CN206249762U - A kind of simple photosynthesis demonstration teaching aid - Google Patents
A kind of simple photosynthesis demonstration teaching aid Download PDFInfo
- Publication number
- CN206249762U CN206249762U CN201621166971.4U CN201621166971U CN206249762U CN 206249762 U CN206249762 U CN 206249762U CN 201621166971 U CN201621166971 U CN 201621166971U CN 206249762 U CN206249762 U CN 206249762U
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- China
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- glass
- box
- photosynthesis
- glass box
- globule
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Abstract
The utility model is related to a kind of simple photosynthesis demonstration teaching aid, including four glass boxs, by plastic tube and the one-to-one horizontal glass tubule of glass box and with the one-to-one luminous tube group of glass box leading flank, light barrier is provided with around luminous tube group, the left and right side of glass box, trailing flank and bottom surface are provided with shading and insulating layer, it is provided with horizontal glass tubule on the coloured globule, and horizontal glass tubule and is provided with scale.Sodium bicarbonate solution is provided with each glass box, glass box upper surface is provided with mobile piston, the groove for placing blade and the extruding bar being engaged with groove are provided with mobile piston.The utility model simple structure, easy to operate, sensitivity is high, can clearly embody photosynthesis phenomenon.
Description
Technical field
The utility model is related to a kind of simple photosynthesis demonstration teaching aid.
Background technology
Photosynthesis, i.e. luminous energy synthesis refers to green plants and some bacteriums, under the irradiation of visible ray, is passed through
Light reaction and carbon react, and using photosynthetic pigments, carbon dioxide and water are converted into organic matter, and discharge the biochemical mistake of oxygen
Journey.Photosynthesis is the summation of the metabolic response of a series of complex, is the basis that living nature is depended on for existence, be also ground fullerenes-
The important medium of oxygen cycle.
Classmates learn the biochron, during teacher is for the explanation of photosynthesis of plant, in order to be able to more intuitively to
Life represents the overall process that photosynthesis produces oxygen, generally by the method using lecture experiment in teaching.At present, it is general to use
Beaker, funnel, test tube constitute an easy device to do the lecture experiment, and this device needs field combinations, complex steps,
Troublesome poeration, it is impossible to intuitively make classmates understand in a short time plant occur photosynthesis when change, cause student couple
The understanding of knowledge is not deep enough.
Utility model content
The technical problems to be solved in the utility model is：A kind of simple structure, easy to operate simple photosynthesis are provided
Demonstration teaching aid.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of simple photosynthesis demonstration teaching aid, it is characterised in that：Including four glass being placed in transparent experimental box
Case, the horizontal glass tubule connected one to one by plastic tube and glass box and with glass box leading flank correspond set
Luminous tube group, is provided with light barrier around the luminous tube group, the left and right side of the glass box, trailing flank and bottom surface are respectively provided with
There is shading and insulating layer, be provided with the horizontal glass tubule on the coloured globule, and horizontal glass tubule and be provided with scale, it is described
Transparent experimental box has chamber door；
Sodium bicarbonate solution is provided with each glass box, glass box upper surface is provided with and is engaged with glass box upper surface
Mobile piston, be provided with the groove for placing blade and the extruding bar being engaged with groove on mobile piston.
The utility model also includes globule regulation inflator, thermometer, gas conduit and transparent heater box, gas conduit it is upper
End is closely connected with plastic tube, and the lower end of the globule regulation inflator, thermometer and gas conduit is each passed through mobile piston and puts
In in glass box, the transparent heater box lower section is provided with the alcolhol burner of heating, and the mobile piston is provided with to be adjusted with the globule
Globule regulation inflator jack, thermowell and gas conduit jack that solar term cylinder, thermometer and gas conduit are engaged.
Luminous tube quantity in four groups of luminous tube groups increases into multiple；On the external diameter and glass box of the mobile piston
The internal diameter of end face is identical.
The utility model has the positive effect that：
1st, the utility model uses horizontal glass tubule, not by effects of air pressure, can be surveyed by the displacement of the coloured globule
The oxygen volume of leaf photosynthesis generation is measured, and horizontal glass capillary diameter is small, sensitivity is high, and photosynthesis phenomenon shows
Substantially；
2nd, the utility model simple structure, it is easy to operate, different illumination intensity, different temperatures and different two can also be compared
Oxidation concentration of carbon is on photosynthetic influence.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in figure 1, embodiment of the present utility model includes four glass boxs 9 being placed in transparent experimental box, passes through
Horizontal glass tubule 1 and the hair for setting is corresponded with the leading flank of glass box 9 that plastic tube 3 connects one to one with glass box 9
Light pipe group 7, the luminous tube quantity being provided with around the luminous tube group 7 in light barrier 8, and four groups of luminous tube groups 7 increases into multiple
Plus, the left and right side of the glass box 9, trailing flank and bottom surface are provided with shading and insulating layer 5, in the horizontal glass tubule 1
It is provided with the coloured globule 2, and horizontal glass tubule 1 and is provided with scale, the movement of the oxygen for measuring photosynthesis generation
Distance, the transparent experimental box has chamber door.
