CN105806670B - A kind of AUTOMATIC STATIC case jacking system for automatic gas sample collection station - Google Patents
A kind of AUTOMATIC STATIC case jacking system for automatic gas sample collection station Download PDFInfo
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- CN105806670B CN105806670B CN201610108708.8A CN201610108708A CN105806670B CN 105806670 B CN105806670 B CN 105806670B CN 201610108708 A CN201610108708 A CN 201610108708A CN 105806670 B CN105806670 B CN 105806670B
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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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Abstract
The present invention relates to a kind of AUTOMATIC STATIC case jacking system for automatic gas sample collection station, the automatic gas sample collection station includes being used for the AUTOMATIC STATIC case and AUTOMATIC STATIC case jacking system for gathering gas, and the AUTOMATIC STATIC case includes a base fixed and the liftable main frame of relative base；The AUTOMATIC STATIC case jacking system includes guide support pipe, DC speed-reducing, lifting arm, leading screw, sliding block, pedestal, magnet, magnetic induction probe and guide groove, slide block set is on screw mandrel, sliding block is connected with lifting arm one end through guide groove, the other end of lifting arm is connected to the main frame of AUTOMATIC STATIC case, and the top of guide groove is provided with deflection groove obliquely.For the present invention using screw mandrel lifting AUTOMATIC STATIC case, saving electric power simultaneously ensure that high reliability, and can be deflected after AUTOMATIC STATIC case lifting to top, significantly reduce AUTOMATIC STATIC case to by the influence of geodesic block.
Description
This case be the applying date on 04 10th, 2014, Application No. 2014101414555, entitled " one kind is used
In greenhouse gas emission flux monitoring automatic gas sample collection station " patent application divisional application.
Technical field：
The present invention relates to automatic gas sample collection, particularly relates to a kind of for monitoring gas discharge in Atmospheric Condition
AUTOMATIC STATIC case jacking system in the automatic sample harvester of flux, it is (short to be mainly used in research farmland, meadow and forest land
Forest) soil and corresponding growing plants body speed monitoring from emission greenhouse gas to air when gaseous sample automatic data collection dress
Put, it can also be used to the gaseous sample automatic data collection in other gaseous environments.
Background technology：
Climate change is one of sixty-four dollar question that the current whole mankind must face, and mainly weather general trend becomes
Warm, the every aspect lived to whole earth environment and the whole mankind all produces important influence.It is current scientific investigations showed that：
Climate warming is mainly a large amount of greenhouse gases of mankind's activity discharge, is caused caused by atmospheric environment integrally heats.According to international gas
Changeement most the 5th assessment report of Intergovernmental Panel on Climate Change of authoritative institution (IPCC) is waited to point out：Climate warming
95% is probably the greenhouse gases put due to mankind's movable rows such as combustion of fossil fuel and land use change survey (mainly including dioxy
Change carbon, methane and nitrous oxide etc.) cause caused by the increase of atmospheric greenhouse gas concentration.From human industryization text in 1750
Since bright, mankind's activity has greatly accelerated the emission greenhouse gas into air, sharply increases its concentration, three kinds of most important temperature
Room atmospheric carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O concentration value) is respectively from preindustrial 280,0.72 and
0.27ppm increased to 2012 393,1.819 and 0.325ppm, and current amplification is still accelerating, at past more than 130 years
In (1880~2012 years), the average earth's surface temperature in the whole world raises 0.85 DEG C.Future Climate will further warm, it is contemplated that to 21 century
Last temperature will at least rise 1.5 DEG C.
Developed country is to development China in the 13rd conference of contracting party of the Global climate change held in Bali in 2007
Family proposes that greenhouse gases are measurable, can report and verifiable specific requirement, and this needs substantial amounts of sample collection analysis ability
Realize.The current greenhouse gas emission total amount of China has leapt to the first in the world, and China is in reply climate change in conference negotiation
The pressure faced with GHG emissions mitigation aspect is increasing.The emission monitoring of greenhouse gases is to carry out climate change research
Basis, its method for measuring are extracted at regular intervals mainly by closed static chamber on by geodesic block face cap
One gaseous sample, using each gaseous sample percent of greenhouse gases concentration of gas Chromatographic Determination, by multiple samples of extraction
The situation of change of greenhouse gas concentration calculates the emission flux of greenhouse gases, namely the mass rate of emission of greenhouse gases.Gas at present
The collection of body sample is most or is carried out by the way of manually gathering.
Artificial gas's sample collection mainly has several big inferior positions：1) sample collection workload is very huge.Sometimes single point sample
The collection of product just at least needs 2 people to coordinate and the repetitive operation such as removes top box, gather, clock, and is adopted if multiple points carry out contrast
When sample is studied, due to the time comparability for needing to sample, each sampled point needs 1 people, it is necessary to which more people adopt to difference simultaneously
Sample, manpower demand are bigger；2) interference manually to sampling is big.The CO of people itself breathing is sampled during artificial collection sample2And pin
Step activity, top box take disturbance of the work such as gas to soil all to produce larger interference to sample collection；3) it is not easy to round-the-clock
Sampling.When weather conditions are bad, time point is improper or night needs sampling, artificial sample is just very restricted；4)
Artificial sample individual error is big, error-prone.Sampling can produce difference because of the mode of operation of different people, and artificial sample timing is not
May be very accurate, and the calculating of gas flux is strictly calculated by the unit interval, the speed of operation causes the error calculated
Become big, while the error of artificial possibility can also produce certain influence to gas collecting.
In order to overcome unfavorable factor during Artificial gas's sample collection, the present invention intends developing a kind of full automatic greenhouse gases
Acquisition station, automatic switch closed box, automatic can be realized according to the sampling time of setting and requirement under conditions of unattended
Collection gaseous sample is simultaneously stored in sealing Dewar bottle, by manually regularly replacing gaseous sample bottle, realizes greenhouse gases sample
Automatic data collection.
Both at home and abroad at present also have some automatic gas sample device, than it is more typical have adopted automatically using bladders and negative pressure
Collect sample, it is applied to the sample collection of long-time atmospheric environment average air quality, and collection is long-time air quality
One average value, is not suitable for the observation of greenhouse gases flux, and automaticity is not also high；What it is also than more typical one kind is just
The gas sample collector of formula to be taken, is mainly used for the sample detecting of live air quality, it is also only applicable to the collection of single sample,
Also must someone scene participate in could realize.There is presently no the full-automatic harvester of research greenhouse gases flux.
The present invention will add solar panels to power using battery, can be with all weather operations, and also remote controlled, being mainly used in need to
In the scientific research for wanting a large amount of greenhouse gases sample collections, the effect that gaseous sample gathers in Greenhouse will be greatly enhanced
Rate, to tackle climate change service.
The content of the invention：
For the unfavorable conditions of above-mentioned artificial sample, the main object of the present invention is to provide one kind and is used for automatic gas sample
The AUTOMATIC STATIC case jacking system of acquisition station.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：
A kind of AUTOMATIC STATIC case jacking system for automatic gas sample collection station, the automatic gas sample collection station
Including the AUTOMATIC STATIC case and AUTOMATIC STATIC case jacking system for gathering gas, the AUTOMATIC STATIC case includes a bottom fixed
Seat and the liftable main frame of relative base；The AUTOMATIC STATIC case jacking system include guide support pipe, DC speed-reducing,
Lifting arm, leading screw, sliding block, pedestal and guide groove, guide support pipe are the tube-like piece being fixed on pedestal, and it is towards described automatic
The side of static chamber opens up guide groove, and internal axis position is provided with the screw mandrel with external screw-thread, screw mandrel upper end and the direct current
The output axis connection of reducing motor, the slide block set provided with internal whorl is on screw mandrel, sliding block and the lifting arm through guide groove
One end connects, and the other end of lifting arm is connected to the main frame of AUTOMATIC STATIC case.
In above-mentioned AUTOMATIC STATIC case jacking system, the top of the guide groove is provided with deflection groove obliquely, is being oriented to
Sliding block deflects to deflection groove direction when the sliding block slided in groove is lifted to deflection groove position.
In above-mentioned AUTOMATIC STATIC case jacking system, magnet is fixed with the sliding block, is deflected below groove and under guide groove
Magnetic induction probe is equipped with outside the guide support pipe of side.
In above-mentioned AUTOMATIC STATIC case jacking system, the lifting arm includes two parallel horizontal solid bars and connection
A vertical solid bar among two horizontal solid bars.
In above-mentioned AUTOMATIC STATIC case jacking system, screw mandrel outer cover is equipped with two sliding blocks, the deflection groove on guide groove top
It is correspondingly provided with two, the distance between two sliding blocks of the distance between two deflection grooves are equal.
In above-mentioned AUTOMATIC STATIC case jacking system, the lifting arm includes two parallel horizontal solid bars and connection
A vertical solid bar among two horizontal solid bars, two horizontal solid bars connect described two sliding blocks respectively.
In above-mentioned AUTOMATIC STATIC case jacking system, magnet is fixed with underlying sliding block, corresponding to the sliding block
Deflection groove below guide support pipe outside be provided with magnetic induction and pop one's head in, and outside the guide support pipe below the guide groove
Popped one's head in provided with magnetic induction.The present invention for employing above-mentioned technical proposal has advantages below：
The present invention is saved electric power and ensure that high reliability, and worked as AUTOMATIC STATIC case using screw mandrel lifting static chamber
It can be deflected after being lifted to top, significantly reduce AUTOMATIC STATIC case to by the influence of geodesic block；In addition, static chamber uses
The water-sealing system of automatic water supplement, it ensure that the seal of AUTOMATIC STATIC case；
The screw mandrel lifting positioning of the present invention was both protected using magnet and magnetic induction probe positioning method, this contactless positioning
The smooth of motion has been demonstrate,proved, in turn ensure that the precision of positioning.
Brief description of the drawings：
Fig. 1 is the total structure schematic diagram of the present invention
Fig. 2 is AUTOMATIC STATIC bottom of the present invention and water-sealing system organigram
Fig. 3 is partial enlarged drawing at the top of guide groove of the present invention
Fig. 4 is needle holder sectional view of the present invention
Fig. 5 is inserting needle sliding block top view of the present invention
Fig. 6 is end elevation view at the top of axis of the present invention
Fig. 7 is axis bottom end face front view of the present invention
Fig. 8 is disk front view on inventive samples disk
Fig. 9 is inventive samples disk mid-game front view
Figure 10 is inventive samples disk lower wall front view
Figure 11 is invention seal bottle cap sectional view
Figure 12 is invention control workflow diagram
Embodiment：
As shown in figure 1, the present invention " a kind of automatic sample acquisition station for greenhouse gas emission flux monitoring " includes one
Power-supply system 10, a master control system 20, an AUTOMATIC STATIC case 30, a water-sealing system 40, an AUTOMATIC STATIC case jacking system 50,
One gas production system 60, two gas injection systems 70, an alignment system 80 and a sample collecting system 90 are totally 9 most of, 9 big with this below
Partial composition structure, assembling and function is realized to be introduced respectively.
Power-supply system 10 as shown in Figure 1 includes battery 11, charge control module 12, solar panels 13, power supply voltage stabilizing
Module 14, electric wire 15, fix bar 16 and control cabinet 18.Power source of the battery 11 as whole device, on the one hand passes through electricity
Line is connected with charge control module 12 and solar panels 13, system is absorbed the energy of the sun by solar panels 13, charged
Control module 12 saves solar energy in battery 13 after changing；On the other hand, the electric power in battery 13 passes through electric wire 15
Output, after the voltage stabilizing of power regulator module 14, powers to master control borad 21, ensures the supply of electric power of whole device.Solar panels 13
The upper end of fix bar 16 is connected by the back side by screw (not showing in Fig. 1) with solar panels 13, and the lower end of fix bar 16 is directly inserted
Enter in the earth 17, for fixing solar panels 13.Battery 11, charge control module 12 and power regulator module 14 load control
In case 18 processed, the influence to its performance such as outside wind, rain and radiation is prevented.
Master control system 20 as shown in Figure 1 includes master control borad 21, signal input module group 22, main control chip 23, display core
Piece 24, wireless communication module 25, LCDs 26, button 27, signal output module group 28, antenna 29 and fix bar 16.It is main
Control plate 21 is the control centre of the present invention, is integrated with power regulator module 14, signal input module group 22, main control chip 23, aobvious
Show chip 24, wireless communication module 25 and signal output module group 28, each module undertakes corresponding function action, wherein master control core
Piece is responsible for controlling the work of all other part on master control borad 21.Power regulator module 14 is used to keep the whole of the supply of battery 13
The stabilization of individual system voltage.Signal input module group 22 is used for the signal for receiving all external probes.Signal output module group 28
It is that master control borad performs order by action component transmission of this module to outside.Display chip 24 passes through electric wire 15 and liquid crystal display
Screen 26 is connected, and for the state of display system, master control system can be controlled to run by the operation of button 27.Wireless communication module 25
Remote transmission is formed with antenna 29 and receives communication system, be able to can also both be received with the state and data of wireless transmission system
The signal that distance host is sent, realize that remote parameter is set, status inquiry and manipulation are run.Signal output module group 28 uses
Electric wire 15 is connected with each function executing unit part, and output control order makes each functional part collaborative work realize that automatic gas gathers.
In master control system 20 in addition to antenna 29 is in the outside of control cabinet 18, remaining part is mounted in waterproof control cabinet 18, control cabinet
18 are connected by screw with fix bar 16, and by fixed in the insertion of fix bar 16 the earth 17.
AUTOMATIC STATIC case 30 as shown in Figure 1 includes main frame 31, polycarbonate plate 32, base 33, air themperature probe
34th, radiation shield 35, air humidity probe 36, soil moisture probe 37, soil moisture probe 38 and fan 39.Main frame 31 by
Stainless steel bar seamless welding forms a cylindrical frame, in the side of cylindrical main frame 31 and top respectively covered with poly- carbon
Acid esters plate 32, polycarbonate plate 32 is fixed on main frame with screw (not showing in Fig. 1), and is sealed using transparent sealant.
The hangs inside of main frame 31 has air themperature probe 34 and air humidity probe 36, and the top of its air temperature probe is also pacified
Equipped with a radiation shield 35, for preventing influence of the solar radiation to temperature measuring.Structure chart such as Fig. 2 of the base 33 of static chamber
It is shown, it is a cylindrical stainless steel tube inside base 33, lower end is inserted in the earth 17, in the inner cylinder tube outside of base 33
Between the vertical one circular stainless steel plate of seamless welding in position, then the outer for the cylindrical plate welded upwards vertically without seam weld
A cylindrical stainless steel tube is connect, and the height of this cylindrical tube will be less than the height of the inner circular column jecket of base 33, make base 33
Outer circle column jecket, cylindrical tube seamless welding forms an outer low and inner high tank 47, and main frame in circular stainless steel plate
External diameter after the covering polycarbonate plate 32 of frame 31 is greater than the internal diameter of tank 47 and less than the external diameter of tank 47, when AUTOMATIC STATIC case
The bottom of 30 main frame 31 is vertically fallen into tank 47, and in tank 47 when being full of water, can be by inside AUTOMATIC STATIC case
Air completely cuts off with extraneous air sealing.Overground part kind is implanted with plant 331 in base 33, and underground part is embedded with soil in base 33
Earth temp probe 37 and soil moisture probe 38.A fan 39 being also equipped with AUTOMATIC STATIC case inner tip, being mixed during for determining
Gas in even case.
Water-sealing system 40 as shown in Figure 1 include shelf 41, water tank 42, magnetic valve 43, water pipe 44, fixing screws 45,
Water level switch 46 and tank 47.Shelf 41 is stainless steel plate of the bending for 90 degree of right angles, is fixed on using screw (not showing in Fig. 1)
On base 33, water tank 42 is placed with shelf 41, and magnetic valve 43, water tank 42 and magnetic valve 43 are installed with fixing screws 45
And connected between magnetic valve 43 and tank 47 using water pipe, a water level switch 46 is also equipped with tank 47, when needing water filling,
Magnetic valve 43 is opened, the water in water tank 42 is injected in screw clamp 47 by water pipe 44 and magnetic valve 43, is reached water level to water filling and is opened
After closing 46 setting value, master control borad 21 can send instruction and close magnetic valve 43 and stop water filling.
AUTOMATIC STATIC case jacking system 50 as shown in Figure 1 includes guide support pipe 51, DC speed-reducing 52, lifting arm
53rd, screw mandrel 54, sliding block 55, pedestal 56, guide groove 57, magnetic induction probe 58, magnet 59 and fix bar 16.Guide support pipe 51 is
One section of heavy wall stainless steel tube, stator is welded with the top of pipe, for fixing DC speed-reducing 52 using fixing screws 45,
A guide groove 57 is provided with the one side of the face AUTOMATIC STATIC case 30 of guide support pipe 51, Fig. 3 is the partial enlargement of guide groove 57
Figure, there be two deflection grooves 571 obliquely and deflection groove 572 in the top of guide groove 57 as shown in Figure 3, in deflection groove 572
The outside of lower section guide support pipe 51 is further fixed on a magnetic induction switch 58, has one section of silk in the internal axis of guide support pipe 51
Bar 54, the central upper portion of screw mandrel 54 have a circular hole, and the axle of DC speed-reducing 52 can be stretched into inside screw mandrel 54, and both use fixation
Screw 45 connects, and is equipped with two supporting cylindrical sliders 55 on screw mandrel 54, the screw thread at the center of sliding block 55 with screw mandrel 54
Screw thread it is supporting.Lifting arm 53 is to be welded as figure by two parallel stainless steel solid rods and a vertical stainless steel solid rod
Shape shown in 1, one of lifting arm are fixed on the main frame 31 of AUTOMATIC STATIC case 30 using screw, and the other end then passes through
Guide groove 57 is connected using screw (not showing in Fig. 1) with upper sliding block 55.Also punching is embedded with a cylinder on sliding block
Magnet 59.Guide support pipe 51 is welded on one piece of stainless steel pedestal 56, is had two fixing holes on pedestal 56, is used fixed column 16
Hammer into the earth 17, AUTOMATIC STATIC case jacking system 50 is fixed on the ground.The lifting of AUTOMATIC STATIC case 30 is slowed down by direct current
The rotating band movable slider 55 of motor 52 moves, because lifting arm 53 can only move in guide groove 57 so that sliding block 55 drives lifting
Arm 53 and connected AUTOMATIC STATIC case main frame 31 move together, when sliding block 55 is risen at the top of guide groove, due to guide groove
571 and deflect while guide groove 572, drive AUTOMATIC STATIC case 30 to be deflected to same direction, can so reduce AUTOMATIC STATIC
Influence of the masking of case to measured plant growth, the magnet being fixed on sliding block 55 and the magnetic being fixed on outside guide support pipe 51
Inductive probe can make the degree in place that system detectio lifts to AUTOMATIC STATIC case.
Gas production system 60 as shown in Figure 1 includes bottom plate 61, tracheae 62, gas production pump 63, return-air magnetic valve 64, channel selecting
Magnetic valve 65, needle holder 66, sealing ring 67, interior gas production syringe needle 68, outer gas production syringe needle 69 and side opening 681.Gas production pump 63, return-air return
Pneumoelectric magnet valve 64 and channel selecting magnetic valve 65 are all fixed on bottom plate 61 using fixed screw 45, have hole to supply two on bottom plate 61
Tracheae 62 passes through and is passed through the center of needle holder 66.Gas in AUTOMATIC STATIC case 30 enters at the tracheae 62 in the portion that inserts into the inner,
Twitched through gas production pump 63 and be conveyed into return-air magnetic valve 64 through exporting tracheae 62, return-air magnetic valve 64 is a two-position three-way electromagnetic
Valve, when its no power is closed, left side air inlet communicates with top gas outlet, and gas can be again by top exit phase
Even tracheae feeds back to closed AUTOMATIC STATIC case 30, so plays with the gas bleed gas production in AUTOMATIC STATIC case 30 to be collected
The effect of used tracheae 62, the gas for ensureing to extract at utmost approach with the gas in AUTOMATIC STATIC case 30.Work as return-air
When magnetic valve 64 is opened, the port closing at the top of it, while the gas outlet on the right is opened, the gas in tracheae 62 is by gas production pump 63
Extraction is transported to channel selecting magnetic valve 65, and the structure of channel selecting magnetic valve 65 is similar to return-air magnetic valve 64, when its is obstructed
When being electrically turn off, left side air inlet communicates with top gas outlet, when its energization is opened, left side air inlet and the right gas outlet phase
Logical, master control borad 21 can select different gas passages to deliver gas to hollow interior gas production pin by opening or closing this valve
First 68 or outer gas production syringe needles 69, there is a circular side opening close to needle tip side in interior gas production syringe needle 68 or outer gas production syringe needle 69
681, it can prevent the broken foam of sealing gasket during inserting needle from blocking syringe needle.Needle holder 66 is securable to inserting needle sliding block 73 with fixing screws 45
On, Fig. 4 gives its profile, and its right and left has the screw hole 661 that a fixing screws 45 may pass through, in needle holder
Center have one can the air inlet pipe hole 662 that passes through of air supply pipe 62, the bottom of needle holder 66 has screw thread to be available for connecting needle, such as Fig. 1
Shown in there is screw thread to revolve in needle holder 66 inside interior gas production syringe needle 68 and outer gas production syringe needle 69, tracheae 62 passes through pin
" O " type sealing ring 67 after headstock 66, is arranged with, is compressed when interior gas production syringe needle 68 or outer gas production syringe needle 69 are tightened with needle holder 66
" O " type sealing ring 67, it is air tight between guarantee needle holder 66, tracheae 62 and outer gas production syringe needle 68 or interior gas production syringe needle 69.
Gas injection system 70 as shown in Figure 1 include inserting needle motor 71, fixing screws 45, inserting needle screw mandrel 72, inserting needle sliding block 73,
Guide rod 74, probe fixed plate 75, lock-screw 76, magnetic induction probe 58 and magnet 59.Fig. 1 shows two sets of gas injection systems
70, now to introduce its structure by paracentral gas injection system 70, inserting needle motor 71 is fixed on bottom plate 61 using fixing screws 45
On, the axle of inserting needle motor 71 passes through bottom plate 61, there is an inserting needle screw mandrel 72, the top of inserting needle screw mandrel 72 in the lower section of inserting needle motor 71
Radially there is a circular hole in portion, and the axle of inserting needle motor 71 is extend into the center hole of inserting needle screw mandrel 72, and uses fixed spiral shell
Nail 45 is fixed.The inserting needle sliding block 73 of a cylinder is equipped with inserting needle screw mandrel 72, Fig. 5 shows the top view of inserting needle sliding block,
The screwed hole of centre 731 of inserting needle sliding block 73 and the external screw thread of inserting needle screw mandrel 72 are supporting, there is the needle stand of a fixed needle stand 66 on the left of sliding block
Groove 732, there are a needle stand hole 733 and two needle stand fixing screwed holes 734 in needle stand groove 732, needle stand 66 can be installed on
Fixed on inserting needle sliding block 73 and using fixing screws 45.There is a pilot hole 735 on the right side of inserting needle sliding block 73, can be directed to
Bar 74, which is worn, to be wherein used to be oriented to, and a magnet 59, the perception for needle position are also embedded with the rightmost side of inserting needle sliding block 73.
The installation of guide rod is shown in Fig. 1, its end using interference fit by the way of be inserted into bottom plate 61, it is vertical with bottom plate 61 simultaneously
And pass through the pilot hole 735 of inserting needle sliding block 73.There is a probe fixed plate 75 in the side of guide rod 74, this probe fixed plate bending
Placed in 90 degree of right-angled verticals, the one side parallel with bottom plate 61 is fixed on bottom plate 61 by fixing screws 45, makes to place vertically
One side it is parallel with guide rod 74, when inserting needle motor 71, which rotates, drives inserting needle screw mandrel 72 to rotate, due to the guiding of guide rod 73
Effect so that inserting needle sliding block 73 is for linear motion on inserting needle screw mandrel 72, when inserting needle sliding block 73 transports to inserting needle screw mandrel 72 most
Upper end or bottom are entered, the place of the face of magnet 59 on it, and super glue is used respectively in probe fixed plate 74
One magnetic induction probe of bonding, for perceiving whether inserting needle sliding block moves in place, inserting needle sliding block is fixed on so as to indicate
Whether the syringe needle in needle holder 66 on 73 moves in place.Also one is fixed with the end of inserting needle screw mandrel 72 using threaded connection
Lock screw 76, for preventing the rotation of inserting needle sliding block 73 from skidding off inserting needle screw mandrel 72.
Alignment system 80 as shown in Figure 1 includes positioning motor 81, axis 82, neck 83, bayonet lock 84, bearing 85, nut
86th, positioning screw 87, bottom 88, magnetic induction probe 58, magnet 59, foot pad 89 and fixing screws 45.Positioning motor 81 uses solid
Determine screw 45 to be fixed on outer cover 98, power is provided for rotational positioning.The shaft extension of positioning motor 81 enters the inside of axis 82, fixed
The motor Axial and radial of position motor 81 has an aperture, the bayonet lock 84 of a cylinder can be interference fitted through motor shaft, make bayonet lock
84 perpendicular to motor shaft.Fig. 6 shows the top top view of axis 82, and there are a circular hole 821, positioning electricity in the top center of axis 82
The motor shaft of machine 81 can stretch into wherein, and what is be connected with center hole 821 also has the neck 83 of a strip, by motor shaft pair
Director circle hole 821, bayonet lock 84 can be got up positioning motor 81 and the clamping of axis 82 to secondary neck 83.Fig. 7 shows axis 82
Bottom top view, there is a bearing 85 in the bottom center of axis 82, respectively have the screw hole of a fixation on the both sides of bearing 85
822.Axis 82 is fixed on lower wall 93 by two fixing screws 45 through lower wall 93.There is a bottom at the maximum end of axis 82
88, bottom 88 is a circular threaded lid, and there is screwed hole center, is fixed on bottom 88 by the way of bonding
There is foot pad 89, bottom 88 is stood on the ground.After thering is a positioning screw 87 to pass through the screwed hole at the center of bottom 88, nut is used
86 lockings, are then passed through the centre bore that lower wall 93 stretches into bearing 85.
Sample collecting system 90 as shown in Figure 1 includes upper disk 91, mid-game 92, lower wall 93, gas cylinder 94, closure 95, double
Header stud 96, hollow pipe 97, magnet 59 and outer cover 98.The top view of disk 91 is as shown in figure 8, equal with circular manner on disk in sample disc
Even that two circle gas cylinder holes 911 are distributed with, the inner ring of disk 91 has 6 gas cylinder holes 911 in the present invention, and there are 12 gas cylinder holes 911 outer ring, upper
The extended line that the disk center of disk 91 is connected with each center of gas cylinder hole 911 buries a cylinder-shaped magnet with disk outer intersection
59, because the upper center of disk 91 overlaps with inner ring gas cylinder hole 911 with the line of outer ring gas cylinder hole 911, outer ring magnet in the present embodiment
12 are shared, in addition, also having a reversely installation magnet 591 in the outer of upper disk, for positioning the initial position of upper disk, upper disk
There are four screw fixed holes 912 on 92, there is an axle center hole for being available for axis to pass through 913 at center.The top view of mid-game 92 is such as
Shown in Fig. 9, its with upper disk 91 main difference is that not embedded magnet 59 and reverse magnet 591, be also divided to inside and outside two circle equal on disk
It is even that gas cylinder hole 921, screw fixed hole 922 and axle center hole 913 is distributed with.The top view of lower wall 93 is as shown in Figure 10, with mid-game 92
Difference be there is no gas cylinder hole, add two screw fixed holes 931, axle center hole 933 diminishes, screw fixed hole 932 it is relative
Position is consistent with mid-game 92.As shown in figure 1, upper disk 91, mid-game 92 and the connection of lower wall 93 use studs 96 and sky
Heart pipe 97, fixing screws 45 pass through below the fixing screw hole 932 of lower wall 93, are then passed through consolidating for hollow pipe 97 and mid-game 92
Screwed in after determining screw hole 922 in studs 96, another fixing screws 45 pass through disk body from the fixing screw hole 912 on upper disk 91
Screw in afterwards in studs 96, four screw holes of correspondence of upper disk 91, mid-game 92 and lower wall 93 connect into this way
One complete sample disc 99, then the axle center hole 913 of axis 82 from upper disk 91 is penetrated, it is then passed through the axle center hole 922 of mid-game 92
It is in close contact, reuses in being screwed into after fixing screws 45 pass through from the lower screw fixing hole 931 of lower wall 93 with lower wall 93 afterwards
In the screw fixed hole 822 of axle 82, sample disc 99 and axis 82 are connected.Placed in the gas cylinder hole 911 of sample disc 99
There is screw socket gas cylinder 94, closure 95 has been screwed on screw socket gas cylinder 94, Figure 11 is the sectional view of closure 95, has circle in closure
There is a circular hole 952 for being available for syringe needle 68 to pass through at flap seal rubber blanket 951, bottle cap center, closure 95 using screw thread 951 with
Screw socket gas cylinder 94 is connected, and after closure 95 screws, rubber blanket 951 can ensure the sealing of gas cylinder 94.As shown in figure 1, the bottom of at
One outer cover 98 is arranged at the top of disk 88, and outer cover 98 is made of transparent plastic, in the big screw socket doleiform shape of back-off cylinder, uses spiral shell
Line is connected on chassis 88, is connected on the top of outer cover 98 using studs 66 and fixing screws 45 with bottom plate 61, outer cover 98
At least it is connected with bottom plate 61 using three studs 66, ensures that it is connected firmly.Disk is right against in the inwall of outer cover 98
91 one of magnet 59 and the position of reverse magnet 591, a magnetic induction probe 58 is bonded with respectively and is used for perceiving sample
The rotation position of disk 99.The positioning method of sample bottle 94 is：Power, which is provided, using positioning motor 81 rotates clockwise axis 82, in
Axle 82 drives the sample disc 99 for being fixed on its bottom to rotate clockwise together, when the reverse magnet 591 on upper disk 91 turns to it
During the position of the corresponding magnetic induction probe 58 being fixed on outer cover, master control system 20 sets it to initial position, gas cylinder
Numbering is set to 0, and then sample disc continues to rotate clockwise, and when often turning to, a magnet 59 in upper disk is relative with magnetic induction probe
At once, inner ring or the gas cylinder of outer ring 94 are then directly turned to the top positioning of injection needle 68 in sample disc 99 corresponding to making, to adopt
Collection gas is prepared, and sample disc often rotates the position of a magnet 58, then the inner ring of sample disc 99 or the gas cylinder of outer ring 94 count just
Increase a bottle position, when when sample disc turns around from original position rotation and going to the position of reverse magnet 591, gas cylinder 94 is again from 0
Start to reposition and count.
Assembling and the function embodiment of each funtion part of the present invention are described above, for Fig. 1 and Figure 12
Bright overall fitting embodiment of the present invention.After each part installation in the way of Fig. 1 as described above, by air themperature
Probe 34, air humidity probe 36, soil moisture probe 37, soil moisture probe 38, water level switch 46 and all magnetic induction
Probe 58 accesses master control borad 21 using electric wire 15 from signal input module group 22, by fan 39, magnetic valve 43, DC speed-reducing
52nd, return-air magnetic valve 64, channel selecting magnetic valve 65, inserting needle motor 71 and positioning motor 81 access from signal output module group 28
Master control borad 21, master control system is set to be controlled all electrical components of apparatus of the present invention.
Workflow diagram as shown in figure 12, after power-supply system 10 is powered to master control system 20, master control system 20 is carried out
Whether power-on self-test, detecting system all parts are normal, and various parts are resetted, if power-on self-test can not be by,
It is transmitted in the error message of liquid crystal screen display and by this error message by wireless module；If power-on self-test by rear,
Sampler is needed to carry out the setting of sampling parameter, and the setting of parameter can be wirelessly transferred setting by remote terminal, can also be led to
Onboard button 27 is crossed to set；After the parameter setting of sampling is good, it can be ordered by remote terminal or button issue operation,
Start the flow that samples automatically, now sampler is in a kind of SBR for waiting the sampling time to reach, can be with during this
Receive setting or action command；After the time sampling time of setting is reached, sampler enters sampling process, as shown in figure 1, by
The master control system 20 of sampler sends top box order to static chamber 30, and being powered to DC speed-reducing 52 makes motor shaft drive screw mandrel
54 rotations, screw mandrel 54 make straight line descending motion with movable slider 55 in the presence of guide groove 57, the lifting arm being connected with sliding block 55
53 act as straight line descending motion with static chamber main frame 31 1, until the magnet 59 on sliding block is fixed on the bottom of support tube 51
Magnetic induction probe 58 sense after stop, at this moment static chamber main frame 31 just falls in the tank 47 of base 33, complete lid
Static chamber acts；Magnetic valve 43 is now opened, the water in water tank 42 is flowed into screw clamp 47 by water pipe 44, when water level switch 46
When indicating that the water level in tank 47 has reached default height, the water in tank 47 seals static chamber main frame 31 and base 33
Get up, now close magnetic valve 43, cut off the injection of water, complete plus water-stop acts；Subsequent master control system opens fan 39, mixes
Gas in even AUTOMATIC STATIC case 30, gas production pump 63 is and then opened, gas transtracheal 62 is taken out by gas production pump 63 in static chamber 30
Take, the top exit of cooled via return air magnetic valve 64 is transmitted back in AUTOMATIC STATIC case 30 by tracheae 62 again, and this process main purpose is to make
With the pipeline of the gas bleed gas production in AUTOMATIC STATIC case, influence of the gas remaining in pipeline to gas production is reduced；Cleaning pipes
After the completion of, system opens return-air magnetic valve 64, gas is flowed out into channel selecting electromagnetism from the right side of return-air magnetic valve 64
Valve 65, system according to gas production need open or close channel selector valve, air-flow is led to interior gas production syringe needle 68 or outer gas production
Syringe needle 69, the effect of this process is with the gas washout gas production syringe needle and its connecting pipe in AUTOMATIC STATIC case 30, guarantee
The purity of gas production；Then master control system 20 controls the positioning of sample bottle, and its flow is that positioning motor 81 rotates and drives connection
Axis 82 and the upper disk 91 of sample disc, mid-game 92, lower wall 93 are rotated together, and gas cylinder 94 is positioned in sample disc also to be rotated in the lump,
Magnet 59 and reversely installation magnet 591 are distributed with the outer of upper disk, the initial bit that magnet is used to indicate sample disc is reversely installed
Put, magnet 59 is used for the position for indicating that sample disc is corresponding bottle position, when sample disc rotates to corresponding bottle position position so that corresponding
Magnet 59 when being sensed by magnetic induction probe, stop operating, interior gas production syringe needle 68 or outer gas production syringe needle 69 are also stopped to be collected
Gas cylinder 94 top, complete the location action of bottle；Followed by inserting needle gas production, its motion flow is to work as syringe needle and corresponding pipeline
After the completion of flushing, the rotation of inserting needle motor 71 drives inserting needle screw mandrel 72, and inserting needle screw mandrel 72 drives inserting needle sliding block 73, and inserting needle sliding block 73 exists
Slided on guide rod 74, drive connected interior gas production syringe needle 68 or outer gas production syringe needle 69 to move down, taken out below punctures
The rubber blanket 951 of the closure 95 of the gas cylinder 94 of vacuum, is inserted into vacuum gas cylinder 94, and rubber blanket 951 is in the presence of elasticity
Close syringe needle of holding tightly makes syringe needle be sealed with rubber blanket 951, when the magnet 59 of inserting needle sliding block 73 is by the magnetic of the bottom of probe fixed plate 75
Inductive probe 58 stops inserting needle when detecting, the gas in the AUTOMATIC STATIC case 30 now extracted through gas production pump 63 passes through tracheae
62nd, return-air magnetic valve 64, channel selecting magnetic valve 65 and syringe needle side opening 681, which are pressed into gas cylinder 94, gathers gas；Next it is complete
The gas production of Cheng Dangci sampled points acts, and this process is mainly dynamic including the withdraw of the needle, pass gas production pump 63, powered-down magnet valve 64,39 4, pass fan
Make, withdraw of the needle action and inserting needle act on the contrary, its flow is inserting needle motor 71 reversely rotate drive pin screw mandrel 72, inserting needle sliding block 73 with
And coupled interior gas production syringe needle 68 or outer gas production syringe needle 69 move upwards, syringe needle is extracted from gas cylinder 94, when inserting needle is slided
The stop motion when magnet 59 of block 73 is detected by the magnetic induction probe 58 on the top of probe fixed plate 75, completes withdraw of the needle action；Tightly
Then after the completion of withdraw of the needle action, the control of master control system 20 closes gas production pump 63, closes return-air magnetic valve 64 and fan 39, and then
The status data of system during record gas production, the gas production process of the 1st sampled point is completed, in order to determine the accurate of gas flux
Property, to be gathered typically in the case of top box 4~5 points times；Following master control system 20 judges whether sampled point terminates, if do not had
There is end, system enters the state for waiting next sampled point time, and after next sampled point time is reached, system will perform
As shown in Figure 1 carries out gas production from the flow for opening fan 39 to pass fan 39；After last sampled point terminates, master control system
AUTOMATIC STATIC case 30 is opened, its motion flow is on the contrary, by the master control system 20 of sampler to DC speed-reducing 52 with top box
Reversely being powered makes motor shaft drive the rotate counterclockwise of screw mandrel 54, and screw mandrel 54 is with movable slider 55, lifting arm 53 and static chamber main frame
31 ramp motion under the guiding of guide groove 57 together, when the magnet 59 on sliding block 55 is fixed on the top of support tube 51
Magnetic induction probe 58 sense after stop, AUTOMATIC STATIC case 30 is opened completely；After static chamber main frame 31 is opened, master control system
System checks whether the sampling task of all settings is completed, and does not complete such as, then system, which enters, waits next sampling time state, such as
All sampling tasks of fruit are over, and system just completes whole sampling process, into holding state, prepare to receive new sampling
Order；Flow chart dashed box part as shown in figure 12, if error, then master control system can stop sampling during sampling,
And the original state of sampling is returned to, error message is reported on screen, and error message is sent by wireless remote and reported.
The present invention is for the automatic Monitoring Design of greenhouse gases flux, can also be not connected to AUTOMATIC STATIC case, be set in program
The fixed action related to AUTOMATIC STATIC case 30 does not perform, directly gathers the gas in atmospheric environment, can be used for any air
Gaseous sample automatic data collection in environmental monitoring.
Claims (3)
1. a kind of AUTOMATIC STATIC case jacking system for automatic gas sample collection station, the automatic gas sample collection station bag
Include the AUTOMATIC STATIC case and AUTOMATIC STATIC case jacking system for gathering gas, it is characterised in that：
The AUTOMATIC STATIC case includes a base fixed and the liftable main frame of relative base；
The AUTOMATIC STATIC case jacking system include guide support pipe, DC speed-reducing, lifting arm, leading screw, sliding block, pedestal and
Guide groove, guide support pipe are the tube-like piece being fixed on pedestal, and it opens up guide groove towards the side of the AUTOMATIC STATIC case,
The top of guide groove is provided with two deflection grooves obliquely, and guide support pipe internal axis position is provided with the silk with external screw-thread
Bar, screw mandrel upper end and the output axis connection of the DC speed-reducing, two slide block sets provided with internal whorl are mounted on screw mandrel,
Sliding block is connected with lifting arm one end through guide groove, and the other end of lifting arm is connected to the main frame of AUTOMATIC STATIC case；It is described
Sliding block is fixed to the deflection of deflection groove direction, and on the sliding block when sliding block slided in guide groove is lifted to deflection groove position
There is magnet, being equipped with magnetic induction outside the guide support pipe below described guide groove bottom initiating terminal and the deflection groove visits
Head, movement and the inflection point of sliding block can be found out.
2. AUTOMATIC STATIC case jacking system according to claim 1, it is characterised in that the lifting arm is parallel including two
Horizontal solid bar and a vertical solid bar being connected among two horizontal solid bars, two horizontal solid bars difference
Connect described two sliding blocks.
3. AUTOMATIC STATIC case jacking system according to claim 1, it is characterised in that two sliding blocks of suit outside screw mandrel
The distance between described two deflection grooves are equal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108708.8A CN105806670B (en) | 2014-04-10 | 2014-04-10 | A kind of AUTOMATIC STATIC case jacking system for automatic gas sample collection station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610108708.8A CN105806670B (en) | 2014-04-10 | 2014-04-10 | A kind of AUTOMATIC STATIC case jacking system for automatic gas sample collection station |
| CN201410141455.5A CN103926115B (en) | 2014-04-10 | 2014-04-10 | A kind of automatic gas sample collecting station for greenhouse gas emission flux monitoring |
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| CN201410141455.5A Division CN103926115B (en) | 2014-04-10 | 2014-04-10 | A kind of automatic gas sample collecting station for greenhouse gas emission flux monitoring |
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| CN201610108708.8A Active CN105806670B (en) | 2014-04-10 | 2014-04-10 | A kind of AUTOMATIC STATIC case jacking system for automatic gas sample collection station |
| CN201410141455.5A Active CN103926115B (en) | 2014-04-10 | 2014-04-10 | A kind of automatic gas sample collecting station for greenhouse gas emission flux monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104316646A (en) * | 2014-10-11 | 2015-01-28 | 沈阳大学 | Device for simulating seawater immersion of coastal wetland soil greenhouse gas release response |
| CN104964714B (en) * | 2015-07-17 | 2017-05-17 | 成都汉康信息产业有限公司 | Air quality monitoring sensor precision guarantee equipment |
| CN106198305B (en) * | 2016-09-13 | 2019-03-08 | 成都创慧科达科技有限公司 | A kind of greenhouse gas emissions detection device |
| CN106872220A (en) * | 2017-03-01 | 2017-06-20 | 四川佳怡德环境科技有限公司 | Ambient air particulate matter sampler holder with storage function |
| CN108896357A (en) * | 2018-08-20 | 2018-11-27 | 贵州大学 | A kind of shale gas sealed sampling device |
| CN109696523A (en) * | 2018-12-13 | 2019-04-30 | 河北农业大学 | Greenhouse vegetable N2Monitoring method and monitoring system for O emission flux |
| CN109781477A (en) * | 2019-03-15 | 2019-05-21 | 东北师范大学 | A kind of greenhouse gas emission flux observed samples device of thicket type carex swamp |
| CN111983153B (en) * | 2020-08-31 | 2021-08-31 | 中国科学院地理科学与资源研究所 | System and method for detecting greenhouse gas emission of sediment and water body |
| CN112082831B (en) * | 2020-10-12 | 2021-05-04 | 无锡中证检测技术(集团)有限公司 | Equipment capable of automatically collecting air at fixed point |
| CN113108736A (en) * | 2020-12-03 | 2021-07-13 | 上海曲姜汽车科技有限公司 | Three-coordinate measuring instrument |
| CN112345313B (en) * | 2021-01-11 | 2021-04-09 | 中国农业科学院农业环境与可持续发展研究所 | Adjustable automatic static box with top side opening |
| CN113916619A (en) * | 2021-10-08 | 2022-01-11 | 中国科学院大气物理研究所 | Automatic sampling system for field gas |
| CN116026647B (en) * | 2022-12-29 | 2023-09-29 | 环保桥(上海)环境技术有限公司 | Wetland methane sampling device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122787U (en) * | 1992-04-03 | 1992-11-25 | 青岛岙山汽车保修机械厂 | Movable lifting machine for vehicles |
| CN201145692Y (en) * | 2008-01-25 | 2008-11-05 | 中国农业大学 | Portable static state box |
| CN202057528U (en) * | 2011-05-18 | 2011-11-30 | 重庆大学 | Air flux static chamber in water-air interface |
| CN103157636A (en) * | 2013-03-14 | 2013-06-19 | 南通贝特医药机械有限公司 | Elevator type charging barrel cleaning device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4120354A1 (en) * | 1991-06-20 | 1992-01-16 | Karl Dr Heidrich | Soil gas sampling and on-site analysis - using combined probe and drill tubing with internal packer system |
| CN1036154C (en) * | 1992-02-24 | 1997-10-15 | 中国科学院大气物理研究所 | Automatic gathering and analytic system of methane |
| US6692970B2 (en) * | 2000-01-19 | 2004-02-17 | The United States Of America As Represented By The Secretary Of Agriculture | Automated carbon efflux system |
| US7930931B2 (en) * | 2008-05-02 | 2011-04-26 | Environmental Systems Products Holdings Inc. | System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles |
| CN201464251U (en) * | 2009-03-26 | 2010-05-12 | 东北农业大学 | Farmland greenhouse gas sampling device |
| CN102053164B (en) * | 2009-10-28 | 2013-05-22 | 中国科学院大气物理研究所 | System and method for automatically acquiring and analyzing trace gas |
| KR100992876B1 (en) * | 2009-12-03 | 2010-11-08 | 경기도 | Apparatus for measuring greenhouse gases in farming and method for using the same |
| CN102252876B (en) * | 2011-06-13 | 2013-03-27 | 浙江省农业科学院 | Buffer type soil gas sampling device |
| CN202631322U (en) * | 2012-06-21 | 2012-12-26 | 宁夏农林科学院 | Sectional static box for gas collection |
-
2014
- 2014-04-10 CN CN201610108708.8A patent/CN105806670B/en active Active
- 2014-04-10 CN CN201410141455.5A patent/CN103926115B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122787U (en) * | 1992-04-03 | 1992-11-25 | 青岛岙山汽车保修机械厂 | Movable lifting machine for vehicles |
| CN201145692Y (en) * | 2008-01-25 | 2008-11-05 | 中国农业大学 | Portable static state box |
| CN202057528U (en) * | 2011-05-18 | 2011-11-30 | 重庆大学 | Air flux static chamber in water-air interface |
| CN103157636A (en) * | 2013-03-14 | 2013-06-19 | 南通贝特医药机械有限公司 | Elevator type charging barrel cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103926115A (en) | 2014-07-16 |
| CN105806670A (en) | 2016-07-27 |
| CN103926115B (en) | 2016-06-29 |
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