WO2015003338A1 - 一种用于电子烟盒的控制电路及其控制方法 - Google Patents

一种用于电子烟盒的控制电路及其控制方法 Download PDF

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Publication number
WO2015003338A1
WO2015003338A1 PCT/CN2013/079114 CN2013079114W WO2015003338A1 WO 2015003338 A1 WO2015003338 A1 WO 2015003338A1 CN 2013079114 W CN2013079114 W CN 2013079114W WO 2015003338 A1 WO2015003338 A1 WO 2015003338A1
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WIPO (PCT)
Prior art keywords
battery
module
charging
signal
control
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Application number
PCT/CN2013/079114
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English (en)
French (fr)
Inventor
向智勇
Original Assignee
吉瑞高新科技股份有限公司
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Priority to PCT/CN2013/079114 priority Critical patent/WO2015003338A1/zh
Publication of WO2015003338A1 publication Critical patent/WO2015003338A1/zh

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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
    • A24F40/90—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
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • 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
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H02J7/0049—Detection of fully charged condition

Definitions

  • the invention relates to an electronic cigarette, in particular to a control circuit for an electronic cigarette case and a control method thereof.
  • the prior art electronic cigarette case mainly supplies power from the DC power port to the electronic cigarette case, and controls the battery in the cigarette case or the electronic cigarette battery rod inserted into the cigarette case through the control module in the cigarette case, or the cigarette case battery passes through the cigarette case.
  • the control module controls charging of the electronic cigarette battery rod inserted into the cigarette case. Therefore, the prior art electronic cigarette case has a single function. First, it cannot indicate the specific battery power information well, and can not give a good reminder when the connection is loaded without connecting the DC power supply and the battery voltage is too low. Second, there is a lack of protection measures inside the electronic cigarette case.
  • the technical problem to be solved by the present invention is to provide a comprehensive indication of the charge and discharge state of the electronic cigarette case and a method for providing various protection circuits for the defects of the prior art electronic cigarette case having a single function.
  • the technical solution adopted by the present invention to solve the technical problem is: constructing a control circuit for the electronic cigarette case, comprising a charging management module, a built-in battery, a control module, a boosting module, and a battery voltage detecting module and a load detecting module And indicator module,
  • the control module is respectively connected to the charging management module, the built-in battery, the boosting module, the battery voltage detecting module, the indicating module, and the load detecting module, and the built-in battery and the boosting module are also simultaneously connected to the charging management module.
  • the battery voltage detecting module is further connected to the built-in battery;
  • the charging management module is configured to provide a charging voltage when the external power source is accessed, use the charging voltage to charge the internal battery and send a battery charging signal to the control module; the internal battery is used in the absence of the external The charging voltage is directly provided when the power is turned on;
  • the battery voltage detecting module is configured to detect a battery voltage of the built-in battery in real time, and send a battery voltage signal to the control module;
  • the load detection module is configured to detect whether a charging load is accessed in real time, and send a load detection signal to the control module;
  • the control module is configured to control, according to the battery voltage signal, the load detection signal, and the battery charging signal, the boosting module to adjust the charging voltage to charge the charging load and control the indicating module to perform a charging state. real-time display.
  • the load detection signal includes a load insertion signal and a load extraction signal
  • the charging state includes a battery for indicating a battery level of the internal battery a power level signal, a battery charging signal for indicating that the built-in battery is in a charging state, a battery full charging signal for indicating that the built-in battery is fully charged, a battery low voltage signal for indicating that the built-in battery voltage is too low, A battery discharge signal for indicating that the internal battery is in a discharged state.
  • the control module is configured to receive the battery charging signal when an external power source is connected; and to receive the battery voltage signal, and calculate the battery power according to the battery voltage signal to control the indication
  • the module displays the battery power level signal
  • the control module is further configured to control, according to whether the battery power reaches a full charge condition, the indication module to display the battery full charge signal or the battery charge medium signal;
  • the control module is further configured to control an operating state of the boosting module according to the received load insertion signal or load extraction signal.
  • control module when no external power source is connected, the control module is configured to receive the battery voltage signal, and calculate the battery according to the battery voltage signal.
  • the power quantity further controls the indication module to display the battery power level signal;
  • the control module is further configured to: when the battery voltage signal is less than a preset low voltage value, control the indication module to display the battery low voltage signal and control the boost module to stop working;
  • the control module is further configured to control an operating state of the boosting module and a control station according to the received load insertion signal or load extraction signal when the battery voltage signal is greater than or equal to the preset low voltage value.
  • the indication module indicates whether the battery discharge signal is displayed.
  • the electronic cigarette case further includes a charging interface module, the charging interface module is connected to the boosting module and a charging load, and the charging interface module comprises Battery rod connector and Micro-USB interface.
  • a battery protection module is further included, the battery protection module is connected to the internal battery, and the battery protection module is used to perform the built-in battery Stream protection.
  • the electronic cigarette case further includes an overcurrent full power detection module.
  • the overcurrent full power detection module is respectively connected to the control module and the charging interface module;
  • the overcurrent full power detection module is configured to detect a load charging current of a charging load connected to the charging interface module during charging, and the control module controls an operating state of the boosting module according to the load charging current Further adjusting the current of the charging load or controlling the boosting module to stop operating when it is determined that the charging load is fully charged according to the load charging current.
  • control module includes a microprocessor, and the type of the microprocessor is HT462065.
  • the indication module includes at least one first for displaying the battery charging signal or the battery full charge signal or the battery low voltage signal or the battery discharge signal. a light emitting diode and at least one second light emitting diode for indicating the battery power level signal.
  • the load detecting module includes a key switch and a trigger switch
  • the button switch is grounded at one end and connected to the microprocessor at the other end;
  • the trigger switch is connected to one end of the cigarette case at one end and to the microprocessor at the other end;
  • the push button switch is configured to detect insertion and extraction of the charging load accessed through the Micro-USB interface, and the trigger switch is configured to detect insertion of the charging load accessed through the battery rod interface Pull out.
  • the battery voltage detecting module includes a first voltage dividing resistor and a second voltage dividing resistor;
  • the first voltage dividing resistor is connected to the charger control circuit chip at one end, and the other end is connected to the microprocessor through the second voltage dividing resistor, the first voltage dividing resistor and the second voltage dividing resistor An electrical connection is made to the microprocessor.
  • the charge management module includes a fuse, a voltage regulator tube, a first transistor, a first MOS tube, and a charger control circuit chip.
  • One end of the fuse is connected to the external power source, and the other end is connected to a negative pole of the Zener tube, and a positive pole of the Zener tube is connected to a base of the first transistor through a first resistor, the first a collector of a triode is connected to a gate of the first MOS transistor through a third resistor, an emitter of the first triode and a source of the first MOS transistor being grounded, the first MOS transistor The drain is connected to the charger control circuit chip through a fifth resistor;
  • the fuse is used for overcurrent protection; the voltage regulator tube is used to stabilize the input voltage, and when the voltage regulator tube breaks down, the first transistor is turned on to cause the first MOS transistor to be turned off. The connection of the external power source is then disconnected to protect the circuit.
  • the battery protection module includes a protection control chip and a switch chip;
  • the protection control chip is configured to control the opening of the switch chip according to the detected current flowing through the switch chip to control whether the internal battery operates.
  • the overcurrent full power detection module includes a current sampling resistor
  • the current sampling resistor is grounded at one end and connected to the negative pole of the cigarette case at the other end, and the other end of the current sampling resistor is further connected to the microprocessor through a resistor.
  • the boosting module includes an inductor, a boost control chip, a diode, a second triode, and a second MOS transistor.
  • a base of the second transistor is connected to the microprocessor through a resistor, an emitter of the second transistor is grounded, and a collector of the second transistor is connected to the second MOS a gate of the tube, a source of the second MOS transistor receives the charging voltage through a resistor, and a drain of the second MOS transistor is connected to the inductor
  • a boost control chip is configured to perform a boosting process on the charging voltage
  • the second transistor is configured to receive a control signal of the microprocessor through a base, control on and off of the second transistor, and thereby control on and off of the second MOS transistor.
  • the invention also discloses a control method for a control circuit of an electronic cigarette case, the method comprising the following steps:
  • the battery voltage detecting module detects the battery voltage of the built-in battery in real time, and sends a battery voltage signal to the control module;
  • the load detection module detects whether there is charging load access in real time, and sends a load detection signal to the control module;
  • the control module controls the boosting module to adjust the charging voltage to charge the charging load according to the battery voltage signal, the load detection signal, and the battery charging signal, and control the indication module to display the charging state.
  • the step S1 specifically includes:
  • the battery voltage detecting module detects the battery voltage of the built-in battery in real time, and sends a battery voltage signal to the control module;
  • the load detection module detects whether there is charging load access in real time, and sends a load detection signal to the control module;
  • the step S2 specifically includes:
  • the control module receives the battery charging signal and the battery voltage signal, and calculates the battery power according to the battery voltage signal to control the indication module to display the battery power level signal;
  • the control module controls the indication module to display the battery full charge signal or the battery charge signal according to whether the battery power reaches a full charge condition
  • the control module further controls an operating state of the boosting module according to the received load insertion signal or load extraction signal.
  • the step S1 specifically includes:
  • the battery voltage detecting module detects the battery voltage of the built-in battery in real time, and sends a battery voltage signal to the control module;
  • the load detection module detects whether there is charging load access in real time, and sends a load detection signal to the control module;
  • the step S2 specifically includes:
  • the control module receives the battery voltage signal, and calculates the battery power according to the battery voltage signal to control the indication module to display the battery power level signal;
  • the control module controls the indication module to display the battery low voltage signal and control the boost module to stop working when the battery voltage signal is less than a preset low voltage value, and the control module is configured to have the battery voltage signal greater than or equal to And when the preset low voltage value is preset, controlling an operating state of the boosting module and controlling whether the indicating module displays the battery discharging signal according to the received load insertion signal or the load unplugging signal.
  • a control circuit for an electronic cigarette case and a control method thereof for implementing the present invention have the following beneficial effects: a control circuit for an electronic cigarette case has a charging management module, a built-in battery, a control module, a boosting module, and a battery a voltage detecting module, a load detecting module and an indicating module, wherein the control module controls the boosting according to the battery voltage signal detected by the battery voltage detecting module, the load detecting signal detected by the load detecting module, and the battery charging signal sent by the charging management module. The module adjusts the charging voltage provided by the charging management module live battery to charge the charging load, and the control indicating module displays the charging state.
  • the display mode can be customized, the charging interface is diverse, and the charging insertion detecting function and the charging extraction detecting function are also provided, and the charging management module of the present invention has both charging management.
  • the function also provides overvoltage protection, and protects the built-in battery during charging.
  • the control circuit also has output short-circuit protection.
  • the invention provides a multifunctional control circuit for an electronic cigarette case and a control method thereof, which meet the needs of consumers.
  • FIG. 1 is a schematic structural view of a control circuit for an electronic cigarette case according to the present invention
  • FIG. 2 is a schematic diagram of a specific circuit of the control module, the load detection module, and the indication module of FIG. 1;
  • FIG. 3 is a schematic diagram of a specific circuit of the battery voltage detecting module of FIG. 1;
  • FIG. 4 is a schematic diagram of a specific circuit of the charging management module of FIG. 1;
  • FIG. 5 is a schematic diagram of a specific circuit of the battery protection module of FIG. 1;
  • FIG. 6 is a schematic circuit diagram of the overcurrent full power detection module of FIG. 1;
  • FIG. 7 is a schematic diagram of a specific circuit of the boosting module of FIG. 1.
  • the present invention provides a control circuit for an electronic cigarette case, including a charging management module 100, a built-in battery 300, a control module 200, and a boosting module 400, in addition to the disadvantages of the single function of the electronic cigarette case in the prior art.
  • the battery voltage detecting module 600, the load detecting module 900, and the indicating module 800 may further include a charging interface module 90, a battery protection module 500, and an overcurrent full power detecting module 700.
  • the control module 200 is respectively connected to the charging management module 100, the built-in battery 300, the boosting module 400, the battery voltage detecting module 600, the indicating module 800, the load detecting module 900, and the overcurrent full detecting module 700.
  • the built-in battery 300 and the boosting module 400 are also simultaneously connected to the charging management module 100, the battery voltage detecting module 600 is also connected to the built-in battery 300; the charging interface module 90 is connected to the boosting module 400 and the charging load, and the battery protection
  • the module 500 is connected to the built-in battery 300, and the overcurrent full power detection module 700 is also connected to the charging interface module 90;
  • the charging management module 100 is configured to provide a charging voltage when the external power source 80 is accessed, and simultaneously charge the internal battery 300 by using the charging voltage and send a battery charging signal to the control module 200; Providing the charging voltage directly when the external power source 80 is not connected;
  • the battery voltage detecting module 600 is configured to detect the battery voltage of the built-in battery 300 in real time, and send a battery voltage signal to the control module 200.
  • the load detecting module 900 is configured to detect whether a charging load is accessed in real time, and send a load detection signal.
  • the load detection signal includes a load insertion signal and a load extraction signal;
  • the control module 200 is configured to control the boosting module 400 to adjust the charging voltage according to the battery voltage signal, the load detection signal, and the battery charging signal to charge the charging load and control the indicating module 800 to display the charging state in real time.
  • the charging state includes a battery power level signal for indicating the battery power of the internal battery 300, a battery charging signal for indicating that the internal battery 300 is in a charging state, and a battery for indicating that the internal battery 300 is fully charged. a full charge signal, a battery low voltage signal for indicating that the built-in battery 300 is under voltage, and a battery discharge signal for indicating that the internal battery 300 is in a discharged state;
  • the charging management module 100 adjusts and outputs the external power source 80 as a charging voltage, while charging the internal battery 300 by using the charging voltage, and transmitting a battery charging signal to the control module 200;
  • the control module 200 is configured to receive the battery voltage signal, and calculate the battery power according to the battery voltage signal to control the indication module 800 to display the battery power level signal; the control module 200 is further configured according to the Whether the battery power reaches the full charge condition control, the indication module 800 displays the battery full charge signal or the battery charge medium signal;
  • the control module 200 is further configured to control an operating state of the boosting module 400 according to the received load insertion signal or load extraction signal. Because the control module 200 can determine that the external power source 80 is connected under the condition of the received battery charging signal, it is not necessary to determine whether the built-in battery 300 is at a low voltage, because the charging load is provided through the external power source 80 at this time. The charging voltage does not cause a low voltage discharge of the internal battery 300.
  • the control module 200 is configured to receive the battery voltage signal, and calculate the battery power according to the battery voltage signal to control the indication module 800 to display the battery power level signal;
  • the control module 200 is further configured to: when the battery voltage signal is less than a preset low voltage value, control the indication module 800 to display the battery low voltage signal and control the boost module 400 to stop working;
  • the control module 200 is further configured to control an operating state of the boosting module 400 and a control station according to the received load insertion signal or load extraction signal when the battery voltage signal is greater than or equal to a preset low voltage value. Whether the indicator module 800 displays the battery discharge signal. Specifically, when the battery voltage signal is greater than or equal to a preset low voltage value and receives a load insertion signal, the boost module 400 is controlled to operate and the indicator module 800 is controlled to display the battery discharge signal at the battery voltage. When the signal is greater than or equal to the preset low voltage value and the load pullout signal is received, the boost module 400 is controlled to be inoperative and the indicator module 800 is controlled to no longer display the battery discharge signal.
  • the indicator module 800 of the present invention provides indications for various operating states or abnormal states, and the display mode can be customized.
  • the load detection module 900 provides a charge insertion detection function and a charge extraction detection function.
  • the charging management module 100 of the present invention has both a charging management function and an overvoltage protection.
  • the charging interface module 90 includes a battery rod interface 91 and a Micro-USB interface 92.
  • the Micro-USB interface 92 is added to the existing battery rod interface 91, so that the electronic cigarette case is provided on the basis of charging the battery rod. More conveniences, such as 5V for mobile phone batteries, etc.
  • the DC charges the charged Micro-USB interface.
  • the battery protection module 500 is used to provide a circuit protection function for the battery 300 built in the cigarette case, particularly the output short circuit protection function of the built-in battery 300.
  • the overcurrent full power detection module 700 is configured to detect a load charging current of the charging load connected to the charging interface module during charging, and the control module 200 controls the working state of the boosting module 400 according to the load charging current, thereby adjusting the current of the charging load. Or controlling the boosting module 400 to stop operating when it is determined that the charging load is fully charged according to the load charging current. For example, if the current of the charging load is too large, the overcurrent full power detecting module 700 will detect that the load charging current is too large, and the control module 200 immediately controls the boosting module 400 to lower the voltage for charging the charging load to ensure the charging load.
  • the current is not too large; if the charging load is fully charged, the current flowing into the overcurrent detection module 700 will be small, and the overcurrent detection module 700 will detect that the load charging current is small, then the control module 200 immediately controls the boost module 400 to stop working and no longer charges the charging load.
  • the supply node of the charging voltage is collectively named as the positive battery.
  • FIG. 2 is a schematic diagram of a specific circuit of the control module, the load detection module, and the indication module of FIG. 1;
  • Control module 200 includes a microprocessor U4.
  • the model of the microprocessor U4 is not fixed and can be a common control microprocessor on the market.
  • the model of the microprocessor U4 is preferably HT462065.
  • the VDD pin of the microprocessor U4 is directly connected to the positive terminal of the battery, the VDD pin is also grounded through the capacitor C14, the AN1 pin is connected to the 2.5V electrical signal, and the VSS pin is grounded.
  • the indication module 800 includes at least one first light emitting diode for displaying the battery charging signal or the battery full charge signal or the battery low voltage signal or the battery discharge signal, and at least one for indicating the battery power level signal.
  • the second light emitting diode is not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, a light emitting diode.
  • first light-emitting diode LED1 and three second light-emitting diodes LED2 ⁇ LED4 are preferred.
  • the first light-emitting diode LED1 is a red light-emitting diode
  • the second light-emitting diodes LED2 ⁇ LED4 are blue light-emitting diodes.
  • the negative poles of the LEDs LED1 ⁇ LED4 are respectively connected to the PB0 ⁇ PB3 pins of the microprocessor U4 through the resistors R25 ⁇ R28, and the anodes of the LEDs LED1 ⁇ LED4 are connected to the positive pole of the battery.
  • the high frequency range is greater than 4, and the preferred 5 in this embodiment is 5 times per second, the first illumination.
  • the diode LED1 When the diode LED1 is used to indicate the battery full charge signal, it will always emit light and not blink.
  • the first light-emitting diode LED1 will blink at a low frequency when used to indicate the low-voltage signal of the battery, and the high-frequency range is less than 0.5, in this embodiment.
  • 0.5 that is, blinking once every 2 seconds, the first light-emitting diode LED1 blinks at a low frequency when used to indicate a battery discharge signal, and the brightness is gradually weakened during the entire flashing process.
  • the second light-emitting diodes LED2 ⁇ LED4 display corresponding quantities according to the power level corresponding to the charging voltage. For example, in the present invention, when the battery power corresponding to the battery voltage reaches 30%, then a second light-emitting diode LED2 is controlled to be bright, and when the battery voltage corresponding to the battery voltage reaches 60%, then two second light-emitting two are controlled. The tube LED2 and LED3 are lit at the same time, and so on. As such, the indicator module 800 of the present invention provides LED indications for various operating states or abnormal states, and the display mode can be customized.
  • the load detection module 900 includes a key switch K1 and a trigger switch K2.
  • One end of the key switch K1 is grounded, the other end is connected to the RES pin of the microprocessor U4, and the other end is also connected to the positive pole of the battery through a resistor R21.
  • the end of the trigger switch K2 is connected to the smoke.
  • the negative terminal OUT- the other end is connected to the pin PA6 of the microprocessor U4, and the other end is also connected to the positive electrode of the battery through the resistor R22;
  • the key switch K1 is used to detect the insertion and removal of the charging load accessed through the Micro-USB interface 92, and the trigger switch K2 is used to detect the insertion and removal of the charging load accessed through the battery rod interface 91.
  • the load detection module 900 provides a charge insertion detection function and a charge extraction detection function.
  • FIG. 3 is a schematic diagram of a specific circuit of the battery voltage detecting module of FIG. 1;
  • the battery voltage detecting module 600 includes a first voltage dividing resistor R6, a second voltage dividing resistor R7, and a filter capacitor C4;
  • the first voltage dividing resistor R6 is connected to the positive pole of the battery, and the other end is connected to the PC3 pin of the microprocessor U4 through the second voltage dividing resistor R7, and the electrical connection of the first voltage dividing resistor R6 and the second voltage dividing resistor R7 is connected.
  • the filter capacitor C4 is connected in parallel across the second voltage dividing resistor R7.
  • FIG. 4 is a schematic diagram of a specific circuit of the charging management module of FIG. 1;
  • the charging management module 100 includes a fuse F1, a Zener diode Z1, a first transistor Q1, a first MOS transistor Q2, and a charger control circuit chip U1.
  • the model of the charger control circuit chip U1 is VA7204.
  • the LED pin of the charger control circuit chip U1 is connected to the PWM pin of the microprocessor U4, the CHRG pin is connected to the PA5 pin of the microprocessor U4, the BAT pin is grounded through a capacitor C3, and the BAT pin outputs the above charging.
  • the voltage and BAT pin are connected to the positive terminal of the internal battery 300, which is the positive electrode of the aforementioned battery.
  • One end of the fuse F1 is connected to the VCC pin of the power interface L1 of the external power source 80, the other end is connected to the VCC pin of the charger control circuit chip U1, and the other end is also connected to the negative pole of the Zener diode Z1.
  • the anode of the pressure tube Z1 is connected to the base of the first transistor Q1 through a first resistor R1, and the collector of the first transistor Q1 is connected to the gate of the first MOS transistor Q2 through a third resistor R3.
  • the gate of a MOS transistor Q2 is also connected to the VCC pin of the charger control circuit chip U1 through a resistor R4, the emitter of the first transistor Q1 and the source of the first MOS transistor Q2 are grounded, and the first transistor Q1 A parallel branch composed of a capacitor C1 and a resistor R2 is further connected between the base and the emitter, and the drain of the first MOS transistor Q2 is connected to the PROG pin of the charger control circuit chip U1 through the fifth resistor R5, and is charged.
  • the VCC pin of the control circuit chip U1 is also connected to the drain of the first MOS transistor Q2 through a capacitor C2.
  • the fuse F1 is used for overcurrent protection; the Zener diode Z1 is used to stabilize the input voltage, and when the Zener diode Z1 breaks down, the first transistor Q1 is turned on to cause the first MOS transistor Q2 to be turned off, thereby making the external power supply
  • the 80 connection is broken to protect the circuit.
  • the charge management module 100 of the present invention has both a charge management function and overvoltage protection.
  • FIG. 5 is a schematic diagram of a specific circuit of the battery protection module of FIG. 1;
  • the battery protection module 500 includes a protection control chip U3, a switch chip U5, a filter capacitor C12, a resistor R19, and a resistor R20;
  • the model of the protection control chip U3 is S-8241.
  • the switch chip U5 includes an integrated N-MOS transistor and an on/off MOS transistor.
  • resistor R19 One end of the resistor R19 is connected to the positive pole of the inner battery, the other end is connected to the negative capacitor of the internal battery 300, and the resistor R20 is connected to the VM pin of the protection control chip U3 and the S2 pin of the switch chip U5, and the resistor R20 is used for preventing current. Reverse string.
  • the protection control chip U3 is configured to control the on/off of the on/off MOS tube according to the detected current flowing through the integrated N-MOS transistor, thereby controlling whether the internal battery 300 operates, and thus, the battery protection module 500 of the present invention provides The circuit protection function of the built-in battery 300 of the cigarette case, in particular, the protection function of the built-in battery 300, the overcurrent prevention and the short circuit prevention during input; the protection control chip U3 also has the function protection against overcharging and overdischarging of the battery.
  • the protection control chip U3 is configured to control the opening of the switch chip U5 according to the detected current flowing through the switch chip U5 to control whether the internal battery 300 operates.
  • the battery protection module 500 of the present invention provides the circuit of the battery 300 of the cigarette case. Protection function, especially the output short circuit protection function of the built-in battery 300.
  • FIG. 6 is a schematic circuit diagram of the overcurrent full power detection module of FIG. 1;
  • the overcurrent full power detection module 700 includes a current sampling resistor R18 and a resistor R17;
  • the current sampling resistor R18 is grounded at one end, and the other end is connected to the negative terminal OUT- of the cigarette case.
  • the other end of the current sampling resistor R18 is also connected to the AN3 pin of the microprocessor U4 through a resistor R17.
  • the control module 200 immediately controls the boosting module 400 to lower the voltage for charging the charging load, so that the current of the charging load is not excessively large. If the charging load is fully charged, the current flowing into the current sampling resistor R18 is small, and the control module 200 immediately controls the boosting module 400 to stop operating.
  • FIG. 7 is a schematic diagram of a specific circuit of the boosting module of FIG. 1.
  • the boosting module 400 mainly includes an inductor L, a boosting control chip U2, a diode D1, a second transistor Q3, and a second MOS transistor Q4.
  • the model of the boost control chip U2 is CP2121.
  • the EN pin of the boost control chip U2 is connected to the PC0 pin of the microprocessor U4 for receiving a control signal from the microprocessor.
  • the base of the second transistor Q3 is connected to the PC0 pin of the microprocessor U4 through a resistor R11, the base of the second transistor Q3 is also grounded via a resistor R10, and the emitter of the second transistor Q3 is grounded.
  • the collector of the second transistor Q3 is connected to the gate of the second MOS transistor Q4, and the collector of the second transistor Q3 is also connected to the source of the second MOS transistor Q4 via the resistor R9, and the second MOS transistor Q4
  • the source is connected to the positive pole of the battery through a resistor R8, that is, the BAT pin of the charger control circuit chip U1, for receiving the charging voltage.
  • the BAT pin of the charger control circuit chip U1 also passes through two capacitors C5 ⁇ C6 respectively.
  • the branch is grounded, the drain of the second MOS transistor Q4 is connected to the SW pin of the boost control chip U2 through the inductor L, the anode of the diode D1 is connected to the SW pin, and the cathode of the diode D1 is used as the positive terminal OUT+ of the cigarette case, and the diode D1
  • the negative poles are grounded through three capacitors C7 ⁇ C9, and the cathode of diode D1 is connected in series through resistor R13 and resistor R14.
  • the electrical connection between resistor R13 and resistor R14 is connected to the FB pin of charger control circuit chip U1.
  • the AN0 pin of the microprocessor U4 is connected in series through the resistor R15 and the resistor R16, and the electrical connection of the resistor R15 and the resistor R16 serves as the cathode negative terminal OUT-.
  • the boost control chip U2 is configured to perform a boosting process on the charging voltage
  • the second transistor Q3 is configured to receive the control signal of the microprocessor U4 through the base, control the conduction and the off of the second transistor Q3, thereby controlling the conduction and the cutoff of the second MOS transistor Q4, thereby implementing the control rise. Whether the pressure module 400 is working.
  • the invention also provides a control method for a control circuit of an electronic cigarette case, the method comprising the following steps:
  • a charging voltage is generated from the charging management module 100 or the built-in battery 300 according to whether an external power source is connected. If a charging voltage is generated from the charging management module 100, a battery charging signal is simultaneously sent to the control module 200. ;
  • the battery voltage detecting module 600 detects the battery voltage of the built-in battery 300 in real time, and sends a battery voltage signal to the control module 200;
  • the load detection module 900 detects whether there is charging load access in real time, and sends a load detection signal to the control module 200;
  • the control module 200 controls the boosting module 400 to adjust the charging voltage to charge the charging load according to the battery voltage signal, the load detection signal, and the battery charging signal, and simultaneously control the charging of the indicating module 800.
  • the status is displayed.
  • the step S1 specifically includes:
  • the battery voltage detecting module 600 detects the battery voltage of the built-in battery 300 in real time, and sends a battery voltage signal to the control module 200;
  • the load detection module 900 detects whether there is charging load access in real time, and sends a load detection signal to the control module 200;
  • the step S2 specifically includes:
  • the control module 200 receives the battery charging signal and the battery voltage signal, and calculates the battery power according to the battery voltage signal to control the indication module 800 to display the battery power level signal;
  • the control module 200 controls the indication module 800 to display the battery full charge signal or the battery charge signal according to whether the battery power reaches a full charge condition: specifically, when the battery power reaches a full charge condition, the control station The indication module 800 displays the battery full charge signal, and when the full charge condition is not reached, the indication module 800 is controlled to display the battery charging signal;
  • the control module 200 further controls an operating state of the boosting module 400 according to the received load insertion signal or load extraction signal: specifically, when the received load insertion signal is received, the boosting is controlled.
  • the module 400 operates to control the boost module 400 to stop operating when the received load pullout signal is received.
  • the step S1 specifically includes:
  • the battery voltage detecting module 600 detects the battery voltage of the built-in battery 300 in real time, and sends a battery voltage signal to the control module 200;
  • the load detection module 900 detects whether there is charging load access in real time, and sends a load detection signal to the control module 200;
  • the step S2 specifically includes:
  • the control module 200 receives the battery voltage signal, and calculates the battery power according to the battery voltage signal to control the indication module 800 to display the battery power level signal;
  • the control module 200 controls the indication module 800 to display the battery low voltage signal and control the boost module 400 to stop working when the battery voltage signal is less than a preset low voltage value;
  • the control module 200 controls the working state of the boosting module 400 and controls the indicating module according to the received load insertion signal or the load pullout signal when the battery voltage signal is greater than or equal to a preset low voltage value. 800 whether the battery discharge signal is displayed: specifically, when the received load insertion signal is received, the boosting module 400 is controlled to operate, and when the received load extraction signal is received, the boosting module is controlled. 400 stopped working.

Abstract

一种用于电子烟盒的控制电路及其控制方法，控制电路具有充电管理模块（100）、内置电池（300）、控制模块（200）、升压模块（400）、电池电压检测模块（600）、负载检测模块（900）和指示模块（800），控制模块（200）根据电池电压检测模块（600）检测到的电池电压信号、负载检测模块（900）检测到的负载检测信号以及充电管理模块发送的电池充电信号，控制升压模块（400）对充电管理模块活内置电池提供的充电电压进行调整向充电负载充电，同时控制指示模块（800）对充电状态进行显示，提供各种工作状态或异常状态的指示，充电接口多样，提供充电插入检测以及充电拔出检测功能，而且充电过程中对内置电池进行保护，控制电路中还具有输出短路保护功能。

Description

一种用于电子烟盒的控制电路及其控制方法 技术领域
本发明涉及电子烟，尤其涉及一种用于电子烟盒的控制电路及其控制方法。
背景技术
现有技术电子烟盒主要是由DC电源端口向电子烟盒供电，经烟盒内控制模块控制向烟盒内电池或插入烟盒的电子烟电池杆充电，或由烟盒电池经烟盒内控制模块控制向插入烟盒的电子烟电池杆充电。故现有技术电子烟盒功能单一，一是不能很好的指示出具体的电池的电量信息，且不能在连接上负载而又没有连接DC电源且电池电压过低时，给予很好的提醒。二是，电子烟盒内部的保护措施缺乏。
因此，现有技术不能很好满足消费者的需求，存在缺陷，需要改进。
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功能单一的缺陷，提供一种能全面的指示电子烟盒的充放电状态具体信息以及具备各种保护电路的一种用于电子烟盒的控制电路及其控制方法。
本发明解决其技术问题所采用的技术方案是：构造一种用于电子烟盒的控制电路，包括充电管理模块、内置电池、控制模块、升压模块，还包括电池电压检测模块、负载检测模块和指示模块，
所述控制模块分别与所述充电管理模块、内置电池、升压模块、电池电压检测模块、指示模块、负载检测模块相连接，所述内置电池和升压模块还同时连接至所述充电管理模块，所述电池电压检测模块还连接至所述内置电池；
所述充电管理模块用于在外部电源接入时提供充电电压，利用所述充电电压对所述内置电池充电并发送电池充电信号至所述控制模块；所述内置电池用于在无所述外部电源接入时直接提供所述充电电压；
所述电池电压检测模块用于实时检测所述内置电池的电池电压，并发送电池电压信号至所述控制模块；
所述负载检测模块用于实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块；
所述控制模块用于根据所述电池电压信号、负载检测信号以及电池充电信号，控制所述升压模块对所述充电电压进行调整向所述充电负载充电并控制所述指示模块对充电状态进行实时显示。
在本发明所述的一种用于电子烟盒的控制电路中，所述负载检测信号包括负载插入信号和负载拔出信号；所述充电状态包括用于指示所述内置电池的电池电量的电池电量等级信号、用于指示所述内置电池处于充电状态的电池充电中信号、用于指示所述内置电池满充的电池满充信号、用于指示所述内置电池电压过低的电池低压信号、用于指示所述内置电池处于放电状态的电池放电信号。
在本发明所述的一种用于电子烟盒的控制电路中，
当有外部电源接入时，所述控制模块用于接收所述电池充电信号；同时还用于接收到所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块显示所述电池电量等级信号；
所述控制模块还用于根据所述电池电量是否达到满充条件控制所述指示模块显示所述电池满充信号或电池充电中信号；
所述控制模块还用于根据接收到的所述负载插入信号或负载拔出信号控制所述升压模块的工作状态。
在本发明所述的一种用于电子烟盒的控制电路中，当无外部电源接入时，所述控制模块用于接收所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块显示所述电池电量等级信号；
所述控制模块还用于在所述电池电压信号小于预设低压值时，控制所述指示模块显示所述电池低压信号以及控制所述升压模块停止工作；
所述控制模块还用于在所述电池电压信号大于等于所述预设低压值时，根据接收到的所述负载插入信号或负载拔出信号，控制所述升压模块的工作状态以及控制所述指示模块是否显示所述电池放电信号。
在本发明所述的一种用于电子烟盒的控制电路中，所述电子烟盒还包括充电接口模块，所述充电接口模块连接所述升压模块和充电负载，所述充电接口模块包括电池杆接口和Micro-USB接口。
在本发明所述的一种用于电子烟盒的控制电路中，还包括电池保护模块，所述电池保护模块连接至所述内置电池，所述电池保护模块用于对所述内置电池进行过流保护。
在本发明所述的一种用于电子烟盒的控制电路中，所述电子烟盒还包括过流满电检测模块，
所述过流满电检测模块分别连接至所述控制模块和充电接口模块；
所述过流满电检测模块用于检测连接在所述充电接口模块上的充电负载在充电过程中的负载充电电流，所述控制模块根据所述负载充电电流控制所述升压模块的工作状态进而调节所述充电负载的电流或在根据所述负载充电电流判断出所述充电负载满充时控制所述升压模块停止工作。
在本发明所述的一种用于电子烟盒的控制电路中，所述控制模块包括一微处理器，所述微处理器的型号为HT462065。
在本发明所述的一种用于电子烟盒的控制电路中，所述指示模块包括至少一用于显示所述电池充电中信号或电池满充信号或电池低压信号或电池放电信号的第一发光二级管和至少一用于指示所述电池电量等级信号的第二发光二级管。
在本发明所述的一种用于电子烟盒的控制电路中，所述负载检测模块包括按键开关和触发开关；
所述按键开关一端接地、另一端连接至所述微处理器；所述触发开关一端连接至烟盒负极、另一端连接至所述微处理器；
所述按键开关用于检测通过所述Micro-USB接口接入的所述充电负载的插入和拔出，所述触发开关用于检测通过所述电池杆接口接入的所述充电负载的插入和拔出。
在本发明所述的一种用于电子烟盒的控制电路中，所述电池电压检测模块包括第一分压电阻、第二分压电阻；
所述第一分压电阻一端连接至所述充电器控制电路芯片、另一端通过所述第二分压电阻连接至所述微处理器，所述第一分压电阻和第二分压电阻的电连接处连接至所述微处理器。
在本发明所述的一种用于电子烟盒的控制电路中，所述充电管理模块包括保险丝、稳压管、第一三极管、第一MOS管、充电器控制电路芯片，
所述保险丝一端连接至所述外部电源、另一端连接至所述稳压管的负极，所述稳压管的正极通过第一电阻连接至所述第一三极管的基极，所述第一三极管的集电极通过一第三电阻连接至所述第一MOS管的栅极，所述第一三极管的发射极和第一MOS管的源极接地，所述第一MOS管的漏极通过一第五电阻连接至所述充电器控制电路芯片；
所述保险丝用于过流保护；所述稳压管用于稳定输入的电压，并在所述稳压管击穿时，所述第一三极管导通进而导致所述第一MOS管截止，进而使所述外部电源的连接断开以保护电路。
在本发明所述的一种用于电子烟盒的控制电路中，所述电池保护模块包括保护控制芯片、开关芯片；
所述保护控制芯片用于根据检测到的流过所述开关芯片的电流控制所述开关芯片的开断进而控制所述内置电池是否工作。
在本发明所述的一种用于电子烟盒的控制电路中，所述过流满电检测模块包括一电流采样电阻；
所述电流采样电阻一端接地、另一端连接至所述烟盒负极，所述电流采样电阻的另一端还通过一电阻连接至微处理器。
在本发明所述的一种用于电子烟盒的控制电路中，所述升压模块包括电感、升压控制芯片、二极管、第二三极管、第二MOS管，
所述第二三极管的基极通过一电阻连接至所述微处理器，所述第二三极管的发射极接地，所述第二三极管的集电极连接至所述第二MOS管的栅极，所述第二MOS管的源极通过一电阻接收所述充电电压，所述第二MOS管的漏极连接至所述电感，
升压控制芯片用于对所述充电电压进行升压处理；
所述第二三极管用于通过基极接收所述微处理器的控制信号，控制所述第二三极管的导通和截止，进而控制所述第二MOS管的导通和截止。
本发明还公开了一种用于电子烟盒的控制电路的控制方法，所述方法包括以下步骤：
S1、根据是否接入外部电源，从充电管理模块或内置电池产生充电电压，若从所述充电管理模块产生所述充电电压，则发送电池充电信号到控制模块；
电池电压检测模块实时检测所述内置电池的电池电压，并发送电池电压信号至所述控制模块；
负载检测模块实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块；
S2、所述控制模块根据所述电池电压信号、负载检测信号以及电池充电信号，控制升压模块对所述充电电压进行调整向充电负载充电，并控制指示模块对充电状态进行显示。
在本发明所述的一种用于电子烟盒的控制电路的控制方法中，其特征在于，有外部电源接入时，
所述步骤S1具体包括：
从所述充电管理模块产生所述充电电压，并利用所述充电电压对所述内置电池充电，同时发送所述电池充电信号到控制模块；
所述电池电压检测模块实时检测所述内置电池的电池电压，并发送电池电压信号至所述控制模块；
所述负载检测模块实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块；
所述步骤S2具体包括：
所述控制模块接收所述电池充电信号和电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块显示所述电池电量等级信号；
所述控制模块根据所述电池电量是否达到满充条件控制所述指示模块显示所述电池满充信号或电池充电中信号；
所述控制模块还根据接收到的所述负载插入信号或负载拔出信号控制所述升压模块的工作状态。
在本发明所述的一种用于电子烟盒的控制电路的控制方法中，无外部电源接入时，
所述步骤S1具体包括：
从所述内置电池直接产生所述充电电压；
所述电池电压检测模块实时检测所述内置电池的电池电压，并发送电池电压信号至所述控制模块；
所述负载检测模块实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块；
所述步骤S2具体包括：
所述控制模块接收所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块显示所述电池电量等级信号；
所述控制模块在所述电池电压信号小于预设低压值时，控制所述指示模块显示所述电池低压信号以及控制所述升压模块停止工作，所述控制模块在所述电池电压信号大于等于所述预设低压值时，根据接收到的所述负载插入信号或负载拔出信号，控制所述升压模块的工作状态以及控制所述指示模块是否显示所述电池放电信号。
实施本发明的一种用于电子烟盒的控制电路及其控制方法，具有以下有益效果：一种用于电子烟盒的控制电路具有充电管理模块、内置电池、控制模块、升压模块、电池电压检测模块、负载检测模块和指示模块，其中控制模块根据电池电压检测模块检测到的所述电池电压信号、负载检测模块检测到的负载检测信号以及充电管理模块发送的电池充电信号，控制升压模块对充电管理模块活内置电池提供的所述充电电压进行调整向所述充电负载充电，同时控制指示模块对充电状态进行显示。因此可以提供各种工作状态或异常状态时的指示，且显示方式可以定制，充电接口多样，且还提供了充电插入检测功能以及充电拔出检测功能，且本发明的充电管理模块既有充电管理功能，又提供了过压保护，而且在充电过程中对内置电池进行保护，控制电路中还具有输出短路保护功能。本发明提供了一种多功能的用于电子烟盒的控制电路及其控制方法，满足了消费者的需求。
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是本发明一种用于电子烟盒的控制电路的结构示意图；
图2是图1中控制模块、负载检测模块和指示模块的具体电路示意图；
图3是图1中电池电压检测模块的具体电路示意图；
图4是图1中充电管理模块的具体电路示意图；
图5是图1中电池保护模块的具体电路示意图；
图6是图1中过流满电检测模块的具体电路示意图；
图7是图1中升压模块的具体电路示意图。
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。
本发明为了解决现有技术中电子烟盒功能单一的缺点，提供了一种用于电子烟盒的控制电路，包括充电管理模块100、内置电池300、控制模块200、升压模块400，还包括电池电压检测模块600、负载检测模块900和指示模块800，还可以包括充电接口模块90、电池保护模块500、过流满电检测模块700，
下面就所有的模块的作用、电路构成及工作原理做详细阐述。
所述控制模块200分别与所述充电管理模块100、内置电池300、升压模块400、电池电压检测模块600、指示模块800、负载检测模块900、过流满电检测模块700相连接，所述内置电池300和升压模块400还同时连接至所述充电管理模块100，所述电池电压检测模块600还连接至所述内置电池300；充电接口模块90连接升压模块400和充电负载，电池保护模块500连接至内置电池300，过流满电检测模块700还连接至充电接口模块90；
所述充电管理模块100用于在外部电源80接入时提供充电电压，同时利用所述充电电压对所述内置电池300充电并发送电池充电信号至所述控制模块200；所述内置电池300用于在无所述外部电源80接入时直接提供所述充电电压；
电池电压检测模块600用于实时检测所述内置电池300的电池电压，并发送电池电压信号至所述控制模块200；负载检测模块900用于实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块200，负载检测信号包括负载插入信号和负载拔出信号；
控制模块200用于根据所述电池电压信号、负载检测信号以及电池充电信号，控制升压模块400对所述充电电压进行调整向所述充电负载充电并控制指示模块800对充电状态进行实时显示。
上述充电状态包括用于指示所述内置电池300的电池电量的电池电量等级信号、用于指示所述内置电池300处于充电状态的电池充电中信号、用于指示所述内置电池300满充的电池满充信号、用于指示所述内置电池300电压过低的电池低压信号、用于指示所述内置电池300处于放电状态的电池放电信号；
具体的：
当有外部电源80接入时：
充电管理模块100将外部电源80进行调整输出为充电电压，同时利用充电电压对内置电池300进行充电，并发送电池充电信号至控制模块200；
所述控制模块200用于接收到所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块800显示所述电池电量等级信号；所述控制模块200还根据所述电池电量是否达到满充条件控制所述指示模块800显示所述电池满充信号或电池充电中信号；
所述控制模块200还用于根据接收到的所述负载插入信号或负载拔出信号控制所述升压模块400的工作状态。因为控制模块200在接收的电池充电信号的条件下，可以判断有外接电源80接入，所以这种情况就不需要判断内置电池300是否处于低压，因为此时是通过外接电源80提供对充电负载的充电电压，不会出现内置电池300低压放电的情况。
当无外部电源80接入时：
当无外部电源80接入时，通过内置电池300直接提供充电电压，所述控制模块200不能接收到所述电池充电信号，因此，这种情况下需要考虑到可能会出现的内置电池300低压放电现象。
所述控制模块200用于接收到所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块800显示所述电池电量等级信号；
所述控制模块200还用于在所述电池电压信号小于预设低压值，控制所述指示模块800显示所述电池低压信号以及控制所述升压模块400停止工作；
所述控制模块200还用于在所述电池电压信号大于等于预设低压值时，根据接收到的所述负载插入信号或负载拔出信号，控制所述升压模块400的工作状态以及控制所述指示模块800是否显示所述电池放电信号。具体的，在所述电池电压信号大于等于预设低压值且接收到负载插入信号时，控制所述升压模块400工作并控制所述指示模块800显示所述电池放电信号，在所述电池电压信号大于等于预设低压值且接收到负载拔出信号时，控制所述升压模块400不工作并控制所述指示模块800不再显示所述电池放电信号。
如此，本发明的指示模块800提供了各种工作状态或异常状态时的指示，且显示方式可以定制。负载检测模块900提供了充电插入检测功能以及充电拔出检测功能。且本发明的充电管理模块100既有充电管理功能，又提供了过压保护。
充电接口模块90包括电池杆接口91和Micro-USB接口92，在已有的电池杆接口91的基础上增加了Micro-USB接口92，使电子烟盒在对电池杆进行充电的基础上提供了更多的方便之处，例如可对手机电池等任何需要5V DC进行充电的Micro-USB接口的负载进行充电。
电池保护模块500用于提供对烟盒内置电池300的电路保护功能，特别是内置电池300的输出短路保护功能。
过流满电检测模块700用于检测连接在充电接口模块上的充电负载在充电过程中的负载充电电流，控制模块200根据负载充电电流控制升压模块400的工作状态，进而调节充电负载的电流，或在根据所述负载充电电流判断出充电负载满充时控制所述升压模块400停止工作。例如，如果充电负载的电流过大，则过流满电检测模块700将检测到负载充电电流过大，则控制模块200立即控制升压模块400降低对充电负载进行充电的电压，保证充电负载的电流不至于过大；如果充电负载已经满充了，则流入过流满电检测模块700的电流将会很小，过流满电检测模块700将检测到到负载充电电流很小，则控制模块200立即控制升压模块400停止工作，不再对充电负载充电。
下面就本发明的最佳实施例的具体电路进行详细说明。
以下将充电电压的提供节点统一命名为电池正极。
参考图2，是图1中控制模块、负载检测模块和指示模块的具体电路示意图；
控制模块200包括一微处理器U4。微处理器U4的型号不定，可以为市面上的普通控制微处理器，本实施例中，微处理器U4的型号优选的HT462065。微处理器U4的VDD引脚直接连接至电池正极，VDD引脚还通过电容C14接地，AN1引脚连接至2.5V电信号，VSS引脚接地。
所述指示模块800包括至少一用于显示所述电池充电中信号或电池满充信号或电池低压信号或电池放电信号的第一发光二级管和至少一用于指示所述电池电量等级信号的第二发光二级管。
本实施例中，优选的1个第一发光二级管LED1、3个第二发光二级管LED2~LED4。第一发光二级管LED1为红色发光二极管，第二发光二级管LED2~LED4为蓝色发光二极管。发光二级管LED1~LED4的负极分别相应的通过电阻R25~R28对应连接至微处理器U4的PB0~PB3引脚，发光二极管LED1~LED4的正极均连接至电池正极。
具体的，第一发光二级管LED1在用于指示电池充电中信号时，会高频闪烁，高频范围为大于4，本实施例中优选的5，即每秒闪烁5次，第一发光二级管LED1在用于指示电池满充信号时，会一直发光不闪烁，第一发光二级管LED1在用于指示电池低压信号时会低频闪烁，高频范围为小于0.5，本实施例中优选的0.5，即每2秒闪烁1次，第一发光二级管LED1在用于指示电池放电信号时，会低频闪烁并且每次闪烁的整个过程中，亮度是逐渐减弱的。第二发光二级管LED2~LED4，根据充电电压所对应的电量等级显示相应的数量。例如，本发明中，当电池电压对应的电池电量达到30%时，则控制一个第二发光二级管LED2亮，当电池电压对应的电池电量达到60%时，则控制两个第二发光二级管LED2和LED3同时亮，以此类推。如此，本发明的指示模块800提供了各种工作状态或异常状态时的LED指示，且显示方式可以定制。
负载检测模块900包括按键开关K1和触发开关K2，按键开关K1一端接地、另一端连接至微处理器U4的RES引脚，另一端还通过电阻R21连接至电池正极；触发开关K2一端连接至烟盒负极OUT-、另一端连接至微处理器U4的引脚PA6，另一端还通过电阻R22连接至电池正极；
按键开关K1用于检测通过Micro-USB接口92接入的充电负载的插入和拔出，触发开关K2用于检测通过电池杆接口91接入的充电负载的插入和拔出，如此，本发明的负载检测模块900提供了充电插入检测功能以及充电拔出检测功能。
参考图3，是图1中电池电压检测模块的具体电路示意图；
电池电压检测模块600包括第一分压电阻R6、第二分压电阻R7、滤波电容C4；
第一分压电阻R6一端连接至电池正极、另一端通过第二分压电阻R7连接至微处理器U4的PC3引脚，第一分压电阻R6和第二分压电阻R7的电连接处连接至微处理器U4的AN2引脚，滤波电容C4并联在第二分压电阻R7的两端，如此，本发明的电池电压检测模块600，可以为内置电池300的电池电量计算和内置电池300的低压保护提供检测功能。
参考图4，是图1中充电管理模块的具体电路示意图；
充电管理模块100包括保险丝F1、稳压管Z1、第一三极管Q1、第一MOS管Q2、充电器控制电路芯片U1，
充电器控制电路芯片U1的型号为VA7204。充电器控制电路芯片U1的LED引脚连接至微处理器U4的PWM引脚，CHRG引脚连接至微处理器U4的PA5引脚，BAT引脚通过一电容C3接地，BAT引脚输出上述充电电压，BAT引脚连接至内置电池300的正极，此处即为前述电池正极。
保险丝F1一端连接至外部电源80的电源接口L1的VCC引脚、另一端连接至充电器控制电路芯片U1的VCC引脚，同时另一端还连接至所述稳压管Z1的负极，所述稳压管Z1的正极通过第一电阻R1连接至所述第一三极管Q1的基极，第一三极管Q1的集电极通过第三电阻R3连接至第一MOS管Q2的栅极，第一MOS管Q2的栅极还通过电阻R4连接至充电器控制电路芯片U1的VCC引脚，第一三极管Q1的发射极和第一MOS管Q2的源极接地，第一三极管Q1的基极和发射极之间还连接有由电容C1和电阻R2组成的并联支路，第一MOS管Q2的漏极通过第五电阻R5连接至充电器控制电路芯片U1的PROG引脚，充电器控制电路芯片U1的VCC引脚还通过一电容C2连接至第一MOS管Q2的漏极。
保险丝F1用于过流保护；稳压管Z1用于稳定输入的电压，并在稳压管Z1击穿时，第一三极管Q1导通进而导致第一MOS管Q2截止，进而使外部电源80的连接断开以保护电路。如此，本发明的充电管理模块100既有充电管理功能，又提供了过压保护。
参考图5，是图1中电池保护模块的具体电路示意图；
电池保护模块500包括保护控制芯片U3、开关芯片U5、滤波电容C12、电阻R19、电阻R20；
保护控制芯片U3的型号为S-8241。开关芯片U5为包括：集成N-MOS管和开/关MOS管。
电阻R19一端连接至内电池正极，另一端串联滤波电容C12后连接至内置电池300的负极，电阻R20连接保护控制芯片U3的VM引脚和开关芯片U5的S2引脚，电阻R20用于防止电流反串。
保护控制芯片U3用于根据检测到的流过集成N-MOS管的电流而控制开/关MOS管的开和关,进而控制内置电池300是否工作，如此，本发明的电池保护模块500提供了烟盒内置电池300的电路保护功能，特别是内置电池300的输出、输入时防过流、防短路等保护功能；同时保护控制芯片U3还具有防止电池过充电，过放电等功能保护。
保护控制芯片U3用于根据检测到的流过开关芯片U5的电流控制开关芯片U5的开断进而控制内置电池300是否工作，如此，本发明的电池保护模块500提供了烟盒内置电池300的电路保护功能，特别是内置电池300的输出短路保护功能。
图6是图1中过流满电检测模块的具体电路示意图；
过流满电检测模块700包括一电流采样电阻R18和电阻R17；
电流采样电阻R18一端接地、另一端连接至烟盒负极OUT-，电流采样电阻R18的另一端还通过电阻R17连接至微处理器U4的AN3引脚。
如果充电负载的负载充电电流过大，则流过电流采样电阻R18的电流很大，则控制模块200立即控制升压模块400降低对充电负载进行充电的电压，保证充电负载的电流不至于过大；如果充电负载已经满充了，则流入电流采样电阻R18的电流很小，则控制模块200立即控制升压模块400停止工作。
图7是图1中升压模块的具体电路示意图。
升压模块400主要包括电感Ｌ、升压控制芯片U2、二极管D1、第二三极管Q3、第二MOS管Q4，
升压控制芯片U2的型号为CP2121。升压控制芯片U2的EN引脚连接至微处理器U4的PC0引脚，用于接收微处理器发出的控制信号。
第二三极管Q3的基极通过一电阻R11连接至微处理器U4的PC0引脚、第二三极管Q3的基极还通过电阻R10接地，第二三极管Q3的发射极接地，第二三极管Q3的集电极连接至第二MOS管Q4的栅极、第二三极管Q3的集电极还通过电阻R9连接至第二MOS管Q4的源极，第二MOS管Q4的源极通过一电阻R8连接至电池正极，即充电器控制电路芯片U1的BAT引脚，用于接收充电电压，这里，充电器控制电路芯片U1的BAT引脚还分别通过2个电容C5~C6支路接地，第二MOS管Q4的漏极通过电感L连接至升压控制芯片U2的SW引脚，二极管D1的正极连接至SW引脚，二极管D1的负极作为烟盒正极OUT+，二极管D1的负极分别通过3个电容C7~C9支路接地，二极管D1的负极还通过电阻R13和电阻R14串联后接地，电阻R13和电阻R14的电连接处连接至充电器控制电路芯片U1的FB引脚。
另，微处理器U4的AN0引脚通过电阻R15和电阻R16串联后接地，电阻R15和电阻R16的电连接处作为烟盒负极OUT-。
升压控制芯片U2用于对充电电压进行升压处理；
第二三极管Q3用于通过基极接收微处理器U4的控制信号，控制第二三极管Q3的导通和截止，进而控制第二MOS管Q4的导通和截止，进而实现控制升压模块400是否工作。
本发明还提供一种用于电子烟盒的控制电路的控制方法，所述方法包括以下步骤：
S1、根据是否接入外部电源，从所述充电管理模块100或所述内置电池300产生充电电压，若从所述充电管理模块100产生充电电压，则同时发送电池充电信号到所述控制模块200；
电池电压检测模块600实时检测所述内置电池300的电池电压，并发送电池电压信号至所述控制模块200；
负载检测模块900实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块200；
S2、所述控制模块200根据所述电池电压信号、负载检测信号以及电池充电信号，控制所述升压模块400对所述充电电压进行调整向充电负载充电，同时控制所述指示模块800对充电状态进行显示。
有外部电源接入时，
所述步骤S1具体包括：
从所述充电管理模块100产生充电电压，并利用所述充电电压对所述内置电池300充电，同时发送电池充电信号到控制模块200；
电池电压检测模块600实时检测所述内置电池300的电池电压，并发送电池电压信号至所述控制模块200；
负载检测模块900实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块200；
所述步骤S2具体包括：
所述控制模块200接收所述电池充电信号和电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块800显示所述电池电量等级信号；
所述控制模块200根据所述电池电量是否达到满充条件控制所述指示模块800显示所述电池满充信号或电池充电中信号：具体的，在所述电池电量达到满充条件时，控制所述指示模块800显示所述电池满充信号，在未达到满充条件时，控制所述指示模块800显示所述电池充电中信号；
所述控制模块200还根据接收到的所述负载插入信号或负载拔出信号控制所述升压模块400的工作状态：具体的，在接收到的所述负载插入信号时，控制所述升压模块400工作，在接收到的所述负载拔出信号时，控制所述升压模块400停止工作。
无外部电源接入时，
所述步骤S1具体包括：
从所述内置电池300产生充电电压；
电池电压检测模块600实时检测所述内置电池300的电池电压，并发送电池电压信号至所述控制模块200；
负载检测模块900实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块200；
所述步骤S2具体包括：
所述控制模块200接收所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块800显示所述电池电量等级信号；
所述控制模块200在所述电池电压信号小于预设低压值，控制所述指示模块800显示所述电池低压信号以及控制所述升压模块400停止工作；
所述控制模块200在所述电池电压信号大于等于预设低压值时，根据接收到的所述负载插入信号或负载拔出信号，控制所述升压模块400的工作状态以及控制所述指示模块800是否显示所述电池放电信号：具体的，在接收到的所述负载插入信号时，控制所述升压模块400工作，在接收到的所述负载拔出信号时，控制所述升压模块400停止工作。
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. 一种用于电子烟盒的控制电路，包括充电管理模块（100）、内置电池（300）、控制模块（200）、升压模块（400），其特征在于，还包括电池电压检测模块（600）、负载检测模块（900）和指示模块（800），
    所述控制模块（200）分别与所述充电管理模块（100）、内置电池（300）、升压模块（400）、电池电压检测模块（600）、指示模块（800）、负载检测模块（900）相连接，所述内置电池（300）和升压模块（400）还同时连接至所述充电管理模块（100），所述电池电压检测模块（600）还连接至所述内置电池（300）；
    所述充电管理模块（100）用于在外部电源（80）接入时提供充电电压，利用所述充电电压对所述内置电池（300）充电并发送电池充电信号至所述控制模块（200）；所述内置电池（300）用于在无所述外部电源（80）接入时直接提供所述充电电压；
    所述电池电压检测模块（600）用于实时检测所述内置电池（300）的电池电压，并发送电池电压信号至所述控制模块（200）；
    所述负载检测模块（900）用于实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块（200）；
    所述控制模块（200）用于根据所述电池电压信号、负载检测信号以及电池充电信号，控制所述升压模块（400）对所述充电电压进行调整向所述充电负载充电并控制所述指示模块（800）对充电状态进行实时显示。
  2. 根据权利要求1所述的一种用于电子烟盒的控制电路，其特征在于，所述负载检测信号包括负载插入信号和负载拔出信号；所述充电状态包括用于指示所述内置电池（300）的电池电量的电池电量等级信号、用于指示所述内置电池（300）处于充电状态的电池充电中信号、用于指示所述内置电池（300）满充的电池满充信号、用于指示所述内置电池（300）电压过低的电池低压信号、用于指示所述内置电池（300）处于放电状态的电池放电信号。
  3. 根据权利要求2所述的一种用于电子烟盒的控制电路，其特征在于，
    当有外部电源（80）接入时，所述控制模块（200）用于接收所述电池充电信号；同时还用于接收到所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块（800）显示所述电池电量等级信号；
    所述控制模块（200）还用于根据所述电池电量是否达到满充条件控制所述指示模块（800）显示所述电池满充信号或电池充电中信号；
    所述控制模块（200）还用于根据接收到的所述负载插入信号或负载拔出信号控制所述升压模块（400）的工作状态。
  4. 根据权利要求2所述的一种用于电子烟盒的控制电路，其特征在于，
    当无外部电源（80）接入时，所述控制模块（200）用于接收所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块（800）显示所述电池电量等级信号；
    所述控制模块（200）还用于在所述电池电压信号小于预设低压值时，控制所述指示模块（800）显示所述电池低压信号以及控制所述升压模块（400）停止工作；
    所述控制模块（200）还用于在所述电池电压信号大于等于所述预设低压值时，根据接收到的所述负载插入信号或负载拔出信号，控制所述升压模块（400）的工作状态以及控制所述指示模块（800）是否显示所述电池放电信号。
  5. 根据权利要求3或4所述的一种用于电子烟盒的控制电路，其特征在于，所述电子烟盒还包括充电接口模块（90），所述充电接口模块（90）连接所述升压模块（400）和充电负载，所述充电接口模块（90）包括电池杆接口（91）和Micro-USB接口（92）。
  6. 根据权利要求5所述的一种用于电子烟盒的控制电路，其特征在于，还包括电池保护模块（500），所述电池保护模块（500）连接至所述内置电池（300），所述电池保护模块（500）用于对所述内置电池（300）进行过流保护。
  7. 根据权利要求6所述的一种用于电子烟盒的控制电路，其特征在于，所述电子烟盒还包括过流满电检测模块（700），
    所述过流满电检测模块（700）分别连接至所述控制模块（200）和充电接口模块（90）；
    所述过流满电检测模块（700）用于检测连接在所述充电接口模块（90）上的所述充电负载在充电过程中的负载充电电流，所述控制模块（200）根据所述负载充电电流控制所述升压模块（400）的工作状态进而调节所述充电负载的电流或在根据所述负载充电电流判断出所述充电负载满充时控制所述升压模块（400）停止工作。
  8. 根据权利要求7所述的一种用于电子烟盒的控制电路，其特征在于，所述控制模块（200）包括一微处理器（U4），所述微处理器（U4）的型号为HT462065。
  9. 根据权利要求8所述一种用于电子烟盒的控制电路，其特征在于，所述指示模块（800）包括至少一用于显示所述电池充电中信号或电池满充信号或电池低压信号或电池放电信号的第一发光二级管和至少一用于指示所述电池电量等级信号的第二发光二级管。
  10. 根据权利要求9所述一种用于电子烟盒的控制电路，其特征在于，所述负载检测模块（900）包括按键开关（K1）和触发开关（K2）；
    所述按键开关（K1）一端接地、另一端连接至所述微处理器（U4）；所述触发开关（K2）一端连接至烟盒负极（OUT-）、另一端连接至所述微处理器（U4）；
    所述按键开关（K1）用于检测通过所述Micro-USB接口（92）接入的所述充电负载的插入和拔出，所述触发开关（K2）用于检测通过所述电池杆接口（91）接入的所述充电负载的插入和拔出。
  11. 根据权利要求10所述的一种用于电子烟盒的控制电路，其特征在于，所述电池电压检测模块（600）包括第一分压电阻（R6）、第二分压电阻（R7）；
    所述第一分压电阻（R6）一端连接至所述充电器控制电路芯片（U1）、另一端通过所述第二分压电阻（R7）连接至所述微处理器（U4），所述第一分压电阻（R6）和第二分压电阻（R7）的电连接处连接至所述微处理器（U4）。
  12. 根据权利要求11所述一种用于电子烟盒的控制电路，其特征在于，所述充电管理模块（100）包括保险丝（F1）、稳压管（Z1）、第一三极管（Q1）、第一MOS管（Q2）、充电器控制电路芯片（U1），
    所述保险丝（F1）一端连接至所述外部电源（80）、另一端连接至所述稳压管（Z1）的负极，所述稳压管（Z1）的正极通过第一电阻（R1）连接至所述第一三极管（Q1）的基极，所述第一三极管（Q1）的集电极通过一第三电阻（R3）连接至所述第一MOS管（Q2）的栅极，所述第一三极管（Q1）的发射极和第一MOS管（Q2）的源极接地，所述第一MOS管（Q2）的漏极通过一第五电阻（R5）连接至所述充电器控制电路芯片（U1）；
    所述保险丝（F1）用于过流保护；所述稳压管（Z1）用于稳定输入的电压，并在所述稳压管（Z1）击穿时，所述第一三极管（Q1）导通进而导致所述第一MOS管（Q2）截止，进而使所述外部电源（80）的连接断开以保护电路。
  13. 根据权利要求12所述的一种用于电子烟盒的控制电路，其特征在于，所述电池保护模块（500）包括保护控制芯片（U3）、开关芯片（U5）；
    所述保护控制芯片（U3）用于根据检测到的流过所述开关芯片（U5）的电流控制所述开关芯片（U5）的开断进而控制所述内置电池（300）是否工作。
  14. 根据权利要求13所述的一种用于电子烟盒的控制电路，其特征在于，所述过流满电检测模块（700）包括一电流采样电阻（R18）；
    所述电流采样电阻（R18）一端接地、另一端连接至所述烟盒负极（OUT-），所述电流采样电阻（R18）的另一端还通过一电阻（R17）连接至微处理器（U4）。
  15. 根据权利要求14所述的一种用于电子烟盒的控制电路，其特征在于，所述升压模块（400）包括电感（Ｌ）、升压控制芯片（U2）、二极管（D1）、第二三极管（Q3）、第二MOS管（Q4），
    所述第二三极管（Q3）的基极通过一电阻连接至所述微处理器（U4），所述第二三极管（Q3）的发射极接地，所述第二三极管（Q3）的集电极连接至所述第二MOS管（Q4）的栅极，所述第二MOS管（Q4）的源极通过一电阻接收所述充电电压，所述第二MOS管（Q4）的漏极连接至所述电感（L），
    升压控制芯片（U2）用于对所述充电电压进行升压处理；
    所述第二三极管（Q3）用于通过基极接收所述微处理器（U4）的控制信号，控制所述第二三极管（Q3）的导通和截止，进而控制所述第二MOS管（Q4）的导通和截止。
  16. 一种用于电子烟盒的控制电路的控制方法，其特征在于，所述方法包括以下步骤：
    S1、根据是否接入外部电源，从充电管理模块（100）或内置电池（300）产生充电电压，若从所述充电管理模块（100）产生所述充电电压，则发送电池充电信号到控制模块（200）；
    电池电压检测模块（600）实时检测所述内置电池（300）的电池电压，并发送电池电压信号至所述控制模块（200）；
    负载检测模块（900）实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块（200）；
    S2、所述控制模块（200）根据所述电池电压信号、负载检测信号以及电池充电信号，控制升压模块（400）对所述充电电压进行调整向所述充电负载充电，并控制指示模块（800）对充电状态进行显示。
  17. 根据权利要求16所述的一种用于电子烟盒的控制电路的控制方法，其特征在于，有外部电源接入时，
    所述步骤S1具体包括：
    从所述充电管理模块（100）产生所述充电电压，并利用所述充电电压对所述内置电池（300）充电，同时发送所述电池充电信号到控制模块（200）；
    所述电池电压检测模块（600）实时检测所述内置电池（300）的电池电压，并发送电池电压信号至所述控制模块（200）；
    所述负载检测模块（900）实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块（200）；
    所述步骤S2具体包括：
    所述控制模块（200）接收所述电池充电信号和电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块（800）显示所述电池电量等级信号；
    所述控制模块（200）根据所述电池电量是否达到满充条件控制所述指示模块（800）显示所述电池满充信号或电池充电中信号；
    所述控制模块（200）还根据接收到的所述负载插入信号或负载拔出信号控制所述升压模块（400）的工作状态。
  18. 根据权利要求16所述的一种用于电子烟盒的控制电路的控制方法，其特征在于，无外部电源接入时，
    所述步骤S1具体包括：
    从所述内置电池（300）直接产生所述充电电压；
    所述电池电压检测模块（600）实时检测所述内置电池（300）的电池电压，并发送电池电压信号至所述控制模块（200）；
    所述负载检测模块（900）实时检测是否有充电负载接入，并发送负载检测信号至所述控制模块（200）；
    所述步骤S2具体包括：
    所述控制模块（200）接收所述电池电压信号，并根据所述电池电压信号计算所述电池电量进而控制所述指示模块（800）显示所述电池电量等级信号；
    所述控制模块（200）在所述电池电压信号小于预设低压值时，控制所述指示模块（800）显示所述电池低压信号以及控制所述升压模块（400）停止工作，所述控制模块（200）在所述电池电压信号大于等于所述预设低压值时，根据接收到的所述负载插入信号或负载拔出信号，控制所述升压模块（400）的工作状态以及控制所述指示模块（800）是否显示所述电池放电信号。
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CN115208009A (zh) * 2022-07-07 2022-10-18 深圳拓邦股份有限公司 电池保护电路及电器
CN115208009B (zh) * 2022-07-07 2024-04-30 深圳拓邦股份有限公司 电池保护电路及电器
WO2024061198A1 (zh) * 2022-09-19 2024-03-28 深圳市合元科技有限公司 电子雾化装置及其控制方法

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