Drying control circuit and clothes airing equipment

Abstract

The embodiment of the utility model discloses a drying control circuit and clothes airing equipment. According to the technical scheme provided by the embodiment of the invention, the moisture detection module is used for detecting the moisture of the clothes and sending the moisture information of the clothes to the main control module, and the material detection module is used for detecting the material of the clothes and sending the material information of the clothes to the main control module; the main control module can control the heating adjusting module and the air speed adjusting module according to the clothes moisture information and the clothes material information, the rotating speed of the draught fan is controlled through the air speed adjusting module, the heating module is controlled through the heating adjusting module, flexible control over the air outlet speed and the air outlet temperature is achieved, and the clothes drying effect is improved.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of smart homes, and in particular to a drying control circuit and a clothes drying device. Background Art

[0002] With the advancement of technology and the improvement of people's material consumption level, the application of smart home devices has become more and more extensive, and many people have begun to use smart electric clothes drying machines to dry clothes.

[0003] Clothes drying equipment is generally equipped with a variety of intelligent functions, such as pole lifting, lighting, disinfection, air drying, and drying. Currently, the drying function of clothes drying equipment is generally based on a preset drying time, fixed temperature and wind speed, and the drying effect of clothes is poor. Utility Model Content

[0004] The embodiments of the present application provide a drying control circuit and a clothes drying device to solve the technical problem in the related art that clothes drying is performed at a fixed temperature and wind speed, resulting in poor clothes drying effect, and can effectively improve the clothes drying effect.

[0005] In a first aspect, an embodiment of the present application provides a drying control circuit, comprising a main control module, a material detection module, a moisture detection module, a heating module, and a fan; the heating module is disposed in an air outlet channel of the fan;

[0006] The material detection module is connected to the main control module and is used to detect clothing material information and send the detected clothing material information to the main control module;

[0007] The moisture detection module is connected to the main control module, and is used to detect moisture information of clothes and send the detected moisture information of clothes to the main control module;

[0008] The main control module is connected to the fan through the wind speed adjustment module, and is used to adjust the fan speed according to the acquired clothing moisture information, or to adjust the fan speed according to the acquired clothing material information and clothing moisture information;

[0009] The main control module is connected to the heating module through the heating adjustment module, and is used to adjust the working power of the heating module according to the acquired clothing material information and clothing moisture information, so as to adjust the temperature of the air outlet of the fan.

[0010] In the embodiment of the present application, the moisture detection module detects the moisture content of the clothes and sends the moisture information of the clothes to the main control module, and the material detection module detects the material of the clothes and sends the material information of the clothes to the main control module. The main control module can control the heating adjustment module and the wind speed adjustment module according to the moisture information and material information of the clothes, control the speed of the fan through the wind speed adjustment module, and control the heating module through the heating adjustment module, thereby realizing flexible control of the air outlet speed and air outlet temperature, and improving the drying effect of the clothes.

[0011] Furthermore, the heating regulation module includes a thyristor and a photoelectric coupler, wherein:

[0012] The first connection end and the second connection end of the thyristor are connected to the power supply circuit of the heating module;

[0013] The input side of the photoelectric coupler is connected to the main control module, and the output side of the photoelectric coupler is connected to the control end of the thyristor.

[0014] Furthermore, the wind speed regulation module includes a first controller and a drive circuit. The first controller is connected to the main control module and the control end of the drive circuit. The output end of the drive circuit is connected to the fan. The first controller is used to control the speed of the fan through the drive circuit.

[0015] Furthermore, the wind speed regulation module also includes a current sampling module, the collection end of the current sampling module is connected to the drive circuit, and the output end of the current sampling module is connected to the first controller. The current sampling module is used to collect the working current of the fan and send it to the first controller. The first controller is used to control the operation of the drive circuit according to the working current of the fan.

[0016] Furthermore, the moisture detection module includes a moisture sensor and a second controller, the output end of the moisture sensor is connected to the second controller, the second controller is connected to the main control module, and the second controller is used to detect the moisture of clothes through the moisture sensor and send the moisture information of clothes to the main control module.

[0017] Furthermore, the main control module is connected to a first wireless communication module, and the moisture sensor also includes a second wireless communication module, which is connected to the second controller and is used to establish a wireless connection with the first wireless communication module.

[0018] Furthermore, a plurality of moisture detection modules are provided.

[0019] Furthermore, the moisture detection module is connected to the main control module via a wireless connection.

[0020] In a second aspect, an embodiment of the present application provides a clothes drying device, comprising a main unit, a clothes drying rod assembly, and a drying control circuit as described in any one of the first aspects;

[0021] The drying rod assembly is arranged below the main machine through a lifting mechanism and can perform lifting motion relative to the main machine.

[0022] Furthermore, the material detection module is arranged on the host, and the moisture detection module is arranged on the drying rod assembly.

[0023] The clothes drying device provided in the embodiment of the present application can detect the moisture content of clothes through the moisture detection module in the drying control circuit and send the moisture information of clothes to the main control module, and detect the material of clothes through the material detection module and send the material information of clothes to the main control module. The main control module can control the heating adjustment module and the wind speed adjustment module according to the moisture information and material information of clothes, control the speed of the fan through the wind speed adjustment module, and control the heating module through the heating adjustment module, so as to realize flexible control of the outlet wind speed and the outlet air temperature, and improve the drying effect of clothes. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a principle block diagram of a drying control circuit provided in an embodiment of the present application;

[0025] Figure 2 This is a principle block diagram of another drying control circuit provided in an embodiment of the present application;

[0026] Figure 3 This is a circuit diagram of a wind speed regulation module;

[0027] Figure 4 This is a circuit connection diagram of a heating regulation module provided in an embodiment of the present application;

[0028] Figure 5 It is a structural schematic diagram of a clothes drying device provided in an embodiment of the present application.

[0029] Figure numerals: 110, heating module; 120, fan; 130, material detection module; 140, heating adjustment module; 141, thyristor; 142, photoelectric coupler; 150, wind speed adjustment module; 151, first controller; 152, drive circuit; 153, current sampling module; 154, power conversion module; 155, anti-reverse connection module; 160, main control module; 170, moisture detection module; 171, moisture sensor; 172, second controller; 173, second wireless communication module; 180, first wireless communication module; 210, host; 220, clothes drying rod; 230, clothes drying rack; 240, air outlet. DETAILED DESCRIPTION

[0030] To make the objectives, technical solutions, and advantages of this application more apparent, specific embodiments of this application are described in further detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are intended only to illustrate this application and are not intended to limit this application. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to this application, not all of the content.

[0031] In the description of the embodiments of this application, unless otherwise expressly specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and can refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0032] Figure 1 A schematic diagram of a drying control circuit according to an embodiment of the present invention is given. Figure 1 The drying control circuit includes a heating module 110, a fan 120, a material detection module 130, a moisture detection module 170, and a main control module 160. Optionally, the drying control circuit provided in this solution also includes a power supply module for powering the various components in the drying control circuit. The power supply module can power the various components via an external power supply (e.g., a 220V mains power supply) or a power supply that converts the voltage of the external power supply (e.g., a 15V, 5V, or 3.3V power supply obtained through voltage conversion). The fan 120 provided in this solution can be a DC variable frequency fan.

[0033] Furthermore, the material detection module 130 provided in this solution is connected to the main control module 160, and the material detection module 130 can be used to detect clothing material information and send the detected clothing material information to the main control module 160. The clothing material information can be used to indicate the material of the clothing, and the material of the clothing can be cotton, silk, wool, polyester, leather, etc.

[0034] Optionally, the material detection module 130 provided in this solution can detect clothing materials based on image recognition. For example, the material detection module 130 may include an image acquisition module (e.g., an RGB camera, an infrared camera, or other camera module) and a material detection processor. The image acquisition module may capture clothing images and send them to the material detection processor. The material detection processor may be configured with a trained clothing material recognition model. The material detection processor may use the clothing material recognition model to perform image recognition processing on the clothing images, identify one or more clothing materials corresponding to one or more clothing items in the clothing images, generate clothing material information based on the identified clothing materials, and send the information to the main control module 160.

[0035] Optionally, the material detection module 130 provided in this solution may also detect clothing materials based on ultrasonic material detection. For example, the material detection module 130 may include an ultrasonic module and a material detection processor. The ultrasonic module may emit ultrasonic waves of a set frequency band and receive reflected ultrasonic waves, and send ultrasonic reception information to the material detection processor. The material detection processor may be configured with a trained clothing material recognition model based on ultrasonic information detection. The material detection processor may use the clothing material recognition model to analyze and process the emitted ultrasonic information and the received ultrasonic reception information, identify one or more clothing materials corresponding to one or more clothing items in the clothing image, generate clothing material information based on the identified clothing materials, and send the information to the main control module 160.

[0036] Furthermore, the main control module 160 provided in this solution is connected to a moisture detection module 170. The moisture detection circuit can be used to detect moisture information of clothing and transmit the detected moisture information to the main control module 160. The moisture information of clothing can be used to indicate the humidity of the clothing. Optionally, the moisture detection module 170 can be placed in a location for hanging clothes to dry. The moisture detection module 170 can detect the moisture content of the clothes while the clothes are being hung out to dry.

[0037] The main control module 160 provided in this solution is also connected to the fan 120 via the wind speed adjustment module 150. The main control module 160 can be used to adjust the speed of the fan 120 through the wind speed adjustment module 150 based on the acquired moisture information of the clothes. Optionally, the main control module 160 can also adjust the speed of the fan 120 through the wind speed adjustment module 150 based on the acquired moisture information and clothing material information.

[0038] The main control module 160 provided in this solution is connected to the heating module 110 via the heating adjustment module 140. Optionally, the main control module 160 can be used to adjust the working power of the heating module 110 according to the obtained clothing material information and clothing moisture information to adjust the temperature of the air output by the fan 120.

[0039] The heating adjustment module 140 provided in this solution is configured with a control end, a first connection end, and a second connection end. The on / off of the first connection end and the second connection end can be controlled by the control end. In one embodiment, the control end of the heating adjustment module 140 is connected to the main control module 160, and the first connection end and the second connection end of the heating adjustment module 140 are connected to the power supply circuit of the heating module 110. The on / off of the first connection end and the second connection end can be controlled by the control end of the heating adjustment module 140, thereby controlling the on / off of the power supply circuit of the heating module 110 and adjusting the working power of the heating module 110. For example, the first connection end of the heating adjustment module 140 is connected to a heating power source (for example, a 220V power source or a power source obtained by voltage conversion according to the power supply requirements of the heating module 110), the second connection end of the heating adjustment module 140 is connected to the power input end of the heating module 110, and the wind speed adjustment module 150 is connected to the main control module 160 and the fan 120. The heating module 110 provided in this solution can be a heat-sensitive material, such as a thermistor, a PCT heater (Positive Temperature Coefficient), etc.

[0040] For example, the main control module 160 may be pre-configured with fan speeds corresponding to different clothing humidity levels, or fan speeds corresponding to different combinations of clothing humidity levels and clothing materials, as well as air outlet temperatures corresponding to different combinations of clothing humidity levels and clothing materials. Different fan speeds correspond to different control parameters of the wind speed adjustment module 150 (e.g., corresponding to PWM signals with different duty cycles as control information), and different air outlet temperatures correspond to different operating powers of the heating module 110 (e.g., through pulse signals with different pulse widths as control information). The main control module 160 may determine the required fan speed based on the combination of clothing humidity levels and clothing materials corresponding to the clothing moisture information and clothing material information, and based on the clothing humidity, or determine the required fan speed based on the combination of clothing humidity levels and clothing materials, and determine the required air outlet temperature based on the combination of clothing humidity levels and clothing materials. The main control module 160 may determine the control parameters for the wind speed adjustment module 150 and the heating adjustment module 140 based on the required fan speed and air outlet temperature, and blow air of a suitable temperature onto the clothing to dry the clothing.

[0041] For example, if the clothing material information indicates that the clothing material is cotton and the clothing moisture information indicates that the clothing moisture content reaches 90%, the main control module 160 can control the maximum speed of the fan 120 to 1600 RPM and the power of the heating module to be controlled within 900W, so as to blow air at a temperature of less than 60 degrees Celsius to the clothing for drying. At the same time, every time the moisture content of the clothing decreases by 10%, the power of the heating module is controlled to decrease by 50W until the moisture content of the clothing drops to 10% or below. The wind speed of the fan 120 is then adjusted to 800 RPM, and the power of the heating module 110 is controlled to be 100W. Optionally, the maximum temperature of the air blown to the clothes can be set according to the material of the clothes, and the air outlet temperature can be controlled by controlling the power of the heating module. For example, the maximum temperature of cotton clothes is 60 degrees Celsius, the maximum temperature of silk clothes is 45 degrees Celsius, and the maximum temperature of wool clothes is 70 degrees Celsius. The combination of the temperature and wind speed of the air blown to the clothes can also be set according to the moisture content of the clothes. For example, when the moisture content is higher than 90%, the power of the heating module can be set to the maximum power, and the wind speed of the fan 120 can be set to the maximum wind speed. For every 10% decrease in the moisture content, the maximum power of the heating module is reduced by 100W, and for every 20% decrease in the moisture content, the wind speed of the fan 120 is reduced by 200RPM.

[0042] In one embodiment, the moisture detection module 170 provided by this solution can be connected to the main control module 160 through a wired and / or wireless connection. Figure 2 As shown in the principle block diagram of another drying control circuit provided, when the moisture detection module 170 is wirelessly connected to the main control module 160, a first wireless communication module 180 can be connected to the main control module 160, and a second wireless communication module 173 can be set on the moisture detection module 170. The moisture detection module 170 can establish a wireless connection with the first wireless communication through the second wireless communication module 173, and realize wireless communication connection with the main control module 160. This solution connects the moisture detection module 170 and the main control module 160 by a wireless connection mode, so that the installation of the moisture detection module 170 is more flexible, and the moisture detection module 170 can be flexibly installed according to the position of the clothes drying, thereby improving the flexibility and accuracy of the clothes moisture detection. On the other hand, the wireless communication module (including the first and second wireless communication modules 173) provided by this solution can be a Bluetooth module, an infrared module, a ZigBee module, a WiFi module, etc.

