WO2017185355A1 - 一种检测电子烟中烟油是否耗尽的方法 - Google Patents

一种检测电子烟中烟油是否耗尽的方法 Download PDF

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Publication number
WO2017185355A1
WO2017185355A1 PCT/CN2016/080775 CN2016080775W WO2017185355A1 WO 2017185355 A1 WO2017185355 A1 WO 2017185355A1 CN 2016080775 W CN2016080775 W CN 2016080775W WO 2017185355 A1 WO2017185355 A1 WO 2017185355A1
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WO
WIPO (PCT)
Prior art keywords
electronic cigarette
smoke
temperature
heating wire
smoke oil
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Application number
PCT/CN2016/080775
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English (en)
French (fr)
Inventor
刘秋明
向智勇
牛建华
韦志林
Original Assignee
惠州市吉瑞科技有限公司深圳分公司
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Application filed by 惠州市吉瑞科技有限公司深圳分公司 filed Critical 惠州市吉瑞科技有限公司深圳分公司
Priority to PCT/CN2016/080775 priority Critical patent/WO2017185355A1/zh
Publication of WO2017185355A1 publication Critical patent/WO2017185355A1/zh

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Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50Control or monitoring
    • A24F40/53Monitoring, e.g. fault detection
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/60Devices with integrated user interfaces
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10Devices using liquid inhalable precursors

Definitions

  • the present invention relates to the field of electronic cigarette technology, and in particular, to a method for detecting whether smoke oil in an electronic cigarette is exhausted.
  • Electronic cigarette is a relatively common artificial electronic cigarette product, mainly used for smoking cessation and replacement of cigarettes; the structure of electronic cigarette mainly includes battery components and atomizing components; when the smoker's smoking action is detected, the battery component is The atomizing component supplies power to make the atomizing component in the squirming state; when the atomizing component is turned on, the heating wire is heated, and the smoke oil is evaporated by heat to form an aerosol which simulates the smoke, so that the user has a kind of sucking Similar to the feeling of smoking.
  • the existing electronic cigarette has sufficient smoke oil in the early stage of smoking, so the smoke taste is pure, but the electronic cigarette uses an opaque oil storage chamber, and the user cannot see the remaining amount of the oil in the oil storage chamber, and the electron Smoke does not have the warning and warning function of the amount of smoke oil, which leads to the situation that after the smoking, the smoke oil becomes less or exhausted, and the smoking continues to cause the odor of burning cotton, which brings a very bad experience to the user.
  • the present invention is directed to the prior art, the electronic cigarette can not let the user know whether the smoke oil is about to be exhausted, and the smoking oil is about to run out, continue to smoke, resulting in technical problems of burning cotton, providing a detection electron
  • the method of exhausting smoke oil in the cigarette and an electronic cigarette realize that the cigarette smoke is about to run out, the control electronic cigarette refuses to respond to the user's smoking action, stops the atomization work, avoids the phenomenon of burning cotton, thereby improving the user Use experience.
  • the present invention provides a method for detecting whether smoke oil in an electronic cigarette is exhausted, the electronic cigarette includes an atomizing component for storing and atomizing the smoke oil, and a battery for supplying power to the atomizing component Component, method includes Next steps:
  • the battery assembly and the atomization assembly are detachably connected, and the smoke oil detection trigger signal in the step S1 is A trigger signal generated when the battery pack is connected to the atomizing component.
  • the smoke oil detection trigger signal in the step S0 is used to trigger the normal atomization smoke of the atomization component in the electronic cigarette. Oil smoking signal.
  • the electronic cigarette further includes a soot detecting switch, and the smoke detecting trigger signal in the step SO is the soot detecting.
  • the signal of the action is the soot detecting.
  • the battery assembly and the atomization assembly are detachably connected, and the electronic cigarette further includes a smoke detection device.
  • the smoke detecting trigger signal in the step S is any one of the following: a trigger signal generated by connecting the battery assembly and the atomizing component, a smoking signal, and an action signal of the soot detecting.
  • the atomization assembly is provided with a smoke oil adsorbing member for adsorbing the smoke oil, and the heating wire and the smoke oil are adsorbed.
  • the first preset temperature is lower than the melting point/flaming point temperature of the smoke oil adsorbing member
  • the difference between the first preset temperature and the melting point/flaming point temperature of the smoke adsorbing member is between 10 ° C and 50 Between °C.
  • the material of the smoke oil adsorbing member is cotton, and the difference between the first preset temperature and the flash point of the cotton is 10°. Above C.
  • the first preset temperature is greater than
  • the second preset temperature is less than the first preset temperature.
  • the second preset temperature is equal to the first preset temperature.
  • the detecting the heating wire temperature in the step S2 includes: detecting the temperature of the heating wire by using a temperature sensor .
  • the temperature sensor is a thermocouple temperature sensor, and the thermocouple temperature sensor is connected to an end of the heating wire.
  • Step S4 outputting an alarm message for reminding the user that the smoke oil is exhausted, the alarm information includes text information, At least one of voice information, vibration information, and lighting information.
  • the electronic cigarette can not let the user know whether the oil is about to be exhausted, and the smoking is continued, and the technical problem of burning the cotton is realized, and the electronic cigarette is rejected after the smoke oil is about to be exhausted. Respond to the user's smoking action, stop the atomization work, to avoid the phenomenon of burning cotton, thereby improving the user Use experience.
  • the method of comparing the interval between the specific temperature changes after the power is turned off, compared with the method of detecting the temperature change rate by the power-on avoids the use of the electronic cigarette in the prior art, after the e-cigarette is used for a period of time, the smoke oil is not used up. Because the electronic cigarette has a temperature deposition around the heating wire in the nebulizer during use, it cannot accurately detect whether there is smoke oil in the atomizer.
  • the method of detecting the temperature change speed by the electric current is The temperature change rate caused by heating is different at different initial ambient temperatures, and the first preset temperature and the second preset temperature in the present application are set, and the corresponding energy change amount between the compared intervals It is absolute and therefore not subject to the applied initial ambient temperature and is more accurate.
  • FIG. 1 is a block diagram showing the structure of an internal circuit of a first electronic cigarette according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a method for detecting whether smoke oil in an electronic cigarette is exhausted according to an embodiment of the present invention
  • FIG. 3 is a second method for detecting smoke oil in an electronic cigarette according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a third method for detecting whether smoke oil is exhausted in an electronic cigarette according to an embodiment of the present invention
  • FIG. 5 is a flowchart of an embodiment of the present invention.
  • thermocouple sensor 6 is a schematic diagram of a circuit structure for detecting a temperature of a heating wire by a thermocouple sensor according to an embodiment of the present invention
  • FIG. 7 is a block diagram of an internal circuit structure of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a microprocessor and its peripheral circuits according to an embodiment of the present invention.
  • FIG. 9 is a circuit schematic diagram of detecting a voltage of an end portion of a heating wire by a partial pressure according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of an internal circuit of an electronic cigarette according to an embodiment of the present invention. Schematic diagram of linear regulator circuit;
  • FIG. 11 is a schematic diagram of a reset circuit used in an internal circuit of an electronic cigarette according to an embodiment of the present invention
  • 12 is a flowchart of a method for detecting whether smoke oil is exhausted in an electronic cigarette according to an embodiment of the present invention
  • FIG. 13 is a schematic diagram of an internal circuit of an electronic cigarette according to an embodiment of the present invention. Display alarm circuit schematic diagram;
  • FIG. 14 is a schematic diagram of a trigger circuit used in an internal circuit of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 15 is a schematic diagram of a charging management sub-circuit of a power supply circuit used in an internal circuit of an electronic cigarette according to an embodiment of the present invention
  • 16 is a schematic diagram of an external charging electronic circuit of a power supply circuit used in an internal circuit of an electronic cigarette according to an embodiment of the present invention
  • FIG. 17 is a schematic diagram of a battery voltage detecting circuit used in an internal circuit of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 18 is a schematic diagram of a battery protection circuit used in an internal circuit of an electronic cigarette according to an embodiment of the present invention.
  • Embodiments of the present invention provide a method for detecting whether smoke oil in an electronic cigarette is exhausted, and the method for solving the prior art that the electronic cigarette cannot let the user know whether the smoke oil is about to be exhausted, and the smoke oil is about to be exhausted. ⁇
  • the control electronic cigarette refuses to respond to the user's smoking action, stops the atomization work, and avoids the phenomenon of burning cotton, thereby improving the user experience.
  • the electronic cigarette includes an atomizing assembly for storing and atomizing the smoke oil and a battery assembly for powering the atomizing assembly.
  • the atomizing assembly includes a heating wire 2.
  • the battery pack includes a detection control circuit 1, a power supply circuit 3, and a power supply circuit 3 supplies power to the detection control circuit 1 and the heating wire 2.
  • the method of the present invention includes the following steps:
  • the circuit path of the battery assembly and the atomization assembly is set to a conductive state, and the battery assembly supplies power to the heating wire for atomizing the smoke oil in the atomization assembly to operate the heating wire;
  • the detection control circuit 1 sets the circuit path of the battery component and the atomization component to a conductive state, and the power supply circuit 3 of the battery component is used for atomizing the smoke into the atomization component.
  • the temperature of 2 rises to a first preset temperature ⁇ , switching the circuit path of the battery assembly and the atomizing assembly to a broken state, so that the power supply circuit 3 stops supplying power to the heating wire 2;
  • the detection control circuit 1 records the first preset temperature to the second preset after detecting that the temperature of the heating wire 2 changes to a second preset temperature ⁇ The inter-turn interval between the temperatures; [0056] S4, when the inter-turn interval is greater than a preset value, determining that the e-cigarette is exhausted in the electronic cigarette, and maintaining the circuit path of the battery assembly and the atomizing component in a broken state .
  • the detection control circuit 1 determines that the smoke oil is exhausted in the electronic cigarette when the inter-turn interval is greater than a preset value, and the detection control circuit 1 connects the battery component and the atomization component. The circuit path remains in a broken state.
  • the inter-turn interval of the heating wire from the first preset temperature to the second preset temperature is recorded after the power is cut off, and the electronic cigarette is determined when the inter-turn interval is greater than a preset value.
  • the middle smoke oil is exhausted, thereby keeping the circuit path of the battery assembly and the atomizing assembly in a broken state, and stopping the supply of the heating wire. That is to say, the specific heat capacity of the smoke oil is greater than the heat capacity of the heat wire (that is, when the smoke oil and the smoke oil absorb the heat generated by the heat generated by the heat wire), the temperature of the heat wire is lowered faster than the smoke oil, and the heat is detected.
  • the electronic cigarette can not let the user know whether the oil is about to be exhausted, and the smoking is continued, and the technical problem of burning the cotton is realized, and the electronic cigarette is rejected after the smoke oil is about to be exhausted.
  • stop the atomization work and control the electronic cigarette to stop working to avoid the phenomenon of burning cotton, thereby improving the user experience.
  • the specific heat capacity of the heating wire is not A, and the specific heat capacity of the oil is B (greater than A), and the specific heat capacity of the smoked iron on the heating wire is C, wherein C Greater than A and less than B. It is well known that the greater the specific heat capacity of a substance, the less energy consumed by absorbing the same temperature difference, and the present invention is based on this principle.
  • the method of comparing the interval between the specific temperature changes after the power is turned off, compared with the method of detecting the temperature change speed by the power-on avoids the use of the electronic cigarette in the prior art after a period of time, the use of the smoke oil Not exhausted, due to the temperature deposition around the heating wire in the atomizer during the use of the electronic cigarette, it is impossible to accurately detect whether there is smoke oil in the atomizer.
  • the method of detecting the temperature change rate by energization is different at different initial ambient temperatures, and the temperature change rate due to heating is different.
  • the first preset temperature and the second preset temperature are set, and the amount of energy change corresponding to the interval between the comparisons is absolute, so that it is not affected by the applied initial ambient temperature, and accurate.
  • the triggering event may be to connect the battery assembly to the atomizing assembly.
  • the smoke detecting trigger signal in the step SO is a trigger signal generated after the battery component is connected to the atomizing component.
  • the step SO is specifically as follows: S01: A trigger signal generated after the connection between the battery component and the atomizing component is detected.
  • an electronic cigarette has two electrodes connected to a heating wire in the atomizing assembly.
  • the trigger signal can improve the electrode structure, and increase the third electrode connected between the atomizing component and the battery component.
  • the path of the third electrode is turned on to generate a trigger signal;
  • Some of the electrodes obtain a trigger signal, for example, one electrode is grounded, the other electrode is connected to a pin of the microprocessor chip, and the microprocessor outputs a high level to the electrode connected thereto, when the atomizing component is connected to the battery component, Then, the pin level of the microprocessor is pulled low, that is, the microprocessor receives a low level trigger signal, and then the microprocessor determines that the atomizing component is connected to the battery component according to the low level trigger signal.
  • a smoking event that triggers heating of the heating wire can be directly used as a triggering event.
  • the smoke detecting trigger signal in the step so is a smoking signal for triggering the atomizing component of the atomizing component in the electronic cigarette
  • the step S0 is specifically: S02, detecting a smoking signal.
  • the generation and detection of smoking signals is prior art, for example, a user smoking a chimney airflow sensor generates a smoking signal or is used to control the operation of an electronic cigarette.
  • the smoking button is triggered to generate a smoking signal, so it will not be described here.
  • a specific trigger event may be set for the method of the present invention, for example, a soot detection switch is specially configured to implement the function of the present invention, and the utility model is connected to the microprocessor, and the smoke smoke detection can be pressed. Generate corresponding action signals.
  • the smoke oil detection trigger signal in the step SO is an action signal of the oil smoke detection.
  • the step SO is specifically as follows: S03, an action signal detecting the detection of the soot is detected.
  • the triggering event may also preferably be a set of the above-mentioned events, that is, the cigarette oil detection is required to connect the battery assembly and the misting component, the smoking ⁇ , and the start of the soot detection, that is,
  • the smoke detecting trigger signal in the step SO is any one of the following: a trigger signal generated by the battery component connected to the atomizing component, a smoking signal, and an action signal of the soot detecting. Therefore, the step SO can be any of the following specific steps:
  • the SO detects a trigger signal generated after the battery component is connected to the atomizing component
  • the atomizing assembly is provided with a smoke adsorbing member for adsorbing smoke oil, and the heating wire is attached to the oil adsorbing member to atomize the smoke oil in the smoke oil adsorbing member.
  • the first preset temperature is less than the melting point/flaming point temperature of the smoke oil adsorbing member to prevent the smoke adsorbing member from melting at a high temperature, and generally the first preset temperature is greater than 100 ° C.
  • the first preset temperature is less than a heating temperature of the heating wire of the electronic cigarette.
  • the difference between the first preset temperature and the melting point/flaming point temperature of the smoke adsorbing member is 10 ° C. Between 50 ° C.
  • the difference between the first preset temperature and the flash point of the cotton is above 10 ° C, and is generally set to be less than 15 to 20 ° C.
  • the second preset temperature is preferably smaller than the first a preset temperature
  • step S2 In conjunction with a specific circuit, a specific temperature detecting method in step S2 is provided below.
  • the detecting the heating wire temperature in the step S2 includes: detecting the temperature of the heating wire by a temperature sensor.
  • the detection control circuit 1 includes a microprocessor 10 and a temperature detecting sub-circuit 11 connected to the microprocessor 10.
  • the microprocessor 10 is configured to control the power supply circuit 3 to supply power to the heating wire 2 to operate the heating wire 2; the temperature detecting sub-circuit 11 is configured to obtain the temperature of the heating wire 2 And sent to the microprocessor 10; the microprocessor 10 is further configured to determine based on the temperature, when the temperature rises to a first preset temperature, switch the circuit path of the battery component and the atomizing component to a broken state So that the power supply circuit stops supplying power to the heating wire; then, the temperature of the heating wire 2 is continuously detected, and when the temperature of the heating wire reaches the second preset temperature, the first preset temperature is recorded to the second preset
  • the inter-turn interval between the temperatures when the inter-turn interval is greater than a preset value ⁇ , determines that the e-cigarette is exhausted in the e-cigarette, and the microprocessor 10 maintains the circuit path of the battery assembly and the atomizing assembly in a broken state.
  • the temperature detecting sub-circuit 11 can employ a temperature sensor, the temperature sensor is a thermocouple temperature sensor, and the thermocouple temperature sensor is connected to an end of the heating wire 2.
  • the thermocouple temperature sensor includes: a first end line 22 and a second end line 23 connected to the end portion 211 of the heating wire 2; wherein the first end line 22 and the second end line 23 are of two types. Wires of different materials (including alloy wire and non-alloy wire), such as copper, iron or constantan.
  • alloy wire and non-alloy wire such as copper, iron or constantan.
  • the other end portion 212 of the heating wire 2 opposite to the end portion 211 is connected to one end of the electron beam 24 (which is generally conductive); the other end of the electron beam 24 is connected to the positive electrode of the battery, and the second end line 33 The other end is connected to the ground for forming a power supply circuit of the heating wire 2; the end of the first end line 32 and the second end line 33 remote from the heating wire 2 is connected to the signal amplifier 25 for forming a temperature detecting circuit of the heating wire 2. .
  • the microprocessor 10 of the electronic cigarette controls the power supply circuit of the heating wire 2 to be turned on, and the heating wire 2 is energized and heated, at the first end line 32 (such as nickel-chromium material) and the second end line 33. (such as constantan material) The temperature difference is formed at both ends.
  • the detection control circuit 1 further includes: a first switch member 13 connected to the microprocessor 10; the microprocessor 10 is configured to control the first switch member 13 Turning on or off, to control the power supply circuit 3 to supply power to the heating wire 2 or to stop power supply.
  • the first ⁇ 13 is a field effect transistor; the drain of the first 13 13 Connected to the heating wire 2, the source of the first closing member 13 is grounded, and the microprocessor 10 is connected to the gate of the first switching member 13 for controlling the first gate
  • the member 13 is turned on or off to control the power supply circuit 3 to supply power to the heating wire 2 or to stop power supply.
  • FIG. 8 and FIG. 9 Taking a specific internal circuit of an electronic cigarette as an example, please refer to FIG. 8 and FIG. 9.
  • the microprocessor 10 in FIG. 7 corresponds to the single chip STM32F030K6 in FIG. 8, and the heating wire 2 and the first switching device in FIG. 13 corresponds to the heating wire L and the field effect transistor Q1 in FIG. 9 respectively; the letters on the terminals in FIG. 8 and FIG. 9 indicate that the transmitted signal identifiers and the plurality of terminals marked with the same signal identifier are connected, and Other specific circuit diagrams in this embodiment also follow this rule.
  • the heating wire L (generally about 0.3 ohms) 0+ terminal battery positive B+
  • the heating wire L 0-end is connected to the drain of the FET Q1, the source of the FET Q1 Grounding
  • the PB0 end of the No. 14 pin of the STM32F030K6 is connected to the gate of the FET Q1, and is used to transmit the PWM wave signal labeled DRIV to control the Q1 to be turned on or off, thereby controlling the power supply loop of the heating wire L to be turned on. Or broken.
  • the electronic cigarette further includes: a linear regulator circuit 4 connected to the power supply circuit 3 and the microprocessor 10, for adjusting the power supply circuit
  • the operating voltage supplied to the microprocessor 10 is such that the regulated operating voltage is stabilized at the nominal operating voltage of the microprocessor 10.
  • FIG. 10 it is a schematic diagram of a linear voltage regulator circuit used in an internal circuit of an electronic cigarette. Referring to FIG. 8 and FIG. 10, the rated operating voltage of the single chip STM32F030K6 in FIG. 8 is 3V, in FIG.
  • the positive voltage of the battery is input to the voltage regulator TLV70430 through the voltage regulator D5 to adjust the voltage of the electronic cigarette battery output greater than 3V, and output a stable 3V VDD voltage to the microprocessor (ie, the single chip STM32F030K6 shown in FIG. 8)
  • the #1 pin of the VDD terminal provides the microprocessor with an operating voltage that allows it to operate normally.
  • the electronic cigarette further includes: a reset circuit 5 connected to the microprocessor 10, configured to detect an internal working voltage of the microprocessor 10, and A reset signal is output to the microprocessor 10 after the internal operating voltage is lower than the first predetermined voltage.
  • a reset circuit 5 connected to the microprocessor 10, configured to detect an internal working voltage of the microprocessor 10, and A reset signal is output to the microprocessor 10 after the internal operating voltage is lower than the first predetermined voltage.
  • FIG. 11 is a schematic diagram of a reset circuit used in an internal circuit of the electronic cigarette. Referring to FIG. 8 and FIG. 11, the input terminal Vin of the reset circuit is connected to the VDD terminal of the No. 1 pin of the single chip STM32F030K6. The output terminal Vo u t is connected to the NRST terminal of the No.
  • the reset circuit detects the VDD voltage of the single chip S TM32F030K6, and after the VDD voltage is lower than 2.2V, to the single chip STM32F030K6
  • the NRST pin of the 4th pin sends a reset signal (such as a low level signal) to reset the microprocessor to prevent the microprocessor from running out of control.
  • step S4 in order to remind the user that the electronic cigarette smoke is about to be exhausted, please refer to FIG. 12.
  • step S4 the method further includes the following steps:
  • S5. Output alarm information to remind the user that the smoke oil is exhausted; wherein the alarm information includes at least one of text information, voice information, vibration information, and light information.
  • a display module for displaying text information, an audio module for broadcasting voice information, a vibration module for emitting vibration information, or an LED lamp for emitting light information may be set in the electronic cigarette, wherein the light information may be Light information with different brightness or different light information.
  • the electronic cigarette can be controlled to stop working to avoid the phenomenon of burning cotton, and the user can also remind the user that the smoke is exhausted. , thereby improving the user experience.
  • the electronic cigarette further includes: an alarm circuit 6 connected to the microprocessor 10; the microprocessor 10 is configured to determine the The smoke oil in the electronic cigarette is exhausted, and the alarm data is output to the alarm circuit 6; the alarm circuit 6 is configured to output alarm information based on the alarm data to remind the user that the smoke oil is exhausted; wherein the alarm information includes text At least one of information, voice information, vibration information, and lighting information.
  • a display module for displaying text information, an audio module for broadcasting voice information, a vibration module for emitting vibration information, or an LED lamp for emitting light information may be set in the electronic cigarette, wherein the light information may be Light information with different brightness or different light information.
  • the alarm circuit 6 displays output alarm information
  • the alarm circuit 6 includes: a display screen connected to the microprocessor 10, and the microprocessor 10 and the display a wake-up sub-circuit of the screen connection;
  • the microprocessor 10 is configured to output a wake-up trigger signal to the wake-up sub-circuit after determining that the smoke is exhausted in the electronic cigarette, and output the same to the display screen for display output Alarm data;
  • the wake-up sub-circuit is configured to wake up the display screen after receiving the wake-up trigger signal;
  • the display screen displays a text message to remind the user that the smoke oil is exhausted based on the alarm data after waking up .
  • the alarm circuit comprises a 96 ⁇ 16 dot matrix organic electro-laser display OLED and is connected thereto.
  • the wake-up sub-circuit includes a PNP type transistor Q3, an NPN type transistor Q4, and a P-channel field effect transistor Q5.
  • the base of the transistor Q3 is connected to the 21st pin PA11 of the single chip STM32F030K6, and the emitter and the input VDD voltage are connected.
  • the collector is connected to the 8th pin of the display, the base of the transistor Q4 is connected to the collector of the tertiary tube Q3, the emitter is grounded, the collector is connected to the positive voltage terminal B+ of the battery, and the gate of the FET Q5 is passed.
  • the resistor R51 is connected to the positive voltage terminal B+ of the battery, the source is directly connected to the positive voltage terminal B+ of the battery, and the drain is connected to the 5th pin VBAT (operating voltage input terminal) of the display.
  • the single chip STM32F0 30K6 outputs a high level signal to the base of the third stage tube Q3 through the PA11 end of the 21st pin, so that the triode Q3 Q4 and FET Q5 are all off and the display is powered off.
  • the wake-up trigger is triggered by the base of the 21st pin PA11 to the base of the tertiary tube Q3.
  • the signal (such as a low level signal), the transistor Q3 is turned on, and the transistor Q4 and the field effect transistor Q5 are turned on in turn, and the display is energized.
  • the SCL end of the 10th pin and the SDA end of the 11th pin of the display are respectively connected with the PA9 end of the 19th pin of the STM32F030K6 and the PA10 end of the 20th pin, that is, The single chip STM32F030K6 writes the alarm data for displaying the output to the display through the PA9 end of the 19th pin and the PA10 end of the 20th pin, so that the display screen displays the output based on the alarm data after waking up to remind the user of the fuel consumption. Text information.
  • the power supply circuit 3 has a function module for charging an external device
  • the electronic cigarette further includes a switch trigger circuit 7 connected to the microprocessor 10,
  • the first trigger switch 71 is configured to output a first trigger signal indicating that the smoking action is detected to the microprocessor 10 after receiving the triggering action, so that the microprocessor 10 is based on the first
  • the trigger signal controls the power supply circuit 3 to supply power to the heating wire 2
  • the second trigger switch 72 is configured to output a second trigger signal indicating that the smoking power is increased to the microprocessor 10 after receiving the triggering action So that the microprocessor 10 controls the power supply circuit 3 to increase the output power to the heating wire 2 based on the second trigger signal
  • the third trigger switch 73 is configured to receive the triggering action.
  • the power supply circuit 3 reduces the output power to the heating wire 2; the fourth trigger switch 74 is configured to output, to the microprocessor 10, a fourth trigger signal indicating charging to the external device after receiving the triggering action, The microprocessor 10 is caused to control the power supply circuit 3 to charge an external device based on the fourth trigger signal.
  • FIG. 14 is a schematic diagram of a trigger circuit used in an internal circuit of an electronic cigarette, and the first trigger switch 71 , the second trigger switch 72 , and the third trigger in FIG. 7 .
  • the Shaoguan 73 and the fourth trigger switch 74 respectively correspond to the switches (S1-S4) in FIG. 14, and the switches (S1-S4) in FIG.
  • the switch SI receives the trigger action, outputting a level signal (such as a high level signal) indicating that the smoking action is detected to the single chip microcomputer STM32F030K6, so that the microprocessor controls the conduction heat based on the high level signal.
  • a level signal such as a high level signal
  • the power supply circuit of the wire L when the switch S1 does not receive the trigger action, the high-level signal is not detected at the PB7 end of the microprocessor No. 30 pin, and the power supply circuit of the blow-up heating wire L is controlled; After the trigger action, output a level signal (such as a high level signal) indicating that the smoking power is increased to the single chip STM32F030K6, so that the single chip STM32F030K6 adjusts the PWM wave for controlling the conduction of the field effect transistor Q1 based on the high level signal.
  • the duty ratio is to increase the output power to the heating wire L.
  • the duty cycle of the PWM wave that is turned on by the tube Q1 is unchanged; when the triggering action is received by the S3, the STM32F030K6 outputs a level signal indicating that the smoking power is reduced (such as low power). Signal), so that the single chip microcomputer STM32F030K6 adjusts the duty ratio of the PWM wave for controlling the conduction of the field effect transistor Q1 based on the low level signal to reduce the output power to the heating wire L, when the switch S3 does not receive the trigger Action ⁇ , the low-level signal is not detected at the PB5 end of the No.
  • the power supply circuit 3 includes: an internal charging interface 31, a charging management sub-circuit 32, a battery 33, and an external charging sub-circuit 34 connected in sequence; Charging interface 3 1 for connecting to an external power source and acquiring electric energy; the charging management sub-circuit 32 is further connected to the microprocessor 10 for performing the battery 33 based on a battery charging management signal of the microprocessor 10. Charging management; The external charging sub-circuit 34 is further connected to the microprocessor 10 for charging an external device based on an external charging control signal of the microprocessor 10.
  • the external charging sub-circuit 34 includes: a third switching member connected to the microprocessor 10, and a fourth switching member connected to the third switching member and the battery 33, a fourth step is a boosting module connected to the battery 33, and an external charging interface connected to the boosting module 343 and configured to be connected to an external device; the third switching device is configured to acquire the external The charging control signal is turned on to turn on the fourth switching element, thereby causing the boosting module to communicate with the battery; the boosting module boosts the battery voltage, and boosts the battery The voltage is delivered to the external device through the external charging interface.
  • FIG. 15 and FIG. 16 is a schematic diagram of a power supply circuit used in an internal circuit of an electronic cigarette.
  • the circuit in FIG. 15 and the circuit in FIG. 16 are connected through a terminal Um.
  • the P1 interface (corresponding to the internal charging interface 31 in Fig. 7) is a USB interface for external charging of the electronic cigarette
  • the No. 1 pin of the P1 is connected to the battery charging management chip AP5056
  • the pins 6 and 7 of the AP5056 are connected. It is respectively connected with the PF1 end of the No. 3 pin and the PF0 end of the No. 2 pin of the single chip in FIG.
  • the MCU when the battery needs to be charged, the MCU outputs a low-level signal to the No. 7 pin of the AP5056 through the PF0 terminal of the No. 2 pin, and outputs a high-power signal to the No. 6 pin of the AP5056 through the PF1 end of the No. 3 pin.
  • Flat signal so that the electronic cigarette battery is in the state of charging; oppositely, when the battery is charged, the MCU outputs a high level signal to the No. 7 pin of the AP5056 through the PF0 end of the No. 2 pin, and passes through the No. 3 pin.
  • the PF1 terminal outputs a low level signal to the No. 6 pin of the AP5056, so that the electronic cigarette battery is in a state of being completed.
  • 16 is a schematic diagram of an external charging sub-circuit of an electronic cigarette.
  • the voltage signal outputted by the battery positive voltage output terminal B+ is filtered by the capacitors C19 and C20, and then input to the current mode boost converter MT3608.
  • the main boost module performs boost processing to boost the battery voltage of the electronic cigarette (such as 4V) to the 5V voltage required for charging of a general electronic device (such as a mobile phone), and outputs it through a P2 interface (specifically, a USB interface). . Further, in order to realize the management of the external charging function of the electronic cigarette, as shown in FIG.
  • the external charging sub-circuit includes: a field effect transistor Q6 connected in series with the power supply loop of the boost converter MT3608, and a base connected to the single chip STM32F030K6 and set A transistor Q7 whose electrode is connected to the gate of Q6.
  • the switch S4 receives the trigger signal
  • the MCU passes through the 13th tube.
  • the pin PA7 outputs a high level signal to the base of the transistor Q7, so that the transistor Q7 and the field effect transistor Q6 are both turned on, thereby energizing the boosting module and supplying power to the outside through the P2 interface.
  • the electronic cigarette battery is prohibited from supplying power to the external device.
  • the single chip STM32F030K6 outputs a low voltage to the base of the transistor Q7 through the PA7 end of the 13th pin.
  • the signal is flat so that the transistor Q7 and the FET Q6 are both off, so that the MT3608 is inoperable.
  • the pin 2-4 of the P1 interface is connected with the pins 4, 24, and 23 of the single chip STM32F030K6, and can be used to program the STM32F030K6.
  • the electronic cigarette further includes: a battery voltage detecting circuit 8 connected to the power supply circuit 3, configured to detect a voltage of the battery in the power supply circuit 3, and The power supply circuit 3 is controlled to stop supplying power to the heating wire 2 when the battery voltage is lower than the second predetermined voltage.
  • the battery voltage detection circuit consisting of resistors R44, R45 and capacitor C25. When the voltage of the battery is less than 3.3V, the control battery cannot supply power to the heating wire.
  • the electronic cigarette further includes: a battery protection circuit 9 connected to the two ends of the battery in the power supply circuit 3, configured to overcharge the battery Discharge or short circuit protection.
  • the battery protection circuit includes a battery protection integrated chip MM3280 and a FET Q8, the MM end of the MM3280 pin VDD is connected to the battery positive voltage output terminal B+, the sixth pin VSS terminal and the battery negative voltage.
  • the output terminal B-connection is used to detect whether the battery is abnormal (such as overcharge, overdischarge or short circuit);
  • the DO end of the MM3280 pin 1 is connected to the gate of the FET Q8, which is used to detect abnormality in the battery.
  • the control field effect transistor Q8 is turned on to protect the battery.
  • the electronic cigarette in the solution of the present application smokes in the user, and the smoke oil is about to be exhausted, and the control electronic cigarette refuses to respond to the user's smoking action, stops the atomization work, and avoids the phenomenon of burning cotton. You can also remind users that the smoke is running out, which improves the user experience.
  • the electronic cigarette has the functions of charging an external electronic device, managing and protecting the battery, and having various functions and stable performance, and has good practicability.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention may be embodied in one or more of A computer usable storage medium usable program code (including but not limited to, disk storage, CD-R 0 M, optical memory, etc.) in the form of a computer program product implemented on.
  • a computer usable storage medium usable program code including but not limited to, disk storage, CD-R 0 M, optical memory, etc.

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种检测电子烟中烟油是否耗尽的方法,包括:S0、检测到烟油检测触发信号;S1、将电池组件与雾化组件的电路通路设置为导通状态,电池组件向雾化组件中用于雾化烟油的发热丝供电,以使发热丝工作;S2、实时检测发热丝温度,当发热丝的温度上升到第一预设温度时,将电池组件与雾化组件的电路通路切换至断开状态,以停止给发热丝供电;S3、当检测到发热丝的温度变化到第二预设温度时,记录第一预设温度到所述第二预设温度之间的时间间隔;S4、当时间间隔大于预设值时,确定所述电子烟中烟油耗尽,将电池组件与雾化组件的电路通路保持在断开状态。

Description

一种检测电子烟中烟油是否耗尽的方法 技术领域
[0001] 本发明涉及电子烟技术领域, 尤其涉及一种检测电子烟中烟油是否耗尽的方法 背景技术
[0002] 电子烟是一种较为常见的仿真香烟电子产品, 主要用于戒烟和替代香烟; 电子 烟的结构主要包括电池组件和雾化组件; 当检测到吸烟者的吸烟动作吋, 电池 组件为雾化组件供电, 使雾化组件处于幵启状态; 当雾化组件幵启后, 发热丝 发热, 烟油受热蒸发雾化, 形成模拟烟气的气雾, 从而让使用者在吸吋有一种 类似吸烟的感觉。
[0003] 现有的电子烟在抽烟前段吋烟油充足, 因而烟气口感纯正, 但是电子烟使用的 是不透明的储油腔, 用户无法看到储油腔中的烟油余量, 并且电子烟也不具有 烟油余量提示、 警示功能, 导致到抽烟后段, 烟油变少或耗尽吋, 继续抽烟而 导致烧棉异味的情况, 从而给用户带来很不好的体验。
[0004] 也就是说, 现有技术中存在, 电子烟无法让用户获知烟油是否即将耗尽, 且在 烟油即将耗尽吋继续抽烟, 而导致烧棉的技术问题。
技术问题
[0005] 本发明针对现有技术中存在的, 电子烟无法让用户获知烟油是否即将耗尽, 且 在烟油即将耗尽吋继续抽烟, 而导致烧棉的技术问题, 提供一种检测电子烟中 烟油是否耗尽的方法及一种电子烟, 实现了在烟油即将耗尽吋, 控制电子烟拒 绝响应用户的吸烟动作, 停止雾化工作, 以避免烧棉现象发生, 从而提高用户 使用体验。
问题的解决方案
技术解决方案
[0006] 本发明提供的一种检测电子烟中烟油是否耗尽的方法, 所述电子烟包括用于存 储及雾化烟油的雾化组件及用于为所述雾化组件供电的电池组件, 方法包括以 下步骤:
[0007] S0、 检测到烟油检测触发信号, 进入步骤 S1 ;
[0008] Sl、 将电池组件与雾化组件的电路通路设置为导通状态, 所述电池组件向雾化 组件中用于雾化烟油的发热丝供电, 以使所述发热丝工作;
[0009] S2、 实吋检测发热丝温度, 当所述发热丝的温度上升到第一预设温度吋, 将电 池组件与雾化组件的电路通路切换至断幵状态, 以停止给所述发热丝供电; [0010] S3、 当检测到所述发热丝的温度变化到第二预设温度吋, 记录所述第一预设温 度到所述第二预设温度之间的吋间间隔;
[0011] S4、 当所述吋间间隔大于预设值吋, 确定所述电子烟中烟油耗尽, 将电池组件 与雾化组件的电路通路保持在断幵状态。
[0012] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述电池组件与所述雾 化组件为可拆卸连接, 所述步骤 SO中的所述烟油检测触发信号为电池组件与雾 化组件连接后产生的触发信号。
[0013] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述步骤 SO中的所述烟 油检测触发信号为用于触发电子烟中的雾化组件正常雾化烟油的吸烟信号。
[0014] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述电子烟还包括一个 油烟检测幵关, 所述步骤 SO中的所述烟油检测触发信号为油烟检测幵关的动作 信号。
[0015] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述电池组件与所述雾 化组件为可拆卸连接, 所述电子烟还包括一个油烟检测幵关, 所述步骤 SO中的 所述烟油检测触发信号为以下任一种: 电池组件与雾化组件连接后产生的触发 信号、 吸烟信号、 油烟检测幵关的动作信号。
[0016] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述雾化组件内设置有 用于吸附烟油的烟油吸附件, 所述发热丝与所述烟油吸附件相贴合以雾化所述 烟油吸附件中的烟油, 所述第一预设温度小于所述烟油吸附件的熔点 /燃点温度
[0017] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述第一预设温度与所 述烟油吸附件的熔点 /燃点温度的差值在 10°C至 50°C之间。 [0018] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述烟油吸附件的材质 为棉, 所述第一预设温度与棉的燃点的差值在 10°C以上。
[0019] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述第一预设温度大于
100°C=
[0020] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述第二预设温度小于 所述第一预设温度。
[0021] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述第二预设温度等于 所述第一预设温度。
[0022] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述步骤 S2中所述的实 吋检测发热丝温度包括: 通过温度传感器实吋检测所述发热丝的温度。
[0023] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 所述温度传感器为热电 偶温度传感器, 所述热电偶温度传感器与所述发热丝的端部相连。
[0024] 在本发明所述的检测电子烟中烟油是否耗尽的方法中, 在步骤 S4之后还包括步 骤: S5、 输出提醒用户烟油耗尽的报警信息, 所述报警信息包括文字信息、 语 音信息、 振动信息和灯光信息四者至少其一。
发明的有益效果
有益效果
[0025] 本发明提供的一个或多个技术方案, 至少具有如下技术效果或优点:
[0026] 在本发明方案中, 在断电后记录发热丝从第一预设温度到第二预设温度的吋间 间隔, 并在吋间间隔大于预设值吋确定所述电子烟中烟油耗尽, 从而将电池组 件与雾化组件的电路通路保持在断幵状态, 停止为所述发热丝供电。 也就是说 , 利用烟油比热容大于发热丝比热容的特点 (即当有烟油吋烟油会吸收发热丝 发热产生的热量) , 使得发热丝的温度降低速度比没有烟油吋快, 通过检测发 热丝的温度变化所需吋间, 从而获知发热丝是否接触有烟油, 从而判断电子烟 中烟油是否耗尽, 并在确定烟油即将耗尽吋, 停止为发热丝供电; 有效地解决 了现有技术中电子烟无法让用户获知烟油是否即将耗尽, 且在烟油即将耗尽吋 继续抽烟, 而导致烧棉的技术问题, 实现了在烟油即将耗尽吋, 控制电子烟拒 绝响应用户的吸烟动作, 停止雾化工作, 以避免烧棉现象发生, 从而提高用户 使用体验。 而且, 断电后比较特定温度变化所需的间隔吋间的方法, 与通电检 测温度变化速度的方法相比, 避免了现有技术中, 电子烟使用一段吋间后, 烟 油未用尽吋, 由于电子烟在使用过程中, 雾化器内发热丝周围具有温度沉积, 而使其不能准确的检测雾化器内是否有烟油的问题, 具体而言, 通电检测温度 变化速度的方法在不同的初始环境温度下, 加热导致的温度变化速度是不一样 的, 而本申请中第一预设温度和第二预设温度的是设定的, 所比较的间隔吋间 对应的能量变化量是绝对的, 因此不会受到所应用的初始环境温度的影响, 更 加精确。
对附图的简要说明
附图说明
[0027] 为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实施例或 现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的 附图仅仅是本发明的实施例, 对于本领域普通技术人员来讲, 在不付出创造性 劳动的前提下, 还可以根据提供的附图获得其他的附图。
[0028] 图 1为本发明实施例应用的第一种电子烟内部电路结构框图;
[0029] 图 2为本发明实施例提供的第一种检测电子烟中烟油是否耗尽的方法流程图; [0030] 图 3为本发明实施例提供的第二种检测电子烟中烟油是否耗尽的方法流程图; [0031] 图 4为本发明实施例提供的第三种检测电子烟中烟油是否耗尽的方法流程图; [0032] 图 5为本发明实施例提供的一种基于温度检测子电路检测发热丝温度的电子烟 内部电路结构框图;
[0033] 图 6为本发明实施例提供的一种通过热电偶传感器检测发热丝温度的电路结构 示意图;
[0034] 图 7为本发明实施例提供的一种电子烟内部电路结构框图;
[0035] 图 8为本发明实施例提供的一种微处理器及其外围电路原理图;
[0036] 图 9为本发明实施例提供的一种通过分压检测发热丝端部电压的电路原理图; [0037] 图 10为本发明实施例提供的一种电子烟内部电路中所采用的线性稳压电路原理 图;
[0038] 图 11为本发明实施例提供的一种电子烟内部电路中所采用的复位电路原理图; [0039] 图 12为本发明实施例提供的第五种检测电子烟中烟油是否耗尽的方法流程图; [0040] 图 13为本发明实施例提供的一种电子烟内部电路中所采用的显示报警电路原理 图;
[0041] 图 14为本发明实施例提供的一种电子烟内部电路中所采用的幵关触发电路原理 图;
[0042] 图 15为本发明实施例提供的一种电子烟内部电路中所采用的供电电路的充电管 理子电路原理图;
[0043] 图 16为本发明实施例提供的一种电子烟内部电路中所采用的供电电路的对外充 电子电路原理图;
[0044] 图 17为本发明实施例提供的一种电子烟内部电路中所采用的电池电压检测电路 原理图;
[0045] 图 18为本发明实施例提供的一种电子烟内部电路中所采用的电池保护电路原理 图。
本发明的实施方式
[0046] 本发明实施例通过提供一种检测电子烟中烟油是否耗尽的方法, 用于解决现有 技术中电子烟无法让用户获知烟油是否即将耗尽, 且在烟油即将耗尽吋继续抽 烟, 而导致烧棉的技术问题, 实现了在烟油即将耗尽吋, 控制电子烟拒绝响应 用户的吸烟动作, 停止雾化工作, 以避免烧棉现象发生, 从而提高用户使用体 验。
[0047] 下面结合具体的电子烟结构阐述本发明的方法。 如图 1所示, 电子烟包括用于 存储及雾化烟油的雾化组件及用于为所述雾化组件供电的电池组件。 雾化组件 包括发热丝 2。 电池组件包括检测控制电路 1、 供电电路 3, 供电电路 3为所述检 测控制电路 1和所述发热丝 2供电。
[0048] 参考图 2, 本发明的方法包括以下步骤:
[0049] S0、 检测到烟油检测触发信号, 进入步骤 S1 ;
[0050] Sl、 将电池组件与雾化组件的电路通路设置为导通状态, 所述电池组件向雾化 组件中用于雾化烟油的发热丝供电, 以使所述发热丝工作; [0051] 具体地, 在本实施例中, 检测控制电路 1将电池组件与雾化组件的电路通路设 置为导通状态, 所述电池组件的供电电路 3向雾化组件中用于雾化烟油的发热丝
2供电, 以使所述发热丝 2工作;
[0052] S2、 实吋检测发热丝温度, 当所述发热丝的温度上升到第一预设温度吋, 将电 池组件与雾化组件的电路通路切换至断幵状态, 以停止给所述发热丝供电; [0053] 具体地, 在本实施例中, 检测控制电路 1实吋检测发热丝 2温度, 当所述发热丝
2的温度上升到第一预设温度吋, 将电池组件与雾化组件的电路通路切换至断幵 状态, 以使得供电电路 3停止给所述发热丝 2供电;
[0054] S3、 当检测到所述发热丝的温度变化到第二预设温度吋, 记录所述第一预设温 度到所述第二预设温度之间的吋间间隔;
[0055] 具体地, 在本实施例中, 检测控制电路 1在检测到所述发热丝 2的温度变化到第 二预设温度吋, 记录所述第一预设温度到所述第二预设温度之间的吋间间隔; [0056] S4、 当所述吋间间隔大于预设值吋, 确定所述电子烟中烟油耗尽, 将电池组件 与雾化组件的电路通路保持在断幵状态。
[0057] 具体地, 在本实施例中, 检测控制电路 1在所述吋间间隔大于预设值吋, 确定 所述电子烟中烟油耗尽, 检测控制电路 1将电池组件与雾化组件的电路通路保持 在断幵状态。
[0058] 可见, 在本发明方案中, 在断电后记录发热丝从第一预设温度到第二预设温度 的吋间间隔, 并在吋间间隔大于预设值吋确定所述电子烟中烟油耗尽, 从而将 电池组件与雾化组件的电路通路保持在断幵状态, 停止为所述发热丝供电。 也 就是说, 利用烟油比热容大于发热丝比热容的特点 (即当有烟油吋烟油会吸收 发热丝发热产生的热量) , 使得发热丝的温度降低速度比没有烟油吋快, 通过 检测发热丝的温度变化所需吋间, 从而获知发热丝是否接触有烟油, 从而判断 电子烟中烟油是否耗尽, 并在确定烟油即将耗尽吋, 停止为发热丝供电; 有效 地解决了现有技术中电子烟无法让用户获知烟油是否即将耗尽, 且在烟油即将 耗尽吋继续抽烟, 而导致烧棉的技术问题, 实现了在烟油即将耗尽吋, 控制电 子烟拒绝响应用户的吸烟动作, 停止雾化工作, 及吋控制电子烟停止工作, 以 避免烧棉现象发生, 从而提高用户使用体验。 [0059] 具体而言, 设定发热丝在没有粘附烟油吋的比热容为 A, 烟油的比热容为 B ( 大于 A) , 当发热丝上粘附烟油吋的比热容为 C, 其中 C大于 A且小于 B。 众所周 知, 物质的比热容越大, 吸收同样的温度差所对应的能量所消耗的吋间更少, 本发明即是基于该原理实现。
[0060] 而且, 断电后比较特定温度变化所需的间隔吋间的方法, 与通电检测温度变化 速度的方法相比, 避免了现有技术中, 电子烟使用一段吋间后, 烟油用未用尽 吋, 由于电子烟在使用过程中, 雾化器内发热丝周围具有温度沉积, 而使其不 能准确的检测雾化器内是否有烟油的问题。 具体而言, 通电检测温度变化速度 的方法在不同的初始环境温度下, 加热导致的温度变化速度是不一样的。 而本 申请中第一预设温度和第二预设温度的是设定的, 所比较的间隔吋间对应的能 量变化量是绝对的, 因此不会受到所应用的初始环境温度的影响, 更加精确。
[0061] 其中, 执行本发明的方法的触发事件有多种, 即步骤 SO中的烟油检测触发信号 的形式有多种。
[0062] 例如, 对于电池组件与雾化组件可拆卸连接的情况, 触发事件可以是在将电池 组件与雾化组件连接。 为此, 所述步骤 SO中的所述烟油检测触发信号为电池组 件与雾化组件连接后产生的触发信号。 步骤 SO具体为: S01、 检测到电池组件与 雾化组件连接后产生的触发信号。
[0063] 一般电子烟中具有两个连接雾化组件中的发热丝的电极。 触发信号可以通过改 进电极结构, 增加雾化组件和电池组件之间连接吋的第三电极, 当雾化组件连 接电池组件后, 第三电极所在通路导通会产生一个触发信号; 也可以利用现有 的两个电极获取触发信号, 例如一个电极接地, 另一个电极连接微处理器芯片 的引脚, 微处理器给与其连接的电极输出高电平, 当将雾化组件与电池组件连 接后, 则微处理器的引脚电平被拉低, 即微处理器接收到低电平的触发信号, 于是微处理器根据所述低电平的触发信号判断雾化组件与电池组件连接。
[0064] 再例如, 可以直接借助触发发热丝发热的吸烟事件作为触发事件。 则所述步骤 so中的所述烟油检测触发信号为用于触发电子烟中的雾化组件正常雾化烟油的 吸烟信号, 步骤 S0具体为: S02、 检测到吸烟信号。 吸烟信号的产生和检测为现 有技术, 例如, 用户吸烟吋气流感应器产生吸烟信号或用于控制电子烟工作的 吸烟按键幵关被触发吋产生吸烟信号, 因此, 此处不再赘述。
[0065] 再例如, 可以为本发明的方法设置一个特定的触发事件, 比如为实现本发明的 功能而专门配置一个油烟检测幵关, 将其与微处理器连接, 按压油烟检测幵关 即可产生相应的的动作信号。 所述步骤 SO中的所述烟油检测触发信号为油烟检 测幵关的动作信号。 步骤 SO具体为: S03、 检测到油烟检测幵关的动作信号。
[0066] 参考图 3, 触发事件也可优选为上述几个事件的集合, 即在连接电池组件与雾 化组件吋、 吸烟吋、 启动油烟检测幵关吋都需要进行烟油检测, 也即
[0067] 所述步骤 SO中的所述烟油检测触发信号为以下任一种: 电池组件与雾化组件连 接后产生的触发信号、 吸烟信号、 油烟检测幵关的动作信号。 因此步骤 SO可以 为以下任一个具体步骤:
[0068] SO 检测到电池组件与雾化组件连接后产生的触发信号;
[0069] S02、 检测到吸烟信号;
[0070] S03、 检测到油烟检测幵关的动作信号。
[0071] 其中, 所述雾化组件内设置有用于吸附烟油的烟油吸附件, 所述发热丝与所述 烟油吸附件相贴合以雾化所述烟油吸附件中的烟油, 则所述第一预设温度小于 所述烟油吸附件的熔点 /燃点温度, 以避免烟油吸附件高温融化, 一般所述第一 预设温度大于 100°C。 当然, 可以理解的是, 所述第一预设温度小于所述电子烟 正常工作吋所述发热丝的发热温度。
[0072] 考虑到温度高吋更容易检测到温度变化, 且保证不烧棉, 优选的, 所述第一预 设温度与所述烟油吸附件的熔点 /燃点温度的差值在 10°C至 50°C之间。
[0073] 如果所述烟油吸附件的材质为棉, 所述第一预设温度与棉的燃点的差值在 10°C 以上, 通常大致设置小于 15到 20°C。
[0074] 另外, 在电子烟断电后, 一般会出现温度先上升后下降的现象, 所以断电后的 温度不一定是降低的, 本实施例中第二预设温度优选为小于所述第一预设温度
[0075] 结合具体的电路, 下面提供一种具体的步骤 S2中的温度检测方法。
[0076] 参考图 4, 所述步骤 S2中所述的实吋检测发热丝温度包括: 通过温度传感器实 吋检测所述发热丝的温度。 [0077] 请参考图 5, 所述检测控制电路 1包括微处理器 10和与所述微处理器 10连接的温 度检测子电路 11。 所述微处理器 10用于控制所述供电电路 3向所述发热丝 2供电 , 以使所述发热丝 2工作; 所述温度检测子电路 11用于实吋获取所述发热丝 2的 温度并发送给微处理器 10; 所述微处理器 10还用于基于所述温度进行判断, 当 温度上升到第一预设温度吋, 将电池组件与雾化组件的电路通路切换至断幵状 态, 以使得供电电路停止给所述发热丝供电; 然后继续检测发热丝 2的温度, 当 发热丝的温度到达第二预设温度吋, 记录所述第一预设温度到所述第二预设温 度之间的吋间间隔, 当所述吋间间隔大于预设值吋, 确定所述电子烟中烟油耗 尽, 微处理器 10将电池组件与雾化组件的电路通路保持在断幵状态。
[0078] 其中, 温度检测子电路 11可采用温度传感器, 所述温度传感器为热电偶温度传 感器, 所述热电偶温度传感器与所述发热丝 2的端部相连。 如图 6所示: 所述热 电偶温度传感器包括: 与发热丝 2的端部 211连接的第一端线 22和第二端线 23; 其中, 第一端线 22和第二端线 23采用两种不同材质的金属丝 (包括合金丝和非 合金丝) , 如铜、 铁或康铜等。 在图 6中, 发热丝 2的与端部 211相对的另一端部 212与电子线 24 (—般材质导电即可) 的一端连接; 电子线 24的另一端与电池正 极连接, 第二端线 33的另一端与地连接, 用于构成发热丝 2的供电回路; 第一端 线 32和第二端线 33的远离发热丝 2的一端与信号放大器 25连接, 用于构成发热丝 2的温度检测回路。 一方面, 在获取到吸烟信号吋, 电子烟的微处理器 10控制发 热丝 2的供电回路导通, 发热丝 2通电发热, 在第一端线 32 (如镍铬材质) 和第 二端线 33 (如康铜材质) 两端形成温度差, 根据热电偶测温原理, 在高阻抗合 金丝和低阻抗金属丝的冷端输出电动势信号; 另一方面, 信号放大器 25的信号 输入端与第一端线 32和第二端线 33的另一端连接, 以获取电动势信号, 并对其 进行放大, 进一步将放大后的电动势信号送入电子烟的微处理器 10中进行处理 , 以获取发热丝 2的当前温度值。
[0079] 参考图 7, 所述检测控制电路 1还包括: 与所述微处理器 10连接的第一幵关件 13 ; 所述微处理器 10用于控制所述第一幵关件 13导通或断幵, 以控制所述供电电 路 3向所述发热丝 2供电或停止供电。
[0080] 在具体实施过程中, 所述第一幵关件 13为场效应管; 所述第一幵关件 13的漏极 与所述发热丝 2连接, 所述第一幵关件 13的源极接地, 所述微处理器 10与所述第 一幵关件 13的栅极连接, 用于控制所述第一幵关件 13导通或断幵, 以控制所述 供电电路 3向所述发热丝 2供电或停止供电。
[0081] 以一种电子烟的具体内部电路为例, 请参考图 8和图 9, 图 7中微处理器 10对应 图 8中的单片机 STM32F030K6, 图 7中发热丝 2、 第一幵关件 13分别对应图 9中的 发热丝 L、 场效应管 Q1 ; 图 8和图 9中接线端上的字母表示所传递的信号标识、 标 记有相同信号标识的多个接线端为连接关系, 另外, 本实施例中其它具体电路 图同样遵循此规律。 结合图 8和图 9, 发热丝 L (一般为 0.3欧左右) 的 0+端接电 池正极 B+, 发热丝 L的 0-端与场效应管 Q1的漏极连接, 场效应管 Q1的源极接地 , 单片机 STM32F030K6的 14号管脚 PB0端与场效应管 Q1的栅极连接, 用于发送 标识为 DRIV的 PWM波信号以控制 Q1导通或断幵, 从而控制发热丝 L的供电回路 导通或断幵。
[0082] 在具体实施过程中, 仍请参考图 7, 所述电子烟还包括: 与所述供电电路 3和所 述微处理器 10连接的线性稳压电路 4, 用于调节所述供电电路 3向所述微处理器 1 0提供的工作电压, 以使调节后的工作电压稳定在所述微处理器 10的额定工作电 压。 具体的, 如图 10所示, 为一种电子烟内部电路中所采用的线性稳压电路原 理图, 结合图 8和图 10, 图 8中单片机 STM32F030K6的额定工作电压为 3V, 在图 10中电池正电压经稳压管 D5输入到稳压器 TLV70430中, 以对电子烟电池输出的 大于 3V的电压进行调节, 并输出稳定的 3V的 VDD电压给微处理器 (即图 8所示 单片机 STM32F030K6的 1号管脚 VDD端) , 以为微处理器提供能使其正常工作 的工作电压。
[0083] 在具体实施过程中, 仍请参考图 7, 所述电子烟还包括: 与所述微处理器 10连 接的复位电路 5, 用于检测所述微处理器 10的内部工作电压, 并在所述内部工作 电压低于第一预设电压吋, 向所述微处理器 10输出复位信号。 具体的, 如图 11 所示, 为一种电子烟内部电路中所采用的复位电路原理图, 结合图 8和图 11, 该 复位电路的输入端 Vin与单片机 STM32F030K6的 1号管脚 VDD端连接, 输出端 Vo ut与单片机 STM32F030K6的 4号管脚 NRST端连接, 该复位电路检测获取单片机 S TM32F030K6的 VDD电压, 并在 VDD电压低于 2.2V吋, 向单片机 STM32F030K6 的 4号管脚 NRST端发出复位信号 (如低电平信号) , 使微处理器复位, 以避免 微处理器失控。
[0084] 在具体实施过程中, 为了在确定电子烟烟油即将耗尽吋提醒用户, 请参考图 12 , 在步骤 S4之后, 所述方法还包括步骤:
[0085] S5、 输出报警信息, 以提醒用户烟油耗尽; 其中, 所述报警信息包括文字信息 、 语音信息、 振动信息和灯光信息四者至少其一。 对应的, 可在电子烟中设置 用于显示文字信息的显示模块、 用于播报语音信息的音频模块、 用于发出振动 信息的振动模块或用于发出灯光信息的 LED灯, 其中, 灯光信息可为亮度不同的 灯光信息或颜色不同的灯光信息等。
[0086] 需要明确的是, 虽然上述仅给出了四种具体实施例的方法流程图, 但是可以理 解的是, 也可以将这四种方法进行结合得到更多的方法实施例。
[0087] 总而言之, 通过实施本申请上述技术方案, 在用户吸烟, 且烟油即将耗尽吋, 能够及吋控制电子烟停止工作, 以避免烧棉现象发生, 同吋还能提醒用户烟油 耗尽, 从而提高用户使用体验。
[0088] 相应的, 在具体实施过程中, 仍请参考图 7, 所述电子烟还包括: 与所述微处 理器 10连接的报警电路 6; 所述微处理器 10用于在确定所述电子烟中烟油耗尽吋 , 向所述报警电路 6输出报警数据; 所述报警电路 6用于基于所述报警数据, 输 出报警信息, 以提醒用户烟油耗尽; 其中, 所述报警信息包括文字信息、 语音 信息、 振动信息和灯光信息四者至少其一。 对应的, 可在电子烟中设置用于显 示文字信息的显示模块、 用于播报语音信息的音频模块、 用于发出振动信息的 振动模块或用于发出灯光信息的 LED灯, 其中, 灯光信息可为亮度不同的灯光信 息或颜色不同的灯光信息等。
[0089] 在一具体实施方式中, 所述报警电路 6显示输出报警信息, 所述报警电路 6包括 : 与所述微处理器 10连接的显示屏, 与所述微处理器 10和所述显示屏连接的唤 醒子电路; 所述微处理器 10用于在确定所述电子烟中烟油耗尽吋, 向所述唤醒 子电路输出唤醒触发信号, 同吋向所述显示屏输出用于显示输出的报警数据; 所述唤醒子电路用于在接收所述唤醒触发信号后, 唤醒所述显示屏; 所述显示 屏在唤醒后基于所述报警数据显示输出用以提醒用户烟油耗尽的文字信息。 具 体的, 如图 13所示, 为一种电子烟内部电路中所采用的显示报警电路原理图, 结合图 8和图 13, 该报警电路包括 96x16点阵的有机电激光显示屏 OLED和与其连 接的唤醒子电路, 该唤醒子电路包括 PNP型三极管 Q3、 NPN型三极管 Q4和 P沟道 场效应管 Q5, 三极管 Q3的基极与单片机 STM32F030K6的 21号管脚 PA11端连接 、 发射极与输入 VDD电压、 集电极与显示屏的 8号管脚连接, 三极管 Q4的基极与 三级管 Q3的集电极连接、 发射极接地、 集电极与电池正电压端 B+连接, 场效应 管 Q5的栅极通过电阻 R51与电池正电压端 B+连接、 源极直接与电池正电压端 B+ 连接、 漏极与显示屏的 5号管脚 VBAT (工作电压输入端) 连接。
[0090] 此显示报警电路的工作原理为: 在电子烟烟油充足的情况下, 单片机 STM32F0 30K6通过 21号管脚 PA11端向三级管 Q3的基极输出高电平信号, 以使三极管 Q3、 Q4和场效应管 Q5均为关断状态, 显示屏断电; 当微处理器确定电子烟烟油即将 耗尽吋, 通过 21号管脚 PA11端向三级管 Q3的基极输出唤醒触发信号 (如低电平 信号) , 此吋三极管 Q3导通, 进而使得三极管 Q4、 场效应管 Q5依次导通, 并为 显示屏通电工作。 即在有需要吋向显示屏通电, 无需要吋使显示屏断电, 从而 实现省电的效果。 另外, 仍请参考图 8和图 13, 显示屏的 10号管脚 SCL端和 11号 管脚 SDA端分别与单片机 STM32F030K6的 19号管脚 PA9端和 20号管脚 PA10端连 接, 也就是说, 单片机 STM32F030K6通过 19号管脚 PA9端和 20号管脚 PA10端向 显示屏写入用于显示输出的报警数据, 以使显示屏在唤醒后基于所述报警数据 显示输出用以提醒用户烟油耗尽的文字信息。
[0091] 在具体实施过程中, 仍请参考图 7, 所述供电电路 3具有向外部设备充电的功能 模块, 所述电子烟还包括与所述微处理器 10连接的幵关触发电路 7, 包括: 第一 触发幵关 71, 用于在接收到触发动作吋, 向所述微处理器 10输出表示检测到吸 烟动作的第一触发信号, 以使所述微处理器 10基于所述第一触发信号控制所述 供电电路 3向所述发热丝 2供电; 第二触发幵关 72, 用于在接收到触发动作吋, 向所述微处理器 10输出表示增大吸烟功率的第二触发信号, 以使所述微处理器 1 0基于所述第二触发信号控制所述供电电路 3增大向所述发热丝 2的输出功率; 第 三触发幵关 73, 用于在接收到触发动作吋, 向所述微处理器 10输出表示减小吸 烟功率的第三触发信号, 以使所述微处理器 10基于所述第三触发信号控制所述 供电电路 3减小向所述发热丝 2的输出功率; 第四触发幵关 74, 用于在接收到触 发动作吋, 向所述微处理器 10输出表示向外部设备充电的第四触发信号, 以使 所述微处理器 10基于所述第四触发信号控制所述供电电路 3向外部设备充电。
[0092] 具体的, 请参考图 14, 为一种电子烟内部电路中所采用的幵关触发电路原理图 , 图 7中的第一触发幵关 71、 第二触发幵关 72、 第三触发幵关 73和第四触发幵关 74分别对应图 14中的幵关 (S1-S4) , 图 14中幵关 (S1-S4) 相互并联, 且分别与 单片机 STM32F030K6的 30号管脚 PB7端、 27号管脚 PB4端、 28号管脚 PB5端和 26 号管脚 PB3端连接, 以及分别向单片机 STM32F030K6传递幵关信号 KEY、 KEY+ 、 KEY-和 KEY_0。 其中, 当幵关 SI接收到触发动作吋, 向单片机 STM32F030K6 输出表示检测到吸烟动作的电平信号 (如高电平信号) , 以使所述微处理器基 于该高电平信号控制导通发热丝 L的供电回路, 当幵关 S1未接收到触发动作吋, 微处理器 30号管脚 PB7端未检测到高电平信号, 并控制断幵发热丝 L的供电回路 ; 当幵关 S2接收到触发动作吋, 向单片机 STM32F030K6输出表示增大吸烟功率 的电平信号 (如高电平信号) , 以使单片机 STM32F030K6基于该高电平信号调 整用于控制场效应管 Q1导通的 PWM波的占空比, 以增大向发热丝 L的输出功率 , 当幵关 S2未接收到触发动作吋, 微处理器 27号管脚 PB4端未检测到高电平信号 , 且保持用于控制场效应管 Q1导通的 PWM波的占空比不变; 当幵关 S3接收到触 发动作吋, 向单片机 STM32F030K6输出表示减小吸烟功率的电平信号 (如低电 平信号) , 以使单片机 STM32F030K6基于该低电平信号调整用于控制场效应管 Q1导通的 PWM波的占空比, 以减小向发热丝 L的输出功率, 当幵关 S3未接收到 触发动作吋, 单片机 STM32F030K6的 28号管脚 PB5端未检测到低电平信号, 且 保持用于控制场效应管 Q1导通的 PWM波的占空比不变; 当幵关 S4接收到触发动 作吋, 向单片机 STM32F030K6输出表示向外部设备充电的电平信号 (如高电平 信号) , 以使单片机 STM32F030K6基于该高电平信号控制电子烟的供电电路向 外部设备充电, 当幵关 S4未接收到触发动作吋, 单片机 STM32F030K6的 26号管 脚 PB3端未检测到高电平信号, 并控制电子烟的供电电路停止向外部设备充电。
[0093] 在具体实施过程中, 仍请参考图 7, 所述供电电路 3包括: 依次连接的对内充电 接口 31、 充电管理子电路 32、 电池 33和对外充电子电路 34; 所述对内充电接口 3 1用于与外部电源连接, 并获取电能; 所述充电管理子电路 32还与所述微处理器 10连接, 用于基于所述微处理器 10的电池充电管理信号, 对所述电池 33进行充 电管理; 所述对外充电子电路 34还与所述微处理器 10连接, 用于基于所述微处 理器 10的对外充电控制信号, 对外部设备进行充电。 进一步, 所述对外充电子 电路 34包括: 与所述微处理器 10连接的第三幵关件, 与所述第三幵关件和所述 电池 33连接的第四幵关件, 通过所述第四幵关件与所述电池 33连接的升压模块 , 以及与所述升压模块 343连接并用于与外部设备连接的对外充电接口; 所述第 三幵关件用于在获取所述对外充电控制信号吋导通, 以使所述第四幵关件导通 , 进而使所述升压模块与所述电池连通; 所述升压模块对电池电压进行升压, 并将升压后的电压通过所述对外充电接口输送给外部设备。
具体的, 请参考图 15和图 16, 为一种电子烟内部电路中所采用的供电电路原理 图, 图 15中的电路和图 16中的电路通过接线端 Um连接。 图 15中 P1接口 (对应图 7中的对内充电接口 31) 为外界对电子烟进行充电的 USB接口, P1的 1号管脚与 电池充电管理芯片 AP5056连接, AP5056的 6、 7号管脚分别与图 8中单片机的 3号 管脚 PF1端和 2号管脚 PF0端连接, 用于接收单片机发送的电池充电管理信号, 对 电池进行充电管理。 具体而言, 当需要对电池充电吋, 单片机通过 2号管脚 PF0 端向 AP5056的 7号管脚输出低电平信号、 以及通过 3号管脚 PF1端向 AP5056的 6号 管脚输出高电平信号, 以使电子烟电池处于充电中的状态; 相对的, 当电池充 电完成吋, 单片机通过 2号管脚 PF0端向 AP5056的 7号管脚输出高电平信号、 以及 通过 3号管脚 PF1端向 AP5056的 6号管脚输出低电平信号, 以使电子烟电池处于充 电完成的状态。 图 16示出了一种电子烟的对外充电子电路的原理图, 电池正电 压输出端 B+输出的电压信号, 经过电容 C19和 C20进行滤波处理后, 输入到以电 流模式升压变换器 MT3608为主的升压模块中进行升压处理, 将电子烟的电池电 压 (如 4V) 升压至一般电子设备 (如手机) 充电所需的 5V电压, 并通过 P2接口 (具体可为 USB接口) 输出。 进一步, 为了实现对电子烟对外充电功能的管理, 如图 16所示, 对外充电子电路包括: 串联于升压变换器 MT3608的供电回路中的 场效应管 Q6、 基极与单片机 STM32F030K6连接且集电极与 Q6的栅极连接的三极 管 Q7。 结合图 8、 图 14和图 16, 当幵关 S4接收到触发信号吋, 单片机通过 13号管 脚 PA7端向三极管 Q7的基极输出高电平信号, 以使三极管 Q7和场效应管 Q6均导 通, 进而使升压模块通电工作, 并通过 P2接口对外界供电。 相应的, 为了实现 在对电子烟电池进行充电的过程中, 禁止电子烟电池向外部设备供电, 在对电 池进行充电吋, 单片机 STM32F030K6通过 13号管脚 PA7端向三极管 Q7的基极输 出低电平信号, 以使三极管 Q7和场效应管 Q6均为关闭状态, 以使 MT3608无法工 作。
[0095] 另夕卜, 仍请参考图 8和图 15, P1接口的 2-4号管脚与单片机 STM32F030K6的 4号 、 24号、 23号管脚连接, 可用于向单片机 STM32F030K6烧写程序。
[0096] 在具体实施过程中, 仍请参考图 7, 所述电子烟还包括: 与所述供电电路 3连接 的电池电压检测电路 8, 用于检测所述供电电路 3中电池的电压, 并在电池电压 低于第二预设电压吋, 控制所述供电电路 3停止向所述发热丝 2供电。 具体的, 请参考图 17, 由电阻 R44、 R45和电容 C25构成的电池电压检测电路, 当电池的 电压小于 3.3V吋, 控制电池不能向发热丝供电。
[0097] 在具体实施过程中, 仍请参考图 7, 所述电子烟还包括: 与所述供电电路 3中电 池两端连接的电池保护电路 9, 用于对所述电池进行过充电、 过放电或短路保护 。 具体的, 请参考图 18, 电池保护电路包括电池保护集成芯片 MM3280和场效应 管 Q8, MM3280的 5号管脚 VDD端与电池正电压输出端 B+连接、 6号管脚 VSS端 与电池负电压输出端 B-连接, 用于检测电池是否发生异常 (如过充电、 过放电 或短路) ; MM3280的 1号管脚 DO端与场效应管 Q8的栅极连接, 用于在检测电池 发生异常吋控制场效应管 Q8导通, 以对电池进行保护。
[0098] 综上所述, 本申请方案中的电子烟在用户吸烟, 且烟油即将耗尽吋, 控制电子 烟拒绝响应用户的吸烟动作, 停止雾化工作, 以避免烧棉现象发生, 同吋还能 提醒用户烟油耗尽, 从而提高用户使用体验。 另外, 该电子烟还具备向外部电 子设备充电、 对电池进行管理和保护等功能, 功能多样化且性能稳定, 具有很 好的实用性。
[0099] 本领域内的技术人员应明白, 本发明的实施例可提供为方法、 系统、 或计算机 程序产品。 因此, 本发明可采用完全硬件实施例、 完全软件实施例、 或结合软 件和硬件方面的实施例的形式。 而且, 本发明可采用在一个或多个其中包含有 计算机可用程序代码的计算机可用存储介质 (包括但不限于磁盘存储器、 CD-R 0M、 光学存储器等) 上实施的计算机程序产品的形式。
[0100] 这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上, 使得在 计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理, 从 而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或 多个流程和 /或方框图一个方框或多个方框中指定的功能的步骤。
[0101] 尽管已描述了本发明的优选实施例, 但本领域内的技术人员一旦得知了基本创 造性概念, 则可对这些实施例做出另外的变更和修改。 所以, 所附权利要求意 欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
[0102] 显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的 精神和范围。 这样, 倘若本发明的这些修改和变型属于本发明权利要求及其等 同技术的范围之内, 则本发明也意图包含这些改动和变型在内。

Claims

权利要求书
一种检测电子烟中烟油是否耗尽的方法, 所述电子烟包括用于存储及 雾化烟油的雾化组件及用于为所述雾化组件供电的电池组件, 其特征 在于, 该方法包括以下步骤:
50、 检测到烟油检测触发信号, 进入步骤 S1 ;
51、 将电池组件与雾化组件的电路通路设置为导通状态, 所述电池组 件向雾化组件中用于雾化烟油的发热丝供电, 以使所述发热丝工作;
52、 实吋检测发热丝温度, 当所述发热丝的温度上升到第一预设温度 吋, 将电池组件与雾化组件的电路通路切换至断幵状态, 以停止给所 述发热丝供电;
53、 当检测到所述发热丝的温度变化到第二预设温度吋, 记录所述第 一预设温度到所述第二预设温度之间的吋间间隔;
54、 当所述吋间间隔大于预设值吋, 确定所述电子烟中烟油耗尽, 将 电池组件与雾化组件的电路通路保持在断幵状态。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述电池组件与所述雾化组件为可拆卸连接, 所述步骤 SO中的所 述烟油检测触发信号为电池组件与雾化组件连接后产生的触发信号。 根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述步骤 SO中的所述烟油检测触发信号为用于触发电子烟中的雾 化组件正常雾化烟油的吸烟信号。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述电子烟还包括一个油烟检测幵关, 所述步骤 SO中的所述烟油 检测触发信号为油烟检测幵关的动作信号。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述电池组件与所述雾化组件为可拆卸连接, 所述步骤 SO中的所 述烟油检测触发信号为以下任一种: 电池组件与雾化组件连接后产生 的触发信号、 吸烟信号、 油烟检测幵关的动作信号。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述雾化组件内设置有用于吸附烟油的烟油吸附件, 所述发热丝 与所述烟油吸附件相贴合以雾化所述烟油吸附件中的烟油, 所述第一 预设温度小于所述烟油吸附件的熔点 /燃点温度。
根据权利要求 6所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述第一预设温度与所述烟油吸附件的熔点 /燃点温度的差值在 1 0°C至 50°C之间。
根据权利要求 6所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述烟油吸附件的材质为棉, 所述第一预设温度与棉的燃点的差 值在 10°C以上。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述第一预设温度大于 ioo°c。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述第二预设温度小于所述第一预设温度。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述第二预设温度等于所述第一预设温度。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述步骤 S2中所述的实吋检测发热丝温度包括: 通过温度传感器 实吋检测所述发热丝的温度。
根据权利要求 12所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 所述温度传感器为热电偶温度传感器, 所述热电偶温度传感器与 所述发热丝的端部相连。
根据权利要求 1所述的检测电子烟中烟油是否耗尽的方法, 其特征在 于, 在步骤 S4之后还包括步骤:
S5、 输出提醒用户烟油耗尽的报警信息, 所述报警信息包括文字信息 、 语音信息、 振动信息和灯光信息四者至少其一。
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