Electric environment-friendly fingerprint and palmprint brushing and imaging device

A finger and palm print, environmental protection technology, applied in the direction of sensors, medical science, diagnostic recording/measurement, etc., can solve the problems of physical impact, fingerprint powder flying around, affecting the surrounding environment, etc.

Inactive Publication Date: 2016-04-13
郝彤辉 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the process of criminal investigation, when fingerprints need to be checked, it is necessary to use a fingerprint brush to evenly brush the fingerprint powder on the target area. The traditional fingerprint brush is separa...

Method used

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  • Electric environment-friendly fingerprint and palmprint brushing and imaging device
  • Electric environment-friendly fingerprint and palmprint brushing and imaging device

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] The specific implementation manner of the present invention will be described below with reference to the accompanying drawings. Such as figure 1 , figure 2 Shown: an electric environment-friendly fingerprint brush display, including a powder bottle 1 for containing fingerprint powder, a bracket 2 is connected below the powder bottle 1, and an air pump 3 and a brush bracket 4 are arranged on the bracket 2 , the exhaust port of the air pump 3 communicates with the powder bottle channel 5 located below the powder bottle 1 through a pipeline, and the powder bottle channel 5 also communicates with the powder blowing channel 6 in the brush bracket 4, in the The powder blowing channel 6 is slidingly connected with a hollow brush telescopic tube 7, the bottom end of the brush telescopic tube 7 is provided with a brush 9, and between the brush telescopic tube 7 and the powder blowing channel 6 is also provided with a The sealing ring 8 is provided with a brush accommodation ...

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PUM

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Abstract

The invention discloses an electric environment-friendly fingerprint and palmprint brushing and imaging device. The device comprises a powder bottle, and is characterized in that the lower part of the powder bottle is connected with a support, an air pump and a brush holder are arranged on the support, an exhaust port of the air pump is communicated with a powder bottle channel below the powder bottle, the powder bottle channel is further communicated with a powder blowing channel formed in the brush holder, a hollow brush retracting cylinder is glidingly connected into the powder blowing channel, a seal ring is arranged between the brush retracting cylinder and the powder blowing channel, a brush is arranged at the bottom end of the brush retracting cylinder, a brush accommodating cavity is formed in the brush holder below the powder blowing channel, meanwhile, a powder suction structure is further arranged at the bottom end of the brush holder, a sorption pump is arranged in the powder suction structure, filter cotton is arranged at the bottom end of the powder suction structure, a brush push button is fixedly connected with the brush retracting cylinder, the button part of the brush push button is located outside the brush holder, and a long hole matched with the brush push button is formed in the brush holder.

Description

technical field [0001] The invention relates to a fingerprint brush, in particular to an electric environment-friendly finger and palm print brush display capable of preventing flying dust. Background technique [0002] In the process of criminal investigation, when fingerprints need to be checked, it is necessary to use a fingerprint brush to evenly brush the fingerprint powder on the target area. The traditional fingerprint brush is separated from the container containing the fingerprint powder, and the fingerprint powder will fly around during the operation, affecting surroundings. Once the operator inhales fingerprint powder, it will also have a certain impact on the body. Therefore, there is a need for a device or method capable of solving the above problems. Contents of the invention [0003] The present invention aims to solve the above-mentioned deficiencies in the prior art, and proposes an electric environment-friendly finger and palm print display with simple ...

Claims

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Application Information

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IPC IPC(8): A61B5/1172
CPCA61B5/1172
Inventor 郝彤辉刘远鹏杜永斋王强陈淼潘健张洋石纪军王微邵琳刘世慧
Owner 郝彤辉
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