CN103746451A - PLC-based integrated power supply monitoring system and monitoring method - Google Patents
PLC-based integrated power supply monitoring system and monitoring method Download PDFInfo
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- CN103746451A CN103746451A CN201310722280.2A CN201310722280A CN103746451A CN 103746451 A CN103746451 A CN 103746451A CN 201310722280 A CN201310722280 A CN 201310722280A CN 103746451 A CN103746451 A CN 103746451A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention discloses a PLC-based integrated power supply monitoring system which comprises a PLC, a human-computer interface, a high-frequency power module, a DC-DC module, an inverter module, a data acquisition module, an insulation monitoring module, a switching value acquisition module, a battery inspection module and a monitoring background. The invention also discloses a monitoring method of the monitoring system. According to the invention, local or remote centralized monitoring, control and intelligent management of integrated power devices can be realized, and intellectualized degree is high.
Description
Technical field
The present invention relates to power transmission and distribution field, relate in particular to a kind of supervisory control system of integrated power supply.
Background technology
At present, electric power is with being widely used in distribution in the urban public power transformation of China and power supply, industrial and mining enterprises, skyscraper, residence district of Direct Current Power Supervise Control System.But general electric power Direct Current Power Supervise Control System, is only suitable for DC power supply in this integrated power supply and the monitoring of AC power, cannot record and meet the needs of other power supplys (as inverter and communication power supply etc.) in integrated power supply.Former supervisory control system great majority adopt electric parameter transmitter to add that analogue collection module measures, because of its transmitter quantity more, so wiring complexity, debug difficulties, because its circuit is transmitted as analog signal, easily be interfered, therefore be generally only applied to less electric power with in DC power system.
In summary, in actual use, obviously there is inconvenience and defect in the supervisory control system of existing electric supply equipment, more cannot meet the needs of integrated power supply and intelligent grid development, so must update.
Summary of the invention
The present invention aims to provide a kind of supervisory control system of integrated power supply equipment, realizes the Local or Remote of integrated power supply equipment is concentrated to monitoring, control and intelligent management.
For achieving the above object, the present invention realizes by the following technical solutions:
The supervisory control system of the integrated power supply based on PLC disclosed by the invention, comprising:
For the PLC of analyzing logic control;
The man-machine interface arranging for parameter;
For the high frequency power module of DC power supply data transmission interface is provided;
For the DC-DC module of communication power supply data transmission interface is provided;
For the inversion module of inverter data transmission interface is provided;
For gathering the data acquisition module of integration power-supply system operational factor;
For the insulating monitoring module of monitoring system bus and feed leg insulation parameter;
For gathering the switching value acquisition module of on off state data;
For detection of the battery inspection module of accumulator parameter;
For the treatment of the monitoring backstage of analyzing data;
For gathering the digital display meter with communication function of integrated power supply operational factor;
Described touch-screen connects PLC, described PLC connects high frequency power module, DC-DC module, inversion module and monitoring backstage, described high frequency power module, DC-DC module, inversion module, insulating monitoring module, switching value acquisition module, the equal connection data acquisition module of battery inspection module, described data acquisition module connects monitoring backstage by communication management module, described digital display meter comprises ammeter, voltmeter, and described ammeter, voltmeter connect respectively corresponding DC power supply, communication power supply and inverter.
Further, described data acquisition module comprises interchange monitoring module, charging monitoring module, battery monitor module, inverter monitoring module, communication power supply monitoring module.
Further, described data acquisition module also comprises DC feeder monitoring module, communication power supply feeder line monitoring module and exchanges feeder line monitoring module.
Further, described high frequency power module, inversion module, DC-DC module include simulation and/or digital interface.
Preferably, described communication management module meets DL/T860 standard, and described monitoring backstage is digital computer, and described man-machine interface is touch-screen.
The control method that the invention also discloses a kind of supervisory control system that is suitable for the described integrated power supply based on PLC, comprises the steps:
Step 1, setting parameter: set the setup parameter of integrated power supply by man-machine interface, and issue action command;
Step 2, instruction sends: PLC receives the order that man-machine interface issues, and calls corresponding subroutine module, adopts poll working method, sends the corresponding data acquisition module work of instruction control;
Step 3, parameter acquisition: data acquisition module receives after PLC instruction, gathers the real time execution parameter of integrated power supply;
Step 4, parameter transmission: data acquisition module is sent to monitoring backstage by the real time execution parameter of the integrated power supply of collection by communication management module;
Step 5, parameter monitoring: monitoring backstage receives, analyzes operational factor, and after real time execution parameter is compared with the setup parameter of setting by man-machine interface in step 1, adopt error control method correction integrated power supply output valve.
Preferably, in step 4, communication management module employing Modbus communications protocol or CDT91 or IEC61850 stipulations and complex automatic system communication are to monitoring backstage reported data.
Preferably, in step 3, the real time execution parameter of described integrated power supply comprises real-time current, real-time voltage, power factor.
Further, in step 3, also comprise the insulation parameter of monitoring system bus and feed leg insulation parameter.
Further, also comprise by monitoring backstage and set the operational factor of integrated power supply, and issue action command, concrete, monitoring backstage issues action command by communication management module to man-machine interface or PLC, and revises the setup parameter of man-machine interface.
The present invention is applicable to electric power power-supply device, and the operational factor of the each module of power equipment is carried out to acquisition monitoring, integrated power supply equipment is realized to Local or Remote and concentrate monitoring, control and intelligent management, and intelligent degree is high, and wiring is simple.
Accompanying drawing explanation
Fig. 1 is the theory diagram of supervisory control system of the present invention;
Fig. 2 is the composition frame chart of data acquisition module;
Fig. 3 is the schematic diagram of method for supervising of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in Figure 1, the supervisory control system of the integrated power supply based on PLC disclosed by the invention, comprising:
For the PLC of analyzing logic control;
The man-machine interface arranging for parameter;
For the high frequency power module of DC power supply data transmission interface is provided;
For the DC-DC module of communication power supply data transmission interface is provided;
For the inversion module of inverter data transmission interface is provided;
For gathering the data acquisition module of integration power-supply system operational factor;
For the insulating monitoring module of monitoring system bus and feed leg insulation parameter;
For gathering the switching value acquisition module of on off state data;
For detection of the battery inspection module of accumulator parameter;
For the treatment of the monitoring backstage of analyzing data;
For gathering the digital display meter with communication function of integrated power supply operational factor;
Touch-screen connects PLC, PLC connects high frequency power module, DC-DC module, inversion module and monitoring backstage, high frequency power module, DC-DC module, inversion module, insulating monitoring module, switching value acquisition module, the equal connection data acquisition module of battery inspection module, data acquisition module connects monitoring backstage by communication management module, digital display meter comprises ammeter, voltmeter, and ammeter, voltmeter connect respectively corresponding DC power supply, communication power supply and inverter.
Further, as shown in Figure 2, data acquisition module comprises interchange monitoring module, charging monitoring module, battery monitor module, inverter monitoring module, communication power supply monitoring module.
Further, data acquisition module also comprises DC feeder monitoring module, communication power supply feeder line monitoring module and exchanges feeder line monitoring module.
Further, high frequency power module, inversion module, DC-DC module include simulation and/or digital interface.
Preferably, communication management module meets DL/T860 standard, and monitoring backstage is digital computer, and described man-machine interface is touch-screen.
As shown in Figure 3, the invention also discloses a kind of control method of the supervisory control system that is suitable for the described integrated power supply based on PLC, comprise the steps:
Step 1, setting parameter: set the setup parameter of integrated power supply by man-machine interface, and issue action command;
Step 2, instruction sends: PLC receives the order that man-machine interface issues, and calls corresponding subroutine module, adopts poll working method, sends the corresponding data acquisition module work of instruction control;
Step 3, parameter acquisition: data acquisition module receives after PLC instruction, gathers the real time execution parameter of integrated power supply, and real time execution parameter comprises real-time current, real-time voltage, power factor; Also comprise the insulation parameter of insulating monitoring module monitors system busbar and feed leg insulation parameter.
Step 4, parameter transmission: data acquisition module is sent to monitoring backstage by the real time execution parameter of the integrated power supply of collection by communication management module; Communication management module employing Modbus communications protocol or CDT91 or IEC61850 stipulations and complex automatic system communication are to monitoring backstage reported data.
Step 5, parameter monitoring: monitoring backstage receives, analyzes operational factor, and after real time execution parameter is compared with the setup parameter of setting by man-machine interface in step 1, adopt error control method correction integrated power supply output valve.
Further, also comprise by monitoring backstage and set the operational factor of integrated power supply, and issue action command, concrete, monitoring backstage issues action command by communication management module to man-machine interface or PLC, and revises the setup parameter of man-machine interface.
The present invention is according to the different system parameter of man-machine interface configuration, by monitoring backstage and PLC, automatically control the work of data acquisition module, by reading the communication real data collecting, switch various charging modes, and issue the orders such as corresponding broadcast pressure regulation, current limliting, switching on and shutting down.
The present invention provides the data-interface of data or simulation by high frequency power module is set, by data acquisition module, each operational factor of power-supply device is gathered simultaneously, and data are sent to communication management module and monitor backstage and carry out Treatment Analysis, realize whereby the operational factor of the each module of power equipment is carried out to acquisition monitoring, can realize Local or Remote to integrated power supply equipment simultaneously and concentrate monitoring, control and intelligent management.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the supervisory control system of the integrated power supply based on PLC, is characterized in that, comprising:
For the PLC of analyzing logic control;
The man-machine interface arranging for parameter;
For the high frequency power module of DC power supply data transmission interface is provided;
For the DC-DC module of communication power supply data transmission interface is provided;
For the inversion module of inverter data transmission interface is provided;
For gathering the data acquisition module of integration power-supply system operational factor;
For the insulating monitoring module of monitoring system bus and feed leg insulation parameter;
For gathering the switching value acquisition module of on off state data;
For detection of the battery inspection module of accumulator parameter;
For the treatment of the monitoring backstage of analyzing data;
For gathering the digital display meter with communication function of integrated power supply operational factor;
Described touch-screen connects PLC, described PLC connects high frequency power module, DC-DC module, inversion module and monitoring backstage, described high frequency power module, DC-DC module, inversion module, insulating monitoring module, switching value acquisition module, the equal connection data acquisition module of battery inspection module, described data acquisition module connects monitoring backstage by communication management module, described digital display meter comprises ammeter, voltmeter, and described ammeter, voltmeter connect respectively corresponding DC power supply, communication power supply and inverter.
2. the supervisory control system of the integrated power supply based on PLC according to claim 1, it is characterized in that, described data acquisition module comprises interchange monitoring module, charging monitoring module, battery monitor module, inverter monitoring module, communication power supply monitoring module.
3. the supervisory control system of the integrated power supply based on PLC according to claim 1, is characterized in that, described data acquisition module also comprises DC feeder monitoring module, communication power supply feeder line monitoring module and exchanges feeder line monitoring module.
4. the supervisory control system of the integrated power supply based on PLC according to claim 1, is characterized in that, described high frequency power module, inversion module, DC-DC module include simulation and/or digital interface.
5. the supervisory control system of the integrated power supply based on PLC according to claim 1, is characterized in that, described communication management module meets DL/T860 standard, and described monitoring backstage is digital computer, and described man-machine interface is touch-screen.
6. a control method that is applicable to the supervisory control system of the integrated power supply based on PLC described in claim 1-5, is characterized in that, comprises the steps:
Step 1, setting parameter: set the setup parameter of integrated power supply by man-machine interface, and issue action command;
Step 2, instruction sends: PLC receives the order that man-machine interface issues, and calls corresponding subroutine module, adopts poll working method, sends the corresponding data acquisition module work of instruction control;
Step 3, parameter acquisition: data acquisition module receives after PLC instruction, gathers the real time execution parameter of integrated power supply;
Step 4, parameter transmission: data acquisition module is sent to monitoring backstage by the real time execution parameter of the integrated power supply of collection by communication management module;
Step 5, parameter monitoring: monitoring backstage receives, analyzes operational factor, and after real time execution parameter is compared with the setup parameter of setting by man-machine interface in step 1, adopt error control method correction integrated power supply output valve.
7. the control method of the supervisory control system of the integrated power supply based on PLC according to claim 6, is characterized in that:
In step 4, communication management module employing Modbus communications protocol or CDT91 or IEC61850 stipulations and complex automatic system communication are to monitoring backstage reported data.
8. the control method of the supervisory control system of the integrated power supply based on PLC according to claim 6, is characterized in that: in step 3, the real time execution parameter of described integrated power supply comprises real-time current, real-time voltage, power factor.
9. the control method of the supervisory control system of the integrated power supply based on PLC according to claim 6, is characterized in that: in step 3, also comprise the insulation parameter of monitoring system bus and feed leg insulation parameter.
10. the control method of the supervisory control system of the integrated power supply based on PLC according to claim 6, it is characterized in that: also comprise the operational factor of setting integrated power supply by monitoring backstage, and issue action command, concrete, monitoring backstage issues action command by communication management module to man-machine interface or PLC, and revises the setup parameter of man-machine interface.
The integrated power supply intelligent monitor system that the present invention consists of said apparatus, setting and coordinated operation, the monitoring of system running state, the uploading of service data of having realized the man-machine interface interactive operation of power-supply system, each functional unit issue and battery and integrated power supply equipment are carried out to intelligent management.This supervisory control system possesses remote management capability, can select Modbus communications protocol, CDT91 or IEC61850 stipulations and complex automatic system communication reported data, can realize power station unattended operation.
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Cited By (7)
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| CN106227126A (en) * | 2016-07-20 | 2016-12-14 | 合肥联信电源有限公司 | Power Supply Monitoring data parallel based on modbus agreement transmission system |
| CN106646272A (en) * | 2016-12-23 | 2017-05-10 | 北京九方宏信交通装备有限公司 | Detection device for uniform inverter fault in rail transit and detection method thereof |
| CN106787198A (en) * | 2016-12-28 | 2017-05-31 | 三河益生电子科技开发有限公司 | A kind of AC/DC integrated power supply monitoring system and its monitoring method |
| CN107483619A (en) * | 2017-09-04 | 2017-12-15 | 江苏德尔科测控技术有限公司 | The data collecting system and method for a kind of differential pressure transmitter |
| CN107943670A (en) * | 2017-11-16 | 2018-04-20 | 东华大学 | A kind of ups power equipment monitoring system |
| CN112421769A (en) * | 2020-10-13 | 2021-02-26 | 国家电网有限公司 | Intelligent remote monitoring system for communication power supply equipment |
| CN112526381A (en) * | 2020-11-17 | 2021-03-19 | 大成电气科技(南京)有限公司 | Monitoring system of integrated power supply based on PLC |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227126A (en) * | 2016-07-20 | 2016-12-14 | 合肥联信电源有限公司 | Power Supply Monitoring data parallel based on modbus agreement transmission system |
| CN106646272A (en) * | 2016-12-23 | 2017-05-10 | 北京九方宏信交通装备有限公司 | Detection device for uniform inverter fault in rail transit and detection method thereof |
| CN106787198A (en) * | 2016-12-28 | 2017-05-31 | 三河益生电子科技开发有限公司 | A kind of AC/DC integrated power supply monitoring system and its monitoring method |
| CN106787198B (en) * | 2016-12-28 | 2019-06-28 | 三河益生电子科技开发有限公司 | A kind of AC/DC integrated power supply monitoring system and its monitoring method |
| CN107483619A (en) * | 2017-09-04 | 2017-12-15 | 江苏德尔科测控技术有限公司 | The data collecting system and method for a kind of differential pressure transmitter |
| CN107943670A (en) * | 2017-11-16 | 2018-04-20 | 东华大学 | A kind of ups power equipment monitoring system |
| CN112421769A (en) * | 2020-10-13 | 2021-02-26 | 国家电网有限公司 | Intelligent remote monitoring system for communication power supply equipment |
| CN112526381A (en) * | 2020-11-17 | 2021-03-19 | 大成电气科技(南京)有限公司 | Monitoring system of integrated power supply based on PLC |
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Application publication date: 20140423 |