CN209433680U

CN209433680U - Pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset

Info

Publication number: CN209433680U
Application number: CN201821220735.5U
Authority: CN
Inventors: 刘姝岑
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-31
Filing date: 2018-07-31
Publication date: 2019-09-24
Anticipated expiration: 2028-07-31

Abstract

The utility model discloses pigment separated dynamic demonstration teaching aid devices in a kind of chloroplaset, including demonstration board, colour band, filter paper item simulation hollow slots, drag wire and wheel shaft, hollow out cuts out a filter paper item simulation hollow slots among the demonstration board, a wheel shaft is fixed in the upper end of filter paper item simulation hollow slots, is equipped with rocking handle on wheel shaft；Teacher only needs the rocking handle of rotary shaft, the simulator just can be used to demonstrate the dynamic process of four kinds of pigment separateds, and it is equipped with the explanation of teacher, student can through filter paper item simulation hollow slots observe four colour bands rising and be gradually disengaged process, can intuitively allow very much classmates understand and grasp pigment from principle and experimental phenomena；Classmate can also be allowed to operate simultaneously, experience presentation process, increase direct feel, either explained or be used for lecture experiment for classroom, good effect can be obtained.

Description

Pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset

Technical field

The utility model relates to teaching aid technical fields, more specifically, it relates to pigment separated in a kind of chloroplaset Dynamic demonstration teaching aid device.

Background technique

For the understanding for keeping student more lively and the characteristic for grasping pigment in chloroplaset, during bioconversion medium, Teacher needs the extraction of pigment and separating experiment in on-the-spot demonstration chloroplaset.And in traditional teaching Process of experiment, need scene Chlorophyll is made, and processing and repeatedly scribing line are carried out to filter paper, operating procedure is more, and the time is long, and experimental result is not made us It is satisfied.

Chinese patent (Authorization Notice No.: CN203616934U) discloses a kind of experiment for pigment separated in chloroplaset Device, although can by the ontology of chamber resettling, be loaded with the slide plate of filter paper and equipped with the box body of chromatographic solution, can be green in leaf Scene is avoided the need in body in pigment separated experiment and cuts signature note filter paper, chlorophyll laboratory operating procedures can be saved；Using setting Elastic lineation device on the body realizes the scribing line to filter paper, and scribing line is thin and straight, and the loading on the glass slide being equipped with Hole can effectively guarantee the probalility of success of experiment, so that experimental period shortens, experiment is accurate, and the effect of chromatography is obvious.

But it needs to be verified by field experiment, the experimental implementation time is complicated, and without using in green for leaf Pigment separated carries out dynamic demonstration operation in body, cannot especially allow the micro dynamic course macroscopic view of pigment separated in chloroplaset It shows, is not easy to the learning aid of teachers and students, interaction effect is poor, and the dynamic process of four kinds of pigment separateds can not be carried out to simulation and drilled Show.Therefore, it is necessary to pigment separated dynamic demonstration teaching aid devices in a kind of chloroplaset to meet the needs of existing interactive teaching.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide pigment separateds in a kind of chloroplaset to move State demonstration teaching aid device by the teaching aid, can allow leaf for a demonstration teaching aid in " pigment separated in chloroplaset " experiment The micro dynamic course of pigment separated is macroscopical in green body shows, and facilitates the learning aid of teachers and students, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions:

Pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset, including demonstration board, colour band, filter paper item simulate hollow out Slot, drag wire and wheel shaft, demonstration board centre hollow out cut out a filter paper item simulation hollow slots, and filter paper item simulates hollow slots A wheel shaft is fixed in upper end, and rocking handle is equipped on wheel shaft, and wheel shaft is equipped with four wire casings, is respectively arranged with one in four wire casings and leads Bracing wire is inserting a fixed link with the both sides of wheel shaft sustained height respectively, and the both ends of four drag wires, which are stretched out from both sides, to be bypassed The fixed link on both sides is vertically downward until be equivalent to the position for drawing filtrate filament, four drag wires in filter paper item simulation hollow slots It is respectively connected with an iron wire between both ends vertically downward, is stained with colour band on four iron wires.

