CN214201510U

CN214201510U - Liquid speed reducing structure of reagent tray

Info

Publication number: CN214201510U
Application number: CN202022645197.8U
Authority: CN
Inventors: 郝书顺
Original assignee: Shijiazhuang Hipro Biotechnology Co Ltd
Current assignee: Shijiazhuang Hipro Biotechnology Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-09-14
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to a liquid deceleration structure of a reagent disk, which comprises a plurality of acceleration runners and deceleration runners, wherein the acceleration runners and the deceleration runners are arranged between a liquid starting position and a liquid target position; the utility model discloses utilize apart from reagent dish rotation center apart from different and the centrifugal force that produces different, through setting up runner and speed reduction runner with higher speed and make liquid carry out the acceleration and deceleration motion at the transfer in-process to realize the buffering, not only make liquid transfer time increase, be favorable to the control to the chronogenesis, on the other hand can make liquid evenly enter into liquid target location, guarantees that each test element distribution is even, accurate.

Description

Liquid speed reducing structure of reagent tray

Technical Field

The utility model relates to a reagent dish liquid deceleration structure.

Background

The reagent disk is regarded as a development trend of modern medical treatment, and is more and more taken into consideration by more enterprises. The reagent tray can divide the added liquid sample into a plurality of parts, and can realize a plurality of functions such as sample quantification and the like by utilizing a specific pipeline structure.

In the practical use process, the reaction time of the liquid in each reaction tank is different sometimes due to the requirements of reaction conditions or other factors, and the reagent tray can stop rotating only after the last reaction is finished, so that the liquid in some reaction tanks or pipelines is required to delay flowing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a reagent dish liquid structure of slowing down is provided, can slow down when liquid shifts flowing to adjust the time that liquid shifted.

The utility model adopts the technical proposal that: a liquid deceleration structure of a reagent disk comprises a plurality of acceleration flow channels and deceleration flow channels which are arranged between a liquid starting position and a liquid target position and are connected end to end, wherein the flow direction of liquid in the deceleration flow channels faces to the rotation center of the reagent disk, and the flow direction of liquid in the acceleration flow channels is opposite to the rotation center of the reagent disk.

Further, the liquid target position is communicated with the deceleration flow channel.

Furthermore, two adjacent accelerating runners are communicated with the decelerating runners through arc runners, and a plurality of groups of accelerating runners, arc runners and decelerating runners form a continuous U-shaped structure.

Further, the distances between the U-shaped bottoms of the two adjacent U-shaped structures and the rotating center of the reagent tray are unequal.

Furthermore, the accelerating runner is communicated with the decelerating runner through a transition runner, the transition runner comprises a first uniform-speed runner, a transition accelerating runner and a second uniform-speed runner which are sequentially communicated, the first uniform-speed runner and the second uniform-speed runner are in the shape of a circular arc concentric with the rotation center of the reagent disk, and the second uniform-speed runner is radially outward relative to the first uniform-speed runner.

Furthermore, a deceleration flow channel communicated with the liquid target position is communicated with the acceleration flow channel through a third uniform flow channel, and the third uniform flow channel is in an arc shape concentric with the rotation center of the reagent disk.

The utility model discloses an actively the effect does: the utility model discloses utilize apart from reagent dish rotation center apart from different and the centrifugal force that produces different, through setting up runner and speed reduction runner with higher speed and make liquid carry out the acceleration and deceleration motion at the transfer in-process to realize the buffering, not only make liquid transfer time increase, be favorable to the control to the chronogenesis, on the other hand can make liquid evenly enter into liquid target location, guarantees that each test element distribution is even, accurate.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Detailed Description

Example 1

As shown in FIG. 1, the present invention is applied to a liquid transfer structure on a rotatable reagent disk, and the arrows in the figure indicate the liquid flow direction. It is including setting up between liquid initial position 1 and liquid target location 2 and end to end's a plurality of runner 4 and the runner 3 that slows down, and in the in-service use, liquid initial position 1 can be the stock solution storehouse of liquid also can be a certain point of liquid runner, and the target location 2 of liquid can be reaction tank or a certain position of liquid runner, the utility model discloses mainly appear delaying the effect of shifting when liquid shifts to the reagent dish, specific initial position and target location can be selected according to the reality.

In this embodiment, the liquid starting position 1 is referred to as a liquid storage tank, and the liquid target position 2 is referred to as a reaction tank.

According to the principle of centrifugal force, when the liquid flows towards the direction far away from the rotating center of the reagent disk, the centrifugal force is gradually increased, and the speed is also gradually increased, and when the liquid flows towards the direction close to the rotating center of the reagent disk, the centrifugal force is gradually reduced, and the speed is also gradually reduced. Therefore, the liquid flow direction in the deceleration flow path 3 is toward the rotation center of the reagent disk, and the liquid flow direction in the acceleration flow path 4 is away from the rotation center of the reagent disk, and preferably, the deceleration flow path 3 and the deceleration flow path 4 are arranged in the radial direction of the reagent disk.

Preferably, in order to make the liquid reach the liquid target position 2 at a low velocity, the liquid target position 2 is in direct communication with the deceleration flow channels 3, and the deceleration flow channels 3 are radially outward with respect to the liquid target position 2. Therefore, the liquid reaches the liquid target position 2 at a slower speed, the effect of delaying arrival can be realized, and the uniform and stable arrival of the liquid is facilitated.

As a further improvement of this embodiment, two adjacent accelerating flow channels 4 and two adjacent decelerating flow channels 3 are communicated with each other through an arc-shaped flow channel 5, so that the accelerating flow channels 4, the arc-shaped flow channels 5 and the decelerating flow channels 3 form U-shaped flow channels, and a plurality of groups of U-shaped flow channels are continuously communicated with each other, and the distance from the inflection point at the lowest end of each group of U-shaped flow channels to the rotation center of the reagent disk is different, so that the liquid passes through different speeds at the inflection point, and acceleration or deceleration is realized.

Example 2

As shown in fig. 2, in this embodiment, the acceleration channel 4 is communicated with the deceleration channel 3 through a transition channel, the transition channel includes a first uniform velocity channel 6, a transition acceleration channel 8, and a second uniform velocity channel 7 that are sequentially communicated, the first uniform velocity channel 6 and the second uniform velocity channel 7 are in the shape of an arc concentric with the rotation center of the reagent disk, and the second uniform velocity channel 7 is radially outward relative to the first uniform velocity channel 6.

And the deceleration flow channel 3 communicated with the liquid target position 2 is communicated with the acceleration flow channel 4 through a third uniform flow channel 9, and the third uniform flow channel 9 is in the shape of an arc concentric with the rotation center of the reagent disk.

As illustrated by the speed mark on fig. 2, the speed of the liquid at the initial position 1 of the liquid is V0, the liquid flows into the deceleration flow channel 3 for the first time, the speed at the tail end of the deceleration flow channel 3 is V1, at this time, V1 is less than V0, after the deceleration flow channel 3 is filled with the liquid, the liquid enters the first uniform flow channel 6, enters the transition acceleration flow channel 8 for acceleration after being filled with the first uniform flow channel 6, the speed at the tail end of the transition acceleration flow channel 8 is denoted as V2, at this time, V2 is greater than V1, the liquid enters the second uniform flow channel 7, the speed is unchanged, after the second uniform flow channel 7 is filled with the liquid, the speed of the liquid enters the acceleration flow channel 4, the speed of the liquid at the tail end of the acceleration flow channel 4 is V3, and V3 is greater than V2. The liquid enters the third uniform flow channel 9 after filling the accelerating flow channel 4, and then is decelerated again through another decelerating flow channel so that the liquid reaches the liquid target position 2.

In the drawings of the present invention, the three uniform flow channels are all represented by straight lines instead of straight lines, and those skilled in the art can understand the meanings therein.

The utility model discloses the center of rotation of reagent dish all is the below position that is located the graphic expression pipeline structure, and the liquid in the pipeline shifts under the centrifugal force effect. And by means of the prior art, the liquid can be transferred in the pipeline into the deceleration flow channel 3.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The liquid deceleration structure of the reagent disk is characterized by comprising a plurality of acceleration flow channels (4) and deceleration flow channels (3) which are arranged between a liquid starting position (1) and a liquid target position (2) and are connected end to end, wherein the flow direction of liquid in the deceleration flow channels (3) faces to the rotation center of the reagent disk, and the flow direction of liquid in the acceleration flow channels (4) is opposite to the rotation center of the reagent disk.

2. A reagent disk liquid deceleration arrangement according to claim 1, characterized in that the liquid target locations (2) are in communication with deceleration channels (3).

3. The liquid decelerating structure of the reagent tray according to claim 1 or 2, wherein two adjacent accelerating flow channels (4) and decelerating flow channels (3) are communicated through an arc-shaped flow channel (5), and a plurality of groups of accelerating flow channels (4), arc-shaped flow channels (5) and decelerating flow channels (3) form a continuous U-shaped structure.

4. The reagent tray liquid decelerating structure of claim 3, wherein the distance between the U-shaped bottom of two adjacent U-shaped structures and the rotation center of the reagent tray is not equal.

5. The liquid deceleration structure of the reagent disk according to claim 1 or 2, wherein the acceleration channel (4) is communicated with the deceleration channel (3) through a transition channel, the transition channel comprises a first uniform channel (6), a transition acceleration channel (8) and a second uniform channel (7) which are sequentially communicated, the first uniform channel (6) and the second uniform channel (7) are in the shape of an arc concentric with the rotation center of the reagent disk, and the second uniform channel (7) is radially outward relative to the first uniform channel (6).

6. The liquid deceleration structure of the reagent disk according to claim 5, wherein the deceleration flow channel (3) communicated with the liquid target position (2) is communicated with the acceleration flow channel (4) through a third uniform flow channel (9), and the third uniform flow channel (9) is in the shape of an arc concentric with the rotation center of the reagent disk.