Talk about the classification and operation and maintenance management of urban comprehensive pipe corridors

Ren Yunye Ankerui Electric Co.
, Ltd.
Shanghai Jiading 20220620 1, the preface comprehensive pipe gallery (called "common ditch" in Japan, "common pipeline" in Taiwan), is the underground urban pipeline comprehensive corridor, that is, the construction of a tunnel space under the city, the electricity, communications, gas, heating, water supply and drainage and other engineering pipelines in one, with a special maintenance port, hoisting port and monitoring system, the implementation of unified planning, unified design, unified construction and management, to promote the construction of urban underground comprehensive pipe corridor, It is an important measure for innovative urban infrastructure construction, which can not only gradually eliminate problems such as "road zippers" and "spider webs in the air", make good use of underground space resources, improve the comprehensive bearing capacity of cities, and meet the needs of people's livelihood, but also drive effective investment, increase the supply of public goods, improve the quality of urban development, and add new impetus
to economic development 。 Keywords: integrated pipe gallery power monitoring fire emergency lighting and evacuation indication system energy efficiency management two, comprehensive pipe gallery type introduction (1), according to the pipeline it accommodates: 1.
trunk line comprehensive pipe corridor: generally set in the middle of the road or outside the road red line comprehensive pipe corridor, the main transport station (such as waterworks, power plants, gas manufacturing plants, etc.
) to the branch line comprehensive pipe corridor, which generally does not directly serve the areas along the line
.
Its main pipelines are electricity, communications, water, gas, heat and other pipelines, and sometimes drainage pipelines are also contained as needed
.
In the trunk line comprehensive pipe corridor, electricity is transported from the ultra-high voltage substation to the primary and secondary substations, the communication is mainly the signal transmission between the transfer bureau, and the gas is mainly the transmission
between the gas plant and the high pressure regulation station.
The section of the trunk comprehensive pipe corridor is usually circular or multi-grid box-shaped, and the comprehensive pipe corridor generally requires the setting of working channels and lighting, ventilation and other equipment
.
The characteristics of the trunk line integrated pipe gallery are: stable and large flow of transportation, high degree of safety, compact internal structure, taking into account the direct supply to stable use of large users, generally need special equipment, management and operation is relatively simple
.
2.
Branch type integrated pipe gallery: mainly responsible for the distribution and transportation of various supplies from the trunk comprehensive pipe gallery to each direct user
.
It is generally located on both sides of the road to accommodate various pipelines directly served
.
The cross-section of the branch comprehensive pipe gallery is more common in rectangular section, one is a single-grid or double-grid box-type structure
.
Internal requirements for the installation of working channels and lighting and ventilation equipment
.
The main features are: the effective (internal space) section is small, the structure is simple and easy to construct, the equipment is mostly commonly used stereotyped equipment, and generally does not directly serve large users
.
3.
Cable type comprehensive pipe gallery: mainly responsible for the urban overhead electricity, communications, cable TV, road lighting and other cables to the buried pipeline
.
It is generally set under the sidewalk of the road, and its burial depth is shallow, generally about
1.
5 meters.
Rectangular cross-sections are more common, generally do not require the setting of working channels and lighting, ventilation and other equipment, only add working hand holes for maintenance
.
4.
Trunk branch line hybrid comprehensive pipe gallery: Trunk branch line hybrid comprehensive pipe gallery has trade-offs on the basis of the advantages and disadvantages of the trunk comprehensive pipe gallery and the branch line comprehensive pipe corridor, and is generally suitable for urban roads with wider roads
。 (2) Divided by cross-sectional form: 1.
Rectangular comprehensive pipe gallery: 2.
semi-circular comprehensive pipe gallery 3.
Circular comprehensive pipe gallery 4.
Arched comprehensive pipe gallery 3, AcrelEMS-UT comprehensive pipe gallery energy efficiency management platform Underground Pipe Gallery; utility tunnel) is generally built in the urban underground to accommodate two or more types of urban engineering pipelines and auxiliary facilities, the electricity, water, heat, gas, telecommunications, network and other municipal public pipelines according to the planning requirements of the centralized laying in the same structure, the implementation of unified design, construction, management of municipal public tunnel space, and also with drainage, ventilation, lighting, communication and monitoring and other functions
.
The main role is to avoid repeated excavation of urban roads, reduce urban pollution, provide various energy and communications for urban operation, and ensure the efficiency
of urban operation.
Whether the pipeline is faulty or its own auxiliary equipment fails, it may cause the paralysis of some functions, so when building a comprehensive pipe corridor, it is necessary to set up various on-site sensors to monitor and control the operation of the facilities inside the
pipe corridor.
Usually including: pipe gallery attached ground and internal power supply system, lighting system, fire protection system, drainage and smoke exhaust system, ambient temperature, humidity, combustible gas detection, access control, intrusion detection, video, patrol, etc
.
AcrelEMS-UT integrated pipe corridor energy efficiency management system integrates power monitoring, energy management, electrical safety, lighting control and environmental monitoring, providing data support
for the establishment of a reliable, safe and efficient integrated pipe corridor management system 。 AcrelEMS-UT integrated pipe corridor energy efficiency management platform (1) power monitoring / energy management system plate integrated pipe corridor power monitoring system plate is mainly for 10/0.
4kV ground or underground substation, the substation high-voltage circuit configuration microcomputer protection device and multi-function instrument protection and monitoring, 0.
4kV outlet configuration of multi-functional metering instruments, for measuring and controlling the electrical parameters and energy consumption of the outlet loop, real-time monitoring of high and low voltage power supply and distribution system switchgear, transformer microcomputer protection measurement and control device, Generator control cabinet, ATS/STS, UPS, including remote control, remote communication, telemetry, remote regulation, accident alarm and recording, etc.
, the power monitoring system can intuitively display a system diagram, and real-time display of each circuit of each voltage level of remote measurement, remote signal and alarm signal, remote measurement includes voltage, current, power, power, power and other electrical parameters, high and low voltage cabinet electrical node temperature value
。 Integrated pipe corridor energy power monitoring system substation operation monitoring remote signal includes the splitting and closing state of the road breaker, handcart, isolation switch, load switch and ground knife switch in the medium-voltage switch cabinet, the link status of the arc light probe in the cabinet, the spring energy storage state of the circuit breaker and the remote local control state; Alarm signals include alarm signals of microcomputer protection devices, protection trip signals and device abnormal signals \ line arc protection action signals, node temperature alarms and equipment communication abnormal alarms, abnormal signals can be alarmed
by sound and light 。 Event sequence record fault recording analysis wireless temperature measurement (II) 3.
2 Electrical safety system plate AcrelEMS-UT energy efficiency management system for the electrical safety hazards of the distribution system configuration of the corresponding electrical fire sensor, temperature sensor, fire equipment power supply sensor, fire door status sensor, access to fire evacuation lighting and indicator lamps and lanterns status real-time display, and the UPS battery temperature, internal resistance real-time monitoring, abnormal through sound and light, SMS, APP timely warning
。 1.
Electrical fire monitoring system plate Electrical fire detector is generally set on the 0.
4kV feeder side of the substation, collecting data leakage current and cable temperature and uploading it to the monitoring host to achieve electrical safety warning
.
Sensors set up in the field monitor the leakage current and cable temperature of the power distribution system loop, and issue an alarm signal
in real time if abnormal.
Electrical fire monitoring system as a fire automatic alarm system early warning subsystem, by the electrical fire monitoring host, electrical fire monitoring unit, residual current type electrical fire detector and temperature measurement type electrical fire detector composition, through the fieldbus to constitute a complete set of electrical fire prevention monitoring system, data can be integrated into the pipe gallery AcrelEMS-UT energy efficiency management system and provide early warning signals
。 2.
Fire equipment power monitoring system plate pipe gallery fire fighting equipment is more, fire equipment power monitoring system main function is used to monitor the working power supply of fire fighting equipment is normal, to ensure that in the event of fire fire equipment can be put into normal use
.
Fire equipment power monitoring and monitoring system adopts fire fighting two bus, to set the machine room partition area extension to collect the power supply status of fire fighting equipment, the regional extension receives the voltage, current information and switch status information of multiple sensors through the second bus, so as to achieve real-time monitoring
of the power supply status of fire fighting equipment 。 3.
Fire door monitoring system plate The fire door monitoring system is mainly through the fire door monitoring module and its accessories to detect the status of the on-site open and normally closed fire door; When a fire occurs, control the normally open fire door at the scene to close, and feedback the closed state of the fire door at the scene through the door magnetic switch, effectively inhibit the spread of fire to prevent the spread of flue gas, ensure the safe evacuation of personnel and reduce fire losses
.
4.
Fire emergency lighting and evacuation indication system plate According to the fire control requirements, it is also necessary to set up a fire emergency lighting and evacuation indication system for the evacuation indication of personnel in the fire state, once a fire occurs, through the fire emergency lighting and evacuation indicator lamps to guide the rapid evacuation
.
The fire emergency lighting and evacuation indication system is composed of a host, a centralized power supply, an indicator light and a lighting fixture, which can quickly start the evacuation plan to guide the evacuation according to the pre-set emergency plan
.
Depending on the environmental requirements of the pipe gallery, high protection classes or explosion-proof lighting and indicator luminaires can be selected
.
(3) Intelligent lighting system plate 1.
The fire protection partition is controlled separately, and the intelligent control panel is set up in the partition; The switch drive is connected to the fire alarm system, receives fire alarm information, and forces the drive loop
to open.
2.
Install intelligent lighting sensors above the gallery, so that personnel enter the pipe gallery to automatically open the lamps, stay in the pipe gallery to keep the lamps and lanterns on constantly, and turn off
after leaving.
3.
In addition to the on-site control mode, it can also be used to achieve centralized control on the computer side, real-time remote monitoring of the lighting situation in the current area, and remote control of the lighting
of the area if necessary.
4.
Consider that the field module is widely distributed and the distance is too long, in addition to the on-site control mode, it can also be realized by the computer sideCentralized control, real-time remote monitoring of the lighting situation of the current area, if necessary, remote control of the lighting
of the area.
5.
The system supports single control, area control, automatic control, induction control, timing control, scene control, dimming control and other control methods, supports delay control, and avoids the impact of the lamp load on the distribution system at the
same time.
The module does not depend on the system, can work independently, each module comes with its own time module, according to the latitude and longitude of the automatic recognition of sunrise and sunset time to achieve automatic control function
.
(4) Substation environmental monitoring system plate The environmental monitoring of the substation includes temperature and humidity, smoke sensitivity, water immersion, combustible gas concentration, access control, video, air conditioning, fire data collection, display and early warning, and can also be connected to the third-party system integrated with the pump and ventilation exhaust fan in the pipe gallery cabin to complete the comprehensive monitoring
of the pipe gallery environment.
1.
Temperature and humidity monitoring The area of the distribution room of the pipe gallery has relatively high requirements for ambient temperature and humidity, detects the temperature and humidity distribution of important areas, and connects to the gateway communication interface upload platform through the temperature and humidity sensor to complete the room temperature and humidity monitoring function
of the pipe corridor distribution.
2.
Flood monitoring Water immersion belongs to the switch alarm monitoring amount, which can be obtained
by the detection of the switching quantity.
The specific method is: through the leakage induction line is attached to the floor under the air conditioner, the sensor detects the alarm signal to switch the amount of acquisition device, and then configures the corresponding name and alarm threshold in the software, that is, it is simple and convenient to complete the anti-theft infrared, leakage and smoke detection monitoring
.
3.
Smoke alarm Smoke sense belongs to the switch alarm monitoring amount, can be collected with ARTU switch detection module, the smoke sensor is installed on the top of the ceiling, to avoid the air conditioner directly to the direction, through the smoke sensor can sense the smoke generated by the pipe gallery and early warning
.
4.
Gas alarm The integrated pipe gallery gas chamber connected to the substation may produce a certain combustible gas, such as natural gas, which is a kind of explosive gas, and the exhaust equipment must be started to remove
in time to reach a certain concentration.
When the gateway detects that the hydrogen concentration exceeds the set value, the exhaust fan can be automatically started at the same time as the early warning signal is issued to ensure that the hydrogen concentration is within
the safety level.
5.
Access control and infrared monitoring The system can collect the access control status and infrared alarm of the pipe gallery, and display the opening and closing status of the access control on the system plan and prevent someone from accidentally entering the unauthorized area
through color warning.
6.
Air quality monitoring The system can monitor the air quality and dust content
in the pipe gallery substation.
Fourth, the application of Ankerui integrated pipe corridor energy efficiency management platform Facing the future, according to user needs, the configuration of AcrelEMS-UT integrated pipe corridor energy efficiency management system will provide comprehensive monitoring and control for the pipe corridor, from the design of data collection, communication network, system architecture, linkage control and integrated data services, etc.
, to solve the fundamental problems of strong internal interference, multiple use and complex coordination of the comprehensive pipe corridor in the management process, greatly improving the reliability and manageability of system operation, improving the pipe corridor infrastructure, Efficiency
of use and recovery of environment and equipment.
In the future, Acquaray will build thousands of integrated pipe corridor energy efficiency management systems for more cities, and continue to provide data support
for the construction of smart pipe corridors and safety pipe corridors.
References:[1] Today's headlines: Urban underground comprehensive pipe corridor technology, a comprehensive understanding.
[2] Encyclopedia: Urban Underground Comprehensive Pipe Gallery.
[3] Acquaray Electric Co.
, Ltd.
[4] Ankerui Enterprise Microgrid Design Application Handbook.
2020.
06 Edition.
[5] Acqua integrated pipe gallery energy efficiency management system solution.
2020.
06.
Acqua Electric Co.
, Ltd.
Ren Yunye, if there are technical problems, welcome to discuss
.