Drought identification shed condition control system

Abstract

The utility model belongs to the technical field of greenhouses, and particularly relates to a drought identification greenhouse condition control system which comprises a greenhouse, a foundation bed furrow module, prefabricated soil, a drip irrigation system and a temperature control system, the foundation bed furrow module is integrally formed, ridge beams higher than ridge platforms are arranged on the two sides of the foundation bed furrow module, and storage guide grooves penetrating through the ridge beams in the length direction are formed in the opposite faces of the ridge beams. An arc-shaped reflecting surface with a heat reflecting coating is formed on the inner wall of the storage guide groove; by arranging the integrally-formed foundation bed furrow module, the furrow is filled with the prefabricated soil, the limitation that a traditional greenhouse is usually arranged in a ridge is broken through, the greenhouse construction site selection flexibility is facilitated, scientific tests are more convenient, soil components can be controlled according to test targets, and soil fertility unification is facilitated; by arranging the drip irrigation system and the temperature control system and combining the environmental data acquisition and intelligent analysis feedback system, the problem that the existing drought identification shed is single in environmental control means is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of the greenhouse, and particularly relates to a drought identification shed condition control system. BACKGROUND

[0002] The drought identification shed is used for studying drought resistance of crops, and drought stress environment is caused artificially, is not affected by natural rainfall, and is used for identifying drought resistance of crops by simulating drought conditions of different degrees; the purpose is to provide basic data and materials for drought-resistant breeding by screening and identifying crop varieties with excellent drought resistance, and the drought identification shed can also be used for studying physiological and ecological index changes of crops under drought stress, such as water use efficiency, and providing a basis for formulating drought-resistant high-quality and high-yield matching cultivation techniques; the significance lies in that the drought identification shed helps farmers and agricultural producers to select crop varieties suitable for local drought environment, guides agricultural production layout, improves yield and quality of crops under drought conditions, and guarantees food safety and sustainable development of agriculture.

[0003] At present, with the continuous improvement of precision, efficiency, diversity and comprehensiveness requirements of agricultural scientific research, the existing drought identification shed exposes problems to be solved: the existing drought identification shed has single control environment means, and can only detect drought resistance of crops under single natural drought conditions, and cannot carry out specific condition tests according to drought resistance of different crops. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a drought identification shed condition control system to solve the above technical problems.

[0005] The utility model adopts the technical scheme: a drought identification shed condition control system, including a greenhouse, an integrally formed base bed ridge ditch module, prefabricated soil, a drip irrigation system, a temperature control system, a control room located at the right side of the greenhouse,

[0006] The base bed ridge ditch module comprises 2-8 parallel equal-length ridges, the ridges are filled with prefabricated soil, ridge tables are arranged between the ridges, ridge beams higher than the ridge tables are arranged on the two sides of the base bed ridge ditch module, the opposite surfaces of the ridge beams are provided with object guide grooves penetrating through the length direction of the ridge beams, and the inner wall of the object guide grooves forms an arc-shaped reflecting surface with a heat-reflecting coating;

[0007] The drip irrigation system comprises a water distributor arranged at the back side of the control room, the water inlet of the water distributor is connected with one end of a main pipe, the water outlets are respectively connected with one end of each branch pipe, the electric regulating valve and the water flow sensor are sequentially arranged at the branch pipe close to the water outlet, the water flow sensor is connected with the middle interface of a three-way joint at the end away from the branch pipe, the two side interfaces of the three-way joint are respectively connected with drip irrigation pipes of the same specification, and the drip irrigation pipes are symmetrically laid along the two sides of each ridge.

[0008] The temperature control system comprises two groups of halogen tubes respectively arranged along the length direction of the storage guide groove, electrically operated ventilation windows corresponding to each other and arranged on the two side walls along the length direction of the greenhouse, and temperature sensors hung on the steel frame in the greenhouse.

[0009] The drip irrigation system further comprises soil moisture sensors, probes of the soil moisture sensors being inserted into the prefabricated soil filled in the ridge ditch and located away from one end of the tee joint.

