Sample plate for a biochemical analyzer

1. A sample plate for a biochemical analyzer comprising:

a main shaft;

an inner plate;

an outer plate;

a refrigeration bin;

a tubing portion;

a cooling fluid inlet; and

a cooling fluid outlet;

wherein the main shaft is fixed on the biochemical analyzer;

wherein the inner plate is installed on the main shaft for rotating independent of the outer plate;

wherein the outer plate is installed on the main shaft for rotating independent of the inner plate;

wherein the inner plate comprises an inner plate body for placing a sample;

wherein the inner plate body comprises an inner ring part for placing the sample;

wherein the outer plate comprises an outer plate body for placing the sample;

wherein one end of the cooling fluid inlet and one end of the cooling fluid outlet are connected to the refrigeration bin, and the other end of the cooling fluid inlet and the other end of the cooling fluid outlet are connected to the tubing portion;

wherein the tubing portion is used for providing a tubing space for the refrigeration bin;

wherein the sample placed in the inner ring part is disposed in the refrigeration bin; and

wherein the main shaft is a hollow shaft, and a hollow part of the hollow shaft is the tubing portion.

2. The sample plate for the biochemical analyzer according to claim 1 ,

wherein the inner plate further comprises an inner plate bearing and an inner plate bearing sleeve; the inner plate bearing is connected to the main shaft; the inner plate bearing sleeve is connected to the inner plate bearing; the inner plate body is connected to the inner plate bearing sleeve; and

wherein the outer plate further comprises an outer plate bearing and an outer plate bearing sleeve; the outer plate bearing is connected to the inner plate bearing sleeve; the outer plate bearing sleeve is connected to the outer plate bearing; the outer plate body is connected to the outer plate bearing sleeve.

3. The sample plate for the biochemical analyzer according to claim 1 ,

wherein the inner plate further comprises an inner plate bearing and an inner plate bearing sleeve; the inner plate bearing is connected to the main shaft; the inner plate bearing sleeve is connected to the inner plate bearing; the inner plate body is connected to the inner plate bearing sleeve; and

wherein the outer plate further comprises an outer plate bearing and an outer plate bearing sleeve; the outer plate bearing is connected to the main shaft; the outer plate bearing sleeve is connected to the outer plate bearing; the outer plate body is connected to the outer plate bearing sleeve.

4. The sample plate for the biochemical analyzer according to claim 1 ,

wherein the main shaft comprises an inner plate fixing shaft and an outer plate fixing shaft;

wherein the inner plate further comprises an inner plate bearing and an inner plate bearing sleeve; the inner plate bearing is connected to the inner plate fixing shaft; the inner plate bearing sleeve is connected to the inner plate bearing; the inner plate body is connected to the inner plate bearing sleeve;

wherein the outer plate further comprises an outer plate bearing and an outer plate bearing sleeve; the outer plate bearing is connected to the outer plate fixing shaft; the outer plate bearing sleeve is connected to the outer plate bearing; the outer plate body is connected to the outer plate bearing sleeve; and

wherein the outer plate fixing shaft is a hollow shaft configured to at least partially accommodate the inner plate bearing, the inner plate bearing sleeve and the inner plate fixing shaft.

5. The sample plate for the biochemical analyzer according to claim 1 ,

wherein the refrigeration bin comprises a cooling fluid bin and a sample bin; the cooling fluid bin and the sample bin are independent from each other and separated by a baffle; the cooling fluid bin is used for placing cooling fluid, and the sample bin is used for placing the sample.

6. The sample plate for the biochemical analyzer according to claim 1 , further comprising:

a refrigeration bin cap disposed on the refrigeration bin, wherein the refrigeration bin cap is used for reducing heat transfer between the refrigeration bin and a surrounding space.

7. The sample plate for the biochemical analyzer according to claim 1 , wherein the inner plate further comprises an outer ring part for placing the sample, and the outer ring part is disposed outside the refrigeration bin.

8. The sample plate for the biochemical analyzer according to claim 1 , further comprising a ring of sample containers placed on the inner ring part.

9. The sample plate for the biochemical analyzer according to claim 1 , further comprising a ring of sample containers placed on the outer plate body.

10. The sample plate for the biochemical analyzer according to claim 1 , wherein the outer plate comprises a plurality of rings, wherein each ring is installed on the main shaft and configured to rotate independent of other rings.