Compact double-layer prefabricated substation

Abstract

The utility model provides a compact double-layer prefabricated substation, which comprises a box body, a transformer, a high-voltage cabinet, a low-voltage cabinet, a high-voltage cable and a low-voltage copper bar, the transformer, the high-voltage cabinet and the low-voltage cabinet are mounted on the inner side of the box body, the high-voltage cable and the low-voltage copper bar are electrically connected with the transformer, and a first ceramic seat and a second ceramic seat are sleeved on the inner side of the box body. According to the compact double-layer prefabricated substation, the first copper bar and the second copper bar are matched, so that the high-voltage cable and the low-voltage copper bar can be electrically connected with the first copper bar and the second copper bar through the second copper bolt and the first copper bolt respectively; meanwhile, through the third copper bar, the high-voltage cabinet and the low-voltage cabinet can be electrically connected with the first copper bar and the second copper bar through the first copper bolts respectively, and through the adoption of the structure, circuits between the upper layer and the lower layer can be independently connected through the first copper bar and the second copper bar respectively; and circuit connection among the transformer, the high-voltage cabinet and the low-voltage cabinet does not influence each other, so that the high-voltage cabinet and the low-voltage cabinet can be assembled conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of prefabricated transformer substation, and particularly discloses a compact double-layer prefabricated transformer substation. BACKGROUND

[0002] Chinese patent application No. CN202322532383.4 discloses a compact double-layer prefabricated transformer substation; comprising a first layer high-low voltage chamber, a second layer transformer chamber and a top cover, the second layer transformer chamber is arranged above the first layer high-low voltage chamber, a ventilation slot is arranged between the first layer high-low voltage chamber and the second layer transformer chamber, and the top cover is arranged above the second layer transformer chamber.

[0003] The transformer described above is electrically connected with the high-voltage cabinet and the low-voltage cabinet through high-voltage cables and low-voltage copper bars respectively, and since the high-voltage cables and the low-voltage copper bars need to pass through the ventilation slot to be electrically connected with the high-voltage cabinet and the low-voltage cabinet, the assembly of the high-voltage cabinet and the low-voltage cabinet is relatively troublesome. SUMMARY

[0004] In view of the above defects or deficiencies in the prior art, the present application aims to provide a compact double-layer prefabricated transformer substation, which comprises a box body and a transformer, a high-voltage cabinet and a low-voltage cabinet installed inside the box body, high-voltage cables and low-voltage copper bars electrically connected with the transformer, a first ceramic seat and a second ceramic seat sleeved on the inside of the box body, a first copper bar and a second copper bar respectively arranged inside the first ceramic seat and the second ceramic seat, a third ceramic seat and a fourth ceramic seat fixedly installed on the top of the high-voltage cabinet and the low-voltage cabinet respectively, a third copper bar electrically connected with the high-voltage cabinet and the low-voltage cabinet respectively arranged inside the third ceramic seat and the fourth ceramic seat, the third copper bar corresponding to the first copper bar and the second copper bar respectively, a second copper bolt sleeved on the outside of the bottom end of the high-voltage cable sleeved inside the first copper bar, the first copper bar and the third copper bar fixedly connected by the first copper bolt, the second copper bar and the low-voltage copper bar and the third copper bar fixedly connected by the first copper bolt, and mounting holes formed in the first copper bar and the second copper bar.

[0005] Preferably, the top of the first ceramic seat is provided with a clamping groove.

[0006] Preferably, the outside of one end of the first copper bolt is provided with a rectangular boss matched with the mounting hole.

[0007] Preferably, the end face of the second copper bolt is provided with a rectangular clamping block matched with the clamping groove.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] 1、The compact double-layer preassembled transformer substation, through cooperation of the first copper bar and the second copper bar, enables the high-voltage cable and the low-voltage copper bar to be electrically connected with the first copper bar and the second copper bar through the second copper bolt and the first copper bolt respectively, and through the third copper bar, enables the high-voltage cabinet and the low-voltage cabinet to be electrically connected with the first copper bar and the second copper bar through the first copper bolt respectively, adopts the structure, enables the circuits between the upper layer and the lower layer to be connected separately through the first copper bar and the second copper bar respectively, and the circuit connection between the transformer, the high-voltage cabinet and the low-voltage cabinet does not affect each other, so as to facilitate assembly of the high-voltage cabinet and the low-voltage cabinet.

