CN2475023Y - Light intensity attenuation determination instrument - Google Patents
Light intensity attenuation determination instrument Download PDFInfo
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- CN2475023Y CN2475023Y CN 01207695 CN01207695U CN2475023Y CN 2475023 Y CN2475023 Y CN 2475023Y CN 01207695 CN01207695 CN 01207695 CN 01207695 U CN01207695 U CN 01207695U CN 2475023 Y CN2475023 Y CN 2475023Y
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- light
- light source
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Abstract
The utility model relates to a light intensity attenuation measuring device, comprising a light source part, an attenuating groove, an emplacing groove and a light intensity tester. The light source is arranged in an air-tight light source groove, a dimmer adjusts light intensity of the light source, and the front end face of the light source is provided with a light hole. The square emplacing groove clings to the front end of the light hole of the light source groove, with the front end of the square emplacing groove provided with a light hole corresponding to the light hole at the front end face of the light source groove. The square attenuating groove is arranged in the emplacing groove, the front and rear two translucent faces are made of optical glass, and the optic probe of the light intensity tester is arranged in the light hole at the front end of the emplacing groove. The light intensity attenuation measuring device of the utility model has the characteristics of adjustable light intensity, simple and rapid operation, convenient cleaning, precise result, great reproduction quality and the like.
Description
The utility model relates to a kind of light intensity attenuation determinator of reaction system light intensity attenuation situation when being used to measure and study algae or other photosynthetic organism cell suspension cultures.
When algae and other photosynthetic organism cell suspension cultures, be to understand the demand of cell growth to luminous energy, what usually need to measure cultivating system is subjected to light and light intensity attenuation situation.Up to now, at specific cultivation requirement, the researchist has developed some light intensity attenuation assay method and technology, as the experimental formula method, and simple and easy beaker method.The experimental formula method is because it is the expression formula of a certain particular types photosynthetic cells resulting empirical under specific condition of culture, and universality is relatively poor; Though it is simple and easy that the beaker method is operated, result's accuracy and reappearance are not fully up to expectations.
The purpose of this utility model is to overcome many defectives and the deficiency that existing light intensity attenuation assay method and determinator exist, provide a kind of cheap, easy and simple to handle, accuracy of measurement is higher is applicable to the small light overdamp determinator that is subjected to light and light intensity attenuation situation of measuring little algae or other photosynthetic organism cell culture system.
Embodiment of the present utility model is as follows:
The light intensity attenuation determinator that the utility model provides comprises the Lights section 1, decay groove 5, mounting groove 6 and actinograph 9; Described the Lights section is made up of light source 1, dimmer 2 and light source slot 3; Described light source 1 is commercially available incandescent lamp bulb or small-sized daylight lamp, is placed in the airtight light source slot 3; The light intensity that dimmer 2 is regulated light source 1; The front end face of light source slot 3 is provided with light hole 4; Mounting groove 6 is a square groove, is close to the front end that light source slot 3 has light hole 4; Mounting groove 6 front end faces are provided with the light hole 4 corresponding light holes 7 with light source slot 3 front end faces; Decay groove 5 is a square groove, is placed within the mounting groove 6, and its former and later two transparent surfaces 51 and 52 are made by optical glass, and all the other each faces are made by organic glass; Actinograph 9 is commercially available photosynthetically active radiation meter or illuminometer, and its light probe 8 is positioned at the light hole 7 of mounting groove 6 front end faces, is used to measure luminous energy in the variation through its intensity before and after the attenuation medium.
During use, open earlier light source 1, regulate light source regulator 2 and make light intensity reach appropriate brightness, the light probe 8 of photosynthetically active radiation meter or illuminometer is placed in the light hole 7, measure the light intensity before the decay; The decay groove 5 that will fill algae liquid afterwards places in the mounting groove 6, measures the intensity of light intensity behind the process attenuation medium.Change algae liquid concentration and decay groove optical path (width) more successively and continue to measure, can obtain the pad value of a series of algae liquid.
The effect of utility model is as follows:
The light intensity attenuation determinator that provides with the utility model can be measured under the condition of microalgae cell Different Light intensity, light path and variable concentrations the attenuation to light intensity.Have that light intensity is adjustable, easy operation, cleaning are convenient, the result accurately, characteristics such as favorable reproducibility, be applicable under laboratory condition, measure little algae and other photosynthetic organism cell culture system be subjected to light and light intensity attenuation situation.
Further describe the utility model below in conjunction with drawings and Examples:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is the structural representation of the Lights section;
Accompanying drawing 3 is the structural representation of decay groove 5;
Accompanying drawing 4 is the structural representation of mounting groove 6;
Accompanying drawing 5 is the structural representation of actinograph 9;
Wherein: light source 1 dimmer 2 light source slots 3
As seen from the figure, the light intensity attenuation determinator that the utility model provides comprises the Lights section, decay groove 5, mounting groove 6 and actinograph 9; Described the Lights section is made up of light source 1, dimmer 2 and light source slot 3; Light source 1 is commercially available incandescent lamp bulb or small-sized daylight lamp, is placed in the airtight light source slot 3; The light intensity that dimmer 2 is regulated light source 1; The front end face of light source slot 3 is provided with light hole 4; Mounting groove 6 is a square groove, is close to the front end of the light hole 4 of light source slot 3; Mounting groove 6 front ends are provided with the light hole 4 corresponding light holes 7 with light source slot 3 front end faces; Decay groove 5 is a square groove, places within the mounting groove 6; Decay groove 5 former and later two transparent surfaces 51 and 52 are made by optical glass, and all the other each faces are made by organic glass; Actinograph 9 is commercially available photosynthetically active radiation meter or illuminometer, and its light probe 8 is positioned at the light hole 7 of mounting groove 6 front end faces, is used to measure luminous energy intensity variations behind the process attenuation medium.
The actinograph 9 of present embodiment is commercially available photosynthetically active radiation meter (also can be illuminometer certainly), is used to measure luminous energy in the variation through its intensity before and after the attenuation medium; Light source 1 is selected 100 watts of (about 3.32mW/cm for use
2) incandescent lamp bulb; Light source slot 3 length, width and highly be respectively 30cm, 20cm and 12cm; The radius of the light hole 4 of light source slot 3 front end faces is 1.7cm (identical with the diameter of the light probe 8 of actinograph 9); Glass decay groove 5 is made by optical glass, its length and highly be respectively 10cm and 4cm, and its width to be light path be respectively 1,2,3,4,5cm; Optical glass thickness 0.1cm; Glass decay groove 5 places in the mounting groove 6 of corresponding size; Spirulina cells concentration in the glass decay groove 5 is OD
560=0.1-2.0; Actinograph 9 is a FGH-10 type photosynthetically active radiation meter.Measured Different Light intensity, different frustule concentration during with different light path light intensity and attenuation results thereof and coincide good according to the value that theoretical formula (Lambert-Beer law) calculates.
Claims (3)
1. a light intensity attenuation determinator is characterized in that, comprises the Lights section, decay groove (5), mounting groove (6) and actinograph (9); The Lights section is made up of light source (1), dimmer (2) and light source slot (3); Light source (1) is placed in the airtight light source slot (3), and dimmer (2) is regulated the light intensity of light source (1), and the front end face of light source slot (3) is provided with light hole (4); Mounting groove (6) is a square groove, is close to the front end of the light hole (4) of light source slot (3); Mounting groove (6) front end face is provided with the corresponding light hole of light hole (4) (7) with light source slot (3) front end face; Square decay groove (5) is positioned among the mounting groove (6), and its former and later two transparent surfaces (51) and (52) are made by optical glass, and all the other each faces are made by organic glass or optical glass; The light probe (8) of actinograph (9) is inserted in the light hole (7) on mounting groove (6) front end face.
2. by the described light intensity attenuation determinator of claim 1, it is characterized in that actinograph (9) is commercially available photosynthetically active radiation meter or illuminometer.
3. by the described light intensity attenuation determinator of claim 1, it is characterized in that described light source (1) is commercially available incandescent lamp bulb or small-sized daylight lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01207695 CN2475023Y (en) | 2001-03-23 | 2001-03-23 | Light intensity attenuation determination instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01207695 CN2475023Y (en) | 2001-03-23 | 2001-03-23 | Light intensity attenuation determination instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2475023Y true CN2475023Y (en) | 2002-01-30 |
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ID=33628019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01207695 Expired - Fee Related CN2475023Y (en) | 2001-03-23 | 2001-03-23 | Light intensity attenuation determination instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2475023Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614324A (en) * | 2015-03-04 | 2015-05-13 | 哈尔滨工业大学 | Method for measuring optical constant of microalgae culture medium and spectral attenuation coefficient of microalgae in combined way |
| CN106053025A (en) * | 2016-06-30 | 2016-10-26 | 河南科技大学 | Measuring device and method for Airy beam attenuation factor |
-
2001
- 2001-03-23 CN CN 01207695 patent/CN2475023Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614324A (en) * | 2015-03-04 | 2015-05-13 | 哈尔滨工业大学 | Method for measuring optical constant of microalgae culture medium and spectral attenuation coefficient of microalgae in combined way |
| CN104614324B (en) * | 2015-03-04 | 2017-08-25 | 哈尔滨工业大学 | The union measuring method of micro-algae culture medium optical constant and microalgae Spectrum attenuation coefficient |
| CN106053025A (en) * | 2016-06-30 | 2016-10-26 | 河南科技大学 | Measuring device and method for Airy beam attenuation factor |
| CN106053025B (en) * | 2016-06-30 | 2018-09-14 | 河南科技大学 | A kind of measuring device and method of the Airy beam attenuations factor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |