CN203069420U - Radioactive aerosol sampling device - Google Patents
Radioactive aerosol sampling device Download PDFInfo
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- CN203069420U CN203069420U CN 201320006725 CN201320006725U CN203069420U CN 203069420 U CN203069420 U CN 203069420U CN 201320006725 CN201320006725 CN 201320006725 CN 201320006725 U CN201320006725 U CN 201320006725U CN 203069420 U CN203069420 U CN 203069420U
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Abstract
The utility model discloses a radioactive aerosol sampling device which is suitable to be fixed on an aircraft. The radioactive aerosol sampling device comprises a sampling pipe provided with a sampling cavity inside; a sampling assembly used for collecting aerosol in gas flowing by the sampling cavity; a detecting assembly comprising a temperature and humidity sensor, an air pressure sensor, a flow speed sensor and a GPS (Global Position System) antenna; a processor assembly connected with the detecting assembly for converting an analog signal into a digital signal and storing the digital signal; and a power supply respectively connected with the processor assembly and the detecting assembly for supplying power to the processor assembly and the detecting assembly. The radioactive aerosol sampling device disclosed by the embodiment of the utility model has the advantages of small volume, short sampling time, wide sampling region, unlimited sampling position, large collection quantity, comprehensive data collection, capability of improving safety of working personnel in accident regions, and the like.
Description
Technical field
The utility model relates to radioactivity atmosphere environment supervision field, in particular to a kind of radioaerosol sampling apparatus.
Background technology
The radioaerosol monitoring is an important content of atmospheric environment protection, in time finds the radioactivity anomaly leakage in producing for nuclear industry, and it is significant to carry out the air environmental pollution regulation.But there is following problem in radioactive environment monitoring at present: after having an accident, the incident area radioactivity is strong, and the staff is not suitable for entering and carries out the ground surface sample; The radioaerosol distributed areas are big, and personnel withdraw the cost height.Therefore, how under the prerequisite of guaranteeing staff's safety, the efficient sampling of aerosol of carrying out big regional extent becomes the problem that faces in the radioactive environment emergency monitoring.
Existing radioaerosol sampling apparatus adopts the active sampling in ground, mainly comprises air pump, the sampling storehouse, and structures such as air deflector produce power by pumping with exhaust blower, carry out membrane filtration and collect particulate in the sampling storehouse.Not only volume is big for this radioaerosol sampling apparatus, the sampling time is long, the sampling overlay area is less, and be subjected to the power demands of air pump that there is certain restriction the sampling position, cause the radioaerosol sampling apparatus only to be applicable to the locality sampling.
Some air pollution monitoring sampling thiefs adopt the aviation sample mode, but its sampling pipe is vertical with airflow direction and sampling pipe has the turning, cause the gasoloid loss more, and aerocolloidal collection capacity is less, is difficult to realize the low-activity horizontal detection.
The utility model content
The utility model is intended to solve at least one of technical matters that exists in the prior art.For this reason, a purpose of the present utility model is to propose that a kind of volume is little, the sampling time is short, sample area is wide, the sampling position is unrestricted, collection capacity is big, data acquisition is comprehensive, can improve the radioaerosol sampling apparatus of staff's security in the incident area.
For achieving the above object, the utility model proposes a kind of radioaerosol sampling apparatus, described radioaerosol sampling apparatus is suitable for being fixed on the aircraft, comprising: sampling pipe has the sampling cavity that connects described sampling pipe along fore-and-aft direction in the described sampling pipe; Sampling component, described sampling component are located at and are used for the gasoloid that acquisition stream is crossed the gas of described sampling cavity on the described sampling pipe; Detection components, described detection components comprise and being located on the described sampling component for detection of through the Temperature Humidity Sensor of the temperature and humidity of the gas of described sampling component, for detection of through the baroceptor of the pressure of the gas of described sampling component, for detection of through the flow sensor of the flow velocity of the gas of described sampling component and be located on the described sampling pipe gps antenna for detection of sampling time, sampling longitude and latitude and height of sampling; Processor module, described processor module are located on the described sampling pipe, and described processor module links to each other with described detection components so that described processor module is digital signal with the analog signal conversion of described detection components and described digital signal stored; And charger, described charger links to each other with described detection components that with described processor module described processor module and described detection components are powered respectively.
