Light-resistant flame-retardant cable

Abstract

The utility model provides a light-resistant flame-retardant cable, which comprises a separation layer, the outer side surface of the separation layer is fixedly connected with a cable core through a reinforcing layer, the outer side surface of the cable core is fixedly connected with an insulating layer, the outer side surface of the reinforcing layer is fixedly connected with an outer flame-retardant layer, and the outer side surface of the outer flame-retardant layer is fixedly connected with a shielding layer. The outer side surface of the shielding layer is fixedly connected with a buffer layer, the outer side surface of the buffer layer is fixedly connected with a light-resistant coating, and the outer side surface of the light-resistant coating is fixedly connected with a braid layer. According to the utility model, through the cooperation of the braid layer, the light-resistant coating and the buffer layer, the wear-resistant strength of the surface of the cable can be enhanced, and the light-resistant effect of the whole cable can be enhanced, thereby assisting in prolonging the service life of the cable outdoors.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and particularly relates to a light-resistant and flame-retardant cable. Background Art

[0002] Photovoltaic energy converts solar radiant energy into electrical energy based on the photovoltaic effect. Photovoltaic energy has the advantages of being pollution-free, noiseless, low maintenance cost, long service life, etc., and has developed rapidly in recent years. Cables are the general term for items such as optical cables and power cables, which are mainly used for multiple functions such as control installation, connecting equipment, and transmitting electricity. They are an indispensable thing for photovoltaic energy transmission. However, for photovoltaic applications, photovoltaic cables are usually installed outdoors. Subsequently, photovoltaic cables will be exposed to long-term sunlight, and under the influence of ultraviolet rays and high temperatures, the surface of ordinary cables is prone to aging problems. Moreover, the temperature accumulated inside the cable will increase the probability of the cable catching fire spontaneously. At the same time, the outdoor environment is relatively harsh, and the surface of ordinary cables is prone to wear and tear, which will reduce the service life of the cable or lead to dangerous problems such as short circuits, fires, and personal injuries. Content of the Utility Model

[0003] In order to overcome the defects existing in the prior art, a light-resistant and flame-retardant cable is provided to solve the problems raised in the above background art.

[0004] To achieve the above object, a light-resistant and flame-retardant cable is provided, including: a partition layer, the outer side of the partition layer is fixedly connected to a cable core through a reinforcement layer, the outer side of the cable core is fixedly connected to an insulating layer, the outer side of the reinforcement layer is fixedly connected to an outer flame-retardant layer, the outer side of the outer flame-retardant layer is fixedly connected to a shielding layer, the outer side of the shielding layer is fixedly connected to a buffer layer, the outer side of the buffer layer is fixedly connected to a light-resistant coating, and the outer side of the light-resistant coating is fixedly connected to a braided layer.

[0005] Preferably, the cross-section of the partition layer is in a cross-shaped annular structure, the inside of the partition layer is a hollow structure, the partition layer is made of soft rubber material, and the corners on the outer side of the partition layer are all in an arc-shaped structure.

[0006] Preferably, an inner flame-retardant layer is coated on the outer side of the partition layer, the inner flame-retardant layer uses a powder coating flame retardant, and the four cable cores are fixedly connected to the partition layer through the reinforcement layer wrapped around the outer side, and the strip structure of the reinforcement layer is made of nylon fiber.

[0007] Preferably, the outer flame-retardant layer is made of flame-retardant rubber material, the outer flame-retardant layer is wrapped around the outer side of the reinforcement layer by extrusion, and spiral anti-slip grooves are evenly formed on the outer arc surface of the outer flame-retardant layer.

[0008] Preferably, the shielding layer is made of aluminum foil. One group of aluminum foil tapes is wound clockwise on the outer side of the outer flame-retardant layer, and the other group of aluminum foil tapes is wound counterclockwise on the outer side of the outer flame-retardant layer. At the same time, the two groups of aluminum foil tapes are combined to form the shielding layer.

[0009] Preferably, the buffer layer is made of soft rubber. The buffer layer is wrapped around the outer side of the shielding layer by extrusion, and the outer side of the buffer layer is spirally wound with reinforcing wires. The reinforcing wires are made of metal. At the same time, a light-resistant coating made of anti-ultraviolet paint is evenly coated on the outer surface of the buffer layer.

