CN205405964U - Junior middle school is photosynthesis generator for biological teaching - Google Patents
Junior middle school is photosynthesis generator for biological teaching Download PDFInfo
- Publication number
- CN205405964U CN205405964U CN201521004014.7U CN201521004014U CN205405964U CN 205405964 U CN205405964 U CN 205405964U CN 201521004014 U CN201521004014 U CN 201521004014U CN 205405964 U CN205405964 U CN 205405964U
- Authority
- CN
- China
- Prior art keywords
- reaction chamber
- photosynthesis
- generator
- middle school
- inlet pipe
- 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
Links
Abstract
The utility model discloses a junior middle school is photosynthesis generator for biological teaching, including the reaction box, a sealing cover, the aquatic plant fixed network, the left side of reaction box is provided with inlet tube and intake pipe, the right side of reaction box is provided with the outlet duct, intake -tube connection has CO2 generating device, be provided with pressure relief device in the intake pipe, pressure relief device includes the disappointing pipe with the intake pipe intercommunication, it is provided with the block to let out tracheal top, the intraductal activity of losing heart is provided with the closing plate, disappointing pipe is provided with the venthole on being located the outer wall between block and the closing plate, the block passes through a spring coupling with the closing plate, the both sides inner wall of reaction box is provided with the guide rail along vertical direction, and the both sides of aquatic plant fixed network are provided with the wheel that rolls, and the guide rail is connected with the wheel sliding fit that rolls, the bottom of aquatic plant fixed network is passed through the telescopic link with the bottom of reaction box and is connected. The beneficial effects are that: longe -lived, convenient to use.
Description
Technical field
This utility model relates to one junior middle school bioconversion medium photosynthesis generator.
Background technology
At present, in junior middle school's biology teaching process, being better understood from for student and grasp the biological knowledge learned, teacher generally can adopt the mode that textbook theoretical knowledge combines with biological sample to impart knowledge to students.And photosynthesis is the important content in junior middle school's biology teaching process, photosynthesis is green plants and algae utilizes the photosynthetic pigments such as chlorophyll and some antibacterial to utilize its cell itself, under the irradiation of visible ray, carbon dioxide and water are converted into Organic substance, and discharge the biochemical process of oxygen.Teaching is generally adopted and experimentally allows the student can direct vision grasping.Existing experimental technique is tested typically via one easy device of the compositions such as beaker, funnel and test tube, there is certain defect in this device, cannot be good fixing, the water capacity easily is poured down or forth out, and need to carry out in the sun photosynthesis, it is impossible to demonstrate at any time in classroom, be not suitable for teaching and use, and demonstrate photosynthesis DeGrain, thus add the teaching load of teacher.
In view of this, Chinese patent 201420314008.0 discloses a kind of photosynthesis generator, including reaction chamber, reaction chamber top is provided with close-connected case lid, case lid is sequentially provided with water inlet pipe, air inlet pipe and escape pipe from left to right, the funnel of air inlet pipe upper end is provided with water intaking valve, air inlet pipe is connected with CO2 generating means by intake valve, escape pipe is provided with air outlet valve, the fixing net being used for fixing water plant it is provided with bottom reaction chamber, reaction chamber is arranged over LED group, and LED group is connected with LED controller by circuit, and LED controller is connected with electric switch.This utility model makes junior middle school's biology teaching demonstration convenient.But it there is problems in that when 1. air inlet pipe are blocked, it is easy to the internal pressure causing CO2 generating means is excessive, cause the damage of CO2 generating means；2. the height of fixing net can not regulate, in-convenience in use.
Utility model content
Problem to be solved in the utility model is to provide a kind of life-span length, junior middle school's bioconversion medium photosynthesis generator easy to use.
nullIn order to solve above-mentioned technical problem，The technical solution adopted in the utility model is: a kind of junior middle school's bioconversion medium photosynthesis generator，Including reaction chamber、It is arranged on the sealing lid at reaction chamber top、It is movably arranged on the fixing net of the water plant in described reaction chamber，The left side of described reaction chamber is provided with water inlet pipe and air inlet pipe，The right side of described reaction chamber is provided with escape pipe，Described air inlet pipe is connected to CO2 generating means，Described CO2 generating means includes constant pressure funnel and test tube，The top of described test tube is provided with rubber closure，Described constant pressure funnel penetrates in described test tube through described rubber closure，It is characterized in that，Described air inlet pipe is provided with pressure relief device，Described pressure relief device includes the gas outlet connected with described air inlet pipe，The top of described gas outlet is provided with block，It is movably set with sealing plate in described gas outlet，Described gas outlet is provided with venthole on the outer wall between described block and sealing plate，Described block is connected by the first spring with described sealing plate；The both sides inwall of described reaction chamber is vertically provided with guide rail, and described water plant is fixed the both sides of net and is provided with scroll wheel, described guide rail and described scroll wheel sliding connection；The bottom of bottom and described reaction chamber that described water plant fixes net is connected by expansion link；The body that described expansion link includes being connected with described reaction chamber fixes the body of rod that net is connected, the set screw being rotatably disposed on described body, the second spring of being arranged in described body with described water plant, the bottom of the described body of rod is inserted in described body, the termination of described set screw be screwed in the inner chamber of described body and with the wall contacts of the described body of rod, the top of described second spring and the base contact of the described body of rod.
