Electronic cigarette capable of achieving automatic control of atomization wire resistance value

Abstract

The invention provides an electronic cigarette capable of achieving automatic control of an atomization wire resistance value. The electronic cigarette comprises the atomization wire, and is characterized in that the atomization wire is an alloy wire. The electronic cigarette further comprises a resistance acquisition circuit, a single chip microcomputer and a power adjusting circuit, wherein the resistance acquisition circuit is in series connection with the atomization wire, the single chip microcomputer is connected with the output end of the resistance acquisition circuit and is capable of processing analog signals outputted by the resistance acquisition circuit, the power adjusting circuit is connected with the single chip microcomputer and controlled by the same, and the output end of the power adjusting circuit is connected with the atomization wire. The electronic cigarette has the advantages that the electronic cigarette is applicable to the alloy atomization wire small in resistivity temperature coefficient; when the resistance value of the atomization wire changes, a real-time voltage value at two ends of the atomization wire is acquired and converted into a real-time resistance value after being amplified and converted, and the single chip microcomputer controls and adjusts power loaded on the atomization wire according to a result obtained by comparing the real-time resistance value with a preset resistance value so as to adjust the resistance value of the atomization wire to be equal to the preset resistance value; the electronic cigarette has the automatic resistance value detection function and the automatic resistance value control function.

Description

technical field [0001] The invention relates to a smoking cessation tool, in particular to an electronic cigarette whose atomizing wire resistance can be automatically controlled. Background technique [0002] Electronic cigarettes, also known as electronic cigarettes, are mainly used to quit smoking and replace cigarettes. It has the same appearance and taste similar to cigarettes, and even tastes much more than ordinary cigarettes. It can also suck out smoke and smell like cigarettes Follow the feeling. Its working principle is that the atomizing wire is heated by electricity, and the electric energy is converted into heat energy to heat the e-liquid. When the e-liquid is heated to a certain temperature, it will volatilize and atomize to produce smoke, which is then sucked by the smoker. The greater the power loaded on the atomizing wire, the greater the calorific value of the atomizing wire, the greater the resistance value of the atomizing wire, the higher the temperatu...

AI Technical Summary

Problems solved by technology

In order to achieve the purpose of automatically adjusting the temperature of the atomizing wire, it is necessary to collect the temperature value on the atomizing wire in real time. For some atomizing wires with a single metal component with a large temperature coefficient of resistivity, such as: titanium wire, platinum wire, etc., you can pass Real-time collection of temperature changes on the atomizing wire to achieve the purpose of automatic temperature control, but for some alloy wires with a small temperature coefficient of resistivity (less than 0.0019Ω / ℃), such as nickel-chromium wire, there is no way to collect them in real time due to the small change rate The temperature change on the atomizing wire makes it unable to be automatically controlled, and the low cost and anti-oxidation properties of the nickel-chromium wire make it occupy a dominant position in the use of electronic cigarettes. The present invention proposes an automatic control E-cigarettes with resistance value of atomizing wire

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