CN112393233A

CN112393233A - Last smog machine burner of plant protection unmanned aerial vehicle

Info

Publication number: CN112393233A
Application number: CN202011398680.9A
Authority: CN
Inventors: 唐小华
Original assignee: Wuhu Fast Mantis Intelligent Equipment Co ltd
Current assignee: Wuhu Fast Mantis Intelligent Equipment Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-02-23

Abstract

The invention discloses a combustion device for a smog machine on a plant protection unmanned aerial vehicle, which relates to the technical field of smog machines and comprises a fuel tank and a combustion mechanism, wherein the combustion mechanism comprises a combustion spray head, a spray pipe, a metal pipe and an electronic igniter, the metal pipe surrounds the spray pipe in the axial direction, and a bent part is arranged right in front of the end part of the spray pipe; the fuel tank is in an inverted state with a downward opening, one end of the fixed joint is provided with a first one-way valve, one end of the first one-way valve is provided with a pressure regulating valve, and one end of the pressure regulating valve is provided with a second one-way valve. The invention does not need to continuously use the electric energy of the unmanned aerial vehicle, thereby improving the power and the working efficiency of the unmanned aerial vehicle; the heating effect of the heating spiral pipe is ensured by adopting inverted vaporization combustion; the pressure regulating valve can regulate pressure to ensure that the pressure value of the liquid fuel coming out of the fuel tank is stable, and the pesticide spraying effect is improved.

Description

Last smog machine burner of plant protection unmanned aerial vehicle

Technical Field

The invention relates to the technical field of smoke machines, in particular to a combustion device for a smoke machine on a plant protection unmanned aerial vehicle.

Background

The aerosol sprayer is also called a smog pesticide sprayer, is a machine for making the mixture of pesticide and water into smog, apply medicine to crops, fertilize, because of having fabulous penetrability and diffusibility, obtain fine application in modern agriculture, combine aerosol sprayer and unmanned aerial vehicle to have better application prospect, obtained extensive popularization in recent years, generally adorn aerosol sprayer on unmanned aerial vehicle to the pest control and the high-efficient fertilizer spraying of plants such as cotton, wheat, rice, crops such as maize, warmhouse booth crop, fruit tree, forest, tea garden. At present, fuel in a fuel tank of a smoke sprayer needs to be heated firstly, so that the fuel is changed into a gaseous state from a liquid state, and the subsequent heating effect on a heating spiral pipe can be influenced due to insufficient air supply caused by the fact that butane gas cannot be vaporized in time in a natural state; and because the fuel pressure value is unstable due to the temperature change, the heating effect on the heating spiral pipe is influenced by the sudden rise and the sudden fall of the fuel pressure during the combustion of the fuel, and the pesticide spraying effect is finally influenced.

Disclosure of Invention

The invention aims to provide the combustion device for the smog machine on the plant protection unmanned aerial vehicle in order to solve the problems.

The invention realizes the purpose through the following technical scheme:

the utility model provides a plant protection unmanned aerial vehicle goes up combustion apparatus for smog machine, including fuel jar and combustion mechanism, the fuel jar is connected with combustion mechanism, combustion mechanism includes the burning nozzle, the spray tube, tubular metal resonator and electronic igniter, the spray tube is cylindricly, the burning nozzle is installed in the one end of spray tube and is stretched into the inside of spray tube, the side-mounting of spray tube has the tubular metal resonator, the tubular metal resonator surrounds in the axial direction of spray tube, the tubular metal resonator is located the spray tube tip and is equipped with the flexion in the dead ahead, be equipped with first weld part between a side of spray tube and the tubular metal resonator, be equipped with the second weld part between another side of spray tube and the tubular metal resonator, tubular metal resonator one end and the opening fixed connection of burning nozzle side, the tubular metal resonator other end is connected with the connecting pipe, the one end that the; the fuel tank is in an inverted state with a downward opening, a fixed joint is arranged on the opening of the fuel tank, a buckle is arranged on the fixed joint and is connected with the opening of the fuel tank in a clamping mode, a first one-way valve is arranged at one end of the fixed joint, a pressure regulating valve is arranged at one end of the first one-way valve, an electromagnetic valve is arranged at one end of the pressure regulating valve, a second one-way valve is arranged at one end of the electromagnetic valve, one end of the second one-way valve is connected with the electromagnetic valve through a connecting pipe, and the other.

Advantageously, the bend is V-shaped or U-shaped or W-shaped.

Preferably, the mounting head is provided with a thread.

Preferably, the electronic lighter is provided with a lead, one end of the lead is connected with the electronic lighter, and the other end of the lead is connected with the ignition switch.

Preferably, the fuel tank is butane or gasoline.

Preferably, the side surface of the spray pipe is provided with vent holes close to the combustion spray head, the number of the vent holes is more than three, and the vent holes surround the side surface of the spray pipe.

Preferably, the first welding part and the second welding part both extend from the end part of the spray pipe far away from the combustion nozzle to the position close to the vent hole.

Preferably, the nozzle tube and the metal tube are both made of stainless steel or copper material.

The working principle of the invention is that a combustion mechanism is matched with a nut through an installation head and is installed on a rear cover of a combustion chamber, an electronic igniter is connected with an ignition switch and a storage battery through a lead, the end part of a heating spiral pipe close to the rear cover is connected with a water tank, the other end of the heating spiral pipe extends out of a front cover and is provided with an atomizing nozzle, one side of the atomizing nozzle is connected with one end of a pesticide conveying pipe, and the other end of the pesticide conveying pipe is connected with a pesticide box; one end of the rear cover is provided with a fan, and the fan can provide oxygen for fuel combustion and can also cool components in the combustion chamber; one end of the metal pipe extending out of the rear cover is sequentially connected with one end of a second one-way valve, one end of an electromagnetic valve, one end of a pressure regulating valve and one end of a first one-way valve through connecting pipes, the other end of the first one-way valve is fixedly connected with a fixed joint, the fixed joint is connected with an opening of a fuel tank in a clamping mode through a buckle, and the fuel tank is in an inverted state with a downward opening; liquid fuel in the fuel tank loops through first check valve, the air-vent valve, solenoid valve and second check valve get into the tubular metal resonator and spout from the combustion nozzle, the pressure value that the air-vent valve guaranteed liquid fuel is in stable state, ignite the burning through electronic ignition ware to the fuel from combustion nozzle spun, the combustion nozzle heats the flexion to the tubular metal resonator and makes the liquid fuel in the tubular metal resonator vaporize into gaseous fuel, the heat that relies on the spray tube can preheat the liquid fuel in the tubular metal resonator and gaseous fuel continues to heat, guarantee the stable gaseous fuel of combustion nozzle blowout.

The invention has the beneficial effects that: the newly designed combustion device does not need to continuously use the electric energy of the unmanned aerial vehicle, improves the power and the working efficiency of the unmanned aerial vehicle, ensures that one pesticide spraying task can be smoothly completed, and saves time and labor; the liquid fuel from the fuel tank enters the metal tube firstly by adopting inverted vaporization combustion, the metal tube is directly heated by the combustion nozzle to vaporize the liquid fuel into gaseous fuel, and the gaseous fuel is sprayed out from the combustion nozzle and combusted to ensure the heating effect of the heating spiral tube; the first welding part can preheat liquid fuel in the metal pipe through heat on the spray pipe, and the second welding part can reheat fuel which is heated into gaseous state by the combustion nozzle in the metal pipe through heat on the spray pipe, so that the liquid fuel is enabled to be stably changed into the gaseous fuel; the pressure regulating valve can regulate the pressure to ensure that the pressure value of the liquid fuel coming out of the fuel tank is stable, so that the subsequent gaseous fuel with the stable pressure value is sprayed out of the combustion nozzle to provide guarantee, the heating spiral pipe is continuously and stably heated, and the pesticide spraying effect is improved; and the pressure value of liquid fuel can be changed as required to the air-vent valve, satisfies different burning user demands.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the installation of the present invention.

Wherein: 1. a fuel tank; 2. fixing the joint; 3. a first check valve; 4. a pressure regulating valve; 5. a second one-way valve; 6. a connecting pipe; 7. a wire; 8. a mounting head; 9. a combustion nozzle; 10. a vent hole; 11. a nozzle; 12. a first weld; 13. a second weld; 14. an electronic igniter; 15. a metal tube; 16. a bending section; 17. a nut; 18. a rear cover; 19. a combustion chamber; 20. heating the spiral tube; 21. a pesticide delivery pipe; 22. a front cover; 23. an atomizing nozzle; 24. an electromagnetic valve.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1, the present invention includes a fuel tank 1 and a combustion mechanism, and the fuel tank 1 is connected to the combustion mechanism. The fuel tank 1 is filled with butane or gasoline, and in this embodiment, the fuel tank 1 is filled with butane. The combustion mechanism comprises a combustion nozzle 9, a spray pipe 11, a metal pipe 15 and an electronic igniter 14. The nozzle 11 and the metal pipe 15 are made of stainless steel or copper material, and in this embodiment, the nozzle 11 and the metal pipe 15 are made of stainless steel material. The nozzle 11 is cylindrical. The combustion nozzle 9 is mounted at one end of a lance 11 and extends into the interior of the lance 11. The side of the lance 11 is fitted with a metal tube 15, the metal tube 15 surrounding the lance 11 in the axial direction. The metal pipe 15 is provided with a bent portion 16 directly in front of the end portion of the nozzle 11, the bent portion 16 may be V-shaped, U-shaped, or W-shaped, and in the present embodiment, the bent portion 16 is U-shaped. A first welded portion 12 is provided between one side surface of the nozzle 11 and the metal pipe 15. A second welding part 13 is arranged between the other side surface of the spray pipe 11 and the metal pipe 15. The side surface of the spray pipe 11 is provided with vent holes 10 near the combustion nozzle 9, the number of the vent holes 10 is more than three, and the vent holes 10 surround the side surface of the spray pipe 11. Both the first weld 12 and the second weld 13 extend from the end of the lance 11 remote from the combustion nozzle 9 to a position close to the vent 10. One end of the metal pipe 15 is fixedly connected with the opening on the side surface of the combustion nozzle 9, and the other end of the metal pipe 15 is connected with the connecting pipe 6. And a mounting head 8 is arranged at one end of the combustion nozzle 9 far away from the spray pipe 11, and threads are arranged on the mounting head 8. An electronic igniter 14 is arranged at one end of the spray pipe 11 far away from the combustion nozzle 9, a lead 7 is arranged on the electronic igniter 14, one end of the lead 7 is connected with the electronic igniter 14, and the other end of the lead 7 is connected with an ignition switch. The fuel tank 1 is in an inverted state with the opening facing downward. The opening of the fuel tank 1 is provided with a fixed joint 2. The fixed joint 2 is provided with a buckle which is connected with the opening of the fuel tank 1 in a clamping way. One end of the fixed joint 2 is provided with a first one-way valve 3, one end of the first one-way valve 3 is provided with a pressure regulating valve 4, one end of the pressure regulating valve 4 is provided with an electromagnetic valve 24, one end of the electromagnetic valve 24 is provided with a second one-way valve 5, one end of the second one-way valve 5 is connected with the electromagnetic valve 24 through a connecting pipe 6, and the other end of the second one-way valve 5 is connected with the metal pipe 15 through the connecting pipe 6.

As shown in fig. 1 and 2, the installation and working process is that the combustion mechanism is installed on the rear cover 18 of the combustion chamber 19 by the matching of the installation head 8 and the nut 17, the electronic igniter 14 is connected with the ignition switch and the storage battery by the lead 7, the end part of the heating spiral pipe 20 close to the rear cover 18 is connected with the water tank, the other end of the heating spiral pipe 20 extends out of the front cover 22 and is provided with an atomizing nozzle 23, one side of the atomizing nozzle 23 is connected with one end of a pesticide conveying pipe 21, and the other end of the pesticide conveying pipe 21 is connected with the pesticide box; a fan is arranged at one end of the rear cover 18, and can provide oxygen for fuel combustion and cool components in the combustion chamber 19; one end of the metal tube 15 extending out of the rear cover 18 is sequentially connected with one end of a second one-way valve 5, an electromagnetic valve 24, a pressure regulating valve 4 and a first one-way valve 3 through a connecting tube 6, the other end of the first one-way valve 3 is fixedly connected with a fixed joint 2, the fixed joint 2 is clamped and connected with an opening of the fuel tank 1 through a buckle, and the fuel tank 1 is in an inverted state with a downward opening; the liquid fuel in the fuel tank 1 sequentially enters the metal tube 15 through the first check valve 3, the pressure regulating valve 4, the electromagnetic valve 24 and the second check valve 5 and is sprayed out from the combustion nozzle 9, the pressure regulating valve 4 ensures that the pressure value of the liquid fuel is in a stable state, the fuel sprayed out from the combustion nozzle 9 is ignited and combusted through the electronic igniter 14, the combustion nozzle 9 heats the bending part 16 of the metal tube 15 to enable the liquid fuel in the metal tube 15 to be vaporized into gaseous fuel, the liquid fuel in the metal tube 15 can be preheated by means of the heat of the spray pipe 11, the gaseous fuel continues to be heated, and the stable gaseous fuel sprayed out by the combustion nozzle 9 is ensured.

The above are only preferred embodiments of the present invention, and do not limit the scope of the claims of the present invention. Those skilled in the art will appreciate that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The utility model provides a last smog machine burner of plant protection unmanned aerial vehicle, includes fuel jar and burning mechanism, the fuel jar is connected its characterized in that with burning mechanism: the combustion mechanism comprises a combustion nozzle, a spray pipe, a metal pipe and an electronic igniter, wherein the spray pipe is cylindrical, the combustion nozzle is installed at one end of the spray pipe and extends into the spray pipe, the metal pipe is installed on the side surface of the spray pipe and surrounds the spray pipe in the axial direction, a bent part is arranged right ahead of the end part of the spray pipe of the metal pipe, a first welding part is arranged between one side surface of the spray pipe and the metal pipe, a second welding part is arranged between the other side surface of the spray pipe and the metal pipe, one end of the metal pipe is fixedly connected with an opening on the side surface of the combustion nozzle, the other end of the metal pipe is connected with a connecting pipe, an installing head is arranged at one end of the combustion nozzle; the fuel tank is in an inverted state with a downward opening, a fixed joint is arranged on the opening of the fuel tank, a buckle is arranged on the fixed joint and is connected with the opening of the fuel tank in a clamping mode, a first one-way valve is arranged at one end of the fixed joint, a pressure regulating valve is arranged at one end of the first one-way valve, an electromagnetic valve is arranged at one end of the pressure regulating valve, a second one-way valve is arranged at one end of the electromagnetic valve, one end of the second one-way valve is connected with the electromagnetic valve through a connecting pipe, and the other.

2. The combustion device for the smog machine of the plant protection unmanned aerial vehicle as claimed in claim 1, wherein: the bent part is V-shaped, U-shaped or W-shaped.

3. The combustion device for the smog machine of the plant protection unmanned aerial vehicle as claimed in claim 1, wherein: the mounting head is provided with threads.

4. The combustion device for the smog machine of the plant protection unmanned aerial vehicle as claimed in claim 1, wherein: the electronic lighter is provided with a lead, one end of the lead is connected with the electronic lighter, and the other end of the lead is connected with the ignition switch.

5. The combustion device for the smog machine of the plant protection unmanned aerial vehicle as claimed in claim 1, wherein: and butane or gasoline is filled in the fuel tank.

6. The combustion device for the smog machine of the plant protection unmanned aerial vehicle as claimed in claim 1, wherein: the side of the spray pipe is provided with vent holes close to the combustion spray head, and the number of the vent holes is more than three and the vent holes surround the side of the spray pipe.

7. The combustion device for the smog machine of the plant protection unmanned aerial vehicle of claim 6, wherein: the first welding part and the second welding part both extend from the end part of the spray pipe far away from the combustion nozzle to the position close to the vent hole.

8. A combustion apparatus for a plant protection unmanned aerial vehicle smoke machine according to any one of claims 1-7, wherein: the spray pipe and the metal pipe are both made of stainless steel or copper materials.