CN111972198A - Hanging cabin for spraying cloud catalyst and control method thereof - Google Patents

Abstract

The invention discloses a pylon used for cloud-fog catalyst sowing and a control method thereof, comprising an outer pylon arranged on an unmanned aerial vehicle, and the outer pylon is provided with a catalyst storage compartment, a sowing device, a protective gas conveying device and a control system . The external pylon includes a skeleton, a fairing, an airborne external connector, and an aviation electrical connector; the catalyst storage compartment includes a filling port, an outlet, and an oscillator; the spreading device includes a catalyst storage compartment connection port, a servo motor, a catalyst transmission device, and Gas protection outlet; protective gas delivery device includes composite gas cylinder, valve, solenoid valve, pressure transmitter, pipeline; specific control method: start-up, gas protection, catalyst control sowing, shutdown. Compared with the prior art, the present invention has the advantages of solving the defects that the existing spreader cannot operate progressively under harsh conditions, cannot operate at ultra-low altitude, cannot precisely control the catalyst seeding dose and the catalyst outlet is easily blocked by moisture absorption.

Description

A kind of pod for cloud-fog catalyst sowing and its control method

technical field

The invention relates to the technical field of artificial weather modification, in particular to a pod used for cloud catalyst sowing and a control method thereof.

Background technique

The pod for cloud catalyst seeding is a kind of equipment for artificially affecting the weather. This equipment is used for artificial rain enhancement, artificial cloud removal, artificial fog removal and other operations in arid areas, forest fire areas or other key areas to reduce or eliminate disaster losses.

The existing artificial rain enhancement and artificial cloud removal operations mostly use the method of spreading catalyst or explosion. The spreading catalyst is mainly spread by plane or rocket. Fog generation is dangerous and difficult to eliminate fog near the ground. At present, only a few airports have adopted fog elimination operations, and artificial fog elimination lacks technical means.

At present, the Chinese patent is a hygroscopic aviation dry powder spreading device, patent number: CN201721615080.7, which is a dry powder spraying device installed on a manned aircraft, and its on-board and spraying belong to the structural design. At present, there are no studies and reports on the use of unmanned aerial vehicles mounted on and outside the cabin of manned aircraft.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art, to provide a pod for cloud-fog catalyst spreading and a control method thereof, and to provide a pod for the use of unmanned aerial vehicles to mount and take into account the extra-cabin mounting of manned aircraft Equipment and control method for sowing artificial rain enhancement, artificial cloud elimination, and artificial mist elimination catalyst.

In order to solve the above technical problems, the technical solution provided by the present invention is: a pylon for cloud catalyst spreading, comprising an outer pylon installed on the unmanned aerial vehicle, and the outer pylon is provided with a catalyst storage cabin, a spreading device, a protection A gas delivery device and a control system, the outer pylon includes a frame, a fairing, an airborne plug-in connector, an aviation electrical connector, and an air flow duct, the frame is fixedly arranged inside the fairing, and the frame penetrates one side of the fairing An on-board external connector is provided, the airflow duct is arranged on the inner bottom of the fairing, the avionics connector connects the pod and the drone through a power cable and a data cable, and the sowing device includes connecting the catalyst storage compartment The connecting port, servo motor, catalyst transmission device, and high-purity gas protection outlet, the protection gas transmission device includes a composite gas cylinder, a valve, a gas solenoid valve, an oscillating solenoid valve, a pressure transmitter, and a pipeline. The outer side of the UAV cabin is fixedly installed, and the catalyst storage compartment, the spreading device, the protective gas delivery device and the control system are all fixedly installed on the inner wall of the outer pylon to reduce the air resistance in flight.

Further, the catalyst storage compartment is installed and fixed on the top of the skeleton, one side of the catalyst storage compartment is provided with a top filling port of the flange sealing end cover, and an oscillator is installed below to vibrate and push the catalyst. The valve is connected to the control system, and the lower flange at the end opposite to the top filling port is sealed with the outlet of the catalyst storage compartment, which is used to store the cloud catalyst and keep the catalyst dry.

Further, the spreading device is installed on the lower left side of the frame, and includes a connection port that is sealingly connected to the outlet of the catalyst storage compartment, a servo motor is installed at one end of the spreading device, the catalyst transmission device adopts a conveying dragon, and both ends of the catalyst transmission device are sealed. And one end is connected to the servo motor through the shaft connector, and the lower part of the other end is provided with a high-purity gas protection outlet which is connected with the airflow duct, which is used to divert the outflow catalyst, control the outflow speed of the catalyst, adjust the speed of the catalyst sowing, and protect the catalyst from knotting at the outlet. Block blocks the outlet.

Further, the protective gas conveying device is installed on the right side under the skeleton, and includes a composite gas cylinder arranged in parallel with the spreading device. The mouth of the composite gas cylinder is provided with a valve, and a pressure transmitter and a gas Solenoid valve and oscillating solenoid valve, the pipeline is connected to the composite gas cylinder and the high-purity gas protection outlet, which is used for storing dry high-purity inert gas, controlling the gas flow rate, and the gas flow on and off.

Further, the control system is installed at the lower part of the front end of the catalyst storage compartment and above the airflow duct, and includes a servo unit and a control circuit. The control circuit is used to control the start and stop of sowing, control the speed of the servo motor, control the gas solenoid valve and the vibration. The solenoid valve starts and stops, and receives the feedback signal of the pressure transmitter; the servo unit is used for receiving the control information sent by the control circuit to control the rotation speed of the servo motor to realize quantitatively spreading the catalyst, and transmit the speed information back to the control circuit to realize closed-loop control.

A pod control method for cloud catalyst sowing, and a method for controlling a pod for cloud catalyst sowing, comprising the following operation steps:

Step 1. Start up:

Carry out the following operations as required: I. Open the gas solenoid valve; II. Open the high-purity gas protection outlet;

Step 2, sowing:

I. Open the catalyst transmission device; II. Input the speed parameter of the servo motor to adjust the catalyst seeding dose; III. Automatically open the vibration solenoid valve for a short time according to the set time to shake the catalyst powder;

Step 3, stop:

After the sowing task is completed, perform the following operations as required: I. Close the catalyst transmission device; II. Close the high-purity gas protection outlet; III. Close the gas solenoid valve.

Compared with the prior art, the present invention has the advantages that: the present invention uses the unmanned aerial vehicle to mount and takes into account the equipment and control method of artificial rain enhancement, artificial cloud elimination, and artificial mist elimination catalysts mounted outside the cabin of manned aircraft, and solves the problem of existing problems. There are some defects that the equipment cannot work in the cloud layer under bad weather conditions, cannot fly at ultra-low altitude, cannot precisely control the dosage of catalyst sowing, and the catalyst outlet is easy to absorb moisture and block.

Description of drawings

FIG. 1 is a schematic view of the internal structure of the present invention when viewed from the front.

FIG. 2 is a schematic view of the internal structure of the present invention in a side view direction.

FIG. 3 is a schematic perspective view of the overall structure of the present invention.

As shown in the picture: 1. External pylon, 2. Frame, 3. Fairing, 4. Airborne plug-in connector, 5. Avionics connector, 6. Air flow duct, 7. Catalyst storage compartment, 8. Connection port , 9, servo motor, 10, catalyst transmission device, 11, high-purity gas protection outlet, 12, composite gas cylinder, 13, valve, 15, gas solenoid valve, 16, oscillating solenoid valve, 17, pressure transmitter, 18 , pipeline, 19, control system, 20, top filling port, 21, oscillator, 22, outlet of catalyst storage compartment.

Detailed ways

In the description of the present invention, it should be understood that the terms "center", "lateral", "top", "bottom", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

The present invention will be further described in detail below in conjunction with the accompanying drawings.

A pylon for cloud catalyst sowing, characterized in that it includes an outer pylon 1 installed on an unmanned aerial vehicle, and the outer pylon 1 is provided with a catalyst storage compartment 7, a sowing device, a protective gas delivery device and a control system 19 , the outer pylon 1 includes a frame 2, a fairing 3, an airborne plug-in connector 4, an aviation electrical connector 5, and an air duct 6. The frame 2 is fixedly arranged inside the fairing 3, and the frame 2 passes through the rectification One side of the cover 3 is provided with an onboard plug-in connector 4, the airflow duct 6 is arranged at the inner bottom of the fairing 3, and the avionics connector 5 connects the hanging cabin and the drone through a power cord and a data line, so the The sowing device includes a connection port 8 connected to the catalyst storage compartment 7, a servo motor 9, a catalyst transmission device 10, and a high-purity gas protective outlet 11. The protective gas delivery device includes a composite gas cylinder 12, a valve 13, a gas solenoid valve 15, The oscillating solenoid valve 16, the pressure transmitter 17, the pipeline 18, the outer pylon 1 is fixedly installed on the outside of the drone cabin, and the catalyst storage compartment 7, the spreading device, the protective gas delivery device and the control system 19 are all fixedly installed on the On the inner wall of the outer hanger 1, the catalyst storage compartment 7 is installed and fixed on the top of the frame 2, the top filling port 20 of the flange sealing end cover is provided on one side of the catalyst storage compartment 7, and an oscillator 21 is installed below for vibrating and pushing the catalyst , the oscillator 21 is connected to the control system 19 through the oscillating solenoid valve 16, and the lower flange at the opposite end of the top filling port 20 is sealed with a catalyst storage compartment outlet 22, and the sowing device is installed on the lower left side of the frame 2. , including a connection port 8 sealed with the outlet 22 of the catalyst storage compartment, a servo motor 9 is installed at one end of the seeding device, the catalyst transmission device 10 adopts a conveying dragon, both ends of the catalyst transmission device 10 are sealed and one end is connected to the servo motor through a shaft connector The motor 9 is connected, and the lower part of the other end is provided with a high-purity gas protective outlet 11 to communicate with the airflow duct 6. The protective gas conveying device is installed on the right side under the skeleton 2, and includes a composite gas cylinder 12 arranged in parallel with the spreading device. The mouth of the composite gas cylinder 12 is provided with a valve 13, a pressure transmitter 17, a gas solenoid valve 15 and an oscillating solenoid valve 16 are sequentially installed on the pipeline 18, and the pipeline 18 is connected to the composite gas cylinder 12 and the high-purity gas protection Outlet 11, the control system 19 is installed at the lower part of the front end of the catalyst storage compartment 7 and above the airflow duct 6, including a servo unit and a control circuit, the control circuit is used to control the start and stop of sowing, control the speed of the servo motor, and control the gas electromagnetic The start and stop of the valve 15 and the oscillating solenoid valve 16, receiving the feedback signal of the pressure transmitter 17; the servo unit is used to receive the control information sent by the control circuit to control the rotation speed of the servo motor 9 to achieve quantitatively spreading the catalyst, and return the speed information. The control circuit realizes closed-loop control, which is used to control the spreading, adjust the spreading speed, and control the transmission of protective gas.

Specifically, it includes an external pylon 1 arranged on the unmanned aerial vehicle. The external pylon 1 is provided with a catalyst storage compartment 7 , a spreading device, a protective gas delivery device and a control system 19 . The external pylon 1 includes a skeleton 2, a fairing 3, an airborne external connector 4, and an avionics connector 5; the power supply, control signal and feedback signal are connected to the drone through the avionics connector 5; the catalyst storage compartment 7 includes a Nozzle, outlet, oscillator 21; oscillator 21 plays the role of vibrating and pushing catalyst, and the work of oscillator 21 is controlled by solenoid valve 16; the sowing device includes catalyst storage compartment 7 connection port 8, servo motor 9, catalyst transmission device 10 , high-purity gas protection outlet 11; the protection gas delivery device includes a composite gas cylinder 12, a valve 13, a gas solenoid valve 15, a pressure transmitter 17, and a pipeline 18; specific control methods 1. Start-up, 2. Gas protection, 3. Catalyst control sowing, 4, stop.

Preferably, the external pylon 1 includes a frame 2, a fairing 3, an on-board external connector 4, an avionics connector 5, and an air duct 6, and the on-board external connector 4 is fixed to an unmanned aerial vehicle or a manned aircraft Connection, avionics connector 5 is connected with power supply and control lines provided by unmanned aerial vehicle or manned aircraft, skeleton 2 is used to install fixed catalyst storage compartment 7, sowing device, protective gas delivery device and control system 19, fairing 3 To reduce the air resistance in flight, the airflow duct 6 is used to spread the catalyst quickly.

Preferably, the catalyst storage compartment 7 is installed on the upper layer of the framework 2, including the filling port 20 at the top with a flange sealing end cover, the oscillator 21 is installed below the filling port, and the outlet is a flange sealing connection designed to be located on the other side of the filling port. At the lower part of one end, a catalyst storage compartment 7 is used to seal and store the catalyst.

Preferably, the sowing device is arranged on the lower layer of the framework 2 and includes a connection port 8 of the catalyst storage compartment 7 connected to the outlet of the catalyst storage compartment 7 , a servo motor 9 is installed on the top of the sowing device, and both ends of the catalyst transmission device 10 are sealed and connected to the servo motor 9 . , A high-purity gas protection outlet 11 is designed at the lower part of the end opposite to the top of the seeding device to control the dosage of catalyst seeding. Before the catalyst leaves the outlet, it is in a sealed environment and protected by high-purity anhydrous gas to prevent the catalyst from absorbing moisture and agglomerating to block the outlet.

Preferably, the protective gas conveying device includes a composite gas cylinder 12 arranged side by side with the spreading device, the bottle mouth is provided with a valve 13, and a gas solenoid valve 15 and a pressure transmitter 17 are installed on the pipeline 18 to provide high-purity equipment for the equipment. Anhydrous gas ensures that the catalyst does not absorb moisture and agglomerate before sowing.

The control method of the pod used for cloud catalyst sowing, the method for controlling the pod used for cloud catalyst sowing is carried out according to the following steps:

Step 1: Power on

Do the following as prescribed:

1. Open the solenoid valve 15;

II. Open the high-purity gas protection outlet 11;

III. Open the catalyst conveying device 10;

Step 2: Adjust the spreading speed

Input the speed parameter of the servo motor, adjust the dosage of catalyst sowing, and automatically open the solenoid valve 16 for a short time according to the set time to vibrate the catalyst powder.

Step 3: Shutdown

After the sowing task is completed, perform the following operations as required:

1. Close the catalyst conveying device 10;

II. Close the high-purity gas protection outlet 11;

III. Close the solenoid valve 15 .

The present invention and its embodiments have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it, and without departing from the purpose of the present invention, any structural modes and embodiments similar to this technical solution are designed without creativity, all should belong to the protection scope of the present invention.

Claims (6)

1. a pylon for cloud catalyst spreading, it is characterized in that: comprise the outer pylon (1) that is installed on the unmanned aerial vehicle, described pylon (1) is provided with catalyst storage compartment (7), sowing device, A protective gas delivery device and a control system (19), the outer pylon (1) includes a skeleton (2), a fairing (3), an airborne plug-in connector (4), an aviation electrical connector (5), and an airflow duct (6), the frame (2) is fixedly arranged inside the fairing (3), the frame (2) is provided with an on-board plug-in connector (4) through one side of the fairing (3), and the airflow duct (6) It is arranged at the inner bottom of the fairing (3), the avionics connector (5) connects the pod and the drone through a power cable and a data cable, and the sowing device includes a connection to the catalyst storage compartment (7). A connection port (8), a servo motor (9), a catalyst transmission device (10), a high-purity gas protection outlet (11), the protection gas transmission device includes a composite gas cylinder (12), a valve (13), and a gas solenoid valve (15), oscillating solenoid valve (16), pressure transmitter (17), pipeline (18), the outer pylon (1) is fixedly installed on the outside of the drone cabin, the catalyst storage compartment (7), the sowing The device, the protective gas delivery device and the control system (19) are all fixedly installed on the inner wall of the outer hanger (1). 2. A hanging cabin for cloud catalyst spreading according to claim 1, characterized in that: the catalyst storage cabin (7) is installed and fixed on the top of the framework (2), and one side of the catalyst storage cabin (7) is There is a top filling port (20) with a flange sealing end cover, and an oscillator (21) is installed below for vibrating and pushing the catalyst, and the oscillator (21) is connected to a control system (19) through an oscillatory solenoid valve (16) A catalyst storage compartment outlet (22) is provided in a sealing connection with the lower flange at the end opposite to the top filling port (20). 3. A hanger for cloud catalyst sowing according to claim 2, characterized in that: the sowing device is installed on the left side under the skeleton (2), and comprises a A connecting port (8), a servo motor (9) is installed at one end of the spreading device, the catalyst transmission device (10) adopts a conveying dragon, both ends of the catalyst transmission device (10) are sealed and one end is connected to the servo motor (9) through a shaft connector ) is connected, and the lower part of the other end is provided with a high-purity gas protection outlet (11) that communicates with the airflow duct (6). 4. A hanger for cloud catalyst sowing according to claim 3, characterized in that: the protective gas conveying device is installed on the right side under the skeleton (2), and comprises a composite gas cylinder arranged in parallel with the sowing device (12), the mouth of the composite gas cylinder (12) is provided with a valve (13), and a pressure transmitter (17), a gas solenoid valve (15) and an oscillation solenoid valve ( 16), the pipeline (18) communicates with the composite gas cylinder (12) and the high-purity gas protection outlet (11). 5. A hanger for cloud catalyst spreading according to claim 4, characterized in that: the control system (19) is installed in the lower part of the front end of the catalyst storage compartment (7) and is located above the airflow duct (6) , including a servo unit and a control circuit, the control circuit is used to control the start and stop of sowing, control the speed of the servo motor, control the start and stop of the gas solenoid valve (15) and the oscillating solenoid valve (16), and receive the pressure transmitter (17) Feedback signal; the servo unit is used for receiving the control information sent by the control circuit to control the rotation speed of the servo motor (9) to realize quantitatively spreading the catalyst, and to transmit the rotational speed information back to the control circuit to realize closed-loop control. 6. a pod control method for cloud catalyst sowing, is characterized in that, the method for controlling the pod for cloud fog catalyst sowing comprises the following operation steps: Step 1. Start up: Carry out the following operations as required, I. Open the gas solenoid valve (15); II. Open the high-purity gas protection outlet (11); Step 2, sow: I, open the catalyst transmission device (10); II, input the speed parameter of the servo motor, and adjust the catalyst seeding dose; III. Automatically open the oscillation solenoid valve (16) for a short time according to the set time to oscillate the catalyst powder; Step 3, stop: After the sowing task is completed, the following operations are performed according to regulations: I. Close the catalyst conveying device (10); II. Close the high-purity gas protection outlet (11); III. Close the gas solenoid valve (15).

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