CN110946336A - Lip induction heating system and electron cigarette - Google Patents
Lip induction heating system and electron cigarette Download PDFInfo
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- CN110946336A CN110946336A CN201911408205.2A CN201911408205A CN110946336A CN 110946336 A CN110946336 A CN 110946336A CN 201911408205 A CN201911408205 A CN 201911408205A CN 110946336 A CN110946336 A CN 110946336A
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Abstract
The invention relates to the field of touch induction heating, and discloses a lip induction heating system and an electronic cigarette, wherein the lip induction heating system comprises an MCU (microprogrammed control unit), a lip induction sensor unit and a heating body control unit, wherein the lip induction sensor unit and the heating body control unit are connected with the MCU; an electronic cigarette comprising the lip induction heating system; the invention solves the problem that the heating temperature of the electronic cigarette can not be automatically adjusted, and compared with the prior art, the electronic cigarette has the following advantages: (1) the cigarette holder oil bin main body is rapidly heated to a preset temperature value through constant voltage output controlled by the MCU; the heating body control unit adopts a buck-boost circuit design to meet the requirement of rapid heating; (2) the constant-pressure output of the MCU enables the tobacco tar to be heated uniformly, so that the tobacco tar utilization rate is high, and the user experience is good; (3) the cigarette holder oil bin is used for accurately controlling the temperature through the temperature sensor, so that tobacco tar at the periphery and the bottom of the cigarette cup is evaporated through high-temperature heating, and residues are avoided.
Description
Technical Field
The invention relates to the technical field of touch induction heating, in particular to a lip induction heating system and an electronic cigarette.
Background
As an electronic product for quitting smoking or replacing traditional tobacco, the basic structure of an electronic cigarette generally consists of three parts: the power supply system controls the power supply system to drive the atomization system to work by means of the induction of human lips, tobacco tar of the oil storage system is consumed, output atomization is completed, and smoking is achieved.
At present, a common electronic cigarette heating mode is performed through a manual switch or an automatic microphone switch, the automatic switch can be turned on for heating only by synchronously pressing a control switch with a finger to perform an ignition action or an atomizer needs to reach a certain negative air pressure value, so that the heating time is delayed, and the experience effect of a user is poor; and heating temperature can not automatic adjustment for the tobacco tar that produces during the heating permeates to the bottom of flue-cured tobacco cup, not only is difficult to wash, influences the taste moreover or plugs up the gas outlet, is unfavorable for smoker's health.
The patent of publication number CN104489931A discloses a novel electronic cigarette with a lip induction driving device, which comprises a power supply system and an atomization assembly arranged in a housing, wherein the power supply system comprises a battery 114 and a control circuit board, the control circuit board is arranged between the battery 114 and an electric heater of the atomization assembly, and controls the on-off between the battery 114 and the electric heater, so that the atomization assembly atomizes tobacco tar and outputs the atomized tobacco tar from a cigarette holder arranged at one end of the housing under the control of the control circuit board; the control circuit on still include human body sensor, human body sensor set up cigarette holder one end on the shell, when the people inhales the cigarette holder with the lip, the lip contacts human body sensor, human body sensor produces enable signal trigger control circuit board and switches on electric heater and battery 114.
The publication number CN209732610U discloses a heating control circuit of an electric heating suction device, which comprises a main control unit, at least one capacitive sensor, a driving circuit and a heating element, wherein the main control unit is respectively connected with the capacitive sensor and the driving circuit, and the driving circuit is connected with the heating element; the capacitive sensor is used for sensing the contact of the lips or the skin of a human body and a suction nozzle of the suction device to generate a sensing signal and transmitting the sensing signal to the main control unit; the main control unit starts the power output of the driving circuit to the heating element according to the induction signal generated by the capacitive sensor.
Notice No. CN205390304U discloses a lip auto-induction smoking electronic cigarette, which comprises an electronic cigarette atomizer and an electronic cigarette lighting control circuit board; wherein, a lip induction touch switch is arranged on the electronic cigarette atomizer; the electronic cigarette lighting control circuit board is provided with an electronic cigarette touch control IC connected with the lip induction touch switch and an electronic cigarette chip CPU connected with the electronic cigarette touch control IC and used for receiving touch induction signals generated by the electronic cigarette touch control IC and outputting electronic cigarette lighting control signals.
The inventor believes that the technical solutions all focus on solving the problem of automatic induction start heating of the electronic cigarette, but do not solve the problem of automatic adjustment of the heating temperature.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a lip induction heating system and an electronic cigarette, and aims to solve the problem that the heating temperature of the electronic cigarette cannot be automatically adjusted in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first aspect, the invention provides a lip induction heating system, which comprises an MCU (microprogrammed control unit) for controlling the lip induction heating system, a lip induction sensor unit and a heating element control unit which are connected with the MCU, and a heating element which is connected with the heating element control unit and is used for heating; the lip induction sensor unit transmits induction signals generated by human body contact to the MCU, and the MCU sends control signals to the heating body control unit according to the induction signals so that the heating body control unit starts heating the heating body.
