CN117662443A - Pump package intelligent control system with terminal pressure monitoring function - Google Patents
Pump package intelligent control system with terminal pressure monitoring function Download PDFInfo
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- CN117662443A CN117662443A CN202311683750.9A CN202311683750A CN117662443A CN 117662443 A CN117662443 A CN 117662443A CN 202311683750 A CN202311683750 A CN 202311683750A CN 117662443 A CN117662443 A CN 117662443A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 180
- 238000004364 calculation method Methods 0.000 claims abstract description 27
- 230000002411 adverse Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 17
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- 238000004458 analytical method Methods 0.000 claims description 4
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- 238000005265 energy consumption Methods 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an intelligent control system of a pump set with a terminal pressure monitoring function, which belongs to the field of intelligent control of pump sets, and comprises a sensing system, an edge computing module, an execution system, a water supply unit device and a remote monitoring system, wherein the system functions comprise a man-machine interaction function, an algorithm program function and a hardware platform function, and the algorithm program comprises a water consumption detection, a most adverse point pressure calculation, a high-efficiency energy-saving algorithm and a pump set control algorithm; the hardware platform comprises embedded hardware, a tail end pressure transmitter, a pump set outlet flowmeter and a PLC controller. According to the invention, through terminal constant pressure control, the water outlet pressure is automatically regulated according to the outflow pressure required by the least adverse point of the district, so that the situations of insufficient terminal pressure at the peak and energy waste at the valley during constant pressure water supply are effectively improved.
Description
Technical Field
The invention relates to the field of intelligent control of pump sets, in particular to an intelligent control system of a pump set with a terminal pressure monitoring function.
Background
Because of the limitation of the available construction land in China, a large number of high-rise buildings are constructed in towns in China, the pressure and flow of municipal water supply networks in towns are generally difficult to meet the water requirement of the buildings, the municipal water supply networks are required to be subjected to regulation and secondary pressurization, the coverage area of secondary water supply (mainly referred to as living water part) in towns accounts for more than 60% of the urban area, the water supply amount accounts for more than 50% of the total water supply amount in towns, and the energy conservation and high efficiency of the secondary water supply are ensured to be an important link for realizing the modernization of the urban water supply.
At present, most of secondary water supply systems in building communities in China are in a pressure-superposed water supply mode of frequency conversion constant pressure pump sets and low-level water tanks for combined water supply and direct secondary frequency conversion pressurizing constant pressure water supply by utilizing municipal tap water pipe network water pressure, in the secondary pressurizing water supply systems in living communities, the main pump set pressure control mode is frequency conversion constant pressure speed regulation water supply equipment (comprising frequency conversion control cabinets, pressure sensors, water pumps, motors and other components), the water pressure of the initial end of the pipe network of the system is dynamically measured through a remote pressure meter arranged on a water outlet main pipe of the water pump, the working pressure of the initial end of the pipe network of the secondary water supply system is kept to be constant at a set working pressure value by regulating the output frequency of the frequency conversion water pump, the pressure feedback point of the mode is arranged on a water supply main pipe at the near end of a water outlet of the water pump, the mode has the advantages of being convenient in pressure value taking, the pressure measured is random and fluctuation is small, the water supply pressure of any point of the whole water supply system can be ensured as long as the set water pressure of the pump set outlet is met, the water supply system is simple to install, operate and control, and is safe and reliable, but the water supply pressure generated by the pressure feedback point is the constant value pressure of the pump outlet because the pressure feedback point of constant pressure control is arranged at the near end of the pump outlet, in order to meet the requirements of water pressure and flow rate in the peak period of users, the water head loss change caused by the pressure change of the pipe network is not considered, the excessive water head can be generated when the water is used at low peak at night, the waste is caused, and the constant pressure value of the water pump is designed according to the head meeting the most adverse working condition point of the maximum flow when the residential building of the district is designed, but in practice, the water demands of users have great differences in different periods and seasons after the district is built, the constant pressure control value of the water pump outlet according to the designed value can cause the overpressure energy consumption condition of the constant pressure variable frequency water supply system of the residential district within 70% -80% of the operation time, especially the overpressure condition is obvious during the night low-flow operation time, the redundant pressure not only affects the service life of the water supply network, but also causes redundant leakage of the water supply network, and the higher the water pressure of the system is, the higher the leakage of the district network is.
Disclosure of Invention
The invention aims to provide an intelligent control system with a terminal pressure monitoring function for a pump set, which aims to solve the problems that in the background technology, an overpressure energy consumption condition exists in the running time, particularly in the night low-flow running time, the overpressure condition is obvious, the redundant pressure not only influences the service life of a water supply pipe network, but also causes redundant leakage of the pipe network, and the higher the water pressure of the system is, the higher the leakage of a district pipe network is.
In order to achieve the above purpose, the present invention provides the following technical solutions: an intelligent control system with a terminal pressure monitoring function for a pump set comprises a sensing system, an edge computing module, an execution system, water supply unit equipment, a remote monitoring system and a hardware platform; the output port of the sensing system is connected with the input end of the edge computing module, the output end of the edge computing module is connected with the input end of the execution system, the output end of the execution system is connected with the controller of the water supply unit equipment, and the remote monitoring system is in wireless communication with the edge computing module and the execution system; the hardware platform comprises embedded hardware, a tail end pressure transmitter, a pump set outlet flowmeter and a PLC controller, wherein the output end of the pump set outlet flowmeter is structurally connected with the input end of the PLC, and the input end of the tail end pressure transmitter is connected to an output end interface of the PLC;
as a further preferred aspect of the present invention: the sensing system comprises a water tank liquid level meter, a pump set outlet flowmeter and a tail end pressure transmitter, the edge computing module comprises a storage system, an algorithm module, a communication module and a safety module, the execution system comprises a controller and a frequency converter, and the remote monitoring system comprises a data system, a safety early warning system, a remote control system, a message center and a control log; the storage data of the water tank liquid level meter, the pump set outlet flowmeter and the tail end pressure transmitter are stored by a storage system, the data of the storage module is accessed into the communication module by an algorithm module, the communication module is in wireless transmission with the controller, and the output end of the controller is connected with the control end of the frequency converter;
as a further preferred aspect of the present invention: the water supply unit equipment comprises a plurality of groups of water pumps, a water inlet pipe and a water outlet pipe, wherein the water outlet pipe is provided with a pump group outlet flowmeter and a water outlet pressure sensor, the water supply unit equipment is provided with a throw-in type liquid level meter in a water tank of an old reconstruction district, the water inlet pipe is provided with a water inlet pressure sensor, the water tank liquid level meter, the pump group outlet flowmeter, the water inlet pressure sensor and the water outlet pressure sensor are all connected with a storage system, the storage system sends a control instruction to an execution system through a communication module after being calculated by an algorithm module, and the frequency converter controls the outflow pressure of the water supply unit;
as a further preferred aspect of the present invention: the edge calculation module is used for setting a pressure set value related to the water inlet pressure sensor, increasing the water outlet of the water supply device when the water outlet pressure value of the pressure sensor is smaller than the set value, and reducing the water outlet of the water supply device when the water outlet pressure value of the pressure sensor is larger than the set value; the edge calculation module receives the pressure data of the most adverse point and then performs data filtering, the edge calculation module performs control calculation through the water use characteristics of the community, the water consumption prediction and the related indexes of the outflow pressure required by the most adverse point, and the edge calculation module outputs a control instruction to the variable frequency controller to adjust the running frequency of the water pump so as to realize constant end pressure;
as a further preferred aspect of the present invention: the system comprises a terminal pressure monitoring sensor, a pressure transmitter, an edge computing module, a water inlet pressure sensor, a water inlet flow valve, an algorithm module, a frequency conversion controller and a water supply unit, wherein the terminal pressure monitoring sensor is arranged at the most unfavorable point of water supply of a residential building, the pressure monitoring sensor feeds data of a building sampling point back to the pressure transmitter, the pressure transmitter transmits a pressure signal to the edge computing module, the edge computing module computes in the algorithm module in the edge computing module according to the signal of the pressure transmitter, the water inlet pressure sensor and the control signal of the water inlet flow valve, the edge computing module gives an output control instruction to the frequency conversion controller through a communication module, and the frequency conversion controller gives the instruction to the water supply unit;
as a further preferred aspect of the present invention: the edge computing system comprises a storage module, wherein the storage module can store district water and pressure data, the storage module performs characteristic analysis through locally stored historical data, and the storage module intelligently fills pressure values required by water supply in a missing period according to a built-in AI algorithm;
as a further preferred aspect of the present invention: the sensing system transmits the data to the PLC, the PLC compares the monitored flow and pressure data with set flow and pressure limit values, and alarms when the monitored flow and pressure data exceeds the limit value range of the safety early warning module; the safety early warning module sends an alarm signal to the remote control module and sends information in the message center module, the safety early warning module records data into the control log module at the same time, the remote control module sends a pressure flow adjusting instruction to the controller, and the controller adjusts the running frequency of the water pump through the frequency converter to realize constant end pressure;
as a further preferred aspect of the present invention: the man-machine exchange comprises pump set operation monitoring, energy efficiency conversion statistics, pump set safety pre-warning, on-site remote control, basic parameter configuration, special control configuration, a data curve view and a system control log, wherein the pump set operation monitoring, the energy efficiency conversion statistics and the pump set safety pre-warning are all arranged in a plc controller, the basic parameter configuration, the special control configuration and the data curve view are all connected with an edge calculation module, and the on-site remote control is in communication connection with a remote monitoring system.
As a further preferred aspect of the present invention: the communication module is in communication connection with the data system, the data system is in communication connection with the safety early warning module, the safety early warning module is in communication connection with the remote control module, wireless transmission is carried out between the remote control module and the controller, wireless transmission is carried out between the safety module and the message center, and communication connection is carried out between the message center and the remote control module.
As a further preferred aspect of the present invention: the terminal pressure monitoring data need to keep the acquisition density of fixed frequency, and the terminal pressure monitoring data are transmitted back to the edge computing module through networking communication;
compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the pressure monitoring and the pressure fluctuation value filtering calculation of the user at the home terminal are realized, the water consumption of a community can be calculated according to the liquid level of the water tank, and the analysis of the historical data of the side terminal and the guarantee mechanism under the failure of the sensor can be realized according to the pump set control mode with the characteristics;
2. according to the invention, through terminal constant pressure control, the water outlet pressure is automatically regulated according to the outflow pressure required by the least adverse point of the district, so that the situations of insufficient terminal pressure at the peak and energy waste at the valley during constant pressure water supply are effectively improved.
Drawings
FIG. 1 is a global diagram of system functions;
FIG. 2 is a system operational logic diagram;
FIG. 3 is a schematic diagram of an end constant pressure control technique.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: an intelligent control system with a terminal pressure monitoring function for a pump set comprises a sensing system, an edge computing module, an execution system, water supply unit equipment, a remote monitoring system and a hardware platform; the output port of the sensing system is connected with the input end of the edge computing module, the output end of the edge computing module is connected with the input end of the execution system, the output end of the execution system is connected with the controller of the water supply unit equipment, and the remote monitoring system is in wireless communication with the edge computing module and the execution system; the hardware platform comprises embedded hardware, a tail end pressure transmitter, a pump set outlet flowmeter and a PLC controller, wherein the output end of the pump set outlet flowmeter is structurally connected with the input end of the PLC, and the input end of the tail end pressure transmitter is connected to an output end interface of the PLC.
In this embodiment, specific: the sensing system comprises a water tank liquid level meter, a pump set outlet flowmeter and a tail end pressure transmitter, the edge computing module comprises a storage system, an algorithm module, a communication module and a safety module, the execution system comprises a controller and a frequency converter, and the remote monitoring system comprises a data system, a safety early warning system, a remote control system, a message center and a control log; the system comprises a water tank liquid level meter, a pump set outlet flowmeter, a terminal pressure transmitter, a storage system, an algorithm module, a communication module, a controller and an output end of the controller, wherein the storage data of the water tank liquid level meter, the pump set outlet flowmeter and the terminal pressure transmitter are stored through the storage system, the data of the storage module are accessed into the communication module through the algorithm module, wireless transmission is carried out between the communication module and the controller, and the output end of the controller is connected with the control end of the frequency converter.
