CN213990277U

CN213990277U - Intelligent direct-current full-electric-quantity column head cabinet power supply monitoring system

Info

Publication number: CN213990277U
Application number: CN202022102192.0U
Authority: CN
Inventors: 王诚; 唐振坤; 赵晓培
Original assignee: Nanjing University of Posts and Telecommunications
Current assignee: Nanjing University of Posts and Telecommunications
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-08-17
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses an intelligent direct current full-electric quantity first cabinet power monitoring system, which comprises a host device, a plurality of slave devices and a human-computer interaction terminal, wherein one end of each slave device is connected with a server to receive electrical parameters of the server, and the other end of each slave device is connected with the host device to transmit the received electrical parameters of the server to the host device; one end of the host equipment is connected with the slave equipment and used for receiving the server parameter data transmitted by the slave equipment, and the other end of the host equipment is connected with the human-computer interaction terminal and used for transmitting the server parameter data to the human-computer interaction terminal interface in real time for display; the man-machine interaction terminal is connected with the host equipment, and transmits the operation instruction to the host equipment while displaying the electrical parameter data of the server. The utility model has simple structure, convenient use and low cost; without cumbersome setup requirements and without high maintenance techniques. The maintenance cost of the server is saved for ensuring the stable and efficient operation of the server.

Description

Intelligent direct-current full-electric-quantity column head cabinet power supply monitoring system

Technical Field

The utility model relates to a monitored control system, in particular to first cabinet power monitored control system of full electric quantity of intelligence direct current row.

Background

With the development of networks, large-scale data centers are more and more constructed. Network equipment of a data center, such as a server, a switch, a small-sized machine and the like, are arranged in a cabinet, the cabinets are arranged in rows in practical application, and each row is provided with a power distribution cabinet for supplying power, namely a row head cabinet. The data center column head cabinet is a direct current power supply distribution column cabinet capable of comprehensively collecting all energy data, provides high-precision measurement data for a terminal energy monitoring system, feeds back electric energy quality data in real time through a display unit, and uploads the electric energy quality data to a background control system through communication, so that the real-time monitoring of the whole power distribution system is achieved. The device is mainly used for providing services such as power distribution, power distribution loop protection, metering, management and computer grounding for important equipment such as a network server and the like, and is used in the field of uninterrupted power supply with high power supply reliability requirement.

The direct-current full-electric-quantity column head cabinet power supply monitoring system is mainly used for monitoring electrical parameters of an output part and comprises units for data acquisition, data processing, data display and the like. The data center has extremely high requirements on the reliability of power utilization, and huge loss is caused by unexpected power failure, so that the column head cabinet branch needs to be monitored to prevent accidents.

Nowadays, the network scale is getting bigger and bigger, so that the scale of the power machine room is also getting bigger and bigger, and the great increase of the number of the equipment inevitably causes that the early warning detection of the equipment can not be carried out in advance, and the maintenance efficiency of the power machine room is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an intelligent DC full-electric-quantity column head cabinet power supply monitoring system which has simple structure, convenient use and low cost; the method has no complicated setting requirements and does not need high maintenance technology, and has important practical application value for ensuring stable and efficient operation of the server and saving the maintenance cost of the server.

The purpose of the utility model is realized like this: an intelligent direct-current full-electric-quantity column head cabinet power supply monitoring system comprises a host device, a plurality of slave devices and a human-computer interaction terminal, wherein one end of each slave device is connected with a server to receive electrical parameters of the server, and the other end of each slave device is connected with the host device to transmit the received electrical parameters of the server to the host device; one end of the host equipment is connected with the slave equipment and used for receiving the server parameter data transmitted by the slave equipment, and the other end of the host equipment is connected with the human-computer interaction terminal and used for transmitting the server parameter data to the human-computer interaction terminal interface in real time for display; the man-machine interaction terminal is connected with the host equipment, and transmits the operation instruction to the host equipment while displaying the electrical parameter data of the server.

Further, the host device comprises a first main control module, a first power supply module, a first relay module, a first RS485 bus module and a first input control module; the first RS485 bus module and the first input control module are respectively connected with the first main control module; the first main control module is also connected with the first power supply module and the first relay module.

Further, the slave device comprises a second master control module, a second power supply module, a second RS485 bus module and a second input control module; and the second power supply module and the second RS485 bus module are respectively connected with the second main control module.

Furthermore, the second input control module comprises a voltage input control module and a current input control module, and the voltage input control module and the current input control module are respectively connected with the second main control module.

Furthermore, the first main control module is further connected with the first clock module, the first storage unit and the first JTAG interface.

Furthermore, the second main control module is also connected with a second clock module, a second storage unit and a second JTAG interface.

Furthermore, the first RS485 bus module is respectively connected with the monitoring terminal, the human-computer interaction terminal and the slave device through RS485 bus interfaces.

Furthermore, the first power supply module comprises a transformer, a rectifying circuit, a voltage stabilizing circuit and a filter circuit which are connected in sequence.

Furthermore, the second power supply module comprises a transformer, a rectifying circuit, a voltage stabilizing circuit and a filter circuit which are connected in sequence.

The utility model discloses the during operation: the host and the slave cooperate with each other, and the slave finishes the collection of electrical parameters of all the access servers; the host is used for realizing the integration of the data of the multiple slave machines, judging the running state of each server corresponding to the data slave machines, and simultaneously sending the data of all the slave machines upwards to the human-computer interaction terminal display and monitoring platform for data display; on one hand, the man-machine interaction terminal finishes reading the electrical parameters and the alarm information of each server sent by the host; on the other hand, the control function of the point and the point of each server connected to the slave can be realized automatically or manually through the control master.

The utility model adopts the above technical scheme, compare with prior art, beneficial effect lies in: the man-machine interaction terminal is provided with a 7-inch LCD Chinese display touch screen, a power distribution system scheme can be displayed in real time, the voltage, the current, the power and the electric energy of an incoming loop can be detected in real time, the current, the voltage, the maximum current, the power and the electric energy of a 144-path branch circuit can be detected in an expanded mode, an alarm can be given when the current, the voltage, the maximum current, the power and the electric energy of the 144-path branch circuit exceed the corresponding set range, a user can set the operation state of a certain server or a certain server on an interface independently according to actual requirements, and simultaneously, information such as the name, the number, the alarm threshold, the alarm priority and a monitoring mode of each server are set in a humanized mode according to different functions and importance degrees of each server; the direct-current full-electric-quantity column head cabinet power supply monitoring system is established in a server room of a data center, real-time data monitored by a control system are obtained from all servers and terminals, and the overall condition and the running state of the servers are monitored, so that the running state of the servers is analyzed, and environment monitoring, fault processing, load management, mode analysis and the like are carried out. Therefore, the server is efficiently controlled and managed, and the server is constantly in a stable running state; the control platform binds the system and the user by mobile phone movement, and the fault information informs the user at the first time through short messages and voice prompts, so that the processing of the fault area of the server and the quick recovery of the non-fault area are completed; the system can effectively monitor the running state of each server in the server cluster, can visually, accurately and effectively record various data such as the real-time running state, the voltage and current change, the energy consumption and the like of each server according to the needs, and can realize point-to-point effective control on the switching state of each server in the server cluster. The control system has simple structure, convenient use and low cost; without cumbersome setup requirements and without high maintenance techniques. The intelligent system can work well only by installing hardware products in the cabinet and then installing corresponding software parts on the monitoring server. The method has important practical application value for ensuring stable and efficient operation of the server and saving the maintenance cost of the server.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic block diagram of the middle host device of the present invention.

Fig. 3 is a schematic block diagram of the slave device of the present invention.

Fig. 4 is a functional schematic diagram of the man-machine interaction terminal of the present invention.

Fig. 5 is a schematic diagram of a practical application scenario of the present invention.

Fig. 6 is a circuit diagram of the first and second main control modules of the present invention.

Fig. 7 is a circuit diagram of the first and second RS485 bus modules of the present invention.

Fig. 8 is a circuit diagram of a first relay module according to the present invention.

Fig. 9 is a circuit diagram of the first input control module and the second input control module of the present invention.

Fig. 10 is a circuit diagram of the first and second power modules of the present invention.

Detailed Description

As shown in fig. 1, an intelligent dc full-electric-quantity first cabinet power supply monitoring system includes a host device, a plurality of slave devices and a human-computer interaction terminal, wherein one end of each slave device is connected with a server to receive electrical parameters of the server, and the other end of each slave device is connected with the host device to transmit the received electrical parameters of the server to the host device; one end of the host equipment is connected with the slave equipment and used for receiving the server parameter data transmitted by the slave equipment, and the other end of the host equipment is connected with the human-computer interaction terminal and used for transmitting the server parameter data to the human-computer interaction terminal interface in real time for display; the man-machine interaction terminal is connected with the host equipment, and transmits the operation instruction to the host equipment while displaying the electrical parameter data of the server. The utility model discloses synthesize collection server electrical parameter data, for terminal monitoring platform provides high accuracy measured data, through the human-computer interaction terminal, reflect electric energy quality data in real time to reach the management to entire system's real time monitoring and operation quality. The method helps users to optimize the network data center, enhances energy consumption management and improves the operation efficiency of the server rack.

As shown in fig. 2, the host device includes a first main control module, a first power module, a first relay module, a first RS485 bus module, and a first input control module; the first RS485 bus module and the first input control module are respectively connected with the first main control module; the first main control module is also connected with the first power supply module and the first relay module; the host device comprises two paths of direct current voltage input and two modes of current input (voltage mode input and current mode input); the RS485 is used for realizing communication with the human-computer interaction terminal and the slave equipment; the first input control module interface is used for reading, recording and monitoring input voltage and current data; the first relay output interface can be selected for automatic control or remote control, so that a user can conveniently and effectively set the running state of each server according to the requirement, and the first main control module is further connected with the first clock module, the first storage unit and the first JTAG interface.

As shown in fig. 3, the slave device includes a second master control module, a second power module, a second RS485 bus module, and a second input control module; the second power supply module and the second RS485 bus module are respectively connected with the second main control module; the second input control module can monitor electrical parameters such as maximum 36 loop voltage, current, power, electric energy and the like; the second input control module comprises a voltage input control module and a current input control module, the voltage input control module and the current input control module are respectively connected with the second main control module, the current input control module can measure the current demand, the voltage input control module measures the current voltage demand, and the current active power demand is calculated at the same time; the second main control module is also connected with the second clock module, the second storage unit and the second JTAG interface.

As shown in fig. 4, in the functional schematic diagram of the human-computer interaction system of the embodiment, the human-computer interaction system can complete the functions of reading electrical parameters, manually controlling a server, modifying server parameters, and the like through user control; the system can automatically complete the functions of real-time alarm, automatic control of the state of the server and the like. And finally realizing the requirements of the user through layer-by-layer access of the human-computer interaction system.

As shown in fig. 5, in a schematic view of an actual application scenario of this embodiment, a use scenario of this embodiment in the actual application scenario is shown, and the system of this embodiment is installed in a column head cabinet and records electric energy information, an operating state, and switching-on/off information of servers in a server cluster.

The host and the slave cooperate with each other, and the slave finishes the collection of electrical parameters of all the access servers; the host is used for realizing the integration of data of a plurality of slave machines, judging the running state of each server corresponding to the data slave machines and simultaneously sending the data of all the slave machines upwards to the man-machine interaction system and the monitoring platform for data display; on one hand, the man-machine interaction system finishes reading the electrical parameters and the alarm information of each server sent by the host; on the other hand, the control function of the point and the point of each server connected to the slave can be realized automatically or manually through the control master.

The man-machine interaction terminal receives real-time alarm information sent by the host and responds, and meanwhile, various electrical parameters including the running state of the server and voltage, current, useful power and electric energy loss can be read from the host according to needs and displayed on an interface. The user can independently display the running state of a certain server or certain servers on the interface according to the actual requirement setting.

The man-machine interaction system is a touch operation interface, and a user can set the name, the number, the alarm threshold, the alarm priority, the monitoring mode and other information of each server in a humanized manner according to different functions and importance degrees of each server; in addition, when certain high-risk alarm set by a user occurs to a certain server, the system can automatically send an instruction to the host computer to cut off the power supply of the server; the staff can also realize the point-to-point control of the switching-on and switching-off states of each server in the server cluster in a manual control mode.

The monitoring platform can be accessed from the handheld mobile terminal and the computer and receives the electrical parameters and the alarm information sent by the host; and the handheld mobile terminal or the computer issues an instruction to realize the control function of the server.

As shown in fig. 6, the central processing units of the first main control module and the second main control module both adopt ST company STM32F103C8T6 type single chip microcomputers, and the

pins

3, 4, 5 and 6 are connected with the clock module; the pin 23, the pin 35 and the pin 47 are connected with the storage module;

pins

34 and 37 connect to the JTAG interface. The clock module adopts 8MHz and 32.768KHz crystal oscillators to ensure stable and accurate single-frequency oscillation and provide a basic clock signal for the system; in the circuit, 0603 type patch capacitors are adopted for storing electric field energy by C8, C9, C6 and C7, so that the stability of the circuit is ensured; the memory cell adopts M24256-BW chip to store the information of electric quantity, R13, R14 in the circuit adopt 0603 type resistance to convert 3.3V voltage to supply power for the chip. The clock module is used for providing a clock signal and real-time for the central processing unit; the storage unit is used for storing data, preset calculation rules and operation schemes; the JTAG interface is used for chip internal testing. The clock module is provided with a timing unit (RTC) which can receive the clock synchronization of the base station, and the time synchronization error does not exceed 5 s; the storage unit records the name, the number, the alarm threshold, the alarm priority and the monitoring mode of each server, and a component list in a circuit of the master control module and the slave control module is shown in a table 1.

TABLE 1 list of components in circuits of master control module of master and slave computers

As shown in fig. 7, the first RS485 bus module and the second RS485 bus module both include RS485 bus interfaces. The RS485 bus interface of the master and slave machines realizes data interaction between the master machine and the slave machine, between the master machine and the monitoring platform, between the master machine and the human-computer interaction terminal system and between the slave machine and the slave machine. The data interaction among all the assemblies adopts an RTU ModBus serial port communication protocol, is carried out through a serial port EIA-485 physical layer, the subsequent commands and data in an RTU format have cyclic redundancy check and ensure the accuracy of data transmission, and a component list in a circuit of a master-slave RS485 bus module is shown in a table 2.

Table 2 list of components in circuit of master-slave RS485 bus module

As shown in fig. 8, the first relay module performs power switch control on the control circuit through the power relay and the rectifier diode, and the list of components in the circuit of the host relay module is shown in table 3.

Table 3 components list in circuit of main machine relay module

As shown in fig. 9, the master-slave input control module mainly comprises a proportional operation module, the proportional operation module includes a plurality of high-precision components, the module uses a high-precision optocoupler, a high-speed diode and a high-precision resistor, and the module can accurately have parameters such as high-precision current and voltage by matching with an analog-to-digital conversion function of the central processing unit. The input control module mainly detects input overvoltage, overload (upper limit ), undervoltage, underload (lower limit ), switch tripping alarm and the like of the main incoming line loop; two-stage overload alarm (upper limit and upper limit), two-stage low-load alarm (lower limit and lower limit) and switch disconnection alarm of each branch loop. The list of components in the circuit of the master-slave input control module is shown in table 4.

Table 4 list of components in circuit of master-slave input control module

As shown in fig. 10, the first power module and the second power module each include a transformer, a rectifier circuit, a voltage regulator circuit, and a filter circuit connected in sequence, and the dc working voltage is-48V to provide a working power supply for the master and the slave. The list of components in the circuit of the master-slave power module is shown in table 5.

TABLE 5 component List in circuits of Master and Slave Power modules

To sum up, the utility model discloses can monitor the running state of every server in the server cluster effectively, can be directly perceived, accurate, effectively as required take notes many-sided data such as real-time running state, voltage current change, energy consumption of every server, can realize accomplishing point-to-point effective control to the on-off state of each server in the server cluster simultaneously. The control system has simple structure, convenient use and low cost; without cumbersome setup requirements and without high maintenance techniques. The intelligent system can work well only by installing hardware products in the cabinet and then installing corresponding software parts on the monitoring server. The method has important practical application value for ensuring stable and efficient operation of the server and saving the maintenance cost of the server.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. An intelligent direct-current full-electric-quantity line head cabinet power supply monitoring system comprises a host device, a plurality of slave devices and a man-machine interaction terminal, and is characterized in that one end of each slave device is connected with a server to receive electrical parameters of the server, and the other end of each slave device is connected with the host device to transmit the received electrical parameters of the server to the host device; one end of the host equipment is connected with the slave equipment and used for receiving the server parameter data transmitted by the slave equipment, and the other end of the host equipment is connected with the human-computer interaction terminal and used for transmitting the server parameter data to the human-computer interaction terminal interface in real time for display; the man-machine interaction terminal is connected with the host equipment, and transmits an operation instruction to the host equipment while displaying the electrical parameter data of the server; the host device comprises a first main control module, a first power supply module, a first relay module, a first RS485 bus module and a first input control module; the first RS485 bus module and the first input control module are respectively connected with the first main control module; the first main control module is also connected with the first power supply module and the first relay module; the slave device comprises a second main control module, a second power supply module, a second RS485 bus module and a second input control module; the second power supply module and the second RS485 bus module are respectively connected with the second main control module; the central processing units of the first main control module and the second main control module adopt STM32F103C8T6 type singlechips, and pins 3, 4, 5 and 6 of the first main control module and the second main control module are connected with a clock module; the clock module adopts 8MHz and 32.768KHz crystal oscillators, and 0603 type patch capacitors are adopted for C8, C9, C6 and C7 in the circuit.

2. The system according to claim 1, wherein the second input control module comprises a voltage input control module and a current input control module, and the voltage input control module and the current input control module are respectively connected to the second main control module.

3. The system according to claim 1, wherein the first master control module is further connected to a first clock module, a first storage unit, and a first JTAG interface.

4. The system according to claim 1, wherein the second master control module is further connected to a second clock module, a second storage unit, and a second JTAG interface.

5. The system for monitoring the power supply of the intelligent direct-current full-electric-quantity column head cabinet according to claim 1, wherein the first RS485 bus module is respectively connected with a monitoring terminal, a human-computer interaction terminal and a slave device through RS485 bus interfaces.

6. The system according to claim 1, wherein the first power module comprises a transformer, a rectifier circuit, a voltage regulator circuit, and a filter circuit connected in sequence.

7. The system according to claim 1, wherein the second power module comprises a transformer, a rectifier circuit, a voltage regulator circuit, and a filter circuit connected in sequence.