CN214539285U - Natural illumination plant population gas exchange detection box and detection system - Google Patents
Natural illumination plant population gas exchange detection box and detection system Download PDFInfo
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- CN214539285U CN214539285U CN202120891991.2U CN202120891991U CN214539285U CN 214539285 U CN214539285 U CN 214539285U CN 202120891991 U CN202120891991 U CN 202120891991U CN 214539285 U CN214539285 U CN 214539285U
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Abstract
The utility model discloses a natural illumination plant group gas exchange detection box and a detection system, wherein the detection box device comprises an enclosure seat and a sealing cover, the surrounding side plates and the top plate of the sealing cover are colorless transparent plates, and the top surface of the enclosure seat is provided with a first sealing washer; a ventilation mechanism is arranged on a side plate of the sealing cover; the detection system also comprises an air pump and a carbon dioxide concentration detector or photosynthesis detector. The utility model discloses can be convenient form the airtight space that sealing performance is good around the plant, and the inside and outside gas exchange of the sealed cowling of going on that can be quick, and make the gas flash mixed equilibrium in the sealed cowling, thereby make the group photosynthesis condition of plant in the sealed cowling closed time quantum of reaction that can be accurate from the carbon dioxide content of sealed cowling combustion gas, and because what closed circuit formula detecting system detected is the holistic group photosynthesis of plant, consequently can be more accurate on the reaction unit land area crop group photosynthetic carbon assimilation ability.
Description
Technical Field
The utility model relates to a photosynthesis detects technical field, in particular to detect detection case of plant colony photosynthesis.
Background
Photosynthesis is an important physiological process affecting crop yield development, and especially improving the photosynthetic capacity of a population and further increasing the total amount of crop organisms has become the most fundamental way to increase crop yield. The photosynthetic rate of a crop population is measured by the photosynthetic carbon assimilation capability of the population per unit land area.
In the prior art, the photosynthesis detector widely used in agriculture and forestry scientific experiments detects that the air flow and the reference air flow enter the photosynthesis detector simultaneously, and the photosynthesis detector compares the carbon dioxide concentration in the two air flows to obtain the variation of the carbon dioxide concentration in the detected air flow caused by photosynthesis. The air path of the existing detection model is an open-circuit structure, two air flows of reference air flow and detection air flow are needed, the volume of a leaf chamber is small, the detection can only be performed on a single leaf of a plant, and the detection model is not suitable for performing group photosynthesis detection on the whole plant.
However, the group photosynthesis can more accurately reflect the plant photosynthesis ability than a single leaf, so that it is necessary to develop a device for detecting the group photosynthesis ability of the plant.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a natural illumination plant population gas exchange detection box to solve the technical problem of detecting the photosynthesis ability of plant population.
The utility model discloses natural lighting plant colony gas exchange detection case, it includes the seat of enclosing that is used for inserting in the soil around the plant and is used for detaining the sealed cowling on enclosing the seat top surface, the curb plate and the roof all around of sealed cowling are colorless transparent plates, enclose and be provided with the first seal ring that cooperates with the lower terminal surface of sealed cowling on the seat top surface;
a side plate of the sealing cover is provided with a ventilation mechanism, and the ventilation mechanism is used for driving gas to exchange inside and outside the sealing cover and driving the gas to flow in the sealing cover;
and a detection gas outlet and a detection gas inlet are also formed in the side plate of the sealing cover.
Furthermore, the ventilation mechanism comprises a ventilation pipe fixed on a side plate of the sealing cover, a pipeline fan arranged in the sealing cover and connected with the inner end of the ventilation pipe, and an electric valve arranged outside the sealing cover and connected with the outer end of the ventilation pipe, wherein a ventilation hole is formed in the side wall of the pipe section of the ventilation pipe in the sealing cover; the number of the air exchange mechanisms is at least two.
Further, a supporting plate for supporting the pipeline fan is arranged on the inner wall of the sealing cover.
Further, the electric valve is a normally open type electric valve.
Furthermore, a ventilation window is arranged on a side plate of the sealing cover, the ventilation mechanism comprises a second sealing washer arranged on the edge of the ventilation window, a window cover plate hinged to the outer side of the side plate of the sealing cover and used for sealing the ventilation window, a seat plate arranged in the sealing cover, a driving cylinder with one end hinged to the window cover plate and the other end hinged to the seat plate, and a fan arranged on the seat plate, and the seat plate is provided with a ventilation port opposite to the fan; the number of the air exchange mechanisms is at least two.
Furthermore, the outer side surfaces of the surrounding seat and the sealing cover are respectively provided with a handle.
Furthermore, the upper end of the enclosing seat is provided with a limiting edge which is used for being upwards inserted into the lower end of the sealing cover.
Furthermore, the enclosure seat is formed by splicing and assembling four unit blocks, each unit block comprises a cross beam, a vertical plate vertically connected to the side face of the cross beam and a sealing strip spliced at the edge of the vertical plate, one end of the cross beam is a T-shaped plug, the two side faces of the front end of the T-shaped plug are inclined faces, and a slot matched with the T-shaped plug in shape is formed in the side edge of the other end of the cross beam.
The detection system comprises an air pump, a carbon dioxide concentration detector or a photosynthesis detector, wherein an air inlet of the air pump is connected with a detection gas outlet on the sealing cover through a first air pipe, an air outlet of the air pump is connected with an air inlet of the carbon dioxide concentration detector or the photosynthesis detector through a second air pipe, and an air outlet of the carbon dioxide concentration detector or the photosynthesis detector is connected with a detection gas inlet on the sealing cover through a third air pipe.
Furthermore, the detection system also comprises a temperature sensor, a humidity sensor and a pressure sensor which are arranged in the sealing cover, and detection signals of the temperature sensor, the humidity sensor and the pressure sensor are input into the photosynthesis detector.
The utility model has the advantages that:
1. the utility model discloses natural lighting plant colony gas exchange detection case, it can be convenient form the airtight space that sealing performance is good around the plant to the inside and outside gas exchange of going on the sealed cowling that can be quick, and make the interior gas flash mixed of sealed cowling balanced, thereby make the group photosynthesis condition of plant in the sealed cowling closed time quantum of reaction that the carbon dioxide content of following the sealed cowling combustion gas can be accurate.
2. The utility model discloses detecting system, its gas circuit is closed structure, and it only has an air current to get into photosynthesis detector or carbon dioxide concentration detector, and the air current after the detection gets back to in the sealed cowling again, through carbon dioxide concentration and the carbon dioxide concentration of later moment of contrast antedisplacement moment, obtains the carbon dioxide concentration variation volume that leads to because of the photosynthesis of colony between two time points in front and back; and by measuring a plurality of time points, a curve of the carbon dioxide concentration changing along with the time can be obtained, while the existing open-circuit photosynthesis detector can not obtain the curve of the carbon dioxide concentration changing along with the time. The closed-circuit detection system detects the group photosynthesis of the whole plant, so that the photosynthesis carbon assimilation capability of the crop group on a unit land area can be more accurately reflected.
Drawings
FIG. 1 is a schematic structural view of a sealing boot;
FIG. 2 is a schematic structural view of the enclosure;
FIG. 3 is a schematic structural view of the enclosure base inserted in the soil and the sealing cover placed on the enclosure base;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic view of another embodiment of the enclosure base inserted in the soil and the sealing cover placed on the enclosure base;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a schematic diagram of the detection system;
FIG. 8 is a perspective view of the enclosure;
fig. 9 is a perspective view of a cell block.
Detailed Description
The invention is further described with reference to the following figures and examples.
The first embodiment is as follows: this embodiment natural lighting plant colony gas exchange detection case, it is including being arranged in inserting the plant around in soil enclose seat 1 and be used for detaining the sealed cowling 2 on enclosing the seat top surface, the curb plate and the roof all around of sealed cowling are colorless transparent plate, enclose be provided with on the top surface of seat with the lower terminal surface complex first seal ring 3 of sealed cowling. The cross section of the sealing cover in the embodiment is rectangular, but the cross section of the sealing cover in different embodiments can also be circular, regular hexagon and the like.
And a ventilation mechanism is arranged on a side plate of the sealing cover and is used for driving gas to exchange inside and outside the sealing cover and driving the gas to circularly flow in the sealing cover.
In this embodiment, the ventilation mechanism includes a ventilation pipe 4 fixed on a side plate of the sealing cover, a pipeline fan 5 arranged in the sealing cover and connected with the inner end of the ventilation pipe, and an electric valve 6 arranged outside the sealing cover and connected with the outer end of the ventilation pipe, and a ventilation hole 7 is arranged on the side wall of the pipe section of the ventilation pipe in the sealing cover. In this embodiment, the number of the air exchange mechanisms is four, wherein the air supply direction of two pipeline fans is opposite to the air supply direction of the other two pipeline fans; of course, in different embodiments, the number of ventilation mechanisms can be adjusted according to requirements.
The electric valve in this embodiment is a normally open electric valve, specifically a normally open electric ball valve, and of course, other forms of electric valves may be substituted for the electric ball valve in different embodiments. In the non-detection time period, the normally open type electric valve does not influence the gas exchange inside and outside the sealing cover, and the detection requirement can be better met.
In this embodiment, be provided with the backup pad 8 that supports the pipeline fan on the inner wall of sealed cowling, this improvement makes the mounting structure of pipeline fan more stable.
In this embodiment, the side plate of the sealing cover is further provided with a detection gas outlet 9 and a detection gas inlet 10.
This embodiment natural lighting plant population gas exchange detection case, when carrying out plant population photosynthesis and detecting, will enclose the seat earlier and insert in the soil around the plant, then place the sealed cowling on enclosing the first sealing gasket on the seat top surface, form a confined space through enclosing seat and sealed cowling.
When detecting, will control normally open motorised valve and close, the control duct fan is opened, because the breather pipe is provided with the air vent on being located the pipeline section lateral wall in the sealed cowling, pipeline fan work enables the air cycle in the sealed cowling and flows, can be better guarantee the carbon dioxide evenly distributed in the gas in the sealed cowling, and then can guarantee to detect the group photosynthesis condition that the carbon dioxide concentration in the gas that the gas outlet flows can the accurate reaction plant from sealed cowling.
After once detecting the completion, control open motorised valve open in usual, under pipeline fan's effect, the inside and outside air of sealed cowling carries out the quick exchange to enable the inside air of sealed cowling resume rapidly to balanced with the outside air, can eliminate the influence of sealed environment to the plant fast, so that make preparation for next time detecting, detection efficiency is high.
In different embodiments, the ventilation mechanism may also be in other forms, as shown in fig. 5 and fig. 6, a ventilation window 11 is provided on a side plate of the sealing cover, the ventilation mechanism includes a second sealing gasket 12 provided at a side portion of the ventilation window, a window cover plate 13 hinged to an outer side of the side plate of the sealing cover for closing the ventilation window, a seat plate 14 provided in the sealing cover, a driving cylinder 15 having one end hinged to the window cover plate and the other end hinged to the seat plate, and a fan 16 provided on the seat plate, and the seat plate is provided with a ventilation opening opposite to the fan. The ventilation mechanisms can be four, wherein two ventilation mechanisms are arranged at the upper left corner and the lower right corner of one side plate, the other two ventilation mechanisms are arranged at the upper right corner and the lower left corner of the opposite side plate, and the air supply directions of the two fans are opposite to the air supply directions of the other two fans. Of course, in different embodiments, the number of fans can be adjusted according to needs.
The mechanism of taking a breath of this kind of form, when detecting the group photosynthesis usefulness, the electronic jar of control shrink is with window apron pull down to press on the second is sealed to lap, and the control fan is opened and is made the inside air of sealed cowling carry out the circulation flow to guarantee the carbon dioxide evenly distributed in the sealed cowling in the gas, and then can guarantee to detect the group photosynthesis condition that the carbon dioxide concentration in the gas that the gas outlet flowed out can the accurate reaction plant from sealed cowling. After once detecting the completion, control electronic jar and extend and open window apron, under the effect of fan, the inside and outside air of sealed cowling carries out the quick exchange to make the interior air of sealed cowling resume rapidly to with outside air balanced state, can eliminate the influence of sealed environment to the plant fast, so that make preparation for next time detecting.
As an improvement to the above embodiment, the outer side surfaces of the enclosure seat and the sealing cover are respectively provided with a handle 17, and the enclosure seat and the sealing cover can be more conveniently transferred by arranging the handles.
As the improvement to the above-mentioned embodiment, enclose the upper end of seat and be provided with and be used for upwards inserting the inside spacing limit 18 of sealed cowling lower extreme, set up the limiting plate and enable the sealed cowling more fast accurate place on enclosing the seat to the stability that the sealed cowling was placed is guaranteed to the better.
As an improvement to the above embodiment, the enclosure base 1 is formed by inserting and assembling four unit blocks, each unit block includes a cross beam 101, a vertical plate 102 vertically connected to a side surface of the cross beam, and a sealing strip 103 inserted at an edge portion of the vertical plate, one end of the cross beam is a T-shaped plug 1011, two side surfaces of a front end of the T-shaped plug are inclined surfaces, and a slot 1012 in a shape matching with the T-shaped plug is arranged on a side edge of the other end of the cross beam. The improved middle surrounding seat is detachable, so that the middle surrounding seat is convenient to transport; when the sealing strip is used, the T-shaped plug of the cross beam is inserted into the slot on the adjacent cross beam, and then the sealing strip is inserted into the edge parts of the two adjacent vertical plates, so that the assembly of the enclosure seat is completed. Because the two side surfaces of the front end of the T-shaped plug are inclined surfaces, the T-shaped plug can have a good sealing effect after being matched with the slot, and meanwhile, the sealing strip can well seal a gap between every two adjacent vertical plates. Of course, in various embodiments, the seat may be formed as a non-removable unitary structure as shown in FIG. 2.
In the specific implementation, the outer side surface of the surrounding seat is also provided with scales 19 for measuring the insertion depth of the surrounding seat, and the insertion depth of the surrounding seat can be accurately known through the scales.
In the second embodiment, the detection system in this embodiment has the natural light plant population gas exchange detection box in the foregoing embodiment, further includes an air pump 20, and further includes a photosynthesis detector 21, an air inlet of the air pump is connected to the detection gas outlet on the sealing cover through a first air pipe 22, an air outlet of the air pump is connected to the air inlet of the photosynthesis detector through a second air pipe 23, and an air outlet of the photosynthesis detector is connected to the detection gas inlet on the sealing cover through a third air pipe 24. Of course, in various embodiments, the photosynthesis detector may be replaced with a carbon dioxide concentration detector.
In this embodiment, detecting system, its gas circuit is closed structure, and it only has an air current to get into photosynthesis detector or carbon dioxide concentration detector, and the air current after the detection gets back to in the sealed cowling again, through the carbon dioxide concentration of the forward moment of contrast and the carbon dioxide concentration of later moment, obtains the carbon dioxide concentration variation volume that leads to because of the photosynthesis of the colony between two front and back time points. The closed-circuit detection system detects the group photosynthesis of the whole plant, so that the photosynthesis carbon assimilation capability of the crop group on a unit land area can be more accurately reflected.
As a modification of the above embodiment, the detection system further comprises a temperature sensor 25, a humidity sensor 26 and a pressure sensor 27 which are arranged in the sealed cover, detection signals of the temperature sensor, the humidity sensor and the pressure sensor are input into the photosynthesis detector, and the modification can also detect the influence of temperature, humidity and air pressure on photosynthesis of plants.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. Natural illumination plant colony gas exchange detection case, its characterized in that: the device comprises an enclosure seat inserted into soil around a plant and a sealing cover buckled on the top surface of the enclosure seat, wherein the peripheral side plates and the top plate of the sealing cover are colorless transparent plates, and a first sealing gasket matched with the lower end surface of the sealing cover is arranged on the top surface of the enclosure seat;
a side plate of the sealing cover is provided with a ventilation mechanism, and the ventilation mechanism is used for driving gas to exchange inside and outside the sealing cover and driving the gas to flow in the sealing cover;
and a detection gas outlet and a detection gas inlet are also formed in the side plate of the sealing cover.
2. The natural light plant population gas exchange detection chamber of claim 1, wherein: the ventilation mechanism comprises a ventilation pipe fixed on a side plate of the sealing cover, a pipeline fan arranged in the sealing cover and connected with the inner end of the ventilation pipe, and an electric valve arranged outside the sealing cover and connected with the outer end of the ventilation pipe, wherein the ventilation pipe is provided with a ventilation hole on the side wall of a pipe section positioned in the sealing cover; the number of the air exchange mechanisms is at least two.
3. The natural light plant population gas exchange detection box of claim 2, wherein: and a supporting plate for supporting the pipeline fan is arranged on the inner wall of the sealing cover.
4. The natural light plant population gas exchange detection box of claim 2, wherein: the electric valve is a normally open type electric valve.
5. The natural light plant population gas exchange detection chamber of claim 1, wherein: the side plate of the sealing cover is provided with a ventilation window, the ventilation mechanism comprises a second sealing washer arranged on the edge of the ventilation window, a window cover plate hinged to the outer side of the side plate of the sealing cover and used for sealing the ventilation window, a seat plate arranged in the sealing cover, a driving cylinder with one end hinged to the window cover plate and the other end hinged to the seat plate, and a fan arranged on the seat plate, and the seat plate is provided with a ventilation port opposite to the fan; the number of the air exchange mechanisms is at least two.
6. The natural light plant population gas exchange detection chamber of claim 1, wherein: and handles are respectively arranged on the outer side surfaces of the surrounding seat and the sealing cover.
7. The natural light plant population gas exchange detection chamber of claim 1, wherein: the upper end of the enclosing seat is provided with a limiting edge which is used for being upwards inserted into the lower end of the sealing cover.
8. The natural light plant population gas exchange detection chamber of claim 1, wherein: the enclosure seat is formed by splicing and assembling four unit blocks, each unit block comprises a cross beam, a vertical plate vertically connected to the side face of the cross beam and a sealing strip spliced on the edge of the vertical plate, one end of the cross beam is a T-shaped plug, the two side faces of the front end of the T-shaped plug are inclined faces, and a slot matched with the T-shaped plug in shape is formed in the side edge of the other end of the cross beam.
9. A test system having the natural-light plant population gas exchange test chamber of any one of claims 1-8, wherein: still include the air pump, still include carbon dioxide concentration detector or photosynthesis detector, the air inlet of air pump is connected through the gaseous exit of detection on first trachea and the sealed cowling, and the gas outlet of air pump is connected through the air inlet of second trachea and carbon dioxide concentration detector or photosynthesis detector, and the gas outlet of carbon dioxide concentration detector or photosynthesis detector is connected through the gaseous import of detection on third trachea and the sealed cowling.
10. The detection system of claim 9, wherein: the photosynthesis detector also comprises a temperature sensor, a humidity sensor and a pressure sensor which are arranged in the sealing cover, and detection signals of the temperature sensor, the humidity sensor and the pressure sensor are input into the photosynthesis detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120891991.2U CN214539285U (en) | 2021-04-26 | 2021-04-26 | Natural illumination plant population gas exchange detection box and detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120891991.2U CN214539285U (en) | 2021-04-26 | 2021-04-26 | Natural illumination plant population gas exchange detection box and detection system |
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| Publication Number | Publication Date |
|---|---|
| CN214539285U true CN214539285U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120891991.2U Active CN214539285U (en) | 2021-04-26 | 2021-04-26 | Natural illumination plant population gas exchange detection box and detection system |
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| CN (1) | CN214539285U (en) |
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2021
- 2021-04-26 CN CN202120891991.2U patent/CN214539285U/en active Active
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