CN108429226A - A kind of cable connector switchgear - Google Patents

Abstract

The invention discloses a switchgear for cable joints, which comprises a switchgear body, a plurality of cable joints are arranged in the switchgear body, and insulation for separating the cable joints to realize insulation is provided between adjacent cable joints on the switchgear body. The barrier plate is provided with an insulating sheath on the cable joint jacket, and the insulating sheath includes an installation cavity for accommodating the cable joint. Applying the switchgear for cable joints provided by the present invention, the cable joints are isolated from the external environment by setting insulating sleeves on the cable joints, so as to prevent the shock caused by the bare metal leakage of the cable joints due to insufficient insulation strength due to moisture in the external environment. Insulation barriers are installed between adjacent cable joints to prevent air breakdown between exposed metals between cable joints. The double insulation of insulating sleeves and insulation barriers ensures the insulation strength of cable joints and ensures safe operation.

Description

A switch cabinet for cable joints

technical field

The invention relates to the field of electric equipment, and more specifically relates to a switch cabinet for cable joints.

Background technique

Conventional 35kV/10kV switchgear often has bare metal between the cable terminal and the busbar, which may cause insulation breakdown between the power cable terminal and the exposed metal part of the busbar due to insufficient insulation strength in the case of extremely humid weather , cause operation accidents, affect people's normal use, and cannot guarantee operation safety.

Contents of the invention

In view of this, the purpose of the present invention is to provide a switchgear for cable joints to solve the problem of insulation breakdown caused by insufficient insulation strength of cable terminals.

In order to achieve the above-mentioned first object, the present invention provides the following technical solutions:

A switchgear for cable joints, comprising a switchgear body, a plurality of cable joints are arranged in the switchgear body, and the switchgear body is provided with a spacer for separating the cable joints between the adjacent cable joints. An insulating barrier plate for insulation, an insulating sleeve is provided outside the cable joint, and the insulating sleeve includes an installation cavity for accommodating the cable joint.

Preferably, the insulating sleeve includes a first body and a second body, and the first body and the second body are detachably fixedly connected.

Preferably, the insulating sleeve includes a first body and a second body, one end of the first body and the second body is hinged, and the other end of the first body and the second body is detachably fixedly connected .

Preferably, one of the first body and the second body is provided with a fixing groove, and the other is provided with a fixing protrusion cooperating with the fixing groove.

Preferably, the insulating sleeve is specifically a radiation cross-linked modified polyolefin insulating sleeve.

Preferably, the insulating barrier plate is fixedly connected to the switch cabinet body via screws.

The switchgear for cable joints provided by the present invention includes a switchgear body, a plurality of cable joints are arranged in the switchgear body, and insulating barrier plates for separating the cable joints to realize insulation are arranged between adjacent cable joints on the switchgear body , the outer casing of the cable joint is provided with an insulating sleeve, and the insulating sleeve includes an installation cavity for accommodating the cable joint.

Applying the switchgear for cable joints provided by the present invention, the cable joints are isolated from the external environment by setting insulating sleeves on the cable joints, so as to prevent the shock caused by the bare metal leakage of the cable joints due to insufficient insulation strength due to moisture in the external environment. Insulation barriers are installed between adjacent cable joints to prevent air breakdown between exposed metals between cable joints, and the double insulation of insulating sleeves and insulation barriers ensures the insulation strength of cable joints and ensures operational safety.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of a switch cabinet for a cable joint provided by an embodiment of the present invention;

Fig. 2 is a side view structural schematic diagram of an insulating sleeve provided by an embodiment of the present invention;

Fig. 3 is a top view structural schematic diagram of Fig. 2;

FIG. 4 is a schematic diagram of the front view of FIG. 2 .

The marks in the attached drawings are as follows:

Switch cabinet body 1, insulating sleeve 2, insulating barrier plate 3, cable joint 4.

Detailed ways

The embodiment of the invention discloses a switchgear for cable joints to solve the problem of insulation breakdown caused by insufficient insulation strength of cable terminals.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-Fig. 4, Fig. 1 is a schematic structural diagram of a switchgear for a cable joint provided by an embodiment of the present invention; Fig. 2 is a schematic side view of the insulating sleeve provided by an embodiment of the present invention; Fig. 3 is a top view of Fig. 2 Schematic diagram of the structure; FIG. 4 is a schematic diagram of the front view of FIG. 2 .

In a specific embodiment, the switchgear for the cable joint 4 provided by the present invention includes a switchgear body 1, and a plurality of cable joints 4 are arranged in the switchgear body 1, and the adjacent cable joints 4 on the switchgear body 1 An insulating barrier plate 3 is provided for isolating the cable joint 4 to achieve insulation. The cable joint 4 is covered with an insulating sleeve 2 , and the insulating sleeve 2 includes an installation cavity for accommodating the cable joint 4 .

The switchgear body 1 is generally equipped with three-phase cable joints 4 and busbars. The busbars and three-phase cable joints 4 are connected through the exposed metal of the cable joints 4. An insulating barrier plate 3 is provided between adjacent cable joints 4 to prevent exposure. The metal air breaks down, and the insulating barrier plate 3 is set on the switch cabinet body 1. The two can be fixedly connected by screws. In one embodiment, they can also be fixed by bonding or other methods. The insulating sleeve 2 is set on the cable joint. The outer side of 4 is preferably sleeved on the outer side of the exposed metal of the cable joint 4 to achieve insulation on the exposed metal. The insulating sleeve 2 is provided with an installation cavity, and the shape and size of the installation cavity are not limited.

Applying the switchgear for the cable joint 4 provided by the present invention, the insulation cover 2 is provided on the cable joint 4 to realize the isolation of the cable joint 4 from the external environment, so as to prevent the exposed metal leakage of the cable joint 4 due to the humidity of the external environment due to the insulation strength. Insufficient breakdown phenomenon, and the insulating barrier plate 3 is set between the adjacent cable joints 4 to prevent the air breakdown between the exposed metal between the cable joints 4, and the double insulation of the insulating sleeve 2 and the insulating barrier plate 3 ensures that the cable The insulation strength of the joint 4 ensures the safety of operation.

Specifically, the insulating sleeve 2 includes a first body and a second body, and the first body and the second body are detachably fixedly connected. Specifically, it can be fixedly connected by bolts, and the bolts are easy to disassemble, and its disassembly and assembly are relatively convenient. The insulating sleeve 2 can be specifically made of plastic and other materials to achieve insulation.

In one embodiment, the insulating sleeve 2 includes a first body and a second body, one end of the first body and the second body is hinged, and the other end of the first body and the second body is detachably connected. This arrangement is fixed on one side, and the other side can be opened and closed, so as to facilitate the positioning of the first body and the second body. Preferably, the first body and the second body can realize the positioning of the other side through bolts or other methods .

Further, one of the first body and the second body is provided with a fixing groove, and the other is provided with a fixing protrusion matched with the fixing groove. The fixing of the first body and the second body is realized by means of buckle connection, the structure is simple, no external bolts are needed for fixing, and the cost is saved.

Specifically, the insulating sheath 2 is an insulating sheath 2 of radiation cross-linked modified polyolefin. In other embodiments, plastic or other insulating materials can also be selected, which can be selected according to needs, all within the protection scope of the present invention.

Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. a kind of cable connector switchgear, including switch cabinet body, the switch cabinet body is interior to be equipped with multiple cable connectors, It is characterized in that, is equipped between the adjacent cable connector for separating the cable connector to realize absolutely in the switch cabinet body The insulated barriers plate of edge, the cable connector are arranged with insulation sleeve outside, and the insulation sleeve includes for accommodating the cable connector Installation cavity.

2. cable connector switchgear according to claim 1, which is characterized in that the insulation sleeve include the first noumenon and Second ontology, the first noumenon are removably fixedly connected with second ontology.

3. cable connector switchgear according to claim 1, which is characterized in that the insulation sleeve include the first noumenon and One end of second ontology, the first noumenon and second ontology is hinged, the first noumenon and second ontology it is another One end is removably fixedly connected.

4. cable connector switchgear according to claim 3, which is characterized in that the first noumenon and second described One of body is equipped with fixing groove, and another one is equipped with the fixed lobe coordinated with the fixing groove.

5. cable connector switchgear according to claim 4, which is characterized in that the insulation sleeve is specially cross-linking radiation Improved polyalkene insulation sleeve.

6. cable connector switchgear according to claim 5, which is characterized in that the insulated barriers plate and the switch Cabinet ontology is fixedly connected through screw.