CN109044108B - Full-automatic water dispenser control circuit - Google Patents
Full-automatic water dispenser control circuit Download PDFInfo
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- CN109044108B CN109044108B CN201810876484.4A CN201810876484A CN109044108B CN 109044108 B CN109044108 B CN 109044108B CN 201810876484 A CN201810876484 A CN 201810876484A CN 109044108 B CN109044108 B CN 109044108B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 174
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 16
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 10
- 101150015738 Fev gene Proteins 0.000 claims description 10
- 102100037681 Protein FEV Human genes 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 10
- 229910052801 chlorine Inorganic materials 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 4
- 239000011347 resin Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 150000003839 salts Chemical class 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention relates to the technical field of water softener control, in particular to a full-automatic water dispenser control circuit which can realize automatic monitoring of water consumption and automatic control of resin treatment for recycling, and comprises a motor for driving a water valve, wherein the motor is connected with 12V alternating current, and the full-automatic water dispenser control circuit is characterized by further comprising a water flow sensor, a water flow sensor and a water flow sensor, wherein the water flow sensor is used for monitoring the water consumption; the position sensor is used for monitoring the position of the water valve; the display screen module is used for displaying the water valve and water consumption information; the power supply conversion module is used for converting 12V alternating current into direct current power supply; and the MCU is used for receiving the water consumption and the water valve position information, sending display information to the display screen and sending driving information to the motor.
Description
Technical Field
The invention relates to the technical field of water softener control, in particular to a full-automatic water dispenser control circuit.
Background
Common tap water has high hardness and brings great inconvenience to human health and life. The water softener removes calcium and magnesium ions in water through resin ion exchange to soften the water. At present, common water softeners are internally provided with a water softener for recycling resin, and the water softener is manually and timely backwashed, regenerated by absorbing salt, replaced, positively washed, supplemented with water by a salt tank and the like.
Disclosure of Invention
In order to solve the problem that the service cycle of the resin cannot be reliably monitored in the prior art, the invention provides a full-automatic water dispenser control circuit which can automatically monitor water consumption and automatically control the resin to be processed for recycling.
The technical scheme is as follows: the utility model provides a full-automatic water dispenser control circuit, its includes the motor that drives the water valve, 12V alternating current is connected to the motor, its characterized in that still includes:
The water flow sensor is used for monitoring water consumption;
The position sensor is used for monitoring the position of the water valve;
The display screen module is used for displaying the water valve and water consumption information;
The power supply conversion module is used for converting 12V alternating current into direct current power supply;
And the MCU is used for receiving the water consumption and the water valve position information, sending display information to the display screen and sending driving information to the motor.
The MCU unit is further characterized by comprising a singlechip U4, wherein the model of the singlechip U4 is STM32F103RCT6, and the singlechip U4 is connected with a crystal oscillator circuit;
the power conversion module comprises a socket CN1 connected with 12V alternating current, a pin 1 of the socket CN1 is connected with the positive pole of a diode D2 and the negative pole of a diode D4, a pin 2 of the socket CN1 is connected with the positive pole of the diode D1 and the negative pole of a diode D3, the negative pole of the diode D1 and the negative pole of the diode D2 are both connected with the positive pole of a super capacitor E1, one end of a capacitor C1, the 8 pin of a buck switch voltage stabilizing chip U3, one end of a resistor R15 and the input end of a three-terminal voltage stabilizer U1, the positive pole of the diode D3 and the positive pole of the diode D4 are both connected with the negative pole of the super capacitor E1, the other end of the diode C1, the grounding end of the three-terminal voltage stabilizer U1 and the negative pole of the super capacitor E2 and are connected with the output end of the super capacitor E2 and are 12VDC output ends, the other end of the resistor R15 is connected with one end of the capacitor C8 and the 6 voltage stabilizing chip U3, the voltage-reducing switch voltage-stabilizing chip U3's 7 foot connects electric capacity C33 one end, electric capacity C33 other end connect diode D8's negative pole, inductance L1 one end with voltage-reducing switch voltage-stabilizing chip U3's 1 foot, electric capacity L1 other end connection resistance R17 one end, electric capacity C9 one end, super capacitor E3's positive pole, electric capacity C10 one end, voltage-stabilizing chip U7's 3 feet and this node be 5VDC output, inductance L2 one end is connected to voltage-stabilizing chip U7's 2 feet, electric capacity L2 other end connection super capacitor E4's positive pole and be 3.3VDC output, voltage-reducing switch voltage-stabilizing chip U3's 3 foot connection electric capacity C7 one end, electric capacity C7 other end connection resistance R16 one end, voltage-reducing switch voltage-stabilizing chip U3's 4 foot connection resistance R18 one end resistance R17 other end the electric capacity C9 other end, electric capacity C8 other end, voltage-reducing switch voltage-stabilizing chip U3's 5 feet and 2 feet, the other end of the resistor R16, the anode of the diode D8, the other end of the resistor R18, the cathode of the super capacitor E3, the other end of the capacitor C10, the cathode of the super capacitor E4 and the pin 1 of the voltage stabilizing chip U7 are all grounded;
The motor is connected with a socket CN2, a pin 2 of the socket CN2 is connected with a socket CN1, a pin 1 of the socket CN2 is connected with one end of a resistor R14, the other end of the resistor R14 is connected with one end of a capacitor C2 and a pin 6 of a solid-state relay U2, the other end of the capacitor C2 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a pin 1 of the socket CN1 and a pin 8 of the solid-state relay U2, a pin 2 of the solid-state relay U2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with 3.3VDC, and a pin 1, a pin 3 and a pin 4 of the solid-state relay U2 are connected and then connected with a pin 57 of the single chip microcomputer U4;
The display screen module comprises a socket CN9, a socket CN10 and a socket CN11 for plugging a TFT display screen, wherein the 1 pin and the 2 pin of the socket CN10 are connected and then connected with 3.3VDC, one end of a capacitor C4 and one end of a capacitor C5, the 2 pin of the socket CN11 is connected with one end of a capacitor C6 and 3.3VDC, the 3 pin and the 4 pin of the socket CN10, the other end of the capacitor C4, the other end of the capacitor C5, the 1 pin of the socket CN11, the 3 pin of the socket CN11, the 4 pin of the socket CN11 and the other end of the capacitor C6 are grounded, the 1 pin to 4 pin, the 14 pin to 22 pin and the 24 pin to 26 pin of the socket CN9 are connected with 8 pin to 11 pin, 24 pin, 25 pin, 37 pin, 38 pin, 61 pin, 62 pin, 29 pin, 30 pin and 33 pin to 36 pin of the singlechip U4 through a data bus DB, the 23 pins of the socket CN9 are connected with the positive electrode of the diode D7, one end of the resistor R56, one end of the capacitor C32 and 7 pins of the singlechip U7, the negative electrode of the diode D7 and the other end of the resistor R56 are both connected with 3.3VDC, the other end of the capacitor C32 is grounded, the 5 pins of the socket CN9 are connected with the 5VDC, the 10 pins to 13 pins of the socket CN9 are respectively connected with the collector electrode of the triode Q4 through the resistor R8, the resistor R9, the resistor R10 and the resistor R11, the emitter electrode of the triode Q4 is grounded, the base electrode is connected with one end of the resistor R12, the other end of the resistor R12 is connected with one end of the resistor R13 and the 54 pins of the singlechip U4, and the other end of the resistor R13 is connected with the 3.3VDC;
The MCU is also connected with an alarm circuit, the alarm circuit comprises a buzzer BZ1, one end of the buzzer BZ1 is connected with a collector electrode of a triode Q3 and one end of a resistor R57, an emitter electrode of the triode Q3 is grounded, a base electrode of the triode Q3 is connected with one end of a resistor R58, and the other end of the resistor R58 is connected with a pin 15 of the singlechip U4;
The MCU unit is also connected with a key circuit, the key circuit comprises four keys SW1, a key SW2, a key SW3 and a key SW4 which are connected in parallel, one end of the key SW1 is connected with one end of a resistor R35, one end of a capacitor C18 and 2 feet of the single chip microcomputer U4, one end of the key SW2 is connected with one end of a resistor R36, one end of a capacitor C19 and 53 feet of the single chip microcomputer U4, one end of the key SW3 is connected with one end of a resistor R37, one end of a capacitor C20 and 52 feet of the single chip microcomputer U4, and one end of the key SW4 is connected with one end of a resistor R38, one end of a capacitor C21 and 51 feet of the single chip microcomputer U4;
the water flow sensor is connected with a socket CN5 and a socket CN6, a1 pin of the socket CN5 is connected with the 5VDC, a2 pin of the socket CN5 is connected with one end of a resistor R31 and one end of a resistor R32, the other end of the resistor R31 is connected with the 3.3VDC, the other end of the resistor R32 is connected with one end of a capacitor C22 and the 14 pin of a singlechip U4, the 2 pin of the socket CN6 is connected with one end of a resistor R33 and one end of a resistor R34, the other end of the resistor R34 is connected with one end of a capacitor C17 and the 5 pin of the singlechip U4, and the 1 pin of the socket CN6, the other end of the resistor R34 and the other end of the capacitor C17 are grounded; the position sensor is connected with a socket CN7 and a socket CN8, a pin 1 of the socket CN7 is connected with one end of a resistor R24 and one end of a resistor R19, the other end of the resistor R24 is connected with one end of a capacitor C11 and one end of a resistor R20, a pin 2 of the socket CN7 is connected with one end of a resistor R25 and one end of a resistor R20, the other end of the resistor R25 is connected with one end of a capacitor C12 and one end of a single chip microcomputer U4, a pin 3 of the socket CN7 is connected with one end of a resistor R26 and one end of a resistor R21, the other end of the resistor R26 is connected with one end of a capacitor C13 and one end of a resistor R28, the other end of the resistor R28 is connected with one end of a capacitor C16 and one end of a resistor R21 and one end of a single chip microcomputer U4, the 1 pin of the socket CN8 is connected with the 5VDC, the 3 pin of the socket CN8 is connected with one end of R29 and one end of resistor R22, the other end of resistor R29 is connected with one end of capacitor C14 and one end of resistor R23, the 4 pin of the socket CN8 is connected with one end of resistor R30 and one end of resistor R23, the other end of resistor R30 is connected with one end of capacitor C15 and one end of 44 pin of the single chip U4, the other end of resistor R19, the other end of resistor R20, the other end of resistor R21, the other end of resistor R22 and the other end of resistor R23 are all connected with the 3.3VDC, and the other end of resistor R27, the other end of capacitor C11, the other end of capacitor C12, the other end of capacitor C13, the other end of capacitor C14, the other end of capacitor C15 and the other end of capacitor C16 are all grounded;
