CN211785365U - Liquid inlet device for liquid chromatogram - Google Patents
Liquid inlet device for liquid chromatogram Download PDFInfo
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- CN211785365U CN211785365U CN202020193966.2U CN202020193966U CN211785365U CN 211785365 U CN211785365 U CN 211785365U CN 202020193966 U CN202020193966 U CN 202020193966U CN 211785365 U CN211785365 U CN 211785365U
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Abstract
The utility model discloses a liquid inlet device for liquid chromatogram, which comprises a shell and a liquid inlet unit; a housing: the interior of the shell is hollow, and an opening is formed in the upper surface of the shell; a liquid inlet unit: the feed liquor unit includes liquid reserve tank, connecting pipe, high-pressure pump, cross joint, feed liquor solenoid valve and feed liquor pipe, the liquid reserve tank is equipped with threely, and three liquid reserve tank equidistance sets up the bottom in the casing, and the liquid outlet of three liquid reserve tank upper surface is connected with the lower extreme of three feed liquor pipe respectively, and the upper end of three feed liquor pipe is connected with the three inlet of cross joint side respectively, the lower surface of cross joint is connected with the last fixed surface of casing, the feed liquor solenoid valve is equipped with threely, this a feed liquor device for liquid chromatogram, and the kind of adjustment input liquid that can be automatic during the feed liquor reduces measurement personnel's operation, avoids the staff to bump the condition emergence of glass bottle, reduces the waste of mobile phase and the liquid that awaits measuring.
Description
Technical Field
The utility model relates to a liquid chromatogram technical field specifically is a feed liquor device for liquid chromatogram.
Background
Chromatography is a separation and analysis technique characterized by the use of liquid as the mobile phase and the stationary phase in various forms, such as paper, sheet and packed bed, in the course of the development of chromatographic techniques, in order to distinguish the various processes, respective designations have been made according to the form of the stationary phase, such as paper chromatography, thin-layer chromatography and column liquid chromatography, when the liquid chromatograph is used, a mobile phase contained in a glass bottle and liquid to be detected in the glass bottle need to be conveyed to a chromatographic column for separation, when the existing liquid chromatograph is used, a liquid inlet pipe needs to be put into the glass bottles containing different solutions, so that the liquid input process has more and more troublesome operations, and the glass bottle is placed on operation platform, and the glass bottle is knocked over easily to the detection personnel when the operation, makes mobile phase and the liquid that awaits measuring flow out the glass bottle, causes the waste of mobile phase and the liquid that awaits measuring.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a inlet means for liquid chromatogram, but the kind of automatic adjustment input liquid during the feed liquor reduces measurement personnel's operation, avoids the staff to knock over the condition of glass bottle and takes place, reduces the waste of mobile phase and the liquid that awaits measuring, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an inlet device for liquid chromatography comprises a shell and an inlet unit;
a housing: the interior of the shell is hollow, and an opening is formed in the upper surface of the shell;
a liquid inlet unit: the liquid inlet unit comprises three liquid storage tanks, three connecting pipes, three high-pressure pumps, a four-way joint, liquid inlet electromagnetic valves and liquid inlet pipes, wherein the three liquid storage tanks are arranged at the bottom in the shell at equal intervals, liquid outlets on the upper surfaces of the three liquid storage tanks are respectively connected with the lower ends of the three liquid inlet pipes, the upper ends of the three liquid inlet pipes are respectively connected with three liquid inlets on the side surfaces of the four-way joint, the lower surface of the four-way joint is fixedly connected with the upper surface of the shell, the three liquid inlet electromagnetic valves are respectively arranged on the three liquid inlet pipes, one end of each connecting pipe is connected with the liquid outlet on the side surface of the four-way joint, the high-pressure pumps are arranged on the connecting pipes, and the lower;
wherein: still include the singlechip, the upper surface at the casing is established to the singlechip, and the input of singlechip is connected with external power supply's output electricity, the output of singlechip is connected with the input electricity of high-pressure pump and feed liquor solenoid valve respectively, through the feed liquor unit, can detect in the convenient quick chromatographic column of input of different kinds of liquid, reduces measurement personnel's operation, avoids the staff to knock over the condition of glass bottle and takes place, reduces the mobile phase and the waste of the liquid that awaits measuring.
