove connection structure schematic diagram is provided for the utility model.
[0018] In the figure: 1, the wire main body; 2, insulation layer; 3, elastic layer; 4, barrier layer; 5, cold-resistant layer; 6, protective layer; 7, arc-shaped groove. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.
[0020] Please refer to Figs. 1-2 , a kind of anti-freezing wire in the embodiment of the present application is used to increase the anti-freezing effect of wire;
[0021] Specifically, it includes wire main body 1, insulation layer 2 is arranged on the outer side of wire main body 1, elastic layer 3 is sleeved on the outer side of insulation layer 2, barrier layer 4 is arranged on the outer side of elastic layer 3, and cold-resistant layer 5 is sleeved on the outer side of barrier layer 4;Protective layer 6 is arranged on the outer side of cold-resistant layer 5.
[0022] In actual settings, by wrapping the insulating layer 2 outside the wire body 1, the current is effectively isolated from the external environment, ensuring the safety of the wire in use, preventing safety accidents caused by electric leakage or short circuit, and the setting of the elastic layer 3 increases the flexibility and stretch resistance of the entire wire structure, making the wire better adapt to various bending and stretching needs during installation and use, while improving the durability and service life of the wire. The barrier layer 4 can effectively block the intrusion of external harmful factors such as moisture, humidity, dust, etc. into the wire, protecting the wire from corrosion and damage, and maintaining the good conductivity and insulation performance of the wire.
[0023] The introduction of the cold-resistant layer 5 significantly improves the performance of the wire in low-temperature environments, effectively preventing the wire from hardening, embrittlement, or even breaking due to low temperature, ensuring the normal operation and safety of the wire in extreme cold conditions. The outermost protective layer 6 provides additional physical protection for the wire, preventing the accumulation of ice and snow on the wire.
[0024] Further, the barrier layer 4 has a plurality of arc-shaped grooves 7 on both the inner and outer sides to reduce the contact area between the barrier layer 4 and the elastic layer 3 and the cold-resistant layer 5.
[0025] In actual settings, in cold environments, reducing the contact area between the elastic layer 3 and the cold-resistant layer 5 helps to reduce heat loss from the inside to the outside, maintaining the stability of the internal temperature of the wire, thereby improving the cold resistance and overall reliability of the wire. Similarly, in hot environments, it also helps to reduce the impact of external heat on the inside of the wire, maintaining the working temperature of the wire within a safe range.
[0026] In detail, the insulating layer 2 is made of PVC, the elastic layer 3 is made of polyethylene, the barrier layer 4 is made of polyurethane, and the thickness of the barrier layer 4 is twice that of the cold-resistant layer 5, and the cold-resistant layer 5 is made of silicone rubber.
[0027] In actual settings, this wire structure design carefully selects PVC as the material for the insulating layer 2, ensuring excellent electrical insulation performance and weather resistance while reducing costs; the elastic layer 3 made of polyethylene gives the wire good elasticity and wear resistance, enhancing its adaptability and protection ability during installation and use; the barrier layer 4 made of polyurethane and set to twice the thickness of the cold-resistant layer 5 not only provides excellent barrier performance, effectively reducing the transfer of internal and external temperatures, significantly enhancing the physical strength and durability of the wire, and reducing heat transfer by reducing the direct contact area between layers, improving heat management efficiency.
[0028] Finally, the cold-resistant layer 5 made of silicone rubber has excellent cold resistance and high-temperature resistance, as well as good electrical insulation, providing a solid guarantee for the stable operation and safety of the wire under extreme temperature conditions.
[0029] It should be noted that in order to prevent the accumulation of ice and snow on the outside of the wire, the protective layer 6 in the embodiment is an anti-icing and snow coating, and the protective layer 6 is applied on the outside of the cold-resistant layer 5.
[0030] In actual setting, the anti-icing and snow coating adopts anti-icing and snow coating ZS-611, which has the characteristics of ultra-low surface energy, ultra-low friction coefficient, extremely high stability and high permeability, etc., and can prevent ice and snow from adhering. At the same time, it has the composite functions of corrosion resistance, wear resistance, anti-aging, surface self-cleaning, etc.
[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An anti-freezing electric wire characterized by comprising: The utility model relates to an electric wire, which comprises an electric wire body (1), an insulating layer (2) is arranged on the outer side of the electric wire body (1), an elastic layer (3) is arranged on the outer side of the insulating layer (2), a barrier layer (4) is arranged on the outer side of the elastic layer (3), and a cold-resistant layer (5) is arranged on the outer side of the barrier layer (4). A protective layer (6) is arranged on the outer side of the cold-resistant layer (5).
2. An anti-freezing electric wire according to claim 1, wherein: The barrier layer (4) is provided with a plurality of arc-shaped grooves (7) on the inner and outer sides thereof, so as to reduce the contact area between the barrier layer (4) and the elastic layer (3) and the cold-resistant layer (5).
3. An anti-freeze electrical wire according to claim 1, wherein: The insulating layer (2) is made of PVC.
4. An anti-freeze electrical wire according to claim 1, wherein: The elastic layer (3) is made of polyethylene.
5. An anti-freeze electrical wire according to claim 1, wherein: The barrier layer (4) is made of polyurethane, and the thickness of the barrier layer (4) is twice that of the cold-resistant layer (5).
6. An anti-freeze electrical wire according to claim 1, wherein: The cold-resistant layer (5) is made of silicone rubber.
7. An anti-freeze electrical wire according to claim 1, wherein: The protective layer (6) is an anti-icing and anti-snowing coating, and is applied to the outer side of the cold-resistant layer (5).