CN113741596B - Operation and maintenance method and system for railway power supply and distribution - Google Patents
Operation and maintenance method and system for railway power supply and distribution Download PDFInfo
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- CN113741596B CN113741596B CN202110984324.3A CN202110984324A CN113741596B CN 113741596 B CN113741596 B CN 113741596B CN 202110984324 A CN202110984324 A CN 202110984324A CN 113741596 B CN113741596 B CN 113741596B
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Abstract
The invention relates to an operation and maintenance method and system for railway power supply and distribution, wherein the method comprises the steps of receiving equipment data collected from equipment; receiving an image which is acquired by inspection equipment and aims at the equipment; rechecking the equipment data according to the image to determine the authenticity of the equipment data; when the authenticity of the equipment data is true, the associated control equipment is controlled to process according to the equipment data, the equipment data are analyzed, the associated control equipment is controlled in a linkage mode, the safety of operation and maintenance personnel is guaranteed to the maximum extent, and the operation and maintenance efficiency is improved.
Description
Technical Field
The invention relates to the technical field of railway power supply and distribution, in particular to an operation and maintenance method and system for railway power supply and distribution.
Background
In the current daily railway operation And maintenance, operation And maintenance personnel need to pay attention to Data And daily monitoring of a Supervisory Control And Data Acquisition System (SCADASystem) in real time, and when alarm Data appear in the SCADA System, the operation And maintenance personnel need to carry out site positioning or carry out positioning of abnormal positions one by switching cameras for daily monitoring. Therefore, the manual operation and maintenance efficiency is low, and potential safety hazards exist.
Disclosure of Invention
The invention aims to provide an operation and maintenance method and system for railway power supply and distribution, which can analyze equipment data, control associated control equipment in a linkage manner, ensure the safety of operation and maintenance personnel to the maximum extent and improve operation and maintenance efficiency.
In order to achieve the above object, a first aspect of the present application provides an operation and maintenance method for railway power supply and distribution, including:
receiving device data collected from a device;
receiving an image which is acquired by inspection equipment and aims at the equipment;
rechecking the equipment data according to the image to determine the authenticity of the equipment data;
and when the authenticity of the equipment data is true, controlling the associated control equipment to process according to the equipment data.
Further, the receiving of the image of the inspection equipment, which is collected by the inspection equipment and is specific to the equipment, includes:
when the equipment data changes, determining routing inspection equipment associated with the equipment;
sending a polling instruction to the polling equipment, enabling the polling equipment to enter a polling mode, and returning an image aiming at the equipment;
the image is received.
Further, the receiving of the image of the inspection equipment, which is collected by the inspection equipment and is specific to the equipment, includes:
determining a routing inspection plan of routing inspection equipment;
controlling the inspection equipment to inspect equipment associated with the inspection equipment according to the inspection plan, and returning an image aiming at the equipment;
the image is received.
Further, the rechecking the device data according to the image to determine the authenticity of the device data includes:
determining a type of device from which the image is derived;
extracting verification data from the image according to the image processing mode corresponding to the type;
when the device data matches the verification data, determining that the authenticity of the device data is true.
Further, the device is a circuit breaker; the equipment data comprises remote signaling data of the circuit breaker;
identifying the on-off state of a switch of the circuit breaker from the image of the circuit breaker as verification data;
and when the remote signaling data is consistent with the switch combination and separation state displayed by the verification data, determining that the authenticity of the remote signaling data is true.
Further, the device data includes environment data of an environment where the device is located, and the controlling the associated control device to perform processing according to the device data includes:
comparing the collected environmental data with a preset alarm value;
and when the environmental data reaches the alarm value, controlling the control equipment related to the environmental data regulation to process.
Further, the environment data includes: temperature and humidity of the power transformation and distribution substation;
and when the temperature or the humidity exceeds a preset alarm value, controlling the air conditioning equipment to start a corresponding refrigeration or dehumidification function.
Further, the environment data includes: SF6 concentration of the electric power transformation and distribution substation;
and when the SF6 concentration exceeds the preset concentration, controlling the fan device to be started.
Further, after the receiving the device data collected from the device, the method further comprises:
generating a panoramic map including the device;
displaying the device data at a location of the device in the panoramic map.
In order to achieve the above object, a second aspect of the present application provides an operation and maintenance system for railway power supply and distribution, including: the system comprises a server, power equipment, inspection equipment and control equipment;
the server is used for receiving the equipment data acquired from the electric equipment and the image which is acquired by the inspection equipment and aims at the electric equipment;
the server is further used for rechecking the equipment data according to the image and determining the authenticity of the equipment data; and when the authenticity of the equipment data is true, controlling the associated control equipment to process according to the equipment data.
