Fan current detection control method of household appliance
A technology of household appliances and control methods, which is applied in the field of fan current detection and control of household appliances, can solve the problems of high maintenance cost of the whole machine, deformation of appearance parts, damage of heating components, etc., so as to avoid maintenance costs and scrapping, and improve experience , good protection effect
Inactive Publication Date: 2021-02-23
GUANGDONG GALANZ GRP CO LTD +1
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Problems solved by technology
This oven relies on the temperature limiter to protect the abnormal protection when the heating element fails, but this extreme protection often causes damage to the heating element, deformation of the appearance parts, etc., resulting in high maintenance costs for the whole machine, and more It is possible to scrap the whole machine directly
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Embodiment Construction
[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0018] see Figure 1-Figure 2 , the fan current detection and control method for household appliances, taking an oven as an example, includes the following steps:
[0019] 1), after the oven is energized, adjust the timer 1, the PCB control computer board 2 gives a start signal, and the fan 8 rotates;
[0020] 2), after the fan 8 rotates, the PCB control computer board 2 detects the current value of the fan 8, and judges whether the current value of the fan 8 reaches the set value requirement;
[0021] 3) If the current value reaches the set value requirement, the fan 8 is in the normal operation state, the PCB control computer board 2 controls the fan 8 to continue to run, and gives the command of the relay 4 to pull in, the relay 4 pulls in to supply power, and adjusts the temperature control 10 and function switch 11, the heating element 12 of the ...
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A fan current detection control method of a household appliance comprises the following steps that 1, after the household appliance is powered on, a timer is adjusted, a PCB control computer board gives out a starting signal, and a fan rotates; 2) after the fan rotates, the PCB control computer board detects the current value of the fan, and judges whether the current value of the fan meets the set numerical value requirement or not; (3) if the current value meets the set numerical value requirement, the fan is in a normal operation state, the PCB control computer board controls the fan to continue to operate and gives a relay pull-in instruction, the relay is pulled in to supply power, a temperature controller and a function switch are adjusted, and heating components of the household appliance work normally; and if the current value does not meet the set numerical value requirement, the fan is in an abnormal state, the PCB control computer board controls the fan to stop rotating andgives out a fault sound prompt, the relay is disconnected, and heating components of the household appliance stop working. According to the fan current detection control method of the household appliance, heating components of the whole machine can be better protected.
Description
technical field [0001] The invention relates to the technical field of household appliances, in particular to a method for detecting and controlling fan current of a household appliance. Background technique [0002] Chinese Patent Document No. CN2936080 disclosed a multi-functional smokeless barbecue machine on August 22, 2007, comprising a base, a first box body and a second box body installed at both ends of the base, and the first box body and the second box body. The oven between the boxes, and the temperature adjustment device and temperature limiter for controlling the heating temperature of the electric heating tube, the electric heating tube is arranged in the oven, the second box is provided with a motor, and one end of the oven is detachably installed On the first box body, the other end is detachably mounted on the output shaft of the motor in the second box body, and the second box body can be turned outward. This oven relies on the temperature limiter to prote...
Claims
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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 李韶佳
Owner GUANGDONG GALANZ GRP CO LTD