CN204374074U - Liquid absorbance proving installation - Google Patents
Liquid absorbance proving installation Download PDFInfo
- Publication number
- CN204374074U CN204374074U CN201520060996.5U CN201520060996U CN204374074U CN 204374074 U CN204374074 U CN 204374074U CN 201520060996 U CN201520060996 U CN 201520060996U CN 204374074 U CN204374074 U CN 204374074U
- Authority
- CN
- China
- Prior art keywords
- sample
- contacting face
- light
- sample contacting
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to a kind of liquid absorbance proving installation, comprising: comprise the first sample contacting face and the second sample contacting face that are oppositely arranged; Wherein, second sample contacts has part at least for reflecting surface facing to the side of the first sample contacting face, first sample contacts is provided with light outlets and daylight opening facing to the side of the second sample contacting face, and light outlets is used for sending test light, and daylight opening is used for collecting test light to be tested.Test that light path causes is inaccurate to avoid sample breakage in test process that impurity is entered, and improves measuring accuracy, make test repeatability better, and device structure is simple, test operation is easy.
Description
Technical field
The utility model belongs to fields of measurement, is specifically related to a kind of liquid absorbance proving installation.
Background technology
In traditional liquid absorbance measuring method, by test light once through liquid sample, by detecting test light through after sample and through the difference before sample, obtain the absorbance of sample.For micro-example, the general mode adopting stretching, by specimen holder between two clamping plates, tractive clamping plate, make liquid thickness increase, and to obtain enough light paths, ensure measuring accuracy.
The surface that this mode often causes liquid to be clipped between clamping plate is inner concave, and inner concave caves in sample interior, even if the contact angle of liquid and clamping plate is less than 90 degree, in test process, sample easily ruptures, and makes air or other impurity enter in the light path of test light, causes test inaccurate; Further, sample edge indent, makes samples vertical have the trend reduced in the cross section of light path, easily causes the cross section of test light hot spot to be greater than sample in cross section, and partial test light, through extrinsic region, is tested inaccurate.In addition, aforesaid way needs to arrange illuminator and lighting device respectively in the both sides of sample, causes testing apparatus complex structure, in disorder; On the other hand, repeated test or when testing multiple sample, needs to reinstall illuminator and lighting device, as long as illuminator or lighting device slightly misplace all to cause test result and have a strong impact in installation process, and test poor reproducibility.
Utility model content
Based on this, the utility model discloses a kind of liquid absorbance proving installation and liquid Absorbance Test Method, and test that light path causes is inaccurate to avoid sample breakage in test process that impurity is entered, and improves measuring accuracy, make test repeatability better, and device structure is simple, test operation is easy.
Its technical scheme is as follows:
A kind of liquid absorbance proving installation, comprises the first sample contacting face and the second sample contacting face that are oppositely arranged; Wherein, second sample contacts has part at least for reflecting surface facing to the side of the first sample contacting face, first sample contacts is provided with light outlets and daylight opening facing to the side of the second sample contacting face, and light outlets is used for sending test light, and daylight opening is used for collecting test light to be tested.
A kind of liquid Absorbance Test Method, comprise: liquid sample is clipped between the first sample contacting face and the second sample contacting face, light outlets sends test light, test light injects sample from the first sample contacting face, the reflecting surface arrived through sample the second sample contacting face, by reflective surface, again through sample, finally enter daylight opening on the first sample contacting face.
Wherein in an embodiment, also comprise: adjust the first sample contacting face, the first sample contacting face and the second sample contacting face are parallel to each other; Or/and, adjust the second sample contacting face, the first sample contacting face and the second sample contacting face are parallel to each other.
Wherein in an embodiment, also comprise: the angle adjusting the first sample contacting face and surface level, angular range is 0 degree to 360 degree; Or/and adjust the angle of the second sample contacting face and surface level, angular range is 0 degree to 360 degree.
Wherein in an embodiment, make the surface of specimen holder between the first sample contacting face and the second sample contacting face form outer convex surface, described evagination protrudes outside sample.
Wherein in an embodiment, also comprise: use pressurizing unit to extrude sample, and maintain this squeezed state in the light-struck process of sample acceptance test.
Wherein in an embodiment, described first sample contacting face and described second sample contacting face are parallel to each other.
Wherein in an embodiment, between described first sample contacting face and described second sample contacting face, be provided with transmittance plate.
Wherein in an embodiment, described daylight opening is at least two, and described light outlets is at least one, and light outlets described at least one is trapped among centre by least two described daylight openings; Or described light outlets is at least two, described daylight opening is at least one, and daylight opening described at least one is trapped among centre by least two described light outlets.
Wherein in an embodiment, also include emitting optical fiber and daylighting optical fiber, the end of described emitting optical fiber is fixedly connected with the end of described daylighting optical fiber, becomes as a whole probe, the section of described probe is described first sample contacting face, described emitting optical fiber end section is described light outlets, and described daylighting optical fiber connector section is described daylight opening.
Wherein in an embodiment, also comprise pressurizing unit, for the first sample contacting face or/and second sample contacting face apply pressure.
Below the advantage of technique scheme or principle are described:
1, liquid absorbance proving installation comprises the first sample contacting face and the second sample contacting face that are oppositely arranged, for placing liquid sample between the first sample contacting face and the second sample contacting face; First sample contacts is provided with light outlets and daylight opening facing to the side of the second sample contacting face, light outlets is used for sending test light, daylight opening is used for collecting test light to be tested, second sample contacts has part at least for reflecting surface facing to the side of the first sample contacting face, and reflecting surface is used for reflection measurement light;
When testing, liquid sample is clipped between the first sample contacting face and the second sample contacting face, light outlets sends test light, test light is injected sample, is arrived reflecting surface through sample, by reflective surface, again through sample, finally enter daylight opening, the absorbance parameter of the test light gain of parameter sample that test light parameter, the daylight opening that can send by contrasting light outlets collect;
Adopt the mode of reflection, once in test, test light passes twice through sample, under identical thickness of sample, test light light path doubles, test is more accurate, when testing micro liquid, even if the amount of sample seldom also can ensure measuring accuracy, no longer need tractive sample to increase light path, the surface of such sample, not to the trend of sample interior depression, is avoided sample to be pulled off and is split, and ensures the pure inclusion-free of light path of test light, test light, all the time through sample, makes that measuring accuracy is high, success ratio is high;
Further, the mode of reflection makes the amount of required sample under same test precision less, when particularly measuring micro liquid, can save precious sample, ensure measuring accuracy simultaneously; When the amount of sample is identical, the cross section of samples vertical light path can be larger, and can hold larger test hot spot, the luminous flux held under the same terms is larger, and measuring accuracy is higher;
In addition, light outlets and daylight opening are located at the same side of sample, are beneficial to the structure of simplification proving installation, reduce testing apparatus volume;
On the other hand, classic method is owing to adopting stretching mode, restricted to the surface tension properties of sample, can not test by the too small sample of effects on surface tension force, the utility model adopts reflection mode, do not need to stretch to sample, to the surface tension properties no requirement (NR) of sample surfaces, the scope of application is wider.
2, the first sample contacting face or the second sample contacting face is adjusted, first sample contacting face and the second sample contacting face are parallel to each other, distance between such first sample contacting face and the second sample contacting face is equal everywhere, the light path that test light passes twice through sample is the same, as long as the distance between one-shot measurement first sample contacting face and the second sample contacting face just can obtain light path, simplify the labour intensity of test, also avoid owing to reducing the inaccurate measuring accuracy that causes of the measurement of light path;
Further, repeatedly only the first sample contacting face and the second sample contacting face need be adjusted to during test and be parallel to each other, measure the spacing between the first sample contacting face and the second sample contacting face, easily control the light path of test light, improve the repeatability of test.
3, the surface of specimen holder between the first sample contacting face and the second sample contacting face is made to form outer convex surface, evagination protrudes outside sample, namely the contact angle of the contact angle of sample and the first sample contacting face, sample and the second sample contacting face is all greater than 90 degree, the surface tension of the outer convex surface of sample is tending towards sample to gather, do not exist in test process sample be stretched fracture risk, guarantee the stability of testing, significantly improve test success ratio; Also avoid impurity to enter in the light path of test light, improve the precision of test;
Preferably, adopt pressurizing unit to extrude sample, make sample complete the test of test light under pressure, when sample size seldom makes, sample can be made to sprawl come by extruding, increase can the light-struck useful area of acceptance test, improves measuring accuracy and success ratio; Further, by arranging different extruding forces, can adjust the degree that sample is extruded, arranging the light path of test light as required, can test for the amount of different samples, different sample, Test coverage is wide.
