CN105806670A - Automatic static box lifting system for automatic gas sample acquisition station - Google Patents
Automatic static box lifting system for automatic gas sample acquisition station Download PDFInfo
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- CN105806670A CN105806670A CN201610108708.8A CN201610108708A CN105806670A CN 105806670 A CN105806670 A CN 105806670A CN 201610108708 A CN201610108708 A CN 201610108708A CN 105806670 A CN105806670 A CN 105806670A
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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 invention relates to an automatic static box lifting system for an automatic gas sample acquisition station. The automatic static box lifting system comprises an automatic static box for acquiring gases, and an automatic static box lifting system, wherein the automatic static box comprises a fixed base and a main frame capable of lifting relatively to the base; the automatic static box lifting system comprises a guiding and supporting pipe, a direct-current speed reduction motor, a lifting arm, a lead screw, sliding blocks, a base, a magnet, a magnetic induction probe and a guiding groove; the sliding block is arranged on the lead screw in a sheathing manner and is connected with one end of the lifting arm penetrating through the guiding groove; the other end of the lifting arm is connected with a main frame of the automatic static box; and the upper part of the guiding groove is provided with inclined-upward deflection grooves. The automatic static box lifting system has the advantages that the lead screw is adopted to lift the automatic static box, so that the electric power is saved and high reliability is guaranteed; and the automatic static box can deflect after being lifted to the top end, so that the influence of the automatic static box on a monitored field is greatly alleviated.
Description
The divisional application of patent application that this case is the applying date is on 04 10th, 2014, application number is 2014101414555, denomination of invention is " a kind of automatic gas sample collecting station for greenhouse gas emission flux monitoring ".
Technical field:
The present invention relates to automatic gas sample collecting, particularly relate to the AUTOMATIC STATIC case jacking system in a kind of automatic sample harvester for monitoring emission flux of gas in Atmospheric Condition, it is mainly used in research farmland, meadow and forest land (short forest) soil and corresponding growing plants body to gaseous sample automatic acquisition device during the speed monitoring of emission greenhouse gas in air, it is also possible to the gaseous sample in other gaseous environment gathers automatically.
Background technology:
Climate change be the current whole mankind must faced by one of sixty-four dollar question, mainly weather general trend warms, and the every aspect that whole earth environment and the whole mankind are lived all produces important impact.Current scientific investigations showed that: climate warming is mainly a large amount of greenhouse gases of mankind's activity discharge, causes that atmospheric environment entirety heats and causes.Study the 5th assessment report of most Intergovernmental Panel on Climate Change of authoritative institution (IPCC) according to international climate change to point out: climate warming 95% is likely due to the greenhouse gases (mainly including carbon dioxide, methane and nitrous oxide etc.) that mankind's movable rows such as combustion of fossil fuel and land use change survey puts, and to cause atmospheric greenhouse gas concentration to increase caused.Since human industryization civilization in 1750, mankind's activity has greatly accelerated emission greenhouse gas in air so that it is concentration sharply increases, three kinds of topmost GHG carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) concentration value increases to 2012 393,1.819 and 0.325ppm respectively from preindustrial 280,0.72 and 0.27ppm, and current amplification is still being accelerated, in more than 130 year of past (1880～2012 years), average earth's surface, whole world temperature raises 0.85 DEG C.Future Climate will warm further, it is contemplated that will at least rise 1.5 DEG C to 21 century end temperature.
2007 in the 13rd conference of contracting party of Global climate change that Bali holds developed country developing country is proposed greenhouse gases can measure, can report and verifiable specific requirement, this needs substantial amounts of sample collecting analysis to realize.The current greenhouse gas emission total amount of China has leapt to the first in the world, and the pressure that China is encountered in reply climate change and GHG emissions mitigation in conference is negotiated is increasing.The emission monitoring of greenhouse gases is by the basis of climate change research, its method for measuring is mainly by by static chamber airtight in geodesic block face cap, between extract a gaseous sample at regular intervals, use each gaseous sample percent of greenhouse gases concentration of gas Chromatographic Determination, the situation of change of the multiple sample percent of greenhouse gases concentration by extracting calculates the emission flux of greenhouse gases namely the mass rate of emission of greenhouse gases.Most artificial mode gathered of still employing that gathers of current gaseous sample carries out.
Artificial gas's sample collecting mainly has several big inferior position: 1) sample collecting workload is very huge.Sometimes the collection of a single point sample just at least needs 2 people to coordinate uncapping case, gather, the repetitive operation such as clock, if when multiple points carry out contrast sampling research, owing to needing the time comparability of sampling, each sampled point needs 1 people, being accomplished by many people difference to be sampled, manpower demand is bigger simultaneously；2) the artificial interference to sampling is big.The CO that the people self that samples during artificial collected specimens breathes2And step is movable, top box takes the work such as the gas disturbance to soil and all sample collecting can be produced bigger interference；3) it is not easy to round-the-clock sampling.When weather conditions are bad, time point is improper or need night to sample, 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 can not be very accurate, and the calculating of gas flux strictly calculates by the unit interval, the speed of operation makes the error calculated become big, simultaneously artificial be likely to slip up also gas collecting can be produced certain impact.
