Electronic cigarette control circuit

Abstract

The present invention proposes an electronic cigarette control circuit, which includes: an atomization circuit module and a power supply circuit module. The atomization circuit module includes a first voltage divider unit and a data chip. The first voltage divider unit is used to divide the voltage output by the power supply circuit module, and the data chip is used to store or\and process data. The power supply circuit module includes a second voltage divider unit, a polarity conversion unit, a control unit and a battery. The second voltage divider unit is electrically connected to the first voltage divider unit. The polarity conversion unit is electrically connected to the battery and the data chip, and is used to transmit the battery's electrical energy to the atomization circuit module. When the atomization component is connected to the battery component, the control unit reads the voltage on the first voltage divider unit, and determines whether the atomization component is reversely connected according to the voltage on the first voltage divider unit. If it is reversely connected, the polarity conversion unit is controlled to convert the polarity of the battery output, so that the electronic cigarette can work normally and is more convenient for users to use.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic cigarette control circuits, and in particular to an electronic cigarette control circuit. Background Art

[0002] Electronic cigarettes, also known as electronic cigarettes, are mainly used to quit smoking and replace cigarettes. It has a flavor similar to that of cigarettes, and even has many more flavors than ordinary cigarettes. It can also inhale smoke, taste and feel like cigarettes. A typical electronic cigarette currently includes a detachably connected battery assembly and an atomizer assembly; the atomizer assembly includes a storage chip, a heating element and a first electrode, the storage chip is used to store atomizer parameters, such as a heating parameter, the heating parameter is characterized by the corresponding relationship between the resistance value and the temperature of the heating element, the storage chip and the heating element are electrically connected to the first electrode respectively; the above-mentioned battery assembly includes a battery, a control assembly and a second electrode, the control assembly is coupled to the battery, when the battery assembly is electrically connected to the atomizer assembly, the control assembly obtains the heating parameter from the storage chip in the atomizer, thereby controlling the battery to output the corresponding power parameter based on the heating parameter to heat the heating element.

[0003] Through the above method, on the one hand, a detachable connection method between the battery assembly and the atomizer assembly is provided, which is convenient for replacing damaged parts and brings convenience to users. On the other hand, by storing heating parameters in the atomizer assembly, different heating bodies can be heated to different degrees, so that the aerosol organic material can be better heated. However, during use, the DC power supply must be connected in strict accordance with the input polarity definition of the storage chip. If the positive and negative poles of the DC power supply are reversely connected to the positive and negative input terminals of the storage chip, the storage chip cannot be powered, which is inconvenient for users to use and may even damage components such as the storage chip. Therefore, when the above-mentioned battery assembly and atomizer assembly are combined, the positive and negative input terminals of the storage chip should be prevented from being reversely connected to the positive and negative poles of the DC power supply in the circuit. Summary of the invention

[0004] In order to solve the problems in the prior art, the present invention provides an electronic cigarette control circuit which can automatically perform polarity conversion when reversely connected.

[0005] The present invention provides an electronic cigarette control circuit, comprising: an atomization circuit module and a power supply circuit module, characterized in that the atomization circuit module comprises a first voltage dividing unit and a data chip, the first voltage dividing unit is used to divide the voltage output by the power supply circuit module; the data chip is used to store and / or process data; the power supply circuit module comprises a second voltage dividing unit, a polarity conversion unit, a control unit and a battery, the second voltage dividing unit is electrically connected to the first voltage dividing unit, and is used to cooperate with the first voltage dividing unit to divide the input voltage signal; the polarity conversion unit is electrically connected between the battery and the atomization circuit module, and is used to transmit the electric energy of the battery to the atomization circuit module; wherein the control unit is electrically connected to the polarity conversion unit and the first voltage dividing unit, and is configured to read the voltage signal on the first voltage dividing unit, so as to control the polarity conversion unit to switch the current direction of the battery output to the atomization circuit module according to the voltage signal on the first voltage dividing unit.

[0006] Preferably, the control unit includes a microprocessor, the second voltage dividing unit includes a first resistor, a first end of the first resistor is electrically connected to the second voltage dividing unit, and a second end of the first resistor is electrically connected to the microprocessor.

[0007] Preferably, the first voltage dividing unit comprises a second resistor, a first end of the second resistor is electrically connected to the first end of the first resistor and the microprocessor, and a second end of the second resistor is electrically connected to the polarity conversion unit.

[0008] Preferably, the second voltage dividing unit further includes a light emitting diode, and the light emitting diode is connected in series with the second resistor.

[0009] Preferably, the power supply circuit module further includes a third resistor, and the microprocessor is electrically connected to the second resistor via the third resistor.

[0010] Preferably, the atomization circuit module includes an electric heating element, which is used to heat the aerosol matrix material to form an aerosol; the power supply circuit module also includes a fourth resistor, a fifth resistor and a sixth resistor, the first end of the fourth resistor is electrically connected to the first end of the electric heating element, and the second end of the fourth resistor is electrically connected to the second end of the electric heating element; the first end of the fifth resistor is electrically connected to the second end of the electric heating element, and the second end of the fifth resistor is electrically connected to the microprocessor; the first end of the sixth resistor is electrically connected to the second end of the electric heating element, and the second end of the sixth resistor is electrically connected to the microprocessor.

[0011] Preferably, the atomization circuit module includes an electric heating element and a first circuit interface for connecting to the power supply circuit module, the electric heating element is used to heat the aerosol matrix material to form an aerosol; the first circuit interface includes a first electrode, a second electrode and a third electrode, the first end of the electric heating element is electrically connected to the first electrode, and the second end of the electric heating element is electrically connected to the third electrode; the first end of the first voltage divider unit is electrically connected to the second electrode, and the second end of the first voltage divider unit is electrically connected to the third electrode; the data chip is electrically connected to the second electrode.

[0012] Preferably, the power supply circuit module includes a second circuit interface, the second circuit interface includes a fourth electrode, a fifth electrode and a sixth electrode, the polarity conversion unit is electrically connected to the fourth electrode and the sixth electrode, the second voltage divider unit is electrically connected to the fifth electrode, the first electrode is electrically connected to the fourth electrode, the second electrode is electrically connected to the fifth electrode, the third electrode is electrically connected to the sixth electrode, and the control unit is electrically connected to the fifth electrode.

[0013] Preferably, the polarity conversion unit comprises a first transistor switch, a second transistor switch, a third transistor switch and a fourth transistor switch, the first transistor switch is electrically connected to the positive electrode of the battery, the fourth electrode and the microprocessor, and the second transistor switch is electrically connected to the positive electrode of the battery, the sixth electrode and the microprocessor;

[0014] The third transistor switch is electrically connected to the negative electrode of the battery, the sixth electrode and the microprocessor, and the fourth transistor switch is electrically connected to the negative electrode of the battery, the fourth electrode and the microprocessor, so that the current flows to the negative electrode of the battery through the first transistor switch, the first electrode, the electric heating element of the atomization circuit module and the third transistor switch, or the current flows to the negative electrode of the battery through the second transistor switch, the third electrode, the electric heating element of the atomization circuit module and the fourth transistor switch.

[0015] Preferably, the first transistor switch comprises a first transistor and a seventh resistor, the first signal transmission electrode of the first transistor is electrically connected to the positive electrode of the battery, the second signal transmission electrode of the first transistor is electrically connected to the fourth electrode, the control electrode of the first transistor is connected to the first end of the seventh resistor, and the second end of the seventh resistor is electrically connected to the first signal transmission electrode of the first transistor;

[0016] The second transistor switch includes a second transistor and an eighth resistor, the first signal transmission electrode of the second transistor is electrically connected to the positive electrode of the battery, the second signal transmission electrode of the second transistor is electrically connected to the sixth electrode, the control electrode of the second transistor is connected to the first end of the eighth resistor, and the second end of the eighth resistor is electrically connected to the first signal transmission electrode of the second transistor;

[0017] The third transistor switch includes a third transistor and a ninth resistor, wherein a first signal transmission electrode of the third transistor is electrically connected to the negative electrode of the battery, a second signal transmission electrode of the third transistor is electrically connected to the sixth electrode, a control electrode of the third transistor is electrically connected to a first end of the ninth resistor, a control electrode of the second transistor and the microprocessor, and a second end of the ninth resistor is electrically connected to the first signal transmission electrode of the third transistor;

[0018] The fourth transistor switch includes a fourth transistor and a tenth resistor, the first signal transmission electrode of the fourth transistor is electrically connected to the negative electrode of the battery, the second signal transmission electrode of the fourth transistor is electrically connected to the fourth electrode, the control electrode of the fourth transistor is electrically connected to the first end of the tenth resistor, the control electrode of the second transistor and the microprocessor, and the second end of the tenth resistor is electrically connected to the first signal transmission electrode of the fourth transistor.

[0019] Preferably, the electronic cigarette control circuit also includes a fifth transistor switch, and the first signal transmission electrode of the first transistor and the first signal transmission electrode of the second transistor are both electrically connected to the positive electrode of the battery through the fifth transistor switch; the microprocessor is electrically connected to the fifth transistor switch to control the fifth transistor switch to be turned on or off.

[0020] The present invention has the following beneficial effects: since the atomization circuit module includes a first voltage-dividing unit, the first voltage-dividing unit is used to divide the voltage output by the power supply circuit module, the power supply circuit module includes a second voltage-dividing unit and a polarity conversion unit, the second voltage-dividing unit is used to cooperate with the first voltage-dividing unit to divide the input voltage signal, and the polarity conversion unit is used to transmit the electric energy of the battery to the atomization circuit module. When the atomization component is connected to the battery component, the control unit reads the voltage on the first voltage-dividing unit, and determines whether the atomization component is reversely connected according to the voltage on the first voltage-dividing unit. If it is reversely connected, the polarity conversion unit is controlled to convert the polarity of the battery output, so that the electronic cigarette can work normally and is more convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0022] Figure 1 is a circuit diagram of an electronic cigarette control circuit provided by an embodiment of the present invention;

[0023] Figure 2 is a circuit diagram of a part of the circuit of a power supply circuit module of an electronic cigarette control circuit provided by another embodiment of the present invention;

[0024] Figure 3 is a circuit diagram of an electronic cigarette control circuit provided by another embodiment of the present invention;

[0025] Figure 4 is a circuit diagram of an atomization circuit module of an electronic cigarette control circuit provided by another embodiment of the present invention;

[0026] Figure 5 This is a circuit diagram of a part of the circuit of the power supply circuit module of the electronic cigarette control circuit provided in another embodiment of the present invention. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention is described in more detail below in conjunction with the accompanying drawings and specific implementation methods.

[0028] Example 1

[0029] See also Figure 1 The present invention proposes an electronic cigarette control circuit, including an atomization circuit module 10 and a power supply circuit module 20. The atomization circuit module 10 is located on the atomization component of the electronic cigarette, and the power supply circuit module 20 is located on the battery component of the electronic cigarette. When the atomization component and the battery component are physically combined, the atomization circuit module 10 and the power supply circuit module 20 form a circuit conduction. The atomization circuit module 10 includes an electric heating element RL, a data chip U, a first voltage dividing unit 11 and a first circuit interface 12. The electric heating element RL is electrically connected to the first circuit interface 12 and is used to atomize an aerosol organic material to form an aerosol. The aerosol organic material can be tobacco oil, tobacco paste or tobacco. Among them, the electric heating element RL can be an electric heating wire or an electric heating sheet, etc., as long as it can generate heat to atomize the aerosol when powered on.

[0030] The data chip U is electrically connected to the first circuit interface 12 for storing data. For example, the data chip U may include a read-only memory (ROM) or a random access memory (RAM). In some embodiments, the data chip U may be a single-chip microcomputer with a memory, so that the data chip U can not only store data but also process data. Therefore, it can be set as needed and is not specifically limited here. The first voltage divider unit 11 is electrically connected to the first circuit interface 12 for dividing the voltage output by the power supply circuit module 20.

[0031] The first voltage divider unit 11 includes a second resistor R2, a first end of the second resistor R2 is electrically connected to the data output pin of the data chip U, and a second end of the second resistor R2 is electrically connected to the ground pin of the data chip U. The first circuit interface 12 includes a first electrode J1, a second electrode J2 and a third electrode J3, a first end of the first voltage divider unit 11 is electrically connected to the second electrode J2, and a second end of the first voltage divider unit 11 is electrically connected to the third electrode J3. Specifically, the first electrode J1 is electrically connected to the first end of the electric heating element RL, the second electrode J2 is electrically connected to the data output pin of the data chip U and the first end of the second resistor R2, and the second end of the second resistor R2 is electrically connected to the third electrode J3. The first end of the electric heating element RL is electrically connected to the first electrode J1, and the second end of the electric heating element RL is electrically connected to the third electrode J3. The third electrode J3 is electrically connected to the ground pin of the data chip U.

[0032] The power supply circuit module 20 includes a second circuit interface 21, a second voltage divider unit 22, a polarity conversion unit 23, a control unit 24 and a battery 25. The second circuit interface 21 is detachably connected to the first circuit interface 12 for transmitting signals and supplying power to the electric heating element RL. The second circuit interface 21 includes a fourth electrode J4, a fifth electrode J5 and a sixth electrode J6. When the atomizer assembly is positively connected to the battery assembly, the first electrode J1, the second electrode J2 and the third electrode J3 are respectively arranged in a one-to-one correspondence with the fourth electrode J4, the fifth electrode J5 and the sixth electrode J6. The first electrode J1 is electrically connected to the fourth electrode J4, the second electrode J2 is electrically connected to the fifth electrode J5, and the third electrode J3 is electrically connected to the sixth electrode J6. The second voltage divider unit 22 is electrically connected to the first voltage divider unit 11, and is used to cooperate with the first voltage divider unit 11 to divide the input voltage signal. Specifically, the second voltage dividing unit 22 is electrically connected to the control unit 24, and is electrically connected to the first voltage dividing unit 11 through the second circuit interface 21 and the first circuit interface 12, wherein the control unit 24 and the second voltage dividing unit 22 are both electrically connected to the fifth electrode J5.

[0033] The control unit 24 is electrically connected to the polarity conversion unit 23 and the first voltage divider unit 11, and is used to read the voltage on the first voltage divider unit 11, so as to control the polarity conversion unit 23 to work according to the voltage on the first voltage divider unit 11. In this embodiment, the control unit 24 includes a microprocessor, and the power supply circuit module 20 also includes a third resistor R3, and the microprocessor is electrically connected to the second resistor R2 through the third resistor R3. The second voltage divider unit 22 includes a first resistor R1, a first end of the first resistor R1 is electrically connected to the second voltage divider unit 22, and a second end of the first resistor R1 is electrically connected to the microprocessor and the third electrode J3. When working, the voltage signal is provided to the first resistor R1 by the microprocessor, so that the voltage signal is more stable, and the signal interference caused by voltage instability is better avoided. The first end of the second resistor R2 is electrically connected to the first end of the first resistor R1 and the microprocessor, and the second end of the second resistor R2 is electrically connected to the polarity conversion unit 23.

[0034] The polarity conversion unit 23 is electrically connected to the battery 25 and the data chip U, and is used to transmit the electric energy of the battery 25 to the atomization circuit module 10. The polarity conversion unit 23 is electrically connected to the fourth electrode J4 and the sixth electrode J6, and the polarity conversion unit 23 is electrically connected to the data chip U and the electric heating element RL through the second circuit interface 21 and the first circuit interface 12.

[0035] The polarity conversion unit 23 includes a first transistor switch 231, a second transistor switch 232, a third transistor switch 233, and a fourth transistor switch 234. The first transistor switch 231 is electrically connected to the positive electrode of the battery 25, the fourth electrode J4, and the microprocessor, and the second transistor switch 232 is electrically connected to the positive electrode of the battery 25, the sixth electrode J6, and the microprocessor. It can be understood that the first transistor switch 231, the second transistor switch 232, the third transistor switch 233, and the fourth transistor switch 234 may include triodes or field effect transistors.

[0036] The third transistor switch 233 is electrically connected to the negative electrode of the battery 25, the sixth electrode J6 and the microprocessor, and the fourth transistor switch 234 is electrically connected to the negative electrode of the battery 25, the fourth electrode J4 and the microprocessor, so that the current flows to the negative electrode of the battery 25 after passing through the first transistor switch 231, the first electrode J1, the electric heating element RL and the third transistor switch 233, or the current flows to the negative electrode of the battery 25 after passing through the second transistor switch 232, the third electrode J3, the electric heating element RL and the fourth transistor switch 234.

[0037] The first transistor switch 231 includes a first transistor Q1 and a seventh resistor R7, the first signal transmission electrode of the first transistor Q1 is electrically connected to the positive electrode of the battery 25, the second signal transmission electrode of the first transistor Q1 is electrically connected to the fourth electrode J4, the control electrode of the first transistor Q1 is connected to the first end of the seventh resistor R7 and is electrically connected to the microprocessor through the eleventh resistor R11, and the second end of the seventh resistor R7 is electrically connected to the first signal transmission electrode of the first transistor Q1.

[0038] The second transistor switch 232 includes a second transistor Q2 and an eighth resistor R8, the first signal transmission electrode of the second transistor Q2 is electrically connected to the positive electrode of the battery 25, the second signal transmission electrode of the second transistor Q2 is electrically connected to the sixth electrode J6, the control electrode of the second transistor Q2 is connected to the first end of the eighth resistor R8 and is electrically connected to the microprocessor through the twelfth resistor R12, and the second end of the eighth resistor R8 is electrically connected to the first signal transmission electrode of the second transistor Q2.

[0039] The third transistor switch 233 includes a third transistor Q3 and a ninth resistor R9, wherein a first signal transmission electrode of the third transistor Q3 is electrically connected to the negative electrode of the battery 25, a second signal transmission electrode of the third transistor Q3 is electrically connected to the sixth electrode J6, a control electrode of the third transistor Q3 is electrically connected to a first end of the ninth resistor R9, a control electrode of the second transistor Q2 and the microprocessor, and a second end of the ninth resistor R9 is electrically connected to the first signal transmission electrode of the third transistor Q3. Specifically, the control electrode of the third transistor Q3 is electrically connected to the microprocessor via a thirteenth resistor R3.

[0040] The fourth transistor switch 234 includes a fourth transistor Q4 and a tenth resistor R10, wherein the first signal transmission electrode of the fourth transistor Q4 is electrically connected to the negative electrode of the battery 25, the second signal transmission electrode of the fourth transistor Q4 is electrically connected to the fourth electrode J4, the control electrode of the fourth transistor Q4 is electrically connected to the first end of the tenth resistor R10, the control electrode of the second transistor Q2 and the microprocessor, and the second end of the tenth resistor R10 is electrically connected to the first signal transmission electrode of the fourth transistor Q4. Specifically, the control electrode of the fourth transistor Q4 is electrically connected to the microprocessor through the fourteenth resistor R14, and the negative electrode of the battery 25 is grounded.

[0041] The electronic cigarette control circuit further includes a fifth transistor switch R, and the first signal transmission electrode of the first transistor Q1 and the first signal transmission electrode of the second transistor Q2 are both electrically connected to the positive electrode of the battery 25 through the fifth transistor switch R. The microprocessor is electrically connected to the fifth transistor switch R to control the fifth transistor switch R to be turned on or off.

[0042] The fifth transistor switch R includes a fifth transistor Q5 and a fifteenth resistor R15, wherein a first signal transmission electrode of the fifth transistor Q5 is electrically connected to the positive electrode of the battery 25, a second signal transmission electrode of the fifth transistor Q5 is electrically connected to the first transistor Q1 and the second transistor Q2, a control electrode of the fifth transistor Q5 is electrically connected to a first end of the fifteenth resistor R15 and the microprocessor, and a second end of the fifteenth resistor R15 is electrically connected to the first signal transmission electrode of the fifth transistor Q5. In this embodiment, the first transistor Q1 to the fifth transistor Q5 are all field effect transistors.

[0043] In actual use, the atomization circuit module 10 is arranged in the atomization assembly of the electronic cigarette, and the power supply circuit module 20 is arranged in the battery assembly of the electronic cigarette. When the atomization assembly is plugged and connected with the battery assembly, the first circuit interface 12 of the atomization circuit module 10 is electrically connected with the second circuit interface 21 of the power supply circuit module 20. At this time, the microprocessor controls the switch 233 of the third transistor Q3 to turn on and send a high-level detection signal to the first resistor R1, and detects the voltage of the first end of the second resistor R2 through the third resistor R3.

[0044] If the voltage at the first end of the second resistor R2 is at a low level, it means that the third electrode J3 is in contact with the sixth electrode J6. At this time, it is determined that the atomizer assembly and the battery assembly are normally connected. When the user smokes, the microprocessor controls the first transistor switch 231 and the third transistor switch 233 to turn on, and reads the data in the data chip U through the third resistor R3. The microprocessor can control the power of the electric heating element RL or control the display unit of the electronic cigarette to display relevant information according to the data in the data chip U.

[0045] If the voltage at the first end of the second resistor R2 is at a high level, it means that the third electrode J3 is in contact with the fourth electrode J4. At this time, it is determined that the atomizer assembly and the battery assembly are reversely connected. When the user smokes, the microprocessor controls the second transistor switch 232 and the fourth transistor switch 234 to turn on, and reads the data in the data chip U through the third resistor R3. The microprocessor can control the power of the electric heating element RL or control the display unit of the electronic cigarette to display relevant information according to the data in the data chip U.

[0046] Example 2

[0047] See also Figure 2 The structure of this embodiment is similar to that of Embodiment 1, except that: the power supply circuit module 20 of this embodiment further includes a fourth resistor R4, a fifth resistor R5 and a sixth resistor R6, a first end of the fourth resistor R4 is electrically connected to the first end of the electric heating element RL, and a second end of the fourth resistor R4 is electrically connected to the second end of the electric heating element RL; a first end of the fifth resistor R5 is electrically connected to the second end of the electric heating element RL, and a second end of the fifth resistor R5 is electrically connected to the microprocessor; a first end of the sixth resistor R6 is electrically connected to the second end of the electric heating element RL, and a second end of the sixth resistor R6 is electrically connected to the microprocessor.

[0048] When it is necessary to detect whether the atomization assembly of the electronic cigarette is connected to the battery assembly, the microprocessor controls the first transistor switch 231 and the fifth transistor Q5 switch 26 to turn on, sets the fifth resistor R5 to a low level, and then reads the voltage of the electric heating element RL through the sixth resistor R6. If it is a low level, it is determined that the atomization assembly is not connected to the battery assembly. If it is a high level, it is determined that the atomization assembly is connected to the battery assembly. When the microprocessor detects the user's smoking action, it controls the battery 25 to power the electric heating element RL.

[0049] Example 3

[0050] See also Figure 3 The structure of this embodiment is similar to that of the embodiment 1, except that: the first circuit interface 12 of this embodiment further includes a seventh electrode J7, and the data chip U of this embodiment further includes a clock pin; the second circuit interface 21 of this embodiment further includes an eighth electrode J8, and the eighth electrode J8 is electrically connected to the data pin of the microprocessor. When the atomizer assembly is positively connected to the battery assembly, the seventh electrode J7 is electrically connected to the eighth electrode J8, and the fifth electrode J5 is electrically connected to the clock pin of the microprocessor. The data chip U is a prior art, and its structure is not described here.

[0051] Example 4

[0052] See also Figure 4, the structure of this embodiment is similar to that of embodiment 1, except that: the second voltage dividing unit 22 of this embodiment further includes a light emitting diode D1, the light emitting diode D1 is connected in series with the second resistor R2, the anode of the light emitting diode D1 is connected to the second electrode J2 of the first circuit interface 12, and the cathode of the light emitting diode D1 is connected to the second resistor R2. Therefore, when the atomizer assembly is connected to the battery assembly, if it is positively connected, when the microprocessor sends a high level signal to the second electrode J2, the light emitting diode D1 emits light, thereby prompting the user, improving the user experience.

[0053] Example 5

[0054] See also Figure 5 The structure of this embodiment is similar to that of the embodiment 1, and the difference is that: the first transistor switch 231 of this embodiment includes a first transistor Q1 and a first isolation diode D2, the second transistor switch 232 includes a second transistor Q2 and a second isolation diode D3, the control electrodes of the first transistor Q1, the second transistor Q2, the third transistor Q3 and the fourth transistor Q4 are connected to the microprocessor, the first signal transmission electrode of the first transistor Q1 and the first signal transmission electrode of the second transistor Q2 are both electrically connected to the fifth transistor Q5 switch 26, the second signal transmission electrode of the first transistor Q1 is electrically connected to the anode of the first isolation diode D2, the cathode of the first isolation diode D2 is electrically connected to the sixth electrode J6 and the first signal transmission electrode of the fourth transistor Q4, the second signal transmission electrode of the second transistor Q2 is electrically connected to the anode of the second isolation diode D3, the cathode of the second isolation diode D3 is electrically connected to the third electrode J3 and the first signal transmission electrode of the third transistor Q3, and the second signal transmission electrodes of the third transistor Q3 and the fourth transistor Q4 are grounded; wherein the first transistor Q1, the second transistor Q2, the third transistor Q3 and the fourth transistor Q4 are all triodes.

[0055] In summary, since the atomization circuit module 10 includes a first voltage dividing unit 11, the first voltage dividing unit 11 is used to divide the voltage output by the power supply circuit module 20, and the power supply circuit module 20 includes a second voltage dividing unit 22 and a polarity conversion unit 23, the second voltage dividing unit 22 is used to cooperate with the first voltage dividing unit 11 to divide the input voltage signal, and the polarity conversion unit 23 is used to transmit the electric energy of the battery 25 to the atomization circuit module 10. When the atomization component is connected to the battery component, the control unit 24 reads the voltage on the first voltage dividing unit 11, and determines whether the atomization component is reversely connected according to the voltage on the first voltage dividing unit 11. If reversely connected, the polarity conversion unit 23 is controlled to convert the polarity output of the battery 25, so that the electronic cigarette can work normally and is more convenient for users to use.

[0056] It should be noted that the preferred embodiments of the present invention are given in the specification and drawings of the present invention, but are not limited to the embodiments described in the specification. Furthermore, it is obvious to those skilled in the art that improvements or changes can be made based on the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to the present invention.

Claims

1. An electronic cigarette control circuit, comprising an atomization circuit module and a power supply circuit module, It is characterized in that The atomization circuit module includes a first voltage dividing unit and a data chip, wherein the first voltage dividing unit is used to divide the voltage output by the power supply circuit module; the data chip is used to store and / or process data; The power supply circuit module includes a second voltage dividing unit, a polarity conversion unit, a control unit and a battery. The second voltage dividing unit is electrically connected to the first voltage dividing unit and is used to cooperate with the first voltage dividing unit to divide the input voltage signal. The polarity conversion unit is electrically connected between the battery and the atomization circuit module and is used to transmit the electric energy of the battery to the atomization circuit module. The control unit is electrically connected to the polarity conversion unit and the first voltage divider unit, and is configured to read a voltage signal on the first voltage divider unit to control the polarity conversion unit to switch the current direction of the battery output to the atomization circuit module according to the voltage signal on the first voltage divider unit.

2. The electronic cigarette control circuit according to claim 1, It is characterized in that The control unit includes a microprocessor, the second voltage dividing unit includes a first resistor, a first end of the first resistor is electrically connected to the second voltage dividing unit, and a second end of the first resistor is electrically connected to the microprocessor.

3. The electronic cigarette control circuit as claimed in claim 2, It is characterized in that The first voltage dividing unit includes a second resistor, a first end of the second resistor is electrically connected to the first end of the first resistor and the microprocessor, and a second end of the second resistor is electrically connected to the polarity conversion unit.

4. The electronic cigarette control circuit as claimed in claim 3, It is characterized in that The second voltage dividing unit further includes a light emitting diode, and the light emitting diode is connected in series with the second resistor.

5. The electronic cigarette control circuit as claimed in claim 3, It is characterized in that The power supply circuit module further includes a third resistor, and the microprocessor is electrically connected to the second resistor via the third resistor.

6. The electronic cigarette control circuit according to any one of claims 2 to 5, It is characterized in that The atomization circuit module includes an electric heating element, which is used to heat the aerosol matrix material to form an aerosol; the power supply circuit module also includes a fourth resistor, a fifth resistor and a sixth resistor, the first end of the fourth resistor is electrically connected to the first end of the electric heating element, and the second end of the fourth resistor is electrically connected to the second end of the electric heating element; the first end of the fifth resistor is electrically connected to the second end of the electric heating element, and the second end of the fifth resistor is electrically connected to the microprocessor; the first end of the sixth resistor is electrically connected to the second end of the electric heating element, and the second end of the sixth resistor is electrically connected to the microprocessor.

7. The electronic cigarette control circuit according to any one of claims 2 to 5, It is characterized in that The atomization circuit module includes an electric heating element and a first circuit interface for connecting to the power supply circuit module, the electric heating element is used to heat the aerosol matrix material to form an aerosol; the first circuit interface includes a first electrode, a second electrode and a third electrode, the first end of the electric heating element is electrically connected to the first electrode, and the second end of the electric heating element is electrically connected to the third electrode; the first end of the first voltage divider unit is electrically connected to the second electrode, and the second end of the first voltage divider unit is electrically connected to the third electrode; the data chip is electrically connected to the second electrode.

8. The electronic cigarette control circuit as claimed in claim 7, It is characterized in that The power supply circuit module includes a second circuit interface, the second circuit interface includes a fourth electrode, a fifth electrode and a sixth electrode, the polarity conversion unit is electrically connected to the fourth electrode and the sixth electrode, the second voltage divider unit is electrically connected to the fifth electrode, the first electrode is electrically connected to the fourth electrode, the second electrode is electrically connected to the fifth electrode, the third electrode is electrically connected to the sixth electrode, and the control unit is electrically connected to the fifth electrode.

9. The electronic cigarette control circuit as claimed in claim 8, It is characterized in that The polarity conversion unit includes a first transistor switch, a second transistor switch, a third transistor switch and a fourth transistor switch, the first transistor switch is electrically connected to the positive electrode of the battery, the fourth electrode and the microprocessor, and the second transistor switch is electrically connected to the positive electrode of the battery, the sixth electrode and the microprocessor; The third transistor switch is electrically connected to the negative electrode of the battery, the sixth electrode and the microprocessor, and the fourth transistor switch is electrically connected to the negative electrode of the battery, the fourth electrode and the microprocessor, so that the current flows to the negative electrode of the battery through the first transistor switch, the first electrode, the electric heating element of the atomization circuit module and the third transistor switch, or the current flows to the negative electrode of the battery through the second transistor switch, the third electrode, the electric heating element of the atomization circuit module and the fourth transistor switch.

10. The electronic cigarette control circuit according to claim 9, It is characterized in that The first transistor switch includes a first transistor and a seventh resistor, the first signal transmission electrode of the first transistor is electrically connected to the positive electrode of the battery, the second signal transmission electrode of the first transistor is electrically connected to the fourth electrode, the control electrode of the first transistor is connected to the first end of the seventh resistor, and the second end of the seventh resistor is electrically connected to the first signal transmission electrode of the first transistor; The second transistor switch includes a second transistor and an eighth resistor, the first signal transmission electrode of the second transistor is electrically connected to the positive electrode of the battery, the second signal transmission electrode of the second transistor is electrically connected to the sixth electrode, the control electrode of the second transistor is connected to the first end of the eighth resistor, and the second end of the eighth resistor is electrically connected to the first signal transmission electrode of the second transistor; The third transistor switch includes a third transistor and a ninth resistor, wherein a first signal transmission electrode of the third transistor is electrically connected to the negative electrode of the battery, a second signal transmission electrode of the third transistor is electrically connected to the sixth electrode, a control electrode of the third transistor is electrically connected to a first end of the ninth resistor, a control electrode of the second transistor and the microprocessor, and a second end of the ninth resistor is electrically connected to the first signal transmission electrode of the third transistor; The fourth transistor switch includes a fourth transistor and a tenth resistor, the first signal transmission electrode of the fourth transistor is electrically connected to the negative electrode of the battery, the second signal transmission electrode of the fourth transistor is electrically connected to the fourth electrode, the control electrode of the fourth transistor is electrically connected to the first end of the tenth resistor, the control electrode of the second transistor and the microprocessor, and the second end of the tenth resistor is electrically connected to the first signal transmission electrode of the fourth transistor.

11. The electronic cigarette control circuit according to claim 10, It is characterized in that The electronic cigarette control circuit also includes a fifth transistor switch, and the first signal transmission electrode of the first transistor and the first signal transmission electrode of the second transistor are both electrically connected to the positive electrode of the battery through the fifth transistor switch; the microprocessor is electrically connected to the fifth transistor switch to control the fifth transistor switch to be turned on or off.

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