CN102957201A - Power distribution network station house monitoring system - Google Patents

Abstract

The invention discloses a monitoring system for a power distribution network room. The power distribution network room monitoring system includes: a control terminal, which is set in the main station room of the power distribution network room; a sensor, which is set in the sub-station room of the power distribution network room, for monitoring the environmental parameters of the sub-station room; and a monitoring host, It is installed in the substation room, connected with the sensor and the control terminal respectively, and used to send monitoring data to the control terminal, wherein the monitoring data includes the environmental parameters of the substation room and the location parameters of the substation room, and the control terminal is used to receive and store And display monitoring data. Through the present invention, the environmental condition of the power distribution substation can be monitored, and the monitoring parameters can be sent to the control terminal in real time, which is convenient for operating personnel to grasp the information in the substation, and enhances the flood control monitoring capability of the substation.

Description

Power distribution network room monitoring system

technical field

The invention relates to the field of power distribution networks, in particular to a monitoring system for a power distribution network house.

Background technique

With the continuous increase in the number of switching stations, power distribution rooms and box transformers for the operation and management of the power distribution work area, the contradiction between the relative lack of personnel and the large number of station buildings has become increasingly prominent, especially in heavy rainfall seasons, the flood control monitoring work of underground station buildings Withstood a severe test. At present, the monitoring work of underground stations can only be completed by repeated carpet inspections by operating personnel, which takes up a lot of manpower and material resources and brings great pressure to production and operation. Moreover, due to the large number of stations, it is easy to fail to inspect in time Water seepage, backflow and other problems in the station room. At the same time, the special location of the underground station building is often prone to water accumulation, and it is not easy to be found. Once the pipeline runs out of water or the rainwater backflow occurs, the equipment in the underground station room will be safe to operate. pose a great threat.

In order to solve problems such as water seepage and backflow, some underground stations have installed fixed drainage pumps. However, due to reasons such as drainage pump power supply, drainage channels, and pump self-maintenance, fixed drainage pumps in underground stations often cannot play an ideal role.

Aiming at the problem of poor flood control detection ability of power distribution substations in related technologies, no effective solution has been proposed so far.

Contents of the invention

The main purpose of the present invention is to provide a monitoring system for power distribution substations to solve the problem of weak flood control monitoring capabilities of distribution substations.

According to the present invention, the monitoring system of the power distribution substation comprises: a control terminal arranged in the main station of the power distribution substation; a sensor arranged in the substation of the distribution substation for monitoring the environmental parameters of the substation; and The monitoring host is set in the sub-station room, connected with the sensor and the control terminal respectively, and used to send monitoring data to the control terminal, wherein the monitoring data includes the environmental parameters of the sub-station room and the location parameters of the sub-station room, and the control terminal is used for Receive, store and display monitoring data.

Further, the sensors include: a temperature and humidity sensor for monitoring the temperature and humidity of the substation room.

Further, the temperature and humidity sensor is installed in any one or more of the following places: the high voltage room of the substation building, the low voltage room of the substation building, the transformer room of the substation building and the DC room of the substation building.

Further, the sensor includes: a liquid level sensor, which is used to monitor the water depth on the ground of the substation room.

Further, the liquid level sensor is arranged in the interlayer of the distribution network substation building.

Further, the sensor includes: a water-immersion line sensor, which is used to monitor whether there is water on the ground of the substation room.

Further, the water immersion line sensor is arranged at any one or more of the following places: the door of the substation room, around the equipment in the substation room and around the cable chamber of the substation room.

Further, the monitoring host includes: a touch display screen, configured to receive an environmental parameter viewing command input by a user, and display the environmental parameters according to the parameter viewing command.

Further, the control terminal is also used to judge whether the environmental parameters in the monitoring data exceed the range of the preset environmental parameters; and when the environmental parameters exceed the range of the preset environmental parameters, send an alarm signal, wherein the alarm signal includes a pop-up window and/or sends out sound.

Further, the monitoring system of the power distribution network room according to the present invention also includes: access control, which is set at the main entrance door of the distribution network substation room, connected with the monitoring host, and used to record the access information of the substation room, wherein the access information Including the time when the user enters the station building; and the monitoring data also includes access information.

Through the present invention, the monitoring system of the power distribution network room is adopted, which includes the following parts: the control terminal installed in the main station room of the distribution network; the sensor and the monitoring host installed in the substation room of the distribution network, wherein the sensor monitors the environment of the substation room Parameters, the monitoring host sends the monitoring data including the environmental parameters and location parameters of the substations to the control terminal, and the control terminal stores and displays the monitoring data after receiving the monitoring data, so that the station operators can understand the status of each substation in real time. In the current environmental conditions, when there are problems such as water seepage and backflow in the station building, they can be discovered in time and can be dealt with in a timely manner. The effect of internal equipment operation security.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is a monitoring system for a power distribution grid house according to a first embodiment of the present invention; and

Fig. 2 is a monitoring system for power distribution sub-networks according to the second embodiment of the present invention.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

Fig. 1 is the monitoring system of the power distribution network room according to the first embodiment of the present invention. As shown in Fig. 1, the power distribution network room includes a sub-station room A and a main station room B, and the monitoring system includes: set in the main station room B the control terminal 10; the sensor 30 and the monitoring host 50 arranged in the substation room A, wherein the sensor 30 is used to monitor the environmental parameters of the substation room A, and the monitoring host 50 is connected to the sensor 30 and the control terminal 10 respectively for Send the monitoring data to the control terminal 10, the monitoring data includes the environmental parameters of the substation building A and the location parameters of the substation building A, and the control terminal 10 is used to receive, store and display the monitoring data.

In this embodiment, the sensor 30 monitors the environmental parameters of the substation room A in real time, and transmits the monitored parameters to the monitoring host 50, and the monitoring host 50 sends the parameters together with the location parameters of the substation room A to the control terminal 10 , so that the control terminal 10 located at the main station B can obtain the environmental conditions of the sub-station building A in real time, and when the sub-station building A has water seepage or rainwater backflow, the operating personnel of the main station B can know the location of the sub-station building and the location of the sub-station building in time so that the operating personnel can rush to the scene to deal with it in time, so as to avoid equipment failure caused by water seepage or rainwater inversion. The power distribution substation monitoring system adopting this implementation method enhances the flood control monitoring capability of the distribution substation and saves human resources. Especially in the heavy rainfall season, the operation and maintenance personnel can timely Solve the problems of water leakage and water inflow in the station building, so that the equipment in the station building can operate safely. In addition, the control terminal 10 stores the monitoring data, so that the operation and maintenance personnel can query historical data, predict the situation of water leakage and water inflow according to the historical data, and do a good job in advance. Good flood preparedness.

At the same time, the system is an open system. All sensors that meet the technical standards can be connected to the system, and at the same time, it can support the data access requirements of more sub-stations, which is convenient for future expansion of system functions.

Fig. 2 is a power distribution network room monitoring system according to the second embodiment of the present invention. As shown in Fig. 2, the power distribution network room includes a plurality of sub-station rooms such as sub-station room A, sub-station room A', and a main station room B , the monitoring system includes: a server 11 and a client 13 arranged in the main station room B, and the server 11 and the client 13 jointly constitute a control terminal; arranged in the sub-station room A: for monitoring the temperature and humidity of the sub-station room A Temperature and humidity sensor 31, liquid level sensor 33 for monitoring the ground water depth of substation room A, water immersion line sensor 35 for monitoring whether there is water on the ground of substation room A, and for monitoring each sensor in substation room A The environmental parameters are sent to the monitoring host 50 of the server in the main station room; set in the sub-station room A': the temperature and humidity sensor 31' for monitoring the temperature and humidity of the sub-station room A', and for monitoring the ground water depth of the sub-station room A' The liquid level sensor 33' used to monitor whether there is water on the ground of the sub-station room A' is the water-immersion line sensor 35', and the sensor used to send the environmental parameters monitored by the sensors in the sub-station room A' to the main station room server Monitoring host 50'.

In this embodiment, each substation room is equipped with temperature and humidity sensors, liquid level sensors, water immersion line sensors and other sensors, and the monitoring host of each substation room gathers the parameters monitored by all the sensors together, The monitoring data is sent to the server in the main station room, and the operator can view the real-time data in the station by accessing the server through the client computer, which can effectively detect the changes in the ambient temperature and humidity in each sub-station room, and whether there is water ingress. Enhanced the flood control monitoring capability of power distribution substations, especially when there are many substations, it greatly saves human resources.

In order to feed back the environmental conditions of the substations to the operating personnel to the greatest extent so that the operating personnel can carry out more targeted inspection and maintenance work, it is necessary to make a reasonable layout according to the performance characteristics of the monitoring equipment.

Preferably, the temperature and humidity sensor is installed in any one or more of the following places: the high voltage room of the substation room, the low voltage room of the substation room, the transformer room of the substation room and the DC room of the substation room, using RS232/RS485 bus interface , connected to the monitoring host one by one in series.

Preferably, the liquid level sensor is arranged in the interlayer of the substation room of the distribution network, and the probe is placed in a puddle in the interlayer or a place with low terrain, and the water depth is calculated by feeling the pressure in the water.

Preferably, the flooding line sensor is arranged at any one or more of the following places: the door of the substation room, around the equipment in the substation room and around the cable compartment of the substation room. When the flooding line sensor detects water, The signal is fed back to the monitoring host, and the signal is sent back to the server. The operating personnel query the server through the client to get the signal, so that they can rush to the scene in time to deal with the water leakage problem. Preferably, in order for the maintenance personnel to accurately find the water leakage on site, the water immersion line sensor is equipped with an alarm at the same time, and when water is detected, the alarm sends out an alarm signal.

In order to facilitate the maintenance personnel to know the environmental data of the station in the sub-station, the monitoring host of each station includes: a touch screen, which is used to receive the environmental parameter viewing command input by the user, and display the environmental parameter according to the parameter viewing command.

In order to record the entry and exit information of each station building, preferably, the power distribution network room monitoring system according to the present invention also includes: access control, which is set at the main entrance door of the distribution network substation room, connected with the monitoring host, and used to record the substation The entry and exit information of the station, wherein the entry and exit information includes the time when the user enters the station building, and the monitoring host includes the entry and exit information into the monitoring data and sends it to the control terminal. Optionally, the access control adopts an electromagnetic lock design. When the power is turned on, the door can be attracted by magnetic force and can withstand an instant force of 300 kg. Electromagnetic locks are installed on the main entrance and exit doors in the station building, and bolts are installed on the rest of the doors, which can only be opened from the inside. Enter the station by swiping the card. When swiping the card, the remote control terminal can display the information of the person who swiped the card. When going out, use the button. An emergency switch is installed at the door to open/close the access control system.

In order to display abnormal information in time and facilitate the operation of the operator, the control terminal is also used to judge whether the environmental parameters in the monitoring data exceed the preset environmental parameter range, and send an alarm signal when the environmental parameter exceeds the preset environmental parameter range. Among them, The range of preset environmental parameters can be set by technicians according to the actual situation of each substation room, and the alarm signal includes pop-up windows and/or sound.

In order to achieve a better monitoring effect, the design of the control terminal follows the principle of intuitive visualization. In the face of the access scale of thousands of sub-stations in the future, it is necessary to be able to display the monitoring and alarm of all stations in an intuitive and visual way in real time. state. This enables the operation monitoring personnel to observe at a glance that a monitoring alarm has occurred in a specific station building, thereby improving monitoring efficiency. Therefore, the system controlling the terminal includes the following functions:

Implement monitoring function: with global monitoring function, you can intuitively see the monitoring and alarm status of each station; with single-station monitoring function, you can intuitively see the distribution and real-time monitoring status of monitoring points in a certain station; Open the door remotely, and can record and view the card swiping records.

Alarm processing function: When monitoring is abnormal, the station building and monitoring points can carry out obvious alarm status, support three alarm forms of pop-up window, sound, and SMS; alarm record query function and alarm dispatch processing function.

Query statistics function: alarm records, monitoring quantity changes, message sending record query functions; fault type, fault equipment, fault processing time statistics function.

System management functions: station building and measuring point information configuration functions; alarm rules and alarm form setting functions; user and authority control functions.

A system including a functional control terminal is used to make the monitoring perspective of the control terminal panoramic: it provides the function of viewing monitoring information from the overall situation, a single station, and a single measuring point, so that the monitoring personnel can view the monitoring status from multiple angles; the monitoring effect is visualized: The three-dimensional visualization method displays the spatial position and three-dimensional effect of the equipment in the station, and superimposes and displays the real-time monitoring data; the alarm forms are diversified: it supports various alarm forms such as pop-up windows, voice, and SMS, and can promptly notify the relevant monitoring personnel when a fault occurs; and the system Platform-based architecture: The system adopts platform-based research and development ideas, and is an open platform that can support the data access requirements of more sites and more types of monitoring equipment in the future.

The power distribution network room monitoring system in this specific embodiment has been installed and put into use in 4 sub-station rooms and the main station room of the distribution substation. The station room remotely monitors the environmental changes of each sub-station room through the control terminal, and can carry out various tasks in a more targeted manner.

From the above description, it can be seen that the present invention achieves the following technical effects: through the monitoring system of the power distribution station building, the operator of the station building can understand the current environmental conditions of each sub-station building in real time, and water seepage, In the event of problems such as backflow, it can be discovered in time and can be dealt with in time, which enhances the flood control monitoring capability of the station building and enables the equipment in the station building to operate safely. By setting the alarm signal, the response speed of the operating personnel is improved, and the inspection of the station building is carried out in a more targeted manner, which relieves the pressure of the operation inspection work. At the same time, through the access control management, the operation management is strengthened.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. power distribution network station monitoring system is characterized in that comprising:

Control terminal is arranged at the main website room of described power distribution network station;

Transducer is arranged at minute station of described power distribution network station, is used for monitoring the environmental parameter of described minute station; And

The monitoring main frame is arranged at described minute station, is connected respectively with described control terminal with described transducer, is used for sending Monitoring Data to described control terminal, and wherein, described Monitoring Data comprises the environmental parameter of described minute station and the location parameter of described minute station,

Described control terminal is used for receiving, store and showing described Monitoring Data.

2. power distribution network station monitoring system according to claim 1 is characterized in that, described transducer comprises:

Temperature Humidity Sensor is for the temperature and humidity of monitoring described minute station.

3. power distribution network station monitoring system according to claim 2 is characterized in that, described Temperature Humidity Sensor is arranged at following any place or many places:

The transformer room of the low-pressure chamber of the hyperbaric chamber of described minute station, described minute station, described minute station and the direct current chamber of described minute station.

4. power distribution network station monitoring system according to claim 1 is characterized in that, described transducer comprises:

Liquid level sensor is for the depth of water of monitoring described substation premises face.

5. power distribution network station monitoring system according to claim 4 is characterized in that, described liquid level sensor is arranged in the interlayer of described minute station.

6. power distribution network station monitoring system according to claim 1 is characterized in that, described transducer comprises:

Whether the immersion lines transducer has water for the ground of monitoring described minute station.

7. power distribution network station monitoring system according to claim 6 is characterized in that, described immersion lines sensor setting is in following any place or many places:

Around the equipment in the doorway of described minute station, the described minute station and around the cable cell of described minute station.

8. power distribution network station monitoring system according to claim 1 is characterized in that, described monitoring main frame comprises:

Touch display screen is used for receiving the environmental parameter viewing command that the user inputs, and shows described environmental parameter according to described parameter viewing command.

9. power distribution network station monitoring system according to claim 1 is characterized in that, described control terminal is used for also judging whether the environmental parameter of described Monitoring Data exceeds default environmental parameter scope; And during greater than described default environmental parameter, send alarm signal in described environmental parameter, wherein, described alarm signal comprises pop-up window and/or sounds.

10. power distribution network station monitoring system according to claim 1 is characterized in that,

Described system also comprises: the gate inhibition, and the master who is arranged at minute station of described power distribution network enters, and is connected with described monitoring main frame, is used for recording the discrepancy information of described minute station, and wherein, described discrepancy information comprises that the user enters the time of described station; And

Described Monitoring Data also comprises described discrepancy information.

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