CN110865703A - Power distribution unit PDU and cabinet power monitoring system - Google Patents
Power distribution unit PDU and cabinet power monitoring system Download PDFInfo
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- CN110865703A CN110865703A CN201911107701.4A CN201911107701A CN110865703A CN 110865703 A CN110865703 A CN 110865703A CN 201911107701 A CN201911107701 A CN 201911107701A CN 110865703 A CN110865703 A CN 110865703A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/325—Display of status information by lamps or LED's
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Computing Systems (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
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
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
A PDU (Power Distribution Unit), i.e., a Power Distribution socket for a cabinet, is a product designed to provide Power Distribution for electrical equipment installed in the cabinet, has various series specifications of different functions, installation modes and different insertion combinations, and can provide a suitable rack-mounted Power Distribution solution for different Power environments. The application of the power distribution unit PDU can enable the power distribution in the cabinet to be more orderly, reliable, safe, professional and attractive, and the maintenance of the power in the cabinet to be more convenient and reliable.
In order to ensure the safety of the power equipment in the cabinet, the power distribution unit PDU is provided with a measuring circuit for monitoring power parameters such as power supply voltage, current, active power, reactive power, frequency and the like in real time, and an overload protection switch for performing power-off protection when a system fault or total load current exceeds a system set value.
However, the power distribution unit PDU in the prior art can only realize overload protection, and the machine room operation and maintenance personnel can only wait for the overload protection to start and then know that the machine cabinet is overloaded, which can cause a sudden power failure problem and affect the system operation.
Disclosure of Invention
The invention aims to provide a Power Distribution Unit (PDU) and a cabinet power monitoring system, which are used for realizing early warning of cabinet load and avoiding loss caused by system shutdown due to overload protection outage.
In order to solve the technical problem, the invention provides a Power Distribution Unit (PDU), which comprises a power distribution jack, a measuring circuit connected with the power distribution jack, an alarm, a human-computer interaction device and a controller respectively connected with the measuring circuit, the alarm and the human-computer interaction device;
the measurement circuit is used for measuring power parameters of power equipment connected with the power distribution unit PDU; the controller is used for controlling the human-computer interaction device to display the power parameters, receiving the setting of a load threshold value through the human-computer interaction device, and controlling the alarm to give an alarm when the real-time load of the cabinet calculated according to the power parameters exceeds the load threshold value.
Optionally, the controller is further configured to calculate a real-time total power of the cabinet according to the power parameter, subtract the real-time total power from a preset maximum rated power of the cabinet to obtain a remaining power, and control the human-computer interaction device to display the maximum rated power and the remaining power.
Optionally, the rack further comprises a memory connected to the controller for storing the total power of the rack at historical time.
Optionally, the system further comprises a wireless communicator for connecting the controller and the upper computer;
the controller is also used for sending the power parameters and the real-time load to the upper computer through the wireless communicator.
Optionally, the system further comprises a space detection device connected with the controller and arranged on the cabinet;
the controller is also used for calculating the residual physical space of the cabinet according to the space monitoring result of the space detection device and controlling the human-computer interaction device to display the residual physical space.
Optionally, the alarm is specifically an LED indicator light.
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 key device respectively connected to the controller.
In order to solve the technical problem, the invention further provides a power supply monitoring system of the equipment cabinet, which comprises the power distribution unit PDU and an upper computer connected with the power distribution unit PDU.
The power distribution unit PDU provided by the invention comprises a power distribution jack, a measuring circuit connected with the power distribution jack, an alarm, a human-computer interaction device and a controller respectively connected with the measuring circuit, the alarm and the human-computer interaction device; the measurement circuit is used for measuring power parameters of power equipment connected with the power distribution unit PDU; the controller is used for controlling the human-computer interaction device to display the power parameters, receiving the setting of the load threshold value through the human-computer interaction device, and controlling the alarm to give an alarm when the real-time load of the cabinet is calculated according to the power parameters and exceeds the load threshold value. Through the man-machine interaction device, the operation and maintenance personnel can input the load threshold value for early warning, 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 effect of early warning 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 and is not repeated herein.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power distribution unit PDU according to an embodiment of the present invention;
fig. 2 is an external schematic view 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 Description
The core of the invention is to provide a power distribution unit PDU and a cabinet power monitoring system, which are used for realizing the early warning of cabinet load and avoiding the loss caused by system shutdown due to overload protection outage.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, 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 an external schematic view of a power distribution unit PDU according to an embodiment of the present invention.
As shown in fig. 1, a power distribution unit PDU provided in 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 controller 105 connected to the measurement circuit 102, the alarm 103, and the human-computer interaction device 104;
the measurement circuit 102 is configured to measure a power parameter of an electrical device connected to the power distribution unit PDU; the controller 105 is configured to control the human-computer interaction device 104 to display the power parameter, receive the setting of the load threshold through the human-computer interaction device 104, and control the alarm 103 to alarm when the real-time load of the cabinet calculated according to the power parameter exceeds the load threshold.
In specific implementation, the body of the power distribution unit PDU provided in 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) and is disposed to Supply Power to Power devices connected thereto. The measurement circuit 102 is electrically connected to the power distribution jack 101, and is configured to measure power parameters such as power supply voltage, current, active power, reactive power, and frequency.
The human-computer interaction device 104 may include a display and a key device respectively connected to the controller 105. The display screen of the display is used as an information interaction interface for displaying power parameters (such as real-time power) and viewing the keyed-in content when the operation and maintenance personnel key in on the key device, and can also be used for displaying information such as time. The human-computer interaction device 104 can also adopt a touch screen. On the key device or the touch screen, three keys can be arranged, namely an upturning key (increasing key), a function key and a downturning key (decreasing key), and the three keys are used for receiving input data, if a load threshold value for early warning is set, the 'monitoring threshold value power' is selected through the upturning key and the downturning key, and numbers are increased or decreased through the upturning key and the downturning key after the function key is pressed, wherein the number unit is kw.
The controller 105 may further be configured to calculate a real-time total power of the cabinet according to the power parameter, subtract the real-time total power from a preset maximum rated power of the cabinet to obtain a remaining power, and control the human-computer interaction device 104 to display the maximum rated power and the remaining power.
After the cabinet is packaged, the operation and maintenance personnel cannot know the maximum rated power of the cabinet, and when the power equipment is added into the cabinet, reference basis is lacked, so that the maximum rated power or the residual power of the cabinet can be displayed to the operation and maintenance personnel. Specifically, before cabinet packaging, an electrician measures an output value of the UPS to obtain a maximum current value, and the maximum current value is multiplied by a rated voltage to obtain the maximum rated power. The maximum rated power can be input into the controller 105 by an electrician through the man-machine interaction device 104 before packaging the cabinet, specifically, the 'input power' can be selected through an up-turning key and a down-turning key, and the number is increased or decreased through the up-turning key and the down-turning key after a function key is pressed, wherein the unit of the number 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 the embodiment of the present invention may further include a memory connected to the controller 105 and configured to store the total power of the cabinet at a historical time. Of course, other power parameters may be stored in addition to the time series of the total power at the historical time instants.
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 to send power parameters and real-time loads to the upper computer through the wireless communicator.
The wireless communicator may employ a Wi-Fi communicator, a GPRS communicator, or the like.
In addition to the wireless communicator, the power distribution unit PDU of the present invention may also include an RJ45 jack for data export so that the maintenance personnel may use the computer connection controller 105 to read the data.
The alarm 103 may employ an LED indicator light. The LED indicating lamps can be specifically arranged on one side of the display or the touch screen, the number of the LED indicating lamps can be multiple, for example, a green LED indicating lamp can be arranged for displaying information that the residual power in the cabinet is larger, a yellow LED indicating lamp can be arranged for displaying information that the real-time total power in the cabinet approaches the load threshold value, and a red LED indicating lamp can be arranged for displaying information that the real-time total power in the cabinet exceeds the load threshold value.
The alarm 103 may also be a buzzer for prompting 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 convenience of implementation, an appearance structure of a power distribution unit PDU provided in the embodiments of the present invention is shown in fig. 2, a panel is added beside a power distribution jack 101 as a human-computer interaction device 104, a group of display screens is arranged in the middle, the three buttons are arranged on the left side, and two indicator lights are arranged on the right side as an alarm 103; wherein, the left display screen is used for displaying time, input power (kw) and a load threshold (kw), and the right display screen is used for displaying time and real-time total power (kw); the indicator lamps comprise green indicator lamps used for displaying normal operation of the power distribution unit PDU and red indicator lamps used for displaying early warning signals when the real-time load exceeds a load threshold value. An RJ45 module is provided between the panel and the power distribution jack 101 for deriving historical data.
The power distribution unit PDU provided by the embodiment of the invention comprises a power distribution jack, a measuring circuit connected with the power distribution jack, an alarm, a human-computer interaction device and a controller respectively connected with the measuring circuit, the alarm and the human-computer interaction device; the measurement circuit is used for measuring power parameters of power equipment connected with the power distribution unit PDU; the controller is used for controlling the human-computer interaction device to display the power parameters, receiving the setting of the load threshold value through the human-computer interaction device, and controlling the alarm to give an alarm when the real-time load of the cabinet is calculated according to the power parameters and exceeds the load threshold value. Through the man-machine interaction device, the operation and maintenance personnel can input the load threshold value for early warning, 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 effect of early warning is achieved, the operation and maintenance personnel are timely reminded, and the loss caused by system shutdown due to overload protection outage is avoided.
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 large 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 in the embodiment of the present invention further includes a space detection device 301 connected to the controller 105 and disposed in the cabinet;
the controller 105 is further configured to calculate a remaining physical space of the cabinet according to the space monitoring result of the space detecting 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 may be an infrared sensor, a pressure sensor, or the like, and is disposed inside the cabinet, and is configured to detect space parameters occupied by existing power equipment in the cabinet and transmit the space parameters to the controller 105, and the controller 105 calculates the remaining physical space of the cabinet according to the space parameters and the volume of the cabinet when the cabinet is completely idle, and controls the human-computer interaction device 104 to display the remaining physical space.
On the basis of the above detailed description of each embodiment corresponding to the power distribution unit PDU, the present invention also discloses a cabinet power monitoring system corresponding to the power distribution unit PDU.
The embodiment of the invention provides a power supply monitoring system for a machine cabinet, which can comprise the power distribution unit PDU and an upper computer connected with the power distribution unit PDU.
The host computer can be connected with the controller 105 of a plurality of power distribution unit PDU through wireless communicator or wired communication module (like RJ45), realizes remote control and unified control to power distribution unit PDU, and the electric power parameter that each power distribution unit PDU measured can be passed through the host computer and show that supply operation and maintenance personnel are unified to look over on an interface, simultaneously through setting up the threshold value, reports to the police to transfinite the parameter.
The power distribution unit PDU and the cabinet power monitoring system provided by the present invention are described in detail above. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A Power Distribution Unit (PDU) is characterized by comprising a power distribution jack, a measuring circuit connected with the power distribution jack, an alarm, a human-computer interaction device and a controller respectively connected with the measuring circuit, the alarm and the human-computer interaction device;
the measurement circuit is used for measuring power parameters of power equipment connected with the power distribution unit PDU; the controller is used for controlling the human-computer interaction device to display the power parameters, receiving the setting of a load threshold value through the human-computer interaction device, and controlling the alarm to give an alarm when the real-time load of the cabinet calculated according to the power parameters exceeds the load threshold value.
2. The power distribution unit PDU of claim 1, wherein the controller is further configured to calculate a total real-time power of the cabinet according to the power parameter, subtract the total real-time power from a preset maximum rated power of the cabinet to obtain a remaining power, and control the human-computer interaction device to display the maximum rated power and the remaining power.
3. The power distribution unit PDU of claim 1, further comprising a memory coupled to the controller for storing total power for the cabinet at historical times.
4. The power distribution unit PDU of claim 1, further comprising a wireless communicator for connecting the controller and an upper computer;
the controller is also used for sending the power parameters and the real-time load to the upper computer through the wireless communicator.
5. The power distribution unit PDU of claim 1, further comprising a space detection device coupled to the controller and disposed in the cabinet;
the controller is also used for calculating the residual physical space of the cabinet according to the space monitoring result of the space detection device and controlling the human-computer interaction device to display the residual physical space.
6. Power distribution unit PDU according to claim 1, characterized in that the alarm is in particular an LED indicator light.
7. Power distribution unit PDU according to claim 1, characterized in that the alarm is in particular a buzzer.
8. The power distribution unit PDU of claim 1, wherein the human-computer interaction device is a touch screen.
9. The power distribution unit PDU of claim 1, wherein the human-machine interaction device specifically comprises a display and a key device respectively connected to the controller.
10. A cabinet power monitoring system, comprising the power distribution unit PDU of any one of claims 1 to 9, and further comprising an upper computer connected to the power distribution unit PDU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911107701.4A CN110865703A (en) | 2019-11-13 | 2019-11-13 | Power distribution unit PDU and cabinet power monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911107701.4A CN110865703A (en) | 2019-11-13 | 2019-11-13 | Power distribution unit PDU and cabinet power monitoring system |
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| CN110865703A true CN110865703A (en) | 2020-03-06 |
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| CN201911107701.4A Pending CN110865703A (en) | 2019-11-13 | 2019-11-13 | Power distribution unit PDU and cabinet power monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737117A (en) * | 2020-12-25 | 2021-04-30 | 前进电子(苏州)有限公司 | Monitoring method for power distribution unit |
| CN113933622A (en) * | 2021-09-26 | 2022-01-14 | 湖北睿能电气有限公司 | PDU and method for intelligent fault positioning |
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| CN204360158U (en) * | 2015-01-28 | 2015-05-27 | 宁波腾浪网络通信设备有限公司 | A kind of intelligent PDU system |
| CN109582531A (en) * | 2018-10-15 | 2019-04-05 | 平安科技（深圳）有限公司 | Monitoring method, device and the electronic equipment of power distribution unit |
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| CN202917751U (en) * | 2012-09-26 | 2013-05-01 | 上海欣丰电子有限公司 | Intelligent power supply distribution unit |
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| CN113933622A (en) * | 2021-09-26 | 2022-01-14 | 湖北睿能电气有限公司 | PDU and method for intelligent fault positioning |
| CN113933622B (en) * | 2021-09-26 | 2023-12-15 | 湖北睿能电气有限公司 | PDU and method for intelligent fault location |
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Application publication date: 20200306 |