CN215733642U - UPS dual power supply switching maintenance bypass system - Google Patents

Abstract

The utility model relates to a UPS dual-power switching maintenance bypass system, and belongs to the field of UPS power supply. The system comprises a UPS input switch, a rectification input switch, a switching device bypass, a rectifier, an inverter, a UPS output switch, a UPS cut-off switch and a battery pack; the UPS input switch, the rectification input switch, the rectifier, the inverter, the UPS output switch and the UPS cut-off switch are connected in sequence; a battery pack is also arranged between the rectifier and the inverter; the UPS input switch is connected to the phases A1, B1, C1 and N1; the rectifier is also connected with a switching device bypass. In the power supply system, the system power loss caused by power failure is prevented. Adopt many powers to supply power, when power supply breaks down or overhauls, can amputate power supply, closes stand-by power supply, prevents that the system from losing the electricity to the production economic loss who causes.

Description

UPS dual power supply switching maintenance bypass system

Technical Field

The utility model belongs to the field of UPS power supply, and relates to a UPS dual-power switching maintenance bypass system.

Background

At present, UPS power supply has no external maintenance bypass, has power supply hidden trouble, and if a fault occurs, equipment cannot transmit power at the first time; moreover, when the power utilization is recovered on site, the problem of complex rewiring exists, and a large amount of time is wasted. Although the machine of external bypass can resume the power consumption in the very first time, the maintenance of equipment bottom terminal still is electrified, has the risk of electrocution.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a UPS dual power switching service bypass system.

In order to achieve the purpose, the utility model provides the following technical scheme:

a UPS dual-power switching maintenance bypass system comprises a UPS input switch, a rectification input switch, a switching device bypass, a rectifier, an inverter, a UPS output switch, a UPS cut-off switch and a battery pack;

the UPS input switch, the rectification input switch, the rectifier, the inverter, the UPS output switch and the UPS cut-off switch are connected in sequence;

a battery pack is also arranged between the rectifier and the inverter;

the UPS input switch is connected to the phases A1, B1, C1 and N1;

the rectifier is also connected with a switching device bypass.

Optionally, the switching device bypass comprises a switching device;

one end of the switching device is connected between the inverter and the UPS output switch, and the other end of the switching device is connected to the maintenance input switch;

the service input switch is connected to phases A2, B2, C2 and N2;

a three-in three-out and maintenance switch is also arranged between the UPS output switch and the UPS cutting switch;

one end of an external service input switch is connected between the UPS cut-off switch and the load A, B, C and the N phase, and the other end of the external service input switch is connected between the service input switch and the A2, B2, C2 and N2 phases.

Optionally, the input voltage of the UPS is 380V, and the output voltage of the UPS is 380V.

The utility model has the beneficial effects that: in the power supply system, the system power loss caused by power failure is prevented. Adopt many powers to supply power, when power supply breaks down or overhauls, can amputate power supply, closes stand-by power supply, prevents that the system from losing the electricity to the production economic loss who causes.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a circuit diagram of the present invention.

Reference numerals: the system comprises a 1-UPS input switch, a 2-maintenance input switch, a 3-external maintenance input switch, a 4-rectification input switch, a 5-switching device bypass, a 6-maintenance switch, a 7-switching device, an 8-rectifier, a 9-inverter, a 10-UPS output switch, an 11-three-in three-out, a 12-UPS cut-off switch and a 13-battery pack.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1, a UPS dual power switching maintenance bypass system includes a UPS input switch 1, a rectification input switch 4, a switching device bypass 5, a rectifier 8, an inverter 9, a UPS output switch 10, a UPS cut-off switch 12, and a battery pack 13;

the UPS input switch 1, the rectification input switch 4, the rectifier 8, the inverter 9, the UPS output switch 10 and the UPS cut-off switch 12 are connected in sequence;

a battery pack 13 is also arranged between the rectifier 8 and the inverter 9;

the UPS input switch 1 is connected to the phases A1, B1, C1 and N1;

a switching device bypass 5 is also connected to the rectifier 8.

The switching means bypass 5 comprises switching means 7;

one end of the switching device 7 is connected between the inverter 9 and the UPS output switch 10, and the other end of the switching device is connected to the maintenance input switch 2;

the service input switch 2 is connected to phases A2, B2, C2 and N2;

a three-in three-out 11 and a maintenance switch 6 are also arranged between the UPS output switch 10 and the UPS cut-off switch 12;

one end of an external service input switch 3 is connected between the UPS cut-off switch 12 and the load A, B, C and the N-phase, and the other end of the external service input switch 3 is connected between the service input switch 2 and the a2, B2, C2, and N2 phases.

The input voltage of the UPS is 380V, and the output voltage of the UPS is 380V.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims (3)

1. The utility model provides a UPS dual supply switches over and overhauls bypass system which characterized in that: the UPS comprises a UPS input switch, a rectification input switch, a switching device bypass, a rectifier, an inverter, a UPS output switch, a UPS cut-off switch and a battery pack;

the UPS input switch, the rectification input switch, the rectifier, the inverter, the UPS output switch and the UPS cut-off switch are connected in sequence;

a battery pack is also arranged between the rectifier and the inverter;

the UPS input switch is connected to the phases A1, B1, C1 and N1;

the rectifier is also connected with a switching device bypass.

2. The UPS dual power supply switching service bypass system of claim 1, wherein: the switching device bypass comprises a switching device;

one end of the switching device is connected between the inverter and the UPS output switch, and the other end of the switching device is connected to the maintenance input switch;

the service input switch is connected to phases A2, B2, C2 and N2;

a three-in three-out and maintenance switch is also arranged between the UPS output switch and the UPS cutting switch;

one end of an external service input switch is connected between the UPS cut-off switch and the load A, B, C and the N phase, and the other end of the external service input switch is connected between the service input switch and the A2, B2, C2 and N2 phases.

3. The UPS dual power supply switching service bypass system of claim 2, wherein: the three-in three-out mode is as follows: the input voltage of the UPS is 380V, and the output voltage of the UPS is 380V.

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