Off-pot detection device and detection method for stove

Abstract

The invention discloses an off-pot detection device and method for a stove. The off-pot detection device comprises a controller, a telescopic assembly, a supporting assembly, a detection assembly anda stove body, wherein the telescopic assembly sleeves the supporting assembly and moves up and down along the supporting assembly, the detection assembly is connected with the controller and moves upand down along with the telescopic assembly, and the controller is connected with the stove body and used for controlling the firepower of the stove; and the detection assembly comprises a magnetic ruler and a linear magnetic encoder, wherein the magnetic ruler is connected with the telescopic assembly, the linear magnetic encoder is connected with the controller, and the linear magnetic encoder detects the displacement distance of the magnetic ruler through magnetism. The telescopic assembly moves downwards or upwards according to the state (pot seating or pot leaving) of a pot to drive the magnetic ruler to move up and down, the magnetic encoder can collect the displacement of the magnetic ruler moving up and down and transmit the displacement to the controller, and the controller judgesthe state of the pot according to the displacement so as to adjust the firepower. Compared with traditional cookware state detection based on temperature, the scheme has higher sensitivity.

Description

technical field [0001] The invention belongs to the technical field of cookware state detection, and in particular relates to a cookware removal detection device and a detection method for a cooker. Background technique [0002] The traditional method for detecting the state of the pot on the cooker is: set a retractable temperature measuring probe on the cooker, and detect through the change of temperature; At this time, the flame will directly burn to the temperature measuring probe, so the temperature changes quickly, and when the pan is placed on the pot holder, the temperature measuring probe tests the temperature of the cookware, and the temperature changes slowly. Detect whether the pot is left or the pot is seated; or directly install springs, pressure springs, micro switches, etc. on the retractable temperature probe to detect the status of the pot or the pot. [0003] The state of the above-mentioned detection pot has the following defects: the temperature measuri...

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Problems solved by technology

[0003] The above detection of the state of the pot has the following defects: the temperature measuring probe for measuring the temperature of the bottom of the pot is generally a metal armored structure, and the armored structure is filled with heat-conducting silicone grease and other substances, so the temperature measurement sensitivity of the temperature measuring probe It is not high, which makes it take a long time to detect the state of the pot or the pot, and the reaction is not too fast; but by installing springs, compression springs and other pressing structures on the telescopic structure of the temperature measuring probe, or micro switches, etc. to detect the pot or The method of leaving the pot has fast response sensitivity, but since springs, compression springs, and micro switches are physical devices, after a long time of use, physical structure fatigue will occur, resulting in reduced response sensitivity and reduced reliability of judgment

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