CN112920952A

CN112920952A - Photosynthetic organism culture apparatus

Info

Publication number: CN112920952A
Application number: CN202110320086.6A
Authority: CN
Inventors: 滕晓焕; 冯爱娟; 黄敏; 朱美娟; 徐小云
Original assignee: Guangdong Industry Technical College
Current assignee: Guangdong Industry Technical College
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-06-08

Abstract

The invention relates to the field of experimental equipment, in particular to a photosynthetic organism culturing device, comprising a cylindrical cylinder and a cover arranged on the cylinder, wherein a light blocking baffle is arranged in the cover, and the light blocking The plate and the cover form a light source cavity, a light source assembly is arranged in the light source cavity, a light outlet is arranged at the center of the light blocking baffle, and a cylindrical light guide column is arranged at the light outlet, and the light guide column is arranged in the light guide column. A scattering structure is provided, the light guide column has a first end surface, a second end surface and a side wall, the first end surface is located in the light outlet, and the light emitted by the light source assembly enters the light guide column through the first end surface, and passes through the light guide column. The scattering structure emits from the side wall after scattering; the invention avoids the influence of the heat generated by the light source on the photosynthetic biology experiment by arranging the light source assembly on the cover body and using the light guide column for light conduction.

Description

Photosynthetic organism culture apparatus

Technical Field

The invention relates to the field of experimental equipment, in particular to a photosynthetic organism culture device.

Background

Photosynthetic microorganisms or plant cells can utilize solar energy, water and simple minerals to synthesize organic matters and inorganic matters in the forms of hydrogen, methane and the like. Taking microalgae as an example, the microalgae is a kind of individual tiny photoautotrophic unicellular organisms and has the characteristics of wide distribution, various varieties, high photosynthetic efficiency, high growth speed, strong adaptability and the like. Microalgae CO fixation every year₂The total photosynthetic yield of the microalgae accounts for about 40 percent of the total photosynthetic yield of the whole world, and the microalgae is rich in high-value natural pigments such as esters, hydrocarbons, proteins, soluble polysaccharides, astaxanthin, beta-carotene and the like, so that the microalgae attracts more and more attention today in the aspects of environmental protection, energy, health and the like.

Based on the above advantages of photosynthetic organisms, experimental research on photosynthetic organisms has been widely conducted, and during research, cultivation of photosynthetic organisms is indispensable, and cultivation of photosynthetic organisms is mostly conducted in closed photo-bioreactors, and various photo-bioreactors have the following main characteristics: the largest surface area to volume ratio, the most efficient light source system, the shortest light path for light energy to be delivered to the microalgae, the most efficient mixing cycle, and the like. The photobioreactor can be used for culturing photosynthetic microorganisms with high density, high yield and high efficiency, and is roughly divided into a plate photobioreactor, a pipeline photobioreactor and a cylindrical photobioreactor, wherein in a laboratory, the photobioreactor with small floor area and large capacity is needed, so the cylindrical photobioreactor is most suitable for being applied to the field of the laboratory, the cylindrical photobioreactor consists of a cylindrical main body and a light source positioned in the center of the main body, and generally adopts an energy-saving LED light source, the cylindrical photobioreactor in the prior art has the advantages that the light source is directly positioned in a cultured nutrient medium, the heat of the light source is directly transferred into the culture medium, the temperature distribution in the culture medium is uneven, the energy consumption is increased even if a temperature control device is used, and the power of the light source is limited by the structure from the other side, high-brightness photosynthetic biological experiments cannot be carried out.

Disclosure of Invention

In view of this, the present invention is directed to overcome the defects in the prior art, and provides a photosynthetic organism culture apparatus, in which a light source assembly is disposed on a cover body, and a light guide column is used for conducting light, so as to avoid the influence of heat generated by the light source on a photosynthetic organism experiment.

The photosynthetic organism culture device comprises a cylindrical barrel and a cover body arranged on the barrel, wherein a light blocking partition plate is arranged in the cover body, a light source cavity is formed by the light blocking partition plate and the cover body, a light source assembly is arranged in the light source cavity, a light outlet is formed in the center of the light blocking partition plate, a cylindrical light guide column is arranged at the light outlet, a scattering structure is arranged in the light guide column, the light guide column is provided with a first end face, a second end face and a side wall, the first end face is located in the light outlet, light rays emitted by the light source assembly enter the light guide column through the first end face, and are emitted from the side wall after being scattered by the scattering structure.

The light source assembly comprises a first light reflecting bowl, a light source and a lens assembly, the light source and the first light reflecting bowl are combined into a light source group in pairs, the light source is arranged at the light reflecting center of the first light reflecting bowl, and a plurality of groups of light source groups are arranged at intervals around the axis of the light guide column in a circumferential manner; the lens component comprises a convergent lens and a second light reflecting bowl, a mounting hole is formed in the center of the second light reflecting bowl, the convergent lens is arranged in the mounting hole, light rays from a plurality of light source groups pass through the object image focus of the convergent lens, the diameter of an opening of the second light reflecting bowl is consistent with the diameter of the first end face of the light guide column, and the opening is buckled on the first end face of the light guide column.

Further, the light guide column comprises a lighting section and a scattering section which are sequentially connected from top to bottom, the lighting section is of a round platform structure with a large top and a small bottom, the first end face is arranged on the upper end face of the lighting section, and a reflecting layer is arranged outside the lighting section.

Further, the scattering structures are scattering particles distributed in the light guide column.

Furthermore, an antireflection film is plated on the first end face of the light guide column, and a reflective film facing the inside of the light guide column is arranged on the second end face.

Further, still including scraping the wall structure, it establishes to scrape the wall structure including the cover the magnetic ring structure in the barrel outside is in with the setting outer scraper structure in the barrel, outer scraper structure includes cyclic annular scraper and a plurality of first magnetic part, and is a plurality of first magnetic part interval distributes evenly on the cyclic annular scraper, be provided with on the magnetic ring structure with the second magnetism piece that first magnetic part inter attraction inhales.

Further, the first magnetic member includes a first magnet and a second magnet disposed on the upper and lower sides of the annular scraper, the polarities of the magnetic poles of the first magnet and the second magnet facing the outside direction of the cylinder are opposite, the second magnetic member includes a third magnet disposed opposite to the first magnet and a fourth magnet disposed opposite to the second magnet, and the third magnet and the first magnet, the fourth magnet and the second magnet attract each other.

Further, scrape the wall structure and still include the inner ring brush, the inner ring brush cover is established on the leaded light post, the inner ring brush includes go-between and flexible brush, flexible brush sets up the go-between is inboard, the go-between pass through the link with outer scraper structural connection.

The invention has the beneficial effects that: according to the photosynthetic organism culture device disclosed by the invention, the light source cavity is formed in the cover body, the light source assembly is arranged in the light source cavity, light is guided into the cylinder body for photosynthetic organism culture by the light guide column, heat generated by the light source assembly is far away from a culture medium, and the influence on the accuracy of an experiment is avoided; and the scattering structure is arranged in the light guide column, so that light rays are uniformly emitted from the side wall of the light guide column, and the uniformity degree of illumination is improved.

Drawings

The invention is further described below with reference to the following figures and examples:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an enlarged view of fig. 1 at B.

Description of reference numerals: the light source module comprises a barrel 1, a cover 2, a light blocking partition plate 3, a light source cavity 4, a light guide column 5, a lighting section 501, a scattering section 502, a scattering structure 503, a first end face 504, a second end face 505, a first light reflecting bowl 601, a light source 602, a converging lens 603, a second light reflecting bowl 604, a wall scraping structure 7, a magnetic ring structure 701, an outer scraper structure 702, an annular scraper 7021, a first magnet 7022, a second magnet 7023, a third magnet 7011, a fourth magnet 7012, an inner ring brush 703 and a connecting frame 704.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the photosynthetic organism culture apparatus in this embodiment includes a cylindrical barrel 1 and a cover 2 disposed on the barrel 1, the barrel 1 may be made of transparent material, so that the photosynthetic organisms in the barrel 1 can receive natural light, of course, the photosynthetic organisms may also be made of light blocking material, so as to reduce interference factors, a light blocking partition plate 3 is disposed in the cover 2, the light blocking partition plate 3 and the cover 2 form a light source cavity 4, a light source assembly is disposed in the light source cavity 4, a light outlet is disposed at the center of the light blocking partition plate 3, a cylindrical light guide pillar 5 is disposed at the light outlet, a scattering structure 503 is disposed in the light guide pillar 5, the light guide pillar 5 has a first end surface 504, a second end surface 505 and a side wall, the first end surface 504 is located in the light outlet and is used for receiving light, light emitted by the light source assembly is incident into the light guide pillar 5 via the first end surface 504, and is scattered by the scattering structure 503 and then emitted from the side wall. In this embodiment, the scattering structures 503 are scattering particles distributed in the light guide bar 5, and the light rays incident from the first end surface 504 can be uniformly emitted from all positions of the side wall by adjusting the distribution density of the scattering particles in the light guide bar 5; under the actual conditions, the light source subassembly can adopt the LED light source, compares in traditional xenon lamp or incandescent lamp, and is more energy-conserving, and it is littleer to produce the heat, but high-power LED light source still can produce the heat of a considerable degree, and photosynthetic biological experiment duration is longer, consequently sets up the light source subassembly on lid 2, utilizes leaded light post 5 to carry out light conduction, and the heat that produces is little to the influence of experiment on the one hand, and on the other hand is convenient for dispel the heat.

In this embodiment, the light source assembly includes a first light reflecting bowl 601, a light source 602 and a lens assembly, the light source 602 and the first light reflecting bowl 601 are combined in pairs to form a light source group, the light source 602 is disposed at the light reflecting center of the first light reflecting bowl 601, after light is reflected by the first light reflecting bowl 601, light emitted from the light source 602 is changed into parallel light, and multiple groups of light source groups are circumferentially arranged at even intervals around the axis of the light guiding column 5; the lens assembly comprises a converging lens 603 and a second light reflecting bowl 604, a mounting hole is formed in the center of the second light reflecting bowl 604, the converging lens 603 is arranged in the mounting hole, parallel light rays from a plurality of light source groups pass through an object focus of the converging lens 603 and are converged again, the parallel light rays from the light source groups with different angles are integrated into a light beam with higher brightness, the second light reflecting bowl 604 plays a role in preventing the light from overflowing laterally, the diameter of an opening of the second light reflecting bowl 604 is consistent with that of the first end face 504 of the light guiding column 5, the opening is buckled on the first end face 504 of the light guiding column 5, and the light beam enters the light guiding column 5 from the first end face 504.

The light guide column 5 comprises a lighting section 501 and a scattering section 502 which are sequentially connected from top to bottom, the lighting section 501 is of a round table structure with a large top and a small bottom, the first end face 504 is arranged on the upper end face of the lighting section 501, and therefore the area of the first end face 504 is larger than the sectional area of the scattering section 502 of the light guide column 5, so that the first end face 504 can receive light rays from more light source assemblies, photosynthetic experiments with higher brightness can be carried out by arranging more light source assemblies, and a light reflecting layer for reflecting the light rays is arranged outside the lighting section 501, so that the light rays are prevented from overflowing laterally.

In this embodiment, in order to avoid the light from being generated at the first end surface 504, the first end surface 504 of the light guide pillar 5 is plated with an antireflection film, and the second end surface 505 is provided with a reflective film facing the inside of the light guide pillar 5, so that the light irradiated to the second end surface 505, that is, the end of the light guide pillar 5, is reflected into the inside of the light guide pillar 5 again.

The photosynthetic organisms are easy to adhere to walls, deposit and agglomerate in the growth process, so that the illumination inside the production device is uneven, the carbon dioxide absorption rate is low, the growth rate and the quality of the photosynthetic organisms are seriously influenced, therefore, in this embodiment, the culture device further comprises a scraping structure 7, the scraping structure 7 comprises a magnetic ring structure 701 sleeved outside the cylinder 1 and an outer scraper structure 702 arranged inside the cylinder 1, the outer scraper structure 702 comprises an annular scraper 7021 and a plurality of first magnetic members, the plurality of first magnetic members are uniformly distributed on the annular scraper 7021 at intervals, the magnetic ring structure 701 is provided with a second magnetic attraction piece mutually attracted with the first magnetic attraction piece, in the process of moving the magnetic ring structure 701 up and down, the magnetic ring drives the outer scraper structure 702 to move in a magnetic attraction manner, and the annular scraper 7021 scrapes off the light-blocking component of the wall. Compared with the prior art, the scraper structure in the vertical direction is utilized, the scraper wall structure 7 in the invention has smaller structure, is more convenient to operate, occupies small internal space of the barrel body 1, and has less obstruction to light rays.

In this embodiment, the first magnetic member includes a first magnet 7022 and a second magnet 7023 disposed on the upper and lower sides of the annular scraper 7021, the polarities of the magnetic poles of the first magnet 7022 and the second magnet 7023 facing the outside of the cylinder 1 are opposite, the second magnetic member includes a third magnet 7011 disposed opposite to the first magnet 7022 and a fourth magnet 7012 disposed opposite to the second magnet 7023, the third magnet 7011 and the first magnet 7022, the fourth magnet 7012 and the second magnet 7023 attract each other, and the third magnet 7011 and the second magnet 7023, the fourth magnet 7012 and the first magnet 7022 have a repulsive force in the vertical direction, so that the magnetic ring structure 701 and the magnetic ring brush structure are always maintained on the same plane.

Simultaneously, scrape wall structure 7 still including the inner ring brush 703 that is used for clearing up light guide post 5, light guide post 5's material main action lies in guide light, preferably adopts the material that the luminousness is high, and consequently hardness probably is not as good as barrel 1's material, unsuitable scraper structure that adopts in proper order, inner ring brush 703 cover is established on the light guide post 5, inner ring brush 703 includes go-between and flexible brush, flexible brush sets up the go-between is inboard, the go-between pass through link 704 with outer scraper structure 702 is connected, and when outer scraper structure 702 removed, drive inner ring brush 703 and clear up light guide post 5 surface.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. a photosynthetic organism culturing device, comprising a cylindrical cylinder and a cover arranged on the cylinder, characterized in that it also includes:

a light-blocking baffle, which is arranged in the cover body, the light-blocking baffle and the cover form a light source cavity, and a light outlet is arranged at the center of the light-blocking baffle;

a light source assembly, arranged in the light source cavity;

The light guide column is a cylindrical structure. The light guide column is provided with a scattering structure. The light guide column has a first end face, a second end face and a side wall. The first end face is located in the light outlet. The light emitted by the light source assembly The light is injected into the light guide column through the first end face, and then emitted from the side wall after being scattered by the scattering structure.

2 . The photosynthetic organism culturing device according to claim 1 , wherein the light source assembly comprises a first reflecting bowl, a light source and a lens assembly, the light source and the first reflecting bowl are combined into a light source group in pairs, and the light source Set at the reflective center of the first reflective bowl, a plurality of groups of light sources are arranged around the axis of the light guide column in an evenly spaced circumferential arrangement; the lens assembly includes a converging lens and a second reflective bowl, the center of the second reflective bowl is A mounting hole is opened at the place, the condensing lens is arranged in the mounting hole, the light from a plurality of light source groups passes through the object image focus of the converging lens, and the opening diameter of the second reflecting bowl is the same as that of the light guide column. One end face has the same diameter, and the opening is fastened on the first end face of the light guide column.

3 . The photosynthetic organism culturing device according to claim 1 , wherein the light-guiding column comprises a lighting section and a scattering section connected up and down in sequence, and the lighting section is a circular truncated structure with a large upper and a lower small, and the first The end face is arranged on the upper end face of the lighting section, and a reflective layer is arranged on the outside of the lighting section.

4 . The photosynthetic organism culturing device according to claim 1 , wherein the scattering structures are scattering particles distributed in the light guide column. 5 .

5 . The photosynthetic organism culturing device according to claim 1 , wherein an anti-reflection film is plated on the first end surface of the light guide column, and a reflection facing the inside of the light guide column is provided on the second end surface. 6 . membrane.

6. The photosynthetic organism culturing device according to any one of claims 1-5, characterized in that it further comprises a scraping wall structure, and the scraping wall structure comprises a magnetic ring structure sleeved on the outside of the cylinder body and arranged The outer scraper structure in the barrel, the outer scraper structure includes an annular scraper and a plurality of first magnetic pieces, the plurality of first magnetic pieces are evenly distributed on the annular scraper, the magnetic The ring structure is provided with a second magnetic attraction member mutually attracted with the first magnetic member.

7 . The photosynthetic organism culturing device according to claim 6 , wherein the first magnetic member comprises a first magnet and a second magnet arranged on the upper and lower sides of the annular scraper, and the first magnet and the second magnet are arranged on the upper and lower sides of the annular scraper. The polarities of the two magnets facing the outside of the cylinder are opposite. The second magnetic member includes a third magnet arranged opposite to the first magnet and a fourth magnet arranged opposite to the second magnet. The third magnet and attract each other with the first magnet, the fourth magnet and the second magnet.

8 . The photosynthetic organism culturing device according to claim 6 , wherein the scraping wall structure further comprises an inner ring brush, the inner ring brush is sleeved on the light guide column, and the inner ring brush includes connecting A ring and a flexible brush, the flexible brush is arranged on the inner side of the connecting ring, and the connecting ring is connected with the outer scraper structure through a connecting frame.