Anti-interference gesture sensor and extractor hood
A gesture sensing and anti-interference technology, applied in the fields of range hoods and anti-interference gesture sensors, can solve the problems of signal interference and user inconvenience, and achieve the effect of avoiding a lot of interference
Pending Publication Date: 2018-08-07
CHINABEST HOME APPLIANCE
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Problems solved by technology
These gesture sensors are usually controlled by infrared rays. When the infrared rays meet the hand, the signal is reflected. Since the signal is reflected, there will be a signal sent at basically 180°. When we use pots, bowls and other kitchen utensils, the signal passes through the pot, bowl, etc. The smooth surface of the kitchen utensils (stainless steel, etc.) will also produce signal reflection, which will cause signal interference and cause inconvenience to users
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[0015] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0016] Such as Figure 1 to Figure 3 As shown, an anti-interference gesture sensor includes an annunciator 1, which is provided with a signal transmitter and a signal receiver, which can transmit and receive laser, infrared and other light wave (electromagnetic wave) signals, and annunciator 1 is provided with The signal generation point 2 and the signal receiving point 3, the signal emission of the signal generation point 2 is basically 180° outward emission. The annunciator 1 is provided with a signal guide piece 4 at the front end of the signal transmitting point 2 and the signal receiving point 3, the annunciator 1 is provided with a first convex frame 11 at the front end of the signal generating point 2, and the annunciator 1 is provided with a The second convex frame 12 and the signal guide piece 4 are sleeved on the first convex frame 11...
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The invention relates to an anti-interference gesture sensor. The anti-interference gesture sensor comprises an annunciator, wherein the annunciator is provided with a signal generating point and a signal receiving point, and signal guiding pieces are arranged at the front ends of a signal transmitting point and the signal receiving point of the annunciator. A transmitting guide hole in communication with the signal transmitting point and a receiving guide hole in communication with the signal receiving point are formed in the signal guiding pieces. When a signal emitted by the signal generating point passes through the transmitting guide hole and is guided to encounter obstacles, the signal is reflected through the receiving guide hole and finally received by the signal receiving point. The anti-interference gesture sensor has simple structure and can effectively prevent signal interference operation.
Description
【Technical field】 [0001] The invention relates to an induction component on a kitchen appliance, in particular to an anti-interference gesture sensor, and also relates to a range hood. 【Background technique】 [0002] With the popularization of smart electrical appliances, some jobs that control electrical appliances through gestures have appeared on the market. These gesture sensors are usually controlled by infrared rays. When the infrared rays meet the hand, the signal is reflected. Since the signal is reflected, there will be a signal sent at basically 180°. When we use pots, bowls and other kitchen utensils, the signal passes through the pot, bowl, etc. The smooth surface of the kitchen utensils (stainless steel, etc.) will also produce signal reflection, which will cause signal interference and cause inconvenience to users. 【Content of invention】 [0003] The object of the present invention is to overcome the deficiencies of the prior art and provide a gesture sensor...
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IPC IPC(8): F24C15/20
CPCF24C15/2021
Inventor 庞江梁淞涛
Owner CHINABEST HOME APPLIANCE