High-temperature-resistant cable for photovoltaic power generation

Abstract

The utility model belongs to the field of cables, and particularly relates to a high-temperature-resistant cable for photovoltaic power generation, which comprises a lining framework, a cable core is fixedly connected in the lining framework, a flame-retardant cloth sleeve is arranged on the outer side of the lining framework, a breathable bone net is arranged on the outer side of the flame-retardant cloth sleeve, and an outer wrapping sleeve is arranged on the outer side of the breathable bone net. According to the utility model, by arranging the lining framework with the radial holes and the axial holes, each cable can be accommodated in the lining framework, and heat can be dissipated through the radial holes and the axial holes and finally discharged through the through holes in the outer sheath, so that the heat dissipation capability of the cable is improved, and the cable is more resistant to high temperature.

Description

Technical Field

[0001] The utility model relates to the field of cables, in particular to a high temperature resistant cable for photovoltaic power generation. Background Art

[0002] The cables used in photovoltaic power generation systems are usually called photovoltaic cables or solar cables. These cables are mainly used to connect photovoltaic panels with inverters, battery energy storage systems and power grids. For example, the invention application patent with application publication number CN107958725A proposes a cable for photovoltaic power generation systems, including a main cable and a secondary cable twisted with the main cable, the cable core of the main cable and the cable core of the secondary cable are both copper conductors, the outside of the copper conductor is extruded with a cross-linked polyolefin insulation layer, a number of secondary cables are wrapped around the cross-linked polyolefin insulation layer, the secondary cable is extruded with an aluminum-plastic composite tape layer for waterproofing, and the aluminum-plastic composite tape layer is extruded with a tinned round copper wire braided layer.

[0003] However, the existing photovoltaic power generation system cables will generate high temperatures due to long-term use, and the natural heat dissipation effect is poor. Therefore, it is necessary to improve it. Utility Model Content

[0004] The utility model aims to provide a high temperature resistant cable for photovoltaic power generation, which solves the problem that the existing cables for photovoltaic power generation systems will generate high temperatures due to long-term use and the natural heat dissipation effect is poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high temperature resistant cable for photovoltaic power generation, comprising an inner lining skeleton, a cable core is fixedly connected to the interior of the inner lining skeleton, a flame retardant cloth sleeve is arranged on the outside of the inner lining skeleton, a breathable bone mesh is arranged on the outside of the flame retardant cloth sleeve, and an outer sheath is arranged on the outside of the breathable bone mesh.

[0006] Preferably, a positioning strip is fixedly connected to the outer side of the cable core, and the positioning strip is clamped with the inner lining frame. The positioning strip has a positioning effect on the accommodation of the cable core in the inner lining frame.

[0007] Preferably, the outer sheath is provided with a plurality of through holes, and the plurality of through holes are distributed in a circular array. The arrangement of the through holes facilitates heat dissipation inside the cable.

[0008] Preferably, an axial hole is provided inside the inner liner frame, and a plurality of radial holes distributed in an annular array are provided inside the inner liner frame, and the radial holes are communicated with the axial holes. The radial holes and the axial holes are provided to facilitate heat dissipation.

[0009] Preferably, the inner lining frame is made of Teflon material and is petal-shaped. Through the arrangement of the inner lining frame, each cable core can be spaced.

[0010] Preferably, the breathable bone mesh is cylindrical and made of polyurethane. Through the setting of the breathable bone mesh, ventilation is ensured while preventing debris from entering.

[0011] Preferably, the flame retardant cloth cover is made of flame retardant fiber material. By setting the flame retardant cloth cover, the flame retardant and breathable properties are not affected.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model provides an inner lining frame with radial holes and axial holes, and each cable can be accommodated in the inner lining frame. The heat can be dissipated through the radial holes and the axial holes, and finally discharged through the through holes on the outer sheath, thereby improving the heat dissipation capacity of the cable and making it more resistant to high temperatures.

[0014] 2. The utility model arranges a flame-retardant cloth sleeve and a breathable bone mesh between the outer sheath of the cable core box, which not only improves the flame-retardant performance of the cable, but also does not affect the heat dissipation capacity of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 A stereogram of the inner lining skeleton;

[0017] Figure 3 For the utility model Figure 1 A three-dimensional diagram of the outer casing;

[0018] Figure 4 For the utility model Figure 1 Structural cross-section view.

[0019] In the figure: 1. inner lining skeleton; 11. axial hole; 12. radial hole; 2. cable core; 21. positioning strip; 3. flame retardant cloth sleeve; 4. breathable bone mesh; 5. outer sleeve; 51. through hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 A high temperature resistant cable for photovoltaic power generation includes an inner lining skeleton 1, which is made of Teflon and is petal-shaped. Through the setting of the inner lining skeleton 1, each cable core 2 can be spaced, an axial hole 11 is opened inside the inner lining skeleton 1, and a plurality of radial holes 12 distributed in a ring array are opened inside the inner lining skeleton 1, and the radial holes 12 are connected to the axial hole 11. The radial holes 12 and the axial holes 11 are set to facilitate heat dissipation, the inner lining skeleton 1 is fixedly connected with the cable core 2, and the outer side of the cable core 2 is fixedly connected with a positioning strip 21, and the positioning strip 21 is clamped with the inner lining skeleton 1. The setting of the positioning strip 21 has a positioning effect for the accommodation of the cable core 2 in the inner lining skeleton 1, and the outer side of the inner lining skeleton 1 is provided with a flame-retardant cloth cover 3, and the flame-retardant cloth cover 3 is made of flame-retardant fiber material. Through the setting of the flame-retardant cloth cover 3, it can be flame-retardant without affecting air permeability. The outer side of the flame-retardant cloth cover 3 is provided with a breathable bone mesh 4, which is cylindrical and made of polyurethane. The breathable bone mesh 4 is provided to ensure ventilation while preventing debris from entering. An outer sheath 5 is provided on the outer side of the breathable bone mesh 4. A plurality of through holes 51 are provided inside the outer sheath 5. The plurality of through holes 51 are distributed in a circular array. The through holes 51 are provided to facilitate heat dissipation inside the cable.

[0022] The specific implementation process of the utility model is as follows: when in use, each cable core 2 is inserted into the inner lining skeleton 1, and the cable core 2 is positioned by the positioning strip 21, and then the flame retardant cloth sleeve 3, the breathable bone mesh 4 and the outer sleeve 5 are arranged in sequence on the outside of the inner lining skeleton 1. The flame retardant cloth sleeve 3 can increase the flame retardant performance of the cable, and the heat on the cable core 2 passes through the radial hole 12 and the axial hole 11, and then passes through the mesh of the flame retardant cloth sleeve 3 and the breathable bone mesh 4, and finally can be discharged from the through hole 51, thereby improving the heat dissipation capacity of the cable, and thus being more resistant to high temperature.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant cable for photovoltaic power generation, comprising an inner lining skeleton (1), characterized in that: The inner lining skeleton (1) is fixedly connected with a cable core (2), the outer side of the inner lining skeleton (1) is provided with a flame retardant cloth sleeve (3), the outer side of the flame retardant cloth sleeve (3) is provided with a breathable bone mesh (4), and the outer side of the breathable bone mesh (4) is provided with an outer sheath (5).

2. A high temperature resistant cable for photovoltaic power generation according to claim 1, characterized in that: A positioning strip (21) is fixedly connected to the outer side of the cable core (2), and the positioning strip (21) is clamped to the inner lining frame (1).

3. A high temperature resistant cable for photovoltaic power generation according to claim 1, characterized in that: A plurality of through holes (51) are provided inside the outer sleeve (5), and the plurality of through holes (51) are distributed in a ring array.

4. A high temperature resistant cable for photovoltaic power generation according to claim 1, characterized in that: An axial hole (11) is provided inside the inner lining skeleton (1), and a plurality of radial holes (12) distributed in an annular array are provided inside the inner lining skeleton (1), and the radial holes (12) are communicated with the axial hole (11).

5. A high temperature resistant cable for photovoltaic power generation according to claim 1, characterized in that: The inner lining frame (1) is made of Teflon material and is petal-shaped.

6. A high temperature resistant cable for photovoltaic power generation according to claim 1, characterized in that: The breathable bone mesh (4) is cylindrical and made of polyurethane.

7. A high temperature resistant cable for photovoltaic power generation according to claim 1, characterized in that: The flame retardant cloth sleeve (3) is made of flame retardant fiber material.

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