CN117890165B - High-altitude air body collector based on unmanned aerial vehicle - Google Patents
High-altitude air body collector based on unmanned aerial vehicle Download PDFInfo
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- CN117890165B CN117890165B CN202410289245.4A CN202410289245A CN117890165B CN 117890165 B CN117890165 B CN 117890165B CN 202410289245 A CN202410289245 A CN 202410289245A CN 117890165 B CN117890165 B CN 117890165B
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- 230000007246 mechanism Effects 0.000 claims abstract description 131
- 238000005070 sampling Methods 0.000 claims abstract description 108
- 238000004891 communication Methods 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
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- 241000255749 Coccinellidae Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
- B64U10/13—Flying platforms
- B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
- G01N2001/2279—Atmospheric sampling high altitude, e.g. rockets, balloons
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- Sampling And Sample Adjustment (AREA)
Abstract
The application discloses an unmanned aerial vehicle-based high-altitude gas collector, which comprises an unmanned aerial vehicle, a shell, a partition plate, a sealing plate, a plurality of connecting assemblies, a plurality of sampling bags, a driving mechanism, a communication mechanism, a sampling mechanism and a plurality of check blocks, wherein the shell is arranged on the unmanned aerial vehicle, and a plurality of rectangular holes formed in the outer wall of the shell are respectively clamped with a plugging block; a partition plate is provided in the housing for dividing a space in the housing into a plurality of first accommodation chambers and one second accommodation chamber, and the second accommodation chamber is disposed at a position intermediate the plurality of first accommodation chambers; the sealing plate is arranged on the partition plate and fixedly connected with the inner wall of the shell, and a plurality of concave holes are formed in the sealing plate; a connection assembly and a sampling bag are disposed in each of the plurality of first receiving chambers. Therefore, residual gas samples in the sampling mechanism can be timely removed, and the accuracy of the detection result is ensured, so that the accuracy of workers in analyzing and reading the detection result is ensured, and a powerful guarantee is provided for effective implementation of follow-up prevention measures.
Description
Technical Field
The application relates to the technical field of atmospheric sampling, in particular to a high-altitude air body collector based on an unmanned aerial vehicle.
Background
With the acceleration of the industrialization process, the atmospheric pollution problem is increasingly serious, and serious threat is caused to the health and ecological environment of human beings. In order to effectively monitor and evaluate the atmospheric pollution condition, preventive measures are timely taken, and a pollutant sample or a polluted high-altitude gas sample in the atmosphere needs to be collected frequently so as to obtain basic data of the atmospheric pollution.
In recent years, the rapid development of unmanned aerial vehicle technology has provided new solutions for high-altitude gas collection. The unmanned aerial vehicle has the advantages of simplicity and convenience in operation, low cost, high flexibility and the like, and can perform high-altitude operation in complex and changeable environments, so that high-altitude gas can be rapidly collected.
However, existing high-altitude gas sampling robots have some problems in collecting gas samples: in the collection process, the unmanned aerial vehicle needs to fly to a designated area, and air samples are conveyed to the collectors through the air pump, if a plurality of areas need to be collected, the air pumps are respectively communicated with the collectors, so that after the samples of one area are collected, the air samples of the current area can be remained in the air pumps, after the unmanned aerial vehicle flies to the next area, the air pumps can convey the residual gas samples to the new collectors, the samples collected in the current area can be doped with the gas samples of the previous area, deviation of detection results can be caused, and judgment of staff and treatment of follow-up prevention measures are affected.
Disclosure of Invention
The present application aims to solve at least one of the technical problems in the related art to some extent.
Therefore, one purpose of the application is to provide an unmanned aerial vehicle-based high-altitude gas collector which can timely remove residual gas samples in a sampling mechanism, and ensure the accuracy of detection results, so that the accuracy of staff in analyzing and reading the detection results is ensured, and a powerful guarantee is provided for effective implementation of follow-up prevention measures.
