TW202046056A - Power distribution apparatus and server system thereof - Google Patents

Abstract

The present disclosure relates to a power distribution apparatus connected with a plurality of power supply apparatus. The power distribution apparatus includes a first input terminal connected with a first voltage source and a second input terminal connected with a second voltage source. The power distribution apparatus includes a first switching module, a second switching module, and a connection module. The first switching module in a turn-on state establishes a connection between the first input terminal and the connection module. The second switching module in the turn-on state establishes a connection between the second input terminal and the connection module. In any time, one of the first switching module and the second switching module is in the turn-on state. A server system thereof is also provided.

Description

Power distribution device and server system

The invention relates to a power distribution device and a server system.

Data centers or server centers usually use multiple servers to process various application service requests. In order to save space, multiple servers share power through Power Distribution Unit (PDU). Generally, a server cabinet includes multiple PDUs, multiple power supply units (PSUs), and multiple servers. Each PSU corresponds to a server. The PDU can be electrically connected to a first voltage source and a second voltage source at the same time, so as to output the AC voltage provided by the first voltage source or the second voltage source to the PSU. The PSU and the PDU are electrically connected through a slot, and are used to convert the AC voltage output by the PDU into a DC power and provide it to a corresponding server. The PSU includes 6 automatic transfer switches (Automatic transfer switching, ATS), which are used to select the alternating current of the first current source or the second current source as a voltage source. Since each PSU needs an ATS, the size of the PSU is larger. At the same time, two connectors are required for electrical connection between the PDU and the PSU. When the number of PDUs and the order of magnitude of the PSU are large, the cost of the connector is higher.

In view of this, it is necessary to provide a power distribution device that reduces costs.

It is also necessary to provide a server system that reduces costs.

A power distribution device is electrically connected to a plurality of power supply devices, and is used to output AC voltage to the plurality of power supply devices. The power distribution device has a first input terminal and a second input terminal. The first input terminal is used for receiving the AC voltage output by the first voltage source, and the second input terminal is used for receiving the AC voltage output by the second voltage source. The power distribution device includes: The connection module is used to output AC voltage to the electrical connection between multiple power supply devices; The first switch module is electrically connected between the first input terminal and the connection module. The first switch module establishes an electrical connection between the first input terminal and the connection module when in the on state, and disconnects the electrical connection between the first input terminal and the connection module when in the off state; The second switch module is electrically connected between the second input terminal and the connection module. The first switch module establishes an electrical connection between the second input terminal and the connection module when in the on state, and disconnects the electrical connection between the second input terminal and the connection module when in the off state; At any moment, only one of the first switch module and the second switch module is in a conducting state.

A server system including: Multiple power supply devices; At least one power distribution device, and each power distribution device corresponds to multiple power supply devices for outputting AC voltage to the multiple power supply devices. The power distribution device has a first input terminal and a second input terminal. The first input terminal is used for receiving the AC voltage output by the first voltage source, and the second input terminal is used for receiving the AC voltage output by the second voltage source. At least one power distribution device includes: Connection module, used to output AC voltage to multiple power supply devices; The first switch module is electrically connected between the first input terminal and the connection module. The first switch module establishes an electrical connection between the first input terminal and the connection module when in the on state, and disconnects the electrical connection between the first input terminal and the connection module when in the off state; The second switch module is electrically connected between the second input terminal and the connection module. The first switch module establishes an electrical connection between the second input terminal and the connection module when in the on state, and disconnects the electrical connection between the second input terminal and the connection module when in the off state; At any moment, only one of the first switch module and the second switch module is in a conducting state.

Compared with the prior art, the above-mentioned power distribution device and server system can reduce the power supply device by integrating the first switch module and the second switch module in the power distribution device. size of. At the same time, due to the use of an automatic switch, the number of connectors of the power distribution device is further reduced, thereby saving costs. When supporting the same number of the power supply devices, the number of switches is reduced, thereby saving costs.

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. ; It can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through no connection, it can be the internal communication between two components or the interaction between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be immediately determined according to the specific situation.

The terms "first", "second" and "third" in the description and claims of the present invention and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the term "including" and any variations of them are intended to cover non-exclusive inclusion.

The specific implementation of the server power management system of the present invention will be described below with reference to the accompanying drawings.

Please refer to FIG. 1 and FIG. 2 together, which are schematic diagrams of modules of the server system 1 according to an embodiment of the present invention. The server system 1 can be applied to a server system, but is not limited to this. The server system 1 includes at least one power distribution device 10 (Pow Distribution Unit, PDU) and a plurality of power supply devices 20 (Power Supply Unit, PSU (. Each power distribution device 10 corresponds to a plurality of the power supply Device 20. Wherein, the number of power supply devices 20 corresponding to each power distribution device 10 is related to the load power in the power supply device 20. In this embodiment, each power distribution device 10 Corresponding to six of the power supply devices 20. In this embodiment, the server system 1 may further include a rack (not shown).

The power distribution device 10 has a first input terminal 101 and a second input terminal 103. The first input terminal 101 is used for electrically connecting with a first voltage source A, and the second input terminal 103 is used for electrically connecting with a second voltage source B. The power distribution device 10 selects one of the first voltage source A corresponding to the first input terminal 101 and the second voltage source B corresponding to the second input terminal 103 as an output to provide AC Voltage is supplied to the power supply device 20. Wherein, when the first input terminal 101 is electrically connected to the first voltage source A and the second input terminal 103 is electrically connected to the second voltage source B, the power distribution device 10 The first voltage source A corresponding to the first input terminal 101 is used as an output, and when the first voltage source A corresponding to the first input terminal 101 fluctuates, the first voltage source A corresponding to the second input terminal 103 is switched. The second voltage source B is used as an output. In this embodiment, the first input terminal 101 and the second input terminal 103 receive a three-phase AC voltage. In other embodiments, the first input terminal 101 and the second input terminal 103 receive a single-phase AC voltage. Wherein, the total output current of the power distribution device 10 is between 10-20 amperes (A).

The power distribution device 10 includes a first switch module 11, a second switch module 13 and at least one connection module 15. The first switch module 11 is electrically connected between the first input terminal 101 and the connection module 15. The second switch module 13 is electrically connected between the second input terminal 103 and the connection module 15. Wherein, both the first switch module 11 and the second switch module 13 can be switched between the on state and the off state, and the two are in different states. That is, at any time, only one of the first switch module 11 and the second switch module 13 is in a conducting state. In this embodiment, the first switch module 11 and the second switch module are automatic transfer switching (ATS). In this embodiment, the power distribution device 10 includes six connection modules 15 (as shown in FIG. 3).

Please also refer to FIG. 3, the first switch module 11 is used to establish an electrical connection between the first input terminal 101 and the connection module 15 in the on state, and when the switch is off In the open state, the electrical connection between the first input terminal 101 and the connection module 15 is disconnected. The first switch module 11 includes at least one first switch Sa. Wherein, the number of the first switches Sa is related to the type of the first voltage source A received by the first input terminal 101. Wherein, when the first voltage source A is a three-phase AC voltage source, the first switch module 11 includes at least three first switches Sa; when the first voltage source A is a single-phase AC voltage source , The first switch module 11 includes at least one first switch Sa. In this embodiment, the first switch module 11 includes six first switches Sa1-Sa6. The first switches Sa1-Sa6 are relays.

The second switch module 13 is used to establish an electrical connection between the second input terminal 103 and the connection module 15 in the on state, and disconnect the second input in the off state The electrical connection between the terminal 103 and the connection module 15. The second switch module 13 includes at least one second switch Sb. Wherein, the number of the second switches Sa is related to the type of the second voltage source B received by the second input terminal 103. Wherein, when the second voltage source B is a three-phase AC voltage source, the second switch module 13 includes at least three second switches Sb; when the second voltage source B is a single-phase AC voltage source , The second switch module 13 includes at least one second switch Sb. In this embodiment, the second switch module 13 includes six second switches Sb1-Sb6. Wherein, the second switches Sb1-Sb6 are relays.

The connection module 15 is used to transfer one of the AC voltage input from the first input terminal 101 or the AC voltage input from the second input terminal 103 through the corresponding first switch module 11 or The second switch module 13 is output to the power supply device 20. In this embodiment, the connection module 15 is a connector with 6 output terminals. The connection module 15 includes a first input pin IN1, a second input pin IN2, a third input pin IN3, three functional pins IN4-IN5, and at least one output terminal O1. The three live wires A1-A3 of the first voltage source A are connected by the first switch module 11 and the first input pin IN1, the second input pin IN2, and the third input pin IN3. Electrical connection. The three live wires B1-B3 of the second voltage source B are connected by the second switch module 13 and the first input pin IN1, the second input pin IN2, and the third input pin IN3 Electrical connection. The functional pins IN4-IN5 are electrically connected to the neutral line of the first voltage source A through the first switch module 11, and the second switch module 13 is electrically connected to the second voltage source A The neutral wire of B is electrically connected. Each of the output terminals O1 is electrically connected to one of the power supply devices 20. In other embodiments, the functional pins IN4-IN6 may be electrically connected to the three live wires A1-A3 of the first voltage source A or the three live wires B1-B3 of the second voltage source B.

The power supply device 20 receives the AC voltage provided by the power distribution device 10. The power supply device 20 includes an AC/DC conversion module 21, a battery module 23 and a load module 25.

The AC/DC conversion module 21 is used to convert the AC voltage provided by the power distribution device 10 into DC power and provide it to the load module 25 to drive the load module 25 to power on. In this embodiment, the AC/DC conversion module 21 may also include other functional modules such as a filter module (not shown).

The battery module 23 is used to directly provide a DC voltage to the load module 25 when the AC/DC conversion module 21 does not receive an AC voltage, so as to drive the load module 25 to power on. In this embodiment, the battery module 23 may be a storage battery, a solar cell or a dry cell.

The load module 25 is composed of at least one server.

Hereinafter, the quantitative relationship between the power distribution device and the power supply device 20 is described by taking the first voltage source A and the second voltage source B being 220V three-phase AC voltage as an example.

When the rated power of the power supply device 20 is 1050W, the operating current required by each power supply device 20 is 1050/3/220=1.6A, because the sum of the maximum current that the power supply device 20 can provide is 20A, and the operating current required by each power supply device 20 is 1.6A, then each power distribution device 10 can correspond to the number of power supply devices 20 as 20/1.6=12.5. In order to ensure the working state of each power supply device 20, when the rated power of the power supply device 20 is 1050W, each power distribution device 10 can correspond to 12 power supply devices 20.

For the server system 1 that receives the first voltage source A and the second voltage source B of three-phase AC voltage, taking 48 of the power supply devices 20 as an example, in the prior art, each The number of switches in the power supply device 20 is 48*6=288. In the improved technical solution of this case, since the power distribution device 10 corresponds to 6 power supply devices 20, the 48 power supply devices 20 only Eight power distribution devices 10 are required. At this time, the number of switches in the entire server system 1 is 8*12=96. Therefore, compared with the prior art, the production cost of the server system 1 is reduced.

The power distribution device 10 and the server system 1 described above can reduce the size of the power supply device 20 by integrating the first switch module 11 and the second switch module in the power distribution device 10 . At the same time, due to the use of an automatic switch, the number of connectors of the power distribution device 10 is further reduced, thereby saving costs. When supporting the same number of the power supply devices 20, the number of switches is reduced, thereby saving costs.

It should be noted that for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described sequence of actions. Because according to the present invention, certain steps can be performed in other order or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the modules is only a logical function division, and there may be other divisions in actual implementation, for example, multiple modules or elements can be combined or It can be integrated into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections may be indirect couplings or communication connections through some interfaces, devices or modules, and may be in electrical or other forms.

The modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, that is, they may be located in one place, or they may be distributed to multiple networks. On the road module. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

In addition, each functional module in each embodiment of the present invention may be integrated into a processor, or each module may exist alone physically, or two or more modules may be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware or software functional modules.

It should also be noted that in this article, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements , And also includes other elements not explicitly listed, or elements inherent to the process, method, article, or device. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, article or device that includes the element.

1: Server system A: The first voltage source B: Second voltage source 10: Power distribution device 101: First input 103: second input 11: The first switch module Sa1-Sa6: the first switch 13: The second switch module Sb1-Sb6: second switch 15: Connection module IN1: the first input pin IN2: second input pin IN3: third input pin IN4-IN6: Function pins O1: output 20: Power supply device 21: AC/DC conversion module 23: battery module 25: Load module

FIG. 1 is a schematic diagram of modules of a server system according to a preferred embodiment of the present invention.

Fig. 2 is a perspective view of the power distribution device in Fig. 1.

3 is a schematic diagram of modules of the power distribution device in FIG. 1.

1: Server system

A: The first voltage source

B: Second voltage source

10: Power distribution device

101: First input

103: second input

11: The first switch module

13: The second switch module

15: Connection module

20: Power supply device

21: AC/DC conversion module

23: battery module

25: Load module

Claims (10)

A power distribution device is electrically connected to a plurality of power supply devices, and is used to output AC voltage to the plurality of power supply devices; the power distribution device has a first input terminal and a second input terminal; the first input The terminal is used to receive the AC voltage output by the first voltage source, and the second input terminal is used to receive the AC voltage output from the second voltage source; the feature is that the power distribution device includes: A connection module for outputting AC voltage to a plurality of said power supply devices; The first switch module is electrically connected between the first input terminal and the connection module; when the first switch module is in the conducting state, the first input terminal and the connection module are established The electrical connection between the first input terminal and the connection module in the disconnected state; The second switch module is electrically connected between the second input terminal and the connection module; when the first switch module is in the conducting state, the second input terminal and the connection module are established The electrical connection between the second input terminal and the connection module in the disconnected state; At any moment, only one of the first switch module and the second switch module is in a conducting state. The power distribution device according to claim 1, wherein when the first input terminal is electrically connected to the first voltage source and the second input terminal is electrically connected to the second voltage source, The first switch module is in the on state and the second switch module is in the off state, so as to output the AC voltage received by the first input terminal to a plurality of The power supply device; when the first voltage source corresponding to the first input terminal fluctuates, the first switch module is switched to the off state and the second switch module is switched to the The conducting state is used to output the AC voltage received by the second input terminal to the plurality of power supply devices through the connection module. The power distribution device according to claim 2, wherein the first voltage source and the second voltage source are three-phase AC voltage sources. The power distribution device according to claim 3, wherein the connection module includes a first input pin, a second input pin, a third input pin, at least one functional pin, and at least one output terminal; The three live wires of the first voltage source are electrically connected to the first input pin, the second input pin, and the third input pin through the first switch module, and the second voltage source The three live wires are electrically connected to the first input pin, the second input pin, and the third input pin through the second switch module; the at least one functional pin is The first switch module is electrically connected to the neutral line of the first voltage source, and the second switch module is electrically connected to the neutral line of the second voltage source; the power supply device corresponds to Is connected to the at least one output terminal. The power distribution device according to claim 1, wherein the first switch module and the second switch module are automatic switching switches. The power distribution device according to claim 1, wherein the number of the power supply devices corresponding to each power distribution device is related according to the load power of the power supply device. A server system including: Multiple power supply devices; At least one power distribution device, each power distribution device corresponding to a plurality of power supply devices for outputting AC voltage to the plurality of power supply devices; the power distribution device has a first input terminal and a second input terminal; The first input terminal is used for receiving the AC voltage output by the first voltage source, and the second input terminal is used for receiving the AC voltage output by the second voltage source; the at least one power distribution device includes: A connection module for outputting AC voltage to a plurality of said power supply devices; The first switch module is electrically connected between the first input terminal and the connection module; when the first switch module is in the conducting state, the first input terminal and the connection module are established The electrical connection between the first input terminal and the connection module in the disconnected state; The second switch module is electrically connected between the second input terminal and the connection module; when the first switch module is in the conducting state, the second input terminal and the connection module are established The electrical connection between the second input terminal and the connection module in the disconnected state; At any moment, only one of the first switch module and the second switch module is in a conducting state. The server system according to claim 7, wherein, when the first input terminal is electrically connected to the first voltage source and the second input terminal is electrically connected to the second voltage source, The first switch module is in the on state and the second switch module is in the off state, so as to output the AC voltage received by the first input terminal to a plurality of The power supply device; when the first voltage source corresponding to the first input terminal fluctuates, the first switch module is switched to the off state and the second switch module is switched to the The conducting state is used to output the AC voltage received by the second input terminal to the plurality of power supply devices through the connection module. The server system according to claim 7, wherein the connection module includes a first input pin, a second input pin, a third input pin, at least one functional pin, and at least one output terminal; The three live wires of the first voltage source are electrically connected to the first input pin, the second input pin, and the third input pin through the first switch module, and the second voltage source The three live wires are electrically connected to the first input pin, the second input pin, and the third input pin through the second switch module; the at least one functional pin is The first switch module is electrically connected to the neutral line of the first voltage source, and the second switch module is electrically connected to the neutral line of the second voltage source; the power supply device corresponds to Is connected to the at least one output terminal. The server system according to claim 7, wherein the number of the power supply devices corresponding to each power distribution device is related to the load power of the power supply devices.

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