CN110865703A - A power distribution unit PDU and a cabinet power supply monitoring system - Google Patents

Abstract

The invention discloses a Power Distribution Unit (PDU), which comprises a power distribution jack, a power parameter measuring circuit, an alarm, a man-machine interaction device and a controller, wherein the power parameter measuring circuit is connected with the power distribution jack and used for measuring power equipment connected with the Power Distribution Unit (PDU), the alarm, the man-machine interaction device and the controller are respectively connected with the measuring circuit, the alarm and the man-machine interaction device and used for controlling the man-machine interaction device to display power parameters, receiving the setting of a load threshold value through the man-machine interaction device and controlling the alarm to alarm when the real-time load of a cabinet obtained through calculation exceeds the load threshold value. The operation and maintenance personnel can input a load threshold value for early warning through the man-machine interaction device, calculation and analysis are carried out on power parameters through the controller, the alarm is controlled to give an alarm when the real-time load of the cabinet reaches the load threshold value, the early warning effect is achieved, the operation and maintenance personnel are timely reminded, and the loss caused by system shutdown due to overload protection outage is avoided. The invention also provides a cabinet power supply monitoring system which has the beneficial effects.

Description

A power distribution unit PDU and a cabinet power supply monitoring system

technical field

The invention relates to the technical field of servers, in particular to a power distribution unit PDU and a cabinet power monitoring system.

Background technique

PDU (Power Distribution Unit, power distribution unit), that is, the power distribution socket for cabinets, is a product designed to provide power distribution for electrical equipment installed in the cabinet. It has various series of different functions, installation methods and different socket combinations. Specifications, can provide suitable rack-mounted power distribution solutions for different power environments. The application of power distribution unit PDU can make the power distribution in the cabinet more neat, reliable, safe, professional and beautiful, and make the maintenance of the power supply in the cabinet more convenient and reliable.

In order to ensure the safety of the power equipment in the cabinet, the power distribution unit PDU is equipped with a measurement circuit for real-time monitoring of power parameters such as power supply voltage, current, active power, reactive power, and frequency, and an overload protection switch is provided for system failure or total failure. Power-off protection is performed when the load current exceeds the system setting value.

However, the power distribution unit PDU in the prior art can only realize overload protection, and the operation and maintenance personnel of the equipment room can only know that the cabinet is overloaded after the overload protection is activated, which will cause a sudden power failure and affect the operation of the system.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a power distribution unit PDU and a cabinet power supply monitoring system, which is used to realize early warning of cabinet load and avoid losses caused by system shutdown due to overload protection and power failure.

In order to solve the above-mentioned technical problems, the present invention provides a power distribution unit PDU, which includes a power distribution jack, a measurement circuit connected to the power distribution jack, an alarm, a human-computer interaction device, and a device connected to the measurement circuit, a controller connected to the alarm device and the human-computer interaction device;

Wherein, the measurement circuit is used to measure the power parameters of the power equipment connected to the power distribution unit PDU; the controller is used to control the human-computer interaction device to display the power parameters, and receive the load threshold value through the human-computer interaction device setting, and control the alarm to give an alarm when the real-time load of the cabinet exceeds the load threshold calculated according to the power parameter.

Optionally, the controller is further configured to calculate and obtain the real-time total power of the cabinet according to the power parameter, subtract the real-time total power from the preset maximum rated power of the cabinet to obtain the remaining power, and control the power of the cabinet. The machine interaction device displays the maximum rated power and the remaining power.

Optionally, it also includes a memory connected to the controller for storing the total power of the cabinet at historical moments.

Optionally, it also includes a wireless communicator for connecting the controller and the host computer;

The controller is further configured to send the power parameter and the real-time load to the upper computer through the wireless communicator.

Optionally, it also includes a space detection device connected to the controller and provided in the cabinet;

The controller is further configured to calculate the remaining physical space of the cabinet according to the space monitoring result of the space detection device, and control the human-computer interaction device to display the remaining physical space.

Optionally, the alarm is specifically an LED indicator.

Optionally, the alarm is specifically a buzzer.

Optionally, the human-computer interaction device is specifically a touch screen.

Optionally, the human-computer interaction device specifically includes a display and a button device respectively connected to the controller.

In order to solve the above technical problem, the present invention also provides a cabinet power monitoring system, which includes the power distribution unit PDU described in any one of the above, and also includes a host computer connected to the power distribution unit PDU.

The power distribution unit PDU provided by the present invention includes a power distribution jack, a measurement circuit connected with the power distribution jack, an alarm, a human-computer interaction device, and a control device respectively connected with the measurement circuit, the alarm and the human-computer interaction device wherein, the measurement circuit is used to measure the power parameters of the power equipment connected to the power distribution unit PDU; the controller is used to control the human-computer interaction device to display the power parameters, receive the setting of the load threshold through the human-computer interaction device, and use the power parameters according to the power parameters. It is calculated that when the real-time load of the cabinet exceeds the load threshold, the alarm is controlled to give an alarm. Through the human-computer interaction device, the operation and maintenance personnel can input the load threshold for early warning, calculate and analyze the power parameters through the controller, and control the alarm to give an alarm when the real-time load of the cabinet reaches the load threshold, so as to achieve the effect of early warning and remind in time. Operation and maintenance personnel to avoid losses caused by system shutdown due to overload protection and power failure. The present invention also provides a cabinet power supply monitoring system, which has the above beneficial effects, and will not be repeated here.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following will briefly introduce the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic structural diagram of a power distribution unit PDU according to an embodiment of the present invention;

FIG. 2 is a schematic appearance diagram of a power distribution unit PDU according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of another power distribution unit PDU according to an embodiment of the present invention.

Detailed ways

The core of the present invention is to provide a power distribution unit PDU and a cabinet power supply monitoring system, which is used to realize early warning of cabinet load and avoid losses caused by system shutdown due to overload protection and power failure.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

FIG. 1 is a schematic structural diagram of a power distribution unit PDU according to an embodiment of the present invention; FIG. 2 is a schematic appearance diagram of a power distribution unit PDU according to an embodiment of the present invention.

As shown in FIG. 1 , the power distribution unit PDU provided by the embodiment of the present invention includes a power distribution jack 101 , a measurement circuit 102 connected to the power distribution jack 101 , an alarm 103 , a human-computer interaction device 104 , and a measurement circuit 102 connected to the power distribution jack 101 respectively. 102. The controller 105 connected with the alarm 103 and the human-computer interaction device 104;

Wherein, the measurement circuit 102 is used to measure the power parameters of the power equipment connected to the power distribution unit PDU; the controller 105 is used to control the human-computer interaction device 104 to display the power parameters, receive the setting of the load threshold through the human-computer interaction device 104, and in the The alarm device 103 is controlled to give an alarm when the real-time load of the cabinet exceeds the load threshold calculated according to the power parameters.

In a specific implementation, the body of the power distribution unit PDU provided by the embodiment of the present invention is a cuboid, and the outer surface is provided with a power distribution jack 101 , a human-computer interaction device 104 and an alarm 103 .

The power distribution jack 101 is connected to an uninterruptible power supply UPS (Uninterruptible Power System/Uninterruptible Power Supply), and is provided for supplying power to the electrical equipment connected therein. The measuring circuit 102 is electrically connected to the power distribution jack 101, and is used for measuring power parameters such as supply voltage, current, active power, reactive power, and frequency.

The human-computer interaction device 104 may include a display and a key device connected to the controller 105, respectively. Among them, the display screen of the display is used as an information interaction interface, which is used to display power parameters (such as real-time power) and view the keyed content when the operation and maintenance personnel type on the key device, and can also be used to display information such as time. The human-computer interaction device 104 may also use a touch screen. On the key device or touch screen, three keys can be set, namely the up key (increase key), the function key and the down key (decrease key). These three keys are used to receive the entered data. When the load threshold is in the early warning, select "Monitoring Threshold Power" through the up and down keys, press the function key, and then increase or decrease the number through the up and down keys, and the unit of the number is kw.

The controller 105 can also be used to calculate the real-time total power of the cabinet according to the power parameters, subtract the preset maximum rated power of the cabinet from the real-time total power to obtain the remaining power, and control the human-computer interaction device 104 to display the maximum rated power and remaining power.

After the cabinet is encapsulated, the operation and maintenance personnel will not be able to know the maximum rated power of the cabinet, and there is no basis for reference when adding electrical equipment to the cabinet. Therefore, the maximum rated power or residual power of the cabinet can be displayed to the operation and maintenance personnel. Specifically, before the cabinet is packaged, the electrician measures the output value of the uninterruptible power supply UPS to obtain the maximum current value, which is multiplied by the rated voltage to obtain the maximum rated power. The maximum rated power can be input to the controller 105 by the electrician through the human-computer interaction device 104 before encapsulating the cabinet. Specifically, the “input power” can be selected by the up and down keys, and then the up and down keys can be pressed after pressing the function key. key to increase or decrease the number, the number unit is kw.

Further, in order to facilitate the operation and maintenance personnel to periodically analyze the power consumption of the cabinet, the power distribution unit PDU provided in this embodiment of the present invention may further include a memory connected to the controller 105 for storing the total power of the cabinet at historical times. Of course, in addition to the time series of the total power at historical moments, other power parameters can also be stored.

In addition, in order to facilitate remote management and unified management, the power distribution unit PDU provided in the embodiment of the present invention may further include a wireless communicator for connecting the controller 105 and the upper computer;

The controller 105 is also used for sending power parameters and real-time loads to the upper computer through the wireless communicator.

The wireless communicator may use a Wi-Fi communicator, a GPRS communicator, or the like.

In addition to the wireless communicator, the power distribution unit PDU provided by the embodiment of the present invention may further include an RJ45 socket for exporting data, so that the operation and maintenance personnel use a computer to connect to the controller 105 to read data.

The alarm 103 can use LED indicators. The LED indicator can be set on the side of the display or the touch screen, and the number can be multiple. For example, a green LED indicator can be set to display information about the remaining power in the cabinet, and a yellow LED indicator can be set to display the information in the cabinet. Information that the real-time total power is approaching the load threshold, and a red LED indicator is set to display the information that the real-time total power in the cabinet exceeds the load threshold.

The alarm 103 may also use a buzzer to prompt timely when the operation and maintenance personnel add new power equipment to the cabinet so that the real-time load exceeds the load threshold.

For ease of implementation, an embodiment of the present invention provides an appearance structure of a power distribution unit PDU as shown in FIG. 2 . A panel is added next to the power distribution jack 101 as a human-computer interaction device 104 , with a set of display screens in the middle and a left panel on the left. The side is the above three buttons, and the right side is the two indicator lights as the alarm 103; among them, the left display screen is used to display time, input power (kw) and load threshold (kw), and the right display screen is used to display Time and real-time total power (kw); indicators include a green indicator for normal operation of the power distribution unit PDU and a red indicator for an early warning signal when the real-time load exceeds the load threshold. An RJ45 module is provided between the panel and the power distribution jack 101 for exporting historical data.

The power distribution unit PDU provided by the embodiment of the present invention includes a power distribution jack, a measurement circuit connected to the power distribution jack, an alarm, a human-computer interaction device, and a measurement circuit, an alarm, and a human-computer interaction device connected respectively. The controller; wherein, the measurement circuit is used to measure the power parameters of the power equipment connected to the power distribution unit PDU; the controller is used to control the human-computer interaction device to display the power parameters, receive the setting of the load threshold through the human-computer interaction device, and according to the power The parameters are calculated and the real-time load of the cabinet exceeds the load threshold, and the alarm is controlled to give an alarm. Through the human-computer interaction device, the operation and maintenance personnel can input the load threshold for early warning, calculate and analyze the power parameters through the controller, and control the alarm to give an alarm when the real-time load of the cabinet reaches the load threshold, so as to achieve the effect of early warning and remind in time. Operation and maintenance personnel to avoid losses caused by system shutdown due to overload protection and power failure.

FIG. 3 is a schematic structural diagram of another power distribution unit PDU according to an embodiment of the present invention.

In addition to power capacity management, physical space capacity management is also a major area of current data center management. Therefore, on the basis of the above embodiment, as shown in FIG. 3 , the power distribution unit PDU provided by the embodiment of the present invention further includes a space detection device 301 connected to the controller 105 and provided in the cabinet;

The controller 105 is further configured to calculate the remaining physical space of the cabinet according to the space monitoring result of the space detection device 301 , and control the human-computer interaction device 104 to display the remaining physical space.

In a specific implementation, the space detection device 301 can use infrared sensors, pressure sensors, etc., and is located inside the cabinet to detect the space parameters occupied by the existing electrical equipment in the cabinet and transmit it to the controller 105, and the controller 105 according to these parameters The space parameters and the volume of the cabinet when the cabinet is completely idle are calculated as the remaining physical space of the cabinet, and the human-computer interaction device 104 is controlled to display the remaining physical space.

Various embodiments corresponding to the power distribution unit PDU have been described in detail above. On this basis, the present invention also discloses a cabinet power supply monitoring system corresponding to the above-mentioned power distribution unit PDU.

An embodiment of the present invention provides a cabinet power monitoring system, which may include the power distribution unit PDU described in any of the above embodiments, and also include a host computer connected to the power distribution unit PDU.

The host computer can be connected to the controllers 105 of multiple power distribution units PDUs through wireless communicators or wired communication modules (such as RJ45) to realize remote control and unified control of the power distribution units PDUs. The power measured by each power distribution unit PDU The parameters can be displayed on an interface by the host computer for the operation and maintenance personnel to view uniformly, and at the same time, the over-limit parameters can be alarmed by setting the threshold.

A power distribution unit PDU and a cabinet power supply monitoring system provided by the present invention have been described in detail above. The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these entities or operations. There is no such actual relationship or sequence between operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Claims (10)

1. A power distribution unit PDU is characterized in that, comprising a power distribution jack, a measurement circuit connected with the power distribution jack, an alarm, a human-computer interaction device, and a connection with the measurement circuit, the alarm, respectively. a controller connected to the human-computer interaction device; Wherein, the measurement circuit is used to measure the power parameters of the power equipment connected to the power distribution unit PDU; the controller is used to control the human-computer interaction device to display the power parameters, and receive the load threshold value through the human-computer interaction device setting, and control the alarm to give an alarm when the real-time load of the cabinet exceeds the load threshold calculated according to the power parameter. 2 . The power distribution unit PDU according to claim 1 , wherein the controller is further configured to calculate the real-time total power of the cabinet according to the power parameter, and subtract the preset maximum rated power of the cabinet from the preset maximum rated power of the cabinet. 3 . The real-time total power obtains the remaining power, and controls the human-computer interaction device to display the maximum rated power and the remaining power. 3 . The power distribution unit PDU according to claim 1 , further comprising a memory connected to the controller for storing the total power of the cabinet at historical moments. 4 . 4. The power distribution unit PDU according to claim 1, further comprising a wireless communicator for connecting the controller and a host computer; The controller is further configured to send the power parameter and the real-time load to the upper computer through the wireless communicator. 5. The power distribution unit (PDU) according to claim 1, further comprising a space detection device connected to the controller and provided in the cabinet; The controller is further configured to calculate the remaining physical space of the cabinet according to the space monitoring result of the space detection device, and control the human-computer interaction device to display the remaining physical space. 6. The power distribution unit PDU according to claim 1, wherein the alarm is specifically an LED indicator. 7 . The power distribution unit PDU according to claim 1 , wherein the alarm is a buzzer. 8 . 8 . The power distribution unit PDU according to claim 1 , wherein the human-computer interaction device is a touch screen. 9 . 9 . The power distribution unit PDU according to claim 1 , wherein the human-computer interaction device specifically comprises a display and a button device respectively connected to the controller. 10 . 10. A cabinet power supply monitoring system, comprising the power distribution unit PDU according to any one of claims 1 to 9, and a host computer connected to the power distribution unit PDU.

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