CN215684792U - Electron cigarette heating control circuit, electron cigarette host computer and electron cigarette - Google Patents

Abstract

The application relates to an electron cigarette heating control circuit, electron cigarette host computer and electron cigarette. A main controller in the electronic cigarette heating control circuit is respectively connected with the first heating module and the second heating module. The first heating module is used for heating a first target object based on an electric heating principle when the first heating module is started to work, and the first target object is arranged in the first target cigarette bullet. The second heating module is used for generating an alternating magnetic field around a second target object when the second heating module is started to work, and the second target object is arranged in a second target cartridge. The main controller is used for selectively controlling the first heating module to start according to the type information of the cigarette cartridge or selectively controlling the second heating module to start according to the type information of the cigarette cartridge after the type information of the cigarette cartridge is acquired. Compared with the prior art, the electronic cigarette heating control circuit, the electronic cigarette host and the electronic cigarette product provided by the embodiment of the application are relatively rich in application and the applicable range is also enlarged.

Description

Electron cigarette heating control circuit, electron cigarette host computer and electron cigarette

Technical Field

The application relates to the technical field of electronic cigarette design and manufacture, in particular to an electronic cigarette heating control circuit, an electronic cigarette host and an electronic cigarette.

Background

The electronic cigarette is an electronic product simulating cigarettes, has the same appearance, smoke and taste as the cigarettes, namely, is a product which is powered by a rechargeable lithium polymer battery to drive an atomizer, and nicotine and the like in tobacco tar consumables are changed into steam through the tobacco tar consumables in a heating consumables vessel so as to be sucked by a user. Usually, the consumable vessel is disposed in the cigarette cartridge, and the heating control circuit is disposed in the electronic cigarette host.

In the prior art, the heating mode corresponding to the heating control circuit is generally single, so that the electronic cigarette host of a certain type is often only suitable for one type of cigarette cartridge but not suitable for other types of cigarette cartridges, the product is single in use, and the application scene is limited.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide an electron cigarette heating control circuit, electron cigarette host computer and electron cigarette to solve above-mentioned problem.

On the first hand, the electronic cigarette heating control circuit provided by the embodiment of the application comprises a first heating module, a second heating module and a main controller, wherein the main controller is respectively connected with the first heating module and the second heating module;

the first heating module is used for heating a first target object based on an electric heating principle when the first heating module is started to work, and the first target object is arranged in a first target cigarette cartridge so as to heat tobacco tar consumables stored in a first consumable utensil arranged in the first target cigarette cartridge through the first target object;

the second heating module is used for generating an alternating magnetic field around a second target object when the second heating module is started to work, the second target object is arranged in a second target cigarette cartridge, and a second consumable utensil arranged in the second target cigarette cartridge is subjected to electromagnetic induction heating based on an electromagnetic induction heating principle, so that tobacco tar consumables stored in the second consumable utensil are heated;

the main controller is used for selectively controlling the first heating module to start up according to the type information of the smoke cartridge after the type information of the smoke cartridge is acquired so as to heat tobacco tar consumables stored in a first consumable material vessel arranged in the first target smoke cartridge, or selectively controlling the second heating module to start up according to the type information of the smoke cartridge so as to heat tobacco tar consumables stored in a second consumable material vessel arranged in the second target smoke cartridge.

The electronic cigarette heating control circuit that this application embodiment provided includes first heating module, second heating module and main control unit. Wherein the first heating module is used for heating a first target object based on an electric heating principle when the heating device is started to work, the first target object is arranged in a first target smoke bomb so as to heat tobacco tar consumables stored in a first consumable utensil arranged in the first target smoke bomb through the first target object, the second heating module is used for generating an alternating magnetic field around a second target object when the heating device is started to work, the second target object is arranged in a second target smoke bomb so as to carry out electromagnetic induction heating on a second consumable utensil arranged in the second target smoke bomb based on the electromagnetic induction heating principle so as to heat the tobacco tar consumables stored in the second consumable utensil, and the main controller is used for selectively controlling the first heating module to work according to the type information of the smoke bomb after the type information of the smoke bomb is obtained so as to heat the tobacco tar consumables stored in the first consumable utensil arranged in the first target smoke bomb, or selectively controlling the second heating module to start according to the type information of the cartridge so as to heat the tobacco tar consumables stored in a second consumable vessel arranged in the second target cartridge. Obviously, the electronic cigarette heating control circuit that this application embodiment provided can select corresponding heating methods (electrical heating or electromagnetic induction heating) to realize the heating to consumptive material household utensils in the target cigarette bullet according to cigarette bullet type information, consequently, for prior art, the product usage is abundant relatively, has also strengthened the range of application.

With reference to the first aspect, an embodiment of the present application further provides a first optional implementation manner of the first aspect, where the first heating module includes a first driving unit and a first switch control unit, and the first driving unit is connected to the main controller and the first switch control unit respectively;

the first driving unit is used for controlling the first switch control unit to be conducted when receiving an electric heating starting signal sent by the main controller;

the first switch control unit is used for being connected with the first target object so as to enable the first target object to be electrified when the first switch control unit is in a conducting state, and therefore the first target object is heated.

In the above embodiment, the first heating module includes a first driving unit and a first switch control unit, the first driving unit is respectively connected to the main controller and the first switch control unit, the first driving unit is configured to control the first switch control unit to be turned on when receiving an electric heating start signal sent by the main controller, and the first switch control unit is configured to be connected to the first target object so as to energize the first target object to heat the first target object when the first switching control unit is in an on state. The whole circuit structure of the first heating module is relatively simple, the complexity of a signal transmission path is reduced, and meanwhile, the design and manufacturing cost of the electronic cigarette heating control circuit is also reduced.

With reference to the first aspect, an embodiment of the present application further provides a second optional implementation manner of the first aspect, where the second heating module includes a logic control unit, a second driving unit, and a second switch control unit, the logic control unit is connected to the main controller and the second driving unit, respectively, and the second driving unit is further connected to the second switch control unit;

the logic control unit is used for controlling the second switch control unit to continuously execute the on-off cyclic action through the second driving unit when receiving the electromagnetic heating starting signal sent by the main controller;

the second switch controller unit is used for being connected with the second target object so as to enable the second target object to generate an alternating magnetic field around the second target object when the second switch controller unit continuously performs the cyclic action of conducting and then closing.

In the above embodiment, the second heating module includes a logic control unit, a second driving unit and a second switch control unit, the logic control unit is connected to the main controller and the second driving unit, the second driving unit is further connected to the second switch control unit, the logic control unit is configured to control the second switch control unit to continuously perform the on-off cyclic action through the second driving unit when receiving the electromagnetic heating start signal sent by the main controller, and the second switch control unit is configured to be connected to the second target object so as to generate an alternating magnetic field around the second target object when the second switch control unit continuously performs the on-off cyclic action. The whole circuit structure of the second heating module is relatively simple, the complexity of a signal transmission path is reduced, and meanwhile, the design and manufacturing cost is also reduced.

With reference to the second optional implementation manner of the first aspect, an embodiment of the present application further provides a third optional implementation manner of the first aspect, where the logic control unit includes an inverter, a flip-flop, and a comparator, the inverter is connected to the main controller and the flip-flop respectively, the flip-flop is further connected to the second driving unit, and the comparator is connected to the main controller and the flip-flop respectively;

the inverter is used for inverting the electromagnetic heating starting signal when receiving the electromagnetic heating starting signal sent by the main controller so as to enable the trigger to output a conduction control signal, and the second driving unit is used for controlling the conduction of the second switch control unit according to the conduction control signal so as to enable a second target object to generate a target current;

when the target current generated on the second target object is increased, the comparator is used for enabling the trigger to output a closing signal when the target current is monitored to be lower than a preset current value, and the second driving unit is used for controlling the second switch control unit to be closed according to the closing signal so as to reduce the target current generated on the second target object;

and in the process of reducing the target current generated on the second target object, when the voltage to ground of the second target object is reduced to a target voltage value, the trigger is enabled to output a conduction control signal, and the second driving unit is used for controlling the second switch control unit to be conducted according to the conduction control signal so as to execute the next conduction and then closing cyclic action.

With reference to the third optional implementation manner of the first aspect, an embodiment of the present application further provides a fourth optional implementation manner of the first aspect, and the comparator is further configured to obtain a preset current value.

With reference to the fourth optional implementation manner of the first aspect, the present application provides an example of a fifth optional implementation manner of the first aspect, and the second heating module further includes a filtering unit, and the comparator is connected to the main controller through the filtering unit;

the filtering unit is used for receiving the pulse width modulation signal sent by the main controller and filtering the pulse width modulation signal so that the comparator obtains a preset current value according to the pulse width modulation signal after filtering.

In the above embodiment, the second heating module further includes a filtering unit, the comparator is connected to the main controller through the filtering unit, and the filtering unit is configured to receive the pulse width modulation signal sent by the main controller and perform filtering processing on the pulse width modulation signal, so that the comparator obtains a preset current value according to the pulse width modulation signal after the filtering processing, thereby improving reliability of the electronic cigarette heating control circuit.

In combination with the first aspect, embodiments of the present application further provide a sixth optional implementation manner of the first aspect, where the first target object includes a heating resistance wire, and/or the second target object includes an electromagnetic induction coil.

In a second aspect, an embodiment of the present application further provides an electronic cigarette host, which includes a host housing and the electronic cigarette heating control circuit provided in the first aspect or any one of the optional implementation manners of the first aspect, where the electronic cigarette heating control circuit is disposed inside the host housing.

The electronic cigarette host provided in the embodiment of the present application has the same beneficial effects as the electronic cigarette heating control circuit provided in the first aspect or any one of the optional implementation manners of the first aspect, and details are not repeated here.

In combination with the second aspect, an embodiment of the present application further provides a first optional implementation manner of the second aspect, a mounting interface is provided on the main chassis, and the first target cartridge and the second target cartridge can be detachably mounted on the main chassis through the mounting interface.

In the above embodiment, the main case is provided with the installation interface, and the first target cartridge and the second target cartridge can be detachably installed on the main case through the installation interface, so that the convenience of replacing the target cartridges is improved.

In a third aspect, an embodiment of the present application further provides an electronic cigarette, including a target cartridge and the electronic cigarette host provided in the second aspect or the first optional implementation manner of the second aspect, where the target cartridge is detachably disposed on the electronic cigarette host, and the target cartridge is the first target cartridge or the second target cartridge.

The electronic cigarette provided in the embodiment of the present application has the same beneficial effects as the electronic cigarette host provided in the first aspect or any one of the optional implementation manners of the first aspect, and details are not repeated here.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural block diagram of an electronic cigarette heating control circuit provided in an embodiment of the present application.

Fig. 2 is a schematic circuit diagram of an electronic cigarette heating control circuit according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of an electronic cigarette host according to an embodiment of the present application.

Fig. 4A and 4B are assembly views of an electronic cigarette host according to an embodiment of the present disclosure.

Fig. 5 is an explanatory diagram of an auxiliary structure of an electronic cigarette according to an embodiment of the present application.

Fig. 6A, 6B and 6C are assembly views of a first target cartridge according to an embodiment of the present disclosure.

Fig. 7A and 7B are assembly views of a second target cartridge according to embodiments of the present disclosure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Furthermore, it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Referring to fig. 1, an electronic cigarette heating control circuit 100 according to an embodiment of the present application includes a first heating module 110, a second heating module 120, and a main controller 130, where the main controller 130 is connected to the first heating module 110 and the second heating module 120, respectively.

Wherein the first heating module 110 is used for heating a first target object based on an electric heating principle when the gas stove is started, the first target object is arranged in a first target smoke bomb so as to heat tobacco tar consumable stored in a first consumable container arranged in the first target smoke bomb through the first target object, the second heating module 120 is used for generating an alternating magnetic field around a second target object when the gas stove is started, the second target object is arranged in a second target smoke bomb so as to perform electromagnetic induction heating on a second consumable container arranged in the second target smoke bomb based on an electromagnetic induction heating principle so as to heat tobacco tar consumable stored in the second consumable container, and the main controller 130 is used for selectively controlling the first heating module 110 to start according to the smoke bomb type information after the smoke bomb type information is obtained so as to heat the tobacco tar of the consumable stored in the first consumable container arranged in the first target smoke bomb, or selectively controlling the second heating module 120 to start according to the type information of the cartridge so as to heat the tobacco tar consumables stored in a second consumable vessel arranged in the second target cartridge.

It should be noted that, in the embodiment of the present application, the first target object may include a heating resistance wire, and the second target object may include an electromagnetic induction coil.

During practical implementation, the first target object can further comprise a ceramic heating body for wrapping the heating resistance wire, and meanwhile, the ceramic heating body is embedded into a first consumable material vessel arranged in the first target smoke cartridge so as to achieve the purpose of heating the tobacco tar consumable materials stored in the first consumable material vessel arranged in the first target smoke cartridge.

In addition, in the case of the "second heating module 120 for generating an alternating magnetic field around a second target object, which is disposed in a second target cartridge, the second consumable vessel arranged in the second target cartridge is subjected to electromagnetic induction heating based on the electromagnetic induction heating principle, thereby heating the tobacco tar consumables stored in the second consumables vessel, when actually implemented, an inductive conductor may be disposed in the second target cartridge and in contact with a second consumable vessel disposed in the second target cartridge, the inductive conductor being configured to, when an alternating magnetic field is generated around the second target object, the induction conductor is used for cutting the magnetic induction lines generated in the alternating magnetic field to generate induction current to generate heat, thereby the second consumptive material household utensils that set up in the second target cigarette bullet of heating finally, realize carrying out the purpose of heating to the tobacco tar consumptive material of storage in the second consumptive material household utensils.

Referring to fig. 2, regarding the first heating module 110, in the embodiment of the present application, as an alternative implementation manner, it may include a first driving unit 111 and a first switch control unit 112, where the first driving unit 111 is connected to the main controller 130 and the first switch control unit 112, respectively.

The first driving unit 111 is configured to control the first switch control unit 112 to be turned on when receiving an electrical heating start signal sent by the main controller 130, and the first switch control unit 112 is configured to be connected to the first target object, so as to energize the first target object when the first switch control unit is in an on state, so as to heat the first target object.

In practical implementation, the first driving unit 111 may be a driving controller, and may be a specific model FAN3111E, which is shown as U1, a first pin of the driving controller U1 is connected to the first power source V6D6, a voltage value of the first power source V6D6 may be located in a first voltage value range [4.5V, 18V ], a second pin of the driving controller U1 is connected to the analog ground GND1, a fourth pin of the driving controller U1 is connected to the second power source VDD, a voltage value of the second power source VDD may be located in a second voltage value range [1.8V, 4.2V ], a third pin (signal input end) of the driving controller U1 serves as a signal connection end PCCNT of the driving controller U1 and is connected to the main controller 130, so as to control the first switching control unit 112 to be turned on when receiving an electric heating start signal sent by the main controller 130, a turn-on signal is output through a fifth pin (signal output end) of the driving controller U1, and the turn-on signal controls the first switch control unit 112 to turn on after passing through the first protection resistor R1. After the first switch control unit 112 is turned on, the first target object connected between the first target input terminal B + and the second target input terminal O1+ is energized to generate heat (the first target input terminal B + is connected to the second power supply VDD). In practical implementation, the first switch control unit 112 may be regarded as an N-channel fet, which is shown as U2, and its specific model may be JM2016, and the resistance of the first protection resistor R1 may be 20 Ω.

In addition, in the embodiment of the present application, a first filter capacitor C1 is further included between the first pin of the drive controller U1 and the second pin of the drive controller U1, and a capacitance value of the first filter capacitor may be 10 UF.

As for the second heating module 120, in the embodiment of the present application, as an optional implementation manner, it may include a logic control unit 121, a second driving unit 122, and a second switch control unit 123, where the logic control unit 121 is connected to the main controller 130 and the second driving unit 122, respectively, and the second driving unit 122 is further connected to the second switch control unit 123.

Wherein, the logic control unit 121 is configured to control the second switch control unit 123 to continuously perform the on-off cycling action through the second driving unit 122 when receiving the electromagnetic heating start signal sent by the main controller 130, and the second switch controller unit is configured to be connected with the second target object so as to generate an alternating magnetic field around the second target object when the second switch controller unit continuously performs the on-off cycling action.

In order to reduce the consumption of electronic devices and reduce the design and manufacturing cost of the electronic cigarette heating control circuit 100, in the embodiment of the present application, the second driving unit 122 and the first driving unit 111 may be shared, and similarly, the second switch control unit 123 and the first switch control unit 112 may also be shared.

Further, in the embodiment of the present application, the logic control unit 121 includes an inverter U3, a flip-flop U4, and a comparator U5, the inverter U3 is connected to the main controller 130 and the flip-flop U4, respectively, the flip-flop U4 is further connected to the second driving unit 122, and the comparator U5 is connected to the main controller 130 and the flip-flop U4, respectively.

Wherein the inverter U3 is configured to invert the electromagnetic heating start signal when receiving the electromagnetic heating start signal sent by the main controller 130, so that the flip-flop U4 outputs an on control signal, the second driving unit 122 is configured to control the second switch control unit 123 to be turned on according to the on control signal, so that a target current is generated on the second target object, the target current generated on the second target object is in an increasing process, the comparator U5 is configured to cause the flip-flop U4 to output an off signal when it is monitored that the target current is lower than a preset current value, the second driving unit 122 is configured to control the second switch control unit 123 to be turned off according to the off signal, so that the target current generated on the second target object is reduced, the target current generated on the second target object is in a decreasing process, when the voltage to ground of the second target object is reduced to a target voltage value, the flip-flop U4 outputs the on control signal, the second driving unit 122 is configured to control the second switch control unit 123 to turn on according to the turn-on control signal, so as to execute a next turn-on and turn-off cycle.

Further, in the embodiment of the present application, the comparator U5 is further configured to obtain a preset current value. In addition, in order to improve the reliability of the electronic cigarette heating control circuit 100, in the embodiment of the present application, the second heating module 120 further includes a filtering unit 124, and the comparator U5 is connected to the main controller 130 through the filtering unit 124. The filtering unit 124 is configured to receive a Pulse Width Modulation (PWM) signal sent by the main controller 130, and filter the PWM signal, so that the comparator U5 obtains a preset current value according to the filtered PWM signal.

Hereinafter, a specific connection mode of the second heater block 120 in the embodiment of the present application will be described by taking as an example that the second driver unit 122 is shared by the first driver unit 111, the second switch control unit 123 is shared by the first switch control unit 112, the second driver unit 122 is a driver controller FAN3111E, which is denoted as U1 in the drawing, the second switch control unit 123 is a switching device JM2016, which is denoted as U2 in the drawing, the inverter U3 is specifically of SN74LVC1G14, the flip-flop U4 is a D flip-flop U4, the flip-flop U4 is specifically of 74LVC1G175, and the comparator U5 is specifically of FAN156L 6X.

A second pin (signal input end) of the inverter U3 is connected to the main controller 130 as an electromagnetic heating start control end CPSP, and is connected to a second power supply VDD through a pull-up resistor R2, a third pin of the inverter U3 is connected to an analog ground GND1, a fourth pin (signal output end) of the inverter U3 is connected to a first pin (clock control end) of the flip-flop U4, and a fifth pin of the inverter U3 is connected to a third pin (data input end) of the flip-flop U4, and is connected to the second power supply VDD. In actual practice, the pull-up resistor R2 may have a value of 10K Ω.

A second pin of the trigger U4 is connected to an analog ground GND1, a fourth pin (data output end) of the trigger U4 is connected to a third pin of the drive controller U1 through a first isolation resistor R3, a fifth pin of the trigger U4 is connected to an analog ground GND1, a sixth pin (zero clearing control end) of the trigger U4 is used as a mode selection end SAEF and is connected to the main controller 130, if the main controller 130 obtains the information of the type of the cartridge, the first heating module 110 is selectively controlled to start up according to the information of the type of the cartridge to heat the tobacco tar consumables stored in the first consumable ware arranged in the first target cartridge, the main controller 130 inputs a low-level logic signal '0' into the mode selection end SAEF, if the main controller 130 selects and controls the second heating module 120 to start up according to the information of the type of the cartridge to heat the tobacco tar consumables in the second consumable ware arranged in the second target cartridge, the main controller 130 inputs a high level logic signal '1' at the mode selection terminal SAEF. In addition, in practical implementation, the resistance of the first isolation resistor R3 may be 10K Ω.

A third pin (a first comparison signal input end) of the comparator U5 is connected to the signal output end of the filtering unit 124, and is connected to the digital ground GND2 through a second protection resistor R4, and a fourth pin (a second comparison signal input end) of the comparator U5 is connected to the analog ground GND1, and is connected to the digital ground GND2 through a second isolation resistor R5. In practical implementation, the resistance of the second protection resistor R4 may be 2K Ω, and the second isolation resistor R5 may be a zero-ohm resistor or a resistor with a resistance value infinitely close to 0. In addition, a second pin of the comparator U5 is connected to an analog ground GND1, a sixth pin of the comparator U5 is connected to the second power supply VDD through a third protection resistor R6, and meanwhile, the comparator U5 is connected to a first filter circuit including a second filter capacitor C2, and a second filter capacitor C2 is connected to an analog ground GND1, and a first pin (comparison result output end) of the comparator U5 is connected to a sixth pin (clear control end) of the flip-flop U4 through a fourth protection resistor R7. In practical implementation, the third protection resistor R6 may have a resistance of 20 Ω, the second filter capacitor C2 may have a capacitance of 0.01UF, and the fourth protection resistor R7 may have a resistance of 2K Ω.

For the filtering unit 124, it may include a first resistor R8 and a third filtering capacitor C3 connected in series, and the third filtering capacitor C3 is connected to the second filtering circuit of the digital ground GND2, meanwhile, the filter circuit comprises a second resistor R9 and a fourth filter capacitor C4 which are connected in series, the fourth filter capacitor C4 is connected into a third filter circuit of a digital ground GND2, and a fourth filter circuit including a third resistor R10 and a fifth filter capacitor C5 connected in series, wherein the fifth filter capacitor C5 is connected to the digital ground GND2, and furthermore, the input terminal of the first resistor R8 is used as the PWM signal receiving terminal CPISET of the filter unit 124, is connected with the main controller 130, the output end of the first resistor R8 is connected with the input end of the second resistor R9, the output end of the second resistor R9 is connected with the input end of the third resistor R10, and the PWM signal output terminal of the output terminal filtering unit 124 of the third resistor R10 is connected to the third pin (the first comparison signal input terminal) of the comparator U5. In practical implementation, the resistance of the first resistor R8 may be 10K Ω, the capacitance of the third filter capacitor C3 may be 0.01UF, the resistance of the second resistor R9 may be 10K Ω, the capacitance of the fourth filter capacitor C4 may be 0.01UF, the resistance of the third resistor R10 may be 51K Ω, and the capacitance of the fifth filter capacitor C5 may be 47 PF.

Based on the above-mentioned structure of the second heat module 120, in order to realize the basic function of the second heat module 120, in this embodiment, the second heat module may further include an excitation capacitor C6, the output terminal of the switching device U2 is connected to the second power supply VDD through the excitation capacitor C6, and meanwhile, two ends of the excitation capacitor C6 are respectively connected to the first target access terminal B + and the second target access terminal O1+, and at this time, the first target access terminal B + and the second target access terminal O1+ are used for connecting the second target object. In addition, the second heating module 120 further includes a diode D1, a positive electrode of the diode D1 is connected to the second pin (signal input terminal) of the inverter U3, and a negative electrode of the diode D1 is connected to the first target input terminal O1 +.

Hereinafter, the operation principle of the second heating module 120 in the embodiment of the present application will be described by taking the second driving unit 122 and the first driving unit 111 as an example, and simultaneously, the second switch control unit 123 and the first switch control unit 112 as an example, the second driving unit 122 is a driving controller FAN3111E, the second switch control unit 123 is a switching device JM2016, the specific model of the inverter U3 is SN74LVC1G14, the flip-flop U4 is a D flip-flop U4, the specific model is 74LVC1G175, and the specific model of the comparator U5 is FAN156L 6X.

The main controller 130 sets the signal access terminal PCCNT of the driving controller U1 to a high impedance state, and then inputs a PWM signal at the PWM signal receiving terminal CPISET of the filtering unit 124, and the PWM signal is filtered by the filtering unit 124, so that the comparator U5 obtains a preset current value according to the filtered PWM signal.

The main controller 130 inputs an electromagnetic heating start signal to a second pin (signal input end) of the inverter U3, that is, the electromagnetic heating start control end CPSP, the inverter U3 inverts the electromagnetic heating start signal, so that the flip-flop U4 outputs a conduction control signal, and the driving controller U1 controls the switching device U2 to be turned on according to the conduction control signal, so that a target current is generated on a second target object, and the target current is continuously increased.

