Multi-layer shielding composite cable for intelligent box transformer substation

Abstract

The utility model discloses a multilayer shielding composite cable for an intelligent box transformer substation, which comprises a composite cable body, the outer side of the composite cable body is sleeved with a limiting spring, one end of the limiting spring is fixedly connected with a first positioning seat, and the other end of the limiting spring is fixedly connected with a second positioning seat. The second positioning seat and the first positioning seat are both mounted on the composite cable body; the composite cable body comprises a wire core, an inner shielding layer is fixedly mounted on the outer side of the wire core, an outer shielding layer is wrapped on the outer side of the inner shielding layer, and an outer sheath is fixedly wrapped on the outer side of the outer shielding layer. According to the multi-layer shielding composite cable for the intelligent box transformer substation, the limiting spring is arranged at the position, needing to be bent, of the composite cable body in a sleeving mode, in this way, the bending angle of the composite cable body is limited, and the situation that due to the fact that the composite cable body is excessively bent, a cable core in the cable is bent and damaged, and cable signal transmission is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the field of composite cables, in particular to a multi-layer shielded composite cable for intelligent box transformers. Background Art

[0002] Intelligent box-type transformer is a complete set of transformer equipment that integrates high-voltage switchgear, transformer, and low-voltage switchgear and has intelligent monitoring, control and protection functions.

[0003] It uses advanced sensor technology, communication technology and automatic control technology to monitor the operating status of the box-type transformer in real time, realize remote monitoring, fault diagnosis and early warning functions, improve the reliability and safety of power supply, and facilitate operation management and maintenance; a large number of cables are installed inside the intelligent box-type transformer for signal transmission;

[0004] Cables are composed of single or multiple strands of wire and an insulation layer, and are used to connect circuits, electrical appliances, etc. At present, with the progress of society and the development of mankind, cables have become widely popular. Cables need to be bent many times during use, which can easily lead to internal breakage of the cable and affect the transmission of cable signals. Utility Model Content

[0005] The utility model aims to provide a multi-layer shielded composite cable for an intelligent box transformer to solve the defects mentioned in the above background technology.

[0006] To achieve the above object, a multi-layer shielded composite cable for an intelligent box transformer is provided, comprising a composite cable body, a limit spring is sleeved on the outer side of the composite cable body, and one end of the limit spring is fixedly connected to a first positioning seat, and the other end of the limit spring is fixedly connected to a second positioning seat, and the second positioning seat and the first positioning seat are both installed on the composite cable body;

[0007] The composite cable body comprises a wire core, and an inner shielding layer is fixedly installed on the outer side of the wire core, while the outer side of the inner shielding layer is wrapped with an outer shielding layer, and the outer side of the outer shielding layer is wrapped with a fixed outer sheath.

[0008] Preferably, the wire cores inside the composite cable body are evenly arranged in four groups, and the outer sides of the four groups of wire cores are isolated and shielded by inner shielding layers and outer shielding layers arranged in layers.

[0009] Preferably, the position where the limit spring is sleeved on the outside of the composite cable body is positioned and installed by a first positioning seat and a second positioning seat, and the first positioning seat and the second positioning seat are detachable structures on the outside of the composite cable body.

[0010] Preferably, the first positioning seat comprises a base wrapped around the outside of the composite cable body, and the outside of the base is covered with an upper cover, and the upper cover and the base are screwed and fixed by four sets of screws.

[0011] Preferably, connecting seats are fixedly provided at both ends of the upper cover, and through holes are provided on the connecting seats. Meanwhile, screw holes are provided at both ends of the base, and screws are passed through the through holes and screwed and fixed inside the screw holes.

[0012] Preferably, the bottom of the base is fixedly connected to the suction cup, and the first positioning seat is adsorbed and fixed by the suction cup at the bottom.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Put the limit spring on the position where the composite cable body needs to be bent. In this way, the bending angle of the composite cable body is limited to avoid excessive bending of the composite cable body, which may cause the wire core inside the cable to be bent and damaged, thus affecting the cable signal transmission;

[0015] 2. The composite cable body is inside the smart box and can be fixed inside the smart box by the suction cups at the bottom of the first positioning seat and the second positioning seat, so that the composite cable body can be firmly fixed inside the smart box to prevent the composite cable body from being loosely and scattered inside the smart box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the first positioning seat of the utility model;

[0018] Figure 3 The utility model structure Figure 1 A schematic cross-sectional structure diagram of ;

[0019] Figure 4 The utility model structure Figure 1 Side view of.

[0020] Numbers in the figure: 1, wire core; 2, inner shielding layer; 3, outer shielding layer; 4, outer sheath; 5, first positioning seat; 50, base; 51, screw hole; 52, connecting seat; 53, through hole; 54, screw; 55, upper cover; 56, suction cup; 6, limit spring; 7, second positioning seat; 8, composite cable body. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 The utility model provides a multi-layer shielded composite cable for an intelligent box transformer, comprising a composite cable body 8, a limit spring 6 is sleeved on the outer side of the composite cable body 8, and one end of the limit spring 6 is fixedly connected to a first positioning seat 5, and the other end of the limit spring 6 is fixedly connected to a second positioning seat 7, and the second positioning seat 7 and the first positioning seat 5 are both installed on the composite cable body 8;

[0023] The composite cable body 8 comprises a core 1 , and an inner shielding layer 2 is fixedly mounted on the outer side of the core 1 , while an outer shielding layer 3 is wrapped around the outer side of the inner shielding layer 2 , and an outer sheath 4 is wrapped around the outer side of the outer shielding layer 3 .

[0024] Working principle: During use, when the composite cable body 8 needs to be bent, positioned and installed, the limit spring 6 is installed on the position where the composite cable body 8 needs to be bent. In this way, the bending angle of the composite cable body 8 is limited to avoid excessive bending of the composite cable body 8, which may cause the wire core 1 inside the cable to be bent and damaged, thereby affecting the cable signal transmission.

[0025] As a preferred embodiment, the wire cores 1 inside the composite cable body 8 are evenly arranged in four groups, and the outer sides of the four groups of wire cores 1 are isolated and shielded by the inner shielding layer 2 and the outer shielding layer 3 arranged in layers.

[0026] The position where the limit spring 6 is sleeved on the outside of the composite cable body 8 is positioned and installed through the first positioning seat 5 and the second positioning seat 7, and the first positioning seat 5 and the second positioning seat 7 are detachable structures on the outside of the composite cable body 8.

[0027] like Figure 1-4 As shown: the position where the limit spring 6 is sleeved on the outside of the composite cable body 8 is positioned and installed through the first positioning seat 5 and the second positioning seat 7, which makes it easy to position the limit spring 6 at the position where the composite cable body 8 needs to be bent and installed, especially at the corner bending position inside the smart box.

[0028] As a preferred embodiment, the first positioning seat 5 includes a base 50 wrapped around the outside of the composite cable body 8, and the outside of the base 50 is covered with an upper cover 55, and the upper cover 55 and the base 50 are screwed and fixed by four sets of screws 54.

[0029] Connecting seats 52 are fixedly provided at both ends of the upper cover 55 , and through holes 53 are provided on the connecting seats 52 . Meanwhile, screw holes 51 are provided at both ends of the base 50 , and screws 54 pass through the through holes 53 and are screwed and fixed inside the screw holes 51 .

[0030] The composite cable body 8 is inside the smart box and can be fixed inside the smart box by the suction cups 56 at the bottom of the first positioning seat 5 and the second positioning seat 7, so that the composite cable body 8 can be firmly fixed inside the smart box to prevent the composite cable body 8 from being loosely and scattered inside the smart box.

[0031] The bottom of the base 50 is fixedly connected to the suction cup 56 , and the first positioning seat 5 is adsorbed and fixed by the suction cup 56 at the bottom.

[0032] 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 multi-layer shielded composite cable for an intelligent box-type transformer, comprising a composite cable body (8), characterized in that: The outer side of the composite cable body (8) is sleeved with a limit spring (6), and one end of the limit spring (6) is fixedly connected to the first positioning seat (5), while the other end of the limit spring (6) is fixedly connected to the second positioning seat (7), and the second positioning seat (7) and the first positioning seat (5) are both mounted on the composite cable body (8); The composite cable body (8) comprises a wire core (1), and an inner shielding layer (2) is fixedly installed on the outer side of the wire core (1), while the outer side of the inner shielding layer (2) is wrapped with an outer shielding layer (3), and the outer side of the outer shielding layer (3) is wrapped with a fixed outer sheath (4); The wire cores (1) inside the composite cable body (8) are evenly arranged in four groups, and the outer sides of the four groups of wire cores (1) are isolated and shielded by inner shielding layers (2) and outer shielding layers (3) arranged in layers; the position where the limit spring (6) is sleeved on the outer side of the composite cable body (8) is positioned and installed by a first positioning seat (5) and a second positioning seat (7), and the first positioning seat (5) and the second positioning seat (7) are detachable structures on the outer side of the composite cable body (8); the first positioning seat (5) includes a base (50) wrapped around the outer side of the composite cable body (8), and the base (50) The upper cover (55) is covered on the outer side of the base (50), and the upper cover (55) and the base (50) are screwed and fixed by four sets of screws (54); both ends of the upper cover (55) are fixedly provided with connecting seats (52), and the connecting seats (52) are provided with through holes (53); both ends of the base (50) are provided with screw holes (51), and the screws (54) pass through the through holes (53) and are screwed and fixed inside the screw holes (51); the bottom of the base (50) is fixedly connected to the suction cup (56), and the first positioning seat (5) is adsorbed and fixed by the suction cup (56) at the bottom.

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