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According to the requirements of JIANBIAOHAN [2015] No. 274 issued by the Ministry of Housing and Urban-Rural Development of the People's Republic of China - Notice on printing and distributing the development and revision plan on engineering construction standards and codes in 2016, this standard is prepared by MCC Capital Engineering & Research Incorporation Limited jointly with organizations concerned.
During the process of developing this standard, the drafting group, through extensive investigation and careful summarization of engineering design & practical experience, reviewed and finalized this standard, on the basis of extensive consultation.
The main technical contents of this standard are: general provisions, terms and abbreviations, basic requirements, system design, equipment selection, equipment layout, transmission and cable/conduit laying, monitoring room, power supply, earthing and lightning protection.
Main technical contents revised in this standard are as follows: 1. Clause 3 “Basic requirements” is added. 2. Design requirements for some items (such as the video signal access way, degree of protection of the enclosure of camera equipment, switch selection and transmission performance of IP wired network) are added. 3. Based on GB 50115-2009 Code for design of industrial television system, the design requirements for the picture quality of digital video industrial television system, the selection of auxiliary lighting lamps under different environmental conditions, the function of monitoring room, the arrangement of power controller & regulated power supply are improved and supplemented.
Standard for design of industrial television system
1 General provisions
1.0.1 This standard is formulated with a view to standardizing the design of industrial television system, ensuring the engineering design quality, improving the application level of industrial television system in production and management, timely monitoring the production conditions by using picture resources, timely finding and eliminating the hidden dangers of production accidents, ensuring the safety of personnel and facilities, and improving social and economic benefits.
1.0.2 This standard is applicable to the design of constructed, renovated and extended industrial television system.
1.0.3 The design of industrial television system shall ensure safety, reliability, advanced technology and economic rationality.
1.0.4 In addition to this standard, the design of industrial television system shall also meet those specified in the relevant national standards.
2 Terms and abbreviations
2.1 Terms
2.1.1
industrial television system
video monitoring system formed via wired or wireless transmission mode by using video technology and equipment during the production operation, production process and production management of industrial enterprises
2.1.2
original integrality
consistency degree between the scene and target characteristics expressed by the data obtained by video, audio equipment or system and the characteristics of the original scene
2.1.3
real time
continuity of picture recording or display (usually, the picture with frame rate not less than 25fps is regarded as a real time image); during video transmission, it refers to the simultaneity or timeliness of the terminal picture display and the situation at the scene, which is usually characterized by delay time
2.1.4
video signal
baseband signal of television system, generally referring to picture signal, picture signal with composite blanking pulse and combined video signal
2.1.5
analog video
video picture composed of continuous analog signals. Based on the current analog television mode, the baseband picture signal with the bandwidth of about 6MHz or higher is required
2.1.6
digital video
digital signal with strict time sequence obtained by processing the analog video signal by digital technology or directly converting from the optical picture via digital conversion, which is expressed as the data with specific data structure that can characterize the original picture information
2.1.7
digital video system
system for digital video transmission between video devices other than display devices
2.1.8
monitoring room
place where the industrial television system is monitored and managed, the operators are on duty, the system is managed and controlled, and the monitoring information is used and disposed
2.1.9
analog video system
system in which end-to-end analog video signals are transmitted between video devices other than the display device
2.1.10
lens
lens composed of a group of optical units or multiple groups of optical units, used as a device for the camera to image the photographed scene
2.1.11
pan/tilt
device that enables the camera to rotate or adjust the angle in one or both horizontal and vertical direction(s) in order to aim at the monitored target
2.1.12
housing
cover or device that protects the camera for normal operation under indoor, outdoor or special environmental conditions
2.1.13
video distributor
device that divides a video signal into multiple independent video signals with the same amplitude
2.1.14
video switcher
device that selects one channel from the multichannel input video signals to realize centralized monitoring or recording
2.1.15
picture quality
integrity and restoration effect of picture information. It is usually described according to pixel composition, resolution, signal to noise ratio, original integrality and other indicators
2.1.16
high definition video
video with system picture resolution greater than or equal to 1,280×720
2.1.17
cable
general name of optical cable and cable
2.1.18
definition
clearness of detail of a television picture perceptible to the human eye
2.1.19
television line (TVL)
number of black-and-white lines that can be distinguished at a distance equal to the grating height in the horizontal or vertical direction of the picture, which is the unit for testing the definition of the television system
2.1.20
signal to noise ratio
ratio of the nominal value of the luminance signal amplitude in the video signal to the effective value of the random clutter amplitude, in "dB"
2.1.21
frame rate
total number of complete images that can be continuously captured, transmitted, recorded or displayed from video picture in a unit of time
2.1.22
peak signal to noise ratio (PSNR)
important parameter for signal reconstruction quality evaluation in picture compression system, which is the ratio of signal peak power to noise power, in dB
2.1.23
impedance matching
impedance of the signal source is equal to the impedance of the connected load
2.1.24
environmental illumination
physical quantity reflecting the light and shade of the environment where the target is located, which is numerically equal to the luminous flux passing through the unit area vertically
2.1.25
infrared thermal imaging
different infrared picture generated by looking for absorption difference with blackbody or known background after the spectral characteristics of the signal obtained on site are analyzed by the detection device using infrared thermal imaging technology
2.1.26
wide dynamic
state of bright and dark areas presented by the camera when the same scene has high contrast brightness. Performance indicators such as resolvable gray scale, dynamic range, gray scale linearity, gray scale, number of resolvable color areas, trailing impedance, contrast ratio, block array definition and signal to noise ratio are usually used to evaluate the ability of wide dynamic
2.1.27
picture resolution
ability to represent picture details, referring to the number of displayed pixels per unit distance on the display screen. The flat display is represented by a grid of pixels (horizontal x vertical) that can be displayed on the entire screen
2.1.28
video display screen together (wall)
physically spliced by the display unit, which is the general name of the picture display area. Depending on the appropriate electrical connection (including signal transmission path), the display screen units are controlled by the control system to display the video picture alone or display a part of the picture, or form a complete picture by cooperating with other units in the system
2.1.29
base-band
frequency band occupied by the unmodulated original electrical signal sent by the signal source
2.1.30
cable equalizer
device for compensating the loss and high-frequency characteristic distortion of television signal transmitted by cable
2.1.31
common earth
earthing method of connecting the lightning protection system, metal components of building, low-voltage distribution protection wire (PE), equipotential bonding bar, equipment protection earthing, shield earthing, anti-static earthing, earthling device, etc. together
2.1.32
equipotential bonding
electrical connection in which the potential of the exposed conductive parts of equipment and devices is basically equal
2.1.33
lightning protection system
device that is intended to reduce material damage and personal casualties caused by lightning on or near buildings, which is composed of external lightning protection system and internal lightning protection system
2.1.34
surge protective device (SPD)
electrical appliance that is intended to limit transient over-voltages and discharged surge currents, containing at least one nonlinear component
2.2 Abbreviations
CCD (Charge Coupled Device)
CMOS (Complementary Metal Oxide Semiconductor)
CIF (Common Intermediate Format)
IP (Internet Protocol)
MPEG (Moving Picture Experts Group)
TCP (Transmission Control Protocol)
UPS (Uninterruptible Power System)
VBS (Video Burst Syne)
Vp-p (Volts, Peak-to-Peak)
3 Basic requirements
3.0.1 The design of industrial television system shall meet the following requirements:
1 It shall meet the requirements of production and management;
2 It shall meet the original integrality of the system video picture and the real time requirements of the system;
3 It shall meet the principles of practicability, reliability, advancement, economy, maintainability and expandability of the system.
3.0.2 The industrial television system shall be mounted in places such as the production site, production flow and production equipment sites of industrial enterprises.
3.0.3 The industrial television system shall be color television system. The industrial television system without color requirements may be black-and-white television system.
3.0.4 The television standard of industrial television system should be consistent with the general television standard.
3.0.5 The architecture of industrial television system should be designed according to three levels: field level, workshop (branch) level and company (general factory) level.
3.0.6 The industrial television system may be divided into important monitored targets and ordinary monitored targets according to the importance of monitored targets in the production process, production operation and production management.
3.0.7 The video signal of industrial television system may include analog video signal and digital video signal.
3.0.8 When network digital video system is adopted for the industrial television system, its network switching layer should be designed according to the three-layer network architecture of access layer, convergence layer and core layer.
3.0.9 The industrial television system equipment shall be industrial grade products that meet the relevant national standards and market access system.
4 System design
4.1 General requirements
4.1.1 The design of industrial television system shall be synchronized with the design of each stage of the engineering construction project.
4.1.2 The field level industrial television system shall be designed in the system composition, equipment selection, transmission and line laying, and monitoring room according to production process requirements.
4.1.3 The workshop (branch) level industrial television system shall be designed in the system architecture, equipment selection, transmission and line laying, and monitoring room according to the requirements of production management.
4.1.4 The company (general factory) level industrial television system shall be designed in the system network architecture, equipment selection, transmission and line laying, and monitoring room according to the requirements of production management and networking.
4.1.5 When the industrial television adopts digital video system, compatibility with analog video system shall be considered.
Foreword i
1 General provisions
2 Terms and abbreviations
2.1 Terms
2.2 Abbreviations
3 Basic requirements
4 System design
4.1 General requirements
4.2 System composition
4.3 Requirements and setting site
4.4 Type and access way
4.5 Picture quality
5 Equipment selection
5.1 General requirement
5.2 Camera, lens and pan/tilt
5.3 Camera protection
5.4 Auxiliary lighting
5.5 Control, storage and display equipment
5.6 Degree of protection
6 Equipment layout
6.1 General requirements
6.2 Camera
6.3 Control, storage and display equipment
7 Transmission and cable/conduit laying
7.1 General requirements
7.2 Transmission equipment
7.3 Transmission cable
7.4 Transmission performance
7.5 Line routing and cable/conduit laying
8 Monitoring room
8.1 General requirements
8.2 Location
8.3 Design requirements
8.4 Console and cabinet distribution
8.5 Equipment layout
8.6 Cable laying
9 Power supply
10 Earthing and lightning protection
Explanation of wording in this standard
List of quoted standards