In order to achieve the above objective, an embodiment of a first aspect of the present application provides an aeroid collector based on an unmanned aerial vehicle, which includes an unmanned aerial vehicle, a housing, a partition board, a sealing board, a plurality of connection assemblies, a plurality of sampling bags, a driving mechanism, a communication mechanism, a sampling mechanism and a plurality of stoppers, wherein the housing is arranged on the unmanned aerial vehicle, and a plurality of rectangular holes formed in the outer wall of the housing are respectively blocked with a blocking block; the partition plate is arranged in the shell and is used for dividing a space in the shell into a plurality of first accommodating cavities and one second accommodating cavity, and the second accommodating cavity is arranged at the middle position of the plurality of first accommodating cavities; the sealing plate is arranged on the partition plate and fixedly connected with the inner wall of the shell, and a plurality of concave holes are formed in the sealing plate; the first accommodating cavities are respectively provided with a connecting component and a sampling bag, one end of the connecting component is communicated with the concave holes, the other end of the connecting component is detachably connected with the sampling bags, and the connecting component is used for limiting the flowing direction of sampled gas; the driving mechanism is arranged in the second accommodating cavity and is rotationally connected with the inner wall of the shell, and the driving mechanism is used for driving the communication mechanism to rotate; the communication mechanism is connected with the driving mechanism, is arranged above the sealing plate, and one end of the communication mechanism can be clamped in the concave hole; the plurality of stop blocks are uniformly distributed on the shell, and the stop blocks are used for forcing the communication mechanism to rotate in the process of abutting and communicating the communication mechanism with the corresponding connecting assembly so as to change the flowing direction of sampling gas in the communication mechanism; the sampling mechanism is arranged on the driving mechanism, one end of the sampling mechanism is rotationally connected with the communication mechanism, and the sampling mechanism is used for conveying the sampling gas into the corresponding connecting assembly through the rotated communication mechanism and storing the sampling gas in the corresponding sampling bag; the sampling mechanism and the driving mechanism are respectively connected with a controller and a power supply system in the unmanned aerial vehicle.
According to the unmanned aerial vehicle-based high-altitude gas collector provided by the embodiment of the application, when the communication mechanism is not contacted with the stop block, the sampling mechanism can be controlled to extract sampling gas in a designated area and discharge the sampling gas into the communication mechanism, and the sampling gas is discharged through the side wall of the communication mechanism so as to remove residual gas in the sampling mechanism, if the communication mechanism is in butt joint communication with a corresponding concave hole under the action of the driving mechanism, the communication mechanism is indicated to be forced to complete rotation under the action of the stop block, at the moment, the sampling gas can be conveyed into a corresponding connecting assembly through the rotated communication mechanism and stored in a corresponding sampling bag, and at the moment, the collected gas sample is more accurate, so that the accuracy of a subsequent detection result is ensured, and a powerful guarantee is provided for the effective implementation of a subsequent prevention and treatment measure.
In addition, the unmanned aerial vehicle-based high-altitude gas collector provided by the application can also have the following additional technical characteristics:
In one embodiment of the application, the connecting assembly comprises a connecting pipe and a one-way valve, wherein one end of the connecting pipe is communicated with the concave hole, the other end of the connecting pipe is detachably connected with the sampling bag, and the connecting pipe is arranged in the corresponding first accommodating cavity; the one-way valve is arranged on the connecting pipe.
In one embodiment of the application, the driving mechanism comprises a motor and a disc, wherein the motor is arranged in the second accommodating cavity, and an output shaft of the motor penetrates through the sealing plate to be fixedly connected with the disc; the disc is rotatably connected with the inner wall of the shell, and the disc is arranged above the sealing plate.
In one embodiment of the application, the communication mechanism comprises a first pipe body, a second pipe body, a first plugging plate, a second plugging plate, a torsion spring, two sleeves, a pushing block and a rubber head, wherein the first pipe body is fixedly connected with the disc, one end of the first pipe body is arranged above the disc, the other end of the first pipe body is arranged below the disc, and two groups of symmetrically arranged first rectangular array holes are formed in the outer wall of the first pipe body; the second pipe body is rotationally connected with the first pipe body, the second pipe body is arranged above the disc, two groups of second rectangular array holes which are symmetrically arranged are formed in the outer wall of the second pipe body, and the first rectangular array holes and the second rectangular array holes are communicated with each other; the outer walls of the first pipe body and the second pipe body are respectively fixedly connected with the sleeve; the first plugging plate is fixed in the second pipe body; the second plugging plates are fixed in the first pipe body, the second plugging plates are attached to the first plugging plates in a cross staggered mode, the first plugging plates and the second plugging plates are in an 8-shaped mode, and the first plugging plates and the second plugging plates which are arranged in the cross staggered mode are used for sealing the bottom end of the second pipe body; the torsion springs are sleeved on the outer walls of the first pipe body and the second pipe body, and two ends of each torsion spring are respectively inserted into the corresponding sleeve; the rubber head is coated on the outer wall of the bottom end of the first pipe body, the rubber head is arranged below the disc, and the diameter of the rubber head is larger than the aperture of the concave hole.
In one embodiment of the application, the sampling mechanism comprises a sampling pump and a third pipe body, wherein the sampling pump is arranged on the disc, and the air outlet end of the sampling pump is communicated with the third pipe body; one end of the third pipe body, which is far away from the sampling pump, is rotationally connected with the second pipe body.
In one embodiment of the application, the application further comprises a standpipe and a filter housing, wherein one end of the standpipe is communicated with the air inlet end of the sampling pump, and the other end of the standpipe is fixedly connected with the filter housing.
In one embodiment of the application, the stop block is provided with a groove, and a roller is rotatably connected in the groove.
Additional aspects and advantages of the application 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 application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural view of a high-altitude gas collector based on an unmanned aerial vehicle according to an embodiment of the present application;
FIG. 2 is a schematic top view of a bulkhead to housing connection according to an embodiment of the application;
FIG. 3 is a schematic view showing an internal structure of a housing according to an embodiment of the present application;
FIG. 4 is a schematic view showing a connection structure of a sealing plate and a recess hole according to an embodiment of the present application;
FIG. 5 is a schematic view of a communication mechanism according to an embodiment of the present application;
FIG. 6 is an enlarged schematic view of the area A of FIG. 5 according to one embodiment of the present application;
fig. 7 is a schematic view showing the internal structures of the first pipe body and the second pipe body according to an embodiment of the present application.
As shown in the figure: 1. unmanned plane; 2. a housing; 3. a partition plate; 4. a sealing plate; 5. a connection assembly; 6. a sampling bag; 7. a driving mechanism; 8. a communication mechanism; 9. a sampling mechanism; 10. a stop block; 11. a standpipe; 12. a filter cover; 20. a first accommodation chamber; 21. a second accommodation chamber; 22. a block; 40. concave holes; 50. a connecting pipe; 51. a one-way valve; 70. a motor; 71. a disc; 80. a first tube body; 81. a second tube body; 82. a first plugging plate; 83. a second blocking plate; 84. a torsion spring; 85. a sleeve; 86. a pushing block; 87. a rubber head; 90. a sampling pump; 91. a third tube body; 800. a first rectangular array of holes; 810. and a second rectangular array of holes.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
The following describes a high-altitude air collector based on an unmanned aerial vehicle according to an embodiment of the present application with reference to the accompanying drawings.
As shown in fig. 1 to 7, the unmanned aerial vehicle-based high-altitude gas collector according to the embodiment of the present application may include an unmanned aerial vehicle 1, a housing 2, a partition 3, a sealing plate 4, a plurality of connection assemblies 5, a plurality of sampling bags 6, a driving mechanism 7, a communication mechanism 8, a sampling mechanism 9, and a plurality of stoppers 10.
The casing 2 is disposed on the unmanned aerial vehicle 1, and a plugging block 22 is respectively clamped in a plurality of rectangular holes (not shown in the figure) formed in the outer wall of the casing 2.
It should be noted that, the plurality of rectangular holes described in this embodiment are respectively arranged in one-to-one correspondence with the plurality of first accommodating cavities 20, so that the rectangular holes are conveniently plugged by using the plugging blocks 22 to limit and protect the sampling bag 6.
The partition plate 3 is provided in the housing 2, the partition plate 3 serves to partition a space in the housing 2 into a plurality of first accommodation chambers 20 and one second accommodation chamber 21, and the second accommodation chamber 21 is disposed at a position intermediate the plurality of first accommodation chambers 20.
