RU221216U1 - Power distribution unit with phase-by-phase monitoring of socket groups - Google Patents

Abstract

The utility model relates to the field of electrical engineering, namely to power distribution devices, and can be used to organize reliable power supply to servers, including in cabinets of corporate and commercial data processing centers (DPCs). The power distribution unit with phase-by-phase monitoring of groups of sockets contains a housing made of a base and an overhead cover, which consists of five parts: three parts are socket modules, one part is an intelligent module, one part is a phase control module. At the bottom of the base for each socket module there is a group of two PCBs, which act as adapter boards. Each receptacle module contains a group of receptacles and a receptacle module power board. The intelligent module contains a display, a motherboard connected to a processor module board and a display board. The phase control module contains automatic magnetic-hydraulic switches for socket modules, two EMC filter boards, and a phase control board, which is connected to the intelligent module via wires via the RS485 interface, and this connection passes through the connector located on the intelligent module and the mating part it is located on the adapter board for the socket module. The technical result is to increase the reliability of power supply to servers by making socket modules with phase-by-phase monitoring of groups of sockets removable, which allows you to quickly repair a failed socket, or, if necessary, upgrade the socket module.

Description

The utility model relates to the field of electrical engineering, namely to power distribution devices, and can be used to organize reliable power supply to servers, including in cabinets of corporate and commercial data processing centers (DPCs).

A power distribution unit (PDU) is an electronic module that provides electrical power to a network of electronic devices. Today's distributed computing networks require an intelligent PDU that not only provides power to all connected devices, but also monitors the current consumption and load on each node.

Currently, the needs of the Russian market are met mainly by increasing the volume of imports of intelligent PDUs of foreign production. The share of imports in different segments varied from 70 to 85%.

Technical solutions in the field of intelligent power distribution and monitoring units are known from the prior art.

In the patent for IZ RU 2725023, publ. 06/29/2020 A method for monitoring and managing the consumption of electrical energy by consumers in a house and a complex for its implementation, a complex that implements the method is described, including the electrical network of the house, made in the form of separate lines, means for measuring power, load control means, disconnecting devices, sensors weather conditions, microclimate parameters, open windows and doors, movement, monitoring voltage sinusoids, monitoring parameters of heating, ventilation and air conditioning systems. However, this technical solution does not provide phase-by-phase monitoring of groups of sockets.

The utility model patent CN 214204273 (published on September 14, 2021) describes a power distribution unit, which contains a housing, a front panel and a rear cover, the front panel and rear cover are secured to the housing with screws, a UPS (uninterruptible power supply) unit and a unit power distribution units are located in the housing, the UPS host is electrically connected to the power distribution unit, the UPS host further includes a display screen and indicator light, the display screen and indicator are electrically connected to the UPS host, and the display screen and indicator light are electrically connected to the power distribution unit. The power distribution unit consists of an air circuit breaker, an electricity meter, a surge protector, a miniature circuit breaker, a wiring terminal and guide, an air circuit breaker, an electricity meter, a surge protection device, a miniature circuit breaker and a wiring terminal. mounted on a guide, the guide is fixed in the housing, and mounting holes are made on both sides of the front panel. The display screen, ventilation filter mesh and indicator lamp are located in the middle of the top of the front panel, the ventilation filter mesh is located on the top of the back cover, and the lower parts are the holes of the middle of the front panel and back cover. The disadvantage is that phase-by-phase monitoring of groups of sockets is not provided.

Patent CN 217306962 (publication 08/26/2022) discloses a switching type power distribution unit, which contains a power supply module, a power distribution module and a network switching module, the network switching module contains network switching equipment and a network switching communication port; the power supply distribution module contains a plurality of power supply output terminals; The network exchange communication ports and the power output connectors are in mutual correspondence and exposed to the same surface outside the power distribution module body, and the protrusions of the network exchange communication ports face the side surface of the exchange type power distribution unit, so that the power distribution module is integrated with network exchange equipment, and data exchange and power distribution are integrated; and the number of network ports corresponds to the number of sockets in a one-to-one mode, the number of network ports and power sockets are located in the same plane. The disadvantage is that phase-by-phase monitoring of groups of sockets is not provided.

Patent CN 217009910 (published 2022-07-19) describes a PDM power distribution unit for a data center machine room that includes a standard 19" 1U box enclosure and features a rail mounted above the rear side of the box enclosure, multiple circuit breakers, connected to a sliding block located on the rail, a plurality of rectangular knockout holes, which are arranged horizontally, are located on the top plate along the top of the rail, and the rectangular knockout holes are connected to the sliding block. Spring screws are located at the four corners outside the front side plate of the box body; The mounting holes are made in the upper and lower sides of the box body and have a rounded shape, and shear strips are located along the edges of the mounting holes. The disadvantage is that phase-by-phase monitoring of groups of sockets is not provided.

Patent CN 114725906 (Published 2022-07-08) describes a power distribution unit whose purpose is to avoid power failures caused by faults in the circuit opening and closing controller. The power distribution unit includes a power extension socket that is provided with a plurality of slots; one end of the opening and closing controller is electrically connected to the power supply input end of the power supply expansion socket, and the other end of the opening and closing controller is electrically connected to at least one slot; and the buffer resistor is connected to the circuit opening and closing controller in parallel. The disadvantage is that phase-by-phase monitoring of groups of sockets is not provided.

Patent CN 216488900 (Published 2022-05-10) describes an intelligent power distribution unit PDU related to the technical field of power distribution and comprising a mounting post, a plurality of power plugs connected to slide on the top surface of the mounting post, and two spacers clamped by fastenings The stands are located among the plugs. The inside of the back of the plug is rotatably connected to the flip disk through the support rod, one end of the flip disk is rotatably connected to the socket, the socket is slidably connected to the plug through the telescopic rod, and the intelligent power distribution unit PDU realizes convenient line length adjustment when moving the power plug, but provides phase-by-phase monitoring of groups of sockets.

US Patent Document 2022123554 (Published 2022-04-21) is known to describe a plug-in power distribution unit for modular electrical systems that is easily installed, removed and replaced by skilled or unskilled personnel. The devices include one or more conventional electrical plugs for connection to a conventional wall outlet or the like. and one or more proprietary electrical connectors for connection to a compatible modular power system connector. Optionally, the plug-in power distribution unit can include multiple circuits. The disadvantage is that phase-by-phase monitoring of groups of sockets is not provided.

Patent CN 216774381 (Published 2022-06-17) relates to an intelligent power distribution unit that contains a power supply module, a communication module and a power distribution module, and is characterized in that the power distribution module contains a contact blade located on the main line and an integrated circuit processing. to control the operation of the motor control device and control the contact knife for opening and closing, and the processing integrated circuit is a single-chip microcomputer system; The power distribution module supplies power to the communication module and the processing integrated circuit, the processing integrated circuit is provided with a communication interface, the communication interface is connected to the communication module, and the voltage, current and residual current of the main line are measured by the voltage sensor, current transformer and differential current transformer are combined into an integrated circuit processing scheme. And when the voltage, current and residual current of the main line are not normal, the processing integrated circuit outputs a shutdown control signal to the motor control device. The disadvantage is that phase-by-phase monitoring of groups of sockets is not provided.

The closest technical solution is an intelligent power distribution unit according to patent CN 115103534 (Published 2022-09-23) The invention discloses an intelligent power distribution unit, which contains a housing including a lower part - a base, an overhead cover, an intelligent module, sets of socket modules and printed circuit boards PCB in the amount of 6 pieces, with each two PCB printed circuit boards forming a group in which one is fixed in the base of the case, each group of printed circuit boards is designed to control and monitor one socket module, which is installed on the surface of an overhead cover equipped with a mounting hole for installing a socket module, comprising four independent sockets, the smart module monitors the total load data and the individual data of each socket through a printed circuit board, and it is removably mounted on the base of the unit, which in case of failure of the smart module allows it to be replaced and repaired at any time. The disadvantage is that phase-by-phase monitoring of groups of sockets and hot-swapping of socket modules are not provided.

The purpose of the utility model is to develop a power distribution unit with phase-by-phase monitoring of groups of sockets.

The technical result is to increase the reliability of power supply to servers by making socket modules with phase-by-phase monitoring of groups of sockets removable, which allows you to quickly repair a failed socket or, if necessary, upgrade the socket module.

The technical result is achieved by introducing into a known power distribution unit containing a housing made of a base and an overhead cover, an intelligent module, sets of socket modules and 6 PCB boards, where every two printed circuit boards form a group,

the following new features:

the overhead cover is made of five parts, of which three parts are socket modules, one part is an intelligent module, one part is a phase control module;

each group of two PCBs is installed on the bottom of the housing base and serves as adapter boards for each socket module;

each socket module contains sockets, a power board of the socket module;

the intelligent module contains a display, a motherboard connected to a processor module board and a display board, and performs the function of processing and storing the indicators of measuring modules, in this case, phase control;

The phase control module contains automatic magnetic-hydraulic switches for socket modules, two EMC filter boards and a phase control board.

