Self-ice-melting cable

Abstract

The utility model discloses a self-ice-melting cable, and particularly relates to the technical field of cables, the self-ice-melting cable comprises a power transmission cable and an ice-melting cable fixed at the top of the power transmission cable, and a plurality of ice-melting heating wires which extend from two sides of the bottom end of the ice-melting cable and are wound outside the power transmission cable are distributed at equal intervals; the power transmission cable comprises an outer sheath, a flame-retardant layer, a braid layer and an inner sheath which are sequentially arranged from outside to inside, a plurality of inner wires which are uniformly arranged are arranged in the inner sheath, gaps between the inner wires and the inner sheath are filled with a filling layer, and an arc-shaped heating sheet is embedded in the top of the filling layer. According to the utility model, the whole power transmission cable does not need to be heated in all directions, so that the energy consumption in the ice melting process is greatly reduced, the processing cost and the ice melting cost of the product are reduced, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically, to a self-melting ice cable. Background Art

[0002] With the development of social economy, the demand for national power, communication and other lines is increasing, and the utilization rate of cables is getting higher and higher. In the cold winter, cables in many areas will freeze, causing damage to the cables. When the ice exceeds the cable's bearing capacity, serious accidents such as line breakage will occur. Therefore, winter cable deicing is essential and very important. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a self-melting ice cable, comprising a power transmission cable and an ice-melting cable fixed on the top of the power transmission cable, and ice-melting heating wires extending from both sides of the bottom end of the ice-melting cable and wound around the outside of the power transmission cable, and the number of ice-melting heating wires is set to be several and equidistantly distributed;

[0004] The transmission cable comprises an outer sheath, a flame retardant layer, a braided layer and an inner sheath from outside to inside, a plurality of evenly arranged inner conductors are arranged inside the inner sheath, a filling layer is filled in the gap between the inner conductors and the inner sheath, and an arc-shaped heating sheet is embedded on the top of the filling layer.

[0005] In a preferred embodiment, a first positive conductor and a first negative conductor are respectively attached to the bottom of the heating sheet, the first positive conductor and the first negative conductor are embedded in the filling layer, and the heating sheet is located below the ice-melting cable.

[0006] In a preferred embodiment, the ice-melting cable includes an arc-shaped outer rubber sleeve, a flame-retardant filler, a second positive conductor and a second negative conductor embedded in the flame-retardant filler, which are arranged in sequence from the outside to the inside.

[0007] In a preferred embodiment, a downwardly extending connecting film is connected to each of the two sides of the bottom end of the outer rubber sleeve, the connecting film is integrated with the outer rubber sleeve, a notch is opened at the top of the outer sleeve, two connecting films are respectively connected to the two sides of the notch at the top of the outer sleeve, the interior of the outer rubber sleeve, the two connecting films and the interior of the notch at the top of the outer sleeve are connected, and flame retardant filler is filled in the interior of the outer rubber sleeve, the two connecting films and the notch at the top of the outer sleeve.

[0008] In a preferred embodiment, the second positive electrode conductor and the second negative electrode conductor are located on the inner side of the outer rubber sleeve.

[0009] In a preferred embodiment, wire loops are sleeved on the outside of the second positive conductor and the second negative conductor, and the two wire loops are connected to wires extending downward in the flame retardant filler, and the bottom ends of the two wires are connected to the ice-melting heating wire.

[0010] Technical effects and advantages of the utility model:

[0011] The utility model adopts ice-melting heating wires which are equidistantly distributed and wound in sequence to cut the ice layer into sections, then heats and melts the top of the ice layer to loosen the ice layer, and utilizes the cooperation of gravity and residual heat of ice melting to complete the shedding of the ice layer. There is no need to heat the entire power transmission cable in all directions, which greatly reduces the energy consumption in the ice melting process, reduces the processing cost and ice melting cost of the product, and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Explanation of the reference numerals: 1 power transmission cable, 2 ice-melting cable, 3 ice-melting heating wire, 4 outer sheath, 5 flame-retardant layer, 6 braided layer, 7 inner sheath, 8 inner conductor, 9 filling layer, 10 heating plate, 11 first positive conductor, 12 first negative conductor, 13 outer rubber sleeve, 14 flame-retardant filler, 15 second positive conductor, 16 second negative conductor, 17 connecting rubber, 18 notch, 19 wire loop, 20 conductor. DETAILED DESCRIPTION

[0014] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0015] like Figure 1 A self-melting ice cable shown includes a power transmission cable 1 and an ice-melting cable 2 fixed on the top of the power transmission cable 1, and ice-melting heating wires 3 are extended from both sides of the bottom end of the ice-melting cable 2 and are wound around the outside of the power transmission cable 1, and the number of ice-melting heating wires 3 is set to be several and equidistantly distributed;

[0016] The transmission cable 1 includes an outer sheath 4, a flame retardant layer 5, a braided layer 6 and an inner sheath 7 from the outside to the inside. A plurality of evenly arranged inner conductors 208 are arranged inside the inner sheath 7. A filling layer 9 is filled in the gap between the inner conductors 208 and the inner sheath 7. An arc-shaped heating plate 10 is embedded on the top of the filling layer 9.

[0017] Furthermore, the ice-melting heating wire 3 is embedded in the surface of the outer wall of the outer sheath 4 and is flush with the outer wall of the outer sheath 4, so as to avoid scratches and damages to the ice-melting heating wire 3 during transportation and installation of the cable.

