CN113491357A - Electronic cigarette control circuit - Google Patents
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- CN113491357A CN113491357A CN202010194578.0A CN202010194578A CN113491357A CN 113491357 A CN113491357 A CN 113491357A CN 202010194578 A CN202010194578 A CN 202010194578A CN 113491357 A CN113491357 A CN 113491357A
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Abstract
The invention provides an electronic cigarette control circuit, which comprises: the atomization circuit module comprises a first voltage division unit and a data chip, the first voltage division unit is used for dividing voltage output by the power supply circuit module, and the data chip is used for storing or/and processing data. The power supply circuit module comprises a second voltage division unit, a polarity conversion unit, a control unit and a battery, wherein the second voltage division unit is electrically connected with the first voltage division unit, and the polarity conversion unit is electrically connected with the battery and the data chip and is used for transmitting the electric energy of the battery to the atomization circuit module. When the atomization assembly is connected with the battery assembly, the control unit reads the voltage on the first voltage division unit, judges whether the atomization assembly is reversely connected according to the voltage on the first voltage division unit, and controls the polarity conversion unit to convert the polarity output by the battery if the atomization assembly is reversely connected, so that the electronic cigarette can normally work and is convenient for a user to use.
Description
Technical Field
The invention relates to the technical field of electronic cigarette control circuits, in particular to an electronic cigarette control circuit.
Background
The electronic cigarette is also named as an electronic cigarette and is mainly used for quitting smoking and replacing cigarettes. It has similar taste to cigarette, even more than common cigarette, and can suck cigarette and taste like cigarette. A typical existing electronic cigarette comprises a battery assembly and an atomization assembly which are detachably connected; the atomization component comprises a storage chip, a heating body and a first electrode, wherein the storage chip is used for storing atomizer parameters, such as heating parameters, the heating parameters are represented by the corresponding relation between the resistance value and the temperature of the heating body, and the storage chip and the heating body are respectively electrically connected with the first electrode; the battery assembly comprises a battery, a control assembly and a second electrode, wherein the control assembly is coupled with the battery, and when the battery assembly is electrically connected with the atomization assembly, the control assembly acquires heating parameters from a storage chip in the atomizer, so that the battery is controlled to output corresponding power parameters to heat the heating body based on the heating parameters.
In this way, on the one hand, the detachable connected mode between battery pack and the atomization component is provided, the part that has damaged is convenient for change, brings the convenience for the user, and on the other hand generates heat the parameter through the storage in the atomization component to carry out the heating control of different degrees to the heat-generating body of difference, can be better heat aerosol machine material. However, in the using process, the direct current power supply must be connected strictly according to the definition of the input polarity of the memory chip, if the positive and negative electrodes of the direct current power supply are reversely connected with the positive input end and the negative input end of the memory chip, the memory chip cannot be used for supplying power, the use of the memory chip is inconvenient, and even the memory chip and other components are damaged, so that the situation that the positive input end and the negative input end of the memory chip are reversely connected with the positive and negative electrodes of the direct current power supply in the circuit is avoided when the battery assembly and the atomization assembly are combined.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an electronic cigarette control circuit capable of automatically switching polarity when in reverse connection.
The invention provides an electronic cigarette control circuit, comprising: the atomization circuit module is characterized by comprising a first voltage division unit and a data chip, wherein the first voltage division unit is used for dividing voltage output by the power supply circuit module; the data chip is used for storing or/and processing data; the power supply circuit module comprises a second voltage division unit, a polarity conversion unit, a control unit and a battery, wherein the second voltage division unit is electrically connected with the first voltage division unit and is used for being matched with the first voltage division unit to divide an input voltage signal; the polarity conversion unit is electrically connected between the battery and the atomization circuit module and used for transmitting the electric energy of the battery to the atomization circuit module; the control unit is electrically connected with the polarity conversion unit and the first voltage division unit and is configured to read a voltage signal on the first voltage division unit so as to control the polarity conversion unit to switch the current direction output by the battery to the atomization circuit module according to the voltage signal on the first voltage division unit.
