Field irrigation teaching and practical training device

Abstract

The utility model discloses a field irrigation teaching training device. According to the technical scheme, the irrigation device comprises a tray, a frame arranged on the tray, a water storage tank arranged on the tray, a field irrigation device arranged on the frame and side plates arranged on the two sides of the frame, and the water storage tank comprises a water collecting tank and a waste water tank. The field irrigation device comprises an open ceiling mechanism arranged on the top, an electric transparent waterproof roller shutter arranged on the back face, a transparent double door arranged on the front face, a movable sprinkling irrigation device, an upper layer irrigation area, a middle layer irrigation area and a lower layer irrigation area, wherein the movable sprinkling irrigation device, the upper layer irrigation area, the middle layer irrigation area and the lower layer irrigation area are sequentially arranged below the open ceiling mechanism. The upper-layer irrigation area, the middle-layer irrigation area and the lower-layer irrigation area are of a drawable structure, an upper-layer irrigation pipeline is arranged on one side of the upper-layer irrigation area, an upper-layer light supplementing lamp is arranged on the other side of the upper-layer irrigation area, a middle-layer irrigation pipeline is arranged on one side of the middle-layer irrigation area, and a middle-layer light supplementing lamp is arranged on the other side of the middle-layer irrigation area. A lower-layer irrigation pipeline is arranged on one side of the lower-layer irrigation area, and a lower-layer light supplementing lamp is arranged on the other side; a submersible pump and a floating ball liquid level switch are arranged in the water collecting tank, the submersible pump is controlled to be started and stopped through the floating ball liquid level switch, and the submersible pump is connected with the upper-layer irrigation pipeline, the middle-layer irrigation pipeline and the lower-layer irrigation pipeline through pipelines.

Description

Technical Field

[0001] The utility model belongs to the field of teaching equipment, and specifically relates to a field irrigation teaching and training device. Background Art

[0002] With the rapid development of agriculture and the national economy and the gradual implementation of water quotas in river basins, the contradiction between water supply and demand in irrigation areas will become increasingly prominent. In order to promote the coordinated development of the economy, society, population, resources, and environment and implement a sustainable development strategy, the sustainable use of water resources is a strategic issue for economic and social development. The core is to improve water use efficiency and put water conservation in a prominent position. In recent years, although great progress has been made in agricultural water conservation in irrigation areas, there are still problems such as weak water conservation awareness, extensive management, imperfect systems, and inadequate policies, and a sound development mechanism has not yet been established. To this end, it is necessary to accelerate the establishment and development of a water-saving agricultural model so that the agricultural water-saving cause in irrigation areas can be fully developed. This will have important strategic and practical significance for adjusting the agricultural structure, increasing employee income, improving production and the ecological environment, accelerating agricultural modernization, and promoting the rapid and healthy development of agriculture and the national economy.

[0003] According to the survey, the teaching of mobile sprinkler irrigation is a blank in the school's teaching practice, which is mainly reflected in the fact that the school does not have relevant equipment. School teaching still mainly remains in the fixed irrigation method, mainly because mobile sprinkler irrigation is not easy to use in schools. The mobile sprinkler irrigation in industrial sites is too large, the establishment cost is too high, it is easy to rust, the service life is short, and it requires more manpower and material resources for maintenance. The cost is too high, and it is difficult to carry out comprehensive teaching. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a field irrigation teaching and training device.

[0005] In order to solve the above problems, the technical solution adopted by the utility model includes: a tray, a frame arranged on the tray, a water storage tank arranged on the tray, a field irrigation device arranged on the frame and side panels arranged on both sides of the frame, characterized in that: the water storage tank includes a water collection tank and a waste water tank, the field irrigation device includes an open roof mechanism arranged on the top, an electric transparent waterproof roller curtain arranged on the back, a transparent double-opening door arranged on the front, and a mobile sprinkler device, an upper irrigation area, a middle irrigation area and a lower irrigation area arranged below the open roof mechanism in sequence;

[0006] The upper irrigation area, the middle irrigation area and the lower irrigation area are retractable structures, and the upper irrigation area is provided with an upper irrigation pipeline on one side and an upper fill light on the other side, the middle irrigation area is provided with a middle irrigation pipeline on one side and a middle fill light on the other side, and the lower irrigation area is provided with a lower irrigation pipeline on one side and a lower fill light on the other side;

[0007] A submersible pump and a float level switch are installed inside the water collecting tank. The start and stop of the submersible pump are controlled by the float level switch, and the submersible pump is connected to the upper irrigation pipeline, the middle irrigation pipeline, and the lower irrigation pipeline through pipelines.

[0008] The field irrigation teaching and training device is characterized in that: the upper irrigation pipeline is connected in sequence to the upper irrigation area branch solenoid valve, the upper irrigation area branch stainless steel pressure reducing valve, the digital remote pressure gauge, the combined intake and exhaust valve, and the manual valve; the middle irrigation pipeline is connected in sequence to the middle irrigation area branch solenoid valve, the middle irrigation area branch stainless steel pressure reducing valve, the digital remote pressure gauge, the combined intake and exhaust valve, and the manual valve; the lower irrigation pipeline is connected in sequence to the lower irrigation area branch solenoid valve, the lower irrigation area branch stainless steel pressure reducing valve, the digital remote pressure gauge, the combined intake and exhaust valve, and the manual valve.

[0009] The field irrigation teaching and training device is characterized in that the open roof mechanism includes revolving doors hinged on both sides of the top of the frame, an electric push rod for pushing the revolving doors to open or close, a transparent film arranged between the revolving doors, and an exhaust fan arranged on one side of the transparent film.

[0010] The field irrigation teaching and training device is characterized in that the mobile sprinkler device includes a sprinkler nozzle and a ball screw slide that drives the sprinkler nozzle to move, and the ball screw slide is provided with a moving probe and a limit sensor.

[0011] The field irrigation teaching and training device is characterized in that: the upper irrigation area discharges water to the middle irrigation area through the two-way drain valve at the bottom, the middle irrigation area discharges water to the lower irrigation area through the two-way drain valve at the bottom, and the lower irrigation area discharges water to the wastewater tank or the water collecting tank through the three-way drain valve at the bottom, and the wastewater tank and the water collecting tank are both provided with drainage outlets at the bottom.

[0012] The field irrigation teaching and training device is characterized in that: the ball screw slide includes relatively arranged brackets, two linear guides arranged on both sides of the bracket, a screw arranged in the middle of the bracket, a motor for driving the screw to rotate, a ball nut arranged on the screw, and a slider arranged on the linear guide, the slider and the ball nut are connected by a synchronous block, the two linear guides are each provided with a bottom plate at the bottom, the sprinkler head is installed at the bottom of the ball nut, circular telescopic protective sleeves are provided at both ends of the screw, square telescopic protective sleeves are provided on both sides of the slider, one end of the circular telescopic protective sleeve is connected to the ball nut, and the other end is connected to the bracket, and one end of the square telescopic protective sleeve is connected to the slider, and the other end is connected to the bracket.

[0013] The field irrigation teaching and training device is characterized in that: mounting flanges are provided at both ends of the circular telescopic protective sleeve, and a bayonet is provided at the bottom of the square telescopic protective sleeve, through which the linear guide rail is inserted and fits onto the bottom plate.

[0014] The field irrigation teaching and training device is characterized in that the sprinkler head includes a valve body, a needle nozzle arranged at the lower end of the valve body and a mounting plate arranged at the upper end of the valve body, and the mounting plate is provided with a mounting hole.

[0015] The field irrigation teaching and training device is characterized in that: the upper irrigation pipeline is provided with a group of sprinkler irrigation roads extending into the upper irrigation area, the middle irrigation pipeline is provided with a group of drip irrigation roads extending into the middle irrigation area, and the lower irrigation pipeline is provided with a group of infiltration irrigation roads extending into the lower irrigation area.

[0016] The field irrigation teaching and training device is characterized in that the upper irrigation area, the middle irrigation area, and the lower irrigation area all include drawers, drawer rails arranged on both sides of the drawers, and handles arranged at the front end of the drawers. The bottom of the drawer is provided with a water collecting groove and a reinforcing rib, and the reinforcing rib is provided with a water hole.

[0017] The advantages of the field irrigation teaching and training device of the utility model are as follows: 1. By utilizing the irrigation pipeline mode that can be arranged arbitrarily and the open operation mode, it is possible to complete the training operations such as single-machine debugging and overall linkage training, the installation and connection of irrigation pipelines and equipment, pressure test operation, and hazard warning and troubleshooting; 2. The mobile sprinkler irrigation is designed as a small-scale overall device and waterproof protection is designed, which well solves the problem of the disconnection between theoretical teaching and engineering practice, and also solves the problem of large space occupied by the school training room, the problem of rust and non-waterproofness, and the problem of high maintenance cost, which is more conducive to students' hands-on and convenient for teaching.

[0018] The utility model is further described below in conjunction with the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front structural schematic diagram of the utility model field irrigation teaching and training device;

[0020] Figure 2 It is a schematic diagram of the back structure of the field irrigation teaching and training device of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the upper irrigation area or the lower irrigation area of ​​the utility model;

[0022] Figure 4 It is a structural schematic diagram of the irrigation pipeline of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the open ceiling mechanism of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the utility model water storage tank;

[0025] Figure 7 It is a structural schematic diagram of the mobile sprinkler irrigation device of the utility model;

[0026] Figure 8 It is a cross-sectional view of the mobile sprinkler irrigation device of the utility model;

[0027] Fig. 9 It is a structural schematic diagram of the ball screw slide of the utility model;

[0028] Fig.10 It is a structural schematic diagram of the sprinkler nozzle of the utility model;

[0029] Fig.11 It is a structural schematic diagram of a square telescopic protective sleeve of the utility model. DETAILED DESCRIPTION

[0030] Reference Figure 1-11 As shown, the field irrigation teaching and training device of the utility model comprises a tray 1, a frame 2 arranged on the tray 1, a water storage tank arranged on the tray 1, a field irrigation device arranged on the frame 2, and side panels 3 arranged on both sides of the frame 2. The water storage tank comprises an integrally formed water collection tank 4 and a waste water tank 5. The field irrigation device comprises an open roof mechanism arranged on the top of the frame 2, an electric transparent waterproof roller curtain 6 arranged on the back of the frame 2, a transparent double-opening door 7 arranged on the front of the frame 2, and a mobile sprinkler device 8, an upper irrigation area 9, a middle irrigation area 10, and a lower irrigation area 11 arranged successively below the open roof mechanism.

[0031] The upper irrigation area 9, the middle irrigation area 10 and the lower irrigation area 11 are retractable structures to facilitate the pulling and fixing of the irrigation area mechanism and to facilitate the installation of water-absorbing sponges or foam cotton inside the irrigation area or the laying of lawns and other related plants on the upper surface. The upper irrigation area 9 is provided with an upper irrigation pipeline 12 on one side and an upper fill light 13 on the other side. The middle irrigation area 10 is provided with a middle irrigation pipeline 14 on one side and a middle fill light 15 on the other side. The lower irrigation area 11 is provided with a lower irrigation pipeline 16 on one side and a lower fill light 17 on the other side. The upper irrigation pipeline 12, the middle irrigation pipeline 14 and the lower irrigation pipeline 16 are connected by a main pipeline 65. The water collecting tank 4 is equipped with a submersible pump 18 and a float liquid level switch 19, and the start and stop of the submersible pump 18 is controlled by the float liquid level switch 19, and the submersible pump 18 is respectively connected to the main pipes 65 on the upper irrigation pipe 12, the middle irrigation pipe 14, and the lower irrigation pipe 16 through pipes 20. In addition to the water source provided by the water collecting tank 4, the water storage tank can also be combined with other pump station systems through an external water inlet interface to complete the water supply system.

[0032] Preferably, the upper irrigation pipeline 12 is sequentially connected with the upper irrigation area branch electromagnetic valve 21, the upper irrigation area branch stainless steel pressure reducing valve 22, the digital remote pressure gauge 23, the combined intake and exhaust valve 24, and the manual valve 25; the middle irrigation pipeline 14 is sequentially connected with the middle irrigation area branch electromagnetic valve 26, the middle irrigation area branch stainless steel pressure reducing valve 27, the digital remote pressure gauge 23, the combined intake and exhaust valve 24, and the manual valve 25; the lower irrigation pipeline 16 is sequentially connected with the lower irrigation area branch electromagnetic valve 28, the lower irrigation area branch stainless steel pressure reducing valve 29, the digital remote pressure gauge 23, the combined intake and exhaust valve 24, and the manual valve 25. To achieve control and pressure monitoring of each pipeline. The upper irrigation pipeline 12 is provided with a group of sprinkler irrigation roads 56 extending into the upper irrigation area 9, the middle irrigation pipeline 14 is provided with a group of drip irrigation roads 57 extending into the middle irrigation area 10, and the lower irrigation pipeline 16 is provided with a group of infiltration irrigation roads 58 extending into the lower irrigation area 11. The sprinkler irrigation roads 56 include but are not limited to ground-inserted sprinkler irrigation, inverted sprinkler irrigation, fixed rotary sprinkler irrigation, mobile sprinkler irrigation and other structures, and the drip irrigation roads 57 include but are not limited to drip irrigation belts, drip arrows, drip irrigation heads and other methods. In order to realize the practical training of the three systems of sprinkler irrigation system, drip irrigation system and infiltration irrigation system.

[0033] Preferably, the open roof mechanism includes a revolving door 30 hinged on both sides of the top of the frame 2, an electric push rod 31 for pushing the revolving door 30 to open or close, a transparent film 32 disposed between the revolving doors 30, and an exhaust fan 33 disposed on one side of the transparent film 32. The opening and closing of the open roof mechanism is realized, thereby facilitating field irrigation experiments.

[0034] Preferably, the mobile sprinkler device 8 comprises a sprinkler nozzle 34 and a ball screw slide 35 for driving the sprinkler nozzle 34 to move, and the ball screw slide 35 is provided with a moving probe 36 and a limit sensor 66. The above structure can automatically perform mobile sprinkler irrigation.

[0035] Preferably, the upper irrigation area 9 discharges water to the middle irrigation area 10 through the two-way drainage valve 37 at the bottom, the middle irrigation area 10 discharges water to the lower irrigation area 11 through the two-way drainage valve 37 at the bottom, and the lower irrigation area 11 discharges water to the wastewater tank 5 or the water collection tank 4 through the three-way drainage valve 38 at the bottom, and the wastewater tank 5 and the water collection tank 4 are both provided with drainage ports 39 at the bottom, so as to realize the irrigation water circulation among the upper irrigation area 9, the middle irrigation area 10, the lower irrigation area 11, the wastewater tank 54 and the water collection tank 4.

[0036] Preferably, the ball screw slide 35 includes a bracket 40 arranged opposite to each other, two linear guides 41 arranged on both sides of the bracket 40, a screw rod 42 arranged in the middle of the bracket 40, a motor 43 for driving the screw rod 42 to rotate, a ball nut 44 arranged on the screw rod 42, and a slider 45 arranged on the linear guide rail 41, the slider 45 and the ball nut 44 are connected by a synchronization block 46, the two linear guides 41 are each provided with a bottom plate 47 at the bottom, the sprinkler head 34 is installed at the bottom of the ball nut 44, circular telescopic protective sleeves 48 are provided at both ends of the screw rod 42, square telescopic protective sleeves 49 are provided on both sides of the slider 45, one end of the circular telescopic protective sleeve 48 is connected to the ball nut 44, and the other end is connected to the bracket 40, and one end of the square telescopic protective sleeve 49 is connected to the slider 45, and the other end is connected to the bracket 40. The circular telescopic protective cover and the square telescopic protective cover are made of a thinner waterproof material (such as rubber) and are folded to form a folding structure similar to an accordion. One end of the circular telescopic protective cover is connected to the ball nut and the other end is connected to the bracket. One end of the square telescopic protective cover is connected to the slider and the other end is connected to the bracket. Through the above structure, the mobile sprinkler device 8 is designed as a small overall device and waterproof protection is performed, which well solves the problem of theoretical teaching being out of touch with engineering practice, and also solves the problem of large space occupied by the school training room, the problem of rust and non-waterproofness, and the problem of high maintenance cost, which is more conducive to students' hands-on and convenient for teaching.

[0037] Preferably, mounting flanges 50 are provided at both ends of the circular telescopic protective sleeve 48, and are connected to the ball nut and the bracket through the mounting flanges 50. A bayonet 51 is provided at the bottom of the square telescopic protective sleeve 49, and is inserted into the linear guide rail 41 through the bayonet 51 and fits the bottom plate 47. Through the above structure, the connection also plays a sealing role while facilitating installation.

[0038] Preferably, the sprinkler nozzle 34 includes a valve body 52, a needle nozzle 53 provided at the lower end of the valve body 52, and a mounting plate 54 provided at the upper end of the valve body 52, and the mounting plate 54 is provided with a mounting hole 55. The mounting plate 54 facilitates the installation of the sprinkler nozzle 34 on the ball nut.

[0039] Preferably, the upper irrigation area 9, the middle irrigation area 10, and the lower irrigation area 11 all include a drawer 59, drawer rails 60 provided on both sides of the drawer 59, and a handle 61 provided at the front end of the drawer 59. The bottom of the drawer 59 is provided with a water collection groove 62 and a reinforcing rib 63, and the reinforcing rib 63 is provided with a water hole 64. Through the above structure, the pulling and drawing of the irrigation area mechanism is facilitated, and the irrigation water is better discharged through the two-way drain valve or the three-way drain valve by using the water collection groove 62, and the strength of the drawer 59 can be improved by using the reinforcing rib 63.

[0040] The above does not impose any form of limitation on the present invention. Although the present invention has been disclosed as a preferred implementation case as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to the equivalent implementation cases of equivalent changes by using the structure and technical content disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above implementation cases based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A field irrigation teaching and training device, comprising a tray (1), a frame (2) arranged on the tray (1), a water storage tank arranged on the tray (1), a field irrigation device arranged on the frame (2), and side panels (3) arranged on both sides of the frame (2), characterized in that: The water storage tank comprises a water collection tank (4) and a waste water tank (5), and the field irrigation device comprises an open roof mechanism arranged on the top, an electric transparent waterproof roller curtain (6) arranged on the back, a transparent double-opening door (7) arranged on the front, and a mobile sprinkler irrigation device (8), an upper irrigation area (9), a middle irrigation area (10), and a lower irrigation area (11) arranged in sequence below the open roof mechanism; The upper irrigation area (9), the middle irrigation area (10) and the lower irrigation area (11) are retractable structures, and the upper irrigation area (9) is provided with an upper irrigation pipeline (12) on one side and an upper fill light (13) on the other side, the middle irrigation area (10) is provided with a middle irrigation pipeline (14) on one side and a middle fill light (15) on the other side, and the lower irrigation area (11) is provided with a lower irrigation pipeline (16) on one side and a lower fill light (17) on the other side; A submersible pump (18) and a float liquid level switch (19) are installed inside the water collecting tank (4), and the start and stop of the submersible pump (18) are controlled by the float liquid level switch (19). The submersible pump (18) is connected to the upper irrigation pipeline (12), the middle irrigation pipeline (14), and the lower irrigation pipeline (16) respectively through pipelines (20).

2. The field irrigation teaching and training device according to claim 1, characterized in that: The upper irrigation pipeline (12) is connected in sequence to an upper irrigation area branch electromagnetic valve (21), an upper irrigation area branch stainless steel pressure reducing valve (22), a digital remote pressure gauge (23), a combined air intake and exhaust valve (24), and a manual valve (25); the middle irrigation pipeline (14) is connected in sequence to a middle irrigation area branch electromagnetic valve (26), a middle irrigation area branch stainless steel pressure reducing valve (27), a digital remote pressure gauge (23), a combined air intake and exhaust valve (24), and a manual valve (25); and the lower irrigation pipeline (16) is connected in sequence to a lower irrigation area branch electromagnetic valve (28), a lower irrigation area branch stainless steel pressure reducing valve (29), a digital remote pressure gauge (23), a combined air intake and exhaust valve (24), and a manual valve (25).

3. The field irrigation teaching and training device according to claim 1, characterized in that: The open ceiling mechanism comprises revolving doors (30) hinged to both sides of the top of the frame (2), an electric push rod (31) for pushing the revolving doors (30) to open or close, a transparent film (32) arranged between the revolving doors (30), and an exhaust fan (33) arranged on one side of the transparent film (32).

4. The field irrigation teaching and training device according to claim 1, characterized in that: The mobile sprinkler device (8) comprises a sprinkler nozzle (34) and a ball screw slide (35) for driving the sprinkler nozzle (34) to move, and a movable probe (36) and a limit sensor (66) are provided on the ball screw slide (35).

5. The field irrigation teaching and training device according to claim 1, characterized in that: The upper irrigation area (9) discharges water to the middle irrigation area (10) through a two-way drainage valve (37) at the bottom, the middle irrigation area (10) discharges water to the lower irrigation area (11) through a two-way drainage valve (37) at the bottom, and the lower irrigation area (11) discharges water to the wastewater tank (5) or the water collecting tank (4) through a three-way drainage valve (38) at the bottom. The wastewater tank (5) and the water collecting tank (4) are both provided with drainage outlets (39) at the bottom.

6. The field irrigation teaching and training device according to claim 4, characterized in that: The ball screw slide (35) comprises a bracket (40) arranged opposite to each other, two linear guide rails (41) arranged on both sides of the bracket (40), a screw rod (42) arranged in the middle of the bracket (40), a motor (43) driving the screw rod (42) to rotate, a ball nut (44) arranged on the screw rod (42), and a slider (45) arranged on the linear guide rail (41), wherein the slider (45) and the ball nut (44) are connected via a synchronization block (46). The two linear guide rails (41) 41) are provided with a bottom plate (47) at the bottom, the sprinkler nozzle (34) is installed at the bottom of the ball nut (44), the two ends of the screw rod (42) are covered with circular telescopic protective sleeves (48), the two sides of the slider (45) are covered with square telescopic protective sleeves (49), one end of the circular telescopic protective sleeve (48) is connected to the ball nut (44), and the other end is connected to the bracket (40), and one end of the square telescopic protective sleeve (49) is connected to the slider (45), and the other end is connected to the bracket (40).

7. The field irrigation teaching and training device according to claim 6, characterized in that: The two ends of the circular telescopic protective sleeve (48) are provided with mounting flanges (50), and the bottom of the square telescopic protective sleeve (49) is provided with a bayonet (51) which is inserted into the linear guide rail (41) through the bayonet (51) and fits against the bottom plate (47).

8. The field irrigation teaching and training device according to claim 6, characterized in that: The sprinkler nozzle (34) comprises a valve body (52), a needle nozzle (53) arranged at the lower end of the valve body (52), and a mounting plate (54) arranged at the upper end of the valve body (52), wherein a mounting hole (55) is provided on the mounting plate (54).

9. The field irrigation teaching and training device according to claim 1, characterized in that: The upper irrigation pipeline (12) is provided with a group of sprinkler irrigation roads (56) extending into the upper irrigation area (9), the middle irrigation pipeline (14) is provided with a group of drip irrigation roads (57) extending into the middle irrigation area (10), and the lower irrigation pipeline (16) is provided with a group of infiltration irrigation roads (58) extending into the lower irrigation area (11).

10. The field irrigation teaching and training device according to claim 1, characterized in that: The upper irrigation area (9), the middle irrigation area (10), and the lower irrigation area (11) all include a drawer (59), drawer rails (60) provided on both sides of the drawer (59), and a handle (61) provided at the front end of the drawer (59); a water collection groove (62) and a reinforcing rib (63) are provided at the bottom of the drawer (59); and a water through hole (64) is provided on the reinforcing rib (63).

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