Wheat breeding drip irrigation device

Abstract

The utility model relates to the technical field of wheat breeding, in particular to a wheat breeding drip irrigation device which can automatically add fertilizer, simplify fertilizer adding operation and control the proportion of fertilizer and water and is good in practicability. Comprising a water tank, a drip irrigation pipe and a plurality of drip irrigation heads, the drip irrigation pipe is installed below the water tank, and the drip irrigation heads are installed on the drip irrigation pipe; the fertilizer box is installed on the water tank, a fertilizer storage cavity is formed in the fertilizer box, a fertilizer adding opening communicated with the fertilizer storage cavity is formed in the fertilizer box, the fertilizer feeding pipe is inserted into the top wall of the water tank in a lifting and sliding mode, and the upper end of the fertilizer feeding pipe extends into the fertilizer storage cavity of the fertilizer box; a fertilizer inlet hole and a fertilizer outlet hole are respectively formed in the upper part and the lower part of the side wall of the fertilizer feeding pipe, a buoy I is mounted at the lower end of the fertilizer feeding pipe, the fertilizer cage is mounted on the buoy I, the fertilizer outlet hole of the fertilizer feeding pipe is positioned in the fertilizer cage, and a locking part is arranged in the fertilizer box and is used for locking the fertilizer feeding pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheat breeding, in particular to a wheat breeding drip irrigation device. BACKGROUND

[0002] The wheat breeding drip irrigation device is an important equipment for wheat breeding, and the prior art discloses a wheat breeding drip irrigation device with the utility model discloses a kind of Chinese utility model patents with the publication number CN222193099U, the drip irrigation device includes: water storage tank, the water storage tank bottom end is equipped with liquid distribution tank, the liquid distribution tank is used to divide the drip irrigation liquid extracted from the water storage tank interior, to make the quantity of drip irrigation balanced, the filter piece is slidably connected on the side wall of the liquid distribution tank, the drip irrigation piece is installed on the bottom wall of the liquid distribution tank, the filter piece is configured to filter the impurities in the drip irrigation liquid when the liquid distribution tank fills the drip irrigation liquid to the drip irrigation piece, and the impurities are retained on the filter piece, then the filter frame can be pressed and detached, to facilitate replacement and cleaning of the filter frame, and the filter frame does not need to be replaced in time during long-term use.

[0003] However, the above-mentioned drip irrigation device does not set up a fertilizer adding mechanism, and can only manually add fertilizer to the water storage tank through the water adding tank when adding water, which is complicated and difficult to control the proportion of fertilizer and water, so it needs to be improved. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a wheat breeding drip irrigation device which can automatically add fertilizer, simplify the fertilizer adding operation, control the proportion of fertilizer and water and has good practicability.

[0005] The utility model discloses a wheat breeding drip irrigation device, including water tank, drip irrigation pipe and a plurality of drip irrigation head, the inside setting of water tank water storage chamber, the below of water tank installs drip irrigation pipe, installs a plurality of drip irrigation head on drip irrigation pipe, still include fertilizer tank, send fertilizer pipe, float no.

[0006] Preferably, it further comprises a water filling pipe and a valve, the water filling pipe is installed on the water tank, the lower end of the water filling pipe extends into the water storage chamber of the water tank, and the valve is installed at the lower end of the water filling pipe; the upper end of the water filling pipe is connected with an external water supply system, the valve is opened, the water supply system adds water into the water storage chamber of the water tank through the water filling pipe, and the structure is simple and practical.

[0007] Preferably, it further comprises a sliding seat, a contact switch, a sliding rod and a second float, the sliding seat is installed on the valve, a sliding hole is arranged on the sliding seat, the upper end face and the lower end face of the sliding seat are both provided with the contact switch, the sliding rod is slidably inserted into the sliding hole of the sliding seat, the upper limiting block and the lower limiting block are arranged on the sliding rod, the upper limiting block is located above the sliding seat, the lower limiting block is located below the sliding seat, the second float is installed on the lower part of the sliding rod, and the two contact switches are electrically connected with the valve; the second float floats in water, the second float rises and falls along with the liquid level in the water storage chamber of the water tank, when the water level is low, the sliding rod descends, the upper limiting block contacts the contact switch on the upper end face of the sliding seat, the contact switch opens the valve, and thus water is added into the water storage chamber of the water tank through the water filling pipe; when the water level reaches the setting, the lower limiting block contacts the contact switch on the lower end face of the sliding seat, the contact switch closes the valve, and thus the water filling pipe stops adding water, and the technology is mature and reliable.

[0008] Preferably, the locking component includes an electromagnetic pin and a pressure rod, the electromagnetic pin is installed at the bottom of the fertilizer storage chamber of the fertilizer tank, the pressure rod is installed on the piston rod of the electromagnetic pin, and the pressure rod is aligned with the upper end of the fertilizer feeding pipe; when the upper limit block of the sliding rod is in contact with the contact switch on the upper end surface of the sliding seat, the contact switch sends a signal to the electromagnetic pin, the piston rod of the electromagnetic pin retracts to make the pressure rod disengage from the fertilizer feeding pipe, so that the fertilizer feeding pipe is unlocked, at this time the float can follow the water level in the water storage chamber of the water tank, when the fertilizer cage is filled with fertilizer and sinks, the lower limit block of the sliding rod is in contact with the contact switch on the lower end surface of the sliding seat, the contact switch sends a signal to the electromagnetic pin, the piston rod of the electromagnetic pin extends to lock the pressure rod of the fertilizer feeding pipe, so that repeated fertilizer feeding is avoided when water is added once, and the accuracy of fertilizer feeding is improved.

[0009] Preferably, the water pump and the filter are further included, the water pump is installed below the water tank, the water outlet of the water pump is connected with the input end of the drip irrigation pipe, the water inlet of the water pump is installed with the filter, and the filter is located at the bottom of the water storage chamber of the water tank; the water pump operates to pump out the water in the water storage chamber of the water tank and drip irrigate the wheat breeding land through the drip irrigation pipe and the plurality of drip irrigation heads, and the filter is arranged to avoid impurities and undissolved fertilizer particles from blocking the drip irrigation pipe and the plurality of drip irrigation heads, thereby improving the reliability.

[0010] Preferably, the water pump and the filter are further included, the water pump is installed below the water tank, the water outlet of the water pump is connected with the input end of the drip irrigation pipe, the water inlet of the water pump is installed with the filter, and the filter is located at the bottom of the water storage chamber of the water tank; the water pump operates to pump out the water in the water storage chamber of the water tank and drip irrigate the wheat breeding land through the drip irrigation pipe and the plurality of drip irrigation heads, and the filter is arranged to avoid impurities and undissolved fertilizer particles from blocking the drip irrigation pipe and the plurality of drip irrigation heads, thereby improving the reliability.

[0011] Preferably, the water pump and the filter are further included, the water pump is installed below the water tank, the water outlet of the water pump is connected with the input end of the drip irrigation pipe, the water inlet of the water pump is installed with the filter, and the filter is located at the bottom of the water storage chamber of the water tank; the water pump operates to pump out the water in the water storage chamber of the water tank and drip irrigate the wheat breeding land through the drip irrigation pipe and the plurality of drip irrigation heads, and the filter is arranged to avoid impurities and undissolved fertilizer particles from blocking the drip irrigation pipe and the plurality of drip irrigation heads, thereby improving the reliability.

[0012] The utility model discloses the beneficial effect compared with prior art is: in the fertilizer box storage granular fertilizer, when the water level in the water storage chamber of water tank is very low, the fertilizer hole of sending fertilizer pipe is located below the top wall of water tank, when adding water to the water storage chamber of water tank and with float one contact, float one follows the liquid level of water and promotes sending fertilizer pipe and fertilizer cage to rise, when the fertilizer hole of sending fertilizer pipe extends into the fertilizer storage chamber of fertilizer box, granular fertilizer enters into sending fertilizer pipe through the fertilizer hole and inputs into fertilizer cage through the fertilizer outlet, along with the fertilizer granule in fertilizer cage more and more, the gravity of fertilizer cage is greater than the buoyancy of float one, and fertilizer cage sinks and soaks into water, so that the fertilizer hole of sending fertilizer pipe is below the top wall of water tank again, thereby stopping to add fertilizer to fertilizer cage, locking part locks sending fertilizer pipe, and the fertilizer granule in fertilizer cage dissolves into water, realizes automatic fertilizer adding to water tank, simplifies the fertilizer operation, and the proportion of fertilizer and water can be well controlled by controlling the amount of water each time, and the practicality is good. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the front cut structure schematic diagram of the utility model;

[0015] Figure 3 It is the isometric structural schematic diagram of the utility model;

[0016] Figure 4 It is the structural schematic diagram of water pipe, valve, slide, contact switch, slide rod and float two etc.

