CN110487604A - A kind of latch assembly and its air automated collection systems - Google Patents

Abstract

The invention discloses a kind of latch assembly and its air automated collection systems, its latch assembly is mounted on unmanned plane, for sampling module card releasably to be installed with unmanned plane, including the first fixed side panel, fixed top plate, the second fixed side panel, fixed side panel, the second fixed side panel are fixed on fixed top plate, fixed top plate is fixed in mounting base, and fixed side panel, the second fixed side panel respectively have two pieces and join end to end respectively；Clamping lock mounting groove is provided on second fixed side panel, clamping lock mounting groove is equipped with lock cylinder with interior, it is that hollow sliding inner cylinder and lock cylinder one end and the assembly of sliding block ring are fixed inside lock cylinder, sliding block ring and the assembly of closing piece one end are fixed, closing piece inclined-plane is provided on closing piece, and closing piece is packed into locked groove, locked groove is arranged on fixing chuck plate；Sliding inner cylinder and traveller part can slide axially assembly, and traveller part and the assembly of drive rod one end are fixed, and the drive rod other end is passed through with drive pin assembly fixation after clamping lock mounting groove, and drive rod slides axially.

Description

A kind of latch assembly and its air automated collection systems

Technical field

The present invention relates to air sampling technologies, more particularly to a kind of latch assembly and its air automated collection systems.

Background technique

With environmental protection concept increasingly deeply and environmental regulation it is increasingly harsh, the monitoring for air quality has been ten Divide necessary means.Especially some heavy industry gather poly- region, need to carry out regular air sampling mostly, then be divided Analysis, to obtain air monitering data, so that government be assisted to be supervised, adjusted.

Current air sampling mode mainly using entirely it is artificial or semi-artificial by the way of carry out, the mode of Quan Rengong is main It is monitoring region using the progress air sampling of air acquisition equipment, this mode is cumbersome, and takes time and effort very much, adopts Sample height is influenced by ground level, and therefore, air sampling is not comprehensive, cannot reflect true air quality.It is semi-artificial main It is using UAV flight's air sampling equipment, its sampling of manual control is analyzed after then artificially collecting the air of sampling. This mode can obtain the air sample of different height, in addition relatively relatively low to the requirement degree of manpower participation, can drop significantly Low cost of labor is currently used sample mode.

But artificial whole-process control is but necessarily required by unmanned plane sampling, and unmanned plane is shorter cruise duration, at present General cruise duration, this was allowed in some region unmanned planes that can not be charged in time instead at chicken at 30-200 minutes Rib.And current air monitering is divided into and periodically or non-periodically monitoring, and does not all monitor continuously, this mode make manager without Method really obtains the consecutive variations of air quality, also results in subsequent lead to the problem of can not everyone has responsibility.But it once uses The mode continuously monitored is bound to cause high human input, does not meet the current fundamental realities of the country.

It in addition is exactly that current unmanned plane sampling can only generally carry out single-point sampling, that is, only carry a sampling gas Capsule, is sampled after taking off to designated position, is then flown back and is adopted author position.This mode allows for current unmanned plane Sampling also cannot achieve long-range control, because generally requiring multi-point sampling, this just needs to adopt author, constantly dismounting sampling air bag.

Summary of the invention

In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of latch assembly and Its air automated collection systems, air automated collection systems are able to achieve multiple spot, many places sampling.

To achieve the above object, it the present invention provides a kind of latch assembly, is mounted on unmanned plane, for mould will to be sampled Block card is releasably installed with unmanned plane, which is characterized in that described including the first fixed side panel, fixed top plate, the second fixed side panel Fixed side panel, the second fixed side panel are fixed on fixed top plate, and fixed top plate is fixed in mounting base, and fixed side panel, second Fixed side panel respectively has two pieces and joins end to end respectively, to form clamping frame；Clamping lock peace is provided on second fixed side panel Tankage, the clamping lock mounting groove are equipped with lock cylinder with interior, are hollow sliding inner cylinder and lock cylinder one end and sliding block ring inside lock cylinder Assembly is fixed, and sliding block ring and the assembly of closing piece one end are fixed, and closing piece inclined-plane is provided on closing piece, and closing piece is packed into locked groove, locked groove It is arranged on fixing chuck plate；The sliding inner cylinder and traveller part can slide axially assembly, traveller part and drive rod one end dress With fixation, the drive rod other end is fixed after passing through clamping lock mounting groove with drive pin assembly, and the drive rod slides axially.

Preferably, the drive pin is packed into driver slot and slidably assembles therewith, and the driver slot is arranged in switchboard On, it is further fixed on switch protrusive board on switchboard, switchs and idler wheel is installed on protrusive board, idler wheel can circular-rotation installation；The idler wheel It being pressed into contact with driving inclined-plane, on driving protrusive board, driving protrusive board is fixed on the second fixed side panel for the driving inclined-plane setting, And the switchboard slidably and be mounted on switch sliding slot in, switch sliding slot have two pieces of clamping plates for being respectively distributed to switchboard two sides It constitutes, clamping plate one end and the assembly of the second fixed side panel are fixed.

Preferably, the clamping plate other end and side seal board assembly are fixed, and side seal board is used for enclosed switch sliding slot side.

Preferably, the switchboard, which is pierced by be further fixed on the end of switch sliding slot, puts forth effort plate.

Preferably, clamping lock pressure spring is installed, the clamping lock pressure spring is used between clamping lock mounting groove inner side end and sliding block ring The elastic force mobile to locked groove is generated to sliding block ring.

The invention also discloses a kind of air automated collection systems, application has above-mentioned latch assembly.

It preferably, further include unmanned plane, sampling module, the charging module is used to carry out wireless charging, institute to unmanned plane Sampling module is stated for acquiring air sample, sampling module is installed on unmanned plane by latch assembly.

Preferably, the sampling module includes gas storage frame, air dividing plate, bronchus and the reversal valve being mounted on bronchus Group is respectively fixed with fixing chuck plate, lower carrier plate, several gas storage box on the gas storage frame；The corresponding reversal valve of each gas storage box Group, and several commutation valve groups are installed on each bronchus, bronchus one end and the lower carrier plate assembly far from air dividing plate are fixed, are another One end, which is passed through, to be connected to after the lower carrier plate of air dividing plate with reversing groove；Gas storage box exhaust is also separately installed on each gas storage box Nozzle；Air dividing plate is fixed on gas storage frame, and the reversing groove is arranged in air dividing plate；

It is additionally provided with total air flue inside the air dividing plate, exhaust sliding slot, switching mounting groove, runs through guide groove；Each commutation Slot corresponds to a bronchus, and reversing groove is connected to total air flue, and total air flue is closed at one end, the other end is connected to gas main one end, The outlet of the gas main other end and booster pump, the import of booster pump and the outlet of air pump, the import and air-breathing of air pump The connection of pipe one end, the air intake duct other end are communicated with the atmosphere；

The exhaust sliding slot is arranged between two reversing grooves and is connected to total air flue, and commutation is equipped in the reversing groove Valve block is respectively arranged with commutation short slot, connection stomata on conversion valve block；It is solid with the assembly of valve rod one end at the top of the conversion valve block Fixed, the valve rod other end is packed into switching mounting groove and is fixed with holding slide plate on this end, and the valve rod can slide axially and valve rod Valve rod pressure spring is set on the part kept between slide plate and switching mounting groove inside bottom surface；Slide plate is kept to slide by connection Plate is connected and fixed with limit plate, and connection slide plate engages with through guide groove, slidably assembles；

Be provided with limition orientation slot on the limit plate, the limition orientation slot by tiltedly upper slot part, top arc slot part, Slot part is constituted obliquely downward, and top arc slot part respectively will tiltedly upper slot part, slot part is connected to obliquely downward, oblique upper slot part, obliquely downward Since top arc slot part connectivity part starts to be obliquely installed separately down, and tiltedly, the least significant end of upper slot part is lower than obliquely downward slot part The least significant end of slot part；When original state, tiltedly the least significant end of upper slot part engages with the second spacer pin, slidably assembles；It is described Second spacer pin is fixed on limit one end of the connection board, and the limit connecting plate other end is hinged by the first spacer pin and air dividing plate.

Preferably, air storage bag is installed in the gas storage box, air storage bag is contraction state when having elasticity and original state, It is hollow storage chamber inside air storage bag, the air that when use samples is stored in storage chamber；Storage chamber is arranged with gas storage box respectively Air nozzle, the connection of gas storage box air inlet pipe one end；

Gas storage microswitch, elastic component are also equipped in the gas storage box, the elastic component includes fixed part, elastic portion Point, the elastic part has the triggering end face of elasticity and its open end and gas storage microswitch；It is expanded completely in air storage bag After can drive elastic part overcome own resilient to gas storage microswitch rotate, until trigger gas storage microswitch, judge at this time Sample for air storage bag storage reaches maximum value.

Preferably, the commutation valve group includes valve body, switch valve, and the valve inner is hollow valve chamber, close in valve chamber Envelope is axially slidably equipped with piston, and is provided with the first connectivity slot, the second connectivity slot on valve chamber inner wall, and described first connects Sealing station is provided between through slot, the second connectivity slot, sealing station and piston seal assemble；

The piston is towards being provided with piston short slot on the first connectivity slot side, piston short slot is used to connect first when use Through slot, the connection of the second connectivity slot；Guides stem is fixed on described piston one end, guides stem is packed into the interior valve cylinder of guiding valve cylinder It is interior and slidably assemble therewith；Resistance pressure spring is set with outside the guiding valve cylinder and guides stem；

Switch air bag is installed on the inside of the position-limiting drum, switch air bag is connected to switch gas nozzle, switch tracheae one end respectively, The switch gas nozzle other end is pierced by valve body, and the switch tracheae other end is pierced by the exhaust header pipe company after valve body with switch valve It is logical；

The valve chamber is also connected to commutation air inlet tube head, excessively trach head, exhaust header pipe one end respectively, the commutation air inlet pipe Head, trach head excessively are connected on bronchus respectively, the inlet communication of exhaust header pipe and gas storage check valve, the outlet of gas storage check valve It is connected to gas storage box air inlet pipe；

The commutation air inlet tube head also passes through bridge pipe and is connected to the switch air inlet pipe of switch valve；The driving of the switch valve It is connected to inside air inlet pipe and air storage bag；The exhaust header pipe and valve chamber connectivity part are close to piston end surface, and the resistance spring is to work Plug applies the thrust compressed with switch air bag；

The switch valve includes switching valve body, is hollow switch valve chamber inside switching valve body, sets on switch valve cavity wall It is equipped with switch air slot, the switch valve chamber is not provided with the part of switch air slot and switch valve plug seals, can slide axially Assembly, the switch valve plug are internally provided with valve plug gas port, valve plug gas port penetrating switch valve plug；

The switch valve chamber is connected to driving air inlet pipe, switch air inlet pipe, exhaust header pipe one end respectively, and is switched valve chamber and leaned on The first position-limiting drum is fixed in nearly driving air inlet pipe one end, the first position-limiting drum is mobile to driving air inlet pipe for limit switch valve plug Maximum displacement；

End face and pressure maintaining pressure spring one end of the switch valve plug far from driving air inlet pipe compress, pressure maintaining pressure spring other end suit On the second position-limiting drum, the second position-limiting drum is fixed on that switch valve is intracavitary, and its end face is moved for limit switch valve plug to it Maximum displacement.

The beneficial effects of the present invention are:

1, the present invention can be realized the wireless charging to unmanned plane by charging module, thus guarantee the continuation of the journey of unmanned plane, Also long-range unmanned manipulation can be realized, for a long time automatic sampling.

2, the present invention can be realized unmanned plane and relatively accurately stop at rotating disk by image and LORA location technology On, so that the wireless charging for unmanned plane provides safeguard.

3, sampling module of the invention realizes total air flue to each bronchial parallel connection one by one, to make by air distribution gear Obtaining each gas storage box can be supplied by each bronchus respectively, and can also be cut in time when bronchus goes wrong all the way for certain It is disconnected, it is continued to use using other bronchuses, to improve fault-resistant of the invention, fault-tolerance.

4, the present invention can be realized each gas storage box by commutation valve group and ventilate, cut off one by one, to realize each gas storage Box air inlet one by one, that is, a each gas storage box individually sample, and which achieves multiple spots, multiple repairing weld.It is particularly suitable for needing to connect The region of continuous monitoring.

5, the present invention is positioned by image, wireless signal, can obtain higher positioning accuracy, so that it is guaranteed that unmanned plane drops Positioning when falling between the accuracy of position and charging end plate and the plate that charges meets the needs of basic wireless charging.

Detailed description of the invention

Fig. 1-2 is structural schematic diagram of the invention.

Fig. 3-5 is charging module structural schematic diagram of the invention.

Fig. 6 is contact assembly structural schematic diagram of the invention.

Fig. 7-Fig. 9 is charging base structural schematic diagram of the invention.

Figure 10-Figure 11 is unmanned plane structural schematic diagram of the invention.

Figure 12-Figure 18 is sampling module structural schematic diagram of the invention.Wherein Figure 15 is enlarged drawing, Figure 16 at F1 in Figure 14 It is structural schematic diagram at latch assembly.

Figure 19-Figure 20 is air distribution gear structural schematic diagram of the invention.Wherein Figure 20 is enlarged drawing at F2 in Figure 19.

Figure 21 is structural schematic diagram at limit plate of the invention.

Figure 22 is air distribution gear structural schematic diagram of the invention.

Figure 23 is gas deflation assembly structural schematic diagram of the invention.

Figure 24 is structural schematic diagram at gas storage box of the invention.

Figure 25 is pressure release exhaust nozzle structural schematic diagram of the invention.

Figure 26 is commutation valve group structural schematic diagram of the invention.

Figure 27 is switch valve structure schematic diagram of the invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.

In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.

Referring to Fig. 1-Figure 27, the air automated collection systems of the present embodiment, including charging module, unmanned plane A, sampling mould Block, the charging module are used to carry out wireless charging to unmanned plane A, and the sampling module is for acquiring air sample；

Referring to Fig. 1-Fig. 9, the charging module includes charging base 110, motor housing 140, charging case 150, the charging It is closed at the top of pedestal 110 by charging bottom plate 120, and support tube 130 is installed in charging bottom plate 120, in the support tube 130 Portion is hollow；

Torsion motor 550 is installed inside the charging base 110, reverses the torsion output shaft 551 and the of motor 550 The assembly of three gears 533 is fixed, driving torsion 551 circumference positive and negative rotation of output shaft after torsion motor 550 is powered；The third gear 533 are mounted on 532 engaged transmission of second gear, 531 engaged transmission of second gear 532 and first gear, second gear 532 On jackshaft 260, jackshaft 260 and charging base 110 can circular-rotation assembly；

First gear 531 is fixed on torsional axis 210, and 210 one end of torsional axis and the input shaft of the first encoder 540 pass through Shaft coupling connection, the other end are pierced by after charging base 110 and assemble fixation with motor housing 140；Flexible electricity is installed in motor housing 140 Machine 520 is fixed with the second helical gear 512, the second helical gear 512 and the first helical teeth in the telescopic output shafts 521 of telescope motor 520 511 engaged transmission of wheel, the first helical gear 511 are fixed on driving 230 one end of screw rod, and driving 230 other end of screw rod is packed into swivel nut 240 Interior and assembled therewith by threaded engagement, swivel nut 240 is fixed on charging case 150；First encoder 540 is for detecting torsional axis 210 rotational angles.

