CN213986510U - Condensation backflow cover and automatic analyzer - Google Patents
Condensation backflow cover and automatic analyzer Download PDFInfo
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- CN213986510U CN213986510U CN202022907981.1U CN202022907981U CN213986510U CN 213986510 U CN213986510 U CN 213986510U CN 202022907981 U CN202022907981 U CN 202022907981U CN 213986510 U CN213986510 U CN 213986510U
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Abstract
The utility model provides a condensation backward flow lid and automatic analysis appearance. The condensation backflow cover comprises a cover body, and a through hole for the flushing spray head to pass through is formed in the middle of the cover body. The condensation reflux cover covers the mouth of the digestion cup, when the digestion cup is heated, a through hole in the middle of the condensation reflux cover plays a pressure relief role, and an evaporated sample meets the condensation reflux cover and then is condensed and refluxed into the digestion cup; after digestion, the flushing nozzle penetrates through the through hole to enter the lower part of the condensation reflux cover, samples remained on the lower surface of the condensation reflux cover and on the inner wall of the digestion cup are flushed and refluxed into the digestion cup, digestion substances can be fully and effectively collected, the accuracy of an analysis result is improved, and the automation of digestion reflux operation in the organic matter experimental process is conveniently realized.
Description
Technical Field
The utility model relates to an environmental sample analysis technical field specifically is a condensation backward flow lid and automatic analysis appearance.
Background
When inorganic elements in an environmental sample (a water sample, a soil sample, solid waste, particles trapped during atmospheric sampling, and the like) are measured, the environmental sample needs to be digested. The digestion treatment has the functions of destroying organic matters, dissolving particulate matters, and oxidizing elements to be detected in various valence states into single high valence state or converting the elements into inorganic compounds easy to decompose.
In the organic matter experiment process, a sample and digestion liquid are added into a digestion cup, then the digestion cup is placed on the glass funnel, and then heating digestion treatment is carried out. Wherein glass funnel plays the purpose with the sample condensation backward flow of evaporation, accomplishes the back at the heating, owing to have the sample composition to remain on glass funnel, need the tester to wash glass funnel manually and be used for the composition analysis with the washing liquid, whole test operation is comparatively loaded down with trivial details, the experimental efficiency is low. The glass funnel has a large opening and occupies a large space, so that the glass funnel cannot be applied to automatic analytical instrument equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a condensation backflow cover and an automatic analyzer.
In order to achieve the above object, the technical solution of the present invention is: a condensation backflow cover is used for covering the opening part of a digestion cup and comprises a cover body, wherein a through hole for a flushing spray head to pass through is formed in the middle of the cover body.
By adopting the technical scheme of the utility model, when heating and digesting, the through hole in the middle of the condensation reflux cover plays a pressure relief role, and the evaporated sample meets the condensation reflux cover and then is condensed and refluxed into the digestion cup; after digestion, the flushing nozzle penetrates through the through hole to enter the lower part of the condensation reflux cover, samples remained on the lower surface of the condensation reflux cover and on the inner wall of the digestion cup are flushed and refluxed into the digestion cup, digestion substances can be fully and effectively collected, the accuracy of an analysis result is improved, and the automation of digestion reflux operation in the organic matter experimental process is conveniently realized.
Further, the lower surface of the cover body is a plane.
By adopting the preferable scheme, the structure is simple, and the production cost is low.
Further, the lower surface of the cover body is provided with an inner conical surface with the inner diameter gradually increasing from the lower edge of the through hole to the lower part.
Further, the lower surface of the cover body is provided with a concave spherical surface, and the concave spherical surface is gradually enlarged from the lower edge of the through hole to the lower opening.
By adopting the preferable scheme, the flushing water flow direction of the flushing nozzle can be met, and the flushing liquid can smoothly flow back into the digestion cup.
Further, the cover body is made of teflon, or at least the lower surface of the cover body is coated with a teflon material layer.
By adopting the preferable scheme, the Teflon is also called Polytetrafluoroethylene (PTFE), is acid-resistant and alkali-resistant, has hydrophobicity and high temperature resistance, and is easy to clean.
Further, the outer contour of the cover body comprises a first outer diameter part at the upper part and a second outer diameter part at the lower part, the diameter of the first outer diameter part is slightly larger than the inner diameter of the upper opening of the digestion cup, and the diameter of the second outer diameter part is slightly smaller than the inner diameter of the upper opening of the digestion cup.
Adopt above-mentioned preferred scheme, the back is placed to clear up on the cup to the condensation backward flow lid, and the second outside footpath matches with clearing up the cup internal diameter, improves the position precision of condensation backward flow lid on clearing up the cup, and after the heating, the second outside footpath thermal expansion can closely cooperate with clearing up the cup internal diameter, and the lower surface of first outside footpath supports and leans on and clears up the cup upper lip edge, plays spacing and sealed effect.
Further, on a projection plane parallel to the upper surface of the cover body, the orthographic projection area of the through hole is less than or equal to 10% of the orthographic projection area of the cover body.
Adopt above-mentioned preferred scheme, reasonable through-hole area ratio can ensure the unimpeded entering of washing terminals, again can the at utmost reduce the evaporation leakage quantity of digesting the material.
An automated analyzer, comprising:
the digestion cup is used for containing a sample to be digested and a digestion solution;
when the condensation reflux cover is used for digestion treatment, the condensation reflux cover is arranged at the opening part of the digestion cup;
the flushing device comprises a flushing nozzle, a flushing liquid supply mechanism and a flushing nozzle transfer mechanism, wherein the flushing nozzle transfer mechanism drives the flushing nozzle to penetrate through the through hole of the condensation backflow cover, and the flushing liquid supply mechanism is used for supplying flushing liquid to the flushing nozzle.
By adopting the technical scheme, the automatic analyzer can automatically complete the whole process of condensation and backflow in the digestion process, the experimental efficiency is improved, and the accuracy of an analysis result is ensured.
Furthermore, a plurality of liquid spraying holes which are distributed along the circumference and extend upwards from the inner diameter side to the outer diameter side in an inclined mode are formed in the washing spray head.
Adopt above-mentioned preferred scheme, enable the rivers and cater to the lower surface of waiting to wash of condensation backward flow lid better, improve clean effect.
Further, the device also comprises a condensation backflow cover placing area and a mechanical hand used for transferring the condensation backflow cover.
Adopt above-mentioned preferred scheme, washing unit can high-efficient clean condensation backward flow lid, and condensation backward flow lid has reduced user use cost as sharing part, also further improves the degree of automation of analysis appearance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the bottom surface of the condensing reflux cover of the present invention being a plane;
FIG. 2 is a schematic structural view of the bottom surface of the condensing and refluxing cover of the present invention having an inner conical surface;
FIG. 3 is a schematic structural view of the bottom surface of the condensing and refluxing cover of the present invention having a concave spherical surface;
fig. 4 is a schematic view of the partial structure of the automated analyzer of the present invention.
Names of corresponding parts represented by numerals and letters in the drawings:
10-condensation reflux cover; 101-a cover body; 102-a through hole; 103-plane; 104-an internal conical surface; 105-concave spherical surface; 106-first outer diameter; 107-a second outer diameter portion; 20-digesting the cup; 30-washing spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figures 1, 2 and 3, the condensation reflux cover is used for covering the mouth part of the digestion cup and comprises a cover body 101, wherein the cover body 101 is provided with a through hole 102 for a flushing spray head to pass through.
The beneficial effect of adopting above-mentioned technical scheme is: when the digestion is carried out by heating, the through hole in the middle of the condensation reflux cover plays a pressure relief role, and the evaporated sample meets the condensation reflux cover and then is condensed and refluxed into the digestion cup; after digestion, the flushing nozzle penetrates through the through hole to enter the lower part of the condensation reflux cover, samples remained on the lower surface of the condensation reflux cover and on the inner wall of the digestion cup are flushed and refluxed into the digestion cup, digestion substances can be fully and effectively collected, the accuracy of an analysis result is improved, and the automation of digestion reflux operation in the organic matter experimental process is conveniently realized.
As shown in fig. 1, in another embodiment of the present invention, the lower surface of the cover 101 is a flat surface 103. The beneficial effect of adopting above-mentioned technical scheme is: simple structure and low production cost.
As shown in fig. 2, in other embodiments of the present invention, the lower surface of the cover 101 has an inner conical surface 104 whose inner diameter gradually increases from the lower edge of the through hole 102 to the lower side.
As shown in fig. 3, in other embodiments of the present invention, the lower surface of the cover 101 has a concave spherical surface 105, and the concave spherical surface 105 is gradually enlarged from the lower edge of the through hole 102 to the lower opening. The beneficial effect of adopting above-mentioned technical scheme is: can cater to the direction of the flushing water flow of the flushing nozzle, and the flushing liquid can smoothly flow back into the digestion cup.
In other embodiments of the present invention, the cover 101 is made of teflon, or at least the lower surface of the cover 101 is coated with a teflon layer. The beneficial effect of adopting above-mentioned technical scheme is: the Teflon material is acid-resistant and alkali-resistant, has hydrophobicity and high temperature resistance, and is easy to clean residual substances on the lower surface of the cover body.
In other embodiments of the present invention, as shown in fig. 1, the outer contour of the cover 101 comprises a first outer diameter portion 106 at the upper part and a second outer diameter portion 107 at the lower part, the diameter of the first outer diameter portion 106 is slightly larger than the inner diameter of the upper opening of the digestion cup, and the diameter of the second outer diameter portion 107 is slightly smaller than the inner diameter of the upper opening of the digestion cup. The beneficial effect of adopting above-mentioned technical scheme is: after the condensation backflow cover is placed on the digestion cup, the second outer diameter part is matched with the inner diameter of the digestion cup, the position precision of the condensation backflow cover on the digestion cup is improved, after heating, the second outer diameter part is heated to expand and can be tightly matched with the inner diameter of the digestion cup, and the lower surface of the first outer diameter part is supported against the edge of the upper opening of the digestion cup to play a limiting and sealing role.
In other embodiments of the present invention, the through-hole 102 has an orthographic projection area of less than or equal to 10% of the orthographic projection area of the cover 101 on a projection plane parallel to the upper surface of the cover. The beneficial effect of adopting above-mentioned technical scheme is: reasonable area ratio of the through holes can ensure unimpeded entering of the flushing nozzle and reduce evaporation leakage amount of digestion substances to the maximum extent.
As shown in fig. 4, an automated analyzer includes:
a digestion cup 20 for containing a sample to be digested and a digestion solution;
a condensation reflux cover 10, wherein during digestion treatment, the condensation reflux cover 10 is covered on the opening part of the digestion cup 20;
the flushing device comprises a flushing nozzle 30, a flushing liquid supply mechanism (not shown in the figure) and a flushing nozzle transfer mechanism (not shown in the figure), wherein the flushing nozzle transfer mechanism drives the flushing nozzle 30 to penetrate through the through hole 102 of the condensation backflow cover 10 during flushing, and the flushing liquid supply mechanism is used for supplying flushing liquid to the flushing nozzle 30. The specific structures of the flushing liquid supply mechanism and the flushing spray head transfer mechanism are not limited and can be selected from the prior art; if the flushing liquid supply mechanism can be used for installing a peristaltic pump and a control valve on a communication pipeline between the flushing liquid tank and the flushing nozzle so as to control the on-off and the spraying flow of the flushing liquid; for example, the transfer mechanism of the rinse nozzle may be a transfer mechanism having X, Y, Z-axis direction transfer capability, or may be a multi-axis robot.
The beneficial effect of adopting above-mentioned technical scheme is: the automatic analyzer can automatically complete the whole process of condensation and reflux in the digestion process, improve the experimental efficiency and ensure the accuracy of an analysis result.
