Photosynthesis experiment observation device

Abstract

The utility model discloses a photosynthesis experiment observation device which comprises a lightproof box body, a fixing frame is arranged in the box body, a light source and a leaf container are arranged on the fixing frame, the leaf container is made of transparent materials, and the light source faces the leaf container. The light sources are connected with power supplies; a camera shooting device is further arranged in the box body, and a camera of the camera shooting device faces the blade container; and the camera equipment is in signal connection with intelligent equipment outside the box body through a wireless communication module. According to the photosynthesis experiment observation device provided by the utility model, the experiment process is not influenced by irrelevant light sources, the accuracy of the photosynthesis process and the photosynthesis result is ensured, and the whole photosynthesis process can be intuitively observed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the photosynthesis experiment teaching aid field especially relates to a photosynthesis experiment observation device. BACKGROUND

[0002] In order to let the student understand the principle and process of photosynthesis better, the teacher will show the photosynthesis experiment to the student in the classroom. When carrying out the photosynthesis experiment, generally, the small leaf and the sodium bicarbonate solution with the mass fraction of 1%-2% are stored in the container, under the irradiation of single light quality light source, the small leaf will produce oxygen and float up, and the floating speed of the leaf is positively correlated with the intensity of photosynthesis.

[0003] However, the device for exploring the influence of environmental factors on the intensity of photosynthesis has the following shortcomings: first, the most important disadvantage is that it cannot completely avoid the influence of other irrelevant light sources; second, the existing device has low integration degree and is inconvenient for classroom demonstration; third, part of the existing device has complex and heavy structure, cannot be flexibly adjusted according to different experimental conditions, and has single function; fourth, most of the existing devices cannot get rid of the dependence on 220V power supply, have power supply limitation; fifth, most of the current device structures have glass pieces, which may have safety hazards; sixth, the existing device has high time cost for experiment; seventh, part of the existing device has high cost, which is not conducive to the promotion in the nationwide range; eighth, the existing device has single function and can only be used for the exploration experiment, and has weak expansibility. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a photosynthesis experiment observation device, which will not be affected by irrelevant light sources during the experiment process, ensures the accuracy of the photosynthesis process and result, and can directly observe the whole process of photosynthesis.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a photosynthesis experiment observation device, which comprises a light-tight box body, a fixing frame is arranged in the box body, a light source and a leaf container are arranged on the fixing frame, the leaf container is made of transparent material, and the light source faces the leaf container; the light source is connected with a power supply; a camera equipment is further arranged in the box body, and the camera head of the camera equipment faces the leaf container; the camera equipment and the intelligent equipment located outside the box body are connected through a wireless communication module signal.

[0006] As a further improvement of the utility model, the fixing frame comprises a flat plate, and a clamp is detachably connected to the flat plate; the clamp clamps the leaf container; and the light source is arranged on the flat plate.

[0007] As a further improvement of the utility model, the flat plate is provided with a plurality of through holes, the clamp comprises two oppositely arranged clamping plates, the two clamping plates are rotationally connected through a rotating shaft, and a torsional spring is arranged between the two clamping plates; the clamping plates are jointly formed into a clamping portion at one end thereof, and the clamping portion is matched with the blade container; the outer side of one of the clamping plates is connected with a clamping hook and an insertion portion arranged at intervals, the clamping hook and the insertion portion pass through the through holes on the flat plate one by one, the clamping hook hooks the edge of the through hole matched therewith, and the insertion portion comprises two insertion blocks arranged at intervals and symmetrical to each other, the bottom end of the insertion block is connected with the clamping plate, and a reverse hook is arranged on the outer side wall of the top end of the insertion block.

[0008] As a further improvement of the utility model, the light source is a linear LED light source, the linear LED light source is mounted on the flat plate and parallel to the flat plate, at least two clamps are detachably connected to the flat plate, the blade container is clamped on each clamp, a plurality of through holes on the flat plate are arranged at equal intervals in a matrix mode, and each through hole and the clamp form a distance adjusting structure for adjusting the distance between the blade container and the linear LED light source.

[0009] As a further improvement of the utility model, the linear LED light source is a light source capable of emitting light of multiple colors, and the linear LED light source is connected with a controller.

[0010] As a further improvement of the utility model, the fixing frame further comprises a storage box, the flat plate is arranged longitudinally, and the storage box is connected to one side of the bottom of the flat plate; the power supply is a portable power supply and is placed in the storage box, and the storage box is located in the box.

[0011] As a further improvement of the utility model, the blade container is a syringe.

[0012] Advantages

[0013] Compared with the prior art, the photosynthesis experiment observation device has the following advantages:

[0014] 1. During the experiment, the blade container containing a sodium bicarbonate solution with a mass fraction of 1%-2% and the blade is placed on the fixing frame of the box, the blade container is irradiated by the light source, the blade inside the blade container undergoes photosynthesis, the real-time picture of the photosynthesis is sent to the intelligent device outside the box through the wireless transmission mode by the camera device, and the intelligent device is displayed through the electronic screen or the projection mode. In this process, the light from the external light source cannot enter the box, so that only the light from the specific light source in the box irradiates the blade, and the controllability and accuracy of the photosynthesis process and result are ensured.

[0015] 2. The clamp is fixed on the flat plate through the through holes arranged at equal intervals on the flat plate, and then the blade container is clamped through the clamp, so that the parts are integrated, and the assembly is convenient and fast.

[0016] 3. Different leaf containers can be installed in multiple positions on the plate using clips, thereby adjusting their relative position to the linear LED light source. It is possible to observe how the rate of photosynthesis changes at different distances while keeping the light intensity and color of the linear LED light source constant.

[0017] 4. The linear LED light source can change its emission color through a controller, thereby allowing observation of the differences in the rate of photosynthesis in the leaves under different colors of light.

[0018] 5. The storage box of the stand can hold a portable power bank, and the weight of the portable power bank makes the stand more stable and less prone to shaking.

[0019] 6. Suction cups are installed at the bottom of the storage box to connect and fix the storage box to the body, which can better prevent the flat plate from shaking.

[0020] 7. The blade container is a syringe. The syringe is made of plastic, which is not easy to break and is readily available, resulting in low operating costs.

[0021] The present invention will become clearer from the following description and in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a front view of the fixture, clamp, and syringe in Example 1;

[0024] Figure 2 This is a left view of the fixture, clamp, and syringe in Example 1;

[0025] Figure 3 This is a top view of the clip in Example 1;

[0026] Figure 4 This is a rear view of the clip in Example 1;

[0027] Figure 5 This is a partial top sectional view of the clamp and plate after installation in Example 1;

[0028] Figure 6 This is a schematic diagram illustrating the operational status of the photosynthesis experimental observation device in Example 1.

[0029] Figure 7 Figure 2 is a left view of the fixed frame, clip, syringe and leaf container in Example 2. DETAILED DESCRIPTION

[0030] Embodiments of the present application will now be described with reference to the accompanying drawings.

[0031] Example 1

[0032] As shown in the specific embodiment of the present application, Figures 1 to 6 A photosynthesis experiment observation device includes a light-tight box 7. The box 7 can be made of acrylic material or a paper box as long as it is light-tight. A fixed frame is placed in the box 7. The fixed frame is provided with a light source and a leaf container. The leaf container is made of transparent material, and the light source faces the leaf container. The light source is connected to a power supply 6. The box 7 is also provided with a camera device 8. The camera of the camera device 8 faces the leaf container. The camera device 8 is signal connected to a smart device outside the box 7 through a wireless communication module 12. The smart device is connected to an electronic screen or a projection device.

[0033] In this embodiment, the leaf container is a syringe 4. The leaf and a sodium bicarbonate solution with a mass fraction of 1%-2% are stored in the syringe 4. In addition, the leaf container can also be a transparent bottle.

[0034] The fixed frame includes a flat plate 1. The flat plate 1 is detachably connected with a clip 3. The clip 3 clamps the leaf container. The light source is arranged on the flat plate 1.