In order to overcome unfavorable factor during Artificial gas's sample collecting, the present invention intends developing a kind of full automatic greenhouse gases acquisition station, can realize automatically switching closed box according to sampling time set and requiring, automatically gather gaseous sample and be stored in sealing Dewar bottle under unattended condition, gaseous sample bottle is changed, it is achieved the automatic collection of greenhouse gases sample by human at periodic intervals.
Currently also there is the device that some automatic gas are sampled both at home and abroad, use bladders and the automatic collected specimens of negative pressure is had than more typical, it is applicable to the sample collection of long-time atmospheric environment average air quality, what gather is a meansigma methods of long-time air quality, being not suitable for the observation of greenhouse gases flux, automaticity is not high yet；Also having than a more typically class is portable gas sample collector, is mainly used for the sample detecting of on-the-spot air quality, and it is also only applicable to the collection of single sample, it is also necessary to have on-the-spot participation of people to realize.There is presently no the full-automatic harvester of research greenhouse gases flux.
Use battery is added solar panels and powers by the present invention, can all weather operations, also remote controlled, be mainly used in needing in the scientific research of a large amount of greenhouse gases sample collecting, the efficiency that will be greatly enhanced in Greenhouse gaseous sample and gather, for reply climate change service.
Summary of the invention:
For the unfavorable conditions of above-mentioned artificial sample, the main purpose of the present invention is to provide a kind of AUTOMATIC STATIC case jacking system for automatic gas sample collecting 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 collecting station, described automatic gas sample collecting station includes the AUTOMATIC STATIC case for gathering gas and AUTOMATIC STATIC case jacking system, and described AUTOMATIC STATIC case includes the base fixed and the liftable main frame of respect thereto；Described AUTOMATIC STATIC case jacking system includes guide support pipe, DC speed-reducing, lifting arm, leading screw, slide block, pedestal and gathering sill, guide support pipe is the tube-like piece being fixed on pedestal, it offers gathering sill towards the side of described AUTOMATIC STATIC case, internal axis position is provided with the screw mandrel with external screw-thread, screw mandrel upper end is connected with the output shaft of described DC speed-reducing, the slide block set being provided with internal whorl is contained on screw mandrel, slide block is connected with the lifting arm one end through gathering sill, 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 described gathering sill is provided with deflection groove obliquely, and when the slide block slided in gathering sill is lifted to deflection groove position, slide block deflects to deflection groove direction.
In above-mentioned AUTOMATIC STATIC case jacking system, described slide block is fixed with Magnet, outside the guide support pipe below deflection groove and below gathering sill, is equipped with magnetic induction probe.
In above-mentioned AUTOMATIC STATIC case jacking system, described lifting arm includes two parallel horizontal solid bars and is connected to a vertical solid bar in the middle of two horizontal solid bars.
In above-mentioned AUTOMATIC STATIC case jacking system, screw mandrel outer cover is equipped with two slide blocks, and the deflection groove on gathering sill top is correspondingly provided with two, and the distance between distance and two slide blocks between two deflection grooves is equal.
In above-mentioned AUTOMATIC STATIC case jacking system, described lifting arm includes two parallel horizontal solid bars and is connected to a vertical solid bar in the middle of two horizontal solid bars, and two horizontal solid bars connect said two slide block respectively.
In above-mentioned AUTOMATIC STATIC case jacking system, the slide block being positioned below being fixed with Magnet, the guide support pipe below the deflection groove corresponding to this slide block is provided externally with magnetic induction probe, and the guide support pipe below described gathering sill is provided externally with magnetic induction probe.Have employed the invention have the advantages that of technique scheme
The present invention adopts screw mandrel to promote static chamber, saves electric power and ensure that high reliability, and can deflect after AUTOMATIC STATIC case rises to top, significantly reducing AUTOMATIC STATIC case to by the impact of geodesic block；It addition, static chamber adopts the water-sealing system of automatic water supplement, it is ensured that the seal of AUTOMATIC STATIC case；
The screw mandrel lifting location of the present invention adopts Magnet and magnetic induction probe location mode, and this contactless location both ensure that the smooth and easy of motion, in turn ensure that the precision of location.
Accompanying drawing illustrates:
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 gathering sill top of the present invention partial enlarged drawing
Fig. 4 is needle holder sectional view of the present invention
Fig. 5 is inserting needle slide block top view of the present invention
Fig. 6 is axis top of the present invention end elevation view
Fig. 7 is axis bottom end face front view of the present invention
Fig. 8 is dish front view on inventive samples dish
Fig. 9 is inventive samples dish mid-game front view
Figure 10 is inventive samples dish lower wall front view
Figure 11 is invention seal bottle cap sectional view
Figure 12 is that invention controls workflow diagram
Detailed description of the invention:
As shown in Figure 1, the present invention " a kind of automatic sample acquisition station for greenhouse gas emission flux monitoring " includes power-supply system 10, master control system 20, AUTOMATIC STATIC case 30, water-sealing system 40, AUTOMATIC STATIC case jacking system 50, gas production system 60, two gas injection system 70, alignment system 80 and a sample collecting system 90 totally 9 major part, is introduced respectively with this 9 most composition structure, assembling and functional realiey below.
Power-supply system 10 as shown in Figure 1 includes accumulator 11, charge control module 12, solar panels 13, power regulator module 14, electric wire 15, fixing bar 16 and control chamber 18.Accumulator 11, as the power source of whole device, is connected with charge control module 12 and solar panels 13 by electric wire on the one hand, makes system pass through solar panels 13 and absorb the energy of the sun, is saved in accumulator 13 by solar energy after the conversion of charged control module 12；On the other hand, the electric power in accumulator 13 is exported by electric wire 15, after power regulator module 14 voltage stabilizing, powers to master control borad 21, it is ensured that the supply of electric power of whole device.The upper end of fixing bar 16 is connected with solar panels 13 by solar panels 13 back side by screw (not showing in Fig. 1), and the lower end of fixing bar 16 is inserted directly in the earth 17, is used for fixing solar panels 13.Accumulator 11, charge control module 12 and power regulator module 14 all load in control chamber 18, it is prevented that the impact on its performance such as wind outside, rain and radiation.
Master control system 20 as shown in Figure 1 includes master control borad 21, signal input module group 22, main control chip 23, display chip 24, wireless communication module 25, LCDs 26, button 27, signal output module group 28, antenna 29 and fixing bar 16.Master control borad 21 is the control centre of the present invention, it is integrated with power regulator module 14, signal input module group 22, main control chip 23, display chip 24, wireless communication module 25 and signal output module group 28, each module undertakes corresponding function action, and wherein main control chip is responsible for controlling the work of other parts all on master control borad 21.Stablizing of the whole system voltage that power regulator module 14 supplies for keeping accumulator 13.Signal input module group 22 is for receiving the signal of all external probes.Signal output module group 28 is that master control borad passes through this module and sends to outside action component and perform order.Display chip 24 is connected with LCDs 26 by electric wire 15, for the state of display system, can control master control system by button 27 operation and run.Wireless communication module 25 and antenna 29 constitute remote transmission and receive communication system, both can the state of wireless transmission system and data, it is also possible to receive distance host and send the signal of coming, it is achieved remote parameter is arranged, status poll and manipulation operation.Signal output module group 28 uses electric wire 15 to be connected with each function executing parts, and output control command makes each functional part collaborative work realize automatic gas collection.Except antenna 29 is except control chamber 18 outside in master control system 20, remaining part is mounted in waterproof control chamber 18, and control chamber 18 is connected with fixing bar 16 by screw, and inserts in the earth 17 fixing by fixing bar 16.
AUTOMATIC STATIC case 30 as shown in Figure 1 includes main frame 31, polycarbonate plate 32, base 33, air themperature probe 34, radiation shield 35, air humidity probe 36, soil moisture probe 37, soil moisture probe 38 and fan 39.Main frame 31 is formed a cylindrical frame by stainless steel bar seamless welding, polycarbonate plate 32 it is coated with respectively in the side of cylindrical main frame 31 and top, polycarbonate plate 32 is fixed on main frame with screw (not showing in Fig. 1), and uses transparent sealing glue to seal.Hangs inside at main frame 31 has air themperature probe 34 and air humidity probe 36, and the top of its air temperature probe is also equipped with a radiation shield 35, is used for preventing the solar radiation impact on temperature measuring.nullThe structure chart of the base 33 of static chamber is as shown in Figure 2，Base 33 is internal is a cylindrical stainless steel tube，Lower end is inserted in the earth 17，Middle part, the inner cylinder tube outside circular corrosion resistant plate of vertical seamless welding one at base 33，Then the upwards cylindrical stainless steel tube of vertical seamless welding one in the outer of the cylindrical plate welded，And the height of this cylindrical tube will lower than the height of base 33 inner circular column jecket，Make the outer circle column jecket of base 33、In circular corrosion resistant plate, cylindrical tube seamless welding forms an outer low and inner high tank 47，And main frame 31 cover polycarbonate plate 32 after external diameter be greater than the internal diameter of tank 47 and less than the external diameter of tank 47，When the bottom of the main frame 31 of AUTOMATIC STATIC case 30 is vertically fallen in tank 47，And when being full of water in tank 47，AUTOMATIC STATIC case inner air can be sealed isolation with extraneous air.In base 33, overground part kind is implanted with plant 331, and in base 33, underground part is embedded with soil moisture probe 37 and soil moisture probe 38.It is also equipped with a fan 39, gas in mixing case when being used for measuring in AUTOMATIC STATIC case inner tip.
Water-sealing system 40 as shown in Figure 1 includes shelf 41, water tank 42, electromagnetic valve 43, water pipe 44, fixing screw 45, water level switch 46 and tank 47.Shelf 41 is bending is the corrosion resistant plate at 90 degree of right angles, screw (not showing in Fig. 1) is used to be fixed on base 33, shelf 41 is placed with water tank 42, and with fixing screw 45, electromagnetic valve 43 is installed, water pipe is used to be connected between water tank 42 with electromagnetic valve 43 and electromagnetic valve 43 with tank 47, a water level switch 46 it is also equipped with in tank 47, when needs water filling, open electromagnetic valve 43, water in water tank 42 is injected in tank 47 by water pipe 44 and electromagnetic valve 43, reach the setting value of water level switch 46 to water filling after, master control borad 21 can send instruction and close electromagnetic 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 53, screw mandrel 54, slide block 55, pedestal 56, gathering sill 57, magnetic induction probe 58, Magnet 59 and fixing bar 16.nullGuide support pipe 51 is one section of heavy wall stainless steel tube，It is welded with stator on the top of pipe，It is used for using fixing screw 45 to fix DC speed-reducing 52，At guide support pipe 51, just the one side of AUTOMATIC STATIC case 30 is being had a gathering sill 57，Fig. 3 is the partial enlarged drawing of gathering sill 57，The top of gathering sill 57 also has two deflection grooves 571 obliquely and deflection groove 572 as shown in Figure 3，It is further fixed on a magnetic induction switch 58 in the outside of the lower section guide support pipe 51 of deflection groove 572，One section of screw mandrel 54 is had at guide support pipe 51 internal axis，Screw mandrel 54 central upper portion has a circular hole，It is internal that the axle of DC speed-reducing 52 can stretch into screw mandrel 54，Both use fixing screw 45 to connect，Screw mandrel 54 is equipped with two supporting cylindrical sliders 55，The screw thread at slide block 55 center is supporting with the screw thread on screw mandrel 54.Lifting arm 53 is to be welded as the shape shown in Fig. 1 by two parallel stainless steel solid rods and a vertical stainless steel solid rod, one of lifting arm uses screw to be fixed on the main frame 31 of AUTOMATIC STATIC case 30, and the other end then uses screw (not showing in Fig. 1) to be connected with upper sliding block 55 through gathering sill 57.On sliding block, also punching is embedded with a cylinder-shaped magnet 59.Guide support pipe 51 is welded on one piece of rustless steel pedestal 56, and pedestal 56 has two fixing holes, uses fixing post 16 to hammer in the earth 17, is fixed on by AUTOMATIC STATIC case jacking system 50 on the ground.The lifting of AUTOMATIC STATIC case 30 is moved by the slide block 55 that rotarily drives of DC speed-reducing 52, owing to lifting arm 53 can only move in gathering sill 57, slide block 55 is made to drive lifting arm 53 and connected AUTOMATIC STATIC case main frame 31 to move together, when slide block 55 rises to gathering sill top, owing to deflecting while gathering sill 571 and gathering sill 572, AUTOMATIC STATIC case 30 is driven to deflect to same direction, that so can reduce AUTOMATIC STATIC case covers the impact on determined plant growing, be fixed on the Magnet on slide block 55 and be fixed on outside guide support pipe 51 magnetic induction probe system can be made the degree that puts in place that AUTOMATIC STATIC case lifts to be detected.
Gas production system 60 as shown in Figure 1 includes base plate 61, trachea 62, gas production pump 63, return-air electromagnetic valve 64, channel selecting electromagnetic 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-air electromagnetic valve 64 and channel selecting electromagnetic valve 65 all use fixing screw 45 to be fixed on base plate 61, and on base plate 61, two tracheas 62 of porose confession pass and pass into needle holder 66 center.Gas in AUTOMATIC STATIC case 30 enters from the trachea 62 inserting into the inner portion, twitch through gas production pump 63 and be conveyed into return-air electromagnetic valve 64 through outlet trachea 62, return-air electromagnetic valve 64 is a two-position three way magnetic valve, when its no power is closed, left side air inlet communicates with gas outlet, top, gas can be fed back to airtight AUTOMATIC STATIC case 30 by the connected trachea of top exit again, so play the effect of the trachea 62 used with the gas bleed gas production in AUTOMATIC STATIC case 30 to be collected, ensure that the gas extracted is at utmost close with the gas in AUTOMATIC STATIC case 30.When return-air electromagnetic valve 64 is opened, the port closing at its top, the gas outlet on the right is opened simultaneously, gas in trachea 62 is extracted by gas production pump 63 and is transported to channel selecting electromagnetic valve 65, the structure of channel selecting electromagnetic valve 65 is similar to return-air electromagnetic valve 64, when its no power is closed, left side air inlet communicates with gas outlet, top, when its energising is opened, left side air inlet only communicates with gas outlet, the right, master control borad 21 can select different gas passages to deliver gas to the interior gas production syringe needle 68 of hollow or outer gas production syringe needle 69 by opening or closing this valve, there is the side opening 681 of a circle close to needle tip side at interior gas production syringe needle 68 or outer gas production syringe needle 69, the broken foam blocking syringe needle of sealing gasket during inserting needle can be prevented.Needle holder 66 is securable on inserting needle slide block 73 with fixing screw 45, Fig. 4 gives its profile, all there is the screw hole 661 that a fixing screw 45 may pass through on both sides around, have at the center of needle holder 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, interior gas production syringe needle 68 and outer gas production syringe needle 69 are internal as shown in fig. 1 all has screw thread to revolve to be located in needle holder 66, trachea 62 is after needle holder 66, it is arranged with " O " RunddichtringO 67, " O " RunddichtringO 67 is compressed when interior gas production syringe needle 68 or outer gas production syringe needle 69 are tightened with needle holder 66, ensure needle holder 66, between trachea 62 and outer gas production syringe needle 68 or interior gas production syringe needle 69 air tight.
Gas injection system 70 as shown in Figure 1 includes inserting needle motor 71, fixing screw 45, inserting needle screw mandrel 72, inserting needle slide block 73, guide post 74, the fixing plate 75 of probe, lock-screw 76, magnetic induction probe 58 and Magnet 59.Fig. 1 shows two set gas injection systems 70, now to introduce its structure by paracentral gas injection system 70, inserting needle motor 71 uses fixing screw 45 to be fixed on base plate 61, the axle traverse base plate 61 of inserting needle motor 71, an inserting needle screw mandrel 72 arranged below at inserting needle motor 71, the top center of inserting needle screw mandrel 72 radially has a circular hole, and the axle of inserting needle motor 71 extend in the center hole of inserting needle screw mandrel 72, and uses fixing screw 45 to fix.Inserting needle screw mandrel 72 is equipped with the inserting needle slide block 73 of a cylinder, Fig. 5 shows the top view of inserting needle slide block, inserting needle slide block 73 screwed hole of centre 731 is supporting with inserting needle screw mandrel 72 external screw thread, the needle stand groove 732 of a fixing needle stand 66 is had on the left of slide block, needle stand groove 732 has a needle stand hole 733 and two fixing screwed holes 734 of needle stand, it is possible to be installed on inserting needle slide block 73 by needle stand 66 and use fixing screw 45 to fix.A pilot hole 735 is had, it is possible to be directed to bar 74 and wear wherein for leading, be also embedded with a Magnet 59 in the rightmost side of inserting needle slide block 73, for the perception of needle position on the right side of inserting needle slide block 73.Showing the installation of guide post in Fig. 1, its end adopts the mode of interference fit to be inserted in base plate 61, with the base plate 61 pilot hole 735 perpendicular and across inserting needle slide block 73.A fixing plate 75 of probe is had at guide post 74 side, the fixing plate bending of this probe is that 90 degree of right-angled vertical are placed, the one side parallel with base plate 61 is fixed on base plate 61 by fixing screw 45, the one side making vertically placement is parallel with guide post 74, when inserting needle motor 71 rotates and drives inserting needle screw mandrel 72 to rotate, guide effect due to guide post 73, make inserting needle slide block 73 for linear motion on inserting needle screw mandrel 72, when inserting needle slide block 73 transports to the top of inserting needle screw mandrel 72 or bottom is entered, Magnet 59 above with it just to place, the fixing plate 74 of probe uses super glue bonding magnetic induction probe respectively, whether move for perception inserting needle slide block and put in place, such that it is able to whether the syringe needle indicated in the needle holder 66 being fixed on inserting needle slide block 73 moves and puts in place.End at inserting needle screw mandrel 72 also adopts and threaded is fixed with a lock screw 76, is used for preventing inserting needle slide block 73 from rotating and skids off inserting needle screw mandrel 72.
Alignment system 80 as shown in Figure 1 includes positioning motor 81, axis 82, draw-in groove 83, bayonet lock 84, bearing 85, nut 86, location screw 87, bottom 88, magnetic induction probe 58, Magnet 59, callosity 89 and fixing screw 45.Positioning motor 81 uses fixing screw 45 to be fixed on outer housing 98, provides power for rotating location.The axle of positioning motor 81 stretches into the inside of axis 82, and the motor shaft at positioning motor 81 radially has an aperture, it is possible to by bayonet lock 84 interference fit of a cylinder through motor shaft, make bayonet lock 84 be perpendicular to motor shaft.Fig. 6 shows axis 82 top top view, there is a circular hole 821 at the center, top of axis 82, the motor shaft of positioning motor 81 can stretch into wherein, the draw-in groove 83 also having a strip being connected with center hole 821, motor shaft is directed at circular hole 821, positioning motor 81 and axis 82 clamping can be got up by bayonet lock 84 by secondary draw-in groove 83.Fig. 7 shows axis 82 bottom top view, and the bottom center at axis 82 has a bearing 85, is respectively arranged with a fixing screw hole 822 on the both sides of bearing 85.Axis 82 is fixed on lower wall 93 through lower wall 93 by two fixing screws 45.Maximum end at axis 82 has a bottom 88, and bottom 88 is a circular threaded lid, and there is screwed hole center, adopts bonding mode to be fixed with callosity 89 on bottom 88, makes bottom 88 can stand on the ground.There is a location screw 87 after the screwed hole at bottom 88 center, use nut 86 to lock, be then passed through lower wall 93 and stretch into the centre bore of bearing 85.
Sample collecting system 90 as shown in Figure 1 includes dish 91, mid-game 92, lower wall 93, gas cylinder 94, seals lid 95, studs 96, hollow pipe 97, Magnet 59 and outer housing 98.On specimen disc, dish 91 top view is as shown in Figure 8, dish is evenly distributed with two circle gas cylinder holes 911 with circular manner, in the present invention, dish 91 inner ring has 6 gas cylinder holes 911, there are 12 gas cylinder holes 911 outer ring, the extended line being connected with center, each gas cylinder hole 911 in Shang Pan 91 disk center all buries a cylinder-shaped magnet 59 underground with intersection, dish outer, owing to Shang Pan 91 center overlaps with gas cylinder hole 911, outer ring line with inner ring gas cylinder hole 911, in the present embodiment, outer ring magnet has 12, additionally, a reverse installation Magnet 591 is also had in the outer of upper dish, it is used for positioning the initial position of dish, upper dish 92 also has four screw fixed holes 912, there is an axle center hole being available for axis traverse 913 at center.The top view of mid-game 92, as it is shown in figure 9, itself and main difference is that of upper dish 91 do not bury Magnet 59 and reverse Magnet 591 underground, dish also divides inside and outside two circles be evenly distributed with gas cylinder hole 921, screw fixed hole 922 and axle center hole 913.As shown in Figure 10, the difference with mid-game 92 is not have gas cylinder hole to the top view of lower wall 93, adds two screw fixed holes 931, and axle center hole 933 diminishes, and the relative position of screw fixed hole 932 is consistent with in mid-game 92.nullAs shown in Figure 1，Upper dish 91、Mid-game 92 and lower wall 93 be connected by studs 96 and hollow pipe 97，Passing beneath of the fixing screw 45 fixing screw hole 932 from lower wall 93，Screw in studs 96 after being then passed through the fixing screw hole 922 of hollow pipe 97 and mid-game 92，Another fixing screw 45 screws in studs 96 from the fixing screw hole 912 on upper dish 91 through disk body，Upper dish 91、Four screw holes of the correspondence of mid-game 92 and lower wall 93 are all adopted and are connected into a complete specimen disc 99 in this way，Again axis 82 is penetrated from the axle center hole 913 of upper dish 91，It is in close contact with lower wall 93 after being then passed through the axle center hole 922 of mid-game 92，Re-use fixing screw 45 to be screwed into the screw fixed hole 822 of axis 82 after lower screw fixing hole 931 traverse of lower wall 93，Specimen disc 99 and axis 82 are coupled together.The gas cylinder hole 911 of specimen disc 99 is placed with screw socket gas cylinder 94, screw socket gas cylinder 94 has screwed sealing lid 95, Figure 11 is the sectional view sealing lid 95, seal in lid and have disc-shaped sealing rubber blanket 951, there is a circular hole 952 being available for syringe needle 68 traverse at bottle cap center, sealing lid 95 employing screw thread 951 to be connected with screw socket gas cylinder 94, after sealing lid 95 screws, rubber blanket 951 can ensure that the sealing of gas cylinder 94.As shown in Figure 1, an outer housing 98 is had on the top on chassis 88, outer housing 98 adopts transparent plastic to make, the big screw socket doleiform shape cylindrical in back-off, use is threadedly connected on chassis 88, adopt studs 66 and fixing screw 45 to be connected with base plate 61 on the top of outer housing 98, it is fixing that outer housing 98 at least uses three studs 66 to be connected with base plate 61, it is ensured that it is connected firmly.It is right against one of them Magnet 59 of dish 91 and the position of reverse Magnet 591 at outer housing 98 inwall, is bonded with the magnetic induction probe 58 position of rotation for perception specimen disc 99 respectively.nullThe location mode of sample bottle 94 is: use positioning motor 81 to provide power to rotate clockwise axis 82，Axis 82 drives the specimen disc 99 being fixed on bottom it to rotate clockwise together，When the reverse Magnet 591 on upper dish 91 turns to the position of the magnetic induction being fixed on outer housing probe 58 of its correspondence，Master control system 20 sets it to initial position，The numbering of gas cylinder is set to 0，Then specimen disc continues to rotate clockwise，When often turning in upper dish a Magnet 59 and being corresponding with magnetic induction probe，The gas cylinder 94 of inner ring or outer ring on the specimen disc 99 of correspondence is made then to be directly turned to the positioned over of injection needle 68，Prepare for gathering gas，Specimen disc often rotates the position of a Magnet 58，Then gas cylinder 94 counting of specimen disc 99 inner ring or outer ring is increased by a bottle position，When specimen disc turns around from original position rotation and forwards the position of reverse Magnet 591 to，Gas cylinder 94 starts to reorientate counting from 0 again.
It is described above assembling and the function embodiment of each funtion part of the present invention, in conjunction with Fig. 1 and Figure 12, overall fitting embodiment of the present invention is described.After each parts as above are according to the mode installation of Fig. 1, electric wires 15 are used to access master control borad 21 from signal input module group 22 air themperature probe 34, air humidity probe 36, soil moisture probe 37, soil moisture probe 38, water level switch 46 and all of magnetic induction probe 58, fan 39, electromagnetic valve 43, DC speed-reducing 52, return-air electromagnetic valve 64, channel selecting electromagnetic valve 65, inserting needle motor 71 and positioning motor 81 are accessed master control borad 21 from signal output module group 28, makes master control system can all electrical components of apparatus of the present invention be controlled.
Workflow diagram as shown in figure 12, after power-supply system 10 gives master control system 20 power supply, master control system 20 carries out power-on self-test, whether detection system all parts is normal, and various parts is resetted, if power-on self-test can not pass through, then in liquid crystal screen display error message and this error message is transmitted by wireless module；If after power-on self-test passes through, sampler needs to carry out the setting of sampling parameter, and arranging of parameter can be wirelessly transferred setting by remote terminal, it is also possible to arranged by onboard button 27；After the parameter of sampling sets, it is possible to issued by remote terminal or button and run order, start the flow process of sampling automatically, now sampler is in a kind of SBR waiting that the sampling time arrives, can receive and arrange or action command in this process；After the time arrives the sampling time set, sampler enters sampling process, as shown in Figure 1, sent top box order to static chamber 30 by the master control system 20 of sampler, motor shaft is made to drive screw mandrel 54 to rotate to DC speed-reducing 52 energising, screw mandrel 54 does straight line descending motion with movable slider 55 under the effect of gathering sill 57, the lifting arm 53 being connected with slide block 55 acts as straight line descending motion with static chamber main frame 31 1, stop until the Magnet 59 on slide block is fixed on after the magnetic induction probe 58 bottom a stay tube 51 senses, at this moment static chamber main frame 31 just drops in the tank 47 of base 33, complete lid static chamber action；Now open electromagnetic valve 43, water in water tank 42 is flowed in tank 47 by water pipe 44, when water level switch 46 indicates the water level in tank 47 to reach the height preset, static chamber main frame 31 and base 33 are sealed by the water in tank 47, now close electromagnetic valve 43, cut off the injection of water, complete to add water-stop action；Master control system opens fan 39 subsequently, gas in mixing AUTOMATIC STATIC case 30, and then gas production pump 63 is opened, in static chamber 30, gas is extracted by gas production pump 63 through trachea 62, cooled via return air electromagnetic valve 64 top exit is transmitted back in AUTOMATIC STATIC case 30 by trachea 62 again, this process main purpose is to use the pipeline of the gas bleed gas production in AUTOMATIC STATIC case, reduces the gas of the remaining impact on gas production in pipeline；After cleaning pipeline completes, system opens return-air electromagnetic valve 64, gas is made to flow out into channel selecting electromagnetic valve 65 from the right side of return-air electromagnetic valve 64, system according to gas production need open or close channel selector valve, air-flow is made to lead to interior gas production syringe needle 68 or outer gas production syringe needle 69, the effect of this process is used to the gas washout gas production syringe needle in AUTOMATIC STATIC case 30 and connects pipeline, it is ensured that the purity of gas production；Then master control system 20 controls the location of sample bottle, its flow process is the upper dish 91 of positioning motor 81 rotates and band is dynamically connected axis 82 and specimen disc, mid-game 92, lower wall 93 rotates together, gas cylinder 94 is positioned on specimen disc and also rotates in the lump, there is Magnet 59 in the distribution of the outer of upper dish and Magnet 591 is reversely installed, Magnet is reversely installed for indicating the initial position of specimen disc, Magnet 59 is used for the position indicating specimen disc to be corresponding bottle position, when specimen disc rotates to position, corresponding bottle position, when corresponding Magnet 59 is sensed by magnetic induction probe, stop operating, interior gas production syringe needle 68 or outer gas production syringe needle 69 are also stopped at the top of gas cylinder 94 to be collected, complete the location action of bottle；nullFollowed by inserting needle gas production，Its motion flow is after syringe needle and corresponding pipeline have been rinsed，Inserting needle motor 71 rotarily drives inserting needle screw mandrel 72，Inserting needle screw mandrel 72 drives inserting needle slide block 73，Inserting needle slide block 73 slides on guide post 74，The interior gas production syringe needle 68 being connected or outer gas production syringe needle 69 is driven to move down，Below punctures, the rubber blanket 951 of 95 is covered in the sealing of the gas cylinder 94 of evacuation，It is inserted in vacuum gas cylinder 94，Syringe needle closely held tightly by rubber blanket 951 under elastic effect makes syringe needle and rubber blanket 951 seal，Inserting needle is stopped when the Magnet 59 of inserting needle slide block 73 is detected by the magnetic induction probe 58 of fixing plate 75 bottom of probe，Now the gas in the AUTOMATIC STATIC case 30 that gas production pump 63 extracts is by trachea 62、Return-air electromagnetic valve 64、Channel selecting electromagnetic valve 65 and syringe needle side opening 681 are pressed in gas cylinder 94 and gather gas；Next complete when time sampled point gas production action, this process mainly includes the withdraw of the needle, closes gas production pump 63, closes electromagnetic valve 64, closes 39 4 actions of fan, withdraw of the needle action is contrary with inserting needle action, its flow process is that inserting needle motor 71 reversely rotates drive pin screw mandrel 72, inserting needle slide block 73 and coupled interior gas production syringe needle 68 or outer gas production syringe needle 69 moves upward, syringe needle is extracted from gas cylinder 94, the stop motion when the Magnet 59 of inserting needle slide block 73 is detected by the magnetic induction probe 58 on fixing plate 75 top of probe, completes withdraw of the needle action；And then after withdraw of the needle action completes, master control system 20 controls to close gas production pump 63, close return-air electromagnetic valve 64 and fan 39, and then the status data of system during record gas production, complete the gas recovery of the 1st sampled point, in order to measure the accuracy of gas flux, when being typically in top box, to gather 4～5 times；Following master control system 20 judges whether sampled point terminates, without end, system enters the state waiting the next sampled point time, after arriving the next sampled point time, system by perform as shown in Figure 1 carry out gas production to the flow process closing fan 39 from opening fan 39；After last sampled point terminates, master control system opens AUTOMATIC STATIC case 30, its motion flow is contrary with top box, reversely being energized to DC speed-reducing 52 by the master control system 20 of sampler makes motor shaft drive screw mandrel 54 to rotate counterclockwise, screw mandrel 54 ramps motion with movable slider 55, lifting arm 53 together with static chamber main frame 31 under the guiding of gathering sill 57, stopping when the Magnet 59 on slide block 55 is fixed on after the magnetic induction probe 58 propping up stay tube 51 top senses, AUTOMATIC STATIC case 30 fully opens；After static chamber main frame 31 is opened, master control system checks whether the sampling task of all settings completes, as do not completed, then system enters and waits sampling time state next time, if all sampling tasks are over, system just completes whole sampling process, enters holding state, prepares to receive new sample command；Flow chart dashed box part as shown in figure 12, if made mistakes in the process of sampling, then master control system can stop sampling, and returns to the original state of sampling, reports error message, and send error message report by wireless remote on screen.
The present invention is for the automatic Monitoring Design of greenhouse gases flux, AUTOMATIC STATIC case can also be not connected to, program sets the action relevant to AUTOMATIC STATIC case 30 all do not perform, directly gather the gas in atmospheric environment, it is possible to automatically gather for the gaseous sample in any atmosphere environment supervision.
Claims (9)
1., for the AUTOMATIC STATIC case jacking system at automatic gas sample collecting station, described automatic gas sample collecting station includes the AUTOMATIC STATIC case for gathering gas and AUTOMATIC STATIC case jacking system,
Described AUTOMATIC STATIC case includes the base fixed and the liftable main frame of respect thereto；
Described AUTOMATIC STATIC case jacking system includes guide support pipe, DC speed-reducing, lifting arm, leading screw, slide block, pedestal and gathering sill, guide support pipe is the tube-like piece being fixed on pedestal, it offers gathering sill towards the side of described AUTOMATIC STATIC case, internal axis position is provided with the screw mandrel with external screw-thread, screw mandrel upper end is connected with the output shaft of described DC speed-reducing, the slide block set being provided with internal whorl is contained on screw mandrel, slide block is connected with the lifting arm one end through gathering sill, and the other end of lifting arm is connected to the main frame of AUTOMATIC STATIC case.
2. AUTOMATIC STATIC case jacking system according to claim 1, it is characterised in that the top of described gathering sill is provided with deflection groove obliquely, when the slide block slided in gathering sill is lifted to deflection groove position, slide block deflects to deflection groove direction.
3. AUTOMATIC STATIC case jacking system according to claim 2, it is characterised in that being fixed with Magnet on described slide block, the guide support pipe below deflection groove is provided externally with magnetic induction probe.
4. AUTOMATIC STATIC case jacking system according to claim 3, it is characterised in that the guide support pipe below described gathering sill is provided externally with magnetic induction probe.
5. AUTOMATIC STATIC case jacking system according to claim 1 and 2, it is characterised in that described lifting arm includes two parallel horizontal solid bars and is connected to a vertical solid bar in the middle of two horizontal solid bars.
6. the AUTOMATIC STATIC case jacking system according to any one of claim 1 to 5, it is characterised in that screw mandrel outer cover is equipped with two slide blocks, and the deflection groove on gathering sill top is correspondingly provided with two, the distance between distance and two slide blocks between two deflection grooves is equal.
7. AUTOMATIC STATIC case jacking system according to claim 6, it is characterized in that, described lifting arm includes two parallel horizontal solid bars and is connected to a vertical solid bar in the middle of two horizontal solid bars, and two horizontal solid bars connect said two slide block respectively.
8. the AUTOMATIC STATIC case jacking system according to claim 6 or 7, it is characterised in that be fixed with Magnet on the slide block being positioned below, the guide support pipe below the deflection groove corresponding to this slide block is provided externally with magnetic induction probe.
9. AUTOMATIC STATIC case jacking system according to claim 8, it is characterised in that the guide support pipe below described gathering sill is provided externally with magnetic induction probe.
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| 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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| CN201410141455.5A CN103926115B (en) | 2014-04-10 | 2014-04-10 | A kind of automatic gas sample collecting station for greenhouse gas emission flux monitoring |
| 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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| 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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| CN108896357A (en) * | 2018-08-20 | 2018-11-27 | 贵州大学 | A kind of shale gas sealed sampling device |
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Also Published As
| Publication number | Publication date |
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| CN103926115B (en) | 2016-06-29 |
| CN105806670B (en) | 2018-03-27 |
| CN103926115A (en) | 2014-07-16 |
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