Photovoltaic composite cable

Abstract

The utility model discloses a photovoltaic composite cable, and relates to the technical field of cables. Comprising a control wire core, a first shielding layer is wound on the outer surface of the control wire core, a first elastic tube is wound on the outer surface of the first shielding layer, a first elastic sheath is arranged on the outer surface of the first elastic tube, and four conductive wire cores are wound on the outer surface of the first elastic sheath; a second elastic tube is wound on the outer surface of the first elastic sheath between the conductive wire cores, a second shielding layer is arranged on the outer surface of the second elastic tube, a first protection mechanism is arranged on the outer surface of the second shielding layer, a second elastic sheath is arranged on the outer surface of the first protection mechanism, and a glass wool sleeve is arranged on the outer surface of the second elastic sheath. According to the utility model, the composite cable has better elasticity so as to meet the requirements of thermal expansion and cold contraction, has good elasticity, is not easy to bend and damage, has better corrosion-resistant and heat-insulating performance, is not easy to be influenced and damaged by external environment, and prolongs the service life.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a photovoltaic composite cable. Background Art

[0002] With the rapid development of my country's economy, the economic strength of various regions in my country is also increasing. Cables are needed to transmit electricity to people. Cables play a vital role in the process of power transmission. At present, various fields have higher and higher requirements for the quality and performance of wires and cables.

[0003] In the prior art, in the field of photovoltaic power generation, composite cables are required for intelligent control and power transmission. Since photovoltaic power generation is mostly installed in places with sufficient sunshine, the cables exposed to the sun will be frozen in winter and exposed to the sun in summer during use, causing the cables to expand and contract due to heat. Since the current cables have poor thermal expansion and contraction performance, cable damage is very likely to occur, and the external temperature affects the cables, making them easily damaged. Utility Model Content

[0004] The utility model provides a photovoltaic composite cable to solve the problems in the background technology.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a photovoltaic composite cable, comprising a control core, a first shielding layer wrapped around the outer surface of the control core, a first elastic tube wrapped around the outer surface of the first shielding layer, a first elastic sheath arranged on the outer surface of the first elastic tube, four conductive cores wrapped around the outer surface of the first elastic sheath, and a second elastic tube wrapped around the outer surface of the first elastic sheath between the conductive cores, a second shielding layer arranged on the outer surface of the second elastic tube, a first protective mechanism arranged on the outer surface of the second shielding layer, a second elastic sheath arranged on the outer surface of the first protective mechanism, a second elastic sheath arranged on the outer surface of the second elastic sheath, a glass wool sheath arranged on the outer surface of the second elastic sheath, an outer sheath arranged on the outer surface of the glass wool sheath, and a second protective mechanism arranged on the outer surface of the outer sheath.

[0006] Furthermore, the control line core comprises a cable core, a paste and a loose tube, and the outer surface of the cable core is provided with the paste and the loose tube in sequence from the inside to the outside.

[0007] Furthermore, the first elastic tube, the first elastic sheath, the second elastic tube and the second elastic sheath are all made of silicone material.

[0008] Furthermore, the conductive core includes a conductor and an inner sheath, and the outer surface of the conductor is provided with the inner sheath.

[0009] Furthermore, the first shielding layer and the second shielding layer are both woven from tinned soft copper wires.

[0010] Furthermore, the first protective mechanism includes a temperature-insulating tape, a water-blocking tape and a flame-retardant tape, and the temperature-insulating tape, the water-blocking tape and the flame-retardant tape are sequentially wound around the outer surface of the second shielding layer from the inside to the outside.

[0011] Furthermore, the second protective mechanism includes a thermal insulation coating, a corrosion-resistant coating and a reflective coating, and the thermal insulation coating, the corrosion-resistant coating and the reflective coating are sequentially applied to the outer surface of the outer sheath from the inside to the outside.

[0012] Compared with the prior art, the utility model provides a photovoltaic composite cable, which has the following beneficial effects:

[0013] 1. The photovoltaic composite cable has good elasticity by arranging the first elastic tube, the first elastic sheath, the second elastic tube and the second elastic sheath, so as to meet the requirements of thermal expansion and contraction, and has good elasticity and is not easily damaged by bending.

