CN216819495U - Change-over switch cabinet - Google Patents

Abstract

The utility model discloses a change-over switch cabinet which comprises a cabinet body, wherein an ATSE automatic change-over switch electric appliance and a bypass access end are arranged in the cabinet body, the ATSE automatic change-over switch electric appliance is provided with a main power supply wiring bar, a standby power supply wiring bar, a load wiring bar and an ATSE controller, the ATSE controller is arranged on the cabinet body wall of the cabinet body, the bypass access end is electrically connected with the standby power supply wiring bar through a circuit breaker, so that the main power supply wiring bar and the load wiring bar are conducted to supply power to a load side through the ATSE controller, or the standby power supply wiring bar and the load wiring bar are conducted to supply power to the load side, or a standby power supply supplies power to the load side through the bypass access end. Compared with the prior art to guarantee that interim emergent power supply can last the power supply, simple structure moreover.

Description

Change-over switch cabinet

Technical Field

The utility model relates to emergency power supply equipment, in particular to a change-over switch cabinet.

Background

The safe and stable operation of the power grid system can provide guarantee for social production activities, and in some special power utilization occasions: if on the spot, the hospital or the large-scale activity scene etc. of interim meeting, need build emergent power supply system temporarily, prevent when the main power source breaks down the outage, stand-by power supply can provide the power guarantee that lasts for the power consumption end with very fast, avoids causing great loss because of the outage. However, the conventional transfer switch cabinet can only switch between the main power supply and the standby power supply, and when the main power supply and the standby power supply fail simultaneously or the power of the main power supply is insufficient, the transfer switch cabinet cannot supply power to the load side by other methods, so that the use effect is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a change-over switch cabinet, which aims to solve the technical problem of ensuring that temporary emergency power supply can continuously supply power and has a simple structure.

In order to solve the problems, the utility model adopts the following technical scheme: the utility model provides a change over switch cabinet, includes the cabinet body, be equipped with ATSE automatic transfer switch electrical apparatus, bypass incoming end in the cabinet body, ATSE automatic transfer switch electrical apparatus is last to have main power supply line bank, stand-by power supply line bank, load line bank, ATSE controller locates on the cabinet body wall of the cabinet body, the bypass incoming end is connected with stand-by power supply line bank electricity through the circuit breaker to realize that switching on of main power supply line bank and load line bank supplies power to the load side, or stand-by power supply line bank leads to the load side with load line bank and supplies power, or stand-by power supply passes through the bypass incoming end and supplies power to the load side.

Furthermore, at least one main power quick-plugging interface is arranged on the main power wiring row.

Furthermore, at least one standby power supply quick-plugging interface is arranged on the standby power supply wiring row.

Furthermore, at least one load quick-plugging interface is arranged on the load wiring row.

Furthermore, at least one bypass quick-plugging interface is arranged on the bypass access end.

Furthermore, the main power supply quick-plugging interface, the standby power supply quick-plugging interface, the load quick-plugging interface and the bypass quick-plugging interface are the same in number.

Furthermore, the main power supply fast-plug interface, the standby power supply fast-plug interface, the load fast-plug interface and the bypass fast-plug interface are arranged on one side of the cabinet body wall.

Furthermore, the bottom of the cabinet body is provided with universal wheels, and the cabinet body wall of the cabinet body is also provided with an air inlet, an air outlet and a handle.

Compared with the prior art, the cabinet body is provided with the bypass access end, the bypass access end is electrically connected with the standby power supply wiring line through the circuit breaker so as to simultaneously supply power to the load side through two paths of power supplies, when the power of the main power supply is insufficient or fails, the standby power supply can supply power to the load side through the bypass access end or the load wiring line, or when both the main power supply and the standby power supply fail, the other path of emergency power supply is adopted to supply power to the load side through the bypass access end and the standby power supply wiring line, so that the temporary emergency power supply can be continuously supplied, and the structure is simple.

Drawings

Fig. 1 is a first external structural diagram of the present invention.

Fig. 2 is a second external structural diagram of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention.

Fig. 4 is a circuit block diagram of the present invention.

Fig. 5-1 is a first power supply principle diagram of a first mode of use of the present invention.

Fig. 5-2 is a power supply principle diagram two of the first usage mode of the present invention.

Fig. 5-3 are a third power supply principle diagram of the first mode of use of the utility model.

Fig. 5-4 are power supply principles of the first mode of use of the present invention.

Fig. 6-1 is a first power supply principle diagram when the first mode of use of the present invention exits.

Fig. 6-2 is a schematic diagram of the power supply principle when the first usage mode of the present invention exits.

