CN117193095A - Intelligent control system for hydraulic power pump station - Google Patents
Intelligent control system for hydraulic power pump station Download PDFInfo
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- CN117193095A CN117193095A CN202311244336.8A CN202311244336A CN117193095A CN 117193095 A CN117193095 A CN 117193095A CN 202311244336 A CN202311244336 A CN 202311244336A CN 117193095 A CN117193095 A CN 117193095A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 230000002159 abnormal effect Effects 0.000 claims description 58
- 239000010687 lubricating oil Substances 0.000 claims description 44
- 238000004458 analytical method Methods 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 14
- 239000003921 oil Substances 0.000 claims description 13
- 230000005856 abnormality Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000011664 signaling Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000006399 behavior Effects 0.000 claims description 3
- 230000036760 body temperature Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000013480 data collection Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000010606 normalization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an intelligent control system for a hydraulic pump station, which relates to the technical field of hydraulic pump station control and is used for solving the problems that the control system of the existing pump station is usually targeted, data integration and sharing among a plurality of hydraulic pump stations cannot be realized, and the lifting and optimization of the management of the pump station with poor management are limited; the system comprises a collection unit, a control unit and a control unit, wherein the collection unit is used for acquiring the running state and environment information of the pump stations in real time through sensors arranged at key positions of the pump stations.
Description
Technical Field
The invention relates to the technical field of hydraulic pump station control, in particular to an intelligent control system for a hydraulic pump station.
Background
In hydraulic engineering, hydraulic pump stations are important devices that pump water from a low to a high or raise the water pressure to a desired level. The existing hydraulic pump station is generally managed by adopting a traditional manual operation control mode, and the problems of manual misoperation, low operation efficiency, high pump station safety risk and the like exist.
While some advanced hydraulic pump stations usually adopt an automatic control system to realize the automation of management, the control system of the existing pump stations usually has pertinence, cannot realize the data integration and sharing among a plurality of hydraulic pump stations, limits the lifting and optimization of the management of the pump stations with poor management, lacks remote monitoring and control functions, cannot adjust the running state of the pump stations according to actual demands, and leads to the increase of energy waste and running cost
In order to solve the above-mentioned defect, a technical scheme is provided.
Disclosure of Invention
The invention aims to solve the problems that the control system of the existing pump station is generally targeted, data integration and sharing among a plurality of hydraulic pump stations cannot be realized, and the lifting and optimization of the management of the pump station with poor management are limited, and provides an intelligent control system for the hydraulic pump station.
The aim of the invention can be achieved by the following technical scheme:
an intelligent control system for a hydraulic pump station, comprising:
the collecting unit is used for acquiring the running state and the environment information of the pump station in real time through sensors arranged at key positions of the pump station;
the analysis unit is used for collecting the data transmitted by the unit, performing primary analysis and secondary analysis, and obtaining accurate feedback of the operation state of the pump station;
the data platform is used for receiving the data analyzed by the analysis unit so as to store and compare the data of different pump stations;
abnormal data and warning signaling recorded by primary analysis of the pump station in the analysis module are obtained and sent to a remote control unit;
meanwhile, an operation influence value YYZ obtained by the second-stage analysis of the pump stations in the analysis module is obtained, data association is carried out on different pump stations through unique identifiers or other key fields of the pump stations, and the operation state scores of the pump stations are ordered through the sizes of a plurality of operation influence values YYZ of the pump stations;
simultaneously acquiring related data of different pump stations, wherein the specific related data of the pump stations comprise operation data, fault records, maintenance strategies and energy-saving measures;
sharing the related data of the pump stations with the scores of the first 50% of running states to the pump stations with the ranks of the last 50%, wherein the shared running data helps the pump stations with the ranks of the last 50% to know the running states and performance of the excellent pump stations; the fault records are used for helping pump stations after ranking to identify common fault modes, so that the efficiency and the accuracy of fault processing are improved; the maintenance strategy provides reference for the pump stations ranked as the last 50%, and helps the pump stations to make and optimize own maintenance plans; the energy-saving measure experiences are used for helping pump stations with the ranking of the last 50 percent improve the energy consumption efficiency and reduce the operation cost;
the data authority management unit is used for performing authority management on the data in the data platform, so that the data leakage is avoided;
and the remote control unit is used for receiving the warning signaling transmitted by the data platform and carrying out remote early warning.
Further, the specific operation steps of the data collection by the collection unit are as follows:
installing a flow sensor and a pressure sensor on the inlet pipeline and the outlet pipeline to obtain flow and pressure data of the pump;
the temperature sensors are arranged at key parts of the pump station, namely the positions of the pump body, the bearing and the outer shell body, so as to monitor the temperature data of the equipment, wherein a plurality of temperature sensors are arranged to improve the accuracy of temperature monitoring;
the liquid level sensor should be installed in the pool or the water tank to detect the water level height data;
the vibration sensor is arranged on key components of the pump station, namely a pump body, a motor and an outer shell area, so as to detect vibration and vibration frequency data of the equipment;
the current sensor is arranged on the power line to detect the current change data of the pump;
a lubrication oil sensor should be installed in the lubrication system to monitor the level data of the lubrication oil.
Further, the specific operation steps of the primary analysis and the secondary analysis in the analysis unit are as follows:
the specific steps of the primary analysis include:
the acquired pump flow and pressure, equipment temperature, water level height, equipment vibration frequency, current change and lubricating oil liquid level are respectively compared with a preset flow interval, a preset pressure interval, a preset equipment temperature interval, a preset water level height interval, a preset equipment vibration frequency interval, a preset current floating interval and a preset lubricating oil liquid level interval, when the existence of collected data is not within the preset interval range, abnormal data are positioned, and warning signaling is recorded and generated at the same time;
the specific steps of the secondary analysis include:
summarizing collected data about the pump, wherein the collected data comprise flow, pressure, temperature, vibration frequency and current of the pump;
obtaining flow, pressure, temperature, vibration frequency and current constant values of a pump, respectively calculating deviation values with monitored actual values, respectively obtaining flow deviation values, pressure deviation values, temperature deviation values, vibration frequency deviation values and current deviation values, analyzing and calculating to obtain a shadow value, and calibrating the shadow value as CAZ;
summarizing the acquired environment-related data, wherein the method specifically comprises the following steps: bearing temperature, shell body temperature, water level height, motor vibration frequency, shell body vibration frequency and lubricating oil level;
calculating difference values between the obtained bearing temperature and the shell temperature and the bearing temperature constant value and the shell temperature constant value respectively to obtain an axle temperature deviation value and a shell temperature constant value, taking the axle temperature deviation value as a base circle radius, setting a cone for a shell Wen Changzhi, calculating the set cone volume, and setting the cone volume as Wen Pianzhi and calibrating as WPZ;
calculating difference values between the motor vibration frequency and the outer shell vibration frequency and preset motor vibration frequency constant values and outer shell vibration frequency constant values to obtain a motor vibration deflection value and a shell vibration deflection value, respectively establishing two intersecting circles of the obtained motor vibration deflection value and the obtained shell vibration deflection value according to the radiuses of the two intersecting circles, and presetting a circle center distance, wherein the circle center distance is smaller than the motor vibration deflection value and the shell vibration deflection value, calculating the areas of the two intersecting circle areas, and defining the areas as vibration deflection values and calibrating the areas as ZPZ;
establishing a hyperbolic graph of the monitored water level and the monitored lubricating oil level, taking time as an abscissa, taking the water level and the lubricating oil level as an ordinate, marking an upper limit value line and a lower limit value line of the water level and the lubricating oil level in the hyperbolic graph respectively, recording the times that the hyperbola of the hyperbolic graph of the water level and the lubricating oil level exceeds the upper limit value line and the lower limit value line of the water level and the upper limit value line and the lower limit value line of the lubricating oil level, calculating the sum of two times of overrun, defining the sum of times as an overrun value and calibrating the sum as CXZ;
and respectively carrying out normalization processing on the obtained shadow values CAZ, wen Pianzhi WPZ, the vibration deflection value ZPZ and the overrun value CXZ, and substituting the obtained shadow values CAZ, wen Pianzhi WPZ, the vibration deflection value ZPZ and the overrun value CXZ into the following formula:to obtain an operational influence value YYZ, wherein +.>θ, ρ and σ are respectively a CAZ preset weight coefficient, a Wen Pianzhi WPZ preset weight coefficient, a ZPZ preset weight coefficient and an CXZ preset weight coefficient with an overrun value, and are respectively 1.221, 1.356, 0.985 and 1.002; the operation state score of the whole pump station is lower as the operation influence value YYYZ obtained by calculation is larger, and the operation state score of the pump station is higher as the operation influence value YYZ obtained by calculation is smaller.