[0018] Furthermore, during the installation of the cable, the ice-melting cable 2 is placed on top and the power transmission cable 1 is placed at the bottom. After the cable surface is frozen, the ice-melting heating wire 3 can be used to heat the surface of the power transmission cable 1. Since the ice-melting heating wires 3 are equidistantly distributed, the ice layer wrapped around the outside of the power transmission cable 1 can be divided into several cylindrical sections. At the same time, the heating sheet 10 on the top of the filling layer 9 inside the power transmission cable 1 generates heat to heat up and melt the tops of the several sections of the ice layer. After the top of the cylindrical ice layer melts, the melted water and the ice layer's own gravity, combined with the residual heat in the ice-melting process, are used to make the ice layer fall off from the bottom of the power transmission cable 1.

[0019] The ice layer is cut into sections by using equidistantly distributed and wound ice-melting heating wires 3, and then the top of the ice layer is heated and melted to loosen the ice layer. The ice layer is removed by using gravity and residual heat from the ice melting. There is no need to heat the entire transmission cable 1 in all directions, which greatly reduces the energy consumption during the ice melting process, reduces the processing cost and ice melting cost of the product, and improves practicality.

[0020] A first positive conductor 11 and a first negative conductor 12 are respectively attached to the bottom of the heating sheet 10 . The first positive conductor 11 and the first negative conductor 12 are embedded in the filling layer 9 . The heating sheet 10 is located below the ice-melting cable 2 .

[0021] The first positive conductor 11 and the first negative conductor 12 are connected to heating plates respectively. During the power-on process, the heating plate 10 is heated by short circuit to heat the top area of ​​the power transmission cable 1 .

[0022] The ice-melting cable 2 includes an arc-shaped outer rubber sleeve 13 , a flame-retardant filler 14 , a second positive conductor 15 and a second negative conductor 16 which are sequentially arranged from the outside to the inside.

[0023] A downwardly extending connecting film 17 is connected to both sides of the bottom end of the outer rubber sleeve 13, and the connecting film 17 is integrated with the outer rubber sleeve 13. A notch 18 is opened at the top of the outer sheath 4, and the two connecting films 17 are respectively connected to both sides of the notch 18 at the top of the outer sheath 4. The interior of the outer rubber sleeve 13, between the two connecting films 17 and the interior of the notch 18 at the top of the outer sheath 4 are connected, and the flame retardant filler 14 is filled in the interior of the outer rubber sleeve 13, between the two connecting films 17 and the notch 18 at the top of the outer sheath 4.

[0024] The ice-melting cable 2 is located at the top of the transmission cable 1, and is connected and fixed to the outer sheath 4 of the transmission cable 1 by a connecting film 17 to form a whole. The ice-melting cable 2 is partially located at the top of the transmission cable 1. During operation, the temperature generated by the inner conductor of the ice-melting cable 2 can also assist in melting the ice layer on the top of the transmission cable 1, thereby accelerating the melting rate of the ice layer on the top of the transmission cable 1.

[0025] The second positive electrode conductor 15 and the second negative electrode conductor 16 are located inside the outer rubber sleeve 13 .

[0026] A wire ring 19 is sleeved on the outside of the second positive conductor 15 and the second negative conductor 16 , and the two wire rings 19 are connected to wires 20 extending downward in the flame retardant filler 14 , and the bottom ends of the two wires 20 are connected to the ice-melting heating wire 3 .

[0027] The second positive conductor 15 and the second negative conductor 16 are connected to the wire loop 19, which is connected to the ice-melting heating wire 3 wrapped on the outer sheath 4 through the wire 20. The ice-melting heating wire 3 is energized to generate heat, and the ice layer wrapped on the outside of the transmission cable 1 is cut into cylindrical segments. The heating plate 10 and the ice-melting cable are combined to heat and melt the top of the cylindrical cable, and the residual heat from the heating and the gravity of the ice layer are used to loosen the ice layer and fall off the transmission cable 1.

[0028] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A self-melting ice cable, characterized in that: It includes a power transmission cable and an ice-melting cable fixed on the top of the power transmission cable, and ice-melting heating wires are extended from both sides of the bottom of the ice-melting cable and are wound around the outside of the power transmission cable. The number of ice-melting heating wires is set to be several and is evenly distributed; The transmission cable comprises an outer sheath, a flame retardant layer, a braided layer and an inner sheath from outside to inside, a plurality of evenly arranged inner conductors are arranged inside the inner sheath, a filling layer is filled in the gap between the inner conductors and the inner sheath, and an arc-shaped heating sheet is embedded on the top of the filling layer.

2. The self-melting ice cable according to claim 1, characterized in that: A first positive conductor and a first negative conductor are respectively attached to the bottom of the heating sheet, the first positive conductor and the first negative conductor are embedded in the filling layer, and the heating sheet is located below the ice-melting cable.

3. The self-melting ice cable according to claim 1, characterized in that: The ice-melting cable comprises an arc-shaped outer rubber sleeve, a flame-retardant filler, a second positive conductor and a second negative conductor which are sequentially arranged from the outside to the inside.

4. The self-melting ice cable according to claim 3, characterized in that: A connecting film extending downward is connected to both sides of the bottom end of the outer rubber sleeve, and the connecting film is integrated with the outer rubber sleeve. A notch is opened at the top of the outer sleeve, and the two connecting films are respectively connected to the two sides of the notch at the top of the outer sleeve. The inside of the outer rubber sleeve, the two connecting films and the inside of the notch at the top of the outer sleeve are connected, and flame retardant filler is filled in the inside of the outer rubber sleeve, the two connecting films and the notch at the top of the outer sleeve.

5. The self-melting ice cable according to claim 3, characterized in that: The second positive electrode conductor and the second negative electrode conductor are located on the inner side of the outer rubber sleeve.

6. The self-melting ice cable according to claim 3, characterized in that: Wire rings are sleeved on the outside of the second positive conductor and the second negative conductor, and the two wire rings are connected to wires extending downward in the flame retardant filler, and the bottom ends of the two wires are connected to the ice-melting heating wire.

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