CN115306693A - Control method, device and system for monitoring water pump system - Google Patents
Control method, device and system for monitoring water pump system Download PDFInfo
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- CN115306693A CN115306693A CN202210936638.0A CN202210936638A CN115306693A CN 115306693 A CN115306693 A CN 115306693A CN 202210936638 A CN202210936638 A CN 202210936638A CN 115306693 A CN115306693 A CN 115306693A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 625
- 238000012544 monitoring process Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000004364 calculation method Methods 0.000 claims description 41
- 238000007654 immersion Methods 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 36
- 230000002159 abnormal effect Effects 0.000 claims description 24
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 17
- 229910052801 chlorine Inorganic materials 0.000 claims description 17
- 239000000460 chlorine Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 10
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 230000010365 information processing Effects 0.000 description 15
- 238000004590 computer program Methods 0.000 description 12
- 238000005086 pumping Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
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- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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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
Abstract
The invention provides a control method, a device and a system for monitoring a water pump system. The operating state of the water pump system is obtained and sent to the user side by calculating the ratio between the flow prediction data of the water pump system and the actual first flow data of the water pump system, so that the accuracy of the operating state of the water pump system can be improved, the user can know the operating state of the water pump system in time, the work adjustment of the water pump system is carried out according to the operating state, and the work efficiency of the water pump system is improved.
Description
Technical Field
The invention relates to the field of intelligent water affairs, in particular to a control method, a device and a system for monitoring a water pump system.
Background
With the improvement of the requirements of people on living level, the traditional method only displays local data and controls a secondary water supply pump room to gradually develop towards the direction of system integration, intellectualization and remote monitoring. In a large number of buildings, water pumps of a water supply system and control systems of the water pumps are concentrated in pump rooms, the pump rooms are mostly arranged in basements, and the traditional method for displaying and controlling the data of the water pumps only on site cannot feed back the bad operation state of the system to users in time when the working environment of the water pump system changes, so that the water pump system is easy to break down, inconvenience is brought to operation and maintenance of the system, and the reliability of water supply is difficult to guarantee.
Therefore, a control strategy for monitoring the water pump system is urgently needed to solve the problem that the operation state of the existing water pump system is not accurately judged.
Disclosure of Invention
The embodiment of the invention provides a control method, a control device and a control system for monitoring a water pump system, and aims to improve the accuracy of judging the running state of the water pump system.
In order to solve the above problem, an embodiment of the present invention provides a control method for monitoring a water pump system, including:
receiving first flow data, first water pressure data, second water pressure data and first operation data of a water pump unit of a water pump system; the water pump system comprises one or more groups of water pump units;
substituting the first water pressure data and the second water pressure data into a preset lift calculation formula to calculate and obtain the lift of the water pump system;
calculating to obtain first flow prediction data of each group of water pump units through a preset flow calculation formula according to the lift, the first operation data of each group and the characteristic coefficient of each group of water pump units;
and summarizing to obtain second flow prediction data of the water pump system according to the first flow prediction data of each group of water pump units, obtaining the running state of the water pump system according to the ratio of the second flow prediction data to the first flow data, and sending the running state of the water pump system to a user side.
Therefore, the invention has the following beneficial effects:
the invention provides a control method for monitoring a water pump system, which is characterized in that the lift of the water pump system is obtained through calculation of first water pressure data and second water pressure data of the water pump system, the lift is obtained through calculation in combination with first operation data of a water pump unit and a characteristic coefficient of the water pump unit, flow prediction data of each group of water pump units are obtained, and the flow prediction data of the water pump system are obtained through summarization, so that the accuracy of the flow prediction data of the water pump system is improved. The operating state of the water pump system is obtained and sent to the user side by calculating the ratio between the flow prediction data of the water pump system and the actual first flow data of the water pump system, so that the accuracy of the operating state of the water pump system can be improved, the user can know the operating state of the water pump system in time, the work adjustment of the water pump system is made according to the operating state, and the work efficiency of the water pump system is improved.
As an improvement of the above scheme, the obtaining an operation state of the water pump system according to a ratio of the second flow prediction data to the first flow data specifically includes:
when the ratio is greater than or equal to a first preset warning value, the running state of the water pump system is abnormal;
and when the ratio is smaller than a first preset warning value, the running state of the water pump system is normal.
By implementing the improved scheme of the embodiment, the operating state of the water pump system can be known by judging the ratio between the second flow prediction data and the first flow data and the first preset warning value, and when the ratio is greater than or equal to the first preset warning value, the abnormal operation of the water pump system is indicated, so that the abnormal operation state is judged; and when the ratio is smaller than a first preset warning value, indicating that the water pump system has no problem in operation, and judging that the operation state is normal.
As an improvement of the above scheme, the sending the operating state of the water pump system to the user side further includes:
when the running state of the water pump system is normal, sending the running state of the water pump system, the first flow data, the first water pressure data, the second water pressure data and the first running data of the water pump unit to a user side;
when the operating state of the water pump system is abnormal, the alarm device is started, alarm information is generated, and the alarm information, the operating state of the water pump system, the first flow data of the water pump system, the first water pressure data of the water pump system, the second water pressure data of the water pump system and the first operating data of the water pump unit of the water pump system are sent to the user side.
The improvement scheme of the embodiment is implemented, the information of the user side is fed back according to the running state of the water pump system, and when the running state of the water pump system is normal, various running information of the water pump system is fed back normally so that a user can observe the information conveniently; when the operating state of the water pump system is abnormal, at the moment, various operating information of the water pump system is normally fed back, and meanwhile, alarm information needs to be generated to remind a user that the water pump system is abnormal, so that the user can conveniently make adjustment on the work arrangement of the water pump system.
As an improvement of the above scheme, before the sending the operation state of the water pump system to the user side, the method further includes:
calculating to obtain the output shaft predicted power of each group of water pump units according to the first flow data, the first water pressure data, the second water pressure data and the known operating efficiency of each group of water pump units;
judging the running state of each group of water pump units according to the first output shaft power and the output shaft predicted power of each group of water pump units; wherein the first operating data comprises a first output shaft power;
when the power of the first output shaft of the water pump unit is smaller than or equal to the predicted power of the output shaft, the running state of the water pump unit is normal, and the running state of the water pump unit is sent to a user side;
when the power of the first output shaft of the water pump unit is larger than the predicted power of the output shaft, the running state of the water pump unit is abnormal, the alarm device is started, alarm information is generated, and the alarm information and the running state of the water pump unit are sent to a user side.
According to the improved scheme of the embodiment, besides the judgment of the flow data of the water pump system, the output shaft power of the system can be judged, the output shaft predicted power of each group of water pump units is calculated, and the obtained output shaft predicted power is compared with the actual output shaft power, so that the running state of each group of water pump units can be judged, the multidimensional judgment of the abnormal running of the water pump system and the water pump units is realized, and the monitoring accuracy of the water pump system is improved.
As an improvement of the above scheme, the method for obtaining the characteristic coefficient of each group of water pump units specifically comprises the following steps:
acquiring water flow and operating frequency of each group of water pump units, and acquiring the lift of each group of water pump units according to the water flow and the operating frequency of each group of water pump units;
respectively substituting the water flow of each group of water pump units, the operating frequency of each group of water pump units and the lift of each group of water pump units into the flow calculation formula to obtain a characteristic coefficient equation set of each group of water pump units;
and solving the characteristic coefficient equation set of each group of water pump units by a least square method to obtain the corresponding characteristic coefficient of each group of water pumps.
According to the improved scheme of the embodiment, the lift of each water pump unit is calculated, the water flow and the operating frequency of each water pump unit are combined and brought into a flow calculation formula, the characteristic coefficient equation set of each water pump unit is obtained, the equation set is solved by using a least square method, the characteristic coefficient of each water pump unit is obtained, and the calculation accuracy of the predicted flow of the water pump system can be improved.
As an improvement of the above scheme, the method further comprises the following steps:
receiving temperature and humidity data and water immersion height data of the environment where the water pump system is located, and sending the temperature and humidity data and the water immersion height data to a user side;
when the temperature and humidity data are larger than a preset temperature and humidity threshold value, starting an alarm device, sending alarm information to a user side, and starting a cooling and dehumidifying fan;
when the water immersion height data is larger than a preset water immersion height threshold value, starting an alarm device and sending alarm information to a user side;
and calculating the change rate of the water immersion height data according to the water immersion height data, starting an alarm device when the change rate is greater than a preset change rate threshold value, and sending alarm information to a user side.
The improvement scheme of embodiment is implemented, judges through humiture data and the water logging height to the environment that water pump system received, whether analysis water pump system is in dangerous condition to whether carry out the judgement whether reporting to the police according to humiture threshold value and water logging height threshold value, and can be according to the start-up of humiture information control cooling dehumidification fan, thereby realize the water pump system safety monitoring of different dimensions.
As an improvement of the above scheme, the method further comprises the following steps:
receiving water quality data of the water pump system and second operation data of the water pump unit, and sending the water quality data and the second operation data of the water pump unit to a user side; wherein, the water quality data includes: the PH value, the residual chlorine value and the turbidity, and the second operation data of the water pump unit comprise: amplitude values, noise intensity, center frequency and temperature;
when one or more of the water quality data is larger than a preset water quality threshold value, starting an alarm device and sending alarm information to a user side; wherein, the preset water quality threshold comprises: a PH threshold, a residual chlorine threshold, and a turbidity threshold;
when one or more second operation data of the water pump unit are larger than a preset operation threshold value, starting an alarm device and sending alarm information to a user side; wherein the preset operating threshold comprises: amplitude threshold, noise intensity threshold, center frequency threshold, and temperature threshold.
According to the implementation of the improved scheme of the embodiment, the water quality data of the water pump system and the second operation data of the water pump unit are judged, whether the water pump system is in the state of unsafe water quality or unsafe water pump unit operation is analyzed, and whether an alarm is given according to the water quality threshold and the operation threshold, so that the safety monitoring of the water pump system with different dimensions is realized.
As an improvement of the above scheme, the method further comprises the following steps:
receiving an object image sent by the entrance guard detection device and sending the object image to a user side;
the entrance guard detection device is used for identifying the height of an object and the staying time in a preset area; when the height of the object is greater than or equal to a preset height threshold value and the retention time is greater than a preset time threshold value, starting the face recognition equipment to shoot an object image, and performing face matching according to the shot object image: if the face similarity is larger than or equal to a preset similarity threshold, opening an entrance guard; and if the face similarity is smaller than a preset similarity threshold value, opening the entrance guard, storing and sending the object image.
According to the improved scheme of the embodiment, the object image sent by the entrance guard detection device is received and sent to the user side, so that the safety detection that non-management personnel enter the shielding area where the water pump system is located can be realized, the user is reminded of trying to break in illegally, the user can judge according to the object image, and the safety of the water pump system is improved.
Correspondingly, an embodiment of the present invention further provides a control device for monitoring a water pump system, including: the system comprises a data acquisition module, a first calculation module, a second calculation module and an information feedback module;
the data acquisition module is used for receiving first flow data, first water pressure data, second water pressure data and first operation data of the water pump set of the water pump system; the water pump system comprises one or more groups of water pump units;
the first calculation module is used for substituting the first water pressure data and the second water pressure data into a preset lift calculation formula to calculate and obtain the lift of the water pump system;
the second calculation module is used for substituting the lift, the first operation data of each group and the characteristic coefficient of each group of water pump units into a preset flow calculation formula to calculate and obtain first flow prediction data of each group of water pump units;
the information feedback module is used for summarizing and obtaining second flow prediction data of the water pump system according to the first flow prediction data of each group of water pump units, obtaining the running state of the water pump system according to the ratio of the second flow prediction data to the first flow data, and sending the running state of the water pump system to a user side.
As an improvement of the above scheme, the obtaining an operation state of the water pump system according to a ratio of the second flow prediction data to the first flow data specifically includes:
when the ratio is larger than or equal to a first preset warning value, the running state of the water pump system is abnormal;
and when the ratio is smaller than a first preset warning value, the running state of the water pump system is normal.
As an improvement of the above scheme, the sending the operating state of the water pump system to the user side further includes:
when the running state of the water pump system is normal, sending the running state of the water pump system, the first flow data, the first water pressure data, the second water pressure data and the first running data of the water pump unit to a user side;
when the operation state of the water pump system is abnormal, the alarm device is started, alarm information is generated, and the alarm information, the operation state of the water pump system, the first flow data of the water pump system, the first water pressure data of the water pump system, the second water pressure data of the water pump system and the first operation data of the water pump unit of the water pump system are sent to the user side.
As an improvement of the above solution, before the sending the operation state of the water pump system to the user side, the method further includes:
calculating to obtain the output shaft predicted power of each group of water pump units according to the first flow data, the first water pressure data, the second water pressure data and the known operating efficiency of each group of water pump units;
judging the running state of each group of water pump units according to the first output shaft power and the output shaft predicted power of each group of water pump units; wherein the first operating data comprises a first output shaft power;
when the power of the first output shaft of the water pump unit is smaller than or equal to the predicted power of the output shaft, the running state of the water pump unit is normal, and the running state of the water pump unit is sent to a user side;
when the power of the first output shaft of the water pump unit is larger than the predicted power of the output shaft, the running state of the water pump unit is abnormal, the alarm device is started, alarm information is generated, and the alarm information and the running state of the water pump unit are sent to a user side.
As an improvement of the above scheme, the method for obtaining the characteristic coefficient of each group of water pump units specifically comprises the following steps:
acquiring water flow and operating frequency of each group of water pump units, and acquiring the lift of each group of water pump units according to the water flow and the operating frequency of each group of water pump units;
respectively substituting the water flow of each group of water pump units, the operating frequency of each group of water pump units and the lift of each group of water pump units into the flow calculation formula to obtain a characteristic coefficient equation set of each group of water pump units;
and solving the characteristic coefficient equation set of each group of water pump units by a least square method to obtain the characteristic coefficient corresponding to each group of water pumps.
As an improvement of the above scheme, the method further comprises the following steps: a first information processing module;
the first information processing module is used for receiving temperature and humidity data of the environment where the water pump system is located and water immersion height data, and sending the temperature and humidity data and the water immersion height data to a user side;
when the temperature and humidity data are larger than a preset temperature and humidity threshold value, starting an alarm device, sending alarm information to a user side, and starting a cooling and dehumidifying fan;
when the water immersion height data is larger than a preset water immersion height threshold value, starting an alarm device and sending alarm information to a user side;
and calculating the change rate of the water immersion height data according to the water immersion height data, starting an alarm device when the change rate is greater than a preset change rate threshold value, and sending alarm information to the user side.
As an improvement of the above scheme, the method further comprises the following steps: a second information processing module;
the second information processing module is used for receiving water quality data of the water pump system and second operation data of the water pump unit and sending the water quality data and the second operation data of the water pump unit to a user side; wherein, the water quality data includes: the PH value, the residual chlorine value and the turbidity, and the second operation data of the water pump unit comprise: amplitude values, noise intensity, center frequency and temperature;
when one or more of the water quality data is larger than a preset water quality threshold value, starting an alarm device and sending alarm information to a user side; wherein, the preset water quality threshold comprises: a PH threshold, a chlorine residual threshold and a turbidity threshold;
when one or more second operation data of the water pump unit are larger than a preset operation threshold value, starting an alarm device and sending alarm information to a user side; wherein the preset operating threshold comprises: an amplitude threshold, a noise intensity threshold, a center frequency threshold, and a temperature threshold.
As an improvement of the above scheme, the method further comprises the following steps: a third information processing module;
the third information processing module is used for receiving the object image sent by the entrance guard detection device and sending the object image to the user side;
the entrance guard detection device is used for identifying the height of an object and the staying time in a preset area; when the height of the object is greater than or equal to a preset height threshold value and the retention time is greater than a preset time threshold value, starting the face recognition equipment to shoot an object image, and performing face matching according to the shot object image: if the face similarity is larger than or equal to a preset similarity threshold, opening the access control; and if the face similarity is smaller than a preset similarity threshold value, opening the entrance guard, storing and sending the object image.
Correspondingly, an embodiment of the present invention further provides a control system for monitoring a water pump system, including: the system comprises a control device, a water pump system, a water inlet pressure and flow detection sensor, a water outlet pressure sensor, a plurality of groups of variable frequency controllers, a temperature and humidity detection device, a water immersion detection device, a water quality detection device, a plurality of groups of vibration sensors, a plurality of groups of sound sensors, a plurality of groups of temperature sensors, an entrance guard detection device, a server, a remote monitoring platform and a mobile terminal monitoring system which are monitored by the water pump system;
the control device for monitoring the water pump system is applied to the control method for monitoring the water pump system;
and the server is used for establishing the connection between the control device monitored by the water pump system and a remote monitoring platform as well as a mobile terminal monitoring system.
Drawings
Fig. 1 is a schematic flow chart of a control method for monitoring a water pump system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control device for monitoring a water pump system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of threshold determination logic provided in accordance with one embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a control system for monitoring a water pump system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of a control method for monitoring a water pump system according to an embodiment of the present invention, and as shown in fig. 1, the present embodiment includes steps 101 to 104, where each step is specifically as follows:
step 101: receiving first flow data, first water pressure data, second water pressure data and first operation data of a water pump unit of a water pump system; the water pump system comprises one or more groups of water pump units.
In this embodiment, the water pump system generally comprises one or more groups of water pumps, a water inlet pipeline, a water outlet pipeline, a water inlet, and a water outlet; by receiving actual flow Q and inlet pressure P of the inlet conduit in (using water inlet pressure and flow sensor to collect) to obtain first flow data (flow Q) and first water pressure data (water inlet pressure P) in ) (ii) a By acquiring the water outlet pressure P of the water outlet pipeline out (collected using the effluent pressure sensor) to obtain second water pressure data (effluent pressure P) out ) (ii) a By receiving the operating frequency f of each group of water pump units n And motor output shaft power P n (acquiring by using a variable frequency controller) to obtain first operation data (operation frequency f) of the water pump unit n And motor output shaft power P n )。
Step 102: and substituting the first water pressure data and the second water pressure data into a preset lift calculation formula, and calculating to obtain the lift of the water pump system.
In this embodiment, the pressure P of the water inlet is adjusted in And the pressure P of the effluent out In the preset lift computational formula of substitution, calculate water pump system's lift H, wherein, preset lift computational formula is:
where ρ is the density of water.
Step 103: calculating to obtain first flow prediction data of each group of water pump units through a preset flow calculation formula according to the lift, the first operation data of each group and the characteristic coefficient of each group of water pump units;
in this embodiment, the lift of the water pump system and the operating frequency f of each group of water pump units are calculated n (the first operation data comprises operation frequency), and the characteristic coefficient a of each group of water pump units n 、b n 、c n Substituting the flow into a preset flow calculation formula to calculate the predicted flow Q of each group of water pump units pn (first flow prediction data) whereinThe preset flow calculation formula is as follows:
wherein n represents the nth group of pumping units, namely when the predicted flow Q of the first group of pumping units is calculated p1 In the meantime, f of the first group of water pump units n 、a n 、b n 、c n And substituting the flow into a preset flow calculation formula for calculation.
In this embodiment, the method for obtaining the characteristic coefficient of each group of water pump units specifically includes:
acquiring water flow and operating frequency of each group of water pump units, and acquiring the lift of each group of water pump units according to the water flow and the operating frequency of each group of water pump units;
respectively substituting the water flow of each group of water pump units, the operating frequency of each group of water pump units and the lift of each group of water pump units into the flow calculation formula to obtain a characteristic coefficient equation set of each group of water pump units;
and solving the characteristic coefficient equation set of each group of water pump units by a least square method to obtain the characteristic coefficient corresponding to each group of water pumps.
In this embodiment, detection is performed according to each group of water pump units in the water pump system to obtain the historical operating frequency f of each group of water pump units h And historical water flow q h A plurality of groups f obtained by collection h Ratio between and sets q h The ratio between the two is measured to obtain the lift H of each group of water pump units h (ii) a Will f is h 、q h 、H h The characteristic coefficient a related to each group of water pump units is obtained by being substituted into the flow calculation formula n 、b n 、c n And solving the equation set by using a least square method to obtain the characteristic coefficient a of each group of water pump units n 、b n 、c n 。
Step 104: and summarizing to obtain second flow prediction data of the water pump system according to the first flow prediction data of each group of water pump units, obtaining the running state of the water pump system according to the ratio of the second flow prediction data to the first flow data, and sending the running state of the water pump system to a user side.
In this embodiment, the first flow prediction data Q of each group of water pump units obtained through calculation is used pn Summarizing to obtain second flow prediction data Q of the water pump system p I.e. by
And N is the number of groups of water pump units which actually run in the water pump system.
In this embodiment, the obtaining the operation state of the water pump system according to the ratio of the second flow prediction data to the first flow data specifically includes:
when the ratio is greater than or equal to a first preset warning value, the running state of the water pump system is abnormal;
and when the ratio is smaller than a first preset warning value, the running state of the water pump system is normal.
In a specific embodiment, a first preset warning value of 1.25 is obtained through analysis of historical water pump data; when the second flow rate predicts data Q p When the ratio of the actual flow Q (first flow data) to the actual flow Q is greater than or equal to 1.25, the abnormal operation state of the water pump system is indicated, the energy consumption is high, and a check valve in the water pump has an obvious backflow phenomenon; when the second flow rate predicts data Q p When the ratio to the actual flow rate Q (first flow rate data) is less than 1.25, it indicates that the water pump system is operating normally.
In this embodiment, the sending the operating condition of the water pump system to the user side further includes:
when the running state of the water pump system is normal, sending the running state of the water pump system, the first flow data, the first water pressure data, the second water pressure data and the first running data of the water pump unit to a user side;
when the operation state of the water pump system is abnormal, the alarm device is started, alarm information is generated, and the alarm information, the operation state of the water pump system, the first flow data of the water pump system, the first water pressure data of the water pump system, the second water pressure data of the water pump system and the first operation data of the water pump unit of the water pump system are sent to the user side.
In a specific embodiment, the user side is a remote monitoring platform and a mobile terminal monitoring system, and when the operation state of the water pump system is normal, the collected water pump system data (the operation state, the first flow data, the first water pressure data, the second water pressure data and the first operation data of the water pump unit) are sent to the user side for checking; when the operation state of the water pump system is abnormal, the alarm device is started to give an alarm, meanwhile, alarm information is generated, and the alarm information and the collected water pump system data (the operation state, the first flow data, the first water pressure data, the second water pressure data and the first operation data of the water pump unit) are sent to a user side.
Before the operation state of the water pump system is sent to the user side, the method further comprises the following steps:
calculating to obtain the output shaft predicted power of each group of water pump units according to the first flow data, the first water pressure data, the second water pressure data and the known operating efficiency of each group of water pump units;
judging the running state of each group of water pump units according to the first output shaft power and the output shaft predicted power of each group of water pump units; wherein the first operating data comprises a first output shaft power;
when the power of the first output shaft of the water pump unit is smaller than or equal to the predicted power of the output shaft, the running state of the water pump unit is normal, and the running state of the water pump unit is sent to a user side;
when the power of the first output shaft of the water pump unit is larger than the predicted power of the output shaft, the running state of the water pump unit is abnormal, the alarm device is started, alarm information is generated, and the alarm information and the running state of the water pump unit are sent to a user side.
In a specific embodiment, besides the judgment of the running state of the water pump system through the flow predicted by the water pump system, the running state of the water pump system can also be judged through the output shaft of the water pump unitThe predicted power is judged, and the actual flow Q (first flow data) and the water inlet pressure P are used in (first water pressure data), effluent pressure P out Substituting (second water pressure data) and operation efficiency eta (known operation efficiency of each group of water pump units) into an output shaft predicted power calculation formula, and calculating the output shaft power of each group of water pump units, wherein the known operation efficiency eta of the water pump units is obtained by obtaining an efficiency characteristic curve of a pump through detection of the pump, and the output shaft predicted power calculation formula is as follows:
P pn ＝Q×(Pout-Pin)/(0.8×η)；
when the power P of the output shaft of the motor of the water pump unit n (first output shaft Power) is equal to or less than the corresponding P pn When the running state of the water pump unit is normal, and the normal running state is sent to a user side; when P is present n Greater than P pn And when the abnormal running state of the water pump unit is indicated, starting an alarm device, generating alarm information, and sending the alarm information and the abnormal running state to the user side.
In this embodiment, the method further includes:
receiving temperature and humidity data and water immersion height data of the environment where the water pump system is located, and sending the temperature and humidity data and the water immersion height data to a user side;
when the temperature and humidity data are larger than a preset temperature and humidity threshold value, starting an alarm device, sending alarm information to a user side, and starting a cooling and dehumidifying fan;
when the water immersion height data is larger than a preset water immersion height threshold value, starting an alarm device and sending alarm information to a user side;
and calculating the change rate of the water immersion height data according to the water immersion height data, starting an alarm device when the change rate is greater than a preset change rate threshold value, and sending alarm information to a user side.
In a specific embodiment, the environment of the water pump system is monitored, and after temperature and humidity data (collected by using a temperature and humidity detection device) and water immersion height data (collected by using a water immersion detection device) of the environment of the water pump system are received, the received data are sent to a user side;
setting the temperature and humidity threshold value as follows: 30 ℃ and 92%, when the temperature and the humidity exceed or exceed one of the temperature and humidity threshold values at the same time, starting an alarm device, generating alarm information and sending the alarm information to a user side, and simultaneously controlling a cooling and dehumidifying fan to start, and when the temperature is less than or equal to the set temperature minus 2 ℃ (namely, 30 ℃) and the humidity is less than or equal to the set humidity minus 2% (namely, 90%), closing the dehumidifying and cooling fan; when the temperature and the humidity are both smaller than the temperature and humidity threshold value, data reception is kept;
setting a water immersion height threshold value to be 0.5 m, and starting an alarm device when the water immersion height is greater than 0.5 m to generate alarm information and send the alarm information to a user side; when the water immersion height is less than or equal to 0.5 m, data reception is kept;
when the change rate threshold value is set to be 0.05 m/s and the change rate of the water immersion height is larger than the change rate threshold value, starting an alarm device, generating alarm information and sending the alarm information to a user side; when the change rate of the water immersion height is less than or equal to 0.05 m/s, data reception is maintained.
In this embodiment, the method further includes:
receiving water quality data of the water pump system and second operation data of the water pump unit, and sending the water quality data and the second operation data of the water pump unit to a user side; wherein, the water quality data includes: the PH value, the residual chlorine value and the turbidity degree, and the second operation data of the water pump unit comprise: amplitude values, noise intensity, center frequency and temperature;
when one or more of the water quality data is larger than a preset water quality threshold value, starting an alarm device and sending alarm information to a user side; wherein, the preset water quality threshold comprises: a PH threshold, a residual chlorine threshold, and a turbidity threshold;
when one or more second operation data of the water pump unit are larger than a preset operation threshold value, starting an alarm device and sending alarm information to a user side; wherein the preset operating threshold comprises: an amplitude threshold, a noise intensity threshold, a center frequency threshold, and a temperature threshold.
In a specific embodiment, the method comprises the steps of receiving water quality data (collected by a water quality detection module) of a water pump system and second operation data (collected by a variable frequency controller) of a water pump unit, and sending the received data to a user side;
setting a water quality threshold: when one or more water quality data (PH value, residual chlorine value and turbidity) is/are larger than the water quality threshold value, starting an alarm device and sending alarm information to a user side; when all the water quality data are smaller than the water quality threshold value, keeping data receiving;
setting an operation threshold value: amplitude threshold of D mt Noise intensity threshold of N mt A central frequency threshold of f ct And a temperature threshold of T t When one or more second operation data (amplitude value D) m Noise intensity N m Center frequency f c And the temperature T) is greater than the operation threshold value, starting an alarm device and sending alarm information to a user side; when all operational data is less than the operational threshold, data reception is maintained.
In this embodiment, the method further includes:
receiving an object image sent by the entrance guard detection device and sending the object image to a user side;
the entrance guard detection device is used for identifying the height of an object and the staying time in a preset area; when the height of the object is greater than or equal to a preset height threshold value and the retention time is greater than a preset time threshold value, starting the face recognition equipment to shoot an object image, and performing face matching according to the shot object image: if the face similarity is larger than or equal to a preset similarity threshold, opening the access control; and if the face similarity is smaller than a preset similarity threshold value, opening the entrance guard, storing and sending the object image.
In a specific embodiment, when an entrance guard detection device monitors that an object with a moving height not lower than 1.4 meters (height threshold value) enters a range (preset area) with a distance from the door smaller than 1 meter, the object is kept still for 3 seconds (time threshold value), a face recognition device is started, an ingested object image is matched with a face library characteristic value in an entrance guard monitoring module, if the similarity exceeds 80% (similarity threshold value), an entrance guard is opened, the ingested object image is stored, and if the similarity exceeds 80% (similarity threshold value), the entrance guard is refused to be opened, the ingested object image is stored, and the object image is transmitted at the same time;
and after receiving the object image sent by the entrance guard detection device, sending the object image to a user side.
In a specific embodiment, referring to fig. 3, after receiving the PH detection value a, the turbidity B, the residual chlorine C, the temperature D, and the humidity E, sending the values to a data collector (a control device monitored by a water pump system) for threshold judgment: taking the upper limit of the PH value as 8 and the lower limit as 6.5, and sending alarm information to a remote server when a data collector detects that the PH value A is more than 8 or less than 6.5; when the data acquisition unit detects that the PH value A is in the range of [6.5,8], sending PH value information to a remote server; meanwhile, the PH value A is sent to a remote server;
taking the set value of the turbidity as 1NTU, outputting '1' when the data acquisition unit detects that the turbidity B is more than 1NTU, and sending alarm information to a remote server; when the data acquisition unit detects that the turbidity B is less than or equal to 1NTU, outputting '0' and sending turbidity information to a remote server; meanwhile, the numerical value of the turbidity B is sent to a remote server;
taking the set value of residual chlorine as 1.8mg/L, outputting '1' when the data acquisition unit detects that the residual chlorine C is more than 1.8mg/L, and sending alarm information to a remote server; when the data acquisition unit detects that the residual chlorine C is less than or equal to 1.8mg/L, outputting '0' and sending residual chlorine C information to a remote server; meanwhile, the numerical value of the residual chlorine C is sent to a remote server;
taking the set value of the temperature as 32 ℃, outputting '1' when the data collector detects that the temperature D is higher than 32 ℃, and sending alarm information to a remote server; when the data collector detects that the temperature D is less than or equal to 32 ℃, outputting '0' and sending temperature D information to a remote server; meanwhile, the numerical value of the temperature D is sent to a remote server;
taking the set value of the humidity as 92%, outputting '1' when the data acquisition unit detects that the humidity E is more than 92%, and sending alarm information to a remote server; when the data acquisition unit detects that the humidity E is less than or equal to 92%, outputting '0' and sending humidity E information to the remote server; and simultaneously sending the value of the humidity E to a remote server. In addition, when the temperature is higher than the set temperature by 32 ℃ or the humidity is 92% of the set humidity, the system starts a dehumidification cooling fan; when the temperature is less than or equal to the set temperature minus 2 ℃ (namely 30 ℃) and the humidity is less than or equal to the set humidity minus 2% (namely 90%), the dehumidification cooling fan is closed;
meanwhile, after receiving the relevant information, the server transmits the relevant information to the remote monitoring platform and the mobile phone APP monitoring system.
The embodiment is directed at the problem that current pump house system exists, on existing pump house system basis, through receiving and inside data such as the operation information of water pump system, the environmental information of locating and quality of water information, judge water pump system's running state to feed back the user end with received inside data and judged result, thereby intake real time monitoring to water pump system, and then reduce the work load of operation maintenance and the reliability that improves system operation.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of a control device for monitoring a water pump system according to an embodiment of the present invention, including: the system comprises a data acquisition module 201, a first calculation module 202, a second calculation module 203 and an information feedback module 204;
the data acquisition module 201 is configured to receive first flow data, first water pressure data, second water pressure data of the water pump system, and first operation data of the water pump unit; the water pump system comprises one or more groups of water pump units;
the first calculating module 202 is configured to substitute the first water pressure data and the second water pressure data into a preset lift calculating formula, and calculate to obtain a lift of the water pump system;
the second calculating module 203 is configured to substitute the lift, the first operating data of each group, and the characteristic coefficient of each group of water pump units into a preset flow calculation formula, and calculate to obtain first flow prediction data of each group of water pump units;
the information feedback module 204 is configured to obtain second flow prediction data of the water pump system according to the first flow prediction data of each group of the water pump units, obtain an operation state of the water pump system according to a ratio of the second flow prediction data to the first flow prediction data, and send the operation state of the water pump system to the user side.
As an improvement of the above scheme, the obtaining an operation state of the water pump system according to a ratio of the second flow prediction data to the first flow data specifically includes:
when the ratio is greater than or equal to a first preset warning value, the running state of the water pump system is abnormal;
and when the ratio is smaller than a first preset warning value, the running state of the water pump system is normal.
As an improvement of the above scheme, the sending the operating state of the water pump system to the user side further includes:
when the running state of the water pump system is normal, sending the running state of the water pump system, the first flow data, the first water pressure data, the second water pressure data and the first running data of the water pump unit to a user side;
when the operating state of the water pump system is abnormal, the alarm device is started, alarm information is generated, and the alarm information, the operating state of the water pump system, the first flow data of the water pump system, the first water pressure data of the water pump system, the second water pressure data of the water pump system and the first operating data of the water pump unit of the water pump system are sent to the user side.
As an improvement of the above solution, before the sending the operation state of the water pump system to the user side, the method further includes:
calculating to obtain the output shaft predicted power of each group of water pump units according to the first flow data, the first water pressure data, the second water pressure data and the known operating efficiency of each group of water pump units;
judging the running state of each group of water pump units according to the first output shaft power and the output shaft predicted power of each group of water pump units; wherein the first operating data comprises a first output shaft power;
when the power of the first output shaft of the water pump unit is smaller than or equal to the predicted power of the output shaft, the running state of the water pump unit is normal, and the running state of the water pump unit is sent to a user side;
when the power of the first output shaft of the water pump unit is larger than the predicted power of the output shaft, the running state of the water pump unit is abnormal, the alarm device is started, alarm information is generated, and the alarm information and the running state of the water pump unit are sent to a user side.
As an improvement of the above scheme, the method for obtaining the characteristic coefficient of each group of water pump units specifically comprises the following steps:
acquiring water flow and operating frequency of each group of water pump units, and acquiring the lift of each group of water pump units according to the water flow and the operating frequency of each group of water pump units;
substituting the water flow of each group of water pump units, the operating frequency of each group of water pump units and the lift of each group of water pump units into the flow calculation formula respectively to obtain a characteristic coefficient equation set of each group of water pump units;
and solving the characteristic coefficient equation set of each group of water pump units by a least square method to obtain the characteristic coefficient corresponding to each group of water pumps.
As an improvement of the above scheme, the method further comprises the following steps: a first information processing module 205;
the first information processing module 205 is configured to receive temperature and humidity data of an environment where the water pump system is located and water immersion height data, and send the temperature and humidity data and the water immersion height data to a user side;
when the temperature and humidity data are larger than a preset temperature and humidity threshold value, starting an alarm device, sending alarm information to a user side, and starting a cooling and dehumidifying fan;
when the water immersion height data is larger than a preset water immersion height threshold value, starting an alarm device and sending alarm information to a user side;
and calculating the change rate of the water immersion height data according to the water immersion height data, starting an alarm device when the change rate is greater than a preset change rate threshold value, and sending alarm information to a user side.
As an improvement of the above scheme, the method further comprises the following steps: a second information processing module 206;
the second information processing module 206 is configured to receive water quality data of the water pump system and second operation data of the water pump unit, and send the water quality data and the second operation data of the water pump unit to a user side; wherein, the water quality data include: the PH value, the residual chlorine value and the turbidity degree, and the second operation data of the water pump unit comprise: amplitude values, noise intensity, center frequency and temperature;
when one or more of the water quality data is larger than a preset water quality threshold value, starting an alarm device and sending alarm information to a user side; wherein, the preset water quality threshold comprises: a PH threshold, a chlorine residual threshold and a turbidity threshold;
when one or more second operation data of the water pump unit are larger than a preset operation threshold value, starting an alarm device and sending alarm information to a user side; wherein the preset operating threshold comprises: an amplitude threshold, a noise intensity threshold, a center frequency threshold, and a temperature threshold.
As an improvement of the above scheme, the method further comprises the following steps: a third information processing module 207;
the third information processing module 207 is configured to receive the object image sent by the access control detection device, and send the object image to the user side;
the entrance guard detection device is used for identifying the height of an object and the staying time in a preset area; when the height of the object is greater than or equal to a preset height threshold value and the retention time is greater than a preset time threshold value, starting the face recognition equipment to shoot an object image, and performing face matching according to the shot object image: if the face similarity is larger than or equal to a preset similarity threshold, opening an entrance guard; and if the face similarity is smaller than a preset similarity threshold value, opening the entrance guard, storing and sending the object image.
According to the embodiment, the data acquisition module is used for receiving the detection data of the water pump system, the flow prediction data are calculated in the first calculation module and the second calculation module according to the monitoring data, and after the operation state of the water pump system is judged in the information feedback module through the flow prediction data obtained through calculation, the operation state is fed back to a user, so that the monitoring of the water pump system is realized, and the judgment accuracy of the abnormality of the water pump system is improved. Meanwhile, the abnormity judgment of other operation monitoring data of the water pump system is carried out through the first information processing module, the second information processing module and the third information processing module, so that the abnormity judgment accuracy of the water pump system is further improved, and the operation safety of the water pump system is favorably improved.
EXAMPLE III
Referring to fig. 4, fig. 4 is a schematic structural diagram of a control system for monitoring a water pump system according to an embodiment of the present invention.
The control system that water pump system control that this embodiment provided includes: the system comprises a control device 401, a water pump system 402, a water inlet pressure and flow detection sensor 403, a water outlet pressure sensor 404, a plurality of groups of variable frequency controllers 405, a temperature and humidity detection device 406, a water immersion detection device 407, a water quality detection device 408, a plurality of groups of vibration sensors 409, a plurality of groups of sound sensors 410, a plurality of groups of temperature sensors 411, an entrance guard detection device 412, a server 413, a remote monitoring platform 414 and a mobile terminal monitoring system 415, wherein the water pump system is monitored;
the control device 401 for monitoring the water pump system is applied to the control method for monitoring the water pump system;
the server 413 is configured to establish a connection between the control device 401 monitored by the water pump system and the remote monitoring platform 414, and the mobile terminal monitoring system 415.
The water pump system 402 includes: the water inlet 4021, a water inlet pipeline 4022, a water outlet 4023, a water outlet pipeline 4024 and a plurality of groups of water pump units 4025;
this embodiment is through various sensors acquisition pumping system's internal information, and send and carry out the threshold value judgement among the pumping system controlling means, thereby form complete monitored control system, be favorable to improving pumping system's security, can in time feed back to pumping system's running state, thereby the reliability of pumping system operation has been improved, and through removing end and monitor platform and interacting, be favorable to a plurality of pumping system maintainers and administrator to monitor pumping system, thereby make the user can in time make the counter-measure to pumping system's unusual running state.
Example four
Referring to fig. 5, fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
A terminal device of this embodiment includes: a processor 501, a memory 502 and a computer program stored in said memory 502 and executable on said processor 501. The processor 501, when executing the computer program, implements the steps of the control method for monitoring the water pump system in the embodiment, for example, all the steps of the control method for monitoring the water pump system shown in fig. 1. Alternatively, the processor, when executing the computer program, implements the functions of the modules in the foregoing device embodiments, for example: all the modules of the control device monitored by the water pump system shown in fig. 2.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, where when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the control method for monitoring the water pump system according to any of the above embodiments.
It will be appreciated by those skilled in the art that the schematic diagram is merely an example of a terminal device and does not constitute a limitation of the terminal device, and may include more or fewer components than shown, or some components may be combined, or different components, e.g., the terminal device may also include input output devices, network access devices, buses, etc.
The Processor 501 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general processor may be a microprocessor or the processor may be any conventional processor, etc., and the processor 501 is a control center of the terminal device and connects various parts of the whole terminal device by using various interfaces and lines.
The memory 502 may be used for storing the computer programs and/or modules, and the processor 501 may implement various functions of the terminal device by running or executing the computer programs and/or modules stored in the memory and calling the data stored in the memory 502. The memory 502 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the terminal device integrated module/unit can be stored in a computer readable storage medium if it is implemented in the form of software functional unit and sold or used as a stand-alone product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, U.S. disk, removable hard disk, magnetic diskette, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signal, telecommunications signal, and software distribution medium, etc.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A control method for monitoring a water pump system is characterized by comprising the following steps:
receiving first flow data, first water pressure data, second water pressure data and first operation data of a water pump unit of a water pump system; the water pump system comprises one or more groups of water pump units;
substituting the first water pressure data and the second water pressure data into a preset lift calculation formula to calculate and obtain the lift of the water pump system;
calculating to obtain first flow prediction data of each group of water pump units through a preset flow calculation formula according to the lift, the first operation data of each group and the characteristic coefficient of each group of water pump units;
and summarizing to obtain second flow prediction data of the water pump system according to the first flow prediction data of each group of water pump units, obtaining the running state of the water pump system according to the ratio of the second flow prediction data to the first flow prediction data, and sending the running state of the water pump system to a user side.
2. The control method for monitoring the water pump system according to claim 1, wherein the operation state of the water pump system is obtained according to a ratio of the second flow prediction data to the first flow data, specifically:
when the ratio is greater than or equal to a first preset warning value, the running state of the water pump system is abnormal;
and when the ratio is smaller than a first preset warning value, the running state of the water pump system is normal.
3. The control method for monitoring the water pump system according to claim 2, wherein the step of sending the operation state of the water pump system to a user side further comprises:
when the running state of the water pump system is normal, sending the running state of the water pump system, the first flow data, the first water pressure data, the second water pressure data and the first running data of the water pump unit to a user side;
when the operating state of the water pump system is abnormal, the alarm device is started, alarm information is generated, and the alarm information, the operating state of the water pump system, the first flow data of the water pump system, the first water pressure data of the water pump system, the second water pressure data of the water pump system and the first operating data of the water pump unit of the water pump system are sent to the user side.
4. The control method for monitoring the water pump system according to claim 1, further comprising, before the sending the operation status of the water pump system to a user terminal:
calculating to obtain the output shaft predicted power of each group of water pump units according to the first flow data, the first water pressure data, the second water pressure data and the known operating efficiency of each group of water pump units;
judging the running state of each group of water pump units according to the first output shaft power and the output shaft predicted power of each group of water pump units; wherein the first operating data comprises a first output shaft power;
when the power of the first output shaft of the water pump unit is smaller than or equal to the predicted power of the output shaft, the running state of the water pump unit is normal, and the running state of the water pump unit is sent to a user side;
when the power of the first output shaft of the water pump unit is larger than the predicted power of the output shaft, the operating state of the water pump unit is abnormal, the alarm device is started, alarm information is generated, and the alarm information and the operating state of the water pump unit are sent to the user side.
5. The control method for monitoring the water pump system according to claim 1, wherein the method for obtaining the characteristic coefficient of each group of water pump units specifically comprises the following steps:
acquiring water flow and operating frequency of each group of water pump units, and acquiring the lift of each group of water pump units according to the water flow and the operating frequency of each group of water pump units;
substituting the water flow of each group of water pump units, the operating frequency of each group of water pump units and the lift of each group of water pump units into the flow calculation formula respectively to obtain a characteristic coefficient equation set of each group of water pump units;
and solving the characteristic coefficient equation set of each group of water pump units by a least square method to obtain the corresponding characteristic coefficient of each group of water pumps.
6. The method for controlling monitoring of a water pump system according to claim 1, further comprising:
receiving temperature and humidity data and water immersion height data of the environment where the water pump system is located, and sending the temperature and humidity data and the water immersion height data to a user side;
when the temperature and humidity data are larger than a preset temperature and humidity threshold value, starting an alarm device, sending alarm information to a user side, and starting a cooling and dehumidifying fan;
when the water immersion height data is larger than a preset water immersion height threshold value, starting an alarm device and sending alarm information to a user side;
and calculating the change rate of the water immersion height data according to the water immersion height data, starting an alarm device when the change rate is greater than a preset change rate threshold value, and sending alarm information to a user side.
7. The method for controlling monitoring of a water pump system according to claim 1, further comprising:
receiving water quality data of the water pump system and second operation data of the water pump unit, and sending the water quality data and the second operation data of the water pump unit to a user side; wherein, the water quality data include: the PH value, the residual chlorine value and the turbidity degree, and the second operation data of the water pump unit comprise: amplitude values, noise intensity, center frequency and temperature;
when one or more of the water quality data is larger than a preset water quality threshold value, starting an alarm device and sending alarm information to a user side; wherein, the preset water quality threshold comprises: a PH threshold, a chlorine residual threshold and a turbidity threshold;
when one or more second operation data of the water pump unit are larger than a preset operation threshold value, starting an alarm device and sending alarm information to a user side; wherein the preset operating threshold comprises: an amplitude threshold, a noise intensity threshold, a center frequency threshold, and a temperature threshold.
8. The method for controlling monitoring of a water pump system according to claim 1, further comprising:
receiving an object image sent by the entrance guard detection device and sending the object image to a user side;
the entrance guard detection device is used for identifying the height of an object and the retention time in a preset area; when the height of the object is greater than or equal to a preset height threshold value and the retention time is greater than a preset time threshold value, starting the face recognition equipment to shoot an object image, and performing face matching according to the shot object image: if the face similarity is larger than or equal to a preset similarity threshold, opening the access control; and if the face similarity is smaller than a preset similarity threshold value, opening the entrance guard, storing and sending the object image.
9. A control device for monitoring a water pump system, comprising: the system comprises a data acquisition module, a first calculation module, a second calculation module and an information feedback module;
the data acquisition module is used for receiving first flow data, first water pressure data, second water pressure data and first operation data of the water pump set of the water pump system; the water pump system comprises one or more groups of water pump units;
the first calculation module is used for substituting the first water pressure data and the second water pressure data into a preset lift calculation formula to calculate and obtain the lift of the water pump system;
the second calculation module is used for substituting the lift, the first operation data of each group and the characteristic coefficient of each group of water pump units into a preset flow calculation formula to calculate and obtain first flow prediction data of each group of water pump units;
the information feedback module is used for summarizing and obtaining second flow prediction data of the water pump system according to the first flow prediction data of each group of water pump units, obtaining the running state of the water pump system according to the ratio of the second flow prediction data to the first flow data, and sending the running state of the water pump system to a user side.
10. A control system for water pump system monitoring, comprising: the system comprises a control device, a water pump system, a water inlet pressure and flow detection sensor, a water outlet pressure sensor, a plurality of groups of variable frequency controllers, a temperature and humidity detection device, a water immersion detection device, a water quality detection device, a plurality of groups of vibration sensors, a plurality of groups of sound sensors, a plurality of groups of temperature sensors, an entrance guard detection device, a server, a remote monitoring platform and a mobile terminal monitoring system which are monitored by the water pump system;
the control device for water pump system monitoring is applied to the control method for water pump system monitoring as claimed in claims 1 to 8;
and the server is used for establishing the connection between the control device monitored by the water pump system and a remote monitoring platform as well as a mobile terminal monitoring system.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822938A (en) * | 2022-12-30 | 2023-03-21 | 重庆成峰水务工程有限责任公司 | Water pump flow control system and method |
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| CN109075563A (en) * | 2016-04-12 | 2018-12-21 | 阿特拉斯·科普柯空气动力股份有限公司 | For protecting the method for the motor of the device of the motor driven electrical equipment with the control system containing continuous volume and the selection of this motor |
| CN113309186A (en) * | 2021-05-31 | 2021-08-27 | 北控水务(中国)投资有限公司 | Water purification plant clean water pool water level management energy-saving control method and system |
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| CN115822938A (en) * | 2022-12-30 | 2023-03-21 | 重庆成峰水务工程有限责任公司 | Water pump flow control system and method |
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