Touch screen refreshing device capable of preventing finger vein residue

Abstract

The invention discloses a touch screen refreshing device capable of preventing finger vein residue, and belongs to the field of finger veins, a base station is arranged below a vein pattern extraction instrument, the base station is fixedly connected with a concrete ground, four telescopic pipes are arranged at the top end of the base station, the telescopic pipes are uniformly arranged at four corners of the base station, and the telescopic pipes are fixedly connected with the base station. A telescopic rod is slidably mounted in the telescopic pipe, a platform is fixedly mounted at the top end of the telescopic rod, the portion below the platform is sealed in a safety plastic box, the platform and the base are connected through a reset spring, the maximum elastic force of the reset spring is three hundred Newtons, and a rebound air bag mechanism is arranged on the side wall of the base. According to the finger vein collecting device, the settlement sliding block is lifted upwards by the ram, the movable guide rail and the pressure plate can move downwards along with the platform, the pressure plate and the abutting plate on one side of the settlement sliding block can extrude the threaded plastic bag, impurities can be blown away by high-pressure air flow, after pretreatment, a person carries out finger vein collecting operation, and the effect of automatically refreshing the touch screen is achieved.

Description

technical field [0001] The invention relates to the field of vein collection, in particular to a touch screen refreshing device capable of preventing finger vein residue. Background technique [0002] With the development of industrial technology, the development of modern protective equipment is becoming more and more perfect. Company offices or confidential object storage rooms need to use fingerprint or vein recognition systems, but vein recognition systems are greatly affected by debris during work. , if there are too many substances on the finger, when the infrared rays pass through the finger, the dust in it will interfere with the image of the finger vein, and the substance on the finger will stick to the touch screen; [0003] Too much dust accumulates on the touch screen. If the cleaning liquid flows to the position of the electronic system if it is washed with water, the cleaning liquid will short-circuit the circuit and burn it. This is also safe, and the cleaning...

AI Technical Summary

Problems solved by technology

[0002] With the development of industrial technology, the development of modern protective equipment is becoming more and more perfect. Company offices or confidential object storage rooms need to use fingerprint or vein recognition systems, but vein recognition systems are greatly affected by debris during work. , if there are too many substances on the finger, when the infrared rays pass through the finger, the dust in it will interfere with the image of the finger vein, and the substance on the finger will stick to the touch screen;

[0003] Too much dust accumulates on the touch screen. If the cleaning liquid flows to the position of the electronic system if it is washed with water, the cleaning liquid will short-circuit the circuit and burn it. This is also safe, and the cleaning liquid stays on the touch screen. Fluid can also affect the collection of finger vein patterns

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