CN214041130U - Automatic sample introduction device of spectrophotometer - Google Patents
Automatic sample introduction device of spectrophotometer Download PDFInfo
- Publication number
- CN214041130U CN214041130U CN202022763961.1U CN202022763961U CN214041130U CN 214041130 U CN214041130 U CN 214041130U CN 202022763961 U CN202022763961 U CN 202022763961U CN 214041130 U CN214041130 U CN 214041130U
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- cleaning
- spectrophotometer
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- fixed
- pump
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- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims description 15
- 238000007605 air drying Methods 0.000 claims description 11
- 239000012153 distilled water Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 abstract description 13
- 239000010808 liquid waste Substances 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses an automatic sample introduction device of a spectrophotometer, which comprises a frame, a sample component to be detected, a cleaning component, a detection component and a control panel; the sample assembly to be tested comprises a positioning disc and a volumetric flask; the cleaning assembly comprises a cleaning pump, a cleaning tank and cleaning liquid; the detection assembly comprises a peristaltic pump, a flowing cuvette, a liquid inserting pipe and a three-axis guide rail. The utility model discloses can once only accomplish the autoinjection and the liquid waste discharge of a plurality of samples automatically, reduced artifical spectrophotometer camera bellows lid that opens and shuts repeatedly, pour the solution in the volumetric flask into the cell, wipe the cell surface, fall the solution in the cell and wait troublesome step such as, especially to the corrosive liquid of waiting to measure, stopped artificial direct contact, avoided the pollution of cell surface, improved test efficiency.
Description
Technical Field
The utility model belongs to the technical field of measurement and analysis, concretely relates to spectrophotometer autoinjection device.
Background
A spectrophotometer, also called a spectrometer (spectrometer), is an experimental analyzer that decomposes light with complex components into spectral lines. The spectrophotometer adopts a light source which can generate a plurality of wavelengths, and the light source with specific wavelength is generated by a series of light splitting devices, after the light penetrates through a tested sample, partial light is absorbed, and the light absorption value of the sample is calculated, so that the light absorption value is converted into the concentration of the sample. The absorbance of the sample is proportional to the concentration of the sample. Spectrophotometry is the process of using the absorbance of light at a specific wavelength or within a certain wavelength range to perform qualitative or quantitative analysis on certain substances. The measurement range generally comprises a visible light region with a wavelength range of 380-780 nm and an ultraviolet light region with a wavelength range of 200-380 nm, and the used instruments are correspondingly divided into an ultraviolet spectrophotometer, a visible spectrophotometer (or colorimeter), an infrared spectrophotometer or an atomic absorption spectrophotometer.
The spectrophotometer is simple to use and stable and reliable in performance, so that the spectrophotometer is widely applied to the field of general chemical analysis and test. The use of a conventional spectrophotometer is also challenged due to the increased detection volume. When the instrument is used, the dark box cover of the sample chamber needs to be opened, the blank liquid and the determination liquid are respectively poured into the position 3/4 of the cuvette, the outer wall of the cuvette is wiped by using the mirror paper, the cuvette is placed into the sample chamber, the dark box cover is closed, and the test is started. Under the condition of numerous samples, the spectrophotometer is operated to be simple, repeated and monotonous, and especially when the solution to be detected is a sulfuric acid matrix, the lens wiping paper can remain on the outer wall of the cuvette, so that the accuracy of the result is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, convenient operation, stopped artificial direct contact, the security is high, has avoided the pollution of cell surface, has improved test efficiency's spectrophotometer autoinjection device.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a spectrophotometer autoinjection device, includes:
a machine base;
the sample assembly to be tested is fixed on the base; the sample assembly to be tested comprises a positioning disc fixed above the base and a volumetric flask fixed in the positioning disc, and the volumetric flask is used for containing a solution to be tested;
the cleaning component is fixed on the machine base: the cleaning assembly comprises a cleaning pump, a cleaning tank and cleaning liquid, one end of the cleaning pump is connected with the cleaning liquid, the other end of the cleaning pump is connected with a spray pipe provided with a nozzle, and the nozzle is fixed at the inner end of the cleaning tank;
a detection component; the detection assembly comprises a peristaltic pump, a flowing cuvette, a liquid inserting pipe and a three-axis guide rail, one end of the peristaltic pump is connected with the flowing cuvette, the other end of the peristaltic pump is connected with the liquid inserting pipe, and the three-axis guide rail can control the liquid inserting pipe to move up and down, left and right and back and forth above the volumetric flask and the cleaning tank;
a control panel fixed on the base; and the control panel is provided with switches for controlling the cleaning pump, the peristaltic pump and the three-axis guide rail.
Further, the liquid inserting pipe is a straight pipe.
The drying device further comprises a drying assembly fixed on the base, wherein the drying assembly comprises an air drying groove and an air blower, and an air outlet of the air blower is arranged at the inner end of the air drying groove; the liquid inserting pipe is positioned above the air drying groove.
Furthermore, the device also comprises a waste liquid tank fixed on the machine base, wherein the waste liquid tank is used for containing waste liquid discharged by the liquid inserting pipe.
Further, the flow cell is disposed within a spectrophotometer dark box.
The utility model discloses spectrophotometer autoinjection device has following beneficial effect:
the utility model discloses can once only accomplish the autoinjection and the liquid waste discharge of a plurality of samples automatically, reduced artifical spectrophotometer camera bellows lid that opens and shuts repeatedly, pour the solution in the volumetric flask into the cell, wipe the cell surface, fall the solution in the cell and wait troublesome step such as, especially to the corrosive liquid of waiting to measure, stopped artificial direct contact, avoided the pollution of cell surface, improved test efficiency. The utility model discloses simple structure, it is laborsaving high-efficient, the simple operation, it is safe in utilization.
Drawings
FIG. 1 is a schematic structural view of an automatic sample introduction device of a spectrophotometer according to the present invention;
in the figure: 1. a three-axis guide rail; 2. a volumetric flask; 3. positioning a plate; 4. a machine base; 5. a control panel; 6. a peristaltic pump; 7. a hose; 8. a flow cuvette; 9. a waste liquid tank; 10. cleaning the pump; 11. a blower; 12. an air drying groove; 13. a distilled water bottle; 14. an air outlet; 15. a cleaning tank; 16. a nozzle; 17. a straight pipe; 18. a hose.
Detailed Description
In order to explain the technical content and the structural characteristics of the automatic sample introduction device of the spectrophotometer of the present invention in detail, the following description is further made in conjunction with the embodiments and the accompanying drawings.
As shown in fig. 1, the utility model discloses spectrophotometer autoinjection device, include: the device comprises a base 4, a sample component to be detected fixed on the base 4, a cleaning component, a drying component, a detection component, a control panel 5 and a waste liquid tank 9, wherein the cleaning component, the drying component and the detection component are fixed on the base 4.
The sample assembly to be tested comprises a positioning disk 3 fixed above the base 4 and a volumetric flask 2 fixed in the positioning disk 3, wherein the volumetric flask 2 is used for containing a solution to be tested; the number of the volumetric flasks 2 may be several.
The cleaning assembly comprises a cleaning pump 10, a cleaning tank 15 and cleaning liquid, the cleaning liquid is distilled water, a distilled water bottle 13 is arranged on the base 4, one end of the cleaning pump 10 is connected with the distilled water bottle 13, the other end of the cleaning pump 10 is connected with a spray pipe provided with nozzles 16, the nozzles 16 are a plurality of, and the inner ends of the cleaning tank 15 are uniformly distributed.
Detection module includes peristaltic pump 6, the cell 8 that flows, liquid insertion pipe and triaxial guide rail 1, and 6 one end of peristaltic pump passes through hose 7 with the cell 8 that flows and is connected, and 6 other ends of peristaltic pump pass through hose 18 and liquid insertion pipe connection, and the liquid insertion pipe is straight tube 17, and the steerable straight tube 17 of triaxial guide rail 1 carries out up and down, left and right sides, seesaw in volumetric flask 2, washing tank 15, air-dry groove 12, waste liquid jar 9's top. The three-axis guide rail 1 is a conventional structure in the mechanical field, and a detailed description thereof will not be given.
And the control panel 5 is provided with switches for controlling the cleaning pump 10, the peristaltic pump 6 and the three-axis guide rail 1.
The drying component comprises an air drying groove 12 and an air blower 11, and an air outlet 14 of the air blower 11 is arranged at the inner end of the air drying groove 12; the number of the air outlets 14 can be several.
The waste liquid tank 9 is used for containing waste liquid discharged from the straight pipe 17.
The flow cuvette 8 is arranged in the dark box of the spectrophotometer.
The volumetric flasks 2 filled with the liquid to be measured are sequentially placed in a positioning disc 3, and the positioning disc 3 is fixed on a machine base 4; starting a starting key of the control panel 5, moving the straight pipe 17 to the upper part of the volumetric flask 2 to be detected by the three-shaft guide rail 1, controlling the straight pipe 17 to be inserted into the solution by the three-shaft guide rail 1, and moving the solution to be detected into the flowing cuvette 8 by the peristaltic pump 6 rotating forwards; after the spectrophotometer is tested, a liquid discharge key of the control panel 5 is started, the straight pipe 17 is moved to the upper part of the waste liquid tank 9 under the control of the three-shaft guide rail 1, the peristaltic pump 6 is reversed, and the solution in the flowing cuvette 8 and the residual solution in the hose 7 and the hose 18 are discharged into the waste liquid tank 9 together; then the straight pipe 17 is moved into a cleaning tank 15 by the triaxial guide rail 1, a cleaning pump 10 is started, and the outer surface of the straight pipe 17 is cleaned by distilled water through a nozzle 16; finally, the straight pipe 17 is moved into the air drying groove 12 through the triaxial guide rail 1, the blower 11 is started, and the residual moisture on the outer surface of the straight pipe 17 is dried;
when the second liquid to be tested is tested, the solution remained in the hose 7, the hose 18 and the flowing cuvette 8 needs to be cleaned for one time or more times according to the requirement: the straight pipe 17 is moved to the upper part of the second volumetric flask 2 to be detected by the triaxial guide rail 1, the straight pipe 17 is inserted into the solution, the peristaltic pump 6 rotates forwards, and the solution to be detected is moved into the flowing cuvette 8; the straight pipe 17 is moved to the upper part of the waste liquid tank 9 by the triaxial guide rail 1, the peristaltic pump 6 is reversed, and the solution in the flowing cuvette 8 and the residual solution in the hose 7 and the hose 18 are discharged into the waste liquid tank 9; if a second wash is required, the above actions are repeated, otherwise the solution in the flow cell 8 can be assayed using the spectrophotometer. After the test is finished, the straight pipe 17 is moved into the cleaning tank 15 by the three-axis guide rail 1, the cleaning pump 10 is started, and the outer surface of the straight pipe 17 is cleaned by distilled water through the nozzle 16; and finally, the straight pipe 17 is moved into the air drying groove 12 by the triaxial guide rail 1, the air blower 11 is started, the residual moisture on the outer surface of the straight pipe 17 is dried, and the next test cycle is started.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the present invention is not limited by the appended claims.
Claims (6)
1. The utility model provides a spectrophotometer autoinjection device which characterized in that includes:
a machine base;
the sample assembly to be tested is fixed on the base; the sample assembly to be tested comprises a positioning disc fixed above the base and a volumetric flask fixed in the positioning disc, and the volumetric flask is used for containing a solution to be tested;
the cleaning component is fixed on the machine base: the cleaning assembly comprises a cleaning pump, a cleaning tank and cleaning liquid, one end of the cleaning pump is connected with the cleaning liquid, the other end of the cleaning pump is connected with a spray pipe provided with a nozzle, and the nozzle is fixed at the inner end of the cleaning tank;
a detection component; the detection assembly comprises a peristaltic pump, a flowing cuvette, a liquid inserting pipe and a three-axis guide rail, one end of the peristaltic pump is connected with the flowing cuvette, the other end of the peristaltic pump is connected with the liquid inserting pipe, and the three-axis guide rail can control the liquid inserting pipe to move up and down, left and right and back and forth above the volumetric flask and the cleaning tank;
a control panel fixed on the base; and the control panel is provided with switches for controlling the cleaning pump, the peristaltic pump and the three-axis guide rail.
2. The spectrophotometer autosampler device of claim 1, wherein: the liquid inserting pipe is a straight pipe.
3. The spectrophotometer autosampler device of claim 1, wherein: the drying assembly comprises an air drying groove and an air blower, and an air outlet of the air blower is arranged at the inner end of the air drying groove; the liquid inserting pipe is positioned above the air drying groove.
4. The spectrophotometer autosampler device of claim 1, wherein: the device also comprises a waste liquid tank fixed on the machine base, wherein the waste liquid tank is used for containing waste liquid discharged by the liquid inserting pipe.
5. The spectrophotometer autosampler device of claim 1, wherein: the flow cuvette is arranged in a dark box of the spectrophotometer.
6. The spectrophotometer autosampler device of claim 1, wherein: the cleaning liquid is distilled water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763961.1U CN214041130U (en) | 2020-11-25 | 2020-11-25 | Automatic sample introduction device of spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763961.1U CN214041130U (en) | 2020-11-25 | 2020-11-25 | Automatic sample introduction device of spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214041130U true CN214041130U (en) | 2021-08-24 |
Family
ID=77362157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022763961.1U Active CN214041130U (en) | 2020-11-25 | 2020-11-25 | Automatic sample introduction device of spectrophotometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214041130U (en) |
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2020
- 2020-11-25 CN CN202022763961.1U patent/CN214041130U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231026 Address after: B2-08, Tsinghua Maker (Hainan) Incubation Base, No. 7 Keji Avenue, Xiuying District, Haikou City, Hainan Province, 570311 Patentee after: Aikerui (Hainan Special Economic Zone) Testing Technology Service Co.,Ltd. Address before: 570000 No. 116, haixiu Middle Road, Xiuying District, Haikou City, Hainan Province Patentee before: HAINAN SUYI DETECTION TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right |