CN214408187U

CN214408187U - Airborne sampling device of aircraft

Info

Publication number: CN214408187U
Application number: CN202022986665.8U
Authority: CN
Inventors: 粟善飞; 邱西志
Original assignee: Shenzhen Yige Technology Co ltd
Current assignee: Shenzhen Yige Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-10-15
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a sampling device that aircraft machine carried, which comprises a frame, sampling subassembly and locking subassembly, sampling subassembly includes the capstan winch, first driving piece and sampling tube, the capstan winch rotates with the frame to be connected, around being equipped with the sampling tube on the capstan winch, first driving piece is connected with the capstan winch and is used for driving the capstan winch and rotates, in order to receive and release the sampling tube, the locking subassembly includes second driving piece and locking piece, the second driving piece is connected with the locking piece and is used for driving the locking piece motion, so that the locking piece inserts the spacing inslot. The utility model provides a sampling device that aircraft machine carried receive and releases the length of putting that hangs down that the sampling tube changed the sampling tube through the capstan winch, can make the aircraft take a sample at the co-altitude not, and sampling device's sample flexibility and convenient degree are high, through the locking of locking subassembly to the capstan winch, make the sampling tube can be fixed with the length of putting that hangs down of difference, and sampling device has higher sample scope and sampling precision.

Description

Airborne sampling device of aircraft

Technical Field

The utility model relates to an aircraft and sampling equipment's technical field especially relates to a sampling device that aircraft machine carried.

Background

The aircraft carries corresponding execution equipment, can replace human beings to execute various tasks in dangerous environment, seriously-polluted environment and the like, can also be applied to the fields of aerial photography, agricultural fertilization, surveying and mapping, disaster relief, water gas sampling and the like, and greatly expands the application range of the aircraft. In the correlation technique, adopt the aircraft to carry on sampling device and take a sample the sea water, because the restriction of sampling tube length and receive and release unstability, the aircraft can only take a sample in appointed altitude, and the operation is comparatively difficult, and the high wayward of sampling tube, has reduced sampling device's sampling precision.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. The utility model provides a sampling device that aircraft machine carried can adjust the sample height of aircraft, improves the convenient degree of sampling device sampling process.

According to the utility model discloses a sampling device that aircraft machine of first aspect embodiment was carried, include:

a frame for mounting the aircraft;

the sampling assembly comprises a winch, a first driving piece and a sampling tube, the winch is rotatably connected with the rack, the sampling tube is wound on the winch, the first driving piece is connected with the winch and used for driving the winch to rotate so as to receive and release the sampling tube, and the winch is provided with a plurality of limiting grooves;

the sampling container is arranged on the frame, and one end of the sampling tube is communicated with the sampling container;

and the locking assembly is arranged on the rack and comprises a second driving piece and a locking piece, and the second driving piece is connected with the locking piece and is used for driving the locking piece to move so that the locking piece is inserted into the limiting groove.

According to the utility model discloses sampling device that aircraft machine carried has following beneficial effect at least:

the embodiment of the utility model provides an airborne sampling device of aircraft receive and releases the length of putting that hangs down that the sampling tube changes the sampling tube through the capstan winch, can make the aircraft take a sample at the co-altitude, sampling device's sample flexibility and convenient degree are high to, through the locking of locking subassembly to the capstan winch, make the sampling tube can be fixed with the length of putting that hangs down of difference, sampling device can stably take a sample on required sample height, make sampling device have higher sample range and sampling precision.

According to some embodiments of the utility model, the locking subassembly still includes the elastic component, the both ends of elastic component respectively with the locking piece the second driving piece is connected, the second driving piece drives the elastic component motion, so that the elastic component supports and holds or stimulates the locking piece.

According to some embodiments of the utility model, the locking piece with the frame rotates to be connected, the one end of elastic component with the locking piece is connected, the second driving piece is used for the drive the elastic component rotates, so that the locking piece is relative the frame rotates.

According to some embodiments of the invention, a plurality of the spacing groove follows the circumference evenly distributed of capstan winch.

According to some embodiments of the utility model, the sampling subassembly still includes sampling pump and sealed cabin, the one end of sampling tube with the sampling pump is connected, the sealed cabin is internal to be integrated with wireless receiving module, wireless receiving module pass through the cable with the sampling pump is connected.

According to some embodiments of the invention, the cable can be relative the capsule or the sample pump is flexible.

According to some embodiments of the present invention, the sampling device further comprises a guiding assembly, the guiding assembly is installed on the frame, the guiding assembly comprises a third driving member and a guiding block, the guiding block is connected to the sampling tube, and the third driving member is used for driving the guiding block to move back and forth, so that the sampling tube is wound on different areas of the winch.

According to some embodiments of the invention, the guide block comprises a guide hole, and the sampling tube is inserted into the guide hole.

According to some embodiments of the present invention, the guide assembly further comprises a guide frame, the guide frame is mounted on the frame, the inner cavity of the guide frame is used for the sampling tube to pass through, the side part of the guide frame is provided with a guide rail, and the guide block is slidably connected with the guide rail.

According to some embodiments of the invention, the frame is a topology-optimized structure.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

FIG. 1 is a schematic structural view of an embodiment of the sampling device on board an aircraft of the present invention;

FIG. 2 is a schematic diagram of one embodiment of the locking assembly of FIG. 1;

fig. 3 is a schematic structural diagram of one embodiment of the guide assembly in fig. 1.

Reference numerals: frame 100, mounting post 110, bracket 120; the device comprises a sampling assembly 200, a winch 210, a limiting groove 211, a winding pipe groove 212, a first driving piece 220, a sampling pipe 230, a sampling pump 240, a sealed cabin 250 and a cable 260; a sampling container 300, a liquid inlet pipe 310, a gas outlet pipe 320 and a liquid level sensor 330; the locking assembly 400, the second driving member 410, the locking member 420, the connecting portion 421, the limiting block 422, and the elastic member 430; the guide assembly 500, the third driving member 510, the guide block 520, the guide hole 521, the guide frame 530, the guide rail 540, the first link 550, and the second link 560.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality is more than two, and if there is a description that the first and the second are only used for distinguishing technical features, it is not understood that the relative importance is indicated or implied or the number of the indicated technical features is implicitly indicated or the precedence of the indicated technical features is implicitly indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1, an embodiment of the present invention provides a sampling device on board an aircraft, including a frame 100, a sampling assembly 200, a sampling container 300 and a locking assembly 400, wherein the sampling assembly 200 is used for conveying a sample into the sampling container 300 for storage, and the locking assembly 400 is used for locking a sampling tube 230 in the sampling assembly 200, so as to maintain the stability of the sampling process of the sampling device. Specifically, the aircraft mountable is in frame 100, realize that sampling device carries on to unmanned aerial vehicle, sampling subassembly 200 includes capstan winch 210, first driving piece 220 and sampling tube 230, capstan winch 210 rotates and installs in frame 100, first driving piece 220 is connected with capstan winch 210 and is used for driving capstan winch 210 to rotate, sampling tube 230 twines on capstan winch 210, capstan winch 210 rotates the in-process and can receive and release sampling tube 230, the length that makes sampling tube 230 hang down and put in capstan winch 210 bottom changes, thereby the sample height of adjustable aircraft. The sampling container 300 is mounted on the rack 100, one end of the sampling tube 230 is connected to the sampling container 300, and the sample solution can flow into the sampling container 300 through the sampling tube 230 for storage. Referring to fig. 2, the winch 210 is provided with a plurality of limiting grooves 211, the locking assembly 400 is mounted on the rack 100, the locking assembly 400 comprises a second driving member 410 and a locking member 420, the second driving member 410 is connected with the locking member 420 and is used for driving the locking member 420 to move, the locking member 420 can be inserted into the limiting grooves 211 to lock the winch 210, the locked winch 210 does not rotate any more, and the vertical length of the sampling tube 230 is synchronously limited; after the locking member 420 exits the retaining groove 211, the winch 210 is unlocked, and the winch 210 can rotate again to store and release the sampling tube 230.

Therefore, the embodiment of the utility model provides an airborne sampling device of aircraft receive and releases the length of putting that hangs down that sampling tube 230 changes sampling tube 230 through capstan winch 210, can make the aircraft take a sample at the co-altitude, sampling device's sample flexibility and convenient degree are high, and, through locking subassembly 400 to capstan winch 210's locking, make sampling tube 230 can be fixed with the length of putting that hangs down of difference, sampling device can stably take a sample on required sampling height, make sampling device have higher sample range and sampling precision.

It should be noted that the first driving member 220 may be mounted on a side portion of the frame 100, the first driving member 220 may be a power component such as a motor, etc., and the first driving member 220 may be connected to the winch 210 through a connecting portion 421 such as a bearing, a coupling, etc. The aircraft can be a fixed wing drone, a helicopter, a multi-rotor drone or the like; the top of the frame 100 is provided with a plurality of mounting posts 110, the mounting posts 110 are used for assembling with the aircraft, and the number and the positions of the mounting posts 110 can be reasonably selected according to the installation requirements of the aircraft.

In addition, the rack 100 may adopt a topology optimization structure, relevant parameters of the rack 100 are set according to design requirements of the rack 100, such as light weight, support strength and the like, through finite element analysis software, then a final topology structure of the rack 100 is obtained through calculation, based on a topology model in the finite element analysis software, a solid structure of the rack 100 is obtained through a 3D printing mode, and corresponding components are installed on the rack 100. The rack 100 after topology optimization can greatly reduce the weight of the rack 100 when other components are installed and fixed, thereby reducing the load of the aircraft and improving the cruising ability and flight safety of the aircraft.

Specifically, rack 100 after topology optimization stretches out a plurality of supports 120 in its lateral part, makes rack 100 be the fretwork formula structure, and a plurality of supports 120 enclose and synthesize an installation space, and in this installation space was arranged in to sample container 300, the top of each support 120 all had erection column 110, and a plurality of supports 120 make up the bearing in order to guarantee the holistic structural strength of rack 100 to because rack 100 is the fretwork formula structure, very big weight that has alleviateed rack 100.

The sampling container 300 is installed in the rack 100, the sampling container 300 is communicated with a liquid inlet pipe 310, the sampling pipe 230 is communicated with the liquid inlet pipe 310, and a sample collected by the sampling pipe 230 enters the sampling container 300 through the liquid inlet pipe 310 to be stored. The sampling container 300 is further provided with an air outlet pipe 320, and when the sample solution is input into the sampling container 300, air in the sampling container 300 is discharged through the air outlet pipe 320, so that the sampling container 300 maintains a sealed state while the sampling container 300 holds the sample, thereby ensuring the quality of the sample solution. A liquid level sensor 330 is further disposed outside the sampling container 300, and the liquid level sensor 330 is used for detecting the liquid level of the sample in the sampling container 300; the liquid level sensor 330 can be an infrared sensor, an ultrasonic sensor and the like, and the liquid level sensor 330 is externally arranged, so that the quantity of the collected sample can be accurately positioned on the premise of not polluting the sample solution.

The second driving member 410 may employ a motor, a cylinder, a ball screw, or the like. The second driving member 410 can drive the locking member 420 to move linearly, and the locking member 420 can lock and release the winch 210 during the extension and retraction process; specifically, when the locking member 420 is extended, it is inserted into the corresponding stopper groove 211 to lock the capstan 210, and when the locking member 420 is retracted, it is withdrawn from the stopper groove 211 to unlock the capstan 210. As shown in fig. 1, the second driving member 410 can also drive the locking member 420 to rotate, and when the locking member 420 rotates counterclockwise, the locking member gradually approaches the winch 210 and locks the winch 210; when the locking member 420 rotates clockwise, it gradually moves away from the winch 210 and is unlocked.

Referring to fig. 1 and 2, the locking assembly 400 further includes an elastic member 430, two ends of the elastic member 430 are respectively connected to the locking member 420 and the second driving member 410, and the second driving member 410 drives the elastic member 430 to move, so that the end of the elastic member 430 abuts against or pulls the locking member 420; when the elastic member 430 abuts against the locking member 420, the locking member 420 is stably inserted into the limiting groove 211 by the elastic abutment of the elastic member 430, so that the locking member 420 continuously maintains the locking state of the winch 210, the vertical length of the sampling tube 230 is more stable, and the sampling precision of the sampling device can be improved; when the elastic member 430 pulls the locking member 420, the locking member 420 is withdrawn from the stopper groove 211, and the locking of the capstan 210 is released.

It should be noted that the elastic member 430 may be selected from a gas spring, a mechanical spring, or a spring plate structure. For example, the elastic member 430 is a gas spring, a piston rod of the gas spring is connected to the locking member 420, and the locking member 420 is supported when the piston rod extends out; the elastic member 430 may also be a mechanical spring, the second driving member 410 drives the mechanical spring to extend and retract and move, and one end of the spring is connected to the locking member 420 and abuts against the locking member 420; the elastic member 430 may also be an elastic sheet, one end of the elastic sheet is connected to the second driving member 410, the elastic sheet is driven by the second driving member 410 to move or rotate, and the other end of the elastic sheet is connected to the locking member 420 and abuts against the locking member 420.

Specifically, the locking member 420 is rotatably connected to the rack 100, and the locking member 420 can be rotated in different directions to lock and release the winch 210; the locking member 420 is configured to rotate, so that the movable range of the locking member 420 and the size of the locking member 420 can be reduced, and the structure of the locking assembly 400 can be simplified. The elastic member 430 is a spring plate, one end of the elastic member 430 is connected to the locking member 420, the other end of the elastic member 430 is connected to the second driving member 410, the second driving member 410 drives the elastic member 430 to rotate, and the elastic member 430 rotates and simultaneously drives the locking member 420 to rotate relative to the frame 100, so as to lock or release the winch 210.

In addition, the locking member 420 is provided with a connecting portion 421, the connecting portion 421 is rotatably connected to the elastic member 430, the locking member 420 rotates relative to the frame 100 when the elastic member 430 pulls the locking member 420, and the elastic member 430 rotates relative to the connecting portion 421. The elastic member 430 may be arc-shaped, and the elastic member 430 may avoid the second driving member 410, so as to avoid the interference between the elastic member 430 and the second driving member 410 and the connection portion 421, and ensure the effective connection between the elastic member 430 and the second driving member 410 and the connection portion 421.

The end of the locking member 420 is provided with a stopper 422, the stopper 422 protrudes outwards based on the side of the locking member 420, the stopper 422 may be configured in a cylindrical shape or a prismatic shape, and the stopper 422 may enter and exit the stopper groove 211, so that the locking member 420 locks and releases the capstan 210.

A plurality of limiting grooves 211 are arranged on the winch 210, and the limiting grooves 211 can surround the edge of the winch 210 along the profile of the winch 210 for a circle, so that the limiting piece can limit the whole circumference of the winch 210; the adjacent spacing grooves 211 are equally spaced to allow the length of the sampling tube 230 to be adjusted more uniformly.

Referring to fig. 2 and 3, the sampling device further includes a guiding assembly 500, the guiding assembly 500 is mounted on the rack 100, the guiding assembly 500 includes a third driving member 510 and a guiding block 520, the guiding block 520 is connected to the sampling tube 230, the third driving member 510 is used for driving the guiding block 520 to reciprocate, and the sampling tube 230 moves along the guiding block 520 to wind on different areas of the winch 210, so as to prevent the sampling tube 230 from being stacked on the same area of the winch 210, or from being knotted and wound on other parts in the winch 210.

Correspondingly, the periphery of the winch 210 is provided with a circle of pipe winding grooves 212, the pipe winding grooves 212 are used for winding the sampling pipe 230, and the sampling pipe 230 is uniformly wound inside the pipe winding grooves 212 under the driving of the guide assembly 500, so that the winding and unwinding processes of the sampling pipe 230 are smoother.

The guide assembly 500 further includes a guide frame 530, the guide frame 530 is fixedly mounted on the rack 100, the guide frame 530 is hollow for the sampling tube 230 to pass through, a guide rail 540 is disposed at a side of the guide block 520, the guide block 520 is slidably connected to the guide rail 540, and driven by the third driving member 510, the guide block 520 reciprocates along the guide rail 540. The third driving member 510 may be selected from a motor, a ball screw structure, a cylinder, an electric cylinder, etc., for driving the guide block 520 to linearly move and reciprocally translate.

The guide assembly 500 may further include a first link 550 and a second link 560, one end of the first link 550 is connected to the third driving member 510 and is driven by the third driving member 510 to rotate, and two ends of the second link 560 are respectively connected to the first link 550 and the guide block 520 to rotate; the first connecting rod 550, the second connecting rod 560 and the guiding block 520 are combined to form a crank-slider mechanism, and when the first connecting rod 550 rotates, the guiding block 520 is driven to reciprocate and translate along the guide rail 540, so that the sampling tube 230 is wound on different areas of the tube winding groove 212. By providing the first link 550 and the second link 560, the reciprocating movement of the guide block 520 is more smooth, which facilitates the uniform winding of the sampling tube 230 around the tube slot 212.

Part of the guide block 520 extends into the cavity inside the guide frame 530, the guide block 520 is provided with a guide hole 521, and the guide hole 521 is used for penetrating the sampling tube 230, so that the sampling tube 230 hangs down through the guide hole 521. The inner wall of the guiding hole 521 can guide and limit the sampling tube 230, so that the sampling tube 230 can synchronously move along with the movement of the guiding block 520, and the follow-up performance of the sampling tube 230 is high.

The locking assembly 400 may be mounted to the side of the guide frame 530 to facilitate locking of the winch 210 by the locking assembly 400 and reciprocal movement of the sampling tube 230 to make the connection of the locking assembly 400 to the sampling assembly 200 more compact.

Referring to fig. 1, the sampling assembly 200 further includes a sampling pump 240, one end of the sampling tube 230 is communicated with the liquid inlet tube 310, the other end of the sampling tube 230 is connected with the sampling pump 240, and the sampling pump 240 can sink to the water surface for sampling and pumping the seawater into the sampling tube 230. The sampling pump 240 can be selected as a submersible pump or a water pump, and water is collected through the water pump, so that the hovering stability of the aircraft cannot be influenced when the sampling amount is large.

The sampling assembly 200 further comprises a sealed chamber 250, wherein the sealed chamber 250 is filled with gas so that the sealed chamber is subjected to buoyancy greater than its gravity and floats on the water surface. A wireless receiving module (not shown) is installed in the sealed cabin 250 and is connected with the sampling pump 240 through a cable 260 so as to conveniently adjust the start and stop of the sampling pump 240; for example, the wireless receiving module receives the liquid level information of the liquid level sensor 330, and when the liquid level in the sampling container 300 reaches a specified position, the wireless receiving module stops the sampling pump 240 from sampling.

In addition, it should be noted that the sampling depth of the sampling book can be adjusted by replacing cables 260 with different lengths; alternatively, the cable 260 may be retractable relative to the capsule 250 or the sampling pump 240 to adjust the distance of the cable 260 between the capsule 250 and the sampling pump 240, thereby changing the sampling depth of the sampling pump 240. The expansion and contraction of the cable 260 can be realized by arranging a clamp to fold the cable 260 for a certain length; alternatively, a spool may be provided around which the cable 260 is wound for a length.

The flight control module in the aircraft can be wirelessly connected with the first driving element 220, the second driving element 410, the third driving element 510 and the liquid level sensor 330 through the wireless receiving module, and performs signal transmission. In the initial state, the locking assembly 400 locks the winch 210, and the aircraft carries the sampling device and flies to a predetermined place and height; the flight control module commands the second drive element 410 to move the locking element 420 to unlock the winch 210; the first driving member 220 drives the winch 210 to rotate, and the sampling tube 230 is lowered for a certain length; the first driving member 220 stops driving, and the second driving member 410 drives the locking member 420 to move again and lock the winch 210; the flight control module sends an instruction to the sampling pump 240 through the wireless receiving module, and the sampling pump 240 samples; after the sample reaches the designated liquid level of the sampling container 300 or the sampling time reaches the preset time, the liquid level sensor 330 feeds back information to the flight control module, the flight control module sends an instruction to the sampling pump 240, and the sampling pump 240 stops sampling; when the aircraft ascends to a certain height and hovers, the locking piece 420 releases the locking of the winch 210, the first driving piece 220 drives the winch 210 to rotate, and simultaneously, the third driving piece 510 drives the sampling tube 230 to reciprocate and uniformly wind in the tube winding groove 212; after the sampling tube 230 is wound, the first driving member 220 and the third driving member 510 stop driving, and the locking member 420 locks the winch 210 again; after the aircraft flies back to the starting point, the sampling container 300 is taken out from the rack 100, and sampling is completed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. Sampling device on board an aircraft, characterized in that it comprises:

a frame for mounting the aircraft;

2. The aircraft-mounted sampling device of claim 1, wherein the locking assembly further comprises an elastic member, two ends of the elastic member are respectively connected to the locking member and the second driving member, and the second driving member drives the elastic member to move, so that the elastic member abuts against or pulls the locking member.

3. The aircraft-onboard sampling device of claim 2, wherein the locking member is rotatably coupled to the frame, one end of the resilient member is coupled to the locking member, and the second driving member is configured to drive the resilient member to rotate the locking member relative to the frame.

4. A sampling device on-board an aircraft according to claim 1, wherein a plurality of the limiting grooves are evenly distributed along the circumference of the winch.

5. The aircraft-onboard sampling device of claim 1, wherein the sampling assembly further comprises a sampling pump and a sealed cabin, one end of the sampling tube is connected with the sampling pump, and a wireless receiving module is integrated in the sealed cabin and connected with the sampling pump through a cable.

6. A sampling device on-board an aircraft according to claim 5, wherein the cable is able to telescope relative to the capsule or the sampling pump.

7. The aircraft-onboard sampling device of any one of claims 1-6, further comprising a guide assembly mounted on the frame, the guide assembly including a third drive member and a guide block, the guide block being coupled to the sampling tube, the third drive member being configured to drive the guide block to reciprocate to wind the sampling tube around different areas of the winch.

8. The aircraft-onboard sampling device of claim 7, wherein the guide block includes a guide hole through which the sampling tube is disposed.

9. The aircraft-mounted sampling device of claim 7, wherein the guide assembly further comprises a guide frame mounted on the frame, the guide frame being hollow inside for the sampling tube to pass through, the guide frame having a guide rail on a side thereof, and the guide block being slidably connected to the guide rail.

10. The sampling device on-board an aircraft of any of claims 1 to 6, wherein the airframe is a topologically optimized structure.