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An injection pump drive device for a microfluidic system

A technology of microfluidic system and driving device, which is applied in the direction of laboratory containers, laboratory utensils, chemical instruments and methods, etc.

Active Publication Date: 2021-04-09
INTEGRATED BIOSYSTEMS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a liquid injection pump driving device for a microfluidic system, which can solve the problems of the existing liquid injection pump for a microfluidic system

Method used

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  • An injection pump drive device for a microfluidic system
  • An injection pump drive device for a microfluidic system
  • An injection pump drive device for a microfluidic system

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Embodiment Construction

[0030] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower surface", "upper", "lower" etc. are based on the attached figure 1 The orientation or positional relationship shown. Such terms are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0031] The present invention will be further described below in conjunction with the accompanying drawings.

[0032] A driving device for an injection pump for a microfluidic system, which includes: an integrated board 1, a driving mechanism, a PCB board 5, a zero plate 6, and a photoelectric sensor 7, wherein the driving mechanism includes: a reducer 2, a motor 3, and an ou...

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Abstract

The invention discloses a liquid injection pump driving device for a microfluidic control system, which mainly includes: an integrated board, a driving mechanism, a zero plate, a photoelectric sensor, a PCB board, and an output shaft; a control circuit with a motor is installed on the integrated board The PCB board, the driving mechanism and the corresponding photoelectric sensor; the driving mechanism is composed of a motor, a reducer, and an output shaft; the motor drives the output shaft to rotate through the reducer, wherein The output shaft is equipped with the zero position sheet, and the initial position of the output shaft rotation and the end position after a certain number of rotations are detected by the photoelectric sensor; the advantage of the present invention is that the driving mechanism can be used in a single group or in multiple groups Arranging side by side improves the efficiency of use, and through the cooperation of the motor and the reducer, the pressure supply and stability of the system can be improved. At the same time, the coordination of the zero plate and the photoelectric sensor can improve the system's liquid absorption and Draining accuracy.

Description

technical field [0001] The invention relates to the field of biochemical analysis equipment, in particular to a liquid injection pump driving device for a microfluidic control system. Background technique [0002] Microfluidics is a system that uses micropipes to process or manipulate tiny fluids. Microfluidics can achieve a series of microfabrication and microoperations that are difficult to complete by conventional methods. At present, microfluidic chips have been widely used in technical fields such as digital PCR and gene sequencing. Among them, the infusion pump (syringe pump) in the microfluidic system is an important device to complete the pushing or drawing of the liquid sample to be transferred. Among them, the driving device of the pump is a key factor that directly affects the pushing and pumping pressure and the accuracy of liquid delivery. In the prior art, the diameter of the microchannel for transmitting the sample droplet in the microfluidic chip is general...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01L3/00
CPCB01L3/50273
Inventor 范东雨李洁昆蔡亦梅高静任玮鹏张瑜任鲁风
Owner INTEGRATED BIOSYSTEMS CO LTD
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