CN111789988A - Disinfection liftable and hidden intelligent clothes airing machine control circuit and control method thereof - Google Patents

Abstract

The invention discloses a disinfection liftable and hidden intelligent clothes airing machine control circuit and a control method thereof, wherein the control circuit comprises: the human body detection module is used for acquiring a human body detection signal in real time and transmitting the human body detection signal to the MCU controller; the disinfection electronic switch module controls the disinfection lamp to be turned on and off according to the received disinfection control signal of the controller; the steering engine module is used for driving the disinfection lamp door to be opened and closed by using the steering engine under the control of the controller; the motor electronic switch module drives the disinfection lamp to ascend and descend according to the received motor ascending or descending control signal of the controller; the MCU controller acquires human body detection signals in real time, judges whether the human body is close to the airing machine, and when detecting that the human body is close to the airing machine, closes the disinfection function, and control elevator motor drive disinfection lamp goes up supreme spacing to and control steering wheel drive disinfection lamp door and close, when not detecting that the human body is close to the airing machine, control disinfection lamp door is opened and drive disinfection lamp descends, opens the disinfection function.

Description

Disinfection liftable and hidden intelligent clothes airing machine control circuit and control method thereof

Technical Field

The invention relates to the technical field of intelligent clothes airing machines, in particular to a disinfection liftable and hidden intelligent clothes airing machine control circuit and a control method thereof.

Background

With the gradual popularization of the intelligent clothes airing machine in the current market with the disinfection function, the disinfection lamp is directly arranged on the panel of the clothes airing machine and is exposed in the air. As is well known, the common disinfection in the market at present is UV disinfection, which uses high intensity UV radiation to denature and inactivate the proteins of pathogens in viruses. Because the disinfection lamp is generally directly installed on the panel of the clothes airing machine and is exposed in the air, the ultraviolet rays of the disinfection lamp can easily irradiate a user, and after the human body is irradiated by the ultraviolet rays with high intensity, the protein can be denatured, so that the skin is foamed, red and swollen, eyes are damaged, and the like.

Therefore, it is necessary to provide a technical solution to solve the above problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a control circuit and a control method of an intelligent clothes airing machine capable of sterilizing, lifting and hiding, so that intelligent sterilization and disinfection can be realized, a disinfection lamp can be retracted and hidden, and the disinfection function can be automatically turned off after a human body is sensed.

In order to achieve the above and other objects, the present invention provides a disinfection liftable and hidden intelligent clothes airing machine control circuit, comprising:

the human body detection module is used for detecting whether a human body approaches the clothes airing machine in real time and outputting a human body detection signal to the MCU controller;

and the disinfection electronic switch module is connected with the disinfection lamp and used for receiving the disinfection control signal of the MCU controller and controlling the disinfection lamp to be turned on and off according to the disinfection control signal.

The steering engine module is used for driving the disinfection lamp door to be opened and closed by using the steering engine under the control of the MCU controller;

the motor electronic switch module is used for receiving a motor ascending control signal and a motor descending control signal of the MCU controller and controlling the lifting motor to drive the disinfection lamp to ascend and descend according to the received signals;

the MCU controller is used for acquiring a human body detection signal output by the human body detection module in real time, judging whether a human body approaches the clothes airing machine or not according to the human body detection signal, sending a disinfection control signal for turning off the disinfection lamp to the disinfection electronic switch module when the human body is detected to approach the clothes airing machine, so that the disinfection electronic switch module turns off a disinfection function, sending a corresponding control signal to the motor electronic switch module, controlling a lifting motor to drive the disinfection lamp to move upwards to a limit position, and sending a control instruction to the steering engine module to control a steering engine to drive the disinfection lamp door to be turned off; when the situation that a human body approaches the clothes airing machine is not detected, the steering engine module is controlled to drive the disinfecting lamp door to be opened, corresponding control signals are sent to control the motor electronic switch module to drive the disinfecting lamp to descend, and the disinfecting electronic switch module is controlled to start a disinfecting function;

and the power supply conversion module is used for providing power supply for other modules.

Preferably, the control circuit further comprises a limit detection module connected with the limit detection switch and used for detecting whether the clothes drying machine reaches an upper limit, the limit detection module outputs a limit detection signal Sub _ up to be transmitted to the MCU controller, so that the MCU controller judges whether the clothes drying machine is at the upper limit according to the limit detection signal Sub _ up before controlling the motor electronic switch module to drive the sterilizing lamp to descend or ascend, and determines whether to control the motor electronic switch module to drive the sterilizing lamp to descend or ascend according to the judgment result.

Preferably, when the MCU controller detects that a human body approaches the clothes airing machine, whether the current disinfection function is in an on state is further judged, if the current disinfection function is judged to be on, a closed disinfection control signal is sent to the disinfection electronic switch module to close the disinfection function, a motor ascending control signal is sent to the motor electronic switch module to control a lifting motor to be started and ascended to drive the disinfection lamp to ascend, and a control instruction is sent to the steering engine module to drive a steering engine to drive the disinfection lamp door to be closed; and if the disinfection function is not started, further judging whether the clothes airing machine is in an upper limit position.

Preferably, when the MCU controller does not detect that a person approaches the clothes drying machine, a limit detection signal is further acquired through the limit detection module, whether the clothes drying machine is currently at an upper limit is judged according to the limit detection signal, and when the judgment result is that the clothes drying machine is currently at the upper limit, a control instruction is sent to the steering engine module to control the steering engine to drive the sterilizing lamp door to be opened, and a motor descending control signal is sent to the motor electronic switch module to enable the lifting motor to be opened and descended to drive the sterilizing lamp to descend, and simultaneously an opened sterilizing control signal is sent to the sterilizing electronic switch module to start a sterilizing function; when the fact that the human body is close to the clothes airing machine is not detected, and the clothes airing machine is judged not to be located at the upper limit position currently, the steering engine, the lifting motor and the disinfection lamp are controlled to be kept unchanged in the initial state.

Preferably, the steering engine module controls the rotation angle by a base pulse given by the MCU controller.

Preferably, the power conversion module comprises a mains supply interface, an alternating current-direct current conversion circuit AC-DC, a direct current-direct current conversion circuit DC-DC and a direct current medium voltage, direct current low voltage output interface, the module comprises a second stage conversion, the first stage conversion converts alternating current mains supply into direct current medium voltage, the second stage conversion converts direct current medium voltage into direct current low voltage, the direct current medium voltage is supplied to the disinfection electronic switch module, the limit detection module, the motor electronic switch module and the direct current-direct current conversion circuit DC-DC for use; and the direct current low voltage is supplied to the MCU controller, the human body detection module and the steering engine module for use after being filtered.

Preferably, the disinfection electronic switch module comprises a disinfection electronic switch (REL1), a sixth current-limiting resistor (R6), a disinfection lamp socket (J3) and a triode (Q1), the disinfection lamp is connected to the disinfection lamp socket (J3), the 2 pins of the disinfection lamp are connected to the mains supply N, the 1 pin of the disinfection lamp is connected to the disinfection electronic switch (REL1), the disinfection electronic switch (REL1) is further connected to the power conversion module, the mains supply L and the collector of the triode (Q1), the emitter of the triode (Q1) is grounded, a resistor (R7) is connected between the base and the emitter for discharging, the base of the triode (Q1) is connected to the sixth current-limiting resistor (R6), and the other end of the sixth current-limiting resistor (R6) is connected to the disinfection control signal output by the MCU controller.

Preferably, the steering engine module comprises a sixth filter capacitor (C6), a fourth current limiting resistor (R4), a pull-up resistor (R5) and a steering engine interface (J5), the steering engine is connected through the steering engine interface (J5), the steering engine module has 3 interfaces, 1 pin is grounded, 3 pins are connected to the low direct current voltage of the power conversion module, 2 pins are connected to the low direct current voltage through the pull-up resistor (R5), the steering engine module is connected to a steering engine enable control signal output by the MCU controller through the fourth current limiting resistor (R4), and the steering engine module is grounded through the sixth filter capacitor (C6).

Preferably, the limit detection module comprises a limit switch socket (J6), an eighth current-limiting resistor (R8), a voltage regulator tube (ZD1), a discharge resistor (R9), a tenth current-limiting resistor (R10) and a seventh filter capacitor (C7), the limit switch socket (J6) is connected with a limit detection switch, one pin of the limit switch socket (J6) is connected to the dc medium voltage output by the power conversion module, the other pin is connected to the eighth current-limiting resistor (R8), the other end of the eighth current-limiting resistor (R8) is connected to the voltage regulator tube (ZD1), the discharge resistor (R9) and the tenth current-limiting resistor (R10), the voltage regulator tube (1) and the discharge resistor (R9) are connected between the other end of the eighth current-limiting resistor (R8) and the ground, and the voltage regulator tube (ZD1) is used for stabilizing the voltage output by the limit detection switch to be not more than the input voltage of the MCU controller, the other end of the tenth current limiting resistor (R10) outputs the limit detection signal, the tenth current limiting resistor (R10) is used for limiting the limit detection signal input into the MCU controller so as to protect the MCU controller, and the seventh filter capacitor (C7) is connected between the output limit detection signal and the ground and used for filtering interference on the limit detection signal.

In order to achieve the purpose, the invention also provides a control method of the intelligent clothes airing machine capable of disinfecting, lifting and hiding, which comprises the following steps:

step S1, acquiring a human body detection signal acquired by the human body detection module, and judging whether a human body approaches the clothes airing machine or not according to the acquired human body detection signal;

step S2, when a human body is detected to approach the clothes airing machine, whether the disinfection function is in an open state is judged, if the disinfection function is in the open state, a closed disinfection control signal is sent to the disinfection electronic switch module to close the disinfection function, a motor ascending control signal is sent to the motor electronic switch module to enable the lifting motor to be started and ascended to drive the disinfection lamp to ascend, and a control instruction is sent to the steering engine module to enable the steering engine to drive the disinfection lamp door to be closed;

and step S3, when no person is detected to approach the clothes airing machine, a limit detection signal is obtained through the limit detection module to judge whether the clothes airing machine is at an upper limit currently, when the judgment result is that the clothes airing machine is at the upper limit currently, a control instruction is sent to the steering engine module to enable the steering engine to drive the disinfection lamp door to be opened, a motor descending control signal is sent to the motor electronic switch module to enable the lifting motor to be opened and descended to drive the disinfection lamp to descend, and meanwhile, the opened disinfection control signal is sent to the disinfection electronic switch module to open the disinfection function.

Compared with the prior art, the intelligent clothes airing machine control circuit capable of sterilizing, lifting and hiding and the control method thereof can judge whether a human body approaches to the clothes airing machine or not by acquiring a human body detection signal output by a human body detection module in real time, send a sterilization control signal for turning off the sterilization lamp to the sterilization electronic switch module when the human body approaches to the clothes airing machine, enable the sterilization electronic switch module to turn off the sterilization function, send a motor ascending control signal to the motor electronic switch module, control a lifting motor to drive the sterilization lamp to ascend to the upper limit, send a control instruction to the steering engine module to control a steering engine to drive the sterilization lamp door to be closed, and control the steering engine module to drive the sterilization lamp door to be opened and control the motor electronic switch module to drive the sterilization lamp to descend when the human body does not approach to the clothes airing machine, and control disinfection electronic switch module opens the disinfection function, has realized can intelligent disinfection and sterilization also can shrink and hide the sterilamp, more can the response human after the mesh of self-closing disinfection function, also make the airing machine more integrated more pleasing to the eye when reducing the risk that the human body received ultraviolet irradiation.

Drawings

FIG. 1 is a schematic circuit structure diagram of a disinfection liftable and hidden intelligent clothes airing machine control circuit of the invention;

fig. 2 is a circuit structure diagram of the power conversion module 10 according to the embodiment of the invention;

FIG. 3 is a circuit diagram of MCU controller 20 according to an embodiment of the present invention;

FIG. 4 is a circuit diagram of the disinfecting electronic switch module 30 in an embodiment of the present invention;

FIG. 5 is a detailed circuit diagram of the human body detection module (sensor module A)40 according to an embodiment of the present invention;

FIG. 6 is a detailed circuit diagram of the steering engine module 50 according to an embodiment of the present invention;

FIG. 7 is a detailed circuit diagram of the limit detection module 60 according to an embodiment of the present invention;

FIG. 8 is a circuit detail diagram of the electronic motor switch module 70 in an embodiment of the present invention;

FIG. 9 is a flow chart of steps of a method for controlling the intelligent clothes airing machine capable of sterilizing, lifting and hiding according to the invention;

fig. 10 is a control flow chart of the intelligent clothes airing machine with the liftable and hidden disinfection function in the embodiment of the invention.

Detailed Description

Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the present disclosure by describing the embodiments of the present invention with specific embodiments thereof in conjunction with the accompanying drawings. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention.

Fig. 1 is a schematic circuit structure diagram of a disinfection liftable and hidden intelligent clothes airing machine control circuit. As shown in fig. 1, the present invention provides a disinfection liftable and hidden intelligent clothes airing machine control circuit, which comprises: the device comprises a power supply conversion module 10, an MCU (microprogrammed control Unit) controller 20, a disinfection electronic switch module 30, a human body detection module 40, a steering engine module 50, a limit detection module 60 and a motor electronic switch module 70.

The power conversion module 10 is composed of a mains supply interface, an alternating current-direct current conversion circuit AC-DC, a direct current-direct current conversion circuit DC-DC, and medium voltage +12V and low voltage VCC (+5V) output interfaces, and is used for converting alternating current mains supply into 2 groups of direct current, the module has two-stage conversion, the first-stage conversion converts alternating current mains supply into direct current medium voltage +12V, and the second-stage conversion converts direct current medium voltage +12V into direct current low voltage VCC (+ 5V). Specifically, the direct-current medium voltage +12V is supplied to the disinfection electronic switch module 30, the limit detection module 60, the motor electronic switch module 70 and the direct-current conversion circuit DC-DC; the direct current low voltage VCC (+5V) is filtered and then supplied to the MCU controller 20, the human body detection module 40 (sensor module A) and the steering engine module 50 for use; in an embodiment of the present invention, the disinfection electronic switch module 30 may also be powered by mains electricity.

The MCU controller 20 is used for controlling the working state of a system corresponding to loads (namely the sterilizing lamp electronic switch module 30, the human body detection module 40, the steering engine module 50, the limit detection module 60 and the motor electronic switch module 70). in the invention, the MCU controller 20 is used for acquiring signals acquired by the human body detection module in real time, judging whether a human body approaches the clothes drying machine according to the signals acquired by the human body detection module, generating corresponding control signals to the sterilizing electronic switch module 30, the steering engine module 50 and the motor electronic switch module 70 according to the judgment result, controlling the sterilizing electronic switch module 30 to close a sterilizing function when detecting that the human body approaches the clothes drying machine, controlling the motor electronic switch module 70 to drive the sterilizing lamp to go upwards, controlling the steering engine module 50 to return to drive the sterilizing lamp door to close, and controlling the steering engine module 50 to rotate by an angle to drive the sterilizing lamp door to open when not detecting that the human body approaches the clothes drying, the control motor electronic switch module 70 drives the disinfection lamp to descend and controls the disinfection electronic switch module 30 to start the disinfection function.

Specifically, when the MCU controller 20 detects that a human body approaches the clothes drying machine, it further determines whether the sterilization function is in an on state, if so, sends a closed sterilization control signal XIAODU to the sterilization electronic switch module 30 to close the sterilization function, and sends a motor ascending control signal PWM1 to the motor electronic switch module 70 to enable the lifting motor of the motor electronic switch module 70 to be started and ascended to drive the sterilization lamp to ascend, and sends a control instruction to the steering engine module 50 to enable the steering engine to drive the sterilization lamp door to be closed when ascending to the upper limit or the maximum stroke (preset) of the lifting motor, and if not, does not send any control signal; when the MCU controller 20 does not detect that someone approaches the clothes drying machine, it further obtains a limit detection signal through the limit detection module 60, determines whether the clothes drying machine is currently at the upper limit, and when the determination result is that the clothes drying machine is currently at the upper limit, sends a control instruction to the steering engine module 50 to make the steering engine drive the disinfection lamp door to open, and sends a motor descending control signal PWM2 to the motor electronic switch module 70 to make the lifting motor of the motor electronic switch module 70 open and descend to drive the disinfection lamp to descend to the lower limit or the maximum stroke (preset) of the lifting motor, and sends an open disinfection control signal XIAODU to the disinfection electronic switch module 30 to open the disinfection function; when the fact that the human body is close to the clothes airing machine and the fact that the clothes airing machine is not located at the upper limit currently is not detected, no control signal is sent to the steering engine module, the motor electronic switch module and the disinfection electronic switch module, and the steering engine, the lifting motor and the disinfection lamp are kept unchanged in the initial state. That is, in the present invention, the opening of the sterilizing function requires two conditions: the first is that the airing machine is in upper limit position, and the second is then that it is close to not detect the human body, and two condition lack one can not.

And the disinfection electronic switch module 30 is connected with the disinfection lamp and used for receiving the disinfection control signal XIAODU of the MCU controller 20 and controlling the disinfection lamp to be turned on or turned off according to the received disinfection control signal XIAODU.

The human body detection module 40 is composed of a human body induction sensor (in the figure, a sensor module a) and a capacitive filter, and is used for detecting whether a human body approaches the clothes drying machine in real time, and outputting a human body detection signal a to the MCU controller 20.

And the steering engine module 50 consists of a steering engine control circuit and a steering engine and is used for controlling the disinfection lamp door to rotate by a corresponding angle under the control of the MCU controller 20. Wherein the steering wheel is connected with the disinfection lamp door, and the steering wheel control circuit controls the steering wheel to drive the disinfection lamp door to rotate to open and close under the control of the MCU controller 20.

And a limit detection module 60, configured to detect whether the clothes drying machine reaches the highest position and transmit an output limit detection signal Sub _ up to the MCU controller 20. In the embodiment of the invention, the highest position refers to an upper limit position for the operation of the clothes airing machine. Specifically, for a general intelligent clothes airing machine, a limit detection switch is installed up and down on two sides of the machine body to detect the position of the clothes airing machine, and the limit detection module 60 is connected with the limit detection switch to detect whether the clothes airing machine reaches the highest position or not and outputs a limit detection signal to the MCU controller 20. In the invention, the position of the steel wire rope of the clothes drying machine is detected because the clothes drying machine can achieve the maximum disinfection effect when the clothes drying machine is limited at the upper position, and the closer the clothes is to the disinfection lamp, the better the disinfection effect is, so that the clothes drying machine needs to be lifted to the upper limit and then the disinfection lamp is turned on, and meanwhile, whether personnel are in the detection range of the human body detection module 40 to turn off the disinfection lamp needs to be judged in real time.

And the motor electronic switch module 70 is used for receiving the motor ascending control signal PWM1 and the motor descending control signal PWM2 of the MCU controller 30, driving the ascending and descending motor to control the ascending and descending of the disinfection lamp, and transmitting a current detection signal I _ TEST to the MCU controller 20. In the embodiment of the present invention, the upper/lower limit positions of the elevator motor or the maximum stroke of the elevator motor need to be preset, and after receiving the motor-up control signal PWM1 and the motor-down control signal PWM2 of the MCU controller 30, the elevator motor is driven to control the elevation and the lowering of the sterilamp to the upper/lower limit positions or the maximum stroke of the elevator. It should be noted that the lifting motor in the present invention refers to a motor connected to the sterilizing lamp to control the lifting of the sterilizing lamp, and has no relation with the lifting motor of the clothes drying machine itself, and the lifting control of the clothes drying machine itself is a mature technology in the prior art, and is not described herein again.

Specifically, one path of the mains supply is connected to the input end of an AC-DC conversion circuit AC-DC of the power conversion module 10, the output medium voltage +12V of the AC-DC conversion circuit AC-DC is connected to the power input positive end of the motor electronic switch module 70, the limit detection module 60, the control power supply voltage positive end of the disinfection electronic switch module 30 and the power input positive end of the DC-DC conversion circuit DC-DC, the output of the DC-DC conversion circuit DC-DC is connected to the power supply positive ends of the human body detection module 40, the steering engine module 50 and the MCU controller 20 through a low voltage VCC (+5V) after passing through a filter circuit, preferably, the other path of the mains supply is connected to the AC input end of the disinfection electronic switch module 30, the human body detection signal a output by the human body detection module 40 is connected to the first input end of the MCU controller 20, the limit detection signal Sub _ up output by the limit detection module 60 is connected to the second input end of the MCU controller 20, the first output of MCU controller 20, i.e. steering engine enable control signal DJA, is connected to the enable input of steering engine module 50, the second and third outputs of MCU controller 20, i.e. rise control signal, i.e. PWM1, and fall control signal, i.e. PWM2, are connected to the control input of motor electronic switch module 70, the current detection signal I _ TEST output by motor electronic switch module 70 is connected to the third input of MCU controller 20, and the fourth output of MCU controller 20, i.e. disinfection control signal XIAODU, is connected to the control input of disinfection electronic switch module 30.

Fig. 2 is a circuit diagram of the power conversion module 10 according to an embodiment of the invention. Specifically, the mains supply is input from a mains supply interface J1, a live line (mains supply L) and a zero line (mains supply N) are connected to an alternating current input end of an alternating current-direct current conversion circuit AC-DC, and convert the alternating current into a medium voltage +12V, which is supplied to a motor electronic switch module 70, a limit detection module 60, a disinfection electronic switch module 30 and a direct current-direct current conversion circuit DC-DC for use, the medium voltage +12V is converted into a low voltage direct current by a secondary conversion direct current-direct current conversion circuit DC-DC, and a low voltage VCC (+5V) is obtained after filtering and is supplied to the human body detection module 40, the steering engine module 50 and the MCU controller 20 for use.

Fig. 3 is a circuit connection diagram of the MCU controller 20 according to an embodiment of the present invention, specifically, the MCU controller 20 is composed of an MCU microprocessor and a filter circuit, the power supply conversion module 10 outputs a low voltage VCC (+5V), the pin 10 of the MCU controller is a power input port of the low voltage VCC (+5V), and an electrolytic capacitor EC3 and a patch capacitor C3 are connected to filter the low voltage VCC output by the secondary conversion and supply the filtered low voltage VCC to the MCU controller; a pin 1 (a first input end of the MCU controller 20) of the MCU controller is connected with a human body detection signal A output by a human body detection module 30 (a sensor module A), and receives a signal transmitted by the human body sensor A to judge whether a human body approaches, when the human body approaches, the pin 1 inputs a specific level (not limited to high and low), and when the human body leaves, the pin 1 is a specific other level (not limited to high and low), and whether the human body approaches is judged based on the specific level; a 2 pin (a first output of the MCU controller 20) of the MCU controller is connected with a steering engine enable control signal DJA, which is a signal control port of the steering engine, and the same voltage with different output time of the port is used for controlling the operation working angle of the steering engine so as to control the rotation amplitude of the door, when the pulse is set to be 0.5ms, the rotation angle of the steering engine is 0 degree, when the pulse is set to be 1ms, the rotation angle of the steering engine is 45 degrees, when the pulse is set to be 1.5ms, the rotation angle of the steering engine is 90 degrees, when the pulse is set to be 2ms, the rotation angle of the steering engine is 135 degrees, and when the pulse is set to be 2.5ms, the; a pin 3 of the MCU controller (a fourth output of the MCU controller 20) is connected with a disinfection lamp control port, namely a disinfection control signal XIAODU, when the pin 3 of the MCU controller outputs a high level, the disinfection function is opened, and when the pin 3 of the MCU controller outputs a low level, the disinfection function is closed; the 5 pins of the MCU controller are empty pins and are not connected with any input/output port; the 6 pins of the MCU controller are current detection ports of a lifting motor of the motor electronic switch module 70, and are used for detecting the current change of the lifting motor in the running process, when the current of the motor is greater than a reference set value in the running process, the lifting motor is stopped running, and the lifting motor is protected on the basis of the current change, so that the service life of the upgrading motor is prolonged; a pin 7 of the MCU controller (a second output of the MCU controller 20) is a rising control signal, namely a PWM1 access pin, and a Pulse Width Modulation (PWM) signal is output to control the rising operation of the lifting motor; the 8 pin of the MCU controller (the third output of the MCU controller 20) is a pin for accessing a descending control signal PWM2, and a pulse width modulation PWM signal is output to control the descending operation of the lifting motor; and the pin 9 of the MCU controller is a GND pin.

Fig. 4 is a circuit diagram of the disinfection electronic switch module 30 according to an embodiment of the present invention, and in particular, the disinfection electronic switch module 30 is composed of a relay (disinfection electronic switch) REL1, a resistor R6, a resistor R7, the disinfection lamp socket J3, triode Q1 and correspond the connecting wire to constitute, the 1 st foot of relay (disinfection electronic switch) REL1 connects commercial power L (live wire), 2 feet of relay REL1 connect 1 foot of disinfection lamp (disinfection lamp live wire input end), 2 feet of disinfection lamp connect commercial power N (zero line), 3 feet connect one-level converting circuit output middling pressure +12V, 4 feet of relay REL1 connect collector C of triode Q1, emitter E ground GND of triode Q1, it is used for discharging that resistor R7 connects between base B of triode Q1 and the emitter of triode Q1 in parallel, the base of triode Q1 connects current-limiting resistor R6, another termination disinfection control signal XIDU AOAODU of current-limiting resistor R6 promptly connects the 3 feet of MCU controller (the fourth output of MCU controller 20). When the pin 3 of the MCU controller 20 outputs high level, the transistor Q1 is turned on, the voltage of the pin 4 of the relay (disinfection electronic switch) REL1 is low level "0" (generally not more than 1.5V or 0.3VCC), at this time, the relay (disinfection electronic switch) REL1 is attracted, the disinfection lamp connected to the socket J7 is on, and the disinfection function can be turned on; when the pin 3 of the MCU controller outputs low level, the triode Q1 is cut off, the pin 4 of the relay (disinfection electronic switch) REL1 is high level '1', at the moment, the relay (disinfection electronic switch) REL1 is not attracted, the disinfection lamp connected to the socket J3 is not on, and the disinfection function is not opened.

Fig. 5 is a detailed circuit diagram of a human body detection module (sensor module a)40 according to an embodiment of the present invention, specifically, J4 is connected to a human body sensor a, a human body detection signal a output after a human body is detected to approach a clothes drying machine is filtered by a capacitor filter C1A and then transmitted to the MCU controller 20, an electrolytic capacitor EC1 and a capacitor C1 are connected to 1 pin and 3 pins of the human body sensor a to filter a power voltage (low voltage VCC) entering the human body sensor a (J4), R1 is a current limiting resistor, which is connected in series to 2 pins of the human body sensor a (J4) and 7 pins of the MCU controller 20 (human body detection signal a), R2 is a pull-up resistor, so that the human body detection module 40 is in a high level state when not operating, 3 pins of the human body sensor a are grounded, the sensor a may be any sensor capable of sensing a human body, which may be an infrared GND, a, Any sensor capable of sensing human body such as pyroelectric sensor, acoustic control sensor, and light sensor.

Fig. 6 is a circuit detail diagram of a steering engine module 50 in a specific embodiment of the present invention, specifically, the steering engine module 50 is composed of a filter capacitor C6, a current limiting resistor R4, a pull-up resistor R5, and a steering engine interface J5, the steering engine is connected to the steering engine interface J5, the steering engine has 3 interfaces, wherein a pin 1 is grounded GND, a pin 3 is connected to a low voltage VCC (+5V), a pin 2 is connected to the low voltage VCC (+5V) through a pull-up resistor R5, and is connected to a first output terminal of the MCU controller 20, i.e., a steering engine enable control signal DJA, and the capacitor C6 is a filter capacitor of the steering engine interface J5. In the invention, the steering engine is connected with the disinfection lamp door to control the disinfection lamp door to rotate to open and close, the steering engine is a steering engine capable of converting angles, and the rotation angles are different along with the voltage time output by the port DJA of the MCU controller.

Fig. 7 is a detailed circuit diagram of the limit detection module 60 in the embodiment of the present invention, and specifically, the limit switch socket J6 is connected to the limit detection switch, that is, the intelligent clothes drying machine of the present invention is provided with the limit detection switch, the first pin of the limit switch socket J6 is connected to the dc medium voltage +12V, the other pin is connected to the current limiting resistor R8, the voltage regulator ZD1 is used to stabilize the voltage output by the limit switch to be not greater than the input voltage VCC of the MCU controller 20, the resistor R9 is a discharge resistor, the current limiting resistor R10 is used to limit the limit detection signal Sub _ up input to the MCU controller 20 to protect the MCU controller 20, and the filter capacitor C7 is used to filter the interference on the limit detection signal Sub _ up. When the limit switch connected to the limit switch socket J6 is turned on, the limit detection signal Sub _ up outputs a corresponding signal to the MCU controller 20, and the MCU controller 20 records the corresponding signal and performs corresponding evaluation processing on the turning on and off of other loads; similarly, when the limit switch connected to the limit switch socket J6 is turned off, the limit detection signal Sub _ up outputs a corresponding signal to the MCU controller 20, and the MCU controller 20 records the corresponding signal and performs corresponding determination processing on the turning on and off of other loads.

Fig. 8 is a detailed circuit diagram of the electronic motor switch module 70 according to an embodiment of the present invention, specifically, the driving chip U2 is a driving circuit of the electronic motor switch module 70, a pin 1 of the driving chip U2 is grounded GND, a pin 2 of the driving chip U2 is connected to a pin 8 (a third output of the MCU controller 20) of the MCU controller 29 and a pin 3 of the driving chip U2 is connected to a pin 7 of the MCU controller 20) of the MCU controller, the rising control signal PWM 6323, a pin 4 of the U2 and a pin 6 of the MCU controller (a third input end of the MCU controller 20) are connected to the pin I _ TEST, a pin 5 of the U2 is an input power supply, a medium voltage +12V is filtered by a capacitor C2 and a C5 and then input to the driving chip U2, a pin 6 of the U2 is connected to a negative electrode of the lifting motor M, a pin 8 of the U2 is connected to a positive electrode of the lifting motor, and a pin 7 of the U2 is connected to a pull-down resistor 46r 84 and GND. The operation and stop of the elevator motor M are controlled by the levels of the 2-pin (falling control signal PWM2) and 3-pin (rising control signal PWM1) of U2. In the invention, the lifting motor M is connected with the disinfection lamp 4 so as to drive the disinfection lamp to lift through the lifting of the lifting motor M.

Fig. 9 is a flow chart of steps of the control method of the intelligent clothes airing machine capable of disinfecting, lifting and hiding. As shown in fig. 9, the method for controlling the intelligent clothes airing machine capable of being disinfected, lifted and hidden comprises the following steps:

and step S1, acquiring signals acquired by the human body detection module, and judging whether a human body approaches the clothes airing machine or not according to the acquired signals.

Specifically, the human body detection module collects human body detection signals by using the human body induction sensor, and transmits the collected human body detection signals to the MCU controller, and the MCU controller determines whether a human body approaches the clothes drying machine according to the received human body detection signals.

And step S2, when a human body is detected to be close to the clothes airing machine, judging whether the disinfection function is in an opening state, if the disinfection function is opened, sending a control signal to the disinfection electronic switch module to close the disinfection function, sending a motor ascending control signal PWM1 to the motor electronic switch module to enable the lifting motor to be started and ascended to drive the disinfection lamp to ascend to the upper limit position or the maximum stroke of the lifting motor, and sending a control instruction to the steering engine module to enable the steering engine to drive the disinfection lamp door to be closed.

Step S3, when no person is detected to approach the clothes airing machine, a limit detection signal is obtained through the limit detection module 60, whether the clothes airing machine is at the upper limit is judged, if the judgment result is that the clothes airing machine is at the upper limit, a control instruction is sent to the steering engine module to enable the steering engine to drive the disinfection lamp door to be opened, a motor descending control signal PWM2 is sent to the motor electronic switch module to enable the lifting motor to be opened and descended to drive the disinfection lamp to descend to the lower limit position or the maximum stroke of the lifting motor, and meanwhile, a disinfection control signal XIAODU is sent to the disinfection electronic switch module to start the disinfection function; when the fact that the human body is close to the clothes airing machine and the fact that the clothes airing machine is not located at the upper limit currently is not detected, no control signal is sent to the steering engine module, the motor electronic switch module and the disinfection electronic switch module, and the steering engine, the lifting motor and the disinfection lamp are kept unchanged in the initial state.

In the specific embodiment of the invention, the MCU controller controls the steering engine to rotate by a corresponding angle by outputting the base pulse. The first output of the MCU controller outputs a steering engine enable control signal DJA to a signal control port of the steering engine, the signal control port outputs the same voltage with different time to control the operation working angle of the steering engine so as to control the rotation amplitude of the door, that is, the steering engine works mainly in relation to the high level duration time given by the MCU controller, generally divided by 0.5ms (millisecond), if the duration time is 0.5ms, 1ms, 1.5ms, 2ms, 2.5ms, the steering engine can rotate different angles, in the specific embodiment of the invention, the control of the steering engine needs a time base pulse of about 20ms, the high level part of the pulse is an angle control pulse part in the range of 0.5ms to 2.5ms, for example, 180-degree angle servo is taken as an example, when the pulse is set to be 0.5ms, when the pulse is set to be 1ms, the rotation angle of the steering engine is 45 degrees, when the pulse is set to be 1.5ms, the rotation angle of the steering engine is 90 degrees, when the pulse is set to be 2ms, the rotation angle of the steering engine is 135 degrees, and when the pulse is set to be 2.5ms, the rotation angle of the steering engine is 180 degrees.

Examples

As shown in fig. 10, in this embodiment, the MCU controller determines whether a human body approaches according to a signal acquired by the sensor module a of the human body detection module, determines whether the disinfection function is not on again if a human body approaches, turns off the disinfection function if the human body approaches, controls the motor electronic switch module to turn on the lifting motor to lift up to drive the disinfection lamp to go upward, controls the steering engine module to return to drive the disinfection lamp door to be closed, and does not need to generate any control signal if the current disinfection function is not on; if not detect the human body and be close to, then further judge whether the airing machine is in last spacing, if, then control steering wheel module makes the steering wheel rotate and drives the disinfection lamp door and open, control motor electronic switch module makes elevator motor open and descends to drive the disinfection lamp and go down and control disinfection electronic switch module and open the disinfection function, when not detecting the human body and be close to but the airing machine also not be in last spacing, the MCU controller then controls the steering wheel, elevator motor, the disinfection lamp all keeps initial state unchangeable, that is to say, two conditions are required in opening of disinfection function: the first is that the airing machine is in upper limit position, and the second is then that it is close to not detect the human body, and two condition lack one can not.

In conclusion, the intelligent clothes airing machine control circuit capable of sterilizing, lifting and hiding and the control method thereof can judge whether a human body approaches to the clothes airing machine or not by acquiring a human body detection signal output by a human body detection module in real time, send a sterilization control signal for turning off the sterilization lamp to the sterilization electronic switch module when the human body approaches to the clothes airing machine, so that the sterilization electronic switch module turns off the sterilization function, send a motor ascending control signal to the motor electronic switch module, control a lifting motor to drive the sterilization lamp to ascend to the upper limit, send a control instruction to the steering engine module to control the steering engine to drive the sterilization lamp door to close, and control the steering engine module to drive the sterilization lamp door to open and control the motor electronic switch module to drive the sterilization lamp to descend when the human body does not approach to the clothes airing machine, and control disinfection electronic switch module opens the disinfection function, has realized can intelligent disinfection and sterilization also can shrink and hide the sterilamp, more can the response human after the mesh of self-closing disinfection function, also make the airing machine more integrated more pleasing to the eye when reducing the risk that the human body received ultraviolet irradiation.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the scope of the invention should be determined from the following claims.

Claims (10)

1. The utility model provides a disinfection liftable intelligent airing machine control circuit who hides, includes:

the human body detection module is used for detecting whether a human body approaches the clothes airing machine in real time and outputting a human body detection signal to the MCU controller;

and the disinfection electronic switch module is connected with the disinfection lamp and used for receiving the disinfection control signal of the MCU controller and controlling the disinfection lamp to be turned on and off according to the disinfection control signal.

The steering engine module is used for driving the disinfection lamp door to be opened and closed by using the steering engine under the control of the MCU controller;

the motor electronic switch module is used for controlling the lifting motor to drive the disinfection lamp to ascend and descend according to the received signals when receiving the motor ascending control signal and the motor descending control signal of the MCU controller;

the MCU controller is used for acquiring a human body detection signal output by the human body detection module in real time, judging whether a human body approaches the clothes airing machine or not according to the human body detection signal, sending a disinfection control signal for turning off the disinfection lamp to the disinfection electronic switch module when the human body is detected to approach the clothes airing machine, so that the disinfection electronic switch module turns off a disinfection function, sending a corresponding control signal to the motor electronic switch module, controlling a lifting motor to drive the disinfection lamp to move upwards to a limit position, and sending a control instruction to the steering engine module to control a steering engine to drive the disinfection lamp door to be turned off; when the situation that a human body approaches the clothes airing machine is not detected, the steering engine module is controlled to drive the disinfecting lamp door to be opened, corresponding control signals are sent to control the motor electronic switch module to drive the disinfecting lamp to descend, and the disinfecting electronic switch module is controlled to start a disinfecting function;

and the power supply conversion module is used for providing power supply for other modules.

2. The intelligent clothes airing machine control circuit capable of sterilizing, lifting and hiding as claimed in claim 1, wherein the control circuit further comprises a limit detection module connected to a limit detection switch for detecting whether the clothes airing machine reaches an upper limit, the limit detection module outputting a limit detection signal Sub _ up to be transmitted to the MCU controller, so that the MCU controller judges whether the clothes airing machine is at the upper limit according to the limit detection signal Sub _ up before controlling the motor electronic switch module to drive the sterilizing lamp to descend or ascend, and determines whether to control the motor electronic switch module to drive the sterilizing lamp to descend or ascend according to the judgment result.

3. The intelligent clothes airing machine control circuit capable of disinfecting, lifting and hiding according to claim 2, is characterized in that: when the MCU controller detects that a human body approaches the clothes airing machine, whether the current disinfection function is in an on state is further judged, if the current disinfection function is judged to be on, a closed disinfection control signal is sent to the disinfection electronic switch module to close the disinfection function, a motor ascending control signal is sent to the motor electronic switch module to control a lifting motor to be started and ascended to drive the disinfection lamp to ascend, and a control instruction is sent to the steering engine module to drive a steering engine to drive a disinfection lamp door to be closed; and if the disinfection function is not started, further judging whether the clothes airing machine is in an upper limit position.

4. The intelligent clothes airing machine control circuit capable of disinfecting, lifting and hiding according to claim 3, is characterized in that: when the MCU controller does not detect that a person approaches the clothes airing machine, a limit detection signal is further acquired through the limit detection module, whether the clothes airing machine is at an upper limit or not is judged according to the limit detection signal, and when the judgment result shows that the clothes airing machine is at the upper limit, a control instruction is sent to the steering engine module to control the steering engine to drive the disinfection lamp door to be opened, a motor descending control signal is sent to the motor electronic switch module to enable the lifting motor to be opened and descended to drive the disinfection lamp to descend, and meanwhile, an opened disinfection control signal is sent to the disinfection electronic switch module to start a disinfection function; when the fact that the human body is close to the clothes airing machine is not detected, and the clothes airing machine is judged not to be located at the upper limit position currently, the steering engine, the lifting motor and the disinfection lamp are controlled to be kept unchanged in the initial state.

5. The intelligent clothes airing machine control circuit capable of disinfecting, lifting and hiding according to claim 4, is characterized in that: and the steering engine module controls the rotation angle by the base pulse given by the MCU controller.

6. The intelligent clothes airing machine control circuit capable of disinfecting, lifting and hiding according to claim 2, is characterized in that: the power supply conversion module comprises a mains supply interface, an alternating current-direct current conversion circuit and a direct current-direct current conversion circuit, the power supply conversion module comprises two-stage conversion, the first-stage conversion converts alternating current mains supply into direct current medium voltage, the second-stage conversion converts the direct current medium voltage into direct current low voltage, and the direct current medium voltage is supplied to the disinfection electronic switch module, the limit detection module, the motor electronic switch module and the direct current-direct current conversion circuit; and the direct current low voltage is supplied to the MCU controller, the human body detection module and the steering engine module for use after being filtered.

7. The intelligent clothes airing machine control circuit capable of disinfecting, lifting and hiding according to claim 2, is characterized in that: the disinfection electronic switch module comprises a disinfection electronic switch (REL1), a sixth current-limiting resistor (R6), a disinfection lamp socket (J3) and a triode (Q1), wherein the disinfection lamp is connected to the disinfection lamp socket (J3), a 2 pin of the disinfection lamp is connected with a mains supply N, a 1 pin of the disinfection lamp is connected with the disinfection electronic switch (REL1), the disinfection electronic switch (REL1) is further connected with the power supply conversion module, the mains supply L and a collector of the triode (Q1), an emitter of the triode (Q1) is grounded, a resistor (R7) is connected between the base and the emitter to discharge, the base of the triode (Q1) is connected with the sixth current-limiting resistor (R6), and the other end of the sixth current-limiting resistor (R6) is connected with the disinfection control signal output by the MCU controller.

8. The intelligent clothes airing machine control circuit capable of disinfecting, lifting and hiding according to claim 7, is characterized in that: the steering wheel module includes sixth filter capacitor (C6), fourth current limiting resistor (R4), pull-up resistance (R5) and steering wheel interface (J5), and the steering wheel passes through steering wheel interface (J5) inserts, and it has 3 interfaces, and 1 foot ground connection, 3 foot connect the direct current low pressure of power conversion module, 2 feet by pull-up resistance (R5) connect to the direct current low pressure, through fourth current limiting resistor (R4) is connected to the steering wheel messenger that the MCU controller output enables the control signal, and pass through sixth filter capacitor (C6) ground connection.

9. The intelligent clothes airing machine control circuit capable of disinfecting, lifting and hiding according to claim 8, is characterized in that: the limit detection module comprises a limit switch socket (J6), an eighth current-limiting resistor (R8), a voltage regulator tube (ZD1), a discharge resistor (R9), a tenth current-limiting resistor (R10) and a seventh filter capacitor (C7), the limit switch socket (J6) is connected with a limit detection switch, one pin of the limit switch socket (J6) is connected with the direct current medium voltage output by the power conversion module, the other pin of the limit switch socket is connected with the eighth current-limiting resistor (R8), the other end of the eighth current-limiting resistor (R8) is connected with the voltage regulator tube (ZD1), the discharge resistor (R9) and the tenth current-limiting resistor (R10), the voltage regulator tube (ZD1) and the discharge resistor (R9) are connected between the other end of the eighth current-limiting resistor (R8) and the ground, and the voltage regulator tube (ZD1) is used for stabilizing the voltage output by the limit detection switch as the input voltage not greater than the MCU controller, the other end of the tenth current limiting resistor (R10) outputs the limit detection signal, the tenth current limiting resistor (R10) is used for limiting the limit detection signal input into the MCU controller so as to protect the MCU controller, and the seventh filter capacitor (C7) is connected between the output limit detection signal and the ground and used for filtering interference on the limit detection signal.

10. A control method of a disinfection liftable and hidden intelligent clothes airing machine comprises the following steps:

step S1, acquiring a human body detection signal acquired by the human body detection module, and judging whether a human body approaches the clothes airing machine or not according to the acquired human body detection signal;

step S2, when a human body is detected to approach the clothes airing machine, whether the disinfection function is in an open state is judged, if the disinfection function is in the open state, a closed disinfection control signal is sent to the disinfection electronic switch module to close the disinfection function, a motor ascending control signal is sent to the motor electronic switch module to enable the lifting motor to be started and ascended to drive the disinfection lamp to ascend, and a control instruction is sent to the steering engine module to enable the steering engine to drive the disinfection lamp door to be closed;

and step S3, when no person is detected to approach the clothes airing machine, a limit detection signal is obtained through the limit detection module to judge whether the clothes airing machine is at an upper limit currently, when the judgment result is that the clothes airing machine is at the upper limit currently, a control instruction is sent to the steering engine module to enable the steering engine to drive the disinfection lamp door to be opened, a motor descending control signal is sent to the motor electronic switch module to enable the lifting motor to be opened and descended to drive the disinfection lamp to descend, and meanwhile, the opened disinfection control signal is sent to the disinfection electronic switch module to open the disinfection function.

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