CN205665060U - Four -channel VOC gas production device - Google Patents
Four -channel VOC gas production device Download PDFInfo
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- CN205665060U CN205665060U CN201620519181.3U CN201620519181U CN205665060U CN 205665060 U CN205665060 U CN 205665060U CN 201620519181 U CN201620519181 U CN 201620519181U CN 205665060 U CN205665060 U CN 205665060U
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- flow controller
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Abstract
The utility model discloses a four -channel VOC gas production device, which comprises a housin, casing inside is equipped with four sampling channels, wherein first sampling channel includes a TENAX sampling pipe and a flow controller, the second sampling channel includes a DNPH sampling pipe and the 2nd flow controller, an above -mentioned flow controller and the 2nd flow controller are connected with first vacuum pump jointly, the third sampling channel includes the 2nd TENAX sampling pipe and the 3rd flow controller, the fourth sampling channel includes the 2nd DNPH sampling pipe and fourth flow controller, three above -mentioned flow controller and fourth flow controller are connected with the second vacuum pump jointly. The utility model discloses a sampling of two samples can be carried out simultaneously in the four -channel design, can improve the efficiency of sampling, can improve the efficiency of whole VOC experiment, or carry out the parallel of same sample and sample to improve the uniformity of parallel appearance, reduce environment error.
Description
Technical field
This utility model relates to a kind of gas producing device, particularly four-way VOC gas producing device.
Background technology
HJ/T400-2007 " volatile organic matter and aldehyde ketone in car is typically used currently for the detection method of VOC in car
Class material sampling determination method ", i.e. use TENAX sampling tube to be transferred on gas chromatograph-mass spectrometer (GC-MS) for benzene hydrocarbon class, pin
DNPH sampling tube is used to be transferred on high performance liquid chromatograph aldoketones；Should at least leave 2 when sampling every time to adopt simultaneously
Sample pipe is as blank, and equally treats with other sampling tube, and as the Field blank in sampling process, sampling terminates afterwards and other
Laboratory delivered in the lump by sampling tube.Measure Field blank value during sample analysis, and compare with the zero-dose value of calibration curve.
If abnormal, then this batch sample is cancelled.That Parallel Sampling is no less than 2 Duplicate Samples for the requirement of Duplicate Samples, the difference of measured value with
The relative deviation that arithmetic mean of instantaneous value compares must not exceed 20%.But existing gas producing device only has 1 sampling channel, increasingly
It is unsatisfactory for the needs of parts VOC sampling, and samples while Duplicate Samples can not be carried out, there is certain environmental error.
Utility model content
The purpose of this utility model is in order to solve above-mentioned the deficiencies in the prior art and to provide one to realize Duplicate Samples collection
Four-way VOC gas producing device.
To achieve these goals, the four-way VOC gas producing device designed by this utility model, including housing, described shell
Internal portion is provided with four sampling channels, and wherein the first sampling channel includes a TENAX sampling tube and first flow controller, the
Two sampling channels include that a DNPH sampling tube and second flow controller, above-mentioned first flow controller and second flow control
Device connects jointly the first vacuum pump, and the 3rd sampling channel includes the 2nd TENAX sampling tube and the 3rd flow controller, and the 4th adopts
Sample passage includes that the 2nd DNPH sampling tube and the 4th flow controller, above-mentioned 3rd flow controller and the 4th flow controller are altogether
The second vacuum pump is had with connecting.
Described enclosure interior is additionally provided with master controller, and hull outside is provided with the touch screen panel being connected with above-mentioned master controller
Plate.Touch panel is provided with operation time device and the uninterrupted regulation switch controlling each flow controller, simultaneously
It is additionally provided with the start by set date switch controlling flow controller and vacuum pump.Thus can realize this device for flow and to fill
The setting of gas time, can also be timed operation simultaneously.
Described master controller is PLC, above-mentioned each flow controller and vacuum pump can be carried out open and close controlling.
Above-mentioned all flow controllers are all gas mass flow controllers.
The four-way VOC gas producing device that this utility model obtains, it uses four-way to design, can carry out two samples simultaneously
The sampling of product, can sample to the benzene hydrocarbon class in each sample and aldoketones material simultaneously, thus can improve sampling
Efficiency, can improve whole VOC experiment efficiency；Or carry out the Parallel Sampling of same sample, thus improve the one of Duplicate Samples
Cause property, reduces environmental error.Additionally this device can also arrange flow and inflationtime on touch panel, and is timed
Arrange.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the four-way VOC gas producing device of embodiment；
Fig. 2 is the external structure schematic diagram of the four-way VOC gas producing device of embodiment.
In figure: housing 1, master controller 2, touch panel 3, operation time device 4, uninterrupted regulation switch 5, timing are opened
Dynamic switch 6, a TENAX sampling tube 11, DNPH sampling tube 12, first vacuum pump 13, the 2nd TENAX sampling tube 14, the
Two DNPH sampling tube the 15, second vacuum pumps 16, first flow controller 21, second flow controller the 22, the 3rd flow controller
23, the 4th flow controller 24.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment:
As it is shown in figure 1, the four-way VOC gas producing device that the present embodiment provides, including housing 1, described housing 1 is internal to be provided with
Four sampling channels, wherein the first sampling channel includes a TENAX sampling tube 11 and first flow controller 21, the second sampling
Passage includes that a DNPH sampling tube 12 and second flow controller 22, above-mentioned first flow controller 21 and second flow control
Device 22 connects jointly the first vacuum pump 13；3rd sampling channel includes the 2nd TENAX sampling tube 14 and the 3rd flow controller
23, the 4th sampling channel includes the 2nd DNPH sampling tube 15 and the 4th flow controller 24, above-mentioned 3rd flow controller 23 He
4th flow controller 24 connects jointly the second vacuum pump 16.
As in figure 2 it is shown, described housing 1 is internal is additionally provided with master controller 2, housing 1 is outside to be provided with above-mentioned master controller 2 even
The touch panel 3 connect, is provided with on touch panel 3 and controls the operation time device 4 of each flow controller and flow is big
Minor adjustment switch 5, is additionally provided with the start by set date switch 6 controlling flow controller and vacuum pump simultaneously.
This device uses four-way design, can carry out the sampling of two samples, i.e. to the benzene hydrocarbon in each sample simultaneously
Class and aldoketones material are sampled simultaneously, thus can improve the efficiency of sampling, can improve the effect of whole VOC experiment
Rate；Or carry out the Parallel Sampling of same sample, thus improve the concordance of Duplicate Samples, reduce environmental error.
Described master controller 2 is PLC, above-mentioned each flow controller and vacuum pump can be carried out opening and closing control
System.Above-mentioned all flow controllers are all gas mass flow controllers.
Claims (4)
1. a four-way VOC gas producing device, including housing (1), it is characterised in that: described housing (1) inside is provided with four and adopts
Sample passage, wherein the first sampling channel includes a TENAX sampling tube (11) and first flow controller (21), and the second sampling is logical
Road includes a DNPH sampling tube (12) and second flow controller (22), above-mentioned first flow controller (21) and second flow
Controller (22) connects jointly the first vacuum pump (13)；3rd sampling channel includes the 2nd TENAX sampling tube (14) and the 3rd
Flow controller (23), the 4th sampling channel includes the 2nd DNPH sampling tube (15) and the 4th flow controller (24), above-mentioned
Three flow controllers (23) and the 4th flow controller (24) connect jointly the second vacuum pump (16).
Four-way VOC gas producing device the most according to claim 1, it is characterised in that: described housing (1) is internal is additionally provided with master
Controller (2), housing (1) is outside is provided with the touch panel (3) being connected with above-mentioned master controller (2), in touch panel (3)
It is provided with operation time device (4) and uninterrupted regulation switch (5) controlling each flow controller, is additionally provided with control simultaneously
Start by set date switch (6) of flow controller and vacuum pump.
Four-way VOC gas producing device the most according to claim 2, it is characterised in that: described master controller (2) is PLC control
Device processed, can carry out open and close controlling to above-mentioned each flow controller and vacuum pump.
Four-way VOC gas producing device the most according to claim 1 and 2, it is characterised in that: above-mentioned all flow controllers are equal
It it is gas mass flow controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620519181.3U CN205665060U (en) | 2016-06-01 | 2016-06-01 | Four -channel VOC gas production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620519181.3U CN205665060U (en) | 2016-06-01 | 2016-06-01 | Four -channel VOC gas production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205665060U true CN205665060U (en) | 2016-10-26 |
Family
ID=57158817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620519181.3U Expired - Fee Related CN205665060U (en) | 2016-06-01 | 2016-06-01 | Four -channel VOC gas production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205665060U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342601A (en) * | 2018-11-14 | 2019-02-15 | 上海帕卡兴产化工有限公司 | A kind of test method of rust-proofing wax VOC content |
| CN110702475A (en) * | 2019-11-26 | 2020-01-17 | 怀化学院 | Gas sampling device and gas sampling method |
| CN112161845A (en) * | 2020-09-04 | 2021-01-01 | 南京信息工程大学 | Protection device of DNPH sampling column |
-
2016
- 2016-06-01 CN CN201620519181.3U patent/CN205665060U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342601A (en) * | 2018-11-14 | 2019-02-15 | 上海帕卡兴产化工有限公司 | A kind of test method of rust-proofing wax VOC content |
| CN110702475A (en) * | 2019-11-26 | 2020-01-17 | 怀化学院 | Gas sampling device and gas sampling method |
| CN112161845A (en) * | 2020-09-04 | 2021-01-01 | 南京信息工程大学 | Protection device of DNPH sampling column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315105 No.99, Jingu South Road, investment and entrepreneurship center, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: China Auto Research Automotive Parts Inspection Center (Ningbo) Co.,Ltd. Address before: 315105 Zhejiang city of Ningbo province Yinzhou District investment business center Valley Road No. 99 (Ningbo Auto Parts Testing Co. Ltd.) Patentee before: NINGBO AUTOMOTIVE COMPONENT TESTING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |