A fluid stream seed delivery device for a planter

Abstract

The application discloses a seeding machine liquid flow seeding device, which comprises a single support, a four-bar linkage profiling mechanism, a seed box, a seed metering device, a seed guide tube, a double-disc furrow opener, a soil covering and pressing wheel, a liquid flow seeding device for making seeds to be stably planted and a drip irrigation device after soil covering, the four-bar linkage profiling mechanism is hingedly connected with the front end of the single support, the seed box is tightly connected with the seed inlet of the seed metering device, the side of the connecting position of the seed box and the seed metering device is tightly connected with a single auxiliary support, a water tank is arranged on the single auxiliary support, the seed guide tube is tightly connected with the seed outlet of the seed metering device, the double-disc furrow opener is rotatably connected with the lower end of the single support, the soil covering and pressing wheel is rotatably connected with the rear of the lower end of the single support, and the liquid flow seeding device is connected with the single auxiliary support.

Description

Technical Field

[0001] This invention belongs to the field of agricultural machinery technology. Specifically, this invention relates to a liquid jet seeding device for a seeder. Background Technology

[0002] During the sowing process, seeds in current seeders are prone to bouncing and rolling when they fall from the seed tube and hit the soil, resulting in uneven distribution of seeds in the seed furrow after sowing. Furthermore, different requirements arise for the water spraying method of the liquid jet seeding device when sowing large seeds such as peanuts, soybeans, and corn, and small seeds such as rice, wheat, and sesame in small holes. Therefore, designing a liquid jet seeding device for a seeder is a technical problem that needs to be solved. Summary of the Invention

[0003] This invention provides a liquid jet seeding device for a seeder to solve the problems existing in the background art.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a liquid jet seeding device for a seeder, comprising a single support frame, a four-bar linkage contouring mechanism, a seed box, a seed metering device, a seed guide tube, a double-disc furrow opener, a soil covering and pressing wheel, a liquid jet seeding device for stable seed placement, and a drip irrigation device after soil covering. The four-bar linkage contouring mechanism is hinged to the front end of the single support frame. The seed box is tightly connected to the seed inlet of the seed metering device. The single auxiliary support frame is tightly connected to the side of the connection between the seed box and the seed metering device. A water tank is provided on the single auxiliary support frame. The seed guide tube is tightly connected to the seed outlet of the seed metering device. The double-disc furrow opener is rotatably connected to the lower end of the single support frame. The soil covering and pressing wheel is rotatably connected to the rear of the lower end of the single support frame. The liquid jet seeding device is connected to the single auxiliary support frame.

[0005] The four-bar linkage includes a front connecting plate, an upper connecting rod, a lower connecting rod, and a rear connecting plate. The front connecting plate is hinged to the front end of the single-unit bracket. One end of the upper connecting rod is hinged to the upper end of the front connecting plate, and the other end is hinged to the upper end of the rear connecting plate. One end of the lower connecting rod is hinged to the lower end of the front connecting plate, and the other end is hinged to the lower end of the rear connecting plate.

[0006] Preferably, the double-disc trencher has depth-limiting wheels rotating on both sides.

[0007] Preferably, the liquid jet seeding device includes a water pump, a stainless steel corrugated pipe, a normally closed micro solenoid valve, and a jet nozzle. The water pump is fixedly connected to the single-unit auxiliary support. The inlet of the water pump is connected to the water tank. The outlet of the water pump is connected to the upper end of the stainless steel corrugated pipe. The normally closed micro solenoid valve is connected to the lower end of the stainless steel corrugated pipe. The jet nozzle is connected to the outlet of the normally closed micro solenoid valve. The normally closed micro solenoid valve is fixedly connected to the seed guide pipe, and the liquid jet sprayed by the jet nozzle can carry seeds.

[0008] Preferably, the drip irrigation device comprises a water pump two, a stainless steel corrugated pipe two, a normally closed micro electromagnetic valve two and a rubber tube, the water pump two is fastened and connected with the single auxiliary support, the water inlet of the water pump two is connected with the water tank, the water outlet of the water pump two is connected with the upper end of the stainless steel corrugated pipe two, the normally closed micro electromagnetic valve two is connected with the lower end of the stainless steel corrugated pipe two, the rubber tube is connected with the water outlet of the normally closed micro electromagnetic valve two, and the rubber tube is arranged above the rear end of the soil covering and pressing wheel.