Therefore, according to the technical scheme provided by the application, the equipment data are collected from the equipment, and further, the data analysis such as rechecking is uniformly carried out on the equipment data, so that communication among the equipment is realized on the premise of maintaining the relative independent operation of the existing equipment, linkage control is further realized, and the operation and maintenance efficiency is improved.
Furthermore, the mode of inspection and image analysis is combined for rechecking the equipment, so that the operation and maintenance personnel can be ensured to perform troubleshooting on the fault site without railway power supply and distribution, and the safety of the operation and maintenance personnel can be ensured.
Drawings
Fig. 1 is a schematic step diagram of an operation and maintenance method for railway power supply and distribution in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an operation and maintenance system for railway power supply and distribution in the embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of subsystems of a server in an operation and maintenance system for railway power supply and distribution in embodiment 2 of the present invention.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1
The operation and maintenance method can be executed by an operation and maintenance device for railway power supply and distribution, can be realized in a software and/or hardware mode, and is integrated in operation and maintenance equipment capable of performing railway power supply and distribution. Optionally, the device includes, but is not limited to, a terminal such as a computer, a server, and the like. In this embodiment, the device will be described in detail by taking the device as an example.
Fig. 1 is a schematic step diagram of a railway power supply and distribution operation and maintenance method according to an embodiment of the present invention. Referring to fig. 1, the method may include the steps of:
and S110, receiving the device data collected from the device.
The equipment may be Power supply and distribution equipment in a railway, such as a circuit breaker, a transformer, a Gas Insulated Substation (GIS), a switch cabinet, and an Uninterruptible Power System (UPS).
Specifically, in this embodiment, online detection may be performed on each device, for example:
(1) And (3) online monitoring of the UPS: monitoring the whole process of the charging and discharging process of the storage battery;
(2) On-line monitoring of the switch cabinet: the intelligent protection method is used for detecting and intelligently protecting overheating caused by poor splicing, loose joint, bus creep, surface oxidation, galvanic corrosion, overload, overhigh ring temperature, poor ventilation and the like of a handcart corner head of the movable switch device of the power supply system, a fixed switch device isolating switch contact, a bus, a cable connection part, a reactor winding, a dry-type transformer high-voltage winding and the like.
(3) Online monitoring of partial discharge in Gas Insulated Substations (GIS): the method can collect spectrograms of partial discharge, and utilizes various spectrogram analyses to diagnose faults, including transformer partial discharge mode identification, analysis and prediction of severity and development trend of partial discharge defects, and real-time alarm of obvious abnormity, so as to provide basic criteria for insulation state diagnosis.
(4) On-line monitoring of transformer oil chromatography: the detection of seven full-component gases such as H2, CO2, CH4, C2H6, C2H2 and the like and micro-water in the oil is realized.
Wherein, the micro-water index is volume ratio: ppmv (V is a subscript to indicate a volume parameter) is the volume of water contained per million parts of gas per unit volume and is called micro-water because it contains little or no water. Micro-water is used in more places with strict requirements on environmental dryness in industry.
Further, the device data may include operational data of the device, such as remote signaling data of the circuit breaker; environmental data of the environment in which the device is located, such as temperature and humidity, may also be included; alarm data of the device, such as alarm data of the original SCADA system, may also be included.
The circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition and closing, carrying and opening/closing a current under an abnormal circuit condition within a predetermined time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-low voltage boundary line is divided more vaguely, and the circuit breakers above 3kV are generally called high-voltage electric appliances.
The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.
Further, the operational data of the circuit breaker may be telesignaling data.
The remote signaling is remote status signal which is the input quantity of telemechanical communication data, and is used for remotely transmitting equipment status signals of a monitored plant station to dispatching, such as switch position signals, protection signals and the like. For example, the on/off state of a circuit breaker or a disconnector, the action/reset of a protection signal, the engaging/disengaging of an AGC/AVC function, etc., are usually represented by 1 or 2 binary bits
Similarly, the operation data of other power supply and distribution equipment such as a transformer can also be remote signaling data. The remote signaling data can be position signals of a switch, internal fault comprehensive signals of a transformer, action signals of a protection device, operation condition signals of communication equipment, tap position signals of a regulating transformer and the like.
In this embodiment, the data source corresponding relationship with the device in the third-party system (such as an SCADA system) can be realized through asset management, and the full life cycle management of the power supply and distribution device is realized through the linkage of the internet of things technology and the specific device.
In a specific embodiment, the data can be collected to the monitoring platform by communicating with a third-party system in a REST interface, protocol or SDK manner. The monitoring platform may be a functional module running in a server.
Furthermore, in this embodiment, the collected device data may also be stored in a corresponding location, for example, the collected telemetry data is stored in a log file in real time, the alarm telemetry and the telemetry data are stored in a structured database, and the image collected by the alarm or inspection task is stored in a file server, so as to realize respective collection, unified management and analysis of the device data of a plurality of devices, and ensure that communication between the devices is realized on the premise of maintaining the relatively independent operation of the existing devices, further realize linkage control, and improve operation and maintenance efficiency.
And S120, receiving the image which is collected by the inspection equipment and aims at the equipment.
Generally, in the current daily railway operation and maintenance, operation and maintenance personnel need to pay attention to equipment data and daily monitoring of each equipment in the SCADA system in real time, and when alarm data exists in the equipment data of the SCADA system, the operation and maintenance personnel need to carry out site positioning or carry out positioning of abnormal positions one by switching cameras for daily monitoring.
In this embodiment, can adopt the mode that equipment of patrolling and examining got into the mode of patrolling and examining, carry out the shooting of image to equipment, and need not the fortune dimension personnel and carry out the scene or fix a position abnormal position one by one through the camera that switches daily control, can guarantee fortune dimension personnel's safety to improve fortune dimension's efficiency.
In this embodiment, the inspection equipment can have two working modes: a triggering mode and a planning mode.
1. Triggering mode
In this embodiment, when the device data changes, routing inspection devices associated with the devices are determined; sending a polling instruction to the polling equipment, enabling the polling equipment to enter a polling mode, and returning an image aiming at the equipment; the image is received.
The case that the device data is remote signaling data is described, when the remote signaling data of a certain device changes, for example, when the switch state of the certain device changes, the inspection device associated with the device can be determined, and an inspection instruction is sent to the inspection device, so that the option device enters an inspection mode, and a task of rechecking the device data is started. Specifically, the inspection device may photograph the associated device, acquire an image of the device, and upload the image to the monitoring platform in the server.
2. Planning method
In this embodiment, can be through coordinated control equipment of patrolling and examining, carry out supplementary intelligence and patrol and examine and replace artifical scene daily and patrol and examine.
In one embodiment, an inspection plan of an inspection device may be determined; controlling the inspection equipment to inspect equipment associated with the inspection equipment according to the inspection plan, and returning an image aiming at the equipment; the image is received.
Specifically, the following steps may be performed:
(1) The routing inspection plan, such as a time plan, can include a start time, a duration, a repetition number, an end time and other plans.
(2) Binding the inspection object, the monitoring equipment, the associated monitoring point and the equipment data; the inspection object is equipment associated with inspection equipment; monitoring equipment, namely inspection equipment, such as a monitoring camera or a monitoring camera arranged around the equipment; a monitoring point may be an area that includes devices in the area. Further, the device data may be sent to the inspection device so that the inspection device can determine the type, location, and location of the device to be photographed.
(3) Generating a polling task regularly or manually according to a polling plan;
(4) Automatically or manually executing the inspection task, and traversing by the monitoring equipment according to a preset inspection object to form a task list;
(5) The inspection equipment moves to a monitoring point, a photographing function is started, the associated equipment is photographed, and an image for the equipment is obtained;
(6) Uploading the image to a server;
(7) Performing image analysis on the image to recheck the authenticity of the equipment data, and further determining whether the equipment runs normally;
(8) And generating an intelligent inspection report and submitting the intelligent inspection report to manual recheck.
S130, rechecking the equipment data according to the image, and determining the authenticity of the equipment data.
In this embodiment, the type of device from which the image originates may be determined; extracting verification data from the image according to the image processing mode corresponding to the type; determining authenticity of the device data is true when the device data is in conformity with the verification data.
In this embodiment, the image processing method may include Optical Character Recognition (OCR), image comparison, image classification, and the like.
In an embodiment, if the device is a circuit breaker and the device data includes remote signaling data of the circuit breaker, the device data can be used for finally identifying the combination and separation state of a switch of the circuit breaker as verification data by performing image preprocessing, character detection and text identification on the acquired image of the circuit breaker, and comparing the combination and separation state with the remote signaling data, when the combination and separation state of the switch displayed by the remote signaling data and the verification data is consistent, the device data is consistent with the verification data, and the authenticity of the remote signaling data is determined to be true.
In another embodiment, the device data includes environmental data of an environment where the device is located, such as temperature and humidity, and image preprocessing, character detection, text recognition may be performed through the acquired pictures of the thermometer or hygrometer, and finally, the numbers in the thermometer or hygrometer are recognized, so that the temperature and humidity are recognized as the verification data. And then, comparing the environmental data with the verification data, and if the temperature or the humidity embodied by the environmental data and the verification data are consistent, indicating that the equipment data is consistent with the verification data and the authenticity of the equipment data is true.
And S140, controlling the associated control equipment to process according to the equipment data when the authenticity of the equipment data is true.
In this embodiment, the control device may be an environmental control device such as an air conditioner or a fan.
Further, the device data may include environment data of an environment where the device is located, and further, the collected environment data may be compared with a preset alarm value; and when the environmental data reaches the alarm value, controlling the control equipment related to the environmental data regulation to process.
In one embodiment, the environmental data may include: temperature and humidity of the power transformation and distribution substation. And when the temperature or the humidity exceeds a preset alarm value, controlling the air conditioning equipment to start a corresponding refrigeration or dehumidification function.
In yet another embodiment, the environmental data includes: SF6 concentration in electric power transformation and distribution grids. And when the SF6 concentration exceeds the preset concentration, controlling the fan device to be started.
Wherein, SF6 is sulfur hexafluoride, which is a stable gas with no color, no odor, no toxicity and no combustion. SF6 is a strong electronegative gas, the molecules of which are easy to adsorb free electrons to form negative ions with large mass, and the collision ionization process in the gas is weakened, so the electrical insulation strength of the SF is very high and is about 2.5 times of the air insulation strength in a uniform electric field. Thus, when the alternating current arc current passes through zero, the cooling effect of SF6 on the arc path is much stronger than that of air, and the arc extinguishing capacity is about 100 times of that of air. SF6 gas has been used as an arc-extinguishing medium for high-voltage circuit breakers since the end of the 20 th century, 50 s, due to its excellent arc-extinguishing and insulating properties and good chemical stability. In the ultrahigh voltage and extra-high voltage circuit breakers, SF6 has been used as an arc extinguishing medium, replacing oil, and replacing compressed air in large quantities. However, sulfur hexafluoride is an asphyxiant and, at high concentrations, can cause dyspnea, wheezing, bluing skin and mucous membranes, and general spasms. Therefore, when the concentration of the SF6 exceeds the preset concentration, the fan device is controlled to be started to reduce the concentration of the SF 6.
According to the embodiment, the device data are collected from the devices, and further, the data analysis such as the recheck of the device data is uniformly carried out, so that the communication among the devices is realized on the premise of maintaining the relative independent operation of the existing devices, the linkage control is further realized, and the operation and maintenance efficiency is improved.
Furthermore, the mode of inspection and image analysis is combined for rechecking the equipment, so that operation and maintenance personnel can be ensured to carry out troubleshooting without being used on the fault site of railway power supply and distribution, and the safety of the operation and maintenance personnel can be ensured.
On the basis of the technical scheme, after the device data collected from the device is received, a panoramic map comprising the device can be generated; displaying the device data at a location of the device in the panoramic map.
Specifically, the following steps may be performed:
(1) Shooting panoramic pictures of all equipment in a railway power supply and distribution system;
(2) Making a panoramic map according to the panoramic picture;
(3) The location of each device is configured in a panoramic map.
(4) Receiving device data from a device;
(5) Judging the authenticity of the equipment data, or judging that the equipment data is alarm data or normal data;
(6) Different device data are displayed in the panoramic map by different icons, so that alarm positioning and real-time data can be known more clearly and accurately.
Example 2
Fig. 2 is a schematic structural diagram of an operation and maintenance system for railway power supply and distribution in the embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of subsystems of a server in an operation and maintenance system for railway power supply and distribution in embodiment 2 of the present invention.
In this embodiment, referring to fig. 2, the operation and maintenance system for railway power supply and distribution may include a server, a power device, an inspection device, and a control device.
In this embodiment, the server of the operation and maintenance system for railway power supply and distribution may execute any one of the operation and maintenance methods for railway power supply and distribution provided in the above embodiments, such as:
the server is used for receiving the equipment data acquired from the electric equipment and the image which is acquired by the inspection equipment and aims at the electric equipment;
the server is also used for rechecking the equipment data according to the image and determining the authenticity of the equipment data; and when the authenticity of the equipment data is true, controlling the associated control equipment to process according to the equipment data.
Further, referring to fig. 3, in the server of the operation and maintenance system for railway power supply and distribution, the parts may be divided according to functions, and the dividing may include: and the system comprises a monitoring platform, an information acquisition subsystem, a video monitoring subsystem, an intelligent inspection subsystem, a linkage control subsystem, an intelligent analysis subsystem and the like.
Illustratively, the information collection subsystem may be configured to receive device data collected from the power device;
the monitoring platform, the video monitoring subsystem and the intelligent inspection subsystem can be used for receiving images which are collected by inspection equipment and aim at the power equipment; specifically, the monitoring platform is used for receiving images and can comprise two modes of video monitoring and intelligent inspection.
The intelligent analysis subsystem can be used for rechecking the equipment data according to the image and determining the authenticity of the equipment data;
and the linkage control subsystem can be used for controlling the associated control equipment to process according to the equipment data when the authenticity of the equipment data is true.
In this embodiment, by integrating the subsystems, functions such as monitoring data processing, system linkage, real-time patrol, patrol information uploading, and the like are realized in a centralized manner, and communication with other systems is completed. On the premise of maintaining the relatively independent operation of the existing subsystems, the system is communicated with the subsystems, and further, the functions of collecting, processing, inspecting, alarming and the like of various important information such as transformer substation field video, security protection, environment, fire alarm, transformer core grounding current, GIS partial discharge, transformer oil chromatography, SF6, micro water, lightning arrester monitoring and the like can be realized through the subsystems.
Although the invention has been described in detail hereinabove by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that many modifications and improvements can be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. An operation and maintenance method for railway power supply and distribution is characterized by comprising the following steps:
receiving device data collected from a device;
receiving an image which is acquired by inspection equipment and aims at the equipment;
rechecking the equipment data according to the image to determine the authenticity of the equipment data;
and when the authenticity of the equipment data is true, controlling the associated control equipment to process according to the equipment data.
2. The method of claim 1, wherein receiving the image for the device acquired by the inspection device comprises:
when the equipment data changes, determining routing inspection equipment associated with the equipment;
sending a polling instruction to the polling equipment, enabling the polling equipment to enter a polling mode, and returning an image aiming at the equipment;
the image is received.
3. The method of claim 1, wherein receiving the image for the device acquired by the inspection device comprises:
determining a routing inspection plan of routing inspection equipment;
controlling the inspection equipment to inspect equipment associated with the inspection equipment according to the inspection plan, and returning an image aiming at the equipment;
the image is received.
4. A method according to any of claims 1-3, wherein said reviewing said device data based on said image to determine authenticity of said device data comprises:
determining a type of device from which the image is derived;
extracting verification data from the image according to the image processing mode corresponding to the type;
determining authenticity of the device data is true when the device data is in conformity with the verification data.
5. The method of claim 4, wherein the device is a circuit breaker; the equipment data comprises remote signaling data of the circuit breaker;
identifying the on-off state of a switch of the circuit breaker from the image of the circuit breaker as verification data;
and when the remote signaling data is consistent with the switch combination and separation state displayed by the verification data, determining that the authenticity of the remote signaling data is true.
6. The method of claim 1, wherein the device data includes environmental data of an environment in which the device is located, and wherein controlling the associated control device to process the device data includes:
comparing the collected environment data with a preset alarm value;
and when the environmental data reaches the alarm value, controlling the control equipment related to the environmental data regulation to process.
7. The method of claim 6, wherein the environmental data comprises: temperature and humidity of the power transformation and distribution substation;
and when the temperature or the humidity exceeds a preset alarm value, controlling the air conditioning equipment to start a corresponding refrigeration or dehumidification function.
8. The method of claim 6, wherein the environmental data comprises: SF6 concentration of the electric power transformation and distribution substation;
and when the SF6 concentration exceeds the preset concentration, controlling the fan device to be started.
9. The method of claim 1, further comprising, after said receiving device data collected from a device:
generating a panoramic map including the device;
displaying the device data at a location of the device in the panoramic map.
10. An operation and maintenance system for railway power supply and distribution, comprising: the system comprises a server, power equipment, inspection equipment and control equipment;
the server is used for receiving the equipment data acquired from the electric equipment and the image, which is acquired by the inspection equipment and aims at the electric equipment;
the server is further used for rechecking the equipment data according to the image and determining the authenticity of the equipment data; and when the authenticity of the equipment data is true, controlling the associated control equipment to process according to the equipment data.
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| 安防视频监控联网大数据分析处理系统设计;夏海涛等;《河南科技》;20180605(第11期);全文 * |
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