According to radioaerosol sampling apparatus of the present utility model by being fixed on the aircraft the airborne particulate of the passive collection of the aerodynamic force that produces in the time of can utilizing aircraft flight.Can guarantee the staff's that samples in the place where the accident occurred the unsuitable close place, ground of staff of safety, especially nuclear accident early period of origination like this.Namely can avoid in the nuclear emergency high radioactivity activity occasion to staff's injury.And utilize aircraft to sample, the efficient that not only can significantly improve sampling is significantly shortening the sampling time, and sampling is wider.
In addition, described radioaerosol sampling apparatus not only need not to arrange air pump, and described processor module volume is less, power is lower, only need can finish aerial continuous sampling and the data storage that is not less than 20 hours by described charger, can break away from existing active radioaerosol sampling apparatus thus to the demand of large power supply, make the sampling position unrestricted.
In addition, the sampling cavity of described sampling pipe is located along fore-and-aft direction, can make described sampling cavity consistent with the flow direction of air-flow like this, thereby can increase the collection capacity of described radioaerosol sampling apparatus.And described sampling pipe is straight tube structure, and aerocolloidal loss can be reduced thus in no turning, thereby the collection capacity that can further increase described radioaerosol sampling apparatus is to realize the low-activity horizontal detection.Described radioaerosol sampling apparatus is by arranging described gps antenna, can detect the time of sampling, the longitude and latitude of sampling and the height of sampling, namely can detect the parameter of sampling environment in real time, can make the data acquisition of described radioaerosol sampling apparatus more comprehensive like this, thereby the data support can be provided for the radioanalysis of subsequent sample.
Therefore, have the advantages such as security that volume is little, the sampling time is short, sample area is wide, the sampling position is unrestricted, collection capacity is big, data acquisition is comprehensive, can improve staff in the incident area according to radioaerosol sampling apparatus of the present utility model.
In addition, also have following additional technical feature according to radioaerosol sampling apparatus of the present utility model:
Described sampling pipe comprises: the first sampling pipe has the sub-chamber of first sampling that connects the sub-pipe of described first sampling along fore-and-aft direction in the sub-pipe of described first sampling; With the second sampling pipe, has the sub-chamber of second sampling that connects the sub-pipe of described second sampling along fore-and-aft direction in the sub-pipe of described second sampling, the front end of the sub-pipe of described second sampling links to each other with the rear end of the sub-pipe of described first sampling and the sub-chamber of described second sampling is communicated with the sub-chamber of described first sampling, and wherein said sampling component is located between the described first sampling pipe and the sub-pipe of described second sampling.Can take a sample from described sampling component more easily like this.
Described sampling pipe is made by 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 the described sampling component.
The described first sampling pipe links to each other 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.So not only the described first sampling pipe and the described second sampling pipe can be coupled together securely and removably, and can more easily described sampling component be fixed on the described sampling pipe.
Described sampling pipe is provided with fixed mount, and described processor module and described charger are located on the described fixed mount.Can more easily described processor module and described charger be installed on the described sampling pipe thus, and can improve described processor module and the stability of described charger on described sampling pipe.
Described fixed mount comprises the fore-stock of the front end that is located at the sub-pipe of described second sampling, the after-poppet of rear end that is located at the sub-pipe of described second sampling and the horizontal stand that links to each other with described after-poppet with described fore-stock respectively, and described processor module and described charger are installed on the described horizontal stand.Can further improve described processor module and the stability of described charger on described sampling pipe thus, and simple in structure, easy to manufacture, the installation and removal convenience of described fixed mount.
Described horizontal stand is provided with the protection box, and described processor module and described charger are located in the described protection box.So not only can utilize described protection box to protect described processor module to damage to prevent described processor module, and can make the outward appearance of described radioaerosol sampling apparatus more neat, attractive in appearance.
Described sampling component comprises: support, and described is erected between the described first sampling pipe and the sub-pipe of described second sampling; And filter member, described filter member is located on the described support and at the described first sampling pipe and described second and samples between the sub-pipe.Can utilize the breakage to prevent described filter member by gas shock of the described filter member of described stent support thus.
Described support is silk screen, and described filter member is filtering membrane.Not only can avoid described support to hinder air-flow flowing in described sampling cavity thus, and can further improve the collection capacity of described radioaerosol sampling apparatus.
Described sampling component also comprises air-flow conditioning part, has the air flow chamber that connects described air-flow conditioning part along fore-and-aft direction in the described air-flow conditioning part, the area of the xsect of described air flow chamber reduces along the gas flow direction in the described air flow chamber, the front end of described air-flow conditioning part links to each other with the rear surface of described support and the sub-chamber of described second sampling is stretched in the rear end, and the gas outlet that described Temperature Humidity Sensor, described baroceptor and described flow sensor are located on the described air-flow conditioning part and described flow sensor is positioned at described air flow chamber is located.So not only stable wind speed field can be formed in the rear end of described air flow chamber, and the precision of the testing result of described flow sensor can be improved.
Be provided with preceding packing ring between the described first sampling pipe and the described filter member, be provided with middle washer between described filter member and the described support, be provided with the back packing ring between described support and the described air-flow conditioning part.Not only can make the structure of described sampling component stable more thus, protect described filter member not to be damaged, and can improve the sealing of described radioaerosol sampling apparatus.
Described processor module comprises the GPS modular converter that links to each other with described gps antenna, the humiture modular converter that links to each other with described Temperature Humidity Sensor, the air pressure modular converter that links to each other with described baroceptor, the flow velocity modular converter that links to each other with described flow sensor, storage module and the processor that links to each other 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 advantages such as performance is comprehensive, simple in structure, power is little.
Described processor module also comprises wireless communication module, described wireless communication module link to each other with described processor in case described processor by described wireless communication module with described digital data transmission to computing machine.Thus can be in real time the testing result of described detection components be transferred to ground, to provide timely data support to emergent decision-making.
Described radioaerosol sampling apparatus comprises also and is suitable for being installed in described carry-on erecting frame that described sampling pipe is located on the described erecting frame.Can reduce cost, improve the safety of described aircraft thus.
Described erecting frame comprises base plate, turn up the soil at interval along fore-and-aft direction the back timber that is located at a plurality of installing frames on the described base plate, links to each other with a plurality of described installing frames respectively be located at described back timber on and be suitable for the aircraft web member that links to each other with described aircraft, limit installing space between described base plate, a plurality of described installing frame and the described back timber, described sampling pipe, described sampling component, described detection components, described processor module and described charger are installed on the described base plate and are positioned at described installing space.Can improve described sampling pipe, described sampling component, described detection components, described processor module and the stability of described charger on described erecting frame thus, and the Stability Analysis of Structures of described erecting frame, easy to manufacture.
Described erecting frame also comprises the sampling pipe fixture, and described sampling pipe is installed on the described base plate by described sampling pipe fixture.Can further improve described sampling pipe, described sampling component, described detection components, described processor module and the stability of described charger on described erecting frame thus.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation according to the radioactivity sampling apparatus of the utility model embodiment;
Fig. 2 is the explosive view according to the radioactivity sampling apparatus of the utility model embodiment;
Fig. 3 is the structural representation according to the processor module of the radioactivity sampling apparatus of the utility model embodiment;
Fig. 4 is the structural representation according to the sampling apparatus of another embodiment of the utility model.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete implication of above-mentioned term in the utility model.
Below with reference to the radioaerosol sampling apparatus 1 of Fig. 1-Fig. 4 description according to the utility model embodiment.As Fig. 1-shown in Figure 4, be suitable for being fixed on the aircraft and radioaerosol sampling apparatus 1 comprises sampling pipe 100, sampling component 200, detection components 300, processor module 400 and charger (not shown) according to the radioaerosol sampling apparatus 1 of the utility model embodiment.
Have in the sampling pipe 100 along fore-and-aft direction and connect the sampling cavity 110(fore-and-aft direction of sampling pipe 100 shown in the arrow A among Fig. 1, Fig. 2 and Fig. 4).Sampling component 200 is located at the gasoloid that is used for the gas in acquisition stream over-sampling chamber 110 on the sampling pipe 100.Detection components 300 comprises and being located on the sampling component 200 for detection of through the Temperature Humidity Sensor 310 of the temperature and humidity of the gas of sampling component 200, for detection of through the baroceptor 320 of the pressure of the gas of sampling component 200, for detection of through the flow sensor 330 of the flow velocity of the gas of sampling component 200 and be located on the sampling pipe 100 gps antenna 340 for detection of sampling time, sampling longitude and latitude and height of sampling.Processor module 400 is located on the sampling pipe 100, and processor module 400 links to each other with detection components 300 so that processor module 400 is digital signal with the analog signal conversion of detection components 300 and described digital signal stored.Described charger links to each other with detection components 300 that with processor module 400 processor module 400 and detection components 300 are powered respectively.
Below with reference to the course of work of Fig. 1-Fig. 4 description according to the radioaerosol sampling apparatus 1 of the utility model embodiment.After radioaerosol sampling apparatus 1 is fixed on the aircraft, aircraft is in flight course, air-flow flows into sampling cavity 110 from the front end of sampling pipe 100, during air-flow process sampling component 200, airborne particulate is collected on the sampling component 200, the Temperature Humidity Sensor 310 of detection components 300 detects the temperature and humidity through the air of sampling component 200 simultaneously, baroceptor 320 detects the air pressure through the air of sampling component 200, flow sensor 330 detects the time that detects sampling through the flow velocity of the air of sampling component 200 and gps antenna 340, the longitude and latitude of sampling and the height of sampling, processor module 400 is converted into digital signal with detection components 300 detected simulating signals and described digital signal is stored.After collection is finished, can calculate the volume of sampled air according to the described digital signal that stores.Particularly, can be according to through the humiture of the air of sampling component 200, through the air pressure of the air of sampling component 200 and the volume of calculating sampled air through the velocimeter of the air of sampling component 200, calculate radioactive concentration in the pickup area according to the aerocolloidal amount of gathering on the volume of described sampled air and the sampling component 200 then.Wherein 340 detected sampling times of gps antenna, sampling longitude and latitude and height of sampling are used for further analyzing and testing result data of later stage.
According to the radioaerosol sampling apparatus 1 of the utility model embodiment by being fixed on the aircraft the airborne particulate of the passive collection of the aerodynamic force that produces in the time of can utilizing aircraft flight.Can guarantee the staff's that samples in the place where the accident occurred the unsuitable close place, ground of staff of safety, especially nuclear accident early period of origination like this.Namely can avoid in the nuclear emergency high radioactivity activity occasion to staff's injury.And utilize aircraft to sample, the efficient that not only can significantly improve sampling is significantly shortening the sampling time, and sampling is wider.
In addition, radioaerosol sampling apparatus 1 not only need not to arrange air pump, and processor module 400 volumes are less, power is lower, only need can finish aerial continuous sampling and the data storage that is not less than 20 hours by described charger, can break away from existing active radioaerosol sampling apparatus thus to the demand of large power supply, make the sampling position unrestricted.
In addition, the sampling cavity 110 of sampling pipe 100 can make sampling cavity 110 consistent with the flow direction of air-flow like this, thereby can increase the collection capacity of radioaerosol sampling apparatus 1 along the fore-and-aft direction location.And sampling pipe 100 is straight tube structure, and aerocolloidal loss can be reduced thus in no turning, thereby the collection capacity that can further increase radioaerosol sampling apparatus 1 is to realize the low-activity horizontal detection.Radioaerosol sampling apparatus 1 is by arranging gps antenna 340, can detect the time of sampling, the longitude and latitude of sampling and the height of sampling, namely can detect the parameter of sampling environment in real time, can make the data acquisition of radioaerosol sampling apparatus 1 more comprehensive like this, thereby the data support can be provided for the radioanalysis of subsequent sample.
Therefore, the radioaerosol sampling apparatus 1 according to the utility model embodiment has the advantages such as security that volume is little, the sampling time is short, sample area is wide, the sampling position is unrestricted, collection capacity is big, data acquisition is comprehensive, can improve staff in the incident area.
Fig. 1, Fig. 2 and Fig. 4 show the radioaerosol sampling apparatus 1 according to a specific embodiment of the utility model.As Fig. 1-shown in Figure 4, sampling pipe 100 can comprise the first sampling pipe, the 120 and second sampling pipe 130.Can have the sub-chamber of first sampling that connects the first sampling pipe 120 along fore-and-aft direction in the first sampling pipe 120.Can have the sub-chamber of second sampling that connects the second sampling pipe 130 along fore-and-aft direction in the second sampling pipe 130, the front end of the second sampling pipe 130 can link to each other with the rear end of the first sampling pipe 120 and the sub-chamber of described second sampling can be communicated with the sub-chamber of described first sampling, and namely the sub-chamber of described second sampling can constitute sampling cavity 110 jointly with the sub-chamber of described first sampling.During aircraft flight, air-flow is flowed out by the sub-chamber of described second sampling then earlier through the sub-chamber of described first sampling.Wherein sampling component 200 can be located between the first sampling pipe, the 120 and second sampling pipe 130.After sampling is finished, can take out sampling component 200 by the dismounting first sampling the pipe 120 and second sampling pipe 130, thereby can take a sample from sampling component 200 more easily like this.
