CN217662627U - Sample reaction tank and sample analyzer - Google Patents

Abstract

The application provides a sample reaction cell and a sample analyzer. This sample reaction tank includes the cell body, and the cell body includes diapire and lateral wall, and diapire and lateral wall are connected in order to form the reaction chamber, and wherein, the diapire of cell body includes first sub-diapire and the sub-diapire of second of being connected with first sub-diapire, and first sub-diapire is including the arcwall face of connecting the lateral wall, and the sub-diapire of second is including the looks tangent plane of connecting the arcwall face, and it is tangent with the arcwall face in it, is provided with first inlet on the first sub-diapire, and first inlet is used for pouring into liquid to the reaction chamber in. The sample reaction tank is simple in structure and convenient to produce, and can improve the mixing effect of samples, so that the accuracy of sample detection results is improved.

Description

Sample reaction tank and sample analyzer

Technical Field

The application relates to the field of medical equipment, in particular to a sample reaction tank and a sample analyzer.

Background

With the popularization of the application of the blood cell analyzer, the requirement on the accuracy of the detection result of the blood cell analyzer is higher and higher. After the blood cell analyzer collects a blood sample, the blood sample is mixed and reacted with the reagent in the reaction assembly, and the mixing degree (mixing uniformity) of the blood sample and the reagent directly influences the reaction effect of the blood and the reagent.

However, in the prior art, the uniform mixing effect of the sample in the reaction tank is not ideal, so that the accuracy of the sample detection result is not high.

SUMMERY OF THE UTILITY MODEL

The application provides a sample reaction tank and sample analyzer to solve the mixing effect of sample in the reaction tank among the prior art and not ideal, lead to the not high technical problem of degree of accuracy of sample testing result.

In order to solve the technical problem, the application adopts a technical scheme that: the utility model provides a sample reaction tank, this sample reaction tank includes the cell body, the cell body includes diapire and lateral wall, diapire and lateral wall are connected in order to form the reaction chamber, wherein, the diapire of cell body includes first sub-diapire and the sub-diapire of second of being connected with first sub-diapire, first sub-diapire is including the arcwall face of connecting the lateral wall, the sub-diapire of second is including the looks tangent plane of connecting the arcwall face, it is tangent with the arcwall face in phase tangent plane wherein, be provided with first inlet on the first sub-diapire, first inlet is used for injecting into liquid to the reaction chamber.

Further, one side of the first liquid inlet, which is close to the reaction cavity, is tangent to the arc-shaped surface.

Further, the first liquid inlet is arranged at one end of the first sub-bottom wall close to the side wall.

Further, a second liquid inlet is further formed in the bottom wall and is located on the other side, far away from the side wall, of the first liquid inlet.

Furthermore, an overflow port is formed in the side wall, the sample reaction tank further comprises an overflow joint, the overflow joint is connected with the overflow port, and the caliber of the overflow joint close to one side of the reaction cavity is smaller than that of the overflow joint far away from the reaction cavity.

Furthermore, the overflow joint comprises a first sub-overflow joint and a second sub-overflow joint connected with the first sub-overflow joint, the caliber of the second sub-overflow joint is larger than that of the first sub-overflow joint, and the second sub-overflow joint and the first sub-overflow joint are coaxially arranged.

Furthermore, the side wall is provided with an overflow port, the sample reaction tank further comprises an overflow joint, the overflow joint is connected with the overflow port, and the overflow joint is a variable-diameter joint.

Furthermore, an overflow port is formed in the side wall, the sample reaction tank further comprises an overflow joint, the overflow joint is connected with the overflow port, and the overflow joint is obliquely arranged.

Furthermore, an overflow port is formed in the side wall, the sample reaction tank further comprises an overflow joint, the overflow joint is connected with the overflow port, an overflow channel is formed in the overflow joint, and at least part of the overflow channel is bent towards the direction close to the bottom wall.

In order to solve the technical problem, the other technical scheme adopted by the application is as follows: there is provided a sample analyser comprising a sample reaction cell according to any one of the embodiments described above.

The beneficial effect of this application is: be different from prior art's condition, the sample reaction tank of this application includes the cell body, and the cell body includes diapire and lateral wall, and diapire and lateral wall are connected in order to form the reaction chamber, and the sample carries out the mixing in the reaction chamber to be used for detecting. Wherein, the diapire of cell body includes first sub diapire and the sub diapire of second of being connected with first sub diapire, and first sub diapire is including the arcwall face of connecting the lateral wall, and the sub diapire of second is including the looks tangent plane of connecting the arcwall face, and wherein looks tangent plane is tangent with the arcwall face, is provided with first inlet on the first sub diapire, and first inlet is used for pouring into liquid into to the reaction chamber. The utility model provides a diapire of sample reaction tank adopts the mode that arcwall face and tangent face combined together, and messenger's liquid that can be better carries out vortex flow, improves the mixing effect of sample.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic diagram of a sample reaction cell according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of the sample reaction cell shown in FIG. 1;

FIG. 3 is a schematic cross-sectional and perspective view of an embodiment of the spill connector of FIG. 1;

FIG. 4 is a cross-sectional and structural schematic view of another embodiment of the spill joint of FIG. 1;

FIG. 5 is a cross-sectional and structural schematic view of another embodiment of the spill joint of FIG. 1;

FIG. 6 is a cross-sectional and structural schematic view of another embodiment of the spill joint of FIG. 1;

fig. 7 is a schematic structural diagram of an embodiment of a sample analyzer provided herein.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all 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 application.

It should be noted that if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed in the present application.

The application provides a sample reaction pond, this sample reaction pond can improve the mixing effect of sample through the improvement of structure, and makes thick liquid can flow out sample reaction pond through the overflow mouth more smoothly.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an embodiment of a sample reaction cell provided in the present application, and fig. 2 is a schematic cross-sectional diagram of the sample reaction cell shown in fig. 1, specifically, a sample reaction cell 100 includes a cell body 10, the cell body 10 includes a bottom wall 11 and a side wall 12, and the bottom wall 11 and the side wall 12 are connected to form a reaction chamber 101. The reaction chamber 101 is used for loading a sample to be tested, for example, the reaction chamber 101 is used for loading a blood sample and a reagent, and the blood sample and the reagent are mixed in the reaction chamber 101 for testing.

Further, as shown in fig. 2, the bottom wall 11 of the cell body 10 includes a first sub-bottom wall 111 and a second sub-bottom wall 112 connected to the first sub-bottom wall 111, one end of the first sub-bottom wall 111 is connected to the side wall 12, and the other end of the first sub-bottom wall 111 is connected to the second sub-bottom wall 112. The first sub-bottom wall 111 includes an arc-shaped surface 113 connected to the side wall 12, and the second sub-bottom wall 112 includes a tangent surface 114 connected to the arc-shaped surface 113, wherein the tangent surface 114 is tangent to the arc-shaped surface 113, the first sub-bottom wall 111 is provided with a first liquid inlet 102, and the first liquid inlet 102 is used for injecting liquid into the reaction chamber 101, for example, a blood sample to be tested and a related reagent are injected into the reaction chamber 101 through the first liquid inlet 102.

In the present application, the tangent plane 114 of the second sub-bottom wall 112 connects with the arc-shaped plane 113 of the first sub-bottom wall 111, and the tangent plane 114 is arranged tangentially to the arc-shaped plane 113 at the connecting position. The arc surface 113 may be a part of a hemisphere, and the tangent plane 114 may be a part of a cone. In this application, the mode that the diapire 11 structure of cell body 10 improved into arcwall face 113 and tangent face 114 and combine together, the convenient liquid that can be better carries out vortex flow to increase mixing effect.

In addition, this application sets up first inlet 102 on first sub-diapire 111, and through this kind of mode, first inlet 102 is nearer apart from the bottom of cell body 10, and it is less when making the interior feed liquor volume of reaction chamber 101, just begin the mixing, and when liquid got into first sub-diapire 111 department from first inlet 102, can form the vortex flow on arcwall face 113 to can improve the mixing effect of liquid.

Further, a side of the first liquid inlet 102 close to the reaction chamber 101 is tangent to the arc-shaped surface 113. That is, the surface of the first liquid inlet 102 is tangent to the arc-shaped surface 113, so that the arc-shaped surface can be fully utilized to make the liquid swirl as soon as the liquid enters the reaction chamber 101, so as to improve the uniform mixing effect.

The first liquid inlet 102 may be disposed on one side of the first sub-bottom wall 111 close to the side wall 12 to make full use of the arc-shaped surface 113 to generate a swirling flow for the liquid entering the reaction chamber 101.

As shown in fig. 2, at least a second liquid inlet 103 is further disposed on the bottom wall 11 of the sample reaction cell 100, and the second liquid inlet 103 may be used to inject a liquid, such as a small amount of reagent, into the reaction chamber 101. It is understood that the second liquid inlet 103 may also serve as a liquid outlet for allowing the liquid in the reaction chamber 101 to flow out of the liquid outlet.

The second liquid inlet 103 may be disposed on the first sub-bottom wall 111, and the second liquid inlet 103 may also be disposed on the second sub-bottom wall 112. The second inlet port 103 is located on the other side of the first inlet port 102 from the side wall 12 for distinguishing from the first inlet port 102 and facilitating outlet.

The first liquid inlet 102 and the second liquid inlet 103 are connected with a pipeline for injecting liquid into the reaction chamber 101 or guiding out the liquid in the reaction chamber 101.

As shown in fig. 1, the sidewall 12 of the cell body 10 is further provided with an overflow port 104, and the overflow port 104 enables the liquid overflowing from the reaction chamber 101 to smoothly flow out. The overflow port 104 is disposed near the opening of the cell body 10.

As shown in fig. 1, the overflow port 104 is correspondingly provided with an overflow joint 20, and the overflow joint 20 is connected to the overflow port 104 for guiding out the liquid overflowing from the reaction chamber 101.

In the case where the structure of the cell body 10 is limited, the overflow port 104 cannot be directly enlarged, and therefore, the overflow liquid in the reaction chamber 101 can be more smoothly drawn out by improving the structure of the overflow joint 20. For example, the passage of the overflow joint 20 may be made into a reducing or inclined opening manner, so that the viscous liquid can smoothly flow out of the reaction chamber 101 through the overflow opening 104 by increasing the radius of the outlet or by increasing the gravity, thereby preventing the upper surface of the tank 10 from being corroded.

In a specific embodiment, as shown in fig. 3, fig. 3 is a schematic cross-sectional and perspective view of an embodiment of the overflow adapter in the sample reaction cell shown in fig. 1, wherein the aperture of the overflow adapter 20 on the side close to the reaction chamber 101 is smaller than the aperture on the side far from the reaction chamber 101. Specifically, the overflow joint 20 includes a first sub-overflow joint 21 and a second sub-overflow joint 22 connected to the first sub-overflow joint 21, the caliber of the second sub-overflow joint 22 is larger than the caliber of the first sub-overflow joint 21, and the second sub-overflow joint 22 and the first sub-overflow joint 21 are coaxially arranged. In another embodiment, the first sub-overflow joint 21 and the second sub-overflow joint 22 may also be arranged non-coaxially.

In other embodiments, the caliber of the overflow joint 20 may gradually increase from the side close to the reaction chamber 101 to the side far from the reaction chamber 101. In this way, the viscous liquid overflowing from the reaction chamber 101 is also smoothly discharged.

In another embodiment, as shown in fig. 4, fig. 4 is a schematic cross-sectional and perspective view of another embodiment of the overflow joint in the sample reaction cell shown in fig. 1, in which the overflow joint 20 is a reducer joint. As shown in fig. 4, the overflow joint 20 includes a first sub-overflow joint 21 and a second sub-overflow joint 22 connected to the first sub-overflow joint 21, the channel formed by the first sub-overflow joint 21 and the channel formed by the second sub-overflow joint 22 are not straight, but are tapered, and the channel formed by the second sub-overflow joint 22 is inclined, so as to facilitate the outflow of the liquid overflowing from the reaction chamber 101.

In another embodiment, as shown in fig. 5, fig. 5 is a schematic cross-sectional and perspective view of another embodiment of the overflow adapter in the sample reaction cell shown in fig. 1, in this embodiment, the overflow adapter 20 is disposed obliquely, specifically, the overflow adapter 20 is inclined toward the direction close to the bottom wall 11, and the overflow adapter 20 forms an inclined straight channel to enable the liquid to be rapidly guided out under the action of gravity.

In another embodiment, as shown in FIG. 6, FIG. 6 is a schematic cross-sectional and perspective view of another embodiment of the overflow adaptor in the sample reaction cell shown in FIG. 1, in this embodiment, the overflow adaptor 20 is formed with an overflow channel, and at least a portion of the overflow channel is bent toward the direction close to the bottom wall 11. Part of the overflow channel is curved and arranged so that the end of the overflow connection 20 can be horizontally arranged to enable the end of the overflow connection 20 to be better matched and connected with the overflow opening 104, thereby improving the reliability of the connection of the overflow connection 20.

In conclusion, the simple structure of the sample reaction tank 100 that this application provided carries out the institutional advancement through the diapire 11 to cell body 10, can increase the mixing effect. In addition, by improving the structure of the overflow joint 20, the viscous liquid can smoothly flow out of the reaction chamber 101 through the overflow port 104, so as to prevent the upper surface of the cell body 10 from being corroded, and improve the reliability of the sample reaction cell 100.

The present application further provides a sample analyzer, as shown in fig. 7, fig. 7 is a schematic structural diagram of an embodiment of the sample analyzer provided in the present application, and the sample analyzer 70 is used for performing detection analysis on a sample. The sample analyzer 70 includes a sample reaction cell 71, the sample is uniformly mixed in the sample reaction cell 71 so that the sample analyzer 70 can detect the sample, and the sample reaction cell 71 is the sample reaction cell of any of the above embodiments.

For the structure of the sample reaction chamber 71, please refer to the drawings and the related descriptions of any of the above embodiments, which are not repeated herein.

Further, the sample analyzer 70 may further include a heat-preserving component (not shown) disposed at one side of the sample reaction cell 71, for adjusting the temperature of the sample reaction cell 71, so that the temperature of the sample reaction cell 71 can be maintained within a preset range, thereby improving the accuracy of sample detection.

The sample analyzer 70 may further include a temperature sensor (not shown) disposed at one side of the sample well 71 to sense the temperature of the sample well 71.

The utility model provides a sample analysis appearance 70's simple structure, and the sample reaction cell 71 in the sample analysis appearance 70 can improve the mixing effect of sample to improve sample detection's accuracy, in addition, through the improvement to the discharge outlet of sample reaction cell 71, can make thick liquid also can flow from the discharge outlet smoothly, avoid the upper surface of sample reaction cell 71 to be contaminated, improve sample analysis appearance 70's reliability.

The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure, which are directly or indirectly applied to other related technical fields, are included in the scope of the present disclosure.

Claims (10)

1. A sample reaction tank is characterized by comprising a tank body, wherein the tank body comprises a bottom wall and side walls, the bottom wall and the side walls are connected to form a reaction cavity,

the bottom wall of the tank body comprises a first sub bottom wall and a second sub bottom wall connected with the first sub bottom wall, the first sub bottom wall comprises an arc-shaped surface connected with the side wall, the second sub bottom wall comprises a phase tangent surface connected with the arc-shaped surface, the phase tangent surface is tangent with the arc-shaped surface, a first liquid inlet is formed in the first sub bottom wall, and the first liquid inlet is used for injecting liquid into the reaction cavity.

2. The sample reaction cell according to claim 1, wherein a side of the first liquid inlet near the reaction chamber is tangent to the arc-shaped surface.

3. The sample reaction cell according to claim 2, wherein the first liquid inlet is disposed at one end of the first sub-bottom wall close to the side wall.

4. The sample reaction cell according to claim 1, wherein a second liquid inlet is further disposed on the bottom wall, and the second liquid inlet is located on the other side of the first liquid inlet, which is far away from the side wall.

5. The sample reaction cell according to any one of claims 1 to 4, wherein an overflow port is provided on the side wall, the sample reaction cell further comprises an overflow joint, the overflow joint is connected with the overflow port, and the caliber of the overflow joint on the side close to the reaction chamber is smaller than the caliber of the overflow joint on the side far from the reaction chamber.

6. The sample reaction cell according to claim 5, wherein the overflow joint comprises a first sub-overflow joint and a second sub-overflow joint connected with the first sub-overflow joint, wherein the caliber of the second sub-overflow joint is larger than that of the first sub-overflow joint, and the second sub-overflow joint and the first sub-overflow joint are coaxially arranged.

7. The sample reaction cell according to any one of claims 1 to 4, wherein an overflow port is provided on the side wall, the sample reaction cell further comprises an overflow joint, the overflow joint is connected with the overflow port, and the overflow joint is a reducer joint.

8. The sample reaction cell according to any one of claims 1 to 4, wherein an overflow port is disposed on the side wall, and the sample reaction cell further comprises an overflow joint connected to the overflow port, wherein the overflow joint is disposed obliquely.

9. The sample reaction cell according to any one of claims 1 to 4, wherein an overflow port is provided on the side wall, the sample reaction cell further comprises an overflow joint, the overflow joint is connected with the overflow port, the overflow joint is formed with an overflow channel, and at least a part of the overflow channel is bent toward a direction close to the bottom wall.

10. A sample analyzer, characterized in that it comprises a sample reaction cell according to any one of claims 1 to 9.

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