Further, the specific operation steps of the data authority management unit for performing authority management on the data are as follows:
firstly, marking each pump station manager terminal, giving authority for data transmission to the pump station manager terminal, simultaneously presetting a verification program in the manager terminal, verifying the identity of the manager, and jointly checking the requirement of adding or deleting the authority by the authority who completes verification;
establishing a permission policy, and establishing a corresponding permission policy according to the data classification and marking results, wherein the permission policy comprises detailed rules of which permission persons can access, modify or share which data and operation permissions, and an administrator has the highest permissions, and data settings which can only be accessed by a specific team are limited to the permissions of the team;
establishing a monitoring and auditing mechanism, continuously tracking the access and use conditions of data through a log recording and auditing function, and timely detecting and responding to abnormal operation or unauthorized access behaviors;
when pump station manager with the ranking of the back 50% needs to acquire pump station related data with the ranking of the front 50%, the data leakage is avoided through the consent of authority personnel of the pump station manager terminal providing the pump station related data.
Further, the specific operation steps of the remote control unit for remote early warning are as follows:
alarm notification: sending an alarm notice to a related personnel terminal, wherein the alarm notice comprises a pump station operation and maintenance personnel, a manager and specific abnormal data and specific positions recorded by an analysis unit, and reminding the related personnel to notice that the abnormal situation reaches an abnormal area for inspection of abnormal data transmission in time;
data anomaly record: recording abnormal data, including the occurrence time of the abnormality, specific numerical values and information of the affiliated devices, analyzing the occurrence frequency of the abnormality of each affiliated device, and marking the area when the frequency exceeds a preset value;
and (3) automatic shutdown: automatically triggering stopping operation, and stopping operation of abnormal equipment of a related pump station so as to avoid further damage or accidents;
alarm signal transmission: transmitting the abnormal signal to an alarm system, and triggering an audible and visual alarm or other alarm devices to remind field personnel of paying attention to the abnormal situation;
remote adjustment parameters: and under the condition of supporting the remote control module, remotely adjusting related parameters, and attempting to recover a normal running state or reduce the influence of abnormal conditions.
Further, the remote adjustment parameter specific adjustment logic includes:
when the flow and the pressure are detected to be abnormal, when the flow is too high, the flow is reduced by adjusting an outlet valve of a pump station or adjusting the operation speed of the pump, and when the flow is too low, the operation speed of the pump is increased or an inlet valve is adjusted to improve the flow; when the pressure is abnormal, the pressure is regulated by regulating the outlet valve of the pump station, regulating the running speed of the pump or regulating the pipe network configuration of the pump station, so that the regulated flow and pressure reach within a preset flow interval and pressure interval;
when the temperature of the equipment is abnormal, the temperature is too high, so that the load is reduced or the effect of a cooling system is improved, namely, the flow rate of cooling water is increased, and the running power of a cooling fan is improved; for the temperature of the equipment to be too low, checking the working condition of a heating system, increasing the heating power or checking the damage condition of a heating element, and adjusting the monitored temperature to be within the temperature range of the equipment;
when the water level is abnormal, the water level is too high, the valve opening of the water inlet is reduced or the opening of the water outlet is increased, so that the water inflow is reduced or the water discharging speed is increased; the water level is too low, the opening of a valve of the water inlet is increased or the opening of the water outlet is reduced, so that the water inflow is increased or the water discharging speed is reduced; the water level is adjusted to enable the water level height to be located in a preset water level height interval range;
when the vibration frequency of the equipment is abnormal, the vibration frequency abnormality indicates that the equipment has unbalance, looseness or failure problems, and the remote adjustment parameters comprise reduction of the load of the equipment and adjustment of the rotating speed; the equipment vibration frequency is located in a preset equipment vibration frequency interval range through remote adjustment;
when the current change is abnormal, for the current abnormality, controlling the current by adjusting the running speed or voltage of the motor, and when the current is overlarge, reducing the running speed or increasing the load; when the current is too small, the running speed is increased or the stability of the power supply system is checked; the monitored current is located in a preset current floating interval range through adjustment;
when the liquid level of the lubricating oil is abnormal, automatically checking the working states of an oil return pipeline and an oil pump of the lubricating system, and timely taking corresponding measures to remove the blockage of a flushing system; and for the too low liquid level of the lubricating oil, determining the amount of the lubricating oil in the oil tank, automatically adding the lubricating oil, and enabling the liquid level of the lubricating oil to be positioned in a range of the liquid level interval of the lubricating oil by adjusting.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the related data of a plurality of pump stations are uploaded, the operation states of different pump stations are analyzed for scoring, and the pump station data which are ranked at the front are used for sharing the data of the pump stations which are ranked at the back, so that the operation control of the pump stations in the system is continuously optimized, and meanwhile, the integrated management of the plurality of pump stations is facilitated, and the labor cost is reduced;
(2) The invention can effectively realize the remote monitoring of the operation data of the pump station, and can carry out remote control and adjustment through abnormal data, thereby being beneficial to improving the management and response efficiency of the pump station, stopping the damage in time and further reducing the management cost of the pump station.
