阅读说明：本技术 一种利用自转进行温控的离心力微流控系统 (Centrifugal force micro-fluidic system for controlling temperature by utilizing autorotation ) 是由 程寿华 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种利用自转进行温控的离心力微流控系统,属于涉及微流控技术领域,包括微流控转盘,所述微流控转盘的一侧还设有一个与微流控转盘同轴的风扇,所述微流控转盘与微流控转盘之间设有电路板,电路板与微流控转盘同轴转动,本发明在转盘微流控系统中克服了需要在侧面额外加入吹风系统的问题,节省了空间。没有在电路板上进行电制冷来散热,降低了电路板的设计难度。(The invention discloses a centrifugal force micro-fluidic system for controlling temperature by utilizing autorotation, which belongs to the technical field of micro-fluidics and comprises a micro-fluidic turntable, wherein one side of the micro-fluidic turntable is also provided with a fan coaxial with the micro-fluidic turntable, a circuit board is arranged between the micro-fluidic turntable and the micro-fluidic turntable, and the circuit board and the micro-fluidic turntable rotate coaxially. The circuit board is not cooled electrically to dissipate heat, so that the design difficulty of the circuit board is reduced.)

1. The centrifugal force micro-fluidic system for controlling the temperature by utilizing autorotation comprises a micro-fluidic turntable (1) and is characterized in that a fan (3) coaxial with the micro-fluidic turntable (1) is arranged on one side of the micro-fluidic turntable (1), a circuit board (2) is arranged between the micro-fluidic turntable (1) and the fan (3), and the circuit board (2) and the micro-fluidic turntable (1) rotate coaxially.

2. The centrifugal force micro-fluidic system for controlling temperature by autorotation as claimed in claim 1 wherein the fan (3) is located above the micro-fluidic turntable (1).

3. The centrifugal force microfluidic system for controlling temperature by autorotation as claimed in claim 1 wherein the fan (3) is located below the microfluidic rotor disc (1).

4. The centrifugal force microfluidic system for temperature control by autorotation as claimed in claim 1 wherein said circuit board (2) is of circular configuration.

5. The centrifugal force microfluidic system for controlling temperature by autorotation according to any of claims 1 to 4 wherein the circuit board (2) is powered wirelessly.

6. The centrifugal force microfluidic system for controlling temperature by autorotation according to claim 5, wherein the circuit board (2) is an electric heating circuit board.

7. The centrifugal force micro-fluidic system for controlling temperature by autorotation as claimed in claim 5 wherein the micro-fluidic turntable (1), the circuit board (2) and the fan (3) share the same rotating shaft.

Technical Field

The invention relates to the technical field of microfluidics, in particular to a centrifugal force microfluidic system for controlling temperature by utilizing autorotation.

Background

Microfluidics is a technology for precisely controlling and controlling microscale fluid, in particular to a submicron structure, and the technology adopting the microfluidics is an indispensable technology in the precise control technology.

Microfluidics is divided into pumped and unpumped microfluidics, where one way to achieve unpumped microfluidics is to drive the microfluidics by centrifugal force generated by a rotating disk. In performing biochemical reactions in centrifugal force microfluidic systems, it is often necessary to control the reaction temperature. The common method is to add a gas flow with temperature to heat and radiate; or a circuit board is added on the disk to heat or cool by electric heating or cooling.

Disclosure of Invention

The present invention is directed to a centrifugal force microfluidic system using autorotation to control temperature, so as to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a centrifugal force micro-fluidic system for controlling temperature by utilizing autorotation comprises a micro-fluidic turntable, wherein a fan coaxial with the micro-fluidic turntable is further arranged on one side of the micro-fluidic turntable, a circuit board is arranged between the micro-fluidic turntable and the fan, and the circuit board and the micro-fluidic turntable rotate coaxially.

As a further technical scheme of the invention: the fan is positioned above the micro-fluidic rotating disc.

As a further technical scheme of the invention: the fan is positioned below the micro-fluidic rotating disc.

As a further technical scheme of the invention: the circuit board is of a circular structure.

As a further technical scheme of the invention: the circuit board is wirelessly powered.

As a further technical scheme of the invention: the circuit board is a power-on heating circuit board.

As a further technical scheme of the invention: the micro-fluidic rotary disc, the circuit board and the fan share the same rotating shaft.

Compared with the prior art, the invention has the beneficial effects that: the invention solves the problem that an air blowing system needs to be additionally arranged on the side surface in the rotary disc microfluidic system, and saves space. The circuit board is not cooled electrically to dissipate heat, so that the design difficulty of the circuit board is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1-micro-fluidic rotating disc, 2-circuit board and 3-fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a centrifugal force microfluidic system using autorotation for temperature control includes a microfluidic turntable 1, a circuit board 2 is disposed above or below the microfluidic turntable 1, the circuit board 2 is a circular structure and is used for heating a micro-area in a microfluidic flow path in an electric heating manner, the circuit board 2 and the microfluidic turntable 1 rotate coaxially, and a fan 3 coaxial with the microfluidic turntable 1 is disposed above or below the microfluidic turntable 1. Meanwhile, the circuit board 2 and the fan 3 are arranged on the same side. The circuit board 2 is positioned between the micro-fluidic rotating disc 1 and the fan 3, so that when the micro-fluidic rotating disc 1 rotates, the circuit board 2 and the fan 3 also rotate along with the micro-fluidic rotating disc, and when the fan 3 rotates, air flow can be blown to the micro-fluidic rotating disc 1, so that temperature reduction is realized.