[0043] In one possible embodiment, the moisture detection module 170 provided by this solution can be set to multiple, and the multiple moisture detection modules 170 are wirelessly connected to the main control module 160 respectively, and each moisture detection module 170 is independent of each other. Optionally, the moisture detection modules 170 can be respectively set at different clothing drying positions, or multiple moisture detection modules 170 can be installed at the same clothing drying position. For example, if clothes can be dried on a clothes drying rack, the moisture detection module 170 can be installed on the clothes drying rack, or multiple moisture detection modules 170 can be installed on one clothes drying rack. The moisture detection module 170 can perform clothing moisture detection on the clothes on the clothes drying rack. When multiple clothes are dried on multiple clothes drying racks, the moisture detection modules 170 on each clothes drying rack respectively perform clothing moisture detection on the clothes on the corresponding clothes drying rack and send corresponding clothing moisture information to the main control module 160.

[0044] In one embodiment, a second wireless communication module 173 may be provided in each moisture detection module 170. Each moisture detection module 170 may establish a wireless communication connection with the first wireless communication module 180 on the main control module 160 via the second wireless communication module 173. Each moisture detection module 170 may perform clothing moisture detection and send corresponding clothing moisture information to the main control module 160. After receiving clothing moisture information sent by multiple moisture detection modules 170, the main control module 160 may use the highest clothing moisture information as the final clothing moisture information or the average clothing moisture information as the final clothing moisture information. By providing multiple moisture detection modules 170, this solution can perform clothing moisture detection at multiple clothing drying locations, thereby increasing the flexibility of clothing moisture detection.

[0045] In one possible embodiment, the moisture detection module 170 provided by this solution includes a moisture sensor 171 and a second controller 172. The output end of the moisture sensor 171 is connected to the second controller 172, and the second controller 172 is connected to the main control module 160. The second controller 172 can be used to detect the moisture of clothes through the moisture sensor 171, and generate corresponding clothing moisture information based on the detection results of the moisture sensor 171 (for example, the moisture sensor 171 outputs different voltage values at different humidity) and send the clothing moisture information to the main control module 160.

[0046] In one embodiment, the main control module 160 provided by this solution is connected to a first wireless communication module 180, and the moisture sensor 171 also includes a second wireless communication module 173. The second wireless communication module 173 is connected to the second controller 172. The second wireless communication module 173 can be used to wirelessly connect to the first wireless communication module 180. The second controller 172 can communicate with the first wireless communication module 180 on the main control module 160 through the second wireless communication module 173, and send clothing moisture information to the main control module 160, accurately transmit the corresponding clothing moisture information to the active module, and ensure the drying effect of the clothes.

[0047] Optionally, the moisture detection module 170 provided in this solution may also include a battery module (e.g., a button cell, a rechargeable battery, etc.), which powers the various electronic components of the moisture detection module 170. Optionally, the installation position of the moisture sensor 171 can be set to be after the clothes are hung out to dry in a corresponding drying position (e.g., a clothes drying rack), so that the moisture sensor 171 is close to or in contact with the clothes, so that the moisture sensor 171 can more accurately detect the moisture content of the clothes. This solution uses the moisture sensor 171 through the second controller 172 to detect the moisture content of the clothes, and sends the moisture information of the clothes to the main control module 160, accurately detecting the humidity of the clothes, improving the accuracy of the clothes drying, and improving the clothes drying effect.

[0048] In one possible embodiment, Figure 3 As shown in the circuit diagram of a wind speed regulating module 150 provided, the wind speed regulating module 150 provided by this solution includes a first controller 151 (for example, a processor module built based on the processor chip FU6562T) and a driving circuit 152. Among them, the peripheral circuits of the first controller 151 and the driving circuit 152 can be referred to Figure 3 , the corresponding peripheral circuits can be set as needed, and this solution will not be described in detail.

[0049] The first controller 151 is connected to the main control module 160 and the control end of the drive circuit 152, and the output end of the drive circuit 152 is connected to the fan 120. The first controller 151 can be used to control the speed of the fan 120 through the drive circuit 152. For example, the main control module 160 can send a required fan speed to the first controller 151, and the first controller 151 sends a corresponding control signal (such as a PWM signal corresponding to the duty cycle) to the drive circuit 152 based on the required fan speed, so as to drive the fan 120 through the drive circuit 152.

[0050] Optionally, the fan 120 provided in this solution can be a three-phase motor, and correspondingly, the drive circuit 152 can be a three-phase six-arm full-bridge drive circuit 152, wherein the first controller 151 is respectively connected to the gates of the MOS transistors corresponding to the upper bridge arm (the three endpoints HOU, HOV, and HOW in the figure) and the lower bridge arm (the three endpoints LOU, LOV, and LOW in the figure) of the drive circuit 152, and the output end of the drive circuit 152 is connected to the power input end of the fan 120 (the three endpoints U, V, and W in the drive circuit 152 are connected to the three power input ends of the fan 120). The first controller 151 can control the alternating conduction of each MOS transistor in the upper bridge arm and the lower bridge arm of the drive circuit 152 by sending a PWM control signal to the drive circuit 152, thereby controlling the speed of the fan 120. Optionally, the drive circuit 152 can be connected to the power supply of the fan 120 (for example, a 310V power supply), which supplies power to the fan 120 through the conductive MOS transistors in the upper bridge arm and the lower bridge arm. In this solution, the first controller 151 sends a control signal to the driving circuit 152, and the driving circuit 152 drives the fan 120, thereby achieving flexible control of the fan 120 and ensuring the drying effect of the clothes.

[0051] In one embodiment, the wind speed regulation module 150 provided by this solution further includes a current sampling module 153. The current sampling module 153 has a current sampling terminal connected to the drive circuit 152 (for example, the current sampling module 153 has a current sampling terminal connected to the DC bus of the drive current. In the figure, the current sampling module 153 has a current sampling terminal (JSHUNT terminal) connected to the common connection terminal of the MOS transistor of the lower bridge of the drive circuit 152, where the common connection terminal of the MOS transistor of the lower bridge of the drive circuit 152 is also grounded via a resistor). The output terminal of the current sampling module 153 is connected to the first controller 151. The current sampling module 153 provided by this solution can be used to collect the operating current of the fan 120 (for example, the bus current when the fan 120 is operating) and transmit it to the first controller 151. The first controller 151 is used to control the operation of the drive circuit 152 based on the operating current of the fan 120 to maintain a constant speed of the fan 120.

[0052] Optionally, the current sampling module 153 provided in this solution can be a current operational amplifier module (AMP0 in the figure). The non-inverting input terminal of the current sampling module 153 is connected to the common connection terminal of the MOS transistor of the lower bridge of the drive circuit 152 via resistor R63, and is also connected to the positive input terminal (pin 15) of AMP0 of the first controller 151. The inverting input terminal of the current sampling module 153 is grounded via resistor R59 and is connected to the negative input terminal (pin 14) of AMP0 of the first controller 151. The output terminal of the current sampling module 153 is connected to the port (pin 16) preset by the first controller 151 for bus average current collection. This solution collects the operating current of the fan 120 through the current sampling module 153. The first controller 151 can control the operation of the drive circuit 152 based on the operating current of the fan 120 to maintain a constant speed of the fan 120, ensuring that the clothes are dried at a stable wind speed and improving the drying effect.

[0053] In one embodiment, the wind speed regulation module 150 provided by this solution also includes a power conversion module 154, which is used to perform voltage conversion on an external power supply and provide suitable power for each electrical device in the wind speed regulation module 150. For example, the power conversion module 154 may include a first power conversion chip (U2 in the figure, such as a PN8054 chip) and a second power conversion chip (U4 in the figure, such as a 78L05 chip). The peripheral circuits of the first power conversion chip and the second power conversion chip can be referred to the accompanying drawings, and this solution will not be repeated. Among them, the input end of the first power conversion chip can be used to connect to an external power supply of a first voltage (such as a 310V power supply) and convert the first voltage into a second voltage (such as a 15V voltage). The input end of the second power conversion chip is connected to the output end of the first power conversion chip, and is used to convert the second voltage provided by the first power conversion chip into a third voltage (such as 5V and / or 3.3V).

[0054] In one embodiment, the wind speed regulation module 150 provided by this solution further includes an anti-reverse connection module 155, the input end of the anti-reverse connection module 155 is connected to the output end of the first power conversion chip (connected to a 15V power supply), the output end of the anti-reverse connection module 155 is connected to the upper bootstrap power port of the first controller 151, and is connected to the upper bootstrap ground reference pin of the first controller 151 through a capacitor. For example, the anti-reverse connection module 155 may include three diodes (D16, D17, and D18 in the figure) corresponding to the three wind turbines 120, the anodes of the diodes are all connected to the output end of the first power conversion chip, the cathodes of each diode are respectively connected to the upper bootstrap power port of the corresponding phase in the first controller 151 (VBW, VBV, and VBU terminals in the first controller 151), and are respectively connected to the upper bootstrap ground reference pins (W, V, and U terminals in the figure) of the corresponding phase in the first controller 151 through capacitors (capacitors C35, C29, and C24 in the figure). In this solution, the first controller 151 is protected against reverse current by the anti-reverse connection module 155 , thereby ensuring the normal operation of the first controller 151 and the normal drying of clothes.

[0055] In one possible embodiment, Figure 4 The circuit connection diagram of a heating regulating module 140 provided in this solution is shown. The heating regulating module 140 provided in this solution includes a thyristor 141 and a photocoupler 142 (for example, a coupler of model EL3083). The model of the thyristor 141 can be BTA316X-800CT. The peripheral circuits of the thyristor 141 and the photocoupler 142 can be referred to. Figure 4 , this solution will not be described in detail. The photocoupler 142 is configured with an input side and an output side. The input side emits light when a forward voltage is applied to the input side. The two ends of the output side (the first connection end and the second connection end) are normally disconnected. The output side can detect the light emission of the input side. When the input side is detected to be emitting light, the two ends of the output side are connected.

[0056] The thyristor 141 provided in this solution is configured with a control end, a first connection end, and a second connection end. The on / off of the first connection end and the second connection end of the thyristor 141 can be controlled by the control end of the thyristor 141. The first connection end and the second connection end of the thyristor 141 are connected to the power supply line of the heating module 110, and the input side of the photoelectric coupler 142 is connected to the main control module 160, and the output side of the photoelectric coupler 142 is connected to the control end of the thyristor 141. Among them, under different on / off states of the output side of the photoelectric coupler 142, the level state received by the control end of the thyristor 141 changes, thereby causing the on / off state of the first connection end and the second connection end of the thyristor 141 to change. The main control module 160 can send a control signal to the input side of the photoelectric coupler 142 to control the on / off of the output end of the photoelectric coupler 142, thereby controlling the on / off of the first connection end and the second connection end in the thyristor 141, thereby realizing power control of the heating module 110. For example, the main controller 160 adjusts the conduction angle of the thyristor 141 in each half-wave through the photocoupler 142 to control the voltage output from the power supply circuit to the heating module 110 , thereby achieving power regulation of the heating module 110 .

[0057] In one embodiment, the anode terminal on the input side of the photocoupler 142 provided by this solution is connected to the circuit power supply (VCC), the cathode terminal on the input side of the photocoupler 142 is connected to the main control module 160 (IO port of the main control module 160) via a resistor, the first connection terminal on the output side of the photocoupler 142 is connected to the control terminal (G terminal) of the heating regulation module 140, the first connection terminal (T1 terminal in the figure) of the heating regulation module 140 is connected to the heating power supply (ACN1 in the figure, corresponding to the live wire of 220V AC), and the second connection terminal on the output side of the photocoupler 142 is connected to the power input terminal of the heating module 110. The main control module 160 can send control information (such as a pulse signal) to the cathode terminal on the input side of the photocoupler 142, and control the light emission of the input side of the photocoupler 142 through the control information, thereby controlling the on-off condition of the output side of the photocoupler 142. In this solution, the single-chip microcomputer (main control module 160) controls the conduction angle of the heating regulation module by controlling the on-off of the output side of the optocoupler 142, thereby adjusting the voltage at the power input end of the heating module, so that the working power of the heating module 110 changes, thereby realizing the control of the air outlet temperature of the fan 120.

[0058] In one embodiment, the connection between the optocoupler and the main control module 160 can also be that the anode end of the input side of the optocoupler 142 is connected to the main control module 160 (optionally, a pull-up resistor can be connected to the anode end of the input side of the optocoupler 142), and the cathode end of the input side of the optocoupler 142 is grounded.

[0059] In one possible embodiment, the heating adjustment module 140 and the heating module 110 provided in this solution are both configured in multiple and one-to-one correspondence, and each heating adjustment module 140 is connected to the main control module 160 and connected to the corresponding heating module 110. The figure describes the setting of two heating adjustment modules 140 (Q3 and Q5 in the figure) as an example, and correspondingly, the number of photoelectric couplers 142 (IC1 and IC2 in the figure) is consistent with the number of heating adjustment modules 140 and corresponds one-to-one. The second connection ends of the two heating adjustment modules 140 in the figure are respectively connected to the power input ends (UP end and DOWN end in the figure) of the corresponding heating module 110. By setting a plurality of heating adjustment modules 140 and heating modules 110, the heating modules 110 can be evenly distributed and installed in multiple positions, so that the drying temperature of the clothes is more evenly distributed, thereby improving the drying effect of the clothes.

[0060] Optionally, the heating module 110 provided in this solution can be installed at the air inlet or outlet of the corresponding fan 120. In one embodiment, the fans 120 and corresponding wind speed adjustment modules 150 provided in this solution can correspond to the number of heating modules 110, and the fans 120 correspond to the heating modules 110 one-to-one. The heating modules 110 can be evenly distributed and installed in multiple locations, and the corresponding fans 120 can blow out air of corresponding temperatures, thereby more evenly distributing the drying temperature of the clothes and improving the drying effect of the clothes.

[0061] As mentioned above, the moisture detection module 170 is used to detect the moisture of the clothes and the moisture information of the clothes is sent to the main control module 160. The material detection module 130 is used to detect the material of the clothes and the material information of the clothes is sent to the main control module 160. The main control module 160 can control the heating adjustment module 140 and the wind speed adjustment module 150 according to the moisture information and material information of the clothes, control the speed of the fan 120 through the wind speed adjustment module 150, and control the heating module 110 through the heating adjustment module 140, so as to realize flexible control of the outlet wind speed and the outlet air temperature and improve the drying effect of the clothes.

[0062] Based on the above embodiments, Figure 5 A schematic structural diagram of a clothes drying device provided in an embodiment of the present application is given. Figure 5 The clothes drying device includes a main unit 210, a clothes drying rod assembly, and a drying control circuit as provided in any of the above embodiments (the drying control circuit is not shown in the figure and may be installed inside the main unit 210). The clothes drying rod assembly is disposed below the main unit 210 via a lifting mechanism and can be raised and lowered relative to the main unit 210. The clothes drying rod assembly can be used to hang clothes and dry the hung clothes using a heating module and a fan.

[0063] The drying control circuit provided in this solution can detect the material information of the clothes hung on the drying rod assembly through the material detection module and send the detected clothing material information to the main control module, and detect the clothing moisture information of the clothes through the moisture detection module and send the detected clothing moisture information to the main control module. The main control module can also adjust the fan speed according to the obtained clothing moisture information, or adjust the fan speed according to the obtained clothing material information and clothing moisture information, and adjust the working power of the heating module according to the obtained clothing material information and clothing moisture information, so as to adjust the temperature of the fan outlet air, thereby realizing flexible adjustment of the temperature and wind speed of the clothes drying.

[0064] In one embodiment, the material detection module is provided on the host 210, and the moisture detection module is provided on the drying rod assembly. The moisture detection module on the drying rod assembly accurately detects moisture information of clothes, thereby improving the drying effect of clothes.

[0065] In one embodiment, the drying rod assembly provided by this solution includes a clothes drying rod 220 and a clothes drying rack 230, wherein the clothes drying rod 220 is arranged below the main unit 210 through a lifting mechanism and can be lifted and lowered relative to the main unit 210. The clothes drying rack 230 can be hung on the clothes drying rod 220, and the clothes drying rack 230 can be used to hang clothes. The moisture detection module can be set on the clothes drying rack 230 and wirelessly connected to the main control module. Optionally, the main unit 210 is provided with an air outlet 240 for the fan to discharge air and an air inlet (not shown in the figure) for the fan to inlet air at a corresponding position of the fan. The heating module in the drying control circuit is installed at the air inlet or the air outlet 240 of the fan, so that the fan blows out hot air.

[0066] Furthermore, the fan and material detection module in the drying control circuit provided by this solution are arranged toward the clothes drying rod 220, so that the fan can blow air toward the clothes drying rack 230 hung on the clothes drying rod 220, thereby drying the clothes on the clothes drying rack 230. Furthermore, the material detection module can detect the material of the clothes on the clothes drying rack 230 and send the clothing material information to the main control module in the drying control circuit. The moisture detection module provided by this solution is installed on the clothes drying rack 230, so that the moisture detection module can detect the moisture content of the clothes on the clothes drying rack 230 and send the moisture content information to the main control module in the drying control circuit.

[0067] In one embodiment, the clothesline 220 can be set below the main unit 210 through a lifting mechanism, and can be lifted and lowered relative to the main unit 210. For example, a connecting rope with controllable extension and retraction is provided in the main unit 210 to connect the clothesline 220. The main control module is connected to a control module (such as a motor and a corresponding control circuit) for controlling the extension and retraction of the connecting rope, and controls the extension and retraction of the connecting rope through the control module. The extension position of the connecting rope can also be detected to determine the height of the clothesline 220 (for example, by detecting the extension position of the connecting rope through a Hall sensor provided on the motor).

[0068] In one embodiment, the present solution provides a plurality of clothes drying racks 230, and each clothes drying rack 230 is equipped with a moisture detection module. The moisture detection modules on each clothes drying rack 230 can be wirelessly connected to the main control module respectively, and can perform clothing moisture detection respectively and send clothing moisture information to the main control module.

[0069] When using the clothes drying device, the lifting mechanism can be used to control the clothes drying rod 220 to descend to a first preset height. The user can then place the clothes to be dried on the clothes drying rack 230 and hang the clothes drying rack 230 on the clothes drying rod 220. After the lifting mechanism controls the clothes drying rod 220 to rise to a second preset height, the moisture detection module and the material detection module respectively detect the moisture content and material quality of the clothes drying on the clothes drying rack 230, and then send the moisture content information and material quality information to the main control module. The main control module can control the operation of the heating and wind speed adjustment modules based on the moisture content and material quality information to control the fan speed and the power of the heating module. For example, when the moisture content of the clothes on the clothes drying rack 230 is high, the main control module can control the heating module and the fan to operate at maximum power, continuously obtain the moisture content of the clothes, and reduce the power of the heating module and the fan as the moisture content of the clothes decreases, thereby achieving flexible and precise control of the drying speed and drying temperature.

[0070] As mentioned above, the clothes drying equipment can detect the moisture content of clothes through the moisture detection module in the drying control circuit and send the moisture information of clothes to the main control module, and detect the material of clothes through the material detection module and send the material information of clothes to the main control module. The main control module can control the heating adjustment module and the wind speed adjustment module according to the moisture information and material information of clothes, control the speed of the fan through the wind speed adjustment module, and control the heating module through the heating adjustment module, so as to realize flexible control of the outlet wind speed and outlet air temperature, and improve the drying effect of clothes.

[0071] The above are only preferred embodiments of the present application and the technical principles employed. The present application is not limited to the specific embodiments provided herein, and various obvious changes, readjustments, and substitutions that can be made by those skilled in the art will not depart from the scope of protection of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments. Without departing from the concept of the present application, it may also include more other equivalent embodiments, and the scope of the present application is determined by the scope of the claims.

Claims

1. A drying control circuit, characterized in that: It includes a main control module, a material detection module, a moisture detection module, a heating module and a fan; the heating module is arranged in the air outlet channel of the fan; The material detection module is connected to the main control module and is used to detect clothing material information and send the detected clothing material information to the main control module; The moisture detection module is connected to the main control module, and is used to detect moisture information of clothes and send the detected moisture information of clothes to the main control module; The main control module is connected to the fan through the wind speed adjustment module, and is used to adjust the fan speed according to the acquired clothing moisture information, or to adjust the fan speed according to the acquired clothing material information and clothing moisture information; The main control module is connected to the heating module through the heating adjustment module, and is used to adjust the working power of the heating module according to the acquired clothing material information and clothing moisture information, so as to adjust the temperature of the air outlet of the fan.

2. The drying control circuit according to claim 1, characterized in that: The heating regulation module includes a thyristor and a photoelectric coupler, wherein: The first connection end and the second connection end of the thyristor are connected to the power supply circuit of the heating module; The input side of the photoelectric coupler is connected to the main control module, and the output side of the photoelectric coupler is connected to the control end of the thyristor.

3. The drying control circuit according to claim 1, characterized in that: The wind speed regulation module includes a first controller and a drive circuit. The first controller is connected to the main control module and the control end of the drive circuit. The output end of the drive circuit is connected to the fan. The first controller is used to control the speed of the fan through the drive circuit.

4. The drying control circuit according to claim 3, characterized in that: The wind speed regulation module also includes a current sampling module, the collection end of the current sampling module is connected to the drive circuit, and the output end of the current sampling module is connected to the first controller. The current sampling module is used to collect the working current of the fan and send it to the first controller. The first controller is used to control the operation of the drive circuit according to the working current of the fan.

5. The drying control circuit according to claim 1, characterized in that: The moisture detection module includes a moisture sensor and a second controller. The output end of the moisture sensor is connected to the second controller, and the second controller is connected to the main control module. The second controller is used to detect the moisture of clothes through the moisture sensor and send the moisture information of clothes to the main control module.

6. The drying control circuit according to claim 5, characterized in that: The main control module is connected to a first wireless communication module. The moisture sensor further includes a second wireless communication module. The second wireless communication module is connected to the second controller and is used to establish a wireless connection with the first wireless communication module.

7. The drying control circuit according to claim 1, characterized in that: There are multiple moisture detection modules.

8. The drying control circuit according to claim 1, characterized in that: The moisture detection module is connected to the main control module via a wireless connection.

9. A clothes drying device, characterized in that: It comprises a main unit, a drying rod assembly and a drying control circuit according to any one of claims 1 to 8; The drying rod assembly is arranged below the main machine through a lifting mechanism and can perform lifting motion relative to the main machine.

10. The clothes drying device according to claim 9, characterized in that: The material detection module is arranged on the host, and the moisture detection module is arranged on the drying rod assembly.

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