As further program of the utility model, in the filter paper item simulation hollow slots and chloroplast pigment separating experiment The shape of filter paper item is identical, and filter paper item simulation two right angle of hollow out trench bottom removes to form corner grooving.

As further program of the utility model, the distance between described fixed link is greater than filter paper item simulation on demonstration board The width of hollow slots is separately fixed in one-to-one four wire casings among four drag wires.

As further program of the utility model, the colour band is the paper tape of different colours in four, respectively from upper and Carrotene paper tape, lutein paper tape, chlorophyll a paper tape and the chlorophyll b paper tape of lower distribution.

As further program of the utility model, the width of four colour bands represented with it four in pigment content in just Than, it may be assumed that the width G T.GT.GT carrotene paper tape of the width G T.GT.GT lutein paper tape of the width G T.GT.GT chlorophyll b paper tape of chlorophyll a paper tape Width.

As further program of the utility model, the carrotene paper tape be it is orange-yellow, lutein paper tape be yellow, Chlorophyll a paper tape is blue-green, and chlorophyll b paper tape is yellowish green.

As further program of the utility model, when the rocking handle of rotary shaft, the diameter of four wire casings is different, corresponding Four groups of drag wires rise height it is different, represent carrotene iron wire and thereon carrotene paper tape be fixed on rising most On that group of fast drag wire, represents the iron wire of lutein and lutein paper tape is fixed on that group of drag wire of rising second thereon, It represents the iron wire of chlorophyll a and chlorophyll a paper tape is fixed on that group of line for rising third thereon, represent the iron wire of chlorophyll b And chlorophyll b paper tape is fixed on that group of most slow line of rising thereon.

As further program of the utility model, the demonstration board bottom is fixed on the base, and colour band, is consolidated drag wire Fixed pole, wheel shaft and rocking handle (13) are installed in the back side of demonstration board.

As further program of the utility model, the aluminium-plastic panel or three that the demonstration board is one piece of 40cm × 50cm are closed Plate, aluminium-plastic panel or three-ply board are with a thickness of 2~3cm.

As further program of the utility model, the size of the filter paper item simulation hollow slots is 10cm × 30cm.

In conclusion the utility model has the advantages that compared with prior art

Pigment separated dynamic demonstration teaching aid device in the kind chloroplaset of the utility model, stabilized structure is easy to operate, teacher Only need the rocking handle of rotary shaft, so that it may demonstrate the dynamic process of four kinds of pigment separateds with the simulator, and be equipped with saying for teacher Solution, student can observe the rising of four colour bands through filter paper item simulation hollow slots and be gradually disengaged process, can be very intuitive Allow classmates understand and grasp pigment from principle and experimental phenomena；Classmate can also be allowed to operate simultaneously, experience presentation process, Increase direct feel, either explains or be used for lecture experiment for classroom, good effect can be obtained.

For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair The utility model is described in detail.

Detailed description of the invention

Fig. 1 is the structure schematic diagram of pigment separated dynamic demonstration teaching aid device in chloroplaset.

Fig. 2 is the positive structure schematic of pigment separated dynamic demonstration teaching aid device in chloroplaset.

Appended drawing reference: 1- demonstration board, 2- pedestal, the corner 3- grooving, 4- colour band, 5- chlorophyll b paper tape, 6- chlorophyll a paper Band, 7- lutein paper tape, 8- carrotene paper tape, 9- filter paper item simulation hollow slots, 10- drag wire, 11- fixed link, 12- wheel Axis, 13- rocking handle.

Specific embodiment

The technical solution of the utility model is described further in the following with reference to the drawings and specific embodiments.