Particularly, described first xsect of gathering sub-chamber can be 196 millimeters for circular and described first diameter of gathering the xsect in sub-chamber, can further improve aerocolloidal collection capacity thus, thereby the detection limit that can improve collected specimens is for use in the lower daily atmosphere environment supervision of radioactive concentration.Described first length of gathering sub-chamber can be 300 millimeters, so not only can in the sub-chamber of described first collection, form stable air-flow entity and think that sampling component 200 samplings provide pressure, and can reduce lateral airflow to described first influence of gathering sub-cavity pressure.
Described second xsect of gathering sub-chamber can be 196 millimeters for circular and described second diameter of gathering the xsect in sub-chamber, and described second length of gathering sub-chamber can be 450 millimeters.Thus not only can be so that installation place reason device assembly 400, make the air-flow through sampling component 200 have a stable velocity field, and the center of gravity that can make radioaerosol sampling apparatus 1 partially the back with the stability of structure of raising radioaerosol sampling apparatus 1.
Advantageously, sampling pipe 100 can be made by Polyvinylchloride, and the inside surface of sampling pipe 100 can be polished surface.Namely the first sampling pipe, the 120 and second sampling pipe 130 can be made by Polyvinylchloride, and the wall in the wall in the sub-chamber of described first sampling and the sub-chamber of described second sampling can polishing.Not only can under the enough situation of the rigidity that guarantees sampling pipe 100, alleviate the weight of sampling pipe 100 thus, and can reduce air resistance so that particulate stick on the sampling component 200.
Alternatively, as depicted in figs. 1 and 2, the first sampling pipe 120 can link to each other with rear flange 600 by forward flange 500 with the second sampling pipe 130, and sampling component 200 can be between forward flange 500 and rear flange 600.Particularly, forward flange 500 can link to each other by 4 bolts with rear flange 600.So not only the first sampling pipe, the 120 and second sampling pipe 130 can be coupled together securely and removably, and can more easily sampling component 200 be fixed on the sampling pipe 100.
Fig. 1, Fig. 2 and Fig. 4 show the radioaerosol sampling apparatus 1 according to an embodiment of the utility model.As Fig. 1, Fig. 2 and shown in Figure 4, can be provided with fixed mount 700 on the sampling pipe 100, processor module 400 and described charger can be located on the fixed mount 700.Can more easily processor module 400 and described charger be installed on the sampling pipe 100 thus, and can improve processor module 400 and the stability of described charger on sampling pipe 100.
Alternatively, as depicted in figs. 1 and 2, fixed mount 700 can comprise the fore-stock 710 of the front end that is located at the second sampling son pipe 130, the after-poppet 720 of rear end that is located at the second sampling pipe 130 and the horizontal stand 730 that links to each other with after-poppet 720 with fore-stock 710 respectively, and processor module 400 and described charger can be installed on the horizontal stand 730.In other words, the front end of horizontal stand 730 can link to each other with fore-stock 710 and the rear end of horizontal stand 730 can link to each other with after-poppet 720, and fore-stock 710, horizontal stand 730 and after-poppet 720 can link to each other by 4 threaded rods.Can further improve processor module 400 and the stability of described charger on sampling pipe 100 thus, and simple in structure, easy to manufacture, the installation and removal convenience of fixed mount 700.
Advantageously, as Fig. 1, Fig. 2 and shown in Figure 4, can be provided with protection box 731 on the horizontal stand 730, processor module 400 and described charger can be located in the protection box 731.Wherein protect the box 731 can be for a plurality of, a plurality of protection boxes 731 can be located at respectively on the various piece of processor module 400 with suitable with the structure of processor module 400.So not only can utilize protection box 731 protection processor modules 400 to damage to prevent processor module 400, and can make the outward appearance of radioaerosol sampling apparatus 1 more neat, attractive in appearance.
Fig. 2 shows the radioaerosol sampling apparatus 1 according to a concrete example of the utility model.As shown in Figure 2, sampling component 200 can comprise support 210 and filter member 220.Support 210 can be located between the first sampling pipe, the 120 and second sampling pipe 130.Filter member 220 can be located on the support 210 and filter member 220 can be used for gathering the airborne particulate of process between the first sampling pipe, the 120 and second sampling pipe 130.Particularly, support 210 and filter member 220 can be clamped between forward flange 500 and the rear flange 600, and filter member 220 can be strained and fixed on the first sampling pipe 120 to guarantee the planarization of filter member 220 by silk thread.By support 210 is set, can utilize support 210 to support filter member 220 breakage to prevent filter member 220 by gas shock.
Particularly, support 210 can be silk screen, and filter member 220 can be filtering membrane.More specifically, support 210 can be the steel silk screen, and filter member 220 can be 200 millimeters circular microporous glass fiber filter membrane for diameter.Not only can avoid support 210 to hinder air-flow flowing in sampling cavity 110 thus, and can further 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, can have the air flow chamber that connects air-flow conditioning part 230 along fore-and-aft direction in the air-flow conditioning part 230, the area of the xsect of described air flow chamber can reduce along the gas flow direction in the 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 the described air flow chamber.The front end of air-flow conditioning part 230 can link to each other with the rear surface of described support 210 and the sub-chamber of described second sampling can be stretched in the rear end of air-flow conditioning part 230, and Temperature Humidity Sensor 310, baroceptor 320 and flow sensor 330 can be located on the air-flow conditioning part 230 and flow sensor 330 can be positioned at the place, gas outlet (being the rear end that air-flow is nursed one's health part 230) of described air flow chamber.Because the flow velocity of the air-flow of process filter member 220 can significantly reduce, by air-flow conditioning part 230 is set, not only can form stable wind speed field in the rear end of described air flow chamber, and can improve flow velocity through the air-flow of filter member 220, thereby can make optimum detection scope that flow velocity through the air-flow of filter member 220 is positioned at flow sensor 330 with the precision of the testing result that improves flow sensor 330.
Particularly, the length of air-flow conditioning part 230 on fore-and-aft direction can be 160 millimeters, and wherein the length of straight portion on fore-and-aft 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 xsect of the area of the xsect of described air flow chamber front end and 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 air-flow of the flow velocity of the air-flow of described air flow chamber front end and described air flow chamber rear end is 40
2: 196
2, i.e. 1:24.
Advantageously, as shown in Figure 2, packing ring 240 before can being provided with between the first sampling pipe 120 and the filter member 220, it is packing ring 240 before being provided with between forward flange 500 and the filter member 220, middle washer 250 can be provided with between filter member 220 and the support 210, back packing ring 260 can be provided with between support 210 and the air-flow conditioning part 230.Preceding packing ring 240 can guarantee that forward flange 500 presses filter member 220, and can prevent filter member 220 from being pushed by forward flange 500 and breakage.Middle washer 250 can guarantee that support 210 presses filter member 220, and can prevent that filter member 220 from being pressed by support 210 and damage.Back packing ring 260 can make support 210 closely be connected with air-flow conditioning part 230.That is to say; by packing ring 240, middle washer 250 and back packing ring 260 before arranging; the structure that not only can make sampling component 200 is stable more, protection filter member 220 is not damaged, and can seal slit between the first sampling pipe, the 120 and second sampling pipe 130 to improve the sealing of radioaerosol sampling apparatus 1.
Fig. 3 shows the radioaerosol sampling apparatus 1 according to an embodiment of the utility model.As shown in Figure 3, processor module 400 can comprise the GPS modular converter 410 that links to each other with gps antenna 340, the humiture modular converter 420 that links to each other with Temperature Humidity Sensor 310, the air pressure modular converter 430 that links to each other with baroceptor 320, the flow velocity modular converter 440 that links to each other with flow sensor 330, storage module 450 and the processor 460 that links to each other with GPS modular converter 410, humiture modular converter 420, air pressure modular converter 430, flow velocity modular converter 440 and storage module 450 respectively.GPS modular converter 410 can be converted into the simulating signal of gps antenna 340 digital signal and transfer to processor 460, humiture modular converter 420 can be converted into the simulating signal of Temperature Humidity Sensor 310 digital signal and transfer to processor 460, air pressure modular converter 430 can be converted into the simulating signal of baroceptor 320 digital signal and transfer to processor 460, flow velocity modular converter 440 can be converted into the simulating signal of flow sensor 330 digital signal and transfer to processor 460, and 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 the storage module 450.Processor module 400 has advantages such as performance is comprehensive, simple in structure, power is little.
Wherein protect box 731 to be two, two protection boxes 731 can be turned up the soil at interval along fore-and-aft direction and are located on the horizontal stand 730, and the less protection box 731 that is positioned at the place ahead can be located at flow velocity modular converter 440 separately.
Advantageously, as shown in Figure 3, processor module 400 can also comprise wireless communication module 470, wireless communication module 470 can link to each other with processor 460 in case processor 460 by wireless communication module 470 with described digital data transmission to computing machine 2.Thus can be in real time the testing result of detection components 300 be transferred to ground, to provide timely data support to emergent decision-making.
Fig. 4 shows the radioaerosol sampling apparatus 1 according to a specific embodiment of the utility model.As shown in Figure 4, radioaerosol sampling apparatus 1 can also comprise and be suitable for being installed in described carry-on erecting frame that sampling pipe 100 can be located on the described erecting frame.By described mounting bracket is set, can more easily whole radioaerosol sampling apparatus 1 be installed on the suspension of bottom of described aircraft.That is to say, need not described aircraft is carried out structural modification, can reduce cost, improve the safety of described aircraft thus.
Particularly, as shown in Figure 4, described erecting frame can comprise base plate 810, turn up the soil at interval along fore-and-aft direction the back timber 830 that is located at a plurality of installing frames 820 on the base plate 810, links to each other with a plurality of installing frames 820 respectively be located at back timber 830 on and be suitable for the aircraft web member 840 that links to each other with described aircraft, can limit installing space between base plate 810, a plurality of installing frame 820 and the back timber 830, sampling pipe 100, sampling component 200, detection components 300, processor module 400 and described charger can be installed on the base plate 810 and can be positioned at described installing space.Base plate 810 can be welded by a plurality of the horizontal vertical intersections of bar, and aircraft web member 840 can link to each other with the suspension of described aircraft bottom for a plurality of and a plurality of aircraft web members 840.Can improve sampling pipe 100, sampling component 200, detection components 300, processor module 400 and the stability of described charger on described erecting frame 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 organizing to improve aerocolloidal collection capacity more, and back timber 830 can be for a plurality of to guarantee the stability of structure of described erecting frame.
Advantageously, described erecting frame can also comprise sampling pipe fixture 850, and sampling pipe 100 can be installed on the base plate 810 by sampling pipe fixture 850.Particularly, sampling pipe fixture 850 can be four, and fore-stock 710 can be installed in base plate 810 by two sampling pipe fixtures 850, and after-poppet 720 can be installed on the base plate 810 by two sampling pipe fixtures 850.Can further improve sampling pipe 100, sampling component 200, detection components 300, processor module 400 and the stability of described charger on described erecting frame thus.
More advantageously, sampling pipe fixture 850 can be welded on the base plate 810 and fore-stock 710 can link to each other with sampling pipe fixture 850 by bolt respectively with after-poppet 720, can make the dismounting of radioaerosol sampling apparatus 1 convenient in the stable fastness that guarantees radioaerosol sampling apparatus 1 like this.
In the description of this instructions, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (16)
1. a radioaerosol sampling apparatus is characterized in that, described radioaerosol sampling apparatus is suitable for being fixed on the aircraft, and described radioaerosol sampling apparatus comprises:
Sampling pipe has the sampling cavity that connects described sampling pipe along fore-and-aft direction in the described sampling pipe;
Sampling component, described sampling component are located at and are used for the gasoloid that acquisition stream is crossed the gas of described sampling cavity on the described sampling pipe;
Detection components, described detection components comprise and being located on the described sampling component for detection of through the Temperature Humidity Sensor of the temperature and humidity of the gas of described sampling component, for detection of through the baroceptor of the pressure of the gas of described sampling component, for detection of through the flow sensor of the flow velocity of the gas of described sampling component and be located on the described sampling pipe gps antenna for detection of sampling time, sampling longitude and latitude and height of sampling;
Processor module, described processor module are located on the described sampling pipe, and described processor module links to each other with described detection components so that described processor module is digital signal with the analog signal conversion of described detection components and described digital signal stored; With
Charger, described charger link to each other with described detection components that with described processor module described processor module and described detection components are powered respectively.
2. radioaerosol sampling apparatus according to claim 1 is characterized in that, described sampling pipe comprises:
The first sampling pipe has the sub-chamber of first sampling that connects the sub-pipe of described first sampling along fore-and-aft direction in the sub-pipe of described first sampling; With
The second sampling pipe, has the sub-chamber of second sampling that connects the sub-pipe of described second sampling along fore-and-aft direction in the sub-pipe of described second sampling, the front end of the sub-pipe of described second sampling links to each other with the rear end of the sub-pipe of described first sampling and the sub-chamber of described second sampling is communicated with the sub-chamber of described first sampling, and wherein said sampling component is located between the described first sampling pipe and the sub-pipe of described second sampling.
3. radioaerosol sampling apparatus according to claim 1 is characterized in that, described sampling pipe is made by Polyvinylchloride, and the inside surface of described sampling pipe is polished surface.
4. radioaerosol sampling apparatus according to claim 2 is characterized in that, the described first sampling pipe links to each other 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 the 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 that is located at the sub-pipe of described second sampling, the after-poppet of rear end that is located at the sub-pipe of described second sampling and the horizontal stand that links to each other with described after-poppet with described fore-stock respectively, and described processor module and described charger are installed on the described horizontal stand.
7. radioaerosol sampling apparatus according to claim 6 is characterized in that, described horizontal stand is provided with the protection box, and described processor module and described charger are located in the described protection box.
8. radioaerosol sampling apparatus according to claim 2 is characterized in that, described sampling component comprises:
Support, described is erected between the described first sampling pipe and the sub-pipe of described second sampling; With
Filter member, described filter member are located on the described support and at the described first sampling pipe and described second and sample between the sub-pipe.
9. radioaerosol sampling apparatus according to claim 8 is characterized in that, described support is silk screen, and described filter member 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, has the air flow chamber that connects described air-flow conditioning part along fore-and-aft direction in the described air-flow conditioning part, the area of the xsect of described air flow chamber reduces along the gas flow direction in the described air flow chamber, the front end of described air-flow conditioning part links to each other with the rear surface of described support and the sub-chamber of described second sampling, described Temperature Humidity Sensor are stretched in the rear end, described baroceptor and described flow sensor are located on the described air-flow conditioning part and described flow sensor is positioned at the place, gas outlet of described air flow chamber.
11. radioaerosol sampling apparatus according to claim 10, it is characterized in that, be provided with preceding packing ring between the described first sampling pipe and the described filter member, be provided with middle washer between described filter member and the described support, be provided with the back packing ring between described support and the described air-flow conditioning part.
12. radioaerosol sampling apparatus according to claim 1, it is characterized in that described processor module comprises the GPS modular converter that links to each other with described gps antenna, the humiture modular converter that links to each other with described Temperature Humidity Sensor, the air pressure modular converter that links to each other with described baroceptor, the flow velocity modular converter that links to each other with described flow sensor, storage module and the processor that links to each other 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 apparatus according to claim 12, it is characterized in that, described processor module also comprises wireless communication module, described wireless communication module link to each other with described processor in case described processor by described wireless communication module with described digital data transmission to computing machine.
14. radioaerosol sampling apparatus according to claim 1 is characterized in that, also comprises being suitable for being installed in described carry-on erecting frame, described sampling pipe is located on the described erecting frame.
15. radioaerosol sampling apparatus according to claim 14, it is characterized in that, described erecting frame comprises base plate, turn up the soil at interval along fore-and-aft direction and to be located at a plurality of installing frames on the described base plate, respectively the back timber that links to each other with a plurality of described installing frames be located at described back timber on and be suitable for the aircraft web member that links to each other with described aircraft, described base plate, limit installing space between a plurality of described installing frames and the described back timber, described sampling pipe, described sampling component, described detection components, described processor module and described charger are installed on the described base plate and are positioned at described installing space.
16. radioaerosol sampling apparatus according to claim 15 is characterized in that described erecting frame also comprises the sampling pipe fixture, described sampling pipe is installed on the described base plate by described sampling pipe fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006725 CN203069420U (en) | 2013-01-07 | 2013-01-07 | Radioactive aerosol sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006725 CN203069420U (en) | 2013-01-07 | 2013-01-07 | Radioactive aerosol sampling device |
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| CN203069420U true CN203069420U (en) | 2013-07-17 |
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| CN 201320006725 Expired - Lifetime CN203069420U (en) | 2013-01-07 | 2013-01-07 | Radioactive aerosol sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115802A (en) * | 2013-01-07 | 2013-05-22 | 清华大学 | Radioactive aerosol sampling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115802A (en) * | 2013-01-07 | 2013-05-22 | 清华大学 | Radioactive aerosol sampling device |
| CN103115802B (en) * | 2013-01-07 | 2015-05-20 | 清华大学 | Radioactive aerosol sampling device |
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