Full-automatic sprinkler truck NS-Spray TST

In the process of plant growth, water plays an important role in its life activities. At the same time, uniform and consistent water supply can avoid the occurrence of deep leakage caused by water shortage affecting the growth and development of crop roots and excessive local irrigation. Uniform irrigation can effectively improve water use efficiency and meet the water requirements of crop roots. Nongsheng has carried out professional research in this field and developed a widely used irrigation system - intelligent sprinkler truck NS-Spray. The intelligent sprinkler irrigation vehicle can set different sprinkler irrigation speed and adjust the sprinkler irrigation flow according to different growth periods of crops, so as to achieve good sprinkler irrigation effect for crops under various conditions.

■technical parameter

Version introduction of double-rail boom sprinkler truck:

Full-automatic shunting - each span is equipped with a track, and multiple spans share one sprinkler truck;

Single span and single set - each set is equipped with a track, and each set is equipped with a sprinkler truck.

The following<2 Configuration function composition>describes the configuration for the fully automatic version.

■ Configuration function composition

Transfer unit - drive+coil unit

The coil unit and the drive unit are connected with the pulley through a wire rope and assembled with the hose, which is called the planetary unit. This planetary unit not only ensures the proper orientation of the water supply pipe, but also provides a 1:2 proportional relationship with the speed/distance of the drive unit.

The drive unit runs on two pipes with diameter of 76 * 2.5mm. The drive unit consists of galvanized steel components. Including electromagnetic induction switch and meter meter to detect the end of the track and return to the original position; The drive unit drives the sprinkler truck to move on the transfer track. Realize free transition (you need to set the transition path on the screen)

This working mode only needs to connect the water source and power supply at the fixed position, and does not need to replace the water source interface and power supply interface in the time zone of each diversion of the sprinkler truck. Easy to operate and improve work efficiency.

Traveling drive unit

Drive unit: the drive unit runs on 2 pipes with diameter of 63mm. The drive unit consists of galvanized steel components. The speed is 5-30m/min, including automatic encoder and 2 electromagnetic induction switches, which are used to detect the end of the track and return to the original position; The drive unit drives the tanker to move in the bay direction within each span. It is driven by two imported motors. The motor is a self-band brake speed regulating motor with an input voltage of 220V and a working voltage of 400V.

Hanging and lifting unit

Transfer track suspension unit: transfer track structure is fixed by end column and truss bottom chord.

Suspension unit: fix the track to the lower chord of greenhouse truss through special hooks and screws, and adjust the balance of the track through adjusting screw nuts.

Lifting unit: the height adjustment device is made of square tube material, and the height of spray bar can be adjusted manually and appropriately.

Irrigation unit

▪  Sprinkler irrigation mode: this sprinkler truck can be used for spraying and irrigation. Select the required sprinkler and rotate it towards the ground.

▪  By selecting the switch, you can execute the following modes: forward, backward, and round trip. At the same time, press the irrigation button to execute forward+irrigation (spraying), backward+irrigation (spraying), and round trip+irrigation (spraying).

▪  Test the cleaning water valve: through this button, you can manually activate to open the water valve. This button can be used to check or flush pipes and nozzles.

▪  Walking speed: different irrigation speeds can be set according to different planting varieties, that is, the walking speed of sprinkler irrigation vehicles. 5m-30m/min

▪  Nozzle selection: TEEJET three-position nozzle, stainless steel nozzle. Three types of nozzles with different flow rates can be selected (directly rotate the nozzle without changing the nozzle), with the nozzle spacing of 470 mm and spraying angle of 80 °.

Flow parameters of each nozzle under water supply pressure of 0.3MPA:

XR8002VS yellow: 0.79L/M

XR8004VS red: 1.58L/M

XR8006VS gray: 2.37L/M (XR8008VS white: 3.16L/M is optional if the water supply pressure is large)

That is, 45L/h, 90L/h and 136L/h.

Fertilization and dosing unit

Proportional fertilizer applicator, mixing device, DOSATRON D3 fertilizer pump, a metering unit for storing fertilizer for protecting crop growth, installed on the main body of the sprinkler truck, plastic bucket with a capacity of 10 liters, can be used to mix fertilizer, and its fertilizer flow rate is 10L/H-3000L/H; Fertilize plants and spray pesticides through proportional fertilizer applicators. The technical solution is added into the plastic bucket, and the equipment can automatically add water when it needs to be stirred.

Motor operation, speed regulation and shutdown unit

Operation speed control unit: the motor has its own holding brake. The electric box is equipped with miniature frequency converter and speed regulating potentiometer. The speed of the tanker is controlled by a potentiometer. The speed of the equipment can be changed by changing the set value, even when the equipment is running. The higher the value, the higher the speed of the corresponding tanker.

Parking unit: detect the beginning and end of the track through automatic encoder and electromagnetic induction limit switch.

Electric box and control unit

▪  The electric box is waterproof and hung on the lifting unit above the spray bar.

▪  Control unit: used to control the driving direction, spraying speed and spraying effect of the sprinkler truck. Built-in: PLC, LCD touch screen, DC regulated power supply, total load switch, fuse, miniature relay, frequency converter.

▪  The control unit adopts the button control and remote control mode of the electric box panel. The remote control panel is consistent with the button mode of the electric box panel to enhance the stability of operation.

The fertilizer and pesticide spray bar is divided into two areas, which are controlled by the BORMAND solenoid valve. The left and right areas can work independently or simultaneously.

Obstacle parking unit

▪  This function is to ensure that the sprinkler truck can automatically identify and stop when encountering obstacles during traveling.

▪  Obstacle scanning probe: during the operation of the equipment, it will automatically stop when it detects an obstacle in front.

▪  Torque induction parking: set the torque parameters through the frequency converter. When the motor of the sprinkler truck encounters obstacles during operation and the torque of the motor increases, the sensor will transmit the data to the PLC and the equipment will stop.

No seedling detection and spray stopping unit

The scanner automatically detects whether there are seedlings in the seedbed or on the ground. If there are no seedlings, the sprinkler in this area will automatically close. The detection height of the scanner can be adjusted for different planting varieties. (This plan requires that the track in the greenhouse be at the same level, and the seedbed must be at the same level, which requires higher requirements for greenhouse installation, and must be planted according to the planting requirements, and is not recommended)

Operation warning unit

The system is equipped with three-color warning lights and two-wing monochrome warning lights. When the system is started up and running, the warning lights will work.

Filtering and automatic pressure reduction and exhaust unit

TEEJET AA126 flushing pipeline filter is used for the filter:

▪  The maximum pressure rating is 14bar (200PSI);

▪  The filter head and filter cup are made of glass filled polypropylene and EPDM gaskets;

▪  The filter screen is made of 304SS, and the polypropylene support with color coding is removable for easy cleaning;

▪  Removable cap and O-ring are used to facilitate cleaning or self-cleaning operation;

The pressure reducing valve adopts the BORMAND PRV series adjustable quick response pressure reducing valve, which has a diaphragm that responds to the pressure. The hydraulic force and the spring setting force reach a balance at a certain position. No matter how the flow and the pressure in front of the valve fluctuate and change, the valve can reduce the high pressure in front of the valve to the low pressure behind the valve and maintain stability.

The equipment is equipped with a breathing valve, which automatically empties the air in the pipeline during the operation of the equipment to prevent water hammer effect.

Water supply and power supply unit

The water supply and power supply head of the system adopts quick connector. The transfer part adopts coil type, and the power line is built in the water pipe. The water pipes in the transition part are made of HDPE.

The walking hose is made of PVC polymer.

The cable is LAPP (cable general) with waterproof grade of IP65.

control mode 

It can be controlled by electric box button and remote control. One-button start can also be realized.

Transition unit

The transfer unit of the system adopts electric transfer and sends commands through the controller without manual intervention. Magnetic limit breakpoint switch.