CN217640727U

CN217640727U - Rare earth aluminum alloy photovoltaic flame-retardant cable

Info

Publication number: CN217640727U
Application number: CN202221371184.9U
Authority: CN
Inventors: 韩鹏飞
Original assignee: Anhui Feichun Special Cable Co ltd
Current assignee: Anhui Feichun Special Cable Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-10-21
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a tombarthite aluminum alloy photovoltaic flame retarded cable, relate to photovoltaic cable technical field, including first wire subassembly and second wire subassembly, one side of second wire subassembly is provided with second wire subassembly, the inside sodium bicarbonate powder that sets up of fire prevention intracavity, after wearing layer and waterproof layer broke, the sodium bicarbonate powder is heated and decomposes and produces carbon dioxide, produce the carbon dioxide gas layer around the wire, reduce air oxygen concentration on every side, thereby reach effectual flame retardant action, furthermore, sodium bicarbonate decomposition product sodium carbonate is fixed graininess, form one separation casing in fire prevention chamber, can play the guard action to the wire, the carbon dioxide gas that sodium bicarbonate produced passes through the air duct and gets into in the metal box, and then promote first to both sides, the second wire piston removes, thereby make two subassembly intervals increase, avoid wave and another wire subassembly after one of them wire subassembly burns, effectively reduce the harm that the condition of a fire caused.

Description

Rare earth aluminum alloy photovoltaic flame-retardant cable

Technical Field

The utility model relates to a photovoltaic cable technical field specifically is a tombarthite aluminum alloy photovoltaic flame retarded cable.

Background

The development of solar energy shows a spray well type development in recent years, and by the end of 2010, the installed capacity of solar photovoltaic power generation in China has reached 893MW and is located in the seventh world. The country also gives support on photovoltaic construction projects. Photovoltaic power generation has driven the rapid development of related products, such as photovoltaic cables. Usually, low-voltage direct current generated by photovoltaic power generation needs to be converted into alternating current, and a connecting cable between a photovoltaic cell and an alternating current-direct current inverter is a photovoltaic cable.

But the rare earth aluminum alloy photovoltaic cable ubiquitous problem that fire behavior is poor that uses at present, the burning very easily takes place for outside inoxidizing coating when taking place the condition of a fire, and then leads to the cable inner conductor to lose the inoxidizing coating and take place the condition that the electric leakage caused secondary hazard, in addition, the inside wire of cable generally all sets up together, wraps up by same lag jointly, when the conflagration breaing out, often a wire burning can cause the common burning of wire on every side, has increased loss of property.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a tombarthite aluminum alloy photovoltaic flame retarded cable has solved the ubiquitous fire behavior of the tombarthite aluminum alloy photovoltaic cable that uses at present poor, cable inner conductor loses the inoxidizing coating and takes place the electric leakage easily and cause secondary harm and a wire burning can cause the common burning of wire on every side, increases loss of property's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a tombarthite aluminum alloy photovoltaic flame retarded cable, includes first wire subassembly and second wire subassembly, one side of second wire subassembly is provided with second wire subassembly, be provided with power component between first wire subassembly and the second wire subassembly relative lateral wall jointly, first wire subassembly includes the wearing layer, the fixed waterproof layer that is provided with in inner wall of wearing layer, the fixed flame retardant coating that is provided with in inner wall of waterproof layer, a plurality of air vents have evenly been seted up to the outer wall of flame retardant coating, the inside fixed shielding layer that is provided with of cavity of flame retardant coating, evenly be provided with a plurality of barrier blocks between flame retardant coating and the shielding layer, adjacent two be formed with fire prevention chamber between the barrier block jointly, every fire prevention intracavity portion all is provided with sodium bicarbonate powder, the inside of shielding layer is provided with a plurality of wires.

Further, the first lead assembly and the second lead assembly are two components with identical structures.

Further, the outer wall of wearing layer is evenly fixed and is provided with a plurality of wear-resisting archs, the through-hole has all been seted up to the lateral wall of barrier block, and the through-hole internal diameter is less than the minimum particle diameter of sodium bicarbonate, and the outer wall of every wire all is provided with the insulating layer.

Furthermore, the power assembly comprises a metal box, the left side and the right side of a cavity of the metal box are respectively provided with a first piston and a second piston in a sliding mode, and air guide pipes are fixedly arranged inside the first piston and the second piston.

Furthermore, the first piston and the second piston are respectively and fixedly connected to the side walls of the first wire assembly and the second wire assembly, and the two air guide pipes are respectively communicated with one fireproof cavity of the first wire assembly and one fireproof cavity of the second wire assembly.

Furthermore, the metal box and the first piston are all members made of stainless steel materials.

Advantageous effects

The utility model provides a tombarthite aluminum alloy photovoltaic flame retarded cable. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a tombarthite aluminum alloy photovoltaic flame retarded cable, including first wire subassembly and second wire subassembly, one side of second wire subassembly is provided with the second wire subassembly, be provided with power component jointly between first wire subassembly and the second wire subassembly relative lateral wall, first wire subassembly includes the wearing layer, the fixed waterproof layer that is provided with of inner wall of wearing layer, the fixed flame retardant coating that is provided with of inner wall of waterproof layer, a plurality of air vents have evenly been seted up to the outer wall of flame retardant coating, the fixed shielding layer that is provided with in cavity of flame retardant coating, evenly be provided with a plurality of barrier blocks between flame retardant coating and the shielding layer, be formed with fire-proof cavity jointly between two adjacent barrier blocks, every fire-proof cavity inside all is provided with the baking soda powder, the inside of shielding layer is provided with a plurality of wires, can play the efficient guard action to inside wire in the cable use through setting up wearing layer and waterproof layer, avoid rubbing and rainwater to cause destruction to inside wire, the inside sets up the baking soda powder of fire-proof cavity, after wearing layer and waterproof layer broke, the baking powder is heated to decompose and produces carbon dioxide around the wire, reduce surrounding air oxygen concentration, thereby reach effectual fire-retardant action, in addition, baking soda decomposition product plays the fixed protection in one in the fire-proof cavity, the protection shell, sodium carbonate can form the blocking effect.

2. The utility model provides a tombarthite aluminum alloy photovoltaic flame retarded cable, sodium bicarbonate power pack includes the metal box, the cavity left and right sides of sodium bicarbonate metal box will slide respectively and be provided with first piston and second piston, the inside of first piston of sodium bicarbonate and second piston is all fixed and is provided with the air duct, the carbon dioxide gas that sodium bicarbonate produced passes through the air duct and gets into in the metal box, and then promote first to both sides, the second piston removes, thereby make two wire assembly interval increase, wave and another wire assembly after avoiding one of them wire assembly burning, effectively reduce the harm that the condition of a fire caused.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a front sectional view of the present invention;

fig. 3 is a schematic view of the enlarged perspective structure of part a of the present invention.

In the figure: 1. a first wire assembly; 101. a wear resistant layer; 102. a waterproof layer; 103. a fire-resistant layer; 104. a vent hole; 105. a shielding layer; 106. a barrier block; 107. a fire-proof cavity; 108. a wire; 2. a second wire assembly; 3. a power assembly; 301. a metal case; 302. a first piston; 303. a second piston; 304. an air duct.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a rare earth aluminum alloy photovoltaic flame-retardant cable comprises a first wire component 1 and a second wire component 2, wherein the second wire component 2 is arranged on one side of the second wire component 2, a power component 3 is jointly arranged between opposite side walls of the first wire component 1 and the second wire component 2, the first wire component 1 comprises a wear-resistant layer 101, a waterproof layer 102 is fixedly arranged on the inner wall of the wear-resistant layer 101, a fireproof layer 103 is fixedly arranged on the inner wall of the waterproof layer 102, a plurality of air holes 104 are uniformly formed in the outer wall of the fireproof layer 103, a shielding layer 105 is fixedly arranged in a cavity of the fireproof layer 103, a plurality of shielding blocks 106 are uniformly arranged between the fireproof layer 103 and the shielding layer 105, a fireproof cavity 107 is jointly formed between every two adjacent shielding blocks 106, sodium bicarbonate powder is arranged in each fireproof cavity 107, and a plurality of wires 108 are arranged in the shielding layer 105, first wire assembly 1 is two identical components of structure with second wire assembly 2, the outer wall of wearing layer 101 is evenly fixed and is provided with a plurality of wear-resisting archs, the through-hole has all been seted up to the lateral wall of barrier block 106, the through-hole internal diameter is less than the minimum particle diameter of sodium bicarbonate, the outer wall of every wire 108 all is provided with the insulating layer, power component 3 includes metal box 301, metal box 301's the cavity left and right sides will slide respectively and be provided with first piston 302 and second piston 303, the inside of first piston 302 and second piston 303 is all fixed and is provided with air duct 304, first piston 302 and second piston 303 are fixed connection respectively at first wire assembly 1, on the lateral wall of second wire assembly 2, two air ducts 304 respectively with first wire assembly 1, one of them fire-proof chamber 107 is linked together in the second wire assembly 2, metal box 301, first piston 302 is the component that stainless steel made.

When the first wire assembly 1 and the second wire assembly 2 are laid, the first wire assembly 1 and the second wire assembly 2 are horizontally placed and are made to be close to each other as much as possible, namely, the distance between the first piston 302 and the second piston 303 is the smallest, the laying occupied area of the wire assemblies is reduced, when a fire occurs outside, the abrasion-resistant layer 101 and the waterproof layer 102 are firstly burned by flame, before the abrasion-resistant layer 101 and the waterproof layer 102 are burned, the flame can be roasted by the flame, heat penetrates through the abrasion-resistant layer 101, the waterproof layer 102 and the fireproof layer 103 and enters the fireproof cavity 107, sodium bicarbonate powder is filled in the wire assemblies, according to the chemical reaction principle, the wire assemblies can undergo a chemical reaction of 2 = Δ = Na2CO3+ H2O + CO2 ≦ under a heated condition, carbon dioxide gas enters the metal box 301 through the air guide pipe 304, the gas pushes the first piston 302 and the second piston 303 to move in opposite directions, and the first piston 302 and the second piston 303 are fixedly connected with the first wire assembly 1 and the second wire assembly 2, so that the pistons push the two wire assemblies to move apart, the distance increases, the distance between the first piston 302 and the second piston 303 and the carbon dioxide gas form a protective gas vent hole for preventing the sodium bicarbonate component from being burned, and forming an effective sodium bicarbonate gas concentration of the sodium bicarbonate gas after the flame-sodium bicarbonate-sodium carbonate-protecting shell 108.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rare earth aluminum alloy photovoltaic flame retarded cable, includes first wire assembly (1) and second wire assembly (2), one side of second wire assembly (2) is provided with second wire assembly (2), its characterized in that: first wire subassembly (1) and second wire subassembly (2) are provided with power component (3) between the relative lateral wall jointly, first wire subassembly (1) includes wearing layer (101), the fixed waterproof layer (102) that is provided with of inner wall of wearing layer (101), the fixed flame retardant coating (103) that is provided with of inner wall of waterproof layer (102), a plurality of air vents (104) have evenly been seted up to the outer wall of flame retardant coating (103), the cavity internal fixation of flame retardant coating (103) is provided with shielding layer (105), evenly be provided with a plurality of barrier blocks (106) between flame retardant coating (103) and shielding layer (105), adjacent two be formed with fire prevention chamber (107) jointly between barrier block (106), every fire prevention chamber (107) inside all is provided with the sodium bicarbonate powder, the inside of shielding layer (105) is provided with a plurality of wires (108).

2. The rare earth aluminum alloy photovoltaic flame-retardant cable according to claim 1, characterized in that: the first lead assembly (1) and the second lead assembly (2) are two components with completely same structures.

3. The rare earth aluminum alloy photovoltaic flame-retardant cable according to claim 1, characterized in that: the outer wall of wearing layer (101) is evenly fixed and is provided with a plurality of wear-resisting archs, the through-hole has all been seted up to the lateral wall of separation block (106), and the through-hole internal diameter is less than the minimum particle diameter of sodium bicarbonate, and the outer wall of every wire (108) all is provided with the insulating layer.

4. The rare earth aluminum alloy photovoltaic flame-retardant cable according to claim 1, characterized in that: the power assembly (3) comprises a metal box (301), the left side and the right side of a cavity of the metal box (301) are respectively provided with a first piston (302) and a second piston (303) in a sliding mode, and the air guide pipes (304) are fixedly arranged inside the first piston (302) and the second piston (303).

5. The rare earth aluminum alloy photovoltaic flame-retardant cable according to claim 4, characterized in that: the first piston (302) and the second piston (303) are fixedly connected to the side walls of the first wire assembly (1) and the second wire assembly (2) respectively, and the two air guide pipes (304) are communicated with one of the fire-proof cavities (107) in the first wire assembly (1) and the second wire assembly (2) respectively.

6. The rare earth aluminum alloy photovoltaic flame-retardant cable according to claim 4, characterized in that: the metal box (301) and the first piston (302) are both members made of stainless steel.