CN203910140U - Photosynthesis generator - Google Patents
Photosynthesis generator Download PDFInfo
- Publication number
- CN203910140U CN203910140U CN201420314008.0U CN201420314008U CN203910140U CN 203910140 U CN203910140 U CN 203910140U CN 201420314008 U CN201420314008 U CN 201420314008U CN 203910140 U CN203910140 U CN 203910140U
- Authority
- CN
- China
- Prior art keywords
- photosynthesis
- reaction chamber
- generator
- inlet pipe
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cultivation Of Plants (AREA)
Abstract
The utility model provides a photosynthesis generator. The photosynthesis generator comprises a reaction case. The upper part of the reaction case is provided with a box cover in firm connection with the reaction case. The box cover is successively, from left to right, provided with a water inlet pipe, an air inlet pipe and an air outlet pipe. A tunnel at the upper end of the air inlet pipe is provided with a water inlet valve. The air inlet pipe is connected to a carbon dioxide generator through an air inlet valve. The air outlet pipe is provided with an air outlet valve. The bottom part of the reaction box is provided with a fixing net used for fixing water plants. An LED lamp group is disposed above the reaction case, and connected to an LED controller through a circuit. The LED controller is connected to an electric switch. The photosynthesis generator facilitates biology teaching demonstration in junior middle schools. The photosynthesis generator is advantaged by being simple in structure, reasonable in design, convenient in photosynthesis condition control, and repeated in usage.
Description
Technical field
The utility model relates to a kind of teaching demonstration device, especially relates to a kind of for junior middle school's biological teaching demonstration photosynthesis of plant generating means.
Background technology
At present, in the biological teaching process in junior middle school, for student better understands and grasps 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 is generally tested by easy devices of composition such as beaker, funnel and test tubes, there is certain defect in this device, cannot be good fix, the water capacity is easily poured down or forth out, and need to carry out in the sun photosynthesis, and cannot in classroom, demonstrate at any time, be not suitable for teaching and use, and demonstrate photosynthesis DeGrain, thereby increased teacher's teaching load.
Summary of the invention
Problem to be solved in the utility model is to provide one and facilitates teacher to demonstrate photosynthetic generator in classroom, and this generator facilitates operation of teacher and alleviates teacher explains photosynthetic burden in teaching.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of photosynthesis generator, comprise reaction chamber, described reaction chamber top is provided with close-connected case lid, and described case lid is provided with water inlet pipe, draft tube and escape pipe from left to right successively, the funnel of described water inlet pipe upper end is provided with water intaking valve, and described draft tube is by gas admittance valve and CO
2generating means is connected, and described escape pipe is provided with air outlet valve, and described reaction chamber bottom is provided with the fixed network that is used for fixing hydrophyte, and described reaction chamber top is provided with LED lamp group, and described LED lamp group is connected with LED controller by circuit.
Described reaction chamber is provided with volume graduated scale.
Described CO
2generating means comprises vertical tube, constant pressure funnel, and described vertical tube top is provided with rubber plug, in the middle of described rubber plug, is provided with circular hole, and described constant pressure funnel stretches in described vertical tube by described circular hole, and described constant pressure funnel is provided with cock.
Described escape pipe top is sharp nozzle tube shape.
Described reaction chamber, described water inlet pipe, described draft tube and described escape pipe are transparent.
Owing to adopting technique scheme, the utility model makes to demonstrate in the biological teaching process in junior middle school convenient, and that this practicality has advantages of is simple in structure, reasonable in design, be convenient to control Photosynthetic Conditions, can Reusability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
In figure:
1, reaction chamber 2, volume graduated scale 3, water inlet pipe
4, water intaking valve 5, draft tube 6, gas admittance valve
7, CO
2generating means 8, cock 9, constant pressure funnel
10, LED lamp group 11, LED lamp 12, escape pipe
13, air outlet valve 14, hydrophyte 15, fixed network
Embodiment
As shown in Figure 1, this practicality provides a kind of photosynthesis generator, comprises reaction chamber 1, and reaction chamber 1 is provided with arranged outside volume graduated scale 2, the water volume being used in observing response case; Reaction chamber 1 top is provided with close-connected case lid, and case lid top is provided with water inlet pipe 3, draft tube 5 and escape pipe 12 from left to right successively, and the funnel of draft tube 3 upper ends is provided with water intaking valve 4, and draft tube 5 is by gas admittance valve 6 and CO
2generating means 7 is connected, and escape pipe 12 is provided with air outlet valve 13, and air outlet valve 13 is located at the connecting hose place at escape pipe middle part, and escape pipe 12 tops are sharp nozzle tube shape; Reaction chamber 1 bottom is provided with the fixed network 15 that is used for fixing hydrophyte 14, and reaction chamber 1 top is provided with LED lamp group 10, and LED lamp group 10 is connected with LED controller by circuit, and LED controller is connected with electric switch.
CO
2generating means 7 comprises vertical tube, constant pressure funnel 9, and vertical tube top is provided with rubber plug, in the middle of rubber plug, is provided with circular hole, and constant pressure funnel 9 stretches in vertical tube by described circular hole, and constant pressure funnel 9 is provided with cock 8.
Reaction chamber 1, water inlet pipe 3, draft tube 5 and escape pipe 12 are transparent.
LED controller comprises chip, and chip is connected with each LED lamp 11 in LED lamp group 10, and LED controller is used for controlling stroboscopic and the intensity of illumination of LED lamp group 11.
The course of work of this example: when use, first case lid is opened, then hydrophyte is put into reaction warehouse 1, fix with fixed network, then close case lid, to the interior water filling of reaction warehouse 1, clamp water intaking valve 4 by water inlet pipe 3 in the time that the interior water of collection chamber 9 is full, stop; Then open gas admittance valve 6, cock 8, pass into CO
2, then turn on LED lamp group 11, thereby can see in reaction chamber 1 water have Bubble formation, and, on the water surface in water inlet pipe 3, constantly rise; Can adopt as required LED controller to adjust intensity of illumination and the stroboscopic of LED lamp group 10, control CO by switching gas admittance valve 6, cock 8
2intake, thereby accelerate or the photosynthesis of the plant that slows down, make student better understand the influence factor of photosynthesis of plant from experimental phenomena.
Gas to escape pipe 12 is tested, and by be placed on escape pipe 12 tops with the match of Mars, opens air outlet valve 13, and the gas in escape pipe 12 makes the match resume combustion with Mars, can judge that this gas is oxygen.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (5)
1. a photosynthesis generator, it is characterized in that: comprise reaction chamber, described reaction chamber top is provided with close-connected case lid, and described case lid is provided with water inlet pipe, draft tube and escape pipe from left to right successively, the funnel of described water inlet pipe upper end is provided with water intaking valve, and described draft tube is by gas admittance valve and CO
2generating means is connected, and described escape pipe is provided with air outlet valve, and described reaction chamber bottom is provided with the fixed network that is used for fixing hydrophyte, and described reaction chamber top is provided with LED lamp group, and described LED lamp group is connected with LED controller by circuit.
2. a kind of photosynthesis generator according to claim 1, is characterized in that: described reaction chamber is provided with volume graduated scale.
3. a kind of photosynthesis generator according to claim 1, is characterized in that: described CO
2generating means comprises vertical tube, constant pressure funnel, and described vertical tube top is provided with rubber plug, in the middle of described rubber plug, is provided with circular hole, and described constant pressure funnel stretches in described vertical tube by described circular hole, and described constant pressure funnel is provided with cock.
4. a kind of photosynthesis generator according to claim 1, is characterized in that: described escape pipe top is sharp nozzle tube shape.
5. a kind of photosynthesis generator according to claim 1, is characterized in that: described reaction chamber, described water inlet pipe, described draft tube and described escape pipe are transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314008.0U CN203910140U (en) | 2014-06-13 | 2014-06-13 | Photosynthesis generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314008.0U CN203910140U (en) | 2014-06-13 | 2014-06-13 | Photosynthesis generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910140U true CN203910140U (en) | 2014-10-29 |
Family
ID=51784397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420314008.0U Expired - Fee Related CN203910140U (en) | 2014-06-13 | 2014-06-13 | Photosynthesis generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409005A (en) * | 2014-11-27 | 2015-03-11 | 蔡长青 | Photosynthesis oxygen enhancement demonstrating device |
-
2014
- 2014-06-13 CN CN201420314008.0U patent/CN203910140U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409005A (en) * | 2014-11-27 | 2015-03-11 | 蔡长青 | Photosynthesis oxygen enhancement demonstrating device |
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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: 20141029 Termination date: 20150613 |
|
| EXPY | Termination of patent right or utility model |