[0010] The control chamber is further provided with a power supply, an environmental data acquisition and intelligent analysis feedback system, wherein the environmental data acquisition and intelligent analysis feedback system comprises a data collector and an integrated intelligent controller.

[0011] The right side wall of the greenhouse is inlaid with a junction box, signal lines of the temperature sensors, the soil moisture sensors and the water flow sensors and signal control lines of the electrically operated regulating valves all pass through the junction box and are connected to the input end of the data collector, and the output end of the data collector is connected to the integrated intelligent controller.

[0012] The junction box is further provided with a first relay and a second relay, a power supply line of the halogen tube is electrically connected to the power supply through the first relay, and a power supply line of the electrically operated ventilation window is electrically connected to the power supply through the second relay; the first relay and the second relay are both electrically connected to the integrated intelligent controller.

[0013] The base bed ridge ditch module is made of concrete or metal material; the base bed ridge ditch module is provided with integral end faces on both sides along the length direction, wherein the end face close to the branch pipe is provided with a through hole corresponding to the position of the end face of the water flow sensor.

[0014] The ridge ditch of the base bed ridge ditch module is 4 or 6.

[0015] The number of the temperature sensors is four, which are uniformly distributed in the interior of the greenhouse.

[0016] The greenhouse comprises a greenhouse door, and the control chamber comprises a control chamber door; the greenhouse door and the control chamber door are both arranged away from the water distributor.

[0017] Beneficial effects: 1. By setting the integrally formed base bed ridge module, the ridge ditch is filled with prefabricated soil, which breaks through the limitation of the traditional greenhouse usually set in the ridge, is beneficial to the flexibility of greenhouse construction site selection, is more convenient for scientific test, in addition, the setting can not only realize the control of soil composition according to the test target, but also is convenient for unified soil fertility: before crop test, the suitable soil and fertilizer can be screened according to the test target, mixed and prepared as prefabricated soil, and then the prefabricated soil is filled into the ridge ditch, so that the test result deviation caused by the difference of soil fertility in the test process is reduced, which is beneficial to the practicability and scientific rationality of the utility model; furthermore, the integrally formed design is convenient for controlling the strict consistency of each ridge ditch, thereby reducing the test variable, and is beneficial to the accuracy of test result. 2. By setting the drip irrigation system, the temperature control system and combining the environmental data acquisition and intelligent analysis feedback system, the problem of single environmental control means of the existing drought identification shed is solved, specific conditions are set according to different crop drought resistance or test target; the environmental data acquisition and intelligent analysis feedback system collects temperature, soil moisture and drip irrigation flow data in real time, so as to control the drip irrigation system and the temperature control system according to the set test conditions, accurately adjust the temperature and humidity, not only rely on natural drought conditions for test, realize the controllable condition, and meet the requirements of precision and high efficiency of agricultural scientific research. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the top view of the internal structure of the utility model;

[0019] Figure 2 It is the A enlarged view of the utility model; Figure 1

[0020] Figure 3 It is the back view of the base bed ridge module of the utility model;

[0021] Figure 4 It is the B enlarged view of the utility model; Figure 3

[0022] Figure 5 It is the top view of the base bed ridge module of the utility model;

[0023] Figure 6 It is the C-C sectional view of Figure 5 ;

[0024] Figure 7 It is the front view of the utility model;

[0025] Figure 8 It is the D-D sectional view of Figure 7 ;

[0026] ​​The diagram is labeled as follows: 1. Greenhouse; 11. Greenhouse door; 112. Junction box; 2. Subgrade furrow module; 21. Furrow; 22. Ridge; 23. Ridge beam; 24. Storage guide channel; 25. Curved reflective surface; 26. Through hole; 3. Precast soil; 4. Drip irrigation system; 41. Water distributor; 42. Inlet; 43. Water outlet; 44. Branch pipe; 45. Electric regulating valve; 46. Water flow sensor; 47. T-connector; 48. Drip irrigation pipe; 49. Soil moisture sensor; 5. Temperature control system; 51. Halogen pipe; 52. Electric ventilation window; 53. Temperature sensor; 54. First relay; 55. Second relay; 6. Control room; 61. Control room door; 7. Power supply; 8. Data acquisition unit; 9. Integrated intelligent controller. Detailed Implementation

[0027] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. For example... Figures 1-8 As shown, the technical solution adopted by this utility model is: a drought assessment greenhouse condition control system, including a greenhouse 1, an integrated base bed furrow module 2, precast soil 3, a drip irrigation system 4, a temperature control system 5, and a control room 6 located on the right side of the greenhouse 1; In this embodiment, the greenhouse 1 has three walls, which can effectively keep the temperature warm and insulate the heat. By setting up the integrated base bed furrow module 2, the furrows 21 are filled with precast soil 3, breaking through the limitation that the traditional greenhouse 1 is usually set in the field ridge, which is conducive to the flexibility of the construction site selection of the greenhouse 1 and makes it easier for scientific experiments. In addition, this setting can not only realize the control of soil composition according to the experimental target, but also facilitate the uniformity of soil fertility: before the crop experiment, suitable soil and fertilizer can be selected according to the experimental target and mixed to make precast soil 3, and then the precast soil 3 is filled into the furrows 21, thereby reducing the deviation of experimental results caused by the difference in soil fertility during the experimental process, which is conducive to the practicality and scientific rationality of this utility model; Furthermore, its integrated design makes it easy to control the strict consistency of each furrow 21, thereby reducing experimental variables and improving the accuracy of experimental results;

[0028] The base bed ridge module 2 comprises 2-8 parallel equal-length ridges 21 filled with prefabricated soil 3, ridges 22 arranged between the ridges 21, and ridge beams 23 arranged on both sides of the base bed ridge module 2 and higher than the ridges 22, wherein opposite surfaces of the ridge beams 23 are provided with a storage guide groove 24 penetrating the length direction of the ridge beam 23, and the inner wall of the storage guide groove 24 forms an arc-shaped reflecting surface 25 with a heat-reflecting coating; the number of the ridges 21 is set to 2-8 because at least 2 ridges 21 can ensure that there is a control group in the scientific test, and at most 8 ridges 21 can meet the scientific test requirements of ordinary crop drought identification, and if the number of the ridges 21 is too large, the internal space of the greenhouse 1 will be increased, thereby increasing the burden of controlling variables and being not conducive to scientific tests; the length direction of the storage guide groove 24 is provided with a halogen tube 51, and one halogen tube 51 is arranged in each storage guide groove 24 and connected in series, and the length of the halogen tube 51 is consistent with the length of the storage guide groove 24; the number of the storage guide groove 24 and the corresponding halogen tube 51 arranged therein can be set according to the actual test situation; the storage guide groove 24 plays a placing and protecting role for the halogen tube 51, prevents the halogen tube 51 from being damaged during work, and is conducive to the practicability of the utility model; the arc-shaped reflecting surface 25 formed on the inner wall of the storage guide groove 24 can reflect part of the heat emitted by the halogen tube 51 back to the ridge 21 area; when the temperature control system 5 is running, the halogen tube 51 generates heat, the arc-shaped reflecting surface 25 can concentrate and guide the heat to the vicinity of the ridge 21, improve the heat utilization efficiency, reduce the invalid loss of heat to other areas of the greenhouse 1, and can effectively reflect the heat, reduce the working time or power requirement of the halogen tube 51 in the temperature control system 5, thereby reducing the energy consumption of the entire temperature control system 5, and being conducive to the scientific rationality of the utility model.

[0029] The drip irrigation system 4 comprises a water distributor 41 arranged at the rear side of the control room 6, wherein the water inlet 42 of the water distributor 41 is connected to one end of the main pipe, the water outlet 43 of the water distributor 41 is connected to one end of each branch pipe 44, the electric regulating valve 45 and the water flow sensor 46 are sequentially arranged at the branch pipe 44 close to the water outlet 43, the water flow sensor 46 is connected to the middle interface of the three-way joint 47, the two side interfaces of the three-way joint 47 are respectively connected to the drip irrigation pipes 48 of the same specification, and each drip irrigation pipe 48 is symmetrically laid along both sides of each ridge 21; the reasonable distribution of the water distributor 41 can ensure that the water flow distribution of each branch pipe 44 is relatively balanced; the two side interfaces of the three-way joint 47 are respectively connected to the drip irrigation pipes 48 of the same specification, and each drip irrigation pipe 48 is symmetrically laid along both sides of each ridge 21; the arrangement can ensure the irrigation effect and uniformity, and is conducive to the unified control of variables.

[0030] The temperature control system 5 comprises two groups of halogen tubes 51 arranged on the length direction of the storage guide groove 24, electrically operated ventilation windows 52 arranged on the two side walls of the greenhouse 1 in correspondence with each other, and temperature sensors 53 hung on the steel frame in the greenhouse 1, wherein the halogen tubes 51 are used as the temperature raising components of the utility model, which have the advantages of fast temperature raising, stable heating, moderate cost and suitability for being used as the temperature raising components in the drought identification greenhouse; the electrically operated ventilation windows 52 are arranged on the two side walls of the greenhouse 1 in correspondence with each other, which can promote air convection, make air flow uniformly, avoid uneven temperature difference, increase ventilation area, accelerate air exchange, rapidly dissipate heat and enhance the cooling effect.

[0031] The drip irrigation system 4 further comprises a soil moisture sensor 49, a probe of the soil moisture sensor 49 being inserted into the prefabricated soil 3 filled in the ridge furrow 21 and being located at an end far away from the tee joint 47; the soil moisture sensor 49 can monitor the water content of the prefabricated soil 3 in the ridge furrow 21 in real time, convert the soil humidity information into an electric signal and provide soil moisture data for the environmental data acquisition and intelligent analysis feedback system, so that the system can control the drip irrigation system 4 through the integrated intelligent controller 9 according to the actual soil humidity condition and realize precise irrigation; in the drought identification of the test field, the end of the ridge furrow 21 is often a relatively weak area of water conduction, and the soil moisture sensor 49 located at the end far away from the tee joint 47 can more comprehensively and truly reflect the overall irrigation effect and provide a reliable basis for judging the overall soil wetting degree and uniformity.

[0032] The control room 6 further comprises a power supply 7 and an environmental data acquisition and intelligent analysis feedback system, wherein the environmental data acquisition and intelligent analysis feedback system comprises a data collector 8 and an integrated intelligent controller 9; the data collector 8 collects data of the temperature sensor 53, the soil moisture sensor 49 and the water flow sensor 46, the integrated intelligent controller 9 analyzes and processes the collected data, precisely controls the electrically operated regulating valve 45, the halogen tube 51 and the electrically operated ventilation window 52 according to preset parameters, and realizes intelligent regulation and control of the environment of the greenhouse 1.

[0033] The right side wall of the greenhouse 1 is inlaid with a line concentrator 112, signal lines of the temperature sensor 53, the soil moisture sensor 49 and the water flow sensor 46 and signal control lines of the electrically operated regulating valve 45 all pass through the line concentrator 112 and are connected with an input end of the data collector 8, and an output end of the data collector 8 is connected with the integrated intelligent controller 9; the line concentrator 112 is arranged to centrally manage the signal lines and the power supply 7 lines, so as to ensure stable and orderly signal transmission and power supply of the whole system.

[0034] The first relay 54 and the second relay 55 are arranged in the hub 112, the power supply line of the halogen tube 51 is electrically connected to the power supply 7 through the first relay 54, and the power supply line of the electrically operated ventilation window 52 is electrically connected to the power supply 7 through the second relay 55; the first relay 54 and the second relay 55 are electrically connected with the integrated intelligent controller 9; the first relay 54 and the second relay 55 play the roles of circuit control and signal conversion, the first relay 54 controls the power supply line of the halogen tube 51, realizes the on-off control of the halogen tube 51 according to the instruction of the integrated intelligent controller 9, and further adjusts the temperature of the greenhouse 1; and the second relay 55 is responsible for the on-off of the power supply line of the electrically operated ventilation window 52, controls the opening and closing of the electrically operated ventilation window 52 according to the signal of the controller, and adjusts the air circulation and temperature in the greenhouse 1.

[0035] The base bed ridge furrow module 2 is made of concrete or metal material; the base bed ridge furrow module 2 is provided with end faces integrally formed on both sides in the length direction, and a through hole 26 corresponding to the position of the end face of the water flow sensor 46 is formed in the end face close to the branch pipe 44; the base bed ridge furrow module 2 is made of concrete or metal material, which is beneficial to guarantee the structural stability, and the material is easy to obtain and durable; the base bed ridge furrow module 2 is provided with end faces integrally formed on both sides in the length direction, which limits the boundary and can maintain the stability of the soil in the ridge furrow 21 and the whole module; the through hole 26 is convenient for installing the water flow sensor 46 and ensures smooth water flow.

[0036] The ridge furrow 21 of the base bed ridge furrow module 2 is 4 or 6, which is beneficial to set up multiple groups of comparison and meet the comparison requirements under different conditions, and on the other hand, reasonably utilizes the space of the greenhouse 1 to avoid difficulty in controlling variables due to too large space, for example, the temperature non-uniformity near the ridge furrow 21 is enhanced due to too large space, which leads to an increase in variables.

[0037] The number of temperature sensors 53 is four, which are uniformly distributed in the interior of the greenhouse 1; the four sensors are uniformly distributed, and multi-point monitoring can reduce the interference of local temperature abnormalities on the overall judgment, and more representative and accurate temperature values of the greenhouse 1 can be obtained through comprehensive analysis of the data, which provides a reliable basis for the adjustment of the temperature control system 5.

[0038] The greenhouse 1 comprises a greenhouse door 11, and the control room 6 comprises a control room door 61; the greenhouse door 11 and the control room door 61 are both arranged at the end away from the water distributor 41; as shown in Figure 7 the greenhouse door 11 is in an open state, and the base bed ridge furrow module 2 in the interior can be observed; the greenhouse door 11 and the control room door 61 are both arranged at the end away from the water distributor 41, which can reduce the interference and possible collision of personnel on the water distributor 41, reduces the risk of damage of the water distributor 41 due to human factors, and is beneficial to the rationality of the utility model.

[0039] Specific working principle: before the crop drought identification test, first according to the test target, the appropriate soil, fertilizer is mixed uniformly as prefabricated soil 3, again prefabricated soil 3 is filled into the ridge ditch 21, the main pipe is connected with the water source far away from the water inlet 42 end, the water source enters the water distributor 41 through the main pipe from the water inlet 42, then the water flow can enter each branch pipe 44 through the water outlet 43, the water flow in each branch pipe 44 flows through the electric regulating valve 45, the water flow sensor 46, the tee joint 47 to the drip irrigation pipe 48 in turn, realizes the drip irrigation function, in the process of crop growth, the data collector 8 collects the temperature sensor 53, the soil moisture sensor 49, the water flow sensor 46 data, the integrated intelligent controller 9 carries out analysis and processing based on the collected data and makes corresponding control, for example, the integrated intelligent controller 9 reads the water content parameter of prefabricated soil 3 through the data transmitted by the soil moisture sensor 49, reads the water flow parameter through the data transmitted by the water flow sensor 46, judges the next water supply according to the water content preset value of prefabricated soil 3, then adjusts the opening and closing size of the electric regulating valve 45 to control the drip irrigation water quantity; the integrated intelligent controller 9 reads the temperature parameter in the greenhouse 1 through the data transmitted by the temperature sensor 53, according to the temperature preset value in the greenhouse 1, if it needs to be heated, the integrated intelligent controller 9 controls the first relay 54 to close the circuit to make the halogen tube 51 work for heating in the greenhouse 1, if it needs to be cooled, the integrated intelligent controller 9 controls the second relay 55 to open the circuit to make the electric ventilation window 52 open for cooling in the greenhouse 1, above, the integrated intelligent controller 9 controls and adjusts the electric regulating valve 45, the halogen tube 51 and the electric ventilation window 52 by analyzing the sensor parameters, achieves the intelligent control of the greenhouse 1 environment, realizes the condition control of the drought identification shed.

Claims

1. A system for controlling the conditions of a dry identification greenhouse, comprising a greenhouse (1), characterized in that: The application relates to a greenhouse (1) which comprises a base and ridge ditch module (2), prefabricated soil (3), a drip irrigation system (4), a temperature control system (5) and a control room (6) located at the right side of the greenhouse (1). The base and ridge ditch module (2) comprises 2-8 parallel and equal-length ridge ditches (21), the ridge ditches (21) are filled with the prefabricated soil (3), ridge platforms (22) are arranged between the ridge ditches (21), ridge beams (23) higher than the ridge platforms (22) are arranged at the two sides of the base and ridge ditch module (2), a placing guide groove (24) penetrating through the length direction of the ridge beam (23) is arranged on the opposite surfaces of the ridge beam (23), and an arc-shaped reflecting surface (25) with a heat reflecting coating is formed on the inner wall of the placing guide groove (24). The drip irrigation system (4) comprises a water distributor (41) arranged at the back side of the control room (6), the water inlet (42) of the water distributor (41) is connected with one end of a main pipe, the water distributor outlets (43) are respectively connected with one end of each branch pipe (44), the electric regulating valve (45) and the water flow sensor (46) are sequentially arranged at the position close to the water distributor outlet (43) of each branch pipe (44), the water flow sensor (46) is connected with the middle interface of a three-way joint (47) at the position far away from the branch pipe (44), the two side interfaces of the three-way joint (47) are respectively connected with drip irrigation pipes (48) of the same specification, and each drip irrigation pipe (48) is symmetrically arranged along the two sides of each ridge ditch (21). The temperature control system (5) comprises two groups of halogen tubes (51) arranged in the length direction of the placing guide groove (24), electric ventilation windows (52) arranged on the walls at the two sides of the greenhouse (1) and corresponding to each other, and a temperature sensor (53) hung on a steel frame in the greenhouse (1).

2. A drought discriminating shelter condition control system according to claim 1, wherein: The drip irrigation system (4) further comprises a soil moisture sensor (49), the probe of the soil moisture sensor (49) is inserted into the prefabricated soil (3) filled in the ridge ditch (21), and is located at the position far away from the three-way joint (47).

3. A drought discriminating shelter condition control system according to claim 2, wherein: The control room (6) is further provided with a power supply (7) and an environmental data acquisition and intelligent analysis feedback system, wherein the environmental data acquisition and intelligent analysis feedback system comprises a data collector (8) and an integrated intelligent controller (9).

4. A drought discriminating shelter condition control system according to claim 3, wherein: The signal lines of the temperature sensor (53), the soil moisture sensor (49) and the water flow sensor (46) and the signal control lines of the electric regulating valve (45) all pass through the junction box (112) and are connected with the input end of the data collector (8), and the output end of the data collector (8) is connected with the integrated intelligent controller (9).

5. A drought discriminating shelter condition control system according to claim 4, wherein: The first relay (54) and the second relay (55) are arranged in the junction box (112), the power supply lines of the halogen tubes (51) are electrically connected to the power supply (7) through the first relay (54), the power supply lines of the electric ventilation windows (52) are electrically connected to the power supply (7) through the second relay (55), and the first relay (54) and the second relay (55) are electrically connected with the integrated intelligent controller (9).

6. A drought discriminating shelter condition control system according to claim 5, wherein: The length direction of the base and ridge ditch module (2) is provided with end faces which are integrally formed with the base and ridge ditch module (2), and a through hole (26) corresponding to the position of the end face of the water flow sensor (46) is arranged on the end face close to the branch pipe (44).

7. A system for controlling conditions in a drought discriminating shelter according to claim 1, characterized in that: The furrows (21) of the base bed furrow module (2) are 4 or 6.

8. A drought discriminating shelter condition control system according to claim 1, wherein: The temperature sensor (53) is four in number and is uniformly distributed in the interior of the greenhouse (1).

9. A system for controlling conditions in a drought discriminating shelter according to claim 1, characterized in that: The greenhouse (1) comprises a greenhouse door (11), and the control room (6) comprises a control room door (61); the greenhouse door (11) and the control room door (61) are both arranged at the end away from the water distributor (41).

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