Internal wiring connecting device of power distribution cabinet

Abstract

The utility model relates to the technical field of power distribution cabinet accessories, in particular to a power distribution cabinet internal wiring connecting device which comprises a wiring track cover installed on the inner wall of a power distribution cabinet, fixing lugs are symmetrically arranged on the two sides of the wiring track cover, and a plurality of groups of separation strips are arranged in the wiring track cover. The cross section of the wiring track cover is in a U shape, and the wiring track cover comprises an insulating inner layer arranged inside and an explosion-proof shell arranged outside. The wiring track cover is installed on the inner wall of the power distribution cabinet, and the fixing lugs symmetrically arranged on the two sides of the wiring track cover ensure stable installation; a plurality of groups of separation strips arranged in the wiring track cover divide the wiring groove into a plurality of wiring separation areas, so that the wire layout is more orderly; the cross section of the wiring track cover is designed to be U-shaped, the wiring track cover comprises an internal insulating inner layer and an external explosion-proof shell, and a flame-retardant material layer is arranged between the insulating inner layer and the explosion-proof shell, so that the internal safety performance of the power distribution cabinet is jointly improved, and potential safety hazards such as wire short circuit and fire caused by sparks are effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switchgear accessories, in particular to switchgear internal wiring connection device. BACKGROUND

[0002] With the continuous development and improvement of the power system, as a crucial component of the power system, the internal wiring technology of the switchgear directly affects the stability and safety of the power system. The internal wiring technology of the switchgear refers to the technology of reasonably arranging and connecting various wires, cables, etc. in the switchgear according to specific specifications and standards. This technology not only concerns the normal operation of the power system, but also directly relates to the safety of the operating personnel and the maintenance of the equipment. The traditional internal wiring of the switchgear often lacks unified planning and design, resulting in the wires, cables, etc. being randomly stacked together, which not only affects the appearance, but also easily causes safety hazards. Due to the disorganized wiring, lack of effective fixation and protection measures, and insufficient flame retardant and explosion-proof performance, the maintenance and repair of the internal wiring of the switchgear become very difficult, increasing the labor intensity and safety risk of the operating personnel. SUMMARY

[0003] The utility model aims at providing switchgear internal wiring connection device to solve the problem of disorganized internal wiring and difficult maintenance of the existing switchgear in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The switchgear internal wiring connection device comprises a wiring track cover installed on the inner wall of the switchgear, two symmetrical fixed ears are arranged on the two sides of the wiring track cover, and a plurality of groups of partition strips are arranged in the wiring track cover.

[0006] The cross section of the wiring track cover is U-shaped, the wiring track cover comprises an insulating inner layer arranged inside and an explosion-proof shell arranged outside, and a flame-retardant material layer is arranged between the insulating inner layer and the explosion-proof shell.

[0007] The wiring groove in the wiring track cover is divided into a plurality of wiring partition areas by the plurality of groups of partition strips.

[0008] As a preferred, the flame-retardant material layer adopts a polyolefin flame-retardant layer, and the thickness is 1-3mm.

[0009] As a preferred, the surface of the explosion-proof shell is provided with a corrosion-resistant paint layer.

[0010] As a preferred, the thickness of the corrosion-resistant paint layer is 0.25-0.5mm.

[0011] As preferred, a plurality of locking holes are arranged in a straight line on the fixing lug, and the fixing lug is screwed to the inner wall of the power distribution cabinet through the locking holes.

[0012] As preferred, a shock-absorbing pad with a thickness of 1-3 mm is arranged on the side of the fixing lug in contact with the surface of the power distribution cabinet.

[0013] As preferred, the partition strip comprises a flame-retardant material layer and an insulating inner layer arranged on both sides.

[0014] As preferred, a plurality of groups of wire inlet and outlet holes are arranged on the inner wall of the power distribution cabinet, and the diameter of the wire outlet hole is the same as the width of the wiring groove in the wiring track cover.

[0015] Compared with the prior art, the power distribution cabinet has the following beneficial effects:

[0016] 1. In the internal wiring connection device of the power distribution cabinet, the wiring track cover is installed on the inner wall of the power distribution cabinet, and the symmetrical fixing lugs on both sides ensure stable installation; the plurality of partition strips arranged in the wiring track cover divide the wiring groove into a plurality of wiring partition areas, so that the wire layout is more orderly. Meanwhile, the cross section of the wiring track cover is designed in a U shape, comprising an insulating inner layer and an explosion-proof shell, and a flame-retardant material layer is arranged between the two, which collectively improves the safety performance of the power distribution cabinet, effectively preventing potential safety hazards such as wire short circuit and spark-induced fire.

[0017] 2. In the internal wiring connection device of the power distribution cabinet, the flame-retardant material layer is a polyolefin flame-retardant layer with a thickness of 1-3 mm, so that the wiring track cover has higher flame-retardant performance, effectively slows down the spread of fire, improves safety, and the surface of the explosion-proof shell is provided with a corrosion-resistant paint layer with a thickness of 0.25-0.5 mm, so that the explosion-proof shell can effectively resist the erosion of external corrosive substances and prolong the service life of the equipment.

[0018] 3. In the internal wiring connection device of the power distribution cabinet, the partition strip comprises a flame-retardant material layer and an insulating inner layer arranged on both sides, so that the partition strip not only has the function of separating wires, but also improves the flame-retardant performance of the entire wiring track cover; a plurality of groups of wire inlet and outlet holes are arranged on the inner wall of the power distribution cabinet, and the diameter of the wire outlet hole is the same as the width of the wiring groove in the wiring track cover, so that the wires can conveniently and neatly enter and exit the wiring track cover, improving the efficiency and aesthetics of wiring. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to make a further detailed explanation together with embodiments of the present application, but do not constitute a limitation on the present application.

[0020] Fig. 1A structure schematic view of the utility model;

[0021] Fig. 2 A cross section structure schematic view of the utility model;

[0022] Fig. 3 A structure schematic view of the utility model installed in the power distribution cabinet;

[0023] 10, wiring track cover;11, wiring separation area;101, insulating inner layer;102, flame retardant material layer;103, explosion-proof shell;104, anticorrosive paint layer;

[0024] 20, fixing lug;21, locking hole;22, shock pad;

[0025] 30, separation strip;

[0026] 40, power distribution cabinet;41, electrical accessory;42, access hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the embodiments of the utility model and the drawings in the specification, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "vertical", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0029] The power distribution cabinet internal wiring connecting device, such as Figs. 1-3As shown, the wiring track cover 10 is installed on the inner wall of the power distribution cabinet 40, both sides of the wiring track cover 10 are symmetrically provided with fixing ears 20, and a plurality of groups of partition strips 30 are arranged in the wiring track cover 10; the cross section of the wiring track cover 10 is U-shaped, the wiring track cover 10 comprises an insulating inner layer 101 arranged inside and an explosion-proof shell 103 arranged outside, and a flame-retardant material layer 102 is arranged between the insulating inner layer 101 and the explosion-proof shell 103; the wiring slot in the wiring track cover 10 is divided into a plurality of wiring separation areas 11 by the plurality of groups of partition strips 30, and the wiring track cover 10 is installed on the inner wall of the power distribution cabinet 40 by being arranged, and the fixing ears 20 symmetrically arranged on both sides ensure stable installation; the plurality of groups of partition strips 30 arranged inside the wiring track cover 10 divide the wiring slot into a plurality of wiring separation areas 11, so that the layout of the wires is more orderly. At the same time, the cross section of the wiring track cover 10 is designed in a U-shaped structure, comprising an insulating inner layer 101 inside and an explosion-proof shell 103 outside, and a flame-retardant material layer 102 is arranged between the two, which together improves the safety performance of the power distribution cabinet, effectively preventing the safety hazards such as wire short circuit and spark-induced fire.

[0030] Further, the flame-retardant material layer 102 is made of a polyolefin flame-retardant layer with a thickness of 1-3mm, so that the wiring track cover 10 has higher flame-retardant performance, effectively slows down the spread of fire, and improves safety.

[0031] Among them, the surface of the explosion-proof shell 103 is provided with a corrosion-resistant paint layer 104, and the thickness of the corrosion-resistant paint layer 104 is 0.25-0.5mm, so that the explosion-proof shell 103 can effectively resist the erosion of external corrosive substances and prolong the service life of the equipment.

[0032] Specifically, a plurality of locking holes 21 arranged in a straight line at equal intervals are formed on the fixing ear 20, and the fixing ear 20 is screwed to the inner wall of the power distribution cabinet 40 through the locking holes 21, facilitating installation or disassembly, and making the installation of the wiring track cover 10 more stable and not easy to loosen.

[0033] It is worth noting that the side of the fixing ear 20 in contact with the surface of the power distribution cabinet 40 is provided with a shock-absorbing pad 22 with a thickness of 1-3mm, which effectively reduces the damage of the wiring track cover 10 when vibrating or impacting, and improves the stability and reliability of the equipment.

[0034] It is worth noting that the partition strip 30 comprises a flame-retardant material layer 102 and an insulating inner layer 101 arranged on both sides, so that the partition strip 30 not only has the function of separating the wires, but also improves the flame-retardant performance of the entire wiring track cover 10.

[0035] In addition, a plurality of groups of in-out wire holes 42 are formed on the inner wall of the power distribution cabinet 40, the diameter of the out-wire hole 42 is the same as the width of the wiring groove in the wiring track cover 10, so that the electric wire can conveniently and neatly enter and exit the wiring track cover 10, and the wiring efficiency and aesthetic degree are improved.

[0036] The working principle of the internal wiring connection device of the power distribution cabinet is as follows:

[0037] Firstly, the wiring track cover 10 is stably installed on the inner wall of the power distribution cabinet 40 through the locking holes 21 on the fixing ears 20 on both sides of the wiring track cover 10 by using fixing screws; during the installation process, the shock-absorbing pads 22 in contact with the surface of the power distribution cabinet 40 play a good shock-absorbing role;

[0038] Then, according to the layout requirements of the electric wire, the wiring groove is divided into a plurality of wiring separation areas 11 by using a plurality of groups of separation strips 30 in the wiring track cover 10; the design of the separation strips 30 enables the electric wire to be arranged in order, avoiding confusion and crossing;

[0039] Then, the electric wire is introduced into the wiring track cover 10 through the in-out wire holes 42 on the inner wall of the power distribution cabinet 40, and the diameter of the electric wire is matched with the width of the wiring groove, so as to be placed in the wiring separation area 11 in order;

[0040] During use, the insulating inner layer 101 and the explosion-proof shell 103 of the wiring track cover 10 jointly protect the electric wire from the interference and damage of the external environment; at the same time, the setting of the flame-retardant material layer 102 and the anticorrosive paint layer 104 further improves the safety and durability of the equipment.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An internal wiring connection device for a power distribution cabinet, characterized in that: Includes a wiring track cover (10) installed on the inner wall of the power distribution cabinet (40), wherein fixed ears (20) are symmetrically arranged on both sides of the wiring track cover (10), and several sets of partition strips (30) are arranged inside the wiring track cover (10); The wiring track cover (10) has a U-shaped cross section. The wiring track cover (10) includes an insulating inner layer (101) disposed inside and an explosion-proof outer shell (103) disposed outside. A flame-retardant material layer (102) is disposed between the insulating inner layer (101) and the explosion-proof outer shell (103). The wiring channel inside the wiring track cover (10) is divided into multiple wiring partition areas (11) by several sets of partition strips (30).

2. The wiring connection device inside the distribution cabinet according to claim 1, characterized in that: The flame retardant material layer (102) is a polyolefin flame retardant layer with a thickness of 1-3 mm.

3. The wiring connection device inside the distribution cabinet according to claim 1, characterized in that: The surface of the explosion-proof housing (103) is provided with an anti-corrosion paint layer (104).

4. The wiring connection device inside the distribution cabinet according to claim 3, characterized in that: The thickness of the anti-corrosion paint layer (104) is 0.25-0.5 mm.

5. The wiring connection device inside the distribution cabinet according to claim 1, characterized in that: The fixing ear (20) has several locking holes (21) arranged in a straight line with uniform and equidistant spacing. The fixing ear (20) is threaded to the inner wall of the power distribution cabinet (40) by fixing screws passing through the locking holes (21).

6. The wiring connection device inside the distribution cabinet according to claim 5, characterized in that: The side of the fixed ear (20) that contacts the surface of the distribution cabinet (40) is provided with a shock-absorbing pad (22) with a thickness of 1-3mm.

7. The wiring connection device inside the distribution cabinet according to claim 1, characterized in that: The separator (30) includes a flame-retardant material layer (102) and an insulating inner layer (101) disposed on both sides.

8. The wiring connection device inside the distribution cabinet according to claim 1, characterized in that: The inner wall of the power distribution cabinet (40) is provided with several sets of inlet and outlet holes (42), and the diameter of the outlet hole (42) is the same as the width of the wiring groove inside the wiring track cover (10).

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