Fully automatic piston type fingerprint sweat collecting chamber
A piston type, collection chamber technology, applied in the field of alcohol content detection and identity verification systems, can solve problems such as cross infection, narrow inspection range, unsanitary, etc., and achieve the effect of ensuring reliability, accuracy, and accuracy
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0023] like figure 1 , 2 Shown: a fully automatic piston-type sweat collection chamber, including a fingerprint reader 1, the fingerprint reader 1 is installed in a piston detector 2, the piston detector 2 is also installed with a screw-type piston 3, the The front portion of the piston detector 2 is a detection chamber 2a, and the rear portion is a motor chamber 2b. A motor 4 is installed in the motor chamber 2b. A gear 5 is fixed on the output shaft of the motor 4. The tooth surface of the gear 5 is in line with the The screw rods of the screw piston 3 are engaged, and the piston head of the screw piston 3 extends into the detection chamber 2a, and the piston head also coincides with the front opening of the detection chamber 2a, and the fingerprint reader 1 is fixed on the the lower bottom of the detection chamber 2a;
[0024] T...
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