CN113972734B - Alternating current contactor action frequency monitoring system - Google Patents
Alternating current contactor action frequency monitoring system Download PDFInfo
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- CN113972734B CN113972734B CN202111103713.7A CN202111103713A CN113972734B CN 113972734 B CN113972734 B CN 113972734B CN 202111103713 A CN202111103713 A CN 202111103713A CN 113972734 B CN113972734 B CN 113972734B
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- contactor
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- monitoring system
- remote terminal
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- 230000009471 action Effects 0.000 title claims abstract description 47
- 238000012544 monitoring process Methods 0.000 title claims abstract description 42
- 238000012423 maintenance Methods 0.000 claims abstract description 49
- 238000005192 partition Methods 0.000 claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003449 preventive effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an alternating current contactor action frequency monitoring system, which comprises the following components: the system comprises a motion detection module, a monitoring system and a remote terminal; the action detection system is used for detecting a switching value signal of the contactor and sending the switching value signal to the monitoring server; the monitoring system is used for acquiring a switching value signal, analyzing the switching value signal to obtain a maintenance scheme and early warning information, and transmitting the maintenance scheme and the early warning signal to the remote terminal for display; the remote terminal is used for receiving the maintenance scheme and the judging signal sent by the monitoring server. When the acquired numerical value exceeds the limit partition, the system automatically alarms, preventive accurate maintenance is realized, the maintenance work efficiency is improved, the working state of the contactor is checked in time by detecting the voltage of the contactor of the numerical value in a plurality of partitions, and the state information can be checked by a worker in time, so that the worker can maintain, overhaul and replace the contactor.
Description
Technical Field
The invention relates to the technical field of contactor detection, in particular to an alternating current contactor action frequency monitoring system.
Background
An ac contactor is an automatic switch for switching on or off a loaded ac/dc main circuit or a high-capacity control circuit, the main control object being an electric motor, and it is also used for other electric loads such as electric heaters, electric welders, lighting devices. The contactor can not only switch on and off the circuit, but also has a low voltage release protection effect. The contactor has large control capacity and is suitable for frequent operation and remote control. Is one of the important elements in an automatic control system.
The working principle of the contactor is as follows: when the contactor coil is electrified, coil current can generate a magnetic field, the generated magnetic field enables the static iron core to generate electromagnetic attraction to attract the movable iron core and drive the alternating current contactor to act, the normally closed contact is opened, and the normally open contact is closed, and the two are linked. When the coil is powered off, the electromagnetic attraction force disappears, the armature is released under the action of the release spring, the contact is restored, the normally open contact is opened, and the normally closed contact is closed.
The electrical life of the contactor is an important indicator during actual use. The electrical life refers to the number of times the contactor coil is turned on and off during a no-load operating cycle. The data show that the electrical life of the contactor is typically 10 tens of thousands of times. The existing alternating current contactor on the market has no accurate display in the field of service life of the contactor, so that a user cannot accurately acquire the action frequency data of the contactor, and then the electric life of the contactor cannot be accurately researched and judged, so that a maintainer can misjudge the maintenance of the contactor in the maintenance process, inconvenience is brought to electric maintenance work, the maintenance work efficiency is influenced, and the maintenance cost is increased.
Disclosure of Invention
The invention aims to provide an alternating current contactor action frequency monitoring system.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: an ac contactor frequency of action monitoring system comprising the following components: the system comprises a motion detection module, a monitoring system and a remote terminal;
The action detection system is used for detecting a switching value signal of the contactor and sending the switching value signal to the monitoring server;
the monitoring system is used for acquiring a switching value signal, analyzing the switching value signal to obtain a maintenance scheme and early warning information, and transmitting the maintenance scheme and the early warning signal to the remote terminal for display;
the remote terminal is used for receiving the maintenance scheme and the judging signal sent by the monitoring server;
And the action detection module, the remote terminal and the monitoring server are sequentially connected.
Preferably, the monitoring system comprises a display interface, a storage module, an identification module and an analysis module;
the display interface is used for displaying a maintenance scheme report on the display screen and manually inputting a preset action frequency value;
The storage module is used for storing the standard voltage range value, receiving and storing the preset action frequency value input by the display interface, and dividing the preset action frequency value into a starting value partition, a maintenance value partition and a limit value partition;
The identification module is used for identifying a switching value signal of the contactor and converting the switching value signal into digital value;
The analysis module is used for comparing the identified digital quantity with the action frequency values of different partitions in the storage module, extracting the partition corresponding to the digital value from the storage module, receiving the voltage data of the partition contactor, and generating a maintenance scheme of the contactor according to the voltage condition and the partition;
The storage module, the identification module and the analysis module are all connected with the control module.
Preferably, the analysis module comprises a first comparison module, a second comparison module and a report generation module;
the first comparison module is used for comparing the digital quantity identified by the contactor with the action frequency values of different partitions in the storage module, and extracting the partition corresponding to the digital value from the storage module;
The second comparison module is used for comparing the voltage data of the contactor in the subarea with the standard voltage range value in the storage module, and sending early warning information to the report generation module, the display interface and the remote terminal if the voltage data does not fall in the standard voltage range, wherein different subareas correspond to different early warning information;
and the report generation module is used for generating a maintenance scheme report according to the early warning information under different partitions, and sending the maintenance scheme report to the remote terminal and the display interface.
Preferably, the action detection system comprises a data transceiver module, a counter and a voltage sensor; the data transceiver module is used for data transmission among the action detection system, the monitoring system and the remote terminal; the counter is used for detecting a switching value signal of the contactor in real time, the switching value signal is used for collecting an action switching value signal of the contactor through an auxiliary normally open point of the contactor, and the switching value signal is transmitted through the data transceiver module; the voltage sensor is used for detecting voltage data of the contactor in real time, and the voltage data are converted into voltage values to be transmitted through the data receiving and transmitting module.
Preferably, the values of the start value zone, the maintenance value zone and the limit value zone are set from small to large.
Preferably, the remote terminal is a mobile phone or a computer.
Compared with the prior art, the invention has the advantages that:
According to the invention, the action frequency value of the contactor is obtained through the counter, the action frequency value of the contactor is set through the system, when the obtained value exceeds the limit partition, the system automatically alarms, preventive accurate maintenance is realized, the maintenance work efficiency is improved, meanwhile, the preset value is divided into a plurality of partitions, the working state of the contactor can be checked in time through voltage detection of the contactor with the value in the plurality of partitions, and the state information can be checked in time by a worker, so that the worker can maintain, overhaul and replace the contactor, and also can make accurate judgment on the service life of the contactor.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of an ac contactor operation frequency monitoring system according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1, the present invention provides an ac contactor operation frequency monitoring system, which comprises the following components: the system comprises an action detection module, a monitoring system and a remote terminal, wherein the remote terminal is a mobile phone or a computer, can remotely transmit signals, can display the signals on line, and ensures that staff can view early warning information in time;
The action detection system is used for detecting a switching value signal of the contactor and sending the switching value signal to the monitoring server; the monitoring system is used for acquiring a switching value signal, analyzing the switching value signal to obtain a maintenance scheme and early warning information, and transmitting the maintenance scheme and the early warning signal to the remote terminal for display; the remote terminal is used for receiving the maintenance scheme and the judging signal sent by the monitoring server; and the action detection module, the remote terminal and the monitoring server are sequentially connected.
The monitoring system comprises a display interface, a storage module, an identification module and an analysis module; the method comprises the steps of displaying an interface, displaying a maintenance scheme report on a display screen, and manually inputting a preset action frequency value, wherein the preset action frequency value is used for subsequent comparison, and the standard value of the switching value frequency of a contactor needs to be compared before the preset action frequency value for design, for example, the standard value of the switching value frequency of a contactor of a product a is 10 ten thousand times, and the preset action frequency value is greater than 10 ten thousand times;
The storage module is used for storing the preset action frequency value input by the display interface, wherein the preset action frequency value is divided into a starting value partition, a maintenance value partition and a limit value partition, the numerical ranges of the starting value partition, the maintenance value partition and the limit value partition are set from small to large, if the preset action frequency value of the product a contactor is 12 ten thousand times, the starting value partition can be set to 0-5 ten thousand times, the maintenance value partition can be set to 5-8 ten thousand times, and the limit value partition can be set to 8-12 ten thousand times;
In this embodiment, the identification module is configured to identify a contactor switching value signal detected by the motion detection system, and convert the switching value signal into a digital value, and transmit the digital value to the analysis module for analysis and comparison;
In this embodiment, the analysis module is configured to compare the identified digital quantity with the action frequency values of different partitions in the storage module, extract the partition corresponding to the digital value from the storage module, and receive the voltage data of the partitioned contactor, and generate a maintenance scheme of the contactor according to the voltage condition and the partition;
The storage module, the identification module and the analysis module are all connected with the control module.
The analysis module comprises a first comparison module, a second comparison module and a report generation module;
the first comparison module is used for comparing the digital quantity identified by the contactor with the action frequency values of different partitions in the storage module, and extracting the partition corresponding to the digital value from the storage module;
The second comparison module is used for comparing the voltage data of the contactor in the subarea with the standard voltage range value in the storage module, if the voltage data does not fall in the standard voltage range, the second comparison module sends early warning information to the report generation module, the display interface and the remote terminal, wherein different subareas correspond to different early warning information, if the starting value subarea corresponds to the rush repair alarm information, the maintenance value subarea corresponds to the maintenance reminding information, and the limit value subarea corresponds to the replacement alarm information;
The report generation module is used for generating a maintenance scheme report according to the early warning information under different partitions, the maintenance scheme report is sent to the remote terminal and the display interface, and the maintenance scheme report comprises voltage data, detection frequency values and early warning information of the contactors under different partitions.
The action detection system comprises a data receiving and transmitting module, a counter and a voltage sensor; the data transceiver module is used for data transmission among the action detection system, the monitoring system and the remote terminal; the counter is used for detecting a contact switching value signal in real time, the contact switching value signal is used for collecting a contactor action switching value signal through an auxiliary normally open point of the contactor, and the switching value signal is transmitted through the data transceiver module; the voltage sensor is used for detecting voltage data of the contactor in real time, and the voltage data are converted into voltage values to be transmitted through the data receiving and transmitting module.
The same batch of products a, b, c, d and e-contactor perform frequency detection: firstly, presetting a standard action frequency value for 10 ten thousand times on a display interface, wherein a starting value partition can be set to 0-5 ten thousand times, a maintenance value partition can be set to 5-8 ten thousand times, and a limit value partition can be set to 8-12 ten thousand times;
The product a detects the switching value signal of the contactor in real time through the counter, the switching value signal is converted into digital value and is transmitted to the monitoring system for analysis, when the digital value is 4 ten thousand, the voltage of the product a changes, the voltage is smaller than the standard value, and the display interface and the remote terminal display the early warning information of the starting value partition at the moment, so that a worker can timely perceive the early warning information, and timely overhauls or replaces the product a;
the product b detects the switching value signal of the contactor in real time through the counter, the switching value signal is converted into digital value and is transmitted to the monitoring system for analysis, when the digital value is 6 ten thousand, the voltage of the product a is unchanged, and at the moment, the display interface and the remote terminal display maintenance reminding information of the starting value partition, so that a worker can timely detect the maintenance reminding information and timely maintain the product b;
The product c detects the switching value signal of the contactor in real time through the counter, the switching value signal is converted into digital value, the digital value is transmitted to the monitoring system for analysis, when the digital value is 6 ten thousand, the voltage of the product a is changed, and at the moment, the display interface and the remote terminal display overhaul reminding information, so that a worker can timely perceive the overhaul reminding information, and timely overhaul and replacement are carried out on the product b;
The product d detects the switching value signal of the contactor in real time through the counter, the switching value signal is converted into digital value, the digital value is transmitted to the monitoring system for analysis, when the digital value is 12 ten thousand, the voltage of the product a is unchanged, and the display interface and the remote terminal display maintenance reminding information at the moment, so that a worker can timely perceive the maintenance reminding information, and timely maintenance is performed on the product b;
The product e product detects the switching value signal of the contactor in real time through the counter, the switching value signal is converted into digital value, the digital value is transmitted to the monitoring system for analysis, when the digital value is 12 ten thousand, the voltage of the product a changes, and at the moment, the display interface and the remote terminal are used for reminding the overhaul information, so that a worker can timely perceive the overhaul reminding information, and timely overhaul and exchange are carried out on the product b.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the invention as described in the claims.
Claims (4)
1. An ac contactor operation frequency monitoring system, comprising: the system comprises a motion detection module, a monitoring system and a remote terminal;
The action detection system is used for detecting a switching value signal of the contactor and sending the switching value signal to the monitoring server;
the monitoring system is used for acquiring a switching value signal, analyzing the switching value signal to obtain a maintenance scheme and early warning information, and transmitting the maintenance scheme and the early warning signal to the remote terminal for display;
the remote terminal is used for receiving the maintenance scheme and the judging signal sent by the monitoring server;
the action detection module, the remote terminal and the monitoring server are connected in sequence;
the monitoring system comprises a display interface, a storage module, an identification module and an analysis module;
the display interface is used for displaying a maintenance scheme report on the display screen and manually inputting a preset action frequency value;
The storage module is used for storing the standard voltage range value, receiving and storing the preset action frequency value input by the display interface, and dividing the preset action frequency value into a starting value partition, a maintenance value partition and a limit value partition;
The identification module is used for identifying a switching value signal of the contactor and converting the switching value signal into digital value;
The analysis module is used for comparing the identified digital quantity with the action frequency values of different partitions in the storage module, extracting the partition corresponding to the digital quantity from the storage module, receiving the voltage data of the partitioned contactor, and generating a maintenance scheme of the contactor according to the voltage condition and the partition;
the storage module, the identification module and the analysis module are all connected with the control module;
The analysis module comprises a first comparison module, a second comparison module and a report generation module;
the first comparison module is used for comparing the digital quantity identified by the contactor with the action frequency values of different partitions in the storage module, and extracting the partition corresponding to the digital quantity from the storage module;
The second comparison module is used for comparing the voltage data of the contactor in the subarea with the standard voltage range value in the storage module, and sending early warning information to the report generation module, the display interface and the remote terminal if the voltage data does not fall in the standard voltage range, wherein different subareas correspond to different early warning information;
and the report generation module is used for generating a maintenance scheme report according to the early warning information under different partitions, and sending the maintenance scheme report to the remote terminal and the display interface.
2. The ac contactor operation frequency monitoring system according to claim 1, wherein: the action detection system comprises a data receiving and transmitting module, a counter and a voltage sensor; the data transceiver module is used for data transmission among the action detection system, the monitoring system and the remote terminal; the counter is used for detecting a contact switching value signal in real time, the contact switching value signal is used for collecting a contactor action switching value signal through an auxiliary normally open point of the contactor, and the switching value signal is transmitted through the data transceiver module; the voltage sensor is used for detecting voltage data of the contactor in real time, and the voltage data are converted into voltage values to be transmitted through the data receiving and transmitting module.
3. The ac contactor operation frequency monitoring system according to claim 1, wherein: the numerical ranges of the start value partition, the maintenance value partition and the limit value partition are set from small to large.
4. The ac contactor operation frequency monitoring system according to claim 1, wherein: the remote terminal is a mobile phone or a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111103713.7A CN113972734B (en) | 2021-09-22 | 2021-09-22 | Alternating current contactor action frequency monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111103713.7A CN113972734B (en) | 2021-09-22 | 2021-09-22 | Alternating current contactor action frequency monitoring system |
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| CN113972734A CN113972734A (en) | 2022-01-25 |
| CN113972734B true CN113972734B (en) | 2024-05-28 |
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| CN113972734A (en) | 2022-01-25 |
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