The busiest thing at this time is that the members of the flight defense team, as we often say, are not working, but can't do it. . . .
We need teammates and we need partners. . . .
The key first step:
Before the operation, we must have an understanding of the working environment, including crop type, growth period, pest and disease situation, prevention and treatment cycle; the type of drug used, the amount of application; the area of ​​the plot, the topography, and the environment around the work.
Before determining the task, you need to do a series of preparations: After determining the date of the job, you need to know the weather conditions of the day. It is clear whether you can work. If there is heavy rain or snow, it is not suitable for homework. Many people will ask, wind. How many levels are not suitable for homework? Normally, the following five to six winds can be operated, otherwise it is not suitable for operation, the aircraft will be affected by the wind to offset the planned operation route, and the control hand will also be affected by the weather, and the command aircraft will not be 100% complying; Whether the whole terrain is suitable for flying defense, the land with too many obstacles will affect the flight, and increase the chance of the bomber; whether the land is regular or not, the scattered plots are generally troublesome to operate, because each one must be guaranteed The position is evenly treated, which must have quite strict requirements on the business level of the flight control hand; the area of ​​the entire land should be measured accurately, so as to avoid affecting the planning route, working time and setting parameters of the drone due to measurement errors. Etc. Before the operation, you should make some effective communication with the farmers, fully understand the growth of farmland, pests and diseases, and also clarify the dosage of the pesticides used in the flight defense and the application amount per mu. Finally, before the operation, we usually work with the farmers. Sign the plant protection service agreement, the agreement will specify the coverage rate per square centimeter to ensure the effectiveness of the spray, the two sides confirm the signature
"Ammunition selection":
Farmers' pharmacies are generally provided by independent procurement or local plant protection stations. Generally, the drone agent is preferably selected from a liquid, a suspension, an emulsifiable concentrate, etc. Why not use a powder? Because powder pesticides require a large amount of water to dilute, if not completely diluted, it is easy to form a mass, which causes blockage of the plant protection drone nozzle or filter, which not only wears the nozzle, but also affects the operation and control effect. In addition, one advantage of the plant protection drone is that it saves 90% of the water consumption compared with the general drug fight. The reason is that we use water, suspending agent, emulsifiable oil, etc. as the application agent. These drugs have a small dilution ratio and good water solubility, so they can be used in large quantities. Water saving. Before applying the medicine, it is necessary to communicate with the farmers in advance to determine the type of application and the amount of application. Combined with the actual situation of the day, the number of acres that can be operated is roughly expected. Under normal circumstances, the drone can operate about 300 mu a day, depending on the situation. Prepare enough stock and water. Of course, the flying defense team usually prepares the medicine itself, and if the farmer approves it, they can choose it.
Building a team core:
After determining the flight defense mission, according to the situation, the flight defense team selects the number of flying hands, the equipment and quantity to be brought, the transportation vehicles and the medicaments that can play a preventive effect, in case of emergency. When receiving the mission, the flight defense team must plan the operation quickly. Since each crop pest has a certain prevention and treatment cycle, if the task is not completed in time during this cycle, the expected control effect will not be achieved.
For example, the prevention and control task is 5,000 mu of rice, the land is regular, and the pest control period is about one week. The multi-rotor electric plant protection machine conservatively estimates that 300 mu per day, 300 mu x 7 days = 2100 mu, so three drones will generally be produced at this time. On the one hand, it can fully guarantee the completion of the task within one week. On the other hand, if there is one aircraft failure in the operation, the other two can also complete the task on time. Each drone is equipped with a flying hand and a ground crew name. Equipped with relatively standard human resources.
Other related supporting facilities, such as aircraft spare propellers, screws, sufficient batteries, chargers, related data lines, take-off platforms, medicine pots or buckets required for the transportation of pesticides, walkie-talkies coordinated by the flying hand assistants, and related protective equipment ( Glasses, masks, overalls, sun hats, etc.), if the prevention and treatment tasks are the way of contracting medicines, we need to check the inventory to determine whether the type of the drug is in line with the need to control crop pests and diseases, and whether the quantity is correct.
1 Pesticide safety problem: When dispensing the medicine, please pay attention to the splash of the medicine, and introduce the medicine into the mouth of the medicine box or the lead tube to prevent the medicine from corroding the battery and the motor. When using the medicine, please use clean water, otherwise it will cause the medicine residue to block the application. Pipeline; if there is any residue in the medicine, please clean it up before use; when using the medicine, please wear protective equipment to prevent direct contact with the pesticide; when applying the medicine, try to avoid the river and drinking water source to avoid pollution. After application, please clean the appliance in time to prevent residual pesticides from corroding the appliance.
2 Operational safety problems: researching theoretical knowledge, the finer the theoretical knowledge, the more confident it is to fly, and the timely identification of faults when encountering faults; the lack of common sense and instantaneous negligence of flying hands is the biggest threat to flight safety; The result will be very unsatisfactory, a loose screw, or even the entire aircraft; concentrate on the flight, not half-hearted; control the rules during flight, do not arbitrarily try unsure movements, let alone create their own creation Aircraft instructions to avoid bombing.
3 Battery safety problem: Please be sure to confirm the battery voltage before using the battery. The new battery should avoid large current charging. Pay attention to the battery temperature during use and avoid over-discharge. When the battery is not used for a long time, put it in a dry and dry place with a temperature of 0. In an environment of ~40 ° C; perform a complete charge and discharge of the battery every month; check the voltage of the battery cell once a week.
4 Environmental safety issues: Flying at an altitude of 2,000 meters below sea level and away from the crowd; air temperature in 0 °C ~ 40 °C, good weather, avoid flying in high winds, rain and snow; away from people, trees, wires High-risk buildings such as airports, tall buildings and signal towers; do not hover over the seedlings at low altitude to avoid damage to the seedlings.
When the task is completed one day, the end point of the operation should be recorded, so that it is convenient to continue spraying the position of the field on the next day.
Clean up the equipment and items on the day, clean and maintain the aircraft, conduct a comprehensive inspection of the plant protection drone system , check the consumption of various materials (pesticide, gasoline, batteries, etc.), and promptly replenish and record the number of acres per day. For the second day of operation, the number of flights will be the same as the total number of jobs per day.
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