[0035] The flat plate 1 is provided with a plurality of through holes 11. The clip 3 includes two oppositely arranged clamping plates 31. The two clamping plates 31 are rotationally connected through a rotating shaft 32. A torsional spring is arranged between the two clamping plates 31. The two clamping plates 31 together form a clamping portion 33 at one end thereof. The clamping portion 33 is matched with the leaf container. The outer side of one of the clamping plates 31 is connected with a clamping hook 34 and a plug-in portion 35 arranged at intervals. The clamping hook 34 and the plug-in portion 35 pass through the through holes 11 of the flat plate 1 one by one. The end of the clamping hook 34 hooks the edge of the through hole 11 matched therewith. The plug-in portion 35 includes two plug-in blocks 351 arranged at intervals and symmetrically. The bottom end of the plug-in block 351 is connected with the clamping plate 31. The outer side wall of the top end of the plug-in block 351 is provided with a reverse hook 36. The reverse hook 36 hooks the edge of the through hole 11 matched therewith.

[0036] The camera equipment 8 adopts a mobile phone, and the photosynthesis process of the leaves in the syringe 4 is photographed by using the camera of the mobile phone. The mobile phone can be fixed in the box 7 through a mobile phone support 9. In order to prevent the light of the mobile phone screen from interfering with the photosynthesis, the mobile phone screen can be turned off or shielded by a light shield. The intelligent device adopts a computer 10, and the computer 10 is connected with a wireless communication module 12. The real-time picture photographed by the mobile phone is transmitted to the computer 10 through wifi or Bluetooth, and then the computer 10 displays the picture through an electronic screen or a projection screen. When the experiment is carried out, students can observe the whole process of the photosynthesis of the small leaves in the leaf container in the box 7 through the projection screen in the classroom.

[0037] In the embodiment, the light source is a linear LED light source 2, which is installed on the front left side of the flat plate 1 and parallel to the flat plate 1, and is arranged longitudinally. Three clamps 3 are detachably connected to the flat plate 1, and each clamp 3 clamps a syringe 4, which is arranged vertically. A plurality of through holes 11 are arranged on the flat plate 1 in a matrix manner at equal intervals. In the embodiment, the through holes 11 are arranged in 9 rows and 9 columns, and each row and each column are perpendicular to each other, which is beneficial to adjust the distance between the syringes 4 and the light source at equal intervals. Each through hole 11 and the clamp 3 constitute a distance adjusting structure for adjusting the distance between the leaf container and the linear LED light source 2. In the embodiment, the distances between the three syringes 4 and the linear LED light source 2 increase from bottom to top, as shown in the figure. Figure 1 The distance between the lowermost syringe 4 and the linear LED light source 2 is d, the distance between the middle syringe 4 and the linear LED light source 2 is 2d, and the distance between the uppermost syringe 4 and the linear LED light source 2 is 3d.

[0038] During the experiment, the syringes 4 containing 1%-2% sodium bicarbonate solution and leaves are fixed on the flat plate 1 of the box 1 through the clamps 3, and the linear LED light source 2 irradiates the syringes 4, so that the leaves in the syringes 4 undergo photosynthesis and produce oxygen and slowly float upwards. At the same time, the real-time picture of the photosynthesis is sent to the computer 10 outside the box through wireless transmission by the mobile phone, and the computer 10 displays the picture through an electronic screen or a projection screen. In this process, the light from the external light source cannot enter the box 7, so that only the light from the linear LED light source 2 in the box 7 irradiates the leaves, ensuring the controllability and accuracy of the photosynthesis process and result, making the experimental process more rigorous and scientific, and making the actual teaching more safe and convenient.

[0039] The linear LED light source 2 is a light source capable of emitting light of multiple colors, and the linear LED light source 2 is connected with a controller, and the controller is capable of changing the light-emitting color by sending a signal to the controller through a remote controller, so that the photosynthesis speed of the leaves under the irradiation of light of different colors is observed.

[0040] The fixing frame further comprises a storage box 5, the flat plate 1 is arranged longitudinally, and the storage box 5 is connected to one side of the bottom of the flat plate 1. The power supply 6 is a portable power supply and is placed in the storage box 5, the storage box 5 is located in the box 7, and the charging wire 61 of the portable power supply is plugged into the joint 21 of the linear LED light source 2. The weight of the portable power supply makes the fixing frame more stable and less likely to shake. The portable power supply adopts low voltage, which is safer than high voltage of 220V.

[0041] The flat plate 1 provided with the through hole 11 is a hole plate, which can be used in the photosynthesis experiment observation device of the present scheme and can also be used as accessories for other experiments, and has high universality. The flat plate 1, the clip 3, the syringe 4 and the storage box 5 are all made of plastic and are not easy to break. The linear LED light source 2 is a flexible light bar, which is bonded to the flat plate 1 by a rubber strip, and the bonding position can be changed as needed.

[0042] Embodiment 2

[0043] As shown in Figure 7 The bottom of the storage box 5 is connected with a plurality of suction cups 13, the suction cups 13 are adsorbed on the bottom surface of the inner cavity of the box 7, the storage box 5 and the box 7 are connected and fixed to each other through the suction cups 13, and the flat plate 1 is less likely to shake.

[0044] The above describes the present application in combination with the best embodiment, but the present application is not limited to the above disclosed embodiments, and should cover various modifications, equivalent combinations made according to the essence of the present application.

Claims

1. A device for observing photosynthesis experiments, characterized by, The application relates to a light-proof box (7) which is internally provided with a fixing frame, a light source and a leaf container, wherein the leaf container is made of transparent material, the light source faces the leaf container, the light source is connected with a power supply (6), the box (7) is internally provided with a camera device (8), the camera head of the camera device (8) faces the leaf container, and the camera device (8) is signal-connected with an intelligent device outside the box (7) through a wireless communication module (12).

2. The photosynthesis observation device according to claim 1, wherein The fixing frame comprises a flat plate (1), and a clamp (3) is detachably connected to the flat plate (1); the clamp (3) clamps the leaf container; and the light source is arranged on the flat plate (1).

3. The photosynthesis observation device according to claim 2, wherein The flat plate (1) is provided with a plurality of through holes (11), the clamp (3) comprises two oppositely arranged clamping plates (31), the two clamping plates (31) are rotationally connected through a rotating shaft (32), and a torsional spring is arranged between the two clamping plates (31); one end of the two clamping plates (31) jointly forms a clamping portion (33) which is matched with the leaf container; the outer side of one of the clamping plates (31) is connected with a clamping hook (34) and a plug-in portion (35) which are arranged at intervals, the clamping hook (34) and the plug-in portion (35) pass through the through holes (11) on the flat plate (1) one by one; the end of the clamping hook (34) hooks the edge of the through hole (11) matched therewith; and the plug-in portion (35) comprises two plug-in blocks (351) which are symmetrically and intervally arranged, the bottom end of the plug-in block (351) is connected with the clamping plate (31), and a reverse hook (36) is arranged on the top outer side wall of the plug-in block (351), and the reverse hook (36) hooks the edge of the through hole (11) matched therewith.

4. The photosynthesis observation apparatus according to claim 3, wherein The light source is a linear LED light source (2), the linear LED light source (2) is installed on the flat plate (1) and parallel to the flat plate (1); at least two clamps (3) are detachably connected to the flat plate (1), and each clamp (3) clamps a leaf container; the plurality of through holes (11) on the flat plate (1) are arranged at equal intervals in a matrix mode, and each through hole (11) and the clamp (3) form a distance adjusting structure for adjusting the distance between the leaf container and the linear LED light source (2).

5. The photosynthesis observation apparatus according to claim 4, wherein The linear LED light source (2) is a light source capable of emitting light of multiple colors, and the linear LED light source (2) is connected with a controller.

6. The photosynthesis observation device according to claim 2, wherein The fixing frame further comprises a storage box (5), the flat plate (1) is arranged longitudinally, and the storage box (5) is connected to one side of the bottom of the flat plate (1); the power supply (6) is a portable power supply and is placed in the storage box (5), and the storage box (5) is located in the box (7).

7. The photosynthesis observation apparatus according to claim 6, wherein The bottom of the storage box (5) is connected with a suction disc (13), and the suction disc (13) is adsorbed on the bottom surface of the inner cavity of the box (7).

8. The photosynthesis observation apparatus according to claim 1 or 2, wherein The leaf container is a syringe (4).

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