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.
Preferably, 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 converting unit.
Preferably, the second voltage division unit further includes a light emitting diode, and the light emitting diode is connected in series with the second resistor.
Preferably, the power supply circuit module further comprises a third resistor, and the microprocessor is electrically connected with the second resistor through the third resistor.
Preferably, the atomising circuit module comprises an electrical heating element for heating aerosol substrate material to form an aerosol; the power supply circuit module further comprises a fourth resistor, a fifth resistor and a sixth resistor, wherein the first end of the fourth resistor is electrically connected with the first end of the electric heating element, and the second end of the fourth resistor is electrically connected with the second end of the electric heating element; the first end of the fifth resistor is electrically connected with the second end of the electric heating element, and the second end of the fifth resistor is electrically connected with the microprocessor; the first end of the sixth resistor is electrically connected with the second end of the electric heating element, and the second end of the sixth resistor is electrically connected with the microprocessor.
Preferably, the atomising circuit module comprises an electrical heating element for heating aerosol substrate material to form an aerosol and a first circuit interface for connection with the power supply circuit module; the first circuit interface comprises a first electrode, a second electrode and a third electrode, wherein the first end of the electrothermal element is electrically connected with the first electrode, and the second end of the electrothermal element is electrically connected with the third electrode; a first end of the first voltage division unit is electrically connected with the second electrode, and a second end of the first voltage division unit is electrically connected with the third electrode; the data chip is electrically connected with the second electrode.
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 division 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.
Preferably, 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 with the negative electrode of the battery, the sixth electrode and the microprocessor, and the fourth transistor switch is electrically connected with the negative electrode of the battery, the sixth electrode and the microprocessor, so that current flows to the negative electrode of the battery after passing through the first transistor switch, the first electrode, the electrothermal element and the third transistor switch or flows to the negative electrode of the battery after passing through the second transistor switch, the third electrode, the electrothermal element and the fourth transistor switch.
Preferably, the first transistor switch includes a first transistor and a seventh resistor, a first signal transmission electrode of the first transistor is electrically connected to the positive electrode of the battery, a second signal transmission electrode of the first transistor is electrically connected to the fourth electrode, a control electrode of the first transistor is connected to a first end of the seventh resistor, and a second end of the seventh resistor is electrically connected to the first signal transmission electrode of the first transistor;
the second transistor switch comprises a second transistor and an eighth resistor, a first signal transmission electrode of the second transistor is electrically connected with the positive electrode of the battery, a second signal transmission electrode of the second transistor is electrically connected with the sixth electrode, a control electrode of the second transistor is connected with a first end of the eighth resistor, and a second end of the eighth resistor is electrically connected with the first signal transmission electrode of the second transistor;
the third transistor switch comprises a third transistor and a ninth resistor, a first signal transmission electrode of the third transistor is electrically connected with the negative electrode of the battery, a second signal transmission electrode of the third transistor is electrically connected with the sixth electrode, a control electrode of the third transistor is electrically connected with 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 with a first signal transmission electrode of the third transistor;
the fourth transistor switch comprises a fourth transistor and a tenth resistor, a first signal transmission electrode of the fourth transistor is electrically connected with the negative electrode of the battery, a second signal transmission electrode of the fourth transistor is electrically connected with the fourth electrode, a control electrode of the fourth transistor is electrically connected with a first end of the tenth resistor, a control electrode of the second transistor and the microprocessor, and a second end of the tenth resistor is electrically connected with a first signal transmission electrode of the fourth transistor.
Preferably, the electronic cigarette control circuit further comprises 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 with the fifth transistor switch to control the fifth transistor switch to be turned on or turned off.
The invention has the following beneficial effects: because the atomizing circuit module includes first partial pressure unit, first partial pressure unit is used for right the voltage of power supply circuit module output divides the voltage, power supply circuit module includes second partial pressure unit and polarity conversion unit, the second partial pressure unit be used for with first partial pressure unit cooperation is in order to carry out the partial pressure to the voltage signal of input, polarity conversion unit be used for with the electric energy of battery is carried for atomizing circuit module, when being connected atomizing subassembly and battery pack, the control unit reads voltage on the first partial pressure unit, according to voltage judgement on the first partial pressure unit whether the atomizing subassembly connects conversely, if connect conversely then control polarity conversion unit converts the polarity of battery output to make the electron cigarette normally work, be convenient for the user to use.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Figure 1 is a circuit diagram of an electronic cigarette control circuit according to an embodiment of the present invention;
figure 2 is a circuit diagram of part of the circuitry of the power supply circuit module of the electronic cigarette control circuit provided by a further embodiment of the invention;
figure 3 is a circuit diagram of an electronic cigarette control circuit provided by yet another embodiment of the present invention;
figure 4 is a circuit diagram of an atomization circuit module of an electronic cigarette control circuit provided in accordance with yet another embodiment of the present invention;
figure 5 is a circuit diagram of a portion of the circuit of the power supply circuit module of the electronic cigarette control circuit according to yet another embodiment of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and detailed description.
Example 1
Referring to fig. 1, the present invention provides an electronic cigarette control circuit, which includes an atomization circuit module 10 and a power supply circuit module 20, wherein the atomization circuit module 10 is located on an atomization assembly of an electronic cigarette, the power supply circuit module 20 is located on a battery assembly of the electronic cigarette, and when the atomization assembly and the battery assembly are physically combined, the atomization circuit module 10 and the power supply circuit module 20 form a circuit conduction. The atomization circuit module 10 comprises an electric heating element RL, a data chip U, a first voltage division unit 11 and a first circuit interface 12, wherein the electric heating element RL is electrically connected with the first circuit interface 12 and is used for atomizing aerosol mechanical materials to form aerosol, and the aerosol mechanical materials can be tobacco tar, tobacco paste, tobacco shreds and the like. The electric heating element RL may be a heating wire or a heating sheet, and the like, as long as the heating element can generate heat to atomize aerosol when being electrified.
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), a Random Access Memory (RAM), or the like. In some embodiments, the data chip U may be a single chip with a memory, so that the data chip U can not only store data, but also process data. Therefore, it may be set as needed, and is not particularly limited herein. The first voltage dividing unit 11 is electrically connected to the first circuit interface 12, and is configured to divide the voltage output by the power supply circuit module 20.
The first voltage division unit 11 comprises a second resistor R2, a first end of the second resistor R2 is electrically connected with a data output pin of the data chip U, and a second end of the second resistor R2 is electrically connected with a 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 dividing unit 11 is electrically connected to the second electrode J2, and a second end of the first voltage dividing unit 11 is electrically connected to the third electrode J3. Specifically, the first electrode J1 is electrically connected to a first end of the electrothermal element RL, the second electrode J2 is electrically connected to a data output pin of the data chip U and a first end of the second resistor R2, and a second end of the second resistor R2 is electrically connected to the third electrode J3. The first end of the electrothermal element RL is electrically connected with the first electrode J1, and the second end of the electrothermal element RL is electrically connected with the third electrode J3. The third electrode J3 is electrically connected to the ground pin of the data chip U.
The power supply circuit module 20 includes a second circuit interface 21, a second voltage dividing unit 22, a polarity converting unit 23, a control unit 24 and a battery 25, and the second circuit interface 21 is detachably connected to the first circuit interface 12 and is configured to transmit signals and supply 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 atomizing assembly is connected to the battery assembly, the first electrode J1, the second electrode J2, and the third electrode J3 are respectively disposed in 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 dividing unit 22 is electrically connected to the first voltage dividing unit 11, and is configured to cooperate with the first voltage dividing unit 11 to divide an 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.
The control unit 24 is electrically connected to the polarity converting unit 23 and the first voltage dividing unit 11, and is configured to read a voltage across the first voltage dividing unit 11, so as to control the polarity converting unit 23 to operate according to the voltage across the first voltage dividing unit 11. In this embodiment, the control unit 24 includes a microprocessor, and the power supply circuit module 20 further includes a third resistor R3, and the microprocessor is electrically connected to the second resistor R2 through the third resistor R3. The second voltage dividing unit 22 includes a first resistor R1, a first end of the first resistor R1 is electrically connected to the second voltage dividing unit 22, and a second end of the first resistor R1 is electrically connected to the microprocessor and the third electrode J3. When the voltage stabilizing circuit works, the microprocessor provides the voltage signal to the first resistor R1, so that the voltage signal is relatively stable, and signal interference caused by voltage instability is well avoided. A first end of the second resistor R2 is electrically connected to the first end of the first resistor R1 and the microprocessor, and a second end of the second resistor R2 is electrically connected to the polarity converting unit 23.
The polarity conversion unit 23 is electrically connected to the battery 25 and the data chip U, and is configured to transmit 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 electrothermal element RL through the second circuit interface 21 and the first circuit interface 12.
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 is 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 a triode, a field effect transistor, or the like.
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 sixth electrode J6 and the microprocessor, so that a current flows to the negative electrode of the battery 25 through the first transistor switch 231, the first electrode J1, the electrothermal element RL and the third transistor switch 233, or a current flows to the negative electrode of the battery 25 through the second transistor switch 232, the third electrode J3, the electrothermal element RL and the fourth transistor switch 234.
The first transistor switch 231 includes a first transistor Q1 and a seventh resistor R7, a first signal transmission electrode of the first transistor Q1 is electrically connected to the positive electrode of the battery 25, a second signal transmission electrode of the first transistor Q1 is electrically connected to the fourth electrode J4, a control electrode of the first transistor Q1 is connected to a first end of the seventh resistor R7 and electrically connected to the microprocessor through an eleventh resistor R11, and a second end of the seventh resistor R7 is electrically connected to the first signal transmission electrode of the first transistor Q1.
The second transistor switch 232 includes a second transistor Q2 and an eighth resistor R8, a first signal transmission electrode of the second transistor Q2 is electrically connected to the positive electrode of the battery 25, a second signal transmission electrode of the second transistor Q2 is electrically connected to the sixth electrode J6, a control electrode of the second transistor Q2 is connected to a first end of the eighth resistor R8 and electrically connected to the microprocessor through a twelfth resistor R12, and a second end of the eighth resistor R8 is electrically connected to the first signal transmission electrode of the second transistor Q2.
The third transistor switch 233 includes a third transistor Q3 and a ninth resistor R9, 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 through a thirteenth resistor R3.
The fourth transistor switch 234 includes a fourth transistor Q4 and a tenth resistor R10, a first signal transmission electrode of the fourth transistor Q4 is electrically connected to the negative electrode of the battery 25, a second signal transmission electrode of the fourth transistor Q4 is electrically connected to the fourth electrode J4, a control electrode of the fourth transistor Q4 is electrically connected to a first end of the tenth resistor R10, a control electrode of the second transistor Q2, and the microprocessor, and a second end of the tenth resistor R10 is electrically connected to a 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 a fourteenth resistor R14, and the negative electrode of the battery 25 is grounded.
The electronic cigarette control circuit further comprises 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 with the positive electrode of the battery 25 through the fifth transistor switch R. The microprocessor is electrically connected with the fifth transistor switch R to control the fifth transistor switch R to be turned on or turned off.
The fifth transistor switch R includes a fifth transistor Q5 and a fifteenth resistor R15, 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 the present embodiment, the first to fifth transistors Q1 to Q5 are all field effect transistors.
In practical application, the atomization circuit module 10 is arranged in an atomization assembly of the electronic cigarette, the power supply circuit module 20 is arranged in a battery assembly of the electronic cigarette, and when the atomization assembly is connected with the battery assembly in an inserting manner, 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 third transistor Q3 switch 233 to turn on and transmits a high level detection signal to the first resistor R1, and detects the voltage of the first terminal of the second resistor R2 through the third resistor R3.
If the voltage at the first end of the second resistor R2 is at a low level, it indicates that the third electrode J3 is in contact with the sixth electrode J6, and at this time, it is determined that the atomizing assembly and the battery assembly are normally connected, when a user smokes, the microprocessor controls the first transistor switch 231 and the third transistor switch 233 to be turned on, and reads data in the data chip U through the third resistor R3, and the microprocessor can control the power of the electric heating element RL according to the data in the data chip U or control the display unit of the electronic cigarette to display related information and the like.
If the voltage at the first end of the second resistor R2 is at a high level, it is determined that the third electrode J3 is in contact with the fourth electrode J4, and it is determined that the atomization assembly and the battery assembly are reversely connected, when a user smokes, the microprocessor controls the second transistor switch 232 and the fourth transistor switch 234 to be turned on, and reads data in the data chip U through the third resistor R3, and the microprocessor can control the power of the electric heating element RL according to the data in the data chip U or control the display unit of the electronic cigarette to display related information, and the like.
Example 2
Referring to fig. 2, the structure of the present embodiment is similar to that of embodiment 1, and the difference is 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, wherein a first end of the fourth resistor R4 is electrically connected to a first end of the electric heating element RL, and a second end of the fourth resistor R4 is electrically connected to a second end of the electric heating element RL; a first end of the fifth resistor R5 is electrically connected with a second end of the electric heating element RL, and a second end of the fifth resistor R5 is electrically connected with the microprocessor; the first end of the sixth resistor R6 is electrically connected with the second end of the electric heating element RL, and the second end of the sixth resistor R6 is electrically connected with the microprocessor.
When it is required 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 be turned on, the fifth resistor R5 is set to a low level, the voltage of the electric heating element RL is read through the sixth resistor R6, if the voltage is the low level, it is determined that the atomization assembly is not connected to the battery assembly, if the voltage is the high level, it is determined that the atomization assembly is connected to the battery assembly, and when the microprocessor detects the smoking action of the user, the microprocessor controls the battery 25 to supply power to the electric heating element RL.
Example 3
Referring to fig. 3, the structure of the present embodiment is similar to that of embodiment 1, and the difference is 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, the eighth electrode J8 is electrically connected to the data pin of the microprocessor, when the atomizing assembly and the battery assembly are connected, 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 conventional one, and its structure is not described herein again.
Example 4
Referring to fig. 4, the structure of the present embodiment is similar to that of embodiment 1, and the difference is 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, an anode of the light emitting diode D1 is connected to the second electrode J2 of the first circuit interface 12, and a cathode of the light emitting diode D1 is connected to the second resistor R2. Therefore, when the atomization assembly is connected with the battery assembly, if the atomization assembly is connected with the battery assembly, and the microprocessor sends a high-level signal to the second electrode J2, the light-emitting diode D1 emits light, so that a user can be prompted, and the user experience is improved.
Example 5
Referring to fig. 5, the structure of the present embodiment is similar to that of 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, 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, a first signal transmission electrode of the first transistor Q1 and a first signal transmission electrode of the second transistor Q2 are electrically connected to the fifth transistor Q5 switch 26, a second signal transmission electrode of the first transistor Q1 is electrically connected to an anode of the first isolation diode D2, a 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, a second signal transmission electrode of the second transistor Q2 is electrically connected to an anode of the second isolation diode D3, and a cathode of the second isolation diode D3 is electrically connected to a cathode of the third transistor Q3 and a third signal transmission electrode J3 of the third transistor Q3 The third transistor Q3 and the fourth transistor Q4 are electrically connected, and the second signal transmission electrode is grounded; the first transistor Q1, the second transistor Q2, the third transistor Q3 and the fourth transistor Q4 are all triodes.
In summary, because the atomization circuit module 10 includes the first voltage division unit 11, the first voltage division unit 11 is configured to divide the voltage output by the power supply circuit module 20, the power supply circuit module 20 includes the second voltage division unit 22 and the polarity conversion unit 23, the second voltage division unit 22 is configured to cooperate with the first voltage division unit 11 to divide the voltage of the input voltage signal, the polarity conversion unit 23 is configured to transmit the electric energy of the battery 25 to the atomization circuit module 10, when the atomization assembly is connected to the battery assembly, the control unit 24 reads the voltage on the first voltage division unit 11, determines whether the atomization assembly is reversely connected according to the voltage on the first voltage division unit 11, and if the atomization assembly is reversely connected, the polarity conversion unit 23 is controlled to convert the polarity output by the battery 25, so as to enable the electronic cigarette to normally operate, is convenient for users to use.
It should be noted that the preferred embodiments of the present invention are shown in the specification and the drawings, but the present invention is not limited to the embodiments described in the specification, and further, it will be apparent to those skilled in the art that modifications and changes can be made in the above description, and all such modifications and changes should fall within the protection scope of the appended claims.
Claims (11)
1. An electronic cigarette control circuit comprises an atomization circuit module and a power supply circuit module, and is characterized in that the atomization circuit module comprises a first voltage division unit and a data chip, wherein the first voltage division unit is used for dividing voltage output by the power supply circuit module; the data chip is used for storing or/and processing data;
the power supply circuit module comprises a second voltage division unit, a polarity conversion unit, a control unit and a battery, wherein the second voltage division unit is electrically connected with the first voltage division unit and is used for being matched with the first voltage division unit to divide an input voltage signal; the polarity conversion unit is electrically connected between the battery and the atomization circuit module and used for transmitting the electric energy of the battery to the atomization circuit module;
the control unit is electrically connected with the polarity conversion unit and the first voltage division unit and is configured to read a voltage signal on the first voltage division unit so as to control the polarity conversion unit to switch the current direction output by the battery to the atomization circuit module according to the voltage signal on the first voltage division unit.
2. The electronic cigarette control circuit of claim 1, wherein the control unit comprises a microprocessor, the second voltage divider unit comprises a first resistor, a first end of the first resistor is electrically connected to the second voltage divider unit, and a second end of the first resistor is electrically connected to the microprocessor.
3. The electronic cigarette control circuit of claim 2, wherein the first voltage divider unit comprises a second resistor, a first end of the second resistor is electrically connected to a first end of the first resistor and the microprocessor, and a second end of the second resistor is electrically connected to the polarity converter unit.
4. The electronic cigarette control circuit of claim 3, wherein the second voltage divider unit further comprises a light emitting diode in series with the second resistor.
5. The electronic cigarette control circuit of claim 3, wherein the power supply circuit module further comprises a third resistor, the microprocessor being electrically connected to the second resistor through the third resistor.
6. The electronic cigarette control circuit of any of claims 2 to 5, wherein the aerosolization circuit module comprises an electrical heating element for heating an aerosol-substrate material to form an aerosol; the power supply circuit module further comprises a fourth resistor, a fifth resistor and a sixth resistor, wherein the first end of the fourth resistor is electrically connected with the first end of the electric heating element, and the second end of the fourth resistor is electrically connected with the second end of the electric heating element; the first end of the fifth resistor is electrically connected with the second end of the electric heating element, and the second end of the fifth resistor is electrically connected with the microprocessor; the first end of the sixth resistor is electrically connected with the second end of the electric heating element, and the second end of the sixth resistor is electrically connected with the microprocessor.
7. The electronic cigarette control circuit of any of claims 1-5, wherein the aerosolization circuit module comprises an electrical heating element for heating an aerosol-substrate material to form an aerosol, and a first circuit interface for connection with the power supply circuit module; the first circuit interface comprises a first electrode, a second electrode and a third electrode, wherein the first end of the electrothermal element is electrically connected with the first electrode, and the second end of the electrothermal element is electrically connected with the third electrode; a first end of the first voltage division unit is electrically connected with the second electrode, and a second end of the first voltage division unit is electrically connected with the third electrode; the data chip is electrically connected with the second electrode.
8. The electronic cigarette control circuit of claim 7, wherein 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 division 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 of claim 2, wherein 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 being electrically connected to the positive electrode of the battery, the fourth electrode, and the microprocessor, the second transistor switch being electrically connected to the positive electrode of the battery, the sixth electrode, and the microprocessor;
the third transistor switch is electrically connected with the negative electrode of the battery, the sixth electrode and the microprocessor, and the fourth transistor switch is electrically connected with the negative electrode of the battery, the sixth electrode and the microprocessor, so that current flows to the negative electrode of the battery after passing through the first transistor switch, the first electrode, the electrothermal element and the third transistor switch or flows to the negative electrode of the battery after passing through the second transistor switch, the third electrode, the electrothermal element and the fourth transistor switch.
10. The electronic cigarette control circuit of claim 9, wherein the first transistor switch comprises a first transistor and a seventh resistor, a first signal transfer electrode of the first transistor is electrically connected to the positive electrode of the battery, a second signal transfer electrode of the first transistor is electrically connected to the fourth electrode, a control electrode of the first transistor is connected to a first terminal of the seventh resistor, and a second terminal of the seventh resistor is electrically connected to the first signal transfer electrode of the first transistor;
the second transistor switch comprises a second transistor and an eighth resistor, a first signal transmission electrode of the second transistor is electrically connected with the positive electrode of the battery, a second signal transmission electrode of the second transistor is electrically connected with the sixth electrode, a control electrode of the second transistor is connected with a first end of the eighth resistor, and a second end of the eighth resistor is electrically connected with the first signal transmission electrode of the second transistor;
the third transistor switch comprises a third transistor and a ninth resistor, a first signal transmission electrode of the third transistor is electrically connected with the negative electrode of the battery, a second signal transmission electrode of the third transistor is electrically connected with the sixth electrode, a control electrode of the third transistor is electrically connected with 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 with a first signal transmission electrode of the third transistor;
the fourth transistor switch comprises a fourth transistor and a tenth resistor, a first signal transmission electrode of the fourth transistor is electrically connected with the negative electrode of the battery, a second signal transmission electrode of the fourth transistor is electrically connected with the fourth electrode, a control electrode of the fourth transistor is electrically connected with a first end of the tenth resistor, a control electrode of the second transistor and the microprocessor, and a second end of the tenth resistor is electrically connected with a first signal transmission electrode of the fourth transistor.
11. The electronic cigarette control circuit of claim 10, further comprising a fifth transistor switch, wherein the first signal transfer terminal of the first transistor and the first signal transfer terminal of the second transistor are both electrically connected to the positive terminal of the battery through the fifth transistor switch; the microprocessor is electrically connected with the fifth transistor switch to control the fifth transistor switch to be turned on or turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010194578.0A CN113491357A (en) | 2020-03-18 | 2020-03-18 | Electronic cigarette control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010194578.0A CN113491357A (en) | 2020-03-18 | 2020-03-18 | Electronic cigarette control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN113491357A true CN113491357A (en) | 2021-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010194578.0A Pending CN113491357A (en) | 2020-03-18 | 2020-03-18 | Electronic cigarette control circuit |
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| CN (1) | CN113491357A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI821977B (en) * | 2022-04-07 | 2023-11-11 | 神達數位股份有限公司 | Dc power transmission circuit with reverse connection protection function |
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2020
- 2020-03-18 CN CN202010194578.0A patent/CN113491357A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI821977B (en) * | 2022-04-07 | 2023-11-11 | 神達數位股份有限公司 | Dc power transmission circuit with reverse connection protection function |
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