It should be noted that, in the embodiment, the partition plate 3 is integrally formed by a plurality of risers and a tube body, and the plurality of risers are respectively disposed around the tube body array, where the number of the first accommodating cavities 20 may be set according to practical situations, for example, the number of the first accommodating cavities 20 may be 3,4, 5, etc., which is not limited herein specifically.
The sealing plate 4 is arranged on the partition plate 3, the sealing plate 4 is fixedly connected with the inner wall of the shell 2, and a plurality of concave holes 40 are formed in the sealing plate 4.
A coupling assembling 5 and a sampling bag 6 have been arranged respectively in a plurality of first holding chamber 20, and coupling assembling 5's one end and shrinkage pool 40 intercommunication, coupling assembling 5's the other end and sampling bag 6 can dismantle the connection, and coupling assembling 5 is used for restricting the circulation direction of gas after the sampling.
Furthermore, it should be noted that the flowing direction of the sampled gas is from top to bottom under the action of the connecting component 5, so that the sampled gas can only enter the sampling bag 6 and cannot reversely flow back to the connecting component 5 from the sampling bag 6, and the leakage of the sampled gas is avoided.
The actuating mechanism 7 sets up in the second holds the chamber 21, and actuating mechanism 7 rotates with the inner wall of casing 2 to be connected, and actuating mechanism 7 is used for driving the communication mechanism 8 and rotates, and communication mechanism 8 is connected with actuating mechanism 7, and communication mechanism 8 arranges in the top of closing plate 4, and but the one end joint of communication mechanism 8 is in shrinkage pool 40.
The plurality of stoppers 10 are uniformly distributed on the housing 2, and the stoppers 10 are used for forcing the communication mechanism 8 to rotate during the process of abutting and communicating the communication mechanism 8 with the corresponding connecting assembly 5, so as to change the flowing direction of the sampling gas in the communication mechanism 8.
It should be noted that, in the embodiment described in this application, the communication mechanism 8 is forced to rotate, the sampling gas in the communication mechanism 8 is discharged from the side wall of the communication mechanism 8 before rotation, and the sampling gas in the communication mechanism 8 is discharged from the bottom end of the communication mechanism 8 after rotation, so that in the process that the driving mechanism 7 drives the communication mechanism 8 to rotate circumferentially, the stop 10 blocks the communication mechanism 8, and the communication mechanism 8 is forced to rotate, so as to change the flowing direction of the sampling gas.
The sampling mechanism 9 is arranged on the driving mechanism 7, one end of the sampling mechanism 9 is rotationally connected with the communication mechanism 8, and the sampling mechanism 9 is used for conveying sampling gas into the corresponding connecting assembly 5 through the rotated communication mechanism 8 and storing the sampling gas in the corresponding sampling bag 6.
The sampling mechanism 9 and the driving mechanism 7 are respectively connected with a controller and a power supply system in the unmanned aerial vehicle 1.
It should be noted that, in this example, the unmanned aerial vehicle 1 may include a frame, a flight control system, a propulsion system, a remote controller, a remote control signal receiver, a landing leg, and a power supply system, where the flight control system includes sensors (which may be set according to practical situations) such as a controller, a gyroscope, an accelerometer, and a barometer, the unmanned aerial vehicle 1 is just to rely on these sensors to stabilize the body, and in combination with GPS (Global Positioning System ) and barometer data, the unmanned aerial vehicle may be locked at a specified position and height, the propulsion system includes a paddle and a motor, when the paddle rotates, a reaction force may be generated by the propulsion system, and the power supply system is an energy source of the unmanned aerial vehicle, including a battery and a circuit protection and management circuit related to the battery, and since the flight control system, the propulsion system, the remote controller, the remote control signal receiver, the landing leg, and the power supply system all belong to the prior art, and the electrical connection relationship among each other, the flight control system, the remote control signal receiver, and the power supply system also belong to the prior art, where the remote control signal receiver is connected to the controller, i.e. the remote control signal receiver and the remote control signal transmitter 7 is driven by the remote control mechanism and the remote control signal transmitter 7.
Specifically, when the high-altitude gas is actually sampled, the related personnel control the unmanned aerial vehicle 1 to fly to the appointed area, then start the sampling mechanism 9 to operate, the sampling mechanism 9 will collect the high-altitude gas in the appointed area, transmit the sampled gas to the communication mechanism 8, and exhaust the gas through the side wall of the communication mechanism 8, so that the gas remained before the sampling mechanism 9 is removed, and only the gas in the appointed area is stored in the sampling mechanism 9.
Then the communication mechanism 8 is driven to rotate through the driving mechanism 7 according to a preset angle (which can be set according to actual conditions), the communication mechanism 8 is contacted with the stop block 10 in the following rotation process, under the action of the stop block 10, the communication mechanism 8 is forced to rotate, and when the communication mechanism 8 is communicated with the corresponding concave hole 40, namely, the circulation of the bottom end of the communication mechanism 8 is optimal at the moment, the sampling mechanism 9 is started to extract high-altitude gas in a designated area, the sampling gas is transmitted to the communication mechanism 8, and is discharged into the corresponding connecting assembly 5 through the bottom end of the communication mechanism 8, and is stored in the corresponding sampling bag 6, and the collected gas sample is more accurate at the moment, so that the accuracy of a subsequent detection result is ensured, and powerful guarantee is provided for effective implementation of subsequent prevention and treatment measures.
When the sampling of the area is completed, the driving mechanism 7 can be controlled to drive the communication mechanism 8 to separate from the concave hole 40, and after the communication mechanism 8 is separated from the concave hole 40, the communication mechanism 8 is also separated from the stop block 10 contacted before, at the moment, the communication mechanism 8 automatically restores the initial rotation angle.
And then controlling the unmanned aerial vehicle 1 to fly to the next designated area, and then carrying out the same steps.
In one embodiment of the present application, as shown in fig. 3, the connection assembly 5 may include a connection pipe 50 and a check valve 51.
Wherein one end of the connection tube 50 is connected with the concave hole 40, the other end of the connection tube 50 is detachably connected with the sampling bag 6, and the connection tube 50 is disposed in the corresponding first receiving chamber 20, and the check valve 51 is disposed on the connection tube 50.
It can be understood that the one-way valve 51 can limit the flowing direction of the gas, so that the flowing direction of the gas can only flow from top to bottom, and the sampled gas can only enter the sampling bag 6.
Specifically, the opening of the sampling bag 6 may be wrapped on the bottom end of the connecting tube 50, and the opening of the sampling bag 6 may be fixed by using a band or an elastic band, so that the sampling bag 6 is conveniently and rapidly fixed on the connecting tube 50, and the sampling bag 6 is conveniently removed.
In one embodiment of the application, as shown in fig. 3 and 4, the drive mechanism 7 may include a motor 70 and a disc 71.
Wherein, the motor 70 is arranged in the second accommodating cavity 21, and the output shaft of the motor 70 penetrates through the sealing plate 4 to be fixedly connected with the disc 71, the disc 71 is rotationally connected with the inner wall of the shell 2, and the disc 71 is arranged above the sealing plate 4.
It should be noted that, in this embodiment, the motor 70 is a stepper motor with an encoder, that is, an encoder is mounted on the stepper motor, and an optical encoder is generally used. The photoelectric encoder detects the rotation angle through the photoelectric conversion principle, and has the advantages of high resolution, high precision, high response speed and the like. When the output shaft of the motor 70 rotates, the photoelectric encoder can detect the rotation angle of the output shaft and feed back the information to the controller, and the controller can precisely control the motor 70 according to the received angle signal, so that the rotation angle of the motor 70 can be used to determine the position of the communication mechanism 8 and the relative position of the communication mechanism 8 and the concave hole 40, and the controller is used to determine the position according to the angle, which is not described in detail herein.
In one embodiment of the present application, as shown in fig. 5, 6 and 7, the communication mechanism 8 may include a first tube 80, a second tube 81, a first and second blocking plates 82 and 83, a torsion spring 84, two bushings 85, a push block 86 and a rubber head 87.
Wherein, first body 80 and disc 71 fixed connection, and the one end of first body 80 is arranged in the top of disc 71, and the other end of first body 80 is arranged in the below of disc 71, has seted up two sets of symmetrical arrangement's first rectangular array hole 800 on the outer wall of first body 80, and second body 81 and first body 80 rotate to be connected, and second body 81 is arranged in the top of disc 71, has seted up two sets of symmetrical arrangement's second rectangular array hole 810 on the outer wall of second body 81, and communicates each other between first rectangular array hole 800 and the second rectangular array hole 810.
The outer walls of the first pipe body 80 and the second pipe body 81 are fixedly connected with sleeves 85 respectively, the first plugging plate 82 is fixed in the second pipe body 81, the second plugging plate 83 is fixed in the first pipe body 80, the second plugging plate 83 and the first plugging plate 82 are laminated and staggered, the first plugging plate 82 and the second plugging plate 83 are in an 8-shaped form, and the first plugging plate 82 and the second plugging plate 83 which are staggered in the cross are used for sealing the bottom end of the second pipe body 81.
It should be noted that before the second pipe body 81 does not rotate relative to the first pipe body 80, the first rectangular array hole 800 and the second rectangular array hole 810 are mutually communicated, the first plugging plate 82 and the second plugging plate 83 are arranged in a cross staggered manner to seal the bottom end of the second pipe body 81, at this time, the gas collected by the sampling mechanism 9 is discharged into the second pipe body 81, because the bottom end of the second pipe body 81 is sealed, the gas can only be discharged through the first rectangular array hole 800 and the second rectangular array hole 810 on the side walls of the first pipe body 80 and the second pipe body 81, if the second pipe body 81 rotates relative to the first pipe body 80, i.e. when the first pipe body 80 is communicated with the concave hole 40, the first rectangular array hole 800 and the second rectangular array hole 810 are dislocated, i.e. the inner wall of the first pipe body 80 seals the second rectangular array hole 810, and at this time, the outer wall of the second pipe body 81 seals the first rectangular array hole 800, and at the same time, the first plugging plate 82 rotates to the upper part of the second plugging plate 83 to overlap the second plugging plate 83, thereby recovering the gas flow into the pipe body 80 and the second pipe body 81 through the first pipe body 81.
The torsion spring 84 is sleeved on the outer walls of the first pipe body 80 and the second pipe body 81, and two ends of the torsion spring 84 are respectively inserted into corresponding sleeves 85.
The rubber head 87 is coated on the bottom end outer wall of the first pipe body 80, the rubber head 87 is arranged below the disc 71, and the diameter of the rubber head 87 is larger than the aperture of the concave hole 40.
It should be noted that, in the embodiment, the rubber head 87 is spherical, and the diameter of the rubber head 87 is larger than the aperture of the concave hole 40, so that the sealing performance of the concave hole 40 can be improved, and further, the concave hole 40 can be a tapered hole or an arc hole with a wide top and a narrow bottom, so that the smoothness of the rubber head 87 when moving out can be ensured.
Specifically, in the initial state, the first rectangular array holes 800 and the second rectangular array holes 810 are mutually communicated, the first blocking plates 82 and the second blocking plates 83 are arranged in a cross staggered manner to seal the bottom end of the second pipe body 81, related personnel operate the sampling mechanism 9 to extract gas in a designated area, so that the gas remained before the sampling mechanism 9 is discharged through the first rectangular array holes 800 and the second rectangular array holes 810 on the side walls of the first pipe body 80 and the second pipe body 81, the air remained in the sampling mechanism 9 can be discharged by the newly extracted air due to the combined action of air pressure difference and the hydrodynamic principle, namely, when the new gas enters the sampling mechanism 9, the air pressure is increased, and the original residual air is pushed to be discharged through an outlet. This process is repeated continuously while the sampling mechanism 9 is continuously operating, and the introduction of new gas and the discharge of old gas are realized, so as to achieve the purpose of removing residual gas in the sampling mechanism 9, and ensure that the gas existing in the sampling mechanism 9 is the gas in the designated area.
When the driving mechanism 7 drives the first pipe 80 to rotate, the push block 86 contacts with the stop block 10, the stop block 10 blocks the push block 86, the push block 86 is forced to drive the second pipe 81 to rotate, the torsion spring 84 can be driven to rotate when the second pipe 81 rotates, when the rubber head 87 is clamped into the corresponding concave hole 40, the first rectangular array hole 800 and the second rectangular array hole 810 are blocked respectively, and meanwhile the first blocking plate 82 rotates to the upper side of the second blocking plate 83 to overlap with the second blocking plate 83, so that the fluxion between the first pipe 80 and the second pipe 81 is restored, and at the moment, sampling gas can flow into the connecting assembly 5.
When the rubber head 87 is separated from the concave hole 40, and after the rubber head 87 is separated from the concave hole 40, the push block 86 is also separated from the stop block 10 contacted before, at this time, under the action of the torsion spring 84, the second pipe body 81 is forced to restore the initial rotation angle by itself, at this time, the first rectangular array hole 800 and the second rectangular array hole 810 are mutually communicated, and the first plugging plate 82 and the second plugging plate 83 are arranged in a cross staggered manner to seal the bottom end of the second pipe body 81.
The stopper 10 is positioned to be fittingly installed according to the position of the recess 40 and the angle at which the second tube 81 is forced to rotate.
In one embodiment of the present application, as shown in FIG. 1, the sampling mechanism 9 includes a sampling pump 90 and a third tube 91.
The sampling pump 90 is disposed on the disc 71, and an air outlet end of the sampling pump 90 is communicated with the third tube 91, and an end of the third tube 91 away from the sampling pump 90 is rotationally connected with the second tube 81.
Specifically, the person concerned activates the sampling pump 90, and the sampling pump 90 pumps the gas in the specified region and discharges the gas into the second pipe 81 through the third pipe 91.
Further, as shown in fig. 1, the unmanned aerial vehicle-based high-air body collector may further include a standpipe 11 and a filter housing 12.
Wherein, one end of the standpipe 11 is communicated with the air inlet end of the sampling pump 90, and the other end of the standpipe 11 is fixedly connected with the filter housing 12.
Among them, it can be understood that some ladybug and floater in the air can be stopped, avoid causing the condition that sampling pump 90 air inlet is blocked to appear to the life of sampling pump 90 has been improved.
In one embodiment of the present application, as shown in fig. 3, the stopper 10 is provided with a groove (not shown), and a roller (not shown) is rotatably connected to the groove.
It can be understood that by arranging the roller, the surface friction contact can be changed into rolling contact when the stop block 10 is in contact with the push block 86, so that the friction between the stop block 10 and the push block 86 can be reduced, the service life of the stop block 10 and the push block 86 can be prolonged, and the smoothness of the contact movement of the push block 86 and the stop block 10 can be improved.
In summary, the unmanned aerial vehicle-based high-altitude gas collector provided by the embodiment of the application can timely remove residual gas samples in the sampling mechanism, and ensure the accuracy of detection results, so that the accuracy of staff in analyzing and reading the detection results is ensured, and a powerful guarantee is provided for effective implementation of follow-up prevention measures.
In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., 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 application. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (4)
1. A high-altitude air body collector based on an unmanned aerial vehicle is characterized by comprising the unmanned aerial vehicle, a shell, a baffle plate, a sealing plate, a plurality of connecting components, a plurality of sampling bags, a driving mechanism, a communicating mechanism, a sampling mechanism and a plurality of stop blocks, wherein,
The shell is arranged on the unmanned aerial vehicle, and a plugging block is respectively clamped in a plurality of rectangular holes formed in the outer wall of the shell;
The partition plate is arranged in the shell and is used for dividing a space in the shell into a plurality of first accommodating cavities and one second accommodating cavity, and the second accommodating cavity is arranged at the middle position of the plurality of first accommodating cavities;
The sealing plate is arranged on the partition plate and fixedly connected with the inner wall of the shell, and a plurality of concave holes are formed in the sealing plate;
the first accommodating cavities are respectively provided with a connecting component and a sampling bag, one end of the connecting component is communicated with the concave holes, the other end of the connecting component is detachably connected with the sampling bags, and the connecting component is used for limiting the flowing direction of sampled gas;
the driving mechanism is arranged in the second accommodating cavity and is rotationally connected with the inner wall of the shell, and the driving mechanism is used for driving the communication mechanism to rotate;
The communication mechanism is connected with the driving mechanism, is arranged above the sealing plate, and one end of the communication mechanism can be clamped in the concave hole;
the plurality of stop blocks are uniformly distributed on the shell, and the stop blocks are used for forcing the communication mechanism to rotate in the process of abutting and communicating the communication mechanism with the corresponding connecting assembly so as to change the flowing direction of sampling gas in the communication mechanism;
The sampling mechanism is arranged on the driving mechanism, one end of the sampling mechanism is rotationally connected with the communication mechanism, and the sampling mechanism is used for conveying the sampling gas into the corresponding connecting assembly through the rotated communication mechanism and storing the sampling gas in the corresponding sampling bag;
the sampling mechanism and the driving mechanism are respectively connected with a controller and a power supply system in the unmanned aerial vehicle;
the connecting component comprises a connecting pipe and a one-way valve, wherein,
One end of the connecting pipe is communicated with the concave hole, the other end of the connecting pipe is detachably connected with the sampling bag, and the connecting pipe is arranged in the corresponding first accommodating cavity;
the one-way valve is arranged on the connecting pipe;
The driving mechanism comprises a motor and a disc, wherein,
The motor is arranged in the second accommodating cavity, and an output shaft of the motor penetrates through the sealing plate and is fixedly connected with the disc;
The disc is rotationally connected with the inner wall of the shell, and is arranged above the sealing plate;
the communication mechanism comprises a first pipe body, a second pipe body, a first plugging plate, a second plugging plate, a torsion spring, two sleeves, a pushing block and a rubber head, wherein,
The first pipe body is fixedly connected with the disc, one end of the first pipe body is arranged above the disc, the other end of the first pipe body is arranged below the disc, and two groups of first rectangular array holes which are symmetrically arranged are formed in the outer wall of the first pipe body;
the second pipe body is rotationally connected with the first pipe body, the second pipe body is arranged above the disc, two groups of second rectangular array holes which are symmetrically arranged are formed in the outer wall of the second pipe body, and the first rectangular array holes and the second rectangular array holes are communicated with each other;
The outer walls of the first pipe body and the second pipe body are respectively fixedly connected with the sleeve;
the first plugging plate is fixed in the second pipe body;
The second plugging plates are fixed in the first pipe body, the second plugging plates are attached to the first plugging plates in a cross staggered mode, the first plugging plates and the second plugging plates are in an 8-shaped mode, and the first plugging plates and the second plugging plates which are arranged in the cross staggered mode are used for sealing the bottom end of the second pipe body;
The torsion springs are sleeved on the outer walls of the first pipe body and the second pipe body, and two ends of each torsion spring are respectively inserted into the corresponding sleeve;
the rubber head is coated on the outer wall of the bottom end of the first pipe body, the rubber head is arranged below the disc, and the diameter of the rubber head is larger than the aperture of the concave hole.
2. The unmanned aerial vehicle-based high-altitude collector of claim 1, wherein the sampling mechanism comprises a sampling pump and a third tube, wherein,
The sampling pump is arranged on the disc, and the air outlet end of the sampling pump is communicated with the third pipe body;
one end of the third pipe body, which is far away from the sampling pump, is rotationally connected with the second pipe body.
3. The unmanned aerial vehicle-based high-altitude gas collector of claim 2, further comprising a standpipe and a filter housing, wherein,
One end of the vertical pipe is communicated with the air inlet end of the sampling pump, and the other end of the vertical pipe is fixedly connected with the filter cover.
4. The unmanned aerial vehicle-based high-altitude gas collector according to claim 1, wherein the stopper is provided with a groove, and a roller is rotatably connected in the groove.
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Denomination of invention: High altitude gas collector based on unmanned aerial vehicle Granted publication date: 20240604 Pledgee: Xuzhou Huaichang Investment Co.,Ltd. Pledgor: Xuzhou Zhihang Intelligent Technology Co.,Ltd. Registration number: Y2024980030133 |