CN203673740U - Photosynthesis teaching experiment presentation device - Google Patents
Photosynthesis teaching experiment presentation device Download PDFInfo
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- CN203673740U CN203673740U CN201420021911.8U CN201420021911U CN203673740U CN 203673740 U CN203673740 U CN 203673740U CN 201420021911 U CN201420021911 U CN 201420021911U CN 203673740 U CN203673740 U CN 203673740U
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- reaction chamber
- photosynthesis
- teaching
- carbon dioxide
- pipeline
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Abstract
The utility model relates to a teaching experiment device, and concretely discloses a photosynthesis teaching experiment presentation device. The photosynthesis teaching experiment presentation device is simple in structure and convenient to use, and the carbon dioxide provided by the device can be used for finishing parallel experiments of a plurality of classes. The device comprises a first reaction chamber (1), and a carbon dioxide supply device (2) connected with the first reaction chamber (1), wherein the a lid is disposed above the first reaction chamber (1), a first exhaust vent (3) is connected with a first gas gathering chamber (4) through a plastic hose, one side of the lower part of the first reaction chamber (1) is connected with the carbon dioxide supply device (2) through a pipe, a submerged pump (5) is disposed inside the first reaction chamber (1) and is connected with a pipeline penetrating through the lower part of the first reaction chamber (1), and the other end of the pipeline is connected with the lower part of a second reaction chamber (6). The beneficial effects are that the device is simple in structure and convenient to use, and a photosynthesis experiment can be carried out indoors and in cloudy days.
Description
Technical field
The utility model relates to the technical field of experiment device for teaching, is specially a kind of photosynthesis teaching and experimental demonstration device.
Background technology
Middle school student have possessed certain observation and cognitive ability, purpose, continuity and the logicality of analytic thinking also tentatively set up, but be still far from perfect, to the exploration curiosity of things, often there is again blindness, lack purpose, and process and method to Scientific exploration and the unreason thinking of formation of conclusion.Therefore in teaching process, teacher will create the chance of student's activities as far as possible, allows student become the main body of learning activities, and teacher is just for student's study provides necessary guidance and knowledge place mat.
At present, in the biological teaching process in junior middle school, in order to improve the quality of teaching, allow student better understand and to grasp the biological knowledge of learning, the mode that teacher generally can adopt textbook knowwhy to combine with biological sample is imparted knowledge to students.And photosynthesis is the important content in the biological teaching process in junior middle school, photosynthesis is that green plants and algae utilize the photosynthetic pigments such as chlorophyll and some bacterium to utilize its cell itself, under the irradiation of visible ray, carbon dioxide and water are converted into organism, and discharge the biochemical process of oxygen.In teaching, conventionally adopt the method for experiment that student can intuitively be observed and grasp.Existing experimental technique generally all needs to carry out in the sun photosynthesis, cannot in classroom, demonstrate at any time, being not suitable for teaching uses, and the carbon dioxide providing can not complete many experiments, be not suitable for the parallel laboratory test of multiple classes, so just make experimental implementation cumbersome, while being test of many times, if do not do an experimental demonstration, just must go to fixing laboratory to prepare the required carbon dioxide of next experiment, for this reason, we have developed a kind of photosynthesis teaching and experimental demonstration device easy to use.
Utility model content
It is a kind of simple in structure, easy to use that the purpose of this utility model is to provide, and the carbon dioxide providing can complete the photosynthesis teaching and experimental demonstration device of the parallel laboratory test of multiple classes.
In order to realize described object, the utility model specifically adopts following technical scheme:
A kind of photosynthesis teaching and experimental demonstration device, comprises the first reaction chamber 1, the carbon dioxide feeder 2 being connected with the first reaction chamber 1.The first described reaction chamber 1 top is provided with lid, and its lid is provided with vent port I 3, and described vent port I 3 is connected with collection chamber I 4 by plastic flexible pipe; It is characterized in that: the first described reaction chamber 1 bottom one side is connected with carbon dioxide feeder 2 by a pipeline, inside is provided with submersible pump 5, and the pipeline that submersible pump 5 and passes the first reaction chamber 1 bottom is connected, and the other end of pipeline is connected with the second reaction chamber 6 bottoms; The second described reaction chamber 6 bottoms are provided with base 7, and center is provided with artificial light source 8, and top one side is provided with vent port II 9, and vent port II 9 is connected with collection chamber II 10 by a flexible plastic tube.
The second described reaction chamber 6 is loop configuration.
Described connection the first reaction chamber 1 is provided with operation valve 11 with the pipeline of carbon dioxide feeder 2.
Described collection chamber I 4, is respectively equipped with exhausr port 12 in collection chamber II 10.
Described exhausr port 12 is provided with vent cap 13.
Described the first reaction chamber 1, the second reaction chamber 6 are made up of glass.
A kind of photosynthesis teaching and experimental demonstration of the utility model device, the first described reaction chamber 1 bottom one side is connected with carbon dioxide feeder 2 by a pipeline, and its carbon dioxide providing can complete the parallel laboratory test of multiple classes; The first reaction chamber 1 inside is provided with submersible pump 5, and the pipeline that submersible pump 5 and passes the first reaction chamber 1 bottom is connected, and the other end of pipeline is connected with the second reaction chamber 6 bottoms, the second reaction chamber 6 centers are provided with artificial light source 8, photosynthesis experiment can be carried out at indoor, cloudy day, simple in structure, easy to use.
Compared with prior art, the beneficial effects of the utility model are: simple in structure, and photosynthesis experiment can carry out at indoor, cloudy day, and easy to use; The carbon dioxide that carbon dioxide feeder provides can complete the parallel laboratory test of multiple classes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: the first reaction chamber 1, carbon dioxide feeder 2, vent port I 3, collection chamber I 4, submersible pump 5, the second reaction chambers 6, base 7, artificial light source 8, vent port II 9, collection chamber II 10, operation valve 11, exhausr port 12, vent cap 13.
Embodiment
Below in conjunction with accompanying drawing 1, structure of the present utility model and beneficial effect thereof are further illustrated.
Example 1
A kind of photosynthesis teaching and experimental demonstration device, as shown in Figure 1, comprises the first reaction chamber 1, the carbon dioxide feeder 2 being connected with the first reaction chamber 1.The first described reaction chamber 1 top is provided with lid, and its lid is provided with vent port I 3, and described vent port I 3 is connected with collection chamber I 4 by plastic flexible pipe; The first described reaction chamber 1 bottom one side is connected with carbon dioxide feeder 2 by a pipeline, and inside is provided with submersible pump 5, and the pipeline that submersible pump 5 and passes the first reaction chamber 1 bottom is connected, and the other end of pipeline is connected with the second reaction chamber 6 bottoms; The second described reaction chamber 6 bottoms are provided with base 7, and center is provided with artificial light source 8, and top one side is provided with vent port II 9, and vent port II 9 is connected with collection chamber II 10 by a flexible plastic tube.
The second described reaction chamber 6 is loop configuration.
Described connection the first reaction chamber 1 is provided with operation valve 11, the air inflow of regulation of carbon dioxide and discharge thereof with the pipeline of carbon dioxide feeder 2.
While test in the sun, open operation valve 11 carbon dioxide is entered in the algae liquid in it from the first reaction chamber 1 below, reflect, algae liquid is inner can produce tiny bubble, and the gas that reaction produces enters collection chamber I 4 by vent port I 3; After reaction a period of time, open exhausr port 12 and be provided with vent cap 13, will be placed on the oral area of exhausr port 12 with the ignition substance of Mars, the gas in collection chamber I 4 is emitted, ignition substance resume combustion, can be judged as oxygen.
Example 2
A kind of photosynthesis teaching and experimental demonstration device, its concrete structure as described in Example 1.
When this practicality is during in indoor or cloudy experiment, open operation valve 11 carbon dioxide is entered in the algae liquid in it from the first reaction chamber 1 below, then submersible pump 5 is electrified, make the algae liquid of the first reaction chamber 1 inside be entered the second reaction chamber 6 by its pump, open artificial light source 8, it is reacted; The gas that course of reaction produces, rises to the second reaction chamber 6 tops, and is discharged in collection chamber II 10 by vent port II 9; Then open exhausr port and be provided with vent cap, will be placed on the oral area of exhausr port with the ignition substance of Mars, the gas in collection chamber II 10 is emitted, ignition substance resume combustion, can be judged as oxygen.
Claims (6)
1. a photosynthesis teaching and experimental demonstration device, comprises the first reaction chamber (1), the carbon dioxide feeder (2) being connected with the first reaction chamber 1; Described the first reaction chamber (1) top is provided with lid, and its lid is provided with vent port I (3), and described vent port I (3) is connected with collection chamber I (4) by plastic flexible pipe; It is characterized in that: described the first reaction chamber (1) bottom one side is connected with carbon dioxide feeder (2) by a pipeline, inside is provided with submersible pump (5), and the pipeline that submersible pump (5) and passes the first reaction chamber (1) bottom is connected, and the other end of pipeline is connected with the second reaction chamber (6) bottom; Described the second reaction chamber (6) bottom is provided with base (7), and center is provided with artificial light source (8), and top one side is provided with vent port II (9), and vent port II (9) is connected with collection chamber II (10) by a flexible plastic tube.
2. a kind of photosynthesis teaching and experimental demonstration device according to claim 1, is characterized in that: described the second reaction chamber (6) is loop configuration.
3. a kind of photosynthesis teaching and experimental demonstration device according to claim 1, is characterized in that: described connection the first reaction chamber (1) is provided with operation valve (11) with the pipeline of carbon dioxide feeder (2).
4. a kind of photosynthesis teaching and experimental demonstration device according to claim 1, is characterized in that: described collection chamber I (4), is respectively equipped with exhausr port (12) in collection chamber II (10).
5. a kind of photosynthesis teaching and experimental demonstration device according to claim 4, is characterized in that: described exhausr port (12) is provided with vent cap (13).
6. a kind of photosynthesis teaching and experimental demonstration device according to claim 1, is characterized in that: described the first reaction chamber (1), the second reaction chamber (6) are made up of glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420021911.8U CN203673740U (en) | 2014-01-14 | 2014-01-14 | Photosynthesis teaching experiment presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420021911.8U CN203673740U (en) | 2014-01-14 | 2014-01-14 | Photosynthesis teaching experiment presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203673740U true CN203673740U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420021911.8U Expired - Fee Related CN203673740U (en) | 2014-01-14 | 2014-01-14 | Photosynthesis teaching experiment presentation device |
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| Country | Link |
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| CN (1) | CN203673740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016090519A1 (en) * | 2014-12-09 | 2016-06-16 | 林伯刚 | Photosynthesis microfluidic channel chamber and photosynthesis method |
-
2014
- 2014-01-14 CN CN201420021911.8U patent/CN203673740U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016090519A1 (en) * | 2014-12-09 | 2016-06-16 | 林伯刚 | Photosynthesis microfluidic channel chamber and photosynthesis method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20150114 |
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| EXPY | Termination of patent right or utility model |