Sodium bicarbonate solution is provided with each glass box 9, the upper surface of glass box 9 is provided with mobile piston 11, the shifting
The external diameter of piston 11 is identical with the internal diameter of the upper surface of glass box 9, and the ditch for placing blade is provided with mobile piston 11
Groove and the extruding bar being engaged with groove.
Embodiment of the present utility model also includes globule regulation inflator 12, thermometer 10, gas conduit 4 and transparent heater box
6, the upper end of gas conduit 4 is closely connected with plastic tube 3, under the globule regulation inflator 12, thermometer 10 and gas conduit 4
End is each passed through mobile piston 11 and is placed in glass box 9, and the lower section of the transparent heater box 6 is provided with the alcolhol burner of heating, institute
State mobile piston 11 and be provided with the globule regulation inflator being engaged with the globule regulation inflator 12, thermometer 10 and gas conduit 4 and insert
Hole, thermowell and gas conduit jack.
When carrying out photosynthesis experiment, the lower end of globule regulation inflator 12 and gas conduit 4 is located on sodium bicarbonate solution
Face, the lower end of thermometer 10 is stretched into sodium bicarbonate solution, regulation globule regulation inflator 12 so that four horizontal glass tubules 1
The interior coloured globule 2 is located on same vertical line, and blade is placed in each glass box 9 by groove, opens four groups of luminous tubes
Group 7, to obtain four groups of different luminous intensities, under the irradiation for having light, sodium bicarbonate solution is decomposed, and obtains leaf photosynthesis institute
The carbon dioxide and water for needing, blade produce oxygen after carrying out photosynthesis so that the gas in glass box 9 increases, and promotes level
The 1 coloured globule 2 is moved in glass tubule, and the internal diameter area for being multiplied by horizontal glass tubule 1 by displacement can be to survey
Go out the oxygen volume of generation, while can also measure different illumination intensity lower blade carries out photosynthetic difference.
Can be placed on glass box 9 in transparent heater box 6 by the utility model, and transparent heater box 6 is entered using alcolhol burner
Row heating, glass box 9 is heated to carry out photosynthesis under different temperatures, compares photosynthetic difference under different temperatures,
The sodium bicarbonate solution of inequality can be added in glass box so that the two-phase concentration of carbon in glass box is different, than less
With gas concentration lwevel on photosynthetic influence.
Claims (3)
1. a kind of simple photosynthesis demonstration teaching aid, it is characterised in that：Including four glass boxs being placed in transparent experimental box
（9）, by plastic tube（3）With glass box（9）The horizontal glass tubule for connecting one to one（1）And with glass box（9）Leading flank
Correspond the luminous tube group for setting（7）, the luminous tube group（7）Surrounding is provided with light barrier（8）, the glass box（9）'s
Left and right side, trailing flank and bottom surface are provided with shading and insulating layer（5）, the horizontal glass tubule（1）Inside it is provided with colored water
Pearl（2）, and horizontal glass tubule（1）On be provided with scale, the transparent experimental box has chamber door；
Each glass box（9）Inside it is provided with sodium bicarbonate solution, glass box（9）Upper surface is provided with and glass box（9）Upper surface
The mobile piston being engaged（11）, mobile piston（11）On be provided with the groove for placing blade and be engaged with groove squeeze
Press strip.
2. photosynthesis demonstration teaching aid as claimed in claim 1 simple, it is characterised in that：The utility model is also adjusted including the globule
Solar term cylinder（12）, thermometer（10）, gas conduit（4）With transparent heater box（6）, gas conduit（4）Upper end and plastic tube（3）
Closely connection, the globule adjusts inflator（12）, thermometer（10）And gas conduit（4）Lower end be each passed through mobile piston
（11）It is placed in glass box（9）It is interior, the transparent heater box（6）Lower section is provided with the alcolhol burner of heating, the mobile piston
（11）It is provided with and adjusts inflator with the globule（12）, thermometer（10）And gas conduit（4）The globule regulation inflator jack that is engaged,
Thermowell and gas conduit jack.
3. photosynthesis demonstration teaching aid as claimed in claim 1 simple, it is characterised in that：Four groups of luminous tube groups（7）It is interior
Luminous tube quantity into multiple increase；The mobile piston（11）External diameter and glass box（9）The internal diameter of upper surface is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166971.4U CN206249762U (en) | 2016-11-02 | 2016-11-02 | A kind of simple photosynthesis demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166971.4U CN206249762U (en) | 2016-11-02 | 2016-11-02 | A kind of simple photosynthesis demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249762U true CN206249762U (en) | 2017-06-13 |
Family
ID=58997148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621166971.4U Expired - Fee Related CN206249762U (en) | 2016-11-02 | 2016-11-02 | A kind of simple photosynthesis demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545059A (en) * | 2018-03-29 | 2019-03-29 | 李勇 | The device that intensity of illumination influences intensity of photosynthesis |
-
2016
- 2016-11-02 CN CN201621166971.4U patent/CN206249762U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545059A (en) * | 2018-03-29 | 2019-03-29 | 李勇 | The device that intensity of illumination influences intensity of photosynthesis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20171102 |