Electronic atomization device with wireless charging unit and charging control method thereof

Abstract

The present invention discloses an electronic atomization device with a wireless charging unit and a charging control method thereof, comprising an atomization component and a battery component, wherein the battery component comprises a flat shell and a battery holder, a rechargeable battery, a circuit control board and a flat wireless receiving coil arranged in the shell, wherein the circuit control board is provided with a microcontroller, a wireless charging unit and a charging control unit, wherein the wireless receiving coil, the wireless charging unit, the charging control unit and the rechargeable battery are electrically connected in sequence, wherein the wireless receiving coil receives an electromagnetic signal emitted by a wireless charging device and converts the signal into a voltage and outputs the signal to the wireless charging unit, wherein the wireless charging unit outputs a voltage to the charging control unit, wherein the charging control unit outputs a charging voltage to charge the rechargeable battery, and wherein the microcontroller is electrically connected to the charging control unit for charging control. The electronic atomization device is advantageous in that the electronic atomization device can be conveniently charged by placing it on a mobile phone wireless charging device, wherein the charging efficiency is high, and the wireless charging is stable and reliable.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic atomization devices, and more specifically, to an electronic atomization device with a wireless charging unit and a charging control method thereof. Background Art

[0002] Electronic atomization equipment generally includes an atomization component and a battery component. The battery component is used to control the atomization component and provide power to the atomization component. The atomization component includes a heating unit, which can atomize the solution to be atomized into vapor mist, or bake the cigarette cartridge to emit smoke for the user to inhale.

[0003] Electronic atomization equipment specifically includes electronic cigarettes, medical drug atomization equipment, etc. Its basic task is to provide a heating process to convert solutions such as smoke liquid or drug liquid stored in the electronic atomization equipment into vapor mist, aerosol, steam or electronic cigarette smoke, or to bake the smoke bomb to emit smoke.

[0004] The atomizing components of existing electronic atomizing devices are generally charged by wired means, and there are also wireless charging methods that use the principle of electromagnetic induction. The existing wireless charging method requires the electronic atomizing device to be inserted into a special charging container for charging, but the special charging container is inconvenient to carry with you, and it also needs to be accurately inserted for charging. The mobile phone wireless charging device is a more common flat-type charging device, and the mobile phone can be conveniently charged by placing it on it. Therefore, an electronic atomizing device that can be wirelessly charged using a mobile phone wireless charging device is needed. Summary of the invention

[0005] The object of the present invention is to provide an electronic atomization device with a wireless charging unit and a charging control method thereof in order to overcome the deficiencies of the above-mentioned technology.

[0006] The technical solution of the present invention is implemented as follows: an electronic atomization device with a wireless charging unit, comprising an atomization component and a battery component, the battery component being used to provide power to the atomization component and control the atomization component, the battery component comprising a flat shell and a battery holder, a rechargeable battery, a circuit control board and a flat wireless receiving coil arranged in the shell, the rechargeable battery, the circuit control board and the wireless receiving coil being arranged on the battery holder, the circuit control board being provided with a microcontroller, a wireless charging unit and a charging control unit, the wireless receiving coil, the wireless charging unit, the charging control unit and the rechargeable battery being electrically connected in sequence, the wireless receiving coil receiving the electromagnetic signal emitted by the wireless charging device and converting it into a voltage output to the wireless charging unit, the wireless charging unit outputs a voltage to the charging control unit, the charging control unit outputs a charging voltage to charge the rechargeable battery, and the microcontroller is electrically connected to the charging control unit for charging control.

[0007] Preferably, the circuit control board is also provided with a wired input interface terminal and a switching unit, the wired input interface terminal is used to access the external input voltage through the power line, the switching unit is arranged between the wireless charging unit or the wired input interface terminal and the charging control unit, and the switching unit is provided with a switch for switching, and the output voltage of the wireless charging unit and the voltage of the wired input interface terminal are switched and output to the charging control unit.

[0008] Preferably, the switching unit includes a first switch and a second switch, the first switch controls the output voltage of the wireless charging unit, the second switch controls the output voltage of the wired input interface end, and the first switch and the second switch cannot be turned on at the same time; when the wireless charging unit generates an output voltage and the wired input interface end is not connected to the working voltage, the switching unit turns on the first switch and turns off the second switch to output the output voltage of the wireless charging unit; when the wired input interface end is connected to the working voltage, the switching unit sends a signal to turn off the wireless charging unit, the switching unit turns off the first switch and turns on the second switch to output the voltage of the wired input interface end.

[0009] Preferably, an overvoltage detection unit is also provided on the circuit control board, and the overvoltage detection unit detects the input voltage of the charging control unit and sends an overvoltage detection signal to the microcontroller. When overvoltage occurs, the microcontroller turns off the charging control unit and stops charging to protect the rechargeable battery.

[0010] Preferably, the circuit control board is also provided with an ambient temperature detection unit, which detects the ambient temperature and sends an ambient temperature detection signal to the microcontroller. When the ambient temperature is higher than the maximum set value or lower than the minimum set value, the microcontroller turns off the charging control unit and stops charging to protect the rechargeable battery.

[0011] Preferably, the wireless charging unit includes a chip U4 with 17 pins, the first pin of the chip U4 is grounded, the second pin is connected to one end of a capacitor C17, the other end of the capacitor C17 is simultaneously connected to the 16th pin and one end of capacitors C19, C6, C15, and C18, the other ends of the capacitors C19, C6, and C15 are simultaneously connected to a node L1, the third pin is connected to one end of a capacitor C16, the other end of the capacitor C16 is simultaneously connected to the fifth pin, a node L2, and the other end of the capacitor C18, a wireless receiving coil L is connected between the nodes L1 and L2, the fourth pin and the seventeenth pin are grounded, the sixth pin is connected to a synchronous rectification output signal terminal VRECT inside the chip, the seventh pin is connected to one end of a resistor R33, the other end of the resistor R33 is simultaneously connected to the synchronous rectification output signal terminal VRECT inside the chip and one end of a capacitor C24 and a capacitor C25, the other ends of the capacitors C24 and C25 are simultaneously grounded, The 8th pin is connected to one end of the resistor R32 and the resistor R21 at the same time, and the other end of the resistor R32 is grounded. The other end of the resistor R21 is connected to the power signal terminal V5V used inside the chip. The 9th pin is connected to one end of the resistor R39. The 10th pin is connected to one end of the resistor R40. The other ends of the resistor R39 and the resistor R40 are grounded at the same time. The 11th pin is connected to the enable signal terminal EN-B of the chip U4. The 12th pin is connected to one end of the resistor R12 and the capacitor C23 at the same time, and the other ends of the resistor R12 and the capacitor C23 are grounded at the same time. The 13th pin is connected to the power signal terminal V5V used inside the chip and one end of the capacitor C22 at the same time, and the other end of the capacitor C22 is grounded. The 14th pin is connected to the wireless output voltage terminal W-VOUT and one end of the capacitor C20 at the same time, and the other end of the capacitor C20 is grounded. The 15th pin is connected to the synchronous rectification output signal terminal VRECT inside the chip and one end of the capacitor C21 at the same time, and the other end of the capacitor C21 is grounded.

[0012] Preferably, the microcontroller includes a chip MCU with 25 pins, the first pin of the chip MCU is connected to the ambient temperature detection switch terminal NTC-SW, the second pin is connected to the ambient temperature detection signal terminal NTC-DET, the third pin is connected to the overvoltage detection signal terminal CHARG-DET, the fourth pin is connected to the reset signal terminal RST, the seventh pin is grounded, the eighth pin is connected to the data burning signal terminal SWDIO, the ninth pin is simultaneously connected to the resistor R19, the capacitor C5, and one end of the capacitor C3, the other end of the resistor R19 is connected to the battery positive electrode BAT+, the other ends of the capacitors C5 and C3 are grounded respectively, and the tenth pin is connected to the blue The 11th pin is connected to the green indicator light signal terminal LED-BLUE, the 12th pin is connected to the red indicator light signal terminal LED-RED, the 13th pin is connected to the charging current first setting signal terminal I-SET1, the 14th pin is connected to the charging current second setting signal terminal I-SET2, the 15th pin is connected to the charging enable signal terminal CHARG-EN, the 16th pin is connected to the charging status indication signal terminal CHARG-STAT, the 22nd pin is connected to the burning clock signal terminal SWCLK, the 23rd pin is connected to the enable signal terminal EN-B of the chip U4, and the 25th pin is grounded.

[0013] Preferably, the overvoltage detection unit includes a resistor R13, a resistor R14, a resistor R15, a capacitor C9 and a Zener diode D2, one end of the resistor R15, the capacitor C9 and the resistor R14 are simultaneously connected to the overvoltage detection signal terminal CHARG-DET, the other ends of the resistor R15 and the capacitor C9 are both grounded, the other end of the resistor R14 is simultaneously connected to one end of the resistor R13 and the cathode of the Zener diode D2, the anode of the Zener diode D2 is grounded, and the other end of the resistor R13 is connected to the switching unit output voltage terminal VIN.

[0014] Preferably, the ambient temperature detection unit includes a thermistor R17 and a capacitor C11, one end of the thermistor R17 is connected to the ambient temperature detection switch end NTC-SW, the other end of the thermistor R17 is simultaneously connected to the ambient temperature detection signal end NTC-DET and one end of the capacitor C11, and the other end of the capacitor C11 is grounded.

[0015] Preferably, the switching unit includes a MOS tube Q3 as a first switch and a MOS tube Q4 as a second switch, the D pole of the MOS tube Q3 is simultaneously connected to the wireless output voltage terminal W-VOUT and one end of the resistor R35, the other end of the resistor R35 is simultaneously connected to the wireless charging enable signal terminal WIR-EN and one end of the resistor R34, the other end of the resistor R34 is grounded, the G pole of the MOS tube Q3 is connected to the enable signal terminal EN-B of the chip U4, the D pole of the MOS tube Q4 is simultaneously connected to the wired input interface terminal VBUS and one end of the resistor R36, the other end of the resistor R36 is simultaneously connected to the enable signal terminal EN-B of the chip U4 and one end of the resistor R37, the other end of the resistor R37 is grounded, and the S pole of the MOS tube Q3 and the S pole of the MOS tube Q4 are simultaneously connected to the switching unit output voltage terminal VIN.

[0016] Preferably, the charging control unit includes a chip U2 with 11 pins, the first pin of the chip U2 is simultaneously connected to one end of the capacitor C7, the capacitor C8 and the switching unit output voltage terminal VIN, the other ends of the capacitor C7 and the capacitor C8 are grounded, the second pin is simultaneously connected to one end of the resistor R38, the resistor R26, the resistor R10, the resistor R2, and the resistor R9, the other end of the resistor R38 is connected to the D pole of the MOS tube Q6, the G pole of the MOS tube Q6 is connected to the enable signal terminal EN-B of the chip U4, the S pole of the MOS tube Q6 is connected to the charging current second setting signal terminal I-SET2, the other ends of the resistors R26 and R10 are simultaneously connected to the charging current second setting signal terminal I-SET2, and the resistors The other end of R2 is connected to the first setting signal terminal I-SET1 of the charging current, the other end of the resistor R9 is grounded, the 3rd pin is grounded, the 4th pin is connected to one end of the resistor R8, the other end of the resistor R8 is grounded, the 7th pin is grounded, the 8th pin is simultaneously connected to one end of the resistor R16 and the charging status indication signal terminal CHARG-STAT, the other end of the resistor R16 is connected to the battery positive electrode BAT+, the 9th pin is simultaneously connected to one end of the resistor R25 and the resistor R4, the other end of the resistor R25 is grounded, the other end of the resistor R4 is connected to the charging enable signal terminal CHARG-EN, the 10th pin is simultaneously connected to one end of the capacitor C4 and the battery positive electrode BAT+, the other end of the capacitor C4 is grounded, and the 11th pin is grounded.

[0017] Another technical solution of the present invention is a charging control method for an electronic atomization device having a wireless charging unit, comprising the following steps:

[0018] (1) Parameter setting or parameter initialization before using the electronic atomization device;

[0019] (2) The microcontroller determines whether there is voltage at the wired input interface terminal. If yes, it proceeds to the next step; if no, it proceeds to step (6);

[0020] (3) The switching unit sends a signal to turn off the wireless charging unit, and the switching unit switches on and off to output the voltage at the wired input interface to the charging control unit;

[0021] (4) The microcontroller sends a first control signal to the charging control unit to adjust the charging current to a first current level;

[0022] (5) The microcontroller controls the wired charging status LED indicator to light up, and then enters step (10);

[0023] (6) The microcontroller determines whether the wireless charging unit has an output voltage. If yes, it proceeds to the next step. If no, it returns to step (2).

[0024] (7) The switching unit performs switch switching to output the output voltage of the wireless charging unit to the charging control unit;

[0025] (8) The microcontroller sends a second control signal to the charging control unit to adjust the charging current to a second current level;

[0026] (9) The microcontroller controls the wireless charging status LED indicator to light up;

[0027] (10) The charging control unit outputs a charging voltage to charge the rechargeable battery;

[0028] (11) The ambient temperature detection unit measures the ambient temperature and reads the temperature value;

[0029] (12) The microcontroller selects different charging current levels according to different ambient temperatures;

[0030] (13) The microcontroller determines whether the ambient temperature exceeds the maximum set value. If not, it proceeds to the next step. If yes, it proceeds to step (15);

[0031] (14) The microcontroller determines whether the ambient temperature is lower than the minimum set value. If yes, it proceeds to the next step. If no, it returns to step (2).

[0032] (15) The microcontroller turns off the voltage output of the charging control unit.

[0033] The beneficial effects of the present invention are as follows: the present invention is provided with a flat shell and a flat wireless receiving coil. During wireless charging, there is no need to insert the electronic atomization device into a special charging container for charging. Instead, a mobile phone wireless charging device can be used. The electronic atomization device can be placed on the mobile phone wireless charging device for convenient charging. In addition, the wireless charging unit of the present invention is reliably controlled by a microcontroller, and the charging efficiency is high. The wireless receiving coil is placed on a battery bracket for easy installation and fixation, making wireless charging stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 is a three-dimensional exploded structural diagram of a battery assembly of the present invention;

[0035] Figure 2 is a front view of a battery assembly of the present invention with the outer shell removed;

[0036] Figure 3 is a side view of a battery assembly of the present invention with the outer shell removed;

[0037] Figure 4 It is a circuit structure block diagram on the circuit control board of the present invention;

[0038] Figure 5 is a circuit diagram of a wireless charging unit of the present invention;

[0039] Figure 6 It is a microcontroller of the present invention and a circuit diagram thereof;

[0040] Figure 7 is a circuit diagram of an overvoltage detection unit of the present invention;

[0041] Figure 8 is a circuit diagram of an ambient temperature detection unit of the present invention;

[0042] Fig. 9 is a circuit diagram of a switching unit of the present invention;

[0043] Fig.10 is a circuit diagram of a charging control unit of the present invention;

[0044] Fig.11 is a flow chart of the charging control method of the present invention. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0046] Example:

[0047] The electronic atomization device with a wireless charging unit of the present invention comprises an atomization component (not shown) and a battery component, wherein the battery component is used to provide power to the atomization component and control the atomization component.

[0048] like Figure 1-Figure 4 As shown, the battery assembly includes a flat shell 1 and a battery holder 2, a rechargeable battery 3, a circuit control board 4 and a flat wireless receiving coil 5 provided in the shell 1. The rechargeable battery 3, the circuit control board 4 and the wireless receiving coil 5 are provided on the battery holder. The circuit control board 4 is provided with a microcontroller 6, a wireless charging unit 7 and a charging control unit 10. The wireless receiving coil 5, the wireless charging unit 7, the charging control unit 10 and the rechargeable battery 3 are electrically connected in sequence. The wireless receiving coil 5 receives the electromagnetic signal emitted by the wireless charging device (not shown in the figure) and converts it into a voltage output to the wireless charging unit 7. The wireless charging unit 7 outputs a voltage to the charging control unit 10. Finally, the charging control unit 10 outputs a charging voltage to the rechargeable battery 3 for charging. The microcontroller 6 is electrically connected to the charging control unit 10 for charging control. The flat shell 1 can be conveniently placed on a flat wireless charging device. The flat wireless receiving coil 5 can efficiently receive the electromagnetic signal emitted by the transmitting coil of the flat wireless charging device. The wireless charging device of this embodiment can be a flat mobile phone wireless charging device. The wireless receiving coil 5 is placed on the battery holder 2, which is convenient for installation and fixation, so that the wireless charging is stable and reliable.

[0049] like Figure 4 As shown, the circuit control board 4 is also provided with a wired input interface terminal 8 and a switching unit 9. The wired input interface terminal 8 is used to access the external input voltage through the power line. The switching unit 9 is provided with a switch (not shown in the figure), which can switch the output voltage of the wireless charging unit 7 or the voltage of the wired input interface terminal 8. The switching unit 9 is arranged between the wireless charging unit 7 or the wired input interface terminal 8 and the charging control unit 10. The switching unit 9 switches the output voltage of the wireless charging unit and the voltage of the wired input interface terminal to be switched and output to the charging control unit 10, and the charging control unit 10 then charges the rechargeable battery 3.

[0050] like Figure 4As shown, the switching unit 9 includes a first switch and a second switch (not shown in the figure), wherein the first switch controls the output of the output voltage of the wireless charging unit 7, and the second switch controls the output of the voltage of the wired input interface terminal 8, and the first switch and the second switch cannot be turned on at the same time. When the wireless charging unit 7 generates an output voltage and the wired input interface terminal 8 is not connected to the working voltage, the switching unit 9 turns on the first switch and turns off the second switch to output the output voltage of the wireless charging unit 7. The switching unit 9 outputs the output voltage of the wireless charging unit 7 or the voltage of the wired input interface terminal 8 to the charging control unit 10 by switching the first switch and the second switch. When the wired input interface terminal 8 is connected to the working voltage, the switching unit 9 sends a signal to turn off the wireless charging unit 7, and the switching unit 9 turns off the first switch and turns on the second switch to output the voltage of the wired input interface terminal 8.

[0051] like Figure 1-Figure 3 The circuit control board 4 shown is also provided with an overvoltage detection unit (not shown in the figure), which detects the input voltage of the charging control unit and sends an overvoltage detection signal to the microcontroller. When overvoltage occurs, the microcontroller turns off the charging control unit and stops charging to protect the rechargeable battery 3.

[0052] like Figure 1-Figure 3 The circuit control board 4 shown is also provided with an ambient temperature detection unit (not shown in the figure), which detects the ambient temperature and sends an ambient temperature detection signal to the microcontroller. When the ambient temperature is higher than the maximum set value or lower than the minimum set value, the microcontroller turns off the charging control unit and stops charging to protect the rechargeable battery 3.

[0053] like Figure 5 As shown, the wireless charging unit 7 includes a chip U4 with 17 pins, the first pin of the chip U4 is grounded, the second pin is connected to one end of the capacitor C17, the other end of the capacitor C17 is simultaneously connected to the 16th pin and one end of the capacitor C19, the capacitor C6, the capacitor C15, and the capacitor C18, the other ends of the capacitors C19, C6, and C15 are simultaneously connected to the node L1, the third pin is connected to one end of the capacitor C16, the other end of the capacitor C16 is simultaneously connected to the fifth pin, the node L2, and the other end of the capacitor C18, and a wireless receiving coil L (i.e. Figure 1-Figure 4The wireless receiving coil 5) in the embodiment of the present invention, the 4th pin and the 17th pin are grounded, the 6th pin is connected to the chip internal synchronous rectification output signal terminal VRECT, the 7th pin is connected to one end of the resistor R33, the other end of the resistor R33 is simultaneously connected to the chip internal synchronous rectification output signal terminal VRECT and one end of the capacitor C24 and the capacitor C25, the other ends of the capacitor C24 and the capacitor C25 are simultaneously grounded, the 8th pin is simultaneously connected to one end of the resistor R32 and the resistor R21, the other end of the resistor R32 is grounded, the other end of the resistor R21 is connected to the power supply signal terminal V5V used inside the chip, the 9th pin is connected to one end of the resistor R39, and the 10th pin is connected to one end of the resistor R40, The other ends of resistor R39 and resistor R40 are grounded at the same time, the 11th pin is connected to the enable signal terminal EN-B of chip U4, the 12th pin is connected to the resistor R12 and one end of capacitor C23 at the same time, the other ends of resistor R12 and capacitor C23 are grounded at the same time, the 13th pin is connected to the power signal terminal V5V used inside the chip and one end of capacitor C22 at the same time, the other end of capacitor C22 is grounded, the 14th pin is connected to the wireless output voltage terminal W-VOUT and one end of capacitor C20 at the same time, the other end of capacitor C20 is grounded, the 15th pin is connected to the synchronous rectification output signal terminal VRECT inside the chip and one end of capacitor C21 at the same time, the other end of capacitor C21 is grounded. In the above wireless charging unit, the wireless receiving coil L receives the electromagnetic signal of the wireless charging device, converts it into current output, and outputs voltage to the two ends of the rechargeable battery through the wireless output voltage terminal W-VOUT.

[0054] like Figure 6As shown, the above-mentioned microcontroller 6 includes a chip MCU with 25 pins, the first pin of the chip MCU is connected to the ambient temperature detection switch terminal NTC-SW, the second pin is connected to the ambient temperature detection signal terminal NTC-DET, the third pin is connected to the overvoltage detection signal terminal CHARG-DET, the fourth pin is connected to the reset signal terminal RST, the seventh pin is grounded, the eighth pin is connected to the data burning signal terminal SWDIO, the data burning signal terminal SWDIO can record or set some preset parameter values, the ninth pin is connected to the resistor R19, the capacitor C5, and one end of the capacitor C3 at the same time, the other end of the resistor R19 is connected to the battery positive electrode BAT+, and the other ends of the capacitors C5 and C3 are respectively The 10th pin is connected to the blue indicator signal terminal LED-BLUE, the 11th pin is connected to the green indicator signal terminal LED-GREEN, the 12th pin is connected to the red indicator signal terminal LED-RED, the 13th pin is connected to the charging current first setting signal terminal I-SET1, the 14th pin is connected to the charging current second setting signal terminal I-SET2, the 15th pin is connected to the charging enable signal terminal CHARG-EN, the 16th pin is connected to the charging status indication signal terminal CHARG-STAT, the 22nd pin is connected to the burning clock signal terminal SWCLK, the 23rd pin is connected to the enable signal terminal EN-B of the chip U4, and the 25th pin is grounded. The microcontroller chip MCU and its connection circuit constitute the main control circuit, which is used to control wired charging or wireless charging, indicate the charging status, and can also perform power-off protection according to charging overvoltage, high or low ambient temperature, to prevent charging failure.

[0055] like Figure 7 As shown, the overvoltage detection signal terminal CHARG-DET is simultaneously connected to the resistor R15, the capacitor C9 and one end of the resistor R14, the other ends of the resistor R15 and the capacitor C9 are grounded, the other end of the resistor R14 is simultaneously connected to one end of the resistor R13 and the cathode of the voltage zener diode D2, the other end of the resistor R13 is connected to the switching unit output voltage terminal VIN, and the anode of the voltage zener diode D2 is grounded. This circuit structure is used to detect the voltage signal of the switching unit output voltage terminal VIN and output the chip MCU to prevent overvoltage charging.

[0056] like Figure 8As shown, the ambient temperature detection switch end NTC-SW is connected to one end of the resistor R17, and the other end of the resistor R17 is simultaneously connected to the ambient temperature detection signal end NTC-DET and one end of the capacitor C11, and the other end of the capacitor C11 is grounded. This circuit structure is used to detect the ambient temperature and output the ambient temperature detection signal to the chip MCU. The chip MCU can select different gears of charging current according to different ambient temperatures. If the ambient temperature is high, the charging current of the low current gear is selected to prevent problems such as excessive charging current and battery overheating. In addition, when the ambient temperature is lower than the minimum set value or higher than the maximum set value, the voltage output of the charging control unit can be automatically turned off to prevent the battery from swelling, failure to charge, and other faults.

[0057] like Fig. 9 As shown, the switching unit 9 includes a MOS tube Q3 as a first switch and a MOS tube Q4 as a second switch. The D pole of the MOS tube Q3 is simultaneously connected to the wireless output voltage terminal W-VOUT and one end of the resistor R35. The other end of the resistor R35 is simultaneously connected to the wireless charging enable signal terminal WIR-EN and one end of the resistor R34. The other end of the resistor R34 is grounded. The G pole of the MOS tube Q3 is connected to the enable signal terminal EN-B of the chip U4. The D pole of the MOS tube Q4 is simultaneously connected to the wired input interface terminal VBUS (i.e. Figure 4 The wired input interface terminal 8) in the chip U4 and one end of the resistor R36, the other end of the resistor R36 is simultaneously connected to the enable signal terminal EN-B of the chip U4 and one end of the resistor R37, the other end of the resistor R37 is grounded, and the S pole of the MOS tube Q3 and the S pole of the MOS tube Q4 are simultaneously connected to the switching unit output voltage terminal VIN.

[0058] like Fig.10As shown, the charging control unit 10 includes a chip U2 with 11 pins, the first pin of the chip U2 is simultaneously connected to one end of the capacitor C7, the capacitor C8 and the switching unit output voltage terminal VIN after the switching unit passes through the switching unit, where the output voltage after the switching unit is input, the other end of the capacitor C7, the capacitor C8 is grounded, the second pin is simultaneously connected to one end of the resistor R38, the resistor R26, the resistor R10, the resistor R2, and the resistor R9, the other end of the resistor R38 is connected to the D pole of the MOS tube Q6, the G pole of the MOS tube Q6 is connected to the enable signal terminal EN-B of the chip U4, the S pole of the MOS tube Q6 is connected to the charging current second setting signal terminal I-SET2, and the other ends of the resistors R26 and R10 are simultaneously connected to the charging current second setting signal terminal I-SET 2, the other end of the resistor R2 is connected to the first setting signal terminal I-SET1 of the charging current, the other end of the resistor R9 is grounded, the 3rd pin is grounded, the 4th pin is connected to one end of the resistor R8, the other end of the resistor R8 is grounded, the 7th pin is grounded, the 8th pin is simultaneously connected to one end of the resistor R16 and the charging status indication signal terminal CHARG-STAT, the other end of the resistor R16 is connected to the positive electrode BAT+ of the battery, the 9th pin is simultaneously connected to one end of the resistor R25 and the resistor R4, the other end of the resistor R25 is grounded, the other end of the resistor R4 is connected to the charging enable signal terminal CHARG-EN, the 10th pin is simultaneously connected to one end of the capacitor C4 and the positive electrode BAT+ of the battery, and the charging voltage is output to the rechargeable battery here, the other end of the capacitor C4 is grounded, and the 11th pin is grounded. The charging control unit inputs the output voltage after the switching unit is switched, and outputs the charging voltage to the rechargeable battery. The above-mentioned charging enable signal terminal CHARG-EN is used to control whether the charging control unit is charged, if there is a charging enable signal, charging is performed, and if there is no charging enable signal, charging is turned off.

[0059] like Fig. 9 , Fig.10 As shown, the enable signal terminal EN-B of chip U4 turns off chip U4 when it is at a high level, and turns on chip U4 when it is at a low level. When the wired input interface terminal VBUS has an operating voltage of 5V, the enable signal terminal EN-B of chip U4 is at a high level, and at this time, chip U4 is turned off, the wireless charging unit 7 is disabled, and the MOS tube Q6 of the charging control unit 10 is turned on, and the connection resistance of the first setting signal terminal I-SET1 is adjusted to adjust the charging current to the first gear current, such as 600mA. When there is no operating voltage at the wired input interface terminal VBUS, that is, 0V, the enable signal terminal EN-B of chip U4 is at a low level, chip U4 is enabled, the wireless charging unit 7 is enabled, and the MOS tube Q6 of the charging control unit 10 is turned off, and the connection resistance of the first setting signal terminal I-SET1 is adjusted to adjust the charging current to the second gear current, such as 300mA. Usually, the charging current during wireless charging should be less than the current during wired charging.

[0060] When the wired input interface terminal VBUS has no working voltage and the wireless output voltage terminal W-VOUT has a working voltage, the wireless charging enable signal terminal WIR-EN is at a high level, and the enable signal terminal EN-B of the chip U4 is at a low level, so that the chip U4 and the wireless charging unit 7 are enabled, and the MOS tube Q3 of the first switch is turned on, and the MOS tube Q4 of the second switch is turned off. At this time, the voltage of the wireless output voltage terminal W-VOUT is output to the output voltage terminal VIN of the switching unit through the MOS tube Q3, so that the wireless charging unit works to charge the rechargeable battery.

[0061] When the wired input interface terminal VBUS has a working voltage, the enable signal terminal EN-B of the chip U4 is at a high level. At this time, regardless of whether the wireless charging unit 7 is working or not, the chip U4 and the wireless charging unit 7 are disabled, the wireless output voltage terminal W-VOUT has no working voltage, and the wireless charging enable signal terminal WIR-EN is at a low level, so that the MOS tube Q3 of the first switch is turned off and the MOS tube Q4 of the second switch is turned on. At this time, the voltage of the wired input interface terminal VBUS is output to the output voltage terminal VIN of the switching unit through the MOS tube Q4, so that the wired input interface terminal VBUS charges the rechargeable battery.

[0062] like Fig.11 As shown, a charging control method of an electronic atomization device having a wireless charging unit of the present invention comprises the following steps:

[0063] (1) Parameter setting or parameter initialization before using the electronic atomization device;

[0064] (2) The microcontroller determines whether there is voltage at the wired input interface terminal. If yes, it proceeds to the next step; if no, it proceeds to step (6);

[0065] (3) The switching unit sends a signal to turn off the wireless charging unit, and the switching unit performs a switch switch, that is, turns off the first switch and turns on the second switch, and outputs the voltage of the wired input interface end to the charging control unit;

[0066] (4) The microcontroller sends a first control signal to the charging control unit to adjust the charging current to a first current level;

[0067] (5) The microcontroller controls the wired charging status LED indicator to light up, and then enters step (10);

[0068] (6) The microcontroller determines whether the wireless charging unit has an output voltage. If yes, it proceeds to the next step. If no, it returns to step (2).

[0069] (7) The switching unit performs switch switching, that is, turns on the first switch and turns off the second switch, and outputs the output voltage of the wireless charging unit to the charging control unit;

[0070] (8) The microcontroller sends a second control signal to the charging control unit to adjust the charging current to a second current level;

[0071] (9) The microcontroller controls the wireless charging status LED indicator to light up;

[0072] (10) The charging control unit outputs a charging voltage to charge the rechargeable battery;

[0073] (11) The ambient temperature detection unit measures the ambient temperature and reads the temperature value;

[0074] (12) The microcontroller selects different charging current levels according to different ambient temperatures;

[0075] (13) The microcontroller determines whether the ambient temperature exceeds the maximum set value. If not, it proceeds to the next step. If yes, it proceeds to step (15);

[0076] (14) The microcontroller determines whether the ambient temperature is lower than the minimum set value. If yes, it proceeds to the next step. If no, it returns to step (2).

[0077] (15) The microcontroller turns off the voltage output of the charging control unit.

[0078] The above description is only a preferred embodiment of the present invention, and the above specific embodiment is not intended to limit the present invention. Various deformations and modifications may occur within the scope of the technical concept of the present invention, and any modification, modification or equivalent replacement made by a person of ordinary skill in the art based on the above description shall fall within the scope of protection of the present invention.

Claims

1. An electronic atomization device with a wireless charging unit, comprising an atomization component and a battery component, wherein the battery component is used to provide power to the atomization component and control the atomization component, characterized in that: The battery assembly comprises a flat shell and a battery holder, a rechargeable battery, a circuit control board and a flat wireless receiving coil arranged in the shell. The rechargeable battery, the circuit control board and the wireless receiving coil are arranged on the battery holder. A microcontroller, a wireless charging unit and a charging control unit are arranged on the circuit control board. The wireless receiving coil, the wireless charging unit, the charging control unit and the rechargeable battery are electrically connected in sequence. The wireless receiving coil receives an electromagnetic signal emitted by a wireless charging device and converts it into a voltage and outputs it to the wireless charging unit. The wireless charging unit outputs a voltage to the charging control unit. The charging control unit outputs a charging voltage to charge the rechargeable battery. The microcontroller is electrically connected to the charging control unit to perform charging control. The circuit control board is also provided with a wired input interface terminal and a switching unit, the wired input interface terminal is used to access the external input voltage through the power line, the switching unit is provided between the wireless charging unit or the wired input interface terminal and the charging control unit, and the switching unit is provided with a switch for switching, and the output voltage of the wireless charging unit and the voltage of the wired input interface terminal are switched and output to the charging control unit; The switching unit includes a first switch and a second switch, the first switch controls the output voltage of the wireless charging unit, and the second switch controls the output voltage of the wired input interface end, and the first switch and the second switch cannot be turned on at the same time; when the wireless charging unit generates an output voltage and the wired input interface end is not connected to the working voltage, the switching unit turns on the first switch and turns off the second switch to output the output voltage of the wireless charging unit; when the wired input interface end is connected to the working voltage, the switching unit sends a signal to turn off the wireless charging unit, and the switching unit turns off the first switch and turns on the second switch to output the voltage of the wired input interface end; The switching unit includes a MOS transistor Q3 as a first switch and a MOS transistor Q4 as a second switch, the D pole of the MOS transistor Q3 is simultaneously connected to the wireless output voltage terminal W-VOUT and one end of the resistor R35, the other end of the resistor R35 is simultaneously connected to the wireless charging enable signal terminal WIR-EN and one end of the resistor R34, the other end of the resistor R34 is grounded, the G pole of the MOS transistor Q3 is connected to the enable signal terminal EN-B of the chip U4, the D pole of the MOS transistor Q4 is simultaneously connected to the wired input interface terminal VBUS and one end of the resistor R36, the other end of the resistor R36 is simultaneously connected to the enable signal terminal EN-B of the chip U4 and one end of the resistor R37, the other end of the resistor R37 is grounded, and the S pole of the MOS transistor Q3 and the S pole of the MOS transistor Q4 are simultaneously connected to the switching unit output voltage terminal VIN; The charging control unit includes a chip U2 with 11 pins, the first pin of the chip U2 is simultaneously connected to one end of the capacitor C7, the capacitor C8 and the switching unit output voltage terminal VIN, the other ends of the capacitors C7 and C8 are grounded, the second pin is simultaneously connected to one end of the resistors R38, R26, R10, R2 and R9, the other end of the resistor R38 is connected to the D pole of the MOS tube Q6, the G pole of the MOS tube Q6 is connected to the enable signal terminal EN-B of the chip U4, the S pole of the MOS tube Q6 is connected to the charging current second setting signal terminal I-SET2, the other ends of the resistors R26 and R10 are simultaneously connected to the charging current second setting signal terminal I-SET2, the resistor R2 The other end of the resistor R9 is connected to the first setting signal terminal I-SET1 of the charging current, the other end of the resistor R9 is grounded, the 3rd pin is grounded, the 4th pin is connected to one end of the resistor R8, the other end of the resistor R8 is grounded, the 7th pin is grounded, the 8th pin is simultaneously connected to one end of the resistor R16 and the charging status indication signal terminal CHARG-STAT, the other end of the resistor R16 is connected to the battery positive electrode BAT+, the 9th pin is simultaneously connected to one end of the resistor R25 and the resistor R4, the other end of the resistor R25 is grounded, the other end of the resistor R4 is connected to the charging enable signal terminal CHARG-EN, the 10th pin is simultaneously connected to one end of the capacitor C4 and the battery positive electrode BAT+, the other end of the capacitor C4 is grounded, and the 11th pin is grounded.

2. The electronic atomization device with a wireless charging unit according to claim 1, characterized in that: The circuit control board is also provided with an overvoltage detection unit, which detects the input voltage of the charging control unit and sends an overvoltage detection signal to the microcontroller. When overvoltage occurs, the microcontroller turns off the charging control unit and stops charging to protect the rechargeable battery.

3. The electronic atomization device with a wireless charging unit according to claim 1, characterized in that: The circuit control board is also provided with an ambient temperature detection unit, which detects the ambient temperature and sends an ambient temperature detection signal to the microcontroller. When the ambient temperature is higher than the maximum set value or lower than the minimum set value, the microcontroller turns off the charging control unit and stops charging to protect the rechargeable battery.

4. The electronic atomization device with a wireless charging unit according to claim 1, characterized in that: The wireless charging unit includes a chip U4 with 17 pins, the first pin of the chip U4 is grounded, the second pin is connected to one end of a capacitor C17, the other end of the capacitor C17 is simultaneously connected to the 16th pin and one end of capacitors C19, C6, C15, and C18, the other ends of the capacitors C19, C6, and C15 are simultaneously connected to a node L1, the third pin is connected to one end of a capacitor C16, the other end of the capacitor C16 is simultaneously connected to the fifth pin, a node L2, and the other end of the capacitor C18, a wireless receiving coil L is connected between the nodes L1 and L2, the fourth pin and the seventeenth pin are grounded, the sixth pin is connected to an internal synchronous rectification output signal terminal VRECT of the chip, the seventh pin is connected to one end of a resistor R33, the other end of the resistor R33 is simultaneously connected to the internal synchronous rectification output signal terminal VRECT of the chip and one end of a capacitor C24 and a capacitor C25, the other ends of the capacitors C24 and C25 are simultaneously grounded, and the eighth pin is connected to one end of a resistor R33. The pin is simultaneously connected to one end of the resistor R32 and the resistor R21, the other end of the resistor R32 is grounded, the other end of the resistor R21 is connected to the power signal terminal V5V used inside the chip, the 9th pin is connected to one end of the resistor R39, the 10th pin is connected to one end of the resistor R40, the other ends of the resistor R39 and the resistor R40 are simultaneously grounded, the 11th pin is connected to the enable signal terminal EN-B of the chip U4, the 12th pin is simultaneously connected to one end of the resistor R12 and the capacitor C23, the other ends of the resistor R12 and the capacitor C23 are simultaneously grounded, the 13th pin is simultaneously connected to the power signal terminal V5V used inside the chip and one end of the capacitor C22, the other end of the capacitor C22 is grounded, the 14th pin is simultaneously connected to the wireless output voltage terminal W-VOUT and one end of the capacitor C20, the other end of the capacitor C20 is grounded, the 15th pin is simultaneously connected to the synchronous rectification output signal terminal VRECT inside the chip and one end of the capacitor C21, the other end of the capacitor C21 is grounded.

5. The electronic atomization device with a wireless charging unit according to claim 4, characterized in that: The microcontroller includes a chip MCU with 25 pins, wherein the first pin of the chip MCU is connected to the ambient temperature detection switch terminal NTC-SW, the second pin is connected to the ambient temperature detection signal terminal NTC-DET, the third pin is connected to the overvoltage detection signal terminal CHARG-DET, the fourth pin is connected to the reset signal terminal RST, the seventh pin is grounded, the eighth pin is connected to the data burning signal terminal SWDIO, the ninth pin is simultaneously connected to the resistor R19, the capacitor C5, and one end of the capacitor C3, the other end of the resistor R19 is connected to the battery positive electrode BAT+, the other ends of the capacitors C5 and C3 are grounded respectively, and the tenth pin is connected to the blue pointer The indicator light signal terminal LED-BLUE, the 11th pin is connected to the green indicator light signal terminal LED-GREEN, the 12th pin is connected to the red indicator light signal terminal LED-RED, the 13th pin is connected to the charging current first setting signal terminal I-SET1, the 14th pin is connected to the charging current second setting signal terminal I-SET2, the 15th pin is connected to the charging enable signal terminal CHARG-EN, the 16th pin is connected to the charging status indication signal terminal CHARG-STAT, the 22nd pin is connected to the burning clock signal terminal SWCLK, the 23rd pin is connected to the enable signal terminal EN-B of the chip U4, and the 25th pin is grounded.

6. The electronic atomization device with a wireless charging unit according to claim 2, characterized in that: The overvoltage detection unit includes a resistor R13, a resistor R14, a resistor R15, a capacitor C9 and a Zener diode D2. One end of the resistor R15, the capacitor C9 and the resistor R14 are simultaneously connected to the overvoltage detection signal terminal CHARG-DET, and the other ends of the resistor R15 and the capacitor C9 are both grounded. The other end of the resistor R14 is simultaneously connected to one end of the resistor R13 and the cathode of the Zener diode D2. The anode of the Zener diode D2 is grounded, and the other end of the resistor R13 is connected to the switching unit output voltage terminal VIN.

7. The electronic atomization device with a wireless charging unit according to claim 3, characterized in that: The ambient temperature detection unit includes a thermistor R17 and a capacitor C11, one end of the thermistor R17 is connected to the ambient temperature detection switch end NTC-SW, the other end of the thermistor R17 is simultaneously connected to the ambient temperature detection signal end NTC-DET and one end of the capacitor C11, and the other end of the capacitor C11 is grounded.

8. A charging control method for an electronic atomization device having a wireless charging unit as claimed in claim 1, characterized in that: The steps include: (1) Parameter setting or parameter initialization before using the electronic atomization device; (2) The microcontroller determines whether there is voltage at the wired input interface terminal. If yes, it proceeds to the next step; if no, it proceeds to step (6); (3) The switching unit sends a signal to turn off the wireless charging unit, and the switching unit switches on and off to output the voltage at the wired input interface to the charging control unit; (4) The microcontroller sends a first control signal to the charging control unit to adjust the charging current to a first current level; (5) The microcontroller controls the wired charging status LED indicator to light up, and then enters step (10); (6) The microcontroller determines whether the wireless charging unit has an output voltage. If yes, it proceeds to the next step. If no, it returns to step (2). (7) The switching unit performs switch switching to output the output voltage of the wireless charging unit to the charging control unit; (8) The microcontroller sends a second control signal to the charging control unit to adjust the charging current to a second current level; (9) The microcontroller controls the wireless charging status LED indicator to light up; (10) The charging control unit outputs a charging voltage to charge the rechargeable battery; (11) The ambient temperature detection unit measures the ambient temperature and reads the temperature value; (12) The microcontroller selects different charging current levels according to different ambient temperatures; (13) The microcontroller determines whether the ambient temperature exceeds the maximum set value. If not, it proceeds to the next step. If yes, it proceeds to step (15); (14) The microcontroller determines whether the ambient temperature is lower than the minimum set value. If yes, it proceeds to the next step. If no, it returns to step (2). (15) The microcontroller turns off the voltage output of the charging control unit.

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