CN212435423U

CN212435423U - Uninterrupted power supply

Info

Publication number: CN212435423U
Application number: CN202021001224.1U
Authority: CN
Inventors: 白诗诗; 许邦耀; 罗红军
Original assignee: Santak Electronic Shenzhen Co Ltd
Current assignee: Santak Electronic Shenzhen Co Ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-29
Anticipated expiration: 2030-06-03

Abstract

The utility model relates to an uninterrupted power source, this uninterrupted power source electricity connection power and load to supply power to this load, uninterrupted power source includes: the device comprises a shell, a first cabinet body and a second cabinet body, wherein a longitudinal partition plate which divides the shell into the first cabinet body and the second cabinet body in the transverse direction is arranged in the shell; an uninterruptible power supply electrical assembly disposed within the first cabinet; a plurality of circuit breakers and connection elements disposed within the second cabinet; wherein, a plurality of circuit breakers are constructed to include input circuit breaker, output circuit breaker and maintenance circuit breaker at least, the input circuit breaker passes through connecting element electricity is connected the power just passes through the through wires hole electricity is connected the electric subassembly of uninterrupted power source, the output circuit breaker passes through the through wires hole electricity is connected the electric subassembly of uninterrupted power source and passes through the connecting element electricity is connected the load, the maintenance circuit breaker passes through the connecting element electricity is connected the power with the load.

Description

Uninterrupted power supply

Technical Field

The utility model relates to an electrical equipment technical field especially relates to an uninterrupted power source.

Background

Uninterruptible Power Supplies (UPSs) are widely used in the technical fields of communications, finance, and the like, due to their excellent Power stability. Upss typically have two modes of operation, namely an operating mode in which the load is powered by mains electricity through the ups, and a bypass mode in which the load is powered by an energy storage device, such as a battery, built into the ups when the mains electricity is abnormal. In addition, when the ups breaks down, the ups needs to enter a maintenance mode to maintain the ups, and at this time, it is necessary to ensure that the load normally provides power and it is also necessary to ensure that the ups is not charged. However, in the related art, the ups is not configured with the maintenance mode, or a switch device that is independently disposed from the ups and electrically connected to the ups to control the on/off of a circuit in the ups to enter the maintenance mode is generally configured outside the ups, and the former has the problem of inconvenient use and the latter has the problem of complicated wiring between the ups and the switch device.

There is a need in the art for an uninterruptible power supply that is convenient to use and simple to route.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an uninterrupted power source that can solve above-mentioned part problem at least.

According to the utility model discloses an aspect provides an uninterrupted power supply, this uninterrupted power supply's input and output electricity respectively connect power and load to supply power to this load, uninterrupted power supply includes: the device comprises a shell, a first cabinet body and a second cabinet body, wherein a longitudinal partition plate which divides the shell into the first cabinet body and the second cabinet body in the transverse direction is arranged in the shell; an uninterruptible power supply electrical assembly disposed within the first cabinet; a plurality of circuit breakers and connection elements disposed within the second cabinet; wherein the plurality of circuit breakers are configured to include at least an input circuit breaker, an output circuit breaker, and a service circuit breaker, the input end of the input breaker is electrically connected with the power supply through the connecting element, the output end of the input breaker penetrates through the threading hole to be electrically connected with the input end of the uninterruptible power supply electrical component, the input end of the output breaker passes through the threading hole to be electrically connected with the output end of the uninterruptible power supply electrical component, and the output end of the output breaker is electrically connected with the load through the connecting element, the input end of the maintenance circuit breaker is electrically connected with the power supply through the connecting element and the output end of the maintenance circuit breaker is electrically connected with the load through the connecting element, such that the load can be powered by the power source through the ups electrical components, or by the power source without passing through the ups electrical components.