In other embodiments of the present invention, the washing nozzle 30 is provided with a plurality of liquid spraying holes which are distributed along the circumference and extend obliquely upward from the inner diameter side to the outer diameter side. The beneficial effect of adopting above-mentioned technical scheme is: the water flow can better meet the lower surface to be washed of the condensation backflow cover, and the cleaning effect is improved.
The utility model discloses an in other embodiments, still include the condensation backward flow lid and place the district and be used for moving and carry the mechanical tongs of condensation backward flow lid, mechanical tongs earlier with the condensation backward flow lid place the district from the condensation backward flow lid place the district grab and place treat clear up the cup on, treat that the condensation backward flow lid uses and is washed the completion back, rethread mechanical tongs will condense backward flow lid and move back the condensation backward flow lid and place the district. The beneficial effect of adopting above-mentioned technical scheme is: washing unit can high-efficient clean condensation backward flow lid, and condensation backward flow lid has reduced user's use cost as sharing part, also further improves the degree of automation of analysis appearance.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. A condensation reflux cover is used for covering the opening part of a digestion cup and is characterized by comprising a cover body, a through hole for a flushing spray head to pass through is arranged in the middle of the cover body,
the lower surface of the cover body is provided with an inner conical surface with the inner diameter gradually increased from the lower edge of the through hole to the lower part;
or the lower surface of the cover body is provided with a concave spherical surface, and the concave spherical surface is gradually enlarged from the lower edge of the through hole to the downward opening.
2. The condensate return cover of claim 1, wherein the cover body is made of teflon, or a lower surface of the cover body is coated with a teflon layer.
3. A condensate return cap according to claim 1, wherein the outer contour of the cap body comprises a first outer diameter portion at an upper portion having a diameter slightly larger than an inner diameter of an upper opening of the digestion cup and a second outer diameter portion at a lower portion having a diameter slightly smaller than the inner diameter of the upper opening of the digestion cup.
4. A condensate return cover according to claim 1, wherein an orthographic area of the through-hole is less than or equal to 10% of an orthographic area of the cover body on a projection plane parallel to an upper surface of the cover body.
5. An automated analyzer, comprising:
the digestion cup is used for containing a sample to be digested and a digestion solution;
the condensate return cap as claimed in any one of claims 1 to 4, which is provided at an opening of the digestion cup at the time of the digestion process;
the flushing device comprises a flushing nozzle, a flushing liquid supply mechanism and a flushing nozzle transfer mechanism, wherein the flushing nozzle transfer mechanism drives the flushing nozzle to penetrate through the through hole of the condensation backflow cover, and the flushing liquid supply mechanism is used for supplying flushing liquid to the flushing nozzle.
6. The automated analyzer of claim 5, wherein the wash nozzle includes a plurality of circumferentially spaced spray holes extending obliquely upward from the inner diameter side to the outer diameter side.
7. The automated analyzer of claim 6, further comprising a condensate return cap placement area, and a mechanical gripper for transferring the condensate return cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022907981.1U CN213986510U (en) | 2020-12-06 | 2020-12-06 | Condensation backflow cover and automatic analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022907981.1U CN213986510U (en) | 2020-12-06 | 2020-12-06 | Condensation backflow cover and automatic analyzer |
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| CN213986510U true CN213986510U (en) | 2021-08-17 |
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| CN202022907981.1U Active CN213986510U (en) | 2020-12-06 | 2020-12-06 | Condensation backflow cover and automatic analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414323A (en) * | 2021-12-13 | 2022-04-29 | 通标标准技术服务（天津）有限公司 | Pretreatment device for detection of nitrosamine in food |
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2020
- 2020-12-06 CN CN202022907981.1U patent/CN213986510U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414323A (en) * | 2021-12-13 | 2022-04-29 | 通标标准技术服务（天津）有限公司 | Pretreatment device for detection of nitrosamine in food |
| CN114414323B (en) * | 2021-12-13 | 2023-08-18 | 通标标准技术服务（天津）有限公司 | Pretreatment device for detecting nitrosamine in food |
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