[0009] Preferably, the water jet nozzle is provided with a central water jet hole and a peripheral water jet hole.

[0010] Preferably, the water pressure values of the water pump one and the water pump two are 1.8 Mpa DC24V, the diameters of the stainless steel corrugated pipe one and the stainless steel corrugated pipe two are 50 mm, and the water pressure values of the normally closed micro electromagnetic valve one and the normally closed micro electromagnetic valve two are 0.5 Mpa DC24V.

[0011] The liquid flow seeding device of the seeder further comprises a control system, the control system comprises an infrared opposite-acting sensor and a circuit control box, the infrared opposite-acting sensor is installed on the hole groove on the two sides of the seed guide pipe, the circuit control box is arranged above the soil covering and pressing wheel and is fastened and connected with the single support, the circuit control box is composed of an Arduino Nano v3.0 unit, a DC-DC adjustable voltage reduction and stabilization power supply unit, a MOS amplification and driving unit, a double-way relay and a seed detector unit, the infrared opposite-acting sensor detects the seed particles at the front end of the seed guide pipe, converts the detection signal into an electric signal and transmits the electric signal to the circuit control box, triggers the seed detector unit, inputs the signal into the Arduino Nano v3.0 unit, then the MOS amplification and driving unit transmits the signal to the double-way relay to control the normally closed micro electromagnetic valve one, the normally closed micro electromagnetic valve one receives the signal and opens, the water jet nozzle completes the liquid flow seeding work, and then the normally closed micro electromagnetic valve two delays the jet liquid flow.

[0012] Preferably, the infrared opposite-acting sensor adopts an LSD-DT15MLD opposite-acting light sensing infrared detector with a detection diameter of 500 mm.

[0013] The above technical scheme has the following beneficial effects:

[0014] 1. The seed drill liquid flow seeding device of the application, when the seed passes through the seed guide pipe, the infrared opposite transmission sensor transmits a signal to the circuit control box, triggering the seed detector unit, the MOS amplification drive unit transmits a signal to the normally closed micro electromagnetic valve one, under the normally open state of the water pump one, the normally closed micro electromagnetic valve one receives the signal and opens, the liquid flow nozzle completes the liquid flow seeding work, the liquid flow seeding device shoots the seed particles by high-pressure pulse water jet, and the seed particles are "wrapped and accelerated and adhered" to the soil, so that the seed particles are projected and adhered in the seed furrow; the seed particles are prevented from bouncing and rolling after landing on the soil, so that the seed particles are stably landed and uniformly distributed in the seed furrow, the seeding uniformity and the germination and emergence rate are improved, the production efficiency is improved, and the problem of spatial heterotopic distribution of seed particles caused by the lack of transient freedom constraint regulation of seed particles in traditional seeders is solved.

[0015] 2. The seed drill liquid flow seeding device of the application, after the soil covering and pressing wheel completes the soil covering work, under the normally open state of the water pump one, the circuit control box controls the normally closed micro electromagnetic valve two to receive a signal for several seconds and opens, and the rubber tube completes the drip irrigation work, so that the ditching, seeding, seeding, soil covering, pressing, and drip irrigation work are realized, the cost is saved, and the seeding operation efficiency and the yield of crops are improved.

[0016] 3. The seed drill liquid flow seeding device of the application, the control system comprises an infrared opposite transmission sensor and a circuit control box, the infrared opposite transmission sensor is installed on the hole groove on both sides of the seed guide pipe, the circuit control box is arranged above the soil covering and pressing wheel and is fastened with the single support; the circuit control box is composed of an Arduino Nano v3.0 unit, a DC-DC adjustable voltage reduction and stabilization power supply unit, a MOS amplification drive unit, a double-way relay, and a seed detector unit; the infrared opposite transmission sensor detects the seed particles in front of the seed guide pipe, converts the detection signal into an electric signal, transmits the electric signal to the circuit control box, triggers the seed detector unit, inputs the signal into the Arduino Nano v3.0 unit, then the MOS amplification drive unit transmits the signal to the double-way relay to control the normally closed micro electromagnetic valve one, the normally closed micro electromagnetic valve one receives the signal and opens, the liquid flow nozzle completes the liquid flow seeding work, and then the normally closed micro electromagnetic valve two delays the liquid flow; the liquid flow seeding device and the drip irrigation device complete the intermittent work effect of one hole one spray, realize precise water or fertilizer application, save water resources, improve the efficiency of harvesting and seeding, and improve the germination and emergence rate of seed particles.

[0017] 4. The seedling machine liquid flow seeding device, the double-disc furrow opener is provided with depth limiting wheels on both sides, which ensures the uniformity of the double-disc furrow opener and the uniformity of the height of germination and seedling emergence. The jet nozzle is provided with a central water nozzle and a peripheral water nozzle. When large-particle seeds such as peanuts, soybeans and corn are seeded, the central water nozzle is used to spray columnar water; when small-particle seeds such as rice, wheat and sesame are hole-seeded, the peripheral water nozzle is used to spray flower-shaped water, which ensures the hole-seeding requirement of different sizes and quantities of seeds, realizes one machine with multiple functions, and improves the universality of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is the assembly drawing of the seedling machine liquid flow seeding device of the present application;

[0019] Fig. 2 is a schematic view of the structure of the jet nozzle;

[0020] Fig. 3 is a schematic view of the control principle of the circuit control box;

[0021] Among them:

[0022] 1, single support; 2, four-bar linkage profiling mechanism; 3, seed box; 4, seed metering device; 5, seed guide tube; 6, double-disc furrow opener; 7, soil covering and pressing wheel; 8, liquid flow seeding device; 9, drip irrigation device;

[0023] 1-1, infrared transmitting and receiving sensor; 1-2, circuit control box;

[0024] 20, front connecting plate; 21, upper connecting rod; 22, lower connecting rod; 23, rear connecting plate;

[0025] 30, single auxiliary support; 31, water tank;

[0026] 60, depth limiting wheel;

[0027] 80, water pump one; 81, stainless steel corrugated pipe one; 82, normally closed micro electromagnetic valve one; 83, jet nozzle; 83-1, central water nozzle; 83-2, peripheral water nozzle;

[0028] 90, water pump two; 91, stainless steel corrugated pipe two; 92, normally closed micro electromagnetic valve two; 93, rubber tube. DETAILED DESCRIPTION

[0029] The specific embodiments of the present application will be further described in detail below with reference to the drawings, and the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solution of the present application, and to help its implementation.

[0030] As Figs. 1-3As shown, this invention is a liquid jet seeding device for a seeder. The liquid jet seeding device uses a high-pressure pulsed water jet to propel seeds into the soil through "envelopment-acceleration-adhesion," projecting and adhering the seeds within the seed furrow. This suppresses the bouncing and rolling displacement behavior of seeds after they touch the soil, achieving stable seed placement and uniform seed distribution in the seed furrow. This improves sowing uniformity and germination rate, increases production efficiency, and solves the problem of spatial displacement of seeds in the soil caused by the lack of constraint and control over the transient degrees of freedom of seeds during seed placement in traditional seeders.

[0031] Specifically, such as Figs. 1-3 As shown, a liquid jet seeding device for a seeder includes a single support frame 1, a four-bar linkage contouring mechanism 2, a seed box 3, a seed metering device 4, a seed guide tube 5, a double-disc furrow opener 6, a soil covering and pressing wheel 7, a liquid jet seeding device 8 for stable seed placement, and a drip irrigation device 9 after soil covering. The four-bar linkage contouring mechanism 2 is hinged to the front end of the single support frame 1. The seed box 3 is tightly connected to the seed inlet of the seed metering device 4. A single auxiliary support frame is tightly connected to the side of the connection between the seed box 3 and the seed metering device 4. A water tank is provided on the single auxiliary support frame. The seed guide tube 5 is tightly connected to the seed outlet of the seed metering device 4. The double-disc furrow opener 6 is rotatably connected to the lower end of the single support frame 1. The soil covering and pressing wheel 7 is rotatably connected to the rear of the lower end of the single support frame 1. The liquid jet seeding device 8 is connected to the single auxiliary support frame.