And motor housing 140 also with 220 one end of guiding axis assemble fix, 220 other end of guiding axis pass through pilot hole 1511 and Can slide axially assembly therewith, and pilot hole 1511 is arranged on guide pad 151, and guide pad 151 is fixed on charging case 150.Make Used time, telescope motor 520 drive 521 circular-rotation of telescopic propeller shaft, and telescopic propeller shaft 521 passes through the first helical gear, second tiltedly Gear driving driving 230 circular-rotation of screw rod, driving screw rod 230 are moved in its axial direction by screw drive swivel nut 240, thus It realizes that charging case 150 is moved up in guiding axis axis, can also adjust position of the charging case in guiding axis axial direction.

Telescopic protective cover 160 is installed between the charging case 150 and motor housing 140, outside guiding axis 230, it is described to stretch There are contracting protective case 160 its elastic both ends to fix respectively with charging case 150, the assembly of motor housing 140, to prevent foreign matter from entering it Inside is to protect driving screw rod, swivel nut, guiding axis.

Push-rod electric machine 330 is installed, the telescopic shaft 331 of push-rod electric machine 330 passes through charging case 150 in the motor housing 150 Afterwards with charging fixed plate 340 assembly fix, charging fixed plate 340 be fixed on charging end plate 310 on, and charge end plate 310 with lead It assembles and fixes to 250 one end of bar, 250 other end of guide rod is packed into motor housing 150 and the assembly that can slide axially therewith.It uses When, push-rod electric machine 330 can move axially to drive charging 310 synchronizing moving of end plate with driver telescopic shaft 331, and be oriented to The effect of bar is exactly to prevent charging end plate 310 from sliding occurs and guarantee its moving direction in guide rod axial direction.

The charging end plate 310 is built-in with the transmitter of wireless charging, is used to issue wireless charging signal, so that Wireless charging receiver on unmanned plane A is received to carry out wireless charging.And camera is also equipped on charging end plate 310 320, camera 320 is for obtaining the image being disposed below；In addition contact mounting hole is additionally provided on charging end plate 310 311, contact assembly is installed in the contact mounting hole 311；

Contact assembly includes contact microswitch 350, contact bar 370, and 370 both ends of contact bar are separately installed with first It triggers ring 361, second and triggers ring 362, the first triggering ring 361 and the triggering end face for contacting microswitch 350, thus The first triggering ring 361 is allowed to trigger contact microswitch 350；The contact bar 370 is equipped with 362 one end of the second triggering ring It is packed into contact mounting hole 311, and contact bar 370 to slide axially installation；The contact bar 370 be located at second triggering ring 362 with Contact pressure spring 380 is set on part between contact 311 inner face of mounting hole.The contact pressure spring 380 is used to touch to second Hair ring 362 exerts a force, so that when original state, charging 310 bottom surface of end plate is stretched out in the second triggering 362 bottom surface of ring, this design so that When the end plate 310 that charges is compressed to the charging plate A112 of unmanned plane A, the second triggering ring 362 is electrically charged plate A112 promotion first To overcome contact 380 elastic force of pressure spring mobile to contact microswitch 350, until the second triggering ring 362 is fully retracted contact installation In hole 311, the first triggering triggering contact microswitch 350 of ring 361 at this time, contact microswitch 350 is to being mounted on charging base PLC in 110 issues signal, and PLC is judged as that charging end plate 310 contacts compression with charging plate A112, can charge.

Rotating disk 440 is installed inside the support tube 130, and is also equipped on support tube 130 same with rotating disk 440 The positioning lamp band 420 of the heart, positioning lamp band 420 are built-in with light source, light source electrified light emitting, and the light source of the present embodiment is LED lamp bead.Make Used time, the light issued by positioning lamp band 420 can be used as the benchmark of unmanned plane landing positioning.

The rotating disk 440,130 surface of support tube are also equipped with positioning strip 430, and positioning strip 430 has multiple and uniformly divides Cloth is on 440 circumferencial direction of rotating disk, and in the present embodiment, 430 outer surface of positioning strip is grey, is used to be easily installed at nobody Grey camera on machine obtains image, to carry out auxiliary positioning.

At least three signal antennas are also uniformly installed on 130 top surface of support tube, on 130 circumferencial direction of support tube 410, signal antenna 410 is used to issue the wireless signal of certain frequency, consequently facilitating the signal receiver on unmanned plane receives, with Assist unmanned plane positioning.Signal antenna 410 respectively with the signal output end communication connection of LORA signal projector, to emit nothing Line signal.

Six face axis 441 are also installed with one heart, six face axis 441 is packed into six faces 5611 on the inside of the rotating disk 440 And the assembly that can slide axially therewith, six faces 5611 are arranged in 561 one end of the first rotating output shaft, the first rotating output shaft 561 The other end assembles after passing through waterproof bulkhead 460 with dual-axle motor 560 (or hollow shaft motor), is also equipped on dual-axle motor 560 Second rotating output shaft 562, in the present embodiment, the first rotating output shaft 561, the second rotating output shaft 562 are rotated synchronously, and can To be same axis body；Second rotating output shaft 562 is connect with the input shaft of second encoder 570 by shaft coupling, thus So that second encoder can detecte the rotational angle of the second rotating output shaft 562.

First rotating output shaft 561 is set with turntable on the part between rotating disk 440 and waterproof bulkhead 460 Pressure spring 450, turntable pressure spring 450 are used to generate the elastic force for hindering rotating disk 440 to move down, and the waterproof bulkhead 460 and rotating disk 440 corresponding positions are also equipped at least three turntable microswitches 580, and multiple turntable microswitches 580 are evenly distributed on rotating disk On 440 circumferencial directions and its triggering end distinguishes face rotating disk 440.When unmanned plane is parked in rotating disk 440, rotating disk 440 Gravity increases, to overcome 450 elastic force of turntable pressure spring to move down, until rotating disk 440 presses the triggering of turntable microswitch 580 End, so that turntable microswitch 580 is to PLC input signal, so that PLC judges that unmanned plane has pulled up in rotating disk 440.

Referring to Figure 10-Figure 12, the unmanned plane A includes body A110, and multiple rotor plates are separately installed on body A110 It is mounted on rotor A210 on A120, each rotor plate A120, mounting base A150, the peace are further fixed on the body A110 It fills seat A150 and the assembly of the one end multiple support rod A130 is fixed, the support rod A130 other end and bottom plate A140 assembly are fixed, bottom plate A140 is used for and the contact of rotating disk 440 is to support unmanned plane A；Positioning image A310, this implementation are additionally provided on rotor plate A120 In example, positioning image can be two dimensional code.In use, positioning image is obtained by camera, then identification positioning image, and root According to the inclination angle of positioning image and camera judge unmanned plane and rotating disk whether run-off the straight.

It is also equipped with latch assembly on the mounting base A150, installs on three axis holder A320, the three axis holder A320 There are video camera A330 and gray scale camera, for acquiring color image, the three axis holder A320 has the video camera A330 Three degree of freedom, to adjust the angle of video camera A330 and gray scale camera, position.Three axis holder A320 in the present embodiment Directly purchase existing three axis overturning holder.

The latch assembly and sampling module assemble, and sampling module is fixed on mounting base A150 to realize；It is described Wireless charging receiver is also equipped with inside body A110, the wireless charging receiver is mounted on the inside of charging plate A112, The wireless charging signal sent for receiving wireless charging transmitter, and unmanned plane is inputted after converting the signal into electric energy Storage in battery.

It is also equipped in the unmanned plane:

CPU for receiving and dispatching, parsing control instruction, and carries out parameter calculating；

Memory, for storing data, the present embodiment select solid state hard disk；

5G module is used for and external equipment wireless telecommunications；

Label is positioned, auxiliary positioning is used for；Positioning label in the present embodiment is LORA signal receiver；

Air pump, for being pumped outside atmosphere to booster pump by air intake duct B112；

Barometer, for passing through pressure reduction flying height；

Positioning chip, for being positioned by GPS or Beidou；

Digital analog converter, for mutually turning analog signal with digital signal；

Battery, for being all airborne power supply for electrical equipment；

Booster pump is delivered to gas main B111 for receiving air-flow pressurization, to store to gas storage box B220.

The memory, 5G module, positioning label, barometer, positioning chip, digital analog converter signal end respectively with The signal end communication connection of CPU, the analog signal end of the digital analog converter connect with the control end communication of booster pump, air pump respectively It connects, so as to control the operating status of booster pump, air pump by CPU.In the present embodiment, respectively booster pump, air pump into One contactor of series connection on electric end, the analog signal end of digital analog converter is electrically connected with the control terminal of contactor, to pass through control Booster pump processed, air pump current switching control the start and stop of booster pump, air pump.

In the present embodiment, the position fixing process of unmanned plane landing on the rotating pan is as follows:

S110, unmanned plane are takeoff condition, are navigated first according to the positioning signal of positioning chip detection and preset return Line returns above charging module, mainly by the image of video camera acquisition positioning lamp band during this, and after parsing image Judge whether to be located above positioning lamp band；

S120, the then starting of gray scale camera, acquisition include the image of positioning strip, and adjust body A110, so that gray scale Camera and a certain positioning strip face；Meanwhile identifying the light bar image of video camera acquisition, the angle by acquiring image judges Whether body is located within light bar, if be located at outside light bar, adjusts body A110, is located in light bar.This certain mistake Journey can be manually operated.

S130, unmanned plane start vertically to decline, and open positioning label, while LORA signal projector is respectively to each letter Number antenna 410 sends different frequency signals, and the LORA signal receiver on body is enabled to receive this signal one by one；Per all the way It include sending time in the pulse signal that signal antenna 410 emits；When LORA signal receiver can receive signal without Man-machine hovering；Generally at this time apart from 5-10 meters of rotating disk；

S140, unmanned plane add receiving time label for the pulse signal that each road signal antenna 410 issues is received respectively, It is then transmit to CPU, CPU converses each 410 distance LORA signal of road signal antenna multiplied by signal transmission time by the light velocity and connects The distance of device is received, to position to LORA signal receiver, and anchor point and rotating disk are done into vertical line, then judges that this hangs down Whether line is overlapped in error range with pre-set antilift wire, if it is not, adjustment body position, until LORA signal Receiver is located on preset antilift wire；

S150, unmanned plane starts vertically to decline, and until stopping on the rotating pan, rotating disk overcomes under rotation pressure spring elastic force at this time It moves, to trigger turntable microswitch；PLC judgement at this time has several turntable microswitch output signals, general to require at least three A turntable microswitch output signal can just be judged as unmanned plane, and stop over is good；If it is determined that unmanned plane does not stop, then control Unmanned plane processed takes off, and is repositioned, or remotely operates unmanned plane landing by operator；Specially 5G module and service Device wireless telecommunications, operator pass through wireless controller to server input control signal, so that controlling unmanned plane makes corresponding actions To adjust posture, position.

S160,150 original state of charging case are Fig. 3 state, and after unmanned plane landing on the rotating pan, torsion motor is opened It is dynamic, to drive the rotation of torsional axis 210 to drive charging case to turn to above rotating disk；

The positioning of S170,320 capture setting of camera on body A110 applies an A111 image, and according to collected institute There is positioning to apply an A111 image and judge whether camera 320 is located on predeterminated position, A111 is applied in the picture with each positioning Position, 320 position of estimating state camera.The present embodiment directly one mark of acquisition when camera 320 is located at predeterminated position Quasi- figure is used as benchmark, and the drawing of post-collection only needs to be compared with benchmark, and this mode is for positioning shooting head With unmanned plane position, positioned convenient for next step；

The electronic pictures of S180, the acquisition positioning image of camera 320, and be delivered to PLC and identified, if do not acquired To positioning image, then one circle of the rotation of dual-axle motor 560 is controlled, and constantly obtain electronic image, after discovery positions image, opened The tilt angle (angle generated with the line of camera and rotating disk) for beginning to calculate positioning image, is subject to Fig. 1, if inclination Angle deflects on rotating disk circumferencial direction, then controls dual-axle motor and invert this angle, so that positioning image position In within the scope of predeterminated position；If tilt angle is upward deflected in guiding axis axis, telescope motor starting is controlled, camera is adjusted In the upper position of guiding axis axial direction to be positioned.

If it is determined that positioning image again without obtaining, then telescope motor starting is controlled, drives charging case in guiding axis axis Repeatedly slowly mobile to obtain image upwards, if it find that positioning image, then stop telescope motor, it is fixed to start to carry out image Position；If still no discovery does not position image, it is judged as positioning failure, the unmanned plane that takes off again at this time is positioned or passed through behaviour Author remotely operates unmanned plane positioning.

S190, by charging case and unmanned plane positioning after, charging end plate and charging plate face, then start push-rod electric machine will Charging end plate moves down, and until contacting microswitch 350 to PLC feedback signal, then stops push-rod electric machine, is judged as charging end plate It is adjacent to charging plate；

Due to touching microswitch 350 have it is multiple, in the present embodiment, at least three contact microswitches 350 to PLC feed back Signal is just judged as that charging end plate is bonded completely with charging plate, and then PLC starts wireless charging transmitter progress wireless charging； Otherwise it is judged as positioning failure, relocates.

In the above manner, surveyed by applicant, positioning accuracy within 3cm, the success rate of positioning 90% with On, the automatic positioning requirement and charging continuation of the journey that can satisfy unmanned plane require.In actual use, it is being adopted built in unmanned plane first Sampling point coordinate, height, then unmanned plane can be sampled according to pre-set programs automatic takeoff to sampled point, then auto-returned Rotating disk.It is calculated with current drone flying height 80-100 meters, 50 kilometer per hours of flying speed, 40 minutes cruise duration, One unmanned plane can be responsible for the sampling operation of neighbouring 15-20 km or so range, to greatly improve sample range, and complete Automation, can reduce artificial participation.Staff, which only needs all to remove the extraction of gas storage frame after use in gas storage box, to adopt The gas of sample, it is very convenient, and may be implemented to sample at any time for 24 hours.