Further, the heating element control unit comprises a heating element output control unit and a heating element resistance value control unit, the heating element resistance value control unit is used for detecting the resistance value of the heating element and transmitting the detection result to the MCU, and the MCU outputs a control signal to the heating element output control unit according to the detection result so that the heating element output control unit controls the heating temperature of the heating element.
Further, lip induction heating system still include with power supply unit, button the control unit, vibration motor unit and the temperature sensor that MCU links to each other, power supply unit passes through the battery and does lip induction heating system provides working power supply, button the control unit is used for adjusting heating temperature, vibration motor the control unit is used for reminding heating temperature to reach the assigned state through the vibration motor vibration, temperature sensor is thermistor, temperature sensor is used for surveying temperature signal and will temperature signal conveys MCU.
Further, the lip sensing sensor unit includes a touch detection chip U1, capacitors C1 and C2, a resistor R1, a contact sensor K1, connection points J1 and J2; the contact sensor K1 is a copper sheet contact point and is used for sensing human body contact; the touch detection chip U1 is used for human body contact detection; the connection points J1 and J2 are in a synchronous mode when being switched on and in a holding mode when being switched off; pin 1 of the chip U1 is connected with the input end of the MCU and used for outputting a touch detection signal; pin 2 of the chip U1 is grounded; the pin 3 of the chip U1 is respectively connected with one end of the resistor R1 and one end of the capacitor C1, the other end of the resistor R1 is connected with the contact sensor K1, and the other end of the capacitor C1 is grounded; pin 4 of the chip U1 is connected with one end of the connection point J2, pin 6 of the chip U1 is connected with one end of the connection point J1, pin 5 of the chip U1 is connected with the other end of the connection point J2 and the other end of the connection point J1 respectively, the other end of the connection point J1 is also connected with digital voltage, the other end of the connection point J2 is connected with one end of the capacitor C2, and the other end of the capacitor C2 is grounded.
Further, the heating element output control unit comprises a half-bridge driving chip U4, a voltage stabilizing diode D5, capacitors C14, C18, C22, C23 and C24, MOS (metal oxide semiconductor) tubes Q7 and Q8, an inductor L1 and a resistor R24; the chip U4 controls the output power by controlling the high-low bridge output; pin 1 of the chip U4 is respectively connected with a circuit power supply 12V, the cathode of the zener diode D5 and one end of the capacitor C18, and the other end of the capacitor C18 is grounded; pin 2 of the chip U4 is respectively connected with the cathode of the zener diode D5 and one end of the capacitor C14; pin 3 of the chip U4 is connected with pin 4 of the MOS transistor Q8; pin 4 of the chip U4 is connected to the other end of the capacitor C14 and pin 8 of the MOS transistor Q7, pin 8 of the MOS transistor Q7 is further connected to pin 3 of the MOS transistor Q8 and pin 7 of the MOS transistor Q7, pin 2 of the MOS transistor Q8 and pin 6 of the MOS transistor Q7, pin 1 of the MOS transistor Q8 and pin 5 of the MOS transistor Q7, respectively, and then connected to one end of the inductor L1, the other end of the inductor L1 is connected to a voltage output terminal, after pin 8, pin 7, pin 6, and pin 5 of the MOS transistor Q8 are connected, one end of the inductor is connected to the voltage output terminal, the other end of the inductor is connected to one end of the capacitor C22, the capacitor C23, and the capacitor C24, the other end of the capacitor C22 is grounded, the other end of the capacitor C23 is grounded, and the other end of the capacitor C24 is grounded; a pin 10 of the chip U4 is connected with a pin 4 of the MOS tube Q7, and a pin 1, a pin 2 and a pin 3 of the MOS tube Q7 are connected and then grounded; pin 5 of the chip U4 is a hollow pin; pin 9 of the chip U4 is grounded; a pin 8 and a pin 7 of the chip U4 are respectively connected with a control signal output end of the MCU; the pin 6 of the chip U4 is connected to one end of the resistor R24, and the other end of the resistor R24 is grounded.
Further, the heating element resistance value control unit comprises a current detection chip U6, resistors R33, R34, R36, R37 and R38, capacitors C20, C31, C35 and C36; the chip U6 calculates the resistance value of the load by detecting the current; pin 1 and pin 2 of the chip U6 are connected and then grounded; the pin 3 of the chip U6 is respectively connected with one end of the capacitor C35 and one end of the capacitor C36, one end of the capacitor C36 is further connected with one end of the resistor R38, the other end of the resistor R38 is connected with a circuit power supply 12V, the other end of the capacitor C35 is grounded, and the other end of the capacitor C36 is grounded; the pin 4 of the chip U6 is respectively connected with one end of the capacitor C20 and one end of the resistor R34, and the other end of the resistor R34 is respectively connected with one end of the resistor R36 and a voltage output end; a pin 5 of the chip U6 is respectively connected with the other end of the capacitor C20 and one end of the resistor R33, and the other end of the resistor R33 is respectively connected with a control signal output end of the MCU and the other end of the resistor R36; the pin 6 of the chip U6 is connected with one end of the resistor R37, the other end of the resistor R37 is respectively connected with the current output end of the heating element and one end of the capacitor C31, and the other end of the capacitor C31 is grounded.
Further, the power supply unit comprises a charging control unit, a charging protection unit and a power output control unit, the charging control unit is used for controlling charging of the battery, the charging protection unit is used for protecting charging and discharging of the battery, and the power output control unit is used for controlling voltage output by the battery.
Further, the key control unit includes keys S1, S2, and S3, resistors R23, R27, and R28; the one end of button S1 is connected respectively resistance R28 ' S one end with MCU ' S control end, the one end of button S2 is connected respectively resistance R27 ' S one end with MCU ' S control end, the one end of button S3 is connected respectively resistance R23 ' S one end with MCU ' S control end, resistance R23 resistance R27 and resistance R28 ' S the other end connects after linking to each other MCU ' S circuit voltage, button S1 button S2 and button S3 ' S the other end ground connection after linking to each other.
Further, the vibration motor control unit comprises a vibration motor T1, a zener diode D6, a capacitor C32, a triode Q5 and a resistor R35, one end of the resistor R35 is connected to the control end of the MCU, the other end of the resistor R35 is connected to the base of the triode Q5, the emitter of the triode Q5 is grounded, the collector of the triode Q5 is connected to one end of the vibration motor T1, the anode of the zener diode D6 and one end of the capacitor C32, and the other end of the capacitor C32, the cathode of the zener diode D6 and the other end of the vibration motor T1 are connected to a battery power supply.
In a second aspect, the invention provides an electronic cigarette comprising the lip induction heating system.
Compared with the prior art, the lip induction heating system has the advantages that compared with the prior art, the lip induction heating system provided by the invention has the following advantages:
(1) the cigarette holder oil bin main body is rapidly heated to a preset temperature value through constant voltage output controlled by the MCU; the heating body control unit adopts a buck-boost circuit design to meet the requirement of rapid heating;
(2) the constant-pressure output of the MCU enables the tobacco tar to be heated uniformly, so that the tobacco tar utilization rate is high, and the user experience is good;
(3) the cigarette holder oil bin is used for accurately controlling the temperature through the temperature sensor, so that tobacco tar at the periphery and the bottom of the cigarette cup is evaporated through high-temperature heating, and residues are avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of a lip induction heating system according to an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of a lip induction sensor unit of the lip induction heating system according to an embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of a heating element output control unit of the lip induction heating system according to the embodiment of the present invention.
Fig. 4 is a schematic circuit diagram of a heating element resistance value control unit of the lip induction heating system according to the embodiment of the present invention.
Fig. 5 is a schematic circuit diagram of a charging control unit of the lip induction heating system according to an embodiment of the present invention.
Fig. 6 is a schematic circuit diagram of a charging protection unit of the lip induction heating system according to an embodiment of the present invention.
Fig. 7 is a schematic circuit diagram of a power output control unit of the lip induction heating system according to an embodiment of the present invention.
Fig. 8 is a schematic circuit diagram of a key control unit of the lip induction heating system according to an embodiment of the present invention.
Fig. 9 is a schematic circuit diagram of a vibration motor control unit according to an embodiment of the present invention.
Figure 10 is an exploded view of an electronic cigarette provided by an embodiment of the present invention.
The mark in the above figure is 1, MCU; 2. a power supply unit; 21. a charging control unit; 22. a charging protection unit; 23. a power output control unit; 3. a vibration motor control unit; 4. a key control unit; 5. a lip sensing sensor unit; 6. a temperature sensor; 7. a heating element control unit; 71. a heating element output control unit; 72. a heating element resistance value control unit; 100. a cigarette holder oil bin; 101. discharging the smoke tube; 102. a first touch sheet; 103. a second touch sheet; 104. a heating element anode; 105. a negative electrode of the heating element; 106. an atomization bin; 107. a heating element; 108. an electrode holder; 109. the electrode of the heating element is positive; 110. the electrode of the heating element is negative; 111. a touch electrode positive; 112. the touch electrode is negative; 113. a PCB board; 114. a battery; 115. switching a key; 116. a battery holder; 117. an outer tube; 1161. a first through hole; 1171. a second through hole; 1001. a smoke outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 10, the preferred embodiment of the present invention is provided.
The lip induction heating system provided by the invention is used for automatically heating the electronic cigarette through lip touch induction, and can automatically adjust the temperature in the heating process and avoid smoke oil residue.
Referring to fig. 1, the lip induction heating system provided in this embodiment includes an MCU1 for controlling the lip induction heating system, a lip induction sensor unit 5, a heating element control unit 7, a power supply unit 2, a key control unit 4, and a vibration motor control unit 3 connected to an MCU1, and a heating element 107 connected to the heating element control unit 7 for heating; lip inductive sensor unit 5 transmits the sensing signal that human contact produced to MCU1, MCU1 basis sensing signal sends control signal to heat-generating body the control unit 7 to make heat-generating body the control unit 7 start-up heating heat-generating body 107, power supply unit 2 passes through battery 114 does lip induction heating system provides working power supply, and button the control unit 4 is used for adjusting heating temperature, and vibrating motor the control unit 3 is used for suggestion heating temperature through vibrating motor vibration and reaches the assigned state.
