CN116774629B - Intelligent monitoring module and method for relay protection outlet loop number - Google Patents
Intelligent monitoring module and method for relay protection outlet loop number Download PDFInfo
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- CN116774629B CN116774629B CN202310718317.8A CN202310718317A CN116774629B CN 116774629 B CN116774629 B CN 116774629B CN 202310718317 A CN202310718317 A CN 202310718317A CN 116774629 B CN116774629 B CN 116774629B
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- 238000000034 method Methods 0.000 title claims abstract description 15
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- 238000004891 communication Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of relay outlet loop monitoring, in particular to a relay protection outlet loop intelligent monitoring module and a method thereof. Compared with the traditional method, the technical scheme adopts an integrated design for monitoring the relay protection outlet loop, replaces the traditional method that a plurality of sensors are required to monitor the operation state of the pressing plate, transmits the data monitored by the monitoring module to the remote monitoring convergence module, and optimizes the monitoring structure of the relay protection outlet loop.
Description
Technical Field
The invention relates to the technical field of relay outlet loop monitoring, in particular to an intelligent monitoring module for relay protection outlet loop number and a method thereof.
Background
The relay is an electronic control device, which has a control system (also called an input loop) and a controlled system (also called an output loop), and is generally applied to an automatic control circuit, in order to ensure stable operation of the relay, a relay protection device is commonly used currently, and a pressing plate in the relay protection device refers to switching on and off a certain function of a software system, such as switching on and off a certain protection and control function, and is generally implemented by modifying a software control word protected by a microcomputer.
The patent publication number is: the patent document CN106841876B discloses a method for monitoring a relay protection outlet pressing plate, and the method can judge the missing input and the virtual connection simultaneously by combining a cascading triode and an optocoupler relay through the same voltage conversion loop, so that the input conditions of a tripping outlet pressing plate and a reclosing outlet pressing plate of a protection device can be judged, and whether the pressing plates are in virtual connection can be judged.
The inventor considers that the outlet verification is an important link in the relay protection work, the outlet loop needs to be verified through a plurality of times of switch, the loop of the tripping/closing contact of the outlet loop is a monitoring blind area, and the information of whether the loop is abnormal, whether the protection outlet contact acts normally, whether the pressing plate is reliably put into or not can not be known, so that the action reliability of the relay protection device is reduced, the protection refusing action caused by the abnormality of the outlet loop and the like are also caused, and the monitoring condition of the operation state of the pressing plate is not facilitated.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an intelligent monitoring module for the number of relay protection outlet loops and a method thereof, which solve the problems that the current relay protection device has a monitoring blind area on a pressing plate and is not beneficial to the stable operation of a relay.
The aim of the invention can be achieved by the following technical scheme:
the intelligent monitoring module for the number of the relay protection outlet loops at least comprises a screen cabinet, wherein at least one pressing plate and a monitoring module are arranged in the screen cabinet, a monitoring convergence module is arranged outside the screen cabinet, communication transmission connection is established between the monitoring convergence module and the monitoring module through a PB bus, and the pressing plate is electrically connected with the PB bus;
the clamp plate includes communication module, divide-shut brake return circuit, display and status indicator lamp, communication module with PB bus electricity is connected, divide-shut brake return circuit gate contact's upper and lower both ends all are provided with voltage sensing element, voltage sensing element will detect the voltage at clamp plate upper and lower both ends passes through the display shows, monitor the module of gathering is used for right the clamp plate carries out status monitoring and diagnostic analysis, status indicator lamp is used for showing the result of monitoring and analysis.
The monitoring convergence module is characterized in that a communication remote transmission module is arranged in the monitoring convergence module, the communication remote transmission module is a communication device based on 61850 communication ports, and data information remote transmission connection is established between the communication remote transmission module and an external monitoring terminal.
The switching circuit is characterized in that the switching circuit is also connected with an operation switching switch for controlling the switching of the switching circuit, and the switching contact of the switching circuit adopts a visual design.
Further, the status indicator lamp is a double-color lamp and is displayed as a red lamp and a green lamp, wherein the red lamp is turned on to indicate that the checking result of the operation state of the pressing plate is inconsistent, and the green lamp is turned on to indicate that the checking result of the operation state of the pressing plate is consistent.
Further, the PB bus adopts an RS485 and power supply integrated design, and integrates communication and power supply functions.
Further, the PB bus and the pressing plate are connected in parallel.
The display is any one of a CRT display, an LCD display or an LED display, and the display content is the voltage values of the upper end and the lower end of the pressing plate detected by the voltage sensing element and the opening and closing state of the opening and closing loop.
An operation method of an intelligent monitoring module for the number of relay protection outlet loops comprises the following steps:
when the pressing plate operates, the monitoring module monitors the operating state of the pressing plate in the screen cabinet in real time through the PB bus and transmits monitoring data to the monitoring convergence module;
the monitoring convergence module monitors the opening and closing states of the pressing plate after receiving the data monitored by the monitoring module, when the opening and closing loop of the pressing plate is in an opening state, the display is displayed as open, and when the opening and closing loop of the pressing plate is in a closing state, the display is displayed as closed;
and simultaneously, when the monitoring convergence module receives the data monitored by the monitoring module, the opening and closing of the pressing plate are diagnosed and analyzed through the monitoring convergence module.
Further, the content of the monitoring convergence module for performing diagnostic analysis on the opening and closing of the pressing plate comprises:
if the pressure plate is monitored to be in an open state and the actual result is in a closed state, the pressure plate running state check is inconsistent, and if the pressure plate is monitored to be in an open state and the actual result is also in an open state, the pressure plate running state check is consistent;
when the press plate operation state checks are inconsistent, the state indicator lamp is displayed in red, and when the press plate operation state checks are inconsistent, the state indicator lamp is displayed in green.
And when the voltage sensing element monitors the voltages at the upper end and the lower end of the pressing plate, the voltage sensing element displays the result through the display.
The invention has the beneficial effects that:
compared with the traditional method, the technical scheme adopts an integrated design for monitoring the relay protection outlet loop, replaces the traditional method that a plurality of sensors are needed to monitor the operation state of the pressing plate, adopts a communication technical means, transmits data monitored by the monitoring module on the operation state of the pressing plate to a remote monitoring convergence module, displays the state through a display and a state indicator lamp, monitors the operation state of the pressing plate by the convergence module for state monitoring and diagnosis analysis, improves the monitoring management efficiency of staff on the state of the pressing plate, and the intelligent degree of monitoring the relay protection outlet loop, overcomes the defect that errors easily occur in the traditional monitoring of the pressing plate, ensures reliable and reasonable monitoring of the operation state of the pressing plate of the relay outlet loop, and optimizes the monitoring structure of the relay protection outlet loop.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic circuit diagram of the present invention.
In the figure: 101. monitoring an aggregation module; 102. a monitoring module; 103. a screen cabinet; 104. a pressing plate; 1041. a communication module; 1042. a switching-on/off loop; 1043. a display; 1044. status indicator lights; 1045. a voltage sensing element; 1046. operating the on-off switch; 105. and PB bus.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the intelligent monitoring module for the relay protection outlet loop number comprises a screen cabinet 103, wherein a monitoring module 102 and a plurality of pressing plates 104 are arranged in the screen cabinet 103, a monitoring convergence module 101 is arranged outside the screen cabinet 103, and communication transmission connection is established between the monitoring convergence module 101 and the monitoring module 102 through a PB bus 105.
The clamp plate 104 includes communication module 1041, divide-shut brake return circuit 1042, display 1043 and status indicator lamp 1044, and communication module 1041 is connected with PB bus 105 electricity, and the upper and lower both ends of divide-shut brake return circuit 1042 gate contact all are provided with voltage sensing element 1045, and voltage sensing element 1045 will detect the voltage at clamp plate 104 upper and lower both ends and show through display 1043, monitors and gathers module 101 and is used for carrying out status monitoring and diagnostic analysis to clamp plate 104, and status indicator lamp 1044 is used for showing the result of monitoring and analysis.
In this embodiment, a communication remote transmission module is disposed in the monitoring convergence module 101, and the communication remote transmission module is a communication device based on 61850 communication ports, and establishes data information remote transmission connection with an external monitoring terminal through the communication remote transmission module.
In this embodiment, two screen cabinets 103 exist, two pressing plates 104 in the screen cabinets 103 are also provided, and in actual use, a plurality of pressing plates 104 in the screen cabinets 103 can be arranged, and all are connected with the monitoring module 102 through the PB bus 105, the monitoring module 102 arranged in the screen cabinets 103 is used for monitoring the on-off state of the pressing plates 104 in the screen cabinets 103, the monitoring convergence module 101 and the monitoring module 102 in each screen cabinet 103 are all connected with communication transmission, and a plurality of pressing plates 104 arranged in the screen cabinets 103 are all electrically connected with the PB bus 105 in sequence through a parallel connection mode.
In this embodiment, the opening and closing switch 1046 for controlling the opening and closing operation of the opening and closing circuit 1042 is further connected to the opening and closing circuit 1042, and the opening and closing condition of the opening and closing contact of the opening and closing circuit 1042 can be visually observed through the external structure of the screen cabinet 103 and the pressing plate 104 by adopting the visual design.
In this embodiment, the status indicator lamp 1044 is a dual-color lamp, and is displayed as a red lamp and a green lamp, where the red lamp is turned on to indicate that the operation status checking result of the pressing plate 104 is inconsistent, and the green lamp is turned on to indicate that the operation status checking result of the pressing plate 104 is consistent, and the PB bus 105 adopts an RS485 and power supply integrated design, which integrates the functions of communication and power supply.
In this embodiment, the display 1043 is any one of a CRT display, an LCD display or an LED display, and the content displayed by the display 1043 is the voltage values of the upper and lower ends of the pressing plate 104 detected by the voltage sensing element 1045 and the open/close state of the opening/closing circuit 1042.
Based on the design of the intelligent monitoring module for the number of the relay protection outlet loops, the invention also provides an operation method of the intelligent monitoring module for the number of the relay protection outlet loops, which comprises the following steps:
when the pressing plate 104 operates, the monitoring module 102 monitors the operation state of the pressing plate 104 in the screen cabinet 103 in real time through the PB bus 105, and transmits monitoring data to the monitoring convergence module 101;
after the monitoring convergence module 101 receives the data monitored by the monitoring module 102, the state monitoring is performed on the opening and closing of the pressing plate 104, when the opening and closing loop 1042 of the pressing plate 104 is in an open state, the display 1043 displays "on", and when the opening and closing loop 1042 of the pressing plate 104 is in a closed state, the display 1043 displays "off";
meanwhile, when the monitoring convergence module 101 receives the data monitored by the monitoring module 102, the monitoring convergence module 101 performs diagnostic analysis on the opening and closing of the pressing plate 104, and the content of the diagnostic analysis includes:
if the pressure plate 104 is monitored to be in an open state and the actual result is in a closed state, the operation state check of the pressure plate 104 is inconsistent, and if the pressure plate 104 is monitored to be in an open state and the actual result is also in an open state, the operation state check of the pressure plate 104 is consistent;
correspondingly, when the operation state check of the pressing plate 104 is inconsistent, the state indicator 1044 is displayed in red, and when the operation state check of the pressing plate 104 is inconsistent, the state indicator 1044 is displayed in green;
when the voltage sensing element 1045 monitors the voltages at the upper and lower ends of the platen 104 during monitoring, the result is displayed by the display 1043, so that the operator can conveniently examine the result and make corresponding adjustment.
When the monitoring module 102 monitors the operation states of the plurality of pressing plates 104 in the screen cabinet 103 through the PB bus 105, the voltages at the upper and lower ends of the pressing plates 104 are monitored through the voltage sensing elements 1045 arranged at the upper and lower ends of the gate contact of the opening and closing loop 1042, and are displayed through the display 1043, for example, the display 1043 displays that the voltages at the upper and lower ends of the pressing plates 104 are 220V and 0V, and the opening and closing loop 1042 is in the opening and closing state, the two pieces of information can be displayed simultaneously, and the information displays of the two pieces of information are mutually independent;
according to the scheme, the integrated design is adopted for monitoring the relay protection outlet loop, the defect that errors are easy to occur in the traditional monitoring of the pressing plate 104 is overcome by adopting a plurality of sensors to monitor the operation state of the pressing plate 104 instead of the traditional monitoring of the operation state of the pressing plate 104, the reliability of the monitoring of the operation state of the pressing plate 104 of the relay protection outlet loop is optimized, the device structure of the monitoring of the relay protection outlet loop is optimized, the monitoring management efficiency of staff on the state of the pressing plate 104 is improved, and the intelligent degree of the monitoring of the relay protection outlet loop is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (9)
1. The intelligent monitoring module for the number of the relay protection outlet loops at least comprises a screen cabinet (103), wherein at least one pressing plate (104) and a monitoring module (102) are arranged in the screen cabinet (103), and a monitoring convergence module (101) is arranged outside the screen cabinet (103), and the intelligent monitoring module is characterized in that communication transmission connection is established between the monitoring convergence module (101) and the monitoring module (102) through a PB bus (105), and the pressing plate (104) is electrically connected with the PB bus (105);
the pressure plate (104) comprises a communication module (1041), a switching-on/off loop (1042), a display (1043) and a status indicator lamp (1044), wherein the communication module (1041) is electrically connected with the PB bus (105), voltage sensing elements (1045) are arranged at the upper end and the lower end of a gate contact of the switching-on/off loop (1042), the voltage sensing elements (1045) are used for displaying the detected voltages at the upper end and the lower end of the pressure plate (104) through the display (1043), the monitoring convergence module (101) is used for carrying out status monitoring and diagnostic analysis on the pressure plate (104), and the status indicator lamp (1044) is used for displaying the monitoring and analysis results;
the content of the monitoring convergence module (101) for performing diagnostic analysis on the opening and closing of the pressing plate (104) comprises the following steps:
if the pressure plate (104) is monitored to be in an open state and the actual result is in a closed state, the operation state check of the pressure plate (104) is inconsistent, and if the pressure plate (104) is monitored to be in an open state and the actual result is also in an open state, the operation state check of the pressure plate (104) is consistent;
when the operation state checks of the pressing plates (104) are inconsistent, the state indicator lamps (1044) are displayed in red, and when the operation state checks of the pressing plates (104) are inconsistent, the state indicator lamps (1044) are displayed in green.
2. The intelligent monitoring module for the number of relay protection outlet loops according to claim 1, wherein a communication remote transmission module is arranged in the monitoring convergence module (101), the communication remote transmission module is a communication device based on 61850 communication ports, and data information remote transmission connection is established between the communication remote transmission module and an external monitoring terminal.
3. The intelligent monitoring module for the number of relay protection outlet circuits according to claim 1, wherein the opening and closing circuit (1042) is further connected with an operation opening and closing switch (1046) for controlling the opening and closing of the opening and closing circuit, and the opening and closing contacts of the opening and closing circuit (1042) are in a visual design.
4. The relay protection outlet circuit number intelligent monitoring module according to claim 1, wherein the status indicator lights (1044) are two-color lights, and are displayed as red lights and green lights, wherein a red light is turned on to indicate that the operation status check result of the pressing plate (104) is inconsistent, and a green light is turned on to indicate that the operation status check result of the pressing plate (104) is consistent.
5. The intelligent monitoring module for the number of relay protection outlet loops according to claim 1, wherein the PB bus (105) is designed by integrating RS485 and power supply, and integrates communication and power supply functions.
6. A relay protection outlet circuit number intelligent monitoring module according to claim 1, characterized in that the PB bus (105) and the pressure plate (104) are connected in parallel.
7. The relay protection outlet circuit number intelligent monitoring module according to claim 1, wherein the display (1043) is any one of a CRT display, an LCD display or an LED display, and the display (1043) displays voltage values of upper and lower ends of the pressing plate (104) detected by the voltage sensing element (1045) and an opening/closing state of the opening/closing circuit (1042).
8. A method of operating a relay protection outlet circuit number intelligent monitoring module according to any one of claims 1-7, comprising the steps of:
when the pressing plate (104) operates, the monitoring module (102) monitors the operating state of the pressing plate (104) in the screen cabinet (103) in real time through the PB bus (105) and transmits monitoring data to the monitoring convergence module (101);
after the monitoring convergence module (101) receives the data monitored by the monitoring module (102), the state monitoring is carried out on the opening and closing of the pressing plate (104), when an opening and closing loop (1042) of the pressing plate (104) is in an opening state, a display (1043) is displayed as being on, and when the opening and closing loop (1042) of the pressing plate (104) is in a closing state, the display (1043) is displayed as being off;
meanwhile, when the monitoring convergence module (101) receives the data monitored by the monitoring module (102), the monitoring convergence module (101) is used for carrying out diagnostic analysis on the opening and closing of the pressing plate (104).
9. The method for operating the intelligent monitoring module for the number of relay protection outlet circuits according to claim 8, wherein voltage sensing elements (1045) are arranged at the upper end and the lower end of a gate contact of the opening and closing circuit (1042), and when the voltage sensing elements (1045) monitor voltages at the upper end and the lower end of the pressing plate (104), the results are displayed through the display (1043).
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| CN202310718317.8A CN116774629B (en) | 2023-06-16 | 2023-06-16 | Intelligent monitoring module and method for relay protection outlet loop number |
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| CN202310718317.8A CN116774629B (en) | 2023-06-16 | 2023-06-16 | Intelligent monitoring module and method for relay protection outlet loop number |
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| CN116774629B true CN116774629B (en) | 2024-01-23 |
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| CN117554799A (en) * | 2023-11-24 | 2024-02-13 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent monitoring state verification method and system for relay protection outlet loop number |
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| CN116774629A (en) | 2023-09-19 |
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