CN103389269A - Multifunctional optical detection flow cell device - Google Patents
Multifunctional optical detection flow cell device Download PDFInfo
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- CN103389269A CN103389269A CN2013103193389A CN201310319338A CN103389269A CN 103389269 A CN103389269 A CN 103389269A CN 2013103193389 A CN2013103193389 A CN 2013103193389A CN 201310319338 A CN201310319338 A CN 201310319338A CN 103389269 A CN103389269 A CN 103389269A
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Abstract
The invention relates to an optical detection device, and discloses a multifunctional optical detection flow cell device. The multifunctional optical detection flow cell device comprises an incident light path component, a liquid sample flow cell and a detection light path component. The multifunctional optical detection flow cell device is characterized in that the incident light path component comprises a light source (1), a pinhole filter (2), a collimating lens group (3) and a first light filter (4) which are connected in sequence; the detection light path component comprises a focusing lens group (5), a second light filter (42) and at least two optical fiber joints (6); the liquid sample flow cell comprises a glass flow cell (7) and a glass flow cell housing (8).
Description
Technical field
The present invention relates to a kind of optical detection apparatus, disclose a kind of multifunctional optical and detected flow cell device.
Background technology
Typical flow cell optics on-line detecting system comprises light that one or more wavelength can the be provided light source to the liquid sample in flow cell, and for detection of the Systems for optical inspection of light and sample interaction.According to test sample, multiple use is arranged: flow cell device is used for the uv-visible absorption spectra detection system, and what of content of material in detected sample are the different absorptivities of spectrum when detecting various wavelength incident be used for researching and analysing; Circulation detecting pool is used for the fluoroscopic examination of environment and biochemical analysis,, by detecting emitting fluorescence wavelength and intensity, realizes qualitative detection and the quantitative measurment of test sample component; Flow cell is used for biochemiluminescence, is the principle of linear quantitative relation under certain condition by the chemiluminescence intensity that detects testing concentration and system, utilizes chemiluminescence intensity to determine determinand content.
This type of on-line monitoring system, generally include light source, flow cell and photoelectric detector, and in design, and flow cell need be paid close attention to the drift value of testing result and to test sample sensitivity.Towards high flux and integrated direction development, the value volume and range of product of detected sample is also in continuous increase along with Instrument Design, and the application of on-line detecting system is also in continuous expansion.
At present, the flow cell commonly used of producing both at home and abroad, be single Functional Design, namely for absorption spectrum, fluorescence, biochemiluminescence, designs respectively, utilize optical fiber with the external light source signal leading in flow cell.This type of flow cell does not possess wavelength to be selected and light intensity adjusting device, for absorption spectrum, detects and fluoroscopic examination, needs to install optical filter and attenuator additional in the flow cell external circuits, is used for selecting lambda1-wavelength position and light intensity.Flow cell commonly used generally has individual interface, by optical fiber, detection signal is drawn, in the incoming light signal detecting device.Because difference detects light path optical signal detector difference used, such as spectrometer, photodiode, photomultiplier etc., flow cell also need to be for different detector design distinct interfaces.This type of flow cell project organization is comparatively simple, and the optical detection light path is very single, and the integrated design degree is lower, can not meet the different application demands that detect light path and multiple detection means.
Summary of the invention
The present invention is directed in prior art the optical detection light path single, can not meet the different shortcomings that detect the application demand of light paths and multiple detection means, provide a kind of multifunctional optical to detect flow cell device.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
Multifunctional optical detects flow cell device, comprises incident optical path component, fluid sample flow cell and detects optical path component, and it is characterized in that: the input path assembly comprises light source, pinhole filter, collimation lens set and the first optical filter that connects successively; Detect optical path component and comprise focus lens group, the second optical filter and at least 2 fibre-optical splices; The fluid sample flow cell comprises glass flow cell and glass flow cell shell.
As preferably, light source comprises lamp socket and is arranged on the lamp body of lamp socket inside, and lamp socket is provided with the segmentation step.The segmentation step can allow each installation can allow light source be fixed on same position.
As preferably, pinhole filter and the first optical filter are arranged on respectively on the first plugging member and the second plugging member.Pinhole filter and optical filter are arranged on plugging member and are convenient to change.
As preferably, the first plugging member and the second plugging member one side are provided with fixation spring tab.Fixation spring tab easy disassembly plugging member.
As preferably, the glass flow cell is rectangular configuration, is provided with four glass surfaces, comprises the collimating optics surface of upper and lower surface, the optical surface of left and right sides one side polishing.Four optical surfaces facilitate the optical signal detecting of all directions.
As preferably, two surfaces, glass flow cell shell up and down are provided with light hole.Light hole guarantees the unimpeded of light path, and is used for fixing and the cover glass flow cell.
As preferably, fibre-optical splice is arranged on input path direction and vertical incidence optical path direction.Multiple directions arrange fibre-optical splice, are convenient to various model interface and measure.
, as preferably, be provided with the second optical filter before fibre-optical splice.The second optical filter is removed the convenient detection of veiling glare.
As preferably, all parts are all detachably changed the internal optics assembly, and have location chucking design is arranged.Dismountable each position part, conveniently carry out various components and change.
The present invention, owing to having adopted above technical scheme, has significant technique effect: integrated level of the present invention is high, can select lambda1-wavelength position and light intensity according to different test sample, has a plurality of detection tabs, applicable multiple optical detection device.
Description of drawings
Fig. 1 is flow cell assembling schematic diagram of the present invention;
Fig. 2 is flow cell of the present invention lamp socket schematic diagram;
Fig. 3 is pinhole filter and the first optical filter plugging member texture edge schematic diagram;
Fig. 4 is Fig. 3 front schematic view;
Fig. 5 is the schematic diagram of collimation lens set and focus lens group in the present invention;
Fig. 6 is the schematic diagram of glass flow cell in the present invention;
Fig. 7 is the schematic diagram of glass flow cell shell mechanism in Fig. 5;
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein 1-light source, 2-pinhole filter, 3-collimation lens set, the 4-the first optical filter, 5-focus lens group, 6-fibre-optical splice, 7-glass flow cell, 8-glass flow cell shell, 9-lamp socket, 10-lamp body, the 11-the first plugging member, the 12-the second plugging member, 13-fixation spring tab, 14-light hole.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Embodiment 1
Multifunctional optical detects flow cell device, as shown in Figure 1, comprise incident optical path component, fluid sample flow cell and detect optical path component, it is characterized in that: the input path assembly comprises light source 1, pinhole filter 2, collimation lens set 3 and the first optical filter 4 that connects successively; Detect optical path component and comprise focus lens group 5, the second optical filter 42 and at least 2 fibre-optical splices 6; The fluid sample flow cell comprises glass flow cell 7 and glass flow cell shell 8, and each several part is all detachably changed the internal optics assembly, and has location chucking design is arranged.
Light source 1 comprises lamp socket 9 and the lamp body 10 that is arranged on lamp socket inside, and lamp socket 9 is provided with the segmentation step, is illustrated in figure 2 as flow cell of the present invention lamp socket 9 schematic diagram.This structure has the positioning step design, and after guaranteeing each the installation, light source is all in same position.
Pinhole filter 2 and the first optical filter 4 are arranged on respectively on the first plugging member 11 and the second plugging member 12, and two plugging member structures are identical, and Fig. 3, Fig. 4 are the second plugging member 11 structural representations.Pinhole filter 2 is used for reducing incident intensity, avoids overflow to cause that receiver is saturated, and these parts can be changed aperture size according to actual conditions.Plugging member 12 is used for selecting clamping the first optical filter 4, and these parts can be changed different centre wavelength optical filters according to actual test sample.
Fig. 5 is the schematic diagram of collimation lens set 3 and focus lens group 5 in the present invention.Collimation lens set is used for changing pin hole emergent light signal into approximate parallel optical signal, improves the light intensity utilization factor; Focus lens group is used for the emergent light signal focus surperficial to photo-detector, makes testing result more accurate.
Fig. 6 is the schematic diagram of glass flow cell 7 in the present invention.The glass flow cell is that upper and lower surface is the collimating optics surface, is used for the transmission incident optical signal to receiver, and in the middle of two parallel surfaces of glass flow cell up and down, a folded wherein side glass also is polished optical surface in addition, convenient sensed light signal in the vertical direction.
Fig. 7 is the schematic diagram of glass flow cell shell 8 structures.These two surfaces, structure up and down have light hole 14, guarantee the unimpeded of light path, and are used for fixing and the cover glass flow cell.
In sum, this flow cell can be selected lambda1-wavelength position and light intensity according to different test sample; For the difference of detection mode and sample, flow cell light signal exit end can access multiple optical detection device, is used for multiple optics on-line detecting system (as: absorption spectrum detection, fluoroscopic examination, biochemiluminescence detection etc.); On the fluid sample circulation path, detect light path and have different lengths, for example the path length road of 1mm and the path of 3mm, can meet the sample detection of high concentration, and have high sensitivity.This multifunctional optical that provides detects flow cell device, can make up existing design defect, improves device integration, meets the different application demands that detect light path and multiple detection means.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (10)
1. multifunctional optical detects flow cell device, comprise incident optical path component, fluid sample flow cell and detect optical path component, it is characterized in that: the input path assembly comprises light source (1), pinhole filter (2), collimation lens set (3) and the first optical filter (4) that connects successively; Detect optical path component and comprise at least 2 fibre-optical splices (6); The fluid sample flow cell comprises glass flow cell (7) and glass flow cell shell (8).
2. multifunctional optical according to claim 1 detects flow cell device, it is characterized in that: detect optical path component and also comprise focus lens group (5) and the second optical filter (42).
3. multifunctional optical according to claim 1 detects flow cell device, it is characterized in that: light source (1) comprises lamp socket (9) and is arranged on the lamp body (10) of lamp socket inside, and lamp socket (9) is provided with the segmentation step.
4. multifunctional optical according to claim 1 detects flow cell device, and it is characterized in that: pinhole filter (2) and the first optical filter (4) are arranged on respectively on the first plugging member (11) and the second plugging member (12).
5. multifunctional optical according to claim 4 detects flow cell device, and it is characterized in that: the first plugging member (11) is identical with the second plugging member (12) structure, and a side is provided with fixation spring tab (13).
6. multifunctional optical according to claim 1 detects flow cell device, it is characterized in that: glass flow cell (7) is rectangular configuration, be provided with four glass surfaces, comprise collimating optics surface, up and down and left and right sides, left and right sides one side is finished to optical surface.
7. multifunctional optical according to claim 1 detects flow cell device, it is characterized in that: two surfaces, glass flow cell shell (8) up and down are provided with light hole (14).
8. multifunctional optical according to claim 1 detects flow cell device, and it is characterized in that: fibre-optical splice (6) is arranged on input path direction and vertical incidence optical path direction.
9. multifunctional optical according to claim 8 detects flow cell device, and it is characterized in that: fibre-optical splice (6) is provided with the second optical filter (42) before.
10. multifunctional optical according to claim 1 detects flow cell device, and it is characterized in that: all parts are all detachably changed the internal optics assembly, and has location chucking design is arranged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103193389A CN103389269A (en) | 2013-07-25 | 2013-07-25 | Multifunctional optical detection flow cell device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103193389A CN103389269A (en) | 2013-07-25 | 2013-07-25 | Multifunctional optical detection flow cell device |
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| CN103389269A true CN103389269A (en) | 2013-11-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064032A (en) * | 2017-04-12 | 2017-08-18 | 江苏农牧科技职业学院 | A kind of liquid concentration measuring device and method |
| CN113671098A (en) * | 2020-05-13 | 2021-11-19 | 上海伍丰科学仪器有限公司 | Flow cell component for liquid chromatograph fluorescence detector |
| CN116359132A (en) * | 2023-05-19 | 2023-06-30 | 无锡迅杰光远科技有限公司 | Multifunctional on-line spectrum acquisition device |
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| CN1815218A (en) * | 2006-02-15 | 2006-08-09 | 厦门大学 | Ultraviolet-ray visible absorbing/fluorescent dual-purpose flow cell |
| CN2811989Y (en) * | 2005-07-08 | 2006-08-30 | 中国科学院大连化学物理研究所 | Fluorescent detection pool for micro-liquid phase flow analysis system |
| CN101776574A (en) * | 2010-02-09 | 2010-07-14 | 新疆医科大学 | Flow cell device suitable for synchronous on-line detection of absorption spectrum and fluorescence spectrum |
| CN101782587A (en) * | 2010-03-10 | 2010-07-21 | 新疆医科大学 | Instrument system suitable for synchronous on-line detection of adsorption spectrum and fluorescence spectrum |
| CN201637663U (en) * | 2010-02-09 | 2010-11-17 | 新疆医科大学 | Flow-through cell |
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2013
- 2013-07-25 CN CN2013103193389A patent/CN103389269A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2811989Y (en) * | 2005-07-08 | 2006-08-30 | 中国科学院大连化学物理研究所 | Fluorescent detection pool for micro-liquid phase flow analysis system |
| CN1815218A (en) * | 2006-02-15 | 2006-08-09 | 厦门大学 | Ultraviolet-ray visible absorbing/fluorescent dual-purpose flow cell |
| CN101776574A (en) * | 2010-02-09 | 2010-07-14 | 新疆医科大学 | Flow cell device suitable for synchronous on-line detection of absorption spectrum and fluorescence spectrum |
| CN201637663U (en) * | 2010-02-09 | 2010-11-17 | 新疆医科大学 | Flow-through cell |
| CN101782587A (en) * | 2010-03-10 | 2010-07-21 | 新疆医科大学 | Instrument system suitable for synchronous on-line detection of adsorption spectrum and fluorescence spectrum |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064032A (en) * | 2017-04-12 | 2017-08-18 | 江苏农牧科技职业学院 | A kind of liquid concentration measuring device and method |
| CN113671098A (en) * | 2020-05-13 | 2021-11-19 | 上海伍丰科学仪器有限公司 | Flow cell component for liquid chromatograph fluorescence detector |
| CN116359132A (en) * | 2023-05-19 | 2023-06-30 | 无锡迅杰光远科技有限公司 | Multifunctional on-line spectrum acquisition device |
| CN116359132B (en) * | 2023-05-19 | 2023-08-15 | 无锡迅杰光远科技有限公司 | Multifunctional on-line spectrum acquisition device |
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Application publication date: 20131113 |