Preferably, above-mentioned junior middle school's bioconversion medium photosynthesis generator, the bottom of wherein said sealing lid is provided with lamp body.
Preferably, above-mentioned junior middle school's bioconversion medium photosynthesis generator, the bottom of wherein said sealing lid is positioned at the both sides of described lamp body and is hinged with illuminator respectively through a montant.
Preferably, above-mentioned junior middle school's bioconversion medium photosynthesis generator, wherein said gas outlet is positioned at described venthole place and is provided with pneumatic warner.
Preferably, above-mentioned junior middle school's bioconversion medium photosynthesis generator, wherein said pneumatic warner is whistle.
Of the present utility model have the technical effect that: when air inlet pipe is blocked, cause that the pressure in air inlet pipe increases, gas can promote sealing plate to move towards block, then gas is discharged from venthole, serve the effect of pressure release, prevent and damage CO2 generating means because pressure is excessive, extend service life；Water plant can be adjusted by the length of adjustable telescopic rod and fix the height of net, be easy to use；Guide rail and scroll wheel sliding connection, so design makes water plant fix off the net to drop or rise more steadily, and frictional force is less；Second spring makes the structure of expansion link firmer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A place partial enlarged drawing in Fig. 1；
Fig. 3 is the structural representation of expansion link in Fig. 1；
Fig. 4 is the structural representation of pressure relief device in Fig. 1.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
As shown in Figure 1,2,3, 4, a kind of junior middle school's bioconversion medium photosynthesis generator, including reaction chamber 1, the fixing net 3 of the water plant sealing lid 2, being movably arranged in reaction chamber 1 being arranged on reaction chamber 1 top, the left side of reaction chamber 1 is provided with water inlet pipe 11 and air inlet pipe 12, the right side of reaction chamber 1 is provided with escape pipe 13, air inlet pipe 12 is connected to and CO2 generating means, CO2 generating means includes constant pressure funnel 41 and test tube 42, the top of test tube 42 is provided with rubber closure 43, and constant pressure funnel 41 penetrates in test tube 42 through rubber closure 43.
Air inlet pipe 12 is provided with pressure relief device 5, pressure relief device 5 includes the gas outlet 51 connected with air inlet pipe 12, the top of gas outlet 51 is provided with block 52, sealing plate 53 it is movably set with in gas outlet 51, gas outlet 51 is provided with venthole 54 on the outer wall between block 52 and sealing plate 53, block 52 is connected by the first spring 55 with sealing plate 53.
The both sides inwall of reaction chamber 1 is vertically provided with guide rail 61, and the both sides of the fixing net 3 of water plant are provided with scroll wheel 62, guide rail 61 and scroll wheel 62 sliding connection；The fixing bottom of net 3 of water plant is connected by expansion link 7 with the bottom of reaction chamber 1；Expansion link 7 includes the body of rod 72 that the body 71 that is connected with reaction chamber 1 is connected, the set screw 73 being rotatably disposed on body 71, the second spring 74 of being arranged in body 71 with the fixing net 3 of water plant, the bottom of the body of rod 72 is inserted in body 71, the termination of set screw 73 be screwed in the inner chamber of body 71 and with the wall contacts of the body of rod 72, the top of the second spring 74 and the base contact of the body of rod 72.
When air inlet pipe 12 is blocked, causing that the pressure in air inlet pipe 12 increases, gas can promote sealing plate 53 to move towards block 52, then gas is discharged from venthole 54, serve the effect of pressure release, it is therefore prevented that damage CO2 generating means because pressure is excessive, extend service life；The height of the fixing net 3 of water plant can be adjusted by the length of adjustable telescopic rod 7, be easy to use；Guide rail 61 and scroll wheel 62 sliding connection, so design makes the fixing net 3 of water plant decline or rise more steady, and frictional force is less；Second spring 74 makes the structure of expansion link 7 firmer.
The bottom sealing lid 2 is provided with lamp body 81, and the bottom of sealing lid 2 is positioned at the both sides of lamp body 81 and is hinged with illuminator 83 respectively through a montant 82.So design makes the light that lamp body 81 sends can reflex on plant.
Gas outlet 51 is positioned at venthole 54 place and is provided with pneumatic warner 56, and pneumatic warner 56 is whistle.Gas from venthole 54 discharge time, pneumatic warner 56 can be triggered and report to the police, play remind user effect.
Embodiment described above is that preferred implementation of the present utility model is described, and not design of the present utility model and scope is defined.Under the premise without departing from this utility model design concept; various modification that the technical solution of the utility model is made by this area ordinary person and improvement; protection domain of the present utility model all should be dropped into, the technology contents that this utility model is claimed, all record in detail in the claims.
Claims (5)
- null1. junior middle school's bioconversion medium photosynthesis generator，Including reaction chamber、It is arranged on the sealing lid at reaction chamber top、It is movably arranged on the fixing net of the water plant in described reaction chamber，The left side of described reaction chamber is provided with water inlet pipe and air inlet pipe，The right side of described reaction chamber is provided with escape pipe，Described air inlet pipe is connected to CO2 generating means，Described CO2 generating means includes constant pressure funnel and test tube，The top of described test tube is provided with rubber closure，Described constant pressure funnel penetrates in described test tube through described rubber closure，It is characterized in that: described air inlet pipe is provided with pressure relief device，Described pressure relief device includes the gas outlet connected with described air inlet pipe，The top of described gas outlet is provided with block，It is movably set with sealing plate in described gas outlet，Described gas outlet is provided with venthole on the outer wall between described block and sealing plate，Described block is connected by the first spring with described sealing plate；The both sides inwall of described reaction chamber is vertically provided with guide rail, and described water plant is fixed the both sides of net and is provided with scroll wheel, described guide rail and described scroll wheel sliding connection；The bottom of bottom and described reaction chamber that described water plant fixes net is connected by expansion link；The body that described expansion link includes being connected with described reaction chamber fixes the body of rod that net is connected, the set screw being rotatably disposed on described body, the second spring of being arranged in described body with described water plant, the bottom of the described body of rod is inserted in described body, the termination of described set screw be screwed in the inner chamber of described body and with the wall contacts of the described body of rod, the top of described second spring and the base contact of the described body of rod.
- 2. junior middle school according to claim 1 bioconversion medium photosynthesis generator, it is characterised in that: the described bottom sealing lid is provided with lamp body.
- 3. junior middle school according to claim 2 bioconversion medium photosynthesis generator, it is characterised in that: the both sides that the described bottom sealing lid is positioned at described lamp body are hinged with illuminator respectively through a montant.
- 4. junior middle school according to claim 1 bioconversion medium photosynthesis generator, it is characterised in that: described gas outlet is positioned at described venthole place and is provided with pneumatic warner.
- 5. junior middle school according to claim 4 bioconversion medium photosynthesis generator, it is characterised in that: described pneumatic warner is whistle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004014.7U CN205405964U (en) | 2015-12-04 | 2015-12-04 | Junior middle school is photosynthesis generator for biological teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004014.7U CN205405964U (en) | 2015-12-04 | 2015-12-04 | Junior middle school is photosynthesis generator for biological teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205405964U true CN205405964U (en) | 2016-07-27 |
Family
ID=56449767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004014.7U Expired - Fee Related CN205405964U (en) | 2015-12-04 | 2015-12-04 | Junior middle school is photosynthesis generator for biological teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205405964U (en) |
-
2015
- 2015-12-04 CN CN201521004014.7U patent/CN205405964U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102138834B (en) | Anesthesia device for animal experiment | |
| CN205405964U (en) | Junior middle school is photosynthesis generator for biological teaching | |
| CN204706267U (en) | High school chemical experiment examination equipment | |
| CN207011442U (en) | A kind of stem of noble dendrobium tissue culture flasks | |
| CN202422548U (en) | Photosynthesis reactor for biological teaching experiment | |
| CN204229728U (en) | A kind of chlorella photosynthesis teaching and experimental demonstration device | |
| CN203986801U (en) | Medical sight sheet table | |
| CN206932844U (en) | A kind of edible fungi inoculation device | |
| CN203910140U (en) | Photosynthesis generator | |
| CN201122375Y (en) | Photosynthesis reaction device | |
| CN207571954U (en) | A kind of bioconversion medium photosynthesis reactor | |
| CN210205777U (en) | Vocal music teaching is with breathing trainer | |
| CN204270579U (en) | A kind of demonstrating experiment device of properties of carbon dioxide | |
| CN104361810A (en) | Carbon dioxide property demonstrative experiment device | |
| CN112742492A (en) | Test tube for biotechnology | |
| CN107331273A (en) | A kind of controllable bioconversion medium photosynthesis reactor | |
| CN201557420U (en) | Plant group culture seedling CO2 supplementing device | |
| CN205318732U (en) | Demonstrator for photosynthesis | |
| CN220509591U (en) | Experimental device for teaching and studying | |
| CN204516211U (en) | A kind of multi-usage properties of carbon dioxide demonstrating experiment device | |
| CN209168517U (en) | Equipment is used in a kind of shadow teaching of adjustable-angle | |
| CN207071411U (en) | A kind of portable chemistry experiment box | |
| CN202948644U (en) | Animal breathing process amplification device for biology lesson | |
| CN206654307U (en) | A kind of student's biological sample conserving case | |
| CN203689762U (en) | Experiment apparatus for exploring properties of oxygen |
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: 20160727 Termination date: 20161204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |