CN214377768U

CN214377768U - Flame-retardant connecting cable for new energy photovoltaic inverter

Info

Publication number: CN214377768U
Application number: CN202023071041.XU
Authority: CN
Inventors: 黄月辉; 甘宇航; 朱旻栎
Original assignee: Wuxi Huahao Electric Co ltd
Current assignee: Wuxi Huahao Electric Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-10-08
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a fire-retardant type connecting cable for new forms of energy photovoltaic inverter, including the first insulation layer, the inside on first insulation layer is provided with the cavity, the inside of cavity is provided with solid fixed cylinder, gu four mounting panels of fixed cylinder's surface fixedly connected with, the one end of mounting panel is rotated and is connected with the pivot, the surface of pivot is rotated and is connected with two sets of fixed plates, and is two sets of the one end fixedly connected with connecting plate of fixed plate, two sets of splint of one end fixedly connected with of connecting plate, the surface on first insulation layer is provided with the shielding layer. The utility model discloses in, through the solid fixed cylinder and two sets of splint that set up, the wire inside of the cable of can being convenient for is fixed, can avoid the wire to take place in disorder when the installation, through the shielding layer that sets up, through set up the red copper mesh grid in its inside, can filter unnecessary electromagnetic wave effectively, improves the shielding ability of cable.

Description

Flame-retardant connecting cable for new energy photovoltaic inverter

Technical Field

The utility model relates to the technical field of cables, especially, relate to a fire-retardant type connecting cable for new forms of energy photovoltaic inverter.

Background

Cables, typically rope-like cables, are formed by stranding several or several groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the cable can be a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

When the existing connecting cable is used, the inner conducting wire is easily scattered when being assembled, and secondly, when the flame-retardant connecting cable of the new energy photovoltaic inverter is used, the flame retardant property of the cable is poor, and when the cable meets mars, the cable is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the fire-retardant type connecting cable who is used for new forms of energy photovoltaic inverter who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the flame-retardant connecting cable for the new-energy photovoltaic inverter comprises a first insulating layer, wherein a cavity is formed in the first insulating layer, a fixed cylinder is arranged in the cavity, four groups of mounting plates are fixedly connected to the outer surface of the fixed cylinder, one end of each mounting plate is rotatably connected with a rotating shaft, two groups of fixing plates are rotatably connected to the outer surface of each rotating shaft, one ends of the two groups of fixing plates are fixedly connected with a connecting plate, and one end of the connecting plate is fixedly connected with two groups of clamping plates;

the outer surface of the first insulating layer is provided with a shielding layer, the outer surface of the shielding layer is provided with a flame-retardant layer, and the outer surface of the flame-retardant layer is fixedly connected with a wear-resistant layer.

As a further description of the above technical solution: four groups of first flame-retardant ropes are arranged in the cavity, and each group of the first flame-retardant ropes is located between two groups of mounting plates.

As a further description of the above technical solution: four groups of second flame-retardant ropes are arranged in the cavity and are positioned at one end of the clamping plate.

As a further description of the above technical solution: and a second protective sleeve is arranged in the fixed sleeve, and a second lead is arranged in the second protective sleeve.

As a further description of the above technical solution: a first protective sleeve is arranged between the two groups of clamping plates, and a first conducting wire is arranged inside the first protective sleeve.

As a further description of the above technical solution: and a red copper woven mesh is arranged in the shielding layer.

As a further description of the above technical solution: the outer surface of the rotating shaft is fixedly connected with two groups of limiting rings, and the two groups of limiting rings are positioned at two ends of the two groups of fixing plates.

As a further description of the above technical solution: the wear-resistant layer consists of a glass fiber yarn woven mesh and silica gel.

The utility model discloses following beneficial effect has:

1. the utility model discloses a fixed section of thick bamboo and two sets of splint that set up, the fixed of the inside wire of cable of can being convenient for can avoid the wire to take place in disorder when the installation.

2. The utility model discloses a fire-retardant performance of cable can be strengthened to the fire-retardant rope of first fire-retardant rope, second and fire-retardant layer that set up.

3. The utility model discloses a wearing layer that sets up is woven by the glass fiber yarn and is formed, and the skin is scribbled one deck silica gel, has good temperature resistant, thermal-insulated effect, can strengthen the abrasive resistance of cable.

4. The utility model discloses a shielding layer that sets up through set up the red copper mesh grid in its inside, can filter unnecessary electromagnetic wave effectively, improves the shielding ability of cable.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a perspective view of a preferred embodiment of the present invention;

FIG. 3 is a perspective view of another preferred embodiment of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1.

Illustration of the drawings:

1. a fixed cylinder; 2. a flame retardant layer; 3. a shielding layer; 4. a wear layer; 5. a first insulating layer; 6. mounting a plate; 7. a cavity; 8. a first flame retardant cord; 9. a fixing plate; 10. a first protective cover; 11. a second flame retardant cord; 12. a splint; 13. a first conductive line; 14. a confinement ring; 15. a connecting plate; 16. a rotating shaft; 17. a second protective cover; 18. a second conductive line.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a flame-retardant connecting cable for a new energy photovoltaic inverter comprises a first insulating layer 5, a cavity 7 is arranged inside the first insulating layer 5, a fixed cylinder 1 is arranged inside the cavity 7, a second protective sleeve 17 is arranged inside the fixed cylinder 1, a second lead 18 is arranged inside the second protective sleeve 17 and can facilitate fixing of the second lead 18, four groups of mounting plates 6 are fixedly connected to the outer surface of the fixed cylinder 1, four groups of first flame-retardant ropes 8 are arranged inside the cavity 7, each group of first flame-retardant ropes 8 is positioned between two groups of mounting plates 6, one end of each mounting plate 6 is rotatably connected with a rotating shaft 16, two groups of limiting rings 14 are fixedly connected to the outer surface of each rotating shaft 16, the two groups of limiting rings 14 are positioned at two ends of two groups of fixing plates 9 and can limit the rotating shaft 16 to prevent the rotating shaft from moving when in use, and two groups of fixing plates 9 are rotatably connected to the outer surface of the rotating shaft 16, the one end fixedly connected with connecting plate 15 of two sets of fixed plates 9, two sets of splint 12 of one end fixedly connected with of connecting plate 15, be provided with first lag 10 between two sets of splint 12, the inside of first lag 10 is provided with first wire 13, the installation of first wire 13 of can being convenient for, the inside of cavity 7 is provided with the fire-retardant rope 11 of four groups of second, the fire-retardant rope 11 of second is located the one end of splint 12, through the first fire-retardant rope 8 that sets up, the fire-retardant rope 11 of second, can strengthen the fire behaviour of cable.

The surface on first insulation layer 5 is provided with shielding layer 3, shielding layer 3's inside is provided with red copper woven mesh, can filter unnecessary electromagnetic wave effectively, improve the shielding capacity of cable, shielding layer 3's surface is provided with fire-retardant layer 2, fire-retardant layer 2 comprises fire-retardant polyvinyl chloride, can strengthen the fire behaviour of cable, fire-retardant layer 2's fixed surface is connected with wearing layer 4, wearing layer 4 comprises glass fiber yarn woven mesh and silica gel, good temperature resistant has, thermal-insulated effect, can strengthen the wear resistance of cable.

The working principle is as follows: first pass fixed cylinder 1 with second wire 18 and second lag 17, pull open two sets of splint 12, then block first lag 10 and first wire 13 between two sets of splint 12, accomplish the installation of the inside first wire 13 of cable and second wire 18 promptly, then will go up the inside that the part placed first insulation layer 5, carry out spacingly to splint 12 and fixed cylinder 1 through first fire-retardant rope 8 and second fire-retardant rope 11, simultaneously through the first fire-retardant rope 8 that sets up, the fire behaviour of cable can be strengthened, then set up shielding layer 3 at the surface on first insulation layer 5, through set up red copper woven mesh in its inside, set up fire-retardant layer 2 at shielding layer 3's surface at last, then set up wearing layer 4 at the surface of fire-retardant layer 2, wearing layer 4 is woven by glass fiber yarn and is formed, outer coating silica gel.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a fire-retardant type connecting cable for new forms of energy photovoltaic inverter, includes first insulating layer (5), its characterized in that: a cavity (7) is formed in the first insulating layer (5), a fixed cylinder (1) is arranged in the cavity (7), four groups of mounting plates (6) are fixedly connected to the outer surface of the fixed cylinder (1), one end of each mounting plate (6) is rotatably connected with a rotating shaft (16), two groups of fixing plates (9) are rotatably connected to the outer surface of each rotating shaft (16), one end of each group of fixing plates (9) is fixedly connected with a connecting plate (15), and one end of each connecting plate (15) is fixedly connected with two groups of clamping plates (12);

the surface of first insulating layer (5) is provided with shielding layer (3), the surface of shielding layer (3) is provided with fire-retardant layer (2), the surface fixed connection of fire-retardant layer (2) has wearing layer (4).

2. The flame-retardant connecting cable for the new energy photovoltaic inverter according to claim 1, wherein: four groups of first flame-retardant ropes (8) are arranged inside the cavity (7), and each group of first flame-retardant ropes (8) is positioned between two groups of mounting plates (6).

3. The flame-retardant connecting cable for the new energy photovoltaic inverter according to claim 1, wherein: four groups of second flame-retardant ropes (11) are arranged in the cavity (7), and the second flame-retardant ropes (11) are located at one end of the clamping plate (12).

4. The flame-retardant connecting cable for the new energy photovoltaic inverter according to claim 1, wherein: a second protective sleeve (17) is arranged inside the fixed sleeve (1), and a second lead (18) is arranged inside the second protective sleeve (17).

5. The flame-retardant connecting cable for the new energy photovoltaic inverter according to claim 1, wherein: a first protective sleeve (10) is arranged between the two groups of clamping plates (12), and a first lead (13) is arranged inside the first protective sleeve (10).

6. The flame-retardant connecting cable for the new energy photovoltaic inverter according to claim 1, wherein: and a red copper woven mesh is arranged in the shielding layer (3).

7. The flame-retardant connecting cable for the new energy photovoltaic inverter according to claim 1, wherein: the outer surface of the rotating shaft (16) is fixedly connected with two groups of limiting rings (14), and the two groups of limiting rings (14) are positioned at two ends of the two groups of fixing plates (9).

8. The flame-retardant connecting cable for the new energy photovoltaic inverter according to claim 1, wherein: the wear-resistant layer (4) is composed of a glass fiber yarn woven mesh and silica gel.