Compared with the prior art, the utility model discloses an uninterrupted power source realizes through the first cabinet body of the built-in uninterrupted power source electrical component that sets up side by side and the second cabinet body of built-in a plurality of circuit breakers that the mode of operation that the load supplied power, by the bypass mode of uninterrupted power source electrical component for the load power supply and by the maintenance mode that the power supply did not pass through uninterrupted power source electrical component for the load power supply, improved uninterrupted power source's convenience of use. In addition, a plurality of circuit breakers in the first cabinet body penetrate through the longitudinal partition plate to be electrically connected with the uninterrupted power supply electrical assembly in the second cabinet body, wiring is conducted inside the shell, the situation that the uninterrupted power supply is required to be connected through external winding is avoided, and wiring is convenient and attractive in appearance. Finally, the connecting element which needs to be connected with an external power supply and a load on site and the circuit breaker are arranged in the second cabinet body together, so that the possibility of damage to the electric assembly of the uninterruptible power supply caused by the need of disassembling and assembling the first cabinet body is avoided, and the integration level of the uninterruptible power supply is improved.

Preferably, the connecting element and the plurality of circuit breakers are structured to be disposed on different side panels of the second cabinet.

Preferably, the connection member is configured to include a support plate and a connection terminal mounted on the second cabinet via the support plate.

Preferably, the connection terminal is configured to include at least a power input terminal and a load output terminal distributed along an extending direction of the support plate, the input terminal of the input breaker is electrically connected to the power through the power input terminal, the output terminal of the output breaker is electrically connected to the load through the load output terminal, the input terminal of the maintenance breaker is electrically connected to the power through the power input terminal and the output terminal is electrically connected to the load through the load output terminal.

Preferably, the plurality of circuit breakers are distributed in a longitudinal arrangement in the second cabinet.

Preferably, the side plates of the first cabinet and the second cabinet adjacent to the same side of the longitudinal partition are configured to be integrally formed.

Preferably, the side plates of the first cabinet and the second cabinet adjacent to the same side of the longitudinal partition are configured to be detachably connected, so that the first cabinet and the second cabinet can be separated.

Preferably, at least one of the longitudinal side panels of the second cabinet is configured to be movably connected with the rest of the side panels of the second cabinet, so that the second cabinet can be opened or closed.

Preferably, the rear side plate of the second cabinet body is provided with heat dissipation holes.

Additional features and advantages of the invention will be set forth in part in the description which follows, and in part will be apparent to those having ordinary skill in the art upon examination of the following, or may be learned from the practice of the invention.

Drawings

Embodiments of the present invention are described in detail below with reference to the attached drawing figures, wherein:

fig. 1 is a perspective view of an uninterruptible power supply according to the present invention;

fig. 2 is an exploded schematic view of a second cabinet, a circuit breaker and a connecting element of an uninterruptible power supply according to the invention;

fig. 3 is a schematic diagram of a first connection of an uninterruptible power supply according to the invention;

fig. 4 is a second connection schematic of an uninterruptible power supply according to the invention.

Description of reference numerals:

1-an uninterruptible power supply; 11-a housing; 111-a first cabinet; 1111-a front side plate of the first cabinet; 1112-an upper side panel of the first cabinet; 1113-the rear side plate of the first cabinet body; 1114 — a right side panel of the first cabinet; 112-a second cabinet; 1121-front side panel of second cabinet; 1122-upper side plate of the second cabinet; 1123-a rear side panel of the second cabinet; 1124-lower side plate of the second cabinet body; 1125-left side panel of the second cabinet; 113-longitudinal partition plate; 114-a threading hole; 115-heat dissipation holes; 12-an uninterruptible power supply electrical assembly; 13-a circuit breaker; 131-input breaker; 132-output breaker; 133-maintenance of the circuit breaker; 134-first input breaker; 135-second input breaker; 14-a connecting element; 141-a first support plate; 142-a second support plate; 143-connection terminal; 1431 — power input terminal; 1432 — load output terminals; 1433 — a first power input terminal; 1434 — a second power input terminal; 2-a power supply; 21-a first power supply; 22-a second power supply; 3-load.

Detailed Description

Referring now to the drawings, illustrative aspects of the disclosed uninterruptible power supplies will be described in detail. Although the drawings are provided to present some embodiments of the invention, the drawings are not necessarily to scale of particular embodiments, and certain features may be exaggerated, removed, or partially sectioned to better illustrate and explain the disclosure of the present invention. The position of some components in the drawings can be adjusted according to actual requirements on the premise of not influencing the technical effect. The appearances of the phrase "in the drawings" or similar language in the specification are not necessarily referring to all drawings or examples.

Certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below", and other directional terms, will be understood to have their normal meaning and refer to those directions as they normally relate to when viewing the drawings. Unless otherwise indicated, the directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art. Herein, the XX direction shown in fig. 1 and 2 is the lateral direction, and the YY direction is the longitudinal direction.

The terms "first," "second," and the like as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

The terms "joined," "connected," and the like as used herein, include both two components that are indirectly connected together through an intermediate layer (e.g., an adhesive, a solder, etc.) or an intermediate member (e.g., a connector, a transition member, etc.), and two components that are directly connected together without any intermediate layer (e.g., an adhesive, a solder, etc.) or intermediate member (e.g., a connector, a transition member, etc.).

Fig. 1 to 4 show, by way of example, an uninterruptible power supply 1 according to the present invention, wherein an input end and an output end of the uninterruptible power supply 1 are electrically connected to a power supply 2 and a load 3, respectively. Wherein, the power source 2 may be commercial power. When the commercial power is in normal operation, the load 3 can be supplied with power by the power supply through the uninterrupted power supply 1, and the uninterrupted power supply 1 plays a role in filtering and voltage stabilization. Under the conditions of mains supply disconnection, undervoltage or overvoltage and the like, an energy storage device such as a battery arranged in the uninterruptible power supply 1 can be used for supplying power to the load 3, so that the influence on the normal operation of the load 3 is avoided. In the present embodiment, as shown in fig. 1 to 4, the uninterruptible power supply 1 includes a housing 11, an uninterruptible power supply electrical assembly 12, a plurality of circuit breakers 13, and a connection element 14.

As shown in fig. 1 and 2, a longitudinal partition 113 is disposed inside the outer shell 11 and divides the outer shell 11 into a first cabinet 111 and a second cabinet 112 in a transverse direction, and both the outer shell 11 and the longitudinal partition 113 can be made of rolled steel plates or by other forming means in the prior art. It can be seen that the first cabinet 111 and the second cabinet 112 share the longitudinal partition 113 as respective side panels, and the first cabinet 111 and the second cabinet 112 can be regarded as being juxtaposed in the lateral direction.

The ups electrical component 12 is disposed in the first cabinet 111, the ups electrical component 12 and the first cabinet 111 can be implemented as a ups body having an integral structure, the ups body can be implemented by using the prior art, and the ups electrical component 12 of the ups body can include, for example, a rectifier, a battery, an inverter, a static switch, and the like, which are not described in detail herein.

As shown in fig. 2, the plurality of circuit breakers 13 and the connecting elements 14 are disposed in the second cabinet 112, so that the service engineer does not need to disassemble the first cabinet 111 where the ups electrical assembly 12 is located in field wiring (connecting the power supply 2 and the load 3), and only needs to disassemble the second cabinet 112 where the connecting element 14 is located to electrically connect the power supply 2 and the load 3 via the connecting element 14, thereby avoiding affecting a plurality of electrical structures included in the ups electrical assembly 12 in the first cabinet 111. And load wiring and power wiring can be realized through the connecting element 14, which facilitates the field centralized processing of the service engineer and saves the occupied space in the second cabinet 112.

As shown in fig. 2 and 3, the plurality of circuit breakers 13 may be configured to include an input circuit breaker 131, an output circuit breaker 132, and a maintenance circuit breaker 133. The input of the input breaker 131 may be electrically connected to the power supply 2 through the connection element 14 and the output thereof is electrically connected to the input of the ups electrical assembly 12, the input of the output breaker 132 is electrically connected to the output of the ups electrical assembly 12 and the output thereof is electrically connected to the load 3 through the connection element 14, and the input of the maintenance breaker 133 is electrically connected to the power supply 2 through the connection element 14 and the output thereof is electrically connected to the load 3 through the connection element 14. Wherein, the input and output on each circuit breaker 13 all can be constructed as the copper bar, and the distance can be 15 millimeters and adopt the insulating piece to keep apart between them to satisfy safe distance. In addition, the connecting wires of the plurality of circuit breakers 13 can pass through the threading holes 114 on the longitudinal partition 113 to enter the first cabinet 111 to be electrically connected with the ups electrical components 12, and the wires are routed inside the housing to avoid the need of winding connection outside the ups, so that the routing is convenient and the appearance is attractive.

Illustratively, both the input breaker 131 and the output breaker 132 may be controlled to close and the service breaker 133 opened to provide power to the load 3 from the power source 2 through the ups electrical assembly 12. Alternatively, the input breaker 131 and the maintenance breaker 133 may be controlled to open and the output breaker 132 closed to directly power the load 3 from the ups 1. In addition, the input breaker 131 and the output breaker 132 may also be controlled to open and the service breaker 133 closed to provide power to the load 3 from the power source 2 without passing through the ups electrical assembly 12. Under the condition that power supply 2 does not pass through uninterruptible power supply electrical component 12 to supply power for load 3, uninterruptible power supply electrical component 12 is not electrified, and the uninterruptible power supply body that makes uninterruptible power supply electrical component 12 and first cabinet body 111 constitute gets into the maintenance mode to maintain the uninterruptible power supply body by the maintenance engineer, ensure maintenance engineer's safety simultaneously.

In another embodiment, the connecting element 14 and the plurality of circuit breakers 13 are structured to be separated on different side panels of the second cabinet 112. As shown in fig. 2, the connection element 14 is disposed on the left side panel 1125 of the second cabinet 112, and the plurality of circuit breakers 13 are disposed on the rear side panel 1123 of the second cabinet 112, so as to reasonably and fully utilize the space inside the second cabinet 112, reduce the volume of the second cabinet 112 as much as possible, and further reduce the floor space of the uninterruptible power supply 1 in this embodiment. It is understood that the connecting element 14 and the plurality of circuit breakers 13 may be disposed on the same side of the second cabinet 112, in case there is no requirement for the volume of the second cabinet 112 or the space of the second cabinet 112 is sufficiently large.

In another embodiment, as shown in fig. 2, the connection member 14 is configured to include a support plate and a connection terminal 143, and the support plate may be configured to include a first support plate 141 and a second support plate 142. Wherein the connection terminal 143 may be designed as a connection copper bar and installed on the second cabinet 112 via the first support plate 141 and the second support plate 142 substantially perpendicular to the first support plate 141, so as to improve the installation stability of the connection terminal 143 on the second cabinet 112 and avoid the shaking during the wiring process. In addition, the connection terminals 143 are disposed on the first support plate 141, which facilitates centralized handling by an operator and has a compact structure.

In another embodiment, as shown in fig. 2, the connection terminal 143 is configured to include power input terminals 1431 and load output terminals 1432 that are substantially uniformly spaced in the longitudinal direction along the first support plate 141 extending in the longitudinal direction, so as to reduce the volume of the second cabinet 112 by reasonably using the height area of the second cabinet 112. To satisfy the safety distance between the connection terminals 143, the air gap between the adjacent connection terminals 143 may be 45 mm. When the uninterruptible power supply 1 in this embodiment is connected to three-phase power and supplies the three-phase power to the load 3, the number of the power input terminals 1431 is four, and the power input terminals 1431 are respectively connected to a zero line and a three-phase live line, and the number of the load output terminals 1432 is three, and the three-phase live line is respectively connected to the load output terminals 1432. It is to be understood that the uninterruptible power supply 1 in the present embodiment may also be applied to access to a single-phase power supply and a single-phase load or to access to a three-phase power supply and a single-phase load, and the number of the power input terminals 1431 and the load output terminals 1432 may be selectively wired or arranged on the aforementioned power input terminals 1431 and the load output terminals 1432, respectively.

As shown in fig. 2 and 3, the input of the input breaker 131 can be electrically connected to the power source 2 through the power input terminal 1431 and the output thereof can be electrically connected to the input of the ups electrical assembly 12, the input of the output breaker 132 can be electrically connected to the output of the ups electrical assembly 12 and the output thereof can be electrically connected to the load 3 through the load output terminal 1432, and the input of the maintenance breaker 133 can be electrically connected to the power source 2 through the power input terminal 1431 and the output thereof can be electrically connected to the load 3 through the load output terminal 1432. In practical application, when the ups 1 in this embodiment is in an operating mode, the input breaker 131 and the output breaker 132 are both closed, and the maintenance breaker 133 is opened, so as to form a working circuit for supplying power to the load 3 from the power source 2 through the power source input terminal 1431, through the input breaker 131, through the ups electrical component 12, through the output breaker 132, and through the load output terminal 1432. When the uninterruptible power supply 1 in this embodiment is in the bypass mode, the input breaker 131 and the maintenance breaker 133 are opened, the output breaker 132 is closed, and a bypass circuit for supplying power to the load 3 is formed from the built-in battery of the uninterruptible power supply 1 through the output breaker 132 and through the load output terminal 1432 to the load 3. When the uninterruptible power supply 1 in this embodiment is in the maintenance mode, the input breaker 131 and the output breaker 132 are disconnected, the maintenance breaker 133 is closed, and a maintenance circuit from the power supply 2 to the load 3 through the power input terminal 1431 and the maintenance breaker 133 through the load output terminal 1432 is formed, at this time, the uninterruptible power supply electrical component 12 is not charged, and the uninterruptible power supply body formed by the uninterruptible power supply electrical component 12 and the first cabinet 111 can be maintained by a maintenance worker.

In another embodiment, the power source can be configured to include a first power source 21 and a second power source 22, the power input terminal 1431 can be configured to include a first power input terminal 1433 and a second power input terminal 1434, and the input breaker 131 can be configured to include a first input breaker 134 and a second input breaker 135. As shown in connection with fig. 2 and 4, the plurality of circuit breakers 13 may be configured to include a first input breaker 134, a second input breaker 135, an output breaker 132, and a service breaker 133. The input of the first input breaker 134 can be electrically connected to the first power source 21 through the first power input terminal 1433 and the output thereof is electrically connected to the input of the ups electrical assembly 12, the input of the second input breaker 135 can be electrically connected to the second power source 22 through the second power input terminal 1434 and the output thereof is electrically connected to the input of the ups electrical assembly 12, the input of the output breaker 132 is electrically connected to the output of the ups electrical assembly 12 and the output thereof is electrically connected to the load 3 through the load output terminal 1432, the input of the maintenance breaker 133 is electrically connected to the second power source 22 through the second power input terminal 1434 and the output thereof is electrically connected to the load 3 through the load output terminal 1432. The first power supply 21 and the second power supply 22 may both be mains power.

In practical applications, when the ups 1 in this embodiment is in the first operating mode, the first input breaker 134 and the output breaker 132 are both closed, and the second input breaker 135 and the maintenance breaker 133 are opened, so as to form a first operating circuit for supplying power to the load 3 from the first power source 21 through the first power source input terminal 1433, through the first input breaker 134, through the ups electrical component 12, through the output breaker 132, and through the load output terminal 1432. When the ups 1 in this embodiment is in the second operating mode, the second input breaker 135 and the output breaker 132 are both closed, the first input breaker 134 and the maintenance breaker 133 are opened, and a second operating circuit for supplying power to the load 3 is formed from the second power source 22 through the second power source input terminal 1434, through the second input breaker 135, through the ups electrical component 12, through the output breaker 132, and through the load output terminal 1432 to the load 3. When the uninterruptible power supply 1 in this embodiment is in the bypass mode, the first input breaker 134, the second input breaker 135, and the maintenance breaker 133 are opened, the output breaker 132 is closed, and a bypass circuit for supplying power to the load 3 is formed from the built-in battery of the uninterruptible power supply 1 through the output breaker 132 to the load 3 through the load output terminal 1432. When the ups 1 in this embodiment is in the maintenance mode, the first input breaker 134, the second input breaker 135, and the output breaker 132 are disconnected, and the maintenance breaker 133 is closed, so as to form a maintenance circuit from the second power source 22 through the second power source input terminal 1434, through the maintenance breaker 133, through the load output terminal 1432 to the load 3, at this time, the ups electrical component 12 is not charged, and the ups body formed by the ups electrical component 12 and the first cabinet 111 can be maintained by a maintenance worker. When the first power supply 21 and the ups body normally operate, the ups 1 adopts a first operating mode. When the first power supply 21 is abnormal and the uninterruptible power supply body works normally, the first working mode is switched to the second working mode. When the first power supply 21 and the second power supply 22 are both abnormal and the ups body is normal, the mode is switched to the bypass mode. When the uninterruptible power supply body fails, the uninterruptible power supply is switched to the second working mode and then switched to the maintenance mode, and because the uninterruptible power supply is connected to the second bypass power supply in the second working mode and the maintenance mode, the second working circuit and the maintenance circuit are at the same voltage, frequency and phase, so that the switching process is safe and reliable, and the influence on the operation of the load 3 is reduced as much as possible.

In another embodiment, as shown in fig. 2, the input breaker 131, the output breaker 132, and the service breaker 133 may be distributed in a longitudinal array within the second cabinet 112. Alternatively, the first input breaker 134, the second input breaker 135, the output breaker 132, and the service breaker 133 may be distributed in a longitudinal arrangement within the second cabinet 112. Therefore, the arrangement is compact, and the height area in the second cabinet can be fully utilized, so that the second cabinet body 112 is reduced, and the floor area of the uninterruptible power supply 1 in the embodiment is reduced.

In another embodiment, the side plates of the first cabinet 111 and the second cabinet 112 located at both sides of the longitudinal partition 113 on the same horizontal/longitudinal plane may be configured to be integrally formed, so as to improve the manufacturing efficiency and the assembling speed of the ups 1 in this embodiment. Alternatively, the side plates of the first cabinet 111 and the second cabinet 112 located at two sides of the longitudinal partition 113 on the same horizontal/longitudinal plane may be configured to be detachably connected, so that the second cabinet 112 can be detached from the first cabinet 111 when the ups 1 is in the maintenance mode, and then the ups body can be selectively maintained on site or moved to be maintained, thereby improving the maintenance convenience. Wherein, the longitudinal partition 113 can be retained on the first cabinet 111 or can be detached with the second cabinet 112. It is understood that the connection between the side panels of the first cabinet 111 and the side panels of the second cabinet 112 on the same horizontal/longitudinal plane may be directly through bolting, or indirectly through a post interposed therebetween or through other means that can achieve detachable connection of the two side panels.

In another embodiment, the longitudinal partition 113 is regarded as a right side plate of the second cabinet 112, and at least one of the longitudinal side plates of the second cabinet 112, including the front side plate 1121, the left side plate 1125, and the rear side plate 1123, is configured to be movably connected with the rest of the side plates of the second cabinet 112. For example, the front side plate 1121 is slidably connected to the upper side plate 1122, the left side plate 1125, the lower side plate 1124 and the longitudinal partition 113 of the second cabinet 112, so as to be able to slide outward along the plane of the front side plate 1121, so as to open the second cabinet 112, and further enable an engineer to operate the electrical components inside the switch cabinet. For another example, the front side panel 1121 may be pivotally connected to the second cabinet 112 about its juncture with the left side panel 1125 or the longitudinal partition 113, so as to be pivotable about the juncture to open the second cabinet 112. When the front side plate 1121 is slid or pivoted to close the second cabinet 112, a locking device may be further provided to lock the front side plate 1121 with the left side plate 1125 or the longitudinal partition 113. The left side panel 1125 or the remaining side panels for the second cabinet 112 may be arranged similarly to the front side panel 1121. The front side plate 1111, the upper side plate 1112, the lower side plate, the longitudinal partition 113, and the right side plate 1114 for the first cabinet 111 may be arranged similarly to the first cabinet 111.

Alternatively, the front side plate 1111 of the first cabinet 111 and the front side plate 1121 of the second cabinet 112 are detachably connected to each other. The upper side plate 1112 of the first cabinet 111 and the upper side plate 1122 of the second cabinet 112, the rear side plate 1113 of the first cabinet 111 and the rear side plate 1123 of the second cabinet 112, and the lower side plate 1112 of the first cabinet 111 and the lower side plate 1124 of the second cabinet 112 may be integrally formed. The front side plate 1111 of the first cabinet 111 is pivotally connected to the longitudinal partition 113 of the first cabinet 111. The front side panel 1121 of the second cabinet 112 is pivotally connected about the junction with the left side panel 1125.

In another embodiment, the rear side plate 1123 of the second cabinet 112 and the rear side plate 1113 of the first cabinet 111 may be provided with heat dissipation holes 115 to dissipate heat dissipated in the second cabinet 112 and the first cabinet 111, so as to avoid affecting the normal operation of the electrical components in the second cabinet 112 and the first cabinet 111.

It should be understood that although the description is in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations that may be made by those skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.

Claims

1. An uninterruptible power supply (1), an input terminal and an output terminal of the uninterruptible power supply (1) are respectively electrically connected to a power supply (2) and a load (3) to supply power to the load (3), characterized in that the uninterruptible power supply (1) includes:

the cabinet comprises a shell (11), wherein a longitudinal partition plate (113) is arranged in the shell (11) and used for dividing the shell (11) into a first cabinet body (111) and a second cabinet body (112) in the transverse direction, and threading holes (114) are formed in the longitudinal partition plate (113);

an uninterruptible power supply electrical assembly (12) disposed within the first cabinet (111);

a plurality of circuit breakers (13) and connection elements (14) arranged inside said second cabinet (112);

wherein, a plurality of circuit breakers (13) are constructed to include at least input circuit breaker (131), output circuit breaker (132) and maintenance circuit breaker (133), the input of input circuit breaker (131) passes through connecting element (14) electricity is connected power (2) and output pass through threading hole (114) electricity is connected the input of uninterrupted power supply electrical component (12), the input of output circuit breaker (132) passes through threading hole (114) electricity is connected the output of uninterrupted power supply electrical component (12) and output pass through connecting element (14) electricity is connected load (3), the input of maintenance circuit breaker (133) passes through connecting element (14) electricity is connected power (2) and output pass through connecting element (14) electricity is connected load (3), so that load (3) can be supplied power by power (2) pass through uninterrupted power supply electrical component (12), Or by the ups electrical component (12) or by the power source (2) without passing through the ups electrical component (12).

2. Uninterruptible power supply (1) according to claim 1, characterized in that said connection element (14) and said plurality of circuit breakers (13) are structured to be disposed on different side panels of said second cabinet (112).

3. Uninterruptible power supply (1) according to claim 1 or 2, characterized in that the connecting element (14) is configured to comprise a support plate and a connecting terminal (143), the connecting terminal (143) being mounted on the second cabinet (112) via the support plate.

4. The uninterruptible power supply (1) according to claim 3, characterized in that the connection terminals (143) are configured to include at least a power input terminal (1431) and a load output terminal (1432) distributed along the extension direction of the support plate, the input of the input breaker (131) is electrically connected to the power source (2) through the power input terminal (1431), the output of the output breaker (132) is electrically connected to the load (3) through the load output terminal (1432), the input of the maintenance breaker (133) is electrically connected to the power source (2) through the power input terminal (1431) and the output is electrically connected to the load (3) through the load output terminal (1432).

5. Uninterruptible power supply (1) according to claim 1, characterized in that said plurality of circuit breakers (13) are distributed longitudinally aligned inside said second cabinet (112).

6. Uninterruptible power supply (1) according to claim 1, characterized in that the side plates of the first (111) and second (112) cabinets adjacent to the same side of the longitudinal partition (113) are configured to be integrally formed.

7. Uninterruptible power supply (1) according to claim 1, characterized in that the side plates of the first (111) and second (112) cabinets adjacent to the same side of the longitudinal partition (113) are configured to be removably connected, so as to enable the separation of the first (111) and second (112) cabinets.

8. The uninterruptible power supply (1) of claim 1, wherein at least one of the longitudinal side panels of the second cabinet (112) is configured to be movably connected with the remaining side panels of the second cabinet (112) to enable the second cabinet (112) to be opened or closed.

9. The uninterruptible power supply (1) of claim 1, wherein a heat dissipation hole (115) is formed in a rear side plate of the second cabinet (112).