[0014] 2. The photovoltaic composite cable has better anti-corrosion and heat-insulating properties by providing the first protection mechanism and the second protection mechanism, making the cable less susceptible to damage by the external environment and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the control wire core of the utility model;

[0017] Figure 3 It is a cross-sectional view of the conductive wire core of the utility model.

[0018] In the figure: 1, control core; 101, cable core; 102, paste; 103, loose tube; 2, first shielding layer; 3, first elastic tube; 4, first elastic sheath; 5, conductive core; 501, conductor; 502, inner sheath; 6, second elastic tube; 7, second shielding layer; 8, first protective mechanism; 801, thermal insulation tape; 802, water-blocking tape; 803, flame-retardant tape; 9, second elastic sheath; 10, glass wool sleeve; 11, outer sheath; 12, second protective mechanism; 121, thermal insulation coating; 122, corrosion-resistant coating; 123, reflective coating. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 3 The utility model discloses a photovoltaic composite cable, including a control core 1, a first shielding layer 2 is wound around the outer surface of the control core 1, a first elastic tube 3 is wound around the outer surface of the first shielding layer 2, a first elastic sheath 4 is arranged on the outer surface of the first elastic tube 3, four conductive cores 5 are wound around the outer surface of the first elastic sheath 4, and a second elastic tube 6 is wound around the outer surface of the first elastic sheath 4 between the conductive cores 5, a second shielding layer 7 is arranged on the outer surface of the second elastic tube 6, a first protective mechanism 8 is arranged on the outer surface of the second shielding layer 7, a second elastic sheath 9 is arranged on the outer surface of the first protective mechanism 8, a second elastic sheath 9 is arranged on the outer surface of the second elastic sheath 9, a glass wool sheath 10 is arranged on the outer surface of the glass wool sheath 10, an outer sheath 11 is arranged on the outer surface of the outer sheath 11, and a second protective mechanism 12 is arranged on the outer surface of the outer sheath 11.

[0021] Specifically, the control line core 1 includes a cable core 101 , a paste 102 and a loose tube 103 , and the outer surface of the cable core 101 is provided with the paste 102 and the loose tube 103 in sequence from the inside to the outside.

[0022] In this embodiment, the cable core 101, the paste 102 and the loose tube 103 form a complete light beam to meet the requirements of data transmission.

[0023] Specifically, the first elastic tube 3 , the first elastic sheath 4 , the second elastic tube 6 and the second elastic sheath 9 are all made of silicone material.

[0024] In this embodiment, the first elastic tube 3, the first elastic sheath 4, the second elastic tube 6 and the second elastic sheath 9 all have good elasticity.

[0025] Specifically, the conductive core 5 includes a conductor 501 and an inner sheath 502 , and the outer surface of the conductor 501 is provided with the inner sheath 502 .

[0026] In this embodiment, the conductor 501 and the inner sheath 502 form a complete electrical conductor.

[0027] Specifically, the first shielding layer 2 and the second shielding layer 7 are both woven from tinned soft copper wires.

[0028] In this embodiment, the first shielding layer 2 and the second shielding layer 7 have good signal shielding effect.

[0029] Specifically, the first protective mechanism 8 includes a temperature insulation tape 801 , a water blocking tape 802 and a flame retardant tape 803 , and the temperature insulation tape 801 , the water blocking tape 802 and the flame retardant tape 803 are sequentially wound around the outer surface of the second shielding layer 7 from inside to outside.

[0030] In this embodiment, the temperature-insulating tape 801, the water-blocking tape 802 and the flame-retardant tape 803 increase the temperature-insulating, waterproof and flame-retardant properties of the cable.

[0031] Specifically, the second protection mechanism 12 includes a thermal insulation coating 121 , a corrosion resistant coating 122 and a reflective coating 123 , and the thermal insulation coating 121 , the corrosion resistant coating 122 and the reflective coating 123 are sequentially applied to the outer surface of the outer sheath 11 from the inside to the outside.

