CN114115104A - Induction type self-adaptation water yield adjusting device - Google Patents

Induction type self-adaptation water yield adjusting device Download PDF

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Publication number
CN114115104A
CN114115104A CN202111385300.2A CN202111385300A CN114115104A CN 114115104 A CN114115104 A CN 114115104A CN 202111385300 A CN202111385300 A CN 202111385300A CN 114115104 A CN114115104 A CN 114115104A
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CN
China
Prior art keywords
water
stepping motor
single chip
chip microcomputer
microcontroller
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Pending
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CN202111385300.2A
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Chinese (zh)
Inventor
杨春
张芬
赵月姣
李蚩行
陈美锋
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Xian Aeronautical Polytechnic Institute
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Xian Aeronautical Polytechnic Institute
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Priority to CN202111385300.2A priority Critical patent/CN114115104A/en
Publication of CN114115104A publication Critical patent/CN114115104A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • 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
    • H02P8/00Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/14Arrangements for controlling speed or speed and torque

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Stepping Motors (AREA)

Abstract

The invention discloses an induction type self-adaptive water quantity adjusting device, which comprises: one end of the water delivery pipe is provided with a water inlet connected with a water source, and the other end of the water delivery pipe is provided with a water outlet; the water quantity regulating valve is arranged at the section of the water delivery pipe close to the water outlet; the stepping motor is arranged outside the water delivery pipe, and an output shaft of the stepping motor is mechanically connected with the water quantity regulating valve through a motor coupling; the stepping motor driver is arranged on the outer side of the water delivery pipe and is connected with the stepping motor through a lead; the microcontroller is arranged on the outer side of the water conveying pipe and is connected with the stepping motor driver through a lead; the laser range finder is arranged on the outer side of the water outlet and is connected with the microcontroller through a lead; the power supply is arranged on the outer side of the water conveying pipe and is respectively connected with the stepping motor, the stepping motor driver, the microcontroller and the laser range finder.

