CN113946135A - Circuit breaker mechanism test monitoring device based on PLC - Google Patents
Circuit breaker mechanism test monitoring device based on PLC Download PDFInfo
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- CN113946135A CN113946135A CN202010683135.8A CN202010683135A CN113946135A CN 113946135 A CN113946135 A CN 113946135A CN 202010683135 A CN202010683135 A CN 202010683135A CN 113946135 A CN113946135 A CN 113946135A
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- relay
- breaker mechanism
- circuit breaker
- energy storage
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1108—Relay module
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
A breaker mechanism test monitoring device based on PLC comprises a power supply module, a PLC module and a relay module; the power supply module is connected with the circuit breaker mechanism and used for supplying power to the circuit breaker mechanism, and the circuit breaker mechanism comprises an energy storage motor, a closing electromagnet and an opening electromagnet; the PLC module is connected with the relay module, the relay module is connected with the breaker mechanism, and the PLC module is used for controlling the breaker mechanism to realize series actions of energy storage, closing and opening. The testing and monitoring device has the functions of circuit breaker running-in testing energy storage, switching-on, switching-off and counting, and has the automatic monitoring and alarming functions of circuit breaker mechanism switching-on and switching-off linkage abnormity and other types of abnormity.
Description
Technical Field
The invention relates to the technical field of electricity, in particular to a circuit breaker mechanism testing and monitoring device based on a PLC.
Background
The common abnormal types of the circuit breaker mechanism are as follows: 1. closing and opening linkage abnormity: the circuit breaker mechanism product requires very high reliability, the abnormality which is easy to occur is that the mechanical self-locking is not successful after the mechanism is closed, so that the abnormal opening is directly caused, and the whole process is completed instantly, so that the abnormality is difficult to find in the running-in test process; 2. other exceptions in the test procedure: due to the fact that the mechanism running-in test is generally carried out by one person and a plurality of machines in order to improve the working efficiency, various abnormalities can cause forced interruption of the mechanism running-in test, personnel can hardly find the abnormalities, the abnormality is mistakenly considered to be normally finished in running-in, and problems are sent to clients. In the prior art, as shown in fig. 1, after a mechanism is switched ON, the delay time is not reached, if an auxiliary switch signal is ON, the mechanism is explained to be automatically switched off, linkage abnormality occurs, and a shutdown alarm is performed; if the mechanism does not store energy for the next time after the energy storage of the mechanism starts and the time reaches X + Y (Y is a positive number), the abnormal condition occurs in the running-in test process of the mechanism, and the machine is stopped to alarm; the prior art scheme can simply control the automatic running-in operation of the breaker mechanism, and cannot monitor and alarm the linkage and other abnormal shutdown defects of the mechanism.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a PLC-based circuit breaker mechanism testing and monitoring apparatus, which has functions of storing energy, closing, opening and counting during break-in testing of a circuit breaker, and has an automatic monitoring and alarming function for abnormal closing and opening linkage of the circuit breaker mechanism and other types of abnormalities.
The invention is realized by the following technical scheme:
a breaker mechanism test monitoring device based on PLC is characterized by comprising a power supply module, a PLC module and a relay module;
the power supply module is connected with the circuit breaker mechanism and used for supplying power to the circuit breaker mechanism, and the circuit breaker mechanism comprises an energy storage motor, a closing electromagnet and an opening electromagnet;
the PLC module is connected with the relay module, the relay module is connected with the breaker mechanism, and the PLC module is used for controlling the breaker mechanism to realize series actions of energy storage, closing and opening.
Further, the PLC module comprises three ports Y01, Y02 and Y03, the relay module comprises a first relay, a second relay and a third relay, the three ports Y01, Y02 and Y03 are respectively connected with the first relay, the second relay and the third relay of the relay module, and the first relay, the second relay and the third relay of the relay module are respectively driven and controlled through the three ports Y01, Y02 and Y03.
Further, the first relay is connected with the energy storage motor, the second relay is connected with the closing electromagnet, and the third relay is connected with the opening electromagnet;
whether the microswitch of the mechanism is effectively triggered is detected through the port of the first relay, so that whether the energy storage action of the energy storage motor is finished is judged, and if the energy storage action of the energy storage motor is detected to be finished, the energy storage motor is electrified for 0.6 second in a delayed mode, so that the energy storage of the energy storage motor of the circuit breaker mechanism is fully finished;
the power supply module is used for electrifying the closing electromagnet for 0.6 second to realize closing of the circuit breaker mechanism, after the closing delay time is 1 second, the power supply module is used for electrifying the opening electromagnet for 0.6 second to realize opening of the circuit breaker mechanism, and after the opening delay time is 1 second, the next cycle is automatically switched to.
The test monitoring device further comprises a touch screen module, and the whole test monitoring device is controlled to start and stop by operating the touch screen module.
Further, the system also comprises status indicator lamps for energy storage, closing and opening, the status indicator lamps are respectively used for monitoring the port statuses of Y01, Y02 and Y03 of the PLC module and displaying the port statuses of Y01, Y02 and Y03 of the PLC module on a screen.
Further, the circuit breaker mechanism further comprises a counter, and the counter is used for counting the running-in times of the circuit breaker mechanism.
Furthermore, the running-in program controls the on-off of the port of the third relay once every time through the Y13 port of the PLC module, the counter counts once, when the running-in test is completed, the counting zero clearing operation is carried out, and the action cycle comprises three actions of energy storage, closing and opening once.
Furthermore, each of the three actions of energy storage, closing and opening is relatively independent, and when one action is executed, other actions do not work.
Furthermore, after any one of the three actions of energy storage, closing and opening is completed, 1-2 seconds are needed for the whole breaker mechanism to be stable, and then the next action is carried out.
The technical scheme of the invention can realize the following beneficial technical effects:
the device automatically judges whether the breaker mechanism is abnormal in closing and opening linkage or other abnormal conditions which cause that the breaker mechanism cannot normally break in by monitoring the time point of signal switching of the auxiliary switch, greatly ensures the quality reliability of the mechanism before leaving a factory and reduces the dependence on monitoring by personnel;
the automatic break-in system utilizes the control technology of the PLC, adds an automatic monitoring and alarming prompting function for abnormal on-off linkage of the breaker mechanism and other abnormal conditions which cause abnormal operation in the traditional automatic break-in system, and can monitor whether the linkage of the mechanism occurs or not and other abnormal conditions which cause shutdown in the automatic break-in test process of the control mechanism, thereby monitoring the quality defects of the breaker mechanism more intelligently and ensuring the performance stability of the breaker mechanism.
Drawings
FIG. 1 is a schematic control flow diagram of the prior art;
FIG. 2 is a control wiring diagram of the present invention;
FIG. 3 is a ladder control routine of the present invention;
FIG. 4 is a diagram of a touch screen operation and display interface of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The invention discloses a circuit breaker mechanism test monitoring device based on a PLC (programmable logic controller), which comprises a power supply module (not shown in the figure), a PLC module 100 and a relay module 200, as shown in figure 2.
The running-in test process of the circuit breaker mechanism generally comprises three actions of energy storage, closing and opening, related electrical elements are installed before running-in, the related electrical elements comprise an energy storage motor 11, a closing electromagnet 12 and an opening electromagnet 13, and the test monitoring device controls the energy storage motor 11, the closing electromagnet 12 and the opening electromagnet 13 of the circuit breaker mechanism to realize a series of actions of energy storage, closing and opening of the circuit breaker mechanism, so that the automatic running-in control function is realized.
Each of the three actions of energy storage, closing and opening is relatively independent action, namely when one action is executed, other actions do not work.
In one embodiment of the invention, the closing electromagnet or the opening electromagnet is electrified for 0.6 second, so that the service life of the electromagnet is prevented from being damaged due to long-time electrification. The energy storage motor 11 drives the breaker mechanism to store energy, the energy storage zone bit triggers a micro switch of the breaker mechanism, an X003 contact forms a passage in fig. 3 to realize subsequent switching-on action, the breaker mechanism is mechanically self-locked after switching-on is finished, then the switching-on state is kept, and when the next action instruction is received, the electromagnet impacts to unlock, so that the switching-on action is finished.
After any one of the three actions of energy storage, closing and opening is finished, the time of 1-2 seconds is needed to stabilize the whole breaker mechanism, and then the next action is carried out. That is, when waiting for the next action command, the closing or opening action is completed first, and then the next action is performed after waiting for 1-2 seconds.
The PLC module of the test monitoring device comprises three ports Y01, Y02 and Y03, three ports Y01, Y02 and Y03 are respectively connected with a first relay 210, a second relay 220 and a third relay 230 of the relay module, the first relay, the second relay and the third relay of the relay module are respectively driven and controlled through the three ports Y01, Y02 and Y03, the microswitch of the X03 port detection mechanism of the first relay 210 is effectively triggered, so that whether the energy storage action of the energy storage motor is completed is judged, if the energy storage action of the energy storage motor is completed, the energy storage motor is powered on for about 1 second in a delayed mode, and the energy storage of the energy storage motor of the breaker mechanism is fully completed. And then the power supply module is used for electrifying the closing electromagnet for 0.6 second to realize closing of the circuit breaker mechanism, after 1 second of delay after closing is finished, the power supply module is used for electrifying the opening electromagnet for 0.6 second to realize opening of the circuit breaker mechanism, and after 1 second of delay after opening is finished, the next cycle is automatically switched to. The first relay 210 is connected with the energy storage motor, the second relay 220 is connected with the closing electromagnet 12, and the third relay 230 is connected with the opening electromagnet 13.
In order to more conveniently operate and more visually observe the running state of the circuit breaker mechanism, the test monitoring device also comprises a touch screen module, and the whole test monitoring device is operated and controlled to start and stop by operating the touch screen module of the test monitoring device; the test monitoring device further comprises status indicator lamps for energy storage, closing and opening, the status indicator lamps are used for respectively monitoring the port statuses of Y01, Y02 and Y03 of the PLC, and the port statuses of Y01, Y02 and Y03 of the PLC are displayed on a touch screen interface in fig. 4.
The test monitoring device can further comprise a counter, specifically, the counter is a C235 counter, the counting function of the running-in times of the breaker mechanism is realized through the C235 counter, the ladder diagram control program in fig. 3 controls the on-off of the X01 port once through triggering a Y13 port of the PLC module, a Y13 port is connected with an X01 port of the third relay 230, each action cycle (three actions of energy storage, closing and opening are performed in one action cycle), the counting of the counter is realized once, counting data are transmitted to the register, the counting data are displayed on the touch screen, when the running-in test is completed, counting zero clearing operation is performed, the reset technic C235 is connected through the X04 port, and the zero clearing function is realized. The stop function is controlled by the M90 auxiliary relay in the ladder control routine of fig. 3.
Specifically, in an embodiment of the present invention, the closing and opening linkage abnormity monitoring and alarming function is implemented as follows: the whole running-in control system is built on the basis of a PLC module, the running-in control system is set according to a program, the circuit breaker mechanism is delayed for 1 second after the completion of the closing action and then is switched off, the circuit breaker mechanism starts to monitor the on-off state of the circuit breaker mechanism after the completion of the closing action for 0.6 second (about the general 100ms of the closing process) in the delay process, if the state after the switching-off state is found, the abnormal automatic switching-off linkage after the closing of the circuit breaker mechanism is shown, the system can automatically stop the running-in test, and meanwhile, the alarm lamp flickering and lifting linkage is given an alarm on a touch screen.
Specifically, other abnormal monitoring and alarming functions in the test process are as follows: the whole running-in test process of the mechanism can be completed within a certain time, for example, one time of energy storage, closing and opening actions can be completed within X time, and the auxiliary switch can complete contact switching within X time. If the auxiliary switch contact is not switched after X time, the running-in test process is abnormal, and the switching time of the monitoring contact is properly prolonged in order to ensure the monitoring accuracy. At the moment, the system can automatically reset and stop operation, and alarm prompt is carried out.
In summary, the present invention provides a circuit breaker mechanism test monitoring device based on PLC, which includes a power module, a PLC module and a relay module; the power supply module is connected with the circuit breaker mechanism and used for supplying power to the circuit breaker mechanism, and the circuit breaker mechanism comprises an energy storage motor, a closing electromagnet and an opening electromagnet; the PLC module is connected with the relay module, the relay module is connected with the breaker mechanism, and the PLC module is used for controlling the breaker mechanism to realize series actions of energy storage, closing and opening. The testing and monitoring device has the functions of circuit breaker running-in testing energy storage, switching-on, switching-off and counting, and has the automatic monitoring and alarming functions of circuit breaker mechanism switching-on and switching-off linkage abnormity and other types of abnormity. The device automatically judges whether the breaker mechanism is abnormal in closing and opening linkage or other abnormal conditions which cause that the breaker mechanism cannot normally break in by monitoring the time point of signal switching of the auxiliary switch, thereby greatly ensuring the quality reliability of the mechanism before leaving a factory and reducing the dependence of monitoring by personnel; according to the invention, a PLC control technology is utilized, an automatic monitoring and alarming prompting function for abnormal switching-on and switching-off linkage abnormity of the circuit breaker mechanism and other abnormal conditions causing abnormal operation is added in a traditional automatic running-in system, whether the linkage of the mechanism occurs or not and other abnormal conditions causing shutdown can be automatically monitored in the automatic running-in test process of the control mechanism, the quality defect of the circuit breaker mechanism is monitored more intelligently, and the performance stability of the circuit breaker mechanism is ensured.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. A breaker mechanism test monitoring device based on PLC is characterized by comprising a power supply module, a PLC module and a relay module;
the power supply module is connected with the circuit breaker mechanism and used for supplying power to the circuit breaker mechanism, and the circuit breaker mechanism comprises an energy storage motor, a closing electromagnet and an opening electromagnet;
the PLC module is connected with the relay module, the relay module is connected with the breaker mechanism, and the PLC module is used for controlling the breaker mechanism to realize series actions of energy storage, closing and opening.
2. The circuit breaker mechanism test monitoring device of claim 1, wherein the PLC module comprises three ports of Y01, Y02 and Y03, the relay module comprises a first relay, a second relay and a third relay, the three ports of Y01, Y02 and Y03 are respectively connected with the first relay, the second relay and the third relay of the relay module, and the first relay, the second relay and the third relay of the relay module are respectively driven and controlled through the three ports of Y01, Y02 and Y03.
3. The circuit breaker mechanism test monitoring device of claim 2 wherein the first relay is connected to an energy storage motor, the second relay is connected to a closing electromagnet, and the third relay is connected to a breaking electromagnet;
whether the microswitch of the mechanism is effectively triggered is detected through the port of the first relay, so that whether the energy storage action of the energy storage motor is finished is judged, and if the energy storage action of the energy storage motor is detected to be finished, the energy storage motor is electrified for 0.6 second in a delayed mode, so that the energy storage of the energy storage motor of the circuit breaker mechanism is fully finished;
the power supply module is used for electrifying the closing electromagnet for 0.6 second to realize closing of the circuit breaker mechanism, after the closing delay time is 1 second, the power supply module is used for electrifying the opening electromagnet for 0.6 second to realize opening of the circuit breaker mechanism, and after the opening delay time is 1 second, the next cycle is automatically switched to.
4. The circuit breaker mechanism test monitoring device of claim 3, further comprising a touch screen module, wherein the touch screen module is operated to control the start and stop of the whole test monitoring device.
5. The circuit breaker mechanism test monitoring device of claim 4, further comprising status indicators for energy storage, closing and opening, which respectively monitor the port status of Y01, Y02 and Y03 of the PLC module and display the port status of Y01, Y02 and Y03 of the PLC module on a screen.
6. The circuit breaker mechanism test monitoring device of claim 5 further comprising a counter for counting the number of break-ins of the circuit breaker mechanism.
7. The circuit breaker mechanism test monitoring device of claim 6, wherein the running-in program controls the on/off of the port of the third relay once per action cycle through the Y13 port of the PLC module, so as to realize that the counter counts once, and when the running-in test is completed, the counter is cleared, and the action cycle consists of three actions of energy storage, closing and opening.
8. The circuit breaker mechanism test monitoring device of claim 7, wherein each of the three actions of storing energy, closing and opening is relatively independent, and when one action is performed, the other actions are not performed.
9. The apparatus as claimed in claim 8, wherein after any one of the three actions of energy storage, closing and opening is completed, it takes 1-2 seconds for the whole circuit breaker mechanism to stabilize, and then the next action is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683135.8A CN113946135A (en) | 2020-07-15 | 2020-07-15 | Circuit breaker mechanism test monitoring device based on PLC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683135.8A CN113946135A (en) | 2020-07-15 | 2020-07-15 | Circuit breaker mechanism test monitoring device based on PLC |
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| CN113946135A true CN113946135A (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010683135.8A Pending CN113946135A (en) | 2020-07-15 | 2020-07-15 | Circuit breaker mechanism test monitoring device based on PLC |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117148137A (en) * | 2023-10-31 | 2023-12-01 | 广东正超电气有限公司 | Automatic running-in testing device of permanent magnet circuit breaker of switch cabinet |
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| US9086447B1 (en) * | 2014-09-17 | 2015-07-21 | Vacuum Interrupters, Inc. | Portable circuit breaker test and control system |
| CN106546913A (en) * | 2016-11-01 | 2017-03-29 | 中科电力装备（安徽）智能化科技有限公司 | A kind of breaker relay protection detector |
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2020
- 2020-07-15 CN CN202010683135.8A patent/CN113946135A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201429675Y (en) * | 2009-03-09 | 2010-03-24 | 湖南京电开关厂 | Vacuum breaker control mechanism running-in test control box |
| CN203825164U (en) * | 2014-04-18 | 2014-09-10 | 大全集团有限公司 | Detection platform for DC circuit breaker |
| US9086447B1 (en) * | 2014-09-17 | 2015-07-21 | Vacuum Interrupters, Inc. | Portable circuit breaker test and control system |
| CN106546913A (en) * | 2016-11-01 | 2017-03-29 | 中科电力装备（安徽）智能化科技有限公司 | A kind of breaker relay protection detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117148137A (en) * | 2023-10-31 | 2023-12-01 | 广东正超电气有限公司 | Automatic running-in testing device of permanent magnet circuit breaker of switch cabinet |
| CN117148137B (en) * | 2023-10-31 | 2024-01-19 | 广东正超电气有限公司 | Automatic running-in testing device of permanent magnet circuit breaker of switch cabinet |
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