CN204179956U - Uninterrupted power supply - Google Patents

Abstract

The utility model relates to uninterrupted power supply, comprises cabinet, is provided with input device, rectification module, inversion module and output device in cabinet; Input device, rectification module, inversion module and output device are disposed adjacent successively by poower flow order, and are directly connected between adjacent devices.The utility model is by rationally arranging the input device of uninterrupted power supply, rectification module, inversion module and the layout type of output device in cabinet, make device power flow path in cabinet the shortest and move towards clear, thus improving the EMC performance of uninterrupted power supply.

Description

ups

technical field

The utility model relates to the field of electronic technology, and more specifically relates to an uninterruptible power supply.

Background technique

At present, the power density of many high-power tower power electronic products is getting higher and higher, such as uninterruptible power supply (Uninterruptible Power System, UPS), often because the global layout is not considered based on electromagnetic compatibility (ElectroMagnetic Compatibility, EMC), there are power flow paths Problems such as elongation or irregularity, radiation interference of magnetic components, etc., will affect the EMC effect of the whole machine, so it is necessary to add additional components such as magnetic rings to meet EMC requirements.

Moreover, at present, the AC and DC customer terminals of most UPSs are placed in the same area. After the input and output cables enter the cabinet, the power flow is not smooth, causing the input and output to affect each other. At the same time, the magnetic components are often not effectively connected with the power devices isolation, which affects the EMC effect of the whole machine.

Utility model content

The technical problem to be solved by the utility model is to provide an uninterruptible power supply with better EMC performance in view of the above defects of the prior art.

The technical scheme that the utility model solves its technical problem adopts is:

Construct an uninterruptible power supply, including a cabinet, the cabinet is provided with an input device, a rectifier module, an inverter module and an output device; wherein, the input device, the rectifier module, and the inverter module The devices at the output end are arranged adjacent to each other in order of power flow, and the adjacent devices are directly connected.

In the uninterruptible power supply of the present invention, a partition is arranged in the cabinet, and the partition divides the interior space of the cabinet into a front compartment and a rear compartment.

In the uninterruptible power supply described in the present utility model, the transformers and inductors in the input device and the output device are arranged in the rear compartment.

The uninterruptible power supply described in the present utility model, wherein, the DC input/output cable connecting the input device and the output device is arranged in the rear compartment;

An AC input/output cable connecting the input device and the output device is arranged in the front compartment.

In the uninterruptible power supply described in the present invention, the input device is arranged at the lower left side of the front warehouse, and the output device is arranged at the lower right side of the front warehouse.

The uninterruptible power supply described in the utility model, wherein, the input device includes a main input terminal, a main input switch, an input transformer and an input inductor; the output device includes a main output terminal, a main output switch, and an output transformer and output inductance.

The uninterruptible power supply described in the utility model, wherein, the main input terminal, the main input switch, the input transformer, the input inductor, the rectifier module, the inverter module, and the output inductor , the output transformer, the main output switch and the main output terminal are arranged adjacently in sequence.

The uninterruptible power supply described in the utility model, wherein, the rectifier module, the inverter module, the main input terminal, the main input switch, the main output terminal and the main output switch are arranged at Inside the front compartment.

The uninterruptible power supply of the utility model, wherein, the input transformer, the output transformer, the input inductor and the output inductor are arranged in the rear compartment.

The uninterruptible power supply of the utility model, wherein, the main input terminal and the main input switch are arranged on the left side of the lower part of the front compartment, and the rectification module is arranged on the upper left side of the front compartment;

The inverter module is arranged on the upper right side of the front compartment, and the main output terminal and the main output switch are arranged on the lower right side of the front compartment.

The beneficial effect of the utility model is that: the input device, the rectifier module, the inverter module and the output device of the uninterruptible power supply are arranged adjacently in the cabinet according to the order of power flow, and the adjacent devices are directly connected, The power flow path of the components in the cabinet is the shortest and the direction is clear, thereby improving the EMC performance of the uninterruptible power supply.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a functional block diagram of the internal power flow of an uninterruptible power supply of a preferred embodiment of the present invention;

Fig. 2 is a schematic diagram of the internal front compartment layout of the uninterruptible power supply in a preferred embodiment of the present invention;

Fig. 3 is a schematic diagram of the separation structure of the uninterruptible power supply front warehouse and rear warehouse in a preferred embodiment of the present invention;

Fig. 4 is a schematic diagram of the layout of the rear compartment of the uninterruptible power supply of the preferred embodiment of the present invention.

Detailed ways

The principle block diagram of the internal power flow of the uninterruptible power supply of the preferred embodiment of the utility model is shown in Figure 1, and the layout is shown in Figure 2, Figure 3 and Figure 4, including a cabinet body 10, and an input terminal device 20 is arranged in the cabinet body 10 , a rectifier module 30, an inverter module 40, and an output device 50; wherein, the input device 20, the rectifier module 30, the inverter module 40, and the output device 50 are arranged adjacently in sequence in order of power flow, and between adjacent devices Directly connected, so that the power flow path of the devices in the cabinet 10 is the shortest and the direction is clear, so that the EMC performance of the uninterruptible power supply is improved.

In a further embodiment, as shown in FIG. 3 and FIG. 4 , a partition 13 is provided in the cabinet 10 of the above-mentioned uninterruptible power supply, and the partition 13 divides the inner space of the cabinet 10 into a front compartment 11 and a rear compartment 12 . Through the separate arrangement of the front compartment 11 and the rear compartment 12 , large magnetic components can be placed in the rear compartment 12 for isolation, and the input and output, DC and AC in the cabinet 10 can also be isolated.

Preferably, as shown in FIG. 4 , referring to FIG. 1 and FIG. 2 at the same time, the transformers and inductors in the input device 20 and output device 50 of the uninterruptible power supply are arranged in the rear compartment 12 . Since the transformer and inductance are relatively large magnetic components, they are isolated from other devices (such as rectifier module 30, inverter module 40, etc.) EMC performance of UPS.

Preferably, as shown in Figure 2 and Figure 4, referring to Figure 1 at the same time, the DC input/output cable connecting the input device 20 and the output device 50 in the above uninterruptible power supply is arranged in the rear compartment 12, and the input terminal is connected The AC input/output cables of the device 20 and the output device 50 are arranged in the front compartment 11 to realize AC and DC isolation, avoid mutual interference between AC and DC, and improve the EMC performance of the uninterruptible power supply.

Preferably, as shown in Figure 2 and Figure 4, referring to Figure 1 at the same time, the input device 20 of the above-mentioned uninterruptible power supply is arranged at the lower left side of the front warehouse 11, and the output device 50 is arranged at the lower right side of the front warehouse 11, so that no The input and output parts of the uninterruptible power supply are isolated in the front compartment 11, which avoids mutual interference between the input and output, and improves the EMC performance of the uninterruptible power supply.

In a further embodiment, as shown in FIG. 1, the input device 20 of the above-mentioned uninterruptible power supply includes a main input terminal 21, a main input switch 22, an input transformer 23 and an input inductor 24; the output device 50 includes a main output connection Terminal 51, main output switch 52, output transformer 53 and output inductor 54. Wherein, the main input terminal 21, the main input switch 22, the input transformer 23, the input inductor 24, the rectifier module 30, the inverter module 40, the output inductor 54, the output transformer 53, the main output switch 52 and the main output terminal 51 in sequence Adjacent settings make the previous module in the power flow path directly adjacent to the next module, so that they can be directly connected to achieve the shortest power flow path and the clearest direction, thereby improving the EMC performance of the uninterruptible power supply.

In the above embodiment, the main input terminal 21, the main input switch 22, the input transformer 23, the input inductor 24, the rectifier module 30, the inverter module 40, the output inductor 54, the output transformer 53, the main output switch 52 and the main output terminal 51 can be laid out in the cabinet 10 by referring to the principles of AC and DC isolation, input and output isolation, and isolation of magnetic components in the foregoing embodiments.

Preferably, as shown in FIG. 2, referring to FIG. 1 at the same time, the rectifier module 30, the inverter module 40, the main input terminal 21, the main input switch 22, the main output terminal 51 and the main output switch 52 in the above embodiment are set In the front chamber 11, it is convenient to carry out front maintenance on the rectifier module 30, the inverter module 40, etc., and it is also convenient to carry out front operation on the main input terminal 21, the main input switch 22, the main output terminal 51 and the main output switch 52.

Preferably, as shown in Figure 2, referring to Figure 1 at the same time, large magnetic elements such as input transformer 23, output transformer 53, input inductance 24 and output inductance 54 in the above-mentioned embodiment are arranged in the back chamber 12, can be connected with front chamber like this The rectifier module 30, the inverter module 40, the main input terminal 21, the main input switch 22, the main output terminal 51 and the main output switch 52 in the 11 are separated to avoid the input transformer 23, the output transformer 53, the input inductor 24 and the The output inductance 54 forms electromagnetic interference to the components in the front chamber 11, thereby improving the EMC performance of the uninterruptible power supply.

Preferably, as shown in FIG. 2 , referring to FIG. 1 at the same time, the main input terminal 21 and the main input switch 22 in the above embodiment are arranged on the left side of the lower part of the front chamber 11, and the rectifier module 30 is arranged on the upper left side of the front chamber 11. On the side, the inverter module 40 is arranged on the upper right side of the front compartment 11 , and the main output terminal 51 and the main output switch 52 are arranged on the lower right side of the front compartment 11 . With this layout, the power flow path is from the lower part on the left to the rectifier module 30, and then from the inverter module 40 on the upper right to the output end. The entire power flow path is short and clear, so as to achieve the purpose of optimizing EMC.

To sum up, the utility model arranges the input device 20, the rectifier module 30, the inverter module 40 and the output device 50 of the uninterruptible power supply adjacently in the cabinet 10 according to the order of power flow, and the adjacent devices The direct connection makes the power flow path of the devices in the cabinet 10 the shortest and clear, thereby improving the EMC performance of the uninterruptible power supply.

It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should belong to the protection scope of the appended claims of the present utility model.

Claims (10)

1. an uninterruptible power supply, comprising a cabinet (10), an input device (20), a rectifier module (30), an inverter module (40) and an output device (50) are arranged in the cabinet (10) ); characterized in that, the input device (20), the rectifier module (30), the inverter module (40) and the output device (50) are arranged adjacently in sequence according to the power flow order, and Direct connections between adjacent devices. 2. The uninterruptible power supply according to claim 1, characterized in that, a partition (13) is arranged inside the cabinet (10), and the partition (13) divides the interior space of the cabinet (10) Separated into a front compartment (11) and a rear compartment (12). 3. The uninterruptible power supply according to claim 2, characterized in that, the transformers and inductors in the input device (20) and the output device (50) are arranged in the rear compartment (12). 4. The uninterruptible power supply according to claim 2, characterized in that, the DC input/output cables connecting the input device (20) and the output device (50) are arranged in the rear compartment (12 )Inside; An AC input/output cable connecting the input device (20) and the output device (50) is arranged in the front compartment (11). 5. The uninterruptible power supply according to claim 2, characterized in that, the input device (20) is arranged at the lower left side of the front compartment (11), and the output device (50) is arranged at the Front storehouse (11) right lower part. 6. The uninterruptible power supply according to claim 2, characterized in that, the input device (20) comprises a main input terminal (21), a main input switch (22), an input transformer (23) and an input inductance ( 24); the output device (50) includes a main output terminal (51), a main output switch (52), an output transformer (53) and an output inductor (54). 7. The uninterruptible power supply according to claim 6, characterized in that, the main input terminal (21), the main input switch (22), the input transformer (23), the input inductor (24 ), the rectifier module (30), the inverter module (40), the output inductor (54), the output transformer (53), the main output switch (52) and the main output terminal (51) are arranged adjacently in sequence. 8. The uninterruptible power supply according to claim 7, characterized in that, the rectifier module (30), the inverter module (40), the main input terminal (21), the main input switch ( 22), the main output terminal (51) and the main output switch (52) are arranged in the front compartment (11). 9. The uninterruptible power supply according to claim 8, characterized in that, the input transformer (23), the output transformer (53), the input inductance (24) and the output inductance (54) are arranged at In the said rear compartment (12). 10. The uninterruptible power supply according to claim 9, characterized in that, the main input terminal (21) and the main input switch (22) are arranged on the left side of the lower part of the front compartment (11), so The rectification module (30) is arranged on the upper left side of the front compartment (11); The inverter module (40) is arranged on the upper right side of the front compartment (11), and the main output terminal (51) and the main output switch (52) are arranged in the front compartment (11) Lower right.