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WO2014194499A1 - 电子烟的充电方法及电子烟盒 - Google Patents

电子烟的充电方法及电子烟盒 Download PDF

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Publication number
WO2014194499A1
WO2014194499A1 PCT/CN2013/076808 CN2013076808W WO2014194499A1 WO 2014194499 A1 WO2014194499 A1 WO 2014194499A1 CN 2013076808 W CN2013076808 W CN 2013076808W WO 2014194499 A1 WO2014194499 A1 WO 2014194499A1
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WO
WIPO (PCT)
Prior art keywords
charging
electronic cigarette
voltage
preset
current
Prior art date
Application number
PCT/CN2013/076808
Other languages
English (en)
French (fr)
Inventor
向智勇
Original Assignee
吉瑞高新科技股份有限公司
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.)
Filing date
Publication date
Application filed by 吉瑞高新科技股份有限公司 filed Critical 吉瑞高新科技股份有限公司
Priority to PCT/CN2013/076808 priority Critical patent/WO2014194499A1/zh
Priority to EP13886291.7A priority patent/EP3007306A4/en
Publication of WO2014194499A1 publication Critical patent/WO2014194499A1/zh

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Classifications

    • 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
    • A24F40/50—Control or monitoring
    • 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
    • A24F40/95—Arrangements or methods specially adapted for charging batteries thereof structurally associated with cases
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule

Definitions

  • the present invention relates to the field of electronic cigarettes, and more particularly to a method for charging an electronic cigarette and an electronic cigarette case.
  • the electronic cigarette case is a device for storing electronic cigarettes.
  • the electronic cigarette case can also use a rechargeable battery to store energy and charge the battery inside the electronic cigarette.
  • the charging circuit of the electronic cigarette has a charging management circuit, and the electronic cigarette case can be used.
  • 5V DC charges the battery inside the electronic cigarette; the other is that there is no charging management circuit in the charging circuit of the electronic cigarette, then the electronic cigarette box needs to use constant current to add up to 4.2V.
  • the limited-voltage charging method charges the battery inside the electronic cigarette.
  • the electronic cigarette case directly adopts 5V.
  • DC charges the battery of the electronic cigarette
  • the electronic cigarette case uses a constant current plus a maximum of 4.2V.
  • the limited-voltage charging method charges the battery of the electronic cigarette, and the charging and charging time is long, and the user's demand cannot be satisfactorily satisfied.
  • the technical problem to be solved by the present invention is that the above-mentioned electronic cigarette case for the prior art can only charge the electronic cigarette with the charging management circuit or the charging management circuit, and cannot be compatible with the defects of the two electronic cigarettes, and provides a Electronic cigarette charging method and electronic cigarette case.
  • the technical solution adopted by the present invention to solve the technical problem thereof is: constructing a charging method of the electronic cigarette, comprising:
  • the charging mode includes a first charging mode and a second charging mode, when the detected current value is greater than or equal to a preset second current value. And when the detected voltage value is less than or equal to the preset second voltage value, selecting the first charging mode to charge the electronic cigarette;
  • the second charging method charges the electronic cigarette.
  • the first charging mode is a charging mode using a constant current plus a maximum 4.2V voltage limiting charging.
  • the second charging mode is a charging mode using a 5V voltage charging.
  • the preset second current value is greater than a current value of the electronic cigarette constant current charging.
  • the method further includes: charging the electronic cigarette in the first charging mode or the second charging mode During the process, the charging current value is detected, and when the detected current value is less than the preset third current value, the charging of the electronic cigarette is stopped.
  • the preset first voltage is 5V.
  • the preset time length is 1 second.
  • the preset first current value is greater than a current value of the electronic cigarette constant current charging.
  • An electronic cigarette case for charging an electronic cigarette comprising:
  • a microprocessor a charging detection module respectively connected to the microprocessor and the electronic cigarette, and an electronic cigarette charging module respectively connected to the microprocessor and the electronic cigarette;
  • the microprocessor is configured to control the electronic cigarette charging module Charging the electronic cigarette with a preset first voltage for a predetermined length of time, and limiting a maximum value of the charging current to a preset first current value during charging;
  • the charging detection module is configured to detect a charging current and/or a voltage during the charging process of the preset time length
  • the microprocessor is further configured to control the electronic cigarette charging module according to the detected current and/or voltage value Select a different charging method to charge the electronic cigarette.
  • the charging mode includes a first charging mode and a second charging mode, when the charging detection module
  • the microprocessor controls the electronic cigarette charging when the detected current value is greater than or equal to a preset second current value, or the voltage value detected by the charging detection module is less than or equal to a preset second voltage value Module selection
  • the first charging mode charges the electronic cigarette;
  • the microprocessor controls the electronic cigarette charging module to select the second charging mode to charge the electronic cigarette.
  • the first charging mode is a charging mode using a constant current plus a maximum 4.2V voltage limiting charging.
  • the second charging mode is a charging mode using a 5V voltage charging.
  • the charging detection module is further configured to detect a charging current during charging of the electronic cigarette by the electronic cigarette charging module in a first charging manner or a second charging manner;
  • the microprocessor is also used to The charging detection module compares the current value detected during the charging process of the electronic cigarette charging module with the preset third current value, if the comparison result is The detected current value is less than the preset third current value, and then the electronic cigarette charging module is controlled to stop charging the electronic cigarette.
  • the electronic cigarette case further includes a boosting module and a rechargeable battery, and the boosting module is configured to The voltage of the rechargeable battery is boosted to charge the electronic cigarette.
  • the electronic cigarette case further comprises: a low voltage detecting module, an overcurrent detecting module, an overvoltage detecting module, a charging module, and a charging management module;
  • Low-voltage detection module for charging battery voltage in the electronic cigarette case Detecting and transmitting the voltage detection result to the microprocessor, and when the result of the voltage detection is lower than the preset voltage value, the microprocessor controls the charging circuit to be disconnected;
  • An overcurrent detection module for performing current detection on a charging circuit in the electronic cigarette case and transmitting the current detection result to the microprocessor when the current When the result of the detection is higher than the preset current value, the microprocessor controls the charging circuit to be turned off;
  • An overvoltage detection module for performing voltage detection on the charging circuit in the electronic cigarette case and transmitting the voltage detection result to the microprocessor, when the voltage detection result When the voltage is higher than the preset voltage, the microprocessor controls the charging circuit to be disconnected;
  • a charging module for connecting to an external charging power source to charge the rechargeable battery of the electronic cigarette case
  • the charging management module is configured to manage the charging process of the electronic cigarette case charging battery by the external charging power source, so that the charging battery is charged in a constant current manner. / Constant voltage mode.
  • the preset first current value is greater than a current value of the electronic cigarette constant current charging.
  • the preset second current value is greater than a current value of the electronic cigarette constant current charging.
  • the charging method and the electronic cigarette case for implementing the electronic cigarette of the invention have the following beneficial effects: the electronic cigarette case can be compatible with charging the electronic cigarettes of different charging management modes, and the charging mode can be automatically selected according to different charging management modes of the electronic cigarettes. Easy to use, while reducing costs; can enhance the user experience and better meet the consumer needs of users.
  • FIG. 1 is a structural view of an electronic cigarette case according to an embodiment of the present invention.
  • FIG. 2 is a circuit diagram of a charging detection module of an electronic cigarette case according to an embodiment of the present invention
  • FIG. 3 is a circuit diagram of a boosting module of an electronic cigarette case according to a first embodiment of the present invention
  • FIG. 4 is a circuit diagram of a boosting module of an electronic cigarette case according to a second embodiment of the present invention.
  • Figure 5 is a flow chart showing a charging method of the electronic cigarette according to the first embodiment of the present invention.
  • Fig. 6 is a flow chart showing a charging method of the electronic cigarette according to the second embodiment of the present invention.
  • the electronic cigarette is a rechargeable electronic cigarette that includes a battery rod. Insert the battery rod of the electronic cigarette into the charging socket inside the electronic cigarette case while charging. The rechargeable battery in the electronic cigarette case charges it.
  • 5V can be used for electronic cigarettes with charge management circuit.
  • the direct current charges the battery inside the electronic cigarette; the charging management circuit can make the electronic cigarette charging process be constant current charging, constant voltage charging, and trickle charging.
  • the other is that there is no charging management circuit in the charging circuit of the electronic cigarette, and the electronic cigarette box is required to adopt the constant current plus maximum.
  • the 4.2V limited voltage charging method charges the battery inside the electronic cigarette.
  • the microprocessor in the electronic cigarette case of the embodiment of the invention is in a very short time (such as within 1 s) Detecting the charging current to determine whether the electronic cigarette has a charging management circuit, and using the boosting module to boost, the electronic cigarette box can automatically select different charging methods to charge different electronic cigarettes, which is convenient to use, and at the same time reduces cost and can be better. Meet the user's consumer needs.
  • FIG. 1 It is a structural diagram of an electronic cigarette case according to an embodiment of the present invention.
  • the electronic cigarette case in the embodiment of the present invention can be used for charging an electronic cigarette, and the electronic cigarette case includes a rechargeable battery 100, a microprocessor 101, and a microprocessor 101, respectively.
  • the charging detection module 102 connected to the electronic cigarette 200 is respectively connected to the microprocessor 101, the rechargeable battery 100, and the electronic cigarette charging module 103 connected to the electronic cigarette 200.
  • the microprocessor 101 is configured to control the electronic cigarette charging module 103 with a preset first voltage pair of electronic cigarettes 200 Charging for a predetermined length of time, and limiting the maximum value of the charging current to a preset first current value during charging.
  • the charge detection module 102 is configured to detect a charging current and/or a voltage during the charging of the preset length of time. See Figure 2 It is a circuit diagram of the charge detecting module 102 of the embodiment of the present invention.
  • the charge detection module 102 includes a resistor R11, a resistor R12, and a capacitor C11. Wherein one end of the resistor R11 is connected to the resistor R12 and OUT_1 terminals, the other end is connected to the positive terminal of capacitor C11 and OUT_2 terminal; one end of resistor R12 is connected to OUT_1 terminal, the other end is grounded; the positive terminal of capacitor C 1 1 is connected. The OUT2 terminal and the negative terminal are grounded.
  • OUT_1 is the positive terminal of the electronic cigarette battery to be charged
  • OUT_2 is the charging current or voltage detection terminal. The resistance can be measured through the OUT_2 terminal.
  • R12 The voltage on the voltage is used as the charging voltage or the voltage across the resistor R11 to calculate the charging current.
  • the microprocessor 101 is further configured to compare the current value detected by the charging detection module 102 with a preset second current value. Or comparing the voltage value detected by the charging detection module 102 with a preset second voltage value; if the comparison result is that the detected current value is greater than or equal to the preset second current value Or the comparison result is that the detected voltage value is less than or equal to a preset second voltage value, and then the electronic cigarette charging module 103 is controlled to charge the electronic cigarette 200 in a first charging manner; Controlling the electronic cigarette charging module 103 if the comparison result is that the detected current value is less than a preset second current value, or the comparison result is that the detected voltage value is greater than a preset second voltage value The electronic cigarette 200 is charged in a second charging mode.
  • the charging detection module 102 is further configured to: when the electronic cigarette charging module 103 is in the first charging mode or the second charging mode, the electronic cigarette 200 During charging, the charging current is detected; the microprocessor 101 is also used to charge the charging detection module 102 in the electronic cigarette charging module 103. The detected current value is compared with a preset third current value. If the result of the comparison is that the detected current value is less than the preset third current value, the electronic cigarette charging module 103 is controlled to stop being given to the electronic cigarette 200. Charging.
  • the first charging mode is to use a constant current plus a maximum of 4.2V.
  • the charging mode of the voltage limiting charging; the second charging mode is 5V
  • the preset first current value, the preset second current value, the preset second voltage value, the preset time length, and the preset first voltage value are all used by the microprocessor 101. Make settings and store.
  • the electronic cigarette case further includes: a boosting module 104, a low voltage detecting module 105, and an overcurrent detecting module 106.
  • the charging module 108 is a charging interface for connecting to an external charging power source to charge the rechargeable battery of the electronic cigarette case.
  • the charging interface can be The USB-connected USB charging port can also be used to charge the adapter to the adapter.
  • Charge Management Module 109 It is used to manage the charging process of the electronic cigarette case charging battery by the external charging power source, so that the charging battery is charged in a constant current manner / Constant voltage mode.
  • the charging management module 109 Therefore, the constant current is first used to quickly replenish the rechargeable battery.
  • the rechargeable battery When the rechargeable battery is nearly full, it switches to the constant voltage mode, and the charging current begins to decrease until it is full.
  • External charging power supply includes via USB A computer that charges the charging interface, an adapter that is charged through the adapter charging interface, and so on.
  • the boosting module 104 is configured to boost the voltage of the rechargeable battery 100 of the electronic cigarette case to the electronic cigarette 200 Charging. Since the voltage of the rechargeable battery 100 of the electronic cigarette case is generally 4.2V, and the electronic cigarette 200 having the charging management circuit is charged, a rechargeable battery 100 which is slightly higher than the electronic cigarette case is required. The voltage of the voltage charges the electronic cigarette, and therefore, the boosting module 104 is required to boost the voltage of the rechargeable battery 100 of the electronic cigarette case.
  • boost module 104 It can be a boost chip or a boost hardware circuit.
  • FIG. 3 It is a circuit diagram of the boosting module of the first embodiment of the present invention.
  • a boosting chip is employed as a boosting module to boost.
  • the boost chip in Figure 3 is model CP2121, and the model number is also available.
  • Boost chip such as MT3608.
  • the first pin of boost chip U1 is the switch pin; the second pin is the ground pin; the third pin is the feedback voltage pin; The pin is an enable pin.
  • the booster chip U1 starts to work. Below 0.4V, the booster chip U1 enters the off state;
  • the pin is an overvoltage protection pin; the sixth pin is the chip operating voltage pin.
  • the first pin of the boosting chip U1 is connected to one end of the inductor L1 and the anode of the diode D1; the inductor L1 The other end of the resistor is connected to one end of the resistor R1; the other end of the resistor R1 is connected to the IN_1 terminal and the sixth pin; the second pin is grounded and connected to the negative terminal of the capacitor C1; the positive terminal of the capacitor C1 is connected to the diode D1 cathode and OUT_1 terminal; one end of resistor R2 is grounded and the second pin is connected to the negative pole of capacitor C1; one end of resistor R3 is connected to OUT_1 terminal and diode D1 The other end is connected to one end of the resistor R2 and the third pin; the fourth pin is connected to the enable voltage supply terminal UP_EN.
  • the positive end of the IN_1 end electronic cigarette case rechargeable battery, OUT_1 The end is the positive terminal of the electronic cigarette battery to be charged.
  • the boost module employs a boost circuit.
  • the boost circuit includes: MOS transistor Q1, resistor R4, resistor R5, capacitor C2, capacitor C3, inductor L2, diode D2.
  • the gate of the MOS transistor Q1 is connected to the PWM terminal through the resistor R4, the source is grounded, and the PWM is connected through the resistor R5.
  • the terminal and the drain are connected to one end of the inductor L2 and the anode of the diode D2; the other end of the inductor L2 is connected to the IN_1 terminal; the cathode of the diode D2 is connected to the anode of the capacitor C2 and the anode of the capacitor C3, and is connected.
  • the positive end of the IN_1 electronic cigarette case rechargeable battery, the OUT_1 end is the positive end of the electronic cigarette battery to be charged, PWM
  • the terminal is the pulse signal output of the microprocessor 101.
  • the microprocessor 101 is based on the overcurrent detection module 106 and the overvoltage detection module 107.
  • the detected actual charging voltage and charging current control the conduction state of the MOS transistor Q1 by adjusting the duty ratio of the pulse signal outputted from the pulse signal output terminal to adjust the charging voltage.
  • the overvoltage detection module 107 is configured to perform voltage detection on the charging circuit in the electronic cigarette case and transmit the voltage detection result to the microprocessor 101.
  • the microprocessor controls the charging circuit to be turned off.
  • the overvoltage detection module 107 of the embodiment of the present invention The voltage at which the rechargeable battery 100 of the electronic cigarette case charges the electronic cigarette 200 can be detected by a resistor division method.
  • the overcurrent detecting module 106 is configured to perform current detection on the charging circuit in the electronic cigarette case and transmit the current detection result to the microprocessor 101.
  • the microprocessor controls the charging circuit to open.
  • the overcurrent detection module 106 of the embodiment of the present invention can be used with FIG. 2 above.
  • the illustrated charge detection module 102 has the same circuitry.
  • the charge current can be calculated by the voltage on the resistor R11 measured at the OUT_2 terminal in Figure 2.
  • the microprocessor 101 turns off the charge. Circuit.
  • the low voltage detecting module 105 is configured to perform voltage detection on the rechargeable battery 100 in the electronic cigarette case and transmit the voltage detection result to the microprocessor 101.
  • the microprocessor 101 controls the charging circuit to be disconnected.
  • the low voltage detection module 105 of the embodiment of the present invention The same principle as the above-mentioned overvoltage detecting module can be adopted, that is, the rechargeable battery 100 of the electronic cigarette case is detected by the method of resistance partial pressure to the electronic cigarette 200 Whether the voltage at the time of charging is lower than the set threshold. If it is lower than the set threshold, the charging is turned off to protect the rechargeable battery of the electronic cigarette case.
  • the microprocessor 101 is based on the overvoltage detection module 107 and the overcurrent detection module 106, respectively.
  • the voltage and current detection results control the circuit in the electronic cigarette case to perform over-voltage protection and over-current protection on the charging circuit in the electronic cigarette case, and according to the low-voltage detection result of the low-voltage detection module 105, the rechargeable battery 100 Perform low voltage protection.
  • the microprocessor 101 in the electronic cigarette case in the embodiment of the present invention controls the electronic cigarette charging module 103.
  • the electronic cigarette 200 is charged with a preset first voltage for a predetermined length of time, and the maximum value of the charging current is limited to a preset first current value during charging to determine the electronic cigarette 200 Is there a charge management circuit?
  • the electronic cigarette 200 should be charged for 1 second, which is much larger than the constant current charging current A2 of the conventional electronic cigarette charging management circuit, that is, A1 ⁇ 2A2.
  • the charge detection module 102 detects the current A3 and / during charging Or voltage U1.
  • the microprocessor 101 compares A3 with A2 or compares U1 with a preset second voltage value U2. If A3 ⁇ (1+50%)A2 or U1 ⁇ U2, the microprocessor 101 selects to charge the electronic cigarette 200 with a constant current plus a maximum 4.2 V voltage limit; if A3 ⁇ (1+50%) A2 or U1> U2, the microprocessor 101 Charge the e-cigarette 200 at 5 V. And during the charging process, the charging detection module 102 continues to detect the charging current when the current detected by the charging detection module 102 is less than or equal to At 10 mA, the microprocessor 101 controls the charge detection module 102 to stop charging the electronic cigarette 200.
  • the electronic cigarette case of the embodiment of the invention can charge the electronic cigarette 200 of different charging management modes: if the electronic cigarette charging module 103 charging the electronic cigarette 200 with a preset first voltage for a predetermined length of time, and limiting the maximum value of the charging current to a preset first current value during charging, if the charging detection module 102 If the detected current is less than the preset second current value or the voltage is greater than the preset second voltage value, the electronic cigarette 200 has a charge management circuit.
  • the charging detection module 102 determines whether or not the electronic cigarette 200 has a charging management circuit.
  • Electronic cigarette 200 contains the charge management circuit, after the boost module 104 is boosted, the electronic cigarette 200 is charged by the charging method of 5V voltage charging; if the electronic cigarette 200 If there is no charge management circuit, the electronic cigarette 200 is charged by a constant current plus a charging mode of 4.2V limited voltage charging.
  • a processor of the model HT46R065B can be selected as the microprocessor 101.
  • the pin of the processor of HT46R065B can select its PA4/PWM0/TC1 pin as the pulse signal output terminal, which is the above PWM terminal.
  • the output pin is respectively connected to the charging detection module 102, the electronic cigarette charging module 103, the boosting module 104, the low voltage detecting module 105, the overcurrent detecting module 106, and the overvoltage detecting module 107.
  • the charging module 108 and the charging management module 109 are connected to implement the functions of the respective modules.
  • the detected current and voltage include the voltage and current when the external power source charges the rechargeable battery of the electronic cigarette case, and the voltage and current when the rechargeable battery of the electronic cigarette case charges the electronic cigarette.
  • an electronic cigarette case which can automatically select a charging mode.
  • the electronic cigarette case is provided with a boosting module, and after detecting the charging management mode of the electronic cigarette, the charging mode is automatically selected: after the boosting module is boosted, the voltage is slightly higher than the battery voltage (eg The voltage of 5V is charged to the electronic cigarette containing the charging management circuit; or the electronic cigarette without the charging management circuit is charged by constant current plus a maximum voltage of 4.2 V.
  • the charging method of the electronic cigarette includes the following steps:
  • the preset first voltage in step S1 is 5V, and the preset time length is 1 second.
  • the preset first current value is greater than the current value of the electronic cigarette constant current charging.
  • the step S 1 2 can be performed according to the detected current and / Or voltage value, choose different charging methods to charge the electronic cigarette.
  • Fig. 6 is a flow chart showing a method of charging an electronic cigarette according to a second embodiment of the present invention.
  • the charging method of the electronic cigarette includes the following steps:
  • step S 2 3 determining whether the detected current value is greater than or equal to a preset second current value, Whether the detected voltage value is less than or equal to the preset second voltage value, if the detected current value is greater than or equal to the preset second current value, or the detected current value is less than or equal to the preset second voltage Value then performs step S 2 4; If the detected current value is less than the preset second current value or the detected voltage value is greater than the preset second voltage value, step S25 is performed.
  • step S 2 charging the electronic cigarette in a first charging manner, and performing step S 26 .
  • step S 2 5 charging the electronic cigarette in a second charging manner, and performing step S 2 6 .
  • the first charging mode in step S24 is a charging mode using constant current plus a maximum 4.2V voltage limiting charging.
  • Step S 2 The second charging method in 5 is a charging method using 5V voltage charging.
  • the preset first voltage in step S 2 1 is 5V, and the preset time length is 1
  • the second, preset first current value is greater than the current value of the electronic cigarette constant current charging.
  • the second current value preset in step S 2 3 is greater than the current value of the electronic cigarette constant current charging.
  • the preset third current value in step S 2 6 may be taken 10mA.
  • the method further includes: when charging the electronic cigarette to be charged in the first charging mode or the second charging mode, performing voltage and current detection, when the detected voltage and current exceed a preset threshold , stop charging to protect the charging circuit.
  • steps S 2 1 , S 2 2 and S 2 are performed. 3 to determine whether there is a charge management circuit for the electronic cigarette to be charged.
  • A3 ⁇ (1 + 50%) A2 or U1 ⁇ U2 indicating that the electronic cigarette to be charged has no charging management circuit; if A3 ⁇ (1+50%)A2 or U1>U2, Then, the electronic cigarette to be charged has a charging management circuit. Because if the electronic cigarette to be charged has a charging management circuit, the charging current is detected when charging with a preset first voltage, for example, 5 V, and the current limiting is the first current value. A3 does not change much (ie, the detected current will be less than the preset second current value), and the detected voltage U1 will change (ie, the detected voltage will be greater than the preset second voltage value).
  • steps S 2 1 , S 2 2 and S 2 3 It can be determined whether there is a charging management circuit for the electronic cigarette to be charged. If the electronic cigarette contains a charging management circuit, the voltage of the electronic cigarette case charging battery is boosted, and 5V is used. The charging method of voltage charging charges the electronic cigarette; if the electronic cigarette does not have a charging management circuit, the electronic cigarette is charged by a constant current plus a maximum 4.2V voltage limiting charging method. And during the charging process, continue to charge current A3 The detection is performed, and when the detected current A3 is less than or equal to the preset third current value, for example, 10 mA, the charging of the electronic cigarette will be stopped.
  • the preset third current value for example, 10 mA
  • the electronic cigarette case and the electronic cigarette charging method of the embodiment of the invention by detecting whether the electronic cigarette to be charged has a charging management circuit, and automatically selecting a charging mode according to different electronic cigarettes, the electronic cigarette case can be compatible with different electronic cigarettes. Charging; making the user easy to use, while reducing costs, can enhance the user experience, better meet the user's consumer demand.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

提供一种电子烟的充电方法及电子烟盒。该电子烟的充电方法包括：以预设的第一电压对该电子烟充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值；在所述预设时间长度的充电过程中检测充电电流和/或电压，并根据所检测的电流和/或电压值，选择不同的充电方式对所述电子烟充电。电子烟盒可兼容给不同充电管理方式的电子烟充电，并能根据电子烟不同的充电管理方式而自动选择充电方式；使用方便，同时降低成本；能提升用户体验，更好满足用户的消费需求。

Description

电子烟的充电方法及电子烟盒 技术领域
本发明涉及电子烟领域，更具体地说，涉及一种电子烟的充电方法及电子烟盒。
背景技术
电子烟盒是用于存储电子烟的装置，此外，电子烟盒还能使用充电电池存储能量并给电子烟内部的电池充电。
目前，电子烟内部电池的充电管理方式主要有两种，一种是电子烟的充电电路中有充电管理电路，则电子烟盒可采用 5V 直流电对电子烟内部的电池充电；另一种是电子烟的充电电路中没有充电管理电路，则需要电子烟盒采用恒流加最大 4.2V 限压的充电方式对电子烟内部的电池进行充电。
由上所述，若电子烟没有充电管理电路，而电子烟盒直接采用了 5V 直流电对电子烟的电池充电，会有过充的危险，甚至会引起电子烟电池爆炸；若电子烟有充电管理电路，电子烟盒却采用恒流加最大 4.2V 限压的充电方式对电子烟的电池充电，则会出现充不满电和充电时间较长，不能很好的满足用户需求。
为了解决上述问题，若在电子烟盒中设置两种不同的充电模块以分别给有充电管理电路和没有充电管理电路的电子烟充电，则成本较高，亦不能很好的满足用户需求。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述电子烟盒只能给有充电管理电路或给没有充电管理电路的电子烟充电，而不能兼容这两种电子烟的缺陷，提供一种电子烟的充电方法及电子烟盒。
本发明解决其技术问题所采用的技术方案是：构造一种电子烟的充电方法，包括：
以预设的第一电压对所述电子烟充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值；
在所述预设时间长度的充电过程中检测充电电流和 / 或电压， 并 根据所检测的电流和 / 或电压 值 ，选择不同的充电方式 对所述电子烟充电 。
优选的 ， 所述 充电方式 包括第一充电方式和第二充电方式，当 检测到的电流值大于或等于预设的第二电流值 ，或检测到的电压值小于或等于预设的第二电压值时，选择 第一充电方式对所述电子烟进行充电 ；
当 检测到的电流值小于预设的第二电流值 ，或检测到的电压值大于预设的第二电压值时，选择 第二充电方式对所述电子烟进行充电。
优选的 ，所述第一充电方式为采用恒流加最大 4.2V 限压充电的充电方式。
优选的 ，所述第二充电方式为采用 5V 电压充电的充电方式。
优选的 ，所述预设的第二电流值大于电子烟恒流充电的电流值。
优选的 ，所述方法还包括： 在 以第一充电方式或第二充电方式对电子烟进行 充电 的 过程中，检测充电电流值，当检测到的电流值小于预设的第三电流值时，停止对所述电子烟的充电。
优选的 ，所述预设的第一电压为 5V 。
优选的 ，所述预设时间长度为 1 秒。
优选的 ，所述预设的第一电流值大于电子烟恒流充电的电流值。
一种电子烟盒，用于给电子烟充电，所述电子烟盒包括：
微处理器、分别与所述微处理器和所述电子烟连接的充电检测模块、分别与所述微处理器以及所述电子烟连接的电子烟充电模块；
所述微处理器用于控制所述电子烟充电模块 以预设的第一电压对所述电子烟充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值 ；
所述充电检测模块用于 在所述预设时间长度的充电过程中检测充电电流 和 / 或电压 ；
所述 微处理器 还用于 根据所检测的电流和 / 或电压 值 ， 控制所述 电子烟充电模块 选择不同的充电方式 对所述 电子烟充电 。
优选的，所述 充电方式 包括第一充电方式和第二充电方式，当所述 充电检测模块 检测到的电流值大于或等于预设的第二电流值 ，或所述 充电检测模块 检测到的电压值小于或等于预设的第二电压值时，所述微处理器控制所述电子烟充电模块选择 第一充电方式对所述电子烟进行充电 ；
当所述 充电检测模块 检测到的电流值小于预设的第二电流值 ，或所述 充电检测模块 检测到的电压值大于预设的第二电压值时，所述微处理器控制所述电子烟充电模块选择 第二充电方式对所述电子烟进行充电。
优选的 ， 所述第一充电方式为采用恒流加最大 4.2V 限压充电的充电方式。
优选的 ，所述第二充电方式为采用 5V 电压充电的充电方式。
优选的 ，所述 充电检测模块还用于当所述电子烟充电模块以第一充电方式或第二充电方式对所述电子烟充电的过程中，检测充电电流；
所述微处理器还用于将 充电检测模块在电子烟充电模块进行充电的过程中检测到的电流值和预设的第三电流值进行比较 ， 若所述 比较的结果为 检测到的电流值小于预设的第三电流值，则控制所述电子烟充电模块停止给所述电子烟充电。
优选的 ，所述电子烟盒还包括升压模块 和充电电池 ， 所述升压模块 用于对所述 充电电池的电压进行升压以给所述电子烟充电。
优选的 ，所述电子烟盒还包括：低压检测模块、过流检测模块、过压检测模块、充电模块、充电管理模块；
低压检测模块，用于对电子烟盒中的充电 电池 电压 进行 检测并将电压检测结果传送给微处理器，当电压检测的结果低于预设的电压值时，微处理器控制充电电路断开；
过流检测模块，用于对电子烟盒中的充电电路进行电流检测并将电流 检测结果传送给微处理器 ， 当 电流 检测的结果 高 于预设的 电流 值时，微处理器控制充电电路断开；
过压检测模块，用于对电子烟盒中的充电电路进行电压检测并将电压检测结果传送给微处理器 ， 当电压检测的结果 高 于预设的电压值时，微处理器控制充电电路断开；
充电模块，用于与外部充电电源相连接，为电子烟盒 的充电电池 充电；
充电管理模块，用于 对 外部充电电源对电子烟盒充电电池的充电过程进行管理，使对充电电池的充电的方式为恒流 / 恒压模式。
优选的 ，所述预设的第一电流值大于电子烟恒流充电的电流值。
优选的 ，所述预设的第二电流值大于电子烟恒流充电的电流值。
实施本发明的电子烟的充电方法及电子烟盒，具有以下有益效果：使得电子烟盒可兼容给不同充电管理方式的电子烟充电，并能根据电子烟不同的充电管理方式而自动选择充电方式；使用方便，同时降低成本；能提升用户体验，更好满足用户的消费需求。
附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图 1 是本发明实施例的电子烟盒的结构图；
图 2 是 本发明实施例的电子烟盒的充电检测模块的电路图；
图 3 是本发明第一实施例的 电子烟盒的升压模块的电路图；
图 4 是本发明第二实施例的 电子烟盒的升压模块的电路图；
图 5 是本发明 第一 实施例的电子烟的充电方法的流程图 ；
图 6 是本发明 第二 实施例的电子烟的充电方法的流程图。
具体实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
在本发明的实施例中，电子烟为可充电电子烟，其包括电池杆。充电时将电子烟的电池杆插入到电子烟盒内的充电插座上。电子烟盒内的充电电池对其进行充电。
对于有充电管理电路的电子烟，可采用 5V 直流电对电子烟内部的电池充电；其充电管理电路可使得电子烟充电过程依次为恒流充电、恒压充电、涓流充电。另一种是电子烟的充电电路中没有充电管理电路，则需要电子烟盒采用恒流加最大 4.2V 限压的充电方式对电子烟内部的电池进行充电。
本发明实施例的电子烟盒中的微处理器在极短时间内 ( 如 1s 内 ) 检测充电电流来判断电子烟是否有充电管理电路，并利用升压模块升压，可使电子烟盒自动选择不同的充电方式对不同的电子烟充电，使用方便，同时降低成本，能更好的满足用户的消费需求。
参见图 1 ，为本发明实施例的电子烟盒的结构图。在本发明的实施例中的电子烟盒可用于给电子烟充电，电子烟盒包括充电电池 100 ，微处理器 101 ，分别与微处理器 101 和电子烟 200 连接的充电检测模块 102 ，分别与微处理器 101 、充电电池 100 以及电子烟 200 连接的电子烟充电模块 103 。
微处理器 101 用于控制电子烟充电模块 103 以预设的第一电压对电子烟 200 充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值。
充电检测模块 102 用于在所述预设时间长度的充电过程中检测充电电流 和 / 或电压 。参见图 2 为本发明实施例的充电检测模块 102 的电路图。充电检测模块 102 包括电阻 R11 、电阻 R12 、电容 C11 。其中电阻 R11 的一端接电阻 R12 及 OUT_1 端，另一端接电容 C11 的正极及 OUT_2 端；电阻 R12 的一端接 OUT_1 端，另一端接地；电容 C 1 1 的正极接 OUT2 端、负极接地。 OUT_1 端为待充电电子烟电池的正极端， OUT_2 端即为充电电流 或电压 检测端，可通过 OUT_2 端测到的电阻 R12 上的电压以作为充电电压或通过电阻 R11 上的电压来计算充电电流。
微处理器 101 还用于将充电检测模块 102 检测到的电流值和预设的第二电流值进行比较， 或将充电检测模块 102 检测到的电压值和预设的第二电压值进行比较；若比较结果为所述检测到的电流值 大于或等于预设的第二电流值 ，或所述比较结果为所述检测到的电压值小于或等于预设的第二电压值， 则控制电子烟充电模块 103 以第一充电方式对电子烟 200 进行充电； 若比较结果为所述检测到的电流值小于 预设的第二电流值 ，或所述比较结果为所述检测到的电压值大于预设的第二电压值 则控制电子烟充电模块 103 以第二充电方式对电子烟 200 进行充电。
充电检测模块 102 还用于当电子烟充电模块 103 以第一充电方式或第二充电方式对电子烟 200 充电的过程中，检测充电电流；微处理器 101 还用于将 充电检测模块 102 在电子烟充电模块 103 进行充电的过程中 检测到的电流值和预设的第三电流值进行比较 ，若比较的结果为 检测到的电流值小于预设的第三电流值，则控制电子烟充电模块 103 停止给 电子烟 200 充电。
优选的，在本发明的实施例中， 第一充电方式为采用恒流加最大 4.2V 限压充电的充电方式；第二充电方式为采用 5V 电压充电的充电方式；预设的第一电流值大于电子烟恒流充电的电流值；预设的第二电流值大于电子烟恒流充电的电流值；预设的第三电流值可设为 10mA 。
在本发明的实施例中，预设的第一电流值、预设的第二电流值、预设的第二电压值、预设时间长度以及预设的第一电压值均由微处理器 101 进行设置并存储。
在本发明的实施例中，电子烟盒还包括：升压模块 104 、低压检测模块 105 、过流检测模块 106 、过压检测模块 107 、充电模块 108 、充电管理模块 109 。
充电模块 108 为充电接口，用于与外部充电电源相连接，以为电子烟盒 的充电电池 充电。该充电接口可为与 USB 连接的 USB 充电接口，也可为与适配器连接的适配器充电接口。
充电管理模块 109 ，用于对外部充电电源对电子烟盒充电电池的充电过程进行管理，使对充电电池的充电的方式为恒流 / 恒压模式。当外部充电电源对电子烟盒的充电电池进行充电时，通过充电管理模块 109 ，使得先采用恒定电流给充电电池快速补充电量，当充电电池接近充满时，切换为恒压模式，充电电流开始减小，直至充满。外部充电电源包括通过 USB 充电接口充电的电脑、通过适配器充电接口充电的适配器等。
升压模块 104 ，用于对电子烟盒的充电电池 100 的电压进行升压以给电子烟 200 充电。由于电子烟盒的充电电池 100 充满后的电压一般为 4.2V ，而对有充电管理电路的电子烟 200 充电时，需要以一略高于电子烟盒的充电电池 100 电压的电压对电子烟充电，因此，需要利用升压模块 104 对电子烟盒的充电电池 100 电压进行升压。在本发明的实施例中，升压模块 104 可为升压芯片，或采用升压 硬件 电路。
参见图 3 ，为本发明第一实施例的升压模块的电路图。在本发明的第一实施例中，采用升压芯片作为升压模块以升压。图 3 中升压芯片的型号为 CP2121 ，此外还可选用型号为 MT3608 等的升压芯片。参见图 3 ，升压芯片 U1 的第 1 引脚为开关引脚；第 2 引脚为接地引脚；第 3 引脚为反馈电压引脚；第 4 引脚为使能引脚，当第 4 引脚的电压高于 1.4V 时，升压芯片 U1 开始工作，低于 0.4V ，则升压芯片 U1 进入关闭状态；第 5 引脚为过压保护引脚；第 6 引脚为芯片工作电压引脚。
参见图 3 ，升压芯片 U1 的第 1 引脚接电感 L1 的一端及接二极管 D1 的阳极；电感 L1 的另一端接电阻 R1 的一端；电阻 R1 的另一端接 IN_1 端 及 接第 6 引脚；第 2 引脚接地，并接电容 C1 的负极；电容 C1 的正极接二极管 D1 的阴极及 OUT_1 端；电阻 R2 的一端接地和第 2 引脚，并接电容 C1 的负极；电阻 R3 的一端接 OUT_1 端和二极管 D1 的阴极，另一端接电阻 R2 的一端及第 3 引脚；第 4 引脚接使能电压提供端 UP_EN 。其中， IN_1 端电子烟盒充电电池的正极端， OUT_1 端为待充电电子烟电池的正极端。
参见图 4 ，为本发明第二实施例的升压模块的电路图。在本发明的第二实施例中，升压模块采用升压电路。该升压电路包括： MOS 管 Q1 、电阻 R4 、电阻 R5 、电容 C2 、电容 C3 、电感 L2 、二极管 D2 。其中， MOS 管 Q1 的栅极通过电阻 R4 接 PWM 端、源极接地及通过电阻 R5 接 PWM 端、漏极接电感 L2 的一端及二极管 D2 的阳极；电感 L2 的另一端接 IN_1 端；二极管 D2 的阴极接电容 C2 的正极及电容 C3 的正极，并接 OUT_1 端；电容 C2 的负极接地；电容 C3 的负极接地。 IN_1 端电子烟盒充电电池的正极端， OUT_1 端为待充电电子烟电池的正极端， PWM 端为微处理器 101 的脉冲信号输出端。微处理器 101 根据过流检测模块 106 和过压检测模块 107 检测到的实际充电电压和充电电流通过调节脉冲信号输出端输出的脉冲信号的占空比控制 MOS 管 Q1 的导通状态，以实现对充电电压的调节。
过压检测模块 107 用于对电子烟盒中的充电电路进行电压检测并将电压检测结果传送给微处理器 101 ， 当电压检测的结果 为检测到的电压高 于预设的电压值时，微处理器控制充电电路断开。优选的，本发明实施例的过压检测模块 107 可采用电阻分压的方法检测出电子烟盒的充电电池 100 对电子烟 200 充电时的电压。
过流检测模块 106 用于对电子烟盒中的充电电路进行电流检测并将电流 检测结果传送给微处理器 101 ， 当 电流 检测的结果 为检测到的电流高 于预设的 电流 值时，微处理器控制充电电路断开 。优选的，本发明实施例的过流检测模块 106 可采用与上述图 2 所示的充电检测模块 102 相同的电路。可通过图 2 中的 OUT_2 端测到的电阻 R11 上的电压来计算充电电流大小，过流时，微处理器 101 关断充电 电路 。
低压检测模块 105 ，用于对电子烟盒中的充电 电池 100 进行电压检测并将电压检测结果传送给微处理器 101 ，当电压检测的结果 为充电电池 100 的电压 低于预设的电压值时，微处理器 101 控制充电电路断开。优选的，本发明实施例的低压检测模块 105 可采用与上述过压检测模块相同的原理，即采用电阻分压的方法检测出电子烟盒的充电电池 100 对电子烟 200 充电时的电压是否低于设定的阈值。如果低于设定的阈值，则关断充电以保护电子烟盒的充电电池。
微处理器 101 分别根据过压检测模块 107 和过流检测模块 106 的电压和电流检测结果控制电子烟盒中的电路，以对电子烟盒中的充电电路进行过压保护和过流保护，并根据低压检测模块 105 的低压检测结果 对充电电池 100 进行低压保护。
在本发明的实施例中的电子烟盒中的微处理器 101 通过控制电子烟充电模块 103 以预设的第一电压对电子烟 200 充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值的方式判断电子烟 200 是否有充电管理电路。优选的，该判断的方式如下：微处理器 101 控制电子烟充电模块 103 ，先以 5V 限流 A1 （优选的，可设置 A1=1 安，且 A1 应远大于常规电子烟充电管理电路的恒流充电电流 A2 ，即 A1≥2A2 ）对电子烟 200 充电 1 秒。充电检测模块 102 检测充电时的电流 A3 和 / 或电压 U1 。 微处理器 101 将 A3 与 A2 进行比较 或将 U1 与预设的第二电压值 U2 进行比较 。若 A3≥(1+50%)A2 或 U1 ≤ U2 ，则微处理器 101 选择以恒流加最大 4.2 V 限压对电子烟 200 充电；若 A3<(1+50%)A2 或 U1>U2 ， 则微处理器 101 以 5 V 对电子烟 200 充电。且在充电的过程中，充电检测模块 102 继续对充电电流进行检测，当充电检测模块 102 检测到的电流小于或等于 10mA 时，微处理器 101 控制充电检测模块 102 停止对电子烟 200 的充电。
本发明实施例电子烟盒 可 对不同 充电管理方式 的电子烟 200 进行充电的原理为：若电子烟充电模块 103 以预设的第一电压对电子烟 200 充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值时， 若 充电检测模块 102 检测到的电流小于预设的第二电流值 或电压大于预设的第二电压值 ，则说明电子烟 200 有充电管理电路。因为，若电子烟 200 有充电管理电路，则在电子烟充电模块 103 以预设的第一电压，例如 5 V ，且限流为第一电流值进行充电时，充电检测模块 102 检测到的充电电流值不会出现较大变化（即充电检测模块 102 检测到的电流将小于预设的第二电流值 ），而检测到的充电电压值会发生变化（即 充电检测模块 102 检测到的电压将大于预设的第二电压值 ）。因此，根据充电检测模块 102 检测到的充电电流值 或电压值 ，可判断出电子烟 200 是否有充电管理电路。若电子烟 200 含有充电管理电路，则通过升压模块 104 升 压后，采用 5V 电压充电的充电方式对电子烟 200 充电；若电子烟 200 没有充电管理电路，则采用恒流加最大 4.2V 限压充电的充电方式对电子烟 200 充电。
在本发明的实施例中，可选择型号 HT46R065B 的处理器作为微 处理 器 101 。根据型号为 HT46R065B 的处理器的引脚，可选择其 PA4/PWM0/TC1 引脚作为上述脉冲信号输出端，即上述 PWM 端。并将该型号的微处理器的多个输入 / 输出引脚分别与 充电检测模块 102 、电子烟充电模块 103 、 升压模块 104 、低压检测模块 105 、过流检测模块 106 、过压检测模块 107 、充电模块 108 及充电管理模块 109 相连接以实现各个模块的功能。
应理解，在本发明实施例中的过流检测模块 106 和过压检测模块 107 检测的电流和电压包括外部电源给电子烟盒的充电电池进行充电时的电压和电流，还包括电子烟盒的充电电池对电子烟进行充电时的电压和电流。
本发明的实施例中，提供了一种电子烟盒，该电子烟盒可自动选择充电方式。电子烟盒中设置有升压模块，通过检测电子烟的充电管理方式后，自动选择充电方式：通过升压模块升压后以一略高于电池电压（如 5V ）的电压对含充电管理电路的电子烟充电；或以恒流加最大 4.2 V 限压的方式对不含充电管理电路的电子烟充电。
参见图 5 为本发明 第一 实施例的电子烟的充电方法的流程图。在本发明的 第一 实施例 的 电子烟的充电方法中，电子烟的充电方法包括以下步骤：
S11 、 以预设的第一电压对所述电子烟充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值；
S12 、 在所述预设时间长度的充电过程中检测充电电流和 / 或电压， 并 根据所检测的电流和 / 或电压 值 ，选择不同的充电方式 对所述电子烟充电 。
优选的，步骤 S1 中的 预设的第一电压为 5V ， 预设时间长度为 1 秒 ， 预设的第一电流值大于电子烟恒流充电的电流值。
在本发明的 第一 实施例的电子烟的充电方法中，通过执行步骤 S 1 2 ，可根据检测到的电流和 / 或电压值，选择不同的充电方式对电子烟充电。
参见图 6 为本发明 第二 实施例的电子烟的充电方法的流程图。在本发明的 第二 实施例 的 电子烟的充电方法中，电子烟的充电方法包括以下步骤：
S 2 1 、以预设的第一电压对所述电子烟充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值。
S2 2 、在所述预设时间长度的充电过程中检测充电电流 和 / 或电压 。
S 2 3 、判断检测到的电流值是否大于或等于预设的第二电流值， 或检测到的电压值是否小于或等于预设的第二电压值， 若检测到的电流值大于或等于预设的第二电流值 ，或检测到的电流值小于或等于预设的第二电压值 则执行步骤 S 2 4 ； 若检测到的电流值小于预设的第二电流值 或检测到的电压值大于预设的第二电压值 则执行步骤 S 2 5 。
S 2 4 、以第一充电方式对所述电子烟进行充电，并执行步骤 S 2 6 。
S 2 5 、以第二充电方式对所述电子烟进行充电，并执行步骤 S 2 6 。
S 2 6 、检测充电过程中的电流值，若检测到的电流值小于预设的第三电流值时，停止对所述电子烟的充电。
优选的，步骤 S 2 4 中的第一充电方式为采用恒流加最大 4.2V 限压充电的充电方式。步骤 S 2 5 中的第二充电方式为采用 5V 电压充电的充电方式。步骤 S 2 1 中的预设的第一电压为 5V 、预设时间长度为 1 秒、预设的第一电流值大于电子烟恒流充电的电流值。步骤 S 2 3 中预设的第二电流值大于电子烟恒流充电的电流值。步骤 S 2 6 中的预设的第三电流值可取 10mA 。
在本发明 第二 实施例的电子烟的充电方法中，还包括当以第一充电方式或第二充电方式对待充电电子烟进行充电时，进行电压和电流检测，当检测到的电压和电流超过预设的阈值时，停止充电以保护充电电路。
在本发明的 第二 实施例中的电子烟的充电方法中，首先通过执行步骤 S 2 1 、 S 2 2 和 S 2 3 以判断待充电电子烟是否有充电管理电路。优选的，该判断的方式如下：先以 5V 限流 A1 （优选的，可设置 A1=1 安，且 A1 应远大于常规电子烟充电管理电路的恒流充电电流 A2 ，即 A1≥2A2 ）对待充电电子烟充电 1 秒。在充电的过程中，检测充电时的电流 A3 和 / 或电压 U1 ，并将 A3 与 A2 进行比较 或将 U1 与预设的第二电压值 U2 进行比较 。若 A3≥(1+50%)A2 或 U1 ≤ U2 ，则说明待充电电子烟没有充电管理电路； 若 A3<(1+50%)A2 或 U1>U2 ， 则说明待充电电子烟有充电管理电路。因为，若待充电电子烟有充电管理电路，则在以预设的第一电压，例如 5 V ，且限流为第一电流值进行充电时，检测到的充电电流 A3 不会出现较大变化（即检测到的电流将小于预设的第二电流值） ，而检测到的电压 U1 会出现变化（即检测到的电压将大于预设的第二电压值） 。
因此，通过执行步骤 S 2 1 、 S 2 2 和 S 2 3 可判断出待充电电子烟是否有充电管理电路。若电子烟含有充电管理电路，则对电子烟盒充电电池电压进行升压后，采用 5V 电压充电的充电方式对电子烟充电；若电子烟没有充电管理电路，则采用恒流加最大 4.2V 限压充电的充电方式对电子烟充电。且在充电的过程中，继续对充电电流 A3 进行检测，当检测到的电流 A3 小于或等于预设的第三电流值，例如 10mA 时，将停止对电子烟的充电。
在本发明实施例的电子烟盒及电子烟充电方法中，通过检测待充电电子烟是否有充电管理电路，并根据不同的电子烟自动选择充电方式，使得电子烟盒可兼容给不同的电子烟充电；使得用户使用方便，同时降低成本，能提升用户体验，更好满足用户的消费需求。
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，这些均属于本发明的保护之内。

Claims (18)

  1. 一种电子烟的充电方法，其特征在于，包括：
    以预设的第一电压对所述电子烟充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值；
    在所述预设时间长度的充电过程中检测充电电流和 / 或电压，并根据所检测的电流和 / 或电压值，选择不同的充电方式对所述电子烟充电。
  2. 根据权利要求 1 所述的充电方法，其特征在于， 所述 充电方式 包括第一充电方式和第二充电方式，当 检测到的电流值大于或等于预设的第二电流值 ，或检测到的电压值小于或等于预设的第二电压值时，选择 第一充电方式对所述电子烟进行充电 ；
    当 检测到的电流值小于预设的第二电流值 ，或检测到的电压值大于预设的第二电压值时，选择 第二充电方式对所述电子烟进行充电 。
  3. 根据权利要求 2 所述的充电方法，其特征在于，所述第一充电方式为采用恒流加最大 4.2V 限压充电的充电方式。
  4. 根据权利要求 2 所述的充电方法，其特征在于，所述第二充电方式为采用 5V 电压充电的充电方式。
  5. 根据权利要求 2 所述的充电方法，其特征在于，所述预设的第二电流值大于电子烟恒流充电的电流值。
  6. 根据权利要求 2 所述的充电方法，其特征在于，所述方法还包括： 在以第一充电方式或第二充电方式对电子烟进行充电的过程中，检测充电电流值，当检测到的电流值小于预设的第三电流值时，停止对所述电子烟的充电。
  7. 根据权利要求 1 所述的充电方法，其特征在于，所述预设的第一电压为 5V 。
  8. 根据权利要求 1 所述的充电方法，其特征在于，所述预设时间长度为 1 秒。
  9. 根据权利要求 1 所述的充电方法，其特征在于，所述预设的第一电流值大于电子烟恒流充电的电流值。
  10. 一种电子烟盒，用于给电子烟充电，其特征在于，所述电子烟盒包括：
    微处理器、分别与所述微处理器和所述电子烟连接的充电检测模块、分别与所述微处理器以及所述电子烟连接的电子烟充电模块；
    所述微处理器用于控制所述电子烟充电模块 以预设的第一电压对所述电子烟充电一预设时间长度，且在充电过程中将充电电流的最大值限定为预设的第一电流值 ；
    所述充电检测模块用于 在所述预设时间长度的充电过程中检测充电电流 和 / 或电压 ；
    所述微处理器还用于 根据所检测的电流和 / 或电压值，控制所述电子烟充电模块选择不同的充电方式对所述电子烟充电。
  11. 根据权利要求 10 所述的电子烟盒，其特征在于， 所述 充电方式 包括第一充电方式和第二充电方式，当所述 充电检测模块 检测到的电流值大于或等于预设的第二电流值 ，或所述 充电检测模块 检测到的电压值小于或等于预设的第二电压值时，所述微处理器控制所述电子烟充电模块选择 第一充电方式对所述电子烟进行充电 ；
    当所述 充电检测模块 检测到的电流值小于预设的第二电流值 ，或所述 充电检测模块 检测到的电压值大于预设的第二电压值时，所述微处理器控制所述电子烟充电模块选择 第二充电方式对所述电子烟进行充电。
  12. 根据权利要求 11 所述的电子烟盒，其特征在于， 所述第一充电方式为采用恒流加最大 4.2V 限压充电的充电方式。
  13. 根据权利要求 11 所述的电子烟盒，其特征在于，所述第二充电方式为采用 5V 电压充电的充电方式。
  14. 根据权利要求 11 所述的电子烟盒，其特征在于，所述 充电检测模块还用于当所述电子烟充电模块以第一充电方式或第二充电方式对所述电子烟充电的过程中，检测充电电流；
    所述微处理器还用于将充电检测模块在电子烟充电模块进行充电的过程中检测到的电流值和预设的第三电流值进行比较，若所述比较的结果为检测到的电流值小于预设的第三电流值，则控制所述电子烟充电模块停止给所述电子烟充电。
  15. 根据权利要求 10 所述的电子烟盒，其特征在于，所述电子烟盒还包括升压模块和充电电池，所述升压模块用于对所述 充电电池的电压进行升压以给所述电子烟充电。
  16. 根据权利要求 15 所述的电子烟盒，其特征在于，所述电子烟盒还包括：低压检测模块、过流检测模块、过压检测模块、充电模块、充电管理模块；
    低压检测模块，用于对电子烟盒中的充电 电池 电压 进行 检测并将电压检测结果传送给微处理器，当电压检测的结果低于预设的电压值时，微处理器控制充电电路断开；
    过流检测模块，用于对电子烟盒中的充电电路进行电流检测并将电流 检测结果传送给微处理器 ， 当 电流 检测的结果 高 于预设的 电流 值时，微处理器控制充电电路断开；
    过压检测模块，用于对电子烟盒中的充电电路进行电压检测并将电压检测结果传送给微处理器 ， 当电压检测的结果 高 于预设的电压值时，微处理器控制充电电路断开；
    充电模块，用于与外部充电电源相连接，为电子烟盒 的充电电池 充电；
    充电管理模块，用于 对 外部充电电源对电子烟盒充电电池的充电过程进行管理，使对充电电池的充电的方式为恒流 / 恒压模式。
  17. 根据权利要求 10 所述的电子烟盒，其特征在于，所述预设的第一电流值大于电子烟恒流充电的电流值。
  18. 根据权利要求 10 所述的电子烟盒，其特征在于，所述预设的第二电流值大于电子烟恒流充电的电流值。
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