CN106770859B - Ultraviolet detector of high performance liquid chromatograph - Google Patents
Ultraviolet detector of high performance liquid chromatograph Download PDFInfo
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- CN106770859B CN106770859B CN201611148533.XA CN201611148533A CN106770859B CN 106770859 B CN106770859 B CN 106770859B CN 201611148533 A CN201611148533 A CN 201611148533A CN 106770859 B CN106770859 B CN 106770859B
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- liquid chromatograph
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- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract 2
- 238000004321 preservation Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Abstract
The invention relates to an ultraviolet detector of a high performance liquid chromatograph, which comprises a base (1), wherein a power panel (2) is arranged at the bottom of an inner cavity of the base (1), a radiator (4) and a transformer (5) are arranged on the power panel (2) of a left cavity (101), a cooling fan (6) is arranged on the left side surface of the base (1) corresponding to the radiator (4), a power socket (7) is arranged on the left side surface of the base (1) corresponding to the transformer (5), a lamp room (8) is arranged in a middle cavity (102), the lamp room (8) is separated from other parts of the middle cavity (102) by a partition board (9), a communication board (10) is arranged at the front end of a right cavity (103), and a monochromator (11) is arranged in the right cavity (103) close to the rear side of the communication board (10).
Description
Technical Field
The invention belongs to the technical field of material analysis instruments, and particularly relates to a low-noise high-performance liquid chromatograph ultraviolet detector with high signal-to-noise ratio.
Background
The ultraviolet-visible detector is a detector designed based on the principle that solute molecules absorb ultraviolet-visible light, namely when part of ultraviolet-visible light beams pass through the flow cell, if the mobile phase absorbs light, the absorbance is directly proportional to the concentration of light absorbing components and the optical path length of the flow cell. At present, the ultraviolet visible detector is the most widely applied detector, has the advantages of high sensitivity, low noise, wide linear range, insensitivity to flow rate and temperature and the like, and can be used for analysis, preparation chromatography and microanalysis. The flow cell of the ultraviolet visible detector is one of the core components of the detector, and the main function of the flow cell is to provide a passage for the intersection of light beams and mobile phases, so that the mobile phases with small pulsation are continuously irradiated by the ultraviolet visible partial light beams, and light absorption is generated, thereby realizing quantitative and qualitative analysis of various samples.
However, the existing ultraviolet detector of the high performance liquid chromatograph has the defects of large working noise and drifting caused by the defect of the whole structure, is greatly influenced by the environment and has poor anti-interference capability, so that the detection precision is reduced.
Disclosure of Invention
The invention aims at solving the technical defects of large noise and poor anti-interference capability of the existing ultraviolet detector of the high-performance liquid chromatograph, and provides the ultraviolet detector of the high-performance liquid chromatograph.
Technical proposal
In order to achieve the technical purpose, the ultraviolet detector of the high performance liquid chromatograph designed by the invention comprises a base and is characterized in that: the power panel is arranged at the bottom of the inner cavity of the base, a left cavity, a middle cavity and a right cavity are sequentially separated from left to right by using a baffle plate and a heat insulation plate in the inner cavity of the base, a radiator and a transformer are arranged on the power panel of the left cavity, a radiator fan is arranged on the left side surface of the base at a position corresponding to the radiator, a power socket is arranged on the left side surface of the base at a position corresponding to the transformer, a lamp chamber is arranged in the middle cavity and is separated from other parts of the middle cavity by using a baffle plate, a communication plate is arranged at the front end of the right cavity, a monochromator is arranged in the right cavity close to the rear side of the communication plate, and a power switch is arranged in the right cavity of the rear side surface of the monochromator;
the front side of the base at the front end of the left cavity is provided with heat dissipation holes, the front side of the base at the front end of the middle cavity is provided with heat dissipation meshes, and the right side of the base is provided with a control panel.
Further, the lamp room comprises a heat preservation box, a radiating fin is arranged on the upper surface of the heat preservation box, and the heat preservation box is of a double-layer heat insulation structure.
Further, the monochromator is arranged in an installation box body, the installation box body comprises an aluminum alloy framework inner layer and a plastic shell, and a gap layer is arranged between the aluminum alloy framework inner layer and the plastic shell.
Further, a main control board is arranged on the communication board.
Further, a heat radiation fan is arranged on the rear side surface at a position corresponding to the lamp room.
Advantageous effects
According to the ultraviolet detector of the high performance liquid chromatograph, provided by the invention, the structure of the existing ultraviolet detector of the high performance liquid chromatograph is improved, so that the anti-interference performance of the ultraviolet detector of the high performance liquid chromatograph is improved, the overall noise and drift are reduced, and the signal to noise ratio is improved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a schematic view of the structure of a lamp room in an embodiment of the invention.
Fig. 3 is a schematic structural view of the installation case according to the embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1-3, an ultraviolet detector of a high performance liquid chromatograph comprises a base 1, wherein a power panel 2 is arranged at the bottom of an inner cavity of the base 1, a left cavity 101, a middle cavity 102 and a right cavity 103 are sequentially separated from left to right by a baffle 2 and a heat insulation board 3 in the inner cavity of the base 1, a radiator 4 and a transformer 5 are arranged on the power panel 2 of the left cavity 101, a radiator fan 6 is arranged on the left side surface of the base 1 at a position corresponding to the radiator 4, a power socket 7 is arranged on the left side surface of the base 1 at a position corresponding to the transformer 5, a lamp chamber 8 is arranged in the middle cavity 102, the lamp chamber 8 is separated from other parts of the middle cavity 102 by a baffle 9, a communication board 10 is arranged at the front end of the right cavity 103, a monochromator 11 is arranged in the right cavity 103 close to the rear side of the communication board 10, and a power switch 12 is arranged in the right cavity 103 on the rear side surface of the monochromator 11;
The front side of the base 1 at the front end of the left chamber 101 is provided with a heat dissipation hole 104, the front side of the base 1 at the front end of the middle chamber 102 is provided with a heat dissipation mesh 13, and the right side of the base 1 is provided with a control panel 16.