4, emitting optical fiber and daylighting optical fiber is also included, the end of emitting optical fiber is fixedly connected with the end of daylighting optical fiber, becomes as a whole probe, the section of probe is the first sample contacting face, and emitting optical fiber end section is light outlets, and daylighting optical fiber connector section is daylight opening; Sample can directly drop on probe section (namely the first sample contacting face), and apparatus structure is simple, just just can be tested the second sample contacting face by probe, not need the position readjusting light outlets and daylight opening, simple and convenient; Further, during mobile probe, light outlets and daylight opening move integrally, and do not need the position of debugging light outlets and daylight opening in addition, simple to operate, test repeatability good;
In addition, also comprise transmittance plate, transmittance plate is located between probe and the second sample contacting face, transmittance plate and the second sample contacting face clamped sample can be used, light outlets on sample and the first sample contacting face and daylight opening are kept apart by transmittance plate, avoiding sample contamination light outlets and daylight opening, can not produce and contact with each other by congener sample when testing different sample, avoid mutually polluting causing adverse effect to test accuracy; And, multiple transmittance plate and the second sample contacting face can be equipped with, multiple detected sample be clamped in advance between each self-corresponding transmittance plate and the second sample contacting face, make test piece, during test, only need change test piece, the absorbance of multiple sample can be tested fast, greatly improve testing efficiency.
5, the first sample contacting face is adjusted or/and the angle of the second sample contacting face and surface level, angular range is 0 degree to 360 degree, due to without the need to stretching to sample, can according to the restriction testing needs or test environment, the angle of any adjustment first sample contacting face or the second sample contacting face and surface level, test is flexible, widely applicable; Particularly, when the surface making specimen holder in the first sample contacting face and the second sample contacting face gap forms the outer convex surface protruded outside sample, more without the need to considering the risk that sample is pulled off, be more conducive to regulating different angles to test;
Especially, adjust the first sample contacting face and the second sample contacting face all and plane-parallel, liquid sample uniform spreading, on reflecting plate or transmittance plate, is avoided sample to be out of shape under gravity, is slided, have a negative impact to test.
6, described daylight opening is at least two, and described light outlets is at least one, and light outlets described at least one is trapped among centre by least two described daylight openings; Adopt multiple daylight opening around the mode of at least one light outlets, the test light making daylight opening more can collect light outlets to send, improve measuring accuracy; In like manner, described light outlets is at least two, and described daylight opening is at least one, and daylight opening described at least one is trapped among centre by least two described light outlets; Also can be test light scatter evenly, be beneficial to raising measuring accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one liquid absorbance proving installation;
Fig. 2 is the utility model embodiment two liquid Absorbance Test Method schematic diagram;
Fig. 3 is the utility model embodiment two liquid absorbance proving installation and Absorbance Test Method schematic diagram;
Fig. 4 is the structural representation of the utility model embodiment three liquid absorbance proving installation;
Fig. 5 is the utility model embodiment three liquid absorbance proving installation and Absorbance Test Method schematic diagram.
Description of reference numerals:
100, the first sample contacting face, 110, emitting optical fiber, 111, light outlets, 120, daylighting optical fiber, 121, daylight opening, 130, adapter sleeve, 200, expelling plate, the 210, second sample contacting face, 300, sample, 310, outer convex surface, 400, transmittance plate.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment one
As shown in Figure 1 and Figure 2, comprise illuminator and detecting device, illuminator has emitting optical fiber 110, detecting device has daylighting optical fiber 120, emitting optical fiber 110 end and daylighting optical fiber 120 end link as a whole probe by adapter sleeve 130, the section of probe is the first sample contacting face 100, and emitting optical fiber 110 end section is the light outlets 110 that test light sends; Daylighting optical fiber 120 end section is the daylight opening 121 that test light enters.
Reflecting plate 200 is the second sample contacting face 210, second sample contacting face 210 towards the one side of the first sample contacting face 100 is reflecting surface.
