Non-contact mixing device and mixing method therefor

Abstract

The invention provides a non-contact mixing device. The non-contact mixing device comprises 1, a base plate, 2, a mixing block which is arranged on the base plate and is provided with an installation part for receiving a container with a liquid needing to be mixed, and 3, a driver which can drive the mixing block to vibrate or rotate and is connected to the mixing block. In mixing of the non-contact mixing device, the liquid needing to be mixed does not directly contact with any objects and a medium inlet is avoided so that consumption of a cleaning solution is avoided and cross contamination is eliminated thoroughly and a cost is reduced. The non-contact mixing device utilizes the driver to drive the container to vibrate or rotate so that the liquid needing to be mixed in the container is uniformly mixed in vibration or rotation of the container. The non-contact mixing device has good stability, guarantees mixing effect repeatability, improves mixing effects, has short mixing time, improves mixing efficiency and improves a system automation rate. The invention also provides a mixing method utilizing the non-contact mixing device to carry out mixing.

Description

technical field [0001] The invention relates to the technical field of chemiluminescence detection and analysis, more specifically, to a non-contact mixing device, and also to a non-contact mixing method. Background technique [0002] When using a medical analysis instrument, it is necessary to mix two (or more than two, liquids to be added according to actual needs) liquids into the instrument to cause a chemical reaction between the liquids. In order to make the liquid react better and improve the accuracy of instrument analysis, it is necessary to mix the liquid in advance before adding it into the instrument. At present, two liquids are mainly mixed by the following two methods: [0003] Method 1. Represented by a fully automatic biochemical analyzer, a stirring rod (or called a stirring needle) that is in direct contact with the liquid is used. This method mainly uses a "paddle-type" stirring rod to contact the liquid. The rotary motion of the rod inserted into the li...

AI Technical Summary

Problems solved by technology

For this solution, although the stirring rod is omitted and the cost is saved, it is necessary to prepare a reverse medium inlet in the container, which also leads to the disadvantages of high cross-contamination rate and difficult cleaning.

[0005] In order to solve the above problems such as cross-contamination and difficult cleaning, those skilled in the art have developed a vibrating shaker. Its working principle is to first seal the container containing the liquid to be mixed, and then use the eccentric wheel to make the container vibrate horizontally or vertically. Make the liquid in the container come into contact with different angles to vibrate and mix

For the vibrating shaker, limited by its shaking mechanism, it is generally operated manually, and the container to be shaken needs to be sealed before operation, and it needs to be shaken several times at different angles to ensure its shaking. Uniform effect, longer time for shaking, low mixing efficiency

Moreover, the repeatability of the artificial shaking effect cannot be guaranteed, which may easily lead to uneven mixing

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