CN215066387U - Liquid chromatograph - Google Patents
Liquid chromatograph Download PDFInfo
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- CN215066387U CN215066387U CN202121026585.6U CN202121026585U CN215066387U CN 215066387 U CN215066387 U CN 215066387U CN 202121026585 U CN202121026585 U CN 202121026585U CN 215066387 U CN215066387 U CN 215066387U
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Abstract
The utility model discloses a liquid chromatograph, wherein the chromatograph is arranged in a chromatograph frame, a sample taking device in the chromatograph comprises a liquid crystal controller, a sample chamber, an ultraviolet lamp arranged on the left side in the sample chamber, a sampling valve arranged on the inner wall of the upper end, an inclined sampling needle connected with the lower end of the sampling valve through an elastic hose, and an electric telescopic gas rod top end connected with the inclined sampling needle through a connecting rod; the right side wall of the sampler is provided with a rubber hole which is linearly parallel to the inclined sampling needle; during the sample operation, after starting the ultraviolet lamp operation of disinfecting through the liquid crystal display controller, the electronic flexible gas pole of control drives slope sampling needle to the gluey hole translation, passes gluey hole in proper order, purifies the face and pastes, locates the appearance bottleneck in the solid appearance box, starts to reset after the sample valve sample, the utility model discloses carry both beautifully and easily observe, possess the chromatograph of intelligent radiating chromatographic instrument frame simultaneously, can also guarantee simultaneously that it is pollution-free and high-efficient to take a sample the link sample.
Description
Technical Field
The utility model relates to a cosmetics intelligence check out test set technical field, in particular to liquid chromatograph.
Background
A chromatograph is an apparatus for performing chromatographic separation analysis. Modern chromatographs have the characteristics of high stability, sensitivity, versatility, high degree of automation and the like. There are gas chromatography, liquid chromatography, gel chromatography, and the like. These chromatographs are widely used for analyzing a certain content of a chemical product or a polymer material, and gel chromatography can also measure the molecular weight and distribution of the polymer material.
As a cosmetic production enterprise, the liquid stock solution which is researched, developed and configured has higher quality requirements, and a corresponding chromatograph needs to be customized and configured for real-time detection according to enterprise requirements.
However, the existing chromatograph has many problems when performing chromatographic analysis on liquid, and the first problem is that the temperature is increased due to untimely heat dissipation of machine operation, which affects the detection result; secondly, when the device is in operation, because the hoses for connecting the solvent bottle, the high-pressure pump, the sampler and the like do not have fixed guide routes, the appearance is influenced, the routes are easy to be unclear, the information is inconvenient to accurately observe and acquire, and the operation pressure of the high-pressure pump is increased, and the high-pressure pump needs to output higher pressure because of the bending of the hoses; the third sampling link is not basically performed in a closed sampler, and an external sample bottle is often manually placed in a sampling chamber for sampling in a matching manner, so that the sampling device in the sampling chamber is in contact with air to cause pollution, and the sampling causes pollution to the sample, thereby affecting the detection result; the fourth sampler often can carry out rotatory sample through device servo motor or motor, not only causes the temperature rise in the machine, still improves the machine cost, and the great stability that causes the sampling process of motor operation frequency of vibration is poor easily, influences the sample.
So need design a section urgently and carry not only beautifully and easily observe, possess the chromatograph of the radiating chromatographic instrument frame of intelligence simultaneously, can also guarantee simultaneously that it is pollution-free and high-efficient to take a sample in the sampling link.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a liquid chromatograph, accessible
The chromatographs are sequentially arranged on a chromatograph rack, and an exhaust fan is arranged on the chromatograph rack and can timely dissipate heat of the chromatographs, so that the inaccurate detection result caused by overhigh temperature of the chromatographs is avoided;
the rear end of the chromatographic instrument frame is vertically and symmetrically provided with a plurality of guide holes for fixedly guiding and penetrating through and connecting hoses for connecting a solvent bottle, a high-pressure pump, a sampler and the like, the vertically connected hoses not only enable the appearance to be neat and tidy, but also facilitate observation, if blockage occurs or the pressure is insufficient, the problem of what position can be seen at first time, and the vertically connected hoses enable high-pressure gas output by the high-pressure gas transmission pump to be smoother and oriented in place, so that the reduction of the operation efficiency caused by the fact that the required gas pressure needs to be higher due to the increase of the length of the hoses caused by the bay edge is avoided, and meanwhile, the working power of the pump is reduced, and the service life is prolonged;
in a specially-made sampler, ultraviolet irradiation operation is carried out in a closed sampling chamber, devices such as sampling instruments and the like in the sampling chamber are constantly guaranteed to be free from bacterial pollution, meanwhile, an inclined sampling needle which is inclined downwards 45 degrees to the horizontal plane is driven by an electric telescopic air rod to translate towards a rubber hole, the inclined sampling needle sequentially penetrates through the rubber hole, a purifying surface paste and a sample arranged in a sample fixing box, a sampling valve is started to provide pressure to suck the sample, the electric telescopic air rod resets after sampling, the sampling valve stops operating, the whole process is free from being contacted with the outside air, and pollution-free operation is guaranteed;
the external sample fixing box is used for fixedly sleeving the bottle to be sampled, and the sample fixing box and the bottleneck of the bottle to be sampled are stuck with the purifying surface paste, so that the inclined sampling needle passes through the purifying surface paste when passing through the rubber hole and then samples, the contact with air can be better ensured to be avoided, the inclined sampling needle can be wiped after sampling is finished, the sample residue is prevented from entering the sampling chamber, and the sticking mode can be flexibly replaced for multiple times to avoid secondary use pollution;
the shock-absorbing layer can be covered with an elastic rubber strip or an elastic net with an elastic structure, so that the noise generated by vibration is reduced during the operation of the chromatograph.
In order to solve the technical problem, the utility model discloses a technical scheme be: providing a liquid chromatograph, which comprises a chromatograph, wherein the chromatograph is arranged in a chromatograph frame and sequentially comprises a storage, a degasser, a high-pressure gas transmission pump, a sampler, a chromatographic column and an ultraviolet absorption detector from top to bottom;
the sampler comprises a liquid crystal controller and a sample inlet chamber;
an ultraviolet lamp is arranged on the left side in the sample injection chamber, a sampling valve is arranged on the inner wall of the upper end of the sample injection chamber, the lower end of the sampling valve is connected with an inclined sampling needle through an elastic hose, and the inclined sampling needle is connected with the top end of an electric telescopic air rod through a connecting rod;
the right side wall of the sampler is provided with a rubber hole which is linearly parallel to the inclined sampling needle;
a sample fixing box is arranged outside the rubber hole;
the inner side of the sample fixing box near the glue hole end is provided with a purifying surface paste;
during the operation of taking a sample, after the operation of starting ultraviolet lamp sterilization through the liquid crystal controller, control electronic flexible gas pole and drive slope sampling needle to the gluey hole translation, pass gluey hole in proper order, purify the face and paste, locate the appearance bottleneck in the solid appearance box, start the sample valve sample after the reduction.
Further, the inclined sampling needle is inclined at an angle of 45 degrees with the horizontal plane.
Further, the purification surface paste is connected with the solid sample box in a clamping and pasting mode.
Furthermore, the rubber hole is an elastic through hole, and a soft rubber penetrates through the right side wall of the sampler.
Further, the chromatography rack comprises several mounting rack layers.
Furthermore, the upper end of the mounting frame layer is provided with a bottle bayonet, the right end of the mounting frame layer is provided with an exhaust fan, and the lower end of the mounting frame layer is provided with a damping layer.
Furthermore, a plurality of guide holes are vertically and symmetrically arranged at the rear end of the mounting frame layer.
Drawings
Fig. 1 is an overall schematic diagram of a liquid chromatograph according to the present invention;
fig. 2 is a partial schematic view of the sampler of the present invention;
FIG. 3 is a schematic view of a portion of a chromatographic apparatus rack of the present invention;
a chromatograph 1; a memory 2; a deaerator 3; a high-pressure gas transmission pump 4; a sampler 5; a liquid crystal controller 501; an ultraviolet lamp 502; a sampling valve 503; an elastic hose 504; tilting the sampling needle 505; an electric telescopic air rod 506; a sample fixing box 507; a purifying surface patch 508; glue holes 509; a sampling chamber 510; a chromatographic column 6; an ultraviolet absorption detector 7; a chromatograph rack 8; a mounting layer 801; a pilot hole 802; a bottle bayonet 803; an exhaust fan 804; shock absorbing layer 805.