Drawings
For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
fig. 1 is a general block diagram of the system of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present disclosure is for the purpose of describing particular embodiments only, and is not intended to be limiting of the disclosure. As used in the specification and claims of this disclosure, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in the present disclosure and claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As shown in FIG. 1, the intelligent control system for the hydraulic pump station comprises a collection unit, an analysis unit, a data platform, a data authority management unit and a remote control unit;
the collecting unit is used for acquiring the running state and the environment information of the pump station in real time through sensors arranged at key positions of the pump station;
specific: installing a flow sensor and a pressure sensor on the inlet pipeline and the outlet pipeline to obtain flow and pressure data of the pump; the temperature sensors are arranged at key parts of the pump station, such as the positions of the pump body, the bearing and the outer shell, so as to monitor the temperature data of the equipment, wherein a plurality of temperature sensors can be arranged to improve the accuracy of temperature monitoring; the liquid level sensor should be installed in the pool or the water tank to detect the water level height data; the vibration sensor is arranged on key components of the pump station, such as a pump body, a motor and an outer shell area, so as to detect vibration and vibration frequency data of the equipment; the current sensor is arranged on the power line to detect the current change data of the pump; the lubricating oil sensor is arranged in the lubricating system so as to monitor the liquid level data of the lubricating oil;
the analysis unit is used for collecting the data transmitted by the unit, collecting, processing and analyzing the data to obtain accurate feedback of the operation state of the pump station;
specific analyses include primary and secondary analyses:
the specific steps of the primary analysis include: the acquired pump flow and pressure, equipment temperature, water level height, equipment vibration frequency, current change and lubricating oil liquid level are respectively compared with a preset flow interval, a preset pressure interval, a preset equipment temperature interval, a preset water level height interval, a preset equipment vibration frequency interval, a preset current floating interval and a preset lubricating oil liquid level interval, when the existence of collected data is not within the preset interval range, abnormal data are positioned, and warning signaling is recorded and generated at the same time;
the specific steps of the secondary analysis include: summarizing collected data about the pump, wherein the collected data comprise flow, pressure, temperature, vibration frequency and current of the pump; obtaining flow, pressure, temperature, vibration frequency and current constant values of a pump, respectively calculating deviation values with monitored actual values, respectively obtaining flow deviation values, pressure deviation values, temperature deviation values, vibration frequency deviation values and current deviation values, respectively calibrating the flow, pressure, temperature, vibration frequency deviation values and current deviation values to LP, YP, WP, ZP and DP, and substituting the values into a formula after normalization processing:
to obtain the shade value CAZ, wherein alpha, beta, χ, ε, and ++>The preset weight coefficients of the flow deviation value LP, the preset weight coefficient of the pressure deviation value YP, the preset weight coefficient of the temperature deviation value WP, the preset weight coefficient of the vibration deviation value ZP and the preset weight coefficient of the current deviation value DP are respectively taken as 0.993, 1.001, 1.223, 0.963 and 1.332; summarizing the acquired environment-related data, wherein the method specifically comprises the following steps: bearing temperature, shell body temperature, water level height, motor vibration frequency, shell body vibration frequency and lubricating oil level; calculating difference values between the obtained bearing temperature and the shell temperature and the bearing temperature constant value and the shell temperature constant value respectively to obtain an axle temperature deviation value and a shell temperature constant value, taking the axle temperature deviation value as a base circle radius, setting a cone for a shell Wen Changzhi, calculating the set cone volume, and setting the cone volume as Wen Pianzhi and calibrating as WPZ;
calculating difference values between the motor vibration frequency and the outer shell vibration frequency and preset motor vibration frequency constant values and outer shell vibration frequency constant values to obtain a motor vibration deflection value and a shell vibration deflection value, respectively establishing two intersecting circles of the obtained motor vibration deflection value and the obtained shell vibration deflection value according to the radiuses of the two intersecting circles, and presetting a circle center distance, wherein the circle center distance is smaller than the motor vibration deflection value and the shell vibration deflection value, calculating the areas of the two intersecting circle areas, and defining the areas as vibration deflection values and calibrating the areas as ZPZ;