The overlay cover consists of five parts, of which one part is a phase control module and contains automatic magnetic-hydraulic switches for socket modules, and a phase control board, which is connected to the intelligent module via wires via the RS485 interface, and this connection passes through a connector that located on the intelligent module and its counterpart is located on the adapter board for the socket module, which provides the possibility of hot-swapping socket modules if such a need arises, unknown from the prior art.

Features: the execution of each group of two PCB boards installed on the bottom of the housing base, the functions of adapter boards for each socket module and the fact that each socket module additionally contains a power board of the socket module are also unknown from the prior art and ensure the achievement of the technical result - the possibility of hot replacing any socket module if a malfunction is detected in one of the sockets or the need to upgrade the sockets by turning off the automatic magnetic-hydraulic switch corresponding to the socket module.

Thus, the set of essential features of the claimed utility model meets the requirements of novelty for organizing reliable power supply to servers, including in cabinets of corporate and commercial data processing centers (DPCs).

The utility model is characterized by the following drawings.

Fig. 1 - Disassembled view of a power distribution unit with phase-by-phase monitoring of groups of sockets, where:

1 - Socket module, 2 - Central intelligent module, 3 - Phase control module, 4 - EMC filter board, 5 - Power supply, 6 - Socket module adapter board, 7 - Central module adapter board.

Fig. 2 - General view of the power distribution unit with phase-by-phase monitoring of groups of sockets, where: 8 - Housing, 9 - Socket module cover, 10 - Intelligent module cover, 11 - Phase control module cover.

The claimed utility model is a housing 8, at the bottom of which for each of the three socket modules 1 there is a group of two adapter printed circuit boards 6, two adapter boards 7 for the intelligent module 2 and a power supply 5. The housing cover 1 is made of five parts: three covers 9 for socket module 1, one cover 10 for intelligent module 2, one cover 11 for phase control module 3. Each socket module 1 contains sockets and a socket module power board. Inside the cover 9 for the socket module 1 there is a power board of the socket module (not shown in the figure). The cover 10 of the intelligent module 2 contains a display, as well as a motherboard located inside the cover 10, connected to the processor module board and the display board. The cover 11 for the phase control module 3 contains two EMC filter boards 4 located inside the cover 11, and not shown in the figure: an analog-to-digital converter, current and voltage sensors, as well as magnetic-hydraulic circuit breakers located outside the specified cover 11 for each socket module . In this case, the phase control module 3 includes a board that is connected to the intelligent module 2 via wires via the RS485 interface, and this connection passes through a connector that is located on the intelligent module 2 and its counterpart is located on the adapter board 6 for the socket module 1. This The technical solution provides the ability to hot-swappable socket modules if such a need arises.

A specific example of the operation of the claimed power distribution unit with phase control, confirming compliance with the condition of industrial applicability.

When the claimed power distribution unit operates with phase-by-phase monitoring of groups of sockets, the power supply to the connected servers is distributed. In this case, through the phase control module 3 and the intelligent module 2, the electricity consumption of each phase is monitored, the voltage at the input of each phase is monitored, the current at the input of each phase is monitored, the total power of each phase is monitored, the power factor of each phase is monitored, and the input voltage threshold settings are adjusted. each phase and threshold current values at the input of each phase of each of the socket modules 1. In the event of failure of the socket on any socket module 1, using hydraulic circuit breakers connected to this socket module 1, this socket module 1 is turned off, and without turning off everything block, remove the disconnected socket module 1 to repair or replace the faulty socket. After that, the socket module 1 is installed in place and reconnected via hydraulic circuit breakers.

Thus, the task has been solved and the technical result has been achieved.

Claims (1)

A power distribution unit with phase-by-phase monitoring of groups of sockets, containing a housing made of a base and an overlay cover, an intelligent module, sets of socket modules and six printed circuit boards, where each two printed circuit boards form a group, characterized in that the overlay cover is made of five parts, from of which three parts are socket modules, one part is an intelligent module, one part is a phase control module, and each group of two printed circuit boards is installed on the bottom of the housing base and serves as adapter boards for each socket module; each socket module contains a group of sockets and a power board of the socket module; The cover of the intelligent module contains a display, as well as a motherboard, a processor module board and a display board located under the cover, and the phase control module contains automatic magnetic-hydraulic switches for socket modules, two EM filter boards and a phase control board, which is connected to the intelligent module via wires via the RS485 interface, and this connection passes through the connector, which is located on the intelligent module, and its counterpart is located on the adapter board for the socket module.