WO2022028097A1

WO2022028097A1 - Baking smoking set having adjustable heating temperature

Info

Publication number: WO2022028097A1
Application number: PCT/CN2021/099272
Authority: WO
Inventors: 林光榕; 郑贤彬; 张夕勇
Original assignee: 深圳市康泓威科技有限公司
Priority date: 2020-08-06
Filing date: 2021-06-10
Publication date: 2022-02-10
Also published as: CN111869927A

Abstract

A baking smoking set (1) having an adjustable heating temperature, comprising a heating assembly and a battery assembly. The heating assembly comprises a heating element (R); the battery assembly comprises a battery (3), a circuit control board (4), and a starting switch (K); the circuit control board (4) is provided with a microcontroller (6), a power unit (7), a resistance detection unit (8), and an infrared detection unit (9); the microcontroller (6) comprises a gesture signal processing unit (61) and a timing unit (62); the power unit (7) adjusts a battery voltage and then outputs different voltages to the heating element (R); the resistance detection unit (8) is used for detecting a resistance change of the heating element (R); the microcontroller (6) determines whether smoking occurs or not according to a signal of the resistance change; the infrared detection unit (9) detects a gesture signal of a smoking action by means of distance measurement; the timing unit (62) collects time statistics about different smoking states. The smoking set has the beneficial effects that the power loss of a battery can be reduced, the loss of cigarettes is reduced, the utilization time of cigarettes is prolonged, the cigarettes are prevented from generating burnt smell, and the use experience of a user is improved.

Description

Heating temperature adjustable baking smoke set

technical field

The present invention relates to the technical field of curing smoking utensils, and more particularly, the present invention relates to a curing smoking utensil with adjustable heating temperature.

Background technique

Curing smoking tools generally include a heating assembly and a battery assembly, the battery assembly is used to control the heating assembly and provide power to the heating assembly. The heating assembly includes a heating element, and the heating element can bake the cigarette with the cigarette to emit smoke for the user to smoke. Compared with the smoke produced by the burning of a cigarette, the smoke emitted by baking reduces many harmful substances such as tar, carbon monoxide, particulate matter, etc., so the way of smoking with baking cigarettes is welcomed by people.

In the existing curing smoking set, after the user activates the start switch, the heating element heats up to the normal smoking temperature, but thereafter, regardless of whether the user smokes, the temperature remains at the smoking temperature, and the battery power consumption is large. In addition, when the user does not smoke, the cigarettes are always in the baking state, and the cigarettes in the cigarettes are still in wear and tear, which shortens the time that the cigarettes can really be used, and the baking time is long, and the smoke cannot be discharged. When smoking again, the cigarettes in the cigarettes are prone to produce a burnt smell and a sticky smell, causing a bad user experience to the user.

technical problem

The purpose of the present invention is to provide a curing smoking tool with adjustable heating temperature in order to overcome the deficiencies of the above technologies.

technical solutions

The technical solution of the present invention is achieved as follows: a heating temperature-adjustable curing tobacco appliance includes a heating assembly and a battery assembly, the heating assembly includes a heating element for curing cigarettes, and the battery assembly includes a battery, A circuit control board and a start switch, the battery is used to provide power to the heating element and the control circuit, the circuit control board includes a control circuit, and the control circuit is provided with a microcontroller and a power unit electrically connected to the microcontroller , a resistance value detection unit and an infrared detection unit, the microcontroller includes a gesture signal processing unit and a timing unit, the power unit is electrically connected to the battery and adjusts the battery voltage and outputs different voltages to the heating element, The resistance value detection unit is used to detect the resistance value of the heating element, the microcontroller determines the corresponding heating temperature according to the resistance value, and the microcontroller also determines the corresponding heating temperature according to the resistance value of the resistance. There is no change in the signal to send out a cooling control signal, the infrared detection unit is electrically connected with the gesture signal processing unit, the infrared detection unit detects the distance signal between its infrared light source and the human body and transmits it to the gesture signal processing unit, the gesture signal processing unit. The signal processing unit sends out a temperature rise control signal according to the rate of change of the distance signal, and the timing unit performs time statistics on different smoking states respectively.

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

Preferably, the control circuit is further provided with a vibration prompting unit electrically connected to the microcontroller, the vibration prompting unit includes a vibration motor, and the vibration motor performs vibration prompting when the smoking state changes.

Preferably, the microcontroller includes a chip MCU and its connection circuit, the chip MCU includes 28 pins, wherein the third pin is connected to the control voltage power supply terminal VDD, the fourth pin is grounded, and the fifth pin is connected to the chip MCU reset signal terminal MCU-RST, the 6th pin is connected to the output voltage detection signal terminal VOUT-DET, the 10th pin is connected to the current detection signal terminal I-DET, and the 12th pin is connected to the vibration prompt control enable signal terminal M-EN , the 14th pin is connected to the start switch signal terminal KEY, the 15th pin is connected to the blue indicator signal terminal RGB-B, the 16th pin is connected to the green indicator signal terminal RGB-G, and the 17th pin is connected to the red indicator signal Terminal RGB-R, the 18th pin is connected to the infrared detection data read control signal terminal IR-INT, the 19th pin is connected to the infrared detection data signal terminal IR-SDA, the 20th pin is connected to the programming data signal terminal SWDIO, the 21st The pin is connected to the data programming clock signal terminal SWCLK, the 22nd pin is connected to the infrared detection communication clock signal terminal IR-SCL, and the 28th pin is connected to the output control signal terminal PWM.

Preferably, the output voltage detection signal terminal VOUT-DET is simultaneously connected to one end of the capacitor C8, one end of the resistor R15 and one end of the resistor R16, the other end of the resistor R15 is connected to the output voltage signal terminal PWM-OUT, and the resistor R16 The other end of the capacitor C8 is grounded at the same time;

The start switch signal terminal KEY is simultaneously connected to one end of the resistor R20 and one end of the start switch, the other end of the resistor R20 is connected to the control voltage power supply terminal VDD, and the other end of the start switch is grounded;

The chip MCU reset signal terminal MCU-RST is connected to one end of the capacitor C14, and the other end of the capacitor C14 is grounded.

Preferably, the resistance detection unit includes a chip U2, and the chip U2 includes 6 pins, wherein the first pin and the second pin are grounded at the same time, and the third pin is connected to one end of the capacitor C1 and the other end of the resistor R1 at the same time. One end, the other end of the capacitor C1 is grounded, and the other end of the resistor R1 is connected to the positive electrode BAT+ of the battery; the fourth pin is connected to one end of the capacitor C2 and one end of the resistor R6 at the same time, and the other end of the resistor R6 is connected to the sampling One end of the resistor R7 and the output voltage signal end PWM-OUT, the 5th pin is connected to the other end of the capacitor C2 and one end of the resistor R8 at the same time, and the other end of the resistor R8 is connected to the other end of the sampling resistor R7 and One end of the heating element, the other end of the heating element is grounded, the sixth pin is connected to one end of the resistor R9, the other end of the resistor R9 is connected to one end of the capacitor C3 and the current detection signal terminal I-DET at the same time, and the other end of the capacitor C3 is connected. One end is grounded, and the resistance value detection unit detects the resistance of the heating element by detecting the current flowing through the sampling resistor R7.

Preferably, the infrared detection unit includes a chip U4, and the chip U4 includes 8 pins, wherein the first pin is used as the infrared detection data signal terminal IR-SDA, and is connected to one end of the resistor R14, and the other end of the resistor R14 One end is connected to the control voltage power supply terminal VDD, the second pin is used as the infrared detection data read control signal terminal IR-INT, the third pin is connected to the fourth pin, and the fifth pin is connected to the battery positive electrode BAT+ and the capacitor C6 at the same time. One end, the 6th pin is grounded, the 7th pin is used as the infrared detection communication clock signal terminal IR-SCL, and one end of the resistor R13 is connected at the same time, the other end of the resistor R13 is connected to the control voltage power supply terminal VDD, and the 8th pin is connected at the same time. The control voltage supply terminal VDD and one end of the capacitor C5, and the other end of the capacitor C5 is connected to the other end of the capacitor C6 and then grounded.

Preferably, the power unit includes a MOS transistor Q1 and a triode Q2, the S pole of the MOS transistor Q1 is connected to the positive electrode BAT+ of the battery, the D pole is used as the output voltage signal terminal PWM-OUT, the G pole is connected to one end of the resistor R3, and the resistor R3 The other end of the resistor R2 is connected to one end of the resistor R2 and the C pole of the transistor Q2 at the same time, the other end of the resistor R2 is connected to the positive electrode BAT+ of the battery, the B pole of the transistor Q2 is connected to one end of the resistor R4, and the E pole is grounded and connected at the same time. One end of the resistor R5, the other end of the resistor R4 and the other end of the resistor R5 are simultaneously connected to the output control signal end PWM.

Preferably, the control power supply unit includes a chip U5, and the chip U5 includes 3 pins, wherein the first pin is connected to one end of the capacitor C12, the capacitor C13 and the resistor R21 at the same time, and the other end of the capacitor C12 and the capacitor C13 is connected Grounding, the other end of the resistor R21 is connected to the positive electrode BAT+ of the battery, the second pin is connected to one end of the capacitor C9, the capacitor C10 and the capacitor C11 at the same time and then grounded, and the third pin is connected to the capacitor C9, the capacitor C10 and the capacitor C11 at the same time. The other end and the control voltage supply end VDD outputs the control voltage.

Preferably, the positive electrode of the vibration motor, one end of the capacitor C4, and the cathode of the diode D1 are connected to the positive electrode BAT+ of the battery at the same time, and the negative electrode of the vibration motor, the other end of the capacitor C4, and the anode of the diode D1 are connected to the transistor Q3 at the same time. The collector C, the base B of the transistor Q3 is connected to one end of the resistor R10, the other end of the resistor R10 is connected to the vibration prompt control enable signal terminal M-EN, and the emitter E of the transistor Q3 is grounded.

beneficial effect

The heating temperature-adjustable curing smoking appliance of the present invention is provided with a microcontroller, a power unit, a resistance value detection unit, an infrared detection unit and a timing unit, etc. The resistance value detection unit can detect whether the user smokes or not, so that the microcontroller can judge whether the temperature needs to be lowered. , the infrared detection unit can detect the gesture of smoking so that the microcontroller can judge whether it needs to heat up in advance, and the power unit can output different powers to maintain different heating temperatures. In this way, the user can keep the heating temperature at the smoking temperature when using the curing smoking appliance to smoke normally; and when the resistance detection unit detects that the user does not smoke for a long time, the temperature can be lowered to the standby temperature and enter the standby state ; During standby, once the gesture signal of the user's smoking action is detected by the infrared detection unit, the temperature can be quickly raised to the working temperature required for smoking. In this way, it can not only reduce the power loss of the battery, reduce the loss of cigarettes, prolong the utilization time of cigarettes, and avoid the burning or mushy smell of cigarettes, but also heat up in advance, so that the user can quickly inhale sufficient smoke and improve the user experience. .

Description of drawings

Fig. 1 is the sectional schematic diagram of the curing smoking tool of the present invention;

Fig. 2 is the functional block diagram of the control circuit of the present invention;

Fig. 3 is the circuit diagram of the microcontroller chip MCU of the present invention;

4 is an output voltage detection circuit diagram of the present invention;

Fig. 5 is the starting switch signal detection circuit diagram of the present invention;

Fig. 6 is the chip MCU reset circuit diagram of the present invention;

Fig. 7 is the circuit diagram of the resistance value detection unit of the present invention;

8 is a circuit diagram of an infrared detection unit of the present invention;

9 is a circuit diagram of a power unit of the present invention;

10 is a circuit diagram of a control power supply unit of the present invention;

FIG. 11 is a circuit diagram of the vibration prompting unit of the present invention. .

Best Mode for Carrying Out the Invention

Example:

As shown in FIG. 1 , the heating temperature-adjustable curing tobacco appliance 1 of the present invention includes a heating assembly and a battery assembly, the heating assembly includes a heating element R for curing cigarettes 2 , and the battery assembly includes a battery 3 and a circuit control board 4 And start switch K, battery 3 is used to supply power to heating element R and control circuit.

As shown in Figure 2, the circuit control board 4 includes a control circuit, and the control circuit is provided with a microcontroller 6, a power unit 7 electrically connected to the microcontroller 6, a resistance value detection unit 8 and an infrared detection unit 9, and 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 power unit 7 is electrically connected to the battery 4 through the start switch K, and outputs different powers to the heating element R after adjusting the battery voltage. The resistance value detection unit 8 is used to detect the resistance value of the heating element R. The resistance value of the resistor can determine the corresponding heating temperature. At the same time, since the resistance value of the heating element R will change when the user smokes, the microcontroller 6 can determine whether the user has performed the smoking process according to the change signal of the resistance value. If there is no smoking within a certain period of time, that is, the microcontroller 6 sends a cooling control signal according to the resistance value of the resistance does not change within a certain period of time, and the power unit 7 reduces the output power to make the heating element R cool down.

The infrared detection unit 9 includes an infrared sensor, which emits infrared rays through an infrared light source to detect a linear distance between the sensor and the blocking object. When the smoking device is equipped with this kind of sensor, the distance from which the smoking device is picked up and close to the lips can be continuously reduced. When the user smokes, the cigarette of the smoking device is held in the mouth, and the distance detected by the infrared sensor is close to zero. The decreasing trend of this distance represents a gesture signal that the user is ready to smoke. The infrared detection unit 9 is electrically connected with the gesture signal processing unit 61. The infrared detection unit 9 detects the distance signal between its infrared light source and the human body and transmits it to the gesture signal processing unit 61. The gesture signal processing unit 61 just happens when the smoking action occurs according to the change of the distance signal. The gesture signal of the user's smoking action can be obtained when the user's smoking action is reached. When the gesture signal conforms to the preset gesture signal, a temperature increase control signal is immediately issued, and the power unit 7 increases the output power to make the heating element R heat up. The distance between the infrared light source and the human body refers to the length distance between the infrared light emitted by the infrared light source and the human body.

As shown in FIG. 2 , the control circuit is further provided with a control power supply unit 5 electrically connected to the battery, and the control power supply unit 5 regulates the battery voltage and outputs a control voltage.

As shown in FIG. 3 , the microcontroller 6 includes a chip MCU and its connection circuit. The chip MCU includes 28 pins, of which the third pin is connected to the control voltage power supply terminal VDD, the fourth pin is grounded, and the fifth pin is connected to the chip MCU reset signal terminal MCU-RST, the 6th pin is connected to the output voltage detection signal terminal VOUT-DET, the 10th pin is connected to the current detection signal terminal I-DET, and the 12th pin is connected to the vibration prompt control enable signal terminal M-EN , the 14th pin is connected to the start switch signal terminal KEY, the 15th pin is connected to the blue indicator signal terminal RGB-B, the 16th pin is connected to the green indicator signal terminal RGB-G, and the 17th pin is connected to the red indicator signal Terminal RGB-R, the 18th pin is connected to the infrared detection data read control signal terminal IR-INT, the 19th pin is connected to the infrared detection data signal terminal IR-SDA, the 20th pin is connected to the programming data signal terminal SWDIO, the 21st The pin is connected to the data programming clock signal terminal SWCLK, the 22nd pin is connected to the infrared detection communication clock signal terminal IR-SCL, and the 28th pin is connected to the output control signal terminal PWM. The current detection signal terminal I-DET of the microcontroller 6 of the present invention is used to input and detect the current detection signal flowing through the heating element R, so that the resistance value of the heating element R can be obtained. The infrared detection data signal terminal IR-SDA is used to receive the detection data of the infrared detection unit 9, so as to obtain the gesture signal of the smoking action. The output control signal terminal PWM can output a control signal to the power unit 7 to make the heating element R cool down and warm up.

As shown in Figure 4, the output voltage detection signal terminal VOUT-DET is simultaneously connected to one end of the capacitor C8, one end of the resistor R15 and one end of the resistor R16, the other end of the resistor R15 is connected to the output voltage signal terminal PWM-OUT, and the other end of the resistor R16 The other end of the capacitor C8 is grounded at the same time; the chip MCU of the microcontroller 6 can detect the output voltage of the power unit 7 through the output voltage detection signal terminal VOUT-DET. The microcontroller 6 obtains a signal of the output voltage through the output voltage detection signal terminal VOUT-DET so as to control the output voltage.

As shown in Figure 5, the start switch signal terminal KEY is connected to one end of the resistor R20 and one end of the start switch K at the same time, the other end of the resistor R20 is connected to the control voltage power supply terminal VDD, and the other end of the start switch K is grounded; the chip of the microcontroller 6 The MCU can detect the signal of the start switch K through the start switch signal terminal KEY.

As shown in FIG. 6 , the reset signal terminal MCU-RST of the chip MCU is connected to one end of the capacitor C14, and the other end of the capacitor C14 is grounded. The chip MCU of the microcontroller 6 can be reset through the chip MCU reset signal terminal MCU-RST.

As shown in FIG. 7 , the resistance detection unit 8 includes a chip U2, and the chip U2 includes 6 pins, of which the first pin and the second pin are grounded at the same time, and the third pin is connected to one end of the capacitor C1 and the resistor R1 at the same time. One end, the other end of the capacitor C1 is grounded, the other end of the resistor R1 is connected to the positive electrode BAT+ of the battery; the fourth pin is connected to one end of the capacitor C2 and one end of the resistor R6 at the same time, and the other end of the resistor R6 is connected to one end of the sampling resistor R7 and the output Voltage signal terminal PWM-OUT, the fifth pin is connected to the other end of capacitor C2 and one end of resistor R8 at the same time, the other end of resistor R8 is connected to the other end of sampling resistor R7 and one end of heating element R at the same time, the other end of heating element R Ground, the sixth pin is connected to one end of the resistor R9, the other end of the resistor R9 is connected to one end of the capacitor C3 and the current detection signal terminal I-DET at the same time, the other end of the capacitor C3 is grounded, and the resistance value detection unit detects the flow through the sampling resistor R7. current to detect the resistance of the heating element R. When the resistance value is detected, it 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 its thermistor, and the other is that the microcontroller 6 can be changed according to the change of its resistance value. When the resistance change rate reaches the set value, it can be judged that the user is smoking. The resistance value detection unit can detect whether the user smokes or not, so that the microcontroller can judge whether it is necessary to cool down.

As shown in FIG. 8 , the infrared detection unit 9 includes a chip U4, and the chip U4 includes 8 pins, of which the first pin is used as the infrared detection data signal terminal IR-SDA, and is connected to one end of the resistor R14, and the other end of the resistor R14 is connected to The control voltage power supply terminal VDD, the second pin is used as the infrared detection data reading control signal terminal IR-INT, the third pin is connected to the fourth pin, and the fifth pin is connected to the positive electrode BAT+ of the battery and one end of the capacitor C6. The 6th pin is grounded, the 7th pin is used as the infrared detection communication clock signal terminal IR-SCL, and one end of the resistor R13 is connected at the same time, the other end of the resistor R13 is connected to the control voltage supply terminal VDD, and the 8th pin is also connected to the control voltage supply terminal. VDD and one end of the capacitor C5, and the other end of the capacitor C5 is connected to the other end of the capacitor C6 and then grounded. When the infrared detection data reading control signal terminal IR-INT has a signal, the infrared detection unit 9 starts detection work. After the infrared detection unit 9 detects the distance signal, it outputs detection data to the microcontroller 6 through the infrared detection data signal terminal IR-SDA. The microcontroller 6 can determine whether the user is ready to smoke according to whether the above distance signal conforms to the set gesture signal. If it is determined that the user has the action of preparing to smoke, the microcontroller 6 immediately outputs a temperature increase control signal, and controls the heating element R in advance to perform rapid temperature increase before smoking. The infrared detection unit can detect the gesture of smoking so that the microcontroller can judge whether it needs to heat up in advance.

As shown in FIG. 9 , the power unit 7 includes a MOS transistor Q1 and a triode Q2. The S pole of the MOS transistor Q1 is connected to the positive electrode BAT+ of the battery, the D pole is used as the output voltage signal terminal PWM-OUT, and the G pole is connected to one end of the resistor R3. The resistor R3 The other end of the resistor R2 is connected to one end of the resistor R2 and the C pole of the transistor Q2 at the same time, the other end of the resistor R2 is connected to the positive electrode BAT+ of the battery, the B pole of the transistor Q2 is connected to one end of the resistor R4, and the E pole is connected to the ground and one end of the resistor R5 at the same time. The other end of R4 and the other end of the resistor R5 are connected to the output control signal end PWM at the same time. As can be seen from the above, the power unit 7 receives the control signal through the output control signal terminal PWM, and outputs different powers to the heating element R from the output voltage signal terminal PWM-OUT, so as to control the heating temperature of the heating element R.

As shown in Figure 10, the control power supply unit 5 includes a chip U5, and the chip U5 includes three pins, of which the first pin is connected to one end of the capacitor C12, the capacitor C13 and the resistor R21 at the same time, and the other end of the capacitor C12 and the capacitor C13 is grounded. The other end of the resistor R21 is connected to the positive electrode BAT+ of the battery, the second pin is connected to one end of the capacitor C9, the capacitor C10 and the capacitor C11 at the same time and then grounded, and the third pin is connected to the other end of the capacitor C9, the capacitor C10 and the capacitor C11 at the same time. The control voltage supply terminal VDD outputs the control voltage. The control power supply unit 5 can regulate and reduce the voltage of the positive electrode BAT+ of the battery, and then output the voltage required by the control circuit through the control voltage power supply terminal VDD.

As shown in Figure 11, the control circuit is also provided with a vibration prompting unit, the vibration prompting unit includes a vibration motor M, the vibration motor M vibrates when the smoking state changes, the positive pole M+ of the vibration motor and one end of the capacitor C4, the diode D1 The cathode is connected to the positive electrode BAT+ of the battery at the same time, the negative electrode M- of the vibration motor and the other end of the capacitor C4, the anode of the diode D1 is connected to the collector C of the transistor Q3 at the same time, the base B of the transistor Q3 is connected to one end of the resistor R10, and the resistor The other end of R10 is connected to the vibration prompt control enable signal terminal M-EN, and the emitter E of the transistor Q3 is grounded. When the vibration prompting control enable signal terminal M-EN of the above-mentioned vibration prompting unit has a signal, the vibration motor M starts to vibrate and prompt when it is powered on.

As shown in Fig. 1 and Fig. 2, because of the above-mentioned components and circuit structures, the tobacco-curing appliance 1 has the following functions during operation: when the user uses the smoking appliance 1, first Press the start switch K to turn on the battery power supply, and the control power supply unit 5 steps down and outputs the control voltage to provide power to the microcontroller 6 and related control circuits. The power unit 7 performs step-up or step-down processing according to the instructions of the microcontroller 6, and finally outputs different voltages to the heating element R. After the heating element R works, the temperature rises to the working temperature (for example, 230°C-270°C). At this time, the prompting unit performs a vibration prompt. The user can start smoking according to the vibration prompt of the prompting unit, and the timing unit 62 performs related timing.

During the set working time period, the resistance value detection unit 8 detects the resistance value of the heating element R when it is working. Since the resistance value of the heating element 3 will change when the user smokes, the microcontroller 6 will change the resistance value according to the resistance value. The signal can determine whether the user smokes or not. If the microcontroller 6 determines that the user is smoking, the voltage regulating unit 71 maintains a stable voltage output to keep the temperature of the heating element R at the working temperature. If the user does not smoke within 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 lowered to the standby temperature (for example, 100°C-150°C) and maintained, so that The power of the battery is saved, and the service life of the flue-cured tobacco is extended at the same time.

During the set standby time period after cooling down, when the infrared detection unit 9 is working, it detects the distance signal between its infrared light source and the human body, and sends the distance signal to the gesture signal processing unit 61, and the gesture signal processing unit 61 according to the distance signal. The rate of change predicts whether the user is ready to smoke. If the infrared detection unit 9 detects a gesture signal that the user is ready to smoke within the set standby time period, the gesture signal processing unit 61 sends out a temperature rise control signal at the moment when the gesture signal is detected, and the microcontroller 6 controls the power unit 7. Rapidly increase the output voltage to heat up. When the user puts the cigarette into the mouth for smoking, the heating temperature of the heating element R has been rapidly increased to the working temperature and maintained, so that the user can smoke immediately. If the gesture signal of smoking action is not detected within the set standby time period, the smoking appliance will automatically shut down.

The temperature-adjustable curing smoking set of the present invention has the advantage that it is provided with a microcontroller 6, a power unit 7, a resistance value detection unit 8, an infrared detection unit 9, a gesture signal processing unit 61 and a timing unit 62, etc. The unit 8 can detect whether the user is smoking, so that the microcontroller 6 can judge whether the temperature needs to be lowered, the infrared detection unit 9 can detect the gesture of smoking so that the microcontroller 6 can judge whether the temperature needs to be warmed up in advance, and the power unit 7 can output different powers to maintain different heating. temperature. In this way, when the user uses the curing smoking appliance to smoke normally, its heating temperature can be kept at the working temperature and can be smoked, and when the resistance detection unit 8 detects that the user does not smoke for a long time, the temperature can be lowered to the standby temperature and Entering the standby state, once the gesture signal of the user's smoking action is detected by the infrared detection unit 9 during standby, the temperature can be quickly raised to the working temperature required for smoking. In this way, it can not only reduce the power consumption of the battery, but also reduce the consumption of the cigarettes, prolong the utilization time of the cigarettes, prevent the cigarettes from producing a burnt or sticky smell, and quickly suck out the smoke and increase the amount of smoke per puff, thus improving the user's use. experience.

Industrial Applicability

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.

Claims

A heating temperature-adjustable tobacco curing appliance includes a heating assembly and a battery assembly, the heating assembly includes a heating element for curing cigarettes, the battery assembly includes a battery, a circuit control board and a start switch, the battery It is used to provide power to the heating element and the control circuit, and it is characterized in that the circuit control board includes a control circuit, and the control circuit is provided with a microcontroller, a power unit electrically connected to the microcontroller, a resistance value detection unit and a control circuit. Infrared detection unit, the microcontroller includes a gesture signal processing unit and a timing unit, the power unit is electrically connected to the battery and adjusts the battery voltage and outputs different voltages to the heating element, the resistance detection unit It is used to detect the resistance value of the heating element, the microcontroller determines the corresponding heating temperature according to the resistance value of the resistance, and the microcontroller also sends out a signal that the resistance value of the resistance does not change within a certain period of time. The temperature control signal, the infrared detection unit is electrically connected with the gesture signal processing unit, the infrared detection unit detects the distance signal between its infrared light source and the human body and transmits it to the gesture signal processing unit, and the gesture signal processing unit according to the The rate of change of the distance signal sends out a temperature rise control signal, and the timing unit performs time statistics on different smoking states respectively.
The smoking tool with adjustable heating temperature according to claim 1, wherein the control circuit is further provided with a control power supply unit that is electrically connected to the battery, and the control power supply unit controls the output of the battery after voltage regulation. Voltage.
The smoke-curing appliance with adjustable heating temperature according to claim 1, wherein the control circuit is further provided with a vibration prompting unit electrically connected with the microcontroller, and the vibration prompting unit comprises a vibration motor, The vibration motor performs vibration prompting when the smoking state changes.
The heating temperature-adjustable curing smoking tool according to claim 1, wherein the microcontroller includes a chip MCU and a connection circuit thereof, the chip MCU includes 28 pins, wherein the third pin is connected to the control The voltage supply terminal VDD, the 4th pin is grounded, the 5th pin is connected to the chip MCU reset signal terminal MCU-RST, the 6th pin is connected to the output voltage detection signal terminal VOUT-DET, and the 10th pin is connected to the current detection signal terminal I- DET, the 12th pin is connected to the vibration prompt control enable signal terminal M-EN, the 14th pin is connected to the start switch signal terminal KEY, the 15th pin is connected to the blue indicator signal terminal RGB-B, and the 16th pin is connected to the green The indicator signal terminal RGB-G, the 17th pin is connected to the red indicator signal terminal RGB-R, the 18th pin is connected to the infrared detection data reading control signal terminal IR-INT, and the 19th pin is connected to the infrared detection data signal terminal IR -SDA, the 20th pin is connected to the programming data signal terminal SWDIO, the 21st pin is connected to the data programming clock signal terminal SWCLK, the 22nd pin is connected to the infrared detection communication clock signal terminal IR-SCL, and the 28th pin is connected to the output control Signal terminal PWM.
The smoking tool with adjustable heating temperature according to claim 4, wherein the output voltage detection signal terminal VOUT-DET is simultaneously connected to one end of the capacitor C8, one end of the resistor R15 and one end of the resistor R16, and the resistor The other end of R15 is connected to the output voltage signal end PWM-OUT, and the other end of the resistor R16 and the other end of the capacitor C8 are grounded at the same time;

The start switch signal terminal KEY is simultaneously connected to one end of the resistor R20 and one end of the start switch, the other end of the resistor R20 is connected to the control voltage power supply terminal VDD, and the other end of the start switch is grounded;

The chip MCU reset signal terminal MCU-RST is connected to one end of the capacitor C14, and the other end of the capacitor C14 is grounded.
The heating temperature-adjustable curing smoking tool according to claim 1, wherein the resistance detection unit comprises a chip U2, and the chip U2 comprises 6 pins, wherein the first pin and the second pin At the same time grounded, the third pin is connected to one end of the capacitor C1 and one end of the resistor R1 at the same time, the other end of the capacitor C1 is grounded, and the other end of the resistor R1 is connected to the positive electrode BAT+ of the battery; the fourth pin is connected to the capacitor C2 at the same time. One end and one end of the resistor R6, the other end of the resistor R6 is connected to one end of the sampling resistor R7 and the output voltage signal end PWM-OUT at the same time, and the 5th pin is connected to the other end of the capacitor C2 and one end of the resistor R8 at the same time, so The other end of the resistance R8 is connected to the other end of the sampling resistance R7 and one end of the heating element simultaneously, the other end of the heating element is grounded, the 6th pin is connected to one end of the resistance R9, and the other end of the resistance R9 is connected to the capacitor C3 at the same time. One end of the capacitor C3 and the current detection signal terminal I-DET, the other end of the capacitor C3 is grounded, and the resistance value detection unit detects the resistance of the heating element by detecting the current flowing through the sampling resistor R7.
The heating temperature-adjustable curing smoking tool according to claim 1, wherein the infrared detection unit includes a chip U4, and the chip U4 includes 8 pins, wherein the first pin is used as an infrared detection data signal terminal IR-SDA is connected to one end of the resistor R14 at the same time, and the other end of the resistor R14 is connected to the control voltage power supply terminal VDD, the second pin is used as the infrared detection data reading control signal terminal IR-INT, the third pin and the fourth lead are connected. Pin connection, the 5th pin is connected to the battery positive electrode BAT+ and one end of the capacitor C6 at the same time, the 6th pin is grounded, the 7th pin is used as the infrared detection communication clock signal terminal IR-SCL, and at the same time is connected to one end of the resistor R13, the resistance The other end of R13 is connected to the control voltage supply terminal VDD, and the eighth pin is simultaneously connected to the control voltage supply terminal VDD and one end of the capacitor C5. The other end of the capacitor C5 is connected to the other end of the capacitor C6 and then grounded.
The smoking tool with adjustable heating temperature according to claim 1, wherein the power unit includes a MOS transistor Q1 and a triode Q2, the S pole of the MOS transistor Q1 is connected to the positive electrode BAT+ of the battery, and the D pole is used as an output The voltage signal terminal PWM-OUT, the G pole is connected to one end of the resistor R3, the other end of the resistor R3 is connected to one end of the resistor R2 and the C pole of the transistor Q2 at the same time, the other end of the resistor R2 is connected to the battery positive electrode BAT+, the The B pole of the transistor Q2 is connected to one end of the resistor R4, the E pole is connected to the ground and one end of the resistor R5 at the same time, and the other end of the resistor R4 and the other end of the resistor R5 are connected to the output control signal terminal PWM at the same time.
The heating temperature-adjustable curing smoking tool according to claim 2, wherein the control power supply unit includes a chip U5, and the chip U5 includes 3 pins, wherein the first pin is connected to the capacitor C12 and the capacitor at the same time. One end of C13 and resistor R21, the other ends of capacitor C12 and capacitor C13 are grounded, the other end of resistor R21 is connected to the positive electrode BAT+ of the battery, and the second pin is connected to one end of capacitor C9, capacitor C10 and capacitor C11 at the same time. Grounding, the third pin is connected to the other ends of the capacitor C9, the capacitor C10 and the capacitor C11 at the same time, and is used as the control voltage power supply terminal VDD to output the control voltage.
The smoking tool with adjustable heating temperature according to claim 3, wherein the positive electrode of the vibration motor, one end of the capacitor C4 and the cathode of the diode D1 are simultaneously connected to the positive electrode BAT+ of the battery, and the vibration motor is connected to the positive electrode BAT+ of the battery. The negative electrode and the other end of the capacitor C4 and the anode of the diode D1 are connected to the collector C of the transistor Q3 at the same time, the base B of the transistor Q3 is connected to one end of the resistor R10, and the other end of the resistor R10 is connected to the vibration prompt control enable signal terminal M -EN, the emitter E of the transistor Q3 is grounded.