establishing a hyperbolic graph of the monitored water level and the monitored lubricating oil level, taking time as an abscissa, taking the water level and the lubricating oil level as an ordinate, marking an upper limit value line and a lower limit value line of the water level and the lubricating oil level in the hyperbolic graph respectively, recording the times that the hyperbola of the hyperbolic graph of the water level and the lubricating oil level exceeds the upper limit value line and the lower limit value line of the water level and the upper limit value line and the lower limit value line of the lubricating oil level, calculating the sum of two times of overrun, defining the sum of times as an overrun value and calibrating the sum as CXZ;
and respectively carrying out normalization processing on the obtained shadow values CAZ, wen Pianzhi WPZ, the vibration deflection value ZPZ and the overrun value CXZ, and substituting the obtained shadow values CAZ, wen Pianzhi WPZ, the vibration deflection value ZPZ and the overrun value CXZ into the following formula:to obtain an operational influence value YYZ, wherein +.>θ, ρ and σ are respectively a CAZ preset weight coefficient, a Wen Pianzhi WPZ preset weight coefficient, a ZPZ preset weight coefficient and an CXZ preset weight coefficient with an overrun value, and are respectively 1.221, 1.356, 0.985 and 1.002; the operation influence value YYZ obtained through calculation is larger, the operation state score of the whole pump station is lower, and otherwise, the operation state score of the pump station is higher;
the data platform is used for receiving the data analyzed by the analysis unit so as to store and compare the data of different pump stations;
abnormal data and warning signaling recorded by primary analysis of the pump station in the analysis module are obtained and sent to a remote control unit; meanwhile, an operation influence value YYZ obtained by the second-stage analysis of the pump stations in the analysis module is obtained, data association is carried out on different pump stations through unique identifiers or other key fields of the pump stations, and the operation state scores of the pump stations are ordered through the sizes of a plurality of operation influence values YYZ of the pump stations; acquiring different pump station related data, wherein the specific pump station related data comprises: operation data: various operation indexes of the pump station, such as flow, pressure, power consumption and the like; fault recording: fault records of the pump station, including fault types, repairing measures, effects and the like; maintenance strategy: maintenance strategies and plans for pump stations, including practice experience in terms of periodic maintenance, equipment replacement, etc.; energy-saving measures: successful energy-saving measures and implementation effects of the pump station, such as using a high-efficiency pump set, improving the design of a pump station pipe network, and the like;
sharing the related data of the pump stations with the scores of the first 50% of running states to the pump stations with the ranks of the last 50%, wherein the shared running data can help the pump stations with the ranks of the last 50% to know the running states and performance of the excellent pump stations; the fault records are used for helping pump stations after ranking to identify common fault modes, so that the efficiency and the accuracy of fault processing are improved; the maintenance strategy can provide reference for the pump stations ranked as the last 50%, and help the pump stations to make and optimize own maintenance plans; the energy-saving measure experience can help the pump stations which are ranked as the last 50 percent to improve the energy consumption efficiency and reduce the operation cost;
the data authority management unit is used for performing authority management on the data in the data platform;
firstly, marking each pump station manager terminal, giving the authority of data transmission to the pump station manager terminal, meanwhile, presetting a verification program in the manager terminal, verifying the identity of the manager, simultaneously, checking the requirements of adding or deleting the authority by the authority people who finish verification, simultaneously, formulating an authority strategy, and formulating a corresponding authority strategy according to the data classification and marking results, wherein the authority strategy comprises detailed regulations of which corner authority people can access, modify or share which data and operation authority, wherein the manager can have the highest authority, and the authority of the team can be limited only by the data which can only be accessed by a specific team; establishing a monitoring and auditing mechanism, and continuously tracking the access and use conditions of data through log records and auditing works, and timely detecting and responding to abnormal operation or unauthorized access behaviors; when pump station manager with the ranking of 50% is required to acquire pump station related data with the ranking of 50%, the data leakage is avoided through the consent of authority personnel of the pump station manager terminal providing the pump station related data;
the remote control unit is used for receiving the warning signaling transmitted by the data platform and carrying out remote early warning;
the specific remote early warning operation comprises the following steps: alarm notification: sending an alarm notice to a related personnel terminal, wherein the alarm notice comprises pump station operation and maintenance personnel and management personnel, and also comprises specific abnormal data and specific positions recorded by an analysis unit, so as to remind the related personnel of timely reaching the abnormal region inspection of the abnormal data transmission under the abnormal condition; data anomaly record: recording abnormal data, including the occurrence time of the abnormality, specific numerical values and information of the affiliated devices, analyzing the occurrence frequency of the abnormality of each affiliated device, and marking the area when the frequency exceeds a preset value; and (3) automatic shutdown: according to the severity and safety of the abnormal situation, automatically triggering a stopping operation, and stopping operation of related pump station equipment so as to avoid further damage or accidents; alarm signal transmission: transmitting the abnormal signal to an alarm system, and triggering an audible and visual alarm or other alarm devices to remind field personnel of paying attention to the abnormal situation; remote adjustment parameters: under the supporting condition of the remote control module, the related parameters such as the set values of the pump station flow and the pressure can be remotely adjusted to try to recover the normal running state or reduce the influence of abnormal conditions;
specific adjustment logic includes:
when the flow and the pressure are detected to be abnormal, when the flow is too high, the flow is reduced by adjusting an outlet valve of a pump station or adjusting the operation speed of the pump, and when the flow is too low, the operation speed of the pump is increased or an inlet valve is adjusted to improve the flow; when the pressure is abnormal, the pressure is regulated by regulating the outlet valve of the pump station, regulating the running speed of the pump or regulating the pipe network configuration of the pump station, so that the regulated flow and pressure reach within a preset flow interval and pressure interval; when the temperature of the equipment is abnormal, the temperature is too high, so that the load is reduced or the effect of a cooling system is improved, such as increasing the flow rate of cooling water and improving the running power of a cooling fan; for the temperature of the equipment is too low, the working condition of a heating system can be checked, the heating power is increased or the damage condition of a heating element is checked, and the monitored temperature is located in the temperature interval range of the equipment by adjusting; when the water level is abnormal, the water level is too high, the valve opening of the water inlet is reduced or the opening of the water outlet is increased, so that the water inflow is reduced or the water discharging speed is increased; the water level is too low, the opening of a valve of the water inlet is increased or the opening of the water outlet is reduced, so that the water inflow is increased or the water discharging speed is reduced, and the water level is positioned in a preset water level height interval range through adjusting the water level; when the vibration frequency of the equipment is abnormal, the vibration frequency abnormality may indicate that the equipment has the problems of unbalance, looseness or faults, and the like, and the remote adjustment parameters can comprise reducing the load of the equipment and adjusting the rotating speed, so that the vibration frequency of the equipment is positioned in a preset vibration frequency interval range of the equipment through remote adjustment; when the current change is abnormal, for the current abnormality, controlling the current by adjusting the running speed or voltage of the motor, and when the current is overlarge, reducing the running speed or increasing the load; when the current is too small, the running speed is increased or the stability of the power supply system is checked, and the monitored current is positioned in a preset current floating interval range through adjustment; when the liquid level of the lubricating oil is abnormal, automatically checking the working states of an oil return pipeline and an oil pump of the lubricating system, and timely taking corresponding measures, such as removing blockage of a flushing system; and for the too low liquid level of the lubricating oil, determining the amount of the lubricating oil in the oil tank, automatically adding the lubricating oil, and enabling the liquid level of the lubricating oil to be positioned in a range of the liquid level interval of the lubricating oil by adjusting.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. An intelligent control system for a hydraulic pump station, comprising:
the collecting unit is used for acquiring the running state and the environment information of the pump station in real time through sensors arranged at key positions of the pump station;
characterized by further comprising:
the analysis unit is used for carrying out primary analysis and secondary analysis on the operation state and the environmental information of the pump station to obtain accurate feedback of the operation state of the pump station; the specific steps of the secondary analysis include: summarizing collected data about the pump, wherein the collected data comprise flow, pressure, temperature, vibration frequency and current of the pump; obtaining flow, pressure, temperature, vibration frequency and current constant values of a pump, respectively calculating deviation values with monitored actual values, respectively obtaining flow deviation values, pressure deviation values, temperature deviation values, vibration frequency deviation values and current deviation values, analyzing and calculating to obtain a shadow value, and calibrating the shadow value as CAZ; summarizing the acquired environment-related data, wherein the method specifically comprises the following steps: bearing temperature, shell body temperature, water level height, motor vibration frequency, shell body vibration frequency and lubricating oil level; calculating difference values between the obtained bearing temperature and the shell temperature and the bearing temperature constant value and the shell temperature constant value respectively to obtain an axle temperature deviation value and a shell temperature constant value, taking the axle temperature deviation value as a base circle radius, setting a cone for a shell Wen Changzhi, calculating the set cone volume, and setting the cone volume as Wen Pianzhi and calibrating as WPZ; calculating difference values between the motor vibration frequency and the outer shell vibration frequency and preset motor vibration frequency constant values and outer shell vibration frequency constant values to obtain a motor vibration deflection value and a shell vibration deflection value, respectively establishing two intersecting circles of the obtained motor vibration deflection value and the obtained shell vibration deflection value according to the radiuses of the two intersecting circles, and presetting a circle center distance, wherein the circle center distance is smaller than the motor vibration deflection value and the shell vibration deflection value, calculating the areas of the two intersecting circle areas, and defining the areas as vibration deflection values and calibrating the areas as ZPZ; establishing a hyperbolic graph of the monitored water level and the monitored lubricating oil level, taking time as an abscissa, taking the water level and the lubricating oil level as an ordinate, marking an upper limit value line and a lower limit value line of the water level and the lubricating oil level in the hyperbolic graph respectively, recording the times that the hyperbola of the hyperbolic graph of the water level and the lubricating oil level exceeds the upper limit value line and the lower limit value line of the water level and the upper limit value line and the lower limit value line of the lubricating oil level, calculating the sum of two times of overrun, defining the sum of times as an overrun value and calibrating the sum as CXZ;
normalizing the obtained shadow values CAZ, wen Pianzhi WPZ, vibration deflection value ZPZ and overrun value CXZThe following formula is entered:to obtain an operational influence value YYZ, wherein +.>θ, ρ, σ are respectively a figure-of-shadow value CAZ preset weight coefficient, a Wen Pianzhi WPZ preset weight coefficient, a vibration deflection value ZPZ preset weight coefficient, and an overrun value CXZ preset weight coefficient;
the data platform is used for receiving the data analyzed by the analysis unit so as to store and compare the data of different pump stations;
abnormal data and warning signaling recorded by primary analysis of the pump station in the analysis module are obtained and sent to a remote control unit;
meanwhile, an operation influence value YYZ obtained by the second-stage analysis of the pump stations in the analysis module is obtained, data association is carried out on different pump stations through unique identifiers or other key fields of the pump stations, and the operation state scores of the pump stations are ordered through the sizes of a plurality of operation influence values YYZ of the pump stations;
simultaneously acquiring related data of different pump stations, wherein the specific related data of the pump stations comprise operation data, fault records, maintenance strategies and energy-saving measures;
sharing the related data of the pump stations with the scores of the first 50% of running states to the pump stations with the ranks of the last 50%, wherein the shared running data helps the pump stations with the ranks of the last 50% to know the running states and performance of the excellent pump stations; the fault records are used for helping pump stations after ranking to identify common fault modes, so that the efficiency and the accuracy of fault processing are improved; the maintenance strategy provides reference for the pump stations ranked as the last 50%, and helps the pump stations to make and optimize own maintenance plans; the energy-saving measure experiences help the pump stations with the ranking of the last 50 percent improve the energy consumption efficiency and reduce the operation cost.
2. An intelligent control system for a hydraulic pump station according to claim 1, wherein the specific operation steps of the collection unit for data collection are as follows:
installing a flow sensor and a pressure sensor on the inlet pipeline and the outlet pipeline to obtain flow and pressure data of the pump;
the temperature sensors are arranged at key parts of the pump station, namely the positions of the pump body, the bearing and the outer shell body, so as to monitor the temperature data of the equipment, wherein a plurality of temperature sensors are arranged to improve the accuracy of temperature monitoring;
the liquid level sensor should be installed in the pool or the water tank to detect the water level height data;
the vibration sensor is arranged on key components of the pump station, namely a pump body, a motor and an outer shell area, so as to detect vibration and vibration frequency data of the equipment;
the current sensor is arranged on the power line to detect the current change data of the pump;
a lubrication oil sensor should be installed in the lubrication system to monitor the level data of the lubrication oil.
3. An intelligent control system for a hydraulic pump station according to claim 1, wherein the specific operation steps of the primary analysis and the secondary analysis in the analysis unit are as follows:
the specific steps of the primary analysis include:
and comparing the acquired pump flow and pressure, equipment temperature, water level height, equipment vibration frequency, current change and lubricating oil liquid level with preset flow intervals, pressure intervals, equipment temperature intervals, water level height intervals, equipment vibration frequency intervals, current floating intervals and lubricating oil liquid level intervals respectively, and when the collected data are not in the preset interval range, positioning to abnormal data and recording and generating warning signaling.
The data authority management unit is used for performing authority management on the data in the data platform, so that the data leakage is avoided;
and the remote control unit is used for receiving the warning signaling transmitted by the data platform and carrying out remote early warning.
4. The intelligent control system for a hydraulic pump station according to claim 1, wherein the specific operation steps of the data authority management unit for performing authority management on data are as follows:
firstly, marking each pump station manager terminal, giving authority for data transmission to the pump station manager terminal, simultaneously presetting a verification program in the manager terminal, verifying the identity of the manager, and jointly checking the requirement of adding or deleting the authority by the authority who completes verification;
establishing a permission policy, and establishing a corresponding permission policy according to the data classification and marking results, wherein the permission policy comprises detailed rules of which permission persons can access, modify or share which data and operation permissions, and an administrator has the highest permissions, and data settings which can only be accessed by a specific team are limited to the permissions of the team;
establishing a monitoring and auditing mechanism, continuously tracking the access and use conditions of data through a log recording and auditing function, and timely detecting and responding to abnormal operation or unauthorized access behaviors;
when pump station manager with the ranking of the back 50% needs to acquire pump station related data with the ranking of the front 50%, the data leakage is avoided through the consent of authority personnel of the pump station manager terminal providing the pump station related data.
5. The intelligent control system for a hydraulic pump station according to claim 1, wherein the specific operation steps of the remote control unit for remote pre-warning are as follows:
alarm notification: sending an alarm notice to a related personnel terminal, wherein the alarm notice comprises a pump station operation and maintenance personnel, a manager and specific abnormal data and specific positions recorded by an analysis unit, and reminding the related personnel to notice that the abnormal situation reaches an abnormal area for inspection of abnormal data transmission in time;
data anomaly record: recording abnormal data, including the occurrence time of the abnormality, specific numerical values and information of the affiliated devices, analyzing the occurrence frequency of the abnormality of each affiliated device, and marking the area when the frequency exceeds a preset value;
and (3) automatic shutdown: automatically triggering stopping operation, and stopping operation of abnormal equipment of a related pump station so as to avoid further damage or accidents;
alarm signal transmission: transmitting the abnormal signal to an alarm system, and triggering an audible and visual alarm or other alarm devices to remind field personnel of paying attention to the abnormal situation;
remote adjustment parameters: and under the condition of supporting the remote control module, remotely adjusting related parameters, and attempting to recover a normal running state or reduce the influence of abnormal conditions.
6. An intelligent control system for a hydraulic pump station according to claim 1, wherein the remote adjustment parameters comprise specific adjustment logic comprising:
when the flow and the pressure are detected to be abnormal, when the flow is too high, the flow is reduced by adjusting an outlet valve of a pump station or adjusting the operation speed of the pump, and when the flow is too low, the operation speed of the pump is increased or an inlet valve is adjusted to improve the flow; when the pressure is abnormal, the pressure is regulated by regulating the outlet valve of the pump station, regulating the running speed of the pump or regulating the pipe network configuration of the pump station, so that the regulated flow and pressure reach within a preset flow interval and pressure interval;
when the temperature of the equipment is abnormal, the temperature is too high, so that the load is reduced or the effect of a cooling system is improved, namely, the flow rate of cooling water is increased, and the running power of a cooling fan is improved; for the temperature of the equipment to be too low, checking the working condition of a heating system, increasing the heating power or checking the damage condition of a heating element, and adjusting the monitored temperature to be within the temperature range of the equipment;
when the water level is abnormal, the water level is too high, the valve opening of the water inlet is reduced or the opening of the water outlet is increased, so that the water inflow is reduced or the water discharging speed is increased; the water level is too low, the opening of a valve of the water inlet is increased or the opening of the water outlet is reduced, so that the water inflow is increased or the water discharging speed is reduced; the water level is adjusted to enable the water level height to be located in a preset water level height interval range;
when the vibration frequency of the equipment is abnormal, the vibration frequency abnormality indicates that the equipment has unbalance, looseness or failure problems, and the remote adjustment parameters comprise reduction of the load of the equipment and adjustment of the rotating speed; the equipment vibration frequency is located in a preset equipment vibration frequency interval range through remote adjustment;
when the current change is abnormal, for the current abnormality, controlling the current by adjusting the running speed or voltage of the motor, and when the current is overlarge, reducing the running speed or increasing the load; when the current is too small, the running speed is increased or the stability of the power supply system is checked; the monitored current is located in a preset current floating interval range through adjustment;
when the liquid level of the lubricating oil is abnormal, automatically checking the working states of an oil return pipeline and an oil pump of the lubricating system, and timely taking corresponding measures to remove the blockage of a flushing system; and for the too low liquid level of the lubricating oil, determining the amount of the lubricating oil in the oil tank, automatically adding the lubricating oil, and enabling the liquid level of the lubricating oil to be positioned in a range of the liquid level interval of the lubricating oil by adjusting.
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