Electronic device for regularly and automatically adjusting rotating speed of water pump and water pump

Abstract

A water pump electronic device capable of automatically adjusting the rotating speed in a timing mode and the water pump are characterized in that the electronic device comprises a speed adjusting module, a control module, a storage module and a communication module, the speed adjusting module comprises a relay set, a starting capacitor set and a coil set, and the relay set comprises a first relay, a second relay and a third relay; the starting capacitor set comprises a first starting capacitor, a second starting capacitor and a third starting capacitor, the coil set comprises a first main coil, a second main coil, a first auxiliary coil and a second auxiliary coil, the water pump comprises the electronic device, the rotating speed of multiple water pumps can be automatically adjusted in a timing mode, work of the water pumps is controlled, and the water pumps have multiple sets of control modes. The cost is low, the operation is simple, and the user experience is further improved.

Description

[0001] Cross - reference to related applications

[0002] This application claims priority to U.S. Patent Application No. 18424918, filed on January 29, 2024, with the title "An Electronic Device for Automatically Adjusting the Rotation Speed of a Water Pump at Regular Intervals", and the entire content of the above - mentioned application, including any amendments thereto, is incorporated herein by reference in its entirety. Technical field

[0003] The utility model relates to the technical field of water pumps, and in particular to an electronic device for automatically adjusting the rotation speed of a water pump at regular intervals. Background art

[0004] A water pump is a machine that transports liquids or increases the pressure of liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid, increasing the energy of the liquid. It is mainly used to transport liquids including water, oil, acid - base solutions, emulsions, suspension emulsions, and liquid metals, and can also transport liquid - gas mixtures and liquids containing suspended solids. Currently, the rotation speed of water pumps is switched manually, but this method of switching the rotation speed is labor - intensive.

[0005] Existing Chinese authorized invention with publication number CN112483239B discloses a control method and system for the rotation speed of an internal combustion engine's electronic water pump. By monitoring the water temperature, intake air temperature, and oil temperature of the internal combustion engine, it realizes the control of the water pump's rotation speed, effectively improving the reliability and combustion efficiency of the internal combustion engine's operation, avoiding damage to the internal combustion engine caused by using it under non - standard conditions, and ensuring that the internal combustion engine operates at suitable temperatures. However, it is difficult to adjust the rotation speeds of multiple water pumps regularly over a long period with this control method.

[0006] Based on the above problems, the present application for the utility model provides a brand - new water pump and control device. This water pump can automatically adjust the rotation speeds of multiple water pumps at regular intervals to control the operation of the water pumps. Moreover, this water pump has multiple control modes, low cost, and simple operation, further improving the user experience. Summary of the utility model

[0007] The utility model provides an electronic device for automatically adjusting the rotation speed of a water pump at regular intervals, which includes a speed - regulating module, a control module, a storage module, and a communication module; and

[0008] wherein, the speed - regulating module includes a relay group, a starting capacitor group, and a coil group; and

[0009] wherein, the relay group includes three relays, namely a first relay, a second relay, and a third relay. Among them, all three relays include a first end and a second end; and

[0010] Among them, the starting capacitor group includes a first starting capacitor, a second starting capacitor, and a third starting capacitor respectively; and

[0011] Among them, the coil group includes four coils, and the four coils are a first main coil, a second main coil, a first auxiliary coil, and a second auxiliary coil respectively. Among them, the four coils all have a first end and a second end; and

[0012] Among them, both ends of the electronic device are respectively connected to the neutral line and the live line. The first ends of the four coils and the first ends of the three relays are the ends close to the live line, and the second ends of the four coils and the second ends of the three relays are the ends close to the neutral line. The second ends of the four coils are all electrically connected to the neutral line; and

[0013] Among them, the first end of the first relay is connected to the live line, and the second end is electrically connected to the first end of the first main coil. The first end of the second relay is electrically connected to the second end of the first relay through the second starting capacitor. The second end of the second relay is electrically connected to the first end of the first auxiliary coil. The first end of the third relay is electrically connected to the live line. The second end of the third relay is electrically connected to the first end of the second main coil and is electrically connected to the first end of the second auxiliary coil through the third starting capacitor. The first ends of the first main coil and the first auxiliary coil are electrically connected through the first starting capacitor.

[0014] Preferably, a plurality of motor multi-tap terminals and a power socket are provided on the electronic device, and the power socket has an interface corresponding to the motor multi-tap terminals.

[0015] Preferably, the electronic device is connected to a motor, and the motor is connected to the plurality of motor multi-tap terminals through a wire.

[0016] Preferably, the first ends of the three relays all have gear terminals. Among them, the first end of the first relay has a medium-speed gear terminal, the first end of the second relay has a high-speed gear terminal, and the first end of the third relay has a low-speed gear terminal

[0017] Preferably, the three relays are connected to the control module through a connection socket. Among them, the connection socket is provided with connection interfaces corresponding to the gear terminals, and the connection socket is electrically connected to the control module to realize the control of the three relays by the control module.

[0018] Preferably, the connection socket is further connected to a current sensor. The current sensor can sense the information of the measured current and can transform the detected information into an electrical signal or other required form of information that meets certain standard requirements according to a certain rule and output it.

[0019] Preferably, the control module can control three speed gears, namely high speed gear, medium speed gear and low speed gear, and the speed gears are controlled by different on and off states of the three relays.

[0020] Preferably, the electronic device is equipped with a remote control device. Among them, through the remote control device, the communication module can communicate wirelessly with the user, and generate a set of control signals according to the control instructions issued by the user, and the control signals will be transmitted to the three relays.

[0021] The present utility model also provides a water pump, which adopts any one of the above-mentioned water pump timing automatic speed adjustment electronic devices.

[0022] Preferably, the water pump further includes a clock module;

[0023] Among them, the control module is electrically connected to the clock module; and

[0024] Among them, the water pump includes three speed gears and energized circuits with three different powers. The three relays respectively control the connection and disconnection of the three energized circuits with different powers one by one, so as to realize the switching of the water pump between the three speed gears, and the clock module can control the three relays to work regularly.

[0025] The prominent and beneficial technical effects of the present utility model compared with the prior art:

[0026] This water pump can automatically adjust the speed of multiple water pumps regularly, control the operation of the water pump, and moreover, this water pump has multiple control modes, low cost, simple operation, and further improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0028] Figure 1 It is a circuit schematic diagram of the speed regulation module in the application of the present utility model;

[0029] Figure 2 It is a circuit schematic diagram of the speed regulation module in the application of the present utility model;

[0030] Figure 3 It is a circuit schematic diagram of the power socket in the application of the present utility model;

[0031] Figure 4Schematic diagram of the circuit connecting the socket in the application of this utility model;

[0032] Figure 5 Schematic diagram of the circuit of the current sensor in the application of this utility model;

[0033] Figure 6 Schematic diagram of the circuit of the control module in the application of this utility model;

[0034] Figure 7 Schematic diagram of the circuit of the storage module in the application of this utility model;

[0035] Figure 8 Schematic diagram of the circuit of the communication module in the application of this utility model;

[0036] Figure 9 Schematic diagram of the circuit of the clock module in the application of this utility model;

[0037] Figure 10 Schematic diagram of the water pump in the application of this utility model;

[0038] Figure 11 Cross-sectional view of the water pump in the application of this utility model;

[0039] Figure 12 Schematic diagram of the circuit board in the application of this utility model;

[0040] Figure 13 Schematic diagram of the circuit of the second circuit board in the application of this utility model;

[0041] Figure 14 Schematic diagram of the circuit of the speed regulation module in the application of this utility model.

[0042] In the figure:

[0043] First circuit board (100); speed regulation module (110); first relay (111); second relay (112); third relay (113); first starting capacitor (121); second starting capacitor (122); third starting capacitor (123); first main coil (131); second main coil (132); first secondary coil (141); second secondary coil (142); motor multi-tap terminal (143); power socket (120); connection socket (130); control module (140); storage module (150); communication module (160); transceiver (161); switching diode (162); clock module (170); current sensor (180); second circuit board (200); rectifier bridge (210); offline switch (220); three-terminal adjustable shunt regulator (230); user interface (300); cover plate (310); first power-on loop (410); second power-on loop (420); third power-on loop (430); live wire (L); neutral wire (N). Detailed implementation manners

[0044] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0045] Referring to "embodiment" or "implementation manner" herein means that a specific feature, structure, or characteristic described in conjunction with the embodiment or implementation manner may be included in at least one embodiment of the present application. The phrase appears in various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments.

[0046] In this specification, for convenience, terms indicating orientation or positional relationships such as "middle", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are used to describe the positional relationships of the components with reference to the accompanying drawings. This is only for the convenience of describing this specification and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present disclosure. The positional relationships of the components are appropriately changed according to the directions of the described components. Therefore, it is not limited to the terms described in the specification, and can be appropriately replaced according to the situation.

[0047] As a preferred embodiment of the present utility model application, the present utility model application provides an electronic device for controlling a water pump. The electronic device controls multiple functional modules, thereby realizing the conversion of the working state of the device through circuit control.

[0048] In this embodiment, the electronic device includes a speed regulation module 110, a control module 140, a storage module 150, and a communication module 160.

[0049] Refer to Figure 1 and Figure 2 As shown, the speed regulation module 110 includes a relay group, a starting capacitor group, and a coil group. The relay group includes a first relay 113, a second relay 112, and a third relay 113. The starting capacitor group includes a first starting capacitor 121, a second starting capacitor 122, and a third starting capacitor 123 respectively. The coil group includes a first main coil 131, a second main coil 132, a first auxiliary coil 141, and a second auxiliary coil 142.

[0050] In some embodiments, the number of electronic components included in the relay group, the starting capacitor group, and the coil group can be one, two, or other multiple quantity characteristics.

[0051] Furthermore, the two ends of the electronic device are respectively connected to the neutral line N and the live line L. Each of the three relays includes a first end and a second end, and each of the four coils also has a first end and a second end. Among them, the first ends of the four coils and the first ends of the three relays are the ends close to the live line L, and the second ends of the four coils and the second ends of the three relays are the ends close to the neutral line N.

[0052] Specifically, refer to Figure 1 and Figure 2 As shown, the connection relationship between the relay group, the starting capacitor group, and the coil group is as follows. The first end of the first relay 111 is connected to the live line L, the second end of the first relay 111 is electrically connected to the first end of the first main coil 131. The first end of the second relay 112 is electrically connected to the second end of the first relay 111 through the second starting capacitor 122, and the second end of the second relay 112 is electrically connected to the first end of the first auxiliary coil 141. The first end of the third relay 113 is electrically connected to the live line L, the second end of the third relay 113 is electrically connected to the first end of the second main coil 132. At the same time, the second end of the third relay 113 is electrically connected to the first end of the second auxiliary coil 142 through the third starting capacitor 123. The first ends of the first main coil 131 and the first auxiliary coil 141 are electrically connected through the first starting capacitor 121, and the second ends of the four coils in the coil group are all electrically connected to the neutral line N. Through the simple and convenient circuit connection relationship of the speed regulation module 110, the entire electronic device can convert the working mode of the water pump through the speed regulation module 110.

[0053] Further, a plurality of motor multi-tap terminals 143 and a power socket 120 are provided on the electronic device. Refer to Figure 1 and Figure 2 As shown, the motor multi-tap terminal 143 is located on the speed control module 110. Refer to Figure 3 As shown, the power socket 120 has an interface corresponding to the motor multi-tap terminal 143. In the figure, "yellow", "Red-2", "Red", "Black", and "Orange" are all interfaces corresponding to the motor multi-tap terminal 143. The motor multi-tap terminal 143 is connected to the corresponding interface. At the same time, through a wire, the motor of the water pump can be connected to a plurality of motor multi-tap terminals 143. After being powered on, it is powered by the power socket 120, and the power transmitted through the electronic device drives the water pump to rotate and controls the speed of the motor of the water pump.

[0054] The first ends of the three relays all have gear terminals. When the relay is closed to the gear terminal, the motor of the water pump can have different speeds. Among them, the first end of the first relay 111 has a medium-speed gear terminal, the first end of the second relay 112 has a high-speed gear terminal, and the first end of the third relay 113 has a low-speed gear terminal. The three relays have three gear speeds of high-speed gear, medium-speed gear, and low-speed gear through different conduction and disconnection states, and the three gear speeds are controlled and adjusted by the control module 140 in the electronic device.

[0055] Further, the three relays are connected to the control module 140 through a connection socket 130. Among them, the connection socket 130 is provided with connection interfaces corresponding to the gear terminals. In the figure, "Low speed", "Standard speed", and "High speed" are connection interfaces corresponding to the gear terminals. Among them, the first relay 111 is connected to the Standard speed interface, the second relay 112 is connected to the High speed interface, and the third relay 113 is connected to the Low speed interface. The connection socket 130 is electrically connected to the control module 140 to realize the control of the three relays by the control module 140.

[0056] In this embodiment, refer to Figures 3 to 6 As shown, the connection socket 130 is respectively connected to the current sensor 180 and the control module 140 through the "Current ADC" interface. The current sensor 180 is an ASC712 / CH701 chip, which can sense the information of the measured current and can transform the detected information into an electrical signal or other required form of information that meets certain standards according to certain rules and output it.

[0057] Refer to Figure 6 andFigure 7 As shown, the control module 140 is electrically connected to the storage module 150. In this embodiment, the storage module 150 is a removable SD card, and the rotation speed mode and time parameters set by the user can be stored through the storage module 150, so as to realize the automatic adjustment function.

[0058] In this embodiment, no specific type of the control module 140 is restricted. In other embodiments, the control module 140 may include one or more processing devices, such as a microprocessor, a CPU, etc., such as a general or special microprocessor, operable to execute programming instructions or microcontrol codes related to the operation of the relay. At the same time, the control module 140 not only refers to the integrated circuit called included in a computer in the art, but also refers to a controller, a microcontroller, a microcomputer, a programmable logic controller (PLC), an application specific integrated circuit (ASIC), and other programmable circuits.

[0059] In other embodiments (not shown in the figure), the storage module may mainly be a USB flash drive, or a mobile hard disk, or other storage devices with storage functions such as an SSD solid state drive. In additional or alternative embodiments (not shown in the figure), the storage module may represent a random access memory such as DRAM, or a read only memory such as ROM or FLASH. Additionally, the storage module generally may include memory elements, including but not limited to computer readable media (e.g., random access memory (RAM)), computer readable non-volatile media (e.g., flash memory), and / or other suitable memory elements.

[0060] The electronic device also has a communication module 160 and a remote control device. Through the remote control device, the communication module 160 can communicate with the user wirelessly and generate a set of control signals according to the control instructions issued by the user. The control signals will be transmitted to the three relays, thereby changing the working state of the water pump. In this embodiment, the type of the remote control device is not restricted.

[0061] In other embodiments (not shown in the figure), the mobile device includes but is not limited to a mobile phone, such as other portable electronic devices, such as Apple's iPod Apple's and those based on Google's Android operating system, and any other portable electronic devices, including software, firmware, hardware, or a combination thereof, at least capable of receiving signals, decoding (if necessary), and exchanging information with a server to verify information. Typical components of the mobile device may include but are not limited to permanent memories such as flash ROM, random access memories such as SRAM, cameras, batteries, LCD drivers, displays, cellular antennas, speakers, A circuit and a WIFI circuit, where the permanent memory may contain programs, applications, and / or operating systems for mobile devices. The mobile device may be a key card. The key card, which can be a security token, is a small hardware device with a built-in authentication mechanism. It is used to manage and protect access to network services, data, provide access, communicate with devices, etc.

[0062] In other embodiments (not shown in the figures), the communication means may use any one of a variety of communication standards, protocols, and technologies, including but not limited to Global System for Mobile Communications (GSM), Enhanced Data GSM Environment (EDGE), High-Speed Downlink Packet Access (HSDPA), Wideband Code Division Multiple Access (W-CDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., IEEE802.11a, IEEE802.11b, IEEE802.11g, or IEEE802.11n), Voice over Internet Protocol (VoIP), Wi-MAX, email protocols (e.g., Internet Message Access Protocol (IMAP) and / or Post Office Protocol (POP)), instant messaging (e.g., Extensible Messaging and Presence Protocol (XMPP), Instant Messaging and Presence Leveraging Extensions for Session Initiation Protocol (SIMPLE), or Instant Messaging and Presence Service (IMPS)), or Short Message Service (SMS)), or any other suitable communication protocol, including communication protocols developed and not yet completed since the submission of this document.

[0063] Refer to Figure 8 As shown, a transceiver 161 and a switching diode 162 are provided on the communication module 160. In this embodiment, the transceiver 161 is an SP3485E chip, and the switching diode 162 is an LMBD7000LT1G switching diode 162.

[0064] In other embodiments, the model of the transceiver 161 may also be SP3485EN, or other types of transceivers such as MAX3485E. At the same time, the model of the switching diode 162 may be MMBD7000LT1G, or other types of switching diodes such as 1N4148.

[0065] As a preferred embodiment of this utility model application, this utility model application also provides a water pump with a timing automatic speed adjustment function. This water pump utilizes the above-described electronic device to achieve the function of timing automatic speed adjustment of the water pump through the electronic device.

[0066] Furthermore, refer to Figure 9As shown, the electronic device further includes a clock module 170, and the control module 140 is electrically connected to the clock module 170. Specifically, the water pump includes three speed gears and power-on circuits with three different powers. The three relays cooperate with each other to control the conduction and disconnection of the power-on circuits with three different powers, so as to realize the switching of the water pump among the three speed gears. The clock module 170 can regularly control the working time of the three relays, so that the three relays are respectively in different closed and open states within a specific time.

[0067] In this embodiment, referring to Figures 10 to 12 As shown, the water pump includes two circuit boards, namely a first circuit board 100 and a second circuit board 200. The electronic device is arranged on the first circuit board 100, and the second circuit board 200 is provided with a variety of electronic component modules, so as to supply power and protect all the electronic components. The first circuit board 100 and the second circuit board 200 cooperate with each other to realize the functions of the water pump.

[0068] Referring to Figure 13 As shown, the second circuit board 200 includes a rectifier bridge 210. The rectifier bridge 210 is a DB207S rectifier bridge, and the rectifier bridge 210 converts the power supply current connected to the second circuit board 200 and then supplies power to other components.

[0069] Furthermore, the second circuit board 200 includes an offline switch 220 and a three-terminal adjustable shunt regulator 230. The offline switch can also ensure that each module works independently without interference. The purpose of doing this is to prevent one module from being damaged due to high-voltage discharge or other reasons and affecting other modules. At the same time, the three-terminal adjustable shunt regulator 230 uses a feedback control method to detect and compare the output voltage, and adjusts the current size of the control tube, so that the output voltage always remains at a stable value.

[0070] In this embodiment, the offline switch 220 is a TNY290P offline switch, and the three-terminal adjustable shunt regulator 230 is a TL431 three-terminal adjustable shunt regulator. In other embodiments (not shown in the figure), the offline switch 220 and the three-terminal adjustable shunt regulator 230 can also be of other types of models.

[0071] The second circuit board 200 is connected to the power supply to supply power to the first circuit board 100, and the power supply current is converted by the rectifier bridge 210 and then transmitted to the offline switch 220 and the three-terminal adjustable shunt regulator 230.

[0072] In this embodiment, the water pump includes a user interface 300 and a remote control device. The user interface 300 is connected to the first circuit board 100. The operating parameters of the water pump can be set through the user interface 300, and the user interface 300 communicates with the remote control device. Specifically, through the user interface, the clock module 170 and the rotation speed of the water pump can be directly set and adjusted on the water pump. The user can also remotely control the water pump through the remote control device.

[0073] In this embodiment, the user interface 300 is a touch screen. The water pump can be directly controlled through the touch screen. A cover plate 310 is covered on the touch screen. The cover plate 310 can be flipped and has a folding angle from 0 degrees to 120 degrees. The cover plate 310 protects the touch screen.

[0074] In other embodiments (not shown in the figure), the control method may include physical buttons, such as: joysticks, dials, slide switches, touch switches, toggle switches, and joysticks, click wheels, etc. In some alternative embodiments (not shown in the figure), the control method can be coupled to any one of the following (or not coupled): keyboards, infrared ports, USB ports, and pointing devices, such as mice. In some embodiments (not shown in the figure), the control method can also be an electronic device, such as a touch screen, a computer device, and other control system devices.

[0075] As a supplement to the application of the present utility model, a method for using a water pump with a timing automatic speed adjustment is also provided.

[0076] First, a water pump that can adjust the speed automatically at a fixed time is provided. The water pump includes a first relay 111, a second relay 112, and a third relay 113. Through the mutual cooperation of the three relays, the conduction and disconnection of three energized circuits with different powers can be controlled.

[0077] Refer to Figures 1 to 14 As shown, these three energized circuits are the first energized circuit 410, the second energized circuit 420, and the third energized circuit 430 respectively. The first relay 111 controls the first energized circuit 410, and the second relay 112 and the first relay 111 cooperate to control the second energized circuit 420. The third relay 113 controls the third energized circuit 430.

[0078] Specifically, when the first relay 111 and the second relay 112 are closed and the third relay 113 is open, at this time, the first energized circuit and the second energized circuit are conducting, and the third energized circuit is open. The water pump is in the high-speed gear;

[0079] When the first relay 111 is closed and the second relay 112 and the third relay 113 are open, at this time, the first energized circuit is conducting, and the second energized circuit and the third energized circuit are open. The water pump is in the medium-speed gear;

[0080] When the first relay 111 and the second relay 112 are disconnected and the third relay 113 is disconnected and then closed, the first energizing circuit and the second energizing circuit are disconnected, and when the third energizing circuit is conducting, the water pump is in the low-speed gear.

[0081] Furthermore, the water pump is controlled by the user and has a user interface 300. The user can perform timing settings on the water pump through the user interface 300, so that the water pump can automatically adjust the working speed at a fixed time.

[0082] This usage method can realize the automatic adjustment of the water pump speed through simple circuit control, which is both convenient and practical. At the same time, due to the adoption of timing control, different working time periods can be preset according to actual needs, so that the water pump operates at different speed gears in different time periods, thus better meeting the needs of users. In addition, this usage method can also effectively save energy and improve the usage efficiency of the water pump.

[0083] Compared with traditional water pumps, the water pump of this utility model application has multiple control modes, can automatically adjust the speeds of multiple water pumps at a fixed time, thereby controlling the operation of the water pumps. At the same time, this water pump has low cost and simple operation, which can further improve the user experience.

[0084] At the broad level of this utility model application, this water pump with automatic timing speed adjustment can be applied in the following industries: water supply systems. This water pump can realize the automatic adjustment of speed in water supply systems, improve the utilization efficiency of water resources and reduce energy consumption. For example, the constant pressure closed-loop control of the water supply pressure in pump stations; power equipment. This water pump can realize the automatic adjustment of speed in power equipment and improve the operation efficiency of power equipment; industrial production environments. In industrial production environments with conditions such as vibration, high temperature, electromagnetic, radiation, humidity, dust or certain acid-base corrosion, this water pump can provide corresponding water pressure and flow rate; the biopharmaceutical field. In the biopharmaceutical field with requirements for cleanliness and data recording, this water pump can provide precise water pressure and flow control; energy-saving transformation. In the water supply industry, the energy-saving effect of variable-frequency speed control water supply pumps is very significant.

[0085] In summary, through unique settings, this utility model application enables the water pump to automatically adjust the speeds of multiple water pumps at a fixed time and control the operation of the water pumps. And this water pump has multiple control modes, low cost and simple operation. At the same time, it also provides flexible and efficient control methods, which can not only meet the needs under different working conditions, save energy, but also reduce the mechanical wear and noise of the pump, extend the service life of the pump, and also improve the efficiency of hydraulic regulation, widely applying the variable-frequency speed control water supply pump technology to achieve more efficient and energy-saving hydraulic regulation.

[0086] The technical means disclosed by the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions formed by any combination of the above technical features. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications are also regarded as the protection scope of the present utility model.

Claims

1. An electronic device for automatically adjusting the speed of a water pump at a fixed time, characterized in that: The electronic device includes a speed regulating module, a control module, a storage module and a communication module; and Wherein, the speed regulation module includes a relay group, a starting capacitor group and a coil group; and Wherein, the relay group includes three relays, the three relays are respectively a first relay, a second relay and a third relay, wherein the three relays each include a first end and a second end; and Wherein, the starting capacitor groups are respectively a first starting capacitor, a second starting capacitor and a third starting capacitor; and Wherein, the coil group includes four coils, and the four coils are respectively a first main coil, a second main coil, a first secondary coil and a second secondary coil, wherein the four coils each have a first end and a second end; and Wherein, two ends of the electronic device are connected to a neutral line and a live line respectively, the first ends of the four coils and the first ends of the three relays are ends close to the live line, the second ends of the four coils and the second ends of the three relays are ends close to the neutral line, and the second ends of the four coils are all electrically connected to the neutral line; and Among them, the first end of the first relay is connected to the live wire, and the second end is electrically connected to the first end of the first main coil, the first end of the second relay is electrically connected to the second end of the first relay through the second starting capacitor, the second end of the second relay is electrically connected to the first end of the first secondary coil, the first end of the third relay is electrically connected to the live wire, the second end of the third relay is electrically connected to the first end of the second main coil, and is electrically connected to the first end of the second secondary coil through the third starting capacitor, and the first end of the first main coil and the first end of the first secondary coil are electrically connected through the first starting capacitor.

2. The electronic device for automatically adjusting the speed of a water pump according to claim 1, characterized in that: The electronic device is provided with a plurality of motor multi-tap connection terminals and a power socket, and the power socket has interfaces corresponding to the motor multi-tap connection terminals.

3. The electronic device for automatically adjusting the speed of a water pump according to claim 2, characterized in that: The electronic device is connected to a motor, and the motor is connected to a plurality of multi-tap connection terminals of the motor through wires.

4. The electronic device for automatically adjusting the speed of a water pump according to claim 3, characterized in that: The first ends of the three relays all have a gear terminal, wherein the first end of the first relay has a medium-speed gear terminal, the first end of the second relay has a high-speed gear terminal, and the first end of the third relay has a low-speed gear terminal.

5. The electronic device for automatically adjusting the speed of a water pump according to claim 4, characterized in that: The three relays are connected to the control module via a connection socket, wherein the connection socket is provided with a connection interface corresponding to the shift terminal, and the connection socket is electrically connected to the control module to enable the control module to control the three relays.

6. The electronic device for automatically adjusting the speed of a water pump according to claim 5, characterized in that: The connection socket is also connected to a current sensor, which can sense the information of the measured current and convert the sensed information into an electrical signal or other required form of information output in accordance with a certain rule that meets certain standard requirements.

7. The electronic device for automatically adjusting the speed of a water pump according to claim 1, characterized in that: The control module can control three speed gears, namely a high speed gear, a medium speed gear and a low speed gear, and the speed gear is controlled by different on and off states of the three relays.

8. The electronic device for automatically adjusting the speed of a water pump according to claim 1, characterized in that: The electronic device is equipped with a remote control device, wherein the communication module can wirelessly communicate with the user through the remote control device, and generate a group of control signals according to the control instructions issued by the user, and the control signals will be transmitted to the three relays.

9. A water pump, characterized in that: An electronic device for automatically adjusting the speed of a water pump at a fixed time as described in any one of claims 1 to 8 is used.

10. A water pump according to claim 9, characterized in that: The water pump also includes a clock module; Wherein, the control module is electrically connected to the clock module; and Among them, the water pump includes three speed gears and power circuits with three different powers. The three relays control the connection and disconnection of the power circuits with three different powers respectively and one by one, so as to realize the switching of the water pump between the three speed gears. The clock module can control the operation of the three relays in a timely manner.

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