The lamp room 8 comprises a heat preservation box 801, a radiating fin 802 is arranged on the upper surface of the heat preservation box 801, and the heat preservation box 801 is of a double-layer heat insulation structure.
The monochromator 11 is installed in a mounting box 14, the mounting box 14 comprises an aluminum alloy framework inner layer 1401 and a plastic shell 1402, and a gap layer 1403 is arranged between the aluminum alloy framework inner layer 1401 and the plastic shell 1402.
The communication board 10 is provided with a main control board 17.
A heat radiation fan 18 is installed on the rear side surface at a position corresponding to the lamp room 8.
The ultraviolet detector of the high performance liquid chromatograph designed by the embodiment improves the whole installation structure, enhances the heat insulation performance of equipment, improves the anti-interference performance, reduces the whole noise and drift, and further improves the signal to noise ratio.
The structures, proportions, sizes, etc. shown in the drawings of the present embodiment are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the invention, so that any structural modifications, proportional changes, or size adjustment should not be construed as essential to the invention, but should still fall within the scope of the invention as defined by the appended claims. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "anticlockwise" and the like are used in the present specification for convenience of description, and are not intended to limit the scope of the present invention, and the relative relation changes or modifications thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Claims (3)
1. The utility model provides a high performance liquid chromatograph ultraviolet detector, it includes base (1), its characterized in that: the power panel (2) is arranged at the bottom of an inner cavity of the base (1), a left cavity (101) is sequentially separated from left to right in the inner cavity of the base (1) by a baffle plate (15) and a heat insulation plate (3), a middle cavity (102) and a right cavity (103), a radiator (4) and a transformer (5) are arranged on the power panel (2) of the left cavity (101), a cooling fan (6) is arranged on the left side surface of the base (1) at a position corresponding to the radiator (4), a power socket (7) is arranged on the left side surface of the base (1) at a position corresponding to the transformer (5), a lamp room (8) is arranged in the middle cavity (102), the lamp room (8) is separated from other parts of the middle cavity (102) by a baffle plate (9), a communication plate (10) is arranged at the front end of the right cavity (103), a monochromator (11) is arranged in the right cavity (103) close to the rear side of the communication plate (10), and a power switch (12) is arranged in the right cavity (103) of the rear side surface of the monochromator (11);
The front side surface of the base (1) at the front end of the left cavity (101) is provided with a heat radiation hole (104), the front side surface of the base (1) at the front end of the middle cavity (102) is provided with a heat radiation mesh (13), and the right side surface of the base (1) is provided with a control panel (16);
The lamp room (8) comprises a heat preservation box (801), a radiating fin (802) is arranged on the upper surface of the heat preservation box (801), and the heat preservation box (801) is of a double-layer heat insulation structure;
and a heat dissipation fan (18) is arranged on the rear side surface of the base (1) at a position corresponding to the lamp room (8).
2. A high performance liquid chromatograph ultraviolet detector as set forth in claim 1, wherein: the monochromator (11) is arranged in the installation box body (14), the installation box body (14) comprises an aluminum alloy framework inner layer (1401) and a plastic shell (1402), and a gap layer is arranged between the aluminum alloy framework inner layer (1401) and the plastic shell (1402).
3. A high performance liquid chromatograph ultraviolet detector as set forth in claim 1, wherein:
The communication board (10) is provided with a main control board (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611148533.XA CN106770859B (en) | 2016-12-13 | Ultraviolet detector of high performance liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611148533.XA CN106770859B (en) | 2016-12-13 | Ultraviolet detector of high performance liquid chromatograph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106770859A CN106770859A (en) | 2017-05-31 |
| CN106770859B true CN106770859B (en) | 2024-06-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324466A (en) * | 2007-06-12 | 2008-12-17 | 上海欣茂仪器有限公司 | Single beam ultraviolet-visible spectrophotometer |
| CN204945106U (en) * | 2012-10-12 | 2016-01-06 | 珀金埃尔默保健科学公司 | Fluid sample analysis instrument |
| CN205246615U (en) * | 2015-11-11 | 2016-05-18 | 成都格莱精密仪器有限公司 | Ultraviolet detector |
| CN206411075U (en) * | 2016-12-13 | 2017-08-15 | 上海仪电分析仪器有限公司 | A kind of high performance liquid chromatograph UV-detector |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324466A (en) * | 2007-06-12 | 2008-12-17 | 上海欣茂仪器有限公司 | Single beam ultraviolet-visible spectrophotometer |
| CN204945106U (en) * | 2012-10-12 | 2016-01-06 | 珀金埃尔默保健科学公司 | Fluid sample analysis instrument |
| CN205246615U (en) * | 2015-11-11 | 2016-05-18 | 成都格莱精密仪器有限公司 | Ultraviolet detector |
| CN206411075U (en) * | 2016-12-13 | 2017-08-15 | 上海仪电分析仪器有限公司 | A kind of high performance liquid chromatograph UV-detector |
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|---|---|---|---|
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Haofei Inventor after: Li Tao Inventor after: Li Juan Inventor after: Yan Lijuan Inventor after: Hao Mingfu Inventor before: Chen Haofei Inventor before: Li Tao Inventor before: Li Juan |
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |