CN103115802B - Radioactive aerosol sampling device - Google Patents
Radioactive aerosol sampling device Download PDFInfo
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- CN103115802B CN103115802B CN201310005227.0A CN201310005227A CN103115802B CN 103115802 B CN103115802 B CN 103115802B CN 201310005227 A CN201310005227 A CN 201310005227A CN 103115802 B CN103115802 B CN 103115802B
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Abstract
The invention discloses a radioactive aerosol sampling device, which is suitable to be fixed on an aircraft. The radioactive aerosol sampling device comprises a sampling tube, a sampling assembly, a detecting assembly, a processor assembly and a power supply, wherein a sampling cavity is arranged in the sampling tube; the sampling assembly is used for acquiring aerosol in air flowing through the sampling cavity; the detecting assembly comprises a temperature and humidity sensor, an air pressure sensor, a flow sensor and a GPS (global position system) antenna; the processor assembly is connected with the detecting assembly, and used for converting analog signals into digital signals and storing the digital signals; and the power supply is respectively connected with the processor assembly and the detecting assembly, and used for supplying power to the processor assembly and the detecting assembly. The radioactive aerosol sampling device disclosed by the embodiment of the invention has the advantages of small volume, short sampling time, wide sampling area, unrestricted sampling positions, large acquisition quantity, comprehensive data acquisition, and capability of improving the security of workers in accident areas, and the like.
Description
Technical field
The present invention relates to radioactivity atmosphere environment supervision field, in particular to a kind of radioaerosol sampling apparatus.
Background technology
Radioaerosol monitoring is an important content of atmospheric environment protection, and in producing for nuclear industry, Timeliness coverage radioactivity anomaly is revealed, and carries out air environmental pollution regulation significant.But radioactive environment monitoring at present exists following problem: after having an accident, and incident area radioactivity is strong, staff is not suitable for entering and carries out ground surface sample; Radioaerosol distributed areas are large, and it is high that personnel withdraw cost.Therefore, how under the prerequisite guaranteeing worker safety, the efficient air colloidal sol sampling carrying out large regions scope becomes problems faced in radioactive environment emergency monitoring.
Existing radioaerosol sampling apparatus adopts the active sampling in ground, mainly comprises air pump, sampling storehouse, and the structures such as air deflector, produce power by pumping with exhaust blower, carries out membrane filtration and collect particulate in sampling storehouse.Not only volume is comparatively large, the sampling time is longer for this radioaerosol sampling apparatus, sampling overlay area is less, and have certain restriction by the power demands of air pump to sampling position, cause radioaerosol sampling apparatus to be only applicable to locality sampling.
Some air pollution monitoring sampling thiefs adopt aviation sample mode, but its sampling pipe is vertical with airflow direction and sampling pipe has turning, and cause gasoloid loss more, aerocolloidal collection capacity is less, is difficult to realize low-activity horizontal detection.
Summary of the invention
The present invention is intended at least to solve one of technical matters existed in prior art.For this reason, one object of the present invention is to propose that a kind of volume is little, the sampling time is short, sample area is wide, sampling position is unrestricted, collection capacity is large, data acquisition is comprehensive, can improve the radioaerosol sampling apparatus of the security of staff in incident area.
For achieving the above object, the present invention proposes a kind of radioaerosol sampling apparatus, and described radioaerosol sampling apparatus is suitable for fixing on board the aircraft, comprising: sampling pipe, has the sampling cavity of through described sampling pipe along the longitudinal direction in described sampling pipe; Sampling component, described sampling component is located on described sampling pipe for gathering the gasoloid in the gas flowing through described sampling cavity; Detection components, described detection components comprise be located on described sampling component for detect the temperature and humidity of the gas through described sampling component Temperature Humidity Sensor, for detect the pressure of the gas through described sampling component baroceptor, for detecting the flow sensor of the flow velocity of the gas through described sampling component and being located on described sampling pipe for detecting sampling time, sampling longitude and latitude and the gps antenna of height of sampling; Processor module, described processor module is located on described sampling pipe, and described processor module is connected with described detection components so that the simulating signal of described detection components is converted to digital signal and described digital signal is stored by described processor module; And charger, described charger is connected to power to described processor module and described detection components with described processor module respectively with described detection components.
Pass through to fix on board the aircraft according to the radioaerosol sampling apparatus of the embodiment of the present invention, the particulate in the passive collection air of the aerodynamic force produced during aircraft flight can be utilized.The safety of carrying out the staff sampled in place where the accident occurred can be ensured like this, the place, ground that especially the unsuitable staff of nuclear accident early period of origination is close.Namely high radioactivity activity occasion can be avoided in nuclear emergency the injury of staff.And utilize aircraft to sample, not only significantly can improve the efficiency of sampling significantly to shorten the sampling time, and sampling is wider.
In addition, described radioaerosol sampling apparatus is not only without the need to arranging air pump, and described processor module small volume, power are lower, described charger is only needed to complete to be not less than the aerial continuous sampling of 20 hours and data to store, existing active radioaerosol sampling apparatus can be broken away from thus to the demand of large power supply, make sampling position unrestricted.
In addition, the sampling cavity of described sampling pipe is located along the longitudinal direction, and described sampling cavity can be made so consistent with the flow direction of air-flow, thus can increase the collection capacity of described radioaerosol sampling apparatus.And described sampling pipe is straight tube structure, without turning, aerocolloidal loss can be reduced thus, thus the collection capacity that can increase described radioaerosol sampling apparatus is further to realize low-activity horizontal detection.Described radioaerosol sampling apparatus is by arranging described gps antenna, the height of the time of sampling, the longitude and latitude of sampling and sampling can be detected, namely the parameter of sampling environment can be detected in real time, the data acquisition of described radioaerosol sampling apparatus can be made so more comprehensive, thus Data support can be provided for the radioanalysis of subsequent sample.
Therefore, according to the radioaerosol sampling apparatus of the embodiment of the present invention, there is the advantages such as the security that volume is little, the sampling time is short, sample area is wide, sampling position is unrestricted, collection capacity is large, data acquisition is comprehensive, can improve staff in incident area.
In addition, radioaerosol sampling apparatus according to the present invention also has following additional technical feature:
According to one embodiment of present invention, described sampling pipe comprises: the first sampling pipe, has the first sub-chamber of sampling of the sub-pipe of through described first sampling along the longitudinal direction in the sub-pipe of described first sampling; With the second sampling pipe, there is in the sub-pipe of described second sampling the second sub-chamber of sampling of the sub-pipe of through described second sampling along the longitudinal direction, the front end of the sub-pipe of described second sampling is connected with the described first rear end of sample sub-pipe and the described second sub-chamber of sampling, sub-chamber and described first of sample is communicated with, and wherein said sampling component is located at the described first sub pipe of sampling and samples between sub-pipe with described second.Can sample from described sampling component more easily like this.
According to one embodiment of present invention, described sampling pipe is made up of Polyvinylchloride, and the inside surface of described sampling pipe is polished surface.Not only can alleviate the weight of described sampling pipe thus, and be convenient to particulate and stick on described sampling component.
According to one embodiment of present invention, described first sampling pipe is connected with rear flange by forward flange with the sub-pipe of described second sampling, and described sampling component is between described forward flange and described rear flange.Son of so not only can sampling described first is managed and described second sampling is managed securely and removably couples together, and can be fixed on described sampling pipe by described sampling component more easily.
According to one embodiment of present invention, described sampling pipe is provided with fixed mount, and described processor module and described charger are located on described fixed mount.More easily described processor module and described charger can be arranged on described sampling pipe thus, and described processor module and the stability of described charger on described sampling pipe can be improved.
According to one embodiment of present invention, described fixed mount comprises the fore-stock of the front end being located at the sub-pipe of described second sampling, the after-poppet being located at the rear end of the sub-pipe of described second sampling and the horizontal stand be connected with described after-poppet with described fore-stock respectively, and described processor module and described charger are arranged on described horizontal stand.Can improve described processor module and the stability of described charger on described sampling pipe thus further, and the structure of described fixed mount is simple, easy to manufacture, installation and removal convenient.
According to one embodiment of present invention, described horizontal stand is provided with protection box, and described processor module and described charger are located in described protection box.Described protection box so not only can be utilized to protect described processor module to damage to prevent described processor module, and the outward appearance of described radioaerosol sampling apparatus can be made more neat, attractive in appearance.
According to one embodiment of present invention, described sampling component comprises: support, and described is erected between described first sampling pipe and the sub-pipe of described second sampling; And filtration members, described filtration members is established on the bracket and is sampled between sub-pipe at described first sampling pipe and described second.Described support can be utilized thus to support described filtration members to prevent described filtration members damaged by gas shock.
According to one embodiment of present invention, described support is silk screen, and described filtration members is filtering membrane.Described support not only can be avoided thus to hinder the flowing of air-flow in described sampling cavity, and further can improve the collection capacity of described radioaerosol sampling apparatus.
According to one embodiment of present invention, described sampling component also comprises air-flow conditioning part, there is in described air-flow conditioning part the air flow chamber of through described air-flow conditioning part along the longitudinal direction, the area of the xsect of described air flow chamber reduces along the flow direction of the gas in described air flow chamber, the front end of described air-flow conditioning part is connected with the rear surface of described support and rear end is stretched into described second and to be sampled sub-chamber, described Temperature Humidity Sensor, described baroceptor and described flow sensor are located on described air-flow conditioning part and described flow sensor is positioned at the gas outlet place of described air flow chamber.So not only can form stable wind speed field in the rear end of described air flow chamber, and the precision of testing result of described flow sensor can be improved.
According to one embodiment of present invention, be provided with front packing ring between described first sampling pipe and described filtration members, be provided with middle washer between described filtration members and described support, described support and described air-flow are nursed one's health between part and are provided with rear packing ring.The structure of described sampling component not only can be made thus more to stablize, protect described filtration members not to be damaged, and the sealing of described radioaerosol sampling apparatus can be improved.
According to one embodiment of present invention, the described processor module processor that comprises the GPS modular converter be connected with described gps antenna, the humiture modular converter be connected with described Temperature Humidity Sensor, the air pressure modular converter be connected with described baroceptor, the flow velocity modular converter be connected with described flow sensor, storage module and be connected with described storage module with described GPS modular converter, described humiture modular converter, described air pressure modular converter, described flow velocity modular converter respectively.Described processor module has the advantages such as performance is comprehensive, structure is simple, power is little.
According to one embodiment of present invention, described processor module also comprises wireless communication module, described wireless communication module be connected with described processor in case described processor by described wireless communication module by described digital data transmission to computing machine.In real time the testing result of described detection components can be transferred to ground thus, to provide timely Data support to Emergency decision.
According to one embodiment of present invention, described radioaerosol sampling apparatus also comprises and is suitable for being arranged on described carry-on erecting frame, and described sampling pipe is located on described erecting frame.Can reduce costs, improve the safety of described aircraft thus.
According to one embodiment of present invention, described erecting frame comprises base plate, is located at multiple installing frames on described base plate, the back timber that is connected with multiple described installing frame respectively at interval and and to be located on described back timber and is suitable for the aircraft web member be connected with described aircraft along the longitudinal direction, described base plate, limit installing space between multiple described installing frame and described back timber, described sampling pipe, described sampling component, described detection components, described processor module and described charger to be arranged on described base plate and to be positioned at described installing space.Described sampling pipe, described sampling component, described detection components, described processor module and the stability of described charger on described erecting frame can be improved thus, and the Stability Analysis of Structures of described erecting frame, easy to manufacture.
According to one embodiment of present invention, described erecting frame also comprises sampling pipe fixture, and described sampling pipe is arranged on described base plate by described sampling pipe fixture.Described sampling pipe, described sampling component, described detection components, described processor module and the stability of described charger on described erecting frame can be improved thus further.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the radioactivity sampling apparatus according to the embodiment of the present invention;
Fig. 2 is the explosive view of the radioactivity sampling apparatus according to the embodiment of the present invention;
Fig. 3 is the structural representation of the processor module of radioactivity sampling apparatus according to the embodiment of the present invention;
Fig. 4 is the structural representation of sampling apparatus in accordance with another embodiment of the present invention.
Computing machine 2, radioaerosol sampling apparatus 1, sampling pipe 100, sampling cavity 110, the sub-pipe 120 of first sampling, the sub-pipe 130 of second sampling, sampling component 200, support 210, filtration members 220, air-flow conditioning part 230, front packing ring 240, middle washer 250, rear packing ring 260, detection components 300, Temperature Humidity Sensor 310, baroceptor 320, flow sensor 330, gps antenna 340, processor module 400, GPS modular converter 410, humiture modular converter 420, air pressure modular converter 430, flow velocity modular converter 440, storage module 450, processor 460, wireless communication module 470, forward flange 500, rear flange 600, fixed mount 700, fore-stock 710, after-poppet 720, horizontal stand 730, protection box 731, base plate 810, installing frame 820, back timber 830, aircraft web member 840, sampling pipe fixture 850.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-Fig. 4, the radioaerosol sampling apparatus 1 according to the embodiment of the present invention is described.As Figure 1-Figure 4, according to the radioaerosol sampling apparatus 1 of the embodiment of the present invention be suitable for fixing on board the aircraft and radioaerosol sampling apparatus 1 comprises sampling pipe 100, sampling component 200, detection components 300, processor module 400 and charger (not shown).
There is the sampling cavity 110(fore-and-aft direction of through sampling pipe 100 along the longitudinal direction as shown in Figure 1, Figure 2 with shown in the arrow A in Fig. 4 in sampling pipe 100).Sampling component 200 is located on sampling pipe 100 for the gasoloid in the gas in acquisition stream over-sampling chamber 110.Detection components 300 comprise be located on sampling component 200 for detect the temperature and humidity of the gas through sampling component 200 Temperature Humidity Sensor 310, for detect the pressure of the gas through sampling component 200 baroceptor 320, for detecting the flow sensor 330 of the flow velocity of the gas through sampling component 200 and being located on sampling pipe 100 for detecting sampling time, sampling longitude and latitude and the gps antenna 340 of height of sampling.Processor module 400 is located on sampling pipe 100, and processor module 400 is connected with detection components 300 so that the simulating signal of detection components 300 is converted to digital signal and described digital signal is stored by processor module 400.Described charger is connected to power to processor module 400 and detection components 300 with processor module 400 respectively with detection components 300.
Below with reference to Fig. 1-Fig. 4, the course of work according to the radioaerosol sampling apparatus 1 of the embodiment of the present invention is described.Radioaerosol sampling apparatus 1 is fixed on board the aircraft, aircraft is in flight course, air-flow flows into sampling cavity 110 from the front end of sampling pipe 100, air-flow is when sampling component 200, particulate in air is collected on sampling component 200, the Temperature Humidity Sensor 310 of detection components 300 detects the temperature and humidity of the air through sampling component 200 simultaneously, baroceptor 320 detects the air pressure of the air through sampling component 200, flow sensor 330 flow velocity through the air of sampling component 200 detected and gps antenna 340 detects time of sampling, the longitude and latitude of sampling and the height of sampling, the simulating signal that detection components 300 detects is converted into digital signal and described digital signal is stored by processor module 400.After collection completes, the volume of sampled air can be calculated according to the described digital signal stored.Particularly, can according to the humiture of the air through sampling component 200, through the air of sampling component 200 air pressure and calculate the volume of sampled air through the velocimeter of the air of sampling component 200, then calculate the radioactive concentration in pickup area according to the aerocolloidal gauge that the volume of described sampled air and sampling component 200 gather.Wherein gps antenna 340 detect sampling time, sampling longitude and latitude and height of sampling analyze testing result data further for the later stage.
Radioaerosol sampling apparatus 1 according to the embodiment of the present invention passes through to fix on board the aircraft, can utilize the particulate in the passive collection air of the aerodynamic force produced during aircraft flight.The safety of carrying out the staff sampled in place where the accident occurred can be ensured like this, the place, ground that especially the unsuitable staff of nuclear accident early period of origination is close.Namely high radioactivity activity occasion can be avoided in nuclear emergency the injury of staff.And utilize aircraft to sample, not only significantly can improve the efficiency of sampling significantly to shorten the sampling time, and sampling is wider.
In addition, radioaerosol sampling apparatus 1 is not only without the need to arranging air pump, and processor module 400 small volume, power are lower, described charger is only needed to complete to be not less than the aerial continuous sampling of 20 hours and data to store, existing active radioaerosol sampling apparatus can be broken away from thus to the demand of large power supply, make sampling position unrestricted.
In addition, the sampling cavity 110 of sampling pipe 100 is located along the longitudinal direction, sampling cavity 110 can be made so consistent with the flow direction of air-flow, thus can increase the collection capacity of radioaerosol sampling apparatus 1.And sampling pipe 100 is straight tube structure, without turning, aerocolloidal loss can be reduced thus, thus the collection capacity that can increase radioaerosol sampling apparatus 1 is further to realize low-activity horizontal detection.Radioaerosol sampling apparatus 1 is by arranging gps antenna 340, the height of the time of sampling, the longitude and latitude of sampling and sampling can be detected, namely the parameter of sampling environment can be detected in real time, the data acquisition of radioaerosol sampling apparatus 1 can be made so more comprehensive, thus Data support can be provided for the radioanalysis of subsequent sample.
Therefore, according to the radioaerosol sampling apparatus 1 of the embodiment of the present invention, there is the advantages such as the security that volume is little, the sampling time is short, sample area is wide, sampling position is unrestricted, collection capacity is large, data acquisition is comprehensive, can improve staff in incident area.
Fig. 1, Fig. 2 and Fig. 4 show the radioaerosol sampling apparatus 1 according to the present invention's specific embodiment.As Figure 1-Figure 4, sampling pipe 100 can comprise the sub-pipe of the first sampling 120 and the sub-pipe 130 of the second sampling.The first sub-chamber of sampling of the sub-pipe 120 of through first sampling along the longitudinal direction can be had in the sub-pipe of first sampling 120.The second sub-chamber of sampling of the sub-pipe 130 of through second sampling along the longitudinal direction can be had in the sub-pipe of second sampling 130, the rear end that can sample sub-pipe 120 with first, front end of the sub-pipe 130 of the second sampling is connected and the described second sub-chamber of sampling can be communicated with the described first sub-chamber of sampling, and namely the described second sub-chamber of sampling can form sampling cavity 110 jointly with the described first sub-chamber of sampling.During aircraft flight, air-flow, first through the described first sub-chamber of sampling, is then flowed out by the described second sub-chamber of sampling.Wherein sampling component 200 can be located between the sub-pipe of the first sampling 120 and the sub-pipe 130 of the second sampling.Like this after sampling completes, sampling component 200 can be taken out by sample sub-pipe 120 and the sub-pipe 130 of the second sampling of dismounting first, thus can sample from sampling component 200 more easily.
Specifically, described first xsect gathering sub-chamber can be able to be 196 millimeters for the diameter of the xsect in the circular and described first sub-chamber of collection, can improve aerocolloidal collection capacity further thus, thus the detection limit that can improve collected specimens is for use in the lower daily atmosphere environment supervision of radioactive concentration.Described first length gathering sub-chamber can be 300 millimeters, so not only can form stable air-flow entity in the described first sub-chamber of collection and think that sampling component 200 sampling provides pressure, and lateral airflow gathers sub-cavity pressure impact on described first can be reduced.
Described second xsect gathering sub-chamber can be able to be 196 millimeters for the diameter of the xsect in the circular and described second sub-chamber of collection, and the described second length gathering sub-chamber can be 450 millimeters.Not only can so that installation process device assembly 400, make the air-flow through sampling component 200 have a stable velocity field, and the center of gravity of radioaerosol sampling apparatus 1 can be made to the rear with the stability of the structure improving radioaerosol sampling apparatus 1 thus.
Advantageously, sampling pipe 100 can be made up of Polyvinylchloride, and the inside surface of sampling pipe 100 can be polished surface.Namely the sub-pipe 120 of the first sampling and the sub-pipe 130 of the second sampling can be made up of Polyvinylchloride, and the wall in the described first sub-chamber of sampling and the wall in the described second sub-chamber of sampling can polishings.Not only can alleviate the weight of sampling pipe 100 thus when the rigidity of guarantee sampling pipe 100 is enough, and the resistance of air can be reduced so that particulate sticks on sampling component 200.
Alternatively, as depicted in figs. 1 and 2, the sub-pipe 120 of the first sampling can be connected with rear flange 600 by forward flange 500 with the sub-pipe 130 of the second sampling, and sampling component 200 can between forward flange 500 and rear flange 600.Particularly, forward flange 500 can be connected by 4 bolts with rear flange 600.So not only can by the sub-pipe of the first sampling 120 and the sub-pipe 130 of the second sampling securely and removably couple together, and can more easily sampling component 200 be fixed on sampling pipe 100.
Fig. 1, Fig. 2 and Fig. 4 show radioaerosol sampling apparatus 1 according to an embodiment of the invention.As shown in Figure 1, Figure 2 and Figure 4, sampling pipe 100 can be provided with fixed mount 700, processor module 400 and described charger can be located on fixed mount 700.More easily processor module 400 and described charger can be arranged on sampling pipe 100 thus, and processor module 400 and the stability of described charger on sampling pipe 100 can be improved.
Alternatively, as depicted in figs. 1 and 2, fixed mount 700 can comprise the fore-stock 710 of the front end being located at the sub-pipe of the second sampling 130, the after-poppet 720 being located at the rear end of the sub-pipe 130 of the second sampling and the horizontal stand 730 be connected with after-poppet 720 with fore-stock 710 respectively, and processor module 400 and described charger can be arranged on horizontal stand 730.In other words, the front end of horizontal stand 730 can be connected with fore-stock 710 and the rear end of horizontal stand 730 can be connected with after-poppet 720, and fore-stock 710, horizontal stand 730 can be connected by 4 threaded rods with after-poppet 720.Can improve processor module 400 and the stability of described charger on sampling pipe 100 thus further, and the structure of fixed mount 700 is simple, easy to manufacture, installation and removal convenient.
Advantageously, as shown in Figure 1, Figure 2 and Figure 4, horizontal stand 730 can be provided with protection box 731, processor module 400 and described charger can be located in protection box 731.Wherein protect box 731 can be multiple, with suitable with the structure of processor module 400 in the various piece that multiple protection box 731 can be located at processor module 400 respectively.Protection box 731 conservation treatment device assembly 400 so not only can be utilized to damage to prevent processor module 400, and the outward appearance of radioaerosol sampling apparatus 1 can be made more neat, attractive in appearance.
Fig. 2 shows the radioaerosol sampling apparatus 1 according to the present invention's concrete example.As shown in Figure 2, sampling component 200 can comprise support 210 and filtration members 220.Support 210 can be located between the sub-pipe of the first sampling 120 and the sub-pipe 130 of the second sampling.Filtration members 220 can be established on the bracket 210 and filtration members 220 can be sampled between sub-pipe 130, for gathering the particulate in the air of process at the sub-pipe 120 and second of the first sampling.Particularly, support 210 and filtration members 220 can be clamped between forward flange 500 and rear flange 600, and filtration members 220 can be strained and fixed on the sub-pipe 120 of the first sampling by silk thread to ensure the planarization of filtration members 220.By arranging support 210, support 210 can be utilized to support filtration members 220 to prevent filtration members 220 damaged by gas shock.
Specifically, support 210 can be silk screen, and filtration members 220 can be filtering membrane.More specifically, support 210 can be steel silk screen, and filtration members 220 can be the circular microporous glass fiber filter membrane of 200 millimeters for diameter.Support 210 not only can be avoided thus to hinder the flowing of air-flow in sampling cavity 110, and further can improve the collection capacity of radioaerosol sampling apparatus 1.
Alternatively, as shown in Figure 2, sampling component 200 can also comprise air-flow conditioning part 230, the air flow chamber of through air-flow conditioning part 230 along the longitudinal direction can be had in air-flow conditioning part 230, the area of the xsect of described air flow chamber can reduce along the flow direction of the gas in described air flow chamber, and namely the area of the xsect of the rear end of described air flow chamber can be less than the area of the xsect of the front end in described air flow chamber.The front end of air-flow conditioning part 230 can be connected with the rear surface of described support 210 and the rear end that air-flow nurse one's health part 230 can be stretched into described second and sample sub-chamber, and Temperature Humidity Sensor 310, baroceptor 320 and flow sensor 330 can be located at air-flow and to nurse one's health on part 230 and flow sensor 330 can be positioned at the gas outlet place (namely air-flow nurses one's health the rear end of part 230) of described air flow chamber.Because the flow velocity of the air-flow through filtration members 220 can significantly reduce, by arranging air-flow conditioning part 230, not only can form stable wind speed field in the rear end of described air flow chamber, and the flow velocity of the air-flow through filtration members 220 can be improved, thus the flow velocity through the air-flow of filtration members 220 can be made to be positioned at the optimum detection scope of flow sensor 330 to improve the precision of the testing result of flow sensor 330.
Particularly, air-flow conditioning part 230 length in the longitudinal direction can be 160 millimeters, and wherein the straight portion length in the longitudinal direction at the rear portion of air-flow conditioning part 230 can be 100 millimeters.The diameter of the xsect of described air flow chamber front end can be 196 millimeters, the diameter of the xsect of described air flow chamber rear end can be 40 millimeters, and the ratio of the area of the area of the xsect of described air flow chamber front end and the xsect of described air flow chamber rear end can be 24:1.Because the area of the flow velocity of air-flow and the xsect of described air flow chamber is inversely proportional to, therefore the ratio of the flow velocity of the flow velocity of the air-flow of described air flow chamber front end and the air-flow of described air flow chamber rear end is 40
2: 196
2, i.e. 1:24.
Advantageously, as shown in Figure 2, front packing ring 240 can be provided with between the first sub-pipe 120 of sampling and filtration members 220, namely front packing ring 240 can be provided with between forward flange 500 and filtration members 220, can be provided with middle washer 250 between filtration members 220 and support 210, support 210 and air-flow are nursed one's health between part 230 can be provided with rear packing ring 260.Front packing ring 240 can ensure that forward flange 500 presses filtration members 220, and can prevent filtration members 220 from being extruded by forward flange 500 and damaged.Middle washer 250 can ensure that support 210 presses filtration members 220, and can prevent filtration members 220 from being pressed by support 210 and damaging.Rear packing ring 260 can make support 210 and air-flow nurse one's health part 230 compact siro spinning technology.That is; by arranging front packing ring 240, middle washer 250 and rear packing ring 260; the structure of sampling component 200 not only can be made more to stablize, protect filtration members 220 not to be damaged, and the gap that can seal between the sub-pipe of the first sampling 120 and the sub-pipe 130 of the second sampling is to improve the sealing of radioaerosol sampling apparatus 1.
Fig. 3 shows radioaerosol sampling apparatus 1 according to an embodiment of the invention.As shown in Figure 3, processor module 400 processor 460 that can comprise the GPS modular converter 410 be connected with gps antenna 340, the humiture modular converter 420 be connected with Temperature Humidity Sensor 310, the air pressure modular converter 430 be connected with baroceptor 320, the flow velocity modular converter 440 be connected with flow sensor 330, storage module 450 and be connected with GPS modular converter 410, humiture modular converter 420, air pressure modular converter 430, flow velocity modular converter 440 and storage module 450 respectively.The simulating signal of gps antenna 340 can be converted into digital signal and transfer to processor 460 by GPS modular converter 410, the simulating signal of Temperature Humidity Sensor 310 can be converted into digital signal and transfer to processor 460 by humiture modular converter 420, the simulating signal of baroceptor 320 can be converted into digital signal and transfer to processor 460 by air pressure modular converter 430, the simulating signal of flow sensor 330 can be converted into digital signal and transfer to processor 460 by flow velocity modular converter 440, processor 460 receives GPS modular converter 410, humiture modular converter 420, after the digital signal of the transmission of air pressure modular converter 430 and flow velocity modular converter 440, digital signal is stored in storage module 450.Processor module 400 has the advantages such as performance is comprehensive, structure is simple, power is little.
Wherein protect box 731 can be two, two protection boxes 731 can be located on horizontal stand 730 along the longitudinal direction at interval, and the less protection box 731 being positioned at front can be located at separately flow velocity modular converter 440.
Advantageously, as shown in Figure 3, processor module 400 can also comprise wireless communication module 470, and wireless communication module 470 can be connected with processor 460 so that processor 460 passes through wireless communication module 470 by described digital data transmission to computing machine 2.In real time the testing result of detection components 300 can be transferred to ground thus, to provide timely Data support to Emergency decision.
Fig. 4 shows the radioaerosol sampling apparatus 1 according to the present invention's specific embodiment.As shown in Figure 4, radioaerosol sampling apparatus 1 can also comprise and is suitable for being arranged on described carry-on erecting frame, and sampling pipe 100 can be located on described erecting frame.By arranging described mounting bracket, can more easily whole radioaerosol sampling apparatus 1 be arranged in the suspension of the bottom of described aircraft.That is, without the need to carrying out structural modification to described aircraft, can reduce costs, improving the safety of described aircraft thus.
Specifically, as shown in Figure 4, described erecting frame can comprise base plate 810, be located at multiple installing frames 820 on base plate 810, the back timber 830 that is connected with multiple installing frame 820 respectively at interval and and to be located on back timber 830 and be suitable for the aircraft web member 840 be connected with described aircraft along the longitudinal direction, base plate 810, can limit installing space between multiple installing frame 820 and back timber 830, sampling pipe 100, sampling component 200, detection components 300, processor module 400 and described charger can be arranged on base plate 810 and can be positioned at described installing space.Base plate 810 can be formed by multiple bar transverse and longitudinal cross welds, and aircraft web member 840 can be that multiple and multiple aircraft web member 840 can be connected with the suspension bottom described aircraft.Sampling pipe 100, sampling component 200, detection components 300, processor module 400 and the stability of described charger on described erecting frame can be improved thus, and the Stability Analysis of Structures of described erecting frame, easy to manufacture.
Wherein sampling pipe 100, sampling component 200, detection components 300, processor module 400 and described charger can for many groups to improve aerocolloidal collection capacity, and back timber 830 can for multiple with the stability of the structure ensureing described erecting frame.
Advantageously, described erecting frame can also comprise sampling pipe fixture 850, and sampling pipe 100 can be arranged on base plate 810 by sampling pipe fixture 850.Particularly, sampling pipe fixture 850 can be four, and fore-stock 710 can be arranged on base plate 810 by two sampling pipe fixtures 850, and after-poppet 720 can be arranged on base plate 810 by two sampling pipe fixtures 850.Sampling pipe 100, sampling component 200, detection components 300, processor module 400 and the stability of described charger on described erecting frame can be improved thus further.
More advantageously, sampling pipe fixture 850 can be welded on base plate 810 and fore-stock 710 can be connected with sampling pipe fixture 850 respectively by bolt with after-poppet 720, can the dismounting of radioaerosol sampling apparatus 1 be made convenient while the stable fastness ensureing radioaerosol sampling apparatus 1 like this.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (16)
1. a radioaerosol sampling apparatus, is characterized in that, described radioaerosol sampling apparatus is suitable for fixing on board the aircraft, and described radioaerosol sampling apparatus comprises:
Sampling pipe, has the sampling cavity of through described sampling pipe along the longitudinal direction in described sampling pipe, described sampling pipe is straight tube, and one end of described sampling cavity forms air intake opening, and the area of described air intake opening is consistent with the cross-sectional area size of described sampling cavity;
Sampling component, described sampling component is located on described sampling pipe for gathering the gasoloid in the gas flowing through described sampling cavity;
Detection components, described detection components comprise be located on described sampling component for detect the temperature and humidity of the gas through described sampling component Temperature Humidity Sensor, for detect the pressure of the gas through described sampling component baroceptor, for detecting the flow sensor of the flow velocity of the gas through described sampling component and being located on described sampling pipe for detecting sampling time, sampling longitude and latitude and the gps antenna of height of sampling;
Processor module, described processor module is located on described sampling pipe, and described processor module is connected with described detection components so that the simulating signal of described detection components is converted to digital signal and described digital signal is stored by described processor module; With
Charger, described charger is connected to power to described processor module and described detection components with described processor module respectively with described detection components.
2. radioaerosol sampling apparatus according to claim 1, is characterized in that, described sampling pipe comprises:
First sampling pipe, has the first sub-chamber of sampling of the sub-pipe of through described first sampling along the longitudinal direction in the sub-pipe of described first sampling; With
Second sampling pipe, there is in the sub-pipe of described second sampling the second sub-chamber of sampling of the sub-pipe of through described second sampling along the longitudinal direction, the front end of the sub-pipe of described second sampling is connected with the described first rear end of sample sub-pipe and the described second sub-chamber of sampling, sub-chamber and described first of sample is communicated with, and wherein said sampling component is located at the described first sub pipe of sampling and samples between sub-pipe with described second.
3. radioaerosol sampling apparatus according to claim 1, is characterized in that, described sampling pipe is made up of Polyvinylchloride, and the inside surface of described sampling pipe is polished surface.
4. radioaerosol sampling apparatus according to claim 2, is characterized in that, described first sampling pipe is connected with rear flange by forward flange with the sub-pipe of described second sampling, and described sampling component is between described forward flange and described rear flange.
5. radioaerosol sampling apparatus according to claim 2, is characterized in that, described sampling pipe is provided with fixed mount, and described processor module and described charger are located on described fixed mount.
