CN114412768A - Remote control system and method for water pump - Google Patents
Remote control system and method for water pump Download PDFInfo
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- CN114412768A CN114412768A CN202210082448.7A CN202210082448A CN114412768A CN 114412768 A CN114412768 A CN 114412768A CN 202210082448 A CN202210082448 A CN 202210082448A CN 114412768 A CN114412768 A CN 114412768A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 106
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 238000011022 operating instruction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
Abstract
The invention provides a remote control system and a control method of a water pump, wherein the remote control system of the water pump is provided with the water pump; measuring means for measuring analog and/or digital quantities; the first communication module is connected with at least one water pump and/or at least one measuring device and used for sending and receiving data and control instructions; the field control equipment is in communication connection with the first communication module and is used for monitoring and controlling at least one water pump and/or at least one measuring device; the remote control device comprises a cloud server for operating a cloud service platform and a remote control device which is connected with the field control device through the cloud server and is used for monitoring and controlling the water pump and the measuring device. The communication module with processing capacity receives field or remote control instructions to directly control equipment such as a water pump and the like, and the system has the characteristics of simple structure, low cost, convenience in function expansion and easiness in upgrading and iteration.
Description
Technical Field
The invention relates to the technical field of industrial control, in particular to a remote control system of a water pump and a control method thereof.
Background
The water pump has extremely wide application in daily production and life, and particularly in the aspect of water production, with the development and progress of an electronic information technology and an internet technology, the laggard manual field management mode of the water pump is gradually replaced by a refined, automatic and intelligent remote control system.
In the traditional water pump control, a Programmable Logic Controller (PLC) is generally adopted to connect with a water pump, a flow meter and other sensors, and various switches, alarm devices, instruments and the like are expanded on the PLC for on-site monitoring and control. Then, a water pump remote control system developed based on the scheme is more common that wired or wireless interfaces such as RS232, RS422 or RS485 are integrated on a PLC, so that communication with a remote computer is realized, and the remote computer monitors and controls the water pump and related equipment through the PLC. The adoption of the scheme has the advantages that the existing control system is not required to be modified on a large scale, the integration process is relatively simple, and the defects are very obvious. On the first hand, the price of the PLC module is high, and the overall cost is very high for large-scale use in the field of domestic or industrial water production and the like; in the second aspect, the PLC is complex and rigid in programming, poor in flexibility and low in design efficiency, and the functional expansion, peripheral device adaptation, and subsequent upgrade and iteration are very difficult as a corollary.
Disclosure of Invention
The invention is based on the problems, provides a remote control system of a water pump and a control method thereof, receives field or remote control instructions through a communication module with processing capacity to directly control equipment such as the water pump, and the like, and has the characteristics of simple structure, low cost, convenient function expansion and easy upgrading and iteration.
In view of the above, an aspect of the present invention provides a water pump remote control system, including: a water pump; measuring means for measuring analog and/or digital quantities; the first communication module is connected with at least one water pump and/or at least one measuring device and used for sending and receiving data and control instructions; the field control equipment is in communication connection with the first communication module and is used for monitoring and controlling at least one water pump and/or at least one measuring device; the remote control device comprises a cloud server for operating a cloud service platform and a remote control device which is connected with the field control device through the cloud server and is used for monitoring and controlling the water pump and the measuring device.
Preferably, the water pump includes a first power module and a motor, and the first power module includes:
the rectifying circuit is connected with a 220V power frequency power supply and is used for converting the power frequency power supply into a direct current power supply;
the filter circuit is connected with the rectifying circuit and used for reducing the voltage ripple coefficient of the direct-current power supply;
the inverter circuit is connected between the filter circuit and the motor and used for converting the direct current power supply into an alternating current power supply with a target frequency to supply power to the motor;
the power switch is connected between the rectifying circuit and a 220V power frequency power supply and used for starting or closing the power supply of the water pump;
the first communication module is connected with the power switch and used for controlling the water pump power supply to be turned on or turned off according to a control instruction sent by the field control device, the cloud server or the remote control device.
Preferably, the first communication module includes a first processor and an interface circuit, the first processor is connected to the power switch, and the first processor is in communication connection with the field control device through the interface circuit.
Preferably, the measuring device includes a differential pressure transmitter and a temperature sensor, and the differential pressure transmitter includes:
a differential pressure sensor for measuring a differential pressure at a target location;
the amplifier is connected with the differential pressure sensor and used for amplifying an analog detection signal of the differential pressure sensor;
the analog-to-digital converter is connected with the amplifier and is used for converting the amplified analog detection signal into a digital signal;
and the processor of the first communication module is connected with the analog-to-digital converter and the temperature sensor, and sends the detection data of the temperature sensor and/or the differential pressure sensor to the field control equipment so as to obtain the liquid level, the hydraulic pressure and/or the flow of a target position according to the pressure difference, or controls the differential pressure transmitter or the temperature sensor according to a control instruction sent by the field control equipment, the cloud server or the remote control equipment.
Preferably, the field control device comprises a second power module for providing power to the field control device; a second communication module for communicating with the water pump and the cloud server; the nonvolatile memory module and the nonvolatile memory module are used for storing data; the touch display module is used for receiving an operating instruction of a worker and displaying the real-time state of the water pump and/or the measuring device; and a second processor for monitoring and controlling the water pump and the measuring device.
The invention provides a control method of a water pump remote control system on the other hand, wherein the water pump remote control system comprises a water pump; measuring means for measuring analog and/or digital quantities; the first communication module is connected with at least one water pump and/or at least one measuring device and used for sending and receiving data and control instructions; the field control equipment is in communication connection with the first communication module and is used for monitoring and controlling at least one water pump and/or at least one measuring device; the control method of the water pump remote control system comprises the following steps of operating a cloud server of a cloud service platform and a remote control device which is connected with the field control device through the cloud server and is used for monitoring and controlling the water pump and the measuring device, wherein the control method of the water pump remote control system comprises the following steps:
the remote control equipment is connected with a cloud server and sends control instructions to one or more water pumps and/or measuring devices through the cloud server;
the cloud server issues the control command to the field control equipment;
and the field control equipment controls the one or more water pumps and/or the measuring device to execute the operation corresponding to the control instruction through a first communication module connected with the one or more water pumps and/or the measuring device.
Preferably, when the control instruction is to control the power switch of the water pump to be turned on or off, the on-site control device controls the one or more water pumps and/or the measuring device to execute the operation corresponding to the control instruction through the first communication module connected to the one or more water pumps and/or the measuring device specifically includes:
the field control equipment sends a control instruction to a first communication module connected with the water pump;
the first communication module controls a power switch of the water pump to execute the operation of turning on or turning off a power supply according to the control instruction;
when the control instruction is used for controlling the power switch of the water pump to be turned on, the first communication module controls the power switch of the water pump to execute the step of turning on or off the power supply according to the control instruction
Then also comprises the following steps:
converting the power frequency power supply into a direct current power supply through a rectifying circuit connected with a 220V power frequency power supply;
reducing the voltage ripple coefficient of the direct current power supply through a filter circuit connected with the rectifying circuit;
and the DC power supply is converted into an AC power supply with a target frequency through an inverter circuit connected between the filter circuit and the motor, and then the AC power supply supplies power to the motor of the water pump.
Preferably, the step of sending a control instruction to a first communication module connected to the water pump by the field control device and controlling a power switch of the water pump to perform an operation of turning on or off a power supply by the first communication module according to the control instruction specifically includes:
the field control equipment sends a control instruction to a first processor of a first communication module through an interface circuit of the first communication module connected with the water pump;
and the first processor of the first communication module controls a power switch of the water pump to execute the operation of turning on or turning off the power supply according to the control instruction.
Preferably, the measuring device includes a differential pressure transmitter and a temperature sensor, and when the control command is to measure a liquid level, a hydraulic pressure and/or a flow rate, the field control device controls the one or more water pumps and/or the measuring device through a first communication module connected to the one or more water pumps and/or the measuring device to perform an operation corresponding to the control command specifically includes:
the field control equipment sends a control instruction to a first communication module connected with the measuring device;
and the first communication module controls the differential pressure transmitter to execute the operation of measuring liquid level, hydraulic pressure and/or flow through the differential pressure sensor according to the control instruction.
Preferably, after the first communication module controls the differential pressure transmitter to perform operations of measuring liquid level, hydraulic pressure and/or flow rate through a differential pressure sensor according to the control instruction, the method further includes:
measuring a differential pressure at a target location via the differential pressure sensor;
amplifying an analog detection signal of the differential pressure sensor through an amplifier connected with the differential pressure sensor;
converting the amplified analog detection signal into a digital signal through an analog-to-digital converter connected with the amplifier;
the first communication module sends the digital signal to the field control device to obtain the liquid level, the hydraulic pressure and/or the flow of the target position according to the pressure difference.
By adopting the technical scheme of the invention, the water pump remote control system is provided with the water pump; measuring means for measuring analog and/or digital quantities; the first communication module is connected with at least one water pump and/or at least one measuring device and used for sending and receiving data and control instructions; the field control equipment is in communication connection with the first communication module and is used for monitoring and controlling at least one water pump and/or at least one measuring device; the remote control device comprises a cloud server for operating a cloud service platform and a remote control device which is connected with the field control device through the cloud server and is used for monitoring and controlling the water pump and the measuring device. The communication module with processing capacity receives field or remote control instructions to directly control equipment such as a water pump and the like, and the system has the characteristics of simple structure, low cost, convenience in function expansion and easiness in upgrading and iteration.
Drawings
FIG. 1 is a schematic block diagram of a water pump remote control system provided in one embodiment of the present invention;
FIG. 2 is a schematic block diagram of a power module of a water pump provided in one embodiment of the present invention;
FIG. 3 is a schematic block diagram of a power module, a differential pressure transmitter, and a communication module of a water pump provided in one embodiment of the invention;
FIG. 4 is a schematic block diagram of a field control device provided in accordance with one embodiment of the present invention;
fig. 5 is a flowchart of a control method of a water pump remote control system according to an embodiment of the present invention;
fig. 6 is a flowchart of a control method of a water pump remote control system according to an embodiment of the present invention;
fig. 7 is a flowchart of a control method of a water pump remote control system according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description herein, reference to the term "one embodiment," "some embodiments," "specific examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
A water pump remote control system and a control method thereof according to some embodiments of the present invention will be described with reference to fig. 1 to 7.
As shown in fig. 1, an embodiment of the present invention provides a water pump remote control system, including: a water pump 100; a measuring device 200 for measuring analog and/or digital quantities; a first communication module 300 connected with at least one water pump 100 and/or at least one measuring device 200 for sending and receiving data and control instructions; an on-site control device 400 communicatively connected to the first communication module 300 for monitoring and controlling at least one of the water pump 100 and/or at least one of the measuring devices 200; a cloud server 500 for operating a cloud service platform, and a remote control device 600 connected to the field control device 400 through the cloud server 500 for monitoring and controlling the water pump 100 and the measuring device 200.
By adopting the technical scheme of the embodiment, the water pump 100 and the measuring device 200 are directly connected with the field control equipment 400 through the first communication module 300, and the first communication module 300 has processing capacity, so that the water pump 100 or the measuring device 200 can be directly controlled after receiving a control instruction sent by the field control equipment 400, a PLC (programmable logic controller) is not required to be assembled in each pump room, any water pump or corresponding measuring device can be monitored and controlled directly through one field control equipment 400, the system is simple in structure and low in cost, and meanwhile, the characteristics of convenience in function expansion and easiness in upgrading and iteration are achieved.
It should be understood that the block diagram of the water pump remote control system shown in fig. 1 is only schematic, and the number of the modules shown is not limited to the protection scope of the present invention, for example, the field control device 400 may be connected with a corresponding number of the first communication modules 300 and the corresponding water pumps 100, measuring devices 200, etc. according to the actual application requirement and the processing capability thereof, and is not limited to the 3 shown in the figure.
In some possible embodiments of the present invention, the measuring device 200 may be a liquid level measuring device, a hydraulic pressure measuring device, a flow measuring device, a temperature measuring device, a current/voltage measuring device, an operation state detecting device of a water pump or a valve, or other measuring devices for measuring an analog quantity or a digital quantity, including but not limited to a pressure transmitter, a differential pressure transmitter, a temperature sensor, a current/voltage detecting circuit, or other measuring devices.
In some possible embodiments of the present invention, the remote control device 600 may be a computer terminal such as a server, a workstation, or a personal computer, and may also be a mobile communication terminal such as a mobile phone or a tablet computer. The remote control device 600 may access the cloud service platform running in the cloud server 500 by using a client or a web, and the like, which is not limited in the present invention.
As shown in fig. 2, in some possible embodiments of the invention, the water pump 100 includes a first power module 110 and a motor 120.
In some possible embodiments of the invention, the first power module 110 includes:
the rectifying circuit 111 is connected with a 220V power frequency power supply and used for converting the power frequency power supply into a direct current power supply;
a filter circuit 112 connected to the rectifying circuit 111 for reducing a voltage ripple coefficient of the dc power supply;
an inverter circuit 113 connected between the filter circuit 112 and the motor 120, for converting the dc power into an ac power having a target frequency to supply power to the motor 120;
the power switch 114 is connected between the rectifying circuit 111 and a 220V power frequency power supply and is used for switching on or off the power supply of the water pump 100;
the first communication module 300 is connected to the power switch 114, and is configured to control the on/off of the power supply of the water pump 100 according to a control instruction sent by the field control device 400, the cloud server 500, or the remote control device 600.
In some possible embodiments of the present invention, the first communication module 300 is further connected to the rectification circuit 111, the filter circuit 112 and the inverter circuit 113, and receives signals of the respective circuits and sends a control command. Preferably, the first communication module 300 is connected to the inverter circuit 113, and the field control device 400, the cloud server 500 and/or the remote control device 600 control the inverter circuit 113 through the first communication module 300 to control the frequency of the alternating current. By adopting the technical scheme of the embodiment, the power frequency power supply in China is 50HZ sinusoidal alternating current, and the control instruction can be sent to the inverter circuit 114 of the first power module 110 through the first communication module 300 to adjust the frequency of the working current of the motor 120, so that the purposes of constant-voltage water supply or power saving and energy saving are achieved.
In other possible embodiments of the present invention, the power switch 114 is directly connected between the 220V commercial power source and the motor 120, and the motor 120 directly operates with 50HZ sinusoidal ac power.
As shown in fig. 3, in the present invention, the first communication module 300 includes a first processor 310 and an interface circuit 320, the first processor 310 is connected to the power switch 114, and the first processor 310 is communicatively connected to the field control device 400 through the interface circuit 320.
The first communication module 300 can be implemented in a wired or wireless manner according to the requirements of the actual application scenario. For example, referring to fig. 3, in some possible embodiments of the invention, the first communication module 300 is a wireless communication module, which includes a baseband processor 310 and rf circuitry 320, and is communicatively coupled to the field control device 400 via an antenna coupled to the rf circuitry 320.
With continued reference to fig. 3, in some possible embodiments of the invention, the measurement device 200 includes a differential pressure transmitter 210 and a temperature sensor 220, the differential pressure transmitter 210 including:
a differential pressure sensor 211 for measuring a differential pressure at a target position;
an amplifier 212 connected to the differential pressure sensor 211, for amplifying an analog detection signal of the differential pressure sensor 211;
an analog-to-digital converter 213, connected to the amplifier 212, for converting the amplified analog detection signal into a digital signal;
the processor 310 of the first communication module 300 is connected to the analog-to-digital converter 213 and the temperature sensor 220, and transmits the detection data of the temperature sensor 220 and/or the differential pressure sensor 211 to the field control device 400 to obtain the liquid level, the hydraulic pressure, and/or the flow rate of the target location according to the pressure difference, or controls the differential pressure transmitter 210 or the temperature sensor 220 according to the control command transmitted by the field control device 400, the cloud server 500, or the remote control device 600.
As shown in fig. 4, the field control device 400 includes a second power module 410 for providing power to the field control device 400; a second communication module 420 for communicating with the water pump and the cloud server; a volatile memory module 430 and a non-volatile memory module 440 for storing data; the touch control display module 450 is used for receiving an operating instruction of a worker and displaying the real-time state of the water pump 100 and/or the measuring device 200; and a second processor 460 for monitoring and controlling the water pump and the measuring device.
In some possible embodiments of the present invention, the field control device 400 further includes an alarm module 470, and when the field control device 400 monitors the water pump 100 and the measurement device 200 and data of any one of the water pump 100 and the measurement device 200 is abnormal, the alarm module 470 sends an alarm signal to a field worker, and the field worker controls the corresponding water pump 100 and the measurement device 200 according to the alarm signal, for example, turns off a power supply of the corresponding water pump 100.
Referring to fig. 1 and 5, an embodiment of the present invention provides a control method of a water pump remote control system, which includes a water pump 100; a measuring device 200 for measuring analog and/or digital quantities; a first communication module 300 connected with at least one water pump 100 and/or at least one measuring device 200 for sending and receiving data and control instructions; an on-site control device 400 communicatively connected to the first communication module 300 for monitoring and controlling at least one of the water pump 100 and/or at least one of the measuring devices 200; a cloud server 500 for operating a cloud service platform and a remote control device 600 connected with the field control device 400 through the cloud server 500 for monitoring and controlling the water pump 100 and the measuring device 200, wherein the control method of the water pump remote control system comprises the following steps:
the remote control device 600 is connected with the cloud server 500, and sends a control instruction to one or more water pumps 100 and/or measuring devices 200 through the cloud server 500;
the cloud server 500 issues the control command to the field control device 400;
the field control device 400 controls the one or more water pumps 100 and/or the measuring device 200 to perform the operation corresponding to the control command through the first communication module 300 connected to the one or more water pumps 100 and/or the measuring device 200.
By adopting the technical scheme of the embodiment, the water pump 100 and the measuring device 200 are directly connected with the field control equipment 400 through the first communication module 300, and the first communication module 300 has processing capacity, so that the water pump 100 or the measuring device 200 can be directly controlled after receiving a control instruction sent by the field control equipment 400, a PLC (programmable logic controller) is not required to be assembled in each pump room, any water pump or corresponding measuring device can be monitored and controlled directly through one field control equipment 400, the system is simple in structure and low in cost, and meanwhile, the characteristics of convenience in function expansion and easiness in upgrading and iteration are achieved.
It should be understood that the block diagram of the water pump remote control system shown in fig. 1 is only schematic, and the number of the modules shown is not limited to the protection scope of the present invention, for example, the field control device 400 may be connected with a corresponding number of the first communication modules 300 and the corresponding water pumps 100, measuring devices 200, etc. according to the actual application requirement and the processing capability thereof, and is not limited to the 3 shown in the figure.
In some possible embodiments of the present invention, the measuring device 200 may be a liquid level measuring device, a hydraulic pressure measuring device, a flow measuring device, a temperature measuring device, a current/voltage measuring device, an operation state detecting device of a water pump or a valve, or other measuring devices for measuring an analog quantity or a digital quantity, including but not limited to a pressure transmitter, a differential pressure transmitter, a temperature sensor, a current/voltage detecting circuit, or other measuring devices.
In some possible embodiments of the present invention, the remote control device 600 may be a computer terminal such as a server, a workstation, or a personal computer, and may also be a mobile communication terminal such as a mobile phone or a tablet computer. The remote control device 600 may access the cloud service platform running in the cloud server 500 by using a client or a web, and the like, which is not limited in the present invention.
Referring to fig. 2 and 6, when the control command is to control the power switch 114 of the water pump 100 to be turned on or off, the on-site control device 400 controls the one or more water pumps 100 and/or the measuring device 200 to perform the operation corresponding to the control command through the first communication module 300 connected to the one or more water pumps 100 and/or the measuring device 200 specifically includes:
the field control device 400 sends a control command to the first communication module 300 connected to the water pump 100;
the first communication module 300 controls the power switch 114 of the water pump 100 to perform power on or power off operations according to the control command;
when the control command is to control the power switch 114 of the water pump 100 to be turned on, the first communication module 300 controls the power switch 114 of the water pump 100 to perform the step of turning on or off the power according to the control command
Then also comprises the following steps:
the power frequency power supply is converted into a direct current power supply through a rectifying circuit 111 connected with a 220V power frequency power supply;
the voltage ripple coefficient of the direct current power supply is reduced through a filter circuit 112 connected with the rectifying circuit 111;
the dc power is converted into an ac power having a target frequency by an inverter circuit 113 connected between the filter circuit 112 and the motor 120, and then the ac power is supplied to the motor 120 of the water pump 100.
As shown in fig. 3, in some possible embodiments of the present invention, the first communication module 300 is further connected to the rectification circuit 111, the filter circuit 112, and the inverter circuit 113, and receives signals of the respective circuits and sends control commands. Preferably, the first communication module 300 is connected to the inverter circuit 113, and the field control device 400, the cloud server 500 and/or the remote control device 600 control the inverter circuit 113 through the first communication module 300 to control the frequency of the alternating current. By adopting the technical scheme of the embodiment, the power frequency power supply in China is 50HZ sinusoidal alternating current, and the control instruction can be sent to the inverter circuit 114 of the first power module 110 through the first communication module 300 to adjust the frequency of the working current of the motor 120, so that the purposes of constant-voltage water supply or power saving and energy saving are achieved.
In other possible embodiments of the present invention, the power switch 114 is directly connected between the 220V commercial power source and the motor 120, and the motor 120 directly operates with 50HZ sinusoidal ac power.
In some possible embodiments of the present invention, the steps of sending a control command to the first communication module 300 connected to the water pump 100 by the field control device 400 and controlling the power switch 114 of the water pump 100 to turn on or off the power supply by the first communication module 300 according to the control command specifically include:
the field control device 400 sends a control command to the first processor 310 of the first communication module 300 through the interface circuit 320 of the first communication module 300 connected to the water pump 100;
the first processor 310 of the first communication module 300 controls the power switch 114 of the water pump 100 to perform an operation of turning on or off the power according to the control instruction.
The first communication module 300 can be implemented in a wired or wireless manner according to the requirements of the actual application scenario. For example, referring to fig. 3, in some possible embodiments of the invention, the first communication module 300 is a wireless communication module, which includes a baseband processor 310 and rf circuitry 320, and is communicatively coupled to the field control device 400 via an antenna coupled to the rf circuitry 320.
Referring to fig. 3 and 7, in some possible embodiments of the invention, the measuring device 200 includes a differential pressure transmitter 210 and a temperature sensor 220, and when the control command is to measure a liquid level, a hydraulic pressure and/or a flow rate, the operation of the field control apparatus 400 controlling the one or more water pumps 100 and/or the measuring device 200 through the first communication module 300 connected to the one or more water pumps 100 and/or the measuring device 200 to execute the control command specifically includes:
the field control device 400 sends a control command to the first communication module 300 connected to the measuring apparatus 200;
the first communication module 300 controls the differential pressure transmitter 210 to perform operations of measuring fluid level, hydraulic pressure and/or flow rate through the differential pressure sensor 211 according to the control command.
In some possible embodiments of the present invention, after the first communication module 300 controls the differential pressure transmitter 210 to perform operations of measuring a liquid level, a hydraulic pressure and/or a flow rate through the differential pressure sensor 211 according to the control command, the method further includes:
measuring a differential pressure at a target position by the differential pressure sensor 211;
amplifying an analog detection signal of the differential pressure sensor 211 by an amplifier 212 connected to the differential pressure sensor 211;
converting the amplified analog detection signal into a digital signal through an analog-to-digital converter 213 connected to the amplifier 212;
the first communication module 300 transmits the digital signal to the field control device 400 to obtain the fluid level, the hydraulic pressure and/or the flow rate of the target position according to the pressure difference.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While embodiments in accordance with the invention have been described above, these embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A water pump remote control system, comprising: a water pump; measuring means for measuring analog and/or digital quantities; the first communication module is connected with at least one water pump and/or at least one measuring device and used for sending and receiving data and control instructions; the field control equipment is in communication connection with the first communication module and is used for monitoring and controlling at least one water pump and/or at least one measuring device; the remote control device comprises a cloud server for operating a cloud service platform and a remote control device which is connected with the field control device through the cloud server and is used for monitoring and controlling the water pump and the measuring device.
2. The water pump remote control system of claim 1, wherein the water pump comprises a first power module and a motor, the first power module comprising:
the rectifying circuit is connected with a 220V power frequency power supply and is used for converting the power frequency power supply into a direct current power supply;
the filter circuit is connected with the rectifying circuit and used for reducing the voltage ripple coefficient of the direct-current power supply;
the inverter circuit is connected between the filter circuit and the motor and used for converting the direct current power supply into an alternating current power supply with a target frequency to supply power to the motor;
the power switch is connected between the rectifying circuit and a 220V power frequency power supply and used for starting or closing the power supply of the water pump;
the first communication module is connected with the power switch and used for controlling the water pump power supply to be turned on or turned off according to a control instruction sent by the field control device, the cloud server or the remote control device.
3. The remote control system for the water pump according to claim 2, wherein the first communication module comprises a first processor and an interface circuit, the first processor is connected with the power switch, and the first processor is in communication connection with the field control device through the interface circuit.
4. The water pump remote control system of claim 3, wherein the measuring device comprises a differential pressure transmitter and a temperature sensor, the differential pressure transmitter comprising:
a differential pressure sensor for measuring a differential pressure at a target location;
the amplifier is connected with the differential pressure sensor and used for amplifying an analog detection signal of the differential pressure sensor;
the analog-to-digital converter is connected with the amplifier and is used for converting the amplified analog detection signal into a digital signal;
and the processor of the first communication module is connected with the analog-to-digital converter and the temperature sensor, and sends the detection data of the temperature sensor and/or the differential pressure sensor to the field control equipment so as to obtain the liquid level, the hydraulic pressure and/or the flow of a target position according to the pressure difference, or controls the differential pressure transmitter or the temperature sensor according to a control instruction sent by the field control equipment, the cloud server or the remote control equipment.
5. The water pump remote control system according to claims 1-4, the field control device comprising a second power module for providing power to the field control device; a second communication module for communicating with the water pump and the cloud server; the nonvolatile memory module and the nonvolatile memory module are used for storing data; the touch display module is used for receiving an operating instruction of a worker and displaying the real-time state of the water pump and/or the measuring device; and a second processor for monitoring and controlling the water pump and the measuring device.
6. The control method of the water pump remote control system is characterized in that the water pump remote control system comprises a water pump; measuring means for measuring analog and/or digital quantities; the first communication module is connected with at least one water pump and/or at least one measuring device and used for sending and receiving data and control instructions; the field control equipment is in communication connection with the first communication module and is used for monitoring and controlling at least one water pump and/or at least one measuring device; the control method of the water pump remote control system comprises the following steps of operating a cloud server of a cloud service platform and a remote control device which is connected with the field control device through the cloud server and is used for monitoring and controlling the water pump and the measuring device, wherein the control method of the water pump remote control system comprises the following steps:
the remote control equipment is connected with a cloud server and sends control instructions to one or more water pumps and/or measuring devices through the cloud server;
the cloud server issues the control command to the field control equipment;
and the field control equipment controls the one or more water pumps and/or the measuring device to execute the operation corresponding to the control instruction through a first communication module connected with the one or more water pumps and/or the measuring device.
7. The method for controlling the water pump remote control system according to claim 6, wherein when the control command is to control a power switch of the water pump to be turned on or off, the on-site control device controls the one or more water pumps and/or the measuring devices to perform an operation corresponding to the control command through a first communication module connected to the one or more water pumps and/or the measuring devices, and specifically comprises:
the field control equipment sends a control instruction to a first communication module connected with the water pump;
the first communication module controls a power switch of the water pump to execute the operation of turning on or turning off a power supply according to the control instruction;
when the control instruction is used for controlling the power switch of the water pump to be turned on, the first communication module controls the power switch of the water pump to execute the step of turning on or off the power supply according to the control instruction
Then also comprises the following steps:
converting the power frequency power supply into a direct current power supply through a rectifying circuit connected with a 220V power frequency power supply;
reducing the voltage ripple coefficient of the direct current power supply through a filter circuit connected with the rectifying circuit;
and the DC power supply is converted into an AC power supply with a target frequency through an inverter circuit connected between the filter circuit and the motor, and then the AC power supply supplies power to the motor of the water pump.
8. The control method of the water pump remote control system according to claim 7, wherein the steps of sending a control command to a first communication module connected to the water pump by the field control device and controlling a power switch of the water pump to perform power on or power off operation by the first communication module according to the control command specifically include:
the field control equipment sends a control instruction to a first processor of a first communication module through an interface circuit of the first communication module connected with the water pump;
and the first processor of the first communication module controls a power switch of the water pump to execute the operation of turning on or turning off the power supply according to the control instruction.
9. The method for controlling the water pump remote control system according to claim 8, wherein the measuring device comprises a differential pressure transmitter and a temperature sensor, and when the control command is to measure a liquid level, a hydraulic pressure and/or a flow rate, the on-site control device controls the one or more water pumps and/or the measuring device through the first communication module connected with the one or more water pumps and/or the measuring device to perform an operation corresponding to the control command specifically comprises:
the field control equipment sends a control instruction to a first communication module connected with the measuring device;
and the first communication module controls the differential pressure transmitter to execute the operation of measuring liquid level, hydraulic pressure and/or flow through the differential pressure sensor according to the control instruction.
10. The method for controlling the water pump remote control system according to claim 9, wherein after the first communication module controls the differential pressure transmitter to perform operations of measuring a liquid level, a hydraulic pressure and/or a flow rate through a differential pressure sensor according to the control command, the method further comprises:
measuring a differential pressure at a target location via the differential pressure sensor;
amplifying an analog detection signal of the differential pressure sensor through an amplifier connected with the differential pressure sensor;
converting the amplified analog detection signal into a digital signal through an analog-to-digital converter connected with the amplifier;
the first communication module sends the digital signal to the field control device to obtain the liquid level, the hydraulic pressure and/or the flow of the target position according to the pressure difference.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210082448.7A CN114412768A (en) | 2022-01-24 | 2022-01-24 | Remote control system and method for water pump |
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| CN202210082448.7A CN114412768A (en) | 2022-01-24 | 2022-01-24 | Remote control system and method for water pump |
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