CN115421222A - Rainfall data monitoring system based on internet of things - Google Patents
Rainfall data monitoring system based on internet of things Download PDFInfo
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- CN115421222A CN115421222A CN202211147144.0A CN202211147144A CN115421222A CN 115421222 A CN115421222 A CN 115421222A CN 202211147144 A CN202211147144 A CN 202211147144A CN 115421222 A CN115421222 A CN 115421222A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 214
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- 239000000523 sample Substances 0.000 claims description 13
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
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- 238000001704 evaporation Methods 0.000 abstract description 30
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D7/00—Devices using evaporation effects without recovery of the vapour
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention relates to a rainfall data monitoring system based on the technology of the Internet of things, which effectively solves the problems of low precision and large error of monitoring data in the existing rainfall monitoring process; the technical scheme comprises the following steps: the evaporation of natural rainfall can be utilized, the environment where the water collecting bottle is located can be well cooled, the cooling area of the water collecting bottle can be correspondingly controlled according to the amount of rainfall collected in the water collecting bottle in the cooling process of the interior of the water collecting bottle, so that the situation that new error factors are introduced can be avoided while the environment inside the water collecting bottle can be well cooled is ensured, the monitoring system is higher in precision, the rainfall data information obtained by monitoring is sorted and recorded, a database of the rainfall information of the area is formed, the change condition of the rainfall of the area in one year can be clearly and visually known according to the database, and the method is favorable for better guiding farmers to manage and plant crops.
Description
Technical Field
The invention relates to the technical field of agricultural meteorological data, in particular to a rainfall data monitoring system based on the technology of the Internet of things.
Background
In agricultural production, the growth of crops is influenced by various natural environmental factors, such as soil nutrients, moisture, temperature, illumination and the like, the moisture supplement and rainfall of the crops are closely related, the moisture supplement of the crops can be realized when natural rainfall is proper, the crops are prevented from being flooded by timely draining water when the rainfall is too large, and the crops are prevented from being affected by water shortage when the rainfall is too small, so that the rainfall is particularly concerned in the agricultural production process (data information support is provided for the growth management of the crops in the future by collecting rainfall data information in a planting area), the remote operation and the transmission of the remote data information can be realized by benefiting from the application of the internet of things technology, and the intelligent monitoring of the crop growth environment data information is realized, and the intelligent monitoring of the crop growth environment data is widely applied to the monitoring of the crop growth environment information data;
in the monitoring process of rainfall data information, monitoring and recording of rainfall data information parameters are usually realized by adopting a rain measuring cylinder mode or an automatic tipping type (automatic monitoring), wherein the rain measuring cylinder mode needs to introduce rainwater into a rainwater bottle (in an open state) through a funnel and finally into a measuring cup for measuring and calculating rainfall data, and the automatic tipping type does not need the operation (calculated according to the overturning times of the measuring hoppers) but needs to fill and count each measuring hopper (in the open state) to judge the rainfall;
however, a problem is neglected in the above processes, when the rainwater collected in the rainwater bottle (measuring hopper) is in hot summer, a certain degree of evaporation is generated due to high temperature, so that the amount of rainwater collected in the bottle at the final detection is less than the actual amount of rainwater, which results in lower data, and the above phenomenon becomes more serious with the increase of temperature;
in view of the above, we provide a rainfall data monitoring system based on the internet of things technology to solve the above problems.
Disclosure of Invention
According to the rainfall data monitoring system based on the Internet of things technology, the space in the collecting barrel is divided into a plurality of parts by the collecting barrel, the T-shaped barrel and the water collecting bottle, natural rainfall can be used for achieving good cooling of the environment where the water collecting bottle is located, the cooling area of the water collecting bottle can be correspondingly controlled according to the amount of the rainfall collected in the water collecting bottle in the process of cooling the interior of the water collecting bottle, so that the effect that good cooling of the interior environment of the water collecting bottle can be achieved is guaranteed, meanwhile, introduction of new error factors can be avoided, the monitoring system is enabled to be high in precision, and accurate rainfall data parameter information is obtained.
A rainfall data monitoring system based on the Internet of things technology comprises a collecting cylinder, a water collecting bottle is arranged in the collecting cylinder, and a funnel is arranged at the upper end of the collecting cylinder;
first cavity, second cavity realize intercommunication and second cavity upper end and the collector bowl space intercommunication that is located T shape section of thick bamboo top through a plurality of U-shaped pipes of locating the collector bowl diapire, the collector bowl is located the outer wall at first cavity position and surrounds and be equipped with a plurality of air supply fans and be equipped with temperature perception unit in the first cavity at the interval.
The beneficial effects of the technical scheme are as follows:
(1) According to the scheme, the collecting barrel, the T-shaped barrel and the water collecting bottle are arranged to divide the space in the collecting barrel into a plurality of parts, the environment where the parts are located is different in cooling modes, the external space far away from the water collecting bottle is preliminarily cooled in an air supply mode, the environment where the water collecting bottle is located is further cooled by utilizing the evaporation of natural rainfall, the air with high humidity can be discharged into the area where the bottle mouth of the water collecting bottle is located (the water vapor in the air is close to the saturated state), the good cooling effect is achieved, meanwhile, the rainwater collected in the water collecting bottle can be effectively inhibited from evaporating to the outside through the bottle mouth of the water collecting bottle, and the monitoring of rainfall data information is more accurate;
(2) In the scheme, the cooling area of the water collecting bottle can be correspondingly controlled according to the amount of the rainwater collected in the water collecting bottle in the process of cooling the interior of the water collecting bottle, so that the internal environment of the water collecting bottle can be well cooled, new error factors caused by cooling can be avoided, the monitoring system is higher in precision, and the obtained rainfall data information is more accurate;
(3) According to the scheme, the temperature of the surrounding environment of the water collecting bottle can be controlled according to the temperature, the corresponding control is attached to the water (from natural rainfall) in the water absorbing cotton on the outer wall of the water collecting bottle, when the temperature is higher, the power of the air supply fan is improved, the water in the water absorbing cotton is synchronously increased (the evaporation efficiency of the water is kept at a higher level), and when the temperature is lower, the power of the air supply fan is reduced, and the water in the water absorbing cotton is synchronously reduced (the water is prevented from being evaporated due to the fact that the humidity of the environment where the water absorbing cotton is located is too high).
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the inner structure of the collecting cylinder of the present invention;
FIG. 3 is a cross-sectional view of the internal structure of the T-shaped cylinder of the present invention;
FIG. 4 is a partial cross-sectional structural schematic view of the T-shaped barrel of the present invention;
FIG. 5 is a schematic view showing the connection relationship between the draft tube, the cotton rope and the absorbent cotton according to the present invention;
FIG. 6 is a schematic view showing the relationship between a plurality of squeeze plates and a cotton string according to the present invention;
FIG. 7 is a schematic view of the internal structure of the water collection bottle of the present invention;
FIG. 8 is a schematic view of the internal structure of a water collecting bottle according to another embodiment of the present invention;
FIG. 9 is a schematic view of the electrical connection circuit of the resistor disc, the probe and the blower fan according to the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments with reference to the accompanying drawings, in which reference is made to the accompanying drawings.
as shown in fig. 2 and 3, the improvement of the scheme is that: a T-shaped cylinder 4,T arranged coaxially with the outer wall of the water collecting bottle 2 at intervals is arranged in the collecting barrel, an annular plate with a diameter larger than the diameter is integrally arranged coaxially at the upper end of the T-shaped cylinder 4, the outer wall of the annular plate is the same as the inner wall of the collecting barrel 1 (the outer side wall of the upper end of the T-shaped cylinder 4 is tightly attached to the inner wall of the collecting barrel 1), the outer diameter of the inner wall of the annular plate is the same as the outer diameter of the water collecting bottle 2 (the inner side wall of the upper end of the T-shaped cylinder 4 is tightly attached to the outer wall of the water collecting bottle 2), the space below the annular plate is divided into two cavities under the action of the T-shaped cylinder 4, namely a first cavity 5 (as shown in figure 2, the area between the inner wall of the collecting barrel and the outer wall of the T-shaped cylinder 4) and a second cavity 6 (as shown in figure 3, the area between the inner wall of the T-shaped cylinder 4 and the outer wall of the water collecting bottle 2), a plurality of water absorbing systems are arranged on the outer wall of the water collecting bottle 2 at intervals, a plurality of air supply fans 9 are arranged on the outer wall of the collecting cylinder 1 corresponding to the T-shaped cylinder 4 (in the area of the first cavity 5) at intervals, the first cavity 5 and the second cavity 6 are communicated through a U-shaped pipe 8 arranged at the bottom wall of the collecting cylinder, as shown in figure 4, a plurality of communication holes 41 are arranged at the upper end of the T-shaped cylinder 4, and the second cavity 6 is communicated with the area (such as the area F shown in figure 2) located in the space above the T-shaped cylinder 4;
when the monitoring system is used specifically, when the outside rains, rainwater firstly falls into the funnel 3 and is collected in the water collecting bottle 2 under the action of the funnel 3, meanwhile, a certain amount of water is also stored in the water collecting grooves 7 which are arranged around the collecting barrel at intervals, at the moment, a plurality of water suction systems which are positioned in the second cavity 6 and attached to the outer wall of the water collecting bottle 2 start to suck water (so that the water suction systems contain a certain amount of water and are in a relatively wet state), when a temperature sensing unit arranged in the first cavity 5 detects that the temperature of the surrounding environment is relatively high (so that the evaporation of the water is accelerated), the temperature sensing unit controls the plurality of air supply fans 9 to start, so that the outside air enters the first cavity 5 from outside to inside (in an area between the inner wall of the collecting barrel 1 and the outer wall of the T-shaped barrel 4) and rapidly flows from top to bottom in the first cavity 5 (high-speed airflow flows in the first cavity 5, and the effect of primarily cooling the environment in the first cavity 5 is achieved;
factors influencing the speed of water evaporation are as follows: the temperature and the saturation of the water vapor in the air are higher, the evaporation is faster (or vice versa), the saturation of the water vapor in the air is higher, the evaporation is slower (or vice versa), as shown in fig. 3, when high-speed air flows through the U-shaped tube 8 and enters the second cavity 6, the air flows from bottom to top in the second cavity 6, and because a certain amount of water is stored in the water absorption system, the evaporation of the water in the water absorption system is accelerated by the high-speed flowing air flow, the high-speed air flow flows in the second cavity 6 to make the air originally located in the second cavity 6 with higher humidity (the humidity of the air in the second cavity 6 is increased due to the water stored in the water absorption system, so that the saturation of the water vapor in the air in the second cavity 6 is higher, not beneficial to rapid evaporation of water) is discharged from bottom to top through the plurality of communication holes 41 arranged on the T-shaped cylinder 4, so that the water vapor saturation of the air in the second cavity 6 is reduced, thereby being beneficial to rapid evaporation of water in the water absorption system (the higher the water vapor saturation in the air is, the more unfavorable the evaporation of water is, otherwise, the more beneficial the evaporation of water is), a large amount of heat can be absorbed along with the evaporation of water in the water absorption system, thereby reducing the air temperature in the second cavity 6 and the environment inside the water collection bottle 2, and further realizing the effect of cooling rainwater collected in the water collection bottle 2 (reducing the evaporation caused by high temperature);