Referring to Figure 12-Figure 16, the latch assembly is fixed including the first fixed side panel A410, fixed top plate A420, second Side plate A430, the fixed side panel A410, the second fixed side panel A430 are fixed on fixed top plate A420, fixed top plate A420 It is fixed on mounting base A150, and fixed side panel A410, the second fixed side panel A430 respectively have two pieces and join end to end respectively, thus Form clamping frame；

Clamping lock mounting groove A431, the clamping lock mounting groove A431 and interior peace are provided on the second fixed side panel A430 It is that hollow sliding inner cylinder A541 and the one end lock cylinder A540 and sliding block ring A550 assembly are solid equipped with lock cylinder A540, inside lock cylinder A540 Fixed, sliding block ring A550 and the assembly of the one end closing piece A560 are fixed, and are provided with closing piece inclined-plane A561, and closing piece A560 on closing piece A560 It is packed into locked groove B211, locked groove B211 is arranged on fixing chuck plate B210；

The sliding inner cylinder A541 and traveller part A521 can slide axially assembly, traveller part A521 and drive rod A520 One end assembly is fixed, and the drive rod A520 other end is fixed after passing through clamping lock mounting groove A431 with drive pin A510 assembly, the drive Lever A520 slides axially, and is equipped with clamping lock compression spring A 530 between clamping lock mounting groove A431 inner side end and sliding block ring A550, The clamping lock compression spring A 530 is used to generate sliding block ring A550 the elastic force mobile to locked groove B211, to keep closing piece A560 always It is packed into locked groove B211；

The drive pin A510 is packed into driver slot A452 and slidably assembles therewith, and the driver slot A452 setting exists On switchboard A450, it is further fixed on switch protrusive board A470 on switchboard A450, switchs and idler wheel A471 is installed on protrusive board A470, Idler wheel A471 can circular-rotation installation；

The idler wheel A471 and driving inclined-plane A461 is pressed into contact with, and the driving inclined-plane A461 setting is in driving protrusive board A460 On, driving protrusive board A460 be fixed on the second fixed side panel A430, and the switchboard A450 slidably and be mounted on switch slide In slot A442, switch sliding slot A442 has two pieces of clamping plate A441 for being respectively distributed to the two sides switchboard A450 to constitute, clamping plate A441 mono- End is fixed with the second fixed side panel A430 assembly, and the other end and side seal board A440 assembly are fixed, and side seal board A440 is opened for closing Close the side sliding slot A442.

The switchboard A450, which is pierced by be further fixed on the end of switch sliding slot A442, puts forth effort plate A451.In use, passing through Put forth effort plate A451 driving switch plate A450 to slide in switch sliding slot A442.

When needing to remove sampling module, it is only necessary to push switchboard A450 to driving protrusive board A460, so that idler wheel A471 Switchboard A450 is pushed to clamping plate A441 and cooperating with driving inclined-plane A461, also just provides axial direction to drive rod A520 Displacement to switchboard A450, drive rod A520 drive lock cylinder A540, sliding block ring A550, closing piece A560 to lock clamping lock mounting groove In A431, so that closing piece A560 is separated with locked groove B211, sampling module can be removed, then switchboard restPoses.

And when needing to install sampling module (switchboard A450 is located at Figure 14 state), it will directly be filled in fixing chuck plate B210 Enter to be clamped in frame and fixing chuck plate B210 and the second fixed side panel A430 is adjacent to, then constantly by sampling module to fixation top plate A420 is pushed, so that fixing chuck plate B210 and closing piece inclined-plane A561 cooperate from overcoming closing piece the elastic force of spring clip A530 to squeeze Into in clamping lock mounting groove A431, until locked groove B211 and gone through years of suffering and hardship A560 face, closing piece A560 makees in spring clip A530 at this time Closing piece A560 is pushed into locked groove B211 with lower, so that closing piece locks to locked groove B211.Whole process without operating again Switchboard, it is very convenient quick.

Referring to Figure 12-Figure 27, the sampling module includes gas storage frame B200, air dividing plate B100, bronchus B240 and peace Fixing chuck plate B210, lower carrier plate are respectively fixed on commutation valve group B300, the gas storage frame B200 on bronchus B240 B230, several gas storage box B220；The corresponding commutation valve group B300 of each gas storage box B220, and installed on each bronchus B240 There are several commutation valve group B300, the one end bronchus B240 and the lower carrier plate B230 far from air dividing plate B100 assemble the fixed, other end It is connected to across after the lower carrier plate B230 of air dividing plate B100 with reversing groove B101；It is also separately installed on each gas storage box B220 Gas storage box exhaust nozzle B221, in use, being extracted out the air sampled in gas storage box by gas storage box exhaust nozzle B221, the gas storage Box exhaust nozzle B221 can refer to or directly adopt the valve cock of existing automobile tire；

Air dividing plate B100 is fixed on gas storage frame B200, and the reversing groove B101 is arranged in air dividing plate B100, described It is additionally provided with total air flue B102 inside air dividing plate B100, exhaust sliding slot B103, switching mounting groove B104, runs through guide groove B105； The corresponding bronchus of each reversing groove B101, and reversing groove B101 is connected to total air flue B102, total air flue 102 is closed at one end, The other end is connected to the one end gas main B111, the outlet of the gas main B111 other end and booster pump, the import of booster pump with The import of the outlet of air pump, air pump is connected to the one end air intake duct B112, and the air intake duct B112 other end is communicated with the atmosphere；

The exhaust sliding slot B103 is arranged between two reversing groove B101 and is connected to total air flue B101, the reversing groove Conversion valve block B460 is installed in B101, commutation short slot B461, connection stomata B462 are respectively arranged on conversion valve block B460. When original state, conversion valve block B460 is located at reversing groove B101 top, and bronchus passes through commutation short slot B461 and total air flue B102 connection, but the connection stomata B462 on conversion valve block B460 is loaded at the top of reversing groove B101 to which both ends are by reversing groove The sealing of B101 inner wall, and total air flue of total air flue to next reversing groove B101 are disconnected by conversion valve block B460, thus by total air flue It is divided into the several sections of parts being connected to respectively with corresponding bronchus B240.

It is fixed at the top of the conversion valve block B460 with the assembly of the one end valve rod B540, the valve rod B560 other end is packed into switching installation Holding slide plate B541 is fixed in slot B104 and on this end, the valve rod B540 can slide axially and valve rod B540 is located at holding and slides It is set with valve rod pressure spring B550 on part between plate B541 and switching mounting groove B104 inside bottom surface, valve rod pressure spring B550 is used for To keeping slide plate B541 to generate the elastic force far from switching valve block B460, so that switching valve block B460 begins in the initial state Final position is at the top of reversing groove B101.

Ball B560 is installed, ball B560 can be kept relative to valve rod B540 spherical rolling at the top of the valve rod B540 Slide plate B541 is connected and fixed by connecting slide plate B522 and limit plate B520, is connected slide plate B522 and is run through guide groove B105 card It closes, slidably assemble；

Limition orientation slot B521 is provided on the limit plate B520, the limition orientation slot B521 is by tiltedly upper slot part B5211, top arc slot part B5212, slot part B5213 is constituted obliquely downward, and top arc slot part B5212 will tiltedly go up slot respectively Part B5211, obliquely downward slot part B5213 are connected to, and oblique upper slot part B5211, obliquely downward slot part B5213 are due to top arc slot part B5212 connectivity part starts to be obliquely installed separately down, and tiltedly the least significant end of upper slot part B5211 is lower than slot part B5213 obliquely downward Least significant end.When original state, tiltedly the least significant end of upper slot part B5211 engages with the second spacer pin B532, slidably assembles；Institute It states the second spacer pin B532 and is fixed on limit one end connecting plate B510, the limit connecting plate B510 other end passes through the first spacer pin B531 and air dividing plate B100 are hinged.

It is contacted when the ball B560 original state with pushing inclined-plane B613 top, pushes inclined-plane B613 setting and is switching On drive block B610, pushes inclined-plane B613 and be obliquely installed from the bottom to top；Switching drive block B610 and switching screw rod B411 pass through spiral shell Line screws assembly, and switching screw rod one end and the air dividing plate B100 for switching the side mounting groove B104 can circular-rotation assembly, the other end Be pierced by after air dividing plate B100 with switch motor B410 so that switch motor B410 can drive switching screw rod B411 circumference Positive and negative rotation on direction；The switching drive block B610 engages with switching mounting groove B104 and can be sliding on switching screw rod axial direction Dynamic assembly.

Preferably, switch to be also respectively provided on drive block B610 and release inclined-plane B611, keep plane B612, two guiding Detect inclined-plane B614, the holdings plane B612 be horizontality and its both ends respectively with release inclined-plane B611, pushing inclined-plane The connection of B613 least significant end；The releasing inclined-plane B611 is obliquely installed from the bottom to top, and the guiding detection inclined-plane B614 is respectively set The two sides at the top of switching drive block B610, and be obliquely installed from the bottom to top.

The top surface of the switching drive block B610 is also adjacent to the bottom location bar B620, and closedtop is passed through at the top of location bar B620 After plate B120, supporting shell B110 with the triggering end face of location microswitch B430, the corresponding location of each valve rod B540 Microswitch B430；The top sealing plate B120 will switch that mounting groove B104 is top closed, and the supporting shell B110 is fixed on a point gas On plate B100；

The location bar B620 is provided with stress ring B621 on the part between supporting shell B110 and top sealing plate B120, Location bar B620 is set with location pressure spring B630, location pressure spring on the part between stress ring B621 and supporting shell B120 B630 is used to apply location bar B620 the elastic force to switching drive block B610.

When needing the state of conversion valve block B460, switch motor B410 starting, driving switching screw rod circular-rotation switches spiral shell Bar B411 switches drive block B610 by screw drive and moves in its axial direction, so that switching drive block B610 is by pushing inclined-plane B613 applies the displacement pushed to valve rod B540, and valve rod B540 overcomes the elastic force of valve rod pressure spring B550 to push, to drive holding Slide plate B541, conversion valve block B460 are synchronized and are moved down, until commutation short slot B461 is fully entered in reversing groove B101, connection stomata Total air flue B102 of two sides is connected to by B462.Conversion valve block B460 is by corresponding bronchus B240 and gas main at this time Partition is sealed between B102, and gas main B102 is connected to the commutation short slot B461 of next conversion valve block B460.

And when keeping slide plate B541 to move down, limit plate B520 can be driven to synchronize by connection slide plate B522 and moved down, this It allows for the second spacer pin B532 to reach the top arc slot part B5212 along oblique upper slot part B5211, and enters slot part obliquely downward At the top of B5213.After switching drive block B610 and ball are detached from, effect due to valve rod spring B 550 to valve rod B540, valve rod It moves up, so that limit plate be driven to move up, the second spacer pin B532 is slided along slot part B5213 obliquely downward until reaching obliquely downward at this time Slot part B5213 bottommost, to realize the fixation to limit plate B520, limit, the short slot at this point, conversion valve block B460 will commutate Total air flue B102 connection that B461 separates with total air flue B102 sealing, is connected to stomata B462 for two sides, valve rod spring B 550 store Elastic force.

When needing to restore this conversion valve block state, switch motor B410 overturning, driving switching drive block B610 retracts, It is contacted so that releasing inclined-plane B611 with ball B560, and valve rod B540 is pushed again, so that the second spacer pin B532 is along oblique It is moved on lower slot part B5213 at the top of top arc slot part B5212, tiltedly upper slot part B5211.Switch drive block B610 and rolling After pearl is detached from, valve rod moves up under the effect of valve rod spring, so that limit plate B520, conversion valve block B460 be driven to synchronize and move up, makes The second spacer pin B532 is obtained to restore along oblique upper slot part B5211 to original state.

This mode can be realized to be individually switched to per the connection all the way between bronchus B240 and total air flue, thus The bronchus B240 all the way in the case where certain can be directly initiated when bronchus B240 breaks down all the way, to increase the tolerance to failure Degree.The design of location microswitch can detecte the position of switching drive block B610, so that switching drive block B610 is completed Signal is also sent so that CPU knows to switch the position drive block B610 to CPU by location microswitch after relevant work.

Preferably due to can always have the air of last sampling when in use, in total air flue, if be fed directly to Next bronchus certainly will cause sampling to malfunction, and also result in sampled result inaccurate, devise gas deflation assembly to this applicant, The gas deflation assembly includes exhaust air-bag B480, is vented valve plate B440, and the exhaust air-bag B480, exhaust valve plate B440 pacify respectively Exhaust gas drive plate B481, the exhaust gas drive plate B481 are installed in exhaust sliding slot B103, and at the top of exhaust air-bag B480 Compression is contacted with the exhaust bottom surface valve plate B440, exhaust valve plate B440 is provided with connection air drain on the one end exhaust gas drive plate B481 B441, and be vented valve plate B440 at the top of with the one end arc-shaped spring piece B450 assembly fix, arc-shaped spring piece B450 arc top part with Exhaust sliding slot B103 inside top is adjacent to.Arc-shaped spring piece has elasticity, and its other end is open end.

The exhaust air-bag B480 have elasticity and inside it respectively with the inlet end of pressure release exhaust nozzle B420, miniature unidirectional The outlet side of valve B472 is connected to, and the inlet end of micro one-way valve B472 be connected to side one end tracheae B471, side tracheae B471 with always Air flue B102 connection, the pressure release exhaust nozzle B420 other end are pierced by air dividing plate B100.Pressure release exhaust nozzle B420 can be referred to or directly Using the valve cock of existing automobile tire；

When original state, exhaust valve plate B440, which seals total air flue, to be divided.In the case where air-flow enters exhaust valve plate B440, one is changed Before to valve block (after last time sampling, this sampling starts), air-flow passes through side tracheae B471 first and enters exhaust air-bag B480 It is interior, so that exhaust air-bag B480 air inlet expands, to push exhaust valve plate B440 that the elastic force of arc-shaped spring piece B450 is overcome to move up, directly Total air flue B102 of two sides is connected to connection air drain B441；This design is so that the last rear remaining air sampled Almost all is pushed to exhaust air-bag B480, to avoid to this sampling of the air impact of last time sampling.And it needs When will be vented valve plate B440 reset, directly opening pressure release exhaust nozzle B420, so that the air-flow in exhaust air-bag B480 passes through pressure release Exhaust nozzle B420 discharge, along with the elastic force of arc-shaped spring piece resets exhaust air-bag B480, exhaust valve plate B440.

Referring to fig. 25, the pressure release exhaust nozzle B420 includes exit casing B424, is respectively set inside the exit casing B424 There are a first air flue B421, the second air flue B422, is connected to inside described one end first air flue B421 and exhaust air-bag B480, the other end It seals and assembles with the one end sealing bar B810, the sealing bar B810 other end is pierced by after exit casing B424 with pull-button B830 assembly admittedly It is fixed, it is provided with ring spring B820 on the part that the sealing bar B810 is located in the second air flue B422, described sealing bar B810 Exhaust pressure spring is set on the part between the inner face of the one end pull-button B830 in ring spring B820 and the second air flue B422 B840, exhaust pressure spring B840 are used to generate sealing bar B810 the thrust mobile to the first air flue B421, second air flue Perforative exhaust hole B423 is provided on B422 side wall, exhaust hole B423 is used to arrange the second air flue B422 internal gas flow Out.

In use, once the air pressure in the first air flue B421 can drive sealing bar B810 to overcome exhaust pressure spring B840 bullet Power is mobile to the second air flue B422, so that the first air flue B421 is connected to by extra gas in total air flue with exhaust hole B423 Stream discharge.Sealing bar B810 can certainly be pulled by pulling pull-button, so that the first air flue B421 and exhaust hole B423 connection, so that the gas in exhaust air-bag B480 is discharged.

Air storage bag B270 is installed, air storage bag B270 has elasticity and initial shape in referring to fig. 24, the gas storage box B220 It is contraction state when state, is hollow storage chamber B271 inside air storage bag B270, in use, the air of sampling is stored in storage chamber In B271；Storage chamber B271 is connected to gas storage box exhaust nozzle B221, the one end gas storage box air inlet pipe B222 respectively；

Gas storage microswitch B260, elastic component B250, the elastic component B250 packet are also equipped in the gas storage box B220 Include fixed part B251, elastic part B252, the elastic part B252 have elastic and its open end and gas storage microswitch The triggering end face of B260.Elastic part B252 can be driven to overcome own resilient micro- to gas storage after air storage bag B270 expands completely Dynamic switch B260 rotation is judged as that the sample of air storage bag B270 storage reaches most until triggering gas storage microswitch B260 at this time Big value, stops air pump, booster pump, then to stop sampling.

In the present embodiment, all electrical equipments are provided by the battery of unmanned plane, and the signal end of side position microswitch, storage The signal end of gas microswitch, the control terminal of stepper motor driver are logical with the signal end of the controller of unmanned plane (CPU) respectively News connection, stepper motor driver are used to drive the operation of switch motor, and switch motor is stepper motor.

6- Figure 27 referring to fig. 2, the commutation valve group B300 include valve B 310, switch valve B700, in the valve B 320 Portion is hollow valve chamber B321, seals in valve chamber B321, is axially slidably equipped with piston B350, and on valve chamber B321 inner wall It is provided with the first connectivity slot B322, the second connectivity slot B323, is arranged between the first connectivity slot B322, the second connectivity slot B323 There are sealing station B324, sealing station B324 and piston B350 sealing assembly；

The piston is towards piston short slot B352 is provided on the first side connectivity slot B322, in use, piston short slot B352 is used to for the first connectivity slot B322, the second connectivity slot B323 being connected to.The piston B350 is fixed with guides stem on one end B351, guides stem B351 are packed into the interior valve cylinder B331 of guiding valve cylinder B330 and slidably assemble therewith；The guiding valve cylinder Resistance pressure spring B340 is set with outside B330 and guides stem B351, resistance pressure spring B340 is for generating to position-limiting drum B360 piston Elastic force；

Switch air bag B370 is installed on the inside of the position-limiting drum B360, switch air bag B370 respectively with switch gas nozzle B380, The connection of the one end tracheae B362 is switched, the switch gas nozzle B380 other end is pierced by valve B 320, and the switch tracheae B362 is another End is connected to after being pierced by valve body with the exhaust header pipe B772 of switch valve B700；Existing tire can be directly used in switch gas nozzle B380 Air inflating valve.

The valve chamber B321 also connects with commutation air inlet tube head B313, excessively trach head B312, the one end exhaust header pipe B325 respectively Logical, the commutation air inlet tube head B313, trach head B312 excessively are connected on respectively on bronchus B240, exhaust header pipe B325 and gas storage The outlet of the inlet communication of check valve B311, gas storage check valve is connected to gas storage box air inlet pipe B222, to supply into gas storage box Gas；

The switch air inlet pipe B773 that the commutation air inlet tube head B313 also passes through bridge pipe B314 and switch valve B700 connects It is logical；It is connected to inside the driving air inlet pipe B771 of the switch valve B700 and air storage bag B270；The exhaust header pipe B325 and valve chamber Close to the end face piston B350, the resistance spring B340 applies to piston to be pushed away B321 connectivity part with what switch air bag B370 was compressed Power.

The switch valve B700 includes switching valve body B710, is hollow switch valve chamber B711 inside switching valve body B710, Switch air slot B712 is provided on switch valve chamber B711 inner wall, the switch valve chamber B711 is not provided with switch air slot B712 Part with switch valve plug B720 sealing, can slide axially assembly, the switch valve plug B720 is internally provided with valve plug gas port B721, valve plug gas port penetrating switch valve plug B720；

The switch valve chamber B711 respectively with driving air inlet pipe B771, switch air inlet pipe B773, the one end exhaust header pipe B772 Connection, and switch valve chamber B711 and be fixed with the first position-limiting drum B760, the first position-limiting drum in driving one end air inlet pipe B771 Maximum displacement B760 mobile to driving air inlet pipe B771 for limit switch valve plug B720；

End face and pressure maintaining pressure spring B740 one end of the switch valve plug B720 far from driving air inlet pipe B771 compress, pressure maintaining pressure The spring B740 other end is sleeved on the second position-limiting drum B730, and the second position-limiting drum B730 is fixed in switch valve chamber B711, and its end The maximum displacement that face is moved for limit switch valve plug B720 to it.In the second end face position-limiting drum B730 and switch valve plug B720's When end face is adjacent to, valve plug gas port B721 will switch air inlet pipe B773 and be connected to exhaust header pipe B772, so that switch air inlet Air-flow in pipe B773 is able to enter exhaust header pipe B772, hence into switch air bag B370.

The outlet of the exhaust header pipe B772 and switch check valve B750 switch import and the switch of check valve B750 Valve chamber B711 connection.Switch check valve B750 is intracavitary for preventing the air-flow in exhaust header pipe B772 from flowing backward to switch valve.

In use, the air-flow that bronchus B240 is sent respectively enters in commutation air inlet tube head B313, bridge pipe B314, this When, since switch valve B700 is in Figure 27 state, bridge pipe B314 air-flow can not be connected, and air-flow enters in valve chamber B321, Then entered in gas storage box B220 by exhaust header pipe B325 and stored, after gas storage box B220 air pressure reaches certain value, This air pressure can pull switch valve plug B720 overcome pressure maintaining spring B 740 to be displaced downwardly to maximum position so that switch air inlet pipe B773 Interior air-flow by the way that in valve plug gas port B721 access switch air bag B370, switch air bag B370 gradually expands, to drive work Fill in it is mobile to exhaust header pipe B325, until piston seals exhaust header pipe B325 and valve chamber connectivity part, at this time air-flow completely into It switchs in air bag, and air storage bag is expanded to maximum, gas storage microswitch is triggered output signal.Then air pump, booster pump stop Operation.

When sampling next time, air pump, booster pump so far switch air-flow pressurized delivered in air bag, so that switch air bag B370 Expansion, until the first connectivity slot B322, the second connectivity slot B323 are connected to by piston short slot B352, so that air-flow can pass through Valve chamber is exported to the bronchus of next part, from trach head B312 is crossed into next valve chamber, bridge pipe B314.This design one Aspect connects switch valve by the air pressure of air storage bag, in time closes subsequent bronchus when to generating pressure release in air bag, Later period sample gas is prevented to be contaminated；When on the other hand to sample next time, the air-flow remained in pipeline before can In push-in switch air bag B370, to prevent from influencing sampling quality.

Place is not described in detail by the present invention, is the well-known technique of those skilled in the art.

The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be within the scope of protection determined by the claims.

Claims (10)

1. a kind of latch assembly, is mounted on unmanned plane, for sampling module card releasably to be installed with unmanned plane, feature It is, including the first fixed side panel, fixed top plate, the second fixed side panel, the fixed side panel, the second fixed side panel are fixed on Determine on top plate, fixed top plate is fixed in mounting base, and fixed side panel, the second fixed side panel respectively have two pieces and respectively head and the tail phase Even, to form clamping frame；

Be provided with clamping lock mounting groove on second fixed side panel, the clamping lock mounting groove and it is interior lock cylinder is installed, inside lock cylinder It is fixed for hollow sliding inner cylinder and lock cylinder one end and the assembly of sliding block ring, sliding block ring and the assembly of closing piece one end are fixed, and are set on closing piece It is equipped with closing piece inclined-plane, and closing piece is packed into locked groove, locked groove is arranged on fixing chuck plate；

The sliding inner cylinder and traveller part can slide axially assembly, traveller part and the assembly fixation of drive rod one end, drive rod The other end is fixed after passing through clamping lock mounting groove with drive pin assembly, and the drive rod slides axially.

2. latch assembly as described in claim 1, which is characterized in that the drive pin is packed into driver slot and therewith slidably Assembly, the driver slot setting are further fixed on switch protrusive board on switchboard, on switchboard, switch and be equipped with idler wheel on protrusive board, Idler wheel can circular-rotation installation；

The idler wheel is pressed into contact with driving inclined-plane, and on driving protrusive board, driving protrusive board is fixed on for driving inclined-plane setting On two fixed side panels, and the switchboard slidably and be mounted on switch sliding slot in, switch sliding slot there are two pieces to be respectively distributed to out The clamping plate for closing plate two sides is constituted, and clamping plate one end and the assembly of the second fixed side panel are fixed.

3. latch assembly as described in claim 1, which is characterized in that the clamping plate other end and side seal board assembly are fixed, side seal board For enclosed switch sliding slot side.

4. latch assembly as claimed in claim 2, which is characterized in that the switchboard is pierced by also solid on the end of switch sliding slot Surely there is power plate.

5. latch assembly as described in claim 1, which is characterized in that installed between clamping lock mounting groove inner side end and sliding block ring There is clamping lock pressure spring, the clamping lock pressure spring is used to generate sliding block ring the elastic force mobile to locked groove.

6. a kind of air automated collection systems, which is characterized in that application has the right to require the described in any item latch assemblies of 1-5.

7. air automated collection systems as claimed in claim 6, which is characterized in that it further include unmanned plane, sampling module, it is described Charging module is used to carry out unmanned plane wireless charging, and for the sampling module for acquiring air sample, sampling module passes through card Lock set is installed on unmanned plane.

8. air automated collection systems as claimed in claim 7, which is characterized in that the sampling module includes gas storage frame, divides Gas plate, bronchus and the commutation valve group being mounted on bronchus are respectively fixed with fixing chuck plate, lower branch on the gas storage frame Plate, several gas storage box；The corresponding commutation valve group of each gas storage box, and several commutation valve groups are installed on each bronchus, it props up Tracheae one end connects with after the lower carrier plate that the lower carrier plate assembly far from air dividing plate is fixed, the other end passes through close air dividing plate with reversing groove It is logical；Gas storage box exhaust nozzle is also separately installed on each gas storage box；Air dividing plate is fixed on gas storage frame, and the reversing groove is arranged In air dividing plate；

It is additionally provided with total air flue inside the air dividing plate, exhaust sliding slot, switching mounting groove, runs through guide groove；Each reversing groove pair Ying Yigen bronchus, and reversing groove is connected to total air flue, total air flue is closed at one end, the other end is connected to gas main one end, total gas The outlet of the pipe other end and booster pump, the import of booster pump and the outlet of air pump, the import of air pump and air intake duct one End connection, the air intake duct other end are communicated with the atmosphere；

The exhaust sliding slot is arranged between two reversing grooves and is connected to total air flue, is equipped with reversal valve in the reversing groove Block is respectively arranged with commutation short slot, connection stomata on conversion valve block；It is fixed at the top of the conversion valve block with the assembly of valve rod one end, The valve rod other end is packed into switching mounting groove and is fixed with holding slide plate on this end, and the valve rod can slide axially and valve rod is located at It keeps slide plate and switches to be set with valve rod pressure spring on the part between mounting groove inside bottom surface；

Slide plate is kept to be connected and fixed by connection slide plate with limit plate, connection slide plate engages with through guide groove, slidably assembles；

It is provided with limition orientation slot on the limit plate, the limition orientation slot is by tiltedly upper slot part, top arc slot part, obliquely downward Slot part is constituted, and top arc slot part respectively will tiltedly upper slot part, slot part is connected to obliquely downward, tiltedly upper slot part, obliquely downward groove portion Divide since top arc slot part connectivity part starts to be obliquely installed separately down, and tiltedly the least significant end of upper slot part is lower than groove portion obliquely downward The least significant end divided；When original state, tiltedly the least significant end of upper slot part engages with the second spacer pin, slidably assembles；Described second Spacer pin is fixed on limit one end of the connection board, and the limit connecting plate other end is hinged by the first spacer pin and air dividing plate.

9. air automated collection systems as claimed in claim 8, which is characterized in that air storage bag is installed in the gas storage box, Air storage bag has elasticity and is contraction state when original state, is hollow storage chamber inside air storage bag, the sky that when use samples Gas is stored in storage chamber；Storage chamber is connected to gas storage box exhaust nozzle, gas storage box air inlet pipe one end respectively；

It is also equipped with gas storage microswitch, elastic component in the gas storage box, the elastic component includes fixed part, elastic part, The elastic part has the triggering end face of elasticity and its open end and gas storage microswitch；The meeting after air storage bag expands completely Driving elastic part overcomes own resilient to rotate to gas storage microswitch, until triggering gas storage microswitch, is judged as storage at this time The sample of air bag storage reaches maximum value.

10. air automated collection systems as claimed in claim 8, which is characterized in that the commutation valve group includes valve body, switch Valve, the valve inner are hollow valve chamber, seal in valve chamber, are axially slidably equipped with piston, and set on valve chamber inner wall Be equipped with the first connectivity slot, the second connectivity slot, be provided with sealing station between first connectivity slot, the second connectivity slot, sealing station with Piston seal assembly；

The piston is towards being provided with piston short slot on the first connectivity slot side, piston short slot is used for the first connection when use Slot, the connection of the second connectivity slot；Guides stem is fixed on described piston one end, guides stem is packed into the interior valve cylinder of guiding valve cylinder And it slidably assembles therewith；Resistance pressure spring is set with outside the guiding valve cylinder and guides stem；

Switch air bag is installed, switch air bag is connected to switch gas nozzle, switch tracheae one end respectively, described on the inside of the position-limiting drum The switch gas nozzle other end is pierced by valve body, and the switch tracheae other end is connected to after being pierced by valve body with the exhaust header pipe of switch valve；

The valve chamber is also connected to commutation air inlet tube head, excessively trach head, exhaust header pipe one end respectively, the commutation air inlet tube head, Cross trach head to be connected on bronchus respectively, the inlet communication of exhaust header pipe and gas storage check valve, the outlet of gas storage check valve with The connection of gas storage box air inlet pipe；

The commutation air inlet tube head also passes through bridge pipe and is connected to the switch air inlet pipe of switch valve；The driving air inlet of the switch valve It is connected to inside pipe and air storage bag；Close to piston end surface, the resistance spring is applied to piston for the exhaust header pipe and valve chamber connectivity part Add the thrust compressed with switch air bag；

The switch valve includes switching valve body, is hollow switch valve chamber inside switching valve body, is provided on switch valve cavity wall Switch air slot, it is described switch valve chamber be not provided with switch air slot part with switch valve plug sealing, can slide axially assembly, The switch valve plug is internally provided with valve plug gas port, valve plug gas port penetrating switch valve plug；

The switch valve chamber is connected to driving air inlet pipe, switch air inlet pipe, exhaust header pipe one end respectively, and switchs valve chamber close to drive The first position-limiting drum is fixed in dynamic air inlet pipe one end, the first position-limiting drum is mobile most to driving air inlet pipe for limit switch valve plug Big displacement；

End face and pressure maintaining pressure spring one end of the switch valve plug far from driving air inlet pipe compress, and the pressure maintaining pressure spring other end is sleeved on the On two position-limiting drums, the second position-limiting drum is fixed on that switch valve is intracavitary, and the maximum that its end face is moved for limit switch valve plug to it Displacement.