CN222263057U - A snow melting heating cable for photovoltaic panels - Google Patents

Abstract

The utility model discloses a snow-melting heating cable for photovoltaic panels, which relates to the technical field of heating cables, including a conductor layer, a heating wire and a protective outer layer, wherein the conductor layer, the heating wire and the protective outer layer are arranged in sequence from the inside to the outside, and the conductor layer is provided with two groups, and the two groups of conductor layers are symmetrically arranged, and the heating wire is arranged as a spiral structure. The utility model arranges a conductor layer, and the outer side of the conductor layer is provided with a heating wire, and the heating wire is arranged as a spiral structure, and the cross-section of the heating wire is arranged in an "∞" shape. When the cable is laid on the back of the photovoltaic panel, it can be fully fitted with the back of the photovoltaic panel to ensure that the heat generated by the heating wire can be fully utilized. At the same time, thermal conductive silicone sheets are also arranged on both sides of the heating wire to further enhance the heat exchange between the heating wire and the photovoltaic panel, thereby achieving the effect of enhancing the snow melting effect of the cable.

Description

Snow melting heating cable for photovoltaic panel

Technical Field

The utility model relates to the technical field of heating cables, in particular to a snow melting heating cable for a photovoltaic panel.

Background

The heating cable is mainly an electric wire and cable for life heating, plant cultivation, pipeline heat preservation and the like, the heating cable adopts a single or a plurality of alloy heating wires as a heating source, high purity, high temperature and electric smelting crystalline magnesium oxide as a heat conducting insulator, seamless continuous stainless steel or copper pipe is used as a sheath, the heating cable is manufactured by adopting a special production process, PE or low smoke halogen-free outer jackets can be additionally arranged in places with strong corrosion effect, the photovoltaic panel is used as green energy production equipment in the new century, the heating cable is widely applied to various environments, the power generation efficiency of the photovoltaic panel is closely related to the condition that the surface of the photovoltaic panel is subjected to solar irradiation, snow is covered on the surface of the photovoltaic panel when the snow falls in winter, the power generation efficiency of the photovoltaic panel is greatly influenced, and the purpose of snow melting is achieved by paving the heating cable on the back of the photovoltaic panel in the prior art.

The utility model discloses a heating cable with the publication number of CN205389276U, which comprises an insulating layer, a heating loop conductor, a sheath layer, a fluid cavity and a heating cable, wherein the insulating layer is made of insulating materials, the heating loop conductor is circumferentially provided with at least two layers, at least one layer of heating loop conductor is connected with a positive electrode of a power supply, at least one layer of heating loop conductor is connected with a negative electrode of the power supply, at least one layer of insulating layer is arranged between the heating loop conductors of adjacent layers, the sheath layer is arranged outside the heating loop conductor of the outermost layer, the fluid cavity is arranged along the axial direction of the heating cable or in a direction parallel to the axial direction and is positioned in the sheath layer and used for circulating fluid capable of conducting heat, and the fluid cavity is wrapped by the insulating materials.

The heating cable has some problems in practical application, the contact area between the heating cable and the photovoltaic panel is small in application, the heat conduction effect is poor, and a large amount of heat energy is wasted.

Accordingly, it is necessary to invent a snow melting heating cable for a photovoltaic panel to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a snow melting heating cable for a photovoltaic panel, which is used for solving the problems in the background art.

The snow melting heating cable for the photovoltaic panel comprises wire layers, heating wires and a protective outer layer, wherein the wire layers, the heating wires and the protective outer layer are sequentially arranged from inside to outside, the wire layers are symmetrically arranged, the heating wires are arranged in a spiral structure, the heating wires are arranged on the outer sides of the two groups of wire layers in a surrounding mode, the section of the heating wires is in an 'infinity' structure, the wire layers comprise positioning ribs, wire cores, heat insulation layers and insulating layers, and the positioning ribs, the wire cores, the heat insulation layers and the insulating layers are sequentially arranged from inside to outside.

Preferably, the positioning rib is of a cross-shaped structure, four groups of wire cores are arranged on the positioning rib, and the four groups of wire cores are arranged on the outer side of the positioning rib in a surrounding mode.

Preferably, the heat insulation layer comprises a plurality of strip-shaped asbestos arranged in a staggered mode, and the strip-shaped asbestos is arranged in a surrounding structure.

Preferably, the insulating layer is made of insulating rubber.

Preferably, the heating wire is made of graphene.

Preferably, the two sides of the heating wire are fixedly provided with heat-conducting silica gel sheets, and the heat-conducting silica gel sheets are arranged into a strip-shaped structure.

The utility model has the technical effects and advantages that:

1. According to the utility model, the wire layer is arranged, the electric heating wire is arranged on the outer side of the wire layer, the electric heating wire is in a spiral structure, the section of the electric heating wire is in an 'infinity' shape, and when the cable is paved on the back of the photovoltaic panel, the cable can be fully attached to the back of the photovoltaic panel so as to ensure that heat generated by the electric heating wire can be fully utilized, and meanwhile, the heat conducting silica gel sheets are arranged on the two sides of the electric heating wire so as to further promote heat exchange between the electric heating wire and the photovoltaic panel, thereby achieving the effect of promoting cable snow melting;

2. According to the utility model, the two groups of wire layers are arranged, the two groups of wire layers can respectively realize current transmission of the anode and the cathode so as to achieve the purpose of conducting electricity, and the positioning ribs and the wire cores are arranged in the wire layers, so that the wire cores can be positioned, the situation that the wire cores are mutually wound and broken in the laying process of a cable can be avoided, the stability of the cable in use is further ensured, and the heat insulation layer is arranged on the outer side of the wire cores, so that the heat generated by the electric heating wires can be prevented from influencing the wire cores, and the normal transportation of the current is ensured while the cable heats and melts snow.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the whole structure of the present utility model.

Fig. 3 is a schematic diagram of a heating wire structure according to the present utility model.

Fig. 4 is a schematic diagram of a conductive layer structure according to the present utility model.

In the figure, 1, a wire layer, 2, an electric heating wire, 3, a protective outer layer, 4, a heat conduction silica gel sheet, 5, a positioning rib, 6, a wire core, 7, a heat insulation layer, 8 and an insulation layer.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a snow melting heating cable for a photovoltaic panel, which is shown in fig. 1-4, and comprises wire layers 1, heating wires 2 and a protective outer layer 3, wherein the wire layers 1, the heating wires 2 and the protective outer layer 3 are sequentially arranged from inside to outside, the wire layers 1 are provided with two groups, the two groups of wire layers 1 are symmetrically arranged, the heating wires 2 are arranged in a spiral structure, the heating wires 2 are arranged on the outer sides of the two groups of wire layers 1 in a surrounding manner, the section of the heating wires 2 is in an "-infinity" structure, the wire layers 1 comprise positioning ribs 5, wire cores 6, a heat insulation layer 7 and an insulation layer 8, and the positioning ribs 5, the wire cores 6, the heat insulation layer 7 and the insulation layer 8 are sequentially arranged from inside to outside;

Specifically, the positioning rib 5 is of a cross-shaped structure, the wire cores 6 are provided with four groups, the four groups of wire cores 6 are arranged on the outer side of the positioning rib 5 in a surrounding mode, the heat insulation layer 7 comprises a plurality of staggered strip-shaped asbestos, the strip-shaped asbestos is of a surrounding structure, and the insulating layer 8 is made of insulating rubber;

More specifically, heating wire 2 sets up to the graphite alkene material, and the both sides of heating wire 2 are all fixed to be provided with heat conduction silica gel piece 4, and heat conduction silica gel piece 4 sets up to the bar structure, and heat conduction silica gel piece 4 is used for promoting heating wire 2 and the area of contact of protecting outer 3 to promote the heat transfer effect between heating wire 2 and the photovoltaic board.

In summary, when the utility model is applied, the two groups of lead layers 1 can be respectively connected with the anode and the cathode of the photovoltaic panel to realize the output of current, the electric heating wire 2 can be connected with the power supply circuit, and when the surface of the photovoltaic panel is covered by snow, the circuit of the electric heating wire 2 is closed, so that the electric heating wire 2 is electrified to generate heat, and the snow melting function can be realized;

According to the utility model, the wire layer 1 is arranged, the electric heating wire 2 is arranged on the outer side of the wire layer 1, the electric heating wire 2 is in a spiral structure, the section of the electric heating wire 2 is in an 'infinity' shape, when a cable is laid on the back of a photovoltaic panel, the electric heating wire can be fully attached to the back of the photovoltaic panel, so that the heat generated by the electric heating wire 2 can be fully utilized, meanwhile, the heat conducting silica gel sheets 4 are arranged on the two sides of the electric heating wire 2, so that the heat exchange between the electric heating wire 2 and the photovoltaic panel is further improved, the effect of melting snow of the cable is achieved, the wire layer 1 is provided with two groups, the two groups of wire layers 1 can respectively realize current transmission of the positive electrode and the negative electrode, so that the purpose of electric conduction is achieved, and the positioning ribs 5 and the wire core 6 are arranged in the wire layer 1, so that the situation that the wire core 6 is mutually wound and broken in the cable is ensured in the laying process can be avoided, and the stability of the cable in use is further ensured, and the heat generated by the heat insulating layer 7 can be prevented from influencing the wire core 6 in the use process, and the normal snow-melting effect of the cable is guaranteed.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (6)

1. The snow melting heating cable for the photovoltaic panel comprises a wire layer (1), an electric heating wire (2) and a protective outer layer (3), and is characterized in that the wire layer (1), the electric heating wire (2) and the protective outer layer (3) are sequentially arranged from inside to outside, the wire layer (1) is provided with two groups, the two groups of wire layers (1) are symmetrically arranged, the electric heating wire (2) is arranged into a spiral structure, the electric heating wire (2) is arranged around the outer sides of the two groups of wire layers (1), the section of the electric heating wire (2) is of an '-infinity' structure, the wire layer (1) comprises a positioning rib (5), a wire core (6), a heat insulation layer (7) and an insulating layer (8), and the positioning rib (5), the wire core (6), the heat insulation layer (7) and the insulating layer (8) are sequentially arranged from inside to outside.

2. The snow-melting heating cable for the photovoltaic panel according to claim 1, wherein the positioning ribs (5) are of a ten-shaped structure, the wire cores (6) are provided with four groups, and the four groups of wire cores (6) are arranged on the outer sides of the positioning ribs (5) in a surrounding mode.

3. A snow-melting heating cable for photovoltaic panels according to claim 2, characterized in that the insulating layer (7) comprises a plurality of staggered strip-like asbestos, and that the strip-like asbestos is arranged in a surrounding structure.

4. A snow-melting heating cable for photovoltaic panels according to claim 3, characterized in that the insulating layer (8) is made of insulating rubber.

5. A snow-melting heating cable for photovoltaic panels as claimed in claim 4, characterized in that said heating wire (2) is provided in graphene material.

6. A snow-melting heating cable for photovoltaic panels as set forth in claim 5, wherein the heat-conducting silica gel sheets (4) are fixedly arranged on both sides of the heating wire (2), and the heat-conducting silica gel sheets (4) are arranged in a strip-shaped structure.