Dry powder spraying device for fire-fighting unmanned aerial vehicle

Abstract

The utility model discloses a dry powder spraying device for a fire-fighting unmanned aerial vehicle, which relates to the technical field of fire-fighting unmanned aerial vehicles and comprises an unmanned aerial vehicle, the bottom of the unmanned aerial vehicle is fixedly connected with a box body, a gland is arranged in the box body in a sliding manner, and the box body is filled with dry powder below the gland. Two metal elastic strips are arranged on the inner wall, located above the gland, of the box body, a connecting frame is fixedly connected to the bottom of the box body, and a pressurizing plate is fixedly connected to the inner wall of the top end of the connecting frame. The interior of the barrel is sealed, mercury in the barrel absorbs heat and expands to push a piston and a push rod to move after being heated, a communication plate moves, a communication hole is aligned with a pressurizing hole in a pressurizing plate, a metal elastic strip pushes a gland to move downwards, dry powder is pushed to be sprayed out of the box body from the interior of the pressurizing hole, and the dry powder is sprayed out of the box body. And the unmanned aerial vehicle can accurately carry out fire extinguishing control on a fire combustion area according to field conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire -fighting unmanned plane technical field, concretely relates to a dry powder spraying device for fire -fighting unmanned plane. BACKGROUND

[0002] Fire -fighting unmanned plane is a kind of unmanned plane specially used for fire fighting and emergency rescue, they are equipped with advanced sensors, camera and other equipment, can execute multiple tasks in fire scene, the use of fire -fighting unmanned plane improves rescue efficiency, reduces the risk of fire personnel, and can execute tasks in some dangerous environment, plays an important role.

[0003] In prior art, according to the use demand, fire -fighting unmanned plane can be remotely controlled to make fire -fighting unmanned plane have the effect of dry powder spraying auxiliary fire extinguishing when observing in fire scene, which is helpful to fire control, but remote control needs to be controlled in cooperation with auxiliary camera and sensor, and the operation cost is high, and the dry powder spraying precision of fire -fighting unmanned plane is easily affected by the interference of fire scene environment, which will affect the effect of fire control. UTILITARIAN CONTENT

[0004] In view of the above problems existing in prior art fire -fighting unmanned plane, the utility model is proposed.

[0005] Therefore, the utility model aims at providing a dry powder spraying device for fire -fighting unmanned plane, solve the problem that remote control needs to be controlled in cooperation with auxiliary camera and sensor, and the operation cost is high, and the dry powder spraying precision of fire -fighting unmanned plane is easily affected by the interference of fire scene environment, which will affect the effect of fire control.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A dry powder spraying device for fire -fighting unmanned plane, including unmanned plane, the bottom of unmanned plane is fixedly connected with box body, the inside of box body is slidably equipped with gland, the inside of box body is filled with dry powder below gland, the inner wall of box body is equipped with two metal elastic strips above gland, the bottom of box body is fixedly connected with connecting frame, the top inner wall of connecting frame is fixedly connected with booster plate, the inner wall of booster plate is equipped with a plurality of booster holes, the inner wall of connecting frame is slidably equipped with intercommunication plate below booster plate, the inner wall of intercommunication plate is equipped with a plurality of intercommunication holes, the inner wall of connecting frame is fixedly connected with cylinder, the inside of cylinder is filled with quicksilver, the inner wall of cylinder is slidably equipped with piston, the end of piston away from quicksilver is fixedly connected with push rod, the end of push rod away from piston is fixedly connected on the side wall of intercommunication plate.

[0008] Preferably, two ends of the metal elastic strip are fixedly connected with sliding blocks respectively, a sliding groove is arranged on the inner wall of the top end of the box body, the sliding blocks are slidingly arranged on the inner wall of the sliding groove, a sealing strip is fixedly connected to the bottom end side wall of the gland, and the side wall of the sealing strip is abuttingly arranged on the inner wall of the box body.

[0009] Preferably, the top end of the communication plate is fixedly connected with a sealing gasket, the communication hole in the communication plate is arranged through the sealing gasket, and the sealing gasket is tightly arranged on the bottom of the pressure-increasing plate.

[0010] Preferably, a guide groove is arranged on the inner wall of the top end of the connecting frame, a guide block is slidingly arranged on the inner wall of the guide groove of the connecting frame, and the bottom of the guide block is fixedly connected to the upper surface of the communication plate.

[0011] Preferably, the bottom of the connecting frame is fixedly connected with a heat-conducting plate, and the bottom of the heat-conducting plate is fixedly connected with a plurality of heat-conducting fins.

[0012] Preferably, a heat-conducting copper wire is wound on the side wall of the cylinder body, the heat-conducting copper wire is spirally arranged on the cylinder wall of the cylinder body, and the side wall of the heat-conducting copper wire is in contact with the heat-conducting plate.

[0013] In the above technical solution, the technical effects and advantages of the present application are provided:

[0014] 1. In the present application, the mercury in the cylinder body expands after absorbing heat, which pushes the piston and the push rod to move, moves the communication plate, aligns the communication hole with the pressure-increasing hole in the pressure-increasing plate, and pushes the gland downward to spray the dry powder from the inside of the pressure-increasing hole to the outside of the box body, so that the unmanned aerial vehicle can accurately control the fire extinguishing area according to the on-site situation.

[0015] 2. In the present application, the guide block slidingly arranged on the inner wall of the guide groove can improve the stability of the sliding communication plate, the heat-conducting fins, the heat-conducting plate and the heat-conducting copper wire can improve the heat-sensing efficiency of the cylinder body, and the dry powder spraying treatment can be more accurate and timely. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 is a structural schematic view of the present application;

[0018] Figure 2 is a structural schematic view of the present application;Figure 1 Enlarged schematic diagram of part A;

[0019] Figure 3 For the present utility model Figure 1 Enlarged schematic diagram of part B.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Drone; 2. Box body; 3. Cover; 4. Dry powder; 5. Metal elastic strip; 6. Slider; 7. Sealing strip; 8. Connecting frame; 9. Pressure plate; 10. Connecting plate; 11. Guide block; 12. Sealing gasket; 13. Sealing plug; 14. Heat-conducting fins; 15. Heat-conducting plate; 16. Cylinder; 17. Mercury; 18. Piston; 19. Push rod; 20. Heat-conducting copper wire. Detailed Implementation

[0022] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0023] This utility model discloses a dry powder spraying device for fire-fighting drones.

[0024] This utility model provides, for example Figures 1-3 The dry powder spraying device for fire-fighting drones shown includes a drone 1, a box 2 fixedly connected to the bottom of the drone 1, a pressure cover 3 slidably provided inside the box 2, dry powder 4 filled below the pressure cover 3, two metal elastic strips 5 provided on the inner wall of the box 2 above the pressure cover 3, a connecting frame 8 fixedly connected to the bottom of the box 2, a pressure plate 9 fixedly connected to the inner wall of the top of the connecting frame 8, multiple pressure holes opened on the inner wall of the pressure plate 9, a connecting plate 10 slidably provided on the inner wall of the connecting frame 8 below the pressure plate 9, multiple connecting holes opened on the inner wall of the connecting plate 10, a cylinder 16 fixedly connected to the inner wall of the connecting frame 8, mercury 17 filled inside the cylinder 16, a piston 18 slidably provided on the inner wall of the cylinder 16, a push rod 19 fixedly connected to the end of the piston 18 away from the mercury 17, and the end of the push rod 19 away from the piston 18 fixedly connected to the side wall of the connecting plate 10.

[0025] One of the metal elastic strips 5 has a slider 6 fixedly connected to both ends. The top inner wall of the box body 2 has a groove, and the slider 6 is slidably disposed on the inner wall of the groove. The bottom side wall of the pressure cover 3 is fixedly connected to a sealing strip 7, and the side wall of the sealing strip 7 is fitted against the inner wall of the box body 2. The top of the connecting plate 10 is fixedly connected to a sealing gasket 12, and the connecting hole inside the connecting plate 10 passes through the sealing gasket 12. The sealing gasket 12 is pressed tightly onto the bottom of the pressure plate 9. A threaded plug 13 is threadedly connected to the side wall of the box body 2.

[0026] In use, the unmanned aerial vehicle 1 is controlled to move to the upper air of the fire site, the mercury 17 in the sealed cylinder body 16 absorbs heat and expands to push the piston 18 and the push rod 19 to move, so that the communication plate 10 moves, the communication hole is aligned with the booster hole in the booster plate 9, the metal elastic strip 5 pushes the gland 3 to move downward, the dry powder 4 is pushed out from the inside of the booster hole to the outside of the box body 2, and the unmanned aerial vehicle can accurately control the fire extinguishing area according to the site condition, and the threaded plug 13 can ensure the sealing effect of the box body 2, and facilitate subsequent filling of dry powder, and the sealing gasket 12 can improve the sealing between the communication plate 10 and the booster plate 9.

[0027] In order to more accurately and timely carry out dry powder spraying treatment, as shown in Figures 1-3 The top end inner wall of the connecting frame 8 is provided with a guide groove, the connecting frame 8 is slidably provided with a guide block 11 on the inner wall of the guide groove, the bottom of the guide block 11 is fixedly connected to the upper surface of the communication plate 10, the bottom of the heat conduction plate 15 is fixedly connected to the bottom of the heat conduction plate 15, and a plurality of heat conduction fins 14 are fixedly connected to the side wall of the cylinder body 16.

[0028] The guide block 11 slides along the inner wall of the guide groove to improve the stability of the sliding of the communication plate 10, the heat conduction fins 14, the heat conduction plate 15 and the heat conduction copper wire 20 can improve the heat absorption efficiency of the cylinder body 16, and the dry powder spraying treatment can be more accurately and timely carried out.

[0029] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A dry powder spraying device for fire-fighting drones, comprising a drone (1), characterized in that, The bottom of the unmanned plane (1) is fixedly connected with a box body (2), the inside of the box body (2) is slidably provided with a gland (3), the inside of the box body (2) is filled with dry powder (4) below the gland (3), the inner wall of the box body (2) above the gland (3) is provided with two metal elastic strips (5), the bottom of the box body (2) is fixedly connected with a connecting frame (8), the top end inner wall of the connecting frame (8) is fixedly connected with a booster plate (9), a plurality of booster holes are formed in the inner wall of the booster plate (9), the inner wall of the connecting frame (8) below the booster plate (9) is slidably provided with a communication plate (10), a plurality of communication holes are formed in the inner wall of the communication plate (10), the inner wall of the connecting frame (8) is fixedly connected with a cylinder (16), the inside of the cylinder (16) is filled with mercury (17), the inner wall of the cylinder (16) is slidably provided with a piston (18), the end of the piston (18) away from the mercury (17) is fixedly connected with a push rod (19), the end of the push rod (19) away from the piston (18) is fixedly connected to the side wall of the communication plate (10).

2. The dry chemical powder spraying device for firefighting drones according to claim 1, characterized in that, The two ends of one of the metal elastic strips (5) are fixedly connected with sliding blocks (6), the top end inner wall of the box body (2) is provided with a sliding groove, the sliding blocks (6) are slidably arranged on the inner wall of the sliding groove, the bottom end side wall of the gland (3) is fixedly connected with a sealing strip (7), the side wall of the sealing strip (7) is abuttingly arranged on the inner wall of the box body (2). 3.The dry powder spraying device for fire-fighting drones according to claim 1, characterized in that, The top end of the communication plate (10) is fixedly connected with a sealing gasket (12), the communication holes in the inside of the communication plate (10) are arranged through the sealing gasket (12), the sealing gasket (12) is tightly arranged on the bottom of the booster plate (9), the side wall of the box body (2) is threadedly connected with a threaded plug (13).

4. The dry chemical powder spraying device for firefighting drones according to claim 1, characterized in that, The top end inner wall of the connecting frame (8) is provided with a guide groove, the connecting frame (8) is slidably provided with a guide block (11) on the inner wall of the guide groove, the bottom of the guide block (11) is fixedly connected to the upper surface of the communication plate (10). 5.The dry powder spraying device for fire-fighting drone according to claim 1, wherein The bottom of the connecting frame (8) is fixedly connected with a heat-conducting plate (15), the bottom of the heat-conducting plate (15) is fixedly connected with a plurality of heat-conducting fins (14). 6.The dry powder spraying device for fire-fighting drone according to claim 1, characterized in that, The side wall of the cylinder (16) is wound with a heat-conducting copper wire (20), the heat-conducting copper wire (20) is spirally arranged on the cylinder wall of the cylinder (16), the side wall of the heat-conducting copper wire (20) is in contact with the heat-conducting plate (15).

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