CN112202384A - Automatic control safety protection method and device for photoelectric water control system - Google Patents
Automatic control safety protection method and device for photoelectric water control system Download PDFInfo
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- CN112202384A CN112202384A CN202010862569.4A CN202010862569A CN112202384A CN 112202384 A CN112202384 A CN 112202384A CN 202010862569 A CN202010862569 A CN 202010862569A CN 112202384 A CN112202384 A CN 112202384A
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- water
- pump motor
- control system
- suction pump
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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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
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- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The application discloses a self-control safety protection method of a photoelectric water control system, which comprises the following steps: detecting the actual working frequency of a water pump motor of the electric control water system in real time; if the actual working frequency is larger than the frequency threshold, adjusting the rotating speed of the water suction pump motor to reduce the actual working frequency of the water suction pump motor to the frequency threshold; and if the actual working frequency is smaller than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be increased to the frequency threshold. The application provides a photoelectric water control system automatic control safety protection method, which can adjust the rotating speed of a water suction pump motor according to the actual working frequency of the water suction pump motor of the photoelectric water control system in real time, ensure that the water suction pump motor is in a safe working state, and solve the technical problems that the existing photoelectric water control system lacks an automatic protection function, cannot well protect water supply equipment of the photoelectric water control system, and influences the service life of the water supply equipment.
Description
Technical Field
The application relates to the technical field of photoelectric water control, in particular to a self-control safety protection method and a device of a photoelectric water control system.
Background
The photoelectric water control system is a system which utilizes a solar panel to absorb solar energy, carries out photoelectric conversion through a solar controller, carries out current inversion through a central control system, and provides a power supply for a water supply system, thereby realizing water resource delivery. However, the existing photoelectric water control system lacks an automatic protection function, cannot well protect the water supply equipment of the photoelectric water control system, and affects the service life of the water supply equipment.
Disclosure of Invention
The embodiment of the application provides a self-control safety protection method and a self-control safety protection device for a photoelectric water control system, and aims to solve the technical problems that an existing photoelectric water control system lacks an automatic protection function, cannot well protect water supply equipment of the photoelectric water control system, and influences the service life of the water supply equipment.
In view of this, the first aspect of the present application provides a method for automatically controlling and protecting a photoelectric water control system, including:
detecting the actual working frequency of a water pump motor of the electric control water system in real time;
if the actual working frequency is larger than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be reduced to the frequency threshold;
and if the actual working frequency is smaller than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be increased to the frequency threshold.
Optionally, the method further comprises:
detecting the output current output to a central control system by a solar controller of the electric control water system;
and if the output current is greater than or equal to the current threshold, disconnecting the relay on the connecting passage of the solar controller and the central control system.
Optionally, after disconnecting the relay on the connection path between the solar controller and the central control system, the method further includes:
and sending a current feedback signal to the solar controller to enable the solar controller to regulate the output current, and closing the relay after receiving a current recovery signal of the solar controller.
Optionally, the method further comprises:
detecting the input power of the water pump motor in real time;
and if the input power is greater than the rated power of the water suction pump, disconnecting the power supply of the water suction pump motor.
Optionally, after the power of the water pump motor is cut off, the method further includes:
and adjusting the output power of the central control system to enable the input power of the water suction pump motor to be less than or equal to the rated power, and starting the water suction pump motor after the output power is less than or equal to the rated power.
Optionally, the frequency threshold is 50 Hz.
The application second aspect provides a photoelectric water control system automatic control safety arrangement, includes: a frequency acquisition device and a frequency converter;
the frequency acquisition device is used for detecting the actual working frequency of a water pump motor of the electric control water system in real time;
the frequency converter is used for adjusting the rotating speed of the water suction pump motor when the actual working frequency is larger than a frequency threshold value, so that the actual working frequency of the water suction pump motor is reduced to the frequency threshold value, and adjusting the rotating speed of the water suction pump motor when the actual working frequency is smaller than the frequency threshold value, so that the actual working frequency of the water suction pump motor is increased to the frequency threshold value.
Optionally, the device further comprises a current collecting device and a relay;
the current collection device is used for detecting the output current output to the central control system by the solar controller of the optical and electric control water system;
the relay is connected with the solar controller and the central control system;
the solar controller turns off the relay when the output current is greater than or equal to a current threshold.
Optionally, the solar controller is further configured to:
adjusting the output current after opening the relay, closing the relay when the output current is less than a current threshold.
Optionally, the device further comprises a power collecting device;
the power acquisition device is used for detecting the input power of the water suction pump motor in real time and sending the input power to the central control system, so that the central control system cuts off the power supply of the water suction pump motor when the input power is larger than the rated power of the water suction pump.
According to the technical scheme, the embodiment of the application has the following advantages:
the application provides a self-control safety protection method of a photoelectric water control system, which comprises the following steps: detecting the actual working frequency of a water pump motor of the electric control water system in real time; if the actual working frequency is larger than the frequency threshold, adjusting the rotating speed of the water suction pump motor to reduce the actual working frequency of the water suction pump motor to the frequency threshold; and if the actual working frequency is smaller than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be increased to the frequency threshold. The application provides a photoelectric water control system automatic control safety protection method, which can adjust the rotating speed of a water suction pump motor according to the actual working frequency of the water suction pump motor of the photoelectric water control system in real time, ensure that the water suction pump motor is in a safe working state, and solve the technical problems that the existing photoelectric water control system lacks an automatic protection function, cannot well protect water supply equipment of the photoelectric water control system, and influences the service life of the water supply equipment.
Drawings
Fig. 1 is a schematic flow chart of a self-control safety protection method of a photoelectric water control system provided in an embodiment of the present application;
fig. 2 is another schematic flow chart of a self-control safety protection method of a photoelectric water control system provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of an automatic control safety protection device of a photoelectric water control system provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
Example 1
For easy understanding, referring to fig. 1, an embodiment of a method for automatically controlling and protecting a photoelectric water control system according to the present application includes:
and 101, detecting the actual working frequency of a water pump motor of the electric control water system in real time.
And 102, if the actual working frequency is larger than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be reduced to the frequency threshold, and if the actual working frequency is smaller than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be increased to the frequency threshold.
It should be noted that the water pump motor of the photoelectric water control system has various application conditions, and therefore the water pump motor may be in a high-frequency working state and may also be in a low-frequency working state, generally speaking, the working frequency threshold of the water pump motor is 50Hz, and if the actual working frequency of the water pump motor is higher than 50Hz or lower than 50Hz, the service life of the water pump motor is affected, therefore, in this embodiment of the application, the frequency acquisition device may be used to detect the actual working frequency of the water pump motor of the photoelectric water control system in real time, and send the actual working frequency detected in real time to the corresponding control module, which may adopt a frequency converter, so that the control module adjusts the rotation speed of the water pump motor down when the actual working frequency of the water pump motor is greater than the frequency threshold, so as to reduce the actual working frequency of the water pump motor to the frequency threshold, when the actual working frequency of the water suction pump motor is smaller than the frequency threshold, the rotating speed of the water suction pump motor is adjusted upwards, so that the actual working frequency of the water suction pump motor is increased to the frequency threshold, the actual working frequency of the water suction pump motor is guaranteed to be in a normal working state, and the problem that the service life is influenced due to the fact that the actual working frequency of the water suction pump motor is too high or too low is solved.
The automatic control safety protection method for the photoelectric water control system, provided by the embodiment of the application, can adjust the rotating speed of the water suction pump motor according to the actual working frequency of the water suction pump motor of the photoelectric water control system in real time, ensures that the water suction pump motor is in a safe working state, and solves the technical problems that the existing photoelectric water control system lacks an automatic protection function, cannot well protect water supply equipment of the photoelectric water control system, and influences the service life of the water supply equipment.
Example 2
As a further improvement to embodiment 1, please refer to fig. 2, an embodiment of the present application provides another embodiment of a method for automatically controlling safety protection of a photo-electric water control system, including:
And 203, detecting the output current output to the central control system by the solar controller of the photoelectric control water system.
And 204, if the output current is larger than or equal to the current threshold, disconnecting a relay on a connecting passage between the solar controller and the central control system.
It should be noted that, an excessive input current of the central control system may cause a system circuit to be burned, and therefore, in this embodiment of the application, to protect the central control system, a current collection device may be used to detect an output current output from a solar controller of the electric control water system to the central control system in real time, and if the output current is greater than or equal to a current threshold, a relay on a connection path between the solar controller and the central control system is disconnected.
Further, the method can also comprise the following steps:
and step 205, sending a current feedback signal to the solar controller, so that the solar controller adjusts the output current, and closing the relay after receiving a current recovery signal of the solar controller.
It should be noted that, after the relay on the connection path between the solar controller and the central control system is disconnected, in order to prevent the central control system from being in an inoperative state all the time and affecting the system operation, in this embodiment of the application, the relay may be turned on after the output current of the solar controller is restored, so that the system can automatically and normally operate.
Example 3
As a further improvement to embodiment 1 or 2, the present application provides another embodiment of a method for automatic control and safety protection of a photoelectric water control system, including:
and 301, detecting the actual working frequency of a water suction pump motor of the electric control water system in real time.
And 302, if the actual working frequency is greater than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be reduced to the frequency threshold, and if the actual working frequency is less than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be increased to the frequency threshold.
And step 303, detecting the input power of the water pump motor in real time.
And 304, if the input power is larger than the rated power of the water suction pump, disconnecting the power supply of the water suction pump motor.
It should be noted that, the input power of the water pump motor is too large, which easily causes the motor damage, in order to protect the water pump motor, the power collecting device may be used to collect the input power of the water pump motor, and when the input power is greater than the rated power of the water pump, the power supply of the water pump motor is disconnected.
Further, the method can also comprise the following steps:
and 305, adjusting the output power of the central control system to enable the input power of the water suction pump motor to be smaller than or equal to the rated power, and starting the water suction pump motor after the output power is smaller than or equal to the rated power.
It should be noted that, in order to prevent the water pump motor from being always in a shutdown state and affecting the normal operation of the photoelectric water control system, the water pump motor may be started after the output power of the central control system, that is, the input power of the water pump motor, is less than or equal to the rated power.
Example 4
For easy understanding, please refer to fig. 3, an embodiment of the automatic control safety protection device for the photoelectric water control system is provided in the present application, which includes: a frequency acquisition device and a frequency converter;
the frequency acquisition device is used for detecting the actual working frequency of a water pump motor of the electric control water system in real time;
and the frequency converter is used for adjusting the rotating speed of the water suction pump motor when the actual working frequency is greater than the frequency threshold value, so that the actual working frequency of the water suction pump motor is reduced to the frequency threshold value, and adjusting the rotating speed of the water suction pump motor when the actual working frequency is less than the frequency threshold value, so that the actual working frequency of the water suction pump motor is increased to the frequency threshold value.
It should be noted that the photoelectric water control system is a system which utilizes a solar panel to absorb solar energy, converts the solar energy into electric energy through a central control system, and provides a power supply for a water supply system, thereby realizing water resource delivery. The photoelectric water control system mainly comprises a solar panel, a solar controller, a central control system, a pumping device and a water supply device, wherein the solar panel receives solar radiation energy, performs photoelectric conversion through solar control and supplies electric energy to the central control system, the central control system performs electric energy conversion, an output alternating current provides a working power supply for the pumping device, a water pump motor drives a water pump to work, and water is supplied to a user through the water supply device. Generally speaking, the working frequency threshold of the water pump motor is 50Hz, and if the actual working frequency of the water pump motor is higher than 50Hz or lower than 50Hz, the service life of the water pump motor is affected, therefore, in the embodiment of the present application, the frequency acquisition device may be used to detect the actual working frequency of the water pump motor of the photoelectric control water system in real time, and send the actual working frequency detected in real time to the frequency converter, and when the actual working frequency of the water pump motor is greater than the frequency threshold, the frequency converter down-regulates the rotation speed of the water pump motor to reduce the actual working frequency of the water pump motor to the frequency threshold, and when the actual working frequency of the water pump motor is less than the frequency threshold, the rotating speed of the water suction pump motor is adjusted upwards, so that the actual working frequency of the water suction pump motor is increased to a frequency threshold value, the actual working frequency of the water suction pump motor is guaranteed to be in a normal working state, and the problem that the service life is affected due to the fact that the actual working frequency of the water suction pump motor is too high or too low is solved.
In one embodiment, the automatic control safety protection device of the photoelectric water control system can also comprise a current acquisition device and a relay;
the current collection device is used for detecting the output current output to the central control system by the solar controller of the optical and electric control water system;
the relay is connected with the solar controller and the central control system;
the solar controller turns off the relay when the output current is greater than or equal to the current threshold.
In one embodiment, the solar controller is further configured to:
after opening the relay, the output current is regulated, and when the output current is less than the current threshold, the relay is closed.
In one embodiment, the automatic control safety protection device of the photoelectric water control system can also comprise a power acquisition device;
and the power acquisition device is used for detecting the input power of the water suction pump motor in real time and transmitting the input power to the central control system, so that the central control system cuts off the power supply of the water suction pump motor when the input power is greater than the rated power of the water suction pump.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A self-control safety protection method of a photoelectric water control system is characterized by comprising the following steps:
detecting the actual working frequency of a water pump motor of the electric control water system in real time;
if the actual working frequency is larger than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be reduced to the frequency threshold;
and if the actual working frequency is smaller than the frequency threshold, adjusting the rotating speed of the water suction pump motor to enable the actual working frequency of the water suction pump motor to be increased to the frequency threshold.
2. The automatic control safety protection method of the photoelectric water control system according to claim 1, further comprising:
detecting the output current output to a central control system by a solar controller of the electric control water system;
and if the output current is greater than or equal to the current threshold, disconnecting the relay on the connecting passage of the solar controller and the central control system.
3. The automatic control safety protection method of the photoelectric water control system according to claim 2, further comprising, after disconnecting the relay on the connection path between the solar controller and the central control system:
and sending a current feedback signal to the solar controller to enable the solar controller to regulate the output current, and closing the relay after receiving a current recovery signal of the solar controller.
4. The automatic control safety protection method of the photoelectric water control system according to claim 1, further comprising:
detecting the input power of the water pump motor in real time;
and if the input power is greater than the rated power of the water suction pump, disconnecting the power supply of the water suction pump motor.
5. The automatic control safety protection method of the photoelectric water control system according to claim 4, wherein after the power supply of the water pump motor is cut off, the method further comprises the following steps:
and adjusting the output power of the central control system to enable the input power of the water suction pump motor to be less than or equal to the rated power, and starting the water suction pump motor after the output power is less than or equal to the rated power.
6. The automatic control safety protection method of the photoelectric water control system according to claim 1, wherein the frequency threshold is 50 Hz.
7. The utility model provides a photoelectric control water system automatic control safety arrangement which characterized in that includes: a frequency acquisition device and a frequency converter;
the frequency acquisition device is used for detecting the actual working frequency of a water pump motor of the electric control water system in real time;
the frequency converter is used for adjusting the rotating speed of the water suction pump motor when the actual working frequency is larger than a frequency threshold value, so that the actual working frequency of the water suction pump motor is reduced to the frequency threshold value, and adjusting the rotating speed of the water suction pump motor when the actual working frequency is smaller than the frequency threshold value, so that the actual working frequency of the water suction pump motor is increased to the frequency threshold value.
8. The automatic control safety protection device of the photoelectric water control system according to claim 7, further comprising a current collecting device and a relay;
the current collection device is used for detecting the output current output to the central control system by the solar controller of the optical and electric control water system;
the relay is connected with the solar controller and the central control system;
the solar controller turns off the relay when the output current is greater than or equal to a current threshold.
9. The automatic safety protection device for a photoelectric water control system according to claim 8, wherein the solar controller is further configured to:
adjusting the output current after opening the relay, closing the relay when the output current is less than a current threshold.
10. The automatic control safety protection device of a photoelectric water control system according to claim 7, further comprising a power acquisition device;
the power acquisition device is used for detecting the input power of the water suction pump motor in real time and sending the input power to the central control system, so that the central control system cuts off the power supply of the water suction pump motor when the input power is larger than the rated power of the water suction pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010862569.4A CN112202384B (en) | 2020-08-25 | 2020-08-25 | Automatic control safety protection method and device for photoelectric water control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010862569.4A CN112202384B (en) | 2020-08-25 | 2020-08-25 | Automatic control safety protection method and device for photoelectric water control system |
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| CN112202384A true CN112202384A (en) | 2021-01-08 |
| CN112202384B CN112202384B (en) | 2022-06-24 |
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| CN112202384B (en) | 2022-06-24 |
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