[0032] The four-bar linkage contouring mechanism 2 includes a front connecting plate 20, an upper connecting rod 21, a lower connecting rod 22, and a rear connecting plate 23. The front connecting plate 20 is hinged to the front end of the single support 1. One end of the upper connecting rod 21 is hinged to the upper end of the front connecting plate 20, and the other end is hinged to the upper end of the rear connecting plate 23. One end of the lower connecting rod 22 is hinged to the lower end of the front connecting plate 20, and the other end is hinged to the lower end of the rear connecting plate 23.

[0033] The double-disc trencher 6 has depth-limiting wheels 60 rotating on both sides.

[0034] The liquid jet seeding device 8 includes a water pump 80, a stainless steel corrugated pipe 81, a normally closed micro solenoid valve 82, and a jet nozzle 83. The water pump 80 is fixedly connected to the single-unit auxiliary support. The inlet of the water pump 80 is connected to the water tank. The outlet of the water pump 80 is connected to the upper end of the stainless steel corrugated pipe 81. The normally closed micro solenoid valve 82 is connected to the lower end of the stainless steel corrugated pipe 81. The jet nozzle 83 is connected to the outlet of the normally closed micro solenoid valve 82. The normally closed micro solenoid valve 82 is fixedly connected to the seed guide tube 5, and the liquid jet sprayed by the jet nozzle 83 can carry seeds.

[0035] The drip irrigation device 9 comprises a water pump two 90, a stainless steel corrugated pipe two 91, a normally closed micro electromagnetic valve two 92 and a rubber pipe 93, the water pump two 90 is fixedly connected with the single auxiliary support, the water inlet of the water pump two 90 is connected with the water tank, the water outlet of the water pump two 90 is connected with the upper end of the stainless steel corrugated pipe two 91, the normally closed micro electromagnetic valve two 92 is connected with the lower end of the stainless steel corrugated pipe two 91, the rubber pipe 93 is connected with the water outlet of the normally closed micro electromagnetic valve two 92, and the rubber pipe 93 is arranged above the rear end of the soil pressing wheel 7.

[0036] The jet flow nozzle 83 is provided with a central water spraying hole 83-1 and four peripheral water spraying holes 83-2.

[0037] The water pressure value of the water pump one 80 and the water pump two 90 is 1.8Mpa DC24V, the diameter of the stainless steel corrugated pipe one 81 and the stainless steel corrugated pipe two 91 is 50mm, and the water pressure value of the normally closed micro electromagnetic valve one 82 and the normally closed micro electromagnetic valve two 92 is 0.5Mpa DC24V.

[0038] The liquid flow seeding device of the seeding machine further comprises a control system, the control system comprises an infrared opposite-acting sensor 1-1 and a circuit control box 1-2, the infrared opposite-acting sensor 1-1 is installed on the hole groove on both sides of the seed guide pipe 5, the circuit control box 1-2 is arranged above the soil pressing wheel 7 and is fixedly connected with the single support 1, the circuit control box 1-2 is composed of an Arduino Nano v3.0 unit, a DC-DC adjustable voltage reduction and stabilization power supply unit, a MOS amplification and driving unit, a double-way relay and a seed detector unit, the infrared opposite-acting sensor 1-1 detects the seed particles at the front end of the seed guide pipe 5, converts the detection signal into an electric signal and transmits the electric signal to the circuit control box 1-2, triggers the seed detector unit, inputs the signal into the Arduino Nano v3.0 unit, then the MOS amplification and driving unit transmits the signal to the double-way relay to control the normally closed micro electromagnetic valve one 82, the normally closed micro electromagnetic valve one 82 receives the signal and opens, the jet flow nozzle 83 completes the liquid flow seeding work, and then the normally closed micro electromagnetic valve two 92 delays the jet flow.

[0039] The infrared opposite-acting sensor 1-1 adopts an LSD-DT15MLD opposite-acting light sensing infrared detector with a detection diameter of 500mm.

[0040] The specific working mode is described below by means of specific embodiments.

[0041] Embodiment 1:

[0042] The seeding machine liquid flow jetting device of the application, when the seed passes through the seed guide pipe 5, the infrared opposite transmission sensor 1-1 transmits a signal to the circuit control box 1-2, triggers the seed detector unit, the MOS amplification driving unit transmits a signal to the normally closed micro electromagnetic valve one 82, under the normally open state of the water pump one 80, the normally closed micro electromagnetic valve one 82 receives the signal and opens, the jet nozzle 83 completes the liquid flow jetting work, the liquid flow jetting device 8 shoots the seed particle by high-pressure pulse water jet, and the seed particle is "wrapped - accelerated - adhered" to the soil, so that the seed particle is projected and adhered in the seed furrow; the rebounding and rolling ectopic behavior of the seed particle after the seed particle touches the soil is inhibited, the seed particle is stably planted, the seed particle is uniformly distributed in the seed furrow, the seeding uniformity and the germination and emergence rate are improved, the production efficiency is improved, and the problem of the spatial ectopic distribution of the seed particle caused by the lack of transient freedom degree constraint regulation of the seed particle planting in the traditional seeding machine is solved.

[0043] Example 2:

[0044] On the basis of example 1, after the soil covering and pressing wheel 7 completes the soil covering work, under the normally open state of the water pump two 90, the circuit control box 1-2 controls the normally closed micro electromagnetic valve two 92 to receive a signal for several seconds and open, and the rubber pipe 93 completes the drip irrigation work, so that the ditching - seeding - jetting - soil covering - pressing - drip irrigation work is realized, the cost is saved, the seeding operation efficiency and the yield of crops are improved.

[0045] Example 3:

[0046] The seeding machine liquid flow jetting device of the application, the control system comprises an infrared opposite transmission sensor 1-1 and a circuit control box 1-2, the infrared opposite transmission sensor 1-1 is installed on the hole groove on both sides of the seed guide pipe 5, the circuit control box 1-2 is arranged above the soil covering and pressing wheel 7 and is fastened to the single support 1; the circuit control box 1-2 is composed of an Arduino Nano v3.0 unit, a DC-DC adjustable voltage stabilizing power supply unit, a MOS amplification driving unit, a double-way relay and a seed detector unit; the infrared opposite transmission sensor 1-1 detects the seed particle in front of the seed guide pipe (5) and converts the detection signal into an electric signal and transmits the electric signal to the circuit control box 1-2, triggers the seed detector unit, the signal is input into the Arduino Nano v3.0 unit, then the MOS amplification driving unit transmits a signal to the double-way relay to control the normally closed micro electromagnetic valve one 82, the normally closed micro electromagnetic valve one 82 receives the signal and opens, the jet nozzle 83 completes the liquid flow jetting work, and then the normally closed micro electromagnetic valve two 92 delays the jetting liquid flow; the liquid flow jetting device 8 and the drip irrigation device 9 complete the intermittent work effect of one hole one spray, realize precise water or fertilizer application, save water resources, improve the efficiency of harvesting and seeding, and improve the germination and emergence rate of the seed particle.

[0047] Example 4:

[0048] On the basis of embodiment 1, the double-disc furrow opener 6 is provided with a depth wheel 60 on each side to ensure the uniformity of the double-disc furrow opener 6, thereby ensuring the uniformity of the height of germination and emergence. The jet nozzle 83 is provided with a central water nozzle 83-1 and a peripheral water nozzle 83-2. When large-particle seeds such as peanuts, soybeans and corn are sown, the central water nozzle 83-1 is used to spray columnar water; when small-particle seeds such as rice, wheat and sesame are sown, the peripheral water nozzle 83-2 is used to spray flower-sprinkling water; the requirements of different sizes and quantities of seeds are ensured to be sown in holes, one machine is used for multiple purposes, and the universality of the equipment is improved.

[0049] The above describes the present application with reference to the drawings, and it is obvious that the specific implementation of the present application is not limited to the above-mentioned manner. Any non-essential improvement using the method concept and technical solution of the present application or directly applying the above-mentioned concept and technical solution of the present application to other occasions is within the protection scope of the present application.

Claims

1. A liquid jet seeding device for a seeder, characterized in that: The utility model relates to a kind of seedling planting machines, including single support (1), four-bar linkage mechanism (2), seed box (3), seed metering device (4), seed guide tube (5), double-disc furrow opener (6), cover roller (7), the liquid flow jetting device (8) and drip irrigation device (9) that seed particle is made to be stable and bedded, four-bar linkage mechanism (2) is hinged with single support (1) front end, seed box (3) is fastened with seed metering device (4) and is connected with seed inlet, seed box (3) is fastened with seed metering device (4) and is connected with single vice support on side surface, water tank is equipped on single vice support, seed guide tube (5) is fastened with seed metering device (4) and is connected with seed outlet, double-disc furrow opener (6) is rotatably connected with single support (1) lower end, cover roller (7) is rotatably connected with single support (1) lower end rear, liquid flow jetting device (8) is connected with single vice support; Four-bar linkage mechanism (2) includes front connecting plate (20), upper connecting rod (21), lower connecting rod (22) and rear connecting plate (23), front connecting plate (20) is hinged with single support (1) front end, upper connecting rod (21) one end is hinged with front connecting plate (20) upper end, the other end is hinged with rear connecting plate (23) upper end, lower connecting rod (22) one end is hinged with front connecting plate (20) lower end, the other end is hinged with rear connecting plate (23) lower end; Double-disc furrow opener (6) is rotatably equipped with depth wheel (60) on both sides respectively; Liquid flow jetting device (8) includes water pump one (80), stainless steel corrugated pipe one (81), normally closed micro electromagnetic valve one (82) and jet nozzle (83), water pump one (80) is fastened with single vice support, the water inlet of water pump one (80) is connected with water tank, the water outlet of water pump one (80) is connected with the upper end of stainless steel corrugated pipe one (81), normally closed micro electromagnetic valve one (82) is connected with the lower end of stainless steel corrugated pipe one (81), jet nozzle (83) is connected with the water outlet of normally closed micro electromagnetic valve one (82), normally closed micro electromagnetic valve one (82) is fastened with seed guide tube (5), and the liquid flow that jet nozzle (83) sprays can wrap up seed particle; Drip irrigation device (9) includes water pump two (90), stainless steel corrugated pipe two (91), normally closed micro electromagnetic valve two (92) and rubber tube (93), water pump two (90) is fastened with single vice support, the water inlet of water pump two (90) is connected with water tank, the water outlet of water pump two (90) is connected with the upper end of stainless steel corrugated pipe two (91), normally closed micro electromagnetic valve two (92) is connected with the lower end of stainless steel corrugated pipe two (91), rubber tube (93) is connected with the water outlet of normally closed micro electromagnetic valve two (92), and rubber tube (93) is arranged on the upper side of cover roller (7) rear end; Jet nozzle (83) is equipped with center water jet hole (83-1) and four peripheral water jet holes (83-2).

2. A fluid stream seeding device for a seeding machine as claimed in claim 1, wherein: The water pressure value of the water pump one (80) and the water pump two (90) is 1.8Mpa DC24V; the diameter of the stainless steel corrugated pipe one (81) and the stainless steel corrugated pipe two (91) is 50mm; the water pressure value of the normally closed micro electromagnetic valve one (82) and the normally closed micro electromagnetic valve two (92) is 0.5Mpa DC24V.

3. The fluid stream seeding device of claim 1, wherein: Further comprising a control system, the control system comprising an infrared opposite radiation sensor (1-1) and a circuit control box (1-2), the infrared opposite radiation sensor (1-1) is installed on the hole groove on both sides of the seed tube (5), the circuit control box (1-2) is arranged above the soil covering and pressing wheel (7) and is fastened with the single support (1); the circuit control box (1-2) is composed of an Arduino Nano v3.0 unit, a DC-DC adjustable voltage reduction and stabilization power supply unit, a MOS amplification driving unit, a double-way relay and a seed detector unit; the infrared opposite radiation sensor (1-1) detects the seed in the front end of the seed tube (5) and converts the detection signal into an electric signal and transmits it to the circuit control box (1-2), triggers the seed detector unit, signals are input into the Arduino Nano v3.0 unit, then the MOS amplification driving unit transmits signals to the double-way relay to control the normally closed micro electromagnetic valve one (82), the normally closed micro electromagnetic valve one (82) receives signals and opens, the jet nozzle (83) completes the liquid flow jetting work, then the normally closed micro electromagnetic valve two (92) delays the jetting of liquid flow.

4. A fluid stream seeding device for a seeding machine as claimed in claim 3, wherein: The infrared opposite radiation sensor (1-1) adopts a LSD-DT15MLD opposite radiation light sensing infrared detector with a detection diameter of 500mm.

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