Method, system and device for controlling a heating element

Patent metadata

Field	Value
Publication number	US-12349238-B2
Application number	US-202318399642-A
Country	US
Kind code	B2
Filing date	Dec 28, 2023
Priority date	Aug 22, 2014
Publication date	Jul 1, 2025
Grant date	Jul 1, 2025

Abstract

A system, a method, and a device for controlling a heating element in electronic articles, and more particularly for controlling a heating element in electronic cigarettes. In one embodiment A system for controlling a heater can comprise a power source, a memory configured to store programing, an MCU, a solution, a heater configured to heat the solution, and a sensor. The power source, the memory, the MCU, the heater, and the sensor can be electrically coupled. The MCU can receive signals from the sensor and control the heater, and the MCU can be configured to use programming stored in the memory to control the heater.

First claim

What is claimed:

1. A system for controlling a heater comprising:
a power source;
a memory configured to store programing;
a microcontroller unit (MCU);
a transmitter;
a solution;
a heater configured to heat the solution; and
a sensor operatively coupled to the heater;
wherein the power source, the memory, the MCU, the heater, the sensor, and the transmitter are electrically coupled, wherein the MCU can receive signals from the sensor, control the heater, and communicate with the transmitter, and wherein the MCU is configured to use programming stored in the memory to control the heater,
wherein the sensor comprises a field effect transistor, a gain, a low-pass filter, and an offset, and
wherein the MCU performs a heating cycle at the heater and determines a type of solution being heated by the heater by measuring a resistance change using the sensor.

2. The system according to claim 1 , wherein the heater is a first heater and the system further comprises a second heater electrically coupled to the MCU.

3. The system according to claim 1 , wherein the MCU is further configured to determine ideal values for a temperature of the heater for the determined type of solution.

4. The system according to claim 1 , wherein the MCU is configured to control a temperature of the heater by pulse width modulation or cycle length.

5. The system according to claim 1 , wherein the field effect transistor is configured to source a current to the heater and wherein the MCU is configured to control the field effect transistor by pulse width modulation.

6. The system according to claim 1 , wherein the MCU is configured to determine a temperature of the heater by measuring a voltage.

7. The system according to claim 6 , wherein the voltage is measured across the field effect transistor.

8. The system according to claim 1 , wherein the MCU is configured to operate within a predicted algorithm.

9. The system according to claim 8 , wherein the predicted algorithm is configured to determine a type of the heater and to utilize the type within the predicted algorithm.

10. The system according to claim 1 , wherein the MCU is configured to control an amount of power delivered to the heater through a pulse width modulation.

11. The system according to claim 10 , wherein the pulse width modulation is configured to vary depending on a detected voltage of the power source.

12. The system according to claim 11 , wherein the pulse width modulation is configured to be reduced when the battery voltage is higher and is configured to be higher when the battery voltage is lower.

13. The system according to claim 10 , wherein the pulse width modulation is configured to keep the heater at a constant temperature as a flow rate of air.

14. The system according to claim 10 , wherein the pulse width modulation is configured to increase a temperature of the heater in a linear manner as a flow rate of air increases.

15. The system according to claim 10 , wherein the pulse width modulation is configured to increase a temperature of the heater in a exponential manner as a flow rate of air over the heater increases.

16. A system for controlling a heater comprising:
a power source;
a memory configured to store programing;
a microcontroller unit (MCU);
a transmitter;
a solution;
a heater configured to heat the solution; and
a sensor operatively coupled to the heater;
wherein the power source, the memory, the MCU, the heater, the sensor, and the transmitter are electrically coupled, wherein the MCU can receive signals from the sensor, control the heater, and communicate with the transmitter, and wherein the MCU is configured to use programming stored in the memory to control the heater,
wherein the sensor comprises a field effect transistor and a hi-resolution Analog-to-Digital Converter (ADC), and
wherein the MCU performs a heating cycle at the heater and determines a type of solution being heated by the heater by measuring a resistance change using the sensor.

17. The system according to claim 16 , wherein the heater is a first heater and the system further comprises a second heater electrically coupled to the MCU.

18. The system according to claim 16 , wherein the MCU is configured to control a temperature of the heater by pulse width modulation or cycle length.

19. The system according to claim 16 , wherein the MCU is configured to determine a temperature of the heater by measuring a voltage.

20. The system according to claim 16 , wherein the MCU is configured to operate within a predicted algorithm.

Assignees

• Fontem Ventures Bv

Inventors

• Alarcon Ramon
• Starman Michael

Classifications

• H05B1/0252

  Domestic applications · CPC title

• A24F40/50

  Control or monitoring · CPC title

• A24F40/10

  Devices using liquid inhalable precursors · CPC title

• H05B1/0227 Primary

  Applications · CPC title