[0010] Preferably, the braided layer is divided into a wear-resistant outer layer and a light-resistant inner layer. The wear-resistant outer layer is made of polyester fiber, and the light-resistant inner layer is made of light-resistant fiber. The thickness of the light-resistant inner layer is less than that of the wear-resistant outer layer.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: Through the cooperation of the inner and outer double-layer structure of the braided layer and the light-resistant coating, the surface of the cable not only has good wear resistance but also good light resistance. Moreover, the setting of the reinforcing wires can also enhance the structural strength of the buffer layer, further improving the bendability and impact resistance of the cable. At the same time, through the cooperation of the outer flame-retardant layer, shielding layer, reinforcement layer and separation layer, the flame-retardant effect of the cable can be effectively improved, and the heat accumulated inside the cable can be quickly dissipated, thereby reducing the probability of the cable aging due to ultraviolet rays and high temperature. Furthermore, it ensures that the cable has good use effects outdoors and reduces the probability of accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view schematic diagram of an embodiment of the present utility model.

[0013] Figure 2 It is a partial outer side schematic diagram of the buffer layer of an embodiment of the present utility model.

[0014] Figure 3 It is a structural schematic diagram of the braided layer of an embodiment of the present utility model.

[0015] Figure 4 For an embodiment of the present utility model Figure 1 The enlarged schematic diagram at A.

[0016] In the figure: 1, separation layer; 2, cable core; 3, insulating layer; 4, reinforcement layer; 5, outer flame-retardant layer; 6, shielding layer; 7, buffer layer; 8, light-resistant coating; 9, braided layer; 10, reinforcing wire; 11, light-resistant inner layer; 12, wear-resistant outer layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] 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.

[0018] Reference Figures 1 to 4 As shown, the utility model provides a light-resistant flame-retardant cable, comprising: a separation layer 1, the outer side surface of the separation layer 1 is fixedly connected to the cable core 2 through a reinforcement layer 4, and the outer side surface of the cable core 2 is fixedly connected to the insulating layer 3, and the outer side surface of the reinforcement layer 4 is fixedly connected to the outer flame-retardant layer 5, the outer side surface of the outer flame-retardant layer 5 is fixedly connected to the shielding layer 6, and the outer side surface of the shielding layer 6 is fixedly connected to the buffer layer 7, and the outer side surface of the buffer layer 7 is fixedly connected to the light-resistant coating 8, and the outer side surface of the light-resistant coating 8 is fixedly connected to the braided layer 9.

[0019] In this embodiment, the cable core 2 wrapped with the insulating layer 3 is placed at the corner of the partition layer 1, and the reinforcement layer 4 is wrapped around the outer side of the cable core 2, so that the cable core 2 can be fixedly connected to the partition layer 1, and the outer flame retardant layer 5 is wrapped on the surface of the structural layer by extrusion to improve the flame retardant effect of the cable, and the aluminum foil tapes of the two are staggered and wound on the outer side of the outer flame retardant layer 5 to form a shielding layer 6, which can enhance the shielding effect and the heat dissipation effect inside the cable, reduce the probability of excessive heat accumulation in a certain area, and help reduce the probability of spontaneous combustion of the cable, and then the buffer layer 7 is wrapped on the shielding layer by extrusion. The outer side surface of 6 can not only enhance the stability of the shielding layer 6 after being wrapped, but also enhance the overall impact resistance and bending effect of the cable, and the reinforcing wire 10 wrapped around the outer side surface of the buffer layer 7 can assist in enhancing the structural strength of the outer side surface of the buffer layer 7, and reduce the probability of damage to the buffer layer 7 due to foreign objects. At the same time, the cooperation of the light-resistant inner layer 11 and the light-resistant coating 8 of the braided layer 9 can effectively enhance the light-resistant effect of the outer surface of the cable, and the setting of the wear-resistant outer layer 12 can enhance the wear-resistant effect of the outer surface of the cable, reduce the probability of accidental damage to the cable when used outdoors, and extend the service life of the cable.

[0020] As a preferred embodiment, the cross section of the partition layer 1 is a cross-ring structure, and the interior of the partition layer 1 is a hollow structure. At the same time, the partition layer 1 is made of soft rubber material, and the corners of the outer side of the partition layer 1 are all arc-shaped structures.

[0021] In this embodiment, if Figure 1 The soft rubber material and hollow structure make the partition layer 1 have good elasticity, which can effectively enhance the overall impact resistance of the cable. At the same time, the hollow structure of the partition layer 1 can also assist in heat dissipation and reduce the chance of spontaneous combustion inside the cable.

[0022] As a preferred embodiment, an inner flame retardant layer is coated on the outer side surface of the separation layer 1. The inner flame retardant layer uses a powder coating flame retardant, and the four groups of cable cores 2 are fixedly connected to the separation layer 1 through a reinforcing layer 4 wrapped around the outer side surface. At the same time, the strip structure of the reinforcing layer 4 is made of nylon fiber.

[0023] In this embodiment, as Figure 1 , the setting of the inner flame retardant layer enables the cable core 2 to be fixedly connected to the separation layer 1, and the surface of the separation layer 1 will also be as close as possible to the outer side surface of the insulating layer 3. Then, the inner flame retardant layer can be attached near the cable core 2, thereby effectively enhancing the flame retardant effect inside the cable. Moreover, the setting of the reinforcing layer 4 can assist in enhancing the fixing effect between the cable core 2 and the separation layer 1.

[0024] As a preferred embodiment, the outer flame retardant layer 5 is made of a flame retardant rubber material. The outer flame retardant layer 5 is wrapped around the outer side surface of the reinforcing layer 4 by extrusion, and spiral anti-slip grooves are uniformly formed on the outer arc surface of the outer flame retardant layer 5.

[0025] In this embodiment, as Figure 1 , the setting of the outer flame retardant layer 5 can assist in enhancing the flame retardant effect in the middle of the cable, and can also assist in enhancing the stability of the winding of the reinforcing layer 4. At the same time, the formation of the anti-slip grooves can facilitate enhancing the stability of the wrapping of the shielding layer 6.

[0026] As a preferred embodiment, the shielding layer 6 is made of aluminum foil material. One group of aluminum foil tapes is wound clockwise around the outer side surface of the outer flame retardant layer 5, and the other group of aluminum foil tapes is wound counterclockwise around the outer side surface of the outer flame retardant layer 5. At the same time, the two groups of aluminum foil tapes are combined together to form the shielding layer 6.

[0027] In this embodiment, as Figure 1 and Figure 4 , the staggered winding structure of the double aluminum foil tapes can not only enhance the structural strength of the shielding layer 6, but also enhance the shielding effect, reduce the probability of the cable being deformed and damaged, and at the same time can also assist in enhancing the heat dissipation effect inside the cable and reducing the probability of spontaneous combustion inside the cable.

[0028] As a preferred embodiment, the buffer layer 7 is made of a soft rubber material. The buffer layer 7 is wrapped around the outer side surface of the shielding layer 6 by extrusion, and a reinforcing wire 10 is spirally wound around the outer side surface of the buffer layer 7. The reinforcing wire 10 is made of a metal material. At the same time, a light-resistant coating 8 is uniformly coated on the outer surface of the buffer layer 7 using an anti-ultraviolet paint.

[0029] In this embodiment, as Figure 1 , Figure 2 and Figure 4, The setting of the buffer layer 7 can not only enhance the impact resistance effect of the cable, but also assist in enhancing the bending effect of the cable. Moreover, the setting of the strengthening wire 10 can enhance the structural strength of the outer side of the buffer layer 7, reduce the probability of the buffer layer 7 being directly damaged by foreign objects, ensure the safety of the internal structure of the buffer layer 7, and the setting of the light-resistant coating 8 can also assist in enhancing the light-resistant effect of the outer surface of the cable.

[0030] As a preferred embodiment, the braided layer 9 is divided into a wear-resistant outer layer 12 and a light-resistant inner layer 11. The wear-resistant outer layer 12 is made of polyester fiber material, and the light-resistant inner layer 11 is made of light-resistant fiber. And the thickness of the light-resistant inner layer 11 is less than that of the wear-resistant outer layer 12.

[0031] In this embodiment, as Figure 1 and Figure 3 , the double-layer structure of the braided layer 9 can not only enhance the wear-resistant effect of the cable during use, but also cooperate with the internal light-resistant coating 8 to enhance the light-resistant effect of the cable when used outdoors, thereby reducing the probability of the cable aging and extending the service life of the cable. At the same time, the thickness of the wear-resistant outer layer 12 is greater than that of the light-resistant inner layer 11, which can also assist in reducing the probability of the light-resistant inner layer 11 being accidentally damaged.

[0032] The light-resistant and flame-retardant cable of the present utility model, through the cooperation of the braided layer 9, the light-resistant coating 8 and the buffer layer 7, can not only enhance the wear-resistant strength of the cable surface, but also enhance the overall light-resistant effect of the cable, thereby assisting in extending the service life of the cable outdoors. At the same time, through the cooperation of the shielding layer 6, the outer flame-retardant layer 5, the reinforcement layer 4, the separation layer 1 and the inner flame-retardant layer, it can effectively reduce the probability of spontaneous combustion inside the cable, can also enhance the overall flame-retardant effect of the cable, and can also assist in enhancing the impact resistance effect of the cable.

[0033] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A light-resistant flame-retardant cable, comprising: A separation layer (1), characterized in that: the outer side surface of the separation layer (1) is fixedly connected to the cable core (2) through a reinforcement layer (4), and the outer side surface of the cable core (2) is fixedly connected to the insulating layer (3), and the outer side surface of the reinforcement layer (4) is fixedly connected to the outer flame retardant layer (5), and the outer side surface of the outer flame retardant layer (5) is fixedly connected to the shielding layer (6), and at the same time, the outer side surface of the shielding layer (6) is fixedly connected to the buffer layer (7), and the outer side surface of the buffer layer (7) is fixedly connected to the light-resistant coating (8), and the outer side surface of the light-resistant coating (8) is fixedly connected to the braided layer (9).

2. A light-resistant flame-retardant cable according to claim 1, characterized in that: The cross section of the separation layer (1) is a cross-ring structure, and the interior of the separation layer (1) is a hollow structure. The separation layer (1) is made of soft rubber material, and the corners of the outer side of the separation layer (1) are all in an arc-shaped structure.

3. The light-resistant flame-retardant cable according to claim 1, characterized in that: The outer side of the separation layer (1) is coated with an inner flame retardant layer, the inner flame retardant layer adopts a powder coating flame retardant, and the four groups of cable cores (2) are fixedly connected to the separation layer (1) through a reinforcement layer (4) wrapped around the outer side, and the long strip structure of the reinforcement layer (4) is made of nylon fiber.

4. The light-resistant flame-retardant cable according to claim 1, characterized in that: The outer flame retardant layer (5) is made of flame retardant rubber material, and the outer flame retardant layer (5) is wrapped around the outer side surface of the reinforcement layer (4) by extrusion, and the outer arc surface of the outer flame retardant layer (5) is evenly provided with spiral anti-skid grooves.

5. The light-resistant flame-retardant cable according to claim 1, characterized in that: The shielding layer (6) is made of aluminum foil, and one group of aluminum foil tapes is wound clockwise on the outer side of the outer flame retardant layer (5), while another group of aluminum foil tapes is wound counterclockwise on the outer side of the outer flame retardant layer (5), and the two groups of aluminum foil tapes are combined together to form the shielding layer (6).

6. The light-resistant flame-retardant cable according to claim 1, characterized in that: The buffer layer (7) is made of soft rubber material. The buffer layer (7) is wrapped around the outer side of the shielding layer (6) by extrusion. The outer side of the buffer layer (7) is spirally wound with a reinforcing wire (10). The reinforcing wire (10) is made of a metal material. At the same time, the outer surface of the buffer layer (7) is evenly coated with a light-resistant coating (8) using an anti-ultraviolet coating.

7. The light-resistant flame-retardant cable according to claim 1, characterized in that: The braided layer (9) is divided into a wear-resistant outer layer (12) and a light-resistant inner layer (11), wherein the wear-resistant outer layer (12) is made of polyester fiber material, and the light-resistant inner layer (11) is made of light-resistant fiber, and the thickness of the light-resistant inner layer (11) is less than the thickness of the wear-resistant outer layer (12).

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