[0017] Figure 5 It is the structural schematic diagram of sending fertilizer pipe, float one, fertilizer cage and locking part etc.

[0018] Figure 6 It is the structural schematic diagram of sending fertilizer pipe, float one, fertilizer cage and locking part etc.

[0019] Figure 7 It is the structural schematic diagram of drip irrigation pipe, drip irrigation head, water pump, filter and three-way valve etc.

[0020] Mark in drawing: 1, water tank;2, drip irrigation pipe;3, drip irrigation head;4, fertilizer box;5, sending fertilizer pipe;6, float one;7, fertilizer cage;8, water pipe;9, valve;10, slide;11, contact switch;12, slide rod;13, float two;14, electromagnetic pin;15, pressure rod;16, water pump;17, filter;18, three-way valve;19, backwater pipe;20, spray head;21, water wheel pump;22, drive shaft;23, lever;24, swing part;25, cross bar. DETAILED DESCRIPTION

[0021] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Embodiment 1

[0022] As Figures 1 to 7 shown, a wheat breeding drip irrigation device, including water tank 1, drip irrigation pipe 2 and a plurality of drip irrigation head 3, the inside of water tank 1 is provided with water storage chamber, drip irrigation pipe 2 is installed below water tank 1, drip irrigation pipe 2 is installed on a plurality of drip irrigation head 3;It also includes fertilizer tank 4, fertilizer pipe 5, float one 6 and fertilizer cage 7, fertilizer tank 4 is installed on water tank 1, fertilizer tank 4 is provided with fertilizer storage chamber in the inside, fertilizer tank 4 is provided with fertilizer adding opening communicated with fertilizer storage chamber, fertilizer pipe 5 can be installed on the top wall of water tank 1, the upper end of fertilizer pipe 5 extends into the inside of fertilizer storage chamber of fertilizer tank 4, the upper part and the lower part of the side wall of fertilizer pipe 5 are provided with fertilizer inlet hole and fertilizer outlet hole respectively, the lower end of fertilizer pipe 5 is installed float one 6, fertilizer cage 7 is installed on float one 6, the fertilizer outlet hole of fertilizer pipe 5 is located in the inside of fertilizer cage 7, the inside of fertilizer tank 4 is provided with locking part, the locking part is used for locking fertilizer pipe 5;It also includes water adding pipe 8 and valve 9, water adding pipe 8 is installed on water tank 1, the lower end of water adding pipe 8 extends into the water storage chamber of water tank 1, the lower end of water adding pipe 8 is installed valve 9;It also includes slide 10, contact switch 11, slide rod 12 and float two 13, slide 10 is installed on valve 9, slide 10 is provided with slide hole, the upper end surface and the lower end surface of slide 10 are installed contact switch 11, slide rod 12 is installed in the slide hole of slide 10, slide rod 12 is provided with upper limit block and lower limit block, the upper limit block is located above slide 10, the lower limit block is located below slide 10, float two 13 is installed on the lower part of slide rod 12, two contact switches 11 are electrically connected with valve 9;The locking part includes electromagnetic pin 14 and pressure rod 15, electromagnetic pin 14 is installed at the bottom of fertilizer storage chamber of fertilizer tank 4, pressure rod 15 is installed on the piston rod of electromagnetic pin 14, pressure rod 15 is aligned with the upper end of fertilizer pipe 5.

[0023] The upper end of water adding pipe 8 is connected with external water supply system, float two 13 floats in water, float two 13 follows the liquid level in the water storage chamber of water tank 1, when the water level is low, slide rod 12 descends, the upper limit block contacts the contact switch 11 of the upper end surface of slide 10, so that the contact switch 11 opens valve 9, so as to add water to the water storage chamber of water tank 1 through water adding pipe 8;When the water level reaches the setting, the lower limit block contacts the contact switch 11 of the lower end surface of slide 10, so that the contact switch 11 closes valve 9, so as to stop water adding pipe 8 from adding water;

[0024] When the water level in the water storage chamber of the water tank 1 is low, the fertilizer feeding hole of the fertilizer feeding pipe 5 is below the top wall of the water tank 1, and the upper limit block of the sliding rod 12 contacts the contact switch 11 on the upper end surface of the sliding seat 10, the contact switch 11 sends a signal to the electromagnetic pin 14, the piston rod of the electromagnetic pin 14 retracts to make the pressure rod 15 disengage from the fertilizer feeding pipe 5, so that the fertilizer feeding pipe 5 is unlocked, at this time, the float 6 can follow the water level in the water storage chamber of the water tank 1 to rise, when the water is added to the water storage chamber of the water tank 1 to contact the float 6, the float 6 rises with the water surface to drive the fertilizer feeding pipe 5 and the fertilizer cage 7 to rise, when the fertilizer feeding hole of the fertilizer feeding pipe 5 extends into the fertilizer storage chamber of the fertilizer tank 4, the granular fertilizer enters the fertilizer feeding pipe 5 through the fertilizer feeding hole and is input into the fertilizer cage 7 through the fertilizer outlet, as the fertilizer particles in the fertilizer cage 7 increase, the gravity of the fertilizer cage 7 is greater than the buoyancy of the float 6, the fertilizer cage 7 sinks into the water to make the fertilizer feeding hole of the fertilizer feeding pipe 5 below the top wall of the water tank 1 again, so that the fertilizer feeding to the fertilizer cage 7 is stopped, at this time, the lower limit block of the sliding rod 12 contacts the contact switch 11 on the lower end surface of the sliding seat 10, the contact switch 11 sends a signal to the electromagnetic pin 14, the piston rod of the electromagnetic pin 14 extends to lock the fertilizer feeding pipe 5 with the pressure rod 15, so that the fertilizer feeding is repeated when the water is added once, the fertilizer particles in the fertilizer cage 7 dissolve into the water, the automatic fertilizer feeding to the water tank 1 is realized, the fertilizer feeding operation is simplified, and the ratio of the fertilizer and the water can be well controlled by controlling the amount of water added each time. Example 2

[0025] As shown in Figure 1 , Figure 2 and Figure 7 , on the basis of example 1, the water pump 16 and the filter 17 are further included, the water pump 16 is installed below the water tank 1, the water outlet of the water pump 16 is connected with the input end of the drip irrigation pipe 2, the water inlet of the water pump 16 is installed with the filter 17, and the filter 17 is located at the bottom of the water storage chamber of the water tank 1; the three-way valve 18, the backwater pipe 19 and the spray head 20 are further included, the water outlet of the water pump 16 is connected with the first channel of the three-way valve 18, the input end of the drip irrigation pipe 2 is connected with the second channel of the three-way valve 18, the input end of the backwater pipe 19 is connected with the third channel of the three-way valve 18, the spray head 20 is rotatably installed on the output end of the backwater pipe 19, and the spray head 20 is located in the water storage chamber of the water tank 1.

[0026] The water pump 16 runs to pump out the water in the water storage chamber of the water tank 1 and drip irrigate the wheat breeding land through the drip irrigation pipe 2 and the plurality of drip irrigation heads 3, the filter 17 is arranged to avoid impurities and undissolved fertilizer particles from blocking the drip irrigation pipe 2 and the plurality of drip irrigation heads 3, after the water storage chamber of the water tank 1 is filled with water, the three-way valve 18 is switched to connect the water outlet of the water pump 16 with the water return pipe 19, the water pump 16 runs to pump out the water in the water storage chamber of the water tank 1 and return the water to the water storage chamber of the water tank 1 through the water return pipe 19 and the spray head 20, so as to make the water flow and accelerate the dissolution of the fertilizer particles in the filter 17, when the water is sprayed through the water return pipe 19, the spray head 20 rotates under the action of the backwash force, so as to improve the complexity of the water flow and improve the uniformity of the fertilizer dissolution. Example 3

[0027] As shown in Figure 1 , Figure 2 and Figure 7 , on the basis of example 2, further comprising a water wheel pump 21, a driving shaft 22, a push rod 23, a swing component 24 and a cross rod 25, the water wheel pump 21 is installed on the input end of the drip irrigation pipe 2, a water wheel is rotatably installed in the water wheel pump 21, the driving shaft 22 is in transmission connection with the water wheel of the water wheel pump 21, the push rod 23 is installed on the driving shaft 22, the middle part of the swing component 24 is elastically connected with the drip irrigation pipe 2, the upper end of the swing component 24 is in contact with the push rod 23, the lower end of the swing component 24 is installed with the cross rod 25, and the cross rod 25 is located below the plurality of drip irrigation heads 3; when the water is sent to the plurality of drip irrigation heads 3 through the drip irrigation pipe 2, the water wheel in the water wheel pump 21 drives the driving shaft 22 and the push rod 23 to rotate, when the push rod 23 is in contact with the upper end of the swing component 24, the swing component 24 is pushed to rotate, the lower end of the swing component 24 drives the cross rod 25 to reciprocating swing, so as to clean the water outlet holes of the plurality of drip irrigation heads 3 and improve the drip irrigation reliability of the plurality of drip irrigation heads 3.

[0028] As shown in Figures 1 to 7As shown, the wheat breeding drip irrigation device, in working, first stores granular fertilizer in the fertilizer box 4, the float two 13 floats in the water, the float two 13 follows the water level in the water storage chamber of the water tank 1 to rise and fall, when the low water level, the slide rod 12 drops, the upper limit block and the slide 10 upper end surface contact switch 11 contact, so that the contact switch 11 opens the valve 9, so as to add water to the water storage chamber of the water tank 1 through the water pipe 8, then when the water level reaches the setting, the lower limit block and the slide 10 lower end surface contact switch 11 contact, so that the contact switch 11 closes the valve 9, so as to stop the water pipe 8 to add water, then the float one 6 follows the water level rise and drives the fertilizer pipe 5 and the fertilizer cage 7 to rise, when the fertilizer pipe 5 fertilizer inlet hole extends into the fertilizer storage chamber of the fertilizer box 4, the granular fertilizer enters the fertilizer pipe 5 through the fertilizer inlet hole and inputs into the fertilizer cage 7 through the fertilizer outlet hole, as the fertilizer particles in the fertilizer cage 7 more and more, the gravity of the fertilizer cage 7 is greater than the buoyancy of the float one 6, the fertilizer cage 7 sinks into the water, so that the fertilizer inlet hole of the fertilizer pipe 5 is below the top wall of the water tank 1 again, so as to stop adding fertilizer to the fertilizer cage 7, the piston rod of the electromagnetic pin 14 extends to lock the fertilizer pipe 5 of the pressure rod 15, the fertilizer particles in the fertilizer cage 7 are dissolved in the water, realizing automatic fertilizer adding to the water tank 1, finally the water pump 16 runs to pump out the water in the water storage chamber of the water tank 1 and drips irrigation to the wheat breeding land through the drip irrigation pipe 2 and the plurality of drip irrigation heads 3, in the drip irrigation process, the water wheel in the water wheel pump 21 drives the driving shaft 22 and the lever 23 to rotate, when the lever 23 contacts the upper end of the oscillating part 24, the lever 23 drives the oscillating part 24 to rotate, the lower end of the oscillating part 24 drives the cross rod 25 to reciprocate, so that the cross rod 25 can clean the water outlet holes of the plurality of drip irrigation heads 3.

[0029] The main functions realized by the utility model are:

[0030] 1. The fertilizer can be automatically added, the fertilizer adding operation is simplified, the ratio of fertilizer and water can be controlled, and the utility is good.

[0031] 2. The locking part is arranged in linkage with the water level, so that the fertilizer is not repeatedly added when water is added once, and the fertilizer adding accuracy is improved.

[0032] 3. The drip irrigation head can be cleaned, and the drip irrigation reliability is improved.

[0033] The installation mode, the connection mode or the setting mode of the wheat breeding drip irrigation device are common mechanical modes, and any mode that can achieve the beneficial effects can be implemented; the water tank 1, the drip irrigation pipe 2, the drip irrigation head 3, the fertilizer tank 4, the float 6, the valve 9, the contact switch 11, the float 13, the electromagnetic pin 14, the water pump 16, the filter 17, the three-way valve 18, the spray head 20, the water wheel pump 21 and the cross rod 25 of the wheat breeding drip irrigation device are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, and the technical personnel in the field do not need to pay creative labor.

[0034] All the technical and scientific terms used in the present application have the same meaning as that commonly understood by the technical personnel in the technical field to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used in the present application includes any and all combinations of one or more related listed items.

[0035] The above is only the preferred embodiment of the present application, and it should be pointed out that, for the ordinary technical personnel in the technical field, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A wheat breeding drip irrigation device, comprising a water tank (1), a drip irrigation pipe (2) and a plurality of drip irrigation heads (3), a water storage chamber is arranged in the inside of the water tank (1), the drip irrigation pipe (2) is installed below the water tank (1), and a plurality of drip irrigation heads (3) are installed on the drip irrigation pipe (2); characterized in that, The fertilizer tank (4) is installed on the water tank (1), the inside of the fertilizer tank (4) is provided with a fertilizer storage chamber, and a fertilizer adding opening communicating with the fertilizer storage chamber is arranged on the fertilizer tank (4); the fertilizer feeding pipe (5) is slidably inserted into the top wall of the water tank (1), the upper end of the fertilizer feeding pipe (5) extends into the inside of the fertilizer storage chamber of the fertilizer tank (4), the upper part and the lower part of the side wall of the fertilizer feeding pipe (5) are respectively provided with a fertilizer inlet hole and a fertilizer outlet hole, the lower end of the fertilizer feeding pipe (5) is installed with the first float (6), and the fertilizer cage (7) is installed on the first float (6); the fertilizer outlet hole of the fertilizer feeding pipe (5) is located in the inside of the fertilizer cage (7), and the inside of the fertilizer tank (4) is provided with a locking part for locking the fertilizer feeding pipe (5).

2. The wheat breeding drip irrigation device according to claim 1, wherein, The water adding pipe (8) is installed on the water tank (1), and the lower end of the water adding pipe (8) extends into the water storage chamber of the water tank (1); the valve (9) is installed at the lower end of the water adding pipe (8).

3. The wheat breeding drip irrigation device according to claim 2, wherein, The slide seat (10) is installed on the valve (9), the slide seat (10) is provided with a slide hole, the upper end face and the lower end face of the slide seat (10) are both installed with the contact switch (11), the slide rod (12) is slidably inserted into the slide hole of the slide seat (10), the slide rod (12) is provided with an upper limiting block and a lower limiting block, the upper limiting block is located above the slide seat (10), the lower limiting block is located below the slide seat (10), and the second float (13) is installed at the lower part of the slide rod (12); the two contact switches (11) are electrically connected with the valve (9).

4. The wheat breeding drip irrigation device according to claim 3, wherein, The locking part comprises an electromagnetic pin (14) and a pressing rod (15), the electromagnetic pin (14) is installed at the bottom of the fertilizer storage chamber of the fertilizer tank (4), the pressing rod (15) is installed on the piston rod of the electromagnetic pin (14), and the pressing rod (15) is aligned with the upper end of the fertilizer feeding pipe (5).

5. The wheat breeding drip irrigation device according to claim 1, wherein, The water pump (16) is installed below the water tank (1), the water outlet of the water pump (16) is connected with the input end of the drip irrigation pipe (2), the water inlet of the water pump (16) is installed with the filter (17), and the filter (17) is located at the bottom of the water storage chamber of the water tank (1).

6. The wheat breeding drip irrigation device according to claim 5, wherein, The three-way valve (18), the backwater pipe (19) and the spray head (20) are further included, the water outlet of the water pump (16) is connected with the first channel of the three-way valve (18), the input end of the drip irrigation pipe (2) is connected with the second channel of the three-way valve (18), the input end of the backwater pipe (19) is connected with the third channel of the three-way valve (18), the spray head (20) is rotatably installed on the output end of the backwater pipe (19), and the spray head (20) is located in the water storage chamber of the water tank (1).

7. The wheat breeding drip irrigation device according to claim 6, wherein, It also includes water wheel pump (21), drive shaft (22), lever (23), swing component (24) and crossbar (25), water wheel pump (21) is installed on the input end of drip irrigation pipe (2), the inside of water wheel pump (21) is rotatably installed water wheel, drive shaft (22) is in transmission connection with the water wheel of water wheel pump (21), drive shaft (22) is installed lever (23), the middle part of swing component (24) is elastically connected with drip irrigation pipe (2), the upper end of swing component (24) is in contact with lever (23), the lower end of swing component (24) is installed crossbar (25), crossbar (25) is located below multiple drip irrigation heads (3).

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