The MCU unit is also connected with a residual chlorine module, an external power supply output module and a test module, the residual chlorine module comprises a socket CN3 connected with a residual chlorine generator, a pin 1 of the socket CN3 is connected with the anode of a diode D5 and the collector of a triode Q1, a pin 2 of the socket CN3 is connected with the cathode of the diode D5 and 12VDC, the base of the triode Q1 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R4 is connected with the emitter of the triode Q1 and then grounded, and the other end of the resistor R3 is connected with a pin 58 of the singlechip U4; the external power supply output module comprises a socket CN4, wherein a pin 2 of the socket CN4 is connected with one end of a capacitor C3 and the drain end of a PMOS tube PET1, the gate end of the PMOS tube PET1 is connected with the collector electrode of a triode Q2 and one end of a resistor R5, the other end of the resistor R5 is connected with the source end of the PMOS tube PET1 and then is connected with the 12VDC, the base electrode of the triode Q2 is connected with one end of a resistor R6 and one end of a resistor R7, the other end of the resistor R7 is connected with the pin 27 of the singlechip U4, and the pin 1 of the socket CN4, the other end of the capacitor C3, the emitter electrode of the triode Q2 and the other end of the resistor R6 are grounded; the side view module comprises a JTAG socket CN12, wherein pins 2 to 7 of the JTAG socket CN12 are connected with pins 50, 46, 49, 55, 7 and 56 of the singlechip U4;
The crystal oscillator circuit comprises a crystal oscillator X1, one end of the crystal oscillator X1 is connected with a1 pin of a clock chip U8 and one end of a capacitor C25, the other end of the crystal oscillator X1 is connected with a capacitor C26 and 2 pins of the clock chip U8, the other end of the capacitor C25 is connected with one end of a capacitor C34 and the 4 pins of the clock chip U8 and grounded after being connected with the other end of the capacitor C26, the other end of the capacitor C34 is connected with a resistor R63 and the 8 pins of the clock chip U8, the 6 pins of the clock chip U8 are connected with one end of a resistor R62 and the 3 pins of a singlechip U4, the 5 pins of the clock chip U8 are connected with one end of a resistor R61 and the 4 pins of the singlechip U4, the other ends of the resistor R61 and the resistor R62 are both connected with the 3.3VDC, the 3-pin of the clock chip U8 is connected with the positive electrode of the super capacitor E6, one end of the resistor R54 and the 1-pin of the singlechip U4, the other end of the resistor R54 is connected with the negative electrode of the diode D6, the positive electrode of the diode D6 is connected with the 3.3VDC, the 13-pin of the singlechip U4 is connected with one end of the capacitor C31, the positive electrode of the super capacitor E7 and one end of the inductor L3, the other end of the inductor L3 is connected with the 3.3VDC, the 60-pin of the singlechip U4 is connected with one end of the resistor R55, one end of the resistor R53 is connected with one end of the 26-pin, one end of the resistor R52 is connected with the 41-pin, and the other end of the resistor R55, the other end of the capacitor C31, the negative electrode of the super capacitor E7, the other end of the resistor R52 and the other end of the resistor R53 are grounded;
The MCU unit is also connected with a memory module, the memory module comprises a flash memory chip U5 and an EEPROM chip U6, the 22 pin of the single chip U4 is connected with the 8 pin of the flash memory chip U5, the 4 pin of the EEPROM chip U6 and a resistor R49, the 23 pin of the single chip U4 is connected with the 1 pin of the flash memory chip U5, the 3 pin of the EEPROM chip U6 and one end of a resistor R48, the 21 pin of the single chip U4 is connected with the 2 pin of the flash memory chip U5 and the 2 pin of the EEPROM chip U6, the 20 pin of the single chip U4 is connected with the 4 pin of the flash memory chip U5, one end of the resistor R46 is connected with the 3 pin of the EEPROM chip U5, the 7 pin of the flash memory chip U5 is grounded, the 6 pin of the flash memory chip U5 is connected with one end of a resistor R44, one end of a capacitor C23, 3.3, the other end of the resistor R44 is connected with the 2 pin of the flash memory chip U5, the other end of the capacitor C45, the other end of the capacitor C59 is connected with the other end of the capacitor C59, and the other end of the EEPROM chip U59 is connected with the resistor R59.
After the circuit of the invention is adopted, the water consumption is monitored by the water flow sensor, the position sensor monitors the position of the water valve, the water consumption is accurately calculated, and the MCU unit is used for automatically controlling the resin to be processed so as to realize the recycling.
Drawings
FIG. 1 is a schematic circuit diagram of the present invention;
FIG. 2 is a schematic diagram of a circuit at the power conversion module and motor;
FIG. 3 is a schematic diagram of the circuit at the water flow sensor and residual chlorine generator;
FIG. 4 is a schematic diagram of a circuit within the position sensor;
FIG. 5 is a schematic diagram of a circuit at a key module;
FIG. 6 is a schematic diagram of an alarm circuit and a crystal oscillator circuit;
FIG. 7 is a schematic diagram of a monolithic circuit;
FIG. 8 is a schematic diagram of a backlight circuit;
FIG. 9 is a schematic diagram of a circuit at the super capacitor;
FIG. 10 is a schematic diagram of a display screen module;
FIG. 11 is a schematic diagram of a display module;
fig. 12 is a schematic diagram of a memory module circuit.
Detailed Description
Referring to fig. 1 to 12, a full-automatic water dispenser control circuit includes a motor for driving a water valve, the motor being connected with 12V ac power, and further includes:
The water flow sensor is used for monitoring water consumption;
The position sensor is used for monitoring the position of the water valve;
The display screen module is used for displaying the water valve and water consumption information;
The power supply conversion module is used for converting 12V alternating current into direct current power supply;
And the MCU is used for receiving the water consumption and the water valve position information, sending display information to the display screen and sending driving information to the motor.
The MCU unit comprises a singlechip U4, the model of the singlechip U4 is STM32F103RCT6, and the singlechip U4 is connected with the crystal oscillator circuit.
The power conversion module comprises a socket CN1 connected with 12V alternating current, the 1 pin of the socket CN1 is connected with the positive pole of a diode D2 and the negative pole of a diode D4, the 2 pin of the socket CN1 is connected with the positive pole of the diode D1 and the negative pole of a diode D3, the negative pole of the diode D1 and the negative pole of the diode D2 are both connected with the positive pole of a super capacitor E1, one end of a capacitor C1, the 8 pin of a buck switch voltage stabilizing chip U3, one end of a resistor R15 and the input end of the three-terminal voltage stabilizing chip U1, the positive pole of the diode D3 and the positive pole of the diode D4 are both connected with the negative pole of the super capacitor E1, the other end of the diode C1 and the ground end of the three-terminal voltage stabilizing chip U1, the negative pole of the super capacitor E2 is grounded, the output end of the three-section voltage stabilizing chip U1 is connected with the positive pole of the super capacitor E2 and is a12 VDC output end, one end of the resistor R15 and one end of the capacitor C8 and the 6 pin of the buck switch voltage stabilizing chip U3 are connected with one end of a capacitor C33, the other end of the capacitor C33 is connected with the cathode of the diode D8, one end of the inductor L1 and the 1 pin of the buck switch voltage stabilizing chip U3, the other end of the inductor L1 is connected with one end of the resistor R17, one end of the capacitor C9, the anode of the super capacitor E3, one end of the capacitor C10, 3 pins of the voltage stabilizing chip U7 and the node is a 5VDC output end, 2 pins of the voltage stabilizing chip U7 are connected with one end of the inductor L2, the other end of the inductor L2 is connected with the anode of the super capacitor E4 and is a 3.3VDC output end, 3 pins of the buck switch voltage stabilizing chip U3 are connected with one end of the capacitor C7, the other end of the capacitor C7 is connected with one end of the resistor R16, the other end of the resistor R18, the other end of the resistor R17, the other end of the capacitor C9, the other end of the capacitor C8, the 5 pins and 2 pins of the buck switch voltage stabilizing chip U3, the other end of the resistor R16, the anode of the diode D8, the other end of the resistor R18, the cathode of the super capacitor E3, the cathode of the capacitor C10, the other end of the buck switch voltage stabilizing chip, the negative electrode of the super capacitor E4 and the 1 pin of the voltage stabilizing chip U7 are grounded.
The motor is connected with a socket CN2, a pin 2 of the socket CN2 is connected with a socket CN1, a pin 1 of the socket CN2 is connected with one end of a resistor R14, the other end of the resistor R14 is connected with one end of a capacitor C2 and a pin 6 of a solid-state relay U2, the other end of the capacitor C2 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a pin 1 of the socket CN1 and a pin 8 of the solid-state relay U2, a pin 2 of the solid-state relay U2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with 3.3VDC, the pins 1, 3 and 4 of the solid-state relay U2 are connected with a pin 57 of a single chip microcomputer U4, the type 12VAC realizes isolation control through the solid-state relay U2, the solid-state relay U2 is PR39MF11NSZF, the size is small, assembly requirements are met, the resistor R14 adopts a recoverable fuse, and a locked-turn damage driving device is avoided in the operation process.
The display screen module comprises a socket CN9, a socket CN10 and a socket CN11, wherein the socket CN9, the socket CN10 and the socket CN11 are used for plugging a TFT display screen, the 1 pin and the 2 pin of the socket CN10 are connected with 3.3VDC, one end of a capacitor C4 and one end of a capacitor C5, the 2 pin of the socket CN11 is connected with one end of a capacitor C6 and 3.3VDC, the 3 pin and the 4 pin of the socket CN10, the other end of the capacitor C4 and the other end of the capacitor C5 are grounded, the 1 pin to the 4 pin, the 14 pin to the 22 pin and the 24 pin to the 26 pin of the socket CN9 are connected with 8 to 11 pins, 24 pins, 25 pins, 37 pins, 38 pins, 61 pins, 62 pins, 29 pins, 30 pins and 33 to 36 pins of a single-chip microcomputer U4 through a data bus DB, the 23 pin of the socket CN9 is connected with the positive pole of a diode D7, one end of a resistor R56, one end of a capacitor C32, one end of a single-chip microcomputer U7, the negative pole of the diode D7 is connected with the other end of the resistor R56, the other end of the capacitor C32 VDC 3, the other end of the capacitor C11 is grounded, the other end of the capacitor C9 is connected with the other end of the resistor C9 is connected with the resistor C3.3 VDC 3, the other end of the resistor C9 is connected with the resistor C4, and the other end of the resistor C9 is connected with the resistor C4R 13, and the other end of the resistor C4 is connected with the resistor R10, the base is connected with the resistor R13, the resistor is connected with the resistor R13.
The MCU unit is also connected with an alarm circuit, the alarm circuit comprises a buzzer BZ1, one end of the buzzer BZ1 is connected with the collector electrode of the triode Q3 and one end of a resistor R57, the emitter electrode of the triode Q3 is grounded, the base electrode is connected with one end of a resistor R58, and the other end of the resistor R58 is connected with the 15 pin of the singlechip U4. The buzzer BZ1 is controlled by a transistor Q3.
The MCU unit is also connected with a key circuit, the key circuit comprises four keys SW1, a key SW2, a key SW3 and a key SW4 which are connected in parallel, one end of the key SW1 is connected with one end of a resistor R35, one end of a capacitor C18 and 2 feet of the single chip microcomputer U4, one end of the key SW2 is connected with one end of a resistor R36, one end of a capacitor C19 and 53 feet of the single chip microcomputer U4, one end of the key SW3 is connected with one end of a resistor R37, one end of a capacitor C20 and 52 feet of the single chip microcomputer U4, and one end of the key SW4 is connected with one end of a resistor R38, one end of a capacitor C21 and 51 feet of the single chip microcomputer U4. The 4 keys respectively correspond to a menu key, a confirmation key, a front or upper selection key and a rear or lower selection key, and as the port of the singlechip U4 is sufficient, the software writing is convenient, a matrix scheme is not adopted, a single-port control single-key mode is directly adopted, and a waterproof key is adopted.
The water flow sensor is connected with a socket CN5 and a socket CN6, a 1 pin of the socket CN5 is connected with 5VDC, a 2 pin of the socket CN5 is connected with one end of a resistor R31 and one end of a resistor R32, the other end of the resistor R31 is connected with 3.3VDC, the other end of the resistor R32 is connected with one end of a capacitor C22 and 14 pins of a single chip microcomputer U4, a 2 pin of the socket CN6 is connected with one end of a resistor R33 and one end of a resistor R34, the other end of the resistor R34 is connected with one end of a capacitor C17 and 5 pins of the single chip microcomputer U4, and the 1 pin of the socket CN6, the other end of the resistor R34 and the other end of the capacitor C17 are grounded; the position sensor is connected with a socket CN7 and a socket CN8, the 1 pin of the socket CN7 is connected with one end of a resistor R24 and one end of a resistor R19, the other end of the resistor R24 is connected with one end of a capacitor C11 and one end of a single chip microcomputer U4, the 2 pin of the socket CN7 is connected with one end of a resistor R25 and one end of a resistor R20, the other end of the resistor R25 is connected with one end of a capacitor C12 and one end of the single chip microcomputer U4, the 3 pin of the socket CN7 is connected with one end of a resistor R26 and one end of a resistor R21, the other end of the resistor R26 is connected with one end of a capacitor C13 and one end of a single chip microcomputer U4, the 4 pin of the socket CN7 is connected with one end of a resistor R27 and one end of a resistor R28, the other end of the resistor R28 is connected with one end of a capacitor C16 and one end of 6 pins of the single chip microcomputer U4, the 1 foot of socket CN8 connects 5VDC, the 3 foot of socket CN8 connects R29 one end, resistance R22 one end, resistance R29 other end connection electric capacity C14 one end, the 43 foot of singlechip U4, the 4 foot of socket CN8 connects resistance R30 one end, resistance R23 one end, electric capacity C15 one end is connected to the resistance R30 other end, the 44 foot of singlechip U4, the resistance R19 other end, the resistance R20 other end, the resistance R21 other end, the resistance R22 other end, the resistance R23 other end all connects 3.3VDC, the resistance R27 other end, the electric capacity C11 other end, the electric capacity C12 other end, the electric capacity C13 other end, the electric capacity C14 other end, the electric capacity C15 other end, the electric capacity C16 other end all ground connection. The position sensor and the water flow sensor are both provided with Hall elements, the 2 feet of the socket CN6 are used for detecting whether the water flow sensor is connected or not, the connection is displayed when the socket CN6 is electrified and is provided with a high level, the water flow sensor is not connected when the socket CN7 is continuously provided with a low level, and the socket CN7 is used for detecting whether the position sensor is connected or not and is the same as the water flow sensor in principle.
The MCU unit is also connected with a residual chlorine module, an external power supply output module and a test module, the residual chlorine module comprises a socket CN3 connected with a residual chlorine generator, a pin 1 of the socket CN3 is connected with the anode of a diode D5 and the collector of a triode Q1, a pin 2 of the socket CN3 is connected with the cathode of the diode D5 and 12VDC, the base of the triode Q1 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R4 is connected with the emitter of the triode Q1 and then grounded, and the other end of the resistor R3 is connected with the pin 58 of the singlechip U4; the external power supply output module comprises a socket CN4, wherein a pin 2 of the socket CN4 is connected with one end of a capacitor C3 and the drain end of a PMOS tube PET1, the gate end of the PMOS tube PET1 is connected with the collector electrode of a triode Q2 and one end of a resistor R5, the other end of the resistor R5 is connected with the source end of the PMOS tube PET1 and then connected with 12VDC, the base electrode of the triode Q2 is connected with one end of a resistor R6 and one end of a resistor R7, the other end of the resistor R7 is connected with the pin 27 of a singlechip U4, the pin 1 of the socket CN4, the other end of the capacitor C3, the emitter electrode of the triode Q2 and the other end of the resistor R6 are grounded, 12V voltage can be provided for the outside, and earphone control is realized through the triode Q2 and the PMOS tube PET1 due to small voltage drop; the side view module comprises a JTAG socket CN12, and pins 2 to 7 of the JTAG socket CN12 are connected with pins 50, 46, 49, 55, 7 and 56 of the singlechip U4.
The crystal oscillator circuit comprises a crystal oscillator X1, one end of the crystal oscillator X1 is connected with a1 pin of a clock chip U8 and one end of a capacitor C25, the other end of the crystal oscillator X1 is connected with a capacitor C26 and 2 pins of the clock chip U8, the other end of the capacitor C25 is connected with the other end of the capacitor C26 and then is connected with one end of a capacitor C34 and the 4 pins of the clock chip U8 to be grounded, the other end of the capacitor C34 is connected with a resistor R63 and the 8 pins of the clock chip U8, the 6 pins of the clock chip U8 are connected with one end of a resistor R62 and the 3 pins of a single chip U4, the 5 pins of the clock chip U8 are connected with one end of a resistor R61 and the 4 pins of the single chip U4, the other ends of the resistor R61 and the resistor R62 are connected with 3.3VDC, the 3 pins of the clock chip U8 are connected with the positive electrode of a super capacitor E6, one end of the resistor R54 and the 1 pin of the single chip U4, the other end of the resistor R54 is connected with the cathode of the diode D6, the anode of the diode D6 is connected with 3.3VDC, the 13 pin of the singlechip U4 is connected with one end of the capacitor C31, the anode of the super capacitor E7, one end of the inductor L3, the other end of the inductor L3 is connected with 3.3VDC, the 60 pin of the singlechip U4 is connected with one end of the resistor R55, one end of the resistor R53 and one end of the resistor R51, one end of the resistor R52 and one end of the resistor R50, the other ends of the resistor R50 and the resistor R5 are both connected with 3.3VDC, and the other ends of the resistor R55, the other ends of the capacitor C31, the cathode of the super capacitor E7, the cathode of the super capacitor E6, the other end of the resistor R52 and the other end of the resistor R53 are all grounded. The super capacitor E6 is fully charged to provide continuous timing of power failure for one week, and the diode D6 can prevent reverse charging.
The MCU unit is also connected with the memory module, the memory module comprises a flash memory chip U5 and an EEPROM chip U6, the 22 pin of the single chip microcomputer U4 is connected with the 8 pin of the flash memory chip U5, the 4 pin of the EEPROM chip U6 and a resistor R49, the 23 pin of the single chip microcomputer U4 is connected with the 1 pin of the flash memory chip U5, the 3 pin of the EEPROM chip U6 and a resistor R48 end, the 21 pin of the single chip microcomputer U4 is connected with the 2 pin of the flash memory chip U5 and the 2 pin of the EEPROM chip U6, the 20 pin of the single chip microcomputer U4 is connected with the 4 pin of the flash memory chip U5, the 1 pin of the EEPROM chip U6 and a resistor R46 end, the 3 pin of the flash memory chip U5 is connected with the 23 pin of a socket CN9, the 7 pin of the flash memory chip U5 is grounded, the 6 pin of the flash memory chip U5 is connected with one end of a resistor R44, one end of a capacitor C23, 3.3, the other end of the resistor R44 is connected with the 5, the other end of the 3 pin of the EEPROM chip U4 is connected with the other end of the resistor R45, the 8 pin of the EEPROM chip U6 is connected with the resistor R59, one end of the other end of the capacitor C24 is connected with the 3.3, the other end of the capacitor C24, the other end of the capacitor C59, the capacitor C24 is connected with the other end of the EEPROM chip U6, and the MCU chip is used for storing images, and the images are stored in the memory chip and the memory chip is more than the memory.
Claims (6)
1. The utility model provides a full-automatic water dispenser control circuit, its includes the motor that drives the water valve, 12V alternating current is connected to the motor, its characterized in that still includes:
The water flow sensor is used for monitoring water consumption;
The position sensor is used for monitoring the position of the water valve;
The display screen module is used for displaying the water valve and water consumption information;
The power supply conversion module is used for converting 12V alternating current into direct current power supply;
The MCU is used for receiving the water consumption and the water valve position information, sending display information to the display screen and sending driving information to the motor; the MCU unit comprises a singlechip U4, the model of the singlechip U4 is STM32F103RCT6, and the singlechip U4 is connected with the crystal oscillator circuit; the power conversion module comprises a socket CN1 connected with 12V alternating current, a1 pin of the socket CN1 is connected with the positive pole of a diode D2 and the negative pole of a diode D4, a 2 pin of the socket CN1 is connected with the positive pole of the diode D1 and the negative pole of a diode D3, the negative pole of the diode D1 and the negative pole of the diode D2 are both connected with the positive pole of a super capacitor E1, one end of a capacitor C1, 8 pins of a buck switch voltage stabilizing chip U3, one end of a resistor R15 and the input end of a three-terminal voltage stabilizer U1, the positive pole of the diode D3 and the positive pole of the diode D4 are both connected with the negative pole of the super capacitor E1, the other end of the diode C1, the grounding end of the three-terminal voltage stabilizer U1 and the negative pole of the super capacitor E2, the output end of the three-terminal voltage stabilizer U1 is connected with the positive pole of the super capacitor E2 and is a 12VDC output end, the other end of the resistor R15 is connected with one end of the capacitor C8, 6 pins of the buck switch voltage stabilizing chip U3, the three-phase buck switching regulator is characterized in that the 7 pin of the buck switching regulator U3 is connected with one end of a capacitor C33, the other end of the capacitor C33 is connected with the cathode of a diode D8, one end of an inductor L1 and the 1 pin of the buck switching regulator U3, the other end of the inductor L1 is connected with one end of a resistor R17, one end of the capacitor C9, the positive pole of an excess capacitor E3, one end of a capacitor C10, the 3 pin of the regulator U7 is connected with the 5VDC output end, the 2 pin of the regulator U7 is connected with one end of the inductor L2, the other end of the inductor L2 is connected with the positive pole of the excess capacitor E4 and is the 3.3VDC output end, the 3 pin of the buck switching regulator U3 is connected with one end of the capacitor C7, the other end of the capacitor C7 is connected with one end of a resistor R16, the 4 pin of the buck switching regulator U3 is connected with one end of a resistor R18, the other end of the resistor R17, the other end of the capacitor C9, the other end of the capacitor C8, the 5 pin and the 2 pin of the buck switching regulator U3, the other end of the resistor R16, the anode of the diode D8, the other end of the resistor R18, the cathode of the super capacitor E3, the other end of the capacitor C10, the cathode of the super capacitor E4 and the pin 1 of the voltage stabilizing chip U7 are all grounded;
The water flow sensor is connected with a socket CN5 and a socket CN6, a1 pin of the socket CN5 is connected with the 5VDC, a2 pin of the socket CN5 is connected with one end of a resistor R31 and one end of a resistor R32, the other end of the resistor R31 is connected with the 3.3VDC, the other end of the resistor R32 is connected with one end of a capacitor C22 and the 14 pin of a singlechip U4, the 2 pin of the socket CN6 is connected with one end of a resistor R33 and one end of a resistor R34, the other end of the resistor R34 is connected with one end of a capacitor C17 and the 5 pin of the singlechip U4, and the 1 pin of the socket CN6, the other end of the resistor R34 and the other end of the capacitor C17 are grounded; the position sensor is connected with a socket CN7 and a socket CN8, a1 pin of the socket CN7 is connected with one end of a resistor R24 and one end of a resistor R19, the other end of the resistor R24 is connected with one end of a capacitor C11 and one end of a resistor R20, a2 pin of the socket CN7 is connected with one end of a resistor R25 and one end of a resistor R20, the other end of the resistor R25 is connected with one end of a capacitor C12 and one end of a resistor U4, a3 pin of the socket CN7 is connected with one end of a resistor R26 and one end of a resistor R21, the other end of the resistor R26 is connected with one end of a capacitor C13 and one end of a 42 pin of the single chip U4, the 4 pin of the resistor R27 is connected with one end of a resistor R28, the other end of the resistor R28 is connected with one end of a capacitor C16 and one end of the 6 pin of the single chip U4, the 1 pin of the socket CN8 is connected with the 5VDC, the other end of the 3 pin of the resistor R29 is connected with one end of the resistor R22, the other end of the resistor R29 is connected with one end of the capacitor C14 and one end of the single chip U4, the other end of the resistor C43, the other end of the resistor C43 is connected with one end of the resistor C4, the other end of the resistor C4, and the other end of the resistor C3 is connected with one end of the resistor C23, the other end of the resistor C3, and the other end of the resistor C3 is connected with one end of the resistor C3, the other end is connected with one end of the resistor C3, and other end of the other end is connected with one end, and other end of the resistor;
The MCU unit is also connected with a residual chlorine module, an external power supply output module and a test module, the residual chlorine module comprises a socket CN3 connected with a residual chlorine generator, a pin 1 of the socket CN3 is connected with the anode of a diode D5 and the collector of a triode Q1, a pin 2 of the socket CN3 is connected with the cathode of the diode D5 and 12VDC, the base of the triode Q1 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R4 is connected with the emitter of the triode Q1 and then grounded, and the other end of the resistor R3 is connected with a pin 58 of the singlechip U4; the external power supply output module comprises a socket CN4, wherein a pin 2 of the socket CN4 is connected with one end of a capacitor C3 and the drain end of a PMOS tube PET1, the gate end of the PMOS tube PET1 is connected with the collector electrode of a triode Q2 and one end of a resistor R5, the other end of the resistor R5 is connected with the source end of the PMOS tube PET1 and then is connected with the 12VDC, the base electrode of the triode Q2 is connected with one end of a resistor R6 and one end of a resistor R7, the other end of the resistor R7 is connected with the pin 27 of the singlechip U4, and the pin 1 of the socket CN4, the other end of the capacitor C3, the emitter electrode of the triode Q2 and the other end of the resistor R6 are grounded; the test module comprises a JTAG socket CN12, and pins 2 to 7 of the JTAG socket CN12 are connected with pins 50, 46, 49, 55, 7 and 56 of the singlechip U4.
2. The full-automatic water dispenser control circuit according to claim 1, wherein the motor is connected with a socket CN2, a pin 2 of the socket CN2 is connected with a socket CN1, a pin 1 of the socket CN2 is connected with one end of a resistor R14, the other end of the resistor R14 is connected with one end of a capacitor C2 and a pin 6 of a solid state relay U2, the other end of the capacitor C2 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a pin 1 of the socket CN1 and a pin 8 of the solid state relay U2, a pin 2 of the solid state relay U2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the pin 3.3VDC, and the pins 1, 3 and 4 of the solid state relay U2 are connected with a pin 57 of the single chip microcomputer U4.
3. The full-automatic water dispenser control circuit according to claim 1, wherein the display screen module comprises a socket CN9, a socket CN10 and a socket CN11 for plugging a TFT display screen, wherein the pins 1 and 2 of the socket CN10 are connected to the 3.3VDC, one end of a capacitor C4, one end of a capacitor C5, the pin 2 of the socket CN11 is connected to one end of a capacitor C6 and the 3.3VDC, the pins 3 and 4 of the socket CN10, the other end of the capacitor C4, the other end of the capacitor C5, the pin 1 of the socket CN11, the pin 3 of the socket CN11, the pin 4 of the socket CN11, the other end of the capacitor C6 are grounded, the pins 1 to 4, 14 to 22, and 24 to 26 of the socket CN9 are all connected to the pins 8 to 11, 24, 25, 37, 38, 61, 62, 29, 30, 33 to 36 of the socket CN9 are connected to a diode D7, the positive electrode R7, the capacitor C7, the other end of the socket CN9 is connected to the other end of the resistor C7, the other end of the socket CN9 is connected to the base electrode of the resistor R12, the resistor R13, the other end of the resistor R4 is connected to the resistor R12, the other end of the resistor R13 is connected to the base of the resistor R9, the resistor R13, the other end of the resistor is connected to the resistor R4, and the other end of the resistor is connected to the resistor R3, the resistor is connected to the base of the resistor is connected to the resistor R3, the resistor is connected to the resistor is 3.
4. The full-automatic water dispenser control circuit according to claim 1, wherein the MCU is further connected with an alarm circuit, the alarm circuit comprises a buzzer BZ1, one end of the buzzer BZ1 is connected with a collector electrode of a triode Q3 and one end of a resistor R57, an emitter electrode of the triode Q3 is grounded, a base electrode of the triode Q3 is connected with one end of a resistor R58, and the other end of the resistor R58 is connected with a 15 pin of the singlechip U4; the MCU unit is also connected with a key circuit, the key circuit comprises four keys SW1, keys SW2, keys SW3 and keys SW4 which are connected in parallel, one end of each key SW1 is connected with one end of a resistor R35, one end of a capacitor C18 and 2 feet of the single chip microcomputer U4, one end of each key SW2 is connected with one end of a resistor R36, one end of a capacitor C19 and 53 feet of the single chip microcomputer U4, one end of each key SW3 is connected with one end of a resistor R37, one end of a capacitor C20 and 52 feet of the single chip microcomputer U4, and one end of each key SW4 is connected with one end of a resistor R38, one end of a capacitor C21 and 51 feet of the single chip microcomputer U4.
5. The full-automatic water dispenser control circuit according to claim 1, wherein the crystal oscillator circuit comprises a crystal oscillator X1, one end of the crystal oscillator X1 is connected with a1 pin of a clock chip U8 and one end of a capacitor C25, the other end of the crystal oscillator X1 is connected with a capacitor C26 and a 2 pin of the clock chip U8, the other end of the capacitor C25 is connected with one end of a capacitor C34 and the 4 pin of the clock chip U8 after being connected with the other end of the capacitor C26 and grounded, the other end of the capacitor C34 is connected with a resistor R63 and the 8 pin of the clock chip U8, the 6 pin of the clock chip U8 is connected with one end of a resistor R62 and the 3 pin of the single chip U4, the 5 pin of the clock chip U8 is connected with one end of a resistor R61 and the 4 pin of the single chip U4, the three-phase clock is characterized in that the other ends of the resistor R61 and the resistor R62 are connected with 3.3VDC, the 3 pin of the clock chip U8 is connected with the positive pole of the super capacitor E6, one end of the resistor R54 and the 1 pin of the single chip U4, the other end of the resistor R54 is connected with the negative pole of the diode D6, the positive pole of the diode D6 is connected with the 3.3VDC, the 13 pin of the single chip U4 is connected with one end of the capacitor C31, the positive pole of the super capacitor E7 and one end of the inductor L3, the other end of the inductor L3 is connected with the 3.3VDC, the 60 pin of the single chip U4 is connected with one end of the resistor R55, one end of the 26 pin is connected with one end of the resistor R53 and one end of the 41 pin is connected with one end of the resistor R52, and the other end of the resistor R55, the other end of the capacitor C31, the negative pole of the super capacitor E7, the negative pole of the super capacitor E6, the other end of the resistor R52 and the other end of the resistor R53 are grounded.
6. The full-automatic water dispenser control circuit according to claim 3, wherein the MCU is further connected to a memory module, the memory module comprises a flash memory chip U5 and an EEPROM chip U6, a pin 22 of the single chip U4 is connected to a pin 8 of the flash memory chip U5, a pin 4 of the EEPROM chip U6 and a resistor R49, a pin 23 of the single chip U4 is connected to a pin 1 of the flash memory chip U5, a pin 3 of the EEPROM chip U6 and a resistor R48, a pin 21 of the single chip U4 is connected to a pin 2 of the flash memory chip U5, a pin 2 of the EEPROM chip U6, a pin 20 of the single chip U4 is connected to a pin 4 of the flash memory chip U5, a pin 1 of the EEPROM chip U6 and a resistor R46, a pin 3 of the flash memory chip U5 is connected to a pin 23 of the socket CN9, a pin 7 of the flash memory chip U5 is connected to a resistor R44, a capacitor C23, a pin 3.vdc 3, a pin 3 of the other end of the flash memory chip U5 is connected to a pin 3, a resistor R59 of the other end of the flash memory chip U4 is connected to a resistor R59, and a pin 3.59 of the other end of the flash memory chip is connected to a resistor 4 of the single chip C4.
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| CN105902170A (en) * | 2016-07-01 | 2016-08-31 | 杭州杰富睿科技有限公司 | Direct water dispenser |
| CN106315758A (en) * | 2016-08-18 | 2017-01-11 | 南京福碧源环境技术有限公司 | Regeneration control method of softening resin of water softener |
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