I. From traditional monitoring to digital network monitoring The development of network video surveillance in China has gone through three stages. The closed-circuit video surveillance system evolved from security products in the early days is China's first generation of analog video surveillance system. In the mid-1990s, the emergence of a PC-based video surveillance system, despite the initial digitalization, made this second generation due to technical inadequacy such as image quality, stability, and remote transmission monitoring. Video surveillance systems are still only used as security products for daily monitoring in certain industries. Until the end of the 1990s, with the maturity of computers, networks, and communication technologies, various practical video technologies continued to improve, relying on embedded technologies, using network and communication technologies as platforms, and featuring intelligent image analysis. The network video surveillance system fundamentally made video surveillance go from behind the scenes to the foreground.
Compared with traditional video surveillance, network video surveillance is more convenient for computers to automate the processing of video information compression, storage, analysis, display and alarms, thus achieving unattended operation; remote monitoring through network platforms, even thousands The effect of visiting the scene can also be achieved in an extra-kilometer; the advanced software system can not only complete a large amount of data analysis in traditional video surveillance in a few minutes, improve the monitoring efficiency, and obtain more realistic and clear digital image quality and More convenient and practical monitoring management and maintenance. In short, network video surveillance is a combination of high-tech integrated software such as computer, network, communication and video codec. Therefore, it puts forward higher requirements for the comprehensive technology and overall quality of products in research and development and promotion.
Second, the network that can be planned for digital network monitoring With the continuous development of technology, the network image application based on broadband technology has been gradually promoted and used in network video surveillance, making electronic monitoring not only limited to security, but has become a kind of More effective monitoring methods and management resources for all walks of life. The flexibility of its application areas and applications has also far exceeded the scope defined by traditional security monitoring.
The booming Internet applications, the gradual evolution of image compression coding and streaming media technology, and the significant increase in system processing capabilities have made digital information technology a leading technology tool to promote network image applications, reduce product costs, and increase flexibility. Sex, scalability and other aspects provide a strong technical drive. Benefiting from these technological breakthroughs, the application of the network image business has been greatly expanded, and it is gradually entering many emerging industry markets that have great demand for network image services. Applicable to image monitoring services in telecommunications, public safety, power, transportation, railway, finance, hydrology, large companies and many other industries.
The network video surveillance system can be planned based on the local area network and the wide area network. However, because the local area network is limited by distance, it is not suitable for users with remote monitoring requirements. For some industries, such as railways and military, users who have private networks can also be in their networks. Planning a video surveillance system, but its limitations are tightly monitored within its network. At present, major operators in China have begun to build network video surveillance platforms, such as Netcom's wide-vision project and Telecom's global eye project. The construction of this platform will enable industry users and public users to realize remote video surveillance.
Carbon Steel Pipe is made from ingot or solid round steel after perforation capillary, then through hot rolling or cold rolling .Carbon Steel Pipe has an important position in the steel industry in our country.
Carbon steel pipe used for conveying fluid pipe, such as oil, natural gas, water, gas, steam, etc.Steel pipe contains two types: seamless steel pipe and welded steel pipe .Steel pipe is one of our mainly produces ,made of carbon steel, stainless steel, alloy steel and other special metal materials as required by its customers,such asgalvanized steel pipe.
Type
Carbon Seamless Steel Pipe
Pipe Size
1/2'--48'(DN15-1200)
Wall Thickness
SCH10,SCH20,SCH30,STD,SCH40,SCH60,XS,SCH80,SCH100,SCH120,
SCH140,SCH160,XXS DIN, JIS standard thickness
Length
Fixed: 3.0 , 5.8 , 5.85 , 5.9 , 6.0 ,11.8 , 12.0m. Random length: 5-12m
Standard
ASTM A53,A106,API 5L,ASME B36.10M-1996
DIN1626,DIN1629,DIN17175,DIN 2448
JIS G3452,JIS G3454,JIS G3455,JIS G3456,JIS G3457,JIS G3461
Material
Q235, 20#, Q345
A53B, A106B, API 5L B,X42,X46,X52,X60, X65
ST37.0,ST35.8,St37.2,St35.4/8,St42,St45,St52,St52.4
STP G38,STP G42,STPT42,STB42,STS42,STPT49,STS49
Application
Low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling,
chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure,
petrochemical, pharmaceutical industry
Surface
Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,etc.
Package
Plastic caps on both ends, Steel bundle, Woven bag or acc. to customers' request
Certificate
ISO9001:2008, SGS,BV, etc
Capacity
80000tons/year
Carbon Steel Seamless Steel Pipe
Carbon Steel Pipe,Welded Carbon Pipe,Small Carbon Steel Pipe,Seamless Carbon Steel Pipe
Shijiazhuang Huize Pipe Fitting Co., Ltd. , https://www.huizegd.com