Further, still include activated carbon filter and sign board, activated carbon filter is equipped with threely, and three activated carbon filter establishes respectively on three feed liquor pipe, the sign board is equipped with threely, and three sign board is established respectively at the middle part of liquid reserve tank upper surface, can filter the liquid that gets into when the feed liquor through activated carbon filter, can make things convenient for the measurement personnel to carry out the sign to the kind of liquid in the three liquid reserve tank through the sign board.
Further, still include liquid feeding pipe and liquid feeding fill, the liquid feeding pipe is equipped with threely, and the upper end of three liquid feeding pipe is connected with the left inlet of three liquid reserve tank upper surface respectively, and the upper end of three liquid feeding pipe all is equipped with the liquid feeding fill, can be convenient add mobile phase, the liquid that awaits measuring and cleaner in the liquid reserve tank through liquid feeding pipe and liquid feeding fill.
Further, still include vacuum chuck and linker, vacuum chuck is equipped with four, and four vacuum chuck evenly set up at the lower surface of casing, the linker is the U type, and the linker is equipped with threely, and the trailing flank at three liquid reserve tank is established respectively to three linker, and the inside of three liquid reserve tank is communicate respectively to three linker, can fix the casing on the operation panel through vacuum chuck, can make things convenient for the detection personnel to observe the liquid level of liquid in the liquid reserve tank through the linker.
Further, still include flowing back solenoid valve and fluid-discharge tube, the fluid-discharge tube is equipped with threely, and the one end of three fluid-discharge tube is connected with the liquid outlet of three liquid reserve tank trailing flank respectively, and all is equipped with the flowing back solenoid valve on the three fluid-discharge tube, and the input of three flowing back solenoid valve is connected with the output electricity of singlechip, can be when the chromatograph does not use the liquid discharge in the liquid reserve tank through the fluid-discharge tube, avoids the liquid that awaits measuring to remain in the liquid reserve tank.
Compared with the prior art, the beneficial effects of the utility model are that: this inlet means for liquid chromatogram has following benefit:
1. can detect in the convenient quick input chromatographic column of different kinds of liquid through the feed liquor unit, reduce measurement personnel's operation, avoid the staff to knock over the condition of glass bottle and take place, reduce the waste of mobile phase and the liquid that awaits measuring.
2. Can filter the liquid that gets into when the feed liquor through activated carbon filter, can make things convenient for the measurement personnel to carry out the sign to the kind of liquid in the three receiver tank through the sign board, can be convenient add mobile phase, the liquid that awaits measuring and cleaner into the receiver tank through liquid feeding pipe and liquid feeding fill.
3. Can fix the casing on the operation panel through vacuum chuck, can make things convenient for the detection personnel to observe the liquid level of liquid in the liquid storage tank through the linker, can be when the chromatograph does not use through the fluid-discharge tube with the liquid discharge in the liquid storage tank, avoid the liquid that awaits measuring to remain in the liquid storage tank.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic side view of the present invention.
In the figure: the device comprises a shell 1, a liquid inlet unit 2, a liquid storage tank 21, a connecting pipe 22, a high-pressure pump 23, a four-way connector 24, a liquid inlet electromagnetic valve 25, a liquid inlet pipe 26, a single chip microcomputer 3, an activated carbon filter 4, an identification plate 5, a liquid adding pipe 6, a liquid adding hopper 7, a vacuum chuck 8, a communicating vessel 9, a liquid discharge electromagnetic valve 10 and a liquid discharge pipe 11.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an inlet device for liquid chromatography comprises a shell 1 and an inlet unit 2;
a housing 1: the interior of the shell 1 is hollow, and the upper surface of the shell 1 is provided with an opening;
liquid inlet unit 2: the liquid inlet unit 2 comprises three liquid storage tanks 21, connecting pipes 22, high-pressure pumps 23, four-way joints 24, liquid inlet electromagnetic valves 25 and liquid inlet pipes 26, the three liquid storage tanks 21 are arranged at the bottom in the shell 1 at equal intervals, the liquid outlets on the upper surfaces of the three liquid storage tanks 21 are respectively connected with the lower ends of the three liquid inlet pipes 26, the upper ends of the three liquid inlet pipes 26 are respectively connected with the three liquid inlets on the side surfaces of the four-way joints 24, the lower surfaces of the four-way joints 24 are fixedly connected with the upper surface of the shell 1, the three liquid inlet electromagnetic valves 25 are respectively arranged on the three liquid inlet pipes 26, one end of each connecting pipe 22 is connected with the liquid outlet on the side surface of the four-way joint 24, the high-pressure pump 23 is arranged on each connecting pipe 22, and the;
wherein: still include singlechip 3, singlechip 3 establishes the upper surface at casing 1, and singlechip 3's input is connected with external power source's output electricity, singlechip 3's output is connected with high-pressure pump 23 and feed liquor solenoid valve 25's input electricity respectively, can detect in the convenient quick chromatographic column of input of different kinds of liquid through feed liquor unit 2, reduces measurement personnel's operation, avoids the staff to knock over the condition emergence of glass bottle, reduces the mobile phase and the waste of the liquid that awaits measuring.
Wherein: still include activated carbon filter 4 and sign board 5, activated carbon filter 4 is equipped with threely, and three activated carbon filter 4 is established respectively on three feed liquor pipe 26, and sign board 5 is equipped with threely, and three sign board 5 is established respectively at the middle part of liquid reserve tank 21 upper surface, can filter the liquid that gets into when the feed liquor through activated carbon filter 4, can make things convenient for the testing personnel to carry out the sign to the kind of liquid in three liquid reserve tank 21 through sign board 5.
Wherein: still include liquid feeding pipe 6 and liquid feeding fill 7, liquid feeding pipe 6 is equipped with threely, and the upper end of three liquid feeding pipe 6 is connected with the left inlet of three liquid reserve tank 21 upper surface respectively, and the upper end of three liquid feeding pipe 6 all is equipped with liquid feeding fill 7, can be convenient add mobile phase, the liquid that awaits measuring and cleaner into liquid reserve tank 21 through liquid feeding pipe 6 and liquid feeding fill 7.
Wherein: still include vacuum chuck 8 and linker 9, vacuum chuck 8 is equipped with four, four vacuum chuck 8 evenly set up at casing 1's lower surface, linker 9 is the U type, and linker 9 is equipped with threely, three linker 9 is established respectively at the trailing flank of three liquid reserve tank 21, and three linker 9 communicates the inside of three liquid reserve tank 21 respectively, can fix casing 1 on the operation panel through vacuum chuck 8, can make things convenient for the liquid level of liquid among the detection personnel to observe the liquid reserve tank 21 through linker 9.
Wherein: still include flowing back solenoid valve 10 and fluid-discharge tube 11, fluid-discharge tube 11 is equipped with threely, and the one end of three fluid-discharge tube 11 is connected with the liquid outlet of three liquid reserve tank 21 trailing flank respectively, and all is equipped with flowing back solenoid valve 10 on the three fluid-discharge tube 11, and the input of three flowing back solenoid valve 10 is connected with singlechip 3's output electricity, can be through fluid-discharge tube 11 with the liquid discharge in the liquid reserve tank 21 when the chromatograph does not use, avoids the liquid that awaits measuring to remain in liquid reserve tank 21.
When in use: switch on external power source, the mobile phase, liquid and cleaner to be measured add three liquid reserve tank 21 respectively through liquid feeding fill 7 and filling pipe 6, control high-pressure pump 23 work through singlechip 3, simultaneously, the feed liquor solenoid valve 25 through singlechip 3 control cleaner liquid reserve tank 21 upside is opened, make the cleaner in the liquid reserve tank 21 carry to the chromatographic column in through connecting pipe 22 and wash, after finishing washing, the feed liquor solenoid valve 25 through singlechip 3 control mobile phase liquid reserve tank 21 upside is opened, make liquid reserve tank 21 carry to cross joint 24 department through feed liquor pipe 6, and carry to the chromatographic column through connecting pipe 22, detect in the chromatographic column also carried the liquid to be measured in the same way, after finishing detecting, drainage solenoid valve 10 on the liquid reserve tank 21 of accessible singlechip 3 control awaiting measuring is opened, it can to discharge the liquid to be measured.
It should be noted that the high-pressure pump 23 used in this embodiment is a high-pressure pump of the limited pump industry, the specific model is 50WQR10-10-0.75, the single-chip microcomputer 3 is a micro single-chip microcomputer of the limited technoque, shenzhen, etc., the specific model is MCU-ATTINY85, and the single-chip microcomputer 3 controls the high-pressure pump 23, the liquid inlet solenoid valve 25 and the liquid discharge solenoid valve 10 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An inlet means for liquid chromatography, characterized by: comprises a shell (1) and a liquid inlet unit (2);
housing (1): the interior of the shell (1) is hollow, and an opening is formed in the upper surface of the shell (1);
liquid inlet unit (2): the feed liquor unit (2) includes liquid reserve tank (21), connecting pipe (22), high-pressure pump (23), cross joint (24), feed liquor solenoid valve (25) and feed liquor pipe (26), liquid reserve tank (21) are equipped with threely, and three liquid reserve tank (21) equidistance sets up the bottom in casing (1), and the liquid outlet of three liquid reserve tank (21) upper surface is connected with the lower extreme of three feed liquor pipe (26) respectively, and the upper end of three feed liquor pipe (26) is connected with the three inlet of cross joint (24) side respectively, the lower surface of cross joint (24) is connected with the last fixed surface of casing (1), feed liquor solenoid valve (25) are equipped with threely, and three feed liquor solenoid valve (25) are established respectively on three feed liquor pipe (26), the one end of connecting pipe (22) is connected with the liquid outlet of cross joint (24) side, be equipped with high-pressure pump (23) on connecting pipe (22), the lower surface of the high-pressure pump (23) is fixedly connected with the upper surface of the shell (1);
wherein: still include singlechip (3), establish the upper surface at casing (1) singlechip (3), and the input of singlechip (3) is connected with external power source's output electricity, the output of singlechip (3) is connected with the input electricity of high-pressure pump (23) and feed liquor solenoid valve (25) respectively.
2. An inlet means for liquid chromatography according to claim 1, wherein: still include activated carbon filter (4) and sign board (5), activated carbon filter (4) are equipped with threely, and three activated carbon filter (4) are established respectively on three feed liquor pipe (26), sign board (5) are equipped with threely, and the middle part at liquid reserve tank (21) upper surface is established respectively in three sign board (5).
3. An inlet means for liquid chromatography according to claim 1, wherein: the liquid feeding device is characterized by further comprising three liquid feeding pipes (6) and three liquid feeding hoppers (7), wherein the upper ends of the three liquid feeding pipes (6) are connected with liquid inlets on the left sides of the upper surfaces of the three liquid storage tanks (21), and the liquid feeding hoppers (7) are arranged at the upper ends of the three liquid feeding pipes (6).
4. An inlet means for liquid chromatography according to claim 1, wherein: still include vacuum chuck (8) and linker (9), vacuum chuck (8) are equipped with four, and four vacuum chuck (8) evenly set up at the lower surface of casing (1), linker (9) are the U type, and linker (9) are equipped with threely, and the trailing flank in three liquid reserve tank (21) is established respectively in three linker (9), and three linker (9) communicate the inside of three liquid reserve tank (21) respectively.
5. An inlet means for liquid chromatography according to claim 1, wherein: still include flowing back solenoid valve (10) and fluid-discharge tube (11), fluid-discharge tube (11) are equipped with threely, and the one end of three fluid-discharge tube (11) is connected with the liquid outlet of three liquid reserve tank (21) trailing flank respectively, and all is equipped with flowing back solenoid valve (10) on three fluid-discharge tube (11), and the input of three flowing back solenoid valve (10) is connected with the output electricity of singlechip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020193966.2U CN211785365U (en) | 2020-02-21 | 2020-02-21 | Liquid inlet device for liquid chromatogram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020193966.2U CN211785365U (en) | 2020-02-21 | 2020-02-21 | Liquid inlet device for liquid chromatogram |
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| CN211785365U true CN211785365U (en) | 2020-10-27 |
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| CN202020193966.2U Active CN211785365U (en) | 2020-02-21 | 2020-02-21 | Liquid inlet device for liquid chromatogram |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630318A (en) * | 2020-11-23 | 2021-04-09 | 江苏同济分析仪器有限公司 | Online cleaning pump of liquid chromatograph |
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2020
- 2020-02-21 CN CN202020193966.2U patent/CN211785365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630318A (en) * | 2020-11-23 | 2021-04-09 | 江苏同济分析仪器有限公司 | Online cleaning pump of liquid chromatograph |
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