According to the lip induction heating system provided by the technical scheme, by arranging the MCU1, the lip induction sensor unit 5, the heating body control unit 7, the power supply unit 2, the key control unit 4, the vibration motor control unit 3 and the heating body 107, the lip induction sensor unit 5 transmits an induction signal generated by human body contact to the MCU1, the MCU1 sends a control signal to the heating body control unit 7 according to the induction signal so that the heating body control unit 7 starts to heat the heating body 107, the power supply unit 2 provides a working power supply for the lip induction heating system through the battery 114, the heating body control unit 7 adopts a buck-boost circuit design and can rapidly heat the heating body 107, the key control unit 4 is used for adjusting the heating temperature, and the vibration motor control unit 3 is used for prompting the heating temperature to reach an appointed state through vibration of the vibration motor; thereby the unable automatic adjustment's of electron cigarette heating temperature problem has been solved.
As an embodiment of the invention, the model of the MCU1 is M0516 ZDN.
Compared with the prior art, the lip induction heating system provided by the invention has the following advantages:
(1) the constant pressure output controlled by the MCU1 quickly heats the main body of the cigarette holder oil bin 100 to a preset temperature value; the heating body control unit 7 adopts a buck-boost circuit design to meet the requirement of rapid heating;
(2) the constant-pressure output of the MCU1 enables the tobacco tar to be heated uniformly, so that the tobacco tar utilization rate is high, and the user experience is good;
(3) the cigarette holder oil bin 100 accurately controls the temperature through the temperature sensor 6, so that tobacco tar at the periphery and the bottom of the cigarette cup is evaporated through high-temperature heating, and residues are avoided.
Specifically, the basic material of the heating element 107 is stainless steel or zirconia or alumina or zirconia toughened alumina ceramic ZTA, a heating wire is wound outside the heating element 107, the raw material of the heating wire is iron-chromium-aluminum or stainless steel or nickel-chromium alloy or pure nickel or pure titanium, and the heating element 107 is cup-shaped, cylindrical or square.
As an embodiment of the present invention, referring to fig. 2, the lip sensing sensor unit 5 includes a touch detection chip U1, capacitors C1 and C2, a resistor R1, a contact sensor K1, connection points J1 and J2; the contact sensor K1 is a copper sheet contact point and is used for sensing human body contact; the chip U1 is used for human body contact detection; the connection points J1 and J2 are in the synchronous mode when they are on and in the hold mode when they are off; pin 1 of the chip U1 is connected with the input end of the MCU1 and is used for outputting a touch detection signal; pin 2 of chip U1 is grounded; a pin 3 of the chip U1 is respectively connected with one end of a resistor R1 and one end of a capacitor C1, the other end of the resistor R1 is connected with a contact sensor K1, and the other end of the capacitor C1 is grounded; pin 4 of chip U1 connects the one end of tie point J2, and pin 6 of chip U1 connects the one end of tie point J1, and the other end of tie point J2 and the other end of tie point J1 are connected respectively to pin 5 of chip U1, and digital voltage is still connected to the other end of tie point J1, and the one end of electric capacity C2 is connected to the other end of tie point J2, and electric capacity C2's the other end ground connection.
Referring to fig. 1, the heating element control unit 7 includes a heating element output control unit 71 and a heating element resistance value control unit 72, the heating element resistance value control unit 72 is configured to detect the resistance value of the heating element 107 and transmit the detection result to the MCU1, and the MCU1 outputs a control signal to the heating element output control unit 71 according to the detection result, so that the heating element output control unit 71 controls the heating temperature of the heating element 107.
Specifically, referring to fig. 3, the heater output control unit 71 includes a half-bridge driving chip U4, a zener diode D5, capacitors C14, C18, C22, C23, and C24, MOS transistors Q7 and Q8, an inductor L1, and a resistor R24; the chip U4 controls the output power by controlling the high-low bridge output; pin 1 of the chip U4 is respectively connected with the circuit power supply 12V, the cathode of the voltage stabilizing diode D5 and one end of the capacitor C18, and the other end of the capacitor C18 is grounded; pin 2 of the chip U4 is respectively connected with the cathode of the voltage stabilizing diode D5 and one end of the capacitor C14; pin 3 of the chip U4 is connected with pin 4 of the MOS transistor Q8; pin 4 of chip U4 is connected to the other end of capacitor C14 and pin 8 of MOS transistor Q7, pin 8 of MOS transistor Q7 is also connected to pin 3 of MOS transistor Q8 and pin 7 of MOS transistor Q7, pin 2 of MOS transistor Q8 and pin 6 of MOS transistor Q7, pin 1 of MOS transistor Q8 and pin 5 of MOS transistor Q7, and then connected to one end of inductor L1, the other end of inductor L1 is connected to a voltage output terminal, after pin 8, pin 7, pin 6 and pin 5 of MOS transistor Q8 are connected, one end is connected to the voltage output terminal, the other end is connected to one end of capacitor C22, capacitor C23 and capacitor C24, the other end of capacitor C22 is grounded, the other end of capacitor C23 is grounded, and the other end of capacitor C24 is grounded; pin 10 of the chip U4 is connected with pin 4 of MOS tube Q7, and pin 1, pin 2 and pin 3 of MOS tube Q7 are connected and then grounded; pin 5 of chip U4 is empty; pin 9 of chip U4 is grounded; pin 8 and pin 7 of the chip U4 are respectively connected with the control signal output end of the MCU 1; pin 6 of the chip U4 is connected to one end of the resistor R24, and the other end of the resistor R24 is grounded.
Specifically, referring to fig. 4, the heat generating body resistance value control unit 72 includes a current detection chip U6, resistors R33, R34, R36, R37, and R38, capacitors C20, C31, C35, and C36; the chip U6 calculates the resistance value of the load by detecting the current; pin 1 and pin 2 of the chip U6 are connected and then grounded; pin 3 of the chip U6 is connected with one end of a capacitor C35 and one end of a capacitor C36 respectively, one end of the capacitor C36 is also connected with one end of a resistor R38, the other end of the resistor R38 is connected with a circuit power supply 12V, the other end of the capacitor C35 is grounded, and the other end of the capacitor C36 is grounded; a pin 4 of the chip U6 is respectively connected with one end of a capacitor C20 and one end of a resistor R34, and the other end of the resistor R34 is respectively connected with one end of a resistor R36 and a voltage output end; a pin 5 of the chip U6 is respectively connected with the other end of the capacitor C20 and one end of the resistor R33, and the other end of the resistor R33 is respectively connected with a control signal output end of the MCU1 and the other end of the resistor R36; the pin 6 of the chip U6 is connected to one end of the resistor R37, the other end of the resistor R37 is connected to the current output terminal of the heater 107 and one end of the capacitor C31, and the other end of the capacitor C31 is grounded.
Referring to fig. 1, the power supply unit 2 includes a charge control unit 21, a charge protection unit 22, and a power output control unit 23, wherein the charge control unit 21 controls charging of the battery 114, the charge protection unit 22 protects charging and discharging of the battery 114, and the power output control unit 23 controls a voltage output by the battery 114.
Specifically, referring to fig. 5, the charge control unit 21 includes a charge chip U9, an inductor L3, capacitors C33 and C34, and resistors R29 and R30; pin 1 of chip U9 is connected to the positive electrode of battery 114, pin 2 of chip U9 is grounded, pin 3 of chip U9 is connected to one end of resistor R29, the other end of resistor R29 is grounded, pin 4 of chip U9 is connected to the charging control terminal of MCU1 and one end of resistor R30 respectively, the other end of resistor R30 is connected to the circuit voltage of MCU1, pin 9 of chip U9 is grounded, pin 5 of chip U9 is connected to one end of capacitor C33 and one end of capacitor C34 respectively and then connected to USB voltage VBUS, pin 6 of chip U9 is grounded, pin 7 of chip U9 is connected to one end of inductor L3, the other end of inductor L3 is connected to the positive electrode of battery 114, and pin 8 of chip U9 is grounded.
Specifically, referring to fig. 6, the charge protection unit 22 includes an overvoltage protection chip U7, a capacitor C17, a zener diode D2, resistors R12, R15, R4, and R5; pin 5 of chip U7 is connected to one end of resistor R12 and one end of capacitor C17, the other end of resistor R12 is connected to pin 4 of chip U7 and then connected to voltage input terminal VIN, the other end of capacitor C17 is connected to pin 6 of chip U7 and then connected to ground, pin 3 of chip U7 is connected to USB voltage VBUS, pin 2 of chip U7 is connected to charge control terminal CHARG-EN of MCU1, one end of resistor R4 and one end of resistor R5, the other end of resistor R5 is connected to ground, the other end of resistor R4 is connected to the other end of resistor R15 and the negative electrode of zener diode D2, the positive electrode of zener diode D2 is connected to ground, the other end of resistor R15 is connected to voltage input terminal VIN, and pin 1 of chip U7 is connected to ground.
Specifically, referring to fig. 7, the power output control unit 23 is for ensuring the stability of the output voltage of the battery 114, and thus makes the output power not affected by the voltage decrease of the battery 114, since the output power is affected when the output voltage of the battery 114 is decreased. The power output control unit comprises a boosting chip U8, a MOS transistor Q11, a triode Q13, a voltage stabilizing diode D8, capacitors C37, C38, C39 and C41, resistors R44, R47, R42, R40 and R41 and an inductor L2; pin 2 of chip U8 is grounded, pin 4 of chip U8 is connected to pin 5 of chip U8, one end of resistor R42 and one end of capacitor C41, the other end of capacitor C41 is grounded, pin 3 of MOS transistor Q11 is connected to positive BAT + of battery 114 and one end of resistor R39, the other end of resistor R39 is connected to pin 1 of MOS transistor Q11 and collector of transistor Q13, emitter of transistor Q13 is grounded, base of transistor Q13 is connected to one end of resistor R44, the other end of resistor R44 is connected to POWER control terminal POWER-CTL of MCU1, pin 2 of MOS transistor Q11 is connected to one end of capacitor C37, the other end of resistor R42 and voltage BAT-DET-VCC of battery 114 are connected respectively, then to one end of inductor L367, the other end of inductor L2 is connected to pin 1 of chip U8 and positive pole of zener diode D8, and the negative pole of zener diode D8 is connected to one end of capacitor C22, one end of the capacitor C38 is further connected to one end of the capacitor C39 and the circuit voltage 12V, respectively, the other end of the capacitor C39 is grounded, the other end of the capacitor C38 is grounded, the other end of the resistor R40 is connected to the pin 3 of the chip U8 and one end of the resistor R41, respectively, and the other end of the resistor R41 is grounded.
Preferably, transistor Q13 is NPN type.
Referring to fig. 1, as an embodiment of the present invention, the lip induction heating system further includes a temperature sensor 6, the temperature sensor 6 is a thermistor, and the temperature sensor 6 is configured to detect a temperature signal and transmit the temperature signal to the MCU 1.
As an embodiment of the present invention, referring to fig. 8, the key control unit 4 includes keys S1, S2, and S3, resistors R23, R27, and R28; one end of the KEY S1 is respectively connected with one end of the resistor R28 and the control end KEY-OUT of the MCU1, one end of the KEY S2 is respectively connected with one end of the resistor R27 and the control end KEY-ADD of the MCU1, one end of the KEY S3 is respectively connected with one end of the resistor R23 and the control end KEY-DEC of the MCU1, the other ends of the resistor R23, the resistor R27 and the resistor R28 are connected and then connected with the circuit voltage of the MCU1, and the other ends of the KEY S1, the KEY S2 and the KEY S3 are connected and then grounded. When the contacts of the keys S1, S2 and S3 are connected or disconnected, the MCU1 detects signals of the contacts of the keys S1, S2 and S3 through the control terminal of the MCU1, so as to make corresponding indications: the control terminal KEY-OUT of the MCU1 indicates that the temperature rise is stopped, the control terminal KEY-ADD of the MCU1 indicates that the temperature is increased, and the control terminal KEY-DEC of the MCU1 indicates that the temperature is decreased.
Referring to fig. 9, the vibration motor control unit 3 includes a vibration motor T1, a zener diode D6, a capacitor C32, a transistor Q5, and a resistor R35, wherein one end of the resistor R35 is connected to a control end of the MCU1, the other end of the resistor R35 is connected to a base of the transistor Q5, an emitter of the transistor Q5 is grounded, a collector of the transistor Q5 is connected to one end of the vibration motor T1, an anode of the zener diode D6, and one end of the capacitor C32, and the other end of the capacitor C32, a cathode of the zener diode D6, and the other end of the vibration motor T1 are connected to a power supply of the battery 114.
Preferably, transistor Q5 is NPN type.
The invention also provides an electronic cigarette which comprises the lip induction heating system.
Referring to fig. 10, the electronic cigarette includes a cigarette holder oil bin 100, an outer tube 117, a battery 114, a battery holder 116, a smoke outlet tube 101, a first touch sheet 102, a second touch sheet 103, a heating element positive electrode 104, a heating element negative electrode 105, a heating element 107, an atomization bin 106, an electrode holder 108, a heating element positive electrode 109, a heating element negative electrode 110, a touch electrode positive 111, a touch electrode negative 112, a switch button 115, a PCB 113, an MCU1, a lip sensing sensor unit 5, a heating element output control unit 71, a heating element resistance control unit 72, a charge control unit 21, a charge protection unit 22, a power output control unit 23, a temperature sensor 6, a button control unit 4, and a vibration motor control unit 3, which are disposed on the PCB 113.
The bottom of the battery support 116 is provided with a first through hole 1161 for installing the electrode support 108; the outer tube 117 is provided with a second through hole 1171 on the surface for installing a switch button 115, when the switch button 115 is pressed, the PCB 113 is communicated with the battery 114, when the switch button 115 is popped up, the PCB 113 is disconnected from the battery 114, the battery 114 and the PCB 113 are placed in the battery holder 116, the PCB 113 is electrically connected with the battery 114 and the switch button 115, the atomization chamber 106 is placed on the electrode holder 108, the heating element electrode anode 109, the heating element electrode cathode 110, the touch electrode anode 111, the touch electrode cathode 112 are electrically connected with the PCB 113, the heating element 107 is electrically connected with the heating element electrode anode 109, the heating element electrode cathode 110, the heating element anode 104, and the heating element cathode 105, the first touch sheet 102 and the second touch sheet 103 are located on the two sides of the smoke outlet tube 101 and are respectively connected with the touch electrode anode 111 and the touch electrode cathode 112, the heating element 107 is located between the smoke outlet tube 101 and the atomization chamber 106, the atomization chamber 106 is located on the, the outer tube 117 is sleeved outside the battery holder 116, and the cigarette holder oil bin 100 is embedded in the upper end of the outer tube 117, so that an opening at one end of the smoke outlet tube 101 is opposite to the smoke outlet 1001 at the upper end of the cigarette holder oil bin 100.
The embodiments of the present invention have been described in detail, but the invention is not limited to the embodiments, and those skilled in the art can make many equivalent modifications or substitutions without departing from the spirit of the present invention, and the equivalents or substitutions are included in the scope of protection defined by the claims of the present application.
Claims (10)
1. A lip induction heating system is characterized by comprising an MCU (microprogrammed control unit) for controlling the lip induction heating system, a lip induction sensor unit and a heating body control unit which are connected with the MCU, and a heating body which is connected with the heating body control unit and is used for heating; the lip induction sensor unit transmits induction signals generated by human body contact to the MCU, and the MCU sends control signals to the heating body control unit according to the induction signals so that the heating body control unit starts heating the heating body.
2. The lip induction heating system according to claim 1, wherein the heating body control unit includes a heating body output control unit and a heating body resistance value control unit, the heating body resistance value control unit is used for detecting the resistance value of the heating body and transmitting the detection result to the MCU, and the MCU outputs a control signal to the heating body output control unit according to the detection result, so that the heating body output control unit controls the heating temperature of the heating body.
3. The lip induction heating system according to claim 1, further comprising a power supply unit, a key control unit, a vibration motor unit and a temperature sensor connected to the MCU, wherein the power supply unit provides a working power supply to the lip induction heating system through a battery, the key control unit is used to adjust a heating temperature, the vibration motor control unit is used to prompt the heating temperature to reach a designated state through vibration of the vibration motor, the temperature sensor is a thermistor, and the temperature sensor is used to detect a temperature signal and transmit the temperature signal to the MCU.
4. The lip induction heating system according to claim 1, wherein the lip induction sensor unit comprises a touch detection chip U1, capacitors C1 and C2, a resistor R1, a touch sensor K1, connection points J1 and J2; the contact sensor K1 is a copper sheet contact point and is used for sensing human body contact; the touch detection chip U1 is used for human body contact detection; the connection points J1 and J2 are in a synchronous mode when being switched on and in a holding mode when being switched off; pin 1 of the chip U1 is connected with the input end of the MCU and used for outputting a touch detection signal; pin 2 of the chip U1 is grounded; the pin 3 of the chip U1 is respectively connected with one end of the resistor R1 and one end of the capacitor C1, the other end of the resistor R1 is connected with the contact sensor K1, and the other end of the capacitor C1 is grounded; pin 4 of the chip U1 is connected with one end of the connection point J2, pin 6 of the chip U1 is connected with one end of the connection point J1, pin 5 of the chip U1 is connected with the other end of the connection point J2 and the other end of the connection point J1 respectively, the other end of the connection point J1 is also connected with digital voltage, the other end of the connection point J2 is connected with one end of the capacitor C2, and the other end of the capacitor C2 is grounded.
5. The lip induction heating system according to claim 2, wherein the heater output control unit comprises a half-bridge driving chip U4, a zener diode D5, capacitors C14, C18, C22, C23 and C24, MOS transistors Q7 and Q8, an inductor L1, a resistor R24; the chip U4 controls the output power by controlling the high-low bridge output; pin 1 of the chip U4 is respectively connected with a circuit power supply 12V, the cathode of the zener diode D5 and one end of the capacitor C18, and the other end of the capacitor C18 is grounded; pin 2 of the chip U4 is respectively connected with the cathode of the zener diode D5 and one end of the capacitor C14; pin 3 of the chip U4 is connected with pin 4 of the MOS transistor Q8; pin 4 of the chip U4 is connected to the other end of the capacitor C14 and pin 8 of the MOS transistor Q7, pin 8 of the MOS transistor Q7 is further connected to pin 3 of the MOS transistor Q8 and pin 7 of the MOS transistor Q7, pin 2 of the MOS transistor Q8 and pin 6 of the MOS transistor Q7, pin 1 of the MOS transistor Q8 and pin 5 of the MOS transistor Q7, respectively, and then connected to one end of the inductor L1, the other end of the inductor L1 is connected to a voltage output terminal, after pin 8, pin 7, pin 6, and pin 5 of the MOS transistor Q8 are connected, one end of the inductor is connected to the voltage output terminal, the other end of the inductor is connected to one end of the capacitor C22, the capacitor C23, and the capacitor C24, the other end of the capacitor C22 is grounded, the other end of the capacitor C23 is grounded, and the other end of the capacitor C24 is grounded; a pin 10 of the chip U4 is connected with a pin 4 of the MOS tube Q7, and a pin 1, a pin 2 and a pin 3 of the MOS tube Q7 are connected and then grounded; pin 5 of the chip U4 is a hollow pin; pin 9 of the chip U4 is grounded; a pin 8 and a pin 7 of the chip U4 are respectively connected with a control signal output end of the MCU; the pin 6 of the chip U4 is connected to one end of the resistor R24, and the other end of the resistor R24 is grounded.
6. The lip induction heating system of claim 2, wherein the heating body resistance value control unit comprises a current detection chip U6, resistors R33, R34, R36, R37 and R38, capacitors C20, C31, C35 and C36; the chip U6 calculates the resistance value of the load by detecting the current; pin 1 and pin 2 of the chip U6 are connected and then grounded; the pin 3 of the chip U6 is respectively connected with one end of the capacitor C35 and one end of the capacitor C36, one end of the capacitor C36 is further connected with one end of the resistor R38, the other end of the resistor R38 is connected with a circuit power supply 12V, the other end of the capacitor C35 is grounded, and the other end of the capacitor C36 is grounded; the pin 4 of the chip U6 is respectively connected with one end of the capacitor C20 and one end of the resistor R34, and the other end of the resistor R34 is respectively connected with one end of the resistor R36 and a voltage output end; a pin 5 of the chip U6 is respectively connected with the other end of the capacitor C20 and one end of the resistor R33, and the other end of the resistor R33 is respectively connected with a control signal output end of the MCU and the other end of the resistor R36; the pin 6 of the chip U6 is connected with one end of the resistor R37, the other end of the resistor R37 is respectively connected with the current output end of the heating element and one end of the capacitor C31, and the other end of the capacitor C31 is grounded.
7. The lip induction heating system according to claim 3, wherein the power supply unit comprises a charge control unit for controlling charging of the battery, a charge protection unit for protecting charging and discharging of the battery, and a power output control unit for controlling a voltage output from the battery.
8. A lip induction heating system according to claim 3, wherein said button control unit comprises buttons S1, S2 and S3, resistors R23, R27 and R28; the one end of button S1 is connected respectively resistance R28 ' S one end with MCU ' S control end, the one end of button S2 is connected respectively resistance R27 ' S one end with MCU ' S control end, the one end of button S3 is connected respectively resistance R23 ' S one end with MCU ' S control end, resistance R23 resistance R27 and resistance R28 ' S the other end connects after linking to each other MCU ' S circuit voltage, button S1 button S2 and button S3 ' S the other end ground connection after linking to each other.
9. A lip induction heating system according to claim 3, wherein said vibration motor control unit comprises a vibration motor T1, a zener diode D6, a capacitor C32, a transistor Q5 and a resistor R35, one end of said resistor R35 is connected to the control end of said MCU, the other end of said resistor R35 is connected to the base of said transistor Q5, the emitter of said transistor Q5 is grounded, the collector of said transistor Q5 is connected to one end of said vibration motor T1, the anode of said zener diode D6 and one end of said capacitor C32, the other end of said capacitor C32, the cathode of said zener diode D6 and the other end of said vibration motor T1 are connected to a battery power source.
10. An electronic cigarette, characterized in that it comprises a lip induction heating system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408205.2A CN110946336A (en) | 2019-12-31 | 2019-12-31 | Lip induction heating system and electron cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408205.2A CN110946336A (en) | 2019-12-31 | 2019-12-31 | Lip induction heating system and electron cigarette |
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| Publication Number | Publication Date |
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| CN110946336A true CN110946336A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911408205.2A Pending CN110946336A (en) | 2019-12-31 | 2019-12-31 | Lip induction heating system and electron cigarette |
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| CN (1) | CN110946336A (en) |
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| CN112841748A (en) * | 2021-04-14 | 2021-05-28 | 深圳市讴可电子科技有限公司 | Control method for electronic cigarette and electronic cigarette |
| EP3937342A1 (en) * | 2020-07-09 | 2022-01-12 | Japan Tobacco Inc. | Power supply unit for aerosol generation device |
| CN114209095A (en) * | 2021-12-30 | 2022-03-22 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electronic device |
| CN114209094A (en) * | 2021-12-30 | 2022-03-22 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electron cigarette |
| CN114223956A (en) * | 2021-12-30 | 2022-03-25 | 西安稳先半导体科技有限责任公司 | Cigarette bullet and electron cigarette |
| CN114376270A (en) * | 2021-12-30 | 2022-04-22 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electron cigarette |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3937342A1 (en) * | 2020-07-09 | 2022-01-12 | Japan Tobacco Inc. | Power supply unit for aerosol generation device |
| US11246351B2 (en) | 2020-07-09 | 2022-02-15 | Japan Tobacco Inc. | Power supply unit for aerosol generation device |
| CN112841748A (en) * | 2021-04-14 | 2021-05-28 | 深圳市讴可电子科技有限公司 | Control method for electronic cigarette and electronic cigarette |
| CN112841748B (en) * | 2021-04-14 | 2023-11-28 | 深圳市讴可电子科技有限公司 | Control method for electronic cigarette and electronic cigarette |
| CN114209095A (en) * | 2021-12-30 | 2022-03-22 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electronic device |
| CN114209094A (en) * | 2021-12-30 | 2022-03-22 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electron cigarette |
| CN114223956A (en) * | 2021-12-30 | 2022-03-25 | 西安稳先半导体科技有限责任公司 | Cigarette bullet and electron cigarette |
| CN114376270A (en) * | 2021-12-30 | 2022-04-22 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electron cigarette |
| CN114209095B (en) * | 2021-12-30 | 2024-04-26 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electronic device |
| CN114223956B (en) * | 2021-12-30 | 2024-04-26 | 西安稳先半导体科技有限责任公司 | Cigarette bullet and electron cigarette |
| CN114376270B (en) * | 2021-12-30 | 2024-04-26 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electronic cigarette |
| CN114209094B (en) * | 2021-12-30 | 2024-04-26 | 西安稳先半导体科技有限责任公司 | Battery protection circuit, battery pack and electronic cigarette |
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