A fire extinguishing bomb delivery device mounted on a drone

Abstract

A fire-extinguishing bomb delivery device mounted on a drone comprises a delivery rack, on which there are evenly distributed delivery cavities with upper openings and capable of continuously placing multiple fire-extinguishing bombs, for placing fire-extinguishing bombs; two connecting rods are symmetrically installed on the top surface of the delivery rack through quick-release parts for connecting the drone; a rotatable delivery basket is installed on the bottom surface of the delivery rack corresponding to each delivery cavity outlet through a connecting rack, the delivery basket is semi-cylindrical, and a driving device is installed at one end of the connecting rack, and the output shaft of the driving device is connected to the central axis of one end of the delivery basket, for driving the delivery basket to rotate for delivering the fire-extinguishing bomb. The beneficial effect is that since there are evenly distributed delivery cavities with upper openings and capable of continuously placing multiple fire-extinguishing bombs on the delivery rack, the fire-extinguishing bomb delivery device has a large loading capacity, and the delivery basket can be controlled to rotate through the driving device according to the fire situation, so as to deliver a single fire or deliver multiple fire-extinguishing bombs at the same time, and the fire-extinguishing effect is good.

Description

Technical Field

[0001] The invention relates to a delivery device, and in particular to a fire extinguishing bomb delivery device mounted on an unmanned aerial vehicle. Background Art

[0002] Fire bombs are a common fire-fighting equipment, mainly divided into sand and stone fire bombs and dry powder fire bombs. At present, the fire bombs on the market are mainly dry powder. Most of the existing drone-mounted fire bomb delivery devices can only deliver one fire bomb; since the fire extinguishing area of ​​a single fire bomb is only 20 square meters, it has limited effect in actual application and is difficult to achieve a quick and effective fire extinguishing effect. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a fire extinguishing bomb delivery device mounted on a drone with a large loading capacity, capable of delivering multiple fire extinguishing bombs at the same time and having a good fire extinguishing effect.

[0004] The technical solution of the present invention is:

[0005] A fire extinguishing bomb delivery device mounted on a drone comprises a delivery rack, on which a plurality of delivery cavities with upper ends open and capable of continuously placing a plurality of fire extinguishing bombs are evenly distributed around the circumference, and are used to place the fire extinguishing bombs; two connecting rods are symmetrically installed on the top surface of the delivery rack through quick-release parts, and are used to connect the drone;

[0006] A rotatable delivery basket is installed on the bottom surface of the delivery rack corresponding to each delivery cavity outlet through a connecting rack. The delivery basket is semi-cylindrical, and a driving device is installed at one end of the connecting rack. The output shaft of the driving device is connected to the central axis of one end of the delivery basket to drive the delivery basket to rotate for delivering the fire extinguishing bomb.

[0007] As a further preference, the delivery rack comprises an upper guardrail and a lower guardrail arranged up and down, and four groups of vertical plates are evenly connected circumferentially between the upper guardrail and the lower guardrail through connecting corner pieces, each group of vertical plates consists of four and encloses a delivery cavity, the inner diameter of the delivery cavity is slightly larger than the outer diameter of the fire extinguishing bomb to be delivered.

[0008] As a further preference, a control panel and a receiver are respectively provided on and below the lower railing, the signal input end of the control panel is connected to the receiver, and the signal output end of the control panel is respectively connected to the electric adjustment of each driving device, for controlling the start-up of each driving device according to the received receiver signal; the receiver is used to wirelessly receive the signal sent by the remote control.

[0009] As a further preference, the control board includes a motherboard, on which a receiver interface, an MCU, an optocoupler isolation chip, a CAN chip, an EMI filter, a DC-DC isolated power supply and a DC-DC chip are arranged, the signal output end of the receiver is connected to the receiver interface through a signal line, the receiver interface is connected to the signal input end of the MCU, the signal output end of the MCU is connected to the electric adjustment signal input end of each driving device through the optocoupler isolation chip, the CAN chip and the EMI filter in turn, for controlling the rotation of the motor of each driving device; the output end of the DC-DC isolated power supply is electrically connected to the receiver interface, the optocoupler isolation chip and the CAN chip, respectively, for converting the connected 24V power supply into a 5V power supply to power the receiver interface, the optocoupler isolation chip and the CAN chip; the power output end of the DC-DC isolated power supply is converted into a 3.3V power supply through the DC-DC chip and connected to the power input end of the MCU, for providing working power for the MCU.

[0010] As a further preference, the MCU adopts a STM32F103C8T6 single chip microcomputer.

[0011] As a further preference, the optical coupling isolation chip adopts 6N137, which is used to isolate the output control signal of the MCU from the control signal of the electric regulator.

[0012] As a further preference, the CAN chip adopts a VP232 chip, which is used to convert the 0-3.3V of the MCU into ±2.5V in the CAN communication protocol.

[0013] As a further preference, the driving device includes a reduction motor, and the electric regulator is respectively provided at the bottom surface of the delivery rack corresponding to each reduction motor, and the electric regulator is respectively connected to the corresponding reduction motor through a power line and a data line for controlling the operation of each reduction motor.

[0014] As a further preference, the arc-shaped cylindrical wall of the delivery basket and the end plates at both ends are hollow.

[0015] The beneficial effect of the present invention is that since a plurality of delivery cavities with upper ends open and capable of continuously placing a plurality of fire extinguishing bombs are evenly distributed on the delivery rack, the fire extinguishing bomb delivery device has a large loading capacity, and the delivery basket can be controlled to rotate by a driving device according to the fire situation, thereby delivering a single fire extinguishing bomb or delivering a plurality of fire extinguishing bombs simultaneously, achieving a good fire extinguishing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 yes Figure 1 Left view of .

[0018] Figure 3 yes Figure 1 Bottom view of .

[0019] Figure 4 It is a three-dimensional structural diagram of the present invention.

[0020] Figure 5 This is the circuit block diagram of the control board.

[0021] In the figure: delivery rack 1, delivery chamber 2, fire extinguishing bomb 3, connecting rod 4, quick release part 5, control board 6, coupling 7, reduction motor 8, delivery basket 9, connecting rack 10, upper guardrail 11, vertical board 12, lower guardrail 13, power cord 14, electric adjustment 15, receiver 16, 24V power interface 17, receiver interface 18, DC-DC isolated power supply 19, DC-DC chip 20, MCU 21, optical coupler isolation chip 22, CAN chip 23, EMI filter 24, electric adjustment signal interface 25, electric adjustment power interface 26. DETAILED DESCRIPTION

[0022] like Figure 1-Figure 4 As shown, the present invention relates to a fire extinguishing bomb delivery device mounted on a drone, comprising a delivery rack 1, on which a plurality of delivery cavities 2 with upper ends open and capable of continuously placing a plurality of fire extinguishing bombs 3 are evenly distributed around the delivery rack 1, for placing the fire extinguishing bombs 3; this embodiment takes four delivery cavities 2 as an example. Two connecting rods 4 are symmetrically installed on the top surface of the delivery rack 1 through two pairs of quick-release parts 5, for connecting the drone.

[0023] The delivery rack 1 includes an upper guardrail 11 and a lower guardrail 13 arranged up and down, and four groups of vertical plates 12 are evenly connected circumferentially between the upper guardrail 11 and the lower guardrail 13 through connecting corner pieces. Each group of vertical plates 12 has four evenly distributed circumferentially and enclose a delivery cavity 2, and the inner diameter of the delivery cavity 2 is slightly larger than the outer diameter of the fire extinguishing bomb to be delivered.

[0024] A connecting frame 10 is fixed by screws at the bottom of the lower railing 13 of the delivery frame 1 at the outlet of each delivery chamber 2. A rotatable delivery basket 9 is installed on each connecting frame 10 through a bearing. The delivery basket 9 is semi-cylindrical, and the arc-shaped cylinder wall and the end plates at both ends of each delivery basket 9 are hollow. A driving device is installed at one end of each connecting frame 10. The output shaft of the driving device is connected to the central axis of one end of the delivery basket 9 through a coupling 7, which is used to drive the delivery basket 9 to rotate to deliver the fire extinguishing bomb.

[0025] The driving device includes a reduction motor 8 fixed at one end of the connecting frame 10, and the reduction motor 8 is an M2006 P36 DC brushless reduction motor. A C610 electric regulator 15 is adhered to the bottom surface of the lower railing 13 of the delivery rack 1 corresponding to each reduction motor 8. The electric regulator 15 is connected to the corresponding reduction motor 8 through a power line and a data line, and is used to control the operation of each reduction motor 8.

[0026] A control panel 6 and a receiver 16 are provided on and below the lower railing 13, respectively. The signal input end of the control panel 6, i.e., the receiver interface 18, is connected to the receiver 16, and the signal output end of the control panel 6 is respectively connected to the electric adjustment 15 of each driving device, so as to control the start of each driving device according to the received receiver signal; the receiver 16 is used to wirelessly receive the signal sent by the remote control.

[0027] like Figure 5 As shown, the control board 6 includes a motherboard, on which a 24V power supply interface 17, a receiver interface 18, an MCU21, an optical coupling isolation chip 22, a CAN chip 23, an EMI filter 24, a DC-DC isolation power supply 19 and a DC-DC chip 20 as well as four electric adjustment power supply interfaces 26 and an electric adjustment signal interface 25 are provided. The signal output end of the receiver is connected to the receiver interface 18 through a signal line, and the receiver interface 18 is connected to the signal input end of the MCU21. The signal output end of the MCU21 is connected to each electric adjustment signal interface 25 through the optical coupling isolation chip 22, the CAN chip 23 and the EMI filter 24 in turn, and each electric adjustment signal interface 25 is connected to the corresponding electric adjustment signal input end through a signal line, so as to control the rotation of the motor of each driving device. The output end of the DC-DC isolated power supply 19 is electrically connected to the receiver interface 18, the optical coupler isolation chip 22 and the CAN chip 23 respectively, and is used to convert the connected 24V power supply into a 5V power supply to power the receiver interface 18, the optical coupler isolation chip 22 and the CAN chip 23; the power output end of the DC-DC isolated power supply 19 is converted into a 3.3V power supply by the DC-DC chip 20 and connected to the power input end of the MCU 21, and is used to provide working power for the MCU 21. The DC-DC chip 20 adopts AMS1117-3.3, the 24V power interface 17 is electrically connected to the battery of the drone through the power line 14, and the power output end of the 24V power interface 17 is electrically connected to the power input end of the DC-DC isolated power supply 19 and the four electric adjustment power interfaces 26 respectively, and the four electric adjustment power interfaces 26 are electrically connected to the corresponding electric adjustment power input ends.

[0028] The MCU 21 adopts the STM32F103C8T6 single-chip microcomputer; the optical coupler isolation chip 22 adopts 6N137, which is used to isolate the output control signal of the MCU from the control signal of the electric adjustment. The CAN chip 23 adopts the VP232 chip, which is used to convert the 0-3.3V of the MCU into ±2.5V in the CAN communication protocol. The electric adjustment power supply interface 26 adopts XT30U, and the electric adjustment signal interface 25 adopts GH1.25.

[0029] When in use, three fire extinguishing bombs 3 are respectively loaded into each delivery cavity 2, and the fire extinguishing bomb at the bottom falls into the delivery basket 9, and the delivery device is connected to the drone through the connecting rod 4. After the delivery device flies to the designated position with the drone, the operator sends a control signal with the remote controller, receives the signal through the receiver, and outputs the control voltage to the MCU of the control board. The control signal sent by the MCU is processed by the optical coupling isolation chip, the CAN chip and the EMI filter 24 and then transmitted to the electric adjustment of each reduction motor 8. The electric adjustment controls the motor to drive the delivery basket 9 to rotate one circle. After the delivery basket 9 rotates one circle, the fire extinguishing bomb at the bottom is released, and the fire extinguishing bomb at the top drops one bomb position. In this way, all the fire extinguishing bombs can be delivered.

[0030] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A fire extinguishing bomb delivery device mounted on an unmanned aerial vehicle, comprising a delivery rack, characterized in that: The delivery rack is evenly distributed on the circumference with multiple delivery cavities with open upper ends and capable of continuously placing multiple fire extinguishing bombs, for placing fire extinguishing bombs; two connecting rods are symmetrically installed on the top surface of the delivery rack through quick-release parts for connecting the drone; A rotatable delivery basket is installed at the bottom surface of the delivery rack corresponding to each delivery cavity outlet through a connecting rack. The delivery basket is semi-cylindrical. A driving device is installed at one end of the connecting rack. The output shaft of the driving device is connected to the central axis of one end of the delivery basket to drive the delivery basket to rotate and deliver the fire extinguishing bomb. The arc-shaped cylinder wall of the delivery basket and the end plates at both ends are hollow.

2. The fire extinguishing bomb delivery device mounted on a drone according to claim 1 is characterized in that: The delivery rack includes an upper guardrail and a lower guardrail arranged up and down, and four groups of vertical plates are evenly connected circumferentially between the upper guardrail and the lower guardrail through connecting corner pieces. Each group of vertical plates has four vertical plates and encloses a delivery cavity, and the inner diameter of the delivery cavity is slightly larger than the outer diameter of the fire extinguishing bomb to be delivered.

3. The fire extinguishing bomb delivery device mounted on an unmanned aerial vehicle according to claim 2 is characterized in that: A control panel and a receiver are provided on and below the lower railing, respectively. The signal input end of the control panel is connected to the receiver, and the signal output end of the control panel is connected to the electric adjustment of each driving device, respectively, for controlling the start of each driving device according to the received receiver signal; The receiver is used for wirelessly receiving the signal sent by the remote controller.

4. The fire extinguishing bomb delivery device mounted on a drone according to claim 3 is characterized in that: The control board includes a motherboard, on which a receiver interface, an MCU, an optical coupler isolation chip, a CAN chip, an EMI filter, a DC-DC isolation power supply and a DC-DC chip are arranged. The signal output end of the receiver is connected to the receiver interface through a signal line, and the receiver interface is connected to the signal input end of the MCU. The signal output end of the MCU is connected to the electric adjustment signal input end of each driving device through the optical coupler isolation chip, the CAN chip and the EMI filter in sequence, so as to control the rotation of the motor of each driving device; the output end of the DC-DC isolation power supply is electrically connected to the receiver interface, the optical coupler isolation chip and the CAN chip respectively, so as to convert the connected 24V power supply into a 5V power supply, so as to supply power to the receiver interface, the optical coupler isolation chip and the CAN chip; The power output of the DC-DC isolated power supply is converted into a 3.3V power supply through a DC-DC chip and connected to the power input of the MCU to provide working power for the MCU.

5. The fire extinguishing bomb delivery device mounted on an unmanned aerial vehicle according to claim 4 is characterized in that: The MCU adopts STM32F103C8T6 single chip microcomputer.

6. The fire extinguishing bomb delivery device mounted on a drone according to claim 4 is characterized in that: The optical coupler isolation chip adopts 6N137, which is used to isolate the output control signal of the MCU from the control signal of the electric regulator.

7. The fire extinguishing bomb delivery device mounted on an unmanned aerial vehicle according to claim 4 is characterized in that: The CAN chip adopts VP232 chip, which is used to convert 0-3.3V of MCU into ±2.5V in CAN communication protocol.

8. The fire extinguishing bomb delivery device mounted on an unmanned aerial vehicle according to claim 3 is characterized in that: The driving device includes a reduction motor, and the electric regulator is respectively provided at the bottom surface of the delivery rack corresponding to each reduction motor. The electric regulator is respectively connected to the corresponding reduction motor through a power line and a data line for controlling the operation of each reduction motor.

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