Referring to Fig. 1-Fig. 2, pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset, including demonstration board 1, colour band 4, filter Paper slip simulation hollow slots 9, drag wire 10 and wheel shaft 12, the intermediate hollow out of the demonstration board 1 cut out one and separate with chloroplast pigment The identical filter paper item of the shape of filter paper item simulates hollow slots 9 in experiment, and filter paper item simulation 9 bottom of hollow slots, two right angle removes to be formed Corner grooving 3；A wheel shaft 12 is fixed in the upper end of the filter paper item simulation hollow slots 9, and rocking handle 13 is equipped on wheel shaft 12, is rotated Rocking handle 13 rotates wheel shaft 12, and the wheel shaft 12 is equipped with four wire casings, and the diameter of every wire casing is different, four wire casings Inside respectively be arranged with a drag wire 10, with the both sides of 12 sustained height of wheel shaft respectively insert a fixed link 11, fixed link 11 it Between distance be greater than the width of filter paper item simulation hollow slots 9 on demonstration board 1, an a pair is separately fixed among four drag wires 10 In four wire casings answered, the both ends of four drag wires 10 from both sides stretch out around both sides fixed link 11 vertically downward until The position for drawing filtrate filament is equivalent in filter paper item simulation hollow slots 9.

Four drag wires 10 are respectively connected with an iron wire between both ends vertically downward, are stained on four iron wires Colour band 4, colour band 4 are the paper tape of different colours in four, the carrotene paper tape 8 being respectively distributed from top to bottom, lutein paper tape 7, chlorophyll a paper tape 6 and chlorophyll b paper tape 5, and the width of four colour bands 4 represented with it four in pigment content in just Than, it may be assumed that the width G T.GT.GT carrotene paper tape of the width G T.GT.GT lutein paper tape 7 of the width G T.GT.GT chlorophyll b paper tape 5 of chlorophyll a paper tape 6 8 width.

The both ends of every iron wire are separately fixed on the both ends for every group of drag wire 10 droping down, when rotary shaft 12 When rocking handle 13, since the diameter of four wire casings is different, the height that corresponding four groups of drag wires 10 rise is different, wherein will generation The iron wire of watch carrotene and thereon carrotene paper tape 8, which are fixed on, to be risen on most fast that group of drag wire 10, and lutein is represented Iron wire and thereon lutein paper tape 7 be fixed on rise second that group of drag wire 10, represent the iron wire and leaf thereon of chlorophyll a Green element a paper tape 6 is fixed on that group of line for rising third, represents the iron wire of chlorophyll b and chlorophyll b paper tape 5 is fixed on thereon Rise on that group of most slow line, finally, the iron wire lifting height of four colour bands 4 played below is different and is gradually disengaged； To simulate four kinds of pigments the phenomenon that separating on filter paper item with chromatographic solution.

1 bottom of demonstration board is fixed on pedestal 2, and above-mentioned component is installed in the back side of demonstration board 1, is revolved convenient for teacher The rocking handle 13 of runner shaft 12 carries out demonstration operation.

When carrying out demonstration operation, the demonstration board 1 just facing towards student, teacher only needs the rocking handle of rotary shaft 12 13, so that it may demonstrate the dynamic process of four kinds of pigment separateds with the simulator, and be equipped with the explanation of teacher, student can be through filter Paper slip simulation hollow slots 9 observe four colour bands 4 rising and be gradually disengaged process, can intuitively allow very much classmates understand and Grasp pigment from principle and experimental phenomena.Classmate can also be allowed to operate simultaneously, experience presentation process, increase direct feel, no Pipe is to explain for classroom or for lecture experiment, can obtain good effect.

Preferably, the carrotene paper tape 8 is orange-yellow, and lutein paper tape 7 is yellow, and chlorophyll a paper tape 6 is bluish-green Color, chlorophyll b paper tape 5 be it is yellowish green, use is bluish-green, yellowish green, yellow, the paper tape of different colours is indicated in orange four, more just In classmates' clear view, demonstrating effect is improved.

Preferably, in the present embodiment, the demonstration board 1 is the aluminium-plastic panel or three-ply board of one piece of 40cm × 50cm, plastic-aluminum Plate or three-ply board are with a thickness of 2~3cm.

Preferably, the size of filter paper item simulation hollow slots 9 is 10cm × 30cm.

Technical principle of the utility model has been described above with reference to specific embodiments, is only the preferred implementation of the utility model Mode.The protection scope of the utility model is not limited merely to above-described embodiment, technology belonging to the idea of the present invention Scheme belongs to the protection scope of the utility model.Those skilled in the art, which does not need to pay for creative labor, to be associated To other specific embodiments of the utility model, these modes are fallen within the protection scope of the utility model.

Claims

1. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset, including the simulation of demonstration board (1), colour band (4), filter paper item are engraved Empty slot (9), drag wire (10) and wheel shaft (12), which is characterized in that the intermediate hollow out of the demonstration board (1) cuts out a filter paper mould A wheel shaft (12) is fixed in the upper end of quasi- hollow slots (9), filter paper item simulation hollow slots (9), and wheel shaft is equipped with rocking handle on (12) (13), wheel shaft (12) is equipped with four wire casings, a drag wire (10) is respectively arranged in four wire casings, same with wheel shaft (12) A fixed link (11) is inserted on the both sides of height respectively, and the fixation for bypassing both sides is stretched out at the both ends of four drag wires (10) from both sides Bar (11) is vertically downward until be equivalent to the position for drawing filtrate filament, four drag wires in filter paper item simulation hollow slots (9) (10) it is respectively connected with an iron wire between both ends vertically downward, colour band (4) are stained on four iron wires.

2. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 1, which is characterized in that described Filter paper item simulation hollow slots (9) is identical as the shape of filter paper item in chloroplast pigment separating experiment, and filter paper item simulates hollow slots (9) Two right angle of bottom removes to form corner grooving (3).

3. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 1 or 2, which is characterized in that The distance between described fixed link (11) is greater than the width of filter paper item simulation hollow slots (9) on demonstration board (1), four drag wires (10) intermediate to be separately fixed in one-to-one four wire casings.

4. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 1, which is characterized in that described Colour band (4) is the paper tape of different colours in four, carrotene paper tape (8), the lutein paper tape being respectively distributed from top to bottom (7), chlorophyll a paper tape (6) and chlorophyll b paper tape (5).

5. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 4, which is characterized in that four The width of colour band (4) with its represent four in pigment content it is proportional, it may be assumed that the width G T.GT.GT chlorophyll b of chlorophyll a paper tape (6) The width of the width G T.GT.GT carrotene paper tape (8) of the width G T.GT.GT lutein paper tape (7) of paper tape (5).

6. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 5, which is characterized in that described Carrotene paper tape (8) be it is orange-yellow, lutein paper tape (7) be yellow, chlorophyll a paper tape (6) be blue-green, chlorophyll b paper Band (5) is yellowish green.

7. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 4, which is characterized in that work as rotation When rocking handle (13) of runner shaft (12), the diameter of four wire casings is different, and the height that corresponding four groups of drag wires (10) rise is different Sample represents the iron wire of carrotene and carrotene paper tape (8) is fixed on most fast that group of drag wire (10) of rising thereon, generation The iron wire of (3R,3'S,6'R)-lutein and thereon lutein paper tape (7) are fixed on that group of drag wire (10) of rising second, represent chlorophyll a Iron wire and thereon chlorophyll a paper tape (6) are fixed on that group of line for rising third, represent the iron wire of chlorophyll b and leaf is green thereon Plain b paper tape (5), which is fixed on, to be risen on that group of most slow line.

8. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 1, which is characterized in that described Demonstration board (1) bottom is fixed on pedestal (2), colour band (4), drag wire (10), fixed link (11), wheel shaft (12) and rocking handle (13) It is installed in the back side of demonstration board (1).

9. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 1, which is characterized in that described Demonstration board (1) is the aluminium-plastic panel or three-ply board of one piece of 40cm × 50cm, and aluminium-plastic panel or three-ply board are with a thickness of 2~3cm.

10. pigment separated dynamic demonstration teaching aid device in a kind of chloroplaset according to claim 9, which is characterized in that institute The size for stating filter paper item simulation hollow slots (9) is 10cm × 30cm.