CN110597148A - Subway station energy management and control system architecture - Google Patents
Subway station energy management and control system architecture Download PDFInfo
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- CN110597148A CN110597148A CN201910959005.XA CN201910959005A CN110597148A CN 110597148 A CN110597148 A CN 110597148A CN 201910959005 A CN201910959005 A CN 201910959005A CN 110597148 A CN110597148 A CN 110597148A
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- energy management
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/23—Pc programming
- G05B2219/23051—Remote control, enter program remote, detachable programmer
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a subway station energy management and control system architecture, which comprises: the system comprises an energy management center, a remote transmission network and a field subsystem; the field subsystem carries out information interaction with the energy management center through a remote transmission network; the field subsystems comprise subway mansions, subway stations and small vehicle section areas; a network controller and a multifunctional power monitoring terminal are arranged in the subway building area; through the improvement to subway station energy management and control system architecture, it is reasonable to have system framework design, provides real-time energy consumption data and the real-time running state of equipment for subway operation management work, provides technical means and direction for energy management, makes subway energy management work no longer blindly, one-sidedly, but target, systematized, improves energy utilization efficiency, reduces the advantage of operation cost to effectual the problem appearing and not enough in having solved current device.
Description
Technical Field
The invention relates to the technical field of subway station energy management and control, in particular to a subway station energy management and control system architecture.
Background
Subways are a form of rail transportation and refer to urban rail transit systems that operate primarily underground, and many such systems may be moved to ground or elevated sections outside urban centers in order to fit the environment of construction and in view of construction and operating costs. The subway is an urban rail transit system which covers various underground and overground roadways of urban areas, is special in right of way, high in density and high in traffic volume.
Subways are underground traffic with high technology, high construction costs and high operating costs. At present, subways are industries with high loss and high subsidy in the world except hong Kong subways, only one electric charge accounts for 20% of direct operation cost, and no support of energy consumption data and comprehensive and systematic energy management means exist at present to reduce the operation cost.
In view of this, research and improvement are performed to solve the existing problems, and a subway station energy management and control system architecture is provided, which aims to achieve the purposes of solving the problems and improving the practical value through the technology.
Disclosure of Invention
The invention aims to provide a subway station energy management and control system architecture to solve the problem that the subway proposed in the background technology is underground traffic with high technology, high manufacturing cost and high operation cost. At present, subways are industries with high loss and high subsidy in the world except hong Kong subways, only one electric charge accounts for 20% of direct operation cost, and the problem and the defect that the operation cost is reduced by support of energy consumption data and a comprehensive and systematic energy management means are not available at present.
In order to achieve the above object, the present invention provides a subway station energy management and control system architecture, which is achieved by the following specific technical means:
a subway station energy management and control system architecture, comprising: the system comprises an energy management center, a remote transmission network and a field subsystem; the field subsystem carries out information interaction with the energy management center through a remote transmission network; the field subsystems comprise subway mansions, subway stations and small vehicle section areas; a network controller and a multifunctional power monitoring terminal are arranged in the subway building area; a network controller, a gateway, an intelligent water meter and a multifunctional power monitoring terminal are arranged in the subway station area; and a network controller, a gateway, an intelligent water meter and a multifunctional power monitoring terminal are arranged in the small vehicle section area.
As further optimization of the technical scheme, the invention relates to a subway station energy management and control system architecture, wherein a multifunctional electric power monitoring terminal is used for monitoring electric power parameters and running states of an air conditioner and ventilation system, a lighting system, an elevator and a power supply and distribution system in an area, carrying out timing control and remote switching-on and switching-off control on the air conditioner and ventilation system, the lighting system, the elevator and the power supply and distribution system in the area, carrying out information interaction between the multifunctional electric power monitoring terminal and a network controller through twisted-pair lines, monitoring the electric power parameters such as current, voltage, power factor, active power, reactive power and frequency of real-time monitoring equipment, alarming when abnormality is found, and prompting managers to process in time; the operation state monitoring is the working state (starting, stopping, power frequency/frequency conversion) of the real-time monitoring equipment, so that managers can know the real-time operation state of the equipment conveniently; the timing control can control the opening and closing of the equipment in a timing mode according to the operation management mode of the subway, so that the waste of energy caused by the fact that the equipment is still in an opening state in non-working time is avoided; the remote opening and closing control is to allow a manager to remotely control the opening and closing of the equipment, and simultaneously, the system automatically records an operator and operation behaviors.
As a further optimization of the technical scheme, the invention relates to a subway station energy management and control system architecture, wherein an intelligent water meter is used for monitoring the water level of a pool and a water tank of a water supply and drainage system in an area and the working states of various water pumps in real time, the intelligent water meter is connected to a network controller through a gateway, information interaction is carried out among the intelligent water meter, the gateway and the network controller through twisted-pair lines, the current, voltage, power factor, active power, reactive power, frequency and other power parameters of equipment are monitored in real time, an alarm is given when abnormality is found, a manager is prompted to process the abnormality, the number of running water pumps in the system is timely adjusted through computer control, so that the balance between water supply quantity and water demand, incoming water quantity and water drainage quantity is achieved, the optimal running state of a pump house is achieved, and the optimal control of high efficiency and low energy consumption is.
As a further optimization of the technical scheme, the energy management and control system architecture of the subway station mainly manages and controls energy of office equipment in the subway building area, and the energy management and control system architecture mainly manages and controls energy of the office equipment in the subway building area, and comprises energy-saving control of an electric boiler, energy-saving control of a copying machine and energy-saving control of desktop office equipment.
As a further optimization of the technical scheme, the energy management and control system architecture of the subway station, provided by the invention, comprises the database server, the workstation and the router, wherein the workstation is connected to the internet through the router, so that data uploading and sending are realized, and other business units can conveniently know the energy management and control conditions.
As a further optimization of the technical scheme, the energy management and control system architecture of the subway station, disclosed by the invention, adopts an ethernet network for the remote transmission network.
As the further optimization of the technical scheme, the energy management and control system architecture of the subway station, disclosed by the invention, has the advantages that the field subsystem adopts the P-CSMA/CD technology, the real-time communication can be realized, the communication protocol conforms to the international standard, the interchangeability of products can be realized, the network is very easy to expand, modify and maintain, the seamless connection with the Internet can be realized, the remote monitoring and the remote operation can be realized
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
by improving the subway station energy management and control system architecture, the invention has the advantages of reasonable system frame design, providing real-time energy consumption data and equipment real-time running state for subway operation management work, providing technical means and guidance direction for energy management, enabling the subway energy management work not to be blind and one-sided, but to be targeted and systematized, improving the energy utilization efficiency and reducing the operation cost, thereby effectively solving the problems and the defects in the existing device.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present invention provides a specific technical implementation of an energy management and control system architecture of a subway station:
a subway station energy management and control system architecture, comprising: the system comprises an energy management center, a remote transmission network and a field subsystem; the field subsystem carries out information interaction with the energy management center through a remote transmission network; the field subsystems comprise subway mansions, subway stations and small vehicle section areas; a network controller and a multifunctional power monitoring terminal are arranged in a subway building area; a network controller, a gateway, an intelligent water meter and a multifunctional power monitoring terminal are arranged in the subway station area; and a network controller, a gateway, an intelligent water meter and a multifunctional power monitoring terminal are arranged in the small vehicle section area.
Specifically, the multifunctional power monitoring terminal is used for monitoring power parameters and running states of an air conditioner and ventilation system, a lighting system, an elevator and a power supply and distribution system in an area, performing timing control and remote switching-on and switching-off control on the air conditioner and ventilation system, the lighting system, the elevator and the power supply and distribution system in the area, and performing information interaction between the multifunctional power monitoring terminal and the network controller through a twisted pair.
In particular, the intelligent water meter is used for monitoring the water level of a pool and a water tank of a water supply and drainage system in an area and the working state of various water pumps in real time, the intelligent water meter is connected to a network controller through a gateway, and the intelligent water meter, the gateway and the network controller are in information interaction through twisted-pair lines,
specifically, the energy management and control of office equipment are mainly performed in the subway building area, and the energy management and control comprises electric boiler energy-saving control, copier energy-saving control and desktop office equipment energy-saving control.
Specifically, the energy management center includes a database server, a workstation, and a router, and the workstation is connected to the internet through the router.
Specifically, the remote transmission network uses ethernet.
Specifically, the field subsystem can communicate in real time by adopting P-CSMA/CD technology.
The method comprises the following specific implementation steps:
in the aspect of energy-saving control:
air conditioning and ventilation system: taking the summer working condition of the air conditioning system as an example, because the pedestrian flow of the subway station is greatly changed at different time intervals every day, the air conditioner and the ventilation system should adjust the running state (start/stop, power frequency/variable frequency running) of the air conditioning system equipment according to the parameters of real-time passenger flow, station environment, indoor and outdoor temperature and the like, so as to avoid the phenomenon of energy waste of 'large flow and small temperature difference' or 'constant flow', and the system equipment does not always run in a full-power and full-load mode, thereby prolonging the service life of the equipment to a certain extent. The corresponding energy-saving control links are as follows: energy-saving control of refrigerator, energy-saving control of freezing pump/cooling pump, energy-saving control of cooling tower, energy-saving control of air conditioner/fresh air machineEnergy-saving control of the tail end of the air conditioner, energy-saving control of the TVF fan, temperature, humidity and CO control2The ventilation system is automatically opened/closed by the parameters provided by the detector, so that the loss of cold air in the station is reduced on the premise of ensuring higher air quality of the subway station.
An illumination system: generally, the illumination of a subway station is started within the operation time (such as 6: 00-23: 00) period, and during the period outside the peak period, the grouped control can be carried out according to the traffic condition, and partial lamps are started. The on/off state and power parameters (voltage, current, active power, etc.) of the lighting lamp are also transmitted to the monitoring center in real time, so that the lighting system can be monitored by the person on duty. The specific energy-saving control contents are as follows: the system comprises lighting grouping/partition energy-saving control, lighting timing energy-saving control, lighting linear dimming energy-saving control and lighting graded dimming energy-saving control.
An elevator: subway stations are 2 stories of building (station hall layer, platform layer) usually, and some stations still are equipped with commercial layer, and the passenger need take the staircase or elevator arrives own destination floor usually, so, a large amount of elevators all run at full load in the operating time every day, and concrete energy-saving control contains: the weight of the passenger is automatically measured, and the motor output of the elevator is automatically adjusted to be matched with the loaded weight.
The power supply and distribution system comprises: 1. the method comprises the following steps of power load energy-saving control, real-time monitoring, calculation, prediction, management and power load control of the power load; 2. and energy-saving control of the power supply voltage. Ensuring that the supply voltage is within a design quota; 3. the power factor of the low-voltage power grid is controlled in an energy-saving mode, the power factor of the distribution low-voltage power grid of the subway station, the three-phase balance degree of a transformer, the switching state of a compensation capacitor, the power factor automatic compensation mode and the line loss can be monitored in real time.
In summary, the following steps: this subway station energy management and control system framework, through the improvement to subway station energy management and control system framework, it is reasonable to have a system frame design, provide real-time energy consumption data and the real-time running state of equipment for subway operation management work, provide technical means and direction for energy management, make subway energy management work no longer blindly, one side, but some target, systematization, improve energy utilization efficiency, reduce the advantage of operation cost, thereby the effectual problem that appears and is not enough in having solved current device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A subway station energy management and control system architecture, comprising: the system comprises an energy management center, a remote transmission network and a field subsystem; the method is characterized in that: the field subsystem carries out information interaction with the energy management center through a remote transmission network; the field subsystems comprise subway mansions, subway stations and small vehicle section areas; a network controller and a multifunctional power monitoring terminal are arranged in the subway building area; a network controller, a gateway, an intelligent water meter and a multifunctional power monitoring terminal are arranged in the subway station area; and a network controller, a gateway, an intelligent water meter and a multifunctional power monitoring terminal are arranged in the small vehicle section area.
2. The subway station energy management and control system architecture of claim 1, wherein: the multifunctional power monitoring terminal is used for monitoring power parameters and running states of an air conditioner and ventilation system, a lighting system, an elevator and a power supply and distribution system in an area, performing timing control and remote switching-on and switching-off control on the air conditioner and ventilation system, the lighting system, the elevator and the power supply and distribution system in the area, and performing information interaction between the multifunctional power monitoring terminal and the network controller through a twisted pair.
3. The subway station energy management and control system architecture of claim 1, wherein: the intelligent water meter is used for monitoring the water level of a pool and a water tank of a water supply and drainage system in an area and the working state of various water pumps in real time, is connected to the network controller through the gateway, and performs information interaction among the intelligent water meter, the gateway and the network controller through twisted-pair lines.
4. The subway station energy management and control system architecture of claim 1, wherein: the subway building area is mainly used for controlling energy of office equipment, and the energy control comprises electric boiler energy-saving control, duplicator energy-saving control and desktop office equipment energy-saving control.
5. The subway station energy management and control system architecture of claim 1, wherein: the energy management center comprises a database server, a workstation and a router, and the workstation is connected to the Internet through the router.
6. The subway station energy management and control system architecture of claim 1, wherein: the remote transmission network adopts Ethernet.
7. The subway station energy management and control system architecture of claim 1, wherein: the field subsystem can communicate in real time by adopting P-CSMA/CD technology.
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Cited By (2)
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CN112183189A (en) * | 2020-08-18 | 2021-01-05 | 湖南信达通信息技术有限公司 | Subway area intelligent illumination method and device based on passenger flow density and computer equipment |
CN113341791A (en) * | 2021-05-14 | 2021-09-03 | 泉州市铁通电子设备有限公司 | Railway 5G shared transmission system and state monitoring method thereof |
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CN113341791B (en) * | 2021-05-14 | 2023-11-24 | 泉州市铁通电子设备有限公司 | Railway 5G sharing transmission system and state monitoring method thereof |
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Application publication date: 20191220 |