CN212325384U

CN212325384U - Temp. controllable smoking set

Info

Publication number: CN212325384U
Application number: CN202021636135.4U
Authority: CN
Inventors: 林光榕; 郑贤彬; 张夕勇
Original assignee: Shenzhen Happy Vaping Technology Ltd
Current assignee: Shenzhen Happy Vaping Technology Ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-01-12
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a controllable temperature toasts smoking set, including heating element and battery pack, heating element includes heating element, battery pack includes the battery, circuit control panel and starting switch, circuit control panel includes control circuit, the last microcontroller that is equipped with of control circuit, the pressure regulating unit who is connected with microcontroller electricity, resistance detecting element and gravity sensor, microcontroller includes gesture signal processing unit and timing unit, the voltage regulating unit exports different voltages to heating element after adjusting battery voltage, resistance detecting element is used for detecting heating element's resistance, microcontroller judges whether smoking according to the signal that resistance changes, gravity sensor detects the gesture signal of smoking action, timing unit carries out time statistics to different smoking states respectively; the smoking set has the beneficial effects that the power loss of the battery can be reduced, the loss of tobacco is reduced, the cigarette utilization time is prolonged, the tobacco is prevented from being burnt or burnt, and the use experience of a user is improved.

Description

Temp. controllable smoking set

Technical Field

The utility model relates to a technical field of the baking smoking set, more specifically the utility model relates to a controllable temperature's baking smoking set.

Background

A smoking article generally includes a heating assembly and a battery assembly for controlling the heating assembly and for providing power to the heating assembly. The heating component comprises a heating element, and the heating element can bake the cigarette with the tobacco to emit smoke for a user to suck. Compared with the smoke generated after the open fire combustion of tobacco, the smoke generated by baking reduces a plurality of harmful substances such as tar, carbon monoxide, particulate matters and the like, so the mode of smoking by using the baking smoking set is popular among people.

In the existing smoking set, after a user turns on a starting switch, a heating element heats to a normal smoking temperature, but the temperature of the existing smoking set is always kept at the working temperature of a smoking state no matter whether the user smokes, and the power loss of a battery is very large. In addition, when a user does not smoke, the cigarette is always in a baking state, tobacco in the cigarette is still in loss, so that the time for the cigarette to be really utilized is shortened, the smoke cannot be discharged when the baking time is long, and when the user smokes, the tobacco in the cigarette is easy to generate scorched flavor and burnt flavor, so that poor use experience is caused for the user.

Disclosure of Invention

The utility model aims to provide a temperature-controllable baking smoking set for overcoming the defects of the technology.

The technical scheme of the utility model is realized like this: the utility model provides a controllable temperature toasts smoking set, includes heating element and battery pack, heating element is including being used for toasting the heating element that props up, battery pack includes battery, circuit control panel and starting switch, the battery is used for providing power for heating element and control circuit, the circuit control panel includes control circuit, last microcontroller, the voltage regulating unit, the resistance detecting element and the gravity sensor who is connected with microcontroller electricity of being equipped with of control circuit, microcontroller includes gesture signal processing unit and timing unit, the voltage regulating unit with battery voltage is connected and is adjusted the back and export different voltages for heating element, resistance detecting element is used for detecting heating element's resistance, microcontroller basis the heating temperature that resistance confirms corresponds is according to, microcontroller still according to the resistance does not have the signal that changes and sends cooling control signal, the gravity sensor is electrically connected with the gesture signal processing unit, the gravity sensor detects gesture signals of smoking actions and transmits the gesture signals to the gesture signal processing unit, the gesture signal processing unit sends temperature rise control signals according to the gesture signals, and the timing unit carries out time statistics on different smoking states respectively.

Preferably, the control circuit is further provided with a boosting power supply unit, the boosting power supply unit is electrically connected with the battery and the voltage regulating unit, and the boosting power supply unit boosts the voltage of the battery and outputs the boosted voltage to the voltage regulating unit.

Preferably, the control circuit is further provided with a control power supply unit electrically connected with the battery, and the control power supply unit outputs control voltage after regulating the voltage of the battery.

Preferably, the control circuit is further provided with a control power switch unit electrically connected with the battery and the microcontroller, and the control power switch unit is controlled by the microcontroller to switch and control the voltages input by the battery and the control power switch unit and then output the voltages respectively.

Preferably, the control circuit is further provided with a PCB temperature detection unit electrically connected with the microcontroller, and the PCB temperature detection unit is used for detecting a temperature signal of the circuit control board and transmitting the temperature signal to the microcontroller for circuit protection.

Preferably, a battery temperature detection unit electrically connected with the microcontroller is further arranged on the control circuit, and the battery temperature detection unit is used for detecting a temperature signal of the battery and transmitting the temperature signal to the microcontroller for protection against high temperature of the battery.

Preferably, the microcontroller comprises a chip MCU and a connection circuit thereof, the chip MCU comprises 28 pins, wherein the 2 nd pin is connected with a control power supply enable signal terminal VCC-EN, the 3 rd pin is connected with a control voltage power supply terminal VDD, the 4 th pin is grounded, the 5 th pin is connected with a chip MCU reset signal terminal MCU-RST, the 6 th pin is connected with an output voltage detection signal terminal VOUT-DET, the 7 th pin is connected with a battery voltage detection signal terminal BAT-DET, the 10 th pin is connected with a current detection signal terminal I-DET, the 12 th pin is connected with a vibration prompt control enable signal terminal M-EN, the 14 th pin is connected with a start switch signal terminal KEY, the 15 th pin is connected with a blue indicator light signal terminal RGB-B, the 16 th pin is connected with a green indicator light signal terminal RGB-G, the 17 th pin is connected with a red indicator light signal terminal RGB-R, the 20 th pin is connected with a data burning signal end SWDIO, the 21 st pin is connected with a data burning clock signal end SWCLK, the 23 rd pin is connected with a gravity sensor data signal end SDA, the 24 th pin is connected with a gravity sensor data reading control signal end INT, the 25 th pin is connected with a gravity sensor communication clock signal end SCL, the 26 th pin is connected with a boost control signal end PWM-UP, the 27 th pin is connected with an output voltage enabling control signal end PWM-EN, and the 28 th pin is connected with a buck control signal end PWM-DOWN.

Preferably, the 8 th pin of the chip MCU is connected with a PCB temperature detection signal terminal PCB-TEMP, and the 9 th pin is connected with a battery temperature detection signal terminal BAT-TEMP.

Preferably, the output voltage detection signal terminal VOUT-DET is simultaneously connected to one terminal of a capacitor C1, one terminal of a resistor R1 and one terminal of a resistor R2, the other terminal of the resistor R1 is connected to the output voltage signal terminal PWM-OUT, and the other terminal of the resistor R2 and the other terminal of the capacitor C1 are simultaneously grounded;

the battery voltage detection signal terminal BAT-DET is simultaneously connected with one end of a capacitor C2, one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R9 is connected with a battery control voltage terminal BAT-CTRL, and the other end of the resistor R10 and the other end of the capacitor C2 are simultaneously grounded;

the starting switch signal end KEY is simultaneously connected with one end of a resistor R14 and one end of a starting switch, the other end of the resistor R14 is connected with a control voltage supply end VDD, and the other end of the starting switch is grounded;

the reset signal end MCU-RST of the chip MCU is connected with one end of a capacitor C6, and the other end of the capacitor C6 is grounded.

Preferably, the resistance value detection unit includes a chip U8, the chip U8 includes 6 pins, wherein the 1 st pin and the 2 nd pin are grounded simultaneously, the 3 rd pin is connected to one end of a capacitor C24 and one end of a resistor R32 simultaneously, the other end of the capacitor C24 is grounded, and the other end of the resistor R32 is connected to a power supply signal terminal VCC-B of the voltage regulation unit; the 4 th pin is simultaneously connected with one end of a capacitor C25 and one end of a resistor R34, the other end of the resistor R34 is simultaneously connected with one end of a sampling resistor R35 and an output voltage signal end PWM-OUT, the 5 th pin is simultaneously connected with the other end of the capacitor C25 and one end of a resistor R36, the other end of the resistor R36 is simultaneously connected with the other end of the sampling resistor R35 and one end of a heating element, the other end of the heating element is grounded, the 6 th pin is connected with one end of the resistor R37, the other end of the resistor R37 is simultaneously connected with one end of the capacitor C29 and a current detection signal end I-DET, the other end of the capacitor C29 is grounded, the resistance value detection unit detects the resistance of the heating element by detecting the current flowing through the sampling resistor R35, the heating element is a thermistor, and the resistance value of the heating element corresponds to the.

Preferably, the gravity sensor comprises a chip U6, the chip U6 comprises 12 pins, wherein the 1 st pin is simultaneously connected to one end of a resistor R30 as a gravity sensor communication clock signal terminal SCL, the 3 rd pin is grounded, the 4 th pin is simultaneously connected to one end of a resistor R29 as a gravity sensor data signal terminal SDA, the other end of the resistor R29 is simultaneously connected to the other end of the resistor R30, one end of a capacitor C26, the 9 th pin, the 10 th pin and a control voltage supply terminal VDD, the 6 th pin, the 7 th pin, the 8 th pin and the other end of the capacitor C26 are simultaneously grounded, and the 12 th pin is used as a gravity sensor data reading control signal terminal INT.

Preferably, the voltage regulation unit includes a chip U4 and a chip U5, the chip U4 and the chip U5 respectively include 8 pins, the 1 st pin of the chip U4 is connected to the cathode of the diode D4 and one end of the capacitor C21, the anode of the diode D4 is connected to one ends of the voltage regulation unit power supply signal terminal VCC-B and the capacitor C15, the other end of the capacitor C15 is grounded, the 2 nd pin of the chip U4 is connected to one ends of the buck control signal terminal PWM-DOWN and the resistor R22, the other end of the resistor R22 is grounded, the 3 rd pin of the chip U4 is connected to the output voltage enable control signal terminal PWM-EN, the 4 th pin of the chip U4 is connected to the voltage regulation unit power supply signal terminal VCC-B, the 5 th pin of the chip U4 is connected to one end of the resistor R26, the other end of the resistor R26 is connected to the G pole of the MOS transistor Q6, and the S pole of the MOS transistor Q6 is grounded, the 6 th pin of the chip U4 is grounded, the 8 th pin of the chip U4 is connected with one end of a resistor R25, the other end of the resistor R25 is connected with the G pole of a MOS tube Q5, the D pole of the MOS tube Q5 is connected with the positive electrode BAT + of a battery, and the 7 th pin of the chip U4 is simultaneously connected with the other end of the capacitor C21, the S pole of the MOS tube Q5, the D pole of the MOS tube Q6 and one end of an inductor L2;

the 1 st pin of the chip U5 is connected with the cathode of the diode D5 and one end of the capacitor C22 at the same time, the anode of the diode D5 is connected with one end of the voltage regulating unit power supply signal terminal VCC-B and one end of the capacitor C16 at the same time, the other end of the capacitor C16 is grounded, the 2 nd pin of the chip U5 is connected with one end of the voltage boost control signal terminal PWM-UP and the resistor R21 at the same time, the other end of the resistor R21 is grounded, the 3 rd pin of the chip U5 is connected with one end of the output voltage enable control signal terminal PWM-EN and the resistor R23 at the same time, the other end of the resistor R23 is grounded, the 4 th pin of the chip U5 is connected with the voltage regulating unit power supply signal terminal VCC-B, the 5 th pin of the chip U5 is connected with one end of the resistor R28, the other end of the resistor R28 is connected with the G pole of the MOS tube Q8, the S pole of, the 8 th pin of the chip U5 is connected with one end of a resistor R27, the other end of the resistor R27 is connected with the G pole of a MOS tube Q7, the D pole of the MOS tube Q7 is connected with an output voltage signal end PWM-OUT, and the 7 th pin of the chip U5 is simultaneously connected with the other end of the capacitor C22, the S pole of the MOS tube Q7, the D pole of the MOS tube Q8 and the other end of the inductor L2.

Preferably, the boost power supply unit includes a chip U2, the chip U2 includes 6 pins, wherein the 1 st pin is connected to one end of an inductor L1 and an anode of a diode D2, the other end of the inductor L1 is connected to one end of a resistor R12, one end of a capacitor C5, a 4 th pin and a 5 th pin, the other end of the resistor R12 is connected to a battery control voltage terminal BAT-CTRL, the other end of the capacitor C5 is connected to ground and a 2 nd pin, the cathode of the diode D2 is connected to one end of a resistor R15, one end of a capacitor C7 and a regulator unit power supply signal terminal VCC-B, the other end of the resistor R15 is connected to one end of a 3 rd pin and a resistor R16, and the other end of the resistor R16 and the other end of the capacitor C7 are connected to ground.

Preferably, the control power supply unit includes a chip U3, the chip U3 includes 3 pins, wherein the 1 st pin is connected to one end of a capacitor C11, a capacitor C12 and a resistor R20, the other ends of the capacitor C11 and the capacitor C12 are grounded, the other end of the resistor R20 is connected to a positive electrode BAT + of the battery, the 2 nd pin is connected to one end of a capacitor C8, a capacitor C9 and a capacitor C10 and then grounded, and the 3 rd pin is connected to the other ends of a capacitor C8, a capacitor C9 and a capacitor C10 and serves as a control voltage supply terminal VDD to output the control voltage.

Preferably, the control power switch unit includes a control power enable signal terminal VCC-EN connected to the microcontroller, a MOS transistor Q1, a MOS transistor Q2, and a transistor Q3, the control power enable signal terminal VCC-EN is simultaneously connected to one end of a resistor R7 and one end of a resistor R8, the other end of the resistor R7 is connected to a base B of the transistor Q3, and the other end of the resistor R8 is connected to an emitter E of the transistor Q3 and then grounded;

the MOS transistor Q2 has an S pole connected with a control voltage supply end VDD, a D pole connected with a control voltage output end VDD-CTRL, a G pole connected with one end of a resistor R6, the other end of the resistor R6 is simultaneously connected with one end of a resistor R4 and the anode of a diode D1, the other end of the resistor R4 is connected with the control voltage supply end VDD, and the cathode of the diode D1 is connected with a collector C of the triode Q3;

the MOS transistor Q1 has an S pole connected to the positive electrode BAT + of the battery, a D pole connected to the battery control voltage terminal BAT-CTRL, a G pole connected to one end of a resistor R5, the other end of the resistor R5 connected to one end of a resistor R3 and the cathode of the diode D1, and the other end of the resistor R3 connected to the positive electrode BAT + of the battery.

Preferably, the PCB temperature detection unit includes a PCB temperature detection signal terminal PCB-TEMP, the PCB temperature detection signal terminal PCB-TEMP is simultaneously connected to one end of the capacitor C3, one end of the resistor R11 and one end of the thermistor RT1, the other end of the resistor R11 is connected to the control voltage output terminal VDD-CTRL, and the other end of the thermistor RT1 and the other end of the capacitor C3 are simultaneously grounded.

Preferably, the battery temperature detection unit comprises a battery temperature detection signal terminal BAT-TEMP, the battery temperature detection signal terminal BAT-TEMP is simultaneously connected with one end of a capacitor C4, one end of a resistor R13 and one end of a thermistor RT2, the other end of the resistor R13 is connected with a control voltage output terminal VDD-CTRL, and the other end of the thermistor RT2 and the other end of the capacitor C4 are simultaneously grounded.

The utility model has the advantages as follows: the utility model discloses controllable temperature toasts smoking set is equipped with pressure regulating unit, microcontroller, resistance detecting element, gravity sensor and timing unit etc. whether resistance detecting element detectable user is smoking so that microcontroller judges whether need cool down, the gesture signal of gravity sensor detectable smoking action so that microcontroller judges in advance whether the user has the action of preparing the smoking and need heat up in advance, the outputable different voltage of pressure regulating unit so that keep different heating temperature. Therefore, when a user smokes normally, the heating temperature of the user can be kept at the working temperature, and when the user does not smoke for a long time, the heating temperature can be reduced to the standby temperature to enter the standby state, and once the gesture signal of the smoking action of the user is detected, the heating temperature can be rapidly increased to the working temperature capable of smoking. Like this, when the user does not smoke for a long time, can reduce the temperature to standby temperature, can reduce battery power loss, but also the loss of reducible tobacco prolongs a cigarette and utilizes the time, avoids tobacco to produce burnt flavor or burnt flavor, and can heat up in advance fast when the user prepares to smoke and guarantee that the user sucks smog fast, promotes user's use and experiences.

Drawings

FIG. 1 is a schematic cross-sectional view of a baking smoking article of the present invention;

fig. 2 is a first functional block diagram of the control circuit of the present invention;

fig. 3 is a second functional block diagram of the control circuit of the present invention;

fig. 4 is a circuit diagram of the microcontroller chip MCU of the present invention;

fig. 5 is a circuit diagram of the output voltage detection of the present invention;

fig. 6 is a circuit diagram of the battery voltage detection of the present invention;

fig. 7 is a circuit diagram of the start switch signal detection circuit of the present invention;

FIG. 8 is a circuit diagram of the reset circuit of the MCU of the present invention;

fig. 9 is a circuit diagram of the PCB temperature detection of the present invention;

fig. 10 is a circuit diagram of the battery temperature detection of the present invention;

FIG. 11 is a circuit diagram of the resistance detection unit of the present invention;

fig. 12 is a circuit diagram of a gravity sensor of the present invention;

fig. 13 is a circuit diagram of the voltage regulating unit of the present invention;

fig. 14 is a circuit diagram of the boost power supply unit of the present invention;

fig. 15 is a circuit diagram of a control power supply unit of the present invention;

fig. 16 is a circuit diagram of the control power switch unit of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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.

Example (b):

as shown in figure 1, the utility model discloses controllable temperature toasts smoking set 1, including heating element and battery pack, heating element includes the heating element R who is used for toasting a cigarette 2, and battery pack includes battery 3, circuit control panel 4 and starting switch K, and battery 3 is used for providing power for heating element R and control circuit.

As shown in fig. 2, the circuit control board 4 includes a control circuit, the control circuit is provided with a microcontroller 6, a voltage regulating unit 71 electrically connected to the microcontroller 6, a resistance value detecting unit 8 and a gravity sensor 9, the microcontroller 6 includes a gesture signal processing unit 61 and a timing unit 62, and the timing unit 62 respectively performs time statistics on different smoking states. The voltage regulating unit 71 is electrically connected with the battery 4, regulates the battery voltage and outputs different voltages to the heating element R, the resistance value detecting unit 8 is used for detecting the resistance value of the heating element R, and the microcontroller 6 can determine the corresponding heating temperature according to the resistance value. Meanwhile, when a user smokes, the resistance value of the heating element R changes, and the microcontroller 6 can judge whether the user smokes according to the change signal of the resistance value. If no smoking occurs within a certain time, that is, the microcontroller 6 sends a temperature-lowering control signal according to the fact that the resistance value of the resistor does not change within a certain time, the voltage-regulating unit 71 lowers the output power to lower the temperature of the heating element R.

The existing gravity sensor works according to the principle of piezoelectric effect, namely, by utilizing the characteristic that the crystal is deformed due to acceleration in the gravity sensor, the crystal deformation generates voltage, and the relationship between the voltage and the applied acceleration can convert the acceleration into voltage output, namely, the mode of equipment movement can be converted into voltage signal output. The utility model discloses a gravity sensor 9, when it installs and takes place to remove on toasting the smoking set, according to its mode of removing, can produce different signals of telecommunication. The standard gesture signal for preparing smoking can be obtained by detecting the three-dimensional coordinate position change and the moving speed of the smoking set by simulating the smoking action of a human hand in advance. The gravity sensor 9 is electrically connected with the gesture signal processing unit 61, when the gravity sensor 9 works, a detection signal is sent to the gesture signal processing unit 61, and the gesture signal processing unit 61 can judge whether the user is ready to smoke or not by comparing a gesture action signal obtained by detection with a set standard gesture signal. When the gesture signal processing unit determines that there is a smoking preparation action, it immediately sends out a temperature-raising control signal, and the voltage-regulating unit 71 rapidly increases the output power to rapidly raise the temperature of the heating element R.

As shown in fig. 3, the control circuit is further provided with a boost power supply unit 72, the boost power supply unit 72 is electrically connected to the battery 3 and the voltage regulating unit 71, and the boost power supply unit 72 boosts the voltage of the battery and outputs the boosted voltage to the voltage regulating unit 71.

The control circuit is also provided with a control power supply unit 73 electrically connected with the battery 3, and the control power supply unit 73 outputs control voltage after regulating the voltage of the battery.

The control circuit is also provided with a control power switch unit 74 electrically connected with the battery and the microcontroller, and the control power switch unit 74 is controlled by the microcontroller 6 to switch and control the voltage input by the battery 3 and the control power switch unit 73 and then output the voltage.

The control circuit is further provided with a PCB temperature detection unit 81 electrically connected with the microcontroller, and the PCB temperature detection unit 81 is used for detecting a temperature signal of the circuit control board and transmitting the temperature signal to the microcontroller for circuit protection.

The control circuit is also provided with a battery temperature detection unit 82 electrically connected with the microcontroller, and the battery temperature detection unit 82 is used for detecting a temperature signal of the battery and transmitting the temperature signal to the microcontroller for protecting the battery from high temperature.

The control circuit is also provided with a prompting unit 51 electrically connected with the microcontroller, and the prompting unit 51 is provided with a vibration motor. The vibration motor carries out vibration prompt when the working state of the smoking set changes, such as starting up, shutting down, heating to working temperature and cooling to standby temperature.

The control circuit is also provided with a display unit 52 electrically connected with the microcontroller, and the display unit is provided with a display screen for displaying the parameters of the working state of the smoking set.

As shown in FIG. 4, the micro-controller 6 includes a chip MCU and its connection circuit, the chip MCU includes 28 pins, of which pin 2 is connected to a control power supply enable signal terminal VCC-EN, pin 3 is connected to a control voltage supply terminal VDD, pin 4 is grounded, pin 5 is connected to a chip MCU reset signal terminal MCU-RST, pin 6 is connected to an output voltage detection signal terminal VOUT-DET, pin 7 is connected to a battery voltage detection signal terminal BAT-DET, pin 8 is connected to a PCB temperature detection signal terminal PCB-TEMP, pin 9 is connected to a battery temperature detection signal terminal BAT-TEMP, pin 10 is connected to a current detection signal terminal I-DET, pin 12 is connected to a vibration prompt control enable signal terminal M-EN, pin 14 is connected to a start switch signal terminal KEY, pin 15 is connected to a blue indicator light signal terminal RGB-B, the 16 th pin is connected with a green indicator light signal end RGB-G, the 17 th pin is connected with a red indicator light signal end RGB-R, the 20 th pin is connected with a burning data signal end SWDIO, the 21 st pin is connected with a data burning clock signal end SWCLK, the 23 rd pin is connected with a gravity sensor data signal end SDA, the 24 th pin is connected with a gravity sensor data reading control signal end INT, the 25 th pin is connected with a gravity sensor communication clock signal end SCL, the 26 th pin is connected with a boosting control signal end PWM-UP, the 27 th pin is connected with an output voltage enabling control signal end PWM-EN, and the 28 th pin is connected with a voltage reducing control signal end PWM-DOWN. The utility model discloses a microcontroller 6's current detection signal end I-DET for the input detects the current detection signal who flows heating element R, thereby can obtain heating element R's resistance value. The gravity sensor data signal terminal SDA is used for receiving the detection data of the gravity sensor 9, so as to obtain a gesture signal of the smoking action. When the output voltage enable control signal terminal PWM-EN has a signal, the output control signal terminal PWM can output a control signal to the voltage regulating unit 71 so as to cool and heat the heating element R.

As shown in fig. 2 to 8, the output voltage detection signal terminal VOUT-DET is connected to one terminal of the capacitor C1, one terminal of the resistor R1, and one terminal of the resistor R2, the other terminal of the resistor R1 is connected to the output voltage signal terminal PWM-OUT, and the other terminal of the resistor R2 and the other terminal of the capacitor C1 are connected to ground. The chip MCU of the microcontroller 6 can detect the output voltage of the voltage regulating unit 71 through the output voltage detection signal terminals VOUT-DET to control the output voltage.

The battery voltage detection signal terminal BAT-DET is simultaneously connected with one end of the capacitor C2, one end of the resistor R9 and one end of the resistor R10, the other end of the resistor R9 is connected with the battery control voltage terminal BAT-CTRL, and the other end of the resistor R10 and the other end of the capacitor C2 are simultaneously grounded. The chip MCU of the microcontroller 6 can detect the battery control voltage outputted from the control power switch unit 74 through the battery voltage detection signal terminal BAT-DET.

The starting switch signal end KEY is simultaneously connected with one end of the resistor R14 and one end of the starting switch K, the other end of the resistor R14 is connected with the control voltage power supply end VDD, and the other end of the starting switch K is grounded. The chip MCU of the microcontroller 6 can detect the signal of the start switch K through the start switch signal terminal KEY.

The reset signal end MCU-RST of the chip MCU is connected with one end of the capacitor C6, the other end of the capacitor C6 is grounded, and the chip MCU of the microcontroller 6 can be reset through the reset signal end MCU-RST of the chip MCU.

As shown in fig. 9, the PCB temperature detection unit 81 includes a PCB temperature detection signal terminal PCB-TEMP, which is simultaneously connected to one end of a capacitor C3, one end of a resistor R11, and one end of a thermistor RT1, the other end of the resistor R11 is connected to a control voltage output terminal VDD-CTRL, and the other end of the thermistor RT1 and the other end of the capacitor C3 are simultaneously grounded. The chip MCU of the microcontroller 6 can detect the temperature of the PCB through the PCB temperature detection signal terminal PCB-TEMP, so that power-off protection can be carried out when the temperature of the PCB is overhigh.

As shown in fig. 10, the battery temperature detecting unit 82 includes a battery temperature detecting signal terminal BAT-TEMP, the battery temperature detecting signal terminal BAT-TEMP is simultaneously connected to one end of a capacitor C4, one end of a resistor R13 and one end of a thermistor RT2, the other end of the resistor R13 is connected to a control voltage output terminal VDD-CTRL, and the other end of the thermistor RT2 and the other end of the capacitor C4 are simultaneously grounded. The chip MCU of the microcontroller 6 can detect the temperature of the battery 3 through the battery temperature detection signal terminal BAT-TEMP, so that power-off protection can be carried out when the temperature of the battery is too high.

As shown in fig. 11, the resistance value detecting unit 8 includes a chip U8, the chip U8 has 6 pins, wherein the 1 st pin and the 2 nd pin are grounded simultaneously, the 3 rd pin is connected to one end of a capacitor C24 and one end of a resistor R32 simultaneously, the other end of the capacitor C24 is grounded, and the other end of the resistor R32 is connected to a power supply signal terminal VCC-B of the voltage regulating unit; the 4 th pin is connected to one end of a capacitor C25 and one end of a resistor R34, the other end of the resistor R34 is connected to one end of a sampling resistor R35 and an output voltage signal end PWM-OUT, the 5 th pin is connected to the other end of a capacitor C25 and one end of a resistor R36, the other end of the resistor R36 is connected to the other end of a sampling resistor R35 and one end of a heating element R, the other end of the heating element R is grounded, the 6 th pin is connected to one end of a resistor R37, the other end of the resistor R37 is connected to one end of a capacitor C29 and a current detection signal end I-DET, the other end of the capacitor C29 is grounded, and the resistance detection unit 8 detects the resistance of the heating element R by detecting the current flowing through the sampling resistor R36. The resistance value of the heating element R is detected by the resistance value detection unit 8 and transmitted to the microcontroller 6. When the resistance value is detected, the microcontroller 6 has two functions, one is that the microcontroller 6 can correspondingly obtain the temperature value of the heating element R according to the characteristics of the thermistor, the other is that the microcontroller 6 obtains the resistance value change rate according to the change of the resistance value, and when the resistance value change rate reaches a set value, the user can be judged to be smoking. The resistance value detection unit can detect whether a user smokes so that the microcontroller can judge whether the temperature needs to be reduced.

As shown in fig. 12, the gravity sensor 9 includes a chip U6, the chip U6 includes 12 pins, wherein the 1 st pin is connected to one end of a resistor R30 as a gravity sensor communication clock signal terminal SCL, the 3 rd pin is grounded, the 4 th pin is connected to one end of a resistor R29 as a gravity sensor data signal terminal SDA, the other end of the resistor R29 is connected to the other end of a resistor R30, one end of a capacitor C26, the 9 th pin, the 10 th pin and a control voltage supply terminal VDD, the other ends of the 6 th pin, the 7 th pin, the 8 th pin and a capacitor C26 are grounded, and the 12 th pin is used as a gravity sensor data reading control signal terminal INT. The gravity sensor 9 outputs a gesture signal related to the three-dimensional coordinate position change and the movement speed of the smoking set through the gravity sensor data signal end SDA. The microcontroller 6 judges whether the user has the action of preparing smoking according to whether the gesture signal meets the set standard gesture signal. If the user is judged to have the action of preparing to smoke, the microcontroller 6 outputs a temperature rise control signal to control the heating element R to quickly rise the temperature in advance before smoking. The gravity sensor can detect the gesture signal of the smoking action so that the microcontroller can judge whether the user is prepared for the smoking action and needs to be heated in advance.

As shown in fig. 13, the voltage regulating unit 71 includes a chip U4 and a chip U5, the chip U4 and the chip U5 respectively include 8 pins, the 1 st pin of the chip U4 is simultaneously connected to the cathode of the diode D4 and one end of the capacitor C21, the anode of the diode D4 is simultaneously connected to the voltage regulating unit supply signal terminal VCC-B and one end of the capacitor C15, the other end of the capacitor C15 is grounded, the 2 nd pin of the chip U4 is simultaneously connected to the buck control signal terminal PWM-DOWN and one end of the resistor R22, the other end of the resistor R22 is grounded, the 3 rd pin of the chip U4 is connected to the output voltage enable control signal terminal PWM-EN, the 4 th pin of the chip U4 is connected to the voltage regulating unit supply signal terminal VCC-B, the 5 th pin of the chip U4 is connected to one end of the resistor R26, the other end of the resistor R26 is connected to the G pole of the transistor Q6, the S pole of the MOS transistor Q6 is grounded, the 6 th pin of the chip U4 is connected to the resistor, the other end of the resistor R25 is connected with the G pole of the MOS tube Q5, the D pole of the MOS tube Q5 is connected with the positive electrode BAT + of the battery, and the 7 th pin of the chip U4 is simultaneously connected with the other end of the capacitor C21, the S pole of the MOS tube Q5, the D pole of the MOS tube Q6 and one end of the inductor L2;

the 1 st pin of a chip U5 is simultaneously connected with the cathode of a diode D5 and one end of a capacitor C22, the anode of the diode D5 is simultaneously connected with a voltage regulating unit power supply signal terminal VCC-B and one end of a capacitor C16, the other end of the capacitor C16 is grounded, the 2 nd pin of the chip U5 is simultaneously connected with a voltage boosting control signal terminal PWM-UP and one end of a resistor R21, the other end of a resistor R21 is grounded, the 3 rd pin of the chip U5 is simultaneously connected with an output voltage enabling control signal terminal PWM-EN and one end of a resistor R23, the other end of a resistor R23 is grounded, the 4 th pin of the chip U5 is connected with a voltage regulating unit power supply signal terminal VCC-B, the 5 th pin of the chip U5 is connected with one end of a resistor R28, the other end of the resistor R28 is connected with the G pole of a MOS tube Q8, the S pole of the MOS tube Q8 is grounded, the 6 th pin of the chip U5 is grounded, the 8 th pin of the chip U5 is connected with one, the D pole of the MOS transistor Q7 is connected with an output voltage signal end PWM-OUT, and the 7 th pin of the chip U5 is simultaneously connected with the other end of the capacitor C22, the S pole of the MOS transistor Q7, the D pole of the MOS transistor Q8 and the other end of the inductor L2.

When the output voltage enable control signal terminal PWM-EN has a signal, the voltage regulating unit 71 may perform voltage boosting or voltage dropping processing on the input voltage of the voltage regulating unit power supply signal terminal VCC-B, and then output different voltages to the heating element R through the output voltage signal terminal PWM-OUT. The heating element R is electrified and heated under normal working voltage, the temperature is raised to working temperature, and when the voltage is reduced and the heating element R enters a standby state, the temperature is reduced to standby temperature.

As shown in fig. 14, the boost power supply unit 72 includes a chip U2, the chip U2 includes 6 pins, wherein the 1 st pin is connected to one end of an inductor L1 and an anode of a diode D2, the other end of an inductor L1 is connected to one end of a resistor R12, one end of a capacitor C5, the 4 th pin and the 5 th pin, the other end of a resistor R12 is connected to the battery control voltage terminal BAT-CTRL, the other end of a capacitor C5 is connected to ground and the 2 nd pin, a cathode of a diode D2 is connected to one end of a resistor R15, one end of a capacitor C7 and the voltage regulation unit power supply signal terminal VCC-B, the other end of a resistor R15 is connected to one end of a 3 rd pin and a resistor R16, and the other end of a resistor R16 and the other end of a capacitor C89. The boost power supply unit 72 may boost an input voltage of the battery control voltage terminal BAT-CTRL, and then output a supply voltage to the voltage regulating unit 71 through the voltage regulating unit supply signal terminal VCC-B.

As shown in fig. 15, the control power supply unit 73 includes a chip U3, the chip U3 includes 3 pins, wherein the 1 st pin is connected to one end of a capacitor C11, a capacitor C12 and a resistor R20, the other ends of the capacitor C11 and the capacitor C12 are grounded, the other end of the resistor R20 is connected to the positive electrode BAT + of the battery, the 2 nd pin is connected to one end of a capacitor C8, a capacitor C9 and a capacitor C10 and then grounded, and the 3 rd pin is connected to the other ends of a capacitor C8, a capacitor C9 and a capacitor C10 and serves as a control voltage supply terminal VDD to output the control voltage. The control power supply unit 73 may perform voltage stabilization and voltage reduction on the voltage of the positive electrode BAT + of the battery and then output a control voltage through the control voltage supply terminal VDD.

As shown in fig. 16, the control power switch unit 74 includes a control power enable signal terminal VCC-EN connected to the microcontroller, a MOS transistor Q1, a MOS transistor Q2, and a transistor Q3, where the control power enable signal terminal VCC-EN is simultaneously connected to one end of a resistor R7 and one end of a resistor R8, the other end of the resistor R7 is connected to a base B of a transistor Q3, and the other end of the resistor R8 is connected to an emitter E of the transistor Q3 and then grounded.

The MOS transistor Q2 has its S pole connected to the control voltage supply terminal VDD, D pole connected to the control voltage output terminal VDD-CTRL, G pole connected to one end of the resistor R6, the other end of the resistor R6 connected to one end of the resistor R4 and the anode of the diode D1, the other end of the resistor R4 connected to the control voltage supply terminal VDD, and the cathode of the diode D1 connected to the collector C of the transistor Q3.

The MOS transistor Q1 has its S pole connected to the positive electrode BAT + of the battery, D pole connected to the battery control voltage terminal BAT-CTRL, G pole connected to one end of the resistor R5, the other end of the resistor R5 connected to one end of the resistor R3 and the cathode of the diode D1, and the other end of the resistor R3 connected to the positive electrode BAT + of the battery.

When the control power enable signal terminal VCC-EN has a signal, the control power switch unit 74 operates to switch on the control voltage input from the control voltage supply terminal VDD through a switching function, and outputs the control voltage through the control voltage output terminal VDD-CTRL; meanwhile, the voltage of a positive electrode BAT + of the battery is switched on through the switching action, and the battery control voltage is output through a battery control voltage terminal BAT-CTRL.

The smoking set shown in fig. 1 to 3 has the above components and circuit structure, so that the smoking set 1 has the following functions in operation: when a user uses the baking smoking set 1, firstly, the starting switch K is pressed to switch on a battery power supply, the power supply unit 73 is controlled to step down and output control voltage, power is supplied to the microcontroller 6 and related control circuits, the power supply unit 74 is controlled to switch on the power supply for the related control circuits, the detection unit and the boosting power supply unit 72 through the control of the microcontroller 6, the boosting power supply unit 72 outputs the voltage after the voltage is boosted to the voltage regulation unit 71, the voltage regulation unit 71 performs boosting or step down processing according to the instruction of the microcontroller 6, and finally different voltages are output to the heating element R. After the heating element R is operated, the temperature rises to the operating temperature (for example, 230 ℃ -270 ℃), at this time, the prompting unit 51 performs vibration prompting, the user can start smoking according to the vibration prompting of the prompting unit 51, and the timing unit 62 performs related timing.

In the set working time period, the resistance value detection unit 8 detects the resistance value of the heating element R when working, and since the resistance value of the heating element 3 changes when a user smokes, the microcontroller 6 can judge whether the user smokes according to the signal of the change of the resistance value. If the microcontroller 6 judges that the user is smoking, the voltage regulating unit 71 maintains a stable voltage output to maintain the temperature of the heating element R at the operating temperature. If the user does not smoke in the set working time period, the microcontroller 6 controls the voltage regulating unit 71 to reduce the voltage output, so that the heating temperature of the heating element R is reduced to the standby temperature (for example, 100-150 ℃) and maintained, thereby saving the electric energy of the battery and prolonging the service life of the flue-cured tobacco.

In a set standby time period after temperature reduction, when the gravity sensor 9 works, the motion of smoking by a simulated human hand is used for detecting the position change and the moving speed of the three-dimensional coordinate of the smoking set, and a detection signal is sent to the gesture signal processing unit 61, and the gesture signal processing unit 61 judges whether the user is ready to smoke or not in advance. If the gravity sensor 9 detects a gesture signal of a user for preparing smoking in a set standby time period, the gesture signal processing unit 61 sends a temperature rise control signal at the moment of detecting the gesture signal, the microcontroller 6 controls the voltage regulating unit 71 to quickly rise the output voltage for temperature rise, and when the user smokes cigarettes in the cigarette inlet of the smoking set, the heating temperature of the heating element R is quickly raised to the working temperature and kept, so that the user can immediately smoke. And if the gesture signal of the smoking action is not detected in the set standby time period, the smoking set is automatically turned off.

The utility model discloses the toast smoking set that can adjust the temperature, its advantage lies in, be equipped with pressure regulating unit 71, microcontroller 6, resistance detecting element 8, gravity sensor 9 and timing unit 62 etc, whether the detectable user of resistance detecting element 8 smokes so that microcontroller 6 judges whether need cool down, the gesture action of gravity sensor 9 detectable smoking so that microcontroller 6 judges whether need heat up in advance, the outputable different power of pressure regulating unit 71 so that keep different heating temperature. Therefore, when a user smokes normally, the heating temperature of the user can be kept in the smoking state at the working temperature, and when the resistance value detection unit 8 detects that the user does not smoke for a long time, the temperature can be reduced to the standby temperature to enter the standby state, and once the gesture signal of the smoking action of the user is detected through the gravity sensor 9 in the standby state, the temperature can be rapidly increased to the working temperature required by smoking. Therefore, the power loss of the battery can be reduced, the loss of tobacco can be reduced, the cigarette utilization time can be prolonged, the tobacco is prevented from producing scorched smell or burnt smell, the smoke can be quickly sucked out, the smoke quantity of each mouth is increased, and the use experience of a user is improved.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Within the scope of the technical idea of the present invention, various modifications and alterations can be made, and any person skilled in the art can make modifications, amendments or equivalent replacements according to the above description, all belonging to the protection scope of the present invention.

Claims

1. The utility model provides a controllable temperature toasts smoking set, includes heating element and battery pack, heating element is including being used for toasting the heating element that props up, battery pack includes battery, circuit control panel and starting switch, the battery is used for providing power for heating element and control circuit, a serial communication port, the circuit control panel includes control circuit, last voltage regulating unit, the resistance detecting element and the gravity sensor who is equipped with microcontroller, is connected with microcontroller electricity of control circuit, microcontroller includes gesture signal processing unit and timing unit, the voltage regulating unit with battery voltage is connected and is adjusted the back and export different voltages and give heating element, resistance detecting element is used for detecting heating element's resistance, microcontroller basis the heating temperature that corresponds is confirmed to the resistance, the microcontroller also sends a cooling control signal according to a signal that the resistance value of the resistor is not changed within a certain time, the gravity sensor is electrically connected with the gesture signal processing unit, the gravity sensor detects a gesture signal of smoking action and transmits the gesture signal to the gesture signal processing unit, the gesture signal processing unit sends a heating control signal according to the gesture signal, and the timing unit respectively carries out time statistics on different smoking states.

2. The temperature-controllable roasting smoking set of claim 1, wherein the control circuit is further provided with a boost power supply unit, the boost power supply unit is electrically connected with the battery and the voltage regulating unit, and the boost power supply unit boosts the voltage of the battery and outputs the boosted voltage to the voltage regulating unit.

3. The temperature-controllable roasting smoking set of claim 1, wherein the control circuit is further provided with a control power supply unit electrically connected with the battery, and the control power supply unit outputs a control voltage after regulating the voltage of the battery.

4. The temperature-controllable roasting smoking set of claim 3, wherein the control circuit is further provided with a control power switch unit electrically connected with the battery and the microcontroller, and the control power switch unit is controlled by the microcontroller to switch and control the voltages input by the battery and the control power switch unit and then output the voltages respectively.

5. The temperature-controllable cooking smoking article of claim 1, wherein the control circuit is further provided with a PCB temperature detection unit electrically connected with the microcontroller, and the PCB temperature detection unit is used for detecting a temperature signal of the circuit control board and transmitting the temperature signal to the microcontroller for circuit protection.

6. The temperature-controllable cooking smoking article of claim 1, wherein the control circuit further comprises a battery temperature detection unit electrically connected to the microcontroller, the battery temperature detection unit is configured to detect a temperature signal of the battery and transmit the temperature signal to the microcontroller for protecting the battery from high temperature.

7. The temperature-controllable smoking article of claim 1, wherein the microcontroller comprises a MCU chip and its connection circuit, the MCU chip comprises 28 pins, wherein pin 2 is connected to a control power enable signal terminal VCC-EN, pin 3 is connected to a control voltage supply terminal VDD, pin 4 is grounded, pin 5 is connected to a MCU reset signal terminal MCU-RST, pin 6 is connected to an output voltage detection signal terminal VOUT-DET, pin 7 is connected to a battery voltage detection signal terminal BAT-DET, pin 10 is connected to a current detection signal terminal I-DET, pin 12 is connected to a vibration indication control enable signal terminal M-EN, pin 14 is connected to a start switch signal terminal KEY, pin 15 is connected to a blue indicator light signal terminal RGB-B, pin 16 is connected to a green indicator light signal terminal RGB-G, the 17 th pin is connected with a red indicator light signal end RGB-R, the 20 th pin is connected with a burning data signal end SWDIO, the 21 st pin is connected with a data burning clock signal end SWCLK, the 23 th pin is connected with a gravity sensor data signal end SDA, the 24 th pin is connected with a gravity sensor data reading control signal end INT, the 25 th pin is connected with a gravity sensor communication clock signal end SCL, the 26 th pin is connected with a boosting control signal end PWM-UP, the 27 th pin is connected with an output voltage enabling control signal end PWM-EN, and the 28 th pin is connected with a voltage reducing control signal end PWM-DOWN.

8. The temperature-controllable roasting smoking set of claim 7, wherein the 8 th pin of the MCU is connected to the PCB temperature detection signal terminal PCB-TEMP, and the 9 th pin is connected to the BAT-TEMP.

9. The temperature controllable cigarette of claim 7, wherein the output voltage detection signal terminal VOUT-DET is connected to one terminal of the capacitor C1, one terminal of the resistor R1 and one terminal of the resistor R2 at the same time, the other terminal of the resistor R1 is connected to the output voltage signal terminal PWM-OUT, and the other terminal of the resistor R2 and the other terminal of the capacitor C1 are connected to ground at the same time;

10. The temperature-controllable roasting smoking set of claim 1, wherein the resistance value detecting unit comprises a chip U8, the chip U8 comprises 6 pins, wherein the 1 st pin and the 2 nd pin are grounded simultaneously, the 3 rd pin is connected to one end of a capacitor C24 and one end of a resistor R32 simultaneously, the other end of the capacitor C24 is grounded, and the other end of the resistor R32 is connected to a voltage-regulating unit power supply signal terminal VCC-B; the 4 th pin is simultaneously connected with one end of a capacitor C25 and one end of a resistor R34, the other end of the resistor R34 is simultaneously connected with one end of a sampling resistor R35 and an output voltage signal end PWM-OUT, the 5 th pin is simultaneously connected with the other end of the capacitor C25 and one end of a resistor R36, the other end of the resistor R36 is simultaneously connected with the other end of the sampling resistor R35 and one end of a heating element, the other end of the heating element is grounded, the 6 th pin is connected with one end of the resistor R37, the other end of the resistor R37 is simultaneously connected with one end of the capacitor C29 and a current detection signal end I-DET, the other end of the capacitor C29 is grounded, the resistance value detection unit detects the resistance of the heating element by detecting the current flowing through the sampling resistor R35, the heating element is a thermistor, and the resistance value of the heating element corresponds to the.

11. The temperature-controllable roasting smoking set of claim 1, wherein the gravity sensor comprises a chip U6, the chip U6 comprises 12 pins, wherein the 1 st pin is connected to one end of a resistor R30 as a gravity sensor communication clock signal terminal SCL, the 3 rd pin is grounded, the 4 th pin is connected to one end of a resistor R29 as a gravity sensor data signal terminal SDA, the other end of the resistor R29 is connected to the other end of the resistor R30, one end of a capacitor C26, the 9 th pin, the 10 th pin and a control voltage supply terminal VDD, the 6 th pin, the 7 th pin, the 8 th pin and the other end of the capacitor C26 are grounded, and the 12 th pin is used as a gravity sensor data reading control signal terminal INT.

12. The temperature-controllable smoking article of claim 1, wherein the voltage-regulating unit comprises a chip U4 and a chip U5, the chip U4 and the chip U5 respectively comprise 8 pins, the 1 st pin of the chip U4 is connected to the cathode of the diode D4 and one end of the capacitor C21, the anode of the diode D4 is connected to the voltage-regulating unit power-supply signal terminal VCC-B and one end of the capacitor C15, the other end of the capacitor C15 is grounded, the 2 nd pin of the chip U4 is connected to the voltage-reduction control signal terminal PWM-DOWN and one end of the resistor R22, the other end of the resistor R22 is grounded, the 3 rd pin of the chip U4 is connected to the output voltage enable control signal terminal PWM-EN, the 4 th pin of the chip U4 is connected to the voltage-regulating unit power-supply signal terminal VCC-B, the 5 th pin of the chip U4 is connected to one end of the resistor R26, the other end of the resistor R26 is connected to the MOS tube Q6G, the S pole of the MOS tube Q6 is grounded, the 6 th pin of the chip U4 is grounded, the 8 th pin of the chip U4 is connected with one end of a resistor R25, the other end of the resistor R25 is connected with the G pole of the MOS tube Q5, the D pole of the MOS tube Q5 is connected with the positive electrode BAT + of the battery, and the 7 th pin of the chip U4 is simultaneously connected with the other end of the capacitor C21, the S pole of the MOS tube Q5, the D pole of the MOS tube Q6 and one end of an inductor L2;

13. The temperature-controllable roasting smoking set of claim 2, wherein the boost power supply unit comprises a chip U2, the chip U2 comprises 6 pins, wherein the 1 st pin is connected to one end of an inductor L1 and the anode of a diode D2, the other end of the inductor L1 is connected to one end of a resistor R12, one end of a capacitor C5, the 4 th pin and the 5 th pin, the other end of the resistor R12 is connected to a battery control voltage terminal BAT-CTRL, the other end of the capacitor C5 is connected to ground and the 2 nd pin, the cathode of the diode D2 is connected to one end of a resistor R15, one end of a capacitor C7 and a voltage-regulating unit power supply signal terminal VCC-B, the other end of the resistor R15 is connected to one end of a 3 rd pin and a resistor R16, and the other end of the resistor R16 and the other end of the capacitor C7 are connected to ground.

14. The temperature-controllable roasting smoking set of claim 3, wherein the control power supply unit comprises a chip U3, the chip U3 comprises 3 pins, wherein the 1 st pin is connected to one end of a capacitor C11, a capacitor C12 and a resistor R20, the other ends of the capacitor C11 and the capacitor C12 are grounded, the other end of the resistor R20 is connected to a positive electrode BAT + of the battery, the 2 nd pin is connected to one end of a capacitor C8, a capacitor C9 and a capacitor C10 and then grounded, and the 3 rd pin is connected to the other ends of a capacitor C8, a capacitor C9 and a capacitor C10 and serves as a control voltage supply terminal VDD to output the control voltage.

15. The temperature controllable roasting smoking set according to claim 4, wherein said control power switch unit comprises a control power enable signal terminal VCC-EN connected to the microcontroller, a MOS transistor Q1, a MOS transistor Q2 and a transistor Q3, said control power enable signal terminal VCC-EN is connected to one end of a resistor R7 and one end of a resistor R8, the other end of said resistor R7 is connected to a base B of said transistor Q3, and the other end of said resistor R8 is connected to the ground after being connected to an emitter E of said transistor Q3;

16. The temperature-controlled roasting smoking set of claim 5, wherein the PCB temperature detecting unit comprises a PCB temperature detecting signal terminal PCB-TEMP, the PCB temperature detecting signal terminal PCB-TEMP is connected to one terminal of a capacitor C3, one terminal of a resistor R11 and one terminal of a thermistor RT1 at the same time, the other terminal of the resistor R11 is connected to a control voltage output terminal VDD-CTRL, and the other terminal of the thermistor RT1 and the other terminal of the capacitor C3 are connected to ground at the same time.

17. The temperature-controllable roasting smoking article of claim 6, wherein said battery temperature detecting unit comprises a battery temperature detecting signal terminal BAT-TEMP, said battery temperature detecting signal terminal BAT-TEMP is connected to one end of a capacitor C4, one end of a resistor R13 and one end of a thermistor RT2, said other end of a resistor R13 is connected to a control voltage output terminal VDD-CTRL, and said other end of a thermistor RT2 and said other end of a capacitor C4 are connected to ground.