CN203180366U - Double-bus centrally-installed switchgear - Google Patents

Abstract

The utility model discloses a double-bus centrally-installed switchgear. The double-bus centrally-installed switchgear comprises a cabinet body. The cabinet body is divided into an instrument chamber, a breaker chamber, a cable chamber, a main bus chamber and an isolation chamber by using a grounding metal plate. The instrument chamber, the breaker chamber, the cable chamber, the main bus chamber and the isolation chamber are provided with cabinet doors correspondingly. A lightning conductor and a grounding switch are arranged in the cable chamber. A first isolation switch, a second isolation switch, an upper contact box, a lower contact box and a current transformer are arranged in the isolation chamber. The upper contact box and the lower contact box are arranged on the metal plate which is used to segment the breaker chamber and the isolation chamber. The current transformer is arranged on the metal plate which is used to segment the cable chamber and the isolation chamber. The main bus chamber is divided into a first bus chamber and a second bus chamber through a partition. A first bus chamber bus passes through the first bus chamber and a second bus chamber bus passes through the second bus chamber. A top of the cabinet is provided with double bus chambers. Different power supply systems provide power for the two buses. Reliability, continuity and practicality are good.

Description

The mid-cabinet of a kind of double-bus

Technical field

The utility model relates to a kind of controller switching equipment, relates in particular to the mid-cabinet of a kind of double-bus.

Background technology

Along with power transformation, controller switching equipment are controlled intelligentized continuous development, 10kV equipment adopts mid-cabinet form in a large number, simultaneously along with the demand of the mid-cabinet of big electric current is more and more, the bus quantity of the required control of mid-cabinet also increases day by day, if it is the main bus bar employing is just had installation up and down, then inconvenient to wiring and the maintenance of bus-bar room; No matter residential electricity consumption still is the electricity consumption of factory and enterprise simultaneously, and is also more and more higher to the reliability requirement of power supply, and may bring the tremendous economic loss after the outage of part factory and enterprise.

Summary of the invention

The purpose of this utility model is at the deficiencies in the prior art, proposes the mid-cabinet of a kind of double-bus.

The utility model comprises cabinet, and cabinet inside is used by grounding plate and is separated into control room, breaker chamber, cable vault, main bus bar chamber and isolation ward; Control room, breaker chamber, cable vault, main bus bar chamber and isolation ward correspondence are provided with control room's cabinet door, breaker chamber cabinet door, cable vault's cabinet door, main bus bar chamber cabinet door and isolation ward cabinet door;

The control room is positioned at front side, cabinet top, and breaker chamber is positioned at front side, cabinet middle part, and the main bus bar chamber is positioned at cabinet top boss rectangular chamber, and the cable vault is positioned at the cabinet bottom, and isolation ward is between cable vault and main bus bar chamber; Interval between isolation ward and the breaker chamber arranges and forms an insulating space, and insulating space is connected with breaker chamber;

Be provided with lightning rod, earthed switch in the cable vault.

Be provided with first isolating switch, second isolating switch, upper contact head box, following contact box summation current transformer in the isolation ward; Upper contact head box and following contact box are arranged on the metallic plate of cutting apart breaker chamber and isolation ward; Current transformer is arranged on the metallic plate of cutting apart cable vault and isolation ward;

Main bus bar is indoor to be divided into first bus-bar room and second bus-bar room by dividing plate; Be connected with the first bus-bar room bus in first bus-bar room, be connected with the second bus-bar room bus in second bus-bar room.

The first bus-bar room bus and the second bus-bar room bus of first bus-bar room and the output of second bus-bar room, respectively with isolation ward in first isolating switch be connected with second isolating switch, first isolating switch is connected with the upper contact head box by the copper bar bus simultaneously with second isolating switch, the copper bar bus of following contact box output is connected with an end in contact of current transformer, and the other end of current transformer is connected with lightning rod, earthed switch by the copper bar bus.

The utility model beneficial effect is as follows:

The mid-cabinet of the utility model is domestic the first, adopt this mid-cabinet after because cabinet top is provided with the double-bus chamber, used the mode of two-way bus, the two-way bus adopts different electric power system power supplies, guaranteeing a power supply reliability and continuity, has very high practicality.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Among the figure, cabinet 1, control room 2, the cabinet door 2-1 of control room, breaker chamber 3, breaker chamber cabinet door 3-1, cable vault 4, the cabinet door 4-1 of cable vault, lightning rod 4-2, earthed switch 4-3, the first bus-bar room 5-1, the first bus-bar room bus 5-1-1, the second bus-bar room 5-2, the second bus-bar room bus 5-2-1, isolation ward 6, isolation ward cabinet door 6-1, the first isolating switch 6-2-1, the second isolating switch 6-2-2, upper contact head box 6-3-1, following contact box 6-3-2, current transformer 7.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As shown in Figure 1, the mid-cabinet of a kind of double-bus comprises cabinet 1, and cabinet 1 inside is used by grounding plate and is separated into control room 2, breaker chamber 3, cable vault 4, main bus bar chamber and isolation ward 6; Control room 2, breaker chamber 3, cable vault 4, main bus bar chamber and isolation ward 6 correspondences are provided with the cabinet door 2-1 of control room, breaker chamber cabinet door 3-1, the cabinet door 4-1 of cable vault, main bus bar chamber cabinet door 5-1 and isolation ward cabinet door 6-1;

The control room is positioned at front side, cabinet top, and breaker chamber is positioned at front side, cabinet middle part, and the main bus bar chamber is positioned at cabinet top boss rectangular chamber, and the cable vault is positioned at the cabinet bottom, and isolation ward is between cable vault and main bus bar chamber; Interval between isolation ward and the breaker chamber arranges and forms an insulating space, and insulating space is connected with breaker chamber;

Be provided with lightning rod 4-2, earthed switch 4-3 in the cable vault.

Be provided with the first isolating switch 6-2-1, the second isolating switch 6-2-2, upper contact head box 6-3-1, following contact box 6-3-2 summation current transformer 7 in the isolation ward 6; Upper contact head box 6-3-1 and following contact box 6-3-2 are arranged on the metallic plate of cutting apart breaker chamber and isolation ward; Current transformer 7 is arranged on the metallic plate of cutting apart cable vault and isolation ward;

Main bus bar is indoor to be divided into the first bus-bar room 5-1 and the second bus-bar room 5-2 by dividing plate; Be connected with the first bus-bar room bus 5-1-1 in the first bus-bar room 5-1, be connected with the second bus-bar room bus 5-2-1 in the second bus-bar room 5-2.

The first bus-bar room bus 5-1-1 and the second bus-bar room bus 5-2-1 of the first bus-bar room 5-1 and second bus-bar room 5-2 output, respectively with isolation ward in the first isolating switch 6-2-1 be connected with the second isolating switch 6-2-2, the first isolating switch 6-2-1 is connected with upper contact head box 6-3-1 by the copper bar bus simultaneously with the second isolating switch 6-2-2, the copper bar bus of following contact box 6-3-2 output is connected with an end in contact of current transformer 7, and the other end of current transformer 7 is connected with lightning rod 4-2, earthed switch 4-3 by the copper bar bus.

Claims (2)

1. the mid-cabinet of double-bus comprises cabinet, it is characterized in that:

Cabinet inside is used by grounding plate and is separated into control room, breaker chamber, cable vault, main bus bar chamber and isolation ward; Control room, breaker chamber, cable vault, main bus bar chamber and isolation ward correspondence are provided with control room's cabinet door, breaker chamber cabinet door, cable vault's cabinet door, main bus bar chamber cabinet door and isolation ward cabinet door;

The control room is positioned at front side, cabinet top, and breaker chamber is positioned at front side, cabinet middle part, and the main bus bar chamber is positioned at cabinet top boss rectangular chamber, and the cable vault is positioned at the cabinet bottom, and isolation ward is between cable vault and main bus bar chamber; Interval between isolation ward and the breaker chamber arranges and forms an insulating space, and insulating space is connected with breaker chamber;

Be provided with lightning rod, earthed switch in the cable vault;

Be provided with first isolating switch, second isolating switch, upper contact head box, following contact box summation current transformer in the isolation ward; Upper contact head box and following contact box are arranged on the metallic plate of cutting apart breaker chamber and isolation ward; Current transformer is arranged on the metallic plate of cutting apart cable vault and isolation ward;

Main bus bar is indoor to be divided into first bus-bar room and second bus-bar room by dividing plate; Be connected with the first bus-bar room bus in first bus-bar room, be connected with the second bus-bar room bus in second bus-bar room.

2. as the mid-cabinet of claim 1 described a kind of double-bus, it is characterized in that:

The first bus-bar room bus and the second bus-bar room bus of first bus-bar room and the output of second bus-bar room, respectively with isolation ward in first isolating switch be connected with second isolating switch, first isolating switch is connected with the upper contact head box by the copper bar bus simultaneously with second isolating switch, the copper bar bus of following contact box output is connected with an end in contact of current transformer, and the other end of current transformer is connected with lightning rod, earthed switch by the copper bar bus.

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