along with the flowing of high-speed airflow from bottom to top in the second cavity 6 and finally upwards discharging to the F space region through the plurality of communication holes 41 arranged at the upper end of the T-shaped cylinder 4 (as shown in the attached drawing 2), because the bottle mouth of the water collecting bottle 2 is arranged in the F space region, and in addition, the air humidity entering the F space region from the second cavity 6 through the communication holes 41 is higher (the water vapor saturation is higher), the water vapor saturation of the air in the F space region where the bottle mouth of the water collecting bottle 2 is located is always at a higher level, the efficiency of outwards evaporating the water in the water collecting bottle 2 through the bottle mouth part is inhibited, the effect of inhibiting the outwards evaporation of the collected rainwater in the water collecting bottle 2 is jointly realized through two modes of actively cooling the water collecting bottle 2 and increasing the water vapor saturation in the air in the space region where the bottle mouth is located, as shown in the attached drawing 2, the outer wall of the collecting cylinder 1 at the upper end of the F space region is provided with the vent hole 39 communicated with the outside, and the gas which is discharged into the F space region from the second cavity 6 and has the higher water vapor saturation is discharged out of the collecting cylinder 1;
when the temperature sensing unit arranged in the first cavity 5 detects that the temperature of the external environment is reduced and is lower than a set range (the evaporation efficiency of water in the temperature range is low and can be ignored, and workers in the temperature range can obtain related data parameters through experiments), at the moment, the plurality of air supply fans 9 stop working, and after the rainfall duration reaches a preset time, the water in the water collecting bottle 2 is measured to obtain corresponding rainfall information parameters;
in this scheme can be in water-collecting bottle 2 bottom through output tube (be equipped with the automatically controlled valve on the output tube) intercommunication have the metering tube (not shown in the above-mentioned structure picture), automatically controlled valve electric connection has control module, the staff realizes controlling the switching of automatically controlled valve through control module in the central control room (the control unit of central control room realizes carrying out information exchange and normal communication with control module according to agreed agreement through information network sensing equipment), treat that the rainfall reaches after predetermined duration, the staff sends the instruction to control module through control unit in the central control room and controls the automatically controlled valve through control module and opens, make the rainwater of saving in water-collecting bottle 2 enter into the metering tube through the output tube, the metering tube in this embodiment can be weighing type metering instrument, its principle: the weight of the rainfall is measured, the volume is calculated and converted into the rainfall, the rainfall (depth) = weight \ density \ area is calculated and converted into the rainfall (the measurement of rainfall data information is completed), the weighing, the conversion and the data obtaining in the process are completed by corresponding module units, the obtained rainfall data information is finally transmitted to a central control room in real time through network connection (a worker can timely obtain rainfall data information parameters), the worker can clearly and intuitively know the change condition of the rainfall in the area in one year according to the data by the monitored rainfall data information parameters, and the rainfall information database is further formed by recording and sorting the monitored rainfall data information parameters, so that the method is favorable for better guiding farmers to plant and manage crops.
when the temperature rises, part of carbon dioxide dissolved in the carbonic acid solution is decomposed and upwards enters the gas cylinder 11 communicated with the gas cylinder, if the temperature rises more, more cups of carbon dioxide originally dissolved in the carbonic acid solution are decomposed, more carbon dioxide enters the gas cylinder 11 and forces the lifting piston 12 to move upwards in the gas cylinder 11 (so that a spring connected with the lifting piston 12 is compressed), the rod 13 connected with the lifting piston 12 is synchronously driven to move upwards along with the upward movement of the lifting piston 12, the rod 13 is arranged at one end outside the gas cylinder 11 and is provided with a probe 14, a vertically extending resistance sheet 15 is arranged on the outer wall of the gas cylinder 11 (initially, when the temperature is lower, the lifting piston 12 is arranged at the position close to the bottom wall of the gas cylinder 11 and the bottom ends of the probe 14 and the resistance sheet 15 are in contact with each other), an insulating sheet 40 which is arranged on the outer wall of the gas cylinder 11 and is in smooth transition fit with the resistance sheet 15 is arranged at the bottom end of the rod 15, so that when the temperature is in a certain range, the probe 14 is in contact with the insulating connection with the insulating resistance sheet 15, and the resistance sheet 9 is connected with the electric fan 9 as shown in the attached drawing;
when the temperature is within a certain range, a small amount of carbon dioxide in the carbonic acid solution in the liquid storage tank 10 is decomposed and enters the gas cylinder 11 (so that the lifting piston 12 moves upwards for a corresponding distance), and the probe 14 is set to be still in matched contact with the insulating sheet 40 (at the time, the electric circuit is in a non-conduction state), so that when the ambient temperature rises to a certain value, more and more carbon dioxide is decomposed and enters the gas cylinder 11, the upward movement distance of the lifting piston 12 is further increased, and the probe 14 moves upwards synchronously and starts to be in matched contact with the resistance card 15 (at the time, the electric circuit formed by the air supply fan 9 and the resistance card 15 is in a conduction state, and when the probe 14 is in contact with the resistance card 15, the resistance value of the resistance card 15 connected into the electric circuit is in a maximum state);
at the moment, the air supply fan 9 is started and starts to convey high-speed airflow into the first cavity 5, the airflow direction rapidly flows in the first cavity 5 from top to bottom along the direction shown by an arrow in the attached drawing 2, firstly, the environment in the first cavity 5 is primarily cooled, then, the high-speed airflow enters the second cavity 6 through the U-shaped pipe 8 and rapidly flows in the second cavity 6 from bottom to top, as shown in the attached drawing 3, the high-speed airflow rapidly flows in the second cavity 6, so that the evaporation of water in the water absorption system is accelerated, and further, the heat of the surrounding environment is absorbed while the water is rapidly evaporated, so that the cooling effect is realized;
with the continuous rise of the ambient temperature, the solubility of carbon dioxide in the carbonic acid solution is gradually reduced, and then carbon dioxide gas decomposed from the carbonic acid solution continuously enters the gas cylinder 11, so that the distance of the lifting piston 12 moving upwards in the gas cylinder 11 is larger, as shown in fig. 9, along with the upward movement of the lifting piston 12, the probe 14 connected with the lifting piston is synchronously moved upwards, the resistance value of the resistance card 15 connected into the electrical loop is gradually reduced, and then the current in the electrical loop is gradually increased, so that the power of the air blowing fan 9 is increased (the heat dissipation power is increased), and thus the heat dissipation power of the air blowing fan 9 is gradually increased with the rise of the ambient temperature;
when the temperature in the surrounding environment begins to decrease, the ambient temperature of the air in the first cavity 5 will also decrease synchronously, and at this time, the solubility of carbon dioxide in the carbonic acid solution is increased, so that the carbon dioxide gas originally entering the air cylinder 11 (located in the air cylinder 11 space below the lifting piston 12) is pressed into the carbonic acid solution again under the action of the lifting piston 12 and the spring connected thereto, so that the lifting piston 12 descends in the air cylinder 11, the probe 14 moves downwards synchronously with the descending of the lifting piston 12, and the resistance value of the resistance sheet 15 connected into the electrical loop is gradually increased, so that the current in the electrical loop is gradually decreased (the heat dissipation power of the blower fan 9 is reduced synchronously), thereby adjusting the working power of the blower fan 9 correspondingly according to the change of the ambient temperature, and reducing the consumption of electric power as little as possible (saving electric energy) under the condition of satisfying heat dissipation
If the ambient temperature continues to drop so that the lift piston 12 drops in the cylinder 11 to separate the probe 14 from the resistor 15, as shown in fig. 9, the probe 14 contacts the insulating sheet 40, the electrical circuit is no longer conductive, and there is no current in the electrical circuit, and the blower fan 9 stops working (no forced heat dissipation is performed).
the other end of the cotton rope 18 extends into the second cavity 6 under the action of the draft tube 16 and is integrally connected with absorbent cotton 17, the absorbent cotton 17 is attached to the outer wall of the water collecting bottle 2 (as shown in the attached drawings 3 and 4), when raining, rainwater falls into the water collecting tank 7 and leads water to the absorbent cotton 17 under the action of the cotton rope 18 (the process is a slow process and relates to the permeation of water, the water can permeate into the absorbent cotton 17 through the guiding direction of the cotton rope 18), when the air supply fan 9 works and generates high-speed air flow from bottom to top in the second cavity 6 (so that the water vapor saturation in the second cavity 6 is reduced), the evaporation of the absorbed water in the absorbent cotton 17 can be accelerated, and then the heat of the surrounding environment is absorbed through evaporation (the cooling effect is realized).
Example 4, on the basis of example 3, as shown in fig. 5, a control pipe 19 is integrally provided in a portion of the flow guide pipe 16 located in the collection cylinder 1 (the inner diameter of the control pipe 19 is larger than the inner diameter of the flow guide pipe 16), a plurality of squeezing plates 20 are slidably mounted in the control pipe 19 along the radial direction thereof, and a spring is connected between the squeezing plates 20 and the control pipe 19 (as shown in fig. 6), the squeezing plates 20 are arranged in an arc shape and attached to the outer surface of the cotton rope 18, a squeezing mechanism provided in the collection cylinder 1 is connected to an end of the squeezing plates 20 located outside the control pipe 19, a squeezing cylinder 21 communicating with the air cylinder 11 is provided in an F space region located above the T-shaped cylinder 4 (a connecting port B is provided at the bottom of the squeezing cylinder 21, and a connecting port a is provided on the air cylinder 11, as shown in fig. 2), and the connecting ports a connecting port a and B are connected through a pipe (not shown in the figure 4), and as the squeezing piston 22 moves in the squeezing cylinder 21, the squeezing mechanism drives the squeezing plates 20 to move radially in a direction away from the control pipe 19, and the squeezing mechanism is initially moved in a direction away from the inner portion of the squeezing plate 20 to the flow of the cotton rope, so that the squeezing pipe 18 is more easily penetrated into a section of the control pipe 18, and the squeezing water collecting pipe 18 is less easily, and the cotton rope, and the control pipe 18 is squeezed by the cotton rope, and the squeezing mechanism is located in a section of the cotton rope, so that the control pipe 18;
when carbon dioxide gas is decomposed from the carbonic acid solution and enters the gas cylinder 11, the lifting piston 12 is moved upwards, along with the upward movement of the lifting piston 12, gas (air) originally located in the space of the gas cylinder 11 above the lifting piston 12 is squeezed into the squeezing cylinder 21, so that the squeezing piston 22 is forced to move in the squeezing cylinder 21 (a spring is connected between the squeezing piston 22 and the squeezing cylinder 21), along with the movement of the squeezing piston 22, the squeezing plates 20 are driven to synchronously move outwards in a direction away from the central axis of the control tube 19, so that the squeezing degree of the cotton ropes 18 is reduced, and along with the increase of the ambient temperature, the squeezing degree of the cotton ropes 18 by the squeezing plates 20 is continuously reduced, and the increase of the ambient temperature means that the cooling efficiency needs to be increased, namely, at this time, the working power of the blower fan 9 is high, the flow rate of the air current flowing through the second cavity 6 is high (so that the evaporation rate of the water in the absorbent cotton 17 is high), the extrusion degree of the plurality of extrusion plates 20 on the cotton rope 18 is reduced, when the water in the water collection tank 7 permeates to the position of the control pipe 19 through the cotton rope 18, the water in the cotton rope 18 can easily and quickly permeate to the end close to the absorbent cotton 17 from the end, close to the water collection tank 7, of the control pipe 19, and then is transferred and permeated into the absorbent cotton 17, so that the water absorption rate of the absorbent cotton in unit time is increased, the water in the absorbent cotton 17 is increased, and the flow rate of the air flowing through the second cavity 6 is high, so that the high-efficiency cooling effect (the increase of the flow rate of the air current and the water in the absorbent cotton 17 can be increased, and the evaporation amount of the water in unit time is increased, and the cooling capability is improved);
when the ambient temperature begins to decrease, part of the decomposed carbon dioxide gas begins to be dissolved in the carbonic acid solution again, so that the lifting piston 12 moves downwards along the air cylinder 11 and the extrusion piston 22 moves towards the initial position synchronously, the extrusion degree of the cotton ropes 18 by the plurality of extrusion plates 20 begins to increase slowly under the action of the extrusion piston 22 and the extrusion mechanism (namely, the cotton ropes 18 are partially thinned and more dense in the control tube 19, so that the water permeation efficiency is reduced), and meanwhile, the working power of the plurality of air supply fans 9 is also reduced synchronously, so that the working power of the air supply fans 9 corresponds to the amount of water permeating into the absorbent cotton 17 in unit time in the temperature descending trend;
so as to avoid the inconvenience of the water in the water collecting tank 7 permeating into the absorbent cotton 17 through the cotton rope 18 when the working power of the air supply fan 9 is low, thereby causing the humidity of the air in the second cavity 6 to increase (the power of the air supply fan 9 is low, the flow rate of the air flowing through the second cavity 6 is slow, the efficiency of discharging the air in the second cavity 6 outwards becomes slow, the efficiency of permeating the water into the absorbent cotton 17 is high and the efficiency of evaporating the water in the absorbent cotton 17 is high), thereby causing the water vapor saturation of the air in the second cavity 6 to be high, and on the contrary, the evaporation of the water in the absorbent cotton 17 can be inhibited (the opposite effect is achieved);
or the working power of the blowing fan 9 is high, and the efficiency of the water in the water collecting tank 7 permeating into the absorbent cotton 17 through the cotton rope 18 is low, at this time, although the speed of the air flowing through the second cavity 6 is high, the water in the absorbent cotton 17 is low (the permeation efficiency of the water into the absorbent cotton 17 cannot meet the evaporation capacity of the water at a high air flow speed), so that a good effect cannot be achieved (although the gas flowing at a high speed can take away part of the heat, the heat is less than the heat consumed by the evaporation and heat absorption of the water);
in the scheme, the efficiency of the water in the water collecting tank 7 permeating into the absorbent cotton 17 through the cotton rope 18 is matched with the working power of the air supply fan 9, so that the evaporation effect of the water is optimal, and a good cooling effect is realized.
Embodiment 5, on the basis of embodiment 4, as shown in fig. 7, a plurality of air cavities 23 (i, ii) are vertically arranged in the wall of the water collecting bottle 2 at intervals, and a plurality of balloons 24 are vertically arranged in the water collecting bottle 2 at intervals, the plurality of balloons 24 and the air cavities 23 are connected in series through pipes 25 (including air inlet pipes 27, air outlet pipes 26, etc.) to realize communication, as shown in fig. 7, an air inlet pipe 27 arranged outside the collecting cylinder 1 is communicated with the bottom of the balloon 24, a manual control valve (or an electric control valve, which is electrically connected to a control module) is arranged on the air inlet pipe 27, and initially, a worker can inject a certain amount of air into the balloon 24 through the air inlet pipe 27 and make the balloon in a deflated state (in the above process, the worker in a central control room can control the electric control valve to open the electric control valve and communicate the air inlet pipe 27 with an air pump when setting the monitoring system, and then remotely operate to realize and complete filling of a certain amount of air into the balloon 24;
the two ends of the balloon 24 positioned above the water collecting bottle are communicated with the two adjacent air cavities 23 through pipelines 25 respectively, firstly, the balloon 24 is communicated with the air cavity I23 through the pipeline 25, secondly, the balloon 24 is communicated with the air cavity II 23 through the pipeline 25, thirdly, the balloon 24 is communicated with a hole (not numbered in the figure) arranged in the wall of the water collecting bottle 2 through the pipeline 25 and the hole is communicated with the outside, and a pressure valve 28 is arranged on the discharge pipeline 25 (the pressure valve 28 is electrically connected with a control module which controls the pressure valve 28 to be opened when the gas pressure reaches a set value);
initially, water does not exist in the water collecting bottle 2, the balloon 24 is in an expansion state (at the time, the pressure valves 28 are in a closed state), when rainfall begins, rainwater is collected in the water collecting bottle 2 and grouting is performed to submerge the balloon 24, the gas pressure in the balloon 24 is increased compared with that in the initial state (the balloon 24 also bears part of pressure from water), the ambient temperature is high at the time and the plurality of air supply fans 9 are already operated, the temperature of the air in the water collecting bottle 2, the water in the water collecting bottle 2 and the air in the air cavity 23 in the wall of the water collecting bottle 2 is obviously reduced along with continuous rainfall, so that when the air pressure in the balloon 24 reaches the opening value set by the pressure valves 24 (the pressure valves 28 corresponding to the balloon 24 are opened), the air in the balloon 24 begins to be injected into the air cavity 23 through the air exhaust pipes 26, the pressure in the air cavity 23 is increased along with the continuous rainfall, the air in the air cavity 23 begins to be inflated into the balloon 24 through the air inlet pipes 27, and the air in the air cavity 24 is inflated to be inflated into the balloon 24, and the balloon 24, the air cavity 24 is inflated continuously inflated along with the water level of the lower balloon 24, the water level of the balloon 24, the balloon is increased continuously;
when the air pressure in the balloon 24 reaches the pressure value set by the pressure valve 28 corresponding to the air pressure, the pressure valve 28 is opened, then the air in the balloon 24 is injected into the II air cavity 23 under the action of air pressure difference, so that the air pressure in the II air cavity 23 is increased, the air originally in the II air cavity 23 is injected into the balloon 24 (so that the balloon 24 starts to expand), and the process is not described in detail in the same way as the above;
note: when the pressure valve 28 corresponding to the balloon 24 is opened, the air in the balloon 24 is communicated with the air cavity i 23, so that the temperature of the remaining part of air in the balloon 24 is gradually reduced (the temperature of the air in the air cavity i 23 is low), and a better cooling effect on rainwater stored in the water collecting bottle 2 can be achieved (the rainwater in the water collecting bottle 2 is fully contacted with the outer wall of the balloon 24, so that the existence of the balloon 24 is equivalent to the arrangement of a low-temperature cavity in water), and similarly when the pressure valve 28 corresponding to the balloon 24 is opened, the remaining part of gas in the balloon 24 is communicated with the air cavity i so that the temperature is gradually reduced (the effect achieved is the same as that of the balloon 24, so that much description is not given here), in the embodiment, the inflation condition of the balloon 24 can be correspondingly adjusted according to the height change of the water in the water collecting bottle 2, namely, a certain amount of gas is filled in the balloon 24 close to the water surface position, and the temperature of the rainwater is easily controlled to be evaporated and close to the water surface, so that the rainwater is easily evaporated in the close to the water surface position;
the inner wall of the water collecting bottle 2 in the scheme is set to be in a shape with a wide lower part and a narrow upper part, so that the contact area between the water surface and the air is smaller when the water level in the water collecting bottle 2 is closer to the position of the bottle opening, and further inhibition of evaporation of water is facilitated (error is reduced);
until the preset collection time is reached, the staff control and open the pressure valves 28 corresponding to the balloons 24 by remote operation and transmitting instructions to the control module, so that the air stored in the balloons 24 is completely discharged outwards through the holes arranged in the wall of the water collecting bottle 2 (and then the control module controls the pressure valves 28 to close to complete the reset).
the refrigeration cavity 29, the transmission cavity 30, the refrigeration cavity 29 and the transmission cavity 30 are coaxially arranged in the wall of the water collecting bottle 2 at intervals, heat insulation materials are arranged between the refrigeration cavity 29 and the transmission cavity 30 (one side of the transmission cavity 30, which is far away from the refrigeration cavity 29, and one side of the refrigeration cavity 29, which is far away from the transmission cavity 30, are made of heat conduction materials), the bottoms of the refrigeration cavity 29 and the transmission cavity 30 are communicated (as shown in the attached drawing 8), partition plates 31 are vertically arranged in the transmission cavity 30 at intervals, pressure valves 28 (which are made of heat insulation materials) are arranged on the partition plates 31, the refrigeration cavity 29 and part of the transmission cavity 30 communicated with the refrigeration cavity 29 form a cavity (1), a cavity (2) is formed between the two partition plates 31, a cavity (3) is formed above the uppermost partition plate 31, a balloon 24 is communicated with the cavity through a pipeline 25, the balloon 24 is communicated with the cavity (2) through the pipeline 25, the balloon 24 is communicated with the cavity (through the pipeline 25 and the cavity (3), a fixing measure can be arranged at one end, which is far away from the corresponding pipeline 25, and the balloon 24 is communicated with the cavity, and is fixed on the inner wall of the water collecting bottle 2, so that the balloon 24 can be positioned;
firstly, the balloon 24 is also filled with a certain amount of air and is in an expansion state, when the air supply fan 9 is started to work and the water collecting bottle 2 is cooled, the temperature of the air in the cavity (1) is reduced (so that the temperature of the air in the balloon 24 communicated with the cavity is reduced, and therefore the effect of cooling rainwater collected in the water collecting bottle 2 is achieved, and the rainwater is only cooled in the area range where the liquid level is lower than that of the lowermost partition plate 31, and at the moment, (2) the temperature of the air in the cavity (3) cannot be changed and is in a higher value relative to the temperature of the air in the cavity (1);
along with the rainfall, the water level in the water collecting bottle 2 is gradually increased to submerge the balloon 24 (in the process, the air pressure in the cavity (1) is gradually increased), so that when the air pressure in the cavity (1) is increased to a preset value (when the water level height in the water collecting bottle 2 submerges the balloon 24, the pressure valve 28 is opened), the control module controls the pressure valve 28 installed on the lowermost Fang Geban to be opened (so that the cavity (1) and the cavity (2) are communicated with each other), meanwhile, the gas in the balloon 24 starts to be filled into the balloon 24 through the pipeline 25 and the balloon 24 expands, at the moment, the air temperature in the cavity (2) starts to be gradually reduced, therefore, the effect of cooling rainwater in the corresponding range of the cavity (1) and the cavity (2) is achieved, along with the continuous rising of the water level, the pressure valve 28 of the control module arranged above the partition plate 31 is opened (simultaneously, the rainwater in the corresponding range (24) is partially submerged into the cavity (3), and the water level is transferred into the cavity (3) and the cavity is all in the corresponding to the cavity (3) and the corresponding to the balloon 24) and the water level is transferred into the cavity (3) and the cavity);
the arrangement is to avoid that when rainwater in the water collecting bottle 2 is collected less (at the moment, the height of the water liquid level in the water collecting bottle 2 is lower), if the whole water collecting bottle 2 is directly cooled, the temperature of a part, which is not contacted with the rainwater, of the inner wall of the water collecting bottle 2 is lower, and if the air temperature in the water collecting bottle 2 is higher and the part is contacted with the inner side wall, which is lower in temperature, of the water collecting bottle 2, the phenomenon that the water is condensed on the inner side wall of the water collecting bottle 2 is very easy to occur (condensed small liquid drops flow downwards into the collected rainwater along the inner side wall of the water collecting bottle 2, and because the condensed small liquid drops originally do not belong to the rainfall, the influence and the error on the collection of the rainwater can be caused by the conditions can be well reduced by the sectional cooling and cooling modes according to the amount of the rainwater collected in the water collecting bottle 2;
as shown in fig. 8, a channel communicated with the outside is provided at the upper end of the refrigeration cavity 29, and an electric control valve (not numbered in the figure) is provided on the channel, when resetting is required, a worker remotely operates the control module and opens the electric control valve, so that the gas in the balloon 24 is discharged outwards through the channel, and then the control module controls the pressure valves 28 to close again to complete resetting.
Example 7, on the basis of example 4, as shown in fig. 6, the extrusion mechanism includes an extrusion ring 33 coaxially and rotatably mounted on the outer wall of the control tube 19, and a plurality of arc-shaped blocks 34 are disposed around the inner wall of the extrusion ring 33 at intervals, the outer wall of the extrusion ring 33 is provided with a plurality of tooth systems and engaged with gears, the gears are coaxially provided with a cylinder 32 and the cylinder 32 is coaxially and rotatably mounted on the extrusion cylinder 21, the inner wall of the cylinder 32 is provided with a spiral groove 36, and the extrusion piston 22 is disposed at an outer end of the extrusion cylinder 21 and provided with a pin 37 engaged with the spiral groove 36, when the extrusion piston 22 moves in the extrusion cylinder 21, the pin 37 is engaged with the spiral groove 36 disposed on the inner wall of the cylinder 32 to drive the cylinder 32 to rotate relative to the extrusion cylinder 21, so as to drive the extrusion ring 33 to rotate through the engagement of the gears and the tooth systems, and along with the rotation of the extrusion ring 33, the arc-shaped blocks 34 and the protrusions 35 are engaged with each other to control the radial movement of the extrusion plate 20 along the control tube 19 (so as to control the extrusion degree of extrusion of the cotton rope 18, and further control the permeation efficiency of water to the cotton rope 18 to the water absorption 17);
as shown in the enlarged view of fig. 5, a stopper (not numbered) corresponding to the extruding piston 22 is disposed in the extruding cylinder 21, the connection port B is disposed at an end of the stopper away from the cylinder 32, and the stopper is disposed to limit the extruding piston 22 (to ensure that gas can smoothly flow into the extruding cylinder 21 through the connection port B and force the extruding piston 22 to move).
Embodiment 8 is based on embodiment 7, the bottom end of the control tube 19 is communicated with a drain tube 38 extending outward from the collecting cylinder 1, when the squeezing plates 20 squeeze the cotton rope 18 to a greater extent, part of the water originally permeated into the cotton rope 18 is squeezed outward by a greater squeezing force and gathers at the bottom end of the control tube 19, and the drain tube 38 is disposed to just discharge the squeezed part of the water outward out of the control tube 19 (so that when more water gathers in the control tube 19, the water will be poured downward into the absorbent cotton 17 along the gap between the flow guide tube 16 and the cotton rope 18).
The above is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.
Claims (8)
1. A rainfall data monitoring system based on the Internet of things technology comprises a collecting cylinder (1), wherein a water collecting bottle (2) is arranged in the collecting cylinder (1), and a funnel (3) is arranged at the upper end of the collecting cylinder (1), and is characterized in that a T-shaped cylinder (4) which is arranged at an interval with the water collecting bottle (2) is coaxially arranged in the collecting cylinder (1), the outer wall of the T-shaped cylinder (4) and the inner wall of the collecting cylinder (1) form a first cavity (5), the inner wall of the T-shaped cylinder (4) and the outer wall of the water collecting bottle (2) form a second cavity (6), a plurality of water absorbing systems are covered on the outer wall of the water collecting bottle (2) at intervals in a surrounding manner, and the water absorbing systems are connected with a water collecting groove (7) which is arranged outside the collecting cylinder (1);
first cavity (5), second cavity (6) are through locating a plurality of U-shaped pipe (8) of collection cylinder (1) diapire realize intercommunication and second cavity (6) upper end and be located the collection cylinder (1) space intercommunication of T shape section of thick bamboo (4) top, collection cylinder (1) are located on the outer wall at first cavity (5) position interval ring and are equipped with a plurality of air supply fans (9) and are equipped with temperature perception unit in first cavity (5).
