CN211785103U - Colorimetric disc combination of photometer for micro-test - Google Patents
Colorimetric disc combination of photometer for micro-test Download PDFInfo
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- CN211785103U CN211785103U CN202020340999.5U CN202020340999U CN211785103U CN 211785103 U CN211785103 U CN 211785103U CN 202020340999 U CN202020340999 U CN 202020340999U CN 211785103 U CN211785103 U CN 211785103U
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- flat sample
- disc
- colorimetric
- transparent
- transmission window
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- 238000012360 testing method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000009825 accumulation Methods 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 206010030113 Oedema Diseases 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Abstract
The utility model discloses a colorimetric disc combination of a photometer for carrying out micro-testing, which comprises a colorimetric disc rack and a colorimetric disc, wherein the colorimetric disc comprises a transparent disc support and a plurality of flat sample boxes which are arranged on the transparent disc support in a surrounding way, one end of each flat sample box is provided with a liquid accumulation cavity, the liquid accumulation cavity is connected with a liquid injection port, and the other end of each flat sample box is connected with an air exhaust port; a gap is formed between the flat sample box and the transparent tray to form a micro-volume containing cavity, and the volumes of the flat sample boxes are different; a clamping groove is formed in the colorimetric disc frame and used for installing the colorimetric disc, and a front transmission window and a rear transmission window which are symmetrical are arranged at the front and the rear positions corresponding to the flat sample boxes; the structure of the clamping groove is matched with the structure of the transparent disc tray, so that different flat sample boxes can be switched between the front transmission window and the rear transmission window; the flat sample box is consistent in shape, and the change of the volume is adjusted through the height of a gap between the flat sample box and the transparent disc tray. The utility model discloses usable current photometer detects trace sample to make the light path as wide as possible.
Description
Technical Field
The utility model relates to a medical science spectral inspection technical field, in particular to photometer is used for carrying out the colorimetric disc combination of trace test.
Background
The selective absorption wavelength of a substance to light, and the corresponding absorption coefficient, are the physical constants of that substance. When the absorption coefficient of a pure substance under a certain condition is known, the sample can be prepared into a solution under the same condition, and the absorption degree of the solution is measured, so that the content of the substance in the sample can be calculated by the formula. In the visible light region, except some substances which absorb light, many substances do not absorb the light, but a color reagent can be added under certain conditions or the visible light region is processed to develop color and then measured, so the method is also called colorimetric analysis. Therefore, it is a very important technical means in medical detection and assay, in the prior art, a cuvette is often used for loading a sample in a photometer, but the cuvette has a large volume, so that the cuvette cannot be used for measuring a small amount of sample, and although a micro photometer is available at present, the structure cannot measure a large volume of sample, so that extra cost is increased, the measured amount cannot be made as large as possible, and the measurement of a wider optical path is more accurate in principle, which is why the cuvette is often used for loading in a large amount.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a photometer is used for carrying out the colorimetric disk combination of trace test, can use the present spectral graduation appearance that adopts the cell to detect the trace sample, and makes its light path as wide as possible.
The technical scheme of the utility model is that:
a color comparison disc combination used for a photometer to carry out micro-testing comprises a color comparison disc rack and a color comparison disc, wherein the color comparison disc comprises a transparent disc tray and a plurality of flat sample boxes which are arranged on the transparent disc tray in a surrounding mode, one end of each flat sample box is provided with a liquid accumulation cavity, the liquid accumulation cavity is connected with a liquid injection port, and the other end of each flat sample box is connected with an air suction port; a gap is formed between the flat sample box and the transparent tray to form a micro-volume containing cavity, and the volumes of the flat sample boxes are different; a clamping groove is formed in the colorimetric disc frame and used for installing a colorimetric disc, and a front transmission window and a rear transmission window which are symmetrical are arranged at the front and the rear positions corresponding to the flat sample boxes; the structure of the clamping groove is matched with that of the transparent disc tray, so that different flat sample boxes can be switched between the front transmission window and the rear transmission window; the flat sample box is consistent in shape, and the change of the volume is adjusted through the height of a gap between the flat sample box and the transparent disc tray.
Furthermore, the transparent disc tray is in a regular polygon shape, the number of edges of the transparent disc tray is consistent with the number of the flat sample boxes, the flat sample boxes are perpendicular to the edges of the flat sample boxes, the bottom of the clamping groove is matched with the shape of the transparent disc tray and used for clamping the transparent disc tray so as to fix the specific flat sample boxes between the front transmission window and the rear transmission window.
Furthermore, the flat sample box is provided with a fan-shaped diffusion section on one side of the liquid accumulation cavity, and a collection section on one side of the pumping hole.
Further, the flat sample box has a maximum volume more than 100 times of the minimum volume, and the maximum thickness is not more than 2 mm.
Furthermore, the volume of the liquid accumulation cavity is equal to more than 1.1 times of the volume of the corresponding flat sample box.
The utility model discloses an useful part lies in:
the utility model discloses a color comparison disc combination can be used for current spectrophotometer to use, and its color comparison disc rack can set up the base and be used for the installation, adopts the syringe needle of syringe to inject to the hydrops intracavity with the sample from annotating the liquid mouth before the test, then negative pressure tube is connected to the extraction opening, slowly reduces atmospheric pressure, makes hydrops intracavity sample slowly permeate and be full of flat sample box under the negative pressure, later with this flat sample box adjustment before be located between transmission window and the back transmission window, put into the darkroom of spectrophotometer can. The method has the advantages that the existing spectrophotometer can be used for detecting trace samples, the light path of the spectrophotometer is widened as much as possible, and the precision of the spectrophotometer is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the cuvette structure in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the flat cartridge of FIG. 2;
FIG. 4 is a front view of the bracket of FIG. 1;
fig. 5 is a schematic top view of the stand of fig. 1.
In the figure: 1-a colorimetric plate frame, 11-a base, 12-a clamping groove, 13-a front transmission window, 14-a rear transmission window, 2-a colorimetric plate, 21-a transparent plate tray, 22-a flat sample box, 221-a fan-shaped diffusion section, 222-a collection section, 23-a liquid accumulation cavity, 24-a liquid injection port and 25-an air extraction port.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-5:
a photometer is used for carrying on the colorimetric disc 2 combination of the trace test, including the colorimetric disc shelf 1 and colorimetric disc 2, the said colorimetric disc 2 includes the transparent tray 21 and several flat cartridges 22 that several surround and arrange on it, one end of the said flat cartridge 22 has amass cavity 23, the said amass cavity 23 is connected with pouring the liquid port 24, another end is connected with air exhaust port 25; a gap is formed between the flat sample box 22 and the transparent tray 21 to form a micro-volume containing cavity, and the volumes of the flat sample boxes 22 are different (for convenience, volume scales can be marked on the edges of the flat sample box 22); a clamping groove 12 is arranged in the frame 1 of the colorimetric disc 2 and used for mounting the colorimetric disc 2, and a front transmission window 13 and a rear transmission window 14 which are symmetrical are arranged at the front and the rear corresponding to the flat sample box 22; the structure of the card slot 12 and the structure of the transparent disc tray 21 are matched, so that different flat sample boxes 22 can be switched between the front transmission window 13 and the rear transmission window 14; the flat cartridge 22 has a uniform outer shape, and the change in volume is adjusted by the height of the gap between the flat cartridge 22 and the transparent tray 21.
Specifically, the transparent tray 21 is a regular polygon, the number of sides of the regular polygon is the same as the number of the flat cartridges 22, the flat cartridges 22 are arranged perpendicular to the sides of the regular polygon, the bottom of the card slot 12 is matched with the shape of the transparent tray 21, and the regular polygon is used for clamping the transparent tray 21 to fix the position of a specific flat cartridge 22 between the front transmission window 13 and the rear transmission window 14, and certainly, the flat cartridge 22 can be adjusted by rotating in the card slot 12 in a shaft rotating manner.
Specifically, the flat sample box 22 is provided with a fan-shaped diffusion section 221 on one side of the dropsy cavity 23 to facilitate uniform diffusion of the sample, and is provided with a collection section 222 on one side of the air extraction opening 25 to facilitate extraction of air and the sample.
Specifically, the flat cartridge 22 has a maximum volume exceeding 100 times the minimum volume and a maximum thickness of not more than 2mm, because when the thickness is more than 2mm, the sample volume is already 10 ml, and a general cuvette can be used for the test.
Specifically, the volume of the liquid accumulation cavity 23 is equal to more than 1.1 times of the volume of the corresponding flat sample box 22, and a margin is reserved to ensure that the flat sample box 22 can be filled.
The working process is as follows: the utility model discloses a 2 combinations of color comparison disc can be used for current spectrophotometer to use, its color comparison disc 2 frame 1 can set up base 11 and be used for the installation, the syringe needle that adopts the sample syringe before the test is injected to long-pending sap cavity 23 in from annotating liquid mouth 24 (select the flat sample box 22 of suitable volume according to the volume of sample), then negative pressure tube is connected to extraction opening 25, slowly reduce atmospheric pressure, make long-pending sap cavity 23 in the sample slowly permeate and be full of flat sample box 22 under the negative pressure, later with this flat sample box 22 adjustment before being located between transmission window 13 and the back transmission window 14, put into the darkroom of spectrophotometer can. The method has the advantages that the existing spectrophotometer can be used for detecting trace samples, the light path of the spectrophotometer is widened as much as possible, and the precision of the spectrophotometer is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (5)
1. A photometer is used for carrying out the color comparison dish combination of micro-test which characterized in that: the colorimetric disc comprises a colorimetric disc frame and a colorimetric disc, wherein the colorimetric disc comprises a transparent disc tray and a plurality of flat sample boxes arranged on the transparent disc tray in a surrounding manner, one end of each flat sample box is provided with a liquid accumulation cavity, the liquid accumulation cavity is connected with a liquid injection port, and the other end of each flat sample box is connected with an air suction port; a gap is formed between the flat sample box and the transparent tray to form a micro-volume containing cavity, and the volumes of the flat sample boxes are different; a clamping groove is formed in the colorimetric disc frame and used for installing a colorimetric disc, and a front transmission window and a rear transmission window which are symmetrical are arranged at the front and the rear positions corresponding to the flat sample boxes; the structure of the clamping groove is matched with that of the transparent disc tray, so that different flat sample boxes can be switched between the front transmission window and the rear transmission window; the flat sample box is consistent in shape, and the change of the volume is adjusted through the height of a gap between the flat sample box and the transparent disc tray.
2. A colorimetric disc combination for use in conducting microtest in a photometer as claimed in claim 1, wherein: the transparent disc tray is in a regular polygon shape, the number of edges of the transparent disc tray is consistent with the number of the flat sample boxes, the flat sample boxes are perpendicular to the edges of the flat sample boxes, the bottom of the clamping groove is matched with the shape of the transparent disc tray and used for clamping the transparent disc tray to fix the specific flat sample box between the front transmission window and the rear transmission window.
3. A colorimetric disc combination for use in conducting microtest in a photometer as claimed in claim 1, wherein: the flat sample box is provided with a fan-shaped diffusion section on one side of the liquid accumulation cavity, and a collection section on one side of the pumping hole.
4. A colorimetric disc combination for use in conducting microtest in a photometer as claimed in claim 1, wherein: the flat sample box has a maximum volume more than 100 times of the minimum volume, and a maximum thickness of not more than 2 mm.
5. A colorimetric disc combination for use in conducting microtest according to the photometer of any one of claims 1 to 4, wherein: the volume of the liquid accumulation cavity is equal to more than 1.1 times of the volume of the corresponding flat sample box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340999.5U CN211785103U (en) | 2020-03-18 | 2020-03-18 | Colorimetric disc combination of photometer for micro-test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340999.5U CN211785103U (en) | 2020-03-18 | 2020-03-18 | Colorimetric disc combination of photometer for micro-test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211785103U true CN211785103U (en) | 2020-10-27 |
Family
ID=72930837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020340999.5U Expired - Fee Related CN211785103U (en) | 2020-03-18 | 2020-03-18 | Colorimetric disc combination of photometer for micro-test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211785103U (en) |
-
2020
- 2020-03-18 CN CN202020340999.5U patent/CN211785103U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |