CN108073116B - Real-time statistical method for equipment running state based on comprehensive monitoring system - Google Patents
Real-time statistical method for equipment running state based on comprehensive monitoring system Download PDFInfo
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- G—PHYSICS
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- 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
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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
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Abstract
The invention discloses a real-time statistical method of equipment running state based on a comprehensive monitoring system, which comprises the following steps: step 1, a PLC system and a subsystem collect the running state of field equipment and upload data to a comprehensive monitoring system; step 2, the comprehensive monitoring system stores the received data of the equipment running state into a database of the system; step 3, the real-time statistical module carries out logic judgment on the state of the equipment according to the attribute of the running state of the equipment, wherein the logic judgment comprises the states of stopping, running, no-load and overload; step 4, the real-time counting module carries out periodic integration on the duration of each state according to the calculated state until a set end time is reached or the state of the equipment is changed, wherein the period of the integration is T, and the real-time counting module counts the switching times of the equipment among the states according to the switching of the equipment among the different states; and 5, the real-time statistical module stores the statistical information into a database. And a foundation is provided for the optimized operation of the equipment.
Description
Technical Field
The invention relates to a real-time statistical method for equipment running state based on an integrated monitoring system.
Background
The traditional comprehensive monitoring system only acquires the running state of the equipment, such as the current state of a fan is stopped or running, but cannot judge the specific state of the equipment during running, such as no load, overload and normal running. Also, the running time or the stop time of these states, or the number of times of switching between the states of these devices, is not counted. Some advanced systems support the statistics of the running time and the number of start-stop times, but the system is offline statistics, and can only count the running time and the number of start-stop times in a certain specific period, but cannot count the running time and the number of start-stop times in an online real-time manner. With the continuous improvement of fine management requirements of various industries, the comprehensive monitoring field urgently needs to know the detailed operation state of the equipment, and a foundation is provided for the optimized operation of the equipment.
Disclosure of Invention
Aiming at the problems, the invention provides a real-time statistical method of the running state of the equipment based on a comprehensive monitoring system, which provides online and real-time statistics of the running time and the switching times of various states of the equipment, can more comprehensively understand the running state of the equipment, improves the level of fine management, and provides a basis for the optimized running of the equipment.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a real-time statistical method for equipment running state based on an integrated monitoring system is characterized by comprising the following steps:
step 1, a PLC system and a subsystem collect the running state of field equipment and upload data to a comprehensive monitoring system;
step 2, the comprehensive monitoring system stores the received data of the equipment running state into a database of the system;
step 3, the real-time statistical module carries out logic judgment on the state of the equipment according to the attribute of the running state of the equipment, wherein the logic judgment comprises the states of stopping, running, no-load and overload;
step 4, the real-time counting module carries out periodic integration on the duration of each state according to the calculated state until a set end time is reached or the state of the equipment is changed, wherein the period of the integration is T, and the real-time counting module counts the switching times of the equipment among the states according to the switching of the equipment among the different states;
and 5, the real-time statistical module stores the statistical information into a database.
Preferably, the real-time counting module automatically clears and re-counts or finishes counting according to the set starting time.
Preferably, T is 1 second, 2 seconds or 3 seconds.
The invention has the beneficial effects that:
the invention carries out comprehensive judgment according to the operation attribute of the equipment, acquires the detailed operation state of the equipment and the duration of the state, can form more complete knowledge on the current operation state of the equipment, and provides a basis for the optimized operation of the equipment.
And secondly, real-time statistics supports time-sharing statistics, three shifts, daily statistics and monthly statistics, is convenient for the running states of different groups of monitoring equipment, and provides a foundation for fine management.
The third, real-time statistical result can also be used as a factor in other advanced statistical analysis functions of the system. If the switching operation of the equipment is carried out according to the actual idle load duration or overload duration, the equipment is enabled to operate in a normal operation state or a stop state as far as possible.
And fourthly, the real-time statistical result is stored in the database, the statistical result can be used for displaying a report form and can be used for historical inquiry, more equipment operation rules and more production rules can be found, and a foundation is provided for continuous optimization of the production process.
And fifthly, combining the real-time online statistical result with the historical offline statistical result, so that the workers can compare historical records, optimize the current equipment, and provide an important basis for fine management.
Drawings
FIG. 1 is a schematic information interaction diagram of a real-time statistical method for equipment operation state based on an integrated monitoring system according to the present invention;
FIG. 2 is a flow chart of the present invention for real-time running duration statistics;
FIG. 3 is a flow chart of the present invention for real-time counting the number of start-stops.
Detailed Description
The present invention will be better understood and implemented by those skilled in the art by the following detailed description of the technical solution of the present invention with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.
A real-time statistical method for equipment running state based on an integrated monitoring system comprises the following steps:
step 1, a PLC (Programmable Logic Controller) system and a subsystem collect the running state of field equipment and upload data to a comprehensive monitoring system;
step 2, the comprehensive monitoring system stores the received data of the equipment running state into a database of the system;
step 3, the real-time statistical module carries out logic judgment on the state of the equipment according to the attribute of the running state of the equipment, wherein the logic judgment comprises the states of stopping, running, no-load and overload;
step 4, the real-time counting module carries out periodic integration on the duration of each state according to the calculated state until a set end time is reached or the state of the equipment is changed, wherein the period of the integration is T, and the real-time counting module counts the switching times of the equipment among the states according to the switching of the equipment among the different states;
and 5, the real-time statistical module stores the statistical information into a database.
Preferably, the real-time counting module automatically clears and re-counts or finishes counting according to the set starting time.
As shown in fig. 1, the PLC can acquire real-time operation state information of field important devices (such as a cold water pump, a regulating valve, a fan, etc.) and can upload the information to the integrated monitoring system, and the subsystem (a screen door system, a gate system) acquires operation states of the field devices (a screen door, a gate, etc.) and uploads data to the integrated monitoring system.
As shown in fig. 2, for a certain device, attributes representing the operation state of the device, such as the on-off state of the device, the current magnitude of the device, the rotation speed of the device, the temperature of the device, etc., are selected, and the specific operation state of the current device is comprehensively determined. The method comprises the steps that the state of the equipment is logically judged according to the attribute of the running state of the equipment, the specific logic needs to be determined according to the characteristics of the equipment, and the logic can be edited, for example, when a switch is in an off state, the equipment is considered to be in a stop state currently; when a switch is in an on state and the current of equipment is less than a certain threshold value, the equipment is considered to be in an idle state; when the switch is in an on state and the current of the equipment is greater than a certain threshold value, the equipment is considered to be in an overload state; when the switch is in the on state and the current is between the two thresholds, we consider the device to be in a normal operating state. The example logic can be configured according to the attribute of the actual device, and in the database, the attribute of a specific operation state, such as the attribute of normal operation, stop, overload, no load and the like, is newly added under the device.
The real-time counting module monitors the real-time state of the current equipment in a polling mode, periodically accumulates the duration of each attribute, and accumulates the stopping duration if the current running state is stopping; if the current running state is no-load, accumulating the time length of the no-load; if the current running state is overload, accumulating the overload time; if the operation is normal operation, the normal operation time length is accumulated. The real-time statistical module accumulates the operation time of the equipment by a periodic integration method, and the integration period T can be 1 second, 2 seconds or 3 seconds and can be set by self. Too large a period results in large errors, and too small a period results in too dense a calculation process of the system, and increases the burden of the system.
As shown in fig. 3, the real-time statistic module monitors the real-time status of the current device by polling, and if the current status is from a stop status to an operation status, the number of times of starting is accumulated for 1 time; if the process from the running state to the stop state is a stop process, 1 stop time is accumulated.
The real-time counting module supports a real-time counting function in different time periods, and the running time and the starting and stopping times of the equipment are counted according to the set starting time and the counting period. The system configures an initial zero clearing time, such as 0 click every day, and then sets a zero clearing period, such as 12 hours. Therefore, the system clears the statistical duration at 0 point and 12 points every day, so that the long information and the start-stop information of the equipment in real-time operation in each time period can be monitored, and the statistics of the real-time status information of the white class and the real-time status information of the night class under the condition of two shifts can be realized. If the zero clearing period is set to be 24 hours, the statistics of the real-time running time length and the start-stop information of each day are obtained.
The comprehensive monitoring system can store the statistical information into a commercial library, and then displays the statistical results of each day before through a report to support the inquiry of historical data.
The invention has the beneficial effects that:
the invention carries out comprehensive judgment according to the operation attribute of the equipment, acquires the detailed operation state of the equipment and the duration of the state, can form more complete knowledge on the current operation state of the equipment, and provides a basis for the optimized operation of the equipment.
And secondly, real-time statistics supports time-sharing statistics, three shifts, daily statistics and monthly statistics, is convenient for the running states of different groups of monitoring equipment, and provides a foundation for fine management.
The third, real-time statistical result can also be used as a factor in other advanced statistical analysis functions of the system. If the switching operation of the equipment is carried out according to the actual idle load duration or overload duration, the equipment is enabled to operate in a normal operation state or a stop state as far as possible.
And fourthly, the real-time statistical result is stored in the database, the statistical result can be used for displaying a report form and can be used for historical inquiry, more equipment operation rules and more production rules can be found, and a foundation is provided for continuous optimization of the production process.
And fifthly, combining the real-time online statistical result with the historical offline statistical result, so that the workers can compare historical records, optimize the current equipment, and provide an important basis for fine management.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (3)
1. A real-time statistical method for equipment running state based on an integrated monitoring system is characterized by comprising the following steps:
step 1, a PLC system and a subsystem collect the running state of field equipment and upload data to a comprehensive monitoring system;
step 2, the comprehensive monitoring system stores the received data of the equipment running state into a database of the system;
step 3, the real-time statistical module carries out logic judgment on the state of the equipment according to the attribute of the running state of the equipment, wherein the logic judgment comprises the states of stopping, running, no-load and overload;
step 4, the real-time counting module carries out periodic integration on the duration of each state according to the calculated state until a set end time is reached or the state of the equipment is changed, wherein the period of the integration is T, and the real-time counting module counts the switching times of the equipment among the states according to the switching of the equipment among the different states;
and 5, the real-time statistical module stores the statistical information into a database.
2. The method for real-time statistics of equipment running states based on an integrated monitoring system according to claim 1, wherein the real-time statistics module automatically clears to re-count or ends the statistics according to the set start time.
3. The real-time statistical method for equipment running state based on comprehensive monitoring system according to claim 1, characterized in that T takes 1 second, 2 seconds or 3 seconds.
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| CN109782684A (en) * | 2018-12-24 | 2019-05-21 | 惠州市德赛电池有限公司 | A kind of operating status statistical method for transmitting positioning high-speed line system based on cam |
| CN110955706A (en) * | 2019-12-13 | 2020-04-03 | 三门核电有限公司 | Automatic statistical system for reliability data of power plant equipment |
| CN111850231B (en) * | 2020-06-17 | 2022-03-22 | 重庆川仪自动化股份有限公司 | Method and device for counting number of start-stop times of converter tilting mechanism and accumulated running time of trunnion bearing |
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| JP2008226006A (en) * | 2007-03-14 | 2008-09-25 | Omron Corp | Facility equipment diagnostic device and program |
| CN201302669Y (en) * | 2008-10-20 | 2009-09-02 | 中国海洋大学 | DC motor-driven system for monitoring running state |
| CN102645906B (en) * | 2012-04-10 | 2014-06-04 | 明玮机械(东莞)有限公司 | Equipment running monitoring method |
| CN102654766A (en) * | 2012-04-18 | 2012-09-05 | 华中科技大学 | Wireless remote PLC (Programmable Logic Controller) monitoring system and application thereof |
| CN103605349B (en) * | 2013-11-26 | 2017-11-14 | 厦门雅迅网络股份有限公司 | A kind of remote real-time data collection and analytic statistics system and method based on CAN bus |
| CN105759697A (en) * | 2016-04-29 | 2016-07-13 | 沈阳仪表科学研究院有限公司 | Informatization monitoring management system for elevator |
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Effective date of registration: 20240315 Address after: 211102, No. 69, Su Yuan Avenue, Jiangning District, Jiangsu, Nanjing Patentee after: NR ELECTRIC Co.,Ltd. Country or region after: China Patentee after: NR ENGINEERING Co.,Ltd. Patentee after: NR ELECTRIC POWER ELECTRONICS Co.,Ltd. Address before: 211102, No. 69, Su Yuan Avenue, Jiangning District, Jiangsu, Nanjing Patentee before: NR ELECTRIC Co.,Ltd. Country or region before: China Patentee before: NR ENGINEERING Co.,Ltd. |