Novel multichannel micro-fluidic chip

Abstract

The utility model relates to a novel multi-channel micro-fluidic chip which comprises a chip body, a plurality of micro-fluidic channels are arranged on the chip body, the micro-fluidic channels are arranged independently, each micro-fluidic channel is composed of a plurality of micro-channels, and the micro-channels are of a triangular structure and are communicated in parallel. One end of the micro-fluidic channel is communicated with the feeding channel, the feeding channel comprises a first feeding channel and a second feeding channel, the first feeding channel and the second feeding channel are both communicated with the micro-fluidic channel, and meanwhile, the first feeding channel and the second feeding channel are communicated to form a J-shaped structure; a feeding hole of the first feeding channel is higher than that of the second feeding channel, and the other end of the micro-fluidic channel is communicated with the discharging channel. According to the utility model, the micro-fluidic channel is lengthened, so that multiple mixing reactions can be carried out in the micro-fluidic channel, and the flow velocity is improved.

Description

Technical Field

[0001] The utility model relates to a novel multi-channel microfluidic chip. Background Art

[0002] At present, it is difficult to achieve mass production of microfluidic chips, and the single channel limits the flow rate that the equipment can amplify. After searching, the patent: A microfluidic mixer (CN202320294072.6), including a substrate and a cover plate, a channel is set on the surface of the substrate, the channel includes a feed channel and a mixing channel extending in a vertical direction, the feed channel is connected to the mixing channel, and a cross microstructure is set inside the mixing channel, and the mixed fluid forms a cross flow in the cross microstructure; the cover plate is vertically arranged and can be locked with the substrate, the cover plate is provided with a discharge port and at least two feed ports, the feed port is connected to the feed channel, and the discharge port is connected to the mixing channel. The above-mentioned microfluidic effect will weaken or even disappear, and it cannot be amplified year-on-year by increasing the channel aperture.

[0003] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a new multi-channel microfluidic chip with a new structure to make it more valuable for industrial use. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the present invention is to provide a novel multi-channel microfluidic chip.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A novel multi-channel microfluidic chip includes a chip body, on which are provided a plurality of microfluidic channels, which are independently arranged with each other. The microfluidic channels are composed of a plurality of microchannels, which have a triangular structure and are arranged in parallel and connected. One end of the microfluidic channel is connected to a feed channel, wherein the feed channel includes a first feed channel and a second feed channel, and the first feed channel and the second feed channel are both connected to the microfluidic channel. At the same time, the first feed channel and the second feed channel are connected and form a "J"-shaped structure, the feed port of the first feed channel is higher than the feed port of the second feed channel, and the other end of the microfluidic channel is connected to the discharge channel.

[0007] Preferably, in the novel multi-channel microfluidic chip, there are five microfluidic channels, which are spaced apart from each other and independently arranged.

[0008] Preferably, in the novel multi-channel microfluidic chip, there are 6 microchannels, which are arranged in parallel and connected front to back.

[0009] Preferably, in the novel multi-channel microfluidic chip, the microchannels are in an equilateral triangle structure.

[0010] Preferably, in the novel multi-channel microfluidic chip, the diameter of the microchannel is 0.2 to 0.5 mm.

[0011] Preferably, in the novel multi-channel microfluidic chip, the diameters of the first feed channel and the second feed channel are between 0.2 and 0.6 mm.

[0012] By means of the above solution, the present invention has at least the following advantages:

[0013] The utility model increases the microfluidic channel, so that multiple mixing reactions can be carried out therein, thereby improving the flow rate; at the same time, the number of microfluidic channels is increased, thereby greatly improving the processing capacity and effectively improving the work efficiency.

[0014] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural diagram of the present utility model. DETAILED DESCRIPTION

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0019] Example

[0020] like Figure 1 As shown, a new type of multi-channel microfluidic chip includes a chip body 1, and a plurality of microfluidic channels 2 are provided on the chip body 1, which are independently arranged with each other. The microfluidic channel 2 is composed of a plurality of microchannels 21, and the microchannels 21 are triangular in structure and are arranged in parallel. One end of the microfluidic channel 2 is connected with a feed channel 3, wherein the feed channel 3 includes a first feed channel 31 and a second feed channel 32, and the first feed channel 31 and the second feed channel 32 are both connected with the microfluidic channel 2. At the same time, the first feed channel 31 and the second feed channel 32 are connected and form a "J"-shaped structure, and the feed port 33 of the first feed channel 31 is higher than the feed port 34 of the second feed channel 32. The other end of the microfluidic channel 2 is connected with the discharge channel 4.

[0021] The microfluidic channels 2 in the present invention are provided with five, which are spaced apart from each other and independently arranged.

[0022] The micro channels 21 of the present invention are provided with 6, which are arranged in parallel and connected front to back, wherein the micro channels 21 are in an equilateral triangle structure.

[0023] The diameter of the microchannel 21 in the present invention is 0.2-0.5 mm, wherein the diameters of the first feed channel 31 and the second feed channel 32 are 0.2-0.6 mm.

[0024] The diameter of the micro channel 21 is 0.3 mm, and the diameters of the first feed channel 31 and the second feed channel 32 are both 0.4 mm.

[0025] During specific operation, different materials are first fed through the first feed channel and the second feed channel, and at the same time, multiple mixing reactions can be carried out in the micro channels with multiple parallel triangular structures, thereby increasing the flow rate.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0027] In the description of this application, it should be noted that the terms "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of this application is typically placed when in use. These terms are intended solely to facilitate the description of this application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," etc., etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0028] In addition, the terms "horizontal" and "vertical" do not mean that the components must be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0029] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A novel multi-channel microfluidic chip, comprising a chip body (1), characterized in that: The chip body (1) is provided with a plurality of microfluidic channels (2), which are independently arranged with respect to each other. The microfluidic channel (2) is composed of a plurality of microchannels (21), which are triangular in structure and are arranged in parallel and connected. One end of the microfluidic channel (2) is connected with a feed channel (3), wherein the feed channel (3) includes a first feed channel (31) and a second feed channel (32), and the first feed channel (31) and the second feed channel (32) are both connected with the microfluidic channel (2). At the same time, the first feed channel (31) and the second feed channel (32) are connected and form a "J"-shaped structure, and the feed port (33) of the first feed channel (31) is higher than the feed port (34) of the second feed channel (32). The other end of the microfluidic channel (2) is connected with a discharge channel (4).

2. A novel multi-channel microfluidic chip according to claim 1, characterized in that: The microfluidic channels (2) are provided with five, which are spaced apart from each other and independently arranged.

3. The novel multi-channel microfluidic chip according to claim 1, characterized in that: There are six micro channels (21) which are arranged in parallel and connected front to back.

4. A novel multi-channel microfluidic chip according to claim 1 or 3, characterized in that: The microchannel (21) is in an equilateral triangle structure.

5. The novel multi-channel microfluidic chip according to claim 1, characterized in that: The diameter of the microchannel (21) is 0.2-0.5 mm.

6. The novel multi-channel microfluidic chip according to claim 1, characterized in that: The diameters of the first feed channel (31) and the second feed channel (32) are between 0.2 and 0.6 mm.

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