WO2024066789A1 - 电源分配单元和配电设备 - Google Patents

电源分配单元和配电设备 Download PDF

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Publication number
WO2024066789A1
WO2024066789A1 PCT/CN2023/113607 CN2023113607W WO2024066789A1 WO 2024066789 A1 WO2024066789 A1 WO 2024066789A1 CN 2023113607 W CN2023113607 W CN 2023113607W WO 2024066789 A1 WO2024066789 A1 WO 2024066789A1
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WO
WIPO (PCT)
Prior art keywords
interface
phase
load
power distribution
distribution unit
Prior art date
Application number
PCT/CN2023/113607
Other languages
English (en)
French (fr)
Inventor
黄绍明
曾宏波
张金宝
皮特
李洋
彭玉荣
邹立
Original Assignee
北京比特大陆科技有限公司
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Application filed by 北京比特大陆科技有限公司 filed Critical 北京比特大陆科技有限公司
Publication of WO2024066789A1 publication Critical patent/WO2024066789A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/02—Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks

Definitions

  • the present application relates to the field of power distribution, and in particular to a power distribution unit and a power distribution device.
  • the power distribution unit is a product designed to provide power distribution for cabinet-mounted electrical equipment. It can provide suitable rack-mounted power distribution solutions for different power supply environments. Compared with ordinary power sockets, it has the advantages of high safety factor and convenient management.
  • the power distribution unit can output three-phase power or single-phase power to meet the power supply requirements of the load equipment.
  • the power distribution unit that outputs single-phase outputs small power, while the power distribution unit that outputs three-phase has a larger structural size.
  • the inventors have found that the current power distribution units generally have single-phase outputs and are not compatible with single-phase and three-phase outputs at the same time. During subsequent load switching, the power distribution unit often needs to be replaced, resulting in repeated investment, high costs, and inconvenient assembly.
  • the purpose of the present application is to provide a power distribution unit and a power distribution device, which are intended to solve the technical problem that the power distribution unit cannot be compatible with single-phase output and three-phase output at the same time.
  • a power distribution unit comprising:
  • a unit body wherein the unit body is provided with a first load socket, wherein the first load socket has a three-phase interface, a first neutral line interface and a first ground line interface;
  • the three-phase interface is used for adapting and connecting the three-phase pins of a three-phase plug
  • the first neutral line interface is used for adapting and connecting the first neutral line pin of the three-phase plug
  • the first ground line interface is used for adapting and connecting the first ground line pin of the three-phase plug
  • one of the three-phase interfaces is used for adapting and connecting the single-phase pin of a single-phase plug
  • the first neutral wire interface is used for adapting and connecting the second neutral wire pin of a single-phase plug
  • the first ground wire interface is used for adapting and connecting the second ground wire pin of a single-phase plug.
  • the first load sockets are provided in plurality and are divided into three groups, including a first load connection group, a second load connection group and a third load connection group.
  • a first load connection group When the single-phase loads connected to the first load connection group, the second load connection group and the third load connection group are the same, the output current of the power distribution unit is balanced.
  • a three-phase connection line connecting the three-phase power supply and the three-phase interface is further provided in the unit body, the three-phase connection line includes a first connection line, a second connection line and a third connection line, and the three-phase interface includes a first interface, a second interface and a third interface;
  • the first interface of the first load socket of the first load connection group is connected to the first connection line, the second interface is connected to the second connection line, and the third interface is connected to the third connection line;
  • the first interface of the first load socket of the second load connection group is connected to the second connection line, the second interface is connected to the third connection line, and the third interface is connected to the first connection line;
  • the first interface of the first load socket of the third load connection group is connected to the third connection line
  • the second interface is connected to the first connection line
  • the third interface is connected to the second connection line.
  • the number of the first load sockets included in the first load connection group is the same as that of the second load connection group and the third load connection group.
  • the unit body is further provided with a second load socket, and the second load socket is connected to a single-phase power supply.
  • the second load socket has a live wire interface, a second neutral wire interface and a second ground wire interface.
  • the live wire interface is used for adapting and connecting the single-phase pin of a single-phase plug
  • the second neutral wire interface is used for adapting and connecting the second neutral wire pin of the single-phase plug
  • the second ground wire interface is used for adapting and connecting the second ground wire pin of the single-phase plug.
  • a liquid magnetic switch is also provided on the unit body, and the liquid magnetic switch is used to disconnect the three-phase connection.
  • an output current balance indicator light is also provided on the unit body, and the output current balance indicator light displays different colors and/or lights up in different numbers according to the output current of the power distribution unit.
  • the first load socket further has a first empty interface, and the three-phase interface, the first neutral line interface, the first ground line interface and the first empty interface are arranged in an array.
  • the present application also provides a power distribution device, comprising a bracket and a power distribution unit as described in any one of the above;
  • the two ends of the unit body are provided with connecting parts
  • the bracket has a connecting beam
  • the connecting parts at both ends of the unit body are respectively connected to the two ends of the connecting beam
  • the bracket is used to place load electrical equipment
  • the load electrical equipment is provided with the three-phase plug and/or the single-phase plug.
  • the power distribution unit provided in the present application can be used for load electrical equipment to be plugged into the first load socket through a three-phase plug or a single-phase plug to provide single-phase power or three-phase power to the load electrical equipment.
  • the present application can take into account both single-phase and three-phase outputs at the same time. Even if the load electrical equipment is switched, it can meet the use requirements of different load electrical equipment without replacing and installing the power distribution unit. It is easy to use and has low cost.
  • FIG1 is a schematic diagram of the structure of a power distribution unit provided in an embodiment of the present application.
  • FIG2 is an enlarged schematic diagram of point A in FIG1 ;
  • FIG3 is a schematic diagram of the structure of the front side of the power distribution unit provided in an embodiment of the present application.
  • FIG4 is a wiring diagram of a power distribution unit provided in an embodiment of the present application, wherein FIG4 (a) is a wiring diagram of a first load socket of a first load connection group, FIG4 (b) is a wiring diagram of a first load socket of a second load connection group, and FIG4 (c) is a wiring diagram of a first load socket of a third load connection group;
  • FIG. 5 is a schematic diagram of the connection of the first load socket of the power distribution unit provided in an embodiment of the present application.
  • FIG6 is a schematic diagram of the structure of a power distribution unit provided in another embodiment of the present application.
  • FIG7 is a schematic diagram of the structure of a power distribution device provided in an embodiment of the present application.
  • FIG8 is a schematic structural diagram of the back side of the power distribution unit provided in an embodiment of the present application.
  • 10 unit body; 101: first load connection group; 102: second load connection group; 103: third load connection group; 11: first load socket; 110: three-phase interface; 111: first interface; 112: second interface; 113: third interface; 114: first neutral line interface; 115: first ground line interface; 116: first empty interface; 12: liquid magnetic switch; 13: second load socket; 14: output current balance indicator light; 15: three-phase connection line; 151: first connection line; 152: second connection line; 153: third connection line; 16: load indicator light; 17: connecting part; 171: connecting hole; 18: hanging part; 181: hanging hole; 20: bracket; 21: connecting beam.
  • the power distribution unit is used to distribute power to electrical equipment to ensure the safe and stable operation of the electrical equipment.
  • the existing power distribution units are generally single-phase output. When the power required by the load electrical equipment is three-phase, the power distribution unit needs to be replaced.
  • this application provides a power distribution unit and power distribution equipment that can be compatible with single-phase output and three-phase output at the same time to meet the use requirements of different load electrical equipment. It should be noted that the load electrical equipment mentioned in this application can be a centrally placed server cabinet or other processing equipment, and this application does not limit it.
  • the power distribution unit provided in the embodiment of the present application includes: a unit body 10.
  • the unit body 10 is used for connecting the load electrical equipment to provide power, and the three-phase plug and the single-phase plug are both connection plugs for connecting the load electrical equipment to the unit body 10.
  • the three-phase plug and/or the single-phase plug of the load electrical equipment are special plugs corresponding to the unit body 10, so as to meet the need of replacing the unit body 10 when the load electrical equipment is replaced.
  • the unit body 10 is provided with a first load socket 11 , and the first load socket 11 has a three-phase interface 110 , a first neutral line interface 114 and a first ground line interface 115 .
  • the three-phase interface 110 in the unit body is connected to the three-phase power supply through the three-phase connection line 15. It is a power supply composed of three AC potentials with the same frequency, equal amplitude, and phase difference of 120°.
  • the three-phase connection line 15 is three live wire connection lines, and the potential of the neutral line connected to each connection line and the first neutral line interface 114 can be used for single-phase output, and the potential between every two connection lines can be used for three-phase output. For example, when the line voltage of the three-phase output is 380V, the phase voltage of the single-phase output is 220V, and when the line voltage of the three-phase output is 480V, the phase voltage of the single-phase output is 277V.
  • a three-phase power supply can be selected according to the use requirements of the load electrical equipment to ensure the normal operation of the load electrical equipment.
  • the first neutral line interface 114 is connected to the neutral line through the neutral line connection line, and the first ground line interface 115 can be grounded through the ground line connection line.
  • the three-phase connection line 15, the neutral line connection line, and the ground line connection line can pass through the through hole at one end of the unit body 10 and be connected to the three-phase power supply.
  • At least one first load socket 11 is provided, with single-phase output or three-phase output, and in the case where multiple first load sockets 11 are provided, multiple first load sockets 11 are provided along the length direction of the unit body 10.
  • the unit body 10 provided in the present application is in the shape of an elongated strip, which reduces the lateral space occupied by the power distribution unit, and the first load socket 11 is provided along the length direction of the unit body 10.
  • multiple first load sockets 11 are provided in sequence and evenly spaced along the length direction of the unit body 10.
  • multiple first load sockets 11 can also be provided in an array on the unit body, such as 3 ⁇ n, so as to facilitate the division of the three load connection parts provided later.
  • the three-phase plug includes three-phase pins, a first neutral pin and a first ground pin
  • the single-phase plug includes a single-phase pin, a second neutral pin and a second ground pin.
  • the three-phase interface 110 is used for adapting and connecting the three-phase pins of the three-phase plug
  • the first neutral interface 114 is used for adapting and connecting the first neutral pin of the three-phase plug
  • the first ground interface 115 is used for adapting and connecting the first ground pin of the three-phase plug to the three-phase interface 110;
  • one of the interfaces of the three-phase interface 110 is used for adapting and connecting the single-phase pin of a single-phase plug
  • the first neutral wire interface 114 is used for adapting and connecting the second neutral wire pin of the single-phase plug
  • the first ground wire interface 115 is used for adapting and connecting the second ground wire pin of the single-phase plug to the three-phase interface 110.
  • the three-phase plug is a special plug structure, which can be adapted to the aforementioned first load socket 11 to ensure that the three-phase power supply is provided to the load electrical equipment that needs to be connected to the three-phase power supply.
  • the single-phase plug is also a special plug structure, which can be adapted to the aforementioned first load socket 11 to ensure that the single-phase power supply is provided to the load electrical equipment that needs to be connected to the single-phase power supply.
  • the load electrical equipment can be plugged into the first load socket 11 through a three-phase plug and/or a single-phase plug to provide three-phase power and/or single-phase power to the load electrical equipment.
  • the present application can take into account both three-phase and single-phase outputs. Even if the load electrical equipment is switched, it can meet the use requirements of different load electrical equipment without replacing and installing the power distribution unit. It is easy to use and has low cost.
  • a plurality of first load sockets 11 are provided, and are divided into three groups, including a first load connection group 101, a second load connection group 102, and a third load connection group 103.
  • the output current of the power distribution unit is balanced. It should be noted that if the output current of the power distribution unit is unbalanced, it may increase the power loss of the line, and may cause damage to the equipment, and even affect personal safety.
