CN116826547A - Power distribution device, power distribution system and maintenance or replacement method for power distribution device - Google Patents

Abstract

Embodiments of the present application provide a power distribution device, a power distribution system, and a method for repairing or replacing the power distribution device. The power distribution device includes: a cabinet, which is divided into equipment compartments, busbar compartments and functional unit compartments; a UPS device is provided in the equipment compartment, and the UPS device has an input end and an output end; The busbar compartment is provided with a power distribution input busbar and a power distribution output busbar; the functional unit compartment is provided with functional devices, including a UPS input switch and a UPS output switch; the equipment compartment is divided into vertical busbars area, a vertical busbar is provided in the vertical busbar area, the input end of the UPS equipment is connected to the power distribution input busbar through the vertical busbar and the UPS input switch; and the output end of the UPS equipment passes through the The vertical busbar and the UPS output switch are connected to the power distribution output busbar.

Description

Electrical distribution devices, electrical distribution systems and methods of repair or replacement of electrical distribution devices

Technical field

The embodiments of the present application relate to the technical field of electric power equipment. More specifically, the embodiments of the present application relate to a power distribution device, a power distribution system, and a method for repairing or replacing a power distribution device.

Background technique

At present, the demand for rapid deployment of data center infrastructure is becoming stronger and stronger, resulting in more prefabricated products. Among them, low-voltage power module power distribution device is one of the widely used ones.

The low-voltage power module power distribution device integrates low-voltage cabinets, UPS cabinets, etc. on the same base. Due to the large difference in appearance and size between the UPS cabinet and the low-voltage cabinet, the entire power module has an inconsistent appearance and low aesthetics.

In addition, when UPS cabinets are currently integrated into low-voltage power module power distribution devices, UPS input and output switch cabinets need to be installed on both sides of the UPS cabinet. This connection method increases the length of the power module, thereby increasing the area occupied by the power module.

Contents of the invention

The purpose of this application is to provide a new technical solution for a power distribution device, a power distribution system and a method for repairing or replacing the power distribution device.

In a first aspect, the present application provides a power distribution device. The power distribution device includes a cabinet, which is divided into equipment compartments, busbar compartments and functional unit compartments;

A UPS device is provided in the device compartment, and the UPS device has an input end and an output end;

The busbar compartment is provided with a power distribution input busbar and a power distribution output busbar;

Functional devices are provided in the functional unit compartment, and the functional devices include a UPS input switch and a UPS output switch;

The equipment compartment is divided into a vertical busbar area, and a vertical busbar is provided in the vertical busbar area;

The input end of the UPS device is connected to the power distribution input bus through the vertical bus and the UPS input switch;

And the output end of the UPS device is connected to the power distribution output bus through the vertical bus and the UPS output switch.

Optionally, in the depth direction of the cabinet, the cabinet has a front door and a rear door arranged oppositely, wherein the equipment compartment is arranged close to the front door, and the functional unit compartment and the busbar compartment are both Set near the back door.

Optionally, a first partition is provided in the cabinet, the first partition is arranged parallel to the front door and the back door, and the first partition separates the cabinet into a front area and a front area. In the rear area, the equipment compartment is located in the front area, and the functional unit compartment and the busbar compartment are both located in the rear area.

Optionally, the functional unit compartment and the busbar compartment are both arranged close to the top of the cabinet, and the functional unit compartment and the busbar compartment are arranged adjacently.

Optionally, the cabinet includes a front door, a back door, side panels, a bottom panel and a top panel, and a heat dissipation area is provided on the front door, the rear door and the top panel.

Optionally, the power distribution input bus is a UPS input horizontal copper bar, the power distribution output bus is a UPS output horizontal copper bar, and the vertical bus is a vertical copper bar.

Optionally, the cabinet is also divided into secondary cable compartments;

In the height direction of the cabinet, the secondary cable compartment and the functional unit compartment are arranged adjacently; in the depth direction of the cabinet, the secondary cable compartment and the functional unit compartment The busbar compartments are arranged adjacent to each other.

Optionally, the cabinet is also divided into spare compartments;

In the depth direction of the cabinet, the spare compartment is arranged adjacent to the equipment compartment;

In the height direction of the cabinet, the spare compartment is adjacent to the functional unit compartment and the busbar compartment.