In this embodiment, specific: the water supply unit equipment comprises a plurality of groups of water pumps, a water inlet pipe and a water outlet pipe, wherein the water outlet pipe is provided with a pump set outlet flowmeter and a water outlet pressure sensor, if a flowmeter (such as an old reconstruction district) cannot be additionally arranged due to condition limitation, a throw-in type liquid level meter is added into a water tank, the water inlet pipe is provided with a water inlet pressure sensor, the water tank liquid level meter, the pump set outlet flowmeter, the water inlet pressure sensor and the water outlet pressure sensor are connected with a storage system, the storage system sends a control instruction to an execution system through a communication module after being calculated by an algorithm module, and the frequency converter controls the outflow pressure of the water supply unit.
In this embodiment, specific: the edge calculation module is used for setting a pressure set value related to the water inlet pressure sensor, increasing the water outlet of the water supply device when the water outlet pressure value of the water outlet pressure sensor is smaller than the set value, and reducing the water outlet of the water supply device when the water outlet pressure value of the water outlet pressure sensor is larger than the set value; after the edge calculation module receives the pressure data of the most adverse point, data filtering is firstly performed (because the pressure can generate instantaneous fluctuation, the fluctuation value is required to be filtered in order to avoid the influence of the instantaneous fluctuation on control judgment), and finally, control calculation is performed through the water consumption characteristics of the community, the water consumption prediction and the related indexes of the outflow pressure required by the most adverse point, a control instruction is output to the variable frequency controller, and the running frequency of the water pump is adjusted to realize the constant end pressure.
In this embodiment, specific: the method is characterized in that a terminal pressure monitoring sensor is additionally arranged at the most unfavorable water supply point of a selected district building, the pressure monitoring sensor feeds data of a building sampling point back to a pressure transmitter, the pressure transmitter transmits a pressure signal to an edge computing module, the edge computing module computes in an algorithm module in the edge computing module according to the signal of the pressure transmitter, a water inlet pressure sensor and a control signal of a water inlet flow valve, the edge computing module gives an output control instruction to a variable frequency controller through a communication module, the variable frequency controller gives a command to a water accumulating unit so as to control the flow of the water supplying unit, and the terminal pressure monitoring sensor is preferably provided with 5 points in consideration of the difference of the flow of a district water supply pipe network.
In this embodiment, specific: the edge computing system comprises a storage module which can store the water and pressure data of the district for more than 12 months, if the remote pressure transmitter fails or is powered off and the like, the characteristic analysis (transverse indexes such as date, month, season and the like) is carried out through the locally stored historical data, and the pressure value required by water supply in the missing period is intelligently filled according to the built-in AI algorithm, so that the continuous and stable operation of the system is ensured.
In this embodiment, specific: the water tank liquid level meter, the pump set outlet flowmeter and the tail end pressure transmitter are used for acquiring flow and pressure data of a monitoring position and transmitting the data to the PLC, the PLC compares the monitored flow and pressure data with set flow and pressure limiting values, and alarms when the monitored flow and pressure data exceed the limiting value range of the safety early warning module; the safety early warning module sends an alarm signal to the remote control module, information is sent in the message center module, data is recorded in the control log module, the remote control module sends a pressure flow adjusting instruction to the controller, and the controller adjusts the running frequency of the water pump through the frequency converter to achieve constant end pressure.
In this embodiment, specific: the man-machine exchange comprises pump set operation monitoring, energy efficiency conversion statistics, pump set safety pre-warning, on-site remote control, basic parameter configuration, special control configuration, a data curve view and a system control log, wherein the pump set operation monitoring, the energy efficiency conversion statistics and the pump set safety pre-warning are all arranged in a plc controller, the basic parameter configuration, the special control configuration and the data curve view are all connected with an edge calculation module, and the on-site remote control is in communication connection with a remote monitoring system.
In this embodiment, specific: the communication module is in communication connection with the data system, the data system is in communication connection with the safety early warning module, the safety early warning module is in communication connection with the remote control module, wireless transmission is carried out between the remote control module and the controller, wireless transmission is carried out between the safety module and the message center, and communication connection is carried out between the message center and the remote control module.
In this embodiment, specific: the terminal pressure monitoring data needs to keep the acquisition density of a certain frequency (1 min-5 min), and is transmitted back to the edge calculation module through networking communication.
Principle of operation or principle of structure: and a flowmeter is additionally arranged at the outlet of the pump set, water supply data and water supply peak-to-peak characteristics of the district are collected, and the water supply data is transmitted back to the edge calculation module. If a flowmeter (such as an old reforming district) cannot be additionally arranged due to condition limitation, a throw-in type liquid level meter is added into a water tank, water consumption data is reversely calculated according to liquid level change by a built-in AI intelligent algorithm through collection of the liquid level of the water tank, control calculation is carried out through relevant indexes of district water consumption characteristics, water consumption prediction and outflow pressure required by the least adverse point, a control instruction is output to a variable frequency controller, further the running frequency of a water pump is adjusted to achieve constant end pressure, a storage module is included in an edge calculation system, the district water consumption and pressure data more than 12 months can be stored, and the required pressure value of water supply in a missing period is intelligently filled so as to ensure continuous and stable running of the system.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Take end pressure monitoring function's pump package intelligent control system, its characterized in that: the system comprises a sensing system, an edge computing module, an execution system, water supply unit equipment, a remote monitoring system and a hardware platform; the output port of the sensing system is connected with the input end of the edge computing module, the output end of the edge computing module is connected with the input end of the execution system, the output end of the execution system is connected with the controller of the water supply unit equipment, and the remote monitoring system is in wireless communication with the edge computing module and the execution system; the hardware platform comprises embedded hardware, a tail end pressure transmitter, a pump set outlet flowmeter and a PLC controller, wherein the output end of the pump set outlet flowmeter is structurally connected with the input end of the PLC, and the input end of the tail end pressure transmitter is connected to an output end interface of the PLC.
2. The intelligent pump set control system with an end pressure monitoring function according to claim 1, wherein: the sensing system comprises a water tank liquid level meter, a pump set outlet flowmeter and a tail end pressure transmitter, the edge computing module comprises a storage system, an algorithm module, a communication module and a safety module, the execution system comprises a controller and a frequency converter, and the remote monitoring system comprises a data system, a safety early warning system, a remote control system, a message center and a control log; the system comprises a water tank liquid level meter, a pump set outlet flowmeter, a terminal pressure transmitter, a storage system, an algorithm module, a communication module, a controller and an output end of the controller, wherein the storage data of the water tank liquid level meter, the pump set outlet flowmeter and the terminal pressure transmitter are stored through the storage system, the data of the storage module are accessed into the communication module through the algorithm module, wireless transmission is carried out between the communication module and the controller, and the output end of the controller is connected with the control end of the frequency converter.
3. The intelligent pump set control system with an end pressure monitoring function according to claim 1, wherein: the water supply unit equipment comprises a plurality of groups of water pumps, a water inlet pipe and a water outlet pipe, wherein the water outlet pipe is provided with a pump set outlet flowmeter and a water outlet pressure sensor, the water supply unit equipment is provided with a throw-in type liquid level meter in a water tank of an old reconstruction district, the water inlet pipe is provided with a water inlet pressure sensor, the water tank liquid level meter, the pump set outlet flowmeter, the water inlet pressure sensor and the water outlet pressure sensor are all connected with a storage system, the storage system sends a control instruction to an execution system through a communication module after being calculated by an algorithm module, and the frequency converter controls the outflow pressure of the water supply unit.
4. The intelligent pump set control system with an end pressure monitoring function according to claim 1, wherein: the edge calculation module is used for setting a pressure set value related to the water inlet pressure sensor, increasing the water outlet of the water supply device when the water outlet pressure value of the pressure sensor is smaller than the set value, and reducing the water outlet of the water supply device when the water outlet pressure value of the pressure sensor is larger than the set value; the edge calculation module receives the pressure data of the most adverse point and then performs data filtering, the edge calculation module performs control calculation through the water use characteristics of the community, the water consumption prediction and the related indexes of the outflow pressure required by the most adverse point, and the edge calculation module outputs a control instruction to the variable frequency controller to adjust the running frequency of the water pump so as to achieve constant end pressure.
5. The intelligent pump set control system with end pressure monitoring function according to claim 3, wherein: the system comprises a pressure transmitter, a pressure sensor, an edge calculation module, a water inlet pressure sensor, a water inlet flow valve, a communication module, a frequency conversion controller and a water supply unit, wherein the pressure sensor is arranged at the most unfavorable point of water supply of a residential building, the pressure sensor feeds data of a building sampling point back to the pressure transmitter, the pressure transmitter transmits pressure signals to the edge calculation module, the edge calculation module calculates in an algorithm module in the edge calculation module according to signals of the pressure transmitter, the water inlet pressure sensor and control signals of the water inlet flow valve, and the edge calculation module gives an output control instruction to the frequency conversion controller through the communication module, and the frequency conversion controller gives the instruction to the water supply unit.
6. The intelligent pump set control system with an end pressure monitoring function according to claim 1, wherein: the edge computing system comprises a storage module, wherein the storage module can store district water and pressure data, the storage module performs characteristic analysis through locally stored historical data, and the storage module intelligently fills pressure values required by water supply in a missing period according to a built-in AI algorithm.
7. The intelligent control system with end pressure monitoring function for a pump set according to claim 2, wherein: the sensing system transmits the data to the PLC, the PLC compares the monitored flow and pressure data with set flow and pressure limit values, and alarms when the monitored flow and pressure data exceeds the limit value range of the safety early warning module; the safety early warning module sends an alarm signal to the remote control module and sends information in the message center module, the safety early warning module records data to the control log module at the same time, the remote control module sends a pressure flow adjusting instruction to the controller, and the controller adjusts the running frequency of the water pump through the frequency converter to achieve constant end pressure.
8. The intelligent pump set control system with an end pressure monitoring function according to claim 1, wherein: the man-machine exchange comprises pump set operation monitoring, energy efficiency conversion statistics, pump set safety pre-warning, on-site remote control, basic parameter configuration, special control configuration, a data curve view and a system control log, wherein the pump set operation monitoring, the energy efficiency conversion statistics and the pump set safety pre-warning are all arranged in a plc controller, the basic parameter configuration, the special control configuration and the data curve view are all connected with an edge calculation module, and the on-site remote control is in communication connection with a remote monitoring system.
9. The intelligent pump set control system with an end pressure monitoring function according to claim 1, wherein: the communication module is in communication connection with the data system, the data system is in communication connection with the safety early warning module, the safety early warning module is in communication connection with the remote control module, wireless transmission is carried out between the remote control module and the controller, wireless transmission is carried out between the safety module and the message center, and communication connection is carried out between the message center and the remote control module.
10. The intelligent pump set control system with an end pressure monitoring function according to claim 1, wherein: the terminal pressure monitoring data needs to keep the acquisition density of fixed frequency, and the terminal pressure monitoring data is transmitted back to the edge computing module through networking communication.
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| CN202311683750.9A CN117662443A (en) | 2023-12-10 | 2023-12-10 | Pump package intelligent control system with terminal pressure monitoring function |
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| CN202311683750.9A CN117662443A (en) | 2023-12-10 | 2023-12-10 | Pump package intelligent control system with terminal pressure monitoring function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117798722A (en) * | 2024-02-29 | 2024-04-02 | 江苏帝蒙德轴承有限公司 | Rolling bearing ring processingequipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117798722A (en) * | 2024-02-29 | 2024-04-02 | 江苏帝蒙德轴承有限公司 | Rolling bearing ring processingequipment |
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