2. The system for monitoring rainfall data based on the internet of things technology as claimed in claim 1, wherein the temperature sensing unit includes a plurality of liquid storage tanks (10) disposed around the first cavity (5) at intervals, and carbonic acid solution is stored in the liquid storage tanks (10), the liquid storage tanks (10) are connected to an air cylinder (11), and lifting pistons (12) elastically connected to the air cylinder (11) are disposed in the air cylinder (11), frame rods (13) disposed outside the air cylinder (11) are integrally disposed on the lifting pistons (12), probes (14) are disposed at bottoms of the frame rods (13), and resistance pads (15) cooperating with the probes (14) are disposed on outer walls of the air cylinder (11), and the fans are connected in series to the same electrical circuit.
3. The rainfall data monitoring system based on internet of things technology of claim 2, wherein a plurality of outwardly extending guide pipes (16) are annularly arranged in the collection cylinder (1) above the T-shaped cylinder (4) at intervals, the guide pipes (16) are communicated with the water collection tank (7), the water absorption system comprises water absorption cotton (17) tightly attached to the outer wall of the water collection bottle (2), the water absorption cotton (17) is integrally connected with cotton ropes (18) arranged in the guide pipes (16), and the tail ends of the cotton ropes (18) are arranged in the water collection tank (7).
4. The rainfall data monitoring system based on the internet of things technology of claim 3, wherein the flow guide tube (16) is integrally provided with a control tube (19) inside the collecting vessel (1) and a plurality of extrusion plates (20) elastically connected with the control tube (19) are slidably mounted in the control tube (19) along the radial direction of the control tube, an extrusion mechanism arranged in the collecting vessel (1) is matched with one end of the extrusion plates (20) outside the control tube (19), an extrusion vessel (21) communicated with the air cylinder (11) is arranged in the collecting vessel (1) above the T-shaped vessel (4), an extrusion piston (22) elastically connected with the extrusion vessel (21) is arranged in the extrusion vessel (21), and the extrusion piston (22) is connected with the extrusion mechanism.
5. The rainfall data monitoring system based on the technology of the Internet of things according to claim 4, wherein a plurality of air cavities (23) are vertically arranged in the wall of the water collecting bottle (2) at intervals, a plurality of balloons (24) are vertically arranged in the water collecting bottle (2) at intervals,
the balloons (24) and the air cavities (23) are connected in series through pipelines (25) and are communicated, the balloon (24) positioned at the uppermost end is communicated with the external environment of the water collecting bottle (2) through an exhaust pipe (26), the balloon (24) positioned at the lowermost end is communicated with an air inlet pipe (27) extending out of the water collecting bottle (2), and a pressure valve (28) is arranged on the pipeline (25).
6. The rainfall data monitoring system based on the technology of the internet of things according to claim 5, wherein a refrigeration cavity (29) and a transfer cavity (30) are arranged in the wall of the water collecting bottle (2) at intervals in a coaxial manner, heat insulation materials are arranged between the refrigeration cavity (29) and the transfer cavity (30), and the bottoms of the refrigeration cavity (29) and the transfer cavity (30) are communicated;
a plurality of partition plates (31) are vertically arranged in the transfer cavity (30) at intervals, the pipeline (25) is communicated with the cavity between two adjacent partition plates (31), the other end of the pipeline (25) is communicated with the balloon (24), and the pressure valve (28) is arranged on the partition plates (31).
7. The rainfall data monitoring system based on internet of things technology of claim 4, wherein the extrusion mechanism comprises an extrusion ring (33) coaxially rotatably mounted on the outer wall of the control pipe (19), a plurality of arc-shaped blocks (34) are arranged on the inner wall of the extrusion ring (33) in an encircling mode at intervals, one end, extending out of the control pipe (19), of the extrusion plate (20) is provided with a protrusion (35) matched with the arc-shaped blocks (34), and the extrusion ring (33) is driven by the extrusion piston (22).
8. The rainfall data monitoring system based on the technology of the internet of things of claim 7, wherein the bottom end of the control pipe (19) is communicated with a drain pipe (38) extending outwards out of the collecting barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211147144.0A CN115421222A (en) | 2022-09-20 | 2022-09-20 | Rainfall data monitoring system based on internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211147144.0A CN115421222A (en) | 2022-09-20 | 2022-09-20 | Rainfall data monitoring system based on internet of things |
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| Publication Number | Publication Date |
|---|---|
| CN115421222A true CN115421222A (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211147144.0A Withdrawn CN115421222A (en) | 2022-09-20 | 2022-09-20 | Rainfall data monitoring system based on internet of things |
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| CN (1) | CN115421222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448504A (en) * | 2023-04-14 | 2023-07-18 | 张红梅 | Ecological hydrologic monitoring facilities |
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2022
- 2022-09-20 CN CN202211147144.0A patent/CN115421222A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448504A (en) * | 2023-04-14 | 2023-07-18 | 张红梅 | Ecological hydrologic monitoring facilities |
| CN116448504B (en) * | 2023-04-14 | 2023-12-15 | 上海勘测设计研究院有限公司 | Ecological hydrologic monitoring facilities |
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Application publication date: 20221202 |