CN210804942U - Photosynthesis exploration experimental apparatus - Google Patents
Photosynthesis exploration experimental apparatus Download PDFInfo
- Publication number
- CN210804942U CN210804942U CN201920352142.2U CN201920352142U CN210804942U CN 210804942 U CN210804942 U CN 210804942U CN 201920352142 U CN201920352142 U CN 201920352142U CN 210804942 U CN210804942 U CN 210804942U
- Authority
- CN
- China
- Prior art keywords
- box
- hole
- closed
- photosynthesis
- experiment
- 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.)
- Active
Links
Images
Landscapes
- Cultivation Of Plants (AREA)
Abstract
The utility model particularly relates to a photosynthesis explores experimental apparatus, including reflecting light end cover, take the airtight experiment box and the light source equipment of lid. The whole closed experimental box can be arranged in the inner cavity of the reflecting bottom cover. The first through hole, the second through hole and the third through hole are arranged on the closed experiment box cover, and the corresponding silica gel plugs can be respectively placed for sealing; the first through hole can be inserted into the carbon dioxide supplementing device, the carbon dioxide sensor and the oxygen sensor and is arranged in the box; a heating sheet and a temperature sensor are placed in the closed experimental box; the heating sheet and the temperature sensor are connected with a heating control circuit arranged outside the experimental box through a through hole arranged on the side wall of the experimental box; the light source of the light source equipment is an LED bulb with adjustable light-emitting color and intensity; the light source is positioned at the top of the closed experimental box. The measured data of this device cooperates the corresponding equipment of product, can read out, record, analysis in real time, directly perceivedly on mobile device, deepens the student and understands, satisfies the demand of digital experiment teaching.
Description
Technical Field
The invention relates to the field of biological teaching experimental equipment, in particular to a photosynthesis exploration experimental device.
Background
Photosynthesis, which is a process in which green plants (including algae) absorb light energy, synthesize energy-rich organic matter from carbon dioxide (CO2) and water (H2O), and release oxygen, is generally important to plants. Specifically included in high school biology teaching are: within a certain illumination intensity range, the speed of photosynthesis is accelerated along with the increase of the illumination intensity; in a certain concentration range, the photosynthesis speed is accelerated along with the increase of the concentration of CO 2; the photosynthesis can be carried out only in a certain temperature range, and at the optimal temperature, the photosynthesis speed is fastest and is higher or lower than the optimal temperature, and the photosynthesis speed is reduced; light qualities of different wavelengths have different effects on photosynthesis. Therefore, the photosynthesis needs to be studied experimentally.
The existing experimental device for photosynthesis often has the following defects: (1) the sunshine lamp can not change the color, thereby the experiment of 'the influence of the light quality on the photosynthesis of the green plants' can not be carried out. (2) The device is heavy, a specific experiment (such as the influence of light intensity on the photosynthesis of green plants) is carried out, other parts (such as a heating device) are still positioned in the experiment device, and the limitation (3) is that the light source is easy to disperse and is not enough to meet the requirement of the green plants on the light intensity, so that the experiment result is influenced. (4) Some experimental apparatus's heating plate is located the reaction box inner wall, and the reaction box needs the water injection, has the danger in the actual student operation process. (5) The experimental device adopts traditional laboratory glassware, does not set up the sensor, only according to the gas that the gas collecting bottle was collected to the observation of experiment, and experimental error is great. Therefore, a research laboratory for photosynthesis which can overcome the above disadvantages is needed.
Disclosure of Invention
1. The technical problem to be solved is as follows:
aiming at the technical problems, the invention provides a photosynthesis exploration experimental device. The color-adjustable LED light source is adopted by the experimental device, and the requirement of the corresponding wavelength for change in the experiment can be met. Each part can be independently in this experiment ware, selects different subassemblies with different experiment purposes, and the convenience is strong more has the openness.
2. The technical scheme is as follows:
a photosynthesis exploration experimental device is characterized in that: comprises a reflective bottom cover, a closed experimental box with a cover and a light source device.
The whole closed experimental box can be arranged in the inner cavity of the reflecting bottom cover.
The first through hole, the second through hole and the third through hole are formed in the closed experiment box cover, and the corresponding silica gel plugs can be placed in the closed experiment box cover for sealing; the first, second and third through holes are used for selectively inserting one or more of a carbon dioxide supplementing device, a carbon dioxide sensor and an oxygen sensor into the box according to the experiment purpose; a heating sheet and a temperature sensor probe are placed in the closed experimental box; the heating sheet and the temperature sensor probe are connected with a heating control circuit arranged outside the experiment box through a through hole arranged on the side wall of the experiment box; the light source of the light source equipment is an LED bulb with adjustable light-emitting color and intensity; the light source is positioned at the top of the closed experimental box.
Further, the carbon dioxide supplementing device comprises a silica gel plug, a one-way valve and a silica gel tube; a through hole is formed in the middle of the silica gel plug and can be communicated with the cavity of the silica gel tube; the check valve is arranged in the silica gel plug to control the direction of air flow.
Furthermore, the reflective bottom cover is a spiral steel wire framework, and the upper end and the lower end of the reflective bottom cover are covered by hard plastic plates; the outer layer of the light-reflecting bottom cover is covered with a black pvc film, and the inner layer is made of aluminum foil paper; the hard plastic plate at the upper end of the side wall of the light reflecting bottom cover is provided with two groups of opposite through holes; when the closed experimental box is put into the reflective bottom cover, the through holes are inserted into the two carbon fiber rods in parallel, and the carbon fiber rods are positioned on the upper surface of the box cover of the closed experimental box.
Further, the control circuit of the heating plate comprises a power supply of 12V.
Furthermore, the heating plate and the temperature sensor probe are fixed inside the experiment box body through a sucker.
Further, a humidity sensor is also included; the humidity sensor can be inserted into the closed experimental box through one of the first through hole, the second through hole and the third through hole.
3. Has the advantages that:
(1) the light source that this laboratory glassware adopted is the light source of adjustable colour, and light source device can be the form of desk lamp among the actual operation to change the colour of light source through the remote controller, can realize the influence "this experiment of light quality to green plant photosynthesis.
(2) The carbon dioxide supplementary device, the heating device, the reflecting device and the lamp source in each part of the experimental device are independent devices, different assemblies can be selected according to different experimental purposes, and the experimental device is convenient and quick and strong in purpose and has more openness.
(3) This experiment ware adopts reflex reflector, and light can be through setting up the reflection aluminium foil in the end cover that reflects light, and light passes through the reflection of aluminium foil paper, is carried out photosynthesis by plant leaf and utilizes, can satisfy the needs of experiment under the indoor environment basically.
(4) The heating device adopted in the experimental apparatus is a detachable heating plate structure, and the temperature probe is hung in the closed experimental box through a sucker. And the heating plate supplies power for direct current 12v, and belongs to the category of safe voltage. Meanwhile, the temperature control module is embedded in the heating plate, so that overburning is prevented, and the service life is prolonged.
(5) This experiment ware adopts oxygen sensor, carbon dioxide sensor, humidity transducer to in inserting sealed container through the foraminiferous silica gel stopper on the case lid, the plant carries out photosynthesis's in-process, and the corresponding equipment of measuring data cooperation product can read out, record, analysis in real time, directly perceivedly on mobile device, deepens the student and understands, satisfies the demand of digital experiment teaching.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic representation of the unstretched configuration of the reflective base cover of the present invention;
FIG. 3 is a block diagram of an experimental laboratory kit according to the present invention;
FIG. 4 is a heating apparatus in the experimental box of the present invention;
FIG. 5 is a control box for controlling the heating apparatus according to the present invention;
FIG. 6 shows a carbon dioxide replenishing apparatus according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The photosynthesis exploration tester shown in the attached figures 1, 2, 3, 4 and 5 is characterized in that: comprises a reflective bottom cover 1, a closed experimental box 2 with a cover and a light source device 3.
The whole closed experimental box 2 can be arranged in the inner cavity of the reflective bottom cover 1.
The first through hole, the second through hole and the third through hole are formed in the closed experiment box cover, and the corresponding silica gel plugs can be placed in the closed experiment box cover for sealing; the first, second and third through holes are used for selectively inserting one or more of the carbon dioxide supplementing device 4, the carbon dioxide sensor 5 and the oxygen sensor 6 into the box according to the experiment purpose; a heating sheet 7 and a temperature sensor probe 8 are placed in the closed experimental box; the heating sheet and the temperature sensor probe are connected with a heating control circuit arranged outside the experiment box through a through hole 11 arranged on the side wall of the experiment box; the light source of the light source equipment is an LED bulb with adjustable light-emitting color and intensity; the light source is positioned at the top of the closed experimental box.
Further, the carbon dioxide supplementing device comprises a silica gel plug 22, a one-way valve 25 and a silica gel tube 24; a through hole is formed in the middle of the silica gel plug and can be communicated with the cavity of the silica gel tube; the check valve is arranged in the silica gel plug to control the direction of air flow. As shown in fig. 6, it can be used to explore the "influence of carbon dioxide on plant photosynthesis". The internal cone valve structure of the one-way valve ensures that gas can only enter the closed experimental box from the outside. Students can insert the suction tube into the silicone tube, exhale carbon dioxide gas, and enter the experiment box through the one-way valve, thereby changing the concentration gradient of carbon dioxide in the box.
Furthermore, the upper end and the lower end of the side wall of the reflecting bottom cover are hard plastic plates, and the middle part is a spiral steel wire framework; the outer layer of the light-reflecting bottom cover is covered with a black pvc film, and the inner layer is made of aluminum foil paper; two groups of opposite through holes 11 are formed in the hard plastic at the upper end of the side wall of the light reflecting bottom cover; when the closed experimental box is put into the reflective bottom cover, the through holes are inserted with two carbon fiber rods 12 in parallel, and the carbon fiber rods are positioned on the upper surface of the box cover of the closed experimental box. In the experiment, if the light intensity needs to be increased, the closed experimental box can be placed in the reflective bottom cover. The inside reflection of light aluminium foil paper that sets up of reflection of light end cover, the experiment proves that the application of reflection of light end cover strengthens going on of plant photosynthesis, and the experimental result is more obvious. When the light-reflecting bottom cover is used, the side wall of the light-reflecting bottom cover can be upwards stretched, and when the side wall of the light-reflecting bottom cover is stretched to the height corresponding to the closed experimental box, the light-reflecting cover is fixed through the carbon fiber rod penetrating through the through hole.
Further, the control circuit of the heating plate comprises a power supply 10 of 12V. The constant temperature control box in the device is used in cooperation with the heating sheet, and the environmental temperature in the box body can be set and maintained; and a low-power heating element is adopted, and high-temperature protection is arranged, so that the safety in the use process is ensured.
Further, the heating plate and the temperature sensor are fixed inside the experiment box body through the suction cup 9.
Further, a humidity sensor is also included; the humidity sensor can be inserted into the closed experimental box through one of the first through hole, the second through hole and the third through hole.
Fig. 4 and 5 show a thermostatic heating device of the circuit of the present invention.
It can be seen from the figure that: the heating device consists of a constant temperature control box 101, a heating plate 7, a temperature probe 8, a high temperature warning label 23 and a silica gel plug 22, and can be used for an experiment for researching the influence of temperature on plant photosynthesis.
When the heating device is used, the heating sheet is arranged in the box and used for raising the temperature of the environment in the experiment box. A temperature control module is arranged in the temperature control device to prevent over-heating. The sucking disc pastes in the experimental box inner wall, and temperature probe is fixed around the sucking disc, the real-time measurement incasement temperature. The constant temperature control box can set the temperature to be heated in the box, and the power is automatically cut off after the temperature reaches the set value; and after the return difference value is lower than the return difference value, automatically switching on a power supply to heat. The digital display screen can observe the current real-time temperature in the box. The device is powered by a direct current 12v adapter and belongs to safe voltage.
The specific embodiment is as follows: investigating the influence of temperature on the life activities of plants
The experimental steps are as follows:
the method comprises the following steps: the green plants are placed in the closed experiment box, the oxygen sensor and the carbon dioxide sensor are connected with the terminal and then inserted into the corresponding jacks, and the light quality and the light intensity are controlled to be unchanged. The constant temperature heating piece is fixed at the main body side wall of the experiment box through a matched plug, and then the temperature probe is fixed at a certain position around the sucker, and after the temperature probe is successfully built preliminarily, the constant temperature control box is respectively connected with the heating piece and the power line through the interfaces. After the switch-on is confirmed, the switch is turned on, and the temperature in the tank can be set as required.
Step two: after the power is switched on, the real-time temperature value and the set temperature value can be seen on the display screen of the constant temperature control box, and after the set button is clicked, the temperature value is set through the "+" - "button on the control box. Clicking the switch button switches between the Fahrenheit and British temperature values.
Step three: the curves of the oxygen and the co2 concentration in the closed experimental box along with the change of time are sent to a display device through a sensor to be displayed; by varying the set ambient temperature, different experimental data can be observed. The effect of temperature on the life activities of plants was compared accordingly.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A photosynthesis exploration experimental device is characterized in that: comprises a reflective bottom cover (1), a closed experimental box (2) with a cover and a light source device (3);
the whole closed experimental box (2) can be arranged in the inner cavity of the reflective bottom cover (1);
the cover of the closed experiment box (2) is provided with a first through hole, a second through hole and a third through hole, and the first through hole, the second through hole and the third through hole can be respectively used for placing corresponding silica gel plugs for sealing; the first, second and third through holes are used for selectively inserting one or more of a carbon dioxide supplementing device (4), a carbon dioxide sensor (5) and an oxygen sensor (6) into the box according to the experiment purpose; a heating sheet (7) and a temperature sensor probe (8) are placed in the closed experimental box (2); the heating sheet (7) and the temperature sensor probe (8) are connected with a heating control circuit arranged outside the experiment box through a through hole (11) arranged on the side wall of the experiment box; the light source of the light source equipment (3) is an LED bulb capable of adjusting the light emitting color and intensity; the light source is positioned at the top of the closed experimental box (2).
2. A photosynthesis exploration tester according to claim 1, wherein: the carbon dioxide supplementing device (4) comprises a silica gel plug, a one-way valve and a silica gel tube; a through hole is formed in the middle of the silica gel plug and can be communicated with the cavity of the silica gel tube; the check valve is arranged in the silica gel plug to control the direction of air flow.
3. A photosynthesis exploration tester according to claim 1, wherein: the reflective bottom cover (1) is a spiral steel wire framework, and the upper end and the lower end of the reflective bottom cover are covered by hard plastic plates; the outer layer of the light-reflecting bottom cover (1) is covered with a black pvc film, and the inner layer is made of aluminum foil paper; two groups of opposite through holes (11) are formed in a hard plastic plate at the upper end of the side wall of the reflective bottom cover (1); when the closed experiment box (2) is placed into the reflective bottom cover (1), the through holes (11) are inserted into the two carbon fiber rods (12) in parallel, and the carbon fiber rods (12) are positioned on the upper surface of the box cover of the closed experiment box (2).
4. A photosynthesis exploration tester according to claim 1, wherein: the control circuit of the heating plate (7) comprises a power supply (10) of 12V.
5. A photosynthesis exploration tester according to claim 1, wherein: the heating plate (7) and the temperature sensor probe (8) are fixed inside the experiment box body through a sucker (9).
6. A photosynthesis exploration tester according to claim 1, wherein: also includes a humidity sensor; the humidity sensor can be inserted into the closed experimental box (2) through one of the first through hole, the second through hole and the third through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352142.2U CN210804942U (en) | 2019-03-20 | 2019-03-20 | Photosynthesis exploration experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352142.2U CN210804942U (en) | 2019-03-20 | 2019-03-20 | Photosynthesis exploration experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210804942U true CN210804942U (en) | 2020-06-19 |
Family
ID=71225106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920352142.2U Active CN210804942U (en) | 2019-03-20 | 2019-03-20 | Photosynthesis exploration experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210804942U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858089A (en) * | 2021-03-31 | 2021-05-28 | 安徽科技学院 | Experimental device for be used for studying high temperature calamity to wheat photosynthetic capacity obstructed influence |
| CN114038298A (en) * | 2021-11-04 | 2022-02-11 | 程卫琴 | Phototropism experimental box |
-
2019
- 2019-03-20 CN CN201920352142.2U patent/CN210804942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858089A (en) * | 2021-03-31 | 2021-05-28 | 安徽科技学院 | Experimental device for be used for studying high temperature calamity to wheat photosynthetic capacity obstructed influence |
| CN114038298A (en) * | 2021-11-04 | 2022-02-11 | 程卫琴 | Phototropism experimental box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210804942U (en) | Photosynthesis exploration experimental apparatus | |
| CN208087629U (en) | A kind of biochemical cultivation case for biological detection | |
| CN205455220U (en) | Mouse experimental observation case | |
| CN205539378U (en) | Durable testing arrangement of lamps and lanterns inductive switch | |
| CN207689813U (en) | A kind of portable plant organ is taken pictures case | |
| CN203187688U (en) | Algae cultivation box | |
| CN207692643U (en) | A kind of microphyte incubator | |
| CN207978520U (en) | A kind of artificial climate case apparatus of plant experimental | |
| CN205879075U (en) | Cultivation tissue measuring device | |
| CN211669034U (en) | Automobile material weather resistance test device | |
| CN205420413U (en) | Many functional type laboratory photobioreactor system | |
| CN202133753U (en) | Solar cell attenuation test device | |
| CN209372676U (en) | A kind of food safety quick detection kit | |
| CN206684124U (en) | A kind of light intensity controllable type algae primary productivity experimental provision | |
| CN115468899A (en) | Self-luminous material performance test system and test method | |
| CN221007335U (en) | Water transparency detection device | |
| CN201965088U (en) | Automatic fiber cleanliness detector | |
| CN209196749U (en) | A kind of underwater hovering LED landscape lamp | |
| CN208521515U (en) | The device that intensity of illumination influences intensity of photosynthesis | |
| CN202354135U (en) | Experiment cup for observing plant photosynthesis | |
| CN206223665U (en) | A kind of food safety detection device | |
| CN113340884A (en) | Buoy type online water quality detection device based on vibrio qinghai | |
| CN220251857U (en) | Portable photosynthesis measuring device | |
| CN208283236U (en) | A kind of ultraviolet ray ageing device | |
| CN117169172A (en) | Water transparency detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |