CN218463875U

CN218463875U - Multifunctional unmanned helicopter for forest fire extinguishing, fire fighting and freight transportation

Info

Publication number: CN218463875U
Application number: CN202222539913.3U
Authority: CN
Inventors: 张庆云; 李欣
Original assignee: South China Aircraft Industry Co Ltd of China Aviation Industry General Aircraft Co Ltd
Current assignee: South China Aircraft Industry Co Ltd of China Aviation Industry General Aircraft Co Ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-02-10
Anticipated expiration: 2032-09-23

Abstract

The utility model belongs to unmanned aerial vehicle emergency rescue field, concretely relates to forest is put out a fire, is fire control, the multi-functional unmanned helicopter of freight transportation. The remote control system comprises an aircraft body, an embedded box body, an electric control rotor wing system, a power device, a satellite navigation positioning system, a wireless receiving system, an information acquisition system, a remote control task operating system and a CPU control system; the power device, the satellite navigation positioning system, the wireless receiving system, the information acquisition system, the remote control task operating system and the CPU control system are arranged in the aircraft body; the electric control rotor system is arranged above the aircraft body; the power device is connected with the electric control rotor wing system and is used for driving the electric control rotor wing system; the embedded box body is detachably arranged in the belly below the aircraft body; an opening is formed below the embedded box body, and the remote control task operating system controls the lower opening. Can be used for forest fire extinguishing, fire fighting, cargo transportation and other functions.

Description

Multifunctional unmanned helicopter for forest fire extinguishing, fire fighting and freight transportation

Technical Field

The utility model belongs to unmanned aerial vehicle emergency rescue field, concretely relates to forest is put out a fire, is fire control, the multi-functional unmanned helicopter of freight transportation.

Background

Forest resources in China are scarce, the area occupied by people is only 1/6 of the world average value, but forest fires occur every year, the number of helicopters which can be used for forest fire extinguishment in China is short at present, and the model aging is serious.

The unmanned aerial vehicle is used for carrying out middle and low altitude fire prevention monitoring and fire extinguishing, and has the technical characteristics of high mobility, low use cost, simple maintenance and operation and the like. Current forest fire extinguishing helicopter is mostly forest fire extinguishing sprinkler apparatus, and its function mainly sprays fire extinguishing agent passively when the forest is fired, and the function is single.

SUMMERY OF THE UTILITY MODEL

The utility model provides a forest is put out a fire, is fire-fighting, the multi-functional unmanned helicopter of freight transportation can be used to multiple functions such as forest is put out a fire, is fire-fighting, freight transportation.

The technical scheme of the utility model is that:

a multifunctional unmanned helicopter for forest fire extinguishing, fire fighting and freight transportation comprises an aircraft body, an embedded box body, an electric control rotor wing system, a power device, a satellite navigation positioning system, a wireless receiving system, an information acquisition system, a remote control task operating system and a CPU control system; the full autonomy of all flight states from take-off, hovering, launching, return voyage to landing and the like can be realized.

The power device, the satellite navigation positioning system, the wireless receiving system, the information acquisition system, the remote control task operating system and the CPU control system are all arranged in the aircraft body; the satellite navigation positioning system and the wireless receiving system are respectively in communication connection with the ground station to realize position information interaction with the ground station, so that navigation positioning and unmanned helicopter deployment and control are realized; the information acquisition system is in communication connection with the ground station and is used for detecting fire, and acquiring and transmitting images and audios; the remote control task operating system is used for controlling the embedded box body to be opened; and the CPU control system is respectively in communication connection with the satellite navigation positioning system, the wireless receiving system, the information acquisition system and the remote control task operating system so as to ensure the normal operation of the system.

The electric control rotor system is arranged above the aircraft body; the power device is connected with the electric control rotor wing system and is used for driving the electric control rotor wing system; the embedded box body is detachably arranged in the belly below the aircraft body; and the lower end cover of the embedded box body is controlled to be opened through the remote task operating system.

In one possible embodiment, the aircraft body comprises a fuselage, a tail boom, a landing gear; the tail beam is horizontally and fixedly connected to the rear part of the machine body; the undercarriage is arranged below the fuselage; the electronic control rotor system is arranged above the aircraft body. The whole appearance of the machine body is simple, convenient and compact, the streamline design is adopted, the occupied space is small, and the tail beam is fine.

In one possible embodiment, the power plant is an electronically controlled power plant.

Preferably, a piston engine is used.

In one possible embodiment, the electrically controlled rotor system is a four-bladed bearingless composite material.

In one possible embodiment, the landing gear is a skid landing gear. The skid type landing gear is simple in structure and light in weight, adopts an arched beam structure, the support contacted with the ground extends downwards and outwards, is splayed, is large in grounding width, and is suitable for taking off and landing of grasslands, sandy lands, gobi, wet, slippery and soft runways and the like.

In one possible embodiment, the aircraft airframe uses carbon fiber composite.

In one possible embodiment, a plurality of limiting clamping grooves are fixedly connected to the top of the embedded box body, a convex clamping groove assembly matched with the limiting clamping grooves in number and position is arranged on the aircraft body, and the embedded box body is connected with the aircraft body through sliding fit of the limiting clamping grooves and the convex clamping groove assembly; and the opening positions at the two ends of the limiting clamping groove are provided with quick release mechanisms, and the embedded box body is locked and fixed by rotating the quick release mechanisms. So as to prevent the embedded box body from slipping off in the flying process.

In one possible embodiment, an electric control lock is arranged at the bottom opening of the embedded box body, and the opening of the electric control lock is controlled by operating the remote control task system.

In one possible embodiment, the embedded tank is a sealed water tank; the top of the sealed water tank is provided with a water inlet and an overflow port. Inside pouring water into the water tank through fire hose, when surpassing the water tank volume, unnecessary water accessible spillway hole overflows.

The utility model has the advantages that: the utility model discloses based on the severe situation of present china's forest fire prevention task, adopt streamlined design, occupation space is little, and the tail-beam is fine, and main material is carbon-fibre composite, effective load ratio. A skid type undercarriage is adopted, a piston engine is configured, an embedded water tank is arranged on the belly, and the water tank can be replaced by a freight container with the same geometric shape. The unmanned helicopter is a light unmanned helicopter with wide application, is mainly used for tasks such as forest fire extinguishing, urban fire extinguishing, cargo transportation and the like, and can quickly and accurately hover above a fire to throw water for fire extinguishing.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention. Wherein, 1 is a rotor system, 2 is a machine body, 3 is an embedded box body, 4 is a tail beam, and 5 is a skid landing gear;

fig. 2 is a schematic structural diagram of a water tank according to a preferred embodiment of the present invention. Wherein 6 is a water inlet, 7 is a quick release mechanism, 8 is an overflow hole, and 9 is a limit clamping groove;

fig. 3 is a schematic diagram of the opening mode of the water tank according to the preferred embodiment of the present invention. Wherein 10 is an electric control lock, and 11 is a water tank water feeding cabin door.

Detailed Description

The invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in figure 1, the multifunctional unmanned helicopter for forest fire fighting, fire fighting and freight transportation comprises an electric control rotor system 1, an aircraft body 2, a sealed water tank 3, a tail beam 4 and a skid type undercarriage 5, wherein a satellite navigation positioning system, a wireless receiving system, an information acquisition system, a remote control task operating system and a CPU control system are arranged inside the aircraft body 2.

As shown in fig. 2, the sealed water tank 3 comprises a water inlet 6, a quick release mechanism 7, an overflow hole 8 and a limiting clamping groove 9, water is injected into the water tank through a fire hose, and when the volume of the water tank is exceeded, redundant water can overflow through the overflow hole 8. When the water tank is loaded/unloaded, the two limit clamping grooves 9 at the bottom of the water tank are inserted into the corresponding hanging clamping groove assemblies at the lower part of the machine body, and the rotating quick-release mechanism 7 locks and fastens the water tank to prevent the water tank from slipping in the flying process.

As shown in figure 3, when the sealed water tank 3 is used for water delivery, the remote control task operating system is used for opening the electric control lock mechanism 10, and the water tank water delivery cabin door 11 is opened through the self weight of water, so that the water delivery operation is completed.

The fire-extinguishing task mode mainly comprises single-machine fire extinguishing and machine group cooperative fire extinguishing according to the fire severity. The small fire can be extinguished by a single machine and can go back and forth for many times. When the fire is serious, a plurality of machine groups can be implemented to extinguish the fire. The water tank adopts a uniform standard size, and water is filled in advance at a nearest water source. After the unmanned aerial vehicle finishes the single water injection operation, the unmanned aerial vehicle returns to the water source supply area, rapidly detaches and replaces the water tank, and rapidly executes the next water injection task.

The unmanned aerial vehicle carries out the supplementary rescue task, utilizes unmanned aerial vehicle bearing capacity, carries emergency rescue equipment, like rescue equipment, goods and materials etc. through the supplementary fire control rescue of putting out a fire of air-drop mode.

The water tank can be replaced by a freight container, the task of the unmanned aerial vehicle can be expanded to regions such as cities and mountain areas where transportation is inconvenient, and application scenes such as cargo transportation, forest surveying and city planning and designing are implemented.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A multifunctional unmanned helicopter for forest fire extinguishing, fire fighting and freight transportation is characterized by comprising an aircraft body, an embedded box body, an electric control rotor wing system, a power device, a satellite navigation positioning system, a wireless receiving system, an information acquisition system, a remote control task operating system and a CPU control system; the power device, the satellite navigation positioning system, the wireless receiving system, the information acquisition system, the remote control task operating system and the CPU control system are arranged in the aircraft body; the electric control rotor system is arranged above the aircraft body; the power device is connected with the electric control rotor wing system and is used for driving the electric control rotor wing system; the embedded box body is detachably arranged in the belly below the aircraft body; an opening is formed below the embedded box body, and the opening is formed under the control of the remote control task operating system.

2. The multifunctional unmanned helicopter for forest fire extinguishment, fire fighting and freight transportation according to claim 1, is characterized in that: the aircraft body comprises a fuselage, a tail beam and an undercarriage; the tail beam is horizontally and fixedly connected to the rear part of the machine body; the undercarriage is arranged below the fuselage; the electronic control rotor system is arranged above the aircraft body.

3. The multifunctional unmanned helicopter for forest fire extinguishing, fire fighting and freight transportation according to claim 2, is characterized in that: the landing gear is a skid landing gear.

4. The multifunctional unmanned helicopter for forest fire fighting, fire fighting and freight transportation according to claim 1, characterized in that: the top of the embedded box body is fixedly connected with a plurality of limiting clamping grooves, the aircraft body is provided with convex clamping groove assemblies matched with the limiting clamping grooves in number and position, and the embedded box body is connected with the aircraft body through the sliding fit of the limiting clamping grooves and the convex clamping groove assemblies; and the opening positions at the two ends of the limiting clamping groove are provided with quick release mechanisms, and the embedded box body is locked and fixed by rotating the quick release mechanisms.

5. The multifunctional unmanned helicopter for forest fire extinguishment, fire fighting and freight transportation according to claim 1, is characterized in that: an opening at the bottom of the embedded box body is provided with an electric control lock, and the electric control lock is controlled to be opened by operating the remote control task system.

6. The multifunctional unmanned helicopter for forest fire extinguishment, fire fighting and freight transportation according to claim 1, is characterized in that: the embedded tank body is a sealed water tank; the top of the sealed water tank is provided with a water inlet and an overflow port.