CN2713463Y

CN2713463Y - Flow colorimeter for biochemical analysis instrument

Info

Publication number: CN2713463Y
Application number: CN 200420036707
Authority: CN
Inventors: 周洵荣; 王晓敏
Original assignee: SHANGHAI ANTAI DIAGNOSTICS CO Ltd
Current assignee: SHANGHAI ANTAI DIAGNOSTICS CO Ltd
Priority date: 2004-06-24
Filing date: 2004-06-24
Publication date: 2005-07-27
Anticipated expiration: 2014-06-24

Abstract

The utility model relates to a flow colorimeter for biochemical analysis instrument, characterized in that the utility model comprises a sample inlet tube, window lenses, a colorimeter main body, and a sample outlet tube; in the colorimeter main body, one side is provided with a guide hole of the sample outlet tube, the inner part is provided with a sample room, and the other side is provided with a guide hole of the sample inlet tube; the sample room perpendicular to the end face of the colorimeter main body is arranged at the centre of symmetry of the colorimeter main body; one end of the sample room over a circular hole is communicated with the guide hole of the sample outlet tube, and the other end of the sample room on the left side of the circular hole is communicated with the guide hole of the sample inlet tube through an L-shaped small groove; the sample inlet tube and the sample outlet tube are perpendicularly arranged on the upper end of the colorimeter main body; the sample inlet tube and the guide hole of the sample inlet tube are perpendicularly communicated; the sample outlet tube and the guide hole of the sample outlet tube are perpendicularly communicated; on both sides of the colorimeter main body, the guide hole of the sample outlet tube and the sample inlet tube are respectively provided with the window lenses; the lower end of the colorimeter main body is provided with a sensor slot; the upper end of the colorimeter main body is provided with a concave point for measuring temperature. The utility model has the advantages of small sample room volume, trace sample, the sample room without dead zone, air-bubble prevention, little sample residual liquid so as to reduce the effect of cross contamination, good temperature control performance of the colorimeter, wide wavelength range of the window lenses to pass through, and easy processing. As a result, measuring stability and accuracy are greatly enhanced.

Description

The Biochemical Analyzer cuvette that flows

Technical field

The utility model relates to the mobile cuvette of a kind of Biochemical Analyzer, can be used in the clinical medicine check biochemical analyzer field, particularly relate to a kind of mobile cuvette of trace of measuring fluid sample concentration, specifically be used for semi-automatic biochemical analyzer and Part Full Automatic Biochemical Analyzer, belong to the cuvette technical field that flows.

Background technology

At present in the clinical medicine check, normally used mobile cuvette is simple in structure, generally form by pedestal and the glass sheet that sticks on the pedestal both sides, pedestal has feed tube in both sides in addition, drain pipe, owing to select the difference on the material, the anti-soda acid of cuvette is just closely not identical with the capacity of heat transmission, easily when measuring, make air enter the sample chamber under the situation of misoperation and produce bubble, the result who measures will produce error, in addition because the volumetric ratio of sample chamber is bigger, caused the sample reagent consumption big, thereby the too much cross pollution that causes in the continuous coverage of stagnant liquid very easily appears, directly had influence on the accuracy of test data, the control of contrast colors utensil temperature is not enough in addition and window to the limitations affect of wavelength the compatibility of cuvette.

Summary of the invention

The purpose of this utility model is a kind of Biochemical Analyzer that the influence of bubble and cross pollution reduces greatly in the process of measuring of invention cuvette that flows.

For realizing above purpose, the technical solution of the utility model provides the mobile cuvette of a kind of Biochemical Analyzer, it is characterized in that, by the sample introduction pipe, the window eyeglass, the window eyeglass, the cuvette body, going out the sample pipe forms, described cuvette body one side is provided with out sample pipe guide hole, inside is provided with the sample chamber, opposite side is provided with sample introduction pipe guide hole, the sample chamber is positioned at the symcenter of cuvette body, and it is vertical with the end face of cuvette body, one end above circular hole with go out sample pipe guide hole and communicate, the other end passes on left L shaped sulculus at circular hole and communicates with sample introduction pipe guide hole, the sample introduction pipe with go out the vertical upper end that places the cuvette body of sample pipe, sample introduction pipe and vertical the communicating of sample introduction pipe guide hole the sample pipe and go out vertical the communicating of sample pipe guide hole, go out sample pipe guide hole in the both sides of cuvette body and sample introduction pipe guide hole place is provided with the window eyeglass respectively, cuvette body lower end is provided with the sensor slot, and the upper end is provided with the spill point for measuring temperature.

The utility model adopts sample introduction pipe guide hole to communicate with the sample chamber by L shaped sulculus, make that liquid flow does not have the dead band in the sample chamber, sample directly washes away both sides window eyeglass in measuring process, make the residual liquid of sample drop to minimum, again because the sample chamber volume is little, have only 50 μ L～70 μ L, so in continuous coverage, can overcome the influence of cross pollution to greatest extent, guarantee measuring stability and repeatability, and structure that goes out on advancing under the sample and the angle of inclination that has 8 ° when installing, bubble in the assurance sample chamber can be discharged the most apace, at sensor slot mounting temperature sensor, can under the factor of different condition, carry out good temperature control by the contrast colors ware, meet the requirement of sample test, cuvette both sides window eyeglass adopting quartz glass can see through the different wave length among 340nm～750nm, has realized favorable compatibility.

The utility model has the advantages that the sample chamber volume is little, the sample trace, the sample chamber does not have the dead band, and anti-bubble function is arranged, and the residual liquid of sample is few, reduced the cross pollution influence, and the cuvette temperature control is all right, and the wavelength coverage that the window eyeglass can see through is wide, and processing is simple, above-mentioned advantage makes measuring stability and degree of accuracy greatly improve, and accommodation is wider.

Description of drawings

Fig. 1 is the mobile cuvette structural representation of Biochemical Analyzer.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Embodiment

As shown in Figure 1, be the Biochemical Analyzer cuvette structural representation that flows, described Biochemical Analyzer flow cuvette by sample introduction pipe 1, window eyeglass 3, window eyeglass 7, cuvette body 9, go out sample pipe 10 and form.

Described cuvette body 9 manufactured materials all are the metal stainless steels of strong acid-base resistance, adopt finishing, leave sample pipe guide hole 2 in cuvette body 9 left sides, the sample chamber 4 of elongated circular hole is opened in inside, the right side is driven sample pipe guide hole 6 and L shaped sulculus into, sample chamber 4 is positioned at the symcenter of cuvette body 9, and it is vertical with the end face of cuvette body 9, one end above circular hole with go out sample pipe guide hole 2 and communicate, the other end passes on left L shaped sulculus at circular hole and communicates with sample introduction pipe guide hole 6, sample introduction pipe 1 and go out the upper end that sample pipe 10 is vertically welded in cuvette body 9, sample introduction pipe 1 and sample introduction pipe guide hole 6 vertical communicating, go out sample pipe 10 and go out sample pipe guide hole 2 vertical communicating, go out sample pipe guide hole 2 in the both sides of cuvette body 9 and sample introduction pipe guide hole 6 places paste window eyeglass 3 and window eyeglass 7 respectively, window eyeglass 3 and window eyeglass 7 select for use quartz glass to make, and cuvette body 9 lower ends are provided with sensor slot 5, and the upper end is provided with spill point for measuring temperature 8.

Install 8 ° angle of inclination is arranged when Biochemical Analyzer flows cuvette, during measurement after sample enters cuvette by sample introduction pipe 1, be transferred to window eyeglass 7 places of this side through sample introduction pipe guide hole 6, enter sample chamber 4, sample chamber 4 circular holes from the other end transfer to drain pipe guide hole 2 through window eyeglass 3 again, discharge through drain pipe 10, the light beam of Biochemical Analyzer can penetrating window mouth mirror sheet 3 and window eyeglass 7.

Claims

1. the Biochemical Analyzer cuvette that flows, it is characterized in that, by sample introduction pipe (1), window eyeglass (3), window eyeglass (7), cuvette body (9), going out sample pipe (10) forms, described cuvette body (9) one sides are provided with out sample pipe guide hole (2), inside is provided with sample chamber (4), opposite side is provided with sample introduction pipe guide hole (6), sample chamber (4) is positioned at the symcenter of cuvette body (9), and it is vertical with the end face of cuvette body (9), one end above circular hole with go out sample pipe guide hole (2) and communicate, the other end passes on left L shaped sulculus at circular hole and communicates with sample introduction pipe guide hole (6), sample introduction pipe (1) with go out the vertical upper end that places cuvette body (9) of sample pipe (10), sample introduction pipe (1) and vertical the communicating of sample introduction pipe guide hole (6), go out sample pipe (10) and go out vertical the communicating of sample pipe guide hole (2), go out sample pipe guide hole (2) and sample introduction pipe guide hole (6) in the both sides of cuvette body (9) and locate to be provided with respectively window eyeglass (3) and window eyeglass (7), cuvette body (9) lower end is provided with sensor slot (5), and the upper end is provided with spill point for measuring temperature (8).

2. the Biochemical Analyzer according to claim 1 cuvette that flows is characterized in that described sample chamber (4) are elongated circular holes.

3. the Biochemical Analyzer according to claim 1 cuvette that flows is characterized in that the material of described window eyeglass (3) and window eyeglass (7) is a quartz glass.

4. the Biochemical Analyzer according to claim 1 cuvette that flows is characterized in that described cuvette body (9) manufactured materials all is the metal stainless steel of strong acid-base resistance.