CN114785213A - Water pump flushing control circuit and control method of intelligent closestool - Google Patents

Water pump flushing control circuit and control method of intelligent closestool Download PDF

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Publication number
CN114785213A
CN114785213A CN202210332907.2A CN202210332907A CN114785213A CN 114785213 A CN114785213 A CN 114785213A CN 202210332907 A CN202210332907 A CN 202210332907A CN 114785213 A CN114785213 A CN 114785213A
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China
Prior art keywords
module
water pump
power
output
intelligent closestool
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CN202210332907.2A
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Chinese (zh)
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CN114785213B (en
Inventor
张宋达
陶基伟
葛叶卫
方丽华
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Zhejiang Xingxing Bianjiebao Co ltd
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Zhejiang Xingxing Bianjiebao Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/01Special constructions of flushing devices, e.g. closed flushing system using flushing pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, 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
    • F04B49/06Control using electricity
    • F04B49/065Control using electricity and making use of computers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, 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
    • F04B49/20Control, 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 by changing the driving speed
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/29Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

The invention discloses a water pump flushing control circuit and a control method of an intelligent closestool, belongs to the technical field of intelligent closestool control, and solves the problems of applicability of electricity standard and singleness of a power control mode.

Description

Water pump flushing control circuit and control method of intelligent closestool
Technical Field
The invention relates to the field of intelligent closestool control, in particular to a water pump flushing control circuit and a control method of an intelligent closestool.
Background
Along with intelligent closestool's technical transformation, the function integrates more, wherein, then control through the water pump to the bath of closestool, the work of water pump motor will accord with the bath requirement of closestool, we know the closestool bath, need wash by water and closestool bottom to closestool shirt rim bath, the power way that two different positions need wash by water, discharge all distinguish, in order to allot suitable bath mode, then need optimize and improve the scheme of the single bath of water of current single water pump. In addition, based on product globalization, different power utilization environments need to be adapted. In China, the 220V mains supply standard is mainly used, and in other countries or parts of regions, the 100V mains supply standard is adopted. Thereby causing a problem of adaptation to the use environment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, at least solves the technical problems in the related technology to a certain extent, and provides a water pump flushing control circuit and a control method of an intelligent closestool, which have the advantages of improving the global platform universality level and realizing a high-reliability working process in a multifunctional mode in two environments with different power supply standards.
In order to solve the technical problems, the technical scheme of the invention is as follows: a water pump flushing control circuit of an intelligent closestool is based on standard voltage and comprises a rectifying module, a filtering module, a power modulation module, an MCU control module and a water pump motor module,
the input of the rectification module can select the corresponding standard voltage and rectify the alternating current into direct current to be output,
the filtering module is connected with the output of the rectifying module and used for modulating and balancing direct current;
a power modulation module, a power supply end is connected with the filter module and is powered by the direct current output by the filter module, a control end is connected with the MCU control module and controls the output power by the signal wave output by the MCU control module, a drive end is connected with the water pump motor module and is used for controlling the working power of the water pump motor module,
the water pump motor module is driven by direct current provided by the filtering module.
Preferably, the rectification module comprises a choke coil and an AC-DC module, and the choke coil and the AC-DC module are connected in series.
Preferably, the filtering module comprises a thermistor, an electrolytic capacitor E3 and an electrolytic capacitor E4, the thermistor is connected in series with the positive output of the direct current of the AC-DC module, the output end of the thermistor is grounded through the electrolytic capacitor E3, the electrolytic capacitor E4 is connected in parallel with the electrolytic capacitor E3, and the output end of the thermistor serves as a direct current power supply end.
Preferably, the power modulation module comprises a PWM driving circuit, the PWM driving circuit comprises an optical coupling circuit and a transistor switching circuit, the optical coupling circuit receives a PWM wave signal and transmits the PWM wave signal to the transistor switching circuit in an isolated manner, the transistor switching circuit controls the on/off of a ground loop of the water pump motor module, and the transistor switching circuit further adjusts the power of the water pump motor module according to the response of the optical coupling circuit.
Preferably, the power modulation module further comprises a relay switch module, an input end of the relay switch module is connected with the MCU control module, a switch contact of the relay switch module is connected in series to a power supply loop of the water pump motor module, and the relay switch module controls power supply of the water pump motor module to be turned on or off in response to a level signal of the MCU control module.
Preferably, the water pump motor comprises a main motor and a diode D2, and the diode D2 is connected to the main motor in an anti-parallel mode.
Preferably, the standard voltage is 100V-220V.
Preferably, when the alternating current 220V standard voltage is selected, the PWM wave signal carrying starting module output by the MCU control module comprises 10-50% of power in variable frequency operation;
when the standard voltage of alternating current 100V is selected, the PWM wave signal carried starting module output by the MCU control module comprises 60% -100% power of variable frequency operation.
A water pump flushing control method of an intelligent closestool comprises the water pump flushing control circuit of the intelligent closestool, wherein a water pump motor module is applied to the intelligent closestool, and when an alternating current 220V standard voltage is selected, a PWM (pulse width modulation) wave signal carrying starting module output by an MCU (microprogrammed control unit) control module carries out frequency conversion operation with 10-50% of power;
when the standard voltage of alternating current 100V is selected, the PWM wave signal carried starting module output by the MCU control module comprises 60% -100% power of variable frequency operation.
Preferably, the water pump motor module sets the working power of two modes of flushing the skirt part of the closestool and flushing the bottom of the closestool respectively.
Compared with the background art, the technical effects of the invention are mainly embodied in the following aspects:
1. the universal global platform is realized, the standard voltages based on different countries can be used, the circuit module is simplified, the overall production cost is reduced, the resources are saved, and the standard power consumption of 100 plus 220V can be met;
2. the closestool realizes that the skirt edge flushing and the bottom flushing are separated, adopts different power control, combines multiple functional modes based on simplifying the hardware structure, saves the manufacturing cost, increases the use function and improves the working reliability.
Drawings
FIG. 1 is a block diagram of an embodiment of a module;
FIG. 2 is a schematic circuit diagram of an embodiment of converting AC to DC;
FIG. 3 is a schematic circuit diagram of a power modulation module in an embodiment;
fig. 4 is a diagram of a power control operation mode in the embodiment.
Reference numerals are as follows: 200. a rectification module; 210. a choke coil; 220. an AC-DC module; 300. a filtering module; 310. a thermistor; 400. a power modulation module; 410. a PWM drive circuit; 411. an optocoupler circuit; 412. a transistor switching circuit; 420. a relay switch module; 500. an MCU control module; 600. a water pump motor module; 7. a main motor.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
The embodiment is as follows:
a water pump flushing control circuit of an intelligent closestool is based on standard voltage, and the standard voltage is 100V-220V. Specifically referring to fig. 1, the present disclosure includes a rectifier module 200, a filter module 300, a power modulation module 400, an MCU control module 500, and a water pump motor module 600.
The input of the rectification module 200 can arbitrarily select the standard voltage, and rectify the alternating current into the direct current output. As shown in fig. 2, the rectifying module 200 includes a choke 210 and an AC-DC module 220, and the choke 210 and the AC-DC module 220 are connected in series with each other. The ac choke 210 operates in an ac state without dc magnetization, similar to a single coil transformer. The electromagnetic process of the transformer is different from that of the transformer: the determination of the magnetic induction in the transformer core depends on the applied voltage and is independent of the actual load current; for most ac chokes 210, the determination of the magnetic induction in the core depends on the load current, and not on the applied voltage of the circuit. The arrangement module is adaptive to two standard external power supplies and can convert alternating current into direct current.
The filtering module 300 is connected to the output of the rectifying module 200, and modulates and balances the dc power. Specifically, referring to fig. 2, the filtering module 300 includes a thermistor 310, an electrolytic capacitor E3 and an electrolytic capacitor E4, the thermistor 310 is connected in series to the positive output of the DC power of the AC-DC module 220, the output terminal of the thermistor 310 is grounded through an electrolytic capacitor E3, an electrolytic capacitor E4 is connected in parallel to an electrolytic capacitor E3, and the output terminal of the thermistor 310 serves as a DC power supply terminal. The thermistor 310 has an electrical symbol RT1, and functions to cut off the circuit when the temperature is too high, thereby realizing over-temperature protection and improving the working reliability. The a terminal of the part of the output direct current is supplied to the a terminal of fig. 3.
Referring to fig. 3, a power modulation module 400. The power end a is connected to the filter module 300 and powered by the direct current output by the filter module 300, the control end is connected to the MCU control module 500 and controls the output power by the PWM signal wave output by the MCU control module 500, and the drive end is connected to the water pump motor module 600 and controls the operating power of the water pump motor module 600. Specifically, the power modulation module 400 includes a PWM driving circuit 410, and the PWM driving circuit 410 includes an optical coupler circuit 411 and a transistor switching circuit 412. The optical coupler circuit 411 receives a PWM wave signal and transmits the PWM wave signal to the transistor switch circuit 412 in an isolated manner, the transistor switch circuit 412 controls the connection and disconnection of the ground circuit of the water pump motor module 600, and the transistor switch circuit 412 adjusts the power of the water pump motor module 600 according to the response of the optical coupler circuit 411. The optical coupler circuit 411 mainly includes an optical coupler OP2 and a resistor R53, and the connection structure thereof can be directly obtained with reference to fig. 3. In addition, the transistor switch circuit 412 includes an NMOS transistor Q13, a resistor R46, and a resistor R45. Here, the optical coupler circuit 411 is used to isolate and transmit the PWM wave signal, and the output terminal of the optical coupler is connected to VDD voltage, which is 5V, so that a pulse width signal having an amplitude of 5V can be output, thereby controlling the transistor switch circuit 412 to be turned on and off, turned on at a high level, and turned off at a low level, and controlling the time length of the turn-on or turn-off according to the pulse width length.
The water pump motor module 600 is driven by the dc power provided by the filter module 300. The operating power for the water pump motor can be controlled.
The power modulation module 400 further comprises a relay switch module 420, an input end of the relay switch module 420 is connected with the MCU control module 500, and a switch contact of the relay switch module 420 is connected in series with a power supply loop of the water pump motor module 600, wherein the relay switch module 420 controls power supply on/off of the water pump motor module 600 in response to a level signal of the MCU control module 500. The relay switch module 420 comprises a resistor R130, a resistor R131, a transistor Q12, a relay K2 and a diode D15. Therefore, the circuit can be seen that the on-off of the power supply loop of the water pump motor module 600 is directly controlled by the MCU control module 500.
The water pump motor comprises a main motor 7 and a diode D2, wherein a diode D2 is reversely connected to the main motor 7 in parallel. The diode D2 is used to keep the current flowing in one direction and avoid the current reversal.
In addition, when the alternating current 220V standard is selected, the PWM wave signal carrying starting module output by the MCU control module 500 includes a variable frequency operation of 10% -50% power, such as a variable frequency starting of 30% power, and a normal starting of 50% power; when the second power supply input module 12 with the alternating current 100V standard is selected, the PWM wave signal carrying starting module output by the MCU control module 500 comprises 60% -100% of power in variable frequency operation. Such as: the frequency conversion starts 60% of power, and the normal start is 90% -100% of power.
Therefore, the scheme also provides a water pump flushing control method of the intelligent closestool, which comprises the water pump flushing control circuit of the intelligent closestool, wherein the water pump motor module 600 is applied to the intelligent closestool, and when the alternating current 220V standard is selected, the PWM wave signal carried starting module output by the MCU control module 500 runs 10% -50% of power, for example, the frequency conversion starts 30% of power, and the normal starting is 50% of power; when the alternating current 100V standard is selected, the PWM wave signal embarkation starting module output by the MCU control module 500 comprises the variable frequency operation of 60% -100% power. Such as: the frequency conversion starts 60% of power, and the normal start is 90% -100% of power. The water pump motor module 600 sets the working power of the two modes of flushing the skirt part of the toilet and flushing the bottom of the toilet respectively.
The speed regulation working principle of the water pump motor module 600 is as follows:
the invention aims to provide a wide voltage water pump flushing control circuit suitable for an intelligent closestool, and has the advantages that the wide voltage water pump flushing control circuit is suitable for adjusting wide voltage input motor drive with various frequencies to meet flushing requirements of motors with different powers and different frequencies. The control chip IC2 model of the MCU control module 500 is R5F100LEAFB, or other single-chip microcomputer.
The twenty-four pins of the MCU control chip control the different frequencies of the customer demands through built-in data, PWM signals with different duty ratios are connected with the first pin of the optical coupler OP2 through a resistor R53 to generate a conduction signal, and the fourth pin of the optical coupler OP2 is connected to the G pole of the MOS transistor through R46 to enable the MOS transistor to generate conduction and closing states, so that the control of the power and the frequency of the motor is realized. The conduction closing frequency and the conduction time are output and controlled by a program control chip, the length of the conduction time controls the height of output voltage, the motor is suitable for motors with different voltages, the actual output power of the motor is controlled, and the rotation speed of the motor is controlled by the size of the conduction frequency to meet the requirement of a customer on the rotation speed of the motor.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims (10)

1. The utility model provides an intelligence closestool's water pump bath control circuit, is based on standard voltage, characterized by: comprises a rectifying module (200), a filtering module (300), a power modulation module (400), an MCU control module (500) and a water pump motor module (600),
the input of the rectifying module (200) can select the corresponding standard voltage and rectify the alternating current into direct current to be output,
the filtering module (300) is connected to the output of the rectifying module (200) and modulates and balances the direct current;
a power modulation module (400), a power supply end is connected with the filtering module (300) and is powered by direct current output by the filtering module (300), a control end is connected with the MCU control module (500) and controls output power by signal waves output by the MCU control module (500), a drive end is connected with the water pump motor module (600) and is used for controlling the working power of the water pump motor module (600),
the water pump motor module (600) is driven by the direct current provided by the filtering module (300).
2. The intelligent closestool water pump flushing control circuit of claim 1, wherein: the rectifying module (200) comprises a choke coil (210) and an AC-DC module (220), and the choke coil (210) and the AC-DC module (220) are mutually connected in series.
3. The intelligent closestool water pump flushing control circuit as claimed in claim 2, wherein: the filtering module (300) comprises a thermistor (310), an electrolytic capacitor E3 and an electrolytic capacitor E4, wherein the thermistor (310) is connected in series with the positive electrode output of the direct current of the AC-DC module (220), the output end of the thermistor (310) is grounded through an electrolytic capacitor E3, an electrolytic capacitor E4 is connected in parallel with an electrolytic capacitor E3, and the output end of the thermistor (310) serves as a direct current power supply end.
4. The intelligent closestool water pump flushing control circuit as claimed in claim 1, wherein: the power modulation module (400) comprises a PWM driving circuit (410), the PWM driving circuit (410) comprises an optical coupler circuit (411) and a transistor switch circuit (412), the optical coupler circuit (411) receives PWM wave signals and conducts the signals to the transistor switch circuit (412) in an isolated mode, the transistor switch circuit (412) controls the on-off of a ground loop of the water pump motor module (600), and the transistor switch circuit (412) regulates the power of the water pump motor module (600) according to the response of the optical coupler circuit (411).
5. The intelligent closestool water pump flushing control circuit as claimed in claim 4, wherein: the power modulation module (400) further comprises a relay switch module (420), the input end of the relay switch module (420) is connected with the MCU control module (500), a switch contact of the relay switch module (420) is connected in series with a power supply loop of the water pump motor module (600), and the relay switch module (420) responds to a level signal of the MCU control module (500) to control the power supply on-off of the water pump motor module (600).
6. The intelligent closestool water pump flushing control circuit of claim 1, wherein: the water pump motor comprises a main motor (7) and a diode D2, wherein the diode D2 is reversely connected to the main motor (7) in parallel.
7. The intelligent closestool water pump flushing control circuit as claimed in claim 1, wherein: the standard voltage is 100V-220V.
8. The intelligent closestool water pump flushing control circuit of claim 7, wherein: when the standard voltage of alternating current 220V is selected, the PWM wave signal carrying and starting module output by the MCU control module (500) comprises 10-50% of power in variable frequency operation;
when the standard voltage of alternating current 100V is selected, the PWM wave signal carrying and starting module output by the MCU control module (500) comprises 60% -100% power of variable frequency operation.
9. A water pump flushing control method of an intelligent closestool is characterized by comprising the following steps: the water pump flushing control circuit of the intelligent closestool comprises the water pump flushing control circuit of the intelligent closestool as claimed in any one of claims 1-8, a water pump motor module (600) is applied to the intelligent closestool, and when the standard voltage of alternating current 220V is selected, a PWM wave signal carrying starting module output by the MCU control module (500) comprises frequency conversion operation of 10-50% of power;
when the standard voltage of alternating current 100V is selected, the PWM wave signal carrying starting module output by the MCU control module (500) comprises 60% -100% power of variable frequency operation.
10. The intelligent closestool water pump flushing control method as claimed in claim 9, wherein the method comprises the following steps: the water pump motor module (600) respectively sets the working power of two modes of flushing water at the skirt part of the closestool and flushing water at the bottom of the closestool.
CN202210332907.2A 2022-03-30 2022-03-30 Water pump flushing control circuit and control method of intelligent closestool Active CN114785213B (en)

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JPH0538191A (en) * 1990-10-25 1993-02-12 Samsung Electron Co Ltd 110v/220v combining power supply device for universal motor
KR940011243U (en) * 1992-10-08 1994-05-27 삼성전자주식회사 AC motor operation status monitoring device
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JP2004248439A (en) * 2003-02-14 2004-09-02 Daewoo Electronics Corp Motor usable at both high voltage and low voltage, and vacuum cleaner equipped therewith
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CN111749315A (en) * 2019-03-29 2020-10-09 Toto株式会社 Sanitary ware
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