WO2018188469A1 - Circuit d'atomisation, dispositif d'atomisation et procédé de commande pour circuit d'atomisation - Google Patents

Circuit d'atomisation, dispositif d'atomisation et procédé de commande pour circuit d'atomisation Download PDF

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Publication number
WO2018188469A1
WO2018188469A1 PCT/CN2018/080077 CN2018080077W WO2018188469A1 WO 2018188469 A1 WO2018188469 A1 WO 2018188469A1 CN 2018080077 W CN2018080077 W CN 2018080077W WO 2018188469 A1 WO2018188469 A1 WO 2018188469A1
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WIPO (PCT)
Prior art keywords
circuit
atomization
load
atomizing
current value
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Application number
PCT/CN2018/080077
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English (en)
Chinese (zh)
Inventor
邱伟华
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常州市派腾电子技术服务有限公司
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Publication of WO2018188469A1 publication Critical patent/WO2018188469A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/60—Devices with integrated user interfaces
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/90—Arrangements or methods specially adapted for charging batteries thereof

Definitions

  • the invention relates to the field of electronic cigarette technology, in particular to an atomization circuit, an atomization device and an atomization circuit control method.
  • Electronic cigarettes are electronic products that mimic cigarettes and have the same appearance, smoke, taste and feel as cigarettes. It is a product that allows users to use nicotine and the like after being atomized by means of atomization.
  • the electronic cigarette has a large-capacity built-in lithium battery, and has a built-in rich and reliable detection and control circuit, and the electronic cigarette has the characteristics of small casing, light weight and convenient for users to carry.
  • the traditional electronic cigarette can only provide users with electronic cigarettes, and the function is relatively simple. Therefore, how to improve the use value of the electronic cigarette is an urgent problem to be solved.
  • An atomizing circuit the atomizing circuit is provided with a voltage output end, the voltage output end can be connected to the atomizer for atomization or detachably mounting the adapter to charge the external device;
  • the atomizing circuit comprises a control circuit and a current detecting circuit; the control circuit and the current detecting circuit are respectively configured to electrically connect the load of the atomizing circuit through the voltage output end, and the load of the atomizing circuit is the external device or The atomizer; the current detecting circuit is further electrically connected to the control circuit;
  • the current detecting circuit is configured to detect a current value of a load flowing into the atomizing circuit, and feed back the current value to the control circuit; the control circuit is configured to control the atomizing according to the current value The circuit operates in a mode of operation corresponding to the load of the atomizing circuit.
  • control circuit includes a controller and an output control unit; the controller is electrically connected to the output control unit and the current detecting circuit, respectively; and the output control unit is further configured to electrically connect The load of the atomizing circuit;
  • the output control unit is configured to adjust a voltage output by the battery component under control of the controller; the controller is configured to control the output control unit to output a detection voltage to a load of the atomization circuit, and The load of the atomization circuit is identified based on the current value at the detection voltage, and the atomization circuit is controlled to operate in an operation mode corresponding to a load of the atomization circuit.
  • the atomization circuit further includes a voltage detection circuit; the voltage detection circuit is configured to electrically connect the load of the atomization circuit, and the voltage detection circuit is further electrically connected to the control circuit;
  • the voltage detecting circuit is configured to detect a voltage value of a load input to the atomizing circuit, and feed back the voltage value to the control circuit; the control circuit is further configured to input the current value according to the voltage value The voltage of the load of the atomizing circuit is adjusted.
  • the atomizing circuit is provided with an interaction device; the interaction device is electrically connected to the control circuit;
  • the interaction device is configured to receive an operation signal for switching an operation mode of the atomization circuit, and the control circuit is further configured to control, according to the operation signal, the atomization circuit to switch to an operation mode corresponding to the operation signal .
  • the interaction device includes a button, a toggle switch, or a touch screen.
  • An atomization circuit control method comprising:
  • the step of outputting a detection voltage to a load of the atomization circuit to obtain a current value of a load passing through the atomization circuit at the detection voltage includes:
  • the step of switching the atomization circuit to an operation mode corresponding to a load of the atomization circuit according to the current value comprises:
  • the atomizing circuit is controlled to operate in an operating mode when the load of the atomizing circuit is an atomizer.
  • the step of controlling the atomization circuit to operate in a working mode corresponding to the load of the atomizing circuit according to the current value comprises:
  • controlling the atomization circuit to operate according to the first current value in an operation mode when the load of the atomization circuit is an atomizer.
  • the step of outputting a detection voltage to a load of the atomization circuit, and obtaining a current value of a load passing through the atomization circuit at the detection voltage further includes:
  • the step of controlling the atomization circuit to operate in a working mode corresponding to the load of the atomizing circuit according to the current value comprises:
  • the atomizing circuit is controlled to operate in an operating mode when the load of the atomizing circuit is an external device.
  • the step of controlling the atomization circuit to operate in a working mode corresponding to the load of the atomizing circuit according to the current value comprises:
  • controlling the atomization circuit to operate according to the second current value in an operation mode when the load of the atomization circuit is an external device.
  • the step of controlling the atomization circuit to operate in a working mode corresponding to the load of the atomizing circuit according to the current value comprises:
  • the atomizing circuit is in an open state.
  • the method before the step of outputting the detection voltage to the load of the atomization circuit to obtain the current value of the load passing through the atomization circuit under the detection voltage, the method further includes:
  • An atomizing device includes an atomizing circuit, and the atomizing circuit is provided with a voltage output end, wherein the voltage output end can be connected to the atomizer for atomization or detachably mounting the adapter to the outside
  • the device performs charging;
  • the atomizing circuit includes a control circuit and a current detecting circuit;
  • the control circuit and the current detecting circuit are respectively configured to electrically connect the load of the atomizing circuit through the voltage output end, and the fog
  • the load of the circuit is the external device or the atomizer; the current detecting circuit is also electrically connected to the control circuit;
  • the current detecting circuit is configured to detect a current value of a load flowing into the atomizing circuit, and feed back the current value to the control circuit; the control circuit is configured to control the atomizing circuit according to the current value Working in a working mode corresponding to the load of the atomizing circuit.
  • the atomization circuit, the atomization device and the atomization circuit control method have the beneficial effects that: in the atomization circuit, the atomization device and the atomization circuit control method, the voltage output end of the atomization circuit can be connected to the atomizer Atomize or detachably mount the adapter to charge the external device. Therefore, the voltage output end of the atomizing circuit can be installed with an atomizer to realize the cigarette light function, and the charging function can be realized for the external device by installing the adapter.
  • the current detecting circuit is configured to detect a current value of the load flowing into the atomizing circuit, and feed back the current value to the control circuit;
  • the control circuit is configured to identify the load of the atomizing circuit according to the current value, to enter the load corresponding to the atomizing circuit Working mode. Therefore, the atomization circuit, the atomization device and the atomization circuit control method can identify the load of the atomization circuit, thereby ensuring that the atomization circuit can operate normally regardless of the cigarette light function or the charging function, and is applied to the electronic cigarette. In the middle, the use value of the electronic cigarette can be improved.
  • FIG. 1 is an electrical connection diagram of an atomization circuit related structure provided by an embodiment
  • FIG. 2 is a specific electrical connection diagram of the atomizing circuit of the embodiment shown in FIG. 1;
  • FIG. 3 is a flow chart of a method for controlling an atomization circuit according to another embodiment
  • FIG. 5 is a specific flow chart of step S200 of the atomization circuit control method of the embodiment shown in FIG. 4.
  • An embodiment provides an atomization circuit.
  • the atomizing circuit can be applied to the electronic cigarette, and the atomizing circuit can be a tobacco rod.
  • the atomizer is detachably connected to the voltage output of the atomizing circuit.
  • the atomizer is used to atomize the liquid smoke.
  • the voltage output end of the atomization circuit refers to the interface of the tobacco rod in the conventional electronic cigarette for connecting the atomizer, for example, the 510 interface.
  • the voltage output end of the atomizing circuit can also detachably mount the adapter to charge the external device.
  • the adapter can be a USB (Universal Serial Bus) adapter, that is, the voltage output end of the atomization circuit (for example, the 510 interface) is converted into a USB interface, and then, when the voltage output terminal of the atomization circuit is installed, After the USB adapter, the atomizing circuit can charge the external device through the USB interface.
  • USB Universal Serial Bus
  • the atomizing circuit includes a battery assembly (not shown), a control circuit 100, and a current detecting circuit 200.
  • the battery packs are electrically connected to the control circuit 100 and the current detecting circuit 200, respectively.
  • the control circuit 100 and the current detecting circuit 200 are respectively configured to electrically connect the load 300 of the atomizing circuit through the voltage output terminal.
  • the current detecting circuit 200 is also electrically connected to the control circuit 100.
  • the battery assembly can be used as part of an atomizing circuit or separately from the atomizing circuit, but the battery assembly is always used to power the atomizing circuit.
  • the load 300 of the atomization circuit may be an atomizer or an external device, or the atomization circuit may also be in an open state (ie, no voltage is connected to the voltage output end of the atomization circuit).
  • the external device can be a mobile phone, a tablet computer, and a wearable electronic device.
  • the load 300 of the atomization circuit is an atomizer, the atomization circuit can realize the smoking function.
  • the operation mode of the atomization circuit is the cigarette light mode; when the load 300 of the atomization circuit is an external device, the atomization circuit can Charging the external device, the working mode of the atomizing circuit is the charging mode; when the atomizing circuit is in an open state, that is, when the atomizing circuit is not loaded, the working mode of the atomizing circuit is an open mode, that is, an atomizing circuit The voltage output does not output a voltage.
  • the battery pack is used to supply power.
  • the battery assembly may include a battery and a charging circuit.
  • the current detecting circuit 200 is for detecting a current value of the load 300 flowing into the atomizing circuit and feeding back the current value to the control circuit 100.
  • the control circuit 100 is configured to control the atomizing circuit to operate in an operating mode corresponding to the load 300 of the atomizing circuit based on the current value. Further, the control circuit 100 can start the process of acquiring the current value of the load 300 flowing into the atomizing circuit as long as it detects that the atomizing circuit starts operating.
  • the control circuit 100 may first output a detection voltage to the load 300 of the atomization circuit, and identify the load 300 of the atomization circuit as an atomizer according to the current value of the load 300 flowing into the atomization circuit under the detection voltage, or The external device, or the atomizing circuit is in an open state, thereby controlling the atomizing circuit to enter a corresponding working mode; or directly controlling the atomizing circuit to enter the working mode corresponding to the load 300 according to the current value.
  • the detection voltage can also be input to the load 300 of the atomization circuit by other devices.
  • the control circuit 100 can control the battery component to input the detection voltage to the load 300 of the atomization circuit.
  • the output circuit has a current, that is, the current value of the load 300 flowing into the atomizing circuit is greater than zero, and if the load 300 of the atomizing circuit is an external device such as a mobile phone, a tablet computer, or a wearable electronic device, the output circuit does not have The current, that is, the current flowing into the load 300 of the atomizing circuit is zero.
  • the output circuit also has no current, that is, the current is zero, so after the detection voltage is applied, the atomizing circuit is detected.
  • the current value of the load 300 can identify that the load 300 of the atomizing circuit is an atomizer, an external device, or an atomizing circuit is in an open state. Further, the control circuit 100 can first output a smaller first detecting voltage (for example, 3V).
  • the control circuit 100 increases the output voltage to the second detecting voltage (for example, to 5V) To identify whether the load 300 of the atomizing circuit is an external device or no load, and if the current value of the load 300 flowing into the atomizing circuit is greater than zero, it is determined that the load 300 of the atomizing circuit is an external device; if there is no current, it is determined as No load.
  • the atomization circuit When the control circuit 100 recognizes that the load 300 of the atomization circuit is an external device, then the atomization circuit is controlled to enter the charging mode, at which time the control circuit 100 can convert the output voltage of the battery component to 5V voltage and input to the external device through the adapter. To charge the external device.
  • the control circuit 100 recognizes that the load 300 of the atomization circuit is an atomizer, then the atomization circuit is controlled to enter a cigarette light mode, at which time the control circuit 100 can convert the output voltage of the battery assembly into a voltage suitable for the operation of the atomizer. (for example, 3V voltage) and input to the atomizer to atomize the smoke liquid through the atomizer.
  • a voltage suitable for the operation of the atomizer for example, 3V voltage
  • control circuit 100 When the control circuit 100 recognizes that the atomizing circuit is unloaded, it controls the atomizing circuit to stop operating, for example, cutting off the power supply circuit of the battery pack. Optionally, the control circuit 100 can also control the atomizing circuit to emit prompt information such as an audible or visual reminder or a vibration reminder.
  • the atomization circuit provided by the embodiment of the present invention can identify the load 300 of the atomization circuit, thereby ensuring that the atomization circuit can operate normally regardless of whether the cigarette light function or the charging function is applied to the electronic cigarette. In the middle, the use value of the electronic cigarette can be improved. At the same time, in the case that the working mode of the atomizing circuit does not match the load connected to the atomizing circuit, the battery component still outputs a voltage and may cause damage to the load, and the use of the atomizing circuit is prolonged to some extent. time.
  • the control circuit 100 includes a controller 110 and an output control unit 120.
  • the controller 110 is electrically connected to the output control unit 120 and the current detecting circuit 200, respectively.
  • the output of the controller 110 is electrically connected to the input of the output control unit 120
  • the first input of the controller 110 is electrically connected to the output of the current detecting circuit 200
  • the first input of the controller 110 is used.
  • the current value fed back by the current detecting circuit 200 is received.
  • the output control unit 120 is also used to electrically connect the load 300 of the atomizing circuit.
  • the output control unit 120 is configured to adjust the voltage output by the battery component under the control of the controller 110.
  • the output control unit 120 can be a voltage converter, and the controller 110 controls the output voltage of the output control unit 120 through a PWM (Pulse Width Modulation) signal, and then the controller 110 can change by adjusting the duty ratio of the PWM signal.
  • the output voltage of the control unit 120 is output.
  • the output control unit 120 is not limited to having the above functions, and may further include functions such as filtering, overcurrent protection, overvoltage protection, and short circuit protection to improve the reliability of the atomization circuit.
  • the controller 110 is configured to control the output control unit 120 to output a detection voltage to the load 300 of the atomization circuit, and control the load corresponding to the load 300 of the atomization circuit in the atomization circuit according to the current value of the load 300 of the atomization circuit under the detection voltage. Work in working mode. Wherein, after the controller 110 outputs a corresponding control signal such that the control control unit 120 outputs the detected voltage, the current detecting circuit 200 detects the current value of the load 300 flowing into the atomizing circuit and feeds back to the controller 110.
  • the controller 110 can determine whether the load 300 of the atomization circuit is an atomizer or an external device or the atomization circuit is in an open state according to the feedback current value. Optionally, the controller 110 directly determines the operating mode corresponding to the load 300 of the atomizing circuit according to the feedback current value.
  • the voltage detecting circuit 400 is further included in the atomizing circuit.
  • the voltage detecting circuit 400 is for electrically connecting the load 300 of the atomizing circuit, and the voltage detecting circuit 400 is also electrically connected to the control circuit 100.
  • the voltage detection circuit 400 is electrically coupled to the second input of the controller 110 within the control circuit 100, and the second input of the controller 110 is configured to receive the voltage value detected by the voltage detection circuit 400.
  • the voltage detecting circuit 400 is for detecting a voltage value of the load 300 input to the atomizing circuit and feeding back the voltage value to the control circuit 100.
  • the control circuit 100 is further configured to adjust the voltage of the load 300 input to the atomization circuit according to the voltage value fed back by the voltage detecting circuit 400 to ensure that the voltage output to the load 300 of the atomizing circuit is the above-mentioned detection voltage, thereby improving detection.
  • the accuracy For example, if the controller 110 finds that the voltage value fed back by the voltage detecting circuit 400 is lower than the detection voltage, the controller 110 increases the output voltage of the output control unit 120 by increasing the duty ratio of the PWM signal, thereby inputting to the atomizing circuit. The voltage of the load 300 reaches the detection voltage.
  • the atomizing circuit is provided with an interaction device 500.
  • the interaction device 500 is electrically coupled to the control circuit 100. Specifically, the interaction device 500 is electrically connected to the controller 110.
  • the interaction device 500 is configured to receive an operation signal for switching an operation mode of the atomization circuit.
  • the interaction device 500 may include at least one of a button, a toggle switch, or a touch screen, which is not limited in this embodiment. Therefore, the user can switch the operation mode of the atomizing circuit by means of a button, a toggle switch or a touch screen.
  • a button as an example, two different buttons (defined as a first button and a second button) can be separately set, wherein the first button represents a charging mode, and the second button represents a cigarette mode, when the user presses the first button When the button is pressed, the atomization circuit is expected to switch to the charging mode.
  • the atomization circuit When the user presses the second button, the atomization circuit is expected to switch to the cigarette light mode. When the first button and the second button are not pressed, the atomization circuit is expected. In an open state. Moreover, the touch screen can also display the working mode of the atomizing circuit in real time for the user to view.
  • the control circuit 100 is further configured to control the atomization circuit to switch to an operation mode corresponding to the operation signal according to the operation signal received by the interaction device 500 for switching the operation mode of the atomization circuit.
  • the operation signal for switching the working mode is, for example, a pressing operation signal of the user to the button; an operation signal of the user dialing the toggle switch; or an operation signal for the user to click or slide the touch screen.
  • the atomization circuit provided by the embodiment of the present invention can automatically switch between the working mode and the working mode according to the user's selection. For example, as long as the control circuit 100 detects that the atomization circuit starts to work, it begins to recognize the load loaded at the voltage output end of the atomization circuit, and controls the atomization circuit to enter the corresponding working mode according to the recognized result; during the operation, If the control circuit 100 receives an operation signal from the interaction device 500 for switching the operation mode of the atomization circuit, the control circuit 100 controls the atomization circuit to switch to an operation mode corresponding to the operation signal.
  • the atomization circuit may further include a wireless module to wirelessly receive the operation mode of the switching atomization circuit sent by the user through the smart device. The signal is sent to the control circuit 100.
  • an atomizing device in another embodiment, includes an atomizing circuit and that is provided with a voltage output.
  • the voltage output may be connected to an atomizer for atomization or a detachable mounting adapter to charge an external device.
  • the atomization circuit includes a battery component, a control circuit, and a current detection circuit.
  • the control circuit and the current detecting circuit are respectively configured to electrically connect the load of the atomizing circuit through the voltage output end, and the load of the atomizing circuit is the external device or the atomizer.
  • the current detecting circuit is also electrically connected to the control circuit.
  • the battery assembly can be used as part of an atomizing circuit or separately from the atomizing circuit, but the battery assembly is always used to power the atomizing circuit.
  • the battery assembly is used for power supply.
  • the current detecting circuit is configured to detect a current value of a load flowing into the atomizing circuit and feed back the current value to the control circuit.
  • the control circuit is configured to control the atomization circuit to operate in an operation mode corresponding to a load of the atomization circuit according to the current value.
  • the atomization circuit in the atomization device provided by the embodiment of the present invention is the same as the atomization circuit provided in the above embodiments, and details are not described herein again.
  • an atomization circuit control method is provided that can be performed by the control circuit 100 of the previous embodiment. Specifically, the atomization circuit control method can be performed by the controller 110. Referring to FIG. 3, the atomization circuit control method includes the following.
  • Step S100 Output a detection voltage to the load 300 of the atomization circuit, and acquire a current value of the load 300 passing through the atomization circuit at the detection voltage.
  • the atomization circuit is provided with a voltage output end, and the voltage output end can be connected to the atomizer for atomization or detachably mounting the adapter to charge the external device.
  • the working mode corresponding to the load is an operating mode corresponding to the load type, such as an operating mode corresponding to the atomizer, a working mode corresponding to the mobile phone, and the like.
  • the working mode can be a cigarette light mode, a charging mode or an open circuit mode.
  • the output circuit has a current, that is, the current value of the load 300 flowing into the atomizing circuit is greater than zero, and if the load 300 of the atomizing circuit is an external device such as a mobile phone, a tablet computer, or a wearable electronic device, the output circuit does not have The current, that is, the current flowing into the load 300 of the atomizing circuit is zero.
  • the output circuit also has no current), and therefore, after the detection voltage is applied, the load 300 of the atomizing circuit is detected.
  • the current value identifies that the load 300 of the atomizing circuit is an atomizer, an external device, or an atomizing circuit that is in an open state.
  • Step S200 the atomizing circuit is controlled to operate in an operation mode corresponding to the load 300 of the atomizing circuit.
  • the working mode includes at least a cigarette light mode and a charging mode.
  • the atomizing circuit When the control circuit 100 recognizes that the load 300 of the atomizing circuit is an external device, then the atomizing circuit is controlled to enter a charging mode, at which time the control circuit 100 can convert the output voltage of the battery component to a voltage of 5 V and output it, thereby being supplied through the adapter. External device charging.
  • the control circuit 100 recognizes that the load 300 of the atomization circuit is an atomizer, then the atomization circuit is controlled to enter a cigarette light mode, at which time the control circuit 100 can convert the output voltage of the battery assembly into a voltage suitable for the operation of the atomizer. (for example, 3V voltage) and output, so that the smoke liquid is atomized by the atomizer.
  • the control circuit 100 When the control circuit 100 recognizes that the atomizing circuit is unloaded, it controls the atomizing circuit to stop operating, for example, cutting off the power supply circuit of the battery pack.
  • the control circuit 100 can also control the atomizing circuit to emit prompt information such as an audible or visual reminder or a vibration reminder.
  • the atomization circuit first determines the type of the load 300 of the atomization circuit according to the current value, and then determines the operation mode corresponding to the load 300 of the atomization circuit according to the type of the load 300 of the atomization circuit.
  • the atomizing circuit can also directly determine the working mode corresponding to the load 300 of the atomizing circuit according to the current value.
  • control circuit 100 controls the atomization circuit to enter the charging mode
  • the control circuit 100 can also monitor in real time whether the output voltage of the battery component is lower than a threshold that can be normally charged, and if so, cut off the charging of the battery component. Circuit.
  • control circuit 100 can detect whether an overcurrent phenomenon has occurred in real time by the current value fed back by the current detecting circuit 200, and if so, the charging circuit of the battery pack is also cut off.
  • step S100 includes the following content, please refer to FIG. 4.
  • Step S110 Input a first detection voltage corresponding to the cigarette light mode to the load 300 of the atomization circuit.
  • the atomizing circuit when the load 300 of the atomizing circuit is an atomizer, the atomizing circuit can realize the smoking function, and the working mode of the atomizing circuit is the cigarette light mode.
  • the first detection voltage is a voltage input to the atomizer when the atomization circuit is able to operate normally in the cigarette light mode.
  • the first detection voltage may be between 2.5V and 3.5V, for example, 3V. Therefore, the first detection voltage is applied in order to detect whether the load 300 of the atomization circuit is an atomizer.
  • the embodiment of the present invention first passes The first detection voltage detects whether the load 300 of the atomizing circuit is an atomizer, which can improve safety.
  • Step S120 Receive a first current value of the load 300 of the atomizing circuit at the first detection voltage.
  • the current detecting circuit 200 can detect the first current value of the load 300 flowing into the atomizing circuit and transmit the first current value to the control circuit 100.
  • step S200 includes the following content, please refer to FIG. 5.
  • Step S201 Determine whether the first current value is in the first current range. If yes, execute step S202; otherwise, execute step S130.
  • the first detection voltage is applied, in order to detect whether the load 300 of the atomization circuit is an atomizer, and if not, continue to apply other voltages to detect whether the load 300 of the atomization circuit is an external device or The atomizing circuit is in an open state.
  • Step S202 determines that the load 300 of the atomizing circuit is an atomizer, and the control atomizing circuit operates in an operating mode when the load 300 of the atomizing circuit is an atomizer.
  • the first current range is a current range flowing through the atomizer when the atomizing circuit is in normal operation in the cigarette light mode. Since the first detection voltage corresponds to the cigarette light mode, the atomization circuit can operate normally only when the load 300 of the atomization circuit is the atomizer, and the first current value is in the first current range; The load 300 of the circuit is in an open state of the external device or the atomizing circuit, and the atomizing circuit cannot operate normally, and the first current value is outside the first current range.
  • the first current range may be greater than zero.
  • the load 300 of the atomization circuit is an atomizer; if it is determined that the first current value is zero , there is no current in the output loop. At this time, it can be determined that the load 300 of the atomizing circuit is an external device or no load.
  • step 100 further includes step 130, and step 130 is performed.
  • Step S130 Adjust the voltage output to the load 300 of the atomizing circuit until reaching the second detection voltage corresponding to the charging mode.
  • the second detection voltage is a voltage input to the external device through the adapter when the atomization circuit can work normally in the charging mode.
  • the step may be: increasing the voltage output to the load 300 of the atomizing circuit until reaching the second detection voltage corresponding to the charging mode.
  • the second detection voltage can be between 4.5V and 5.5V, for example 5V. Therefore, the second detection voltage is applied in order to detect whether the load 300 of the atomization circuit is an external device.
  • Step S140 receives a second current value of the load 300 of the atomizing circuit at the second detection voltage.
  • the current detecting circuit 200 can detect the second current value flowing into the load 300 of the atomizing circuit and transmit the second current value to the control circuit 100.
  • step S200 further includes step S203 and step S204.
  • Step S203 If the second current value is in the second current range, it is determined that the load 300 of the atomization circuit is an external device, and the control atomization circuit operates in an operation mode when the load 300 of the atomization circuit is an external device.
  • the second current range is a current range flowing into the external device when the atomizing circuit is in normal operation in the charging mode. Since the second detection voltage corresponds to the charging mode, the atomizing circuit can operate normally only when the load 300 of the atomizing circuit is an external device, and the second current value is in the second current range; and if the atomizing circuit is When the load 300 is an atomizer or the atomization circuit is in an open state, the atomization circuit cannot operate normally, and the second current value is outside the second current range.
  • the second current range may be a current range between 500 mA and 1000 mA.
  • the second detection voltage is applied, if it is determined that the second current value is between 500 mA and 1000 mA, it can be determined that the load 300 of the atomization circuit is a mobile phone.
  • step S204 includes determining that the atomizing circuit is in an open state if the second current value is zero.
  • the atomization circuit is in an open state, in other words, the interface of the atomization circuit is not connected to any load. Therefore, the embodiment of the present invention can separately identify whether the load 300 of the atomization circuit is an atomizer, an external device, or an empty load by the above implementation manner.
  • the atomization circuit control method before the step S100, further includes: determining whether an operation signal for switching the operation mode is received, and if so, switching the atomization circuit to the operation according to the operation signal The working mode corresponding to the signal; otherwise, step S100 is performed.
  • the operation signal for switching the operation mode may be a signal transmitted by the interaction device 500 to the control circuit 100. Therefore, the atomization circuit control method provided by the embodiment of the present invention can switch the atomization circuit to the user's desired working mode according to the user's wishes, and can also identify the load 300 of the atomization circuit and switch to the atomization circuit. The working mode corresponding to the load 300.
  • the atomizing circuit first determines the type of the load 300 of the atomizing circuit according to the current value, and then determines the working mode corresponding to the load 300 of the atomizing circuit according to the type of the load 300 of the atomizing circuit.
  • the load 300 is obtained as an atomizer according to the first current value in the first current range, and the operation mode is determined to be the cigarette mode according to the load 300.
  • the atomizing circuit can also directly determine the working mode corresponding to the load 300 of the atomizing circuit according to the current value.
  • the corresponding relationship between the current value and the working mode may be pre-stored in the atomizing circuit, for example, the first current range, the second current range, and the current value are zero corresponding to the cigarette light mode, the charging mode, and the open circuit, respectively.
  • FIG. 3 to FIG. 5 are schematic flowcharts of a method according to an embodiment of the present invention. It should be understood that although the various steps in the flowcharts of FIGS. 3 through 5 are sequentially displayed as indicated by the arrows, these steps are not necessarily performed in the order indicated by the arrows. Except as explicitly stated herein, the execution of these steps is not strictly limited, and may be performed in other sequences. Moreover, at least some of the steps in FIGS.
  • 3 to 5 may include a plurality of sub-steps or stages, which are not necessarily performed at the same time, but may be executed at different times, and the execution order thereof is also It is not necessarily performed sequentially, but may be performed alternately or alternately with at least a portion of other steps or sub-steps or stages of other steps.

Abstract

L'invention concerne un circuit d'atomisation, un dispositif d'atomisation et un procédé de commande pour le circuit d'atomisation. Une extrémité de sortie de tension du circuit d'atomisation peut être connectée à un atomiseur pour mettre en œuvre une atomisation ou un adaptateur est monté de manière amovible sur l'extrémité de sortie de tension du circuit d'atomisation pour charger un dispositif externe. Le circuit d'atomisation comprend un circuit de commande (100) et un circuit de détection de courant (200), et le circuit de commande (100) et le circuit de détection de courant (200) sont électriquement connectés à une charge (300) du circuit d'atomisation, respectivement. Le circuit de détection de courant (200) est électriquement connecté au circuit de commande (100), détecte une valeur d'un courant circulant dans la charge (300) du circuit d'atomisation et renvoie la valeur du courant au circuit de commande (100). Le circuit de commande (100) commande, en fonction de la valeur du courant, le circuit d'atomisation pour son fonctionnement dans un mode de fonctionnement correspondant à la charge (300) du circuit d'atomisation. Au moyen du circuit d'atomisation, du dispositif d'atomisation et du procédé de commande pour le circuit d'atomisation, la charge (300) du circuit d'atomisation peut être identifiée de manière à garantir le fonctionnement normal d'une fonction d'allumage de cigarette et d'une fonction de charge, ce qui permet d'améliorer la valeur d'utilisation de la cigarette électronique.
PCT/CN2018/080077 2017-04-10 2018-03-22 Circuit d'atomisation, dispositif d'atomisation et procédé de commande pour circuit d'atomisation WO2018188469A1 (fr)

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