[0032] In this embodiment, the reflective coating 123 reflects the ultraviolet light, the corrosion-resistant coating 122 prevents the outer sheath 11 from being corroded, and the thermal insulation coating 121 prevents the external temperature from interfering with the outer sheath 11.

[0033] When in use, the first elastic tube 3, the first elastic sheath 4, the second elastic tube 6 and the second elastic sheath 9 make the composite cable have good elasticity, so as to meet the needs of thermal expansion and contraction, and the control core 1 and the conductive core 5 can be better bent and not easily damaged by bending. The first shielding layer 2 and the second shielding layer 7 make the cable have a good signal shielding effect. The temperature insulation belt 801, the water blocking belt 802 and the flame retardant belt 803 in the first protective mechanism 8 increase the temperature insulation, waterproof and flame retardant properties of the cable. The reflective coating 123 in the second protective mechanism 12 reflects the ultraviolet light, the corrosion-resistant coating 122 prevents the outer sheath 11 from being corroded, and the temperature insulation coating 121 makes it difficult for the external temperature to interfere with the outer sheath 11, so that the cable has good anti-corrosion and temperature insulation properties, and the cable is not easily damaged by the external environment, thereby extending the service life.

[0034] To sum up, the photovoltaic composite cable has good elasticity, thereby meeting the needs of thermal expansion and contraction, and has good elasticity, is not easily damaged by bending, has good anti-corrosion and heat insulation properties, makes the cable not easily damaged by the external environment, and extends its service life.

[0035] Although the 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 photovoltaic composite cable, comprising a control core (1), characterized in that: The outer surface of the control wire core (1) is wound with a first shielding layer (2), the outer surface of the first shielding layer (2) is wound with a first elastic tube (3), the outer surface of the first elastic tube (3) is provided with a first elastic sheath (4), the outer surface of the first elastic sheath (4) is wound with four conductive wire cores (5), and the outer surface of the first elastic sheath (4) between the conductive wire cores (5) is wound with a second elastic tube (6), the outer surface of the second elastic tube (6) is provided with a second shielding layer (7), the outer surface of the second shielding layer (7) is provided with a first protective mechanism (8), the outer surface of the first protective mechanism (8) is provided with a second elastic sheath (9), the outer surface of the second elastic sheath (9) is provided with a glass wool sheath (10), the outer surface of the glass wool sheath (10) is provided with an outer sheath (11), and the outer surface of the outer sheath (11) is provided with a second protective mechanism (12).

2. A photovoltaic composite cable according to claim 1, characterized in that: The control line core (1) comprises a cable core (101), a paste (102) and a loose tube (103), and the outer surface of the cable core (101) is provided with the paste (102) and the loose tube (103) in sequence from the inside to the outside.

3. A photovoltaic composite cable according to claim 1, characterized in that: The first elastic tube (3), the first elastic sheath (4), the second elastic tube (6) and the second elastic sheath (9) are all made of silicone material.

4. A photovoltaic composite cable according to claim 1, characterized in that: The conductive wire core (5) comprises a conductor (501) and an inner sheath (502), and the outer surface of the conductor (501) is provided with the inner sheath (502).

5. A photovoltaic composite cable according to claim 1, characterized in that: The first shielding layer (2) and the second shielding layer (7) are both woven from tinned soft copper wires.

6. A photovoltaic composite cable according to claim 1, characterized in that: The first protective mechanism (8) comprises a temperature-insulating tape (801), a water-blocking tape (802) and a flame-retardant tape (803), and the temperature-insulating tape (801), the water-blocking tape (802) and the flame-retardant tape (803) are sequentially wound around the outer surface of the second shielding layer (7) from the inside to the outside.

7. A photovoltaic composite cable according to claim 1, characterized in that: The second protection mechanism (12) comprises a thermal insulation coating (121), a corrosion resistant coating (122) and a reflective coating (123), and the thermal insulation coating (121), the corrosion resistant coating (122) and the reflective coating (123) are sequentially applied to the outer surface of the outer jacket (11) from the inside to the outside.

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