CN206283127U - The highly integrated high-voltage DC power supply cabinet of data center - Google Patents

Abstract

The utility model discloses a highly integrated high-voltage DC power supply cabinet for data centers, which belongs to the field of power supply cabinets for data centers. The technical problem to be solved is that the layout of the power supply cabinets is scattered and occupies a large space; the structure includes a cabinet body and a lightning arrester assembled in the cabinet body , two-wire circuit breaker, dual power switch, AC power distribution unit, HVDC unit, DC power distribution unit, battery and multiple terminal blocks, two-wire circuit breaker, lightning arrester, dual power switch, DC power distribution unit and AC The power distribution unit is assembled in the upper part of the cabinet, and the HVDC unit and battery are assembled in the lower part of the cabinet. The power supply cabinet realizes power supply, AC power distribution, DC power distribution and high-voltage direct current transmission, occupies less space, and has low manufacturing cost.

Description

Data Center Highly Integrated High Voltage DC Power Cabinet

technical field

The utility model relates to the field of data center power supply cabinets, in particular to a data center highly integrated high-voltage direct current power supply cabinet.

Background technique

With the rapid development of the electronic information industry, the development of data centers has also entered a new stage. Standardized and modularized modular data centers (MDCs) and container data centers (CDCs) have become the development trend of data centers. The power supply and distribution system is an important part of the internal configuration of the data center. The power supply system of ordinary MDC and CDC data centers is generally composed of incoming line cabinets, AC and DC power distribution cabinets, HVDC high-voltage DC cabinets and battery cabinets. The layout is scattered, the space is large, and the operation is inconvenient.

How to reduce the space occupancy rate by combining the incoming line cabinet, AC and DC power distribution cabinet, HVDCHVDC high-voltage DC cabinet and battery cabinet in the power cabinet is a technical problem that needs to be solved.

Contents of the invention

The technical task of the utility model is to provide a highly integrated high-voltage DC power supply cabinet for data centers to solve the problems of scattered layout and large space occupation of the power supply cabinets.

Technical task of the present utility model is realized in the following manner:

Highly integrated high-voltage DC power supply cabinets for data centers, including cabinets and lightning arresters assembled in the cabinets, double-line circuit breakers, dual power supply switches, AC power distribution units, HVDC units, DC power distribution units, batteries and multiple terminal blocks , two-wire circuit breaker, dual power supply switch, AC power distribution unit, HVDC unit and DC power distribution unit are connected in sequence, there are two lightning arresters, and the two lightning arresters are connected in parallel to the input end of the two-wire circuit breaker, and the battery is connected to the HVDC unit The output terminal of the DC power distribution unit is connected in parallel with the output terminals of the DC power distribution unit and the AC power distribution unit, and multiple terminal blocks are connected in parallel; two-wire circuit breaker, lightning arrester, dual power supply switch, DC power distribution Units and AC power distribution units are assembled in the upper part of the cabinet, and HVDC units and batteries are assembled in the lower part of the cabinet. Mains power supply, AC power distribution, high-voltage DC transmission, DC power distribution and battery storage are all combined in one cabinet, saving space.

Further, the AC power distribution unit includes multiple parallel HVDC input switches and multiple parallel AC feeder switches, each of the above-mentioned HVDC input switches and each AC feeder switch is connected to the output end of the dual power switch, and each AC The output terminals of the feeder switches are connected with terminal blocks; the HVDC unit includes multiple pluggable rectifier modules, and each output terminal of the HVDC input switch is connected with a rectifier module, and the battery and the DC power distribution unit are connected in parallel on the above Output terminals of multiple rectifier modules connected in parallel.

Further, the DC power distribution unit includes a plurality of parallel-connected DC feeder switches, each DC feeder switch is connected to the output ends of the above-mentioned plurality of parallel-connected rectification modules, and each output end of the DC feeder switch is connected to a terminal block .

Further, the double-wire circuit breaker is located above the dual power supply switch, multiple HVDC input switches are arranged in rows below the dual power supply switch, and two lightning arresters are located side by side between the dual power supply switch and the above-mentioned multiple HVDC input switches , The human-computer interaction display is also installed above the double-wire circuit breaker, and the human-computer interaction display, double-wire circuit breaker, dual power supply switch, each HVDC input switch and each lightning arrester are located in the front of the cabinet.

Further, the above-mentioned multiple rectification modules are assembled in the lower part of the cabinet from bottom to bottom.

Further, each DC feeder switch, each AC feeder switch and each connecting terminal are assembled at the rear of the cabinet, multiple DC feeder switches are arranged in rows, and multiple AC feeder switches are arranged in rows on the above-mentioned DC feeder below the switch.

Further, each HVDC input switch is a miniature circuit breaker with an occupied space of 3P and a rated operating current of 40A.

Further, the plurality of DC feeder switches include a miniature circuit breaker occupying a space of 2P and a rated operating current of 32A, and a miniature circuit breaker occupying a space of 2P and rated operating current of 10A.

Further, the plurality of AC feeder switches include a miniature circuit breaker occupying a space of 1P and a rated operating current of 16A, a miniature circuit breaker occupying a space of 3P and a rated operating current of 32A, and also occupying a space of 1P and a rated operating current of 32A miniature circuit breaker.

Further, the two-wire circuit breaker is a two-wire circuit breaker with a rated operating current of 400A, the dual power switch is a dual power switch with a rated operating current of 400A and a protection level of PC or CB, and the rectifier module is a rated operating power It is a 15KW HVDC rectifier module, and the arrester is a four-pole arrester; a battery fuse with a rated operating current of 800A is connected between the battery and the output terminals of the above-mentioned multiple parallel rectifier modules.

The highly integrated high-voltage DC power supply cabinet for the data center of the utility model has the following advantages:

1. The utility model realizes the integration of the incoming line cabinet, AC and DC power distribution cabinet and HVDC cabinet of the data center, overcomes the problems of scattered layout, large space occupation and inconvenient operation, and has high power density and low manufacturing cost. Advantages of low cost, compact layout, and reduced space occupancy;

2. The utility model saves the cost of the cabinet body, connecting wires and related construction, and saves the cost;

3. The utility model can cooperate with other top cabinets to provide a new, more flexible and reliable structure model;

4. The rectifier module of the utility model is a modular, pluggable high-frequency power device, which has the advantages of convenient maintenance and high reliability.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Attached drawing 1 is a front view of a highly integrated high-voltage DC power supply cabinet in a data center;

Figure 2 is the rear view of the highly integrated high-voltage DC power supply cabinet in the data center;

Figure 3 is a schematic diagram of the internal structure of the highly integrated high-voltage DC power supply cabinet in the data center;

Accompanying drawing 4 is the electrical connection block diagram of highly integrated high-voltage DC power supply cabinet in the data center;

In the figure: 1. Cabinet body, 2. Human-computer interaction display screen, 3. Two-wire circuit breaker, 4. Dual power supply switch, 5. Lightning arrester, 6. HVDC input switch, 7. Rectifier module, 8. DC feeder switch , 9, AC feeder switch, 10, terminal block, 11, battery fuse, 12, battery, 13, AC power distribution unit, 14, HVDC unit, 15, DC power distribution unit.

detailed description

The highly integrated high-voltage DC power supply cabinet for the data center of the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example:

As shown in the accompanying drawings 1-4, the highly integrated high-voltage DC power supply cabinet for the data center of the present utility model includes a cabinet body 1 and a lightning arrester 5 assembled in the cabinet body 1, a double-wire circuit breaker 3, a dual power supply switch 4, an AC Power distribution unit 13, HVDC unit 14, DC power distribution unit 15, battery 12 and multiple terminal blocks 10, two-wire circuit breaker 3, dual power supply switch 4, AC power distribution unit 13, HVDC unit 14 and DC power distribution The units 15 are connected in sequence, and there are two lightning arresters 5. The two lightning arresters 5 are connected in parallel to the input end of the two-wire circuit breaker 3. The battery 12 is connected to the output end of the HVDC unit 14 and connected in parallel with the DC power distribution unit 15. The DC power distribution The output terminals of the unit 15 and the AC power distribution unit 13 are connected in parallel with a plurality of terminal blocks 10; The HVDC unit 14 and the battery 12 are assembled in the lower part of the cabinet 1 .

Among them, the two-wire circuit breaker 3 is a two-wire circuit breaker 3 with a rated operating current of 400A, and the dual-power switch 4 is a dual-power switch 4 with a rated operating current of 400A and a protection level of PC or CB. Two-way commercial power supply, the two lightning arresters 5 are four-pole lightning arresters 5, and the above-mentioned lightning arrester 5, double-wire circuit breaker 3 and dual power supply switch 4 cooperate to provide dual-circuit mains power supply, and the dual power supply switch 4 is used for Switching selection between two mains power sources.

The AC power distribution unit 13 includes ten parallel-connected HVDC input switches 6 and thirty-two parallel-connected AC feeder switches 9, the above-mentioned HVDC input switches 6 and AC feeder switches 9 are all connected in parallel to the output end of the dual power switch 4 , the output end of each AC feeder switch 9 is connected to a terminal block 10, and each terminal block 10 can be connected to an air conditioner or IT equipment, that is, the output power in the AC power distribution unit 13 can provide AC for the air conditioner or IT equipment. power supply. Each HVDC input switch 6 is a miniature circuit breaker with a space occupation of 3P and a rated operating current of 40A. Ten of the above-mentioned HVDC input switches 6 are arranged at the upper part of the cabinet 1 and at the front of the cabinet 1 .

The HVDC unit 14 includes ten high-power rectifier modules 7 with a rated working power of 15KW. Each rectifier module 7 is a pluggable rectifier module. The battery 12 and the DC power distribution unit 15 are connected in parallel to the above ten parallel rectifier modules. A battery fuse 11 with a rated operating current of 800A is connected between the battery 12 and the above ten parallel-connected HVDC units 14 at the output end of the HVDC power device. The above ten rectifying modules 7 are arranged in the lower part of the cabinet body 1 from bottom to bottom, occupying a space of up to 20U.

The DC power distribution unit 15 includes twenty-four parallel-connected DC feeder switches 8, each DC feeder switch 8 is connected to the output terminals of the above-mentioned ten parallel-connected HVDC power devices, and the output terminal of each DC feeder switch 8 is connected to There is a terminal block 10, and the IT equipment is connected to the terminal to provide DC power for the IT equipment. Twenty-four DC feeder switches 8 are miniature circuit breakers occupying a space of 2P and a rated operating current of 32A, and three DC feeder switches 8 are MCBs occupying a space of 2P and rated operating current of 10A miniature circuit breaker.

Among the above-mentioned thirty-two AC feeder switches 9, four AC feeder switches 9 are miniature circuit breakers with an occupied space of 1P and a rated operating current of 16A, and the seven AC feeder switches 9 are miniature circuit breakers with an occupied space of 3P and a rated operating current of 32A Twenty-one AC feeder switches 9 are miniature circuit breakers occupying a space of 1P and a rated operating current of 32A. Thirty-two AC feeder switches 9 are assembled in two rows at the rear of the cabinet 1.

The above-mentioned twenty-four DC feeder switches 8 are arranged in two rows on the upper part of the cabinet body 1, and the above-mentioned multiple AC feeder switches 9 are arranged in two rows at the rear of the cabinet body 1, and are located above the AC feeder switch 9 .

Each terminal block 10 is assembled to the rear of the cabinet body 1, and is located at the corresponding AC feeder switch 9 or at the corresponding DC feeder switch 8. The terminal block 10 can be connected to an air conditioner or IT equipment or as a backup.

The front part of the cabinet 1 is also equipped with a human-computer interaction display 2, which is located above the two-wire circuit breaker 3, and the human-computer interaction display 2 can be used to control the AC power distribution, DC Monitoring of power distribution, HVDC transmission and other working conditions.

The utility model data center highly integrated high-voltage DC power supply cabinet combines the performance parameters and characteristics of power distribution products and HVDC products, and is manufactured in accordance with national standards and related specifications. The lower space of the cabinet body 1 is used for high-voltage DC power transmission, and the upper space is used for power distribution. The power distribution part is arranged front and rear, and the front, rear, and sides of the entire cabinet 1 are maintained; the HVDC unit 14 selects a modular, high-power rectifier module 7, which can be quickly plugged, disassembled, and replaced, which can meet the product needs of the data center. Provide DC power supply and AC power supply.

Through the above specific implementation methods, those skilled in the art can easily realize the utility model. However, it should be understood that the utility model is not limited to the specific implementation manners disclosed above. On the basis of the disclosed embodiments, those skilled in the art can arbitrarily combine different technical features, so as to realize different technical solutions.

Except for the technical features described in the instructions, all are known technologies by those skilled in the art.

Claims (10)

1. The highly integrated high-voltage DC power supply cabinet in the data center is characterized by including a cabinet body and a lightning arrester assembled in the cabinet body, a double-wire circuit breaker, a dual-power switch, an AC power distribution unit, an HVDC unit, a DC power distribution unit, a battery and Multiple terminal blocks, double-wire circuit breaker, dual power supply switch, AC power distribution unit, HVDC unit and DC power distribution unit are connected in sequence, and there are two lightning arresters, and the two lightning arresters are connected in parallel at the input end of the double-wire circuit breaker. The battery is connected to the output end of the HVDC unit and connected in parallel with the DC power distribution unit, and multiple terminal blocks are connected in parallel to the output ends of the DC power distribution unit and the AC power distribution unit; The double-line circuit breaker, lightning arrester, dual power supply switch, DC power distribution unit and AC power distribution unit are all assembled in the upper part of the cabinet, and the HVDC unit and battery are assembled in the lower part of the cabinet. 2. The data center highly integrated high-voltage DC power supply cabinet according to claim 1, characterized in that the AC power distribution unit includes a plurality of parallel HVDC input switches and a plurality of parallel AC feeder switches, each of the above-mentioned HVDC input switches and each Each AC feeder switch is connected to the output end of the dual power switch, and the output end of each AC feeder switch is connected to a terminal block; The HVDC unit includes a plurality of pluggable rectification modules, one rectification module is connected to the output end of each HVDC input switch, and the battery and the DC power distribution unit are connected in parallel to the output ends of the plurality of parallel rectification modules. 3. The data center highly integrated high-voltage DC power supply cabinet according to claim 2, characterized in that the DC power distribution unit includes a plurality of parallel-connected DC feeder switches, and each DC feeder switch is connected to one of the above-mentioned multiple parallel-connected rectifier modules The output end, the output end of each DC feeder switch is connected with a terminal block. 4. The highly integrated high-voltage DC power supply cabinet for the data center according to claim 3, characterized in that the double-wire circuit breaker is located above the dual-power switch, and a plurality of HVDC input switches are arranged in rows below the dual-power switch. The two lightning arresters are located side by side between the dual power supply switch and the above-mentioned multiple HVDC input switches. A human-computer interaction display is installed above the double-line circuit breaker. The human-computer interaction display, double-line circuit breaker, dual power supply switch, Each HVDC input switch and each surge arrester are located at the front of the cabinet. 5. The highly integrated high-voltage DC power supply cabinet for data centers according to claim 2, 3 or 4, characterized in that the above-mentioned multiple rectification modules are assembled in the lower part of the cabinet body from bottom to bottom. 6. The highly integrated high-voltage DC power supply cabinet for the data center according to claim 5, characterized in that each DC feeder switch, each AC feeder switch and each terminal block are assembled at the rear of the cabinet, and multiple DC feeder The switches are arranged in rows, and multiple AC feeders are arranged in rows below the above-mentioned DC feeder switches. 7. The highly integrated high-voltage DC power supply cabinet for data centers according to claim 6, wherein each HVDC input switch is a miniature circuit breaker with a space occupation of 3P and a rated operating current of 40A. 8. The data center highly integrated high-voltage DC power supply cabinet according to claim 6, characterized in that the plurality of DC feeder switches include a miniature circuit breaker with an occupied space of 2P and a rated operating current of 32A, and an occupied space of 2P with a rated operating current of 32A. 10A miniature circuit breaker. 9. The highly integrated high-voltage DC power supply cabinet for the data center according to claim 6, characterized in that a plurality of AC feeder switches include miniature circuit breakers occupying a space of 1P and a rated operating current of 16A, and occupying a space of 3P and rated operating current 32A miniature circuit breaker, also includes a miniature circuit breaker with a space of 1P and a rated operating current of 32A. 10. The data center highly integrated high-voltage DC power supply cabinet according to claim 3, characterized in that the two-wire circuit breaker is a two-wire circuit breaker with a rated operating current of 400A, and the dual power switch is rated at 400A. It is a PC-level or CB-level dual power switch, the rectifier module is a HVDC rectifier module with a rated working power of 15KW, and the arrester is a four-pole arrester; the battery is connected to the output terminals of the above-mentioned multiple rectifier modules in parallel with a rated working current 800A battery fuse.