CN206211298U - Low-pressure electric cabinet cabinet and the low-pressure electric cabinet using the low-pressure electric cabinet cabinet - Google Patents

Abstract

The utility model relates to the field of electrical cabinets, in particular to a low-voltage electrical cabinet body and a low-voltage electrical cabinet using the low-voltage electrical cabinet body. The low-voltage electrical cabinet cabinet includes a cabinet body with an opening on the front side. The cabinet body is equipped with an incoming line room, an outgoing line room and a dual power supply control room. The described incoming line room, outgoing line room and dual power supply control room Distributed along the left and right directions. In the low-voltage electrical cabinet of the utility model, the incoming line room, the incoming line room, and the dual power supply control room of the low-voltage electric cabinet body are distributed along the left and right directions, and the space for arranging wiring circuits in each room is increased, and at the same time, it is also convenient for wiring, which solves the current problem The wiring inside the dual-power low-voltage electrical cabinet is complex and the space for wiring loops is limited.

Description

Low-voltage electrical cabinet body and low-voltage electrical cabinet using the low-voltage electrical cabinet body

technical field

The utility model relates to the field of electrical cabinets, in particular to a low-voltage electrical cabinet body and a low-voltage electrical cabinet using the low-voltage electrical cabinet body.

Background technique

The low-voltage electrical cabinet is an indispensable part of the box-type transformer in the rail power system. With the development of the box-type substation of rail transit equipment, users have increasingly high requirements for the reliability and safety of the low-voltage side. Dual power supply The power system has developed rapidly. For example, a Chinese patent with the announcement number CN204391519U and an announcement date of 2015.06.10 discloses a low-voltage power distribution cabinet. The cabinet body of the low-voltage power distribution cabinet includes a separate cable channel, an incoming line unit, and an outgoing line unit. The incoming line unit and the outgoing line unit are arranged in the front half of the cabinet body, and arranged side by side from top to bottom. The incoming line unit includes an incoming line switch and a dual power supply switching switch arranged side by side up and down. When in use, the incoming line switch is controlled by the dual power supply switching switch to realize automatic switching of the power supply. The inlet and outlet units of the low-voltage electrical cabinet are distributed up and down. Since each wiring circuit in the low-voltage electrical cabinet has independent electrical components of the incoming line unit, electrical components of the outgoing line unit, and dual power supply control electrical components, the incoming and outgoing lines arranged up and down 1. The outlet unit makes the wiring of each wiring circuit complicated. At the same time, the space for wiring circuits in the low-voltage electrical cabinet is limited, and the number of wiring circuits is small, which is difficult to meet the needs of use.

Utility model content

The purpose of this utility model is to provide a low-voltage electrical cabinet body to solve the problems of complicated wiring and limited space for arranging wiring circuits in the current dual-power low-voltage electrical cabinet; in addition, the purpose of this utility model is also to provide a A low-voltage electrical cabinet using the above-mentioned low-voltage electrical cabinet body.

In order to achieve the above object, the technical scheme of the low-voltage electrical cabinet of the present invention is as follows: the low-voltage electrical cabinet includes a cabinet body with an opening on the front side, and the cabinet body is provided with an incoming line room, an outgoing line room and In the dual power supply control room, the incoming line room, the outgoing line room and the dual power supply control room are distributed along the left and right directions.

The wire outlet room is arranged between the wire inlet room and the dual power supply control room.

The inlet room, the outlet room, and the dual power supply control room are all equipped with installation boards, and there is a wiring space for wiring between the installation board and the rear side panel of the cabinet body. The wiring spaces of the control room and the dual power supply control room are connected to each other through wiring channels.

The installation boards in the wire inlet room and the dual power supply control room both include at least two laminates distributed from top to bottom.

The technical scheme of the low-voltage electrical cabinet of the utility model is as follows: the low-voltage electrical cabinet includes a low-voltage electrical cabinet body and electrical components arranged in the low-voltage electrical cabinet body, and the low-voltage electrical cabinet body includes a cabinet body with an opening on the front side. The cabinet body is provided with an incoming line room, an outgoing line room with outgoing line terminals, and a dual power supply control room, and the described incoming line room, outgoing line room and dual power supply control room are distributed along the left and right directions.

The wire outlet room is arranged between the wire inlet room and the dual power supply control room.

The inlet room, the outlet room, and the dual power supply control room are all equipped with installation boards, and there is a wiring space for wiring between the installation board and the rear side panel of the cabinet body. The wiring spaces of the control room and the dual power supply control room are connected to each other through wiring channels.

The installation boards in the wire inlet room and the dual power supply control room both include at least two laminates distributed from top to bottom.

The outlet terminals are distributed from top to bottom.

The outlet terminal includes a dual power supply control outlet terminal for connecting with the outlet in the dual power supply control room and a single power outlet terminal for connecting with the outlet in the wire inlet room.

The beneficial effects of the utility model are: the low-voltage electrical cabinet of the utility model includes a low-voltage electrical cabinet body, and the low-voltage electrical cabinet body is provided with an incoming line room, an outgoing line room, and a dual power supply control room, and the outgoing line room, the incoming line room, and the double The power supply control room is distributed along the left and right directions. Under the condition of setting the height of the low-voltage electrical cabinet, the space for electrical components for wiring circuits in each room is increased, and it is also convenient for wiring. Compared with the current dual-power low-voltage electrical cabinet body, the utility model low-voltage electrical cabinet body of the low-voltage electrical cabinet includes the incoming line room, incoming line room, and dual-power supply control room distributed along the left and right directions, and wiring circuits are arranged in each room. The space is increased, and wiring is convenient at the same time, which solves the problems of complicated wiring in the current dual-power low-voltage electrical cabinet and limited space for arranging wiring circuits.

Furthermore, the outgoing line chamber is provided with outgoing line terminals, and the outgoing line terminal includes a dual power supply control outgoing line terminal for connecting with the outgoing line in the dual power supply control room and a single power supply outgoing line for connecting with the outgoing line in the incoming line room The terminal can be applied to occasions where there are both wiring loops that need to ensure uninterrupted power supply and wiring loops that do not need to ensure uninterrupted power supply, and have a wide range of applications.

Description of drawings

Fig. 1 is the structural representation of the specific embodiment of low-voltage electrical cabinet of the present utility model;

Figure 2 is a schematic diagram of the internal structure of Figure 1;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is the right view of Fig. 2;

Fig. 5 is the back view of Fig. 2;

Fig. 6 is a schematic structural view of the laminate at the bottom of the incoming line chamber of a specific embodiment of the low-voltage electrical cabinet of the present invention;

Fig. 7 is the left view of Fig. 6;

Fig. 8 is a schematic diagram of the wires connected to the incoming terminal block of a specific embodiment of the low-voltage electrical cabinet of the present invention;

Fig. 9 is a schematic diagram of the cable routing of the wiring circuit of the specific embodiment of the low-voltage electrical cabinet of the present invention.

detailed description

Embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

The specific embodiment of the low-voltage electrical cabinet of the present utility model, as shown in Figures 1 to 9, the low-voltage electrical cabinet includes a low-voltage electrical cabinet body and electrical components arranged in the low-voltage electrical cabinet body, and the low-voltage electrical cabinet body includes a front side The cabinet body has an opening, and the cabinet body is equipped with a partition board for the incoming and outgoing wire room and a dual power supply control room for separating the inner space of the cabinet body into the incoming line room 2, the outgoing line room 3 and the dual power supply control room 4 , The incoming line room 2, the outgoing line room 3 and the dual power supply control room 4 are distributed along the left and right directions. The outgoing line room 3 is arranged between the incoming line room 2 and the dual power supply control room 4, further simplifying the wiring structure.

The incoming line room 3 is located on the left side of the outgoing line room 2, and the dual power supply control room 4 is located on the right side of the outgoing line room 2. The inlet room 2 is provided with an inlet room installation plate 21, the inlet room installation plate 21 includes the front panel of the inlet room installation plate, and the front panel of the inlet room installation plate is installed with a disconnector 51, a transformer 52, and a molded case circuit breaker. Device 53, incoming line compartment spacer 54 and surge protector 55. There is a wiring space 22 between the installation plate 21 of the inlet room and the rear side plate of the cabinet body. The rear side of the installation plate of the inlet room is provided with an inlet cable trough 23, which extends along the up and down direction. . The incoming line terminal block is installed and fixed along the up and down direction in the incoming line arranging slot, and the incoming line arranging slot and the incoming line terminal block are used for arranging wires.

The rear plate surface of the wire inlet room installation plate 21 is installed with wire inlet room busbars 24 at intervals from top to bottom, and the wire inlet room busbars are located on the left side of the wire inlet cable slot. The space between the installation plate of the wire inlet room and the rear side plate of the cabinet body is provided with a vertical partition plate 25 for the wire inlet room. The left side of the vertical partition of the incoming line room is provided with the primary line compartment of the incoming line, the bus bar 24 of the incoming line room is arranged in the primary line compartment of the incoming line, and the right side of the vertical partition of the incoming line room is the incoming line wiring room , the primary line of the incoming line is routed in the primary line compartment, and the connecting lines between the electrical components are routed in the incoming line arrangement room. The incoming line wiring groove is set in the incoming line wiring room, and the incoming line wiring room is equipped with a sealing plate, which seals the primary line to avoid contact between the primary line and the human body. The distribution of the incoming line room 2, the outgoing line room 3 and the dual power supply control room 4 along the left and right directions also increases the number of circuits in the incoming line room.

The wiring compartment installation plate 21 includes seven wiring compartment laminates 211 arranged from top to bottom, wherein the height of the two wiring compartment laminates near the upper side in the up-down direction is greater than that of the bottom five. The five incoming wire compartment laminates on the lower side have the same specifications, and three transformers 52 and one molded case circuit breaker 53 are installed on each incoming wire chamber laminate. The front side of the wire inlet room is provided with a front cabinet door 25, and a digital display meter 56, a button and an indicator light 57 are installed on the front cabinet door. In the working state, the circuit can be operated through the button. Since the transformer, molded case circuit breaker and isolating switch are installed separately, the upper cabinet door 251 can be set separately on the incoming line room. operate independently.

Double power supply control room 4 is provided with double power supply control room mounting plate 41, double power supply control room mounting plate comprises double power supply control room front plate surface, and double power supply control room mounting plate front plate surface is equipped with electrical components, electrical components mainly include plastic Shell circuit breaker 53, transformer 52, air switch for environmental control and electric operation, etc.

There is a wiring space 42 for the dual-power control room between the installation plate 41 of the dual-power control room and the rear side panel of the cabinet body. The groove extends in the up and down direction. The dual power supply control terminal block is installed and fixed along the up and down direction in the dual power control cable trough, and the dual power control cable trough and the dual power control terminal block are used for cable arrangement. The rear panel of the dual power supply control room installation board is installed with dual power supply control room branch line terminals 44 at intervals from top to bottom, and the dual power supply control room branch line terminals are located on the right side of the dual power supply control cable slot. The space between the installation board of the dual power supply control room and the rear side panel of the cabinet body is provided with a vertical partition plate 45 for the dual power supply control room. The left side of the vertical partition of the dual power supply control room is provided with a dual power supply control primary line compartment 46, and the right side of the dual power supply control room vertical partition is a dual power supply control wiring compartment 47, and the dual power supply control primary line compartment is routed The primary line, the connecting line between the electrical components in the dual power supply control wiring room. The dual power supply control wiring compartment is provided with a sealing plate 48, which seals the primary line to avoid contact between the primary line and the human body.

The double power supply control partition installation board includes eight dual power supply control layer boards 411 arranged from top to bottom, of which the top dual power supply control layer board is used to install components such as dual power supply control switches, and the specifications of the remaining seven dual power supply control layer boards The same, and the remaining seven double power supply control layer boards are equipped with three transformers and a molded case circuit breaker. The front side of the double power supply control room is provided with a front cabinet door, and a digital display meter, indicator lights and buttons are arranged on the front cabinet door.

The wires connected to the dual power supply control terminal block and the incoming line terminal block mainly include the wires connected to the buttons and signal lamps, the wires connected to the electric operating mechanism, the wires connected to the current transformer, and some components outside the cabinet (such as fans, lighting) and the wires connected to the digital display meter.

The outlet room 3 is provided with an outlet room installation plate 31, the outlet room installation plate includes the front panel of the outlet room installation plate, the outlet terminal installation position is arranged on the front panel of the outlet room installation plate, the outlet terminal 32 is installed on the outlet terminal installation position, and the outlet The terminals are connected to user cables for use by users; the installation board of the outlet room includes nine outlet room laminates 311 distributed from top to bottom. The outgoing line terminals include single power outgoing line terminals for connecting with outgoing lines in the incoming line room and double power supply outgoing line terminals for connecting with outgoing lines in the dual power supply control room. The wiring circuit connected to the single power outlet terminal has only one power supply, while the wiring circuit of the dual power outlet terminal has two power supplies, and the two power supplies are controlled and switched through the dual power supply control room to ensure uninterrupted power supply to the wiring circuit . The set single power supply outlet terminal and double power supply outlet terminal make the low-voltage electrical cabinet of the present utility model suitable for occasions where there are wiring loops that need to ensure uninterrupted power supply and wiring loops that do not need to ensure uninterrupted power supply, and have a wide range of applications.

In this embodiment, the dual power supply control room has four circuits, two of which are used to ensure the uninterrupted power supply circuit of important loads, and one of the remaining two circuits is used to supply power to environmental control equipment such as lighting, travel switches and fans in the box-type substation. , the last one is used for UPS power supply, and UPS is used to provide temporary power supply for the wiring circuit of uninterrupted power supply during the dual power supply control switching process.

There are threading holes on the partition board of the dual power supply control room and the partition board of the incoming and outgoing line room. The space is connected to the wiring space of the outlet room through the wiring channel, and the wiring channel is a threading hole. In other embodiments, a gap can be set on the partition plate of the inlet and outlet room, and the wiring space of the inlet room and the wiring room of the outlet room are connected through the gap. space.

When the low-voltage electrical cabinet is in use, as shown in Figure 8, the schematic diagram of the loop cable direction. The cable comes out of the transformer in the substation and enters the incoming line room. Terminal connection, the circuit that does not need dual power supply protection is directly connected to the outlet terminal of the outlet room without going through the dual power supply control room. During the working process of the circuit, signals are transmitted through the transformer and the electric operating mechanism, and technicians can operate the circuit through the transformer and the electric operating mechanism.

The wiring of the low-voltage electrical cabinet of the utility model is obviously beautiful through the compartment concealment, and the installation efficiency and safety performance are improved.

The specific embodiment of the low-voltage electrical cabinet body of the utility model, the structure of the low-voltage electrical cabinet body is the same as that of the low-voltage electrical cabinet body in the specific embodiment of the above-mentioned low-voltage electrical cabinet, and will not be repeated here.

In other embodiments of the low-voltage electrical cabinet body of the utility model and the low-voltage electrical cabinet using the low-voltage electrical cabinet body, the above-mentioned inlet room can be set between the dual power supply control room and the outlet room; The number of installation boards in the power supply control room can be set at least two according to needs; the wiring spaces of the above-mentioned incoming line room, outgoing line room and dual power supply control room can communicate with each other.

Claims (10)

1. Low-voltage electrical cabinet cabinet body, including a cabinet body with an opening on the front side, characterized in that: the cabinet body is equipped with an incoming line room, an outgoing line room and a dual power supply control room, and the described incoming line room, The outlet room and the dual power supply control room are distributed along the left and right directions. 2. The low-voltage electrical cabinet body according to claim 1, characterized in that: the outgoing line room is arranged between the incoming line room and the dual power supply control room. 3. The low-voltage electrical cabinet according to claim 1 or 2, characterized in that: the incoming line room, the outgoing line room, and the dual power supply control room are all equipped with mounting plates, and the mounting plates and the cabinet body There is a wiring space for wiring between the rear side panels of the cabinet, and the wiring spaces of the incoming wiring room, outgoing wiring room, and dual power supply control room are connected to each other through wiring channels. 4. The low-voltage electrical cabinet body according to claim 3, characterized in that: the installation boards in the wire inlet room and the dual power supply control room both include at least two laminates distributed from top to bottom. 5. A low-voltage electrical cabinet, including a low-voltage electrical cabinet body and electrical components arranged in the low-voltage electrical cabinet body. The low-voltage electrical cabinet body includes a cabinet body with an opening on the front side, which is characterized in that: the cabinet body It is equipped with an incoming line room, an outgoing line room with outgoing line terminals, and a dual power supply control room. The above described incoming line room, outgoing line room and dual power supply control room are distributed along the left and right directions. 6. The low-voltage electrical cabinet according to claim 5, characterized in that: the outgoing line room is arranged between the incoming line room and the dual power supply control room. 7. The low-voltage electrical cabinet according to claim 5 or 6, characterized in that: the incoming line room, the outgoing line room, and the dual power supply control room are all provided with a mounting plate, and the mounting plate is connected to the rear of the cabinet body. There is a wiring space for wiring between the side panels, and the wiring spaces of the incoming line room, the outgoing line room, and the dual power supply control room are connected to each other through the wiring channel. 8. The low-voltage electrical cabinet according to claim 7, characterized in that: the installation boards in the wire inlet room and the dual power supply control room both include at least two laminates distributed from top to bottom. 9. The low-voltage electrical cabinet according to claim 5 or 6, wherein the outlet terminals are distributed from top to bottom. 10. The low-voltage electrical cabinet according to claim 5 or 6, characterized in that: the outlet terminal includes a dual power supply control outlet terminal for connecting with the outlet in the dual power control room and a terminal for connecting with the outlet in the incoming room Single power outlet terminal for connection.