CN203929793U - The automatic sample handling system of headspace analysis checkout equipment - Google Patents
The automatic sample handling system of headspace analysis checkout equipment Download PDFInfo
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- CN203929793U CN203929793U CN201420318758.5U CN201420318758U CN203929793U CN 203929793 U CN203929793 U CN 203929793U CN 201420318758 U CN201420318758 U CN 201420318758U CN 203929793 U CN203929793 U CN 203929793U
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- Prior art keywords
- needle
- head space
- space bottle
- air
- air inlet
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- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 25
- 238000005070 sampling Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 15
- 238000002347 injection Methods 0.000 abstract description 14
- 239000007924 injection Substances 0.000 abstract description 14
- 239000012159 carrier gas Substances 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 8
- 239000012071 phase Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of automatic sample handling system of headspace analysis checkout equipment, by using air inlet needle to enter head space bottle through the dottle pin that seals use on head space bottle, send into carrier gas, and use air-out needle to enter head space bottle through described dottle pin, with carrier gas, send testing sample volatile matter to detect the mode of analyzing in the detection mouth of headspace analysis checkout equipment, realized the auto injection of testing sample in headspace analysis checkout equipment, overcome in prior art the sample loss drawback producing because of the temperature difference inside and outside closed container and pressure differential, guaranteed the accuracy that headspace analysis detects.Operating process is simple, and installation and maintenance are convenient.
Description
Technical field
The utility model relates to material headspace analysis checkout equipment technical field, relates in particular to a kind of auto injection method of headspace analysis checkout equipment and realizes system.
Background technology
Headspace analysis, refers to by the gas componant of sample substrate top and measures the content of these gas compositions in raw sample.Its main theoretical basis of the reform of Chinese economic structure is:, between gas phase and condensed phase, exist partition equilibrium under certain condition, so, by the composition of gas phase, can reflect the composition of condensed phase.Condensed phase comprises liquid phase and solid phase.
For carrying out headspace analysis, the gas of sample substrate top need to be sent in headspace analysis checkout equipment and carry out analyzing and testing, this process of sending into is called sample introduction.The headspace sampling mode of present analysis checkout equipment comprises two kinds of manual sample introduction mode of operation and airtight pin input modes.
Manual sample introduction mode of operation is: first sample is placed in closed container and is heated, make it to reach thermal equilibrium state, extract a certain amount of sample out afterwards with syringe, and this sample is taken rapidly and on analyzing and testing equipment, carried out sample detection analysis.But there is following technological deficiency in this craft sample introduction mode of operation:
1. the volatilization that the temperature difference inside and outside closed container and pressure differential can cause sample is lost, and makes analyzing and testing result and real current situation have larger error;
2. owing to being manual operations, the error that exists human factor to cause.
Airtight pin input mode is: first sample is placed in closed container and is heated, make it to reach thermal equilibrium state, extract a certain amount of sample out afterwards by heating airtight pin, and sample is moved to and on analyzing and testing equipment, carries out sample detection analysis.But there is following technological deficiency in this airtight pin input mode:
1. sample, in be sucked into the process of analyzing and testing equipment injection port sample introduction in closed container, because sample exists pressure differential in container with under normal pressure, may cause the loss of sample like this;
2. because each sampling amount is limited, therefore can not realize large flux sample introduction.
Utility model content
For this reason, technical problem to be solved in the utility model is: provide a kind of automatic sample handling system of headspace analysis checkout equipment, to overcome the sample loss drawback because of temperature difference and pressure differential generation, for guaranteeing the accuracy of analyzing and testing result.
The utility model provides a kind of auto injection method of headspace analysis checkout equipment, and the method comprises:
The testing sample of preset value is put into head space bottle and seal, and be heated to preset temperature and time;
Automatic sample handling system is received after the detection instruction that headspace analysis checkout equipment assigns, head space bottle, air-out needle and air inlet needle are under the effect of gearing, there is relative motion, first air-out needle enters head space bottle through the sealing on head space bottle with dottle pin, then air inlet needle also enters head space bottle through described dottle pin, or air-out needle and air inlet needle enter head space bottle through the sealing on head space bottle with dottle pin simultaneously simultaneously, the motion of stopping after air-out needle and air inlet needle arrival assigned address;
Air inlet needle continues the carrier gas of injecting uniform temperature and pressure in head space bottle, and testing sample volatile matter is taken out of with carrier gas by air-out needle, and enters in the detection mouth of headspace analysis checkout equipment and detect analysis.
Wherein, above-mentioned sample injection method also comprises:
The testing sample of preset value is put into after the sealing of head space bottle, head space bottle is put in sea water bath or incubator, and be heated to preset temperature and time, afterwards head space bottle is put in automatic headspace sampling system.
Above-mentioned sample injection method also comprises:
The testing sample of preset value is put into after the sealing of head space bottle, head space bottle is put in the temperature-changeable heated constant temperature cylinder in automatic headspace sampling system, and be heated to preset temperature and time.
The utility model also provides a kind of automatic sample handling system of headspace analysis checkout equipment, this sampling system comprises: air-out needle, air inlet needle, and can make head space bottle, the gearing of air-out needle and air inlet needle generation relative motion, when automatic sample handling system is received after the detection instruction that headspace analysis checkout equipment assigns, first air-out needle enters head space bottle through the sealing on head space bottle with dottle pin, then air inlet needle also enters head space bottle through described dottle pin, or air-out needle and air inlet needle enter head space bottle through the sealing on head space bottle with dottle pin simultaneously simultaneously, air-out needle and air inlet needle arrive the motion of stopping after assigned address.
Wherein, above-mentioned sampling system also comprises: for the temperature-changeable heated constant temperature cylinder of placing head space bottle and can heating and be incubated to head space bottle.
Above-mentioned sampling system also comprises: for the fixing holder of air-out needle and air inlet needle.
Described gearing comprises: the combination of guide rail and motor, the combination of guide rail and cylinder or hydraulic cylinder, the combination of gear or tooth bar and motor, the combination of gear or tooth bar and cylinder, the combination of gear or tooth bar and hydraulic cylinder.
Described air-out needle and air inlet needle comprise syringe and removable syringe needle.
Wherein, at described syringe needle and syringe junction, be also provided with sealing adaptor, removable syringe needle is locked at sealing adaptor place and syringe by crimp.
The automatic sample handling system of a kind of headspace analysis checkout equipment described in the utility model, by using air inlet needle to enter head space bottle through the dottle pin that seals use on head space bottle, send into carrier gas, and use air-out needle to enter head space bottle through described dottle pin, with carrier gas, send testing sample volatile matter to detect the mode of analyzing in the detection mouth of headspace analysis checkout equipment, realized the auto injection of testing sample in headspace analysis checkout equipment, overcome in prior art the sample loss drawback producing because of the temperature difference inside and outside closed container and pressure differential, guaranteed the accuracy that headspace analysis detects.Operating process is simple, and installation and maintenance are convenient.
Accompanying drawing explanation
Fig. 1 is auto injection method structural representation described in the utility model embodiment;
Fig. 2 is the structural representation under headspace analysis checkout equipment automatic sample handling system keeping warm mode;
Fig. 3 is the structural representation under headspace analysis checkout equipment automatic sample handling system detected state;
Fig. 4 is that the part-structure schematic diagram under syringe needle state is changed in the insulation of headspace analysis checkout equipment automatic sample handling system.
Embodiment
Below, by reference to the accompanying drawings the utility model is described in detail.
As shown in Figure 1, the present embodiment provides a kind of auto injection method of headspace analysis checkout equipment, and the method comprises:
Step 1, puts into head space bottle by the testing sample of preset value and seals, and is heated to preset temperature and time, that is, make the gas in head space bottle reach thermal equilibrium;
Here, the testing sample of preset value is put into after the sealing of head space bottle, head space bottle is put in sea water bath or incubator, and be heated to preset temperature and time, afterwards head space bottle is put in automatic headspace sampling system.
Also can, the testing sample of preset value is put into after head space bottle sealing, head space bottle is put in the temperature-changeable heated constant temperature cylinder in automatic headspace sampling system, and is heated to preset temperature and time.
Step 2, when automatic sample handling system is received after the detection instruction that headspace analysis checkout equipment assigns, head space bottle, air-out needle and air inlet needle are under the effect of gearing, there is relative motion, first air-out needle enters head space bottle through the sealing on head space bottle with dottle pin, then air inlet needle also enters head space bottle through described dottle pin, or air-out needle and air inlet needle enter head space bottle through the sealing on head space bottle with dottle pin simultaneously simultaneously, and air-out needle and air inlet needle arrive the motion of stopping after assigned address;
Step 3, air inlet needle continues the carrier gas of injecting uniform temperature and pressure in head space bottle, and testing sample volatile matter is taken out of with carrier gas by air-out needle, and enters in the detection mouth of headspace analysis checkout equipment and detect analysis.
As shown in Figures 2 to 4, the present embodiment also provides a kind of automatic sample handling system of headspace analysis checkout equipment of the auto injection method of using above-mentioned headspace analysis checkout equipment, this sampling system comprises: air-out needle 11, air inlet needle 12, and can make head space bottle 20, there is the gearing 13 of relative motion in air-out needle 11 and air inlet needle 12, when automatic sample handling system is received after the detection instruction that analyzing and testing equipment 30 assigns, first air-out needle 11 enters head space bottle 20 through the sealing on head space bottle 30 with dottle pin 21, then air inlet needle 12 also enters head space bottle 20 through described dottle pin 21, or air-out needle 11 and air inlet needle 12 enter head space bottle 20 through the sealing on head space bottle 20 with dottle pin 21 simultaneously simultaneously, air-out needle 11 and air inlet needle 12 arrives the motion of stopping after assigned addresses.In Fig. 2 22 is the seal bottle cap of head space bottle 20, and bottle cap below is provided with dottle pin 21 for sealing.
Further, this sampling system also comprises: for the temperature-changeable heated constant temperature cylinder 14 of placing head space bottle 20 and can heating and be incubated to head space bottle 20.
When the testing sample 50 of preset value is put into after 20 sealings of head space bottle, head space bottle 20 can be put in sea water bath or incubator, and being heated to preset temperature and time, the gas in head space bottle 20 reaches after thermal equilibrium, and head space bottle 20 is put in automatic headspace sampling system.Also can, head space bottle 20 is put in the temperature-changeable heated constant temperature cylinder 14 in automatic headspace sampling system, and be heated to preset temperature and time, make the gas in head space bottle 20 reach thermal equilibrium, when automatic sample handling system is received after the detection instruction that headspace analysis checkout equipment 30 assigns, head space bottle 20, air-out needle 11 and air inlet needle 12 are under the effect of gearing 13, there is relative motion, first air-out needle 11 enters head space bottle 20 through the sealing on head space bottle 20 with dottle pin 21, then air inlet needle 12 also enters head space bottle 20 through described dottle pin 21, or air-out needle 11 and air inlet needle 12 enter head space bottle 20 through the sealing on head space bottle 20 with dottle pin 21 simultaneously simultaneously, air-out needle 11 and air inlet needle 12 arrives the motion of stopping after assigned addresses, air inlet needle 12 continues to the carrier gas of the interior injection uniform temperature of head space bottle 20 and pressure afterwards, 40 of testing sample volatile matters are taken out of with carrier gas by air-out needle 11, and enter in the detection mouth (in figure do not indicate) of headspace analysis checkout equipment 30 and detect analysis.
Above-mentioned sample injection method and realize system, realized the auto injection of testing sample in headspace analysis checkout equipment, overcome in prior art the sample loss drawback producing because of the temperature difference inside and outside closed container and pressure differential, guaranteed the accuracy that headspace analysis detects.
For guaranteeing the firm of air-out needle 11 and air inlet needle 12, above-mentioned sampling system also comprises: for the fixing holder 15 of air-out needle and air inlet needle.
Above-mentioned gearing 13 comprises: the combination of guide rail and motor, the combination of guide rail and cylinder or hydraulic cylinder, the combination of gear or tooth bar and motor, the combination of gear or tooth bar and cylinder, the combination of gear or tooth bar and hydraulic cylinder, that is, can be according to the actual requirements, gearing 13 can be the combination of above-mentioned any one.
For the ease of installation and maintenance, the syringe needle of above-mentioned air-out needle 11 and air inlet needle 12 can be changed.That is, air-out needle 11 and air inlet needle 12 comprise syringe 113 and removable syringe needle 115.Syringe needle 115 and syringe 113 junctions are provided with sealing adaptor 117, and removable syringe needle 115 is locked at sealing adaptor place and syringe 113 by crimp 119.While changing syringe needle, crimp 119 is turned on, sealing adaptor 117 can be changed together with syringe needle 115, after more finishing changing, again crimp 119 is tightened.
In sum, a kind of automatic sample handling system of headspace analysis checkout equipment described in the present embodiment, by using air inlet needle to enter head space bottle through the dottle pin that seals use on head space bottle, send into carrier gas, and use air-out needle to enter head space bottle through described dottle pin, with carrier gas, send testing sample volatile matter to detect the mode of analyzing in the detection mouth of headspace analysis checkout equipment, realized the auto injection of testing sample in headspace analysis checkout equipment, overcome in prior art the sample loss drawback producing because of the temperature difference inside and outside closed container and pressure differential, guaranteed the accuracy that headspace analysis detects.Operating process is simple, and installation and maintenance are convenient.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. the automatic sample handling system of a headspace analysis checkout equipment, it is characterized in that, comprise air-out needle, air inlet needle, and can make head space bottle, the gearing of air-out needle and air inlet needle generation relative motion, when automatic sample handling system is received after the detection instruction that headspace analysis checkout equipment assigns, first air-out needle enters head space bottle through the sealing on head space bottle with dottle pin, then air inlet needle also enters head space bottle through described dottle pin, or air-out needle and air inlet needle enter head space bottle through the sealing on head space bottle with dottle pin simultaneously simultaneously, air-out needle and air inlet needle arrive the motion of stopping after assigned address.
2. sampling system according to claim 1, is characterized in that, this sampling system also comprises: for the temperature-changeable heated constant temperature cylinder of placing head space bottle and can heating and be incubated to head space bottle.
3. sampling system according to claim 1, is characterized in that, also comprises: for the fixing holder of air-out needle and air inlet needle.
4. sampling system according to claim 1, it is characterized in that, described gearing comprises: the combination of guide rail and motor, the combination of guide rail and cylinder or hydraulic cylinder, the combination of gear or tooth bar and motor, the combination of gear or tooth bar and cylinder, the combination of gear or tooth bar and hydraulic cylinder.
5. according to the sampling system described in claim 1 to 4 any one, it is characterized in that, described air-out needle and air inlet needle comprise syringe and removable syringe needle.
6. sampling system according to claim 5, is characterized in that, at described syringe needle and syringe junction, is provided with sealing adaptor, and removable syringe needle is locked at sealing adaptor place and syringe by crimp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318758.5U CN203929793U (en) | 2014-06-16 | 2014-06-16 | The automatic sample handling system of headspace analysis checkout equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318758.5U CN203929793U (en) | 2014-06-16 | 2014-06-16 | The automatic sample handling system of headspace analysis checkout equipment |
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| Publication Number | Publication Date |
|---|---|
| CN203929793U true CN203929793U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318758.5U Expired - Lifetime CN203929793U (en) | 2014-06-16 | 2014-06-16 | The automatic sample handling system of headspace analysis checkout equipment |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020307A (en) * | 2014-06-16 | 2014-09-03 | 武汉矽感科技有限公司 | Automatic feeding method of headspace analysis detection equipment and implement system thereof |
| CN116773303A (en) * | 2023-08-21 | 2023-09-19 | 成都市产品质量监督检验研究院 | Pretreatment device for fiber sample in headspace detection |
-
2014
- 2014-06-16 CN CN201420318758.5U patent/CN203929793U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020307A (en) * | 2014-06-16 | 2014-09-03 | 武汉矽感科技有限公司 | Automatic feeding method of headspace analysis detection equipment and implement system thereof |
| CN116773303A (en) * | 2023-08-21 | 2023-09-19 | 成都市产品质量监督检验研究院 | Pretreatment device for fiber sample in headspace detection |
| CN116773303B (en) * | 2023-08-21 | 2023-10-24 | 成都市产品质量监督检验研究院 | Pretreatment device for fiber sample in headspace detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN SYSCAN DIGITAL CO., LTD. Free format text: FORMER OWNER: SHANGHAI SYSCAN INFORMATION TECHNOLOGY (GROUP) CO., LTD. Effective date: 20150401 Owner name: SHANGHAI SYSCAN INFORMATION TECHNOLOGY (GROUP) CO. Free format text: FORMER OWNER: WUHAN XIGAN SCI. + TECH. CO., LTD. Effective date: 20150401 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430000 WUHAN, HUBEI PROVINCE TO: 201203 PUDONG NEW AREA, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150401 Address after: 201203, Shanghai Zhangjiang hi tech park, 501 East Road, 7 floor, room 3000 Patentee after: SHANGHAI SYSCAN INFORMATION TECHNOLOGY GROUP Co.,Ltd. Patentee after: SHENZHEN SYSCAN TECHNOLOGY Co.,Ltd. Address before: 430000, No. 4, Wu Nan Road, Taiwan business investment zone, Dongxihu District, Hubei, Wuhan Patentee before: WUHAN SYSCAN TECHNOLOGY Co.,Ltd. Patentee before: SHANGHAI SYSCAN INFORMATION TECHNOLOGY GROUP Co.,Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151120 Address after: 430000, No. 31, Wuhuan Avenue, Dongxihu District, Hubei, Wuhan Patentee after: WUHAN SYSCAN TECHNOLOGY Co.,Ltd. Address before: 201203, Shanghai Zhangjiang hi tech park, 501 East Road, 7 floor, room 3000 Patentee before: SHANGHAI SYSCAN INFORMATION TECHNOLOGY GROUP Co.,Ltd. Patentee before: SHENZHEN SYSCAN TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190729 Address after: 518000 Tairan Science Park 213 Building 3BV6-2, Tairan 4 Road, Tian'an Community, Shatou Street, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Securities Spectrum Intelligent Technology Co.,Ltd. Address before: 430000, No. 31, Wuhuan Avenue, Dongxihu District, Hubei, Wuhan Patentee before: WUHAN SYSCAN TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20141105 |