Description

Induction type self-adaptation water yield adjusting device
Technical Field
The invention belongs to the technical field of water supply equipment control, and particularly relates to an induction type self-adaptive water quantity adjusting device.
Background
The induction type water tap has the advantage of non-contact, is widely applied at present, is installed in public washrooms, large-scale shopping malls and the like, can play a certain role in epidemic prevention, avoids cross contact and cross infection,
in the prior art, an induction type faucet belongs to binary control, only has two states of opening and closing, and cannot automatically and dynamically adjust and adjust the water yield according to the actual water demand of a gargle, so that on one hand, the great waste of water resources is caused; on the other hand, the water splash can be splashed when the user washes the face and rinses the mouth, so that the experience of washing the face and rinsing the mouth is not good. Therefore, the invention designs an induction type self-adaptive water quantity adjusting device.
Disclosure of Invention
In view of the above problems, the present invention provides an induction type adaptive water flow regulating device, which can dynamically regulate the water flow of a faucet according to the distance between a hand and the faucet when a person washes one's face and rinses one's mouth, increase the water flow when the hand is close to the water outlet of the device, decrease the water flow when the water is far away from the water outlet of the device, and regulate the water flow according to the actual needs of the person who washes one's mouth, thereby saving water resources better and bringing better experience of the induction type washing device to people.
The technical scheme of the invention is as follows: an inductive adaptive water regulation device comprising:
one end of the water delivery pipe is provided with a water inlet connected with a water source, and the other end of the water delivery pipe is provided with a water outlet;
the water quantity regulating valve is arranged at the section of the water conveying pipe close to the water outlet;
the stepping motor is arranged outside the water delivery pipe, and an output shaft of the stepping motor is mechanically connected with the water quantity regulating valve through a motor coupling;
the stepping motor driver is arranged on the outer side of the water conveying pipe and is connected with the stepping motor through a lead;
the microcontroller is arranged on the outer side of the water conveying pipe and is connected with the stepping motor driver through a lead;
the laser range finder is arranged on the outer side of the water outlet and used for detecting the distance from the water outlet to the hand of the gargle, and the laser range finder is connected with the microcontroller through a lead;
and the power supply is arranged on the outer side of the water conveying pipe and is respectively connected with the stepping motor, the stepping motor driver, the microcontroller and the laser range finder.
Further, the microcontroller selects an STM32F103C8T6 singlechip, the power supply reduces the input 5v voltage to 3v through an ME6211 voltage stabilizing chip, and the power supply 3.3v and GND are respectively connected to the power supply end 3.3v and GND of the STM32F103C8T6 singlechip after being filtered by a capacitor filter circuit, so that stable working voltage is provided for the STM32F103C8T6 singlechip.
Further, the STM32F103C8T6 singlechip is connected with a crystal oscillator circuit and used for providing clock signals required by work for the singlechip, an external clock of the STM32F103C8T6 singlechip has an external low-speed clock and an external high-speed clock, the OSCIN and the OSCOUT of the external high-speed clock 8M crystal oscillator clock circuit are respectively connected with pins 5 and 6 of the STM32F103C8T6 singlechip, and two ends of the external low-speed clock 32.768K clock circuit are respectively connected with terminals 3 and 4 of the STM32F103C8T6 singlechip.
Further, the STM32F103C8T6 singlechip is connected with a reset circuit for resetting the singlechip by pressing a switch button SW-PB, and an NRET terminal of the reset circuit is connected with a pin 7 of the STM32F103C8T6 singlechip.
Further, the STM32F103C8T6 singlechip is connected with a download port for realizing SWD mode download of the singlechip program, and DIO and CLK pins of the download port are respectively connected with terminals 34 and 37 of the STM32F103C8T 6.
Furthermore, the circuit module carried by the laser range finder is VL53LIX, VIN and GND in the VL53LIX module are respectively connected with a positive pin of a 3.3V power supply and the ground, SCL, SDA, GPIO1 and XSHUT ends in the VL53LIX module are respectively connected with pins 42, 43, 45 and 46 connected with an STM32F103C8T6 single chip microcomputer, and the VL53LIX module transmits acquired distance signal data to the single chip microcomputer through an IIC communication protocol.
Further, the STM32F103C8T6 single chip microcomputer is connected to a stepping motor control signal terminal P6, and PA2, PA3, PA4 and PA5 of the STM32F103C8T6 single chip microcomputer are respectively connected to IN1, IN2, IN3 and IN4 of the stepping motor control signal terminal P6, so that the control signal of the single chip microcomputer is input to the signal control terminal P2 of the stepping motor driving unit to control the operation of the stepping motor.
Further, the driving unit of the stepping motor is composed of a stepping motor driving chip L298N and a peripheral circuit thereof, wherein a control signal terminal P2 is connected with the stepping motor control signal terminal P6 in a one-to-one correspondence manner and used for receiving a control signal from a single chip microcomputer, a P5 terminal is connected with the stepping motor, a P4 terminal is connected with 5V voltage to provide working voltage for the L298N chip, and a P1 terminal is connected with a 12V direct current power supply to provide working voltage for the operation of the stepping motor.
The working method of the invention comprises the following steps: if a gargle is washing, firstly detecting the distance between the hand of the gargle and a water outlet through a laser range finder near the water outlet of the water pipe, then transmitting a detected distance signal to a microcontroller, outputting a corresponding pulse number signal and a forward and reverse signal according to the detection distance by a main control unit of the microcontroller and a control strategy set by software, and transmitting the pulse signal and the forward and reverse signal to a stepping motor driver so as to control a stepping motor to generate corresponding rotation, and simultaneously driving a rotating mechanism of a water quantity regulating valve to rotate by the stepping motor so as to control the opening of the water quantity regulating valve to regulate the water quantity; when the hand of the person of washing one's face and rinsing one's mouth is far away from the device delivery port, reduce water yield regulating valve aperture through microcontroller control step motor for the water yield reduces, when the hand of the person of washing one's face and rinsing one's mouth is near apart from the delivery port, through microcontroller control step motor increase water yield regulating valve aperture, makes the water yield increase, just so can realize according to the demand dynamic adjustment water yield of the person of washing one's face and rinsing one's mouth, when playing the water conservation effect, can also increase the experience of washing one's face and rinsing one's mouth and feel.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can dynamically adjust the water yield of the water tap according to the distance between the hand and the water tap when people wash, when the hand is close to the water outlet of the device, the water yield is increased, when the water is far from the water outlet of the device, the water yield is reduced, and the water yield is adjusted according to the actual requirement of a gargle, thereby better saving water resources.
2. The condition that splash is easy to generate in the washing process and washing experience is influenced when the water outlet quantity of the water faucet in the prior art is constant and large can be reduced, and the induction type washing device can bring better use experience to people.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a block diagram of the control system of the present invention;
FIG. 3 is a circuit diagram of a microcontroller according to the present invention;
FIG. 4 is a power supply circuit diagram of the present invention;
FIG. 5 is a filter capacitor circuit diagram of the present invention;
FIG. 6 is a circuit diagram of a crystal oscillator circuit of the present invention;
FIG. 7 is a reset circuit diagram of the present invention;
FIG. 8 is a circuit diagram of the download port of the present invention;
FIG. 9 is a circuit diagram of a laser rangefinder of the present invention;
FIG. 10 is a circuit diagram of the stepper motor signal control terminal P6 of the present invention;
fig. 11 is a circuit diagram of a driving unit of the stepping motor of the present invention.
Wherein, the device comprises 1-water pipe, 11-water inlet, 12-water outlet, 2-water quantity regulating valve, 3-stepping motor, 4-motor coupling, 5-stepping motor driver, 6-microcontroller, 7-laser range finder and 8-power supply.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Example (b): as shown in fig. 1, an induction type adaptive water quantity adjusting device includes:
one end of the water delivery pipe 1 is provided with a water inlet 11 connected with a water source, and the other end is provided with a water outlet 12;
the water quantity regulating valve 2 is arranged at the section of the water delivery pipe 1 close to the water outlet 12;
the stepping motor 3 is arranged outside the water delivery pipe 1, and an output shaft of the stepping motor 3 is mechanically connected with the water quantity regulating valve 2 through a motor coupling 4;
the stepping motor driver 5 is arranged on the outer side of the water conveying pipe 1, and the stepping motor driver 5 is connected with the stepping motor 5 through a lead;
the microcontroller 6 is arranged on the outer side of the water conveying pipe 1, and the microcontroller 6 is connected with the stepping motor driver 5 through a lead;
the laser range finder 7 is arranged on the outer side of the water outlet 12 and used for detecting the distance from the water outlet 12 to the hand of the gargle, and the laser range finder 7 is connected with the microcontroller 6 through a lead;
and the power supply 8 is arranged on the outer side of the water conveying pipe 1, and the power supply 8 is respectively connected with the stepping motor 3, the stepping motor driver 5, the microcontroller 6 and the laser range finder 7.
As shown in fig. 3, the microcontroller 6 selects an STM32F103C8T6 single chip microcomputer, as shown in fig. 4, the power supply 8 reduces the input 5v voltage to 3v through an ME6211 voltage stabilizing chip, and after filtering through a capacitance filter circuit, the power supply 3.3v and GND are respectively connected to the power supply end 3.3v and GND of the STM32F103C8T6 single chip microcomputer, so as to provide stable working voltage for the STM32F103C8T6 single chip microcomputer, as shown in fig. 5;
the STM32F103C8T6 singlechip is connected with a crystal oscillator circuit and used for providing clock signals required by the work of the singlechip, an external clock of the STM32F103C8T6 singlechip comprises an external low-speed clock and an external high-speed clock, as shown in FIG. 6, the OSCIN and OSCOUT of the external high-speed clock 8M crystal oscillator clock circuit are respectively connected with 5 and 6 pins of the STM32F103C8T6 singlechip, and two ends of the external low-speed clock 32.768K clock circuit are respectively connected with 3 and 4 terminals of the STM32F103C8T6 singlechip;
the STM32F103C8T6 singlechip is connected with a reset circuit for resetting the singlechip by pressing a switch button SW-PB, and as shown in FIG. 7, an NRET terminal of the reset circuit is connected with a pin 7 of the STM32F103C8T6 singlechip;
the STM32F103C8T6 singlechip is connected with a download port for realizing SWD mode download of the singlechip program, as shown in fig. 8, DIO and CLK pins of the download port are connected with terminals 34 and 37 of the STM32F103C8T6, respectively;
the circuit module carried by the laser range finder 7 is VL53LIX, as shown in fig. 9, VIN and GND in the VL53LIX module are respectively connected with the positive pin of a 3.3V power supply and the ground, SCL, SDA, GPIO1 and XSHUT ends in the VL53LIX module are respectively connected with pins 42, 43, 45 and 46 connected with an STM32F103C8T6 single chip microcomputer, and the VL53LIX module transmits acquired distance signal data to the single chip microcomputer through an IIC communication protocol;
the STM32F103C8T6 single chip microcomputer is connected with a stepping motor control signal terminal P6, as shown IN fig. 10, PA2, PA3, PA4 and PA5 of the STM32F103C8T6 single chip microcomputer are respectively connected with IN1, IN2, IN3 and IN4 of the stepping motor control signal terminal P6, so that the control signal of the single chip microcomputer is input to the signal control terminal P2 of the driving unit of the stepping motor 3 to control the operation of the stepping motor;
as shown in fig. 11, the driving unit of the stepping motor 3 is composed of a stepping motor driving chip L298N and its peripheral circuits, wherein a control signal terminal P2 is connected with a stepping motor control signal terminal P6 in a one-to-one correspondence for receiving a control signal from a single chip microcomputer, a terminal P5 is connected with the stepping motor, a terminal P4 is connected with a voltage of 5V for providing a working voltage for the chip L298N, and a terminal P1 is connected with a dc power supply of 12V for providing a working voltage for the operation of the stepping motor 3.
The working method of the above embodiment is as follows: if a gargle washes the face, as shown in fig. 2, firstly, the distance between the hand of the gargle and the water outlet 12 is detected by the laser range finder 7 near the water outlet 12 of the water pipe 1, then the detected distance signal is transmitted to the microcontroller 6, the main control unit of the microcontroller 6 outputs a corresponding pulse number signal and a forward and reverse rotation signal according to the distance of the detection distance and the control strategy set by software, and the pulse signal and the forward and reverse rotation signal are transmitted to the stepping motor driver, so that the stepping motor 3 is controlled to rotate correspondingly, and meanwhile, the stepping motor 3 drives the rotating mechanism of the water quantity regulating valve 2 to rotate so as to control the opening of the water quantity regulating valve 2 to regulate the water outlet quantity; when the hand of the person of washing one's face and rinsing one's mouth is far away from the device delivery port, control step motor 3 through microcontroller 6 and reduce 2 apertures of water regulating valve for the water yield reduces, when the hand of the person of washing one's face and rinsing one's mouth is near apart from the delivery port, control step motor 3 through microcontroller 6 and increase 2 apertures of water regulating valve, make the water yield increase, just so can realize adjusting the water yield according to the demand developments of the person of washing one's face and rinsing one's mouth, when playing the water conservation effect, can also increase the experience sense of washing one's face and rinsing one's mouth.
The specific type of the electronic element is not specially designated, and common products sold in the market can be selected as long as the use requirements of the electronic element can be met.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims (8)

1. An inductive adaptive water volume regulating device, comprising:
one end of the water delivery pipe (1) is provided with a water inlet (11) connected with a water source, and the other end is provided with a water outlet (12);
the water quantity regulating valve (2) is arranged at the section, close to the water outlet (12), of the water conveying pipe (1);
the stepping motor (3) is arranged on the outer side of the water delivery pipe (1), and an output shaft of the stepping motor (3) is mechanically connected with the water quantity regulating valve (2) through a motor coupling (4);
the stepping motor driver (5) is arranged on the outer side of the water conveying pipe (1), and the stepping motor driver (5) is connected with the stepping motor (5) through a lead;
the microcontroller (6) is arranged on the outer side of the water conveying pipe (1), and the microcontroller (6) is connected with the stepping motor driver (5) through a lead;
the laser range finder (7) is arranged on the outer side of the water outlet (12) and used for detecting the distance from the water outlet (12) to the hand of the gargle, and the laser range finder (7) is connected with the microcontroller (6) through a lead;
and the power supply (8) is arranged on the outer side of the water conveying pipe (1), and the power supply (8) is respectively connected with the stepping motor (3), the stepping motor driver (5), the microcontroller (6) and the laser range finder (7).
2. The induction type self-adaptive water quantity regulating device as claimed in claim 1, wherein the microcontroller (6) selects an STM32F103C8T6 single chip microcomputer, the power supply (8) reduces the input 5v voltage to 3v through an ME6211 voltage stabilizing chip, and the power supply 3.3v and GND are respectively connected to the power supply terminal 3.3v and GND of the STM32F103C8T6 single chip microcomputer after being filtered by a capacitor filter circuit, so as to provide stable working voltage for the STM32F103C8T6 single chip microcomputer.
3. An induction type self-adaptive water quantity regulating device as claimed in claim 2, wherein the STM32F103C8T6 single chip microcomputer is connected with a crystal oscillator circuit for providing clock signals required by the single chip microcomputer for working, an external clock of the STM32F103C8T6 single chip microcomputer has an external low-speed clock and an external high-speed clock, wherein OSCIN and OSCOUT of the external high-speed clock 8M crystal oscillator clock circuit are respectively connected with 5 and 6 pins of the STM32F103C8T6 single chip microcomputer, and two ends of the external low-speed clock 32.768K clock circuit are respectively connected with 3 and 4 terminals of the STM32F103C8T6 single chip microcomputer.
4. An induction type self-adaptive water quantity regulating device as claimed in claim 2, wherein the STM32F103C8T6 single chip microcomputer is connected with a reset circuit for resetting the single chip microcomputer by pressing a switch button SW-PB, and an NRET terminal of the reset circuit is connected with a pin 7 of the STM32F103C8T6 single chip microcomputer.
5. The induction type self-adaptive water quantity adjusting device as claimed in claim 2, wherein the STM32F103C8T6 singlechip is connected with a download port for realizing SWD mode download of the singlechip program, and the DIO and CLK pins of the download port are respectively connected with the terminals 34 and 37 of the STM32F103C8T 6.
6. The induction type self-adaptive water quantity adjusting device as claimed in claim 2, wherein a circuit module carried by the laser range finder (7) is VL53LIX, VIN and GND in the VL53LIX module are respectively connected with a positive pin of a 3.3V power supply and the ground, SCL, SDA, GPIO1 and XSHUT ends in the VL53LIX module are respectively connected with pins 42, 43, 45 and 46 connected with an STM32F103C8T6 singlechip, and the VL53LIX module transmits acquired distance signal data to the singlechip through an IIC communication protocol.
7. The induction type adaptive water quantity regulating device as claimed IN claim 2, wherein the STM32F103C8T6 single chip microcomputer is connected with a stepping motor control signal terminal P6, and PA2, PA3, PA4 and PA5 of the STM32F103C8T6 single chip microcomputer are respectively connected with IN1, IN2, IN3 and IN4 of a stepping motor control signal terminal P6, so that the control signal of the single chip microcomputer is input to the signal control terminal P2 of the driving unit of the stepping motor (3) to control the operation of the stepping motor.
8. The induction type adaptive water flow regulator as claimed in claim 7, wherein the driving unit of the stepper motor (3) is composed of a stepper motor driving chip L298N and its peripheral circuits, wherein, the control signal terminal P2 is connected with the stepper motor control signal terminal P6 in a one-to-one correspondence for receiving the control signal from the single chip, the P5 terminal is connected with the stepper motor, the P4 terminal is connected with 5V voltage for providing the working voltage for the L298N chip, and the P1 terminal is connected with 12V DC power supply for providing the working voltage for the operation of the stepper motor (3).
CN202111385300.2A 2021-11-22 2021-11-22 Induction type self-adaptation water yield adjusting device Pending CN114115104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111385300.2A CN114115104A (en) 2021-11-22 2021-11-22 Induction type self-adaptation water yield adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111385300.2A CN114115104A (en) 2021-11-22 2021-11-22 Induction type self-adaptation water yield adjusting device

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CN114115104A true CN114115104A (en) 2022-03-01

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CN202111385300.2A Pending CN114115104A (en) 2021-11-22 2021-11-22 Induction type self-adaptation water yield adjusting device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115756132A (en) * 2022-10-09 2023-03-07 深圳市晶存科技有限公司 Method and system for automatic startup and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115756132A (en) * 2022-10-09 2023-03-07 深圳市晶存科技有限公司 Method and system for automatic startup and storage medium

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