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1 System introduction
1.1 Necessity of the system
With the development and popularization of computer technology, the number of computer systems is increasing day by day, and its supporting environmental equipment is also increasing day by day. Computer rooms have become an important part of major units. The environmental equipment in the computer room has more and more stringent requirements for temperature, humidity, and safety. This is the basic environment to ensure the normal operation of the computer system. Once the equipment room environment fails, it will affect the operation of the computer system, posing a threat to the reliability of data transmission, storage and system operation. If the accident is serious and cannot be dealt with in time, it may damage the hardware equipment and cause serious consequences. For unit computer rooms like China Mobile that need to exchange data in real time, computer room management is even more important. Once the system fails, the economic loss caused is even more immeasurable. At present, many computer room management personnel have to use 24-hour dedicated staff to inspect the equipment room environment and equipment regularly. This not only increases the burden on the management personnel, but also more often fails to solve the fault in time, and there is no science on the time and responsibility of the accident. Management.
1.2 Design basis
Computer room centralized monitoring user requirements
Technical conditions of computer station site GB2887-89
1.3 Design principles
High starting point for system selection
Technical advancement: choose the most professional manufacturer’s products
High system reliability: the hardware and software of the system adopt mature technology products
Convenient system operation and management: cultural in the software system, easy to operate
Strong technical support ability: the contractor has strong technical strength and perfect service
The system can be expanded and the performance is strong: the modular structure is conducive to expansion and expansion
Low investment: system selection has high performance and price ratio
Short construction time: complete the installation and commissioning of the system in a relatively short time
1.4 Functional requirements
Computer room environment: temperature and humidity in the computer room
Image monitoring: Intermittent monitoring and transmission of images on the site of the computer room.
Centralized monitoring: Centralized monitoring of the above content through a computer.
2 Computer room monitoring system composition
1#-5# The temperature and humidity monitoring of the computer room and the video monitoring between the computer room and the server channel.
2.2 System composition
The system consists of digital temperature and humiditysensor, Industrial computer, monitor, large-screen LCD display, configuration network, protocol conversion module, serial capture card, monitor bracket, industrial electrical distribution box, video recording card, color dome camera, console, video distributor, video It consists of plugs, video cables, speakers, sound cards and shielded cables.
3 Design plan
Based on the principle of establishing a safe, practical, and advanced computer room monitoring network for users, in the following part we will discuss the design plan in combination with the actual situation of users.
3.1 Monitoring system structure
The system is divided into two layers: monitoring center and various on-site monitoring equipment.
monitoring Center:
The monitoring center is composed of industrial computers, monitors, consoles, large-screen LCD displays, serial capture cards, monitor brackets, protocol conversion modules, video recording cards, video plugs, video cables, speakers, and sound cards. The monitoring center will collect all real-time data, video streams and alarm content, and uniformly respond to all events.
The monitoring host and the intelligent device are connected through RS485/232 or network, and communicate with each other through the communication protocol in the master-slave mode to obtain the real-time data of each device, which is convenient for immediate response to the event.
Monitoring the scene:
Digital temperature and humidity sensor and color dome camera.
3.2 Monitoring objects and content
According to user requirements, the main monitoring content is as follows, and each monitoring subsystem will be introduced separately as follows:
3.2.1 Temperature and humidity monitoring system in the computer room
3.2.1.1 Overview: For a computer room with a large area, due to the influence of airflow and equipment distribution, the temperature and humidity values will have a big difference. The temperature and humidity sensor should be installed according to the actual area of the host room and the actual placement of the server. Detect the temperature and humidity in the computer room.
Application of temperature and humidity sensor
Through the linkage of the sensor and the industrial computer in the main monitoring room, the real-time display of the temperature and humidity of the computer room can be realized on the same screen. When the predetermined value is exceeded, the system will sound an alarm to remind the on-site management personnel; and it can be reserved in the software for future expansion needs The wireless modem communication interface is provided, and the wireless modem card slot is reserved on the hardware to facilitate the implementation of the SMS alarm function in the future.
3.2.1.2 Wiring diagram of a single temperature and humidity sensor
3.2.1.3 Topology diagram of temperature and humidity monitoring system
3.2.1.4 Configuration software function and interface introduction
Collect, display, and store temperature and humidity signals in each computer room through the computer;
*Each point of temperature or humidity exceeds the limit of the speaker alarm; (can be set including temperature upper limit, upper limit, temperature lower limit, lower limit; humidity upper limit, upper limit, humidity lower limit, humidity lower limit, etc.);
*It can display the historical curve data of temperature and humidity at each point;
* It can display the real-time record curve of temperature and humidity at each point;
*It can display the real-time sampling data of temperature and humidity at each point; (when the limit is exceeded, the sound box will alarm at the same time, and the corresponding data on the screen will change color and flash);
*It can display the temperature and humidity history curve data of each point; (You can set the temperature or humidity curve of the point that needs to be displayed in the coordinate system, and you can set the color, thickness, time axis length, start time, etc. of each curve);
*The temperature and humidity data configuration report for each point can be generated, and it can also be automatically transferred into a *.TXT file package and placed in the designated shared folder for other computers in the local area network to call.
software interface
3.2.2.5 System function
Collect, display, and store video signals in various computer rooms through the computer;
*Real-time monitoring, but if mixed code is used, the amount of data storage is reduced when no one enters the static state, thereby reducing the disk storage space;
* It can display the screen of each monitoring point at the same time;
*The picture of each monitoring point can be enlarged and displayed.
Summarize:
Hundreds of computers are running in the computer room of the data center of the China Mobile Communications Business Support System Department to provide various data services for customers and the group.
The temperature and humidity environment in the computer room must ensure the normal operation of the computer system. Once the equipment room environment fails, it will affect the operation of the computer system and pose a threat to the reliability of data transmission, storage and system operation.
In view of the on-site conditions of China Mobile’s computer room, Beijing Jiuchunjian Technology Development Co., Ltd. provides the above temperature and humidity environment monitoring solutions for China Mobile’s computer room, and conducts a series of monitoring of China Mobile’s computer room.
Monitoring object and content
The temperature and humidity of the computer room on each floor of the data center
Ensure that the temperature and humidity data are within the control range
Over-limit alarm, and take corresponding measures to adjust
Process picture:
PS. Beijing Jiuchunjian Technology Development Co., Ltd. is a domestic manufacturer of sensors, transmitters, data collectors, smart meters and other instruments. The company was established in May 2004 and has a history of 10 years in the automation industry. It is also a provider of integrated monitoring solutions and industrial automation system integration services.
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