Fig. 6-3 are schematic diagrams of the power supply principle when the first mode of use of the present invention exits.

Fig. 6-4 are a fourth schematic diagram of the power supply when the first mode of use of the present invention exits.

Fig. 7-1 is a first power supply principle diagram of a second mode of use of the present invention.

Fig. 7-2 is a second power supply principle diagram of a second mode of use of the present invention.

Fig. 7-3 are a third power supply principle diagram of the second mode of use of the utility model.

Fig. 7-4 are power supply principles of a second mode of use of the present invention.

Fig. 8-1 is a first schematic diagram of the power supply at exit of the second usage method of the present invention.

Fig. 8-2 is a first power supply principle diagram when the second usage method of the present invention exits.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present invention discloses a transfer switch cabinet, which includes a cabinet body 1, the cabinet body 1 is a rectangular box structure, an ATSE automatic transfer switch electrical apparatus 2 and a bypass access terminal 3 are arranged in the cabinet body 1, the ATSE automatic transfer switch electrical apparatus 2 is in the prior art, and includes a main power line bank 21, a backup power line bank 22, a load line bank 23, and an ATSE controller 24, the ATSE controller 24 is arranged on a cabinet body wall of the cabinet body 1, the bypass access terminal 3 is electrically connected with the backup power line bank 22 through a circuit breaker 4, so as to realize conduction of the main power line bank 21 and the load line bank 23 to supply power to the load side through the ATSE controller 24, or conduction of the backup power line bank 22 and the load line bank 23 to supply power to the load side, or conduction of the backup power to supply power to the load side through the bypass access terminal 3.

The using method of the utility model is as follows:

for example, as shown in fig. 5-1, 5-2, 5-3 and 5-4, in the first using method of the present invention, during operation, the load line bank 23 is electrically connected to the load side through a cable, the bypass incoming end 3 is electrically connected to the load side through a cable, the main power line bank 21 is electrically connected to the main power unit (main power source), the backup power line bank 22 is electrically connected to the backup power unit (backup power source), before connection, it is required to ensure that the main power line bank 21, the backup power line bank 22 and the load line bank 23 are disconnected, the circuit breaker 4 is in a disconnected state (shown in fig. 5-1), the backup power source is started, whether the backup meets the synchronous condition of instantaneous parallel connection is judged through the ATSE controller 24, if yes, the ATSE controller 24 controls the backup power line bank 21 to be connected to the load line bank 23 to manually close the circuit breaker 4, the load line bank 23 and the bypass access terminal 3 are enabled to simultaneously supply power to the load side (shown in fig. 5-2), then the main power supply is started, whether the main power supply and the load side meet the synchronous condition of instantaneous parallel connection or not is judged through the ATSE controller 24, if yes, the standby power supply line bank 22 and the load line bank 23 are controlled to be disconnected, the main power supply line bank 21 and the load line bank 23 are conducted, the main power supply supplies power to the load side through the load line bank 23, the standby power supply supplies power to the power consumption measuring device through the bypass access terminal 3 (shown in fig. 5-3), at the moment, a power supply side power switch connected with mains supply and located in the load side is disconnected (shown in fig. 5-4), and parallel connection is completed.

As shown in fig. 6-1, 6-2, 6-3 and 6-4, when the temporary emergency power supply exits, the ATSE controller 24 disconnects the main power supply line 21 and the load line bank 23, and connects the cable on the load line bank 23 between the transformer and the power supply side (shown in fig. 6-1), and the ATSE controller 24 judges whether the standby power supply and the load side satisfy the synchronous condition of instantaneous parallel connection, and if so, the standby power supply line bank 22 and the load line bank 23 are conducted (shown in fig. 6-2); then, switching on a power switch at the power supply side (shown in fig. 6-3); finally, the circuit breaker 4 is opened manually and the backup power connection block 22 is disconnected from the load connection block 23 by the ATSE controller 24 (fig. 6-4), at which time the cable on the load side can be disconnected.

For another example, as shown in fig. 7-1, 7-2, 7-3 and 7-4, in the second usage of the present invention, during operation, the load wiring bar 23 is electrically connected to the load side through a cable, the bypass access terminal 3 is electrically connected to the load side through a cable, the main power wiring bar 21 is electrically connected to the main power generator set (main power source), the backup power wiring bar 22 is electrically connected to the backup power generator set (backup power source), before connection, it is required to ensure that the main power wiring bar 21, the backup power wiring bar 22 and the load wiring bar 23 are disconnected, and the circuit breaker 4 is in a disconnected state (shown in fig. 7-1); the main power supply is started or the standby power supply is started simultaneously, then the power supply side power switch (shown in figure 7-2) is manually switched off, the ATSE controller 24 is enabled to detect the load side voltage abnormality, the ATSE controller 24 detects that the main power supply voltage is normal, the main power supply line bank 21 and the load line bank 23 are controlled to be conducted (shown in figure 7-3), then the breaker 4 is manually switched on (shown in figure 7-4), and the load line bank 23 and the bypass access end 3 are enabled to supply power to the load side simultaneously.

As shown in fig. 8-1 and 8-2, in the second usage method, after the maintenance is completed, the circuit breaker 4 is manually opened, the main power line bank 21 and the load line bank 23 are disconnected by the ATSE controller 24 (shown in fig. 8-1), and then the power source side power switch is closed (shown in fig. 8-2), at this time, the cables connected to the load side of the load line bank 23, the bypass access terminal 3 are disconnected.

Besides the two application methods, when the main power supply and the standby power supply both have faults, the other power supply is connected through the bypass access end 3, the circuit breaker 4 is switched on, the standby power supply line bank 22 is conducted with the load line bank 23, and power supply to the load side through the load line bank 23 is achieved.

As shown in fig. 2 and 4, as an embodiment of the present invention, at least one main power quick-plugging port 5 is provided on the main power line bank 21; the standby power supply wiring row 22 is provided with at least one standby power supply quick-plugging interface 6; the load wiring row 23 is provided with at least one load quick-plugging interface 7; the bypass access end 3 is provided with at least one bypass quick-plugging port 8 to meet the use requirements of different occasions, and the quick-plugging port is adopted, so that the on-site wire inlet and outlet wiring operation is convenient and quick.

Preferably, the main power supply quick-plug interface 5, the standby power supply quick-plug interface 6, the load quick-plug interface 7 and the bypass quick-plug interface 8 are the same in number, and optionally, 3 quick-plug interfaces are provided.

As shown in fig. 2, the main power supply fast socket 5, the standby power supply fast socket 6, the load fast socket 7 and the bypass fast socket 8 are arranged on one side of the cabinet wall of the cabinet 1 and are arranged in an array.

As shown in fig. 1 and 2, the bottom of the cabinet 1 is provided with universal wheels 9, and the cabinet walls on two opposite sides of the cabinet 1 are further provided with an air inlet 10, an air outlet 11 and a handle 12 for moving and carrying.

Claims (8)

1. The utility model provides a change-over switch cabinet, includes the cabinet body (1), its characterized in that: the automatic transfer switch cabinet is characterized in that an ATSE automatic transfer switch electric appliance (2) and a bypass access end (3) are arranged in the cabinet body (1), a main power supply line bank (21), a standby power supply line bank (22), a load line bank (23) and an ATSE controller (24) are arranged on the ATSE automatic transfer switch electric appliance (2), the bypass access end (3) is electrically connected with the standby power supply line bank (22) through a circuit breaker (4), so that the main power supply line bank (21) is conducted with the load line bank (23) through the ATSE controller (24) to supply power to the load side, or the standby power supply line bank (22) is conducted with the load line bank (23) to supply power to the load side, or the standby power supply supplies power to the load side through the bypass access end (3).

2. A diverter switch cabinet according to claim 1, characterized in that: the main power supply wiring bank (21) is provided with at least one main power supply quick-plugging interface (5).

3. A diverter switch cabinet according to claim 2, characterized in that: the standby power supply wiring bank (22) is provided with at least one standby power supply quick-plugging interface (6).

4. A diverter switch cabinet according to claim 3, wherein: and at least one load quick-plugging interface (7) is arranged on the load wiring row (23).

5. The transfer switch cabinet of claim 4, wherein: and at least one bypass quick-plugging interface (8) is arranged on the bypass access end (3).

6. The transfer switch cabinet of claim 5, wherein: the main power supply quick-plugging interface (5), the standby power supply quick-plugging interface (6), the load quick-plugging interface (7) and the bypass quick-plugging interface (8) are the same in quantity.

7. A diverter switch cabinet according to claim 6, wherein: the main power supply quick-plugging port (5), the standby power supply quick-plugging port (6), the load quick-plugging port (7) and the bypass quick-plugging port (8) are arranged on one side of the cabinet body wall of the cabinet body (1).

8. The transfer switch cabinet of claim 7, wherein: the bottom of the cabinet body (1) is provided with universal wheels (9), and the cabinet body wall of the cabinet body (1) is also provided with an air inlet (10), an air outlet (11) and a handle (12).

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