CN211042855U - Closed storage slow-release micro-atmosphere collection device - Google Patents
Closed storage slow-release micro-atmosphere collection device Download PDFInfo
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- CN211042855U CN211042855U CN201921798626.6U CN201921798626U CN211042855U CN 211042855 U CN211042855 U CN 211042855U CN 201921798626 U CN201921798626 U CN 201921798626U CN 211042855 U CN211042855 U CN 211042855U
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- atmosphere
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- elastic sealing
- sealing element
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- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000005070 sampling Methods 0.000 claims abstract description 23
- 230000032683 aging Effects 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000008034 disappearance Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model provides a seal and store little atmosphere collection system of slowly-releasing, including the closed jar body that is used for holding the sample that awaits measuring, be provided with little atmosphere sample structure on the jar body, little atmosphere sample structure is including setting up the elastic sealing element on the jar body to and the sample thief that has hollow needle, and the hole that the elastic sealing element formed is stabbed to hollow needle automatic disappearance after getting the needle. The utility model can enrich the volatile micro-atmosphere in the tank body, and can quantitatively collect the micro-atmosphere after enriching the micro-atmosphere with a certain concentration, and has high collection efficiency and good stability; the utility model adopts a structure similar to a tank body, and is matched with a sampler with a hollow needle to realize micro-atmosphere sampling, thereby greatly reducing the micro-atmosphere sampling cost; the utility model discloses carry out little atmosphere sampling with the help of the hole that hollow needle stabbed elastic sealing element formed for the sampling operation is very convenient, and can directly continue to use after getting the needle, does not influence the continuous enrichment of little atmosphere.
Description
Technical Field
The utility model relates to an environmental test equipment, concretely relates to seal and store little atmosphere collection system of slowly-releasing.
Background
The aging phenomenon of material storage occurs occasionally, especially the aging degradation and release atmosphere of the polymer material may occur during the storage process, the collection of the atmosphere has very important significance for the aging monitoring of the polymer material which needs to be stored for a long time, and how to carry out reasonable atmosphere collection which meets the storage condition is a practical technical problem at present.
At present, the collection modes of the micro-atmospheres of material storage and slow release mainly comprise two types, namely directly collecting the volatilized micro-atmospheres by using a sample body stored for a certain period, and capturing the decomposed micro-atmospheres by using an instrument after the sample is rapidly heated and decomposed. The former needs the sample body to have enough space to retain the atmosphere with the concentration above the detection line, and the latter needs to prove the mechanism consistency of rapid heating decomposition and natural slow decomposition and stably capture the rapidly decomposed atmosphere, and because the requirements of the two aspects are not easy to be met in the actual operation process, the test of the slow release atmosphere of some materials aging cannot be carried out, or the difference from the actual storage is larger, and the concrete performance of the test result is poor parallelism and large fluctuation.
For the method of capturing the decomposed micro-atmosphere by using an instrument, a gas chromatograph is mainly used for directly collecting the micro-atmosphere decomposed by the sample to be detected, however, the gas chromatograph is expensive and has a complex structure, so that the micro-atmosphere collection cost is very high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a little atmosphere collection cost is low seals and stores little atmosphere collection system of slowly-releasing.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A closed storage slow-release micro-atmosphere collection device comprises a closed tank body for containing a sample to be detected, and a micro-atmosphere sampling structure is arranged on the tank body.
Furthermore, the micro-atmosphere sampling structure comprises an elastic sealing element arranged on the tank body and a sampler with a hollow needle, and a hole formed by the elastic sealing element when the hollow needle is punctured disappears automatically after the needle is taken.
Preferably, the resilient seal is provided as part of the can body.
Preferably, the elastic sealing member is formed as a part of the side wall of the can body or as a part of the top wall of the can body.
Preferably, the micro-atmosphere sampling structure comprises a first through hole, and the elastic sealing member is arranged in the first through hole and used for sealing the first through hole.
Furthermore, a plug is further arranged in the first through hole, a second through hole is axially formed in the plug, and the plug is located above the elastic sealing element. With the structure, the elastic sealing element can be prevented from losing the sealing effect through the plug, and the sampling accuracy can be ensured.
Preferably, the first through hole is a stepped hole, and the elastic sealing element is positioned on the step of the stepped hole. More preferably, the diameter of the fine hole part of the stepped hole is 2 to 3mm larger than the outer diameter of the hollow needle. The structure not only facilitates the installation of the elastic sealing member, but also can reduce the influence of the elastic sealing member on the result of the micro-atmosphere measurement as much as possible.
Preferably, the first through hole is a threaded hole, and the plug is a threaded plug.
Preferably, the closed can body is made of metallic silver, copper, gold, aluminum, molybdenum, tungsten, zinc, nickel, iron, platinum, tin, or an alloy thereof.
Preferably, the elastomeric seal is an age-resistant silicone rubber seal block.
By adopting the technical scheme, the volatile micro-atmosphere can be enriched in the tank body, and quantitative collection can be carried out after the micro-atmosphere is enriched to a certain concentration, so that the collection efficiency is higher and the stability is good; when the micro-atmosphere sampler is used, a sample to be detected is placed in a closed tank body, after a period of time, a hollow needle of the sampler penetrates through an elastic sealing element, and then the micro-atmosphere in the tank body is extracted for further analysis; the utility model adopts a structure similar to a tank body, and is matched with a sampler with a hollow needle to realize micro-atmosphere sampling, thereby greatly reducing the micro-atmosphere sampling cost; the utility model discloses carry out little atmosphere sampling with the help of the hole that hollow needle stabbed elastic sealing element formed for the sampling operation is very convenient, and can directly continue to use after getting the needle, does not influence the follow-up collection of little atmosphere.
Drawings
FIG. 1 is a schematic view of a closed storage slow release micro-atmosphere collection device in example 1;
FIG. 2 is an enlarged view of part A in example 1;
fig. 3 is a schematic view of the closed storage slow release micro-atmosphere collection device in example 2.
Detailed Description
The present invention is further described with reference to the following specific embodiments, which are not to be construed as limiting the scope of the present invention, and the modifications and variations of the present invention are not essential to those skilled in the art.
Example 1
A closed storage slow-release micro-atmosphere collection device is shown in figures 1 and 2 and comprises a closed tank body 7 used for containing a sample to be detected, a detachable cover body 2 is arranged at the top of the tank body 7, the cover body 2 is connected with the tank body 7 through a bolt 9, a sealing ring 8 is arranged at the connecting part of the cover body 2 and the tank body 7 to prevent micro-atmosphere from volatilizing, an inner cavity 1 of the tank body 7 is used for placing the sample to be detected, and a micro-atmosphere sampling structure is arranged on the tank body 7.
Preferably, the micro-atmosphere sampling structure comprises an elastic sealing member 3 arranged on the tank 7, and a sampler with a hollow needle (the sampler and the hollow needle are not shown in the figure), and the hole formed by the hollow needle penetrating into the elastic sealing member 3 automatically disappears after the needle is taken. The sampler can adopt a commercially available gas sampler and can also adopt a structure similar to an injector, when in use, a hollow needle is inserted into the elastic sealing element 3 and extends into the inner cavity 1 to suck gas to realize sampling, and a closed needle head or an air storage cylinder is used for preventing micro-atmosphere from escaping after the needle is taken out.
Preferably, the elastomeric seal 3 is part of the can body 7. The elastic sealing member 3 may be provided as a part of the side wall of the can 7 or as a part of the top wall of the can 7. In this embodiment, the elastic sealing member 3 is formed as a part of the top wall of the can 7.
In this embodiment, the micro-atmosphere sampling structure further includes a first through hole 6, the elastic sealing member 3 is disposed in the first through hole 6, and when the sampling is not performed, the elastic sealing member 3 is used for sealing the first through hole 6.
In this embodiment, a plug 4 is further disposed in the first through hole 6, a second through hole 5 is axially disposed on the plug 4, and the plug 4 is located above the elastic sealing element 3.
In this embodiment, the first through hole 6 is a stepped hole, and the elastic sealing member 3 is located on a step of the stepped hole.
In this embodiment, the diameter of the fine hole of the stepped hole is 2-3mm larger than the outer diameter of the hollow needle.
In this embodiment, the first through hole 6 is a threaded hole, and the plug 4 is a threaded plug.
In this embodiment, the elastic sealing member 3 is an aging-resistant silicone rubber sealing block.
The using method comprises the following steps: and placing a sample to be tested in the inner cavity 1 of the closed tank body 7, inserting the hollow needle of the sampler into the through hole II 5 and piercing the elastic sealing element 3 when the micro-atmosphere in the tank body 7 is enriched to a certain degree and needs to be sampled, and then extracting the micro-atmosphere in the tank body 7 for further analysis. Or, the plug 4 is firstly unscrewed, then the hollow needle of the sampler is punctured into the elastic sealing element 3, and then the micro-atmosphere in the tank body 7 is extracted for further analysis.
Example 2
A closed storage slow-release micro-atmosphere collection device comprises a closed tank body 7 used for containing a sample to be detected, a detachable cover body 2 is arranged at the top of the tank body 7, the cover body 2 is connected with the tank body 7 through a bolt 9, a sealing ring 8 is arranged at the connecting part of the cover body 2 and the tank body 7 to prevent micro-atmosphere from volatilizing, an inner cavity 1 of the tank body 7 is used for placing the sample to be detected, and a micro-atmosphere sampling structure is arranged on the tank body 7.
Preferably, the micro-atmosphere sampling structure comprises an elastic sealing member 3 arranged on the tank 7, and a sampler with a hollow needle (the sampler and the hollow needle are not shown in the figure), and the hole formed by the hollow needle penetrating into the elastic sealing member 3 automatically disappears after the needle is taken.
Preferably, the elastomeric seal 3 is part of the can body 7. The elastic sealing member 3 may be provided as a part of the side wall of the can 7 or as a part of the top wall of the can 7. In this embodiment, the elastic sealing member 3 is formed as a part of the top wall of the can 7.
In this embodiment, the micro-atmosphere sampling structure further includes a stepped hole, and the elastic sealing member 3 is tightly plugged above the step in the stepped hole. The elastic seal 3 is a rubber seal block.
The using method comprises the following steps: a sample to be detected is placed in an inner cavity 1 of a closed tank body 7, when the micro-atmosphere in the tank body 7 is enriched to a certain degree and needs to be sampled, a hollow needle of a sampler is directly punctured through an elastic sealing part 3, and then the micro-atmosphere in the tank body 7 is extracted for further analysis.
In any of the above configurations, the elastic sealing member 3 is ensured to function as a sealing gas, and the micro-atmosphere is prevented from overflowing from the edge of the elastic sealing member 3.
In specific products, the closed can body may be a metallic silver can, a copper can, a gold can, an aluminum can, a molybdenum can, a tungsten can, a zinc can, a nickel can, an iron can, a platinum can, a tin can, a silver alloy can, a copper alloy can, a gold alloy can, an aluminum alloy can, a molybdenum alloy can, a tungsten alloy can, a zinc alloy can, a nickel alloy can, an iron alloy can, a platinum alloy can, or a tin alloy can.
Claims (10)
1. A closed storage slow-release micro-atmosphere collection device is characterized in that: the device comprises a closed tank body (7) for containing a sample to be tested, and a micro-atmosphere sampling structure is arranged on the tank body (7).
2. The micro-atmosphere collection device of claim 1, wherein: the micro-atmosphere sampling structure comprises an elastic sealing element (3) arranged on a tank body (7) and a sampler with a hollow needle, wherein a hole formed by the elastic sealing element (3) which is punctured by the hollow needle automatically disappears after the needle is taken.
3. The micro-atmosphere collection device of claim 2, wherein: the elastic sealing element (3) is a part of the tank (7).
4. The micro-atmosphere collection device of claim 3, wherein: the elastic sealing element (3) can be a part of the side wall of the tank body (7) or a part of the top wall of the tank body (7).
5. The micro-atmosphere collection device according to any one of claims 1 to 4, wherein: the micro-atmosphere sampling structure further comprises a first through hole (6), and the elastic sealing element (3) is arranged in the first through hole (6).
6. The micro-atmosphere collection device of claim 5, wherein: a plug (4) is further arranged in the first through hole (6), a second through hole (5) is axially arranged on the plug (4), and the plug (4) is located above the elastic sealing element (3).
7. The micro-atmosphere collection device of claim 6, wherein: the first through hole (6) is a stepped hole, and the elastic sealing element (3) is positioned on a step of the stepped hole.
8. The micro-atmosphere collection device of claim 7, wherein: the diameter of the fine hole part of the stepped hole is 2-3mm larger than the outer diameter of the hollow needle.
9. The micro-atmosphere collection device of claim 8, wherein: the first through hole (6) is a threaded hole, and the plug (4) is a threaded plug.
10. The micro-atmosphere collection device of claim 9, wherein: the elastic sealing element (3) is an aging-resistant silicon rubber sealing block.
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CN201921798626.6U CN211042855U (en) | 2019-10-24 | 2019-10-24 | Closed storage slow-release micro-atmosphere collection device |
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CN201921798626.6U CN211042855U (en) | 2019-10-24 | 2019-10-24 | Closed storage slow-release micro-atmosphere collection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113624565A (en) * | 2021-08-11 | 2021-11-09 | 中国电子产品可靠性与环境试验研究所((工业和信息化部电子第五研究所)(中国赛宝实验室)) | Trace atmosphere sampling detection device and trace atmosphere sampling detection method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113624565A (en) * | 2021-08-11 | 2021-11-09 | 中国电子产品可靠性与环境试验研究所((工业和信息化部电子第五研究所)(中国赛宝实验室)) | Trace atmosphere sampling detection device and trace atmosphere sampling detection method |
CN113624565B (en) * | 2021-08-11 | 2024-05-28 | 中国电子产品可靠性与环境试验研究所((工业和信息化部电子第五研究所)(中国赛宝实验室)) | Trace atmosphere sampling detection device and trace atmosphere sampling detection method |
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Effective date of registration: 20231114 Address after: 400039 Chongqing Jiulongpo Yuzhou Road No. 33 Patentee after: Southwest Institute of technology and engineering of China Ordnance Equipment Group Address before: 400039 Chongqing Jiulongpo Shiqiaopu Yuzhou Road No. 33 Patentee before: NO 59 Research Institute OF CHINA ORDNACE INDUSTRY |