Detailed Description
Referring to fig. 1-3, the liquid chromatograph includes a chromatograph 1, the chromatograph 1 is disposed in a chromatograph frame 8, and the chromatograph 1 includes, from top to bottom, a memory 2, a degasser 3, a high-pressure gas transmission pump 4, a sampler 5, a chromatographic column 6, and an ultraviolet absorption detector 7;
the sampler 5 comprises a liquid crystal controller 501 and a sample chamber 510;
an ultraviolet lamp 502 is arranged on the left side in the sample chamber 510, a sampling valve 503 is arranged on the inner wall of the upper end of the sample chamber, the lower end of the sampling valve 503 is connected with an inclined sampling needle 505 through an elastic hose 504, and the inclined sampling needle 505 is connected with the top end of an electric telescopic air rod 506 through a connecting rod;
the right side wall of the sampler 5 is provided with a rubber hole 509 which is linearly parallel to the inclined sampling needle 505;
a sample fixing box 507 is arranged outside the glue hole 509;
the inner side of the sample fixing box 507 near the glue hole 509 is provided with a purifying surface paste 508;
during sampling operation, after the ultraviolet lamp 502 is started to sterilize through the liquid crystal controller 501, the electric telescopic air rod 506 is controlled to drive the inclined sampling needle 505 to translate towards the rubber hole 509, and the inclined sampling needle sequentially penetrates through the rubber hole 509, the purification surface sticker 508 and a sample bottle opening arranged in the sample fixing box 507, and the sampling valve 503 is started to reset after sampling.
Preferably, the angled sampling tip 505 is angled at 45 degrees from horizontal.
Preferably, the purifying surface patch 508 is connected with the sample fixing box 507 by a clamping and pasting mode.
Preferably, the glue hole 509 is an elastic through hole soft glue penetrating into the right side wall of the sampler 5.
Preferably, the chromatography apparatus rack 8 comprises several mounting rack layers 801.
Preferably, the upper end of the mounting frame layer 801 is provided with a bottle bayonet 803, the right end is provided with an exhaust fan 804, and the lower end is provided with a shock absorption layer 805.
Preferably, a plurality of guide holes 801 are vertically and symmetrically arranged at the rear end of the mounting frame layer 801.
For better statement the utility model discloses carry both beautifully and easily observe, possess the chromatograph of the radiating chromatographic instrument frame of intelligence simultaneously, can also guarantee simultaneously that it is pollution-free and high-efficient to take a sample in the sample link, state its theory of operation now in detail, as follows:
the storage 2, the degasser 3, the high-pressure gas transmission pump 4, the sampler 5, the chromatographic column 6 and the ultraviolet absorption detector 7 in the chromatograph 1 are sequentially arranged on a chromatograph frame 8, and an exhaust fan 804 arranged on the chromatograph frame 8 can timely dissipate heat of the chromatograph 1, so that inaccurate detection results caused by overhigh temperature of the chromatograph are avoided;
the rear end of the chromatographic instrument frame 8 is vertically and symmetrically provided with a plurality of guide holes 802 for fixedly guiding and penetrating through external connection hoses of a solvent bottle, a high-pressure gas transmission pump 4, a sampler 5 and the like which are connected with the storage 2, the hoses vertically connected through the guide holes 802 not only enable the appearance to be neat and tidy, but also facilitate observation, if blockage occurs or the pressure intensity is insufficient, the problem of what part can be seen at first time, the vertically connected hoses enable high-pressure gas output by the high-pressure gas transmission pump 4 to be smoother and oriented in place, the phenomenon that the working efficiency is reduced because the required length of the hose is increased due to the bay edge so that the required output air pressure is higher is avoided, the working power of the pump is reduced, and the service life of the pump is prolonged;
in a specially-made sampler 5, ultraviolet 502 is arranged in a closed sampling chamber 510 for ultraviolet irradiation operation, so that devices such as sampling instruments in the sampling chamber 510 are constantly prevented from bacterial pollution, meanwhile, an inclined sampling needle 506 inclined 45 degrees downwards to the horizontal plane is driven by an electric telescopic air rod 506, the inclined sampling needle 506 inclined 45 degrees can better suck samples, the force transmission mode of the electric telescopic air rod 506 is more stable and has low noise and instrument heat dissipation by using the transmission of a non-motor and a servo motor, the sample is translated to a rubber hole 509, sequentially passes through the rubber hole 509, a purifying surface paste 508 and a sample bottle opening arranged in a sample fixing box 507, a sampling valve 503 is started to provide pressure to suck samples, the electric telescopic air rod 506 is reset after sampling, the sampling valve 503 stops operating, and the whole process is free from contact with outside air, so that pollution-free operation is ensured;
the external sample fixing box 507 is used for fixedly sleeving a bottle to be sampled, and the sample fixing box 507 and a bottleneck of the bottle to be sampled are clamped and adhered with the purification surface paste 508, so that the inclined sampling needle 505 penetrates through the purification surface paste 508 when penetrating through the rubber hole 509 and then samples, contact with air can be better avoided, meanwhile, the inclined sampling needle 505 can be wiped after sampling, sample residues are prevented from entering the sampling chamber 510, and the clamping and adhering mode can be flexibly changed to avoid secondary use pollution;
after sampling in the sampler 5, the sample in the mobile phase is fused with the fixed phase solvent, then the sample enters the chromatographic column 6 through the high-pressure gas transmission pump 4, the operations such as adsorption, desorption, extraction, back extraction and the like of the substances are carried out in the chromatographic column 6, and finally the sample is converted into a digital signal through the operation of the ultraviolet detector 7 and displayed on an external display to obtain a detection result report.
Wherein, the shock-absorbing layer 805 can be covered with an elastic rubber strip or a net with an elastic structure, so that the noise generated by vibration is reduced during the operation of the chromatograph 1.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A liquid chromatograph comprises a chromatograph, and is characterized in that: the chromatograph is arranged in the chromatograph frame and sequentially comprises a storage, a degasser, a high-pressure gas transmission pump, a sampler, a chromatographic column and an ultraviolet absorption detector from top to bottom;
the sampler comprises a liquid crystal controller and a sample inlet chamber;
an ultraviolet lamp is arranged on the left side in the sample introduction chamber, a sampling valve is arranged on the inner wall of the upper end of the sample introduction chamber, the lower end of the sampling valve is connected with an inclined sampling needle through an elastic hose, and the inclined sampling needle is connected with the top end of an electric telescopic air rod through a connecting rod;
the right side wall of the sampler is provided with a rubber hole which is linearly parallel to the inclined sampling needle;
a sample fixing box is arranged outside the glue hole;
a purifying surface paste is arranged on the inner side of the sample fixing box close to the rubber hole end;
during sampling operation, after the ultraviolet lamp sterilization operation is started through the liquid crystal controller, the electric telescopic air rod is controlled to drive the inclined sampling needle to translate towards the rubber hole, the inclined sampling needle sequentially penetrates through the rubber hole, the purification surface paste and the sample bottle opening in the sample fixing box, and the sampling valve is started to reset after sampling.
2. The liquid chromatograph of claim 1, wherein the tilted sampling needle is tilted at a 45 degree angle from horizontal.
3. The liquid chromatograph of claim 1, wherein the purifying surface patch is attached to the sample fixation cassette by a snap-fit connection.
4. The liquid chromatograph of claim 1, wherein the glue hole is an elastic through hole and a soft glue is penetratingly disposed in the right sidewall of the sampler.
5. The liquid chromatograph of claim 1, wherein the chromatograph rack comprises a number of mounting rack layers.
6. The liquid chromatograph of claim 5, wherein the mounting frame layer has a bottle opening at an upper end, an exhaust fan at a right end, and a shock absorbing layer at a lower end.
7. The liquid chromatograph of claim 6, wherein the mounting frame layer has a plurality of guide holes disposed in a vertically symmetrical manner at a rear end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026585.6U CN215066387U (en) | 2021-05-13 | 2021-05-13 | Liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026585.6U CN215066387U (en) | 2021-05-13 | 2021-05-13 | Liquid chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215066387U true CN215066387U (en) | 2021-12-07 |
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ID=79216962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121026585.6U Active CN215066387U (en) | 2021-05-13 | 2021-05-13 | Liquid chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215066387U (en) |
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2021
- 2021-05-13 CN CN202121026585.6U patent/CN215066387U/en active Active
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