CN104155960A - Unattended environment monitoring system for transformer substation - Google Patents

Abstract

An unattended environment monitoring system for a substation provided by the present invention includes a detection module for detecting environmental parameters in the substation, an information collection module, a processing module, an output module, a monitoring center and a remote output module; the detection module Detect the environmental parameters in the substation and output parameter information to the information collection module. After processing, the information collection module outputs the processed parameter information to the processing module. The processing module processes each parameter information and outputs it through the output module. The processing module and the monitoring center For data interaction, the monitoring center outputs monitoring information through the remote output module; the substation unattended environment monitoring system provided by the present invention can monitor the environment of the substation around the clock, and when the environmental parameters are normal, there will be no error personnel on duty, saving labor costs.

Description

Substation unattended environmental monitoring system

technical field

The invention relates to a monitoring system, in particular to an unattended environment monitoring system for substations. the

Background technique

With the development of production technology, the requirements for power supply in various industries are getting higher and higher. Therefore, in order to ensure a stable and reliable supply of power, it is not only necessary to carry out careful inspection and maintenance of each power supply equipment in the power grid, but also for power supply The environment of the substation where the equipment is installed must also be effectively monitored. The environment of the substation will also affect the performance of the power supply equipment and the stability of the power supply. the

The traditional way of monitoring the environment of substations is often through human inspections, because human inspections can only be detected regularly or irregularly, with a certain time interval in the middle, and changes in the environmental parameters of substations within this time interval And can be effectively monitored, it is prone to missed detection or inaccurate detection results, resulting in power supply accidents caused by changes in substation environmental parameters; in order to improve the accuracy of monitoring results and monitor all-weather, intelligent monitoring systems have gradually emerged, and then The existing intelligent monitoring system, such as monitoring through cameras, still has the following problems: the monitoring results need to be screened and compared by the monitoring personnel from the huge and complex detection data, and the abnormal data is screened out by manpower, so data omissions often occur. Abnormalities can be detected in time, and once an accident occurs in a certain substation, such as fire, flooding and other accidents, the accident substation cannot be regulated immediately, and can only be dealt with after the rescue workers arrive at the scene, which increases the accident loss. the

Therefore, it is necessary to propose a new environmental monitoring system for substations, which can monitor the environment of substations around the clock, and does not require personnel to be on duty when the environmental parameters are normal, saving labor costs. the

Contents of the invention

In view of this, the purpose of the present invention is to provide an unattended environment monitoring system for substations, which can monitor the environment of the substation around the clock and be on duty without error when the environmental parameters are normal, saving labor costs. the

An unattended environment monitoring system for a substation provided by the present invention includes a detection module for detecting environmental parameters in the substation, an information collection module, a processing module, an output module, a monitoring center and a remote output module;

The detection module detects the environmental parameters in the substation and outputs parameter information to the information collection module, and the information collection module outputs the processed parameter information to the processing module after processing, and the processing module outputs through the output module after processing each parameter information. The module performs data interaction with the monitoring center, and the monitoring center outputs monitoring information through the remote output module. the

Further, the detection module includes one or a combination of two or more of a smoke sensor, a temperature sensor, a humidity sensor or a water level sensor, and the output terminals of each sensor in the detection module are connected to the input terminals of the information collection module . the

Further, the processing module and the monitoring center perform data interaction through a wireless transmission module, and the wireless transmission module is a 3G module or a 4G module. the

Further, the monitoring system also includes a video monitoring subsystem, the video monitoring subsystem includes at least one camera for image acquisition in the substation and an image processor connected to the camera, the image processor and the processing Modules interact with each other. the

Further, the monitoring system also includes a lighting control subsystem, the lighting control subsystem includes an ambient light sensor, a lighting controller, at least one emergency lighting device and a control switch corresponding to the emergency lighting device, the ambient light sensor The detected ambient light information is transmitted to the lighting controller, and the lighting controller outputs control commands to the control switch according to the ambient light information, and the control switch controls the on-off of the power supply path of the emergency lighting equipment according to the control command of the lighting controller. The controller performs data interaction with the processing module. the

Further, the lighting control subsystem also includes an emergency power supply and an emergency power switch, the emergency power supply provides lighting power to emergency lighting equipment, and the emergency power switch is equal to the number of emergency lighting equipment and receives the control output from the lighting controller The command controls the on-off of the circuit between the emergency power supply and the emergency lighting equipment. the

Further, the output module includes an alarm and a display, and the input terminals of the alarm and the display are connected to the output terminals of the processing module. the

Further, the remote output module includes one or a combination of two or more of a remote alarm, a power controller, a monitoring display, and a fire alarm, and the remote alarm, a power controller, a monitoring display, and a fire alarm The input ends are all connected with the monitoring center. the

Beneficial effects of the present invention: The substation unattended environment monitoring system provided by the present invention can monitor the environment of the substation around the clock, and when the environmental parameters are normal, there will be no mistaken personnel on duty, saving labor costs. When flooding or fire accidents occur , can adjust the auxiliary equipment of the substation in time to avoid further deterioration of the accident, and can also help rescuers to discharge the accident in time to avoid major losses. the

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment:

Fig. 1 is a functional block diagram of the first embodiment of the present invention. the

Fig. 2 is a functional block diagram of the second embodiment of the present invention. the

Fig. 3 is a functional block diagram of the third embodiment of the present invention. the

Detailed ways

Fig. 1 is the principle block diagram of the first embodiment of the present invention, Fig. 2 is the principle block diagram of the second embodiment of the present invention, Fig. 3 is the principle block diagram of the third embodiment of the present invention, as shown in the figure, the present invention provides An unattended environment monitoring system for a substation, including a detection module for detecting environmental parameters in the substation, an information collection module, a processing module, an output module, a monitoring center, and a remote output module;

The detection module detects the environmental parameters in the substation and outputs parameter information to the information collection module, and the information collection module outputs the processed parameter information to the processing module after processing, and the processing module outputs through the output module after processing each parameter information. The module performs data interaction with the monitoring center, and the monitoring center outputs monitoring information through the remote output module; the substation unattended environment monitoring system provided by the present invention can monitor the environment of the substation around the clock, and there is no error when the environmental parameters are normal. , saving labor costs;

Among them, the information acquisition module is an integrated circuit integrated with an amplifier circuit, a filter circuit and an A/D conversion circuit, which is convenient for processing the signal output by the detection module, and outputs an easily identifiable processing signal to the processing module. The information acquisition module can use a single channel integrated circuit, then the output of each sensor is provided with an information acquisition module, of course, a multi-channel integrated circuit can also be used, and the signals output by each sensor are processed by the integrated circuit, and the multi-channel or single-channel integrated circuit is used according to the The actual situation and cost budget need to be selected;

Processing module, described processing module adopts single-chip microcomputer, such as AVR series single-chip microcomputer, has powerful processing capability, certainly, other single-chip microcomputers can realize the purpose of the present invention equally, such as ATMEL single-chip microcomputer, preset the threshold value of each environmental parameter in processing module, For example, the smoke threshold, temperature threshold, humidity threshold and water level threshold, of course, the smoke threshold and the water level threshold can be set to 0, and the smoke threshold and the water level threshold can also be set to a certain positive value, that is, when the smoke As long as the flue gas value and water level value output by the sensor and water level sensor are greater than 0, the alarm can be activated. When the flue gas threshold or water level threshold reaches the set positive threshold, the fire alarm will be activated immediately, and a temperature threshold is also set in the processing module. Compared with the humidity threshold, the current temperature parameter and humidity parameter are respectively compared with the temperature threshold and the humidity threshold, and if the limit is exceeded, an alarm message is output through the processing module. the

In this embodiment, the detection module includes one or a combination of two or more of a smoke sensor, a temperature sensor, a humidity sensor or a water level sensor, and the output terminals of each sensor in the detection module are connected to the information collection module. The input terminal is connected, and the environmental parameters in the substation can be detected through the above-mentioned sensors, and all-weather monitoring can be realized. the

In this embodiment, the processing module and the monitoring center perform data interaction through a wireless transmission module, the wireless transmission module is a 3G module or a 4G module, and data interaction is performed through the wireless transmission module, which can effectively avoid complicated line connections, and can Greatly reduce the cost of use and avoid work such as line maintenance in line connection. the

In this embodiment, as shown in Figure 2, the monitoring system also includes a video monitoring subsystem, and the video monitoring subsystem includes at least one camera for image acquisition in the substation and an image processor connected to the camera , the image processor performs data interaction with the processing module, wherein the camera is set in a rotatable manner, which can expand the monitoring range of a single camera, and the rotation of the camera is controlled by the image processor. When in a normal state, the camera is stationary Monitor the state and monitor the preset monitoring target. Once an accident occurs, the monitoring center will send an instruction to the processing module, and then transmit it to the image processor through the processing module to drive the camera to rotate and scan the state to observe the location of the accident. and state, the image processor processes the image output by the camera and transmits it to the monitoring center through the processing module. Through the function of the video subsystem, the situation in the substation can be fully grasped, which is convenient for the staff of the monitoring center to make correct judgments and Handling measures. the

In this embodiment, as shown in FIG. 3 , the monitoring system further includes a lighting control subsystem, and the lighting control subsystem includes an ambient light sensor, a lighting controller, at least one emergency lighting device, and an emergency lighting device corresponding to the emergency lighting device. The ambient light sensor detects the ambient light information and transmits it to the lighting controller, and the lighting controller outputs a control command to the control switch according to the ambient light information, and the control switch controls the power supply of the emergency lighting equipment according to the control command of the lighting controller When the light in the substation is insufficient, the light controller and the processing module perform data interaction, and the emergency lighting equipment supplements the light when the light in the substation is insufficient. When the light information output by the ambient light sensor is used for lighting control, the lighting controller compares the current ambient light with the preset value. When the current ambient light is less than the preset value, the lighting controller outputs a control command to close the control switch, and the emergency lighting equipment Carry out supplementary light; when the emergency lighting equipment is in the lighting state, if the ambient light received by the lighting controller (at this time, the ambient light includes natural light, light from other lighting equipment and light from emergency lighting equipment) is greater than the preset value, the lighting The control output control command is to turn off the control switch. If the ambient light information is less than the preset value after the control switch is turned off, the control switch will return to the closed state, and the emergency lighting equipment will continue to fill the light. If the control switch is turned off, If the ambient light information is still greater than the preset value, then the control switch is disconnected, and the emergency lighting equipment stops supplementary light. Through the function of the lighting control subsystem, on the one hand, it can ensure that the camera can obtain clear image information, which is convenient for making accurate judgments. On the one hand, it can effectively avoid the waste of electric energy and save energy. Among them, during the supplementary light process of emergency lighting equipment, the electricity required for lighting is provided by the power supply of the substation. the

In this embodiment, the lighting control subsystem also includes an emergency power supply and an emergency power switch, the emergency power supply provides lighting power to the emergency lighting equipment, and the number of the emergency power switch is equal to that of the emergency lighting equipment and receives the light controller The output control command controls the on-off of the circuit between the emergency power supply and the emergency lighting equipment. If an accident occurs in the substation and the power supply of the substation itself cannot be used, the emergency power switch is closed at this time, and the emergency lighting equipment is powered by the emergency power supply, and monitoring The center issues a control command, and the lighting control sends a control command to the emergency control switch and controls the emergency control switch, so that the emergency lighting equipment of the important power supply equipment works, while other relatively unimportant emergency lighting equipment does not work, so that the important and important The monitoring of the power supply equipment provides continuous and stable lighting, which is conducive to the rescue of important equipment by rescuers. Among them, the image processor and the lighting controller all use the existing single-chip microcomputer. the

In this embodiment, the output module includes an alarm and a display, and the input terminals of the alarm and the display are connected to the output of the processing module. Through the function of the output module, the staff of the substation that has sent an accident can be notified in time to quickly reach the The location of the accident, and clearly understand the cause of the accident through the display. the

In this embodiment, the remote output module includes one or a combination of two or more of a remote alarm, a power controller, a monitoring display and a fire alarm, and the remote alarm, a power controller, a monitoring display and The input ends of the fire alarms are all connected to the monitoring center. Through the function of the remote output module, on the one hand, the staff of the monitoring center can be notified in time to arrive at the post quickly, and the situation of the substation where the accident has occurred is understood and made Corresponding treatment measures, and according to the situation of the accident, the power supply of the substation that has already occurred is cut off through power control, so as to avoid more serious accidents and cause major economic losses. , Eliminate accidents, wherein, the monitoring center in the above refers to the server of the monitoring center, the power controller and the fire alarm can be realized by the existing technology, and will not be repeated here. the

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention. the

Claims (8)

1. the unattended operation environment of a transformer station supervisory system, is characterized in that: comprise detection module, information acquisition module, processing module, output module, Surveillance center and long-range output module for the environmental parameter in transformer station is detected;

Described detection module detects environmental parameter in transformer station output parameter information to information acquisition module, information acquisition module is processed backward processing module and is exported parameter information after treatment, processing module is exported by output module after each parameter information is processed, described processing module and Surveillance center carry out data interaction, and Surveillance center is by long-range output module output monitoring information.

2. the unattended operation environment of transformer station supervisory system according to claim 1, it is characterized in that: described detection module comprises one or both and above combination of flue gas sensor, temperature sensor, humidity sensor or level sensor, and the output terminal of the each sensor in described detection module is all connected with the input end of information acquisition module.

3. the unattended operation environment of transformer station supervisory system according to claim 2, is characterized in that: described processing module and Surveillance center carry out data interaction by wireless transport module, described wireless transport module is 3G module or 4G module.

4. the unattended operation environment of transformer station supervisory system according to claim 1, it is characterized in that: described supervisory system also comprises video monitoring subsystem, described video monitoring subsystem comprises that at least one video camera that carries out image acquisition in transformer station and the image processor that is connected with video camera, described image processor and described processing module are carried out data interaction.

5. the unattended operation environment of transformer station supervisory system according to claim 1, it is characterized in that: described supervisory system also comprises light control subsystem, described light control subsystem comprises ambient light sensor, lamp dimmer, at least one emergency-lighting set and with the gauge tap of the corresponding setting of emergency-lighting set, described ambient light sensor testing environment optical transmission of information is to lamp dimmer, described lamp dimmer is exported control command according to surround lighting information to gauge tap, gauge tap is according to the break-make of the supply access of the control command control emergency-lighting set of lamp dimmer, described lamp dimmer and described processing module are carried out data interaction.

6. the unattended operation environment of transformer station supervisory system according to claim 5, it is characterized in that: described light control subsystem also comprises emergency power pack and emergency power pack switch, described emergency power pack provides mains lighting supply to emergency-lighting set, the connecting and disconnecting of the circuit between described emergency power pack switch equates with the number of emergency-lighting set and receiving light optical controller is exported control command control emergency power pack and emergency-lighting set.

7. the unattended operation environment of transformer station supervisory system according to claim 1, is characterized in that: described output module comprises alarm and display, the input end of described alarm and display is all connected with processing module output terminal.

8. the unattended operation environment of transformer station supervisory system according to claim 1, it is characterized in that: described long-range output module comprises a kind of or two kinds and the above combination in long-distance alarm apparatus, power-supply controller of electric, display and fire protection warning device, and the input end of described long-distance alarm apparatus, power-supply controller of electric, display and fire protection warning device is all connected with described Surveillance center.