CN113092393B - Light directional filtering type photometer and application thereof in drug compatibility monitoring - Google Patents
Light directional filtering type photometer and application thereof in drug compatibility monitoring Download PDFInfo
- Publication number
- CN113092393B CN113092393B CN202110307276.4A CN202110307276A CN113092393B CN 113092393 B CN113092393 B CN 113092393B CN 202110307276 A CN202110307276 A CN 202110307276A CN 113092393 B CN113092393 B CN 113092393B
- Authority
- CN
- China
- Prior art keywords
- light
- monitoring
- fixed
- directional filter
- center
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a light directional filtering type photometer and application thereof in drug compatibility monitoring, comprising a light directional filtering pipe, a sighting component and a mounting bracket, wherein the light directional filtering pipe is fixed on the mounting bracket, the sighting component is fixed on the light directional filtering pipe, the light directional filtering pipe is used for filtering interference light in monitoring light, and a grating component is fixed in the light directional filtering pipe; the aiming component is used for aiming the monitoring light source, so that monitoring light emitted by the monitoring light source is emitted into the light measuring sensor along a central light path formed by the center of the light shield, the center of the aperture hole and the center of the grating hole, and the mounting bracket is used for supporting the light directional filter tube, so that the incidence stability of the monitoring light is ensured. The sighting type photometer can aim at a monitoring light source, allows measuring light rays emitted by the monitoring light source to smoothly pass through and filter other interference light rays, prevents the influence of the change of the intensity of the interference light rays on the change of the illumination intensity of the measuring light rays, and improves the monitoring precision.
Description
Technical Field
The invention relates to the technical field of optical measurement, in particular to a light directional filtering type photometer and application thereof in drug compatibility monitoring.
Background
When two or more liquids are mixed, the liquid phase mixture is saturated with the mixture, solid phase substances are separated out, or new insoluble substances are generated, and the critical point concentration is the drug compatibility concentration. To measure the compatible concentration of different drugs, it is necessary to accurately measure when solid phase substances are generated, and in the traditional drug compatible concentration monitoring test, an inspector needs to judge under what conditions the solid phase substances are precipitated according to naked eyes, while the resolution of naked eyes is insufficient and under the influence of external light, a great error exists according to manual judgment of the drug compatible concentration.
Lambert's law states that when a beam of monochromatic light passes through a uniform solution, the wavelength of incident light is fixed, the absorbance of the solution to be measured is proportional to its concentration and the thickness of the liquid layer, inversely related to the transmittance of the solution. The lambert beer law provides an optical theoretical basis for the measurement of the concentration of the developed drug compatibility, and according to the lambert beer law, the concentration value of the drug compatibility can be obtained by monitoring the change of the illuminance of the monochromatic light passing through the solution and the change of the illuminance of the monochromatic light before and after the solid phase precipitate appears when two or more solutions are mixed, the original light transmission condition is changed at the moment when the solid phase precipitate appears. However, to obtain accurate measurement results based on this conclusion, it is necessary to exclude the influence of other light outside the measurement system on monochromatic light passing through the solution. The current test of the light intensity is carried out in a darkroom environment, the test condition forms great constraint on the detection test of the drug compatibility concentration carried out by clinical medical detection personnel, the wide development of the drug compatibility concentration test in hospitals at different levels is limited, and great inconvenience is brought to the majority of medical workers.
Disclosure of Invention
In order to solve the technical problems, the invention designs the light directional filtering type light detector which allows the monitoring light emitted by the monitoring light source to smoothly pass through, and the interference light which is emitted by other interference light sources and is not coaxial with the monitoring light source is completely filtered, so that the influence of the change of the intensity of the interference light on the illumination intensity change of the monitoring light is prevented, and the influence of the interference light on the monitoring of the drug compatibility concentration is further prevented so as to influence the accuracy of the monitoring of the drug compatibility concentration.
In order to achieve the technical effects, the invention is realized by the following technical scheme:
the light directional filter type photometer comprises a light directional filter pipe, a sighting component and a mounting bracket, wherein the light directional filter pipe is fixed on the mounting bracket, the sighting component is fixed on the light directional filter pipe,
the light directional filter tube is used for filtering and monitoring interference light in the light, a grating component is fixed in the light directional filter tube and consists of a longitudinal grating sheet and a transverse grating sheet, the transverse grating sheet is matched with the light directional filter tube, a plurality of transverse grating sheets are coaxially arranged and separated by an axial distance by the longitudinal grating sheet, a grating hole is formed in the center of each transverse grating sheet, a diaphragm seat is fixed on the transverse grating sheet at the end part of the grating component, an adjustable diaphragm sheet is hinged below the diaphragm seat, a plurality of circular diaphragm holes with different diameters are formed in the adjustable diaphragm sheet, a light shielding cover is fixed on the diaphragm seat, and the center of the light shielding cover, the center of the diaphragm hole and the center of the grating hole are coaxial;
the sighting component is used for sighting the monitoring light source, so that the monitoring light emitted by the monitoring light source is emitted into and directly reaches the photometry sensor along a central light path formed by the center of the shade, the center of the aperture hole and the center of the grating hole, and comprises a photometry sensor support and a light source mounting support, wherein the photometry sensor support is fixed at the tail end of the light directional filtering photometer;
the mounting bracket is used for supporting the light directional filter pipe and adjusting the vertical height of the light directional filter pipe, so as to ensure the incidence stability of monitoring light, and the light directional filter type light meter adjusting bracket comprises a counterweight base, wherein the light directional filter type light meter adjusting bracket is fixed on the counterweight base, the light directional filter type light meter adjusting bracket is provided with a monitoring instrument fixing bracket, the light directional filter type light meter can move up and down on the light directional filter type light meter adjusting bracket and is fixed on the light directional filter type light meter adjusting bracket through bolts, the monitoring instrument is fixed on the monitoring instrument fixing bracket, and the monitoring instrument fixing bracket can move on the light directional filter type light meter adjusting bracket and is fixed on the light directional filter type light meter adjusting bracket through bolts.
Further, the grating holes of the diaphragm grating sheet are special-shaped holes or round holes with knife edges, and the diameters of the grating holes are matched with the diameters of the light receiving holes of the selected photometry sensors.
Further, the light directional filtering type light meter adjusting support comprises a pair of vertical supporting plates, the vertical supporting plates are groove-shaped plates, the tops of the pair of vertical supporting plates are fixedly provided with horizontal supporting plates, the vertical supporting plates are provided with second sliding rails and third sliding rails, the light directional filtering type light meter can move up and down along the vertical supporting plates and is locked on the second sliding rails and the third sliding rails through bolts, and 2 bolt holes are formed in the front wing plates of each vertical supporting plate.
Further, the monitoring instrument fixing support comprises a multi-hole fixing plate, lifting adjusting plates are respectively fixed on two sides of the multi-hole fixing plate, each lifting adjusting plate is a groove-shaped plate, a fourth sliding rail and a fifth sliding rail are respectively arranged on each lifting adjusting plate, the lifting adjusting plates can move up and down along the front wing plate of the vertical supporting plate, and the fourth sliding rail and the fifth sliding rail are respectively locked at 2 bolt holes of the vertical supporting plate through bolts.
Further, the width of the front wing plate of the vertical supporting plate is larger than that of the rear wing plate.
The application of the light directional filter type photometer in drug compatibility concentration monitoring.
The beneficial effects of the invention are as follows: 1. the light directional filtering type light measurer can aim at a monitoring light source, allows the monitoring light emitted by the monitoring light source to smoothly pass through, and completely filters out the interference light which is emitted by other interference light sources and is not coaxial with the monitoring light source, so that the influence of the change of the intensity of the interference light on the illumination intensity change of the monitoring light is prevented, and further the influence of the interference light on the monitoring of the drug compatibility concentration is prevented so as to influence the accuracy of the monitoring of the drug compatibility concentration.
2. The light directional filter type photometer fixing support can aim at the monitoring light source to ensure that the monitoring light is directly led into the light directional filter type photometer and directly led into the photometer sensor through the central light path.
3. The mounting bracket provided by the invention ensures that the monitoring light rays vertically penetrate into the vessel containing the solution to be tested and ensures the incidence stability of the monitoring light rays, and meanwhile, the mounting bracket can be adjusted according to the actual mounting requirement, thereby meeting the adjustment requirement of a test.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a light ray directional filter type photometer;
FIG. 2 is a schematic view of a light filtering assembly;
FIG. 3 is a block diagram of an assembly of an aiming assembly and a light ray directing filter;
FIG. 4 is a schematic view of the structure of a photometric sensor holder;
FIG. 5 is a schematic view of the assembled structure of the mounting bracket;
FIG. 6 is a schematic view of the structure of a light-directing filter-type photometer adjustment holder;
FIG. 7 is a schematic structural view of a monitor mounting bracket;
FIG. 8 is a block diagram of an assembly of a light ray directing filter, an aiming assembly and a mounting bracket;
fig. 9 is a schematic diagram of the working principle of the light directional filter type photometer.
In the drawings, the list of components represented by the various numbers is as follows:
the device comprises a 1-ray directional filter tube, a 2-light shield, a 3-photometry sensor support, a 4-sliding connector, a 5-bolt hole, a 6-longitudinal grating sheet, a 7-transverse grating sheet, an 8-grating hole, a 9-aperture seat, a 10-adjustable aperture sheet, an 11-aperture hole, a 12-shading incident cylinder, a 13-aiming sight, a 14-cantilever arm, a 15-first slide rail, a 16-light source clamping sleeve, a 17-counterweight base, a 18-vertical support plate, a 19-monitoring instrument fixing support, a 20-front wing plate, a 21-rear wing plate, a 22-second slide rail, a 23-third slide rail, a 24-horizontal support plate, a 25-multi-channel fixing plate, a 26-sensor fixing pore channel, a 27-lifting adjusting plate, a 28-fourth slide rail, a 29-fifth slide rail, a 30-monitoring instrument, a 31-temperature control beaker, a 32-laser light source and a 33-electromagnetic stirrer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, the light directional filter type photometer comprises a light directional filter pipe 1, wherein the light directional filter pipe 1 is an impermeable pipe, a light filtering component is fixed in the light directional filter pipe 1, a photometry sensor bracket 3 is fixed at the rear end of the light directional filter type photometer, a sighting device 13 is arranged on the photometry sensor bracket 3, the light filtering component consists of a longitudinal grating sheet 6 and a plurality of transverse grating sheets 7, the longitudinal grating sheet and the transverse grating sheet are made of matte materials, the transverse grating sheets are matched with the light directional filter pipe, each transverse grating sheet is separated by an axial distance by the longitudinal grating sheet, a circular grating hole 8 is formed in the center of each transverse grating sheet 7, an aperture seat 9 is fixed on the transverse grating sheet at the end part of the light filtering component, an arc-shaped rotating groove is formed on the transverse grating sheet at the end part of the light filtering component, an adjustable aperture sheet 10 is eccentrically arranged, the edge of the adjustable aperture sheet 10 is contacted with the groove wall of the arc-shaped rotating groove, the adjustable aperture sheet 10 is provided with a plurality of aperture holes 11 with different diameters, and the adjustable aperture 11 with proper light quantity can enter into the practical light pipe 1 according to the requirement; the circle centers of a plurality of the diaphragm holes fall on the same circumference, the adjustable diaphragm sheets 10 can rotate on the diaphragm grating sheets, so that one diaphragm hole 11 can be coaxial with the center of the grating hole 8 after rotation adjustment, a light shield is fixed on the diaphragm seat 9, and the light shield 2 shields the adjustable diaphragm sheets 10.
In this embodiment, the grating hole of the diaphragm grating sheet is a special-shaped hole or a round hole with a knife edge, the central hole of the grating is designed into a knife edge shape to avoid any total reflection on the central passage, and the small-angle filtered light enters the rear-stage grating to be attenuated in parallel for multiple times, so that the purpose of sufficiently removing ambient stray light is achieved, and the diameter of the grating hole is matched with the diameter of the light receiving hole of the selected photometry sensor.
In this embodiment, the two sides of the light directional filter tube 1 are symmetrically fixed with sliding connectors 4, the sliding connectors are a groove-shaped plate, 2 bolt holes 5 are formed in the groove-shaped plate, and the 2 bolt holes are all located on the central axis of the groove-shaped plate.
As shown in fig. 3-4, the light source mounting bracket is fixed on the sliding connecting piece 4 at one side of the light directional filtering type light measuring device, an outlet hole is formed in the center of the light measuring sensor bracket 3, an aiming sight 13 is arranged in the outlet hole, the light source mounting bracket consists of a fixed connecting part, a cantilever arm 14 and a light source clamping sleeve 16, the fixed connecting part is fixed on the sliding connecting piece 4, the light source clamping sleeve 16 can slide back and forth on the cantilever arm to adjust the distance between the light source and the light directional filtering type light measuring device, and the center of the light source clamping sleeve 16, the center of the shading incident cylinder 12, the center of the aperture hole 11, the center of the grating hole 8 and the center of the outlet hole are coaxial.
In this embodiment, the cantilever arm 14 is a slot-shaped plate, the front end of the cantilever arm 14 is provided with a first slide rail 15, the light source clamping sleeve is clamped between the upper wing plate and the lower wing plate of the cantilever arm, and the threaded rod on the light source clamping sleeve extends from the first slide rail and is locked by a nut.
As shown in fig. 5-7, the invention also discloses a mounting bracket, the mounting bracket comprises a counterweight base 17, the counterweight base 17 can adopt a plumbum plate, a light directional filter type photometer adjusting bracket is fixed on the counterweight base 17, a monitoring instrument fixing bracket 19 is arranged on the light directional filter type photometer adjusting bracket, the light directional filter type photometer can move up and down on the light directional filter type photometer adjusting bracket and is fixed on the light directional filter type photometer adjusting bracket through bolts, the monitoring instrument is fixed on the monitoring instrument fixing bracket 19, and the monitoring instrument fixing bracket 19 can move up and down on the light directional filter type photometer adjusting bracket and is fixed on the light directional filter type photometer adjusting bracket through bolts.
In this embodiment, the light directional filter-type light meter adjusting bracket includes a pair of vertical support plates 18, the vertical support plates 18 are a trough plate, the top of the pair of vertical support plates 18 is fixed with a horizontal support plate 24, the vertical support plates 18 are provided with a second slide rail 22 and a third slide rail 23, the light directional filter-type light meter can move up and down along the vertical support plates 18 and be locked on the second slide rail 22 and the third slide rail 23 through bolts, and the second slide rail 22 and the third slide rail 23 can ensure the light directional filter-type light meter to translate up and down, so as to prevent the light directional filter-type light meter from rotating and failing a light measurement test; each of the vertical support plates has 2 bolt holes formed in the front wing plate 20.
In this embodiment, the monitoring instrument fixing support 19 include the porous fixed plate 25, the both sides of porous fixed plate 25 are fixed with a lift adjusting plate 27 respectively, lift adjusting plate 27 is the trough plate, all open fourth slide rail 28 and fifth slide rail 29 on every lift adjusting plate 27, lift adjusting plate can follow the front wing board of vertical support board and reciprocate, fourth slide rail and fifth slide rail lock in 2 bolt holes departments of vertical support board respectively through a bolt, the dual setting of fourth slide rail 28 and fifth slide rail 29 can guarantee that monitoring instrument fixing support 19 takes place the translation in the vertical direction, has guaranteed the stability when monitoring instrument removes, and the resistance to plucking is better, prevents that monitoring instrument fixing support upper end from taking place the anteversion.
In this embodiment, the width of the front wing plate 20 of the vertical support plate is larger than the width of the rear wing plate 21, so that materials can be saved, and the vertical rigidity of the front wing plate 20 to the monitoring instrument fixing bracket 19 can be ensured.
As shown in fig. 9, the stray light shielding principle of the light directional filter type photometer is as follows: the adjustable aperture plate 10 arranged at the front of the light directional filter type photometer only allows the light entering the central light passage of the light directional filter tube 1 to directly reach the photometer sensor fixed on the photometer sensor bracket 3 at the tail end, the aiming sight 13 is arranged between the photometer sensors, the aiming sight 13, the aperture 11, the grating 8 and the laser source 32 are in a multi-point line by aiming, and the photometer sensor is arranged at the aiming sight 13 after aiming, so that the aiming gun type light directional filter type photometer can be formed, and the actual illuminance from any light source to the sensor can be measured. All stray light entering the light directional filter tube 1 from the aperture hole 11 outside the central passage can only reach the light filtering component of the light directional filter type light measuring device, and the stray light can not reach the light measuring sensor due to repeated reflection and attenuation on the sub-light surfaces of the longitudinal grating sheet 6 and the transverse grating sheet 7, and the grating hole 8 with the knife edge on the transverse grating sheet 7 can avoid any reflection on the central light path, so that the aim of fully removing the ambient stray light is fulfilled.
As shown in fig. 8, the assembly structure of the light directional filter type photometer and the mounting bracket is applied to the determination of the drug compatibility concentration:
assembling a photometry sensor bracket 3 and a light source aiming bracket on a light ray directional filtering type photometer, locking a sliding connecting piece 4 of the light ray directional filtering type photometer on a second sliding rail 22 and a third sliding rail 23 of a vertical supporting plate 18 respectively through bolts, locking two lifting adjusting plates 2 of a monitoring instrument fixing bracket 19 on a front wing plate 20 of the vertical supporting plate 18 respectively through bolts, and respectively opening a bolt hole on the upper side and the lower side of the front wing plate 20, wherein the two bolt holes are used for locking a fourth sliding rail 28 and a fifth sliding rail 29 respectively through a bolt; after the assembly is completed, placing the temperature control beaker 31 on the electromagnetic stirrer 33 and on one side of the counterweight base 17 together, wherein the temperature control beaker 31 is positioned between the light source clamping sleeve 16 and the shading incident cylinder 12 of the shading cover, the position of the light directional filter tube 1 is adjusted up and down to a reasonable height, the light source aiming bracket moves along with the up and down movement of the light directional filter tube 1, and after the position of the light directional filter type photometer cylinder 1 is adjusted, the light source clamping sleeve 16 of the light source aiming bracket is slid to enable the laser light source 32 and the temperature control beaker 31 to reach a proper light emission distance; the monitoring instrument 30 and the laser light source 32 are respectively fixed on the multi-hole fixing plate 25 and the light source clamping sleeve 16, and the monitoring instrument fixing bracket 19 is moved up and down to adjust the monitoring instrument and the temperature control beaker 31 to a proper height; at this time, the center of the laser light source 32, the shading incident cylinder 12, the aperture hole 11, the grating hole 8 and the aiming sight 13 form a central light path, the laser emitted by the laser light source 32 passes through the temperature control beaker 31 and then directly reaches the photometry sensor along the central light path, and the monitoring light emitted by the monitoring light source directly reaches the photometry sensor fixed on the aiming photometry sensor fixing bracket through the central light path; the interference light emitted by the interference light source which is not coaxial with the monitoring light source is incident to the light filtering component in the light directional filtering pipe through the light shield, and the interference light is attenuated through multiple reflection on the sub-light surfaces of the longitudinal grating sheet and the transverse grating sheet so as not to reach the light measuring sensor fixed on the aiming light measuring sensor fixing support, so that the filtering of the interference light is completed. When solid phase precipitate exists in the medicine solution in the temperature control beaker 31, the transmittance of the medicine solution is changed instantaneously, and the illumination intensity received by the light measuring sensor is changed, so that the medicine compatibility concentration is measured.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The light directional filter type photometer is characterized by comprising a light directional filter pipe, a sighting component and a mounting bracket, wherein the light directional filter pipe is fixed on the mounting bracket, the sighting component is fixed on the light directional filter pipe,
the light directional filter tube is used for filtering and monitoring interference light in the light, a grating component is fixed in the light directional filter tube and consists of a longitudinal grating sheet and a transverse grating sheet, the transverse grating sheet is matched with the light directional filter tube, a plurality of transverse grating sheets are coaxially arranged and separated by an axial distance by the longitudinal grating sheet, a grating hole is formed in the center of each transverse grating sheet, a diaphragm seat is fixed on the transverse grating sheet at the end part of the grating component, an adjustable diaphragm sheet is hinged below the diaphragm seat, a plurality of circular diaphragm holes with different diameters are formed in the adjustable diaphragm sheet, a light shielding cover is fixed on the diaphragm seat, and the center of the light shielding cover, the center of the diaphragm hole and the center of the grating hole are coaxial;
the sighting component is used for sighting the monitoring light source, so that the monitoring light emitted by the monitoring light source is emitted into and directly reaches the photometry sensor along a central light path formed by the center of the shade, the center of the aperture hole and the center of the grating hole, the sighting component comprises a photometry sensor bracket and a light source mounting bracket, the photometry sensor bracket is fixed at the tail end of the light directional filtering photometer, the light source mounting bracket is fixed on a sliding connecting piece at one side of the light directional filtering photometer, an outlet hole is formed in the center of the photometry sensor bracket, a sighting sight is arranged in the outlet hole, the light source mounting bracket consists of a fixed connecting part, a cantilever arm and a light source clamping sleeve, the fixed connecting part is fixed on the sliding connecting piece, the light source clamping sleeve can slide back and forth on the cantilever arm to adjust the distance between the light source and the light directional filtering photometer, and can detach the light source from the bracket for remote light source measurement, and the center of the light source clamping sleeve, the center of the circle of the shading incident cylinder, the center of the aperture hole, the center of the grating hole and the center of the outlet hole are coaxial;
the mounting bracket is used for supporting the light directional filter pipe and adjusting the vertical height of the light directional filter pipe, so as to ensure the incidence stability of monitoring light, and the light directional filter type light meter adjusting bracket comprises a counterweight base, wherein the light directional filter type light meter adjusting bracket is fixed on the counterweight base, the light directional filter type light meter adjusting bracket is provided with a monitoring instrument fixing bracket, the light directional filter type light meter can move up and down on the light directional filter type light meter adjusting bracket and is fixed on the light directional filter type light meter adjusting bracket through bolts, the monitoring instrument is fixed on the monitoring instrument fixing bracket, and the monitoring instrument fixing bracket can move on the light directional filter type light meter adjusting bracket and is fixed on the light directional filter type light meter adjusting bracket through bolts.
2. The light-directing filter type light meter of claim 1, wherein the grating holes of the transverse grating sheet are shaped holes or round holes with knife edges, and the diameters of the grating holes are matched with the diameters of the light receiving holes of the selected light meter sensor.
3. Use of the light-directing filtration photometry of claim 1 for drug-compatible concentration monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110307276.4A CN113092393B (en) | 2021-03-23 | 2021-03-23 | Light directional filtering type photometer and application thereof in drug compatibility monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110307276.4A CN113092393B (en) | 2021-03-23 | 2021-03-23 | Light directional filtering type photometer and application thereof in drug compatibility monitoring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113092393A CN113092393A (en) | 2021-07-09 |
| CN113092393B true CN113092393B (en) | 2023-09-08 |
Family
ID=76669051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110307276.4A Active CN113092393B (en) | 2021-03-23 | 2021-03-23 | Light directional filtering type photometer and application thereof in drug compatibility monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113092393B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204514875U (en) * | 2015-04-16 | 2015-07-29 | 成都大学 | Composition near real-time quantitative monitoring system separated out by a kind of slow/controlled release material |
| WO2017161905A1 (en) * | 2016-03-23 | 2017-09-28 | 海安县申菱电器制造有限公司 | Optical encoder |
| CN110174243A (en) * | 2019-06-04 | 2019-08-27 | 长春光吉科技有限责任公司 | A kind of test device of optical collimator transmitance |
-
2021
- 2021-03-23 CN CN202110307276.4A patent/CN113092393B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204514875U (en) * | 2015-04-16 | 2015-07-29 | 成都大学 | Composition near real-time quantitative monitoring system separated out by a kind of slow/controlled release material |
| WO2017161905A1 (en) * | 2016-03-23 | 2017-09-28 | 海安县申菱电器制造有限公司 | Optical encoder |
| CN110174243A (en) * | 2019-06-04 | 2019-08-27 | 长春光吉科技有限责任公司 | A kind of test device of optical collimator transmitance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113092393A (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4826660A (en) | Detector assembly for analyzer instrument | |
| EP0619476B1 (en) | Device for detection of a fluidic interface in a transparent measuring tube | |
| DE9005845U1 (en) | Device for measuring the absorption of transparent samples with unfavourable external shape | |
| WO1998022802A1 (en) | Method and device for combined absorption and reflectance spectroscopy | |
| EP2533031A1 (en) | Device for referenced measurement of reflected light and method for calibrating such a device | |
| CN113092393B (en) | Light directional filtering type photometer and application thereof in drug compatibility monitoring | |
| FI78355B (en) | METHOD FOER MAETNING AV GLANS OCH APPARATUR FOER TILLAEMPNING AV METODEN. | |
| WO2016015921A1 (en) | Measuring arrangement for reflection measurement | |
| DE69223377T2 (en) | Spectrophotometer for performing turbidimetric and colorimetric measurements | |
| CN103323427A (en) | On-line self-calibration turbidity meter and turbidity detection method | |
| CN109444088A (en) | A kind of aeronautical glasses mist degree and light transmittance test macro | |
| CN201352150Y (en) | Photometric device | |
| JP2002243632A (en) | Flow cell, detection device, and liquid sample-measuring instrument | |
| CN207689358U (en) | A kind of multi-functional camera bellows of changeable test mode | |
| CN207215688U (en) | A kind of COD monitoring devices of inside and outside light path switching compensation | |
| CN103389269A (en) | Multifunctional optical detection flow cell device | |
| CN212379290U (en) | Automatic scattering analysis device | |
| CN213021948U (en) | Photometric measurement device applied to distribution photometer | |
| US3770355A (en) | Thick window transmission spectrophotometer and method | |
| CN212514144U (en) | Light beam adjustable sensing detection device | |
| DE1598138B2 (en) | Device for measuring the concentration of particles suspended in a flowing gas, in particular the soot content of the exhaust gases from internal combustion engines | |
| DE3520144C1 (en) | Device for measuring the spectral characteristics and the turbidity of liquids | |
| CN219935666U (en) | Photoelectric detector for liquid concentration | |
| CN211741074U (en) | Transmittance detection device | |
| CN221224567U (en) | Liquid measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |