CN207559330U - A kind of inlet-outlet line measures integrated high pressure switchgear - Google Patents

Abstract

The utility model provides an integrated high-voltage switchgear for incoming and outgoing line metering, which includes a housing, and an instrument room, a circuit breaker room, a bus room and a cable room that are arranged in the inner space of the housing and are separated by a plurality of partitions, and also include: The metering room is arranged side by side with the instrument room at the top of the internal space. The metering room is installed with an electric energy meter for measuring electric energy; A voltage transformer, the first voltage transformer is used to convert the high voltage of the high-voltage incoming cable into a low voltage, and it is used for power meter measurement; the second voltage transformer room is set at the bottom of the inner space, and the second voltage transformer is installed Transformer, the second voltage transformer is used to convert the high voltage of the high-voltage incoming cable into a low voltage, which is used as the control power supply of the circuit breaker. Compared with the prior art, a plurality of independent cabinets are integrated, the structure is more compact, the occupied space is small, and the production cost is low.

Description

An integrated high-voltage switchgear for incoming and outgoing line metering

technical field

The utility model relates to the technical field of high-voltage switchgear, in particular to an integrated high-voltage switchgear for incoming and outgoing line measurement.

Background technique

With the development of the times, people's living standards are constantly improving, and power equipment is also developing at a high speed. High-voltage switchgear mainly plays the role of on-off, control or protection in power system power generation, transmission and distribution, and power conversion. The necessary power supply supporting facilities in China have been widely used.

High-voltage switchgear can be divided into incoming line cabinets, outgoing line cabinets, metering cabinets, voltage transformer cabinets, etc. according to their uses. The cabinets of the above-mentioned high-voltage switchgears are relatively independent of each other, and they take up a lot of space when used together, so it is not applicable It is used in a small space and increases the production cost.

Utility model content

Therefore, the technical problem to be solved by the utility model is to overcome the technical defects that the high-voltage switch cabinets in the prior art are relatively independent of each other, occupy a large space when used together, and have high production costs, thereby providing a small space-occupying, production Low-cost integrated high-voltage switchgear for incoming and outgoing line metering.

Therefore, the utility model provides an integrated high-voltage switchgear for incoming and outgoing line metering, including a housing, and an instrument room, a circuit breaker room, a bus room and a cable compartment separated by a number of partitions arranged in the inner space of the housing. room, also includes:

A metering room is arranged side by side with the meter room at the top of the internal space, and an electric energy meter for measuring electric energy is installed in the metering room;

The first voltage transformer room is arranged at the bottom of the inner space, and is equipped with a first voltage transformer electrically connected to the electric energy meter, and the first voltage transformer is used for converting the high voltage of the high voltage incoming cable It is a low voltage for the measurement of the electric energy meter;

The second voltage transformer room is arranged side by side with the first voltage transformer room at the bottom of the inner space, and a second voltage transformer is installed in it, and the second voltage transformer is used to connect the high-voltage incoming cable The high voltage is converted to low voltage and used as the control power supply of the circuit breaker.

As a preferred solution, the high-voltage incoming cable and the high-voltage outgoing cable are arranged in the cable chamber.

As a preferred solution, a first contact box and a second contact box are provided in the busbar chamber, the first contact box is connected to the high-voltage outgoing cable through a branch busbar, and the second contact box One end of the current transformer is connected to the branch busbar, and the other end of the current transformer is connected to the high-voltage incoming cable.

As a preferred solution, a voltmeter, an electric energy meter, an opening and closing indicator light, and an opening and closing button are installed on the instrument room.

As a preferred solution, the instrument room is also equipped with a microcomputer protection device for controlling the circuit breaker to realize line overcurrent and quick-break protection.

As a preferred solution, the operating surface of the housing is provided with an observation window for an electric energy meter, an observation window for a circuit breaker and an observation window for a grounding switch in sequence from top to bottom.

The utility model provides an integrated high-voltage switchgear for incoming and outgoing line metering, which has the following advantages:

1. In the integrated high-voltage switchgear with incoming and outgoing line metering of the present utility model, by setting a metering room and a first voltage transformer room in the housing, the first voltage transformer located in the first voltage transformer room and the electric energy meter in the metering room The energy meter can monitor the electricity consumption of the whole system. In addition, by setting the second voltage transformer room, the second voltage transformer can be connected with the circuit breaker. The second voltage transformer can provide real-time monitoring of the circuit breaker status and remote distribution The combined circuit breaker provides the control power supply. Compared with the prior art, multiple independent cabinets are integrated into one body, the structure is more compact, the space occupied is small, and the production cost is low.

2. In the integrated high-voltage switchgear with incoming and outgoing line metering of the utility model, the instrument room is also equipped with a microcomputer protection device for controlling the circuit breaker to realize line overcurrent and quick-break protection, which increases the safety performance of the high-voltage switchgear.

3. In the integrated high-voltage switchgear with incoming and outgoing line metering of the utility model, the operating surface of the shell is provided with an observation window of an electric energy meter, a circuit breaker and a grounding switch in sequence from top to bottom, without opening the cabinet door, and the observation is more convenient. convenient.

Description of drawings

In order to more clearly illustrate the technical solutions in the prior art or the specific implementation of the present invention, the accompanying drawings used in the description of the prior art or the specific implementation are briefly introduced below, obviously, for those of ordinary skill in the art Generally speaking, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is a side view of an integrated high-voltage switchgear with incoming and outgoing line metering.

Fig. 2 is a front view of the integrated high-voltage switchgear with incoming and outgoing line metering.

Reference signs: 1. Shell; 11. Observation window of electric energy meter; 12. Observation window of circuit breaker; 13. Observation window of grounding switch; 2. Instrument room; 3. Measuring room; 4. Circuit breaker room; 5. Busbar room ;51, the first contact box; 52, the second contact box; 53, the branch busbar; 6, the cable room; 61, the high-voltage incoming cable; 62, the high-voltage outgoing cable; 7, the first voltage transformer room; 71. The first voltage transformer; 8. The second voltage transformer room; 81. The second voltage transformer; 9. The current transformer.

Detailed ways

The technical scheme of the utility model is described below in conjunction with the accompanying drawings of the specification. Obviously, the following embodiments are not all embodiments of the utility model. Based on the embodiments described in the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making other creative efforts belong to the protection scope of the present utility model.

It should be noted that, in the description of the present utility model, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance. In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

Example

This embodiment provides a high-voltage switchgear with integrated metering for incoming and outgoing lines, as shown in Figure 1-2, including a housing 1, and an instrument room 2 separated by several partitions arranged in the inner space of the housing 1, The circuit breaker room 4, the busbar room 5 and the cable room 6 also include: a metering room 3, arranged side by side with the meter room 2 at the top of the inner space, and the metering room 3 is installed with an electric energy meter for metering electric energy Table; the first voltage transformer chamber 7 is arranged at the bottom of the inner space, and is equipped with a first voltage transformer 71 electrically connected to the electric energy meter, and the first voltage transformer 71 is used to transfer high voltage into The high voltage of the wire and cable 61 is converted into a low voltage for the measurement of the electric energy meter; the second voltage transformer chamber 8 is arranged side by side with the first voltage transformer chamber 7 at the bottom of the internal space, and it is installed There is a second voltage transformer 81, and the second voltage transformer 81 is used to convert the high voltage of the high-voltage incoming cable 61 into a low voltage, and is used as a control power supply of the circuit breaker. In the integrated high-voltage switchgear with incoming and outgoing line metering in this embodiment, the metering chamber 3 and the first voltage transformer chamber 7 are arranged in the housing 1, so that the first voltage transformer 71 located in the first voltage transformer chamber 7 and the The electric energy meter in the metering room 3 is connected, and the electric energy meter can monitor the electricity consumption of the whole system. In addition, by setting the second voltage transformer chamber 8, the second voltage transformer 81 is connected with the circuit breaker, and the second voltage transformer 81 It can provide control power for real-time monitoring of the state of the circuit breaker and remote opening and closing of the circuit breaker. Compared with the prior art, multiple independent cabinets are integrated, the structure is more compact, the space occupied is small, and the production cost is low.

In this embodiment, the high-voltage incoming cable 61 and the high-voltage outgoing cable 62 are arranged in the cable chamber 6 .

In the integrated high-voltage switchgear with incoming and outgoing line metering in this embodiment, a first contact box 51 and a second contact box 52 are arranged in the busbar chamber 5, and the first contact box 51 communicates with the branch busbar 53 with the The high-voltage outgoing cable 62 is connected, the second contact box 52 is connected to one end of the current transformer 9 through the branch busbar 53 , and the other end of the current transformer 9 is connected to the high-voltage incoming cable 61 .

In this embodiment, the instrument room 2 is equipped with a voltmeter, an electric energy meter, an opening and closing indicator light, and an opening and closing button.

In the integrated high-voltage switchgear with incoming and outgoing line metering in this embodiment, the instrument room 2 is also equipped with a microcomputer protection device for controlling the circuit breaker to realize line overcurrent and quick-break protection, which increases the safety performance of the high-voltage switchgear .

In the high-voltage switchgear integrated with incoming and outgoing line metering in this embodiment, the operating surface of the housing 1 is provided with an electric energy meter observation window 11, a circuit breaker observation window 12 and a grounding switch observation window 13 in sequence from top to bottom, so that there is no need to open The cabinet door is more convenient for observation.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the protection scope of the present utility model.

Claims (6)

1. An integrated high-voltage switchgear for incoming and outgoing line metering, comprising a housing (1), and an instrument room (2) and a circuit breaker room ( 4), the busbar room (5) and the cable room (6), are characterized in that: also include: A metering room (3), which is arranged side by side with the meter room (2) at the top of the internal space, and an electric energy meter for measuring electric energy is installed in the metering room (3); The first voltage transformer chamber (7), is arranged at the bottom of the inner space, and is equipped with a first voltage transformer (71) electrically connected to the electric energy meter, and the first voltage transformer (71) is used for To convert the high voltage of the high-voltage incoming cable (61) into a low voltage for the measurement of the electric energy meter; The second voltage transformer room (8), arranged side by side with the first voltage transformer room (7) at the bottom of the inner space, is equipped with a second voltage transformer (81), the second voltage transformer The transformer (81) is used to convert the high voltage of the high-voltage incoming cable (61) into a low voltage, and is used as a control power supply of the circuit breaker. 2. The integrated high-voltage switchgear with incoming and outgoing line metering according to claim 1, characterized in that: the high-voltage incoming cable (61) and high-voltage outgoing cable (62) are arranged in the cable chamber (6). 3. The integrated high-voltage switchgear with incoming and outgoing line metering according to claim 2, characterized in that: a first contact box (51) and a second contact box (52) are arranged in the busbar chamber (5), The first contact box (51) is connected to the high-voltage outgoing cable (62) through the branch busbar (53), and the second contact box (52) is connected to the current transformer ( 9), and the other end of the current transformer (9) is connected to the high-voltage incoming cable (61). 4. The integrated high-voltage switchgear with incoming and outgoing line metering according to claim 1, characterized in that: the instrument room (2) is equipped with a voltmeter, an electric energy meter, an opening and closing indicator light, and an opening and closing button. 5. The integrated high-voltage switchgear with incoming and outgoing line metering according to claim 4, characterized in that: the instrument room (2) is also equipped with a microcomputer for controlling the circuit breaker to realize line overcurrent and quick-break protection protective device. 6. The integrated high-voltage switchgear with incoming and outgoing line metering according to claim 1, characterized in that: the operating surface of the housing (1) is provided with an electric energy meter observation window (11) and a circuit breaker in sequence from top to bottom. Observation window (12) and earthing switch observation window (13).