[0010] 2、The compact double-layer preassembled transformer substation, through cooperation of the clamping groove and the rectangular clamping block, can limit the second copper bolt and prevent the second copper bolt from rotating, and then after the copper nut on the second copper bolt is tightened and fixed, the high-voltage cable can be pressed and fixed in the inside of the second copper bolt through the first copper bar. BRIEF DESCRIPTION OF DRAWINGS

[0011] Other characteristics, objects and advantages of the application will become more apparent from the following detailed description of non-restrictive embodiments, made with reference to the annexed drawings:

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a first ceramic seat schematic view of the utility model;

[0014] Figure 3 It is a second ceramic seat schematic view of the utility model;

[0015] Figure 4 It is a first ceramic bolt schematic view of the utility model;

[0016] Figure 5 It is a second ceramic bolt schematic view of the utility model.

[0017] In the drawing: 1, box body; 2, transformer; 3, high-voltage cabinet; 4, low-voltage cabinet; 5, high-voltage cable; 6, low-voltage copper bar; 7, first ceramic seat; 8, second ceramic seat; 9, first copper bar; 10, second copper bar; 11, third ceramic seat; 12, fourth ceramic seat; 13, third copper bar; 14, first copper bolt; 15, second copper bolt; 16, mounting hole; 17, clamping groove; 18, rectangular boss; 19, rectangular clamping block. DETAILED DESCRIPTION

[0018] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the parts related to the utility model are shown in the drawings.

[0019] The different kinds of section lines in the drawings of the embodiments of the utility model are not marked according to the national standard, and the material of the element is not required, which is to distinguish the section view of the element in the drawings.

[0020] Please refer to Figures 1-5 A compact double-layer prefabricated transformer substation, comprising a box body 1 and a transformer 2, a high-voltage cabinet 3 and a low-voltage cabinet 4 installed on the inner side of the box body 1, a high-voltage cable 5 and a low-voltage copper bar 6 electrically connected with the transformer 2, the inner side of the box body 1 is sleeved with a first ceramic seat 7 and a second ceramic seat 8, the inner side of the first ceramic seat 7 and the second ceramic seat 8 is provided with a first copper bar 9 and a second copper bar 10 respectively, the first ceramic seat 7 and the second ceramic seat 8 can be used for insulating and protecting the first copper bar 9 and the second copper bar 10 respectively, the top of the high-voltage cabinet 3 and the low-voltage cabinet 4 is fixedly installed with a third ceramic seat 11 and a fourth ceramic seat 12 respectively, the inner side of the third ceramic seat 11 and the fourth ceramic seat 12 is provided with a third copper bar 13 electrically connected with the high-voltage cabinet 3 and the low-voltage cabinet 4 respectively, and the third copper bar 13 is distributed one by one between the first copper bar 9 and the second copper bar 10, the inner side of the first copper bar 9 is sleeved with a second copper bolt 15 sleeved on the outer side of the bottom end of the high-voltage cable 5, and the first copper bar 9 and the third copper bar 13 are fixedly connected through the first copper bolt 14, the second copper bar 10 and the low-voltage copper bar 6 and the third copper bar 13 are fixedly connected through the first copper bolt 14, the outer side of the first copper bolt 14 and the second copper bolt 15 is threadedly sleeved with a copper nut, by using the bolt and the nut of the same material as the copper bar, the parts in contact with the high-voltage cable 5, the low-voltage copper bar 6, the first copper bar 9, the second copper bar 10 and the third copper bar 13 are not easy to produce electric corrosion, so as to ensure that the upper and lower layer circuits can be stably electrically connected, and the inner side of the first copper bar 9 and the second copper bar 10 is provided with a mounting hole 16.

[0021] The top of the first ceramic seat 7 is provided with a clamping groove 17.

[0022] The outer side of one end of the first copper bolt 14 is provided with a rectangular boss 18 matched with the mounting hole 16, the cooperation of the mounting hole 16 and the rectangular boss 18 can limit the first copper bolt 14 and prevent the first copper bolt 14 from rotating, so as to facilitate the operator to tighten and fix the copper nut on the first copper bolt 14 from the outer side of the box body 1.

[0023] The end face of the second copper bolt 15 is provided with a rectangular clamping block 19 matched with the clamping groove 17, the cooperation of the clamping groove 17 and the rectangular clamping block 19 can limit the second copper bolt 15, so that the operator can tighten the copper nut on the second copper bolt 15 from the outside of the box body 1, and when the copper nut on the second copper bolt 15 is loose, the high-voltage cable 5 can be disengaged from the limitation, so as to facilitate the disassembly and assembly of the high-voltage cable 5.

[0024] When assembling the high-voltage cabinet 3 and the low-voltage cabinet 4, first, the high-voltage cable 5 and the low-voltage copper bar 6 are electrically connected with the transformer 2, the high-voltage cable 5 is sleeved in the second copper bolt 15, and the copper nuts on the second copper bolt 15 are tightened one by one, the low-voltage copper bar 6 and the third copper bar 13 are fixedly connected one by one through the first copper bolt 14, the circuits in the high-voltage cabinet 3 and the low-voltage cabinet 4 are electrically connected with the third copper bar 13 respectively, the high-voltage cabinet 3 and the low-voltage cabinet 4 are installed on the lower layer of the box body 1, the first copper bar 9 and the third copper bar 13 are fixedly connected one by one through the first copper bolt 14, the second copper bar 10 and the third copper bar 13 are fixedly connected one by one through the first copper bolt 14, and the assembly of the high-voltage cabinet 3 and the low-voltage cabinet 4 is completed. The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the utility model range involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers other technical solutions formed by the combination of the above technical features or their equivalent features without departing from the utility model concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

Claims

1. A compact double-layer prepackaged transformer substation, comprising a box (1) and a transformer (2), a high-voltage cabinet (3) and a low-voltage cabinet (4) installed inside the box (1), a high-voltage cable (5) and a low-voltage copper bar (6) electrically connected with the transformer (2), characterized in that: The inner side of the box (1) is sleeved with a first ceramic seat (7) and a second ceramic seat (8), the inner side of the first ceramic seat (7) and the second ceramic seat (8) is respectively provided with a first copper bar (9) and a second copper bar (10), the top of the high-voltage cabinet (3) and the low-voltage cabinet (4) is respectively fixedly provided with a third ceramic seat (11) and a fourth ceramic seat (12), the inner side of the third ceramic seat (11) and the fourth ceramic seat (12) is respectively provided with a third copper bar (13) which is electrically connected with the high-voltage cabinet (3) and the low-voltage cabinet (4), and the third copper bar (13) is one-to-one corresponding with the first copper bar (9) and the second copper bar (10), the inner side of the first copper bar (9) is sleeved with a second copper bolt (15) which is sleeved on the outer side of the bottom end of the high-voltage cable (5), and the first copper bar (9) and the third copper bar (13) are fixedly connected through the first copper bolt (14), the second copper bar (10) is fixedly connected with the low-voltage copper bar (6) and the third copper bar (13) through the first copper bolt (14), and the inner side of the first copper bar (9) and the second copper bar (10) is provided with a mounting hole (16).

2. A compact double-decker prepackaged electrical substation according to claim 1, characterized in that: The top of the first ceramic seat (7) is provided with a clamping groove (17).

3. A compact double-decker prepackaged electrical substation according to claim 1, characterized in that: The outer side of one end of the first copper bolt (14) is provided with a rectangular boss (18) which is matched with the mounting hole (16).

4. A compact double-decker prepackaged electrical substation according to claim 2, characterized in that: The end surface of the second copper bolt (15) is provided with a rectangular clamping block (19) which is matched with the clamping groove (17).

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