In the process of increasing the target current generated on the second target object, the comparator U5 monitors the change of the target current, and when the monitored target current is lower than the preset current value, a clear controller signal is output at the first pin (the comparison result output end) to enable the trigger U4 to output a closing signal, the drive controller U1 controls the switching device U2 to close according to the closing signal, and the target current generated on the second target object is reduced when the switching device U2 is closed.

In the process of decreasing the target current generated in the second target object, the voltage to ground of the second target object (mainly the voltage to ground of the first target access terminal O1 +) rapidly rises and then falls under the action of the exciting capacitor C6, when the voltage to ground of the second target object falls to the target voltage value, the state of the fourth pin (data output terminal) of the flip-flop U4 is switched due to the unidirectional conduction action of the diode D1, and the second driving unit 122 controls the second switch control unit 123 to be switched on according to the switch-on control signal so as to execute the next switch-on and switch-off cyclic action.

It can be understood that through the above-mentioned cyclic action, alright produce alternating magnetic field around making the second target object, and the second target object sets up in the second target cigarette bullet to carry out electromagnetic induction heating to the second consumptive material household utensils that set up in the second target cigarette bullet based on the electromagnetic induction heating principle, thereby heat the tobacco tar consumptive material of the interior storage of second consumptive material household utensils.

Finally, the main controller 130 may be an Integrated Circuit chip having Signal processing capability, and the main controller 130 may also be a general-purpose Processor, for example, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a discrete gate or transistor logic device, a discrete hardware component, which can implement or execute each logic block disclosed in the embodiments of the present Application, and furthermore, the general-purpose Processor may be a microprocessor or any conventional Processor.

Through the above arrangement, the electronic cigarette heating control circuit 100 provided in the embodiment of the present application can select a corresponding heating mode (electrical heating or electromagnetic induction heating) to realize heating of consumable utensils in a target cartridge (a first target cartridge or a second target cartridge) according to cartridge type information, and therefore, compared with the prior art, the electronic cigarette heating control circuit has relatively rich product usage and also enhances the applicable range.

Referring to fig. 3, fig. 4A and fig. 4B, an embodiment of the present invention further provides an electronic cigarette host 10, which includes a host case 200 and the electronic cigarette heating control circuit 100, wherein the electronic cigarette heating control circuit 100 is disposed inside the host case 200.

In addition, in this application embodiment, be provided with installation interface 210 on the main chassis 200, and first target cigarette bullet and second target cigarette bullet can be installed on main chassis 200 through installation interface 210 detachable to the convenient degree that target cigarette bullet was changed has been improved. In specific implementation, the mounting interface 210 may be a threaded interface or a snap interface, which is not specifically limited in this embodiment of the present application.

As shown in fig. 4A and 4B, for the specific structure of the electronic cigarette main unit 10, in the embodiment of the present application, besides the main housing 200 and the electronic cigarette heating control circuit 100, the electronic cigarette main unit may further include an air adjusting ring 300, an air adjusting ring base 400, a charging seat support 500, an ignition key 600, a circuit support 700, a battery 800 and a bottom support 900, and the air adjusting ring 300, the air adjusting ring base 400, the charging seat support 500, the ignition key 600, the circuit support 700, the battery 800 and the bottom support 900 may adopt the same or similar arrangement manner as the prior art, which is not described herein again in the embodiment of the present application.

It should be noted that, in this embodiment of the application, the information about the type of the cartridge may be directly read by the main controller 130 from a memory chip disposed in the target cartridge after the target cartridge is detachably mounted on the main chassis 200 through the mounting interface 210, which is not described in this embodiment of the application again. In addition, it should be further described that, in the embodiment of the present application, the information about the type of the smoke cartridge may also be used to characterize a specific form of the tobacco tar consumable stored in the consumable container in the target smoke cartridge, for example, specifically, a paste (smoke cream) or a liquid (smoke oil), and if the tobacco tar consumable stored in the consumable container in the target smoke cartridge is a paste, the main controller 130 further needs to preheat the tobacco tar consumable stored in the consumable container at a low temperature before controlling the electronic cigarette heating control circuit 100 to formally start up.

In addition, in the embodiment of the present application, in addition to the information about the type of the target cartridge, a Universal Unique Identifier (UUID) and a ciphertext of the target cartridge are stored in a storage chip disposed in the target cartridge, after the target cartridge is detachably mounted on the main chassis 200 through the mounting interface 210, the main controller 130 directly reads the UUID and the ciphertext from the storage chip disposed in the target cartridge, and determines whether the target cartridge is a valid cartridge according to the UUID and the ciphertext, and after determining whether the target cartridge is a valid cartridge, the electronic cigarette heating control circuit 100 is controlled to select a corresponding heating mode (electrical heating or electromagnetic induction heating) according to the information about the type of the target cartridge to heat the consumable in the target cartridge. The method for the main controller 130 to determine whether the target cartridge is a legal cartridge according to the UUID and the ciphertext may specifically be: the main controller 130 uses the UUID as a Key of the decryption algorithm, decrypts the information stored in the ciphertext through the decryption algorithm to obtain decryption information, and extracts the identification code included in the decryption information to determine whether the target cartridge is a legal cartridge according to the identification code.

Referring to fig. 5, an electronic cigarette 1 provided in the embodiment of the present application includes a target cartridge 20 and the electronic cigarette host 10, the target cartridge 20 is detachably disposed on the electronic cigarette host 10, the target cartridge 20 is a first target cartridge 21 or a second target cartridge 22, and both the first target cartridge 21 and the second target cartridge 22 can be detachably disposed on the electronic cigarette host 10 through a mounting interface 210 disposed on a host housing 200.

Referring to fig. 6A, fig. 6B and fig. 6C, for the first target cartridge 21, in the embodiment of the present application, the first target cartridge may include a mouthpiece housing 2101, a mouthpiece support 2102, a consumable vessel top silica gel 2103, a first consumable vessel 2104, a smoke tube 2105, a heating resistance wire 2106, a heating body silica gel 2107, a heating body fixing member 2108, a heating body support 2109, a signal interface support 2111 and a signal interface component 2112, where the heating resistance wire 2106 is a first target object and may be wrapped inside a ceramic heating body, and the signal interface component 2112 may be a TYPE-C component.

In practical implementation, the mouthpiece support 2102, the consumable vessel top silica gel 2103, the consumable vessel 2104, the smoke tube 2105, the heating resistance wire 2106, the heating element silica gel 2107, the heating element fixing part 2108, the heating element support 2109, the signal interface support 2111 and the signal interface component 2112 are arranged inside the mouthpiece shell 2101, the mouthpiece support 2102 is located at the first end part of the mouthpiece shell 2101, the consumable vessel 2104 is isolated from the mouthpiece support 2102 by the consumable vessel top silica gel 2103, the smoke tube 2105 is arranged inside the consumable vessel 2104 and is used for being communicated with a through hole arranged at the first end part of the mouthpiece shell 2101, the heating resistance wire 2106 is wrapped inside the ceramic heating element and is embedded into the first consumable vessel 2104, fixing is realized by the heating element fixing part 2108, isolation from the mouthpiece shell 2101 is realized by the heating element silica gel 2107, in addition, the signal interface support 2111 is used for supporting the signal interface component 2112, the signal interface housing 2110 is disposed at a second end of the cartridge cover for connecting with the mounting interface 210 disposed on the main housing 200.

Referring to fig. 7A and 7B, in the embodiment of the present application, for the second target cartridge 22, it may include a cartridge upper cover 2201, a first consumable container 2202, a signal interface bracket 2203, an induction conductor 2204, a heat insulation bin 2205, an electromagnetic induction coil 2216, a heating element base 2207, and a signal interface component 2208, where the electromagnetic induction coil 2216 is the second target object, and the signal interface component 2208 may be a TYPE-C component.

In practical implementation, the first consumable vessel 2202, the signal interface support 2203, the induction conductor 2204, the heat insulation bin 2205, the electromagnetic induction coil 2206 and the signal interface component 2208 are arranged inside the smoke bomb upper cover 2201, the induction conductor 2204 is in contact with the consumable vessel 2202, is close to the electromagnetic induction coil 2206, and is isolated by the heat insulation bin 2205, in addition, the signal interface support 2203 is used for supporting the signal interface component 2208, and the heating element base 2207 is arranged at the end of the smoke bomb upper cover 2201 and is used for connecting the installation interface 210 arranged on the main machine shell 200.

In summary, the electronic cigarette heating control circuit 100 provided in the embodiment of the present application includes the first heating module 110, the second heating module 120, and the main controller 130. Wherein the first heating module 110 is used for heating a first target object based on an electric heating principle when in starting operation, the first target object is arranged in a first target cartridge to heat tobacco tar consumables stored in a first consumable container arranged in the first target cartridge through the first target object, the second heating module 120 is used for generating an alternating magnetic field around a second target object when in starting operation, the second target object is arranged in a second target cartridge to perform electromagnetic induction heating on a second consumable container arranged in the second target cartridge based on an electromagnetic induction heating principle so as to heat the tobacco tar consumables stored in the second consumable container, and the main controller 130 is used for selectively controlling the first heating module 110 to start operation according to the tobacco tar type information after acquiring the tobacco tar type information so as to heat the tobacco tar of the consumable container stored in the first consumable container arranged in the first target cartridge, or selectively controlling the second heating module 120 to start according to the type information of the cartridge so as to heat the tobacco tar consumables stored in a second consumable vessel arranged in the second target cartridge. Obviously, the electronic cigarette heating control circuit 100 provided in the embodiment of the present application can select a corresponding heating mode (electrical heating or electromagnetic induction heating) to heat a consumable vessel in a target cigarette cartridge according to the type information of the cigarette cartridge, so that, compared with the prior art, the product is relatively rich in use, and the applicable range is also enhanced.

Further, the electronic cigarette host provided in the embodiment of the present application has the same beneficial effects as the electronic cigarette heating control circuit 100, and details are not repeated herein.

The electronic cigarette provided by the embodiment of the application has the same beneficial effects as the electronic cigarette host, and the description is omitted here.

In the description of the present application, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," and "installed" should be interpreted broadly, and may be, for example, mechanically fixed, detachably connected, or integrally connected, electrically connected, and communicatively connected, where the communicative connection may be a wired communicative connection or a wireless communicative connection, and may be directly connected, indirectly connected through an intermediate medium, or communicated between two elements, and the specific meaning of the above terms in the present application may be understood by those skilled in the art according to specific situations. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The above description is only a few examples of the present application and is not intended to limit the present application, and those skilled in the art will appreciate that various modifications and variations can be made in the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The electronic cigarette heating control circuit is characterized by comprising a first heating module, a second heating module and a main controller, wherein the main controller is respectively connected with the first heating module and the second heating module;

the first heating module is used for heating a first target object based on an electric heating principle when the first heating module is started to work, wherein the first target object is arranged in a first target cartridge so as to heat tobacco tar consumables stored in a first consumable utensil arranged in the first target cartridge through the first target object;

the second heating module is used for generating an alternating magnetic field around a second target object when the second heating module is started to work, and the second target object is arranged in a second target cigarette cartridge so as to perform electromagnetic induction heating on a second consumable utensil arranged in the second target cigarette cartridge based on an electromagnetic induction heating principle, so that tobacco tar consumables stored in the second consumable utensil are heated;

the main controller is used for selectively controlling the first heating module to start according to the type information of the smoke cartridge after the type information of the smoke cartridge is obtained so as to heat tobacco tar consumables stored in a first consumable container arranged in a first target smoke cartridge, or selectively controlling the second heating module to start according to the type information of the smoke cartridge so as to heat tobacco tar consumables stored in a second consumable container arranged in a second target smoke cartridge.

2. The electronic cigarette heating control circuit of claim 1, wherein the first heating module comprises a first driving unit and a first switch control unit, the first driving unit being connected to the main controller and the first switch control unit, respectively;

the first driving unit is used for controlling the first switch control unit to be conducted when receiving an electric heating starting signal sent by the main controller;

the first switch control unit is used for being connected with the first target object so as to electrify the first target object to heat the first target object when the first switch control unit is in a conducting state.

3. The electronic cigarette heating control circuit of claim 1, wherein the second heating module comprises a logic control unit, a second driving unit and a second switch control unit, the logic control unit is connected with the main controller and the second driving unit respectively, and the second driving unit is further connected with the second switch control unit;

the logic control unit is used for controlling the second switch control unit to continuously execute the on-off cyclic action through the second driving unit when receiving the electromagnetic heating starting signal sent by the main controller;

the second switch control unit is used for being connected with the second target object so as to enable the second target object to generate an alternating magnetic field around the second target object when the second switch control unit continuously executes the on-off cyclic action.

4. The electronic cigarette heating control circuit of claim 3, wherein the logic control unit comprises an inverter, a trigger and a comparator, the inverter is connected with the main controller and the trigger respectively, the trigger is further connected with the second driving unit, and the comparator is connected with the main controller and the trigger respectively;

the inverter is used for inverting the electromagnetic heating starting signal when receiving the electromagnetic heating starting signal sent by the main controller so as to enable the trigger to output a conduction control signal, and the second driving unit is used for controlling the second switch control unit to be conducted according to the conduction control signal so as to enable the second target object to generate a target current;

when the target current generated on the second target object is increased, the comparator is used for enabling the trigger to output a closing signal when the target current is monitored to be lower than a preset current value, and the second driving unit is used for controlling the second switch control unit to be closed according to the closing signal so as to enable the target current generated on the second target object to be reduced;

and in the process of reducing the target current generated on the second target object, when the voltage to ground of the second target object is reduced to a target voltage value, the trigger is enabled to output the conduction control signal so as to execute the next conduction and then closing cyclic action.

5. The electronic cigarette heating control circuit of claim 4, wherein the comparator is further configured to obtain the preset current value.

6. The electronic cigarette heating control circuit of claim 5 wherein the second heating module further comprises a filtering unit, the comparator being connected to the main controller through the filtering unit;

the filtering unit is used for receiving the pulse width modulation signal sent by the main controller and filtering the pulse width modulation signal so that the comparator obtains the preset current value according to the pulse width modulation signal after filtering.

7. The electronic cigarette heating control circuit of claim 1, wherein the first target object is to include a heating resistance wire and/or the second target object includes an electromagnetic induction coil.

8. An electronic cigarette host, characterized by comprising a host shell and the electronic cigarette heating control circuit of any one of claims 1 to 7, wherein the electronic cigarette heating control circuit is arranged inside the host shell.

9. The e-vaping host of claim 8, wherein the host housing is provided with a mounting interface, and the first and second target cartridges are removably mountable to the host housing via the mounting interface.

10. An electronic cigarette, comprising a target cartridge and the electronic cigarette host of claim 8 or 9, wherein the target cartridge is detachably disposed on the electronic cigarette host, and the target cartridge is the first target cartridge or the second target cartridge.

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