Analyzer system as well as liquid dispensing device and liquid dispensing method with cleaning function

Abstract

The invention discloses a liquid dispensing device with a cleaning function. The liquid dispensing device comprises a pure water component, a concentrated solution component and a liquid dispensing component, wherein an outlet of the concentrated liquid component and an outlet of the pure water component are both connected to an inlet of a first pump body through a valve body assembly; an outlet of the first pump body is connected with the liquid dispensing component; the liquid dispensing device further comprises a controller; the controller is in signal connection with the first pump body and the valve body assembly; the controller is used for controlling the valve body assembly to be communicated with a channel between the concentrated liquid component and the first pump body, and controlling the valve body assembly to conduct a channel between the pure water component and the liquid dispensing component after controlling the valve body assembly to stop supplying a concentrated solution to the first pump body, so that the pure water component supplies pure water to the channel between the first pump body and the liquid dispensing component. The application achieves the aims of flushing and diluting the first pump body and a subsequent pipeline; and the whole device is lower in cost and smaller in occupied area. The application also discloses a liquid dispensing method with the cleaning function as well as an analyzer system having the liquid dispensing device with the cleaning function.

Description

technical field [0001] The invention relates to the technical field of sample analysis instruments, more specifically, to a liquid dispensing device and a liquid dispensing method with a cleaning function. In addition, the present invention also relates to an analyzer system comprising the above-mentioned liquid dispensing device with cleaning function. Background technique [0002] Sample analyzers have become the main equipment for clinical immunodiagnosis. The structure of the existing cleaning liquid preparation device is complicated, and the ratio of the configured cleaning liquid is still inaccurate, and the cleaning liquid with an unqualified concentration is discarded in large quantities, resulting in a waste of resources. [0003] The main reason for the inaccurate ratio is specific to the cleaning liquid preparation device. Usually, the two components that provide pure water and the concentrated liquid supply the liquid to the liquid distribution container through...

AI Technical Summary

Problems solved by technology

[0004] However, since the concentrated liquid source is connected to the plunger pump in the middle of the liquid dispensing vessel, the pump body in the path of the liquid dispensing vessel, and the transmission pipeline are all filled with concentrated liquid, crystals are easily formed after being affected by the environment, resulting in blockage Pump valves and pipelines will affect the precision control in the follow-up liquid dosing process, and eventually cause the dosing accuracy to exceed the error range

[0005] To sum up, how to provide a liquid dispensing device that avoids large errors in liquid dosing accuracy is a problem that those skilled in the art need to solve

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