  • the first load socket 11 is divided into the first load connection group 101, the second load connection group 102, and the third load connection group 103.
  • the single-phase loads connected to each load connection part need to be balanced to ensure output balance and stable power output.
  • the output current of the power distribution unit here is the current of the neutral line connected to the first neutral line interface.
  • a three-phase connection line 15 connecting the three-phase power supply and the three-phase interface 110 is further provided in the unit body 10, the three-phase connection line 15 includes a first connection line 151, a second connection line 152 and a third connection line 153, and the three-phase interface 110 includes a first interface 111, a second interface 112 and a third interface 113;
  • the first interface 111 of the first load socket 11 of the first load connection group 101 is connected to the first connection line 151, the second interface 112 is connected to the second connection line 152, and the third interface 113 is connected to the third connection line 153;
  • the first interface 111 of the first load socket 11 of the second load connection group 102 is connected to the second connection line 152, the second interface 112 is connected to the third connection line 153, and the third interface 113 is connected to the first connection line 151;
  • the first interface 111 of the first load socket 11 of the third load connection group 103 is connected to the third connection line 153
  • the second interface 112 is connected to the first connection line 151
  • the third interface 113 is connected to the second connection line 152 .
  • the load electrical equipment can be connected to the first load socket 11 of any load connection part.
  • the load electrical equipment is connected to the line voltage, which will not affect the balance of the output current.
  • the single-phase plug of the load electrical equipment is inserted into the first load socket 11, and the phase voltage is connected, and the current will be output on one of the connection lines in the three-phase connection line 15 and the neutral line, which will affect the balance of the output current.
  • each load connection part includes multiple first load sockets 11.
  • the number of load electrical devices inserted in each load connection part can be adjusted. For example, when the load electrical devices are the same electrical devices, the same number of load electrical devices can be inserted in each load connection part.
  • the first load connection group 101 , the second load connection group 102 and the third load connection group 103 are arranged at intervals along the length direction of the unit body 10 .
  • each load connection part can be divided by lines and distinguished by marks for easy use.
  • the number of the first load sockets 11 included in the first load connection group 101 is the same as that of the second load connection group 102 and the third load connection group 103 .
  • the number of first load sockets 11 included in the first load connection group 101, the second load connection group 102 and the third load connection group 103 are all four.
  • the unit body 10 is further provided with a second load Socket 13, the second load socket 13 is used to connect to a single-phase power supply.
  • the load electrical equipment can be directly connected to the single-phase power supply by connecting to the second load socket 13. Since it is a directly connected single-phase unit, there is no need to require output current balance, thereby ensuring the safe and stable use of the power distribution unit.
  • the second load socket 13 and the first load socket 11 are spaced apart from each other along the length direction of the unit body 10. In this way, the space of the unit body 10 can be fully utilized to avoid extra occupation of the lateral space.
  • the second load socket 13 has a live wire interface, a second neutral wire interface and a second ground wire interface.
  • the single-phase pin is adapted to the live wire interface
  • the second neutral wire pin is adapted to the second neutral wire interface
  • the second ground wire pin is adapted to the second ground wire interface.
  • the second load socket 13 can be directly connected through the single-phase connector provided in the present application.
  • the load electrical equipment When the load electrical equipment is connected to a single-phase power supply, it can be connected to the first load socket 11 or the second load socket 13 without restriction, which is convenient for use.
  • the second load socket 13 can be connected.
  • the first load sockets 11 of the three load connection parts are connected respectively, which can ensure the balance of the output current.
  • At least one second load socket 13 is provided, and preferably, the number of the second load sockets 13 is two.
  • the second load socket 13 may also be a conventional three-pin socket, which can be connected to a single-phase power supply by using a conventional three-pin plug.
  • a liquid magnetic switch 12 is further provided on the unit body 10 , and the liquid magnetic switch 12 is used to disconnect the three-way connection line 15 .
  • the liquid magnetic switch 12 is a 125A three-phase liquid magnetic switch 12, so as to provide overload protection and short circuit protection for the power distribution unit and the connected load electrical equipment as a whole.
  • the liquid magnetic switch 12 can uniformly control the disconnection of the three-phase connection line 15, and can also control the disconnection of each connection line in the three-phase connection line 15 separately.
  • the unit body 10 is further provided with a switch for controlling the disconnection of the second load socket 13 .
  • liquid magnetic switch 12 and the first load socket 11 are located on the same side of the unit body 10 .
  • the back of the unit body 10 is arranged on the bracket 20 of the power distribution equipment, and the front of the unit body 10 is provided with the aforementioned first load socket 11, the second load socket 13 and the liquid magnetic switch 12.
  • an output current balance indicator light 14 is also provided on the unit body 10.
  • the output current balance indicator light 14 displays different colors and/or lights up in different numbers according to the output current of the power distribution unit.
  • the output current balance indicator light 14 is used to indicate whether the current is balanced under single-phase output conditions, so that the user can intuitively understand whether the single-phase output current is balanced under the current load conditions, and adjust the load as needed to ensure that the current tends to be balanced.
  • a plurality of output current balance indicator lights 14 are provided, and the number of output current balance indicator lights 14 that light up increases as the output current of the power distribution unit increases.
  • output current balance indicator lights 14 which are located on the front of the unit body 10 and are illuminated by detecting the current of the first neutral line connection line.
  • the first output current balance indicator light 14 lights up, when the output current reaches 30A, two output current balance indicator lights 14 light up, when the output current reaches 55A, three output current balance indicator lights 14 light up, and when the output current reaches 80A, four output current balance indicator lights 14 light up.
  • the output current balance indicator light 14 can be a step light, and the long time it lights up is The degree increases with the increase of output current. Furthermore, the illuminated color changes step by step from one end to the other end, so as to provide a striking reminder to the user.
  • multiple output current balance indicator lights 14 are arranged at intervals. When no output current balance indicator light 14 is lit, it indicates that the single-phase current output is balanced. When more output current balance indicator lights 14 are lit, the user can be reminded to adjust the load.
  • three load indicator lights 16 are provided on the front of the unit body 10 , which are illuminated to respectively show whether the three connection parts are connected to the single-phase output load, so as to prompt the user to select the unlit load connection group to insert the load, thereby promoting the balance of the output current.
  • automatic allocation when the power distribution unit is used to output single-phase current, in order to further ensure the balance of the single-phase output current, automatic allocation can be performed by the following method:
  • the load adjustment components on the first connecting line 151, the first connecting line 151 and the third connecting line 153 are adjusted so that the first single-phase output current, the second single-phase output current and the third single-phase output current are the same.
  • the load adjustment parts on the first connecting line 151, the first connecting line 151 and the third connecting line 153 are load structures with adjustable load size.
  • the first single-phase output current is detected by the current detection structure on the first connecting line 151
  • the second single-phase output current is detected by the current detection structure on the second connecting line 152
  • the third single-phase output current is detected by the current detection structure on the third connecting line 153.
  • the neutral line current is approached to zero by increasing the load on the first connecting line 151 and/or the second connecting line 152 and/or the third connecting line 153, thereby ensuring the balance of the single-phase output current of the power distribution unit and ensuring the safe and stable use of the power distribution unit.
  • the first load socket 11 further has a first empty interface 116, and the three-phase interface 110, the first neutral interface 114, the first ground interface 115 and the first empty interface 116 are arranged in an array. Specifically, the three-phase interface 110, the first neutral interface 114, the first ground interface 115 and the first empty interface 116 are arranged in an array. 115 and the first air interface 116 are arranged in a 2 ⁇ 3 array.
  • the three-phase plug and the single-phase plug can also include a fixed plug, which is used to be plugged into the first empty interface 116 to ensure that the three-phase plug and the single-phase plug can be stably plugged into the first load socket 11.
  • the second load socket 13 also has a second empty interface, and the live interface, the second neutral interface, the second ground interface and the second empty interface are arranged in an array. Specifically, the live interface, the second neutral interface, the second ground interface and the second empty interface are arranged in a 2 ⁇ 2 array.
  • the single-phase plug may also include a fixed plug, which is used to be plugged into the second empty interface to ensure that the single-phase plug can be stably plugged into the second load socket 13.
  • the first interface 111, the first neutral interface 114, the first ground interface 115, and the first empty interface 116 are arranged at the same positions as the live interface, the second neutral interface, the second ground interface, and the second empty interface.
  • the present application further provides a power distribution device, including a bracket 20 and the above-mentioned power distribution unit;
  • the unit body 10 has connecting parts 17 at both ends, and the bracket 20 has a connecting beam 21.
  • the connecting parts 17 at both ends of the unit body 10 are respectively connected to the two ends of the connecting beam 21.
  • the bracket 20 is used to place load electrical equipment, and the load electrical equipment is provided with a three-phase plug and/or a single-phase plug.
  • the connecting parts 17 at both ends of the unit body 10 have connecting holes 171, which can be fixed to the connecting beam 21 by screws.
  • a hanging part 18 is also provided on the back of the unit body 10, and the hanging part 18 has a hanging hole 181, which can be hung on the hook extending from the connecting beam 21, so as to further ensure that the unit body 10 is stably installed on the bracket 20.
  • the bracket 20 includes a plurality of cross frames and a plurality of support frames, the cross frames are composed of a plurality of connecting beams 21, and the plurality of support frames are respectively connected to the plurality of cross frames to support the plurality of cross frames, and a placement area is formed on each cross frame, which can be used to place load electrical equipment, and the unit body 10 is connected along the connecting beams 21.
  • the beam 21 is extended.
  • at least one power distribution unit is provided, and each power distribution unit is provided on the side of one of the connecting beams 21 of a horizontal frame, corresponding to the corresponding load electrical equipment placed.
  • the number and position of the power distribution units provided in the present application can be determined according to the load electrical equipment placed.
  • the shape and structure of the bracket 20 are also not limited to those given above, and will not be described in detail.

Abstract

本申请适用于电源分配领域，公开了一种电源分配单元和配电设备。其中，电源分配单元，包括：单元本体、三相插头以及单相插头，单元本体设有第一负载插座，第一负载插座具有三相接口、第一零线接口以及第一地线接口；三相插头和单相插头均适配于第一负载插座。本申请给出的电源分配单元能够同时兼顾单相和三相输出，即使切换负载电气设备，也可满足不同负载电气设备的使用需求，无需更换安装电源分配单元，使用便利，成本较低。

Description

电源分配单元和配电设备
本申请要求于2022年09月26日提交中国专利局、申请号为202211175875.6，发明名称为“电源分配单元和配电设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电源分配领域，尤其涉及一种电源分配单元和配电设备。
背景技术
电源分配单元是为机柜式安装的电气设备提供电力分配而设计的产品，能为不同的电源环境提供适合的机架式电源分配解决方案，其相较于普通的电源插座而言，具有安全系数高、方便管理等优点。
现有技术中，基于电源分配单元接入的电源，电源分配单元可输出三相电源或单相电源，以满足负载设备的电源需求，输出单相的电源分配单元输出的功率小，而输出三相的电源分配单元的结构尺寸较大。
发明人发现，目前给出的电源分配单元中，一般都是单相输出，无法同时兼容单相和三相，在后续负载进行切换的过程中，往往需要对电源分配单元进行重新替换，造成重复投资，成本较高，且装配不便。
申请内容
本申请的目的在于提供一种电源分配单元和配电设备，其旨在解决的电源分配单元不能同时兼容单相输出和三相输出的技术问题。
为达到上述目的，本申请提供了一种电源分配单元，包括：
单元本体，所述单元本体设有第一负载插座，所述第一负载插座具有三相接口、第一零线接口以及第一地线接口；
所述三相接口用于供三相插头的三相插脚适配连接，所述第一零线接口用于供三相插头的第一零线插脚适配连接，所述第一地线接口用于供三相插头的第一地线插脚适配连接；
和/或，所述三相接口的其中一个接口用于供单相插头的单相插脚适配连接，所述第一零线接口用于供单相插头的第二零线插脚适配连接，所述第一地线接口用于供单相插头的第二地线插脚适配连接。
可选的，所述第一负载插座设置多个，且分为三组，包括第一负载连接组、第二负载连接组以及第三负载连接组，在所述第一负载连接组、第二负载连接组以及第三负载连接组接入的单相负载相同的情况下，所述电源分配单元的输出电流平衡。
