CN209640300U - A kind of high-precision liquid chromatograph - Google Patents
A kind of high-precision liquid chromatograph Download PDFInfo
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- CN209640300U CN209640300U CN201920159563.3U CN201920159563U CN209640300U CN 209640300 U CN209640300 U CN 209640300U CN 201920159563 U CN201920159563 U CN 201920159563U CN 209640300 U CN209640300 U CN 209640300U
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Abstract
The utility model relates to liquid chromatograph fields, it is designed to provide a kind of high-precision liquid chromatograph, including liquid chromatograph ontology, sampling device has been bolted on the outer wall of liquid chromatograph ontology side, the storage cavity being made of support frame is welded on the outer wall of the sampling device bottom, supporting leg is welded on the outer wall of the storage cavity and liquid chromatograph body bottom portion, mounting hole is provided on the outer wall of sampling device front side, and the switching that is internally provided with of mounting hole switchs, sample storage disk is fixedly installed on the outer wall of the liquid chromatograph bodies top, the storage trough equidistantly distributed is provided on outer wall at the top of the sample storage disk.The beneficial effects of the utility model are that the inlet for measuring liquid can be controlled preferably, it avoids the rate of measurement liquid sample introduction and measures sometimes fast and sometimes slow phenomenon, the accuracy to measurement liquid testing result is improved, realizes the test format that there is preferable transition effect to a variety of measurement liquid.
Description
Technical field
The utility model relates to liquid chromatograph field more particularly to a kind of high-precision liquid chromatographs.
Background technique
Red, orange, green, blue, yellow (ROGBY) is a kind of separation and analysis method, is had in fields such as analytical chemistry, organic chemistry, biochemistries
Very extensive application, wherein according to the state of this two-phase of mobile phase during chromatography and stationary phase, by red, orange, green, blue, yellow (ROGBY)
It is divided into gas chromatography, liquid chromatography, gas-solid chromatography, gas-liquid chromatography, liquid-solid chromatography(LSC) and liquid-liquid cromatography, wherein
It when to chemical liquid composition analysis, is generally analyzed using liquid chromatography, the analysis instrument used is liquid chromatograph.
In numerous composition systems of liquid chromatograph, the internal sampling system comprising measurement liquid, and existing sample introduction
System, it is bad for the control effect for measuring liquid inlet, so that the rate and amount of measurement liquid sample introduction are sometimes fast and sometimes slow, cause to survey
Measure the testing result inaccuracy of liquid, it is sometimes desirable to while a variety of measurement liquid are detected, and for measurement liquid not of the same race
Sample introduction transition effect is bad, influences the efficiency to measurement liquid detection.In view of the above problems, it needs to design a kind of high-precision liquid phase color
Spectrometer is existing to solve the problems, such as.
Utility model content
Sample introduction is accurately controlled to measurement liquid, is convenient for switching not in view of this, the purpose of this utility model is to provide one kind
With measurement liquid sample introduction function and the high high-precision liquid chromatograph of detection efficiency.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of high-precision liquid chromatograph, including liquid chromatograph ontology, the outer wall of liquid chromatograph ontology side
On sampling device has been bolted, it is empty that the storing being made of support frame is welded on the outer wall of the sampling device bottom
Supporting leg, the sampling device front one are welded on the outer wall of chamber, the storage cavity and liquid chromatograph body bottom portion
Mounting hole is provided on the outer wall of side, and the switching that is internally provided with of mounting hole switchs, outside the liquid chromatograph bodies top
It is fixedly installed with sample storage disk on wall, the storage trough equidistantly distributed, the storage trough are provided on the outer wall at the top of the sample storage disk
Inside fixed placement have a sample storage bottle, the top of the sample storage bottle is provided with the catheter inside connection sample storage bottle, the sample introduction
The middle position of device side outer wall is welded with fixed plate, is provided on the outer wall of the fixed plate side and equidistantly distributes and run through
Through-hole, and the inside of through-hole is fixedly installed connector, is connected between one end and catheter of the connector, the fixation
The separating tube being connected to connector is provided on the side outer wall of the separate connector of plate, fixation is set on the end of the separating tube
It is equipped with solenoid valve, corresponding position switch, the liquid outlet position of each separating tube are provided on each solenoid valve
It is respectively connected with the same elevator pump, accumulator, the sampling device has been bolted in the top inside the sampling device
Be internally provided with the chromatographic column being connected to accumulator, the bottom end of the chromatographic column is provided with the inspection being mounted on inside sampling device
Device is surveyed, fluorescence column is provided in the detector, waste liquid discharge pipe is fixedly connected on the outer wall of the detector bottom, it is described
The recorder being fixed on the outer wall of sampling device side is connected on the outer wall of detector side by data line.
The key ideas of above-mentioned technical proposal is: the accumulator of use, and timely measurement liquid can be stored in accumulator
Inside, enable measurement liquid inlet preferably control, avoid measurement liquid sample introduction rate and measure it is sometimes fast and sometimes slow
Phenomenon improves the accuracy to measurement liquid testing result；Using the solenoid valve that controls each catheter and corresponding
Position switch is and good for the sample introduction transition effect of measurement liquid not of the same race, it can be achieved that detect to a variety of measurement liquid, improves
To the efficiency of measurement liquid detection.
Further, it is welded with riser on the outer wall of the accumulator bottom side, and the medium position of riser is set
It is equipped with check valve, the operative orientation of check valve is from bottom to top.
Further, the middle position of the accumulator top exterior walls is provided with opening, and the inside being open is plugged with closure
It fills in, is provided with symmetrically arranged stomata on the outer wall of two sides at the top of the accumulator, and the inside of stomata is fixedly installed hard and leads
Pipe, the top of hard conduit is provided with air bag, is equipped with scavenging air valve on the outer wall of air bag side.
Further, the top and bottom of accumulator side outer wall are provided with intercommunicating pore, and the inside of intercommunicating pore is equal
It is fixed with glass tube, two glass tubes are fixed with the liquidometer being vertically arranged far from one end of accumulator, and liquidometer uses high pressure
Penetrating glass material production.
Further, the accumulator uses closed structure.
Further, the quantity of the position switch be four, and four position switch from top to bottom number consecutively be 1,
2,3 and 4, four position switch between signal wire and corresponding solenoid valve by being electrically connected.
The beneficial effects of the utility model are: the accumulator that (1) uses, can timely store measurement liquid in accumulator
Inside enables the inlet of measurement liquid preferably to control, and the rate and amount for avoiding measurement liquid sample introduction sometimes fast and sometimes slow show
As improving the accuracy to measurement liquid testing result；(2) using the solenoid valve that controls to each catheter and corresponding
Position switch is and good for the sample introduction transition effect of measurement liquid not of the same race, it can be achieved that detect to a variety of measurement liquid, improves
To the efficiency of measurement liquid detection；(3) liquidometer being arranged by accumulator can timely observe accumulator in order to people
The situation of inside detection liquid residue can effectively avoid the case where detection liquid flows back in conjunction with the circuit design of check valve；
(4) air bag and scavenging air valve used realizes manually controlling for feed liquor constantly to the internal pressurization of accumulator, facilitates accurate
Control liquid inlet volume, achieve the effect that fabulous detection；(5) switching switch closes rising for each pipeline solenoid, controls
The conducting and closure of each pipeline, enable different types of detection liquid conveying without any confusion.
Detailed description of the invention
Fig. 1 is the liquid chromatograph body construction schematic diagram in specific embodiment of the present invention.
Fig. 2 is the sampling device structure sectional view in specific embodiment of the present invention.
Fig. 3 is the accumulator structural schematic diagram in specific embodiment of the present invention.
Drawing reference numeral explanation:
1- liquid chromatograph ontology, 2- sampling device, 3- supporting leg, 4- storage cavity, 5- switching switch, 6- sample storage disk,
7- storage trough, 8- sample storage bottle, 9- catheter, 10- fixed plate, 11- connector, 12- separating tube, 13- solenoid valve, the position 14- are opened
Pass, 15- elevator pump, 16- check valve, 17- accumulator, 18- chromatographic column, 19- detector, 20- fluorescence column, 21- waste liquid discharge pipe,
22- recorder, 23- liquidometer, 24- block plug, 25- hard conduit, 26- air bag, 27- scavenging air valve.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments as follows:
As shown in Figure 1-Figure 3, a kind of high-precision liquid chromatograph provided by the utility model, including liquid chromatograph ontology
1, sampling device 2 has been bolted on the outer wall of 1 side of liquid chromatograph ontology, 2 bottom of sampling device
The storage cavity 4 being made of support frame, the outer wall of 1 bottom of the storage cavity 4 and liquid chromatograph ontology are welded on outer wall
On be welded with supporting leg 3, mounting hole, and the inside setting of mounting hole are provided on the outer wall of the positive side of the sampling device 2
There is switching switch 5, sample storage disk 6,6 top of sample storage disk are fixedly installed on the outer wall at 1 top of liquid chromatograph ontology
Outer wall on be provided with the storage trough 7 equidistantly distributed, the inside fixed placement of the storage trough 7 has sample storage bottle 8, the sample storage bottle
8 top is provided with the catheter 9 inside connection sample storage bottle 8, and the middle position of the 2 side outer wall of sampling device is welded with solid
Fixed board 10 is provided on the outer wall of 10 side of fixed plate and equidistantly distributes and perforative through-hole, and the inside fixation of through-hole is set
It is equipped with connector 11, is connected between one end and catheter 9 of the connector 11, the separate connector 11 of the fixed plate 10
It is provided with the separating tube 12 being connected to connector 11 on the outer wall of side, is fixedly installed solenoid valve on the end of the separating tube 12
13, corresponding position switch 14 is provided on each solenoid valve 13, and the liquid outlet position of each separating tube 12 is equal
It is connected with the same elevator pump 15, accumulator 17, the sample introduction dress has been bolted in the top inside the sampling device 2
2 chromatographic column 18 being connected to accumulator 17 that is internally provided with is set, the bottom end of the chromatographic column 18, which is provided with, is mounted on sample introduction dress
The detector 19 inside 2 is set, fluorescence column 20, fixed company on the outer wall of 19 bottom of detector are provided in the detector 19
It is connected to waste liquid discharge pipe 21, is connected on the outer wall of 19 side of detector by data line and is fixed on 2 side of sampling device
Recorder 22 on outer wall.
As can be seen from the above description, the utility model has the following beneficial effects: use accumulator 17, can be timely survey
Liquid storage is measured in the inside of accumulator 17, the inlet of measurement liquid is preferably controlled, measurement liquid sample introduction is avoided
The rate phenomenon sometimes fast and sometimes slow with amount, improves the accuracy to measurement liquid testing result；It is controlled using to each catheter 9
Solenoid valve 13 and corresponding position switch 14, it can be achieved that detected to a variety of measurement liquid, and for measurement not of the same race
The sample introduction transition effect of liquid is good, improves the efficiency to measurement liquid detection.
Further, riser, and the medium position of riser are welded on the outer wall of 17 bottom side of accumulator
It is provided with check valve 16, the operative orientation of check valve 16 is from bottom to top.
Further, the middle position of 17 top exterior walls of accumulator is provided with opening, and the inside being open is plugged with envelope
24 are blocked, is provided with symmetrically arranged stomata on the outer wall of the 17 top two sides of accumulator, and the inside of stomata is fixedly installed
Hard conduit 25, the top of hard conduit 25 are provided with air bag 26, are equipped with scavenging air valve 27 on the outer wall of 26 side of air bag.
Further, the top and bottom of the 17 side outer wall of accumulator are provided with intercommunicating pore, and the inside of intercommunicating pore
It is respectively and fixedly provided with glass tube, two glass tubes are fixed with the liquidometer 23 being vertically arranged, liquidometer 23 far from one end of accumulator 17
Using the penetrating glass material production of high pressure.
Further, the accumulator 17 uses closed structure.
Further, the quantity of the position switch 14 is four, and four position switch 14 number consecutively from top to bottom
It is 1,2,3 and 4, four position switch 14 between signal wire and corresponding solenoid valve 13 by being electrically connected.
Using the liquidometer 23 being arranged by above-mentioned accumulator 17, can timely be observed in accumulator 17 in order to people
The situation of liquid residue is detected in portion, in conjunction with the circuit design of check valve 16, can effectively avoid the case where detection liquid flows back；It adopts
Air bag 26 and scavenging air valve 27 realize manually controlling for feed liquor constantly to the internal pressurization of accumulator 17, facilitate accurate
Control liquid inlet volume, achieve the effect that fabulous detection；Rising for switching 14 pairs of each pipeline solenoids 13 of switch is closed, and is controlled
The conducting and closure of each pipeline, enable different types of detection liquid conveying without any confusion.
Several preferred embodiments or Application Example are enumerated, again below to help those skilled in the art to better understand
The technical contribution that the technology contents and the utility model of the utility model are made compared with the existing technology:
Embodiment 1
As shown in Figure 1-Figure 3, a kind of high-precision liquid chromatograph provided by the utility model, including liquid chromatograph ontology
1, sampling device 2 has been bolted on the outer wall of 1 side of liquid chromatograph ontology, 2 bottom of sampling device
The storage cavity 4 being made of support frame, the outer wall of 1 bottom of the storage cavity 4 and liquid chromatograph ontology are welded on outer wall
On be welded with supporting leg 3, mounting hole, and the inside setting of mounting hole are provided on the outer wall of the positive side of the sampling device 2
There is switching switch 5, sample storage disk 6,6 top of sample storage disk are fixedly installed on the outer wall at 1 top of liquid chromatograph ontology
Outer wall on be provided with the storage trough 7 equidistantly distributed, the inside fixed placement of the storage trough 7 has sample storage bottle 8, the sample storage bottle
8 top is provided with the catheter 9 inside connection sample storage bottle 8, and the middle position of the 2 side outer wall of sampling device is welded with solid
Fixed board 10 is provided on the outer wall of 10 side of fixed plate and equidistantly distributes and perforative through-hole, and the inside fixation of through-hole is set
It is equipped with connector 11, is connected between one end and catheter 9 of the connector 11, the separate connector 11 of the fixed plate 10
It is provided with the separating tube 12 being connected to connector 11 on the outer wall of side, is fixedly installed solenoid valve on the end of the separating tube 12
13, corresponding position switch 14 is provided on each solenoid valve 13, and the liquid outlet position of each separating tube 12 is equal
It is connected with the same elevator pump 15, accumulator 17, the sample introduction dress has been bolted in the top inside the sampling device 2
2 chromatographic column 18 being connected to accumulator 17 that is internally provided with is set, the bottom end of the chromatographic column 18, which is provided with, is mounted on sample introduction dress
The detector 19 inside 2 is set, fluorescence column 20, fixed company on the outer wall of 19 bottom of detector are provided in the detector 19
It is connected to waste liquid discharge pipe 21, is connected on the outer wall of 19 side of detector by data line and is fixed on 2 side of sampling device
Recorder 22 on outer wall.
Wherein, riser, and the medium position setting of riser are welded on the outer wall of 17 bottom side of accumulator
There is check valve 16, the operative orientation of check valve 16 is from bottom to top；The middle position of 17 top exterior walls of accumulator is provided with opening,
And the inside of opening is plugged with closure plug 24, is provided with symmetrically arranged stomata on the outer wall of the 17 top two sides of accumulator, and
The inside of stomata is fixedly installed hard conduit 25, and the top of hard conduit 25 is provided with air bag 26, the outer wall of 26 side of air bag
On scavenging air valve 27 is installed；The top and bottom of the 17 side outer wall of accumulator are provided with intercommunicating pore, and the inside of intercommunicating pore
It is respectively and fixedly provided with glass tube, two glass tubes are fixed with the liquidometer 23 being vertically arranged, liquidometer 23 far from one end of accumulator 17
Using the penetrating glass material production of high pressure；The accumulator 17 uses closed structure；The quantity of the position switch 14 is
Four, and number consecutively is 1,2,3 and 4 to four position switch 14 from top to bottom, four position switch 14 by signal wire with it is right
It is electrically connected between the solenoid valve 13 answered.
Specifically, the working principle of the utility model is as follows: in use, operator is placed detection liquid by sample storage bottle 8
It on storage disk 6, is connected to using between catheter 9 and sampling device 2, operator can choose switching switch 2, so that sample introduction fills
Set using automatic input mode and manually input mode, when using automatic sampling, by elevator pump 15 detection liquid pump to
Inside accumulator 17, directly detection liquid is delivered in chromatographic column 18 by accumulator 17, realizes the inspection to detection liquid, is used
When hand sampling, after detection liquid is pumped to accumulator 17 by elevator pump 15, elevator pump 15 is closed, operator grasps
Two air bags 26 are pressed into the detection liquid being located inside accumulator 17 inside chromatographic column 18 using atmospheric pressure, realize to detection
The detection of liquid, in chromatographic column 18 and detector 19, detection liquid enters mobile phase through sampling device 2, is loaded into chromatography by mobile phase
In column 18, since each component in detection liquid has different distribution coefficients in two-phase, when doing relative motion in two-phase,
By the assigning process of repeated multiple times absorption-desorption, each component generates biggish difference in movement speed, is separated into list
A component is successively flowed out out of column, and when by detector 19, sample concentration is converted into electric signal and is transmitted to recorder 22, data
It is printed in the form of map, realizes the chromatography to detection liquid.
In conclusion a kind of high-precision liquid chromatograph provided by the utility model, the accumulator 17 of use can be timely
The storage of measurement liquid in the inside of accumulator 17, the inlet of measurement liquid is preferably controlled, avoid measurement liquid into
The sometimes fast and sometimes slow phenomenon of the rate and amount of sample, improves the accuracy to measurement liquid testing result；Using to each catheter 9
The solenoid valve 13 and corresponding position switch 14 of control are, it can be achieved that detect a variety of measurement liquid, and for not of the same race
The sample introduction transition effect for measuring liquid is good, improves the efficiency to measurement liquid detection；The liquidometer 23 being arranged by accumulator 17, can
The situation of liquid residue is detected inside accumulator 17 in order to which people timely observe, in conjunction with the circuit design of check valve 14,
The case where detection liquid reflux can effectively be avoided；The air bag 26 and scavenging air valve 27 of use, constantly to the inside of accumulator 17
Pressurization, realizes manually controlling for feed liquor, facilitates accurate control liquid inlet volume, achieve the effect that fabulous detection；Position switch
14 pairs of rising for each pipeline solenoid 13 are closed, and the conducting and closure of each pipeline are controlled, so that different types of detection
Liquid being capable of conveying without any confusion.
The utility model is described by above-mentioned related embodiment and attached drawing, however above-described embodiment is only to implement this reality
With novel example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, including
It is included in the scope of the utility model in the modification of the spirit and scope of claim and impartial setting.
Claims (6)
1. a kind of high-precision liquid chromatograph, which is characterized in that including liquid chromatograph ontology, the liquid chromatograph ontology one
It has been bolted sampling device on the outer wall of side, has been welded on the outer wall of the sampling device bottom and is made of support frame
Supporting leg, the sampling device are welded on the outer wall of storage cavity, the storage cavity and liquid chromatograph body bottom portion
Mounting hole is provided on the outer wall of positive side, and the switching that is internally provided with of mounting hole switchs, liquid chromatograph ontology top
It is fixedly installed with sample storage disk on the outer wall in portion, the storage trough equidistantly distributed is provided on the outer wall at the top of the sample storage disk, it is described
The inside fixed placement of storage trough has sample storage bottle, and the top of the sample storage bottle is provided with the catheter inside connection sample storage bottle, institute
The middle position for stating sampling device side outer wall is welded with fixed plate, is provided with and equidistantly distributes on the outer wall of the fixed plate side
And perforative through-hole, and the inside of through-hole is fixedly installed connector, is connected between one end and catheter of the connector, institute
It states and is provided with the separating tube being connected to connector on the side outer wall of the separate connector of fixed plate, on the end of the separating tube
It is fixedly installed solenoid valve, corresponding position switch is provided on each solenoid valve, each separating tube goes out liquid
Mouthful position is respectively connected with the same elevator pump, and the top inside the sampling device has been bolted accumulator, it is described into
Sampling device is internally provided with the chromatographic column being connected to accumulator, and the bottom end of the chromatographic column, which is provided with, to be mounted in sampling device
The detector in portion is provided with fluorescence column in the detector, and waste liquid discharge is fixedly connected on the outer wall of the detector bottom
It manages, is connected with the recorder being fixed on the outer wall of sampling device side by data line on the outer wall of the detector side.
2. high-precision liquid chromatograph according to claim 1, which is characterized in that the outer wall of the accumulator bottom side
On be welded with riser, and the medium position of riser is provided with check valve, and the operative orientation of check valve is from bottom to top.
3. high-precision liquid chromatograph according to claim 1, which is characterized in that the centre of the accumulator top exterior walls
Position is provided with opening, and the inside being open is plugged with closure plug, is provided on the outer wall of accumulator top two sides arranged symmetrically
Stomata, and the inside of stomata is fixedly installed hard conduit, and the top of hard conduit is provided with air bag, the outer wall of air bag side
On scavenging air valve is installed.
4. high-precision liquid chromatograph according to claim 1, which is characterized in that the top of accumulator side outer wall
It is provided with intercommunicating pore with bottom, and the inside of intercommunicating pore is respectively and fixedly provided with glass tube, the one end of two glass tubes far from accumulator is solid
Surely there is the liquidometer being vertically arranged, liquidometer is using the penetrating glass material production of high pressure.
5. high-precision liquid chromatograph according to claim 1, which is characterized in that the accumulator uses closed knot
Structure.
6. high-precision liquid chromatograph according to claim 1, which is characterized in that the quantity of the position switch is four
It is a, and number consecutively is 1,2,3 and 4 to four position switch from top to bottom, four position switch pass through signal wire and corresponding electricity
It is electrically connected between magnet valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920159563.3U CN209640300U (en) | 2019-01-30 | 2019-01-30 | A kind of high-precision liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920159563.3U CN209640300U (en) | 2019-01-30 | 2019-01-30 | A kind of high-precision liquid chromatograph |
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| Publication Number | Publication Date |
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| CN209640300U true CN209640300U (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014551A (en) * | 2020-07-22 | 2020-12-01 | 四川科路泰交通科技有限公司 | Automatic selection control method and system for liquid storage tank for asphalt test |
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2019
- 2019-01-30 CN CN201920159563.3U patent/CN209640300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014551A (en) * | 2020-07-22 | 2020-12-01 | 四川科路泰交通科技有限公司 | Automatic selection control method and system for liquid storage tank for asphalt test |
| CN112014551B (en) * | 2020-07-22 | 2022-11-04 | 四川科路泰交通科技有限公司 | Automatic selection control method and system for liquid storage tank for asphalt test |
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