We are in contact with the computer room is generally monitoring room, monitoring room construction content is relatively simple. However, the construction of a project of the data room is often very high-end, data room on the entire application environment requirements are particularly high, so the need to monitor some of the data in the room, in order to better manage the equipment in the room. What are the main contents of the server room environment monitoring?
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For the server room, considering the safety of equipment operation and scientific management, it is necessary to realize the centralized management of decentralized equipment operation in the server room through modern IT technology. Centralized monitoring or control of UPS, precision air conditioning, power distribution cabinets, temperature and humidity points, water leakage detection, hydrogen detection points, fire protection, access control, video security monitoring and other systems in the server room, and configure an industrial computer in the server room as a site management server to collect and process the monitoring data of the server room.
I. Description of System Monitoring Objects
This computer room monitoring system mainly includes the control of the following systems:
1) computer room power supply monitoring
2) computer room environment monitoring
3) computer room security monitoring
Controlled equipment and systems are as follows:
a) Computer room connected to the utility power supply and UPS distribution cabinets.
UPS .
c) Precision air conditioning.
d)Fire protection system.
e)Access control system.
f)Video security system.
Two, the system architecture
The system adopts the principle of distributed control in industrial control, decentralized control, centralized management design ideas. It establishes a three-level centralized monitoring architecture for the machine room, i.e., the system consists of the following three parts: on-site equipment acquisition layer, on-site management server and remote WEB browsing station.
The topology of the server room monitoring solution is as follows:
Three system control functions
The on-site management server and centralized monitoring and management software are set up in the main server room to monitor and control all the power environment and security systems in the server room. The main monitoring contents include: power monitoring of the server room, environment monitoring of the server room and security monitoring of the server room.
Monitoring objects and contents:
1)Server room power monitoring:
Distribution switch monitoring: monitoring important switches;
Distribution parameter monitoring: monitoring of commercial power supply parameters;
UPS monitoring: monitoring of UPS;
2)Server room environment monitoring
Leakage detection: 1 set of leakage system detection whether there is water leakage in the server room;
Temperature and humidity monitoring: monitor the temperature and humidity in the server room;
Fire protection: monitor the fire protection signals in the server room;
Hydrogen monitoring: monitor the concentration of hydrogen in the battery room;
3) Server room security monitoring:
Access control: monitor the entry and exit of all personnel at the entrance to the access control door;
Video monitoring: integrate server room video images and realize the linkage of video and other subsystems;
The detailed functions of each monitoring subsystem are as follows:
IV. Distribution monitoring
1) Monitoring content:
For important power distribution switches in the server room, monitor whether the switch is tripped or unable to supply power, and real-time monitoring of the distribution switch on the utility input cabinet Dj. Installation of power meters to monitor the voltage, current, frequency, power and other parameters of the power input line.
2)Working Mode:
Special signal processing module is used for complete optoelectronic isolation, which converts the incoming strong electrical signal processing into a low-level signal, and then inputs the intelligent switching acquisition module to convert it into a data message, which is sent to the on-site management server to monitor the switch status.
The voltage, current, frequency and other parameters of the distribution cabinet are mainly monitored by the three-phase power detector, and the RS485 signal of the power meter is transmitted to the multi-device driver board, which is connected to the centralized management server to realize real-time voltage and current monitoring.
3)Function realization:
Important switch detection function: It can real-time display the status of important power distribution switches in the server room
Real-time monitoring of the operation status and parameters of the UPS rectifier, inverter, batteries, bypass and loads is achieved through the intelligent communication interfaces and communication protocols provided by the UPS manufacturer. Monitoring parameters include:
Analog: input phase voltage, output phase voltage, bypass phase voltage, input phase current, output phase current, bypass phase current, battery voltage, battery current, system frequency, system load, battery standby time.
Quantity: output voltage out of range, battery operating mode, bypass operating mode, high battery voltage, low battery voltage, system alarm, system pause, low battery voltage alarm, bypass voltage overrun, main voltage overrun.
Detailed information on all analog and digital quantities depends on the UPS communication protocol provided by the UPS manufacturer.
Monitoring in intransitive verb precision air conditioning
1) Monitoring content:
Real-time monitoring of the operating status and parameters of the two precision air conditioners. On the basis of the remote monitoring communication interface and complete and accurate communication protocol provided by the air-conditioning manufacturer, it realizes the monitoring of precision air-conditioning in the machine room, including the operating status of each component, parameter values, faults and abnormal alarms.)
2) Working Mode:
Through the air conditioner wiring, the embedded workstation converts the air conditioner signal into TCP/IP signal, and then connects to the on-site management server through the network to realize the real-time monitoring of the air conditioner.
3) The realization of the function:
Through the intelligent communication interface of the air conditioner, the system can comprehensively monitor the operation status of each component of the air conditioner in real time.
Seven, leakage monitoring
1)Monitoring content:
A set of node leakage monitoring system is used to monitor the leakage area under the precision air conditioning.
2)Working mode:
Laying a water leakage sensor rope, once the water leakage touches the water leakage sensor rope, the water leakage controller will generate a water leakage signal and transmit the signal in the form of RS485 to the multi-device driver board to connect with the on-site management server to realize the real-time monitoring of the leakage status, which can ensure that the system alarms the system at the first time in order to enable the maintenance personnel of the machine room to find out the leakage in a timely manner
3)Function realization:
Laying water leakage sensing rope along the place where water leakage may occur, and using water leakage controller to realize the water leakage monitoring system of the computer room.
VIII. Temperature and humidity monitoring
1)Monitoring content:
Installation of temperature and humidity sensors in the server room to monitor the regional temperature and humidity.
2)Working Mode:
The temperature and humidity probe transmits the collected temperature and humidity values in the form of RS485 to the on-site management server to realize real-time temperature and humidity monitoring.
3)Function realization:
In this system, the temperature and humidity all-in-one sensor will transmit the detected temperature and humidity values to the on-site management server in real time, and display and record the data in real time in the form of an electronic map, so that it is convenient for the user to intuitively view the temperature and humidity parameters in the server room.
Nine, hydrogen monitoring
1) Monitoring content:
Real-time monitoring of air quality in the distribution room. Once the hydrogen content in the air is too high, the system will issue an alarm to alert the administrator that there may be a gas leak.
2)Working Mode:
The concentration value detected by the hydrogen detector is transmitted to the analog acquisition module, converted into a digital signal and sent to the on-site management server for processing. Through the intelligent communication interface and communication protocol, the on-site management server is unified and real-time supervision.
3)Realization of functions:
According to the actual situation of the machine room, the user can conveniently set the normal value and reduce the al
The switch acquisition module is used to send the change signals of the dry contacts of the fire detectors to the on-site management server, and real-time monitoring of fire alarms at each monitoring point.
3)Function realization:
Once the monitoring system detects a fire alarm, the monitoring interface will automatically switch to the fire monitoring screen, and at the same time, the alarm area will be displayed on the page. The system will prompt the alarm information, send out voice, SMS and other alarm methods to notify the relevant personnel to eliminate the alarm in time.
XI. access control monitoring
1) Monitoring content:
Manage the entrance and exit of the machine room area, using one-way/two-way card/fingerprint access control; support centralized card issuance mode; when you swipe the card, the monitoring system can call the camera to open the image when you swipe the card.
2)Working Mode:
The access control interface is integrated into the monitoring platform to realize real-time access control.
3)Realization of functions:
Monitoring alarms
Monitoring the operation status and fault status of various devices in the real-time access control system;
Automatic logging of personnel entry and exit including: name of the personnel, name of the entry and exit area, entry and exit time, and so on.
Log management
The system automatically records the operation logs, system logs, alarm logs, access logs of the access control system, and can query the logs in real time.
Intrusion Detection Alarm
When an illegal intrusion occurs, triggering the door status sensor, the controller will send an alarm message to the on-site monitoring server, automatically popping up the relevant alarm page, intuitively prompting the intrusion location on the electronic map, and at the same time, alarming to the outside world;
Electronic Map
Through the dynamic electronic map, not only the real-time display of equipment status, The dynamic electronic map can not only display the real-time status of equipment, door opening/closing status, and personnel entering and leaving the system, but also accurately locate and intuitively display the alarm situation.
Linkage control
It can be connected with other systems. For example, when a user swipes a card at the door of the machine room, the monitoring system will automatically link up with the video surveillance system to capture the video, which is convenient for the management personnel to verify the identity.
Remote control
Through the network, remote monitoring can be realized with WEB, and the monitored object can have the same functions as the on-site management server, such as opening and closing doors.
XII. Video monitoring
1)Monitoring content:
Real-time video monitoring of entrances and exits and personnel activities in various areas. Video monitoring is combined with the power environment monitoring system to realize the linkage function with the access control system and fire monitoring system.
2)Working Mode:
The DVR of the front-end camera is integrated into the monitoring platform through the OPC interface, which realizes the calling and linkage of all video images in the video server.
3)Function realization:
Video Viewing:
Select Monitor on the electronic map, click the corresponding camera button, the system will automatically call the video viewing control to display the scene video images.
Linkage Function: When the access control system sends out an alarm signal, the centralized management server will pop up the on-site image screen in time.
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