Sample 300 is clipped between the first sample contacting face 100 and the second sample contacting face 210, and sample 100 is clipped in the surface that sample 300 is clipped between the first sample contacting face 100 and the second sample contacting face 210 and forms outer convex surface 310, and outer convex surface 310 protrudes outside sample.
Light outlets 111, daylight opening 121 are just to reflecting surface, and the test light that light outlets 111 sends is reflexed to daylight opening 121 by reflecting surface.
First sample contacting face 100 is below the second sample contacting face 210.
When sample 300 is tested, comprise step:
A, on probe section, instill liquid sample 300, sample 300 covers light outlets 111 and daylight opening 121, covers reflecting plate 200, and sample 100 is clipped in the middle of the first sample contacting face 100 and the second sample contacting face 210;
B, pressurizing unit is used to apply pressure to probe or reflecting plate 200, adjust the first sample contacting face 100 and the second sample contacting face 210 is parallel to each other simultaneously, and all with plane-parallel, probe and reflecting plate 200 are inwardly extruded sample, the surface that sample 300 is clipped between the first sample contacting face 100 and the second sample contacting face 210 forms outer convex surface 310, outer convex surface 310 protrudes outside sample 300, even if the contact angle of sample 300 and the first sample contacting face 300, the contact angle of sample 300 and the second sample contacting face 210 is all greater than 90 degree, and this squeezed state is maintained in sample 300 acceptance test optical tests process,
C, illuminator send test light from light outlets, and test light is reflected by reflecting surface (i.e. the second sample contacting face) through after sample 300, again enter daylight opening through test light after sample 300, and the test light that daylight opening collects is received by detecting device and detects;
D, by comparing through before sample 300 and through the difference of the test light parameter after sample 300, obtain the absorbance of sample 300.
In the present embodiment, the test light that illuminator is launched is monochromatic light or polychromatic light, and wavelength coverage is 200nm to 2700nm.The test light that illuminator is launched is pulsed light or continuous light.
In the present embodiment, the distance of expelling plate and transmittance plate is 0.5mm to 1mm, and the amount of required sample is 1 μ L to 2 μ L.
Embodiment two
Embodiment two is with the difference of embodiment one:
As shown in Figure 3, transmittance plate 400 is had between first sample contacting face 100 and the second sample contacting face 210, sample 300 is clipped between transmittance plate 400 and the second sample contacting face 210, light outlets 110, daylight opening 120 directly do not contact sample 300, ensure the clean of light outlets 110 and daylight opening 120, convenient different samples to be tested.
Further, emitting optical fiber 110 and daylighting optical fiber 120 can be integrally fixed probe, also can be the forms that picture is separated mutually.
Embodiment three
Embodiment three is with the difference of embodiment one:
As shown in Figure 4,5, be provided with six roots of sensation daylighting optical fiber 120, six roots of sensation daylighting optical fiber 120 annular is uniformly distributed, emitting optical fiber 110 is trapped among centre, and the test light that emitting optical fiber 110 sends is gathered by all daylighting optical fiber 120 uniformly.
Especially, multiple daylighting optical fiber 120 can be set to and multiple emitting optical fiber 110 is trapped among centre; Or at least one daylighting optical fiber 120 is trapped among centre by multiple emitting optical fiber 110.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. a liquid absorbance proving installation, is characterized in that, comprises the first sample contacting face and the second sample contacting face that are oppositely arranged;
Wherein, second sample contacts has part at least for reflecting surface facing to the side of the first sample contacting face, first sample contacts is provided with light outlets and daylight opening facing to the side of the second sample contacting face, and light outlets is used for sending test light, and daylight opening is used for collecting test light to be tested.
2. liquid absorbance proving installation according to claim 1, is characterized in that, described first sample contacting face and described second sample contacting face are parallel to each other.
3. liquid absorbance proving installation according to claim 1, is characterized in that, is provided with transmittance plate between described first sample contacting face and described second sample contacting face.
4. liquid absorbance proving installation according to claim 1, it is characterized in that, described daylight opening is at least two, and described light outlets is at least one, and light outlets described at least one is trapped among centre by least two described daylight openings; Or described light outlets is at least two, described daylight opening is at least one, and daylight opening described at least one is trapped among centre by least two described light outlets.
5. according to the arbitrary described liquid absorbance proving installation of Claims 1-4, it is characterized in that, also include emitting optical fiber and daylighting optical fiber, the end of described emitting optical fiber is fixedly connected with the end of described daylighting optical fiber, becomes as a whole probe, the section of described probe is described first sample contacting face, described emitting optical fiber end section is described light outlets, and described daylighting optical fiber connector section is described daylight opening.
6. liquid absorbance proving installation according to claim 5, is characterized in that, also comprise pressurizing unit, for the first sample contacting face or/and second sample contacting face apply pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060996.5U CN204374074U (en) | 2015-01-28 | 2015-01-28 | Liquid absorbance proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060996.5U CN204374074U (en) | 2015-01-28 | 2015-01-28 | Liquid absorbance proving installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204374074U true CN204374074U (en) | 2015-06-03 |
Family
ID=53330284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520060996.5U Active CN204374074U (en) | 2015-01-28 | 2015-01-28 | Liquid absorbance proving installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204374074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596961A (en) * | 2015-01-28 | 2015-05-06 | 广州标旗电子科技有限公司 | Liquid absorbance testing device and method |
| CN105115897A (en) * | 2015-08-11 | 2015-12-02 | 中山大学 | Water body parameter measurement device and strong absorption liquid absorption coefficient measurement method |
-
2015
- 2015-01-28 CN CN201520060996.5U patent/CN204374074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596961A (en) * | 2015-01-28 | 2015-05-06 | 广州标旗电子科技有限公司 | Liquid absorbance testing device and method |
| CN105115897A (en) * | 2015-08-11 | 2015-12-02 | 中山大学 | Water body parameter measurement device and strong absorption liquid absorption coefficient measurement method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1975386B (en) | Multiple transmission-reflection measuring attachement for infrared spectrum instrument | |
| CN204374074U (en) | Liquid absorbance proving installation | |
| US20160266419A1 (en) | Test apparatus of a direct-light-type backlight module | |
| CN208013069U (en) | A kind of reflective measuring device of Terahertz | |
| CN104596961A (en) | Liquid absorbance testing device and method | |
| CN103323427A (en) | On-line self-calibration turbidity meter and turbidity detection method | |
| CN101261218A (en) | Textile optical performance parameter measuring equipment based on double-integrating-sphere | |
| CN103837229A (en) | Lamp illuminance detection tool and method | |
| CN106644204B (en) | Intensive toughened glass surface stress instrument | |
| CN102353526B (en) | Device and method for detecting uniformity of plate color glass filter | |
| CN212845040U (en) | Multi-wavelength colorimetric module with light convergence function | |
| CN203587222U (en) | A color photometer based on a uniform light tube uniform light source | |
| CN205262955U (en) | Infrared testing arrangement of attenuated total refraction | |
| CN214213501U (en) | Automatic centering mechanism of double-station mobile phone screen | |
| CN212228968U (en) | 32-channel full-automatic coagulation analyzer detection device | |
| CN203274913U (en) | Multi-channel optical radiation measurement device | |
| CN108871516B (en) | Full-automatic ice crystal collecting device for femtosecond laser induced snow | |
| CN209086142U (en) | The diamond detection device of more laser concurrent excitation simultaneously | |
| CN209166265U (en) | A kind of lens sizes rapid detection fixture | |
| CN218865762U (en) | Transmission measuring device | |
| CN104316465A (en) | Special cuvette for spectrometer monitoring luminous intensity in real time on line | |
| CN213279589U (en) | Transmissivity testing device | |
| CN205404085U (en) | Short range visibility meter LAMP POWER testing arrangement | |
| CN204116215U (en) | A kind of special cuvette of on-line real time monitoring luminosity spectroscope | |
| JP2018501476A (en) | Apparatus and method for performing light absorption measurement of a predetermined amount of sample under pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510663 Guangdong Guangzhou high tech Industrial Development Zone, Science City, Cai Fang Road No. 7 701 Patentee after: Guangzhou Standard Flag photoelectric technology development Limited by Share Ltd Address before: 510530 Guangzhou High-tech Industrial Development Zone, Guangzhou, Guangdong Province Patentee before: Guangzhou Biaoqi Electronic Technology Co., Ltd. |
|
| CP03 | Change of name, title or address |