可选的，所述单元本体内还设有连接三相电源和所述三相接口的三相连接线，所述三相连接线包括第一连接线、第二连接线以及第三连接线，所述三相接口包括第一接口、第二接口以及第三接口；
所述第一负载连接组的所述第一负载插座的第一接口连接所述第一连接线、第二接口连接所述第二连接线、第三接口连接所述第三连接线；
所述第二负载连接组的所述第一负载插座的第一接口连接所述第二连接线、第二接口连接所述第三连接线、第三接口连接所述第一连接线；
所述第三负载连接组的所述第一负载插座的第一接口连接所述第三连接线、第二接口连接所述第一连接线、第三接口连接所述第二连接线。
可选的，所述第一负载连接组包含的所述第一负载插座的数量与所述第二负载连接组以及所述第三负载连接组相同。
可选的，所述单元本体还设有第二负载插座，所述第二负载插座与单相电源相连接。
可选的，所述第二负载插座具有火线接口、第二零线接口以及第二地线接 口，所述火线接口用于供单相插头的单相插脚适配连接，所述第二零线接口用于供单相插头的第二零线插脚适配连接，所述第二地线接口用于供单相插头的第二地线插脚适配连接。
可选的，所述单元本体上还设有液磁开关，所述液磁开关用于开断所述三相连接线。
可选的，所述单元本体上还设有输出电流平衡指示灯，所述输出电流平衡指示灯根据所述电源分配单元的输出电流的大小，显示不同的颜色和/或亮起数量。
可选的，所述第一负载插座还具有第一空接口，所述三相接口、所述第一零线接口、所述第一地线接口以及所述第一空接口呈阵列排布设置。
本申请还提供了一种配电设备，包括支架和如上述任一种所述的电源分配单元；
所述单元本体的两端设有连接部，所述支架具有连接梁，所述单元本体两端的连接部分别连接于所述连接梁的两端，所述支架用于放置负载电气设备，所述负载电气设备上设有所述三相插头和/或所述单相插头。
本申请提供的电源分配单元，负载电气设备可通过三相插头或单相插头插接于第一负载插座上，以为负载电气设备提供单相电源或三相电源，相较于现有的电源分配单元而言，本申请能够同时兼顾单相和三相输出，即使切换负载电气设备，也可满足不同负载电气设备的使用需求，无需更换安装电源分配单元，使用便利，成本较低。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1是本申请实施例提供的电源分配单元的结构示意图；
图2是图1中A处的放大示意图；
图3是本申请实施例提供的电源分配单元的正面的结构示意图；
图4是本申请实施例提供的电源分配单元的连线示意图，其中，图(a)为第一负载连接组的第一负载插座的连线示意图，图(b)为第二负载连接组的第一负载插座的连线示意图，图(c)为第三负载连接组的第一负载插座的连线示意图；
图5是本申请实施例提供的电源分配单元的第一负载插座的连线示意图；
图6是本申请另一实施例提供的电源分配单元的结构示意图；
图7是本申请实施例提供的配电设备的结构示意图；
图8是本申请实施例提供的电源分配单元的背面的结构示意图。
附图标号说明：10：单元本体；101：第一负载连接组；102：第二负载连接组；103：第三负载连接组；11：第一负载插座；110：三相接口；111：第一接口；112：第二接口；113：第三接口；114：第一零线接口；115：第一地线接口；116：第一空接口；12：液磁开关；13：第二负载插座；14：输出电流平衡指示灯；15：三相连接线；151：第一连接线；152：第二连接线；153：第三连接线；16：负载指示灯；17：连接部；171：连接孔；18：悬挂部；181：悬挂孔；20：支架；21：连接梁。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
需要说明，本申请实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态下各部件之间的相对位置关系、运动情况 等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
还需要说明的是，当元件被称为“固定于”或“设置于”另一个元件上时，它可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为是“连接”另一个元件，它可以是直接连接另一个元件或者也可以是通过居中元件间接连接另一个元件。
另外，在本申请中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本申请要求的保护范围之内。
电源分配单元用于给电气设备分配电力，以确保电气设备安全稳定的运行，现有的电源分配单元一般都是单相输出，在负载电气设备所需的电源为三相时，则还需要更换电源分配单元，为了减少重复投资的成本，本申请给出了一种电源分配单元和配电设备，可同时兼容单相输出和三相输出，以满足不同负载电气设备的使用需求。需知的是，本申请中所说的负载电气设备可以为集中放置的服务器机柜，也可以是其他处理设备，本申请不作限制。
如图1、图5以及图6所示，为本申请实施例提供的电源分配单元，包括：单元本体10。单元本体10用作供负载电气设备连接，以提供电力，而三相插头和单相插头则均为负载电气设备连接单元本体10的连接插头，本申请中，为了实现单元本体10兼容单相输出和三相输出，负载电气设备的三相插头和/或单相插头是与该单元本体10对应的特制插头，以满足在更换负载电气设备的情况下，不用更换单元本体10。
其中，单元本体10设有第一负载插座11，第一负载插座11具有三相接口110、第一零线接口114以及第一地线接口115。
单元本体内三相接口110通过三相连接线15与三相电源相连接，三相电源 是由三个频率相同、振幅相等、相位依次互差120°的交流电势组成的电源，三相连接线15则为三个火线连接线，其中的每一连接线与第一零线接口114连接的零线的电势可供单相输出，每两连接线之间的电势可供三相输出，例如，在三相输出的线电压为380V的情况下，单相输出的相电压为220V，在三相输出的线电压为480V的情况下，单相输出的相电压为277V，本申请中，可根据负载电气设备的使用需求选择三相电源，以确保负载电气设备的正常工作。另外，第一零线接口114通过零线连接线接零线，第一地线接口115则可通过地线连接线接地。具体来说，三相连接线15、零线连接线以及地线连接线可通过单元本体10一端的通孔穿出，与三相电源连接。
本申请中，第一负载插座11设置至少一个，以单相输出或三相输出，并且，在第一负载插座11设置多个的情况下，多个第一负载插座11沿单元本体10的长度方向设置。具体来说，本申请给出的单元本体10是呈长条状的，减少电源分配单元的横向占用空间，将第一负载插座11沿单元本体10的长度方向设置，可尽可能多的设置第一负载插座11，如此，可用于分配电力给多个不同的负载电气设备，方便集中管理。可选的，多个第一负载插座11沿单元本体10的长度方向依序均匀间隔设置。当然，在其他实施例中，多个第一负载插座11也可阵列设置于单元本体上，如3×n，如此以便于划分后面给出的三个负载连接部。
另外，需知的是，三相插头包括三相插脚、第一零线插脚以及第一地线插脚，单相插头包括单相插脚、第二零线插脚以及第二地线插脚，前述三相接口110用于供三相插头的三相插脚适配连接，第一零线接口114用于供三相插头的第一零线插脚适配连接，第一地线接口115用于供三相插头的第一地线插脚适配连接三相接口110；
和/或，三相接口110的其中一个接口用于供单相插头的单相插脚适配连接，第一零线接口114用于供单相插头的第二零线插脚适配连接，第一地线接口115用于供单相插头的第二地线插脚适配连接三相接口110。
三相插头为特制的插头结构，其可适配于前述第一负载插座11，以确保为需要接入三相电源的负载电气设备提供三相电源。单相插头也为特制的插头结构，其可适配于前述第一负载插座11，以确保为需要接入单相电源的负载电气设备提供单相电源。
本申请中，负载电气设备可通过三相插头和/或单相插头插接于第一负载插座11上，以为负载电气设备提供三相电源和/或单相电源，相较于现有的电源分配单元而言，本申请能够同时兼顾三相和单相输出，即使切换负载电气设备，也可满足不同负载电气设备的使用需求，无需更换安装电源分配单元，使用便利，成本较低。
如图2和图3所示，本申请一实施例中，第一负载插座11设置多个，且分为三组，包括第一负载连接组101、第二负载连接组102以及第三负载连接组103，在第一负载连接组101、第二负载连接组102以及第三负载连接组103接入的单相负载相同的情况下，电源分配单元的输出电流平衡。需知的是，如果电源分配单元的输出电流不平衡，可能会增加线路的电能损耗，且可能会对设备造成损害，甚至影响人身安全，将第一负载插座11划分为第一负载连接组101、第二负载连接组102以及第三负载连接组103，需要在每一负载连接部上接入的单相负载平衡，以保证输出平衡，确保稳定的电源输出。需知的是，此处的电源分配单元的输出电流为第一零线接口连接的零线的电流。
如图2和图4所示，具体来说，单元本体10内还设有连接三相电源和三相接口110的三相连接线15，三相连接线15包括第一连接线151、第二连接线152以及第三连接线153，三相接口110包括第一接口111、第二接口112以及第三接口113；
第一负载连接组101的第一负载插座11的第一接口111连接第一连接线151、第二接口112连接第二连接线152、第三接口113连接第三连接线153；
第二负载连接组102的第一负载插座11的第一接口111连接第二连接线152、第二接口112连接第三连接线153、第三接口113连接第一连接线151；
第三负载连接组103的第一负载插座11的第一接口111连接第三连接线153、第二接口112连接第一连接线151、第三接口113连接第二连接线152。
在负载电气设备需要连接三相电源的情况下，负载电气设备可接入任一负载连接部的第一负载插座11中，负载电气设备接入的是线电压，不会影响输出电流的平衡。而在负载电气设备需要连接单相电源的情况下，负载电气设备的单相插头插入第一负载插座11上，接入的是相电压，会在三相连接线15中的其中一连接线和零线上输出电流，如此，则会影响输出电流的平衡。为了保证接入单相电源的负载电气设备的输出电流平衡，在使用的过程中，可确保每一负载连接部所接入的单相负载是平衡的，如此也就确保了三相连接线15的每一连接线的负载平衡，进而使得该电源分配单元的输出电流平衡，以保证电源分配单元的安全稳定的工作。
本申请中，每一负载连接部中均包含多个第一负载插座11，如此，为了确保单相输出电流的平衡，可调节每一负载连接部中插入的负载电气设备的数量，例如，在负载电气设备为同样的电气设备的情况下，可在每一负载连接部中插入的负载电气设备的数量相同。
如图3所示，另外，第一负载连接组101、第二负载连接组102以及第三负载连接组103沿单元本体10的长度方向间隔设置。
如此，方便第一负载连接组101、第二负载连接组102以及第三负载连接组103的区分，便于使用人员调节负载，确保输出电流趋于平衡。进一步的，可通过线条将各负载连接部划开，并通过标识区分，以便于使用。
本申请一实施例中，第一负载连接组101包含的第一负载插座11的数量与第二负载连接组102以及第三负载连接组103相同。
这样，在接入较多负载电气设备的情况下，能确保单相输出电流的平衡。可选的，第一负载连接组101、第二负载连接组102以及第三负载连接组103包含的第一负载插座11的数量均为四个。
如图1和图6所示，本申请一可选实施例中，单元本体10还设有第二负载 插座13，第二负载插座13用于与单相电源相连接。
由于第二负载插座13与单相电源相连接，如此，负载电气设备可直接通过接入该第二负载插座13连接单相电源，由于是直接接入的单相单元，因此也就无需再要求输出电流平衡，即可确保电源分配单元的安全稳定的使用。
可选的，第二负载插座13与第一负载插座11沿单元本体10的长度方向间隔设置。这样，以充分利用该单元本体10的空间，避免额外占用横向空间。
在一实施例中，第二负载插座13具有火线接口、第二零线接口以及第二地线接口，在单相插头插接于第二负载插座13的情况下，单相插脚适配于火线接口，第二零线插脚适配于第二零线接口，第二地线插脚适配于第二地线接口。
如此，可直接通过本申请中所给出的单相接头连接该第二负载插座13，负载电气设备在接入单相电源的情况下，可选择接入第一负载插座11，也可选择接入第二负载插座13，不作限制，方便使用。例如，在接入同样的负载电气设备的情况下，如果需求接入单相电源的负载电气设备的数量为一个，则接入该第二负载插座13即可，在需求接入单相电源的负载电气设备的数量为三个的情况下，则分别接入三个负载连接部的第一负载插座11，可保证输出电流平衡，在需求接入单相电源的负载电气设备的数量为四个的情况下，其中三个分别接入三个负载连接部的第一负载插座11，另一个则接入第二负载插座13，同样可保证输出电流平衡，以此类推，不作赘述。
本申请的进一步实施例中，第二负载插座13至少设置一个，优选的，第二负载插座13的数量为两个，如此，在接入同样的负载电气设备的情况下，可确保该电源分配单元在接入任意数量的负载电气设备时，均能根据接入方式确保输出电流平衡。
在又一实施例中，该第二负载插座13也可为常规的三孔插座，通过使用常规的三脚插头即可连接单相电源。
如图1、图5以及图6所示，本申请一可选实施例中，单元本体10上还设有液磁开关12，液磁开关12用于开断三相连接线15。
这样，以便于根据使用需求开断三相电源，方便负载电气设备电源的集中管理。具体的，该液磁开关12为125A的三相液磁开关12，以对该电源分配单元及连接的负载电气设备整体进行过载保护和短路保护。本申请中，根据需要，液磁开关12可以统一控制三相连接线15的开断，也可分别控制三相连接线15中每一连接线的开断。
同样的，在其他实施例中，单元本体10上还设有控制第二负载插座13开断的开关。
并且，液磁开关12与第一负载插座11位于单元本体10的同一侧。
这样，以便于负载电气设备插接于电源分配单元上，且方便进行相应的管理。具体来说单元本体10的背面是靠设在配电设备的支架20上，单元本体10的正面即设有前述第一负载插座11、第二负载插座13以及液磁开关12。
如图1和图6所示，本申请一可选实施例中，单元本体10上还设有输出电流平衡指示灯14，输出电流平衡指示灯14根据所述电源分配单元的输出电流的大小，显示不同的颜色和/或亮起数量。
输出电流平衡指示灯14用于表明单相输出情况下电流是否平衡，如此，以便于用户直观的了解确认当前负载情况下的单相输出电流是否平衡，从而根据需要调节负载，确保电流趋于平衡。
在进一步的实施例中，输出电流平衡指示灯14设置有多个，输出电流平衡指示灯14的亮起数量随电源分配单元的输出电流的增加而增加。
本实施例中，共设有四个输出电流平衡指示灯14，位于单元本体10的正面，通过检测第一零线连接线的电流来进行亮显。可选的，在输出电流达到10A的情况下，第一个输出电流平衡指示灯14亮起，在输出电流达到30A的情况下，两个输出电流平衡指示灯14亮起，在输出电流达到55A的情况下，三个输出电流平衡指示灯14亮起，在输出电流达到80A的情况下，四个输出电流平衡指示灯14亮起。
在另一可选实施例中，该输出电流平衡指示灯14可以为阶梯灯，亮起的长 度随输出电流的增加而增加，进一步的，亮起的颜色一端至另一端逐级变化，以便于对用户进行醒目的提醒。
这样，以便于提醒用户分配负载，确保单相输出电流的平衡。本实施例中，多个输出电流平衡指示灯14间隔设置，在没有输出电流平衡指示灯14亮起的情况下，表明单相电流输出平衡。在输出电流平衡指示灯14亮起较多的情况下，则可即使提醒用户进行负载的调配。
另外，如图2所示，在该单元本体10的正面处还设有三个负载指示灯16，通过亮显以分别展示三个连接部是否接入单相输出负载。以提示用户选择未亮起的负载连接组插入负载，促进输出电流的平衡。
本申请一可选实施例中，在使用该电源分配单元输出单相电流时，为了进一步确保单相输出电流的平衡，可通过下述方法进行自动调配：
获取第一连接线151的第一单相输出电流、第二连接线152的第二单相输出电流以及第三连接线153的第三单相输出电流；
根据第一单相输出电流、第二单相输出电流以及第三单相输出电流，调节第一连接线151、第一连接线151以及第三连接线153上的负载调节件，使得第一单相输出电流、第二单相输出电流以及第三单相输出电流相同。
其中，第一连接线151、第一连接线151以及第三连接线153上的负载调节件为负载大小可调节的负载结构，通过第一连接线151上的电流检测结构检测第一单相输出电流，第二连接线152上的电流检测结构检测第二单相输出电流，第三连接线153上的电流检测结构检测第三单相输出电流，如此，在零线电流不平衡的情况下，通过在第一连接线151和/或第二连接线152和/或第三连接线153增加负载，使得零线电流趋近于零，保证电源分配单元的单相输出电流的平衡，确保电源分配单元安全稳定的使用。
如图2所示，本申请一可选实施例中，第一负载插座11还具有第一空接口116，三相接口110、第一零线接口114、第一地线接口115以及第一空接口116呈阵列排布设置。具体来说，三相接口110、第一零线接口114、第一地线接口 115以及第一空接口116是呈2×3呈阵列排布设置。
这样，以便于该第一负载插座11的成型制作。可选的，三相插头和单相插头还可包括固定插头，固定插头用作插接于该第一空接口116处，以确保该三相插头和单相插头能够稳定的插接在该第一负载插座11上。
另外，第二负载插座13还具有第二空接口，火线接口、第二零线接口以及第二地线接口以及第二空接口呈阵列排布设置。具体来说，火线接口、第二零线接口以及第二地线接口以及第二空接口是呈2×2呈阵列排布设置。
这样，以便于该第二负载插座13的成型制作。可选的，单相插头还可包括固定插头，固定插头用作插接于该第二空接口处，以确保该单相插头能够稳定的插接在该第二负载插座13上。另外，第一接口111、第一零线接口114、第一地线接口115、第一空接口116的设置位置与火线接口、第二零线接口以及第二地线接口以及第二空接口相同，在单相插头插接于第一负载插座11的情况下，单相插头的单相插脚是适配于第一接口111的，如此，保证该单相插头能够即插接于第一负载插座11，又能够插接于第二负载插座13。
如图7和图8所示，此外，本申请还提供了一种配电设备，包括支架20和上述的电源分配单元；
单元本体10的两端设有连接部17，支架20具有连接梁21，单元本体10两端的连接部17分别连接于连接梁21的两端，支架20用于放置负载电气设备，负载电气设备上设有三相插头和/或单相插头。
本申请中，单元本体10两端的连接部17具有连接孔171，可通过螺钉固定于连接梁21上，另外，在单元本体10的背面还设有悬挂部18，悬挂部18具有悬挂孔181，可悬挂于连接梁21伸出的挂钩，如此，以进一步确保单元本体10稳定安装于支架20上。
具体来说，本实施例中，支架20包括多个横架和多个支撑架，横架则由多个连接梁21构成，多个支撑架分别连接多个横架，以对多个横架进行支撑，每一横架上即形成放置区域，可用作放置负载电气设备，该单元本体10即沿连接 梁21延伸设置。进一步的，为了放置和管理更多的负载电气设备，电源分配单元设置至少一个，每一电源分配单元即设于一横架的其中一连接梁21的侧边，与对应放置的负载电气设备对应。本申请设置的电源分配单元的数量和位置，可根据所放置的负载电气设备而定，当然，支架20的形状和构造也可不限于上述给出的，不作赘述。
以上所述仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是在本申请的申请构思下，利用本申请说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本申请的专利保护范围内。

Claims (10)

  1. 一种电源分配单元，其中，包括：
    单元本体，所述单元本体设有第一负载插座，所述第一负载插座具有三相接口、第一零线接口以及第一地线接口；
    所述三相接口用于供三相插头的三相插脚适配连接，所述第一零线接口用于供三相插头的第一零线插脚适配连接，所述第一地线接口用于供三相插头的第一地线插脚适配连接；
    和/或，所述三相接口的其中一个接口用于供单相插头的单相插脚适配连接，所述第一零线接口用于供单相插头的第二零线插脚适配连接，所述第一地线接口用于供单相插头的第二地线插脚适配连接。
  2. 如权利要求1所述的电源分配单元，其中，所述第一负载插座设置多个，且分为三组，包括第一负载连接组、第二负载连接组以及第三负载连接组，在所述第一负载连接组、第二负载连接组以及第三负载连接组接入的单相负载相同的情况下，所述电源分配单元的输出电流平衡。
  3. 如权利要求2所述的电源分配单元，其中，所述单元本体内还设有连接三相电源和所述三相接口的三相连接线，所述三相连接线包括第一连接线、第二连接线以及第三连接线，所述三相接口包括第一接口、第二接口以及第三接口；
    所述第一负载连接组的所述第一负载插座的第一接口连接所述第一连接线、第二接口连接所述第二连接线、第三接口连接所述第三连接线；
    所述第二负载连接组的所述第一负载插座的第一接口连接所述第二连接线、第二接口连接所述第三连接线、第三接口连接所述第一连接线；
    所述第三负载连接组的所述第一负载插座的第一接口连接所述第三连接线、第二接口连接所述第一连接线、第三接口连接所述第二连接线。
  4. 如权利要求3所述的电源分配单元，其中，所述第一负载连接组包含的 所述第一负载插座的数量与所述第二负载连接组以及所述第三负载连接组相同。
  5. 如权利要求1至4任一项所述的电源分配单元，其中，所述单元本体还设有第二负载插座，所述第二负载插座与单相电源相连接。
  6. 如权利要求5所述的电源分配单元，其中，所述第二负载插座具有火线接口、第二零线接口以及第二地线接口，所述火线接口用于供单相插头的单相插脚适配连接，所述第二零线接口用于供单相插头的第二零线插脚适配连接，所述第二地线接口用于供单相插头的第二地线插脚适配连接。
  7. 如权利要求1至4任一项所述的电源分配单元，其中，所述单元本体上还设有液磁开关，所述液磁开关用于开断所述三相连接线。
  8. 如权利要求1至4任一项所述的电源分配单元，其中，所述单元本体上还设有输出电流平衡指示灯，所述输出电流平衡指示灯根据所述电源分配单元的输出电流的大小，显示不同的颜色和/或亮起数量。
  9. 如权利要求1至4任一项所述的电源分配单元，其中，所述第一负载插座还具有第一空接口，所述三相接口、所述第一零线接口、所述第一地线接口以及所述第一空接口呈阵列排布设置。
  10. 一种配电设备，其中，包括支架和如权利要求1至9任一项所述的电源分配单元；
    所述单元本体的两端设有连接部，所述支架具有连接梁，所述单元本体两端的连接部分别连接于所述连接梁的两端，所述支架用于放置负载电气设备，所述负载电气设备上设有所述三相插头和/或所述单相插头。
PCT/CN2023/113607 2022-09-26 2023-08-17 电源分配单元和配电设备 WO2024066789A1 (zh)

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