6. radioaerosol sampling apparatus according to claim 5, it is characterized in that, described fixed mount comprises the fore-stock of the front end being located at the sub-pipe of described second sampling, the after-poppet being located at the rear end of the sub-pipe of described second sampling and the horizontal stand be connected with described after-poppet with described fore-stock respectively, and described processor module and described charger are arranged on described horizontal stand.
7. radioaerosol sampling apparatus according to claim 6, is characterized in that, described horizontal stand is provided with protection box, and described processor module and described charger are located in described protection box.
8. radioaerosol sampling apparatus according to claim 2, is characterized in that, described sampling component comprises:
Support, described is erected between described first sampling pipe and the sub-pipe of described second sampling; With
Filtration members, described filtration members is established on the bracket and is sampled between sub-pipe at described first sampling pipe and described second.
9. radioaerosol sampling apparatus according to claim 8, is characterized in that, described support is silk screen, and described filtration members is filtering membrane.
10. radioaerosol sampling apparatus according to claim 9, it is characterized in that, described sampling component also comprises air-flow conditioning part, there is in described air-flow conditioning part the air flow chamber of through described air-flow conditioning part along the longitudinal direction, the area of the xsect of described air flow chamber reduces along the flow direction of the gas in described air flow chamber, the front end of described air-flow conditioning part is connected with the rear surface of described support and rear end is stretched into described second and to be sampled sub-chamber, described Temperature Humidity Sensor, described baroceptor and described flow sensor are located on described air-flow conditioning part and described flow sensor is positioned at the gas outlet place of described air flow chamber.
11. radioaerosol sampling apparatuses according to claim 10, it is characterized in that, be provided with front packing ring between described first sampling pipe and described filtration members, be provided with middle washer between described filtration members and described support, described support and described air-flow are nursed one's health between part and are provided with rear packing ring.
12. radioaerosol sampling apparatuses according to claim 1, it is characterized in that, the processor that described processor module comprises the GPS modular converter be connected with described gps antenna, the humiture modular converter be connected with described Temperature Humidity Sensor, the air pressure modular converter be connected with described baroceptor, the flow velocity modular converter be connected with described flow sensor, storage module and is connected with described storage module with described GPS modular converter, described humiture modular converter, described air pressure modular converter, described flow velocity modular converter respectively.
13. radioaerosol sampling apparatuses according to claim 12, it is characterized in that, described processor module also comprises wireless communication module, described wireless communication module be connected with described processor in case described processor by described wireless communication module by described digital data transmission to computing machine.
14. radioaerosol sampling apparatuses according to claim 1, is characterized in that, also comprise and be suitable for being arranged on described carry-on erecting frame, described sampling pipe is located on described erecting frame.
15. radioaerosol sampling apparatuses according to claim 14, it is characterized in that, described erecting frame comprises base plate, be located at the multiple installing frames on described base plate along the longitudinal direction at interval, the back timber be connected with multiple described installing frame respectively with to be located on described back timber and to be suitable for the aircraft web member that is connected with described aircraft, described base plate, installing space is limited between multiple described installing frame and described back timber, described sampling pipe, described sampling component, described detection components, described processor module and described charger to be arranged on described base plate and to be positioned at described installing space.
16. radioaerosol sampling apparatuses according to claim 15, it is characterized in that, described erecting frame also comprises sampling pipe fixture, and described sampling pipe is arranged on described base plate by described sampling pipe fixture.
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| CN102879232B (en) * | 2012-10-12 | 2014-07-09 | 山东大学 | Miniature onboard cloud droplet sampling system and working method thereof |
| US10345216B2 (en) | 2014-08-20 | 2019-07-09 | Research Triangle Institute | Systems, devices, and methods for flow control and sample monitoring control |
| US9915600B2 (en) | 2016-02-19 | 2018-03-13 | Research Triangle Institute | Devices, systems and methods for detecting particles |
| CN105181398A (en) * | 2015-09-25 | 2015-12-23 | 南京航空航天大学 | Passive aerosol continuous sampling device |
| CN108801715A (en) * | 2018-05-18 | 2018-11-13 | 南京航空航天大学 | A kind of novel radioactive aerosol real-time sampling measuring device and its measurement method |
| CN108507840B (en) * | 2018-05-31 | 2021-05-04 | 重庆交通大学 | Unmanned aerial vehicle atmospheric biological particle collecting device and method thereof |
| US11047787B2 (en) | 2019-04-29 | 2021-06-29 | Research Triangle Institute | And method for optical bench for detecting particles |
| CN111813136B (en) * | 2020-07-02 | 2021-04-23 | 中国人民解放军国防科技大学 | Method for quickly forming extinction type bioaerosol at preset height |
| CN112162308A (en) * | 2020-08-13 | 2021-01-01 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Radioactive gas on-line monitoring device |
| CN112162309A (en) * | 2020-08-13 | 2021-01-01 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Cabinet type air-borne radioactive integrated monitoring device |
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