Fingerprint lock
A fingerprint lock and fingerprint identification module technology, applied in the field of fingerprint locks, can solve the problems of fingerprint lock anti-theft performance degradation, etc., achieve the effects of reducing the probability of password leakage, improving security performance, and reducing use traces
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[0025] As a specific embodiment of the present invention, the aperture value at the outlet of the water spray hole 12 is smaller than the aperture value at the bottom of the water spray hole 12. During operation, the water spray hole 12 is at a certain distance from the fingerprint collection site. Is not enough, the cleaning fluid cannot reach the fingerprint recognition module 1b, that is, it will not have a cleaning effect. The diameter of the outlet of the spray hole 12 becomes smaller, which increases the pressure of the cleaning fluid at the outlet of the spray hole 12, so that the cleaning fluid is sprayed At the water hole 12, the flow rate is increased, the spray is farther, and the cleaning rate of fire is increased. On the one hand, it can spray farther and reach the fingerprint recognition module 1b. On the other hand, it uses the impact of the cleaning liquid to wash away sweat stains. , The sweat stains on the fingerprint lock are cleaned more thoroughly, the clean...
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