Intelligent controller and method for electronic cigarette
View Patent ↗An intelligent controller of electronic cigarette includes a switch module, a voltage acquisition module coupled to a heating wire, a control module coupled to the switch module and the voltage acquisition module, respectively, a display module electrically connected to an output of the control module, and a battery electrically connected to the switch module, the voltage acquisition module, the control module and the display module, respectively. The control module sends a control signal to the voltage acquisition module to make the voltage acquisition module acquire a terminal voltage of the heating wire. After receiving a signal from the switch module, whether the heating wire of an atomizer is in a short-circuit condition, an open-circuit condition or a normal condition is detected based on the acquired signal, and a detection result is output such that these conditions of the heating wire are observed directly by users.
1. A controller, comprising:
a switch that sends a high voltage signal to activate the controller;
a voltage detector that acquires a terminal voltage of an external heating wire;
a control device coupled to the switch and the voltage detector, respectively, configured to send, after receiving the high voltage signal from the switch, a control signal to the voltage detector by sequentially switching on a plurality of transistors to make the voltage detector acquire the terminal voltage of the external heating wire, detect whether the external heating wire is in a normal or an abnormal condition based on a type of the acquired signal from the voltage detector, and output a detection result;
a display electrically connected to an output of the control device, configured to digitally display whether the external heating wire is in the normal or the abnormal condition, such that a user directly observes the condition of the external heating wire; and
a battery electrically connected to the switch, the voltage detector, the control device, and the display, respectively, that supplies working voltage power to the switch, the voltage detector, the control device, and the display, respectively.
2. The controller of an electronic cigarette of claim 1 , wherein the control device is configured to store a built-in electronic cigarette menu and store parameters of an electronic cigarette, the controller further comprising:
an input device electrically connected to an input of the control device and configured to receive instructions to select options from the electronic cigarette menu, sending instructions to the control device after viewing the parameters of the electronic cigarette, such that the control device is configured to adjust the parameters; and
a storage device coupled to an output of the control device and configured to store data produced by the controller.
3. The controller of an electronic cigarette of claim 2 , further comprising a Universal Serial Bus (USB) interface electrically connected to the control device, wherein the USB interface is configured to be an interface for data interaction between the control device and an intelligence terminal device.
4. The controller of an electronic cigarette of claim 3 , further comprising a charging management device coupled to the USB interface, wherein the charging management device is electrically connected to the control device and the battery, respectively.
5. The controller of an electronic cigarette of claim 1 , further comprising a voltage comparison device, wherein the voltage comparison device compares an acquired voltage of the battery with a reference voltage to obtain a voltage difference, amplifies the voltage difference after comparing, and sends the amplified voltage difference to the control device.
6. The controller of an electronic cigarette of claim 5 , wherein the display comprises:
a switching voltage booster coupled to the control device, and configured to boost the voltage of the battery to output after acquiring an output signal of the control device; and
a display screen coupled to an output end of the switching voltage booster, configured to display the condition of the external heating wire output from the control device after acquiring the output voltage of the switching voltage booster.
7. The controller of an electronic cigarette of claim 6 , further comprising a voltage stabilization device coupled to an output of the switching voltage booster, wherein the voltage stabilization device converts the voltage from the switching voltage booster and provides a stable voltage to the control device.
8. The controller of an electronic cigarette of claim 7 , further comprising an output voltage adjustment device coupled to the control device, wherein the control device is configured to output a pulse width modulation signal based on a signal from the input device for adjusting the output voltage of the output voltage adjustment device provided to the external heating wire of the electronic cigarette to a voltage value defined by the user.
9. The controller of an electronic cigarette of claim 8 , wherein the output voltage adjustment device comprises a switching buck-boost converter having a switch pin coupled to an output of the control device and a reference voltage pin coupled to an output of the control device outputting the pulse width modulation signal.
10. An electronic cigarette, comprising:
the controller according to claim 1 ; and
an atomizer.