Gas sampling device based on fire-fighting unmanned aerial vehicle

Abstract

The invention discloses a gas sampling device based on a fire-fighting unmanned aerial vehicle, the gas sampling device comprises a fire-fighting unmanned aerial vehicle body and a sampling head body, and the outer side of the fire-fighting unmanned aerial vehicle body is provided with an adjusting mechanism, a locking mechanism and a filtering mechanism. The height position of the sampling head body is adjusted by the second shell and the moving rod in an outward moving state; by arranging the locking mechanism, the position of the sampling head body is limited by a locking rod and a locking hole in a clamping state, so that the sampling head body is convenient to disassemble and assemble, the mounting stability of the sampling head body is effectively ensured, and by arranging the filtering mechanism, the sampling head body is sleeved with an air bag in an inflatable expansion state, so that the sampling head body is more stable. The filter screen and the sampling opening of the sampling head body are aligned, and the filter screen plays a role in protecting the sampling head body, so that smoke dust in ambient air is prevented from entering the sampling head body through the sampling opening of the sampling head body.

Description

Technical Field

[0001] The invention relates to a fire-fighting drone structural technology, and in particular to a gas sampling device based on a fire-fighting drone. Background Art

[0002] Firefighting drones are unmanned aerial vehicles specifically used for fire emergency rescue missions. They are equipped with various mission modules to replace or assist manual firefighting operations in high-risk environments.

[0003] The gas sampling device of the fire-fighting drone is an airborne gas collection and analysis system designed specifically for fire-fighting scenarios. Its core function is to safely obtain gas samples in dangerous environments and analyze the components in real time. The sampling head of the existing fire-fighting drone is installed on the body through a snap-on structure, and the snap-on structure is relatively simple and the installation stability is low. It is also impossible to adjust the height position of the installed sampling head, which is relatively limited in use. During the sampling process, smoke and dust in the ambient air can easily enter the interior of the sampling head through the opening of the sampling head, which will affect the normal use of the sampling head. Therefore, there is an urgent need for a gas sampling device based on a fire-fighting drone to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a gas sampling device based on a fire-fighting drone to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above object, the present invention provides the following technical solutions: A gas sampling device based on a fire-fighting drone comprises a fire-fighting drone body and a sampling head body, wherein an adjustment mechanism, a locking mechanism and a filtering mechanism are arranged on the outer side of the fire-fighting drone body; The adjusting mechanism comprises a first housing, a first electric push rod, a first slide groove, a first slider, a second housing, a second electric push rod, a second slider, a second slide groove and a moving rod; The first shell is fixedly connected to the outside of the firefighting drone body, the first electric push rod is fixedly installed inside the first shell, the first slide groove is opened on the surface of the first shell, the second shell is slidably connected to the inside of the first shell, the first slider is fixedly connected to the outside of the second shell, the second electric push rod is fixedly installed inside the second shell, the second slide groove is opened on the surface of the second shell, the moving rod is slidably connected to the inside of the second shell, and the second slider is fixedly connected to the outside of the moving rod. The first sliding block is slidably connected to the inside of the first sliding groove, and the second sliding block is slidably connected to the inside of the second sliding groove.

[0006] The output end of the first electric push rod is fixedly connected to the first sliding block, and the output end of the first electric push rod in a powered state is used to drive the second housing to move through the first sliding block.

[0007] The output end of the second electric push rod is fixedly connected to the second sliding block, and the output end of the second electric push rod in a powered state is used to drive the moving rod to move through the second sliding block.

[0008] The locking mechanism comprises a motor, a screw rod, a guide groove, a locking rod and a locking hole; The motor is fixedly installed on the outside of the moving rod, the screw rod is fixedly connected to the end of the output shaft of the motor, the guide groove is opened on one side of the moving rod, the locking rod is slidably connected to the inside of the guide groove, and the locking hole is opened in the inside of the sampling head body.

[0009] The locking rod is connected to the screw rod via a screw rod seat, and the screw rod in a rotating state is used to drive the locking rod to rotate.

[0010] The locking hole is used for the locking rod to be inserted therein, and the locking rod and the locking hole in a locked state are used to limit the position of the sampling head body.

[0011] The filtering mechanism comprises a T-shaped slot, a T-shaped block, a connecting rod, an air pipe, an air pump, a ring frame, an air bag, a filter screen and a spring; The T-slot is opened on the other side of the moving rod, the T-block is slidably connected to the inside of the T-slot, the connecting rod is fixedly connected to one side of the T-block, the air pump is fixedly installed on one side of the connecting rod, the input end of the air pipe is fixedly connected to the docking end of the air pump, the annular frame is fixedly connected to the other side of the connecting rod, the air bag is arranged on one side of the annular frame, the filter is arranged on the other side of the annular frame, the spring is fixedly installed in the inside of the T-slot, and the end of the spring is fixedly connected to the T-block.

[0012] The output end of the air delivery pipe is connected to the docking end of the airbag, and the air pump in the powered state is used to inflate the airbag through the air delivery pipe.

[0013] The airbag in an inflated state is sleeved on the outside of the sampling head body, and the filter screen is aligned with the sampling port of the sampling head body.

[0014] In the above technical scheme, the present invention provides a gas sampling device based on a fire-fighting drone, which uses an adjusting mechanism to adjust the height position of the sampling head body by the second shell and the moving rod in the outward moving state; the locking mechanism is used to limit the position of the sampling head body by the locking rod and the locking hole in the engaged state, thereby facilitating the disassembly and installation of the sampling head body and effectively ensuring the stability of the installation of the sampling head body. The filtering mechanism is used to make the airbag in the inflated state be arranged on the outside of the sampling head body, and the filter screen is aligned with the sampling port of the sampling head body. The filter screen protects the sampling head body and prevents smoke and dust in the ambient air from entering the interior of the sampling head body through the sampling port of the sampling head body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 A schematic diagram of the main structure of an embodiment of a gas sampling device based on a fire-fighting drone of the present invention.

[0017] Figure 2 A structural schematic diagram of an embodiment of a gas sampling device based on a fire-fighting drone of the present invention is provided.

[0018] Figure 3 A structural schematic diagram of an embodiment of a gas sampling device based on a fire-fighting drone of the present invention is provided.

[0019] Figure 4 A structural schematic diagram of an embodiment of a gas sampling device based on a fire-fighting drone of the present invention is provided.

[0020] Figure 5 A structural schematic diagram of an embodiment of a gas sampling device based on a fire-fighting drone of the present invention is provided.

[0021] Description of reference numerals: 1. Firefighting UAV body; 2. Sampling head body; 3. Adjustment mechanism; 301. First shell; 302. First electric push rod; 303. First slide groove; 304. First slider; 305. Second shell; 306. Second electric push rod; 307. Second slider; 308. Second slide groove; 309. Moving rod; 4. Locking mechanism; 401. Motor; 402. Screw rod; 403. Guide groove; 404. Locking rod; 405. Locking hole; 5. Filtering mechanism; 501. T-slot; 502. T-block; 503. Connecting rod; 504. Air pipe; 505. Air pump; 506. Ring frame; 507. Air bag; 508. Filter; 509. Spring. DETAILED DESCRIPTION

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

[0023] like Figure 1-5 As shown, a gas sampling device based on a fire-fighting drone provided in an embodiment of the present invention comprises a fire-fighting drone body 1 and a sampling head body 2, and an adjustment mechanism 3, a locking mechanism 4 and a filtering mechanism 5 are arranged on the outer side of the fire-fighting drone body 1; The adjusting mechanism 3 includes a first housing 301, a first electric push rod 302, a first slide slot 303, a first slider 304, a second housing 305, a second electric push rod 306, a second slider 307, a second slide slot 308 and a moving rod 309; The first shell 301 is fixedly connected to the outside of the fire-fighting drone body 1, the first electric push rod 302 is fixedly installed inside the first shell 301, the first slide groove 303 is opened on the surface of the first shell 301, the second shell 305 is slidably connected to the inside of the first shell 301, the first slider 304 is fixedly connected to the outside of the second shell 305, the second electric push rod 306 is fixedly installed inside the second shell 305, the second slide groove 308 is opened on the surface of the second shell 305, the moving rod 309 is slidably connected to the inside of the second shell 305, and the second slider 307 is fixedly connected to the outside of the moving rod 309.

[0024] Working principle: when the sampling head body 2 needs to be installed, first insert one end of the sampling head body 2 into the inside of the moving rod 309, then connect the motor 401 to power and run, so that the output shaft of the running motor 401 drives the screw rod 402 to rotate, and the screw rod 402 in the rotating state drives the locking rod 404 to move along the track of the guide groove 403, then the locking rod 404 in the moving state to the inside of the moving rod 309 is inserted into the locking hole 405, and the locking rod 404 in the engaged state and the locking hole 405 limit the position of the sampling head body 2, and then the installation of the sampling head body 2 is completed, so that the sampling head body 2 can be easily disassembled and installed through this structure, and the stability of the installation of the sampling head body 2 can be effectively guaranteed; The first electric push rod 302 is powered on and operated, so that the output end of the first electric push rod 302 in the operating state drives the first slider 304 to move along the track of the first slide groove 303, and the first slider 304 in the moving state drives the second housing 305 to move to the outside of the first housing 301, and then the second electric push rod 306 is powered on and operated, so that the output end of the second electric push rod 306 in the operating state drives the second slider 307 to move along the track of the second slide groove 308, and the second slider 307 in the moving state drives the moving rod 309 to move to the outside of the second housing 305, and the second housing 305 and the moving rod 309 in the outward moving state adjust the height position of the sampling head body 2; By pulling the T-shaped block 502 downward along the track of the T-shaped slot 501, the T-shaped block 502 in the downward moving state stretches the spring 509, and the airbag 507 in the downward moving state moves the airbag 507 away from the sampling head body 2, and then loosening the T-shaped block 502, so that the spring 509 in the reset state drives the T-shaped block 502 and the airbag 507 to move upward, and then the air pump 505 is powered on and operated, so that the air pump 505 in the running state is operated through the air delivery pipe. 504 inflates the airbag 507, and the airbag 507 is expanded by the air, so that the airbag 507 in the inflated state is sleeved on the outside of the sampling head body 2, and the inner wall of the airbag 507 in the inflated state is tightly fitted with the outer wall of the sampling head body 2, and the filter net 508 is aligned with the sampling port of the sampling head body 2, and the filter net 508 has a protective effect on the sampling head body 2, preventing smoke and dust in the ambient air from entering the interior of the sampling head body 2 through the sampling port.

[0025] Preferably, the first slider 304 is slidably connected to the inside of the first sliding groove 303 , and the second slider 307 is slidably connected to the inside of the second sliding groove 308 .

[0026] Specifically in this embodiment, the first slider 304 in the moving state drives the second housing 305 to move outside the first housing 301 , and the second slider 307 in the moving state drives the moving rod 309 to move outside the second housing 305 .

[0027] Preferably, the output end of the first electric push rod 302 is fixedly connected to the first slider 304 , and the output end of the first electric push rod 302 in the powered state is used to drive the second housing 305 to move through the first slider 304 .

[0028] Specifically in this embodiment, the output end of the first electric push rod 302 in the running state drives the first slider 304 to move along the track of the first slide groove 303, and the first slider 304 in the moving state drives the second housing 305 to move outside the first housing 301.

[0029] Preferably, the output end of the second electric push rod 306 is fixedly connected to the second slider 307 , and the output end of the second electric push rod 306 in the powered state is used to drive the moving rod 309 to move through the second slider 307 .

[0030] Specifically in this embodiment, the output end of the second electric push rod 306 in the running state drives the second slider 307 to move along the track of the second slide groove 308, and the second slider 307 in the moving state drives the moving rod 309 to move outside the second housing 305.

[0031] Preferably, the locking mechanism 4 includes a motor 401, a screw rod 402, a guide groove 403, a locking rod 404 and a locking hole 405; The motor 401 is fixedly installed on the outside of the moving rod 309, the screw rod 402 is fixedly connected to the end of the output shaft of the motor 401, the guide groove 403 is opened on one side of the moving rod 309, the locking rod 404 is slidably connected to the inside of the guide groove 403, and the locking hole 405 is opened inside the sampling head body 2.

