WO2018107494A1 - 一种电子烟的设计方法、控制方法及电子烟 - Google Patents

一种电子烟的设计方法、控制方法及电子烟 Download PDF

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Publication number
WO2018107494A1
WO2018107494A1 PCT/CN2016/110485 CN2016110485W WO2018107494A1 WO 2018107494 A1 WO2018107494 A1 WO 2018107494A1 CN 2016110485 W CN2016110485 W CN 2016110485W WO 2018107494 A1 WO2018107494 A1 WO 2018107494A1
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WO
WIPO (PCT)
Prior art keywords
electronic cigarette
heating wire
sampling resistor
resistor
control chip
Prior art date
Application number
PCT/CN2016/110485
Other languages
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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/CN2016/110485 priority Critical patent/WO2018107494A1/zh
Publication of WO2018107494A1 publication Critical patent/WO2018107494A1/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
    • 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
    • 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
    • A24F40/90Arrangements or methods specially adapted for charging batteries thereof

Definitions

  • the present invention relates to the field of electronic cigarette technology, and in particular, to a method, a control method, and an electronic cigarette for an electronic cigarette.
  • Electronic cigarette is a relatively common artificial electronic cigarette product, mainly used for smoking cessation and alternative cigarettes; the structure of electronic cigarette mainly includes a battery assembly and an atomizing assembly.
  • the atomization assembly includes an atomization sleeve, a smoke oil adsorbing member disposed in the atomization sleeve, and a heating wire, and the heating wire is attached to the smoke oil adsorbing member to atomize the smoke adsorbed by the smoke oil adsorbing member Oil, when the smoker's smoking action is detected, the battery component supplies power to the atomizing component, and the atomizing component is turned on; when the atomizing component is turned on, the heating wire is heated, and the smoke oil is evaporated by heat to form a simulated smoke.
  • the aerosol gives the user a feeling of smoking when they smoke.
  • the battery assembly of the existing electronic cigarette is usually provided with a battery, a microprocessor, a charge management chip, a battery protection chip, a transistor switch, etc.
  • a microprocessor a charge management chip
  • a battery protection chip a transistor switch
  • different chips are selected/designed according to different materials of the heating wire. Soldering the chip and the component one by one on the circuit board on which the circuit is laid, and then programming the program into the microprocessor, and finally debugging the program to output the appropriate power of the battery component, so that the atomization is performed.
  • the component is atomized to the desired temperature. Therefore, the number of chips in the existing electronic cigarettes is large, and complicated connection, testing, and adjustment are required at the time of design, the design process is complicated, the production efficiency is low, and the cost is high.
  • existing electronic cigarette control methods result in low product yield, poor product consistency, and poor user experience.
  • the present invention is directed to a technical problem in the prior art that has a large number of chips in an electronic cigarette, a complicated design process, low production efficiency, and high cost, and provides an electronic cigarette design method, a control method, and an electronic method.
  • Smoke the main circuit of the electronic cigarette can be integrated on a control chip, expand the use of the control chip, and greatly simplify the design process of the electronic cigarette, easy to manufacture, high production efficiency and low cost of production solutions correction page (Rule 91) ISA/CN Technical solution
  • the present invention provides a method for designing an electronic cigarette, the electronic cigarette comprising a heating wire, a first sampling resistor and a control chip, wherein the heating wire is used for atomizing smoke oil to form smoke, and the control The chip is configured to control the current of the heating wire according to the resistance value of the first sampling resistor when the electronic cigarette starts to work, and the design method comprises the following steps:
  • the determined electric heating wire and the first sampling resistor are electrically connected to the control chip, respectively, to design the electronic cigarette.
  • the present invention provides a method for controlling an electronic cigarette, the electronic cigarette comprising a heating wire, a first sampling resistor and a control chip, wherein the heating wire is used for atomizing smoke oil to form smoke, The resistance value of the heating wire changes with temperature, and the first sampling resistor is electrically connected to the control chip;
  • the control method includes:
  • control chip controls a current of the electric heating wire when the electronic cigarette starts to work according to a resistance value of the first sampling resistor
  • the control chip detects an actual resistance value of the electric heating wire in actual operation, and controls a current flowing through the electric heating wire according to the actual resistance value to control an operating temperature of the electric heating wire. Within the preset range.
  • the present invention provides an electronic cigarette, including a heating wire, a first sampling resistor, and a control chip.
  • the electric heating wire is used for atomizing the smoke oil to form a smoke
  • the first sampling resistor is electrically connected to the control chip
  • the control chip is configured to start the electronic cigarette according to the resistance value of the first sampling resistor. The current of the heating wire during operation.
  • the chip design engineer does not need to consider the material of the heating wire when designing the control chip, so that the control chip can be extended relative to the prior art.
  • the application engineer only corrects the page when designing the entire electronic cigarette circuit (Article 91) ISA/CN According to different materials and different target temperatures, different heating wires and first sampling resistors are selected to complete different design requirements, without cumbersome connection, testing and adjustment, thus greatly simplifying the electronic cigarette circuit.
  • the design the manufacturing is convenient, the production efficiency is high, and the production cost is low; in addition, the electronic cigarette control method of the invention improves the yield of the product, has good product consistency, and improves the user experience.
  • FIG. 1 is a flowchart of a method for designing an electronic cigarette according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a circuit of a first type of electronic cigarette according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a circuit of a second electronic cigarette according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a circuit of a third electronic cigarette according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for controlling an electronic cigarette according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of an internal circuit of a first electronic cigarette according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an internal circuit of a second electronic cigarette according to an embodiment of the present invention.
  • FIG. 8A is a circuit diagram of a first part of a control chip in an internal circuit of an electronic cigarette according to an embodiment of the present invention.
  • 8B is a circuit diagram of a second part of a control chip in an internal circuit of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 9 is a circuit schematic diagram of a button module in an internal circuit of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 10 is a circuit diagram of a display module in an internal circuit of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of an internal circuit of a third electronic cigarette according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a fourth internal circuit of an electronic cigarette according to an embodiment of the present invention.
  • the embodiment of the present invention provides a method for designing an electronic cigarette, which is used to solve the technical problem that the number of electronic cigarette chips in the prior art is large, the design process is complicated, the production efficiency is low, and the cost is high, and the electronic cigarette can be disposed.
  • the main circuit is integrated on a control chip to expand the use of the control chip, and greatly simplify the design process of the electronic cigarette, easy to manufacture, high production efficiency and low production cost.
  • An embodiment of the present invention provides a method for designing an electronic cigarette, the electronic cigarette comprising a heating wire, a first sampling resistor and a control chip, wherein the heating wire is used for atomizing smoke oil to form smoke, and the control chip
  • the design method includes the following steps: Sl l, determining a resistance value of the heating wire; S12, according to the Determining a resistance value of the electric heating wire, determining a resistance value of the first sampling resistor; S13, electrically connecting the determined heating wire and the first sampling resistor to the control chip, respectively, to design the electronic cigarette.
  • the main circuit of the electronic cigarette such as a charging management circuit, a voltage stabilizing circuit, a microprocessor, a battery protection circuit, and the like are integrated on one control chip, and the chip design engineer is at the design office.
  • the control chip When the control chip is used, there is no need to consider the material of the heating wire, so that the use range of the control chip can be expanded compared with the prior art; in addition, the application engineer only needs to design according to different materials when completing the design of the whole electronic cigarette circuit. And different target temperatures, electric heating wires with different resistance values and first sampling resistors are connected to the control chip, and electronic cigarettes satisfying different design requirements are designed without cumbersome connection, testing and adjustment of each circuit. Therefore, the design of the electronic cigarette circuit is greatly simplified, the manufacturing is easy, the production efficiency is high, and the production cost is low.
  • an embodiment of the present invention provides a method for designing an electronic cigarette, wherein the electronic cigarette includes a heating wire, a first sampling resistor and a control chip, and the heating wire is used for atomizing smoke oil to form smoke.
  • the control chip is configured to control a current of the heating wire according to a resistance value of the first sampling resistor when the electronic cigarette starts to work, and the design method includes the following steps:
  • the determined electric heating wire and the first sampling resistor are electrically connected to the control chip, respectively, to design the electronic cigarette.
  • the main circuits of the electronic cigarette such as a charging management circuit, a voltage stabilizing circuit, a microprocessor,
  • the battery protection circuit and the like are integrated on the control chip. Based on the integrated control chip, the required electric heating wire and the first sampling resistor are selected for connection, and the required electronic cigarette can be set. When the heating wire is selected, the resistance value of the heating wire required for the electronic cigarette is selected according to the design requirement, and the corresponding heating wire is selected according to the resistance value. After determining the resistance value of the heating wire, the resistance value of the first sampling resistor can be calculated according to the resistance value of the heating wire, and then the corresponding first sampling resistor is selected according to the resistance value. By connecting the selected heating wire and the first sampling resistor to the integrated control chip, an electronic cigarette that meets the demand can be designed.
  • the integrated control chip can extend the range of use of the control chip, and the design of the electric heating wire and the first sampling resistor with different resistance values can greatly simplify the circuit design of the electronic cigarette, facilitate manufacturing, high production efficiency and low production cost.
  • the resistance value of the heating wire is a target resistance value, wherein the target resistance value is a resistance value of the heating wire at a working target temperature. It is to be understood that the resistance value of the electric heating wire may be a resistance value at a non-working target temperature, which is not specifically limited herein.
  • the resistance value of the heating wire changes with temperature, that is, the resistance value of the heating wire has a one-to-one correspondence with the operating temperature.
  • the target resistance value is determined by the resistance value corresponding to the heating wire at the working target temperature, and then the resistance value of the corresponding first sampling resistor is determined according to the target resistance value; therefore, at the beginning of the electronic cigarette
  • the control chip may control, according to the resistance value of the first sampling resistor, a current flowing through the heating wire to be equal to or slightly larger than a current flowing through the heating wire when the heating wire reaches a working target temperature.
  • the current flowing through the electric heating wire when the electric heating wire reaches the working target temperature can not only avoid the overheating of the smoke temperature when the electronic cigarette starts to work, but also simplify the design of the control chip. It can be understood that the magnitude of the current of the heating wire is not specifically limited herein when the electronic cigarette starts to work.
  • step S12 is specifically:
  • Correction page (Article 91) ISA/CN
  • the value can be set as needed. After determining the resistance value of the heating wire, the resistance value of the first sampling resistor can be calculated through a certain functional relationship, and then the corresponding first sampling resistor is selected according to the resistance value. In the process of designing the circuit, according to the different working temperatures of the electronic cigarette, the electric heating wire with different resistance values and the first sampling resistor can be selected, and the circuit of the electronic cigarette can be quickly designed.
  • X* (multiplication) 10 4 X is 0.2, 0.25, 0.3, 0.35, etc., and is not specifically limited.
  • the step S12 is specifically: determining a resistance value of the first sampling resistor according to a resistance value of the electric heating wire, wherein a resistance value of the electric heating wire in the table is determined It is a discrete value and corresponds to the resistance value of the first sampling resistor.
  • one end of the heating wire 21 is electrically connected to the control chip 22, and the other end of the heating wire 21 is electrically connected to the positive electrode B+ of the power source.
  • One end of the first sampling resistor R0 is grounded, and the other end of the first sampling resistor R0 is only electrically connected to the control chip 22, that is, one end of the first sampling resistor R0 electrically connected to the control chip 22 is only used.
  • the control program is written into the control chip, and the resistance value of each unit of the first sampling resistor corresponds to the control chip to generate a certain preset duty ratio.
  • the PWM wave causes the resistance value of the first sampling resistor to be proportional or inversely proportional to the PWM wave.
  • the current flowing through the heating wire can be controlled by the resistance value of the first sampling resistor when the electronic cigarette starts to work, thereby controlling the operating temperature of the heating wire.
  • the first sampling resistor R0 can be set as a pull-up resistor, one end of the first sampling resistor R0 is electrically connected to the power source positive pole B+ of the electronic cigarette, and the first sampling resistor R0 is another. One end is only electrically connected to the control chip 22. Therefore, setting the first sampling resistor R0 as a pull-up resistor or a pull-down resistor can be set as needed, and is not specifically limited herein.
  • step S11 is specifically:
  • the material of the heating wire is selected from materials whose resistance value changes with temperature, so that the resistance value of the heating wire has a corresponding correlation characteristic with the working temperature.
  • the resistance value of the heating wire it is selected according to the design requirement, that is, according to the working target temperature of the heating wire, the material of the heating wire, and the power supply voltage of the electronic cigarette.
  • the atomization temperature of the electric heating wire of the electronic cigarette to be designed to work stably that is, the working temperature of the heating wire is 280 ° C
  • the material of the heating wire is titanium
  • the supply voltage of the electronic cigarette is 4.2V. According to these design requirements, the resistance value of the heating wire required for the electronic cigarette is calculated.
  • the temperature of the heating wire may be within a certain preset range, that is, the working target temperature may be a preset range value; correspondingly, the heating wire 21
  • the resistance value is selected to be a resistance value corresponding to a preset range value of the work target temperature.
  • step S12 further includes:
  • the design of the second sampling resistor may be added to the electronic cigarette.
  • one end of the second sampling resistor R01 is electrically connected to the control chip 22, and the other end of the second sampling resistor R01 is grounded. .
  • the control chip 22 controls the magnitude of the current or voltage before the electric heating wire reaches the preset temperature according to the resistance value of the second sampling resistor R01 to control the current from the normal temperature to the pre-operative time when the electronic cigarette works.
  • Set the length of time, in which the preset temperature is the working target temperature of the heating wire. For example, the working temperature of the heating wire is 280 ° C.
  • the heating wire can be quickly heated from normal temperature to 280 ° C, and the present invention can be set by the second sampling resistor.
  • the length of time during which the heating wire is heated from normal temperature to 280 ° C is controlled, for example, the heating time is 2 seconds later than the existing electronic cigarette.
  • step S12 further includes:
  • Correction page (Article 91) ISA/CN Electrically connected to the control chip 22, the other end of the third sampling resistor R02 is grounded, so that the control chip 22 controls the charging current according to the resistance value of the third sampling resistor R02 when charging the electronic cigarette. the size of. Therefore, in the design process, a different third sampling resistor R02 may be selected according to the demand for the charging current. For example, when it is necessary to select a charging current of 1 A or a charging current of 2 A, the third sampling resistor R02 of different resistance values can be selected, so that the design efficiency is high, the speed is fast, and the cost is low.
  • the third sampling resistor R02 can also be set as a pull-up resistor, that is, one end of the third sampling resistor R02 is electrically connected to the control chip 22, and the other end of the third sampling resistor R02. Electrically connected to the positive pole B+ of the electronic cigarette.
  • step S12 further includes:
  • the control chip 22 controls the operation of the heating wire 21 according to the control amount so that the temperature of the heating wire 21 is relatively stably within a preset range.
  • control chip 22 includes a control module 41, a voltage regulator circuit module 42 and a first voltage dividing resistor R04;
  • the first voltage dividing resistor R04 is connected to the first sampling resistor R0, and an end of the first voltage dividing resistor R04 that faces away from the first sampling resistor R0 and an output of the voltage stabilizing circuit module 42
  • the input pin of the voltage stabilizing circuit module 42 is electrically connected to the positive electrode B+ of the electronic cigarette, and the end of the first sampling resistor R0 that faces away from the first voltage dividing resistor R04 is grounded.
  • the other end of a sampling resistor R0 is electrically connected to the first voltage dividing resistor R04 and the control module 22.
  • one end of the heating wire 21 is electrically connected to the control module 22, and the other end of the heating wire 21 is electrically connected to the positive electrode B+ of the power source.
  • control module the voltage regulator circuit module and the first voltage dividing resistor are integrated in the control chip.
  • the control module controls the current flowing through the heating wire, and the first voltage dividing resistor divides the power of the electronic cigarette, and the voltage stabilizing circuit module adjusts the power supply greater than 3V to supply a stable 3V voltage for the control module to supply power. .
  • the main circuit of the electronic cigarette can be integrated on one control chip, the use range of the control chip is expanded, and the design process of the electronic cigarette is greatly simplified, and the page is corrected.
  • Article 91) ISA/CN In manufacturing, high production efficiency and low production costs.
  • the present invention further provides a method for controlling an electronic cigarette, wherein the electronic cigarette includes a heating wire, a first sampling resistor and a control chip, and the heating wire is used. Forming smoke in the atomized smoke oil, the resistance value of the heating wire changes with temperature, and the first sampling resistor is electrically connected to the control chip;
  • the control method includes:
  • the control chip controls, according to a resistance value of the first sampling resistor, a current of the heating wire when the electronic cigarette starts to work;
  • the control chip detects an actual resistance value of the electric heating wire in actual operation, and controls a current flowing through the electric heating wire according to the actual resistance value, so as to control an operating temperature of the electronic cigarette. Within the preset range.
  • the electronic chip is designed by using the integrated control chip, the selected heating wire and the first sampling resistor in the first embodiment, so that the control chip in the electronic cigarette integrates the main circuit of the electronic cigarette to expand the control.
  • the applicable range of the chip, the heating wire and the first sampling resistor select different resistance values to meet different design requirements, so that the designed electronic cigarette can control the working temperature of the heating wire.
  • the control chip controls the current flowing through the heating wire according to the resistance value of the first sampling resistor.
  • the control chip Since the resistance value of the heating wire changes with the working temperature, after the heating wire works, the control chip obtains the actual working temperature of the heating wire by detecting the actual resistance value of the heating wire in actual work, and then passes through the heating wire through the control.
  • the current is controlled to control the temperature of the smoke, that is, the operating temperature of the heating wire within a preset range. It can be understood that the actual resistance value of the heating wire in actual operation can be characterized by the magnitude of the potential difference across the heating wire.
  • the electronic cigarette further includes a second sampling resistor electrically connected to the control chip, and the control method further includes:
  • control chip controlling, by the control chip, a length of time required for the heating wire to start heating to a working target temperature according to a resistance value of the second sampling resistor.
  • the control chip controls the current when the heating wire starts working to control the length of time from the normal temperature to the preset temperature when the electronic cigarette works, wherein, the preset
  • the temperature is the working target temperature of the heating wire.
  • the working temperature of the heating wire is 280 ° C.
  • the heating wire can be quickly heated from normal temperature to 280 ° C, and the control chip of the present invention can control the heating wire from the second sampling resistor.
  • the temperature is heated to 280 ° C at room temperature, such that the heating time is 2 seconds later than the existing electronic cigarette.
  • the temperature of the heating wire can be changed not too fast, and the taste of the user is better when used, thereby improving the user experience.
  • the electronic cigarette further includes a third sampling resistor R02 electrically connected to the control chip 22, and the control method further includes:
  • the control chip 22 controls the magnitude of the charging current according to the resistance value of the third sampling resistor R02 when charging the electronic cigarette.
  • the resistance value of the third sampling resistor R02 is characterized by the voltage of the end of the third sampling resistor R02.
  • the charging pin CHG of the control chip 22 is electrically connected to an external power source to charge the power source BAT of the electronic cigarette.
  • the electronic cigarette further includes a correction circuit 23 electrically connected to the control chip 22, and the control method further includes:
  • the correction circuit 23 calculates the control amount according to the actual operating temperature of the heating wire 21 and the working target temperature difference, and the control chip controls the heating wire 21 to operate according to the control amount so that the temperature of the heating wire 21 is at a temperature. Within the preset range. By setting the correction circuit 23, the stability of the entire electronic cigarette system is increased.
  • the correction circuit 23 includes a first capacitor C01, a second capacitor C02, and a loop compensation resistor R03.
  • the first capacitor C01 is connected in series with the loop compensation resistor R03.
  • One end of a capacitor C01 that faces away from the loop compensation resistor R03 is connected to the control chip 22, and one end of the loop compensation resistor R0 3 away from the first capacitor C01 is grounded; one end of the second capacitor C02 is grounded.
  • the other end of the second capacitor C02 is electrically connected to one end of the first capacitor C01 away from the loop compensation resistor R03.
  • the control chip 22 is provided with a control module 41, a voltage stabilization circuit module 42, a detection circuit 43, and an error comparison circuit 44, wherein the detection circuit 43 is configured to detect the voltage at the end of the heating wire 21, and Outputting the detection result to the error comparison circuit 44; the error comparison circuit 44 is configured to compare the voltage Us delivered by the detection circuit with the preset target voltage value U0 to determine the actual operating temperature and the working target temperature difference;
  • the control module 41 controls the operation of the heating wire 21 in accordance with the control amount output from the correction circuit 23.
  • the electronic cigarette further includes a smoking control switch K1, a first LED display unit 24, and a second LED that are both connected to the control chip 22.
  • the display unit 25, the control method further includes:
  • the smoking control switch K15 is continuously triggered within 3 seconds, the first LED display unit 24 displays the remaining amount of the electronic cigarette battery, and the second LED display unit 25 flashes 3 times, and then locks the machine;
  • the smoking control switch is continuously triggered K15 times within 3 seconds, and the second LED display unit 25 flashes 5 times to enter the standby mode.
  • the smoking control switch K1 when the electronic cigarette power supply voltage is lower than the first preset value, the smoking control switch K1 is triggered, the control chip 22 controls the second LED display unit 25 to flash 10 times and The heating wire 21 is controlled to be in a non-operating state.
  • the first preset value is 3.47V
  • the first LED display unit 24 includes LED1 to LED4
  • the second LED display unit 25 includes LED 5. It can be understood that the number of the LEDs is set as needed, and is not specifically limited herein.
  • the designed electronic cigarette can be used to control the working temperature of the heating wire, improve the yield of the product, and the product consistency is good, thereby improving the user experience.
  • the present invention further provides an electronic cigarette, including a heating wire 21, a first sampling resistor R0 and a control chip 22;
  • the heating wire 21 is electrically connected to the control chip and used to atomize the smoke oil to form a smoke, and the control chip 22 is configured to control, according to the resistance value of the first sampling resistor R0, the electronic cigarette to start working.
  • the current of the heating wire 21 Specifically, in this embodiment, one end of the first sampling resistor R0 is grounded, and the other end of the first sampling resistor R0 is only electrically connected to the input pin of the control chip 22.
  • first sampling resistor R0 can also be set as a pull-up resistor, that is, one end of the first sampling resistor R0 is electrically connected to the positive pole B+ of the power source, and the other end of the first sampling resistor R0 is only The input pins of the control chip 22 are electrically connected.
  • the electronic cigarette in the embodiment of the present invention is designed by the design method of the first embodiment.
  • the control chip integrates the main circuit in the existing electronic cigarette, and can expand the use range of the control chip.
  • the heating wire and the first sampling resistor can select different resistance values by selecting different resistance values (Article 91) ISA /CN According to the demand, the designed heating wire is easy to manufacture, high in production efficiency and low in production cost.
  • the heating wire in this embodiment can control the operating temperature of the heating wire.
  • the control chip controls the current flowing through the heating wire according to the resistance value of the first sampling resistor.
  • the control chip Since the resistance value of the heating wire changes with the working temperature, after the heating wire works, the control chip obtains the actual working temperature of the heating wire by detecting the actual resistance value of the heating wire in actual work, and then passes through the heating wire through the control. The current is controlled to control the operating temperature of the heating wire within a preset range. Therefore, the control using the electronic cigarette of the embodiment improves the yield of the product, the product consistency is good, and the user experience is improved.
  • control chip 22 includes a control module 41, a voltage regulator circuit module 42 and a first voltage dividing resistor R04;
  • the first voltage dividing resistor R04 is connected to the first sampling resistor R0, and an end of the first voltage dividing resistor R04 that faces away from the first sampling resistor R0 and an output of the voltage stabilizing circuit module 42
  • the input pin of the voltage stabilizing circuit module 42 is electrically connected to the power source B+ of the electronic cigarette, and the end of the first sampling resistor R0 that faces away from the first voltage dividing resistor R04 is grounded, the first sampling
  • the other end of the resistor R0 is electrically connected to the first voltage dividing resistor R04 and the control module 41.
  • one end of the heating wire 21 is electrically connected to the control module 41, and the other end of the heating wire 21 is electrically connected to the positive electrode B+ of the power source.
  • control module the voltage regulator circuit module and the first voltage dividing resistor are integrated in the control chip.
  • the control module controls the current flowing through the heating wire, and the first voltage dividing resistor divides the power of the electronic cigarette, and the voltage stabilizing circuit module adjusts the power supply greater than 3V to supply a stable 3V voltage for the control module to supply power. .
  • the control module 41 includes a control unit 61, a first resistor R43, a second resistor R41, a third resistor R42, a fourth resistor R38, and a fifth a resistor R39, a capacitor C22, a first field effect transistor Q8 and a second field effect transistor Q9;
  • the drain of the first field effect transistor Q8 is electrically connected to one end of the heating wire 21 and one end of the fourth resistor R38, and the other end of the fourth resistor R38 and the control unit 61 are respectively connected. Electrically connected, one end of the capacitor C2 2 is electrically connected to the control unit 61, the other end of the capacitor C22 is grounded, the fifth resistor R 39 is connected in parallel with the capacitor C22; the first field effect transistor Q8 The source of the first field effect transistor Q 8 is electrically connected to one end of the control unit 61 and the third resistor R42, and the other end of the third resistor R42 is grounded; Rule 91) ISA/CN [0090] The drain of the second field effect transistor Q9 is electrically connected to one end of the second resistor R41, and the other end of the second resistor R41 is electrically connected to one end of the heating wire 21, the second The source of the FET Q9 is grounded, the gate of the second FET Q9 is electrically connected to one end of the control unit 61
  • one end of the first sampling resistor R0 is electrically connected to the control unit 61, and the other end of the first sampling resistor R0 is grounded; one end of the first voltage dividing resistor R04 is connected in series with the first sampling resistor R0. The other end of the first voltage dividing resistor R04 is electrically connected to the voltage regulator circuit module 42 of the electronic cigarette.
  • the fourth resistor R38, the fifth resistor R39, and the capacitor C22 constitute a voltage dividing circuit unit 62 in the control module 41.
  • the voltage dividing circuit unit 62 is mainly used when the voltage at the connection terminal 0- is greater than 3V, and the control unit 61 can also read the voltage value there.
  • the control unit 61 outputs a standard duty ratio, and turns on the first field effect transistor Q8 to heat the heating wire 21;
  • the first field effect transistor Q8 is turned off, and the second field effect transistor Q9 is turned on to detect the actual operating voltage and the actual operating current of the heating wire 21.
  • the actual working voltage of the heating wire is calculated by detecting the voltage value of the end of the heating wire 21, and based on the voltage of the positive electrode B+ of the electronic cigarette, the actual working current of the heating wire passes the voltage value of the second resistor R41, and Calculated based on the resistance value of the second resistor R41. After obtaining the actual working voltage and the actual working current of the heating wire 21, calculating the resistance value of the heating wire 21 in actual operation, and obtaining the electric heating according to a pre-established correspondence table between the temperature of the heating wire and the resistance value.
  • the actual operating temperature of the wire 21, which in turn compares the actual operating temperature with a preset target operating temperature, and controls the actual operating temperature of the heating wire 21 by adjusting the duty ratio output to the heating wire 21 Within the preset range.
  • the magnitude of the resistance of the first sampling resistor R0 is characterized by the magnitude of the voltage at the end of the first sampling resistor R0, and the control unit 61 is opposite to the end of the first sampling resistor R0.
  • the voltage is subjected to analog-to-digital conversion to obtain a voltage value at the end of the first sampling resistor R0.
  • the electronic cigarette further includes a second sampling resistor R 01, one end of the second sampling resistor R01 is grounded, and the second sampling resistor R01 is The other end is electrically connected to the input pin of only the control unit 61.
  • the control unit 61 controls the length of time required for the heating wire 21 to start heating to the working target temperature according to the resistance value of the second sampling resistor R01.
  • the corrected page (Article 91) ISA/CN The magnitude of the resistance of the second sampling resistor R01 is characterized by the magnitude of the voltage at the end of the second sampling resistor R01.
  • the control unit 61 performs analog-to-digital conversion on the voltage of the end of the second sampling resistor R01 to obtain the second sampling resistor R01. The voltage value at the end.
  • the control unit 61 controls the length of time from the normal temperature to the preset temperature when the electronic cigarette works according to the resistance value of the second sampling resistor R0 1 , wherein the preset temperature It is the working target temperature of the heating wire.
  • the working temperature of the heating wire is 280 ° C.
  • the heating wire can be quickly heated from normal temperature to 280 ° C, and the present invention can be set by the second sampling resistor.
  • the length of time during which the heating wire is heated from normal temperature to 280 ° C is controlled, for example, the heating time is 2 seconds later than the existing electronic cigarette. By controlling the heating time, the temperature of the heating wire can be changed not too fast, and the taste of the user is better when used, thereby improving the user experience.
  • the electronic cigarette further includes a third sampling resistor R02 connected to the control chip 22, and the control chip is charged when the electronic cigarette is charged. 22 controls the magnitude of the charging current according to the resistance value of the third sampling resistor R02.
  • the resistance value of the third sampling resistor R02 is characterized by the voltage of the end of the third sampling resistor R02.
  • the charging module 40 and the control module 41 are disposed in the control chip 22, and the charging module 40 is electrically connected to the control module 41 and the charging pin CHG. When charging, the charging pin CHG of the control chip is electrically connected to an external power source, and the electronic cigarette power source BAT can be charged.
  • the electronic cigarette further includes a correction circuit 23 connected to the control chip 22, and the correction circuit 23 is based on the heating wire 21 when the electronic cigarette is in operation.
  • the actual operating temperature is compared with the operating target temperature to calculate a control amount, and the control chip 22 controls the operation of the heating wire 21 in accordance with the control amount.
  • the correction circuit 23 includes a first capacitor C01, a second capacitor C02, and a loop compensation resistor R03.
  • the first capacitor C01 is connected in series with the loop compensation resistor R03.
  • One end of the first capacitor C 01 that faces away from the loop compensation resistor R03 is connected to the control chip 22, and one end of the loop compensation resistor R03 is away from the first capacitor C01; one end of the second capacitor C02
  • the other end of the second capacitor C02 is electrically connected to one end of the first capacitor C01 away from the loop compensation resistor R03.
  • the control chip 22 is provided with a control module 41, a voltage stabilization circuit module 42, and a detection power correction page (Article 91) ISA/CN
  • the circuit 43 and the error comparison circuit 44, the detection circuit 43 is configured to detect the voltage at the end of the heating wire 21, and output the detection result to the error comparison circuit 44;
  • the error comparison circuit 44 is used to The voltage Us sent by the detection circuit is compared with a preset target voltage value U0 to determine a difference between the actual operating temperature and the working target temperature; the control module 41 controls the heating wire 21 according to the control amount output by the correction circuit 23. jobs.
  • the control chip 22 further includes a charging management circuit module 81, a boosting circuit module 82, a voltage stabilizing circuit module 83, and a reset circuit module 84. Battery voltage detection circuit module 85 and battery protection circuit module 86.
  • the control unit U10 has the same circuit structure as the microprocessor of the STM32F030K6 model produced by the STMicroelectronics Group. Therefore, the internal structure of the control unit U10 will not be described here.
  • the electronic cigarette also includes a charging USB interface Pl, a button module, and a display module.
  • the charging USB interface P1 is used for external charging of the electronic cigarette, which comprises five interfaces, the interface 2, the interface 3 and the interface 4 are used for writing the program to the electronic cigarette, the interface 5 is grounded, and the interface 1 is passed through the resistor R27. It is electrically connected to the charge management circuit module 81.
  • the charging management circuit module 81 includes a charging management circuit unit U7 and a resistor R32, wherein the circuit of the charging management circuit unit U7 has the same circuit structure as the charging management chip of the AP5056 model produced by Wuxi Xinpeng Microelectronics Co., Ltd. Therefore, the internal structure of the charging management circuit unit U7 will not be described herein.
  • One end of the resistor R32 is connected to the PR OG pin of the charge management circuit unit U7, the other end of the resistor R32 is grounded, and the BAT pin of the charge management circuit unit U7 is connected to the positive electrode B+ of the cigarette.
  • the CHGING pin of the charging management circuit unit U7 is at a low level, and the DONE pin is at a high level; after the electronic cigarette is charged, the CHGING bow I of the charging management circuit unit U 7 is high. Flat, DONE bow
  • the boosting circuit module 82 includes a boosting circuit unit U8, an inductor L2, a diode D4, a resistor R28, and a resistor R31.
  • the circuit of the booster circuit unit U8 is the same as that of the booster chip of the model MT3608 produced by Xi'an Aerospace Science and Technology Co., Ltd. Therefore, the circuit structure of the booster circuit unit U8 will not be described herein.
  • the boosting circuit module 82 is connected to the power source B+ of the electronic cigarette through the FET Q6 and the transistor Q7.
  • the source of the FET Q6 is connected to the power source B+ of the electronic cigarette, the gate of the FET Q6 is connected to the collector of the transistor Q7, the base of the transistor Q7 is connected to the power source 5V_EN through the resistor R33, and the emitter of the transistor Q7 is grounded, the field The drain of the effect transistor Q6 and the end of the inductor L2, the VIN pin of the booster circuit unit U8, and the EN correction page (Article 91) ISA/CN
  • the other end of the inductor L2 is connected to the SW pin of the booster circuit unit U8 and the anode of the inductor D4, the cathode of the inductor D4 is connected to one end of the resistor R28, and the other end of the resistor R28 is respectively connected to the booster circuit unit U8.
  • the FB pin and one end of the resistor R31 are connected, and the other end of the resistor R31 is grounded.
  • an output pin of the boosting circuit module 82 is connected to the USB interface P2, and the boosting circuit module 82 is configured to boost a voltage of less than 5V to 5V.
  • the base of the transistor Q7 is extremely low level signal, the field effect transistor Q6 and the transistor Q7 are turned off.
  • the base of the transistor Q7 is extremely high level signal, the field effect transistor Q6 and the transistor Q7 are guided. Through, the external interface is charged through the USB interface P2.
  • the voltage stabilizing circuit module 83 includes a voltage stabilizing circuit unit U9 and a diode D5.
  • the anode of the diode D5 is connected to the power supply B+
  • the cathode of the diode D5 is connected to the Vin pin of the voltage regulator circuit unit U9
  • the Vout pin of the voltage regulator circuit unit U9 is connected to the power supply VDD.
  • the voltage stabilizing circuit module 83 is used to regulate a power supply voltage greater than 3V to output a stable 3V VDD voltage.
  • the circuit structure of the voltage stabilizing circuit unit U9 is the same as that of the voltage regulator chip of the model TLV70430 produced by Texas Instruments. Therefore, the circuit structure of the voltage stabilizing circuit unit U9 will not be described herein.
  • the reset circuit module 84 includes a reset circuit unit U11 and a resistor R40.
  • the vin pin of the reset circuit unit U11 is respectively connected to one end of the voltage VDD and the resistor R40, and the other end of the resistor R40 is respectively connected to the vout pin of the reset circuit unit U11 and the NRST pin of the control unit U10, and the vss of the reset circuit unit U11 The pin is grounded.
  • the reset circuit module 84 is configured to output a low level when the voltage at VDD is less than 2.2V, so that the control unit U10 is reset to prevent the control unit U10 from being out of control.
  • the reset circuit unit U11 has the same circuit structure as the reset circuit chip of the model NC/BL8506-22 produced by Shanghai Belling Co., Ltd., and therefore, the internal circuit structure thereof will not be described herein.
  • the battery voltage detecting circuit module 85 includes a resistor R44, a resistor R45, and a capacitor C25. One end of the resistor R44 is connected to the positive pole of the power supply B+, the other end of the resistor R44 is connected to one end of the resistor R45, the other end of the resistor R45 is connected to the ground, and the capacitor C25 is connected in parallel with the resistor R45.
  • the battery voltage detecting circuit module 85 is configured to control the power supply to supply power to the heating wire when the power supply voltage is less than 3.3V.
  • the battery protection circuit module 86 includes a battery protection circuit unit U12, a resistor R52, a resistor R53, a capacitor C3 3, and a field effect transistor Q12.
  • One end of the resistor R52 is connected to the positive pole B+ of the power source, and the other end of the resistor R52 is respectively connected with one end of the capacitor C33 and the VDD pin of the battery protection circuit unit U12, and the other end of the capacitor C33 is connected to the negative pole B- of the power source;
  • one end of the resistor R53 is connected to the battery protection VM pin of circuit unit U12, correction page of resistor R53 (Rule 91) ISA/CN The other end is grounded; the drain of the FET Q12 is grounded, the source of the FET Q12 is connected to the negative terminal B- of the power supply, and the gate of the FET Q12 is connected to the DO pin of the chip U12.
  • the battery protection circuit module 86 is used to protect the battery power.
  • the circuit structure of the battery protection circuit unit U12 is the same as that of the battery protection chip of the model MM3280 manufactured by MITSUM I, and therefore, the circuit structure thereof will not be described herein.
  • the button module includes a switch Sl, a switch S2, a switch S3, a switch S4, a resistor R47, a resistor R48, a resistor R49, and a resistor R50.
  • One end of the switch SI is connected to one end of the resistor R47, the KEY pin of the control unit U10, the other end of the resistor R47 is connected to the voltage VDD, and the other end of the switch SI is grounded;
  • one end of the switch S2 is respectively connected to one end of the resistor R48, and the control unit U10 is KEY+ pin, the other end of the resistor R48 is connected to the voltage VDD, and the other end of the switch S2 is grounded;
  • one end of the switch S3 is connected to one end of the resistor R49, the KEY- pin of the control unit U10, and the other end of the resistor R48 is connected to the voltage VDD, the switch The other end of the switch S4 is grounded;
  • one end of the switch S4 is connected to one end of the resistor R50, the KEY_0 pin of the control unit U10, the other end of the resistor R50 is connected to the voltage VDD, and the other end of the switch S4 is grounded.
  • the display module includes a chip 0LED1, a transistor Q13, a field effect transistor Q10, and a transistor Q11.
  • the drain of the FET Q10 is connected to the power supply B+, the source of the FET Q10 is connected to the VBAT pin of the chip OLED1, the gate of the OLED1 is connected to the collector of the transistor Q13 via the resistor R54, and the emitter of the transistor Q13 is grounded, the transistor Q13
  • the base of the transistor is connected to the VDD pin of the chip OLED1 through a resistor R57; the base of the transistor Q11 is connected to the OLEDPW through a resistor R55, the emitter of the transistor Q11 is connected to VDD, and the collector of the transistor Q11 is connected to the VDD pin of the chip OLED1.
  • the OLED1's SCL pin and S DA pin are used to write data.
  • the base of the transistor Q11 inputs a low level signal, and the transistor Q13, the field effect transistor Q10 and the transistor Q11 are turned on to save power.
  • the display module is used to display the drive power and the actual temperature of the heating wire.
  • the control chip 22 includes a charge management circuit unit U1, a battery protection circuit unit U2, a control unit U3, a field effect transistor Q1, and a field effect transistor Q2.
  • the electronic cigarette further includes a U SB interface P1, a switch K1 and a battery power display module, and an electric heating wire (not shown) of the electronic cigarette is connected between the connection end o+ and the connection end 0-.
  • the battery power display module includes a smoking light LED5, a power correction page (Article 91) ISA/CN Indicator LED1, battery indicator LED2, battery indicator LED3 and battery indicator LED4.
  • the VCC bow pin and the CE bow I pin of the charging management circuit unit U1 are respectively connected to the VCC pin 1 of the USB interface P1, and the BAT pin of the charging management circuit unit U1 is connected to the positive B+ of the power supply, and the PROG of the charging management circuit unit U1.
  • the pin is electrically connected to the third sampling resistor R02. By setting the third sampling resistor R02, the required charging current can be set.
  • the VM pin of the battery protection circuit unit U2 is grounded, and the VDD pin is connected to the positive B+ of the power supply through the resistor R2.
  • the GND pin is connected to the negative pole of the power supply B-; the PB0/AN0 pin of the control unit U3 is connected to the drain of the FET Q1 through the resistor R6, the source of the FET Q1 is connected to the power supply B+, and the FET Q2 is connected through the resistor R4.
  • the gate of the FET Q1 is connected to the OS pin of the control unit U3; the source of the FET Q2 is connected to the power supply B+, and the drain of the FET Q2 is connected to the PA5/A N4 of the control unit U3 via the resistor R7. Pin.
  • one end of the switch K1 is connected to the PA2 pin of the control unit U3, and the other end of the switch K1 is grounded.
  • the control unit U3 controls the opening and closing of the FET Q1 through the OS pin, thereby controlling the operation of the heating wire. More specifically, in the embodiment, when the switch K1 is triggered, the control unit U3 controls the opening and closing of the field effect transistor Q1, and controls the current flowing through the heating wire according to the magnitude of the resistance of the first sampling resistor R0. In order to detect the temperature when the heating wire is working, when the PB1/AN1 pin of the control unit U3 outputs a low level, the FET Q2 is turned on.
  • the OS pin outputs a high level, and the FET Q1 is turned off, thereby detecting B+. And the voltage at 0+, the resistance value of the heating wire at this time is calculated by the detected voltage, and then the operating temperature of the heating wire is calculated, so that the temperature of the heating wire can be controlled.
  • the control chip is the only chip of the electronic cigarette, that is, the electronic cigarette has only one chip.
  • the circuit structure of the charging management circuit unit U1 is the same as that of the charging management chip of the model AP5056 produced by Wuxi Xinpeng Microelectronics Co., Ltd.; the circuit of the battery protection circuit unit U2 The circuit structure of the battery protection chip of the model XB5353A produced by Sai Ke Microelectronics Co., Ltd. is the same; the circuit structure of the control unit U3 and the circuit structure of the control chip of the model HT66F004 produced by Hetai Semiconductor (China) Co., Ltd. In another embodiment, as shown in FIG. 12, this embodiment is similar to the circuit structure of the electronic cigarette shown in FIG.
  • control chip 22 which is different in the following embodiments: A transistor switch including a heating wire (not shown) and the control chip 22 is included, and the control chip passes the correction page (Article 91) ISA/CN Controlling the on and off of the transistor switch to control the current of the heating wire, specifically, in this embodiment
  • the transistor switch is a FET Q1, and the heating wire is connected between the connection end o+ and the connection end 0-; but the FET Q1 is not required in the control chip of the embodiment, that is, the FET Q1 is placed Outside the control chip 22, it is not integrated with the control chip 22 on one chip. Therefore, the heat generated by the field effect tube Q1 can be better dissipated to avoid excessive temperature.
  • the designed electronic cigarette can be used to control the working temperature of the heating wire, improve the yield of the product, and the product consistency is good, thereby improving the user experience.
  • the chip design engineer since the main circuit of the electronic cigarette of the present invention is integrated on a control chip, the chip design engineer does not need to consider the material of the heating wire when designing the control chip, so that it can be compared with the prior art. Expanding the use range of the control chip; in addition, when the application engineer completes the design of the whole electronic cigarette circuit, it is only necessary to select different electric heating wires and first sampling resistors according to different materials and different target temperatures, Completing different design requirements without complicated connection, testing and adjustment, thus greatly simplifying the design of the electronic cigarette circuit, facilitating manufacture, high production efficiency and low production cost; Moreover, the electronic cigarette control method of the invention is improved Product yield, product consistency, and improved user experience.
  • 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. Further, the present invention may take the form of a computer program product embodied in one or more of which comprises a computer usable storage medium having computer-usable program code (including but not limited to, disk storage, CD-R 0 M, optical memory, etc.).

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Abstract

一种电子烟的设计方法、控制方法及电子烟,所述电子烟包括电热丝(21)、第一取样电阻(R0)及控制芯片(22),所述电热丝(21)用于雾化烟油形成烟雾,所述控制芯片(22)用于在电子烟开始工作时根据所述第一取样电阻(R0)的电阻值控制所述电热丝(21)的电流,所述设计方法包括:S11、确定所述电热丝(21)的电阻值;S12、根据所述电热丝(21)的电阻值,确定所述第一取样电阻(R0)的电阻值;S13、将确定的所述电热丝(21)和所述第一取样电阻(R0)分别与所述控制芯片(22)电连接,设计出所述电子烟。通过将电子烟的主要电路集成在一颗控制芯片(22)上,拓展控制芯片(22)的使用范围,且简化电子烟的设计流程,便于制造,生产效率高及生产成本低。

Description

说明书 发明名称:一种电子烟的设计方法、 控制方法及电子烟 技术领域
[0001] 本发明涉及电子烟技术领域, 尤其涉及一种电子烟的设计方法、 控制方法及电 子烟。
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。 所述雾化组件包括雾化套、 套设在雾 化套内的烟油吸附件及电热丝, 所述电热丝与烟油吸附件相贴合以雾化所述烟 油吸附件吸附的烟油, 当检测到吸烟者的吸烟动作时, 电池组件为雾化组件供 电, 使雾化组件处于开启状态; 当雾化组件开启后, 电热丝发热, 烟油受热蒸 发雾化, 形成模拟烟气的气雾, 从而让使用者在吸时有一种类似吸烟的感觉。
[0003] 现有电子烟的电池组件内通常设置有电池、 微处理器、 充电管理芯片、 电池保 护芯片及晶体管开关等, 在研发过程中, 首先根据不同材质的电热丝选择 /设计 不同的芯片, 将上述芯片及部件一一焊接在布好线路的电路板上, 然后再将程 序烧录至所述微处理器中, 最后再调试所述程序, 使电池组件输出合适的功率 , 以致雾化组件雾化出所需温度。 因此, 现有电子烟中的芯片数量较多, 设计 时需要进行繁琐的连接、 测试和调整, 设计流程复杂, 生产效率低下, 且成本 高。 另外, 现有电子烟控制方法使产品良率低下, 产品一致性差, 用户体验度 差。
技术问题
[0004] 本发明针对现有技术中存在的, 电子烟中的芯片数量较多, 设计流程复杂, 生 产效率低下, 且成本高的技术问题, 提供一种电子烟的设计方法、 控制方法及 电子烟, 能够将电子烟的主要电路集成在一颗控制芯片上, 拓展控制芯片的使 用范围, 且极大简化电子烟的设计流程, 便于制造, 生产效率高及生产成本低 问题的解决方案 更正页 (细则第 91条) ISA/CN 技术解决方案
[0005] 一方面, 本发明提供了一种电子烟的设计方法, 所述电子烟包括电热丝、 第一 取样电阻及控制芯片, 所述电热丝用于雾化烟油形成烟雾, 所述控制芯片用于 在电子烟开始工作时根据所述第一取样电阻的电阻值控制所述电热丝的电流, 所述设计方法包括如下步骤:
[0006] Sl l、 确定所述电热丝的电阻值;
[0007] S12、 根据所述电热丝的电阻值, 确定所述第一取样电阻的电阻值;
[0008] S13、 将确定的所述电热丝和所述第一取样电阻分别与所述控制芯片电连接, 设计出所述电子烟。
[0009] 另一方面, 本发明提供了一种电子烟的控制方法, 所述电子烟包括电热丝、 第 一取样电阻及控制芯片, 所述电热丝用于雾化烟油形成烟雾, 所述电热丝的阻 值随温度变化而变化, 所述第一取样电阻与所述控制芯片电连接;
[0010] 所述控制方法包括:
[0011] S21、 所述控制芯片根据所述第一取样电阻的电阻值, 控制所述电子烟开始工 作时所述电热丝的电流;
[0012] S22、 所述控制芯片检测所述电热丝在实际工作中的实际电阻值, 并根据所述 实际电阻值控制流经所述电热丝的电流, 以使所述电热丝的工作温度控制在预 设范围内。
[0013] 另一方面, 本发明提供了一种电子烟, 包括电热丝、 第一取样电阻及控制芯片
[0014] 所述电热丝用于雾化烟油形成烟雾, 所述第一取样电阻与所述控制芯片电连接 , 所述控制芯片用于根据所述第一取样电阻的电阻值控制电子烟开始工作时所 述电热丝的电流。
发明的有益效果
有益效果
[0015] 由于本发明电子烟的主要电路集成在一颗控制芯片上, 芯片设计工程师在设计 所述控制芯片时, 无需考虑电热丝的材质, 因而相对现有技术, 其可拓展所述 控制芯片的使用范围; 此外, 应用工程师在完成整支电子烟电路的设计时, 仅 更正页 (细则第 91条) ISA/CN 需根据不同的材质和不同的目标温度, 选取不同阻值的电热丝和第一取样电阻 , 便完成不同的设计需求, 无需进行繁琐的连接、 测试和调整, 因而极大地简 化了电子烟电路的设计, 便于制造, 生产效率高及生产成本低; 此外, 本发明 电子烟控制方法提高了产品的良率, 产品一致性好, 提高了用户体验。
对附图的简要说明
附图说明
[0016] 图 1为本发明实施例提供的一种电子烟的设计方法的流程图;
[0017] 图 2为本发明实施例提供的第一种电子烟的电路结构示意图;
[0018] 图 3为本发明实施例提供的第二种电子烟的电路结构示意图;
[0019] 图 4为本发明实施例提供的第三种电子烟的电路结构示意图;
[0020] 图 5为本发明实施例提供的一种电子烟的控制方法的流程图;
[0021] 图 6为本发明实施例提供的第一种电子烟内部电路原理图;
[0022] 图 7为本发明实施例提供的第二种电子烟内部电路原理图;
[0023] 图 8A为本发明实施例提供的一种电子烟内部电路中控制芯片的第一部分电路原 理图;
[0024] 图 8B为本发明实施例提供的一种电子烟内部电路中控制芯片的第二部分电路原 理图;
[0025] 图 9为本发明实施例提供的一种电子烟内部电路中按键模块的电路原理图; [0026] 图 10为本发明实施例提供的一种电子烟内部电路中显示模块的电路原理图; [0027] 图 11为本发明实施例提供的第三种电子烟内部电路原理图;
[0028] 图 12为本发明实施例提供的第四种电子烟内部电路原理图。
本发明的实施方式
[0029] 本发明实施例通过提供一种电子烟的设计方法, 用于解决现有技术中电子烟芯 片数量较多, 设计流程复杂, 生产效率低下, 且成本高的技术问题, 能够将电 子烟的主要电路集成在一颗控制芯片上, 拓展控制芯片的使用范围, 且极大简 化电子烟的设计流程, 便于制造, 生产效率高及生产成本低。
[0030] 本发明实施例的技术方案为解决上述技术问题, 总体思路如下: 更正页 (细则第 91条) ISA/CN [0031] 本发明实施例提供了一种电子烟的设计方法, 所述电子烟包括电热丝、 第一取 样电阻及控制芯片, 所述电热丝用于雾化烟油形成烟雾, 所述控制芯片用于在 电子烟开始工作时根据所述第一取样电阻的电阻值控制所述电热丝的电流, 所 述设计方法包括如下步骤: Sl l、 确定所述电热丝的电阻值; S12、 根据所述电 热丝的电阻值, 确定所述第一取样电阻的电阻值; S13、 将确定的所述电热丝和 所述第一取样电阻分别与所述控制芯片电连接, 设计出所述电子烟。
[0032] 可见, 在本发明实施例中, 将电子烟的主要电路, 如充电管理电路、 稳压电路 、 微处理器、 电池保护电路等集成在一颗控制芯片上, 芯片设计工程师在设计 所述控制芯片时, 无需考虑电热丝的材质, 因而相对现有技术, 其可拓展所述 控制芯片的使用范围; 此外, 应用工程师在完成整支电子烟电路的设计时, 仅 需根据不同的材质和不同的目标温度, 选取不同阻值的电热丝和第一取样电阻 连接在所述控制芯片上, 便设计出满足不同设计需求的电子烟, 而无需将各个 电路进行繁琐的连接、 测试和调整, 因而极大地简化了电子烟电路的设计, 便 于制造, 生产效率高及生产成本低。
[0033] 为了更好的理解上述技术方案, 下面将结合说明书附图以及具体的实施方式对 上述技术方案进行详细的说明, 应当理解本发明实施例以及实施例中的具体特 征是对本申请技术方案的详细的说明, 而不是对本申请技术方案的限定, 在不 冲突的情况下, 本发明实施例以及实施例中的技术特征可以相互组合。
[0034] 实施例一
[0035] 请参考图 1, 本发明实施例提供了一种电子烟的设计方法, 所述电子烟包括电 热丝、 第一取样电阻及控制芯片, 所述电热丝用于雾化烟油形成烟雾, 所述控 制芯片用于在电子烟开始工作时根据所述第一取样电阻的电阻值控制所述电热 丝的电流, 所述设计方法包括如下步骤:
[0036] Sl l、 确定所述电热丝的电阻值;
[0037] S12、 根据所述电热丝的电阻值, 确定所述第一取样电阻的电阻值;
[0038] S13、 将确定的所述电热丝和所述第一取样电阻分别与所述控制芯片电连接, 设计出所述电子烟。
[0039] 需要说明的是, 电子烟的主要电路, 如充电管理电路、 稳压电路、 微处理器、
更正页 (细则第 91条) ISA/CN 电池保护电路等均集成在所述控制芯片上, 基于该集成的控制芯片, 选取所需 的电热丝和第一取样电阻进行连接, 即可设置出所需的电子烟。 在选取电热丝 时, 根据设计需求选取电子烟所需电热丝的电阻值, 以根据该电阻值选取相应 的电热丝。 在确定电热丝的电阻值后, 根据电热丝的电阻值可计算出第一取样 电阻的电阻值, 进而根据该电阻值选取相应的第一取样电阻。 将选取的电热丝 和第一取样电阻分别连接到集成的控制芯片上, 即可设计出满足需求的电子烟 。 采用集成的控制芯片能扩展控制芯片的使用范围, 而选取不同阻值的电热丝 和第一取样电阻进行设计, 能够极大简化电子烟的电路设计, 便于制造, 生产 效率高及生产成本低。
[0040] 进一步地, 在具体实施过程中, 所述电热丝的电阻值为目标电阻值, 其中, 所 述目标电阻值为电热丝在工作目标温度时的电阻值。 可以理解的是, 所述电热 丝的电阻值可以为非工作目标温度时的电阻值, 在此不作具体限定。
[0041] 需要说明的是, 电热丝的电阻值随温度的变化而变化, 即电热丝的电阻值与其 工作温度具有一一对应的关系。 在选取电热丝时, 通过电热丝在工作目标温度 时所对应的电阻值来确定其目标电阻值, 进而根据该目标电阻值来确定相应的 第一取样电阻的电阻值; 因此, 在电子烟开始工作时, 所述控制芯片可以根据 所述第一取样电阻的电阻值控制流经所述电热丝的电流与所述电热丝达到工作 目标温度时流经所述电热丝的电流相等或者略大于所述电热丝达到工作目标温 度时流经所述电热丝的电流, 因而, 不仅可避免电子烟开始工作时烟雾温度过 热, 而且可简化控制芯片的设计。 可以理解的是, 在电子烟开始工作时, 所述 电热丝电流的大小在此不作具体限定。
[0042] 进一步地, 在具体实施过程中, 所述步骤 S 12具体为:
[0043] 根据所述电热丝的电阻值, 采用一次函数 y=kx+b进行计算, 确定所述第一取样 电阻的电阻值, 其中, k和 b为常量, X为电热丝的电阻值, y为所述第一取样电 阻的电阻值。
[0044] 需要说明的是, 电热丝的电阻值与第一取样电阻的电阻值存在一定的函数关系 , 该函数关系包括但不限于上述函数 y=kx+b, 例如, 也可以用指数函数 y=a 、 幂函数 y= a或者对数函数 y= log ax等进行计算, 其中, a为常量, 所述 a、 k和 b的
更正页 (细则第 91条) ISA/CN 值可以根据需要进行设定。 在确定了电热丝的电阻值后, 通过一定的函数关系 即可计算出第一取样电阻的电阻值, 进而根据该电阻值选取相应的第一取样电 阻。 在设计电路过程中, 根据电子烟不同的工作温度, 选取不同阻值的电热丝 及第一取样电阻, 即可快速设计出电子烟的电路。 在一种实施方式中, 所述步 骤 S12具体为: 根据所述电热丝的电阻值, 采用离散函数 y=f(x)进行计算, 确定 所述第一取样电阻的电阻值, 其中, X为电热丝的电阻值, y为所述第一取样电 阻的电阻值。 其中, 所述离散函数 y=f(x)可根据需要进行设定, 例如可以为: y=
X* (乘) 104, X取值为 0.2、 0.25、 0.3、 0.35等, 再此不做具体限定。
[0045] 进一步地, 所述步骤 S12具体为: 根据所述电热丝的电阻值, 采用査表方式, 确定所述第一取样电阻的电阻值, 其中, 在表中的所述电热丝的电阻值为离散 型数值并与所述第一取样电阻的电阻值一一对应。
[0046] 进一步地, 在具体实施过程中, 如图 2所示, 所述电热丝 21的一端和所述控制 芯片 22电连接, 所述电热丝 21的另一端电连接至电源正极 B+。 所述第一取样电 阻 R0的一端接地, 所述第一取样电阻 R0的另一端只和所述控制芯片 22电连接, 即与所述控制芯片 22电连接的第一取样电阻 R0的一端仅用于为所述控制芯片 22 提供信号, 较好地避免了现有技术中, 通过很多个器件进行连接时, 需进行繁 杂的计算、 设计及测试等问题。
[0047] 需要说明的是, 在生产所述控制芯片时, 则已将控制程序写入所述控制芯片内 , 每单位第一取样电阻的电阻值对应控制芯片产生一定的预设占空比的 PWM波 , 使得第一取样电阻的电阻值与 PWM波成正比或反比。 在确定第一取样电阻的 电阻值后, 可在电子烟开始工作时, 通过第一取样电阻的电阻值, 控制流经电 热丝的电流, 进而实现控制电热丝的工作温度。 可以理解的是, 可将所述第一 取样电阻 R0设为上拉电阻, 所述第一取样电阻 R0的一端电连接至所述电子烟的 电源正极 B+, 所述第一取样电阻 R0的另一端只和所述控制芯片 22电连接。 因此 , 将所述第一取样电阻 R0设置为上拉电阻或者下拉电阻可以根据需要进行设定 , 在此不作具体限定。
[0048] 进一步地, 在具体实施过程中, 所述步骤 S11具体为:
[0049] 选取电阻值随温度变化而变化的材质做为电热丝, 根据所述电热丝的温度与电
更正页 (细则第 91条) ISA/CN 阻值的关联关系、 所述电热丝的工作目标温度和所述电子烟的供电电压, 确定 所述电热丝的电阻值。
[0050] 需要说明的是, 电热丝的材质会选取电阻值随温度的变化而变化的材质, 使电 热丝的电阻值与工作温度具有相对应的关联特性。 在选取电热丝的阻值时, 根 据设计需求, 即根据电热丝的工作目标温度、 电热丝的材质和电子烟的供电电 压进行选取。 例如, 所需设计的电子烟的电热丝稳定工作时的雾化温度, 即电 热丝的工作目标温度为 280°C, 电热丝的材质为钛, 且电子烟的供电电压为 4.2V , 则可根据这些设计需求计算出电子烟所需电热丝的电阻值。 可以理解的是, 所述电热丝稳定工作时所述电热丝的温度可以为在某个预设范围内, 即所述工 作目标温度可以为一个预设范围值; 相应地, 所述电热丝 21的阻值选择在与该 工作目标温度的预设范围值对应的电阻值。
[0051] 进一步地, 在具体实施过程中, 所述步骤 S12还包括:
[0052] 确定第二取样电阻的电阻值, 并将确定的所述第二取样电阻的一端只与所述控 制芯片电连接, 所述第二取样电阻的另一端接地, 以使所述控制芯片根据所述 第二取样电阻的电阻值控制所述电热丝从开始加热到工作目标温度所需的时长
[0053] 需要说明的是, 电子烟中还可加入第二取样电阻的设计, 如图 3所示, 第二取 样电阻 R01的一端与控制芯片 22电连接, 第二取样电阻 R01的另一端接地。 通过 设置第二取样电阻 R01, 控制芯片 22根据第二取样电阻 R01的电阻值, 电子烟开 始工作时控制电热丝到达预设温度前电流或电压的大小, 以控制电子烟工作时 从常温到预设温度的时间长短, 其中, 预设温度即为电热丝的工作目标温度。 例如, 电热丝的工作目标温度为 280°C, 在没有第二取样电阻的现有电子烟电路 中, 电热丝可快速从常温加热到 280°C, 而本发明通过设置第二取样电阻, 可控 制电热丝从常温加热到 280°C的时长, 如使加热时长比现有电子烟略晚 2秒。 通过 对加热时长的控制, 可使电热丝温度变化不至于太快, 用户使用时的口感更好 , 提高用户体验。
[0054] 进一步地, 在具体实施过程中, 如图 3所示, 所述步骤 S12还包括:
[0055] 确定第三取样电阻 R02的电阻值, 并将确定的所述第三取样电阻 R02的一端只
更正页 (细则第 91条) ISA/CN 与所述控制芯片 22电连接, 所述第三取样电阻 R02的另一端接地, 以使在对所述 电子烟充电时所述控制芯片 22根据所述第三取样电阻 R02的电阻值控制充电电流 的大小。 因此, 在设计过程中, 根据对充电电流大小的需求设置选择不同的第 三取样电阻 R02即可。 例如, 需要选择 1A的充电电流或者 2A的充电电流时, 选 择不同阻值的第三取样电阻 R02即可, 因而设计效率高、 速度快及成本低。 可以 理解的是, 也可以将所述第三取样电阻 R02设置成上拉电阻, 即所述第三取样电 阻 R02的一端与所述控制芯片 22电连接, 所述第三取样电阻 R02的另一端电连接 至电子烟的电源正极 B+。
[0056] 进一步地, 在具体实施过程中, 如图 3所示, 所述步骤 S12还包括:
[0057] 确定校正电路 23, 并将确定的所述校正电路 23与所述控制芯片 22电连接, 以使 电子烟工作时所述校正电路 23根据电热丝的实际工作温度与工作目标温度差算 出控制量, 所述控制芯片 22根据所述控制量控制电热丝 21工作, 以使电热丝 21 的温度较稳定地处于预设范围内。 因而, 通过设置所述校正电路 23位于所述控 制芯片 22外, 从而可根据需要设计不同的校正电路 23。
[0058] 进一步地, 在具体实施过程中, 如图 4所示, 所述控制芯片 22包括控制模块 41 、 稳压电路模块 42及第一分压电阻 R04;
[0059] 所述第一分压电阻 R04与所述第一取样电阻 R0连接, 所述第一分压电阻 R04的 背离所述第一取样电阻 R0的一端与所述稳压电路模块 42的输出脚相连, 所述稳 压电路模块 42的输入脚与所述电子烟的电源正极 B+电连接, 所述第一取样电阻 R 0的背离所述第一分压电阻 R04的一端接地, 所述第一取样电阻 R0的另一端与所 述第一分压电阻 R04及所述控制模块 22电连接。 另外, 所述电热丝 21的一端和所 述控制模块 22电连接, 所述电热丝 21的另一端和所述电源正极 B+电连接。
[0060] 需要说明的是, 控制芯片中集成有控制模块、 稳压电路模块和第一分压电阻。
其中, 控制模块对流经电热丝的电流进行控制, 第一分压电阻对电子烟的电源 进行分压, 稳压电路模块将大于 3V的电源进行调节, 以输出稳定的 3V电压为控 制模块进行供电。
[0061] 总而言之, 通过实施本申请上述技术方案, 能够将电子烟的主要电路集成在一 颗控制芯片上, 拓展控制芯片的使用范围, 且极大简化电子烟的设计流程, 便 更正页 (细则第 91条) ISA/CN 于制造, 生产效率高及生产成本低。
[0062] 实施例二
[0063] 基于同一发明构思, 请参考图 2及图 5, 本发明还提供了一种电子烟的控制方法 , 所述电子烟包括电热丝、 第一取样电阻及控制芯片, 所述电热丝用于雾化烟 油形成烟雾, 所述电热丝的阻值随温度变化而变化, 所述第一取样电阻与控制 芯片电连接;
[0064] 所述控制方法包括:
[0065] S21、 所述控制芯片根据所述第一取样电阻的电阻值, 控制所述电子烟开始工 作时所述电热丝的电流;
[0066] S22、 所述控制芯片检测所述电热丝在实际工作中的实际电阻值, 并根据所述 实际电阻值控制流经所述电热丝的电流, 以使所述电子烟的工作温度控制在预 设范围内。
[0067] 需要说明的是, 采用实施例一中集成的控制芯片、 选取的电热丝和第一取样电 阻设计出电子烟, 使该电子烟中的控制芯片集成电子烟的主要电路, 以拓展控 制芯片的适用范围, 电热丝和第一取样电阻选取不同阻值以满足不同设计需求 , 从而使设计出的电子烟能够对电热丝的工作温度进行控制。 电子烟开始工作 时, 根据第一取样电阻的电阻值, 控制芯片控制流经电热丝的电流。 由于电热 丝的电阻值随工作温度的变化而变化, 在电热丝工作后, 控制芯片通过检测电 热丝在实际工作中的实际电阻值, 获取电热丝的实际工作温度, 进而通过控制 流经电热丝的电流, 实现将烟雾温度, 即电热丝的工作温度控制在预设范围内 。 可以理解的是, 所述电热丝在实际工作中的实际电阻值可以通过在所述电热 丝两端的电势差大小进行表征。
[0068] 进一步地, 在具体实施过程中, 所述电子烟还包括与所述控制芯片电连接的第 二取样电阻, 所述控制方法还包括:
[0069] 所述控制芯片根据所述第二取样电阻的电阻值控制所述电热丝从开始加热到工 作目标温度所需的时长。
[0070] 需要说明的是, 控制芯片根据第二取样电阻的电阻值, 通过控制电热丝开始工 作时的电流, 以控制电子烟工作时从常温到预设温度的时间长短, 其中, 预设
更正页 (细则第 91条) ISA/CN 温度即为电热丝的工作目标温度。 例如, 电热丝的工作目标温度为 280°C, 在现 有电子烟电路中, 电热丝可快速从常温加热到 280°C, 而本发明中的控制芯片可 通过第二取样电阻控制电热丝从常温加热到 280°C的时长, 如使加热时长比现有 电子烟略晚 2秒。 通过对加热时长的控制, 可使电热丝温度变化不至于太快, 用 户使用时的口感更好, 提高用户体验。
[0071] 进一步地, 在具体实施过程中, 如图 4所示, 所述电子烟还包括与所述控制芯 片 22电连接的第三取样电阻 R02, 所述控制方法还包括:
[0072] 在对所述电子烟充电时所述控制芯片 22根据所述第三取样电阻 R02的电阻值控 制充电电流的大小。 其中, 在本实施例中, 所述第三取样电阻 R02的电阻值通过 所述第三取样电阻 R02端部电压大小进行表征。 充电时, 所述控制芯片 22的充电 引脚 CHG与外部电源电连接, 便可对所述电子烟的电源 BAT进行充电。
[0073] 进一步地, 在具体实施过程中, 如图 4所示, 所述电子烟还包括与所述控制芯 片 22电连接的校正电路 23, 所述控制方法还包括:
[0074] 电子烟工作时所述校正电路 23根据电热丝 21的实际工作温度与工作目标温度差 算出控制量, 控制芯片根据所述控制量控制电热丝 21工作, 以使电热丝 21的温 度处于预设范围内。 通过设置所述校正电路 23, 以增加电子烟整体电路系统的 稳定性。
[0075] 在本实施例中, 所述校正电路 23包括第一电容 C01、 第二电容 C02及环路补偿 电阻 R03, 所述第一电容 C01与所述环路补偿电阻 R03串联, 所述第一电容 C01的 背离所述环路补偿电阻 R03的一端与所述控制芯片 22相连, 所述环路补偿电阻 R0 3远离所述第一电容 C01的一端接地; 所述第二电容 C02的一端接地, 所述第二电 容 C02的另一端与所述第一电容 C01远离所述环路补偿电阻 R03的一端电连接。 其中, 所述控制芯片 22内设置有控制模块 41、 稳压电路模块 42、 检测电路 43及 误差比较电路 44, 所述检测电路 43用于对所述电热丝 21端部的电压进行检测, 并将检测结果输出至所述误差比较电路 44; 所述误差比较电路 44用于将检测电 路输送过来的电压 Us与预设目标电压值 U0进行比较, 以求出实际工作温度与工 作目标温度差; 所述控制模块 41根据所述校正电路 23输出的所述控制量控制电 热丝 21工作。
更正页 (细则第 91条) ISA/CN [0076] 进一步地, 在具体实施过程中, 如图 4所示, 所述电子烟还包括均与所述控制 芯片 22相连的吸烟控制开关 K1、 第一发光二极管显示单元 24及第二发光二极管 显示单元 25, 所述控制方法还包括:
[0077] 在 3秒内连续触发吸烟控制开关 K15次, 所述第一发光二极管显示单元 24显示电 子烟电池余量, 所述第二发光二极管显示单元 25闪 3次, 然后锁机;
[0078] 在锁机模式下, 在 3秒内连续触发吸烟控制开关 K15次, 所述第二发光二极管显 示单元 25闪 5次, 进入待机模式。
[0079] 在待机模式下, 当电子烟电源电压低于第一预设值, 所述吸烟控制开关 K1受到 触发时, 所述控制芯片 22控制所述第二发光二极管显示单元 25闪 10次并控制所 述电热丝 21处于非工作状态。 在本实施例中, 所述第一预设值是 3.47V, 所述第 一发光二极管显示单元 24包括 LED1至 LED4, 所述第二发光二极管显示单元 25包 括 LED5。 可以理解的是, 所述 LED的数量根据需要进行设定, 在此不做具体限 定。
[0080] 总而言之, 通过实施本申请上述技术方案, 能够采用设计出的电子烟实现对电 热丝工作温度的控制, 提高产品的良率, 产品一致性好, 提高了用户体验。
[0081] 实施例三
[0082] 基于同一发明构思, 请参考图 2, 本发明还提供了一种电子烟, 包括电热丝 21 、 第一取样电阻 R0及控制芯片 22;
[0083] 所述电热丝 21与所述控制芯片电连接并用于雾化烟油形成烟雾, 所述控制芯片 22用于根据所述第一取样电阻 R0的电阻值控制电子烟开始工作时所述电热丝 21 的电流。 具体地, 在本实施例中, 所述第一取样电阻 R0的一端接地, 所述第一 取样电阻 R0的另一端只与所述控制芯片 22的输入脚电连接。 可以理解的是, 所 述第一取样电阻 R0还可以设置为上拉电阻, 即所述第一取样电阻 R0的一端电连 接至电源正极 B+, 所述第一取样电阻 R0的另一端只与所述控制芯片 22的输入脚 电连接。
[0084] 需要说明的是, 本发明实施例中的电子烟是通过上述实施例一的设计方法而设 计出来的。 其中, 控制芯片集成有现有电子烟中的主要电路, 可以拓展控制芯 片的使用范围, 电热丝和第一取样电阻通过选取不同的电阻值以满足不同的设 更正页 (细则第 91条) ISA/CN 计需求, 从而使设计出的电热丝便于制造, 生产效率高, 生产成本低。 而且, 本实施例中的电热丝能够对电热丝的工作温度进行控制。 电子烟开始工作时, 根据第一取样电阻的电阻值, 控制芯片控制流经电热丝的电流。 由于电热丝的 电阻值随工作温度的变化而变化, 在电热丝工作后, 控制芯片通过检测电热丝 在实际工作中的实际电阻值, 获取电热丝的实际工作温度, 进而通过控制流经 电热丝的电流, 实现将电热丝的工作温度控制在预设范围内。 因此, 采用本实 施例的电子烟进行控制提高了产品的良率, 产品一致性好, 提高了用户体验。
[0085] 进一步地, 在具体实施过程中, 如图 4所示, 所述控制芯片 22包括控制模块 41 、 稳压电路模块 42及第一分压电阻 R04;
[0086] 所述第一分压电阻 R04与所述第一取样电阻 R0连接, 所述第一分压电阻 R04的 背离所述第一取样电阻 R0的一端与所述稳压电路模块 42的输出脚相连, 所述稳 压电路模块 42的输入脚与所述电子烟的电源 B+电连接, 所述第一取样电阻 R0的 背离所述第一分压电阻 R04的一端接地, 所述第一取样电阻 R0的另一端与所述第 一分压电阻 R04及所述控制模块 41电连接。 另外, 所述电热丝 21的一端和所述控 制模块 41电连接, 所述电热丝 21的另一端和所述电源正极 B+电连接。
[0087] 需要说明的是, 控制芯片中集成有控制模块、 稳压电路模块和第一分压电阻。
其中, 控制模块对流经电热丝的电流进行控制, 第一分压电阻对电子烟的电源 进行分压, 稳压电路模块将大于 3V的电源进行调节, 以输出稳定的 3V电压为控 制模块进行供电。
[0088] 进一步地, 在具体实施过程中, 如图 6所示, 所述控制模块 41包括控制单元 61 、 第一电阻 R43、 第二电阻 R41、 第三电阻 R42、 第四电阻 R38、 第五电阻 R39、 电容 C22、 第一场效应管 Q8和第二场效应管 Q9;
[0089] 所述第一场效应管 Q8的漏极分别与所述电热丝 21的一端、 所述第四电阻 R38的 一端电连接, 所述第四电阻 R38的另一端和所述控制单元 61电连接, 所述电容 C2 2的一端和所述控制单元 61电连接, 所述电容 C22的另一端接地, 所述第五电阻 R 39与所述电容 C22并联; 所述第一场效应管 Q8的源极接地, 所述第一场效应管 Q 8的栅极分别与所述控制单元 61、 所述第三电阻 R42的一端电连接, 所述第三电 阻 R42的另一端接地; 更正页 (细则第 91条) ISA/CN [0090] 所述第二场效应管 Q9的漏极与所述第二电阻 R41的一端电连接, 所述第二电阻 R41的另一端和所述电热丝 21的一端电连接, 所述第二场效应管 Q9的源极接地, 所述第二场效应管 Q9的栅极分别与所述控制单元 61、 所述第一电阻 R43的一端电 连接, 所述第一电阻 R43的另一端接地。
[0091] 另外, 第一取样电阻 R0的一端和控制单元 61电连接, 所述第一取样电阻 R0的 另一端接地; 第一分压电阻 R04的一端和所述第一取样电阻 R0串联, 所述第一分 压电阻 R04的另一端和电子烟的稳压电路模块 42电连接。
[0092] 其中, 第四电阻 R38、 第五电阻 R39、 电容 C22在控制模块 41中构成分压电路单 元 62。 该分压电路单元 62主要用于在连接端 0-处的电压大于 3V时, 控制单元 61 也能读出该处的电压值。
[0093] 需要说明的是, 在电热丝工作后, 根据第一取样电阻 R0的电阻值, 控制单元 61 输出标准占空比, 导通第一场效应管 Q8, 使电热丝 21进行加热; 在检测所述电 热丝 21的实际工作温度时, 关断所述第一场效应管 Q8, 导通第二场效应管 Q9, 以检测所述电热丝 21的实际工作电压和实际工作电流。 其中, 电热丝的实际工 作电压通过检测电热丝 21—端的电压值, 并基于电子烟的电源正极 B+的电压计 算得出, 电热丝的实际工作电流通过检测第二电阻 R41—端的电压值, 并基于第 二电阻 R41的电阻值计算得出。 在获取电热丝 21的实际工作电压和实际工作电流 后, 计算出所述电热丝 21在实际工作中的电阻值, 并根据预先建立的电热丝温 度与电阻值的对应关系表, 获取所述电热丝 21的实际工作温度, 进而将所述实 际工作温度与预设的目标工作温度进行对比, 通过调整输出至所述电热丝 21的 占空比, 使所述电热丝 21的实际工作温度控制在预设范围内。 可以理解的是, 在本实施例中, 所述第一取样电阻 R0的电阻值大小通过第一取样电阻 R0端部的 电压大小进行表征, 所述控制单元 61对第一取样电阻 R0端部的电压进行模数转 换以获取第一取样电阻 R0端部的电压值。
[0094] 进一步地, 在具体实施过程中, 如图 7所示, 所述电子烟还包括第二取样电阻 R 01, 所述第二取样电阻 R01的一端接地, 所述第二取样电阻 R01的另一端与只控 制单元 61的输入脚电连接, 所述控制单元 61根据所述第二取样电阻 R01的电阻值 控制所述电热丝 21从开始加热到工作目标温度所需的时长。 在本实施例中, 所 更正页 (细则第 91条) ISA/CN 述第二取样电阻 R01的电阻值大小通过第二取样电阻 R01端部的电压大小进行表 征, 所述控制单元 61对第二取样电阻 R01端部的电压进行模数转换以获取第二取 样电阻 R01端部的电压值。
[0095] 需要说明的是, 通过设置第二取样电阻 R01, 控制单元 61根据第二取样电阻 R0 1的电阻值, 控制电子烟工作时从常温到预设温度的时间长短, 其中, 预设温度 即为电热丝的工作目标温度。 例如, 电热丝的工作目标温度为 280°C, 在没有第 二取样电阻的现有电子烟电路中, 电热丝可快速从常温加热到 280°C, 而本发明 通过设置第二取样电阻, 可控制电热丝从常温加热到 280°C的时长, 如使加热时 长比现有电子烟略晚 2秒。 通过对加热时长的控制, 可使电热丝温度变化不至于 太快, 用户使用时的口感更好, 提高用户体验。
[0096] 进一步地, 在具体实施过程中, 如图 4所示, 所述电子烟还包括与所述控制芯 片 22相连的第三取样电阻 R02, 在对所述电子烟充电时所述控制芯片 22根据所述 第三取样电阻 R02的电阻值控制充电电流的大小。 其中, 在本实施例中, 所述第 三取样电阻 R02的电阻值通过所述第三取样电阻 R02端部电压大小进行表征。 其 中, 所述控制芯片 22内设置有充电模块 40及控制模块 41, 所述充电模块 40与所 述控制模块 41及充电引脚 CHG电连接。 充电时, 所述控制芯片的充电引脚 CHG 与外部电源电连接, 便可对所述电子烟电源 BAT进行充电。
[0097] 进一步地, 在具体实施过程中, 继续如图 4所示, 所述电子烟还包括与所述控 制芯片 22相连的校正电路 23, 电子烟工作时所述校正电路 23根据电热丝 21的实 际工作温度与工作目标温度差算出控制量, 所述控制芯片 22根据所述控制量控 制电热丝 21工作。 通过设置所述校正电路 23, 以增加电子烟整体电路系统的稳 定性和可靠性。
[0098] 在本实施例中, 所述校正电路 23包括第一电容 C01、 第二电容 C02及环路补偿 电阻 R03, 所述第一电容 C01与所述环路补偿电阻 R03串联连接, 所述第一电容 C 01的背离所述环路补偿电阻 R03的一端与所述控制芯片 22相连, 所述环路补偿电 阻 R03远离所述第一电容 C01的一端接地; 所述第二电容 C02的一端接地, 所述 第二电容 C02的另一端与所述第一电容 C01远离所述环路补偿电阻 R03的一端电 连接。 其中, 所述控制芯片 22内设置有控制模块 41、 稳压电路模块 42、 检测电 更正页 (细则第 91条) ISA/CN 路 43及误差比较电路 44, 所述检测电路 43用于对所述电热丝 21端部的电压进行 检测, 并将检测结果输出至所述误差比较电路 44; 所述误差比较电路 44用于将 检测电路输送过来的电压 Us与预设目标电压值 U0进行比较, 以求出实际工作温 度与工作目标温度差; 所述控制模块 41根据所述校正电路 23输出的所述控制量 控制电热丝 21工作。
[0099] 进一步地, 在一个优选的实施方式中, 如图 8A和 8B所示, 控制芯片 22还包括 充电管理电路模块 81、 升压电路模块 82、 稳压电路模块 83、 复位电路模块 84、 电池电压检测电路模块 85和电池保护电路模块 86。 其中, 控制单元 U10与意法半 导体集团生产的型号为 STM32F030K6的微处理器的电路结构相同, 因此, 控制 单元 U10内部结构在此不再赘述。 电子烟还包括充电 USB接口 Pl、 按键模块和显 示模块。
[0100] 其中, 充电 USB接口 P1用于外界对电子烟进行充电, 其包括五个接口, 接口 2 、 接口 3和接口 4用于向电子烟写入程序, 接口 5接地, 接口 1通过电阻 R27与充电 管理电路模块 81电连接。 充电管理电路模块 81包括充电管理电路单元 U7和电阻 R 32, 其中, 所述充电管理电路单元 U7的电路与无锡芯朋微电子股份有限公司生 产的型号为 AP5056的充电管理芯片的电路结构相同, 因此, 所述充电管理电路 单元 U7的内部结构在此不再赘述。 电阻 R32的一端和充电管理电路单元 U7的 PR OG引脚连接, 电阻 R32的另一端接地, 充电管理电路单元 U7的 BAT引脚连接电 子烟的电源正极 B+。 在电子烟充电过程中, 充电管理电路单元 U7的 CHGING引 脚为低电平, DONE引脚为高电平; 在电子烟完成充电后, 充电管理电路单元 U 7的 CHGING弓 I脚为高电平, DONE弓 |脚为低电平。
[0101] 升压电路模块 82包括升压电路单元 U8、 电感 L2、 二极管 D4、 电阻 R28和电阻 R 31。 其中, 升压电路单元 U8的电路与西安航天民芯科技有限公司生产的型号为 MT3608的升压芯片的电路结构相同, 因此, 升压电路单元 U8的电路结构在此不 再赘述。 升压电路模块 82通过场效应管 Q6和三极管 Q7连接电子烟的电源 B+。 场 效应管 Q6的源极连接电子烟的电源 B+, 场效应管 Q6的栅极和三极管 Q7的集电极 连接, 三极管 Q7的基极通过电阻 R33接入电源 5V_EN, 三极管 Q7的发射极接地 , 场效应管 Q6的漏极分别和电感 L2的一端、 升压电路单元 U8的 VIN引脚、 EN引 更正页 (细则第 91条) ISA/CN 脚连接; 电感 L2的另一端分别和升压电路单元 U8的 SW引脚、 电感 D4的正极连 接, 电感 D4的负极和电阻 R28的一端连接, 电阻 R28的另一端分别和升压电路单 元 U8的 FB引脚、 电阻 R31的一端连接, 电阻 R31的另一端接地。 另外, 所述升压 电路模块 82的输出脚与 USB接口 P2连接, 所述升压电路模块 82用于将小于 5V的 电压升压到 5V。 在对电池进行充电时, 三极管 Q7的基极为低电平信号, 场效应 管 Q6和三极管 Q7关闭, 在对外界充电时, 三极管 Q7的基极为高电平信号, 场效 应管 Q6和三极管 Q7导通, 通过 USB接口 P2对外界进行充电。
[0102] 稳压电路模块 83包括稳压电路单元 U9和二极管 D5。 二极管 D5的正极连接电源 B+, 二极管 D5的负极连接稳压电路单元 U9的 Vin引脚, 稳压电路单元 U9的 Vout 引脚连接电源 VDD。 所述稳压电路模块 83用于将大于 3V的电源电压进行调节, 以输出稳定的 3V的 VDD电压。 其中, 稳压电路单元 U9的电路结构与德州仪器公 司生产的型号为 TLV70430的稳压芯片电路结构相同。 因此, 稳压电路单元 U9的 电路结构在此不再赘述。
[0103] 复位电路模块 84包括复位电路单元 U11和电阻 R40。 复位电路单元 U11的 vin引 脚分别和电压 VDD、 电阻 R40的一端连接, 电阻 R40的另一端分别和复位电路单 元 U11的 vout引脚、 控制单元 U10的 NRST引脚连接, 复位电路单元 U11的 vss引脚 接地。 所述复位电路模块 84用于在 VDD处的电压小于 2.2V时, 输出低电平, 使 控制单元 U10复位, 以避免控制单元 U10失控。 其中, 所述复位电路单元 U11与 上海贝岭股份有限公司生产的型号为 NC/BL8506-22的复位电路芯片电路结构相 同, 因此, 其内部电路结构在此不再赘述。
[0104] 电池电压检测电路模块 85包括电阻 R44、 电阻 R45和电容 C25。 电阻 R44的一端 连接电源正极 B+, 电阻 R44的另一端连接电阻 R45的一端, 电阻 R45的另一端接 地, 电容 C25与电阻 R45并联。 所述电池电压检测电路模块 85用于在电源电压小 于 3.3V时, 控制电源不能向电热丝供电。
[0105] 电池保护电路模块 86包括电池保护电路单元 U12、 电阻 R52、 电阻 R53、 电容 C3 3和场效应管 Q12。 电阻 R52的一端连接电源正极 B+, 电阻 R52的另一端分别和电 容 C33的一端、 电池保护电路单元 U12的 VDD引脚连接, 电容 C33的另一端连接 电源负极 B-; 电阻 R53的一端连接电池保护电路单元 U12的 VM引脚, 电阻 R53的 更正页 (细则第 91条) ISA/CN 另一端接地; 场效应管 Q12的漏极接地, 场效应管 Q12的源极连接电源负极 B -, 场效应管 Q12的栅极连接芯片 U12的 DO引脚。 所述电池保护电路模块 86用于对电 池电源进行保护。 其中, 电池保护电路单元 U12的电路结构与美上美 (MITSUM I) 公司生产的型号为 MM3280的电池保护芯片的电路结构相同, 因此, 其电路 结构在此不再赘述。
[0106] 如图 9所示, 按键模块包括开关 Sl、 开关 S2、 开关 S3、 开关 S4、 电阻 R47、 电 阻 R48、 电阻 R49和电阻 R50。 开关 SI的一端分别连接电阻 R47的一端、 控制单元 U10的 KEY引脚, 电阻 R47的另一端连接电压 VDD, 开关 SI的另一端接地; 开关 S2的一端分别连接电阻 R48的一端、 控制单元 U10的 KEY+引脚, 电阻 R48的另一 端连接电压 VDD, 开关 S2的另一端接地; 开关 S3的一端分别连接电阻 R49的一端 、 控制单元 U10的 KEY-引脚, 电阻 R48的另一端连接电压 VDD, 开关 S3的另一 端接地; 开关 S4的一端分别连接电阻 R50的一端、 控制单元 U10的 KEY_0引脚, 电阻 R50的另一端连接电压 VDD, 开关 S4的另一端接地。 其中, 开关 S1为吸烟控 制开关, 开关 S2为功率减少控制开关, 开关 S3为功率增加控制开关, 开关 S4为 对外充电控制开关。
[0107] 如图 10所示, 显示模块包括芯片 0LED1 , 三极管 Q13、 场效应管 Q10和三极管 Ql l。 场效应管 Q10的漏极连接电源 B+, 场效应管 Q10的源极连接芯片 0LED1的 VBAT引脚, 芯片 OLED1的栅极通过电阻 R54连接三极管 Q13的集电极, 三极管 Q13的发射极接地, 三极管 Q13的基极通过电阻 R57连接芯片 OLED1的 VDD引脚 ; 三极管 Q11的基极通过电阻 R55连接 OLEDPW, 三极管 Q11的发射极连接 VDD , 三极管 Q11的集电极连接芯片 OLED1的 VDD引脚。 芯片 OLED1的 SCL引脚和 S DA引脚用于写入数据。 所述显示模块在被唤醒时, 三极管 Q11的基极输入低电 平信号, 三极管 Q13、 场效应管 Q10和三极管 Q11导通, 以实现省电。 显示模块 用于显示驱动功率和电热丝的实际温度。
[0108] 在另一个实施方式中, 如图 11所示, 控制芯片 22包括充电管理电路单元 Ul、 电 池保护电路单元 U2、 控制单元 U3、 场效应管 Q1和场效应管 Q2。 电子烟还包括 U SB接口 Pl、 开关 K1和电池电量显示模块, 电子烟的电热丝 (图中未示出) 连接 于连接端 o+和连接端 0-之间。 所述电池电量显示模块包括抽烟灯 LED5、 电量显 更正页 (细则第 91条) ISA/CN 示灯 LED1、 电量显示灯 LED2、 电量显示灯 LED3和电量显示灯 LED4。 其中, 充 电管理电路单元 U1的 VCC弓 I脚和 CE弓 I脚分别与 USB接口 P1的 VCC弓 I脚连接, 充 电管理电路单元 U1的 BAT引脚连接电源正极 B+, 充电管理电路单元 U1的 PROG 引脚与第三取样电阻 R02电连接, 通过设置第三取样电阻 R02大小, 可设置所需 的充电电流; 电池保护电路单元 U2的 VM引脚接地, VDD引脚通过电阻 R2连接 电源正极 B+, GND引脚连接电源负极 B-; 控制单元 U3的 PB0/AN0引脚通过电阻 R6连接场效应管 Q1的漏极, 场效应管 Q1的源极连接电源 B+, 并通过电阻 R4连 接场效应管 Q2的栅极, 场效应管 Q1的栅极连接控制单元 U3的 OS引脚; 场效应管 Q2的源极连接电源 B+, 场效应管 Q2的漏极通过电阻 R7连接控制单元 U3的 PA5/A N4引脚。 另外, 开关 K1的一端连接控制单元 U3的 PA2引脚, 开关 K1的另一端接 地。 第一取样电阻 R0的一端接地, 所述第一取样电阻 R0的另一端与控制单元 U3 的 PA6/AN5引脚相连。 在本实施方式中, 控制单元 U3通过 OS引脚控制场效应管 Q1的开启和关闭, 从而控制电热丝工作, 更具体地, 在本实施例中, 当开关 K1 被触发时, 所述控制单元 U3控制所述场效应管 Q1的启闭, 并根据所述第一取样 电阻 R0阻值的大小控制流经所述电热丝的电流。 为了检测电热丝工作时的温度 , 当控制单元 U3的 PB1/AN1引脚输出低电平时, 场效应管 Q2导通, 此时 OS引脚 输出高电平, 场效应管 Q1关闭, 从而检测 B+和 0+处的电压, 通过检测的电压计 算电热丝在此时刻的电阻值, 进而计算出电热丝的工作温度, 从而可对电热丝 的温度进行控制。 所述控制芯片为所述电子烟唯一的一颗芯片, 即所述电子烟 仅有一颗芯片。 其中, 在本实施例中, 所述充电管理电路单元 U1的电路结构与 无锡芯朋微电子股份有限公司生产的型号为 AP5056的充电管理芯片的电路结构 相同; 所述电池保护电路单元 U2的电路结构与赛芯微电子有限公司生产的型号 为 XB5353A的电池保护芯片的电路结构相同; 所述控制单元 U3的电路结构与合 泰半导体 (中国) 有限公司生产的型号为 HT66F004的控制芯片的电路结构相同 在又另一个实施方式中, 如图 12所示, 该实施例与图 11所示的电子烟的电路 构相似, 均包括控制芯片 22, 其不同之处在于: 本实施例的电子烟还包括与电 热丝 (图中未示出) 和所述控制芯片 22相连的晶体管开关, 所述控制芯片通过 更正页 (细则第 91条) ISA/CN 控制所述晶体管开关的通断以控制所述电热丝的电流, 具体地, 在本实施例中
, 所述晶体管开关为场效应管 Ql, 所述电热丝连接于连接端 o+和连接端 0-之间 ; 而本实施例的控制芯片内无需设置场效应管 Ql, 即场效应管 Q1置于所述控制 芯片 22外, 并未与控制芯片 22集成在一颗芯片上。 因此, 可较好的将所述场效 应管 Q1工作时产生的热量散发出去, 避免温度过高。
[0110] 总而言之, 通过实施本申请上述技术方案, 能够采用设计出的电子烟实现对电 热丝工作温度的控制, 提高产品的良率, 产品一致性好, 提高了用户体验。
[0111] 综上所述, 由于本发明电子烟的主要电路集成在一颗控制芯片上, 芯片设计工 程师在设计所述控制芯片时, 无需考虑电热丝的材质, 因而相对现有技术, 其 可拓展所述控制芯片的使用范围; 此外, 应用工程师在完成整支电子烟电路的 设计时, 仅需根据不同的材质和不同的目标温度, 选取不同阻值的电热丝和第 一取样电阻, 便完成不同的设计需求, 无需进行繁琐的连接、 测试和调整, 因 而极大地简化了电子烟电路的设计, 便于制造, 生产效率高及生产成本低; 此 夕卜, 本发明电子烟控制方法提高了产品的良率, 产品一致性好, 提高了用户体 验。
[0112] 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。
[0113] 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。
[0114] 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。
更正页 (细则第 91条) ISA/CN

Claims

权利要求书
一种电子烟的设计方法, 其特征在于, 所述电子烟包括电热丝、 第一取样电阻及控制芯片, 所述电热丝用于雾化烟油形成烟雾, 所述控制芯片用于在电子烟开始工作时根据所述第一取样电阻的 电阻值控制所述电热丝的电流, 所述设计方法包括如下步骤:
511、 确定所述电热丝的电阻值;
512、 根据所述电热丝的电阻值, 确定所述第一取样电阻的电阻值
513、 将确定的所述电热丝和所述第一取样电阻分别与所述控制芯 片电连接, 设计出所述电子烟。
如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述电热丝 的电阻值为目标电阻值, 其中, 所述目标电阻值为电热丝在工作 目标温度时的电阻值。
如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述步骤 S1 2具体为:
根据所述电热丝的电阻值, 采用函数 =^ 进行计算, 确定所述第 一取样电阻的电阻值, 其中, X为电热丝的电阻值, y为所述第一 取样电阻的电阻值。
如权利要求 3所述的电子烟的设计方法, 其特征在于, 所述步骤 S1 2更具体为:
根据所述电热丝的电阻值, 采用一次函数 y=kx+b、 指数函数 y=a 、 幂函数 y=x^i或者对数函数 y= log ax进行计算, 确定所述第一取 样电阻的电阻值, 其中, a、 b和 k为常量。
如权利要求 3所述的电子烟的设计方法, 其特征在于, 所述步骤 S1 2更具体为: 根据所述电热丝的电阻值, 采用离散函数 y=f(x)进行 计算, 确定所述第一取样电阻的电阻值。
如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述步骤 S1 2具体为: 根据所述电热丝的电阻值, 采用査表方式, 确定所述第 更正页 (细则第 91条) ISA/CN 一取样电阻的电阻值, 其中, 在表中的所述电热丝的电阻值为离 散型数值并与所述第一取样电阻的电阻值一一对应。
[权利要求 7] 如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述步骤 S1
3中, 所述第一取样电阻为上拉电阻, 所述第一取样电阻的一端电 连接至所述电子烟的电源正极, 所述第一取样电阻的另一端只和 所述控制芯片电连接。
[权利要求 8] 如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述步骤 S1
3中, 所述第一取样电阻的一端接地, 所述第一取样电阻的另一端 只和所述控制芯片电连接。
[权利要求 9] 如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述步骤 S1
1具体为:
选取电阻值随温度变化而变化的材质做为电热丝, 根据所述电热 丝的温度与电阻值的关联关系、 所述电热丝的工作目标温度和所 述电子烟的供电电压, 确定所述电热丝的电阻值。
[权利要求 10] 如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述步骤 S1
2还包括:
确定第二取样电阻的电阻值, 并将确定的所述第二取样电阻的一 端只与所述控制芯片电连接, 所述第二取样电阻的另一端接地, 以使所述控制芯片根据所述第二取样电阻的电阻值控制所述电热 丝从开始加热到工作目标温度所需的时长。
[权利要求 11] 如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述步骤 S1
2还包括:
确定第三取样电阻的电阻值, 并将确定的所述第三取样电阻的一 端只与所述控制芯片电连接, 所述第三取样电阻的另一端接地, 以使在对所述电子烟充电时所述控制芯片根据所述第三取样电阻 的电阻值控制充电电流的大小。
[权利要求 12] 如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述步骤 S1
2还包括: 更正页 (细则第 91条) ISA/CN 确定校正电路, 并将确定的所述校正电路与所述控制芯片电连接 , 以使电子烟工作时所述校正电路根据电热丝的实际工作温度与 工作目标温度差算出控制量, 所述控制芯片根据所述控制量控制 电热丝工作。
如权利要求 1所述的电子烟的设计方法, 其特征在于, 所述控制芯 片包括控制模块、 稳压电路模块及第一分压电阻;
所述第一分压电阻与所述第一取样电阻连接, 所述第一分压电阻 的背离所述第一取样电阻的一端与所述稳压电路模块的输出脚相 连, 所述稳压电路模块的输入脚与所述电子烟的电源电连接, 所 述第一取样电阻的背离所述第一分压电阻的一端接地, 所述第一 取样电阻的另一端与所述第一分压电阻及所述控制模块电连接。 一种电子烟的控制方法, 其特征在于, 所述电子烟包括电热丝、 第一取样电阻及控制芯片, 所述电热丝用于雾化烟油形成烟雾, 所述电热丝的阻值随温度变化而变化, 所述第一取样电阻与所述 控制芯片电连接;
所述控制方法包括:
521、 所述控制芯片根据所述第一取样电阻的电阻值, 控制所述电 子烟开始工作时所述电热丝的电流;
522、 所述控制芯片检测所述电热丝在实际工作中的实际电阻值, 并根据所述实际电阻值控制流经所述电热丝的电流, 以使所述电 热丝的工作温度控制在预设范围内。
如权利要求 14所述的电子烟的控制方法, 其特征在于, 所述电子 烟还包括与所述控制芯片电连接的第二取样电阻, 所述控制方法 还包括:
所述控制芯片根据所述第二取样电阻的电阻值控制所述电热丝从 开始加热到工作目标温度所需的时长。
如权利要求 14所述的电子烟的控制方法, 其特征在于, 所述电子 烟还包括与所述控制芯片电连接的第三取样电阻, 所述控制方法
更正页 (细则第 91条) ISA/CN 还包括:
在对所述电子烟充电时所述控制芯片根据所述第三取样电阻的电 阻值控制充电电流的大小。
如权利要求 14所述的电子烟的控制方法, 其特征在于, 所述电子 烟还包括与所述控制芯片电连接的校正电路, 所述控制方法还包 括:
电子烟工作时所述校正电路根据电热丝的实际工作温度与工作目 标温度差算出控制量, 控制芯片根据所述控制量控制电热丝工作 如权利要求 14所述的电子烟的控制方法, 其特征在于, 所述电子 烟还包括均与所述控制芯片电连接的吸烟控制开关、 第一发光二 极管显示单元及第二发光二极管显示单元, 所述控制方法还包括 在 3秒内连续触发吸烟控制开关 5次, 所述第一发光二极管显示单 元显示电子烟电池余量, 所述第二发光二极管显示单元闪 3次, 然 后锁机;
在锁机模式下, 在 3秒内连续触发吸烟控制开关 5次, 所述第二发 光二极管显示单元闪 5次, 进入待机模式。
如权利要求 18所述的电子烟的控制方法, 其特征在于, 在待机模 式下, 当电子烟电源电压低于第一预设值, 所述吸烟控制开关受 到触发时, 所述控制芯片控制所述第二发光二极管显示单元闪 10 次并控制所述电热丝处于非工作状态。
一种电子烟, 其特征在于, 包括电热丝、 第一取样电阻及控制芯 片;
所述电热丝用于雾化烟油形成烟雾, 所述第一取样电阻与所述控 制芯片电连接, 所述控制芯片用于根据所述第一取样电阻的电阻 值控制电子烟开始工作时所述电热丝的电流。
如权利要求 20所述的电子烟, 其特征在于, 所述第一取样电阻的 更正页 (细则第 91条) ISA/CN 一端接地, 所述第一取样电阻的另一端只与所述控制芯片的输入 脚电连接。
如权利要求 20所述的电子烟, 其特征在于, 所述第一取样电阻的 一端电连接至电子烟的电源正极, 所述第一取样电阻的另一端只 与所述控制芯片的输入脚电连接。
如权利要求 20所述的电子烟, 其特征在于, 所述控制芯片包括控 制模块、 稳压电路模块及第一分压电阻;
所述第一分压电阻与所述第一取样电阻连接, 所述第一分压电阻 的背离所述第一取样电阻的一端与所述稳压电路模块的输出脚相 连, 所述稳压电路模块的输入脚与所述电子烟的电源电连接, 所 述第一取样电阻的背离所述第一分压电阻的一端接地, 所述控制 模块与所述电热丝相连。
如权利要求 20所述的电子烟, 其特征在于, 所述电子烟还包括第 二取样电阻, 所述第二取样电阻的一端接地, 所述第二取样电阻 的另一端只与所述控制芯片的输入脚电连接, 所述控制芯片还用 于根据所述第二取样电阻的电阻值控制所述电热丝从开始加热到 工作目标温度所需的时长。
如权利要求 23所述的电子烟, 其特征在于, 所述控制模块包括控 制单元、 第一电阻、 第二电阻、 第三电阻、 第四电阻、 第五电阻 、 电容、 第一场效应管和第二场效应管;
所述第一场效应管的漏极分别与所述电热丝的一端、 所述第四电 阻的一端电连接, 所述第四电阻的另一端和所述控制单元电连接 , 所述电容的一端和所述控制单元电连接, 所述电容的另一端接 地, 所述第五电阻与所述电容并联; 所述第一场效应管的源极接 地, 所述第一场效应管的栅极分别与所述控制单元、 所述第三电 阻的一端电连接, 所述第三电阻的另一端接地;
所述第二场效应管的漏极与所述第二电阻的一端电连接, 所述第 二电阻的另一端和所述电热丝的一端电连接, 所述第二场效应管
更正页 (细则第 91条) ISA/CN 的源极接地, 所述第二场效应管的栅极分别与所述控制单元、 所 述第一电阻的一端电连接, 所述第一电阻的另一端接地。
如权利要求 20所述的电子烟, 其特征在于, 所述控制芯片为所述 电子烟唯一的一颗芯片。
如权利要求 20所述的电子烟, 其特征在于, 所述电子烟还包括与 所述电热丝和所述控制芯片电连接的晶体管开关, 所述控制芯片 通过控制所述晶体管开关的通断以控制所述电热丝的电流。 如权利要求 20所述的电子烟, 其特征在于, 所述电子烟还包括第 三取样电阻, 所述第三取样电阻的一端接地, 所述第三取样电阻 的另一端只与所述控制芯片电连接, 所述控制芯片还用于在外部 充电器对所述电子烟充电时, 根据所述第三取样电阻的电阻值控 制充电电流的大小。
如权利要求 20所述的电子烟, 其特征在于, 所述电子烟还包括与 所述控制芯片电连接的校正电路, 所述校正电路用于在电子烟工 作时根据电热丝的实际工作温度与工作目标温度差算出控制量, 控制芯片根据所述控制量控制电热丝工作。
如权利要求 29所述的电子烟, 其特征在于, 所述校正电路包括第 一电容、 第二电容及环路补偿电阻, 所述第一电容与所述环路补 偿电阻串联连接, 所述第一电容的背离所述环路补偿电阻的一端 与所述控制芯片相连, 所述环路补偿电阻远离所述第一电容的一 端接地; 所述第二电容的一端接地, 所述第二电容的另一端与所 述第一电容远离所述环路补偿电阻的一端电连接。
更正页 (细则第 91条) ISA/CN
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3871528A4 (en) * 2018-10-26 2022-06-29 Japan Tobacco Inc. Flavor generation system, power supply control method, program, and power supply unit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130104916A1 (en) * 2011-10-28 2013-05-02 Evolv, Llc Electronic vaporizer that simulates smoking with power control
CN203056645U (zh) * 2013-01-25 2013-07-10 深圳市合元科技有限公司 充电器智能控制电路
CN204560957U (zh) * 2015-01-21 2015-08-19 惠州市吉瑞科技有限公司 一种电子烟
CN104950953A (zh) * 2015-06-09 2015-09-30 昂纳自动化技术(深圳)有限公司 一种电子烟及其温度控制方法
CN105576730A (zh) * 2014-10-17 2016-05-11 惠州市吉瑞科技有限公司 一种电池组件及其充电控制方法以及电子烟

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130104916A1 (en) * 2011-10-28 2013-05-02 Evolv, Llc Electronic vaporizer that simulates smoking with power control
CN203056645U (zh) * 2013-01-25 2013-07-10 深圳市合元科技有限公司 充电器智能控制电路
CN105576730A (zh) * 2014-10-17 2016-05-11 惠州市吉瑞科技有限公司 一种电池组件及其充电控制方法以及电子烟
CN204560957U (zh) * 2015-01-21 2015-08-19 惠州市吉瑞科技有限公司 一种电子烟
CN104950953A (zh) * 2015-06-09 2015-09-30 昂纳自动化技术(深圳)有限公司 一种电子烟及其温度控制方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3871528A4 (en) * 2018-10-26 2022-06-29 Japan Tobacco Inc. Flavor generation system, power supply control method, program, and power supply unit

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