At 7:40 in the morning on December 31, 2012, part of the chemical raw material aniline leaked from a chemical plant in Changzhi, Shanxi (about 8.7 tons) flowed into the Zhang River, which affected the downstream of Handan City in Hebei Province and Anyang City in Henan Province. The safety of drinking water for humans and animals and the safety of irrigation, after the aniline leakage pollution incident, news came out: In 2008, the country's first "monitoring-in-one" provincial-level automatic monitoring center for pollution sources was built and put into use in Shanxi, with a total investment of 850 million yuan. Multiple.
Although the company that caused the accident, Tianji Chemical, has installed an “online real-time monitoring system†that goes directly to the Shanxi Provincial Department of Environmental Protection, it is worth reminding that this provincial-level automatic monitoring center for pollution sources can also achieve online monitoring by some conventional indicators, such as COD, ammonia nitrogen, Total phosphorus, total nitrogen, VOC and the like. The aniline indicator rarely appears in online monitoring indicators. Even there is almost no online monitoring device for online monitoring of aniline, so it is justifiable that the company that caused the accident failed to detect the aniline leak in time. If a video monitoring system is installed at the sewage outlet of a chemical plant to remotely monitor the dynamics of the sewage outlet to make up for the vacancy of regular fixed-point inspections by personnel, perhaps such a serious accident will not occur and a lot of trouble will also be saved.
Video surveillance industry application brings security visual management
From finance, transportation, campus, medical care, and even a safe city, from government projects to civil security, from railway transportation to medical and health, security is constantly paying attention to people's clothing, food and housing.
With the improvement of the information communication network in the power sector and the development of remote image monitoring technology, it has become possible to build a truly unattended substation (station). By setting up monitoring points in each substation (station) and setting up a monitoring center in the dispatch center, the mobilizer can timely grasp the information of each substation (station) image, data, parameters and other information, and timely and directly grasp the status of each station to quickly handle various problems. The application of this remote image monitoring technology in the substation is called "remote viewing", which truly realizes the visual management of video monitoring.
The online safety management of the transmission line is similar to the situation of the above substation. The network video monitoring system is deployed to realize the entire monitoring of the transmission line, including the building tree environment around the high-voltage power tower, natural disasters from mountain fire and lightning, wire icing, wire foreign object suspension, Image information such as line danger points can be uploaded to the dispatch center in real time to achieve centralized safety monitoring and management.
The infrared thermal imaging monitoring and alarm system for border intrusion prevention is commonly known as "electronic sentinel". It is based on a hardware system such as an uncooled infrared thermal imager or a visible light camera, and uses infrared / visible light composite imaging, video image processing, and automatic behavior analysis and alarm related software The combined monitoring method can effectively detect the target in the environment without any light or in the severe weather with heavy fog. In particular, infrared also has the ability to measure temperature, which can be fully qualified at night or in severe weather conditions (such as heavy rain, heavy fog, etc.) to achieve electronic guarding and remote monitoring.
In order to further strengthen production scheduling management, information resource sharing, quickly understand the production and operation of each drilling platform, and find problems in time in order to formulate corresponding measures, the oil industry needs to improve the production management network, video surveillance network and production management system to build a remote integrated The realization of visual management of the dispatching platform has become a necessary condition for oil and gas companies.
The application fields of the security industry are constantly expanding and developing rapidly in an unprecedented situation. The application of environmental restrictions such as petroleum, museums, and chemical plants has led to industries that cannot perform on-site surveys and analysis of personnel, but these have exceeded the security monitoring system and belong to security visual management.
Cognitive visual management
Visual management belongs to the integration of security systems, such as the visual command and dispatch system. The visual command and dispatch system can realize on-site visual emergency management through mobile video scheduling access, combined with intelligent analysis technology, thereby improving on-site processing efficiency, enhancing on-site emergency response capabilities, and minimizing on-site disaster losses.
"In the industrialization of security, finance is the earliest, but in recent years, the demand for safe cities is the largest. At first, everyone looked at security monitoring, bank tellers wanted to monitor, and buildings needed to be monitored. The demand at the time was very simple monitoring demand. Now Let ’s look further from the perspective of industry segmentation. The video is just the entire business system subsystem. So we will mention the concept of visual management. â€Cai Changyang, Assistant President of Hangzhou Hikvision Digital Technology Co., Ltd., analyzed security for the author. Visual management. Chen Yanfeng, director of Beijing Blue Star Software Technology Development Co., Ltd. also pointed out that "visual management is more focused on the integration of security systems, such as alarm systems, various sensors, and traditional systems including access control systems. One of the most attractive places. For example, you want to know what the alarm scene is. The integration of the provided industry system is one aspect, and at the same time, from a higher dimension is whether this system can be integrated for others, and can it be integrated by higher-level systems. Security is linked to other industries. "
With the in-depth development of security industry, visual management has played a huge role in all walks of life. But the development of its things is not smooth, and the visual management system will also encounter some problems in the application process:
1. The main function of visual management is to realize remote monitoring to ensure the smooth progress of the monitoring site. This has more professional and strict requirements on the clarity of the monitoring system. Now that HD has been widely used, but the entire monitoring system uses HD products in succession Higher costs are incurred, and this cost increases linearly.
2. The use of visual management system can improve industrial automation, reduce the burden of personnel and prevent accidents. The intelligent analysis system can sense accidents and take corresponding measures, but the current intelligent analysis technology is limited and cannot reach this point.
3. A large amount of video transmission is required for remote monitoring to replace on-site behavior, but the communication operator's operating cost is relatively high and it is difficult to drop. If high-definition video is transmitted, it will cost a lot of money.
Security is only a very small field of surveillance, but the market for surveillance is infinite, from school to kindergarten to mines, to the construction of safe cities, and even national security, video surveillance plays a huge role.
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