[0032] Specifically, in this embodiment, one end of the sampling head body 2 is first inserted into the interior of the moving rod 309, and then the motor 401 is powered on to operate, so that the output shaft of the running motor 401 drives the screw rod 402 to rotate, and the rotating screw rod 402 drives the locking rod 404 to move along the trajectory of the guide groove 403, and then the locking rod 404 in the moving state to the interior of the moving rod 309 is inserted into the locking hole 405, and the locking rod 404 in the engaged state and the locking hole 405 limit the position of the sampling head body 2, and then the sampling head body 2 is installed. Therefore, this structure facilitates the disassembly and installation of the sampling head body 2, and effectively ensures the stability of the installation of the sampling head body 2.

[0033] Preferably, the locking rod 404 is connected to the screw rod 402 via a screw rod seat, and the screw rod 402 in a rotating state is used to drive the locking rod 404 to rotate.

[0034] Specifically in this embodiment, the motor 401 is powered on and operated, so that the output shaft of the running motor 401 drives the screw rod 402 to rotate, and the rotating screw rod 402 drives the locking rod 404 to move along the trajectory of the guide groove 403.

[0035] Preferably, the locking hole 405 is used for the locking rod 404 to be inserted therein, and the locking rod 404 and the locking hole 405 in the engaged state are used to limit the position of the sampling head body 2 .

[0036] Specifically in this embodiment, the locking rod 404 in the state of moving toward the inside of the moving rod 309 is inserted into the locking hole 405, and the locking rod 404 in the engaged state and the locking hole 405 limit the position of the sampling head body 2, and the sampling head body 2 is installed.

[0037] Preferably, the filter mechanism 5 includes a T-shaped slot 501, a T-shaped block 502, a connecting rod 503, an air pipe 504, an air pump 505, an annular frame 506, an air bag 507, a filter screen 508 and a spring 509; The T-slot 501 is opened on the other side of the moving rod 309, the T-block 502 is slidably connected to the inside of the T-slot 501, the connecting rod 503 is fixedly connected to one side of the T-block 502, the air pump 505 is fixedly installed on one side of the connecting rod 503, the input end of the air supply pipe 504 is fixedly connected to the docking end of the air pump 505, the annular frame 506 is fixedly connected to the other side of the connecting rod 503, the air bag 507 is arranged on one side of the annular frame 506, the filter screen 508 is arranged on the other side of the annular frame 506, and the spring 509 is fixedly installed inside the T-slot 501, and the end of the spring 509 is fixedly connected to the T-block 502.

[0038] In the specific embodiment, the T-shaped block 502 is first pulled downward along the track of the T-shaped slot 501, and the T-shaped block 502 in the downward moving state stretches the spring 509, and the airbag 507 in the downward moving state moves the airbag 507 away from the sampling head body 2, and then the T-shaped block 502 is loosened, so that the spring 509 in the reset state drives the T-shaped block 502 and the airbag 507 to move upward, and then the air pump 505 is powered on to operate, so that the air pump 505 in the operating state passes When the air supply pipe 504 inflates the airbag 507, the airbag 507 is expanded by the air, so that the inflated airbag 507 is sleeved on the outside of the sampling head body 2, and the inner wall of the inflated airbag 507 is tightly fitted with the outer wall of the sampling head body 2, and the filter net 508 is aligned with the sampling port of the sampling head body 2. The filter net 508 protects the sampling head body 2 and prevents smoke and dust in the ambient air from entering the interior of the sampling head body 2 through the sampling port.

[0039] Preferably, the output end of the air supply pipe 504 is connected to the docking end of the airbag 507 , and the air pump 505 in a powered state is used to inflate the airbag 507 through the air supply pipe 504 .

[0040] Specifically in this embodiment, the air pump 505 is powered on and operated, so that the air pump 505 in operation inflates the airbag 507 through the air pipe 504 .

[0041] Preferably, the airbag 507 in an inflated state is sleeved on the outside of the sampling head body 2 , and the filter screen 508 is aligned with the sampling port of the sampling head body 2 .

[0042] Specifically in this embodiment, the airbag 507 in the inflated state is sleeved on the outside of the sampling head body 2, and the inner wall of the airbag 507 in the inflated state is tightly fitted with the outer wall of the sampling head body 2, and the filter 508 is aligned with the sampling port of the sampling head body 2, and the filter 508 has a protective effect on the sampling head body 2.

[0043] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A gas sampling device based on a firefighting drone, characterized in that: It comprises a firefighting drone body (1) and a sampling head body (2), wherein an adjustment mechanism (3), a locking mechanism (4) and a filtering mechanism (5) are arranged on the outside of the firefighting drone body (1); The adjustment mechanism (3) comprises a first housing (301), a first electric push rod (302), a first slide groove (303), a first slider (304), a second housing (305), a second electric push rod (306), a second slider (307), a second slide groove (308) and a moving rod (309); The first shell (301) is fixedly connected to the outer side of the fire-fighting drone body (1); the first electric push rod (302) is fixedly installed inside the first shell (301); the first slide groove (303) is opened on the surface of the first shell (301); the second shell (305) is slidably connected to the inside of the first shell (301); the first slider (304) is fixedly connected to the outer side of the second shell (305); the second electric push rod (306) is fixedly installed inside the second shell (305); the second slide groove (308) is opened on the surface of the second shell (305); the moving rod (309) is slidably connected to the inside of the second shell (305); and the second slider (307) is fixedly connected to the outer side of the moving rod (309).

2. A gas sampling device based on a firefighting drone according to claim 1, characterized in that: The first sliding block (304) is slidably connected to the inside of the first sliding groove (303), and the second sliding block (307) is slidably connected to the inside of the second sliding groove (308).

3. A gas sampling device based on a firefighting drone according to claim 1, characterized in that: The output end of the first electric push rod (302) is fixedly connected to the first slider (304), and the output end of the first electric push rod (302) in a powered state is used to drive the second housing (305) to move via the first slider (304).

4. A gas sampling device based on a firefighting drone according to claim 1, characterized in that: The output end of the second electric push rod (306) is fixedly connected to the second slider (307), and the output end of the second electric push rod (306) in a powered state is used to drive the moving rod (309) to move via the second slider (307).

5. The gas sampling device based on a firefighting drone according to claim 1 is characterized in that: The locking mechanism (4) comprises a motor (401), a screw rod (402), a guide groove (403), a locking rod (404) and a locking hole (405); The motor (401) is fixedly mounted on the outside of the moving rod (309), the screw rod (402) is fixedly connected to the end of the output shaft of the motor (401), the guide groove (403) is opened on one side of the moving rod (309), the locking rod (404) is slidably connected to the inside of the guide groove (403), and the locking hole (405) is opened inside the sampling head body (2).

6. A gas sampling device based on a firefighting drone according to claim 5, characterized in that: The locking rod (404) is connected to the screw rod (402) via a screw rod seat, and the screw rod (402) in a rotating state is used to drive the locking rod (404) to rotate.

7. The gas sampling device based on a firefighting drone according to claim 5 is characterized in that: The locking hole (405) is used for the locking rod (404) to be inserted therein, and the locking rod (404) and the locking hole (405) in a locked state are used to limit the position of the sampling head body (2).

8. The gas sampling device based on a firefighting drone according to claim 1 is characterized in that: The filtering mechanism (5) comprises a T-shaped slot (501), a T-shaped block (502), a connecting rod (503), an air pipe (504), an air pump (505), an annular frame (506), an air bag (507), a filtering net (508) and a spring (509); The T-shaped slot (501) is opened on the other side of the moving rod (309); the T-shaped block (502) is slidably connected to the inside of the T-shaped slot (501); the connecting rod (503) is fixedly connected to one side of the T-shaped block (502); the air pump (505) is fixedly installed on one side of the connecting rod (503); the input end of the air delivery pipe (504) is fixedly connected to the butt end of the air pump (505); the annular frame (506) is fixedly connected to the other side of the connecting rod (503); the air bag (507) is arranged on one side of the annular frame (506); the filter net (508) is arranged on the other side of the annular frame (506); the spring (509) is fixedly installed in the inside of the T-shaped slot (501); and the end of the spring (509) is fixedly connected to the T-shaped block (502).

9. A gas sampling device based on a firefighting drone according to claim 8, characterized in that: The output end of the air delivery pipe (504) is connected to the docking end of the air bag (507), and the air pump (505) in a powered state is used to inflate the air bag (507) through the air delivery pipe (504).

10. A gas sampling device based on a firefighting drone according to claim 8, characterized in that: The airbag (507) in an inflated state is sleeved on the outside of the sampling head body (2), and the filter screen (508) is aligned with the sampling port of the sampling head body (2).

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