Optionally, the spare compartment includes a partition plate for connecting the spare compartment and the equipment compartment, and the partition plate is provided with heat dissipation holes.

Optionally, the equipment compartment is also divided into a battery cable area, and battery cables are arranged in the battery cable area.

In a second aspect, a power distribution system is provided. The power distribution system includes the power distribution device described in the first aspect.

A third aspect provides a method for repairing or replacing a power distribution device. The methods include:

Power off the UPS equipment;

Repair or replace the UPS equipment;

Power on the UPS device.

Optionally, powering off the UPS device includes: first turning off the UPS output switch in the functional unit compartment, and then turning off the UPS input switch in the functional unit compartment.

Optionally, the method of replacing the UPS device includes: first disconnecting the UPS device from the vertical busbar, and then replacing the UPS device.

Optionally, powering on the UPS device includes: first closing the UPS input switch, and testing the UPS device in a charged state; after passing the detection, closing the UPS output switch to complete the On-load power supply of UPS equipment.

According to an embodiment of the present application, a power distribution device is provided. The power distribution device integrates the equipment compartment for installing UPS equipment, the busbar compartment for installing busbars, and the functional unit compartment for installing various functional devices, shortening the width of a single power distribution device; when multiple Two power distribution devices are connected to form a power distribution system, effectively shortening the length of the power distribution system.

Other features of the present specification and its advantages will become apparent from the following detailed description of exemplary embodiments of the present specification with reference to the accompanying drawings.

Description of the drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the specification and together with the description, serve to explain the principles of the specification.

Figure 1 shows a schematic structural diagram of a power distribution device provided by an embodiment of the present application.

Figure 2 shows a rear view of the power distribution device provided by the embodiment of the present application.

Figure 3 shows a connection diagram of multiple power distribution devices provided by an embodiment of the present application.

Explanation of reference symbols:

1. Cabinet; 11. Front door; 12. Back door; 13. Top plate; 14. Bottom plate; 15. First partition;

2. Equipment compartment; 21. UPS equipment; 22. Vertical busbar; 23. Battery cable area;

3. Functional unit compartment; 31. UPS input switch; 32. UPS output switch;

4. Busbar compartment;

5. Secondary cable compartment;

6. Spare compartment;

7. Heat dissipation area.

Detailed ways

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions, and numerical values set forth in these examples do not limit the scope of the present application unless otherwise specifically stated.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application or its application or uses.

Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques and equipment should be considered a part of the specification.

In all examples shown and discussed herein, any specific values are to be construed as illustrative only and not as limiting. Accordingly, other examples of the exemplary embodiments may have different values.

It should be noted that similar reference numerals and letters refer to similar items in the following figures, so that once an item is defined in one figure, it does not need further discussion in subsequent figures.

An embodiment of the present application provides a power distribution device. Referring to Figures 1-3, the power distribution device includes: a cabinet 1, which is divided into an equipment compartment 2, a busbar compartment 4 and a functional unit compartment 3.

A UPS device 21 is provided in the device compartment 2, and the UPS device 21 has an input end and an output end.

The busbar compartment 4 is provided with a power distribution input busbar and a power distribution output busbar.

Functional devices are provided in the functional unit compartment 3, and the functional devices include a UPS input switch 31 and a UPS output switch 32. The functional devices also include smart meters, current transformers, etc., and can also include UPS test switches or backup switches.

The equipment compartment 2 is divided into a vertical busbar area, and a vertical busbar 22 is provided in the vertical busbar area.

The input end of the UPS device 21 is connected to the power distribution input bus through the vertical bus 22 and the UPS input switch 31;

And the output end of the UPS device 21 is connected to the power distribution output bus through the vertical bus 22 and the UPS output switch 32 .

UPS equipment (uninterruptible power supply) is a power supply product. Existing UPS equipment generally does not have a circuit breaker inside, only a load switch. . In the integration of power modules, UPS equipment needs to use electrical equipment such as switch cabinets to achieve UPS input and output protection. The switch cabinets are often located on both sides of the UPS equipment, which makes the entire power module longer, causing the problem that the power module occupies a larger area. In addition, due to the large difference in appearance size between the UPS equipment and the switch cabinet, the entire power module The aesthetics are reduced.

Based on the above problems, embodiments of the present application provide a new type of power distribution device, in which the power distribution device integrates the equipment compartment 2, the functional unit compartment 3 and the busbar compartment 4 into a cabinet 1, effectively shortening the power module length.

Specifically, the power distribution device includes a cabinet 1. The cabinet 1 includes a frame, plates and doors installed on the frame. These plates and doors enclose the inner space of the cabinet 1. For example, the front door 11 is provided on the front side of the cabinet 1, and the back door 12 is provided on the rear side of the cabinet 1. The door and the frame are connected through hinges. In combination with the size of the cabinet 1 and the distribution of the compartments, multiple doors are provided on the cabinet 1 . In an optional embodiment, the size of the cabinet 1 is basically the same as the size of the low-voltage cabinet it is connected to, so that the appearance of the power module is basically uniform.

The cabinet 1 is provided with independent compartments separated by partitions, wherein the compartments include an equipment compartment 2, a busbar compartment 4 and a functional unit compartment 3. Optionally, the partition can be a fixed partition or a movable partition. When each compartment is formed by being separated by fixed partitions, the internal space of each compartment is not adjustable; when each compartment is formed by being separated by movable partitions, the internal space of each compartment is adjustable. For example, the cabinet 1 is divided into multiple independent compartments by partitions. The internal spaces of some compartments are adjustable, while the internal spaces of some compartments are not adjustable.

Optionally, the partitions are all grounded metal plates or insulating plates.

It should be noted that whether the internal space of each compartment can be adjusted can be adjusted according to actual needs.

The cabinet 1 is separated by partitions to form an equipment compartment 2. Specifically, the equipment compartment 2 is an independent compartment enclosed by a grounded metal plate or an insulating plate.

The equipment compartment 2 is used to install UPS equipment 21. For example, the UPS device 21 is installed flush-mounted in the device compartment 2 . Optionally, the equipment compartment 2 is compatible with UPS equipment 21 of different sizes. For example, the internal space of the equipment compartment 2 can meet the largest size of UPS equipment 21 on the market, so that the equipment compartment 2 can accommodate the installation of UPS equipment 21 of different sizes. In addition, the UPS equipment 21 is embedded in the equipment compartment 2, and all connecting lines connected to the UPS equipment 21 are set inside the cabinet 1, which is compatible with UPS equipment 21 of different sizes and with UPSs of different sizes. Device 21 connection.

The cabinet 1 is separated by partitions to form a busbar compartment 4. Specifically, the busbar compartment 4 is an independent compartment surrounded by a grounded metal plate or an insulating plate.

The busbar compartment 4 is installed with the power distribution input busbar and the power distribution output busbar of the power distribution device. In the prior art, the power distribution input busbar and the power distribution output busbar are arranged outside the UPS device 21, or the power distribution input busbar, the power distribution output busbar and the UPS device 21 are located in different cabinets.

The embodiment of the present application integrates the busbar compartment 4 and the equipment compartment 2 (that is, the busbar compartment 4 and the equipment compartment 2 are integrated into a cabinet 1), and the UPS equipment 21 is connected to the power distribution input through the vertical busbar 22. Busbar and distribution output busbar connections. For example, the length and width of the vertical busbar 22 can be adjusted so that UPS devices 21 of different sizes can be connected to the distribution input busbar and power distribution output busbar in the busbar compartment 4 . That is, the vertical busbar 22 is used to match the connection positions of UPSs of different sizes.

Specifically, the power distribution input busbar is used to receive power and connect to the power supply, and is connected to the input end of the UPS device 21 through the vertical busbar 22; the power distribution output busbar is used to feed power and connect the output distribution cabinet (which can be a low-voltage cabinet). And connected to the output end of the UPS device 21 through the vertical bus 22. When the UPS device 21 is being repaired or replaced, it can be connected to the power distribution cabinet through the power distribution output busbar and directly supply power to the power distribution cabinet. That is, the charging or de-energizing status of the UPS device 21 does not affect the charging status of the distribution input busbar and the distribution output busbar in the busbar compartment 4 .

The cabinet 1 is separated by partitions to form a functional unit compartment 3, and the functional unit compartment 3 is an independent compartment enclosed by a grounded metal plate or an insulating plate. Various functional devices are installed in the functional unit compartment 3. In the prior art, functional devices are devices that the UPS device 21 does not have itself and need to be provided by electrical equipment such as switch cabinets, which will lengthen the length of the power module. For example, in the prior art, it is necessary to install input and output switch cabinets related to the UPS power cabinet on both sides of the UPS power cabinet, which lengthens the length of the entire power distribution system.

The embodiment of the present application integrates the functional unit compartment 3 and the equipment compartment 2 into the cabinet 1 of the power distribution device, reducing the power distribution space occupied by the input and output power distribution protection of the UPS equipment 21 and effectively shortening the power module length. Specifically, after this arrangement, there is no need to install additional electrical equipment such as switch cabinets on both sides of the UPS power cabinet, which shortens the length of the power module; in addition, the functional unit compartment 3 and the equipment compartment 2 are integrated together, and the functions When the functional devices in the unit compartment 3 are connected to the UPS equipment 21, the connecting wires are in the cabinet 1. This arrangement also improves the reliability of the connection.

Specifically, the functional device includes a UPS input switch 31 and a UPS output switch 32 . One side of the vertical busbar 22 is connected to the input end of the UPS device 21 and the output end of the UPS device 21 respectively. The other side of the vertical bus 22 is connected to the power distribution input bus and the power distribution output bus through the UPS input switch 31 and the UPS output switch 32 respectively. For example, one side of the vertical bus 22 is connected to the input end of the UPS device 21, and the other side of the vertical bus 22 is connected to the power distribution input bus through the UPS input switch 31; and one side of the vertical bus 22 is connected to the output end of the UPS device 21. , the other side of the vertical bus 22 is connected to the power distribution output bus through the UPS output switch 32 . After disconnecting the UPS input switch 31 and the UPS output switch 32, the vertical bus 22 is powered off, and the UPS device 21 is disconnected from the distribution input bus and the distribution output bus. At this time, the bus pairs in the bus compartment 4 are not affected. Power distribution cabinet. That is, after the UPS input switch 31 and the UPS output switch 32 are turned off, all the charged objects in the equipment compartment 2 are in a de-energized state, but the charging status of the distribution input bus and distribution output bus in the busbar compartment 4 is not affected.

Therefore, in the embodiment of the present application, a power distribution device is provided. The power distribution device integrates the equipment compartment 2 for installing UPS equipment 21, the busbar compartment 4 for installing busbars, and the functional unit compartment 3 for installing various functional devices, effectively shortening the length of the power module.

Referring to Figure 3, an embodiment of the present application provides a power distribution system, wherein the power distribution system includes multiple power distribution devices, and the multiple power distribution devices are connected together. The distribution system has a neat appearance and also reduces the length of the distribution system.

Optionally, the functional devices also include smart meters, current transformers, etc., and may also include UPS test switches, backup switches, indicator lights, etc.

In a specific embodiment, referring to Figures 1 and 2, in the depth direction of the cabinet 1, the cabinet 1 has a front door 11 and a rear door 12 arranged oppositely, wherein the equipment compartment 2 is close to the The front door 11 is provided, and the functional unit compartment 3 and the busbar compartment 4 are both located close to the rear door 12 .

In this embodiment, the equipment compartment 2 is located within the cabinet 1 and is located close to the front door of the cabinet 1 . The functional unit compartment 3 is located in the cabinet 1 and is located close to the back door of the cabinet 1 , and the busbar compartment 4 is located in the cabinet 1 and is located close to the back door of the cabinet 1 .

In this embodiment, the equipment compartment 2 and the functional unit compartment 3 are staggered back and forth in the cabinet 1, avoiding side-by-side arrangement and shortening the width of a single power distribution device. When multiple power distribution devices are connected together to form a power distribution system, the entire length of the power distribution system is shortened.

For example, in a specific embodiment, the cabinet 1 includes a front door 11 and a back door 12. The front door 11, the side panels of the cabinet 1, the top panel 13 of the cabinet 1 and the partitions located in the cabinet 1 form a Equipment compartment 2. The back door 12 of the cabinet 1 , the side panels of the cabinet 1 and the partitions located inside the cabinet 1 form a functional unit compartment 3 . The rear door of the cabinet 1 , the partition located inside the cabinet 1 and the top plate 13 of the cabinet 1 form a busbar compartment 4 .

In a specific embodiment, referring to FIG. 1 , a first partition 15 is provided in the cabinet 1 , and the first partition 15 is movable along the depth direction of the cabinet 1 . The partition 15 separates the cabinet 1 into a front area and a rear area; the equipment compartment 2 is located in the front area, and the functional unit compartment 3 and the busbar compartment 4 are located in the rear area.

In this embodiment, a first partition 15 is disposed in the cabinet 1 , wherein the first partition 15 is movably disposed in the cabinet 1 . Specifically, the first partition 15 can move along the depth direction of the cabinet 1 and can adaptively adjust the size of the front area and the rear area in the cabinet 1 . For example, the size of the front area of the cabinet 1 is adaptively adjusted according to the size of the UPS device 21 and the connection relationship of the UPS device 21 . For example, the size of the rear area of the cabinet 1 is adaptively adjusted according to the arrangement of the functional devices in the functional unit compartment 3 and the arrangement of the distribution input busbars and the distribution output busbars in the busbar compartment 4 .

In a specific embodiment, referring to Figure 1, the functional unit compartment 3 and the busbar compartment 4 are provided close to the top of the cabinet 1, and the functional unit compartment 3 and the busbar compartment 4 adjacent settings.

In this embodiment, the busbar compartment 4 is provided close to the top of the cabinet 1 . For example, the busbar compartment 4 is formed by the top plate 13 of the cabinet 1 and the partitions located in the cabinet 1 .

The functional unit compartment 3 is arranged adjacent to the busbar compartment 4, that is, the functional unit compartment 3 and the busbar compartment 4 share a partition, making the arrangement of compartments in the cabinet 1 more compact. For example, the partition board located in the cabinet 1 and the back door 12 form a functional unit compartment 3 .

In a specific embodiment, referring to Figure 1, the cabinet 1 includes a front door 11, a back door 12, side panels, a bottom panel 14 and a top panel 13. The front door, the rear door and the top panel 13 are all provided with heat dissipation devices. Area 7.

For example, the cabinet 1 includes a front door 11, a back door 12, side panels, a top plate 13 and a bottom plate 14. Ventilation and heat dissipation holes are provided on the front door 11, the back door 12 and the top plate 13 of the cabinet 1 for ventilation and heat dissipation of the UPS device 21. requirements, as well as ventilation and heat dissipation requirements for each functional device in the functional unit compartment 3. The area of the ventilation and heat dissipation area 7 provided on the door or board of the cabinet 1 is larger than the ventilation area required by the UPS equipment 21 and larger than the ventilation area required by the functional devices. The opening area and area of the ventilation and heat dissipation holes can be adapted in combination with different UPS equipment 21 and various functional devices to ensure the ventilation needs of the power distribution device.

In a specific embodiment, the power distribution input bus is a UPS input horizontal copper bar, the power distribution output bus is a UPS output horizontal copper bar, and the vertical bus 22 is a vertical copper bar.

In this embodiment, the power distribution input bus is defined as the UPS input horizontal copper bar, the power distribution output bus is the UPS output horizontal copper bar, and the vertical bus 22 is a vertical copper bar, that is, all the bus bars in the UPS equipment 21 and the bus compartment 4 Directly connected using copper bars. Among them, direct connection of copper bars can achieve impedance balance and effectively reduce the parallel load current imbalance of UPS equipment.

In an optional embodiment, the connection between the vertical copper bars in the equipment compartment 2 and the UPS equipment 21 may be bolted connection or plug-in terminal connection.

In a specific embodiment, referring to Figure 1, the cabinet 1 is also divided into a secondary cable compartment 5; in the height direction of the cabinet 1, the secondary cable compartment 5 and The functional unit compartments 3 are arranged adjacently; in the depth direction of the cabinet 1, the secondary cable compartment 5 and the busbar compartment 4 are arranged adjacently.

In this embodiment, the cabinet 1 is also divided into a secondary cable compartment 5 , wherein the secondary cable compartment 5 is an independent compartment enclosed by a grounded metal plate or an insulating plate. The secondary cable compartment 5 is used for laying secondary cables, and the secondary cable is used for secondary cable connection with functional devices in the functional unit compartment 3 .

In this embodiment, the secondary cable compartment 5 is provided close to the rear area of the cabinet 1 , for example, it is formed by the rear door 12 of the cabinet 1 , the top plate 13 of the cabinet 1 and a partition located in the cabinet 1 Secondary cable compartment 5. Referring to Figure 1, in the schematic diagram of the power distribution device, the secondary cable compartment 5 is located in the upper right corner of the cabinet 1.

In this embodiment, the arrangement of the secondary cable compartment 5, the functional unit compartment 3 and the busbar compartment 4 is limited so that the arrangement of each compartment in the cabinet 1 is compact.

In a specific embodiment, referring to Figure 1, the cabinet 1 is also divided into a spare compartment 6;

In the depth direction of the cabinet 1, the spare compartment 6 is arranged adjacent to the equipment compartment 2;

In the height direction of the cabinet 1 , the spare compartment 6 is adjacent to the functional unit compartment 3 and the busbar compartment 4 .

In this embodiment, the spare compartment 6 is enclosed by a grounded metal plate to form an independent compartment. The spare compartment 6 can be used as a ventilation compartment to meet the ventilation needs of the power distribution device; or the spare compartment 6 can be used as an inspection compartment to facilitate maintenance of the power distribution device.

In this embodiment, in the height direction of the cabinet 1, the spare compartment 6 is arranged adjacent to the functional unit compartment 3, and the spare compartment 6 is arranged adjacent to the busbar compartment 4. For example, the functional unit compartment 3 and The busbar compartment 4 is arranged close to the top area of the cabinet 1 , and the spare compartment 6 is located below the functional unit compartment 3 and the busbar compartment 4 . And in the depth direction of the cabinet 1, the spare compartment 6 and the equipment compartment 2 are arranged adjacently. Referring to Figure 1, the spare compartment 6 is located in the rear area of the cabinet 1, and the equipment compartment 2 is located in the front of the cabinet 1. side area.

The embodiment of the present application limits the arrangement of each compartment in the cabinet 1 so that the arrangement of each compartment in the cabinet 1 is compact.

In a specific embodiment, the spare compartment 6 includes a partition plate for connecting the spare compartment 6 and the equipment compartment 2, and the partition plate is provided with heat dissipation holes.

In this embodiment, heat dissipation holes are provided on the partition connecting the spare compartment 6 and the equipment compartment 2 (refer to FIG. 1 , corresponding to the first partition 15 above), that is, the spare compartment 6 and the equipment compartment 2 are provided with heat dissipation holes. Chambers 2 are connected through heat dissipation holes to meet the heat dissipation needs of the UPS equipment 21 in the equipment compartment 2.

In an optional embodiment, the spare compartment 6 includes a partition for connecting the spare compartment 6, the functional unit compartment 3 and the busbar compartment 4, and can also be opened on the partition. There are heat dissipation holes, which can meet the heat dissipation needs of the functional devices in the functional unit compartment 3, as well as the heat dissipation needs of the UPS input busbar and UPS output busbar in the busbar compartment 4.

In a specific embodiment, referring to Figure 1, the equipment compartment 2 is also divided into a battery cable area 23, and battery cables are arranged in the battery cable area 23.

The battery cable area 23 and the vertical busbar area are both located in the equipment compartment 2. By adjusting the electrical connection positions of the vertical busbar and battery cable in the vertical busbar area and the battery cable area, it can be compatible with UPS equipment of multiple brands. For example, the setting position of the battery cable in the battery cable area 23 is adjusted according to the model and size of the UPS equipment, and the setting position of the vertical busbar 22 in the vertical busbar area is adjusted according to the model and size of the UPS equipment.

In this embodiment, the equipment compartment 2 is divided into a battery cable area 23 , and the battery cable area 23 is used for the inlet and outlet of the battery cable of the UPS equipment 21 and the connection with the UPS equipment 21 .

In this embodiment, the space in the equipment compartment 2 is rationally utilized to achieve compatibility with the connection of the UPS equipment 21 .

An embodiment of the present application also provides a method for repairing or replacing a power distribution device. The methods include:

Power off the UPS device 21;

Repair or replace the UPS equipment 21;

Power on the UPS device 21 .

In the embodiment, a method of repairing or replacing a power distribution device is provided, specifically involving a method of repairing or replacing the UPS device 21 in the power distribution device, so that when ensuring normal power supply of the entire power module, the UPS device 21 was overhauled or replaced.

Specifically, the power distribution input busbar is used to receive power and connect to the power supply, and is connected to the input end of the UPS device 21 through the vertical busbar 22; the power distribution output busbar is used to feed power and connect the output distribution cabinet (which can be a low-voltage cabinet) , and is connected to the output end of the UPS device 21 through the vertical bus 22. Therefore, when the UPS device 21 is powered off, the UPS device 21 is repaired or replaced, and the UPS device 21 is powered on, the busbar is The power distribution input bus and power distribution output bus in Room 4 are normally charged and supply power, ensuring the normal power supply of the entire power module.

In a specific embodiment, powering off the UPS device 21 includes: first turning off the UPS output switch 32 in the functional unit compartment 3, and then turning off the UPS in the functional unit compartment 3. Enter switch 31.

In a specific embodiment, powering on the UPS device 21 includes: first closing the UPS input switch 31, and testing the UPS device 21 in a charged state; after passing the detection, closing the UPS input switch 31. The output switch of the UPS completes the on-load power supply of the UPS device 21 .

In a specific embodiment, the method of replacing the UPS device 21 includes: first disconnecting the UPS device 21 from the vertical busbar 22 , and then replacing the UPS device 21 .

Specifically, when the UPS equipment 21 needs maintenance, first turn off the UPS output switch 32 in the functional unit compartment 3, and then turn off the UPS input switch 31 in the functional unit compartment 3 to power off the UPS equipment 21; at the same time, The environment in the equipment compartment 2 is in a non-energized condition, and the UPS equipment 21 can be inspected and repaired.

After the maintenance of the UPS equipment 21 is completed, first close the UPS input switch 31 to detect the charged state of the UPS equipment 21. After passing the detection, close the UPS output switch 32 to complete the on-load power supply of the UPS equipment 21. Throughout the above process, the UPS input busbar and UPS output busbar in busbar compartment 4 are normally charged and powered, ensuring normal power supply for the entire power module.

Specifically, when the UPS equipment 21 needs to be replaced, first turn off the UPS output switch 32 in the functional unit compartment 3, and then turn off the UPS input switch 31 in the functional unit compartment 3 to power off the UPS equipment 21; The environment in the compartment 2 is in a non-energized condition. At the same time, the connection between the UPS device 21 and the vertical busbar 22 is released, and the UPS device 21 is replaced. After the replacement of the UPS device 21 is completed, first close the UPS input switch 31 to detect the UPS charged state. After passing the test, close the UPS output switch 32 to complete the on-load power supply of the UPS device 21 . In the above whole process, the UPS input copper bar and the UPS output copper bar in the busbar compartment 4 are normally charged and powered, ensuring the normal power supply of the entire power module.

In an optional embodiment, the UPS input switch 31 and the output switch in the functional unit compartment 3 are connected to the UPS device 21 through the auxiliary contacts respectively. , realize that when the UPS output switch 32 is opened, the UPS device 21 stops output power supply and sends an alarm signal; when the UPS input switch 31 is opened, the UPS device 21 interrupts the mains power supply and sends an alarm signal.

The above embodiments focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not inconsistent, they can be combined to form a better embodiment. Considering the simplicity of the writing, they will not be discussed here. Repeat.

Although some specific embodiments of the present application have been described in detail through examples, those skilled in the art will understand that the above examples are for illustration only and are not intended to limit the scope of the present application. Those skilled in the art will understand that the above embodiments can be modified without departing from the scope and spirit of the application. The scope of the application is defined by the appended claims.

Claims (15)

1. A power distribution device, characterized in that it includes a cabinet (1). The cabinet (1) is divided into an equipment compartment (2), a busbar compartment (4) and a functional unit compartment (3). ; A UPS device (21) is provided in the device compartment (2), and the UPS device (21) has an input end and an output end; The busbar compartment (4) is provided with a power distribution input busbar and a power distribution output busbar; Functional devices are provided in the functional unit compartment (3), and the functional devices include a UPS input switch (31) and a UPS output switch (32); The equipment compartment (2) is divided into a vertical busbar area, and a vertical busbar (22) is provided in the vertical busbar area; The input end of the UPS device (21) is connected to the power distribution input bus through the vertical bus (22) and the UPS input switch (31); And the output end of the UPS device (21) is connected to the power distribution output bus through the vertical bus (22) and the UPS output switch (32). 2. The power distribution device according to claim 1, characterized in that, in the depth direction of the cabinet (1), the cabinet (1) has a front door and a rear door arranged oppositely, wherein the equipment compartment (2) Set close to the front door, and both the functional unit compartment (3) and the busbar compartment (4) are set close to the back door. 3. The power distribution device according to claim 1, characterized in that a first partition (15) is provided in the cabinet (1), and the first partition (15) can be installed along the cabinet (1). The cabinet (1) moves in the depth direction, and the first partition (15) divides the cabinet (1) into a front area and a rear area; the equipment compartment (2) is located in the front area. , the functional unit compartment (3) and the busbar compartment (4) are both located in the rear area. 4. The power distribution device according to claim 1, characterized in that the functional unit compartment (3) and the busbar compartment (4) are both arranged close to the top of the cabinet (1), and the The functional unit compartment (3) and the busbar compartment (4) are arranged adjacent to each other. 5. The power distribution device according to claim 1, characterized in that the cabinet (1) includes a front door (11), a back door (12), side plates, a bottom plate (14) and a top plate (13). The front door (11), the back door (12) and the top plate (13) are all provided with heat dissipation areas (7). 6. The power distribution device according to claim 1, characterized in that the power distribution input bus is a UPS input horizontal copper bar, the power distribution output bus is a UPS output horizontal copper bar, and the vertical bus (22) It is a vertical copper bar. 7. The power distribution device according to any one of claims 1 to 4, characterized in that the cabinet (1) is also divided into secondary cable compartments (5); In the height direction of the cabinet (1), the secondary cable compartment (5) and the functional unit compartment (3) are arranged adjacently; in the depth direction of the cabinet (1) , the secondary cable compartment (5) and the busbar compartment (4) are arranged adjacent to each other. 8. The power distribution device according to claim 1, characterized in that the cabinet (1) is also divided into a spare compartment (6); In the depth direction of the cabinet (1), the spare compartment (6) is arranged adjacent to the equipment compartment (2); In the height direction of the cabinet (1), the spare compartment (6) is adjacent to the functional unit compartment (3) and the busbar compartment (4). 9. The power distribution device according to claim 8, characterized in that the spare compartment (6) includes a partition for connecting the spare compartment (6) and the equipment compartment (2), The partition plate is provided with heat dissipation holes. 10. The power distribution device according to claim 1, characterized in that the equipment compartment (2) is also divided into a battery cable area (23), and battery cables are arranged in the battery cable area (23). 11. A power distribution system, characterized in that the power distribution system includes the power distribution device according to any one of claims 1-10. 12. A method for repairing or replacing a power distribution device, characterized in that, based on the power distribution device according to any one of claims 1 to 10, the method includes: Power off the UPS equipment (21); Repair or replace the UPS equipment (21); Power on the UPS device (21). 13. The method of repairing or replacing the power distribution device according to claim 12, characterized in that: Powering off the UPS device (21) includes: first turning off the UPS output switch (32) in the functional unit compartment (3), and then turning off the UPS in the functional unit compartment (3). Input switch (31). 14. The method of repairing or replacing the power distribution device according to claim 13, characterized in that: The method of replacing the UPS device (21) includes: first disconnecting the UPS device (21) from the vertical busbar (22), and then replacing the UPS device (21). 15. The method of repairing or replacing the power distribution device according to claim 12, characterized in that: Powering on the UPS device (21) includes: first closing the UPS input switch (31), and testing the UPS device (21) in a charged state; after passing the detection, closing the UPS output The switch (32) completes the on-load power supply of the UPS device (21).