Electronic device and water entry detection method thereof
An electronic equipment and water entry detection technology, which is applied in radio wave measurement systems, measurement devices, water resources assessment, etc., can solve the problems of unguaranteed safety, hidden safety hazards, and low accuracy of automatic water entry detection schemes, and achieve The effect of enhancing market competitiveness, avoiding misjudgment, and improving detection accuracy
Active Publication Date: 2019-04-19
GOERTEK INC
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However, the accuracy rate of the automatic water entry detection scheme in the prior art is low, misjudgment occurs from time to time, the safety of some automatic water entry detection schemes cannot be guaranteed, and there are potential safety hazards. These technical problems need to be solved urgently
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[0021] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] There is a water-entry detection scheme that is implemented by setting two metal pins in the circuit for short-circuit detection. The principle of this scheme is: after entering the water, because the water in nature has an impedance equivalent to a certain value (the value is a value in the range of several thousand to tens of thousands of ohms, and the value is different according to the water quality), the water will...
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The invention discloses an electronic device and a water entry detection method thereof. The method comprises steps that the capacitance value change amount is obtained after a capacitance value of the electronic device at the target position is detected; the capacitance value change amount at the target position is compared with the preset water entry determination condition, if the water entry determination condition is satisfied, that the electronic device enters in the water is determined, and a water entry operation signal is outputted. The method is advantaged in that whether the integral machine is in the water is detected through utilizing change of the capacitance value of the electronic device at the target position, detection precision is improved, water entry detection can be completed on the condition that the internal part of the device is not in the water, and the detection process is safe and reliable.
Description
technical field [0001] The invention relates to the technical field of electronic equipment, in particular to an electronic equipment and a water entry detection method thereof. Background technique [0002] At present, some electronic devices such as smart watches are waterproof and can be used underwater. Therefore, such devices have automatic water detection capabilities to detect certain scenarios (such as children using children's watches to play in water, users normally wearing watches for swimming) In other scenarios) whether the equipment enters the water, take corresponding measures to better protect the equipment and prolong the service life of the equipment. However, the accuracy rate of the automatic water entry detection scheme in the prior art is low, misjudgment occurs from time to time, the safety of some automatic water entry detection schemes cannot be guaranteed, and there are potential safety hazards. These technical problems need to be solved urgently. ...
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IPC IPC(8): G01V3/00
CPCG01V3/00Y02A90/30
Inventor 刘珊珊胡治方赵大川蔡磊王振勇
Owner GOERTEK INC