110kV transformer substation ring-in and ring-out wiring structure

Abstract

The utility model relates to the technical field of transformer substation wiring, in particular to a 110kV transformer substation ring-in and ring-out wiring structure which comprises a wiring supporting plate, a plurality of wire grooves are formed in the top of the wiring supporting plate, binding posts are arranged at the two ends of each wire groove, branch wires are fixedly connected to the inner sides of the binding posts, round grooves are formed in the middles of the wire grooves, and the round grooves are connected with the branch wires. The branch wires penetrate through the circular grooves, and the bottoms of the circular grooves are rotationally connected with first gears. Compared with the prior art, the utility model has the advantages that the first gear with the wiring bus is arranged below the two branch wires, and the branch wire core is arranged in the first gear, so that the first gear can be electrically connected with the branch wires, and when electric wires on the two binding posts need to be exchanged, the first gear can be directly rotated to drive the wiring bus and the branch wire core to rotate by 180 degrees, so that the exchange of the electric wires on the two binding posts is realized. And the branch wire cores which are respectively butted with the branch wires are subjected to arc exchange, so that the exchange of the circuit is realized under the condition that the connecting wires of the binding posts do not need to be disassembled and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer substation wiring, in particular to a 110kV transformer substation ring-in and ring-out wiring structure. Background Art

[0002] The ring-in and ring-out wiring structure of a 110kV substation is usually used to improve the reliability and flexibility of power supply. The basic idea of ​​this wiring structure is to connect two or more power sources through a ring network so that when any power source fails, the other power sources can continue to supply power. The ring-in and ring-out wiring structure of a 110kV substation needs to consider many factors such as power supply reliability, economy, convenience of expansion, operational flexibility and convenience of maintenance.

[0003] A 110kV substation ring-in and ring-out wiring structure disclosed in Chinese patent CN202221323899.7 can conveniently connect the connecting wires to the top cover, and then connect multiple connecting wires together in a ring-in and ring-out manner with the help of the plug-in block on the top cover and the connecting block in the frame. The frame and two top covers constituting the wiring device can be conveniently disassembled through the cooperation of the shell, slide bar, spring, card block, block, slide groove and bayonet, making it more convenient for line switching. However, the 110kV substation ring-in and ring-out wiring structure utilizes structures such as clamping frames and screws to electrically clamp and connect the lines. When the positive and negative poles of the line are connected incorrectly or the positive and negative poles of the line need to be swapped, the line wires must be disassembled and rewired, and the replacement efficiency is low. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a 110kV substation ring-in and ring-out wiring structure, which effectively solves the shortcomings of the prior art.

[0005] The purpose of the utility model is achieved through the following technical solutions: a 1000 kV substation ring-in and ring-out wiring structure, including a wiring support plate, a plurality of wire grooves are opened on the top of the wiring support plate, both ends of the wire grooves are provided with wiring posts, the inner sides of the wiring posts are fixedly connected with branch lines, a circular groove is opened in the middle of the wire groove, the branch lines all pass through the circular groove, the bottom of the circular groove is rotatably connected to a first gear, and a wiring bus is provided below the first gear.

[0006] Optionally, one end of the branch line is electrically connected to the terminal, and the other end of the branch line passes through the circular groove and is kept fixed in a vertical state.

[0007] Optionally, two branch wires are arranged inside the wiring bus, the wiring bus is electrically connected to the substation, the bottom of the first gear is fixedly connected to the wiring bus, two branch wire cores are fixedly connected inside the first gear, the branch wire cores are respectively fixedly connected to the branch wires inside the wiring bus, and the position and shape of the branch wire cores are adapted to the position and shape of the branch wires.

[0008] The above technical solution is adopted: by arranging a first gear with a wiring bus under the two branch lines, and arranging a branch line core in the first gear so that it can be electrically connected to the branch line. When the wires on the two terminal posts need to be swapped, the first gear can be directly rotated to drive the wiring bus and the branch line core to rotate one hundred and eighty degrees, so that the arcs of the branch line cores respectively connected to the branch lines are swapped, and the line swapping can be achieved without disassembling and replacing the wires connected to the terminal posts, making the wiring adjustment of the wiring structure faster and more convenient.

[0009] Optionally, the outer side of the terminal is threaded, a nut is threadedly connected to the outer side of the terminal, and a terminal plate is fixedly connected to the bottom of the terminal.

[0010] The above technical solution is adopted: by arranging a nut on the outside of the terminal, rotating the nut can press the core of the connecting wire between the nut and the terminal plate, so that the connecting wire and the branch line maintain a stable connection state.

[0011] Optionally, a plurality of slots are formed on one side of the bottom of the wiring support plate, and the inner sides of the slots are rotatably connected to second gears, and the number of positions of the slots and the second gears corresponds to the number of positions of the wire troughs.

[0012] Optionally, one side of the second gear is meshed with the first gear, and one side of the second gear is located outside the slot.

[0013] The above technical solution is adopted: by setting a second gear on one side of the first gear and extending one side of it out of the slot, the operator can control the rotation of the first gear and the branch line core by turning the second gear on one side of the wiring support plate, thereby realizing the swap of the branch line connection relationship and improving the adjustment efficiency during the wiring process.

[0014] The utility model has the following advantages:

[0015] 1. The ring-in and ring-out wiring structure of the 1000 kV substation is provided with a first gear with a wiring bus below two branch lines, and a branch line core is provided in the first gear so that it can be electrically connected to the branch line. When the wires on the two terminal posts need to be swapped, the first gear can be directly rotated to drive the wiring bus and the branch line core to rotate 180 degrees, so that the arcs of the branch line cores respectively connected to the branch lines are swapped, and the line swap is realized without disassembling and replacing the wires connected to the terminal posts, making the wiring adjustment of the wiring structure faster and more convenient.

[0016] 2. The ring-in and ring-out wiring structure of the 1000 kV substation has a nut on the outside of the terminal. Rotating the nut can press the core of the connecting wire between the nut and the terminal plate, so that the connecting wire and the branch line maintain a stable connection state.

[0017] 3. The ring-in and ring-out wiring structure of the 1000 kV substation is provided with a second gear on one side of the first gear, and one side of the second gear is extended out of the slot, so that the operator can control the rotation of the first gear and the branch line core by rotating the second gear on one side of the wiring support plate, thereby realizing the swap of the power connection relationship with the branch line and improving the adjustment efficiency during the wiring process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 3 It is a rear view structural schematic diagram of the utility model;

[0021] Figure 4 It is a cross-sectional structural schematic diagram of the utility model;

[0022] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0023] In the figure: 1-wiring support plate, 2-wire slot, 3-wiring post, 4-branching line, 5-round slot, 6-first gear, 7-wiring bus, 8-branching line core, 9-nut, 10-slot, 11-second gear. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] like Figures 1 to 5 As shown, a 110kV substation ring-in and ring-out wiring structure includes a wiring support plate 1, a plurality of wire troughs 2 are provided on the top of the wiring support plate 1, wiring posts 3 are provided at both ends of the wire troughs 2, branch lines 4 are fixedly connected to the inner sides of the wiring posts 3, a circular groove 5 is provided in the middle of the wire trough 2, the branch lines 4 all pass through the circular groove 5, the bottom of the circular groove 5 is rotatably connected to a first gear 6, and a wiring bus 7 is provided below the first gear 6.

[0026] Embodiment 1: One end of the branch line 4 is electrically connected to the terminal post 3, and the other end of the branch line 4 passes through the circular groove 5 and is kept in a vertical state.

[0027] Embodiment 2: Two branch wires are arranged inside the wiring bus 7, and the wiring bus 7 is electrically connected to the substation. The bottom of the first gear 6 is fixedly connected to the wiring bus 7, and two branch wire cores 8 are fixedly connected inside the first gear 6. The branch wire cores 8 are respectively fixedly connected to the branch wires inside the wiring bus 7, and the position and shape of the branch wire cores 8 are adapted to the position and shape of the branch wires 4. By arranging the first gear 6 with the wiring bus 7 below the two branch wires 4 and arranging the branch wire cores 8 inside the first gear 6, it can be electrically connected to the branch wire 4. When the wires on the two terminal posts 3 need to be swapped, the first gear 6 can be directly rotated to drive the wiring bus 7 and the branch wire cores 8 to rotate one hundred and eighty degrees, so that the arcs of the branch wire cores 8 respectively connected to the branch wires 4 are swapped, and the line swapping can be achieved without disassembling and replacing the wires connected to the terminal posts 3, making the wiring adjustment of the wiring structure faster and more convenient.

[0028] Embodiment 3: The outer side of the terminal 3 is threaded, and a nut 9 is threadedly connected to the outer side of the terminal 3. A terminal plate is fixedly connected to the bottom of the terminal 3. By arranging a nut 9 on the outer side of the terminal 3, rotating the nut 9 can press the core of the connecting wire between the nut 9 and the terminal plate, so that the connecting wire and the branch line maintain a stable connection state.

[0029] Embodiment 4: A plurality of slots 10 are provided on one side of the bottom of the wiring support plate 1 , and the inner sides of the slots 10 are rotatably connected to the second gears 11 . The number of the slots 10 and the second gears 11 corresponds to the number of the wire slots 2 .

[0030] Embodiment 5: One side of the second gear 11 is meshed with the first gear 6, and one side of the second gear 11 is located on the outside of the slot 10. By setting the second gear 11 on one side of the first gear 6 and extending one side of the second gear 11 out of the slot 10, the operator can control the rotation of the first gear 6 and the branch line core 8 by rotating the second gear 11 on one side of the wiring support plate 1, thereby realizing the swap of the electrical connection relationship with the branch line 4 and improving the adjustment efficiency during the wiring process.

[0031] The working principle of the utility model is as follows:

[0032] S1. A first gear 6 with a wiring bus 7 is provided below the two branch lines 4, and a branch line core 8 is provided in the first gear 6 so that it can be electrically connected to the branch line 4. When the wires on the two terminal posts 3 need to be swapped, the first gear 6 can be directly rotated to drive the wiring bus 7 and the branch line core 8 to rotate 180 degrees, so that the arcs of the branch line cores 8 respectively connected to the branch lines 4 are swapped, and the line swap is achieved without disassembling and replacing the wires connected to the terminal posts 3, making the wiring adjustment of the wiring structure faster and more convenient;

[0033] S2. The operator rotates the second gear 11 on one side of the wiring support plate 1 to control the rotation of the first gear 6 and the branch line core 8, thereby realizing the exchange of the electrical connection relationship with the branch line 4 and improving the adjustment efficiency during the wiring process.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] 1. The 110kV substation ring-in and ring-out wiring structure is configured by arranging a first gear 6 with a wiring bus 7 under two branch lines 4, and arranging a branch line core 8 in the first gear 6 so that it can be electrically connected to the branch line 4. When the wires on the two terminal posts 3 need to be swapped, the first gear 6 can be directly rotated to drive the wiring bus 7 and the branch line core 8 to rotate 180 degrees, so that the arcs of the branch line cores 8 respectively connected to the branch lines 4 are swapped, and the line swap is achieved without disassembling and replacing the wires connected to the terminal posts 3, making the wiring adjustment of the wiring structure faster and more convenient.

[0036] 2. The 110kV substation ring-in and ring-out wiring structure has a nut 9 arranged on the outside of the terminal 3. Rotating the nut 9 can press the core of the connecting wire between the nut 9 and the terminal plate, so that the connecting wire and the branch line maintain a stable connection state.

[0037] 3. The 110kV substation ring-in and ring-out wiring structure is configured with a second gear 11 on one side of the first gear 6, and one side of the second gear 11 extends out of the slot 10, so that the operator can control the rotation of the first gear 6 and the branch line core 8 by rotating the second gear 11 on one side of the wiring support plate 1, thereby realizing the swap of the electrical connection relationship with the branch line 4 and improving the adjustment efficiency during the wiring process.

Claims

1. A 110kV substation ring-in and ring-out wiring structure, characterized in that: The invention comprises a wiring support plate (1), wherein a plurality of wire grooves (2) are provided on the top of the wiring support plate (1), both ends of the wire grooves (2) are provided with terminal posts (3), the inner sides of the terminal posts (3) are fixedly connected with branch lines (4), a circular groove (5) is provided in the middle of the wire groove (2), the branch lines (4) pass through the circular groove (5), the bottom of the circular groove (5) is rotatably connected with a first gear (6), and a wiring bus (7) is provided below the first gear (6).

2. A 110kV substation ring-in and ring-out wiring structure according to claim 1, characterized in that: One end of the branch line (4) is electrically connected to the terminal post (3), and the other end of the branch line (4) passes through the circular groove (5) and is kept in a vertical state and fixed.

3. A 110kV substation ring-in and ring-out wiring structure according to claim 2, characterized in that: Two branch wires are arranged inside the wiring bus (7), the wiring bus (7) is electrically connected to the substation, the bottom of the first gear (6) is fixedly connected to the wiring bus (7), two branch wire cores (8) are fixedly connected inside the first gear (6), the branch wire cores (8) are respectively fixedly connected to the branch wires inside the wiring bus (7), and the position and shape of the branch wire cores (8) are adapted to the position and shape of the branch wire (4).

4. A 110kV substation ring-in and ring-out wiring structure according to claim 3, characterized in that: The outer side of the terminal post (3) is threaded, a nut (9) is threadedly connected to the outer side of the terminal post (3), and a terminal plate is fixedly connected to the bottom of the terminal post (3).

5. A 110kV substation ring-in and ring-out wiring structure according to claim 4, characterized in that: A plurality of slots (10) are provided on one side of the bottom of the wiring support plate (1), the inner sides of the slots (10) are rotatably connected to second gears (11), and the number of positions of the slots (10) and the second gears (11) corresponds to the number of positions of the wire troughs (2).

6. A 110kV substation ring-in and ring-out wiring structure according to claim 5, characterized in that: One side of the second gear (11) is meshed with the first gear (6), and one side of the second gear (11) is located outside the slot (10).

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