CN204925050U - Liquid chromatogram post switches testing arrangement and liquid chromatogram appearance - Google Patents
Liquid chromatogram post switches testing arrangement and liquid chromatogram appearance Download PDFInfo
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- CN204925050U CN204925050U CN201520626908.3U CN201520626908U CN204925050U CN 204925050 U CN204925050 U CN 204925050U CN 201520626908 U CN201520626908 U CN 201520626908U CN 204925050 U CN204925050 U CN 204925050U
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- chromatographic column
- channel switching
- switching valve
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Abstract
The utility model relates to a liquid chromatogram post switches testing arrangement and liquid chromatogram appearance, the device include the chromatographic column unit and with first many channel switching valve that chromatographic column unit one end links to each other, and with many channel switching of second valve that the chromatographic column unit other end links to each other, the chromatographic column unit is including a plurality of chromatographic columns of arranging in proper order, first many channel switching valve with many channel switching of second valve is used for control the intercommunication of the chromatographic column in the chromatographic column unit or close. The utility model provides a testing arrangement is switched to the chromatographic column, can install a plurality of chromatographic columns, need not frequent installation and dismantles the chromatographic column.
Description
Technical field
The utility model relates to the separation and detection instrument of biotechnology, is specifically related to a kind of liquid-phase chromatographic column switch test device and liquid chromatograph.
Background technology
Chromatogram is the separation method often used in modern chemistry engineering and biochemical industry compartment analysis, and chromatographic column is the key of separation and purification and analysis.The performance of chromatographic column comprises resistance to pressure, degree of separation, capacity factor measure, post effect, tailing factor, will test in the research and development and generative process of chromatographic column to above-mentioned parameter, and to different model and batch chromatographic column compare, to screen the chromatographic column of optimum.
Liquid chromatograph refers to the difference utilizing potpourri distribution ratio between liquid-solid or immiscible two kinds of liquid, is first separated, then the instrument of Analysis and Identification to potpourri.Existing liquid chromatograph is generally all equipped with the interface of single chromatographic column, and need often to change in column performance test different model and batch chromatographic column contrast, therefore need frequently to mount and dismount chromatographic column, thus the inconsistent of test comparison condition can be caused.
Utility model content
Technical problem to be solved in the utility model is: how solving existing liquid chromatograph needs frequently to mount and dismount chromatographic column, and the inconsistent problem of the test comparison condition that also can cause.
For solving the problems of the technologies described above, the utility model proposes a kind of liquid-phase chromatographic column switch test device, comprising:
Chromatographic column unit and the first Multi-channel switching valve be connected with described chromatographic column unit one end, and the second Multi-channel switching valve be connected with the described chromatographic column unit other end;
Described chromatographic column unit, comprises multiple chromatographic column of arranging successively;
Described first Multi-channel switching valve and described second Multi-channel switching valve are for controlling being communicated with or closedown of chromatographic column in described chromatographic column unit.
Preferably, described chromatographic column comprises interface at the bottom of column cap interface, column jecket, filter disc and post.
Preferably, described first Multi-channel switching valve and described second Multi-channel switching valve are connected, for controlling connection or the closedown of described chromatographic column with interface at the bottom of the column cap interface of root chromatogram column every in described chromatographic column unit and post respectively.
Preferably, described chromatographic column switch test device also comprises computing machine, and described computing machine is for controlling the switching state of described first Multi-channel switching valve and described second Multi-channel switching valve.
Preferably, described chromatographic column switch test device also comprises the first pressure transducer be connected with the far-end of described first Multi-channel switching valve; The second pressure transducer be connected with the far-end of described second Multi-channel switching valve;
Far-end and the far-end of described second Multi-channel switching valve of described first Multi-channel switching valve are the one end not being connected described chromatographic column unit.
Preferably, described chromatographic column is normal phase column or reversed-phase column.
Preferably, the quantity of described chromatographic column is 3 ~ 10.
Preferably, the quantity of described chromatographic column is 6.
Preferably, the distance between described first Multi-channel switching valve and described second Multi-channel switching valve is not less than the length of described chromatographic column.
The utility model also proposed a kind of liquid chromatograph, comprises above-mentioned liquid-phase chromatographic column switch test device.
The liquid-phase chromatographic column switch test device that the utility model proposes, can install many root chromatogram columns, without the need to frequently mounting and dismounting chromatographic column, avoids the problem that test comparison condition is inconsistent.
Accompanying drawing explanation
Can understanding feature and advantage of the present utility model clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the utility model, in the accompanying drawings:
Fig. 1 is the structural representation of the liquid-phase chromatographic column switch test device of the utility model embodiment;
Fig. 2 is the structural representation of the liquid-phase chromatographic column switch test device of another embodiment of the utility model;
Fig. 3 is the structural representation of the liquid chromatograph of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Fig. 1 shows the structural representation of the liquid-phase chromatographic column switch test device of the utility model embodiment.
As shown in Figure 1, the liquid-phase chromatographic column switch test device of the present embodiment, comprising:
Chromatographic column unit 3 and the first Multi-channel switching valve 2 be connected with chromatographic column unit 3 one end, and the second Multi-channel switching valve 4 be connected with chromatographic column unit 3 other end;
Chromatographic column unit 3, comprises multiple chromatographic column of arranging successively, and the chromatographic column unit 3 of the present embodiment comprises 3 chromatographic columns of arranging successively, is chromatographic column 31, chromatographic column 32 and chromatographic column 33 respectively;
First Multi-channel switching valve 2 and the second Multi-channel switching valve 4 are for controlling being communicated with or closedown of chromatographic column in chromatographic column unit 3.
In actual applications, the first Multi-channel switching valve 2 is connected with the pump discharge of liquid chromatograph, and the second Multi-channel switching valve 4 is connected with the detecting device entrance of liquid chromatograph.
The liquid-phase chromatographic column switch test device that the present embodiment proposes, can installing multiple chromatographic column, without the need to frequently mounting and dismounting chromatographic column, avoiding the problem that test comparison condition is inconsistent.
In the optional embodiment of one, chromatographic column 31, chromatographic column 32 and chromatographic column 33 include interface at the bottom of column cap interface, column jecket, filter disc and post.
First Multi-channel switching valve 2 and the second Multi-channel switching valve 4 are connected, for controlling connection or the closedown of described chromatographic column with interface at the bottom of the column cap interface of each chromatographic column in chromatographic column unit 3 and post respectively.
Liquid-phase chromatographic column switch test device also comprises computing machine (not shown), and described computing machine is for controlling the switching state of the first Multi-channel switching valve 2 and the second Multi-channel switching valve 4.In present embodiment, the first Multi-channel switching valve 2 and the second Multi-channel switching valve 4 control by computing machine, realize full-automatic switching and the operation of chromatographic column unit 3.
The force value of what pressure transducer on existing liquid chromatograph detected is whole instrument, the resistance to pressure of chromatographic column can not be reflected, the liquid-phase chromatographic column switch test device of another embodiment of the utility model obtains the post pressure of chromatographic column in test process by the pressure differential of the first pressure transducer and the second pressure transducer, thus accurately records the withstand voltage properties of chromatographic column
Fig. 2 shows the structural representation of the liquid-phase chromatographic column switch test device of another embodiment of the utility model.
As shown in Figure 2, the liquid-phase chromatographic column switch test device of the present embodiment, also comprises:
Described liquid-phase chromatographic column switch test device also comprises the first pressure transducer 1 be connected with the far-end of the first Multi-channel switching valve 2; The second pressure transducer 5 be connected with the far-end of the second Multi-channel switching valve 4; The far-end of the first Multi-channel switching valve 2 is the one end not being connected chromatographic column unit 3 with the far-end of the second Multi-channel switching valve 4.
The liquid-phase chromatographic column switch test device of the present embodiment, obtains the post pressure of chromatographic column in test process by the pressure differential of the first pressure transducer and the second pressure transducer, thus accurately records the withstand voltage properties of chromatographic column.
In the optional embodiment of one, described chromatographic column is normal phase column or reversed-phase column.The quantity of described chromatographic column is 3 ~ 10; Especially, the quantity of chromatographic column is 6.
In actual applications, the first Multi-channel switching valve 2 and the second Multi-channel switching valve 4 between distance be not less than the length of described chromatographic column.
The liquid-phase chromatographic column switch test device of present embodiment, many root chromatogram columns can be installed, without the need to frequently mounting and dismounting chromatographic column, the first Multi-channel switching valve 2 and the second Multi-channel switching valve 4 control by computing machine, realize full-automatic switching and the operation of chromatographic column unit 3.Obtain the post pressure of chromatographic column in test process by the pressure differential of the first pressure transducer and the second pressure transducer, thus accurately record the withstand voltage properties of chromatographic column.
Fig. 3 shows the structural representation of the liquid chromatograph (comprising high performance liquid chromatograph, Ultra Performance Liquid Chromatography instrument and ion chromatograph) of the utility model embodiment.
As shown in Figure 3, the liquid chromatograph of the present embodiment comprises pump 6, detecting device 7, registering instrument 8 and liquid-phase chromatographic column switch test device as shown in Figure 1.Pump 6, chromatographic column switch test device, detecting device 7, registering instrument 8 connect successively.Wherein, the first pressure transducer 1 of liquid-phase chromatographic column switch test device is connected with the outlet of pump 6, and the second pressure transducer 5 of liquid-phase chromatographic column switch test device is connected with the entrance of detecting device 7.
The liquid chromatograph that the present embodiment proposes, multiple chromatographic column can be installed, without the need to frequently mounting and dismounting chromatographic column, obtaining the post pressure of chromatographic column in test process by the pressure differential of the first pressure transducer and the second pressure transducer, thus accurately recording the withstand voltage properties of chromatographic column.
In the optional embodiment of one, chromatographic column switch test device in liquid chromatograph also comprises computing machine (not shown), described computing machine, for controlling the first Multi-channel switching valve 2 and the second Multi-channel switching valve 4, realizes full-automatic switching and the operation of chromatographic column unit 3.
Although describe embodiment of the present utility model by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations when not departing from spirit and scope of the present utility model, such amendment and modification all fall into by within claims limited range.
Claims (10)
1. a liquid-phase chromatographic column switch test device, is characterized in that, the first Multi-channel switching valve comprising chromatographic column unit and be connected with described chromatographic column unit one end, and the second Multi-channel switching valve be connected with the described chromatographic column unit other end;
Described chromatographic column unit, comprises many chromatographic columns of arranging successively;
Described first Multi-channel switching valve and described second Multi-channel switching valve are for controlling being communicated with or closedown of chromatographic column in described chromatographic column unit.
2. liquid-phase chromatographic column switch test device according to claim 1, it is characterized in that, described chromatographic column comprises interface at the bottom of column cap interface, column jecket, filter disc and post.
3. liquid-phase chromatographic column switch test device according to claim 2, it is characterized in that, described first Multi-channel switching valve and described second Multi-channel switching valve are connected, for controlling connection or the closedown of described chromatographic column with interface at the bottom of the column cap interface of root chromatogram column every in described chromatographic column unit and post respectively.
4. liquid-phase chromatographic column switch test device according to claim 1, is characterized in that, also comprise: computing machine, and described computing machine is for controlling the switching state of described first Multi-channel switching valve and described second Multi-channel switching valve.
5. liquid-phase chromatographic column switch test device according to claim 1, is characterized in that, also comprise:
The first pressure transducer be connected with the far-end of described first Multi-channel switching valve;
The second pressure transducer be connected with the far-end of described second Multi-channel switching valve;
Far-end and the far-end of described second Multi-channel switching valve of described first Multi-channel switching valve are the one end not being connected described chromatographic column unit.
6. liquid-phase chromatographic column switch test device according to claim 1, is characterized in that, described chromatographic column is normal phase column or reversed-phase column.
7. liquid-phase chromatographic column switch test device according to claim 1, is characterized in that, the quantity of described chromatographic column is 3 ~ 10.
8. liquid-phase chromatographic column switch test device according to claim 7, is characterized in that, the quantity of described chromatographic column is 6.
9. liquid-phase chromatographic column switch test device according to claim 1, is characterized in that, the distance between described first Multi-channel switching valve and described second Multi-channel switching valve is not less than the length of described chromatographic column.
10. a liquid chromatograph, is characterized in that, comprises the liquid-phase chromatographic column switch test device described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626908.3U CN204925050U (en) | 2015-08-19 | 2015-08-19 | Liquid chromatogram post switches testing arrangement and liquid chromatogram appearance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520626908.3U CN204925050U (en) | 2015-08-19 | 2015-08-19 | Liquid chromatogram post switches testing arrangement and liquid chromatogram appearance |
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| CN204925050U true CN204925050U (en) | 2015-12-30 |
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| CN201520626908.3U Expired - Fee Related CN204925050U (en) | 2015-08-19 | 2015-08-19 | Liquid chromatogram post switches testing arrangement and liquid chromatogram appearance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845066A (en) * | 2018-06-14 | 2018-11-20 | 贵州省产品质量监督检验院 | A kind of food additives automatic testing method and system based on Internet of Things |
-
2015
- 2015-08-19 CN CN201520626908.3U patent/CN204925050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845066A (en) * | 2018-06-14 | 2018-11-20 | 贵州省产品质量监督检验院 | A kind of food additives automatic testing method and system based on Internet of Things |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20170819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |