Utility model content
The purpose of this utility model is to provide that a kind of automaticity is higher, the automatic measurement time is longer and measurement is accurate
The higher radiation environment sampling of aerosol analytical equipment of exactness.
The utility model is achieved in that a kind of radiation environment sampling of aerosol analytical equipment, the radiation environment gas
Colloidal sol sampling analysis equipment includes being provided with filter paper volume in platform frame, the platform frame, the filter paper trend of the filter paper volume
Downstream be provided with the radiation environment aerosol sampling apparatus that air sampling is carried out to radiation environment, the radiation environment aerosol adopts
The lower section of sampling device is provided with vavuum pump;
The radiation environment aerosol sampling apparatus rear end moves towards provided with being cut to filter paper along filter paper, grasping movement
Filter paper operation device, the lower section of the filter paper operation device is provided with automatic shutter Low background vitriol chamber, the automatic shutter Low background
Vitriol chamber is arranged in the platform frame;
The radiation environment sampling of aerosol analytical equipment also includes the filter paper box being engaged with the filter paper operation device
Fetching device, the other end of the filter paper box fetching device is provided with rotation filter paper box storehouse, and the rotation filter paper box storehouse includes some
Individual filter paper box folder, each filter paper box folder internal memory is placed with several filter paper boxs;
The filter paper that the radiation environment sampling of aerosol analytical equipment also includes driving the filter paper to perform paper feed action drives
Dynamic device.
As an improvement scheme, the radiation environment aerosol sampling apparatus include the first cover body for being oppositely arranged and
Second cover body, the first cover body upper end be provided with air inlet, second cover body lower end be provided with suction opeing, first cover body and
Paper feed space is provided between second cover body;
Screen pack orifice plate is provided between first cover body and second cover body;
The radiation environment aerosol sampling apparatus also includes being used to control what first cover body and the second cover body were opened and closed
On-off action executing agency, during the first cover body and the second cover body closure, first cover body and the second cover body form closed
Sampling cavity;
Push rod, first cover of the on-off action executing agency including the first electric cylinders and respectively with first electric cylinders
The on-off action support of body connection.
As an improvement scheme, the on-off action support include U-shaped frame, articulated stand and jointed shaft;
The U-shaped frame is docked by three risers and formed, and first electric cylinders are fixed in the U-shaped frame, first electricity
The push rod of cylinder is fixed on one end of the articulated stand, and the other end of the articulated stand is connected with first cover body;
The jointed shaft two ends are connected with two risers being parallel to each other respectively, and the articulated stand is fixed by jointed shaft
In the U-shaped frame;
Wherein, the articulated stand includes two articulated jibs be arrangeding in parallel, and two described articulated jib one end connect by one
Extension bar is connected, and the push rod of first electric cylinders is fixed in the connecting rod;
The other end of two articulated jibs is respectively equipped with drag hook, and first cover body is provided with to be adapted with the drag hook
Support shaft.
As an improvement scheme, first cover body is respectively equipped with least one close to the side of riser being parallel to each other
Individual chute;
The slide rail being adapted with the chute is respectively equipped with two risers being parallel to each other.
As an improvement scheme, the radiation environment aerosol sampling apparatus also include resetting-mechanism, the reset
Mechanism includes being respectively equipped with compression spring on restoring board and the lead positioned at the restoring board two ends, the lead;
The restoring board is fixedly mounted on the position of the air inlet, and the restoring board is from the riser being parallel to each other
One extends to another, and the restoring board two ends are respectively equipped with mounting hole;
The lead is fixed on the upper side of the riser after passing through the pilot hole.
As an improvement scheme, the filter paper drive device includes at least one set of driven roller, and the filter paper is through anti-
To between two driven rollers of rotation.
As an improvement scheme, the filter paper operation device include three axle robert, the three axle robert include x
To travel mechanism, y to travel mechanism and Z-direction travel mechanism, wherein, the lower end of the Z-direction travel mechanism is provided with filter paper cutting
Grabbing device.
As an improvement scheme, filter paper cutting grabbing device includes connecting plate and support frame, the connection
Linked together between plate and the support frame by several screw rods, the screw rod passes through the through hole on the connecting plate
After be fixed in the support frame, the screw rod, which is located on region between the connecting plate and the support frame, to be set with
Spring in compressive state;
It is provided with the region that the support frame is surrounded in cavity, the cavity and filter paper sucker is installed, the filter paper is inhaled
Disk is provided with inlet scoop, and the inlet scoop is connected with vavuum pump after passing through the top plate of the support frame by flexible pipe;
Grabbed provided with filter paper cutting blade and filter paper box the outer ledge position that the support frame is located at the filter paper sucker
Take mechanism.
As an improvement scheme, the rotation filter paper box storehouse include motor and at least one rotary rail;
Provided with two pivot points for being used to drive the rotary rail rotation, two in the region that the rotary rail is surrounded
The drive rotary rail is respectively provided with the individual pivot point and rotates first rotating shaft and the second rotating shaft, described first turn
The output end of axle and the motor assembly is connected;
Several described filter paper box folders are detachably arranged on the rotary rail, are provided with each filter paper box folder
Several filter paper boxs.
As an improvement scheme, the filter paper box fetching device include filter paper box lifting device, filter paper box pusher
Structure and filter paper box pick-and-place manipulator;
The filter paper box delivery device is arranged on the lower section of filter paper box folder, and by the filter paper box press from both sides in single filter
Carton is pushed on the working position of the filter paper box lifting device;
The position of the filter paper box lifting device from the filter paper box delivery device extends to the filter paper box and picks and places machinery
The position of hand, and the filter paper box pick-and-place manipulator is arrived into the empty filter paper box lifting that the filter paper box delivery device is pushed to
On one of working position;
The filter paper box that the filter paper box lifting device is sent to is pushed to another working position by the filter paper box delivery device
On, loading or unloading operation is carried out to the filter paper box for the filter paper operation device.
In the utility model embodiment, radiation environment sampling of aerosol analytical equipment includes platform frame and filter paper drives
Filter paper volume is installed, filter paper volume downstream is provided with radiation environment aerosol sampling apparatus in device, platform frame;Radiation environment gas is molten
Glue sampling apparatus rear end is provided with filter paper operation device, and the lower section of filter paper operation device is provided with automatic shutter Low background vitriol chamber;Filter paper
Box fetching device one end is engaged with filter paper operation device, and the other end is connected with rotation filter paper box storehouse, and rotation filter paper box storehouse includes
Several filter paper boxs are pressed from both sides, and each filter paper box folder internal memory is placed with several filter paper boxs, so as to realize to aerosol in radiation environment
Sampling and analysis, automaticity are high, and include the filter paper box used for a long time in rotation filter paper box storehouse, reduce people
The participation of power, and automatic shutter Low background vitriol chamber is used, the detection and analysis data to aerosol are more accurate.
Because aerosol sampling apparatus includes the first cover body and the second cover body that are oppositely arranged in radiation environment, a cover body and
Paper feed space is provided between second cover body;Screen pack orifice plate is provided between first cover body and the second cover body;Gas is molten in radiation environment
Glue sampling apparatus also includes the on-off action executing agency for being used to control the first cover body and the opening and closing of the second cover body, the first cover body and the
When two cover bodies are closed, the first cover body and the second cover body formation enclosed sampling cavity, so as to realize to aerosol in radiation environment
Collection, it is gathered, and automation conclusion of the business is high, and collecting efficiency is higher.
Because filter paper cutting grabbing device includes connecting plate and support frame, by some between connecting plate and support frame
Individual screw rod links together, screw rod through after the through hole on connecting plate it is fixed on the support frame, screw rod be located at connecting plate with
The spring in compressive state is set with region between support frame;Cavity is provided with the region that support frame is surrounded, it is empty
Intracavitary is provided with filter paper sucker, and filter paper sucker is provided with inlet scoop, and inlet scoop is connected after passing through the top plate of support frame by flexible pipe
It is connected to vavuum pump;The outer ledge position that support frame is located at filter paper sucker is provided with filter paper cutting blade and filter paper box gripper
Structure, so as to realize the cutting grasping manipulation to filter paper, while also realize in the antitheft filter paper box of the filter paper that will be grabbed, and by filter paper
Box is put into automatic shutter Low background vitriol chamber and detected, compact conformation, and cutting, the accuracy rate of grasping movement and efficiency are higher.
Because rotation filter paper box storehouse includes motor assembly, several filter paper boxs folder and at least one rotary rail;Rotation
Provided with two pivot points for being used to drive rotary rail rotation in the region that transduction rail is surrounded, set respectively on two pivot points
There are the first rotating shaft for driving rotary rail rotation and the second rotating shaft, first rotating shaft and the output end of motor assembly are driven
Connection;Several filter paper boxs folder is detachably arranged on rotary rail, and several filter paper boxs are provided with each filter paper box folder, from
And be embodied as radiation environment aerosol detection and analysis equipment and filter paper box is provided, and automaticity is high, is set in filter paper box folder
Several filter paper boxs, so as to improve service life, improve the detection efficiency of whole radiation environment aerosol.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
Fig. 1 and Fig. 4 respectively illustrate the structural representation of the utility model offer, for convenience of description, are only given in figure
The part related to the utility model is gone out.
The radiation environment sampling of aerosol analytical equipment includes being provided with filter paper volume 2 in platform frame 1, platform frame 1,
The downstream of the filter paper trend of filter paper volume 2 is provided with the radiation environment aerosol sampling apparatus 3 that air sampling is carried out to radiation environment, spoke
The lower section for penetrating environmental aerosols sampling apparatus 3 is provided with vavuum pump 4;
The rear end of radiation environment aerosol sampling apparatus 3 is moved towards provided with being cut to filter paper along filter paper, the filter of grasping movement
Paper operation device 5, the lower section of filter paper operation device 5 is provided with automatic shutter Low background vitriol chamber 6, and automatic shutter Low background vitriol chamber 6 is pacified
In platform frame 1;
Radiation environment sampling of aerosol analytical equipment also includes the filter paper box fetching device being engaged with filter paper operation device 5
7, the other end of filter paper box fetching device 7 is provided with rotation filter paper box storehouse 8, and rotation filter paper box storehouse 8 includes several filter paper boxs folder 9,
Each filter paper box presss from both sides 9 internal memories and is placed with several filter paper boxs 10;
Radiation environment sampling of aerosol analytical equipment also includes the filter paper drive device that driving filter paper performs paper feed action.
Wherein, with reference to shown in Fig. 5 and Fig. 6, aerosol sampling apparatus includes the first cover body being oppositely arranged in radiation environment
11 and second cover body 12, the upper end of the first cover body 11 is provided with air inlet 13, and the lower end of the second cover body 12 is provided with suction opeing 14, the first cover body
11 and second are provided with paper feed space 15 between cover body 12, wherein, the suction opeing 14 connection vavuum pump 4;
Screen pack orifice plate 16 is provided between first cover body 11 and the second cover body 12;
Aerosol sampling apparatus is also included for opening that the first cover body 11 of control and the second cover body 12 are opened and closed in radiation environment
Action actuating mechanism is closed, wherein, when the first cover body 11 and the second cover body 12 closure, the first cover body 11 and the second cover body 12 form close
Close sampling cavity.
Wherein, aerosol harvester mainly includes the first cover body 11, the second cover body 12, filter mesh in the radiation environment
Plate 16 and the on-off action executing agency for controlling the cover body 12 of the first cover body 11 and second to be opened and closed, wherein:
On-off action executing agency is used to control the first cover body 11 to complete lifting action, so as to complete to close with the second cover body 12
Closing operation, during closure, i.e. the first cover body 11 and the second cover body 12 formation enclosed sampling cavity, during unlatching, in paper feed state, its
In, the on-off action executing agency can use a variety of implementations, following to provide one of which:
Push rod, first cover body 11 of the on-off action executing agency including the first electric cylinders 17 and respectively with the first electric cylinders 17 connect
The on-off action support connect;
With reference to shown in Fig. 5 and Fig. 6, on-off action support includes U-shaped frame 18, articulated stand 19 and jointed shaft 20;
U-shaped frame 18 is docked by three risers 21 and formed, i.e., three risers 21 are connected two-by-two, a side opening;Electric cylinders are fixed on U
On type frame 18, the push rod of the first electric cylinders 17 is fixed on one end of articulated stand 19, the other end of articulated stand 19 and the first cover body
11 connections;
The two ends of jointed shaft 20 are connected with two risers 21 being parallel to each other respectively, and articulated stand 19 is fixed by jointed shaft 20
In U-shaped frame 18;
In this embodiment, articulated stand 19 includes two articulated jibs 22 be arrangeding in parallel, and two one end of articulated jib 22 lead to
Cross a connecting rod 23 to connect, the push rod of electric cylinders is fixed in connecting rod 23;
The other end of two articulated jibs 22 is respectively equipped with drag hook 24, and the first cover body 11 is provided with the branch being adapted with drag hook 24
Support axle 25.
In this embodiment, the first cover body 11 is respectively equipped with least one cunning close to the side for the riser 21 being parallel to each other
Groove;
The slide rail 26 being adapted with chute is respectively equipped with two risers 21 being parallel to each other;
Guiding is played a part of in the setting of the chute and slide rail, the lifting to the first cover body 11.
As shown in Figure 5 and Figure 6, aerosol sampling apparatus also includes resetting-mechanism in radiation environment, and resetting-mechanism includes multiple
The first compression spring 29 is respectively equipped with position plate 27 and the lead 28 positioned at the two ends of restoring board 27, lead 28;
Restoring board 27 is fixedly mounted on the position of air inlet 13, and the plate of restoring board 27 is from one in the riser 21 being parallel to each other
Individual to extend to another, the two ends of restoring board 27 are respectively equipped with mounting hole;
Lead 28 is fixed on the upper side of riser 21 after passing through pilot hole.
Wherein, as shown in figure 5, the bolt connection of 27 and first cover body of restoring board 11, naturally it is also possible to use other fixation sides
Formula.
Wherein, above-mentioned support shaft 25 can be fixed on support base 30, and the support base 30 is arranged on restoring board 27.
In the utility model, the course of work of aerosol sampling apparatus is in the radiation environment:
(1) when filter paper is reached in paper feed space 15, control electric cylinders work, electric cylinders shrink push rod, and push rod drives connecting rod
23 move up, so that drag hook 24 departs from support shaft 25;
(2) in the presence of the Action of Gravity Field and the first compression spring 29 of the first cover body 11, the first cover body 11 floods sliding
Groove is slided to the direction of the second cover body 12 (lower section), is fastened on the second cover body 12, now, the first cover body 11 and the second cover body 12 are detained
Conjunction forms closed cavity;
(3) now, the vavuum pump 4 being connected with suction opeing 14 is started working, and air is taken out since suction opeing 14, in suction opeing
Convection current is formed between 14 and air inlet 13, then air is in convection process, through the filter paper for being attached to screen pack orifice plate 16, so that
Aerosol is sticked on filter paper;
(3) when the sampling time of setting reaches, electric cylinders are started working again, promote push rod to move down, and push rod drives connection
Bar 23 is moved down, and drag hook 24 is combined together with support shaft 25;
(4) drag hook 24 drives support shaft 25 to move up, and support shaft 25 drives restoring board, so as to drive the edge of the first cover body 11
Chute is moved up, and the first cover body 11 and the second cover body 12 is in opening-wide state, now, filter paper is moved along paper feed space 15,
Carry out follow-up detection operation.
As depicted in figs. 1 and 2, filter paper drive device includes at least one set of driven roller 31, and filter paper passes through counter-rotational two
Between individual driven roller 31, what is provided in figure is two groups of driven rollers 31, wherein:
When setting one group of driven roller 31, the position that the driven roller 31 is set is the position of right side driven roller in Fig. 2;
If setting two groups of driven rollers 31, set-up mode as depicted in figs. 1 and 2;
In this embodiment, filter paper roll up 2 paper delivery direction on be provided with guide roller 32, for filter paper move towards lead
To will not be repeated here.
For having completed the filter paper of sampling of aerosol, it is necessary to perform cutting to filter paper, then the filter completed will cut
Paper crawl is put into filter paper box, is put into after then the filter paper box for piling filter paper is captured again in automatic shutter Low background vitriol chamber 6, then
The action for again taking out filter paper box after the completion of measurement analysis, these actions can be completed using multiple executing agencies, in the implementation
In example, it can be completed using filter paper operation device 5, i.e.,:
As shown in figure 1, filter paper operation device 5 completes to include three axle robert, three axle robert includes x to travel mechanism
33rd, y is to travel mechanism 34 and Z-direction travel mechanism 35, wherein, the lower end of Z-direction travel mechanism 35 is provided with filter paper cutting crawl dress
Put;
Wherein, as shown in Figure 7 and Figure 8, filter paper cutting grabbing device includes connecting plate 36 and support frame 37, connecting plate 36
Linked together between support frame 37 by several screw rods 38, screw rod 38 passes through fixed after the through hole on connecting plate 36
In support frame 37, screw rod 38, which is located on the region between connecting plate 36 and support frame 37, to be set with compressive state
Second compression spring 39;
It is provided with the region that support frame 37 is surrounded in cavity 40, cavity 40 and filter paper sucker 41, filter paper sucker 41 is installed
Inlet scoop 42 is provided with, inlet scoop 42 is connected with vavuum pump 4 after passing through the top plate of support frame 37 by flexible pipe, wherein, the branch
Support frame frame 37 is square box;
The outer ledge position that support frame 37 is located at filter paper sucker 41 is captured provided with filter paper cutting blade 43 and filter paper box
Mechanism 44, wherein the filter paper cutting blade 43 and filter paper box grasping mechanism 44 are the knot in subsequent installation to the support frame 37
Structure.
Wherein, above-mentioned filter paper cutting blade 43 is L-type blade, be will not be repeated here.
In the utility model, filter paper box grasping mechanism 44 is used to get hold of the filter paper box for piling filter paper, is put into automatic
It is opened and closed in Low background vitriol chamber 6, and will detects that the filter paper box completed takes out from the Low background vitriol chamber and is put into corresponding working position
On wherein, the filter paper box grasping mechanism 44 include the second electric cylinders 45 and controlled by the second electric cylinders 45 towards or away from motion first
The crawl arm 47 of crawl arm 46 and second, i.e., when grasping movement is performed, the first crawl arm 46 and the are controlled by the second electric cylinders 45
The move toward one another of two crawl arm 47, clamps filter paper box, completes grasping movement, when putting down filter paper box, then the second electric cylinders 45 control the
One crawl arm 46 and the second motion opposite to each other of crawl arm 47, unclamp filter paper box.
In this embodiment, the second electric cylinders 45 are fixedly mounted in support frame 37, and the fixed form can use bolt
The mode of connection.
As shown in figure 12, the structure of filter paper box is rectangular parallelepiped structure, and it is provided with the groove 50 of indent on side board, relatively
Answer, the elongator matched with the groove 50 on filter paper box box body is respectively equipped with the first crawl arm 46 and the second crawl arm 47
Structure 48, so that the first crawl arm 46 and the second crawl arm 47 can pick up filter paper box;
Other modes can certainly be used, be will not be repeated here.
In the utility model, the quantity of above-mentioned screw rod 38 is four, is respectively distributed to four corners of connecting plate 36, makes
Whole grasping movement stablizes firm.
In the utility model, the second compression spring 39 between connecting plate 36 and support frame 37 is in compressive state,
Side of the connecting plate 36 away from support frame 37 connects the push rod 51 of the 3rd electric cylinders, and connection is pushed in the push rod 51 of the 3rd electric cylinders
Plate 36 is moved down, before support frame 37 is not in contact with object, and displacement is not produced between the connecting plate 36 and support frame 37, its
In, the 3rd electric cylinders are arranged in Z-direction travel mechanism 35;
When the continuous decrease of support frame 37 touches screen pack orifice plate 16, connecting plate 36 continues to exert a force and the second compression bullet
Spring 39, the second compression spring 39 produces further pressure to support frame 37, and support frame 37 gives filter paper cutting blade 43 1
Pressure, filter paper cutting blade 43 cuts down filter paper, completes cutting action;
When completing cutting action, the 3rd electric cylinders pull push rod retracting action, control connecting plate 36 and support frame 37 times
Position, will not be repeated here.
In the utility model embodiment, as shown in Figures 9 to 11, rotation filter paper box storehouse 8 include motor assembly 52,
Several filter paper boxs folder 9 and at least one rotary rail 54;
Provided with two pivot points for being used to drive the rotation of rotary rail 54, two rotations in the region that rotary rail 54 is surrounded
Turn to be respectively provided with the rotating shaft 56 of first rotating shaft 55 and second that driving rotary rail 54 is rotated on fulcrum, first rotating shaft 55 is with driving
The output end drive connection of dynamic motor assembly 52;
Several filter paper boxs folder 9 is detachably arranged on rotary rail 54, provided with several filters in each filter paper box folder 9
Carton.
Wherein, above-mentioned several filter paper boxs folder 9 is arranged on the rotary rail 54, and the driving rotation of motor assembly 52 is led
Rail 54 rotates, and is rotated so as to drive filter paper box to press from both sides 9, filter paper box is provided for radiation environment detection and analysis equipment, while will detect
Into filter paper box from new be put into filter paper box folder 9.
In this embodiment, first gear 58, two first gears are respectively equipped with the rotating shaft 56 of first rotating shaft 55 and second
The first chain 59, the first chain 59 and the synchronous axial system of rotary rail 54 are rotatablely equipped with 58, the setting of first chain 59 makes
The rotation of whole rotary rail 54 is more stablized.
Rotation filter paper box storehouse 8 also includes the supporting support for being used to support fixed drive motor assembly 52 and rotary rail 54
The setting of 60, the i.e. supporting support 60 is there is provided rotary rail 54 and the installation foundation of motor assembly 52.
As shown in Figures 9 to 11, filter paper box presss from both sides 9 for rectangular parallelepiped structure, and the shape of its Aspect Ratio and filter paper box is adapted,
Wherein, the structure of filter paper box is as shown in figure 12;
And, several holes 61 are respectively equipped with the side plate of filter paper box folder 9, the whole filter paper box that reduces in the hole 61 presss from both sides 9 matter
Amount, so as to reduce the power demand to motor assembly 52, reduces cost.
In the utility model, filter paper box folder 9 is detachably arranged on rotary rail 54, and its mounting means can basis
It is configured the need for reality, fix such as common bolt, be hinged or clamping mode, it is following to provide one kind therein:
Rotary rail 54 is provided with neck, and filter paper box folder 9 is provided with the snap fit being adapted with neck.
In the utility model, rotary rail 54 is two, as shown in Figure 9 and Figure 10;It is corresponding, first rotating shaft 55 and
Two rotating shafts 56, which are respectively equipped with second gear 62, two second gears 62, is rotatablely equipped with the second chain 63, the second chain 63 with
The synchronous axial system of Article 2 rotary rail 54, wherein, the setting of second chain 63 also rises to the rotation that whole rotation filter paper box presss from both sides 9
To stabilization.
In this embodiment, the second rotating shaft 56 is two sections, respectively with first rotary rail 54, Article 2 rotary rail 54
It is corresponding.
In the utility model, as shown in figure 3, rotation filter paper box storehouse 8 also includes filter paper box fetching device 7;
Wherein, filter paper box fetching device 7 is picked and placeed including filter paper box lifting device 57, filter paper box delivery device 53 and filter paper box
Manipulator 49;
Filter paper box delivery device 53 is arranged on the lower section of filter paper box folder 9, and the single filter paper box in filter paper box folder 9 is pushed
Onto the working position of filter paper box lifting device 57;
The position of filter paper box lifting device 57 from filter paper box delivery device 53 extends to the position of filter paper box pick-and-place manipulator 49
Put, and the empty filter paper box that filter paper box delivery device 53 is pushed to is lifted to the one of work for arriving filter paper box pick-and-place manipulator 49
Make on position;
The filter paper box that filter paper box lifting device 57 is sent to is pushed on another working position by filter paper box delivery device 53, is used
Loading or unloading operation is carried out to filter paper box in filter paper operation device 5.
In the utility model embodiment, radiation environment sampling of aerosol analytical equipment includes platform frame 1 and filter paper drives
Filter paper volume 2 is installed, filter paper rolls up 2 downstreams and is provided with radiation environment aerosol sampling apparatus 3 in dynamic device, platform frame 1;Radiate ring
The rear end of border aerosol sampling apparatus 3 is provided with filter paper operation device 5, and the lower section of filter paper operation device 5 is provided with automatic shutter Low background
Vitriol chamber 6;The one end of filter paper box fetching device 7 is engaged with filter paper operation device 5, and the other end is connected with rotation filter paper box storehouse 8, rotation
Filter paper box storehouse 8 includes several filter paper boxs folder 9, and each filter paper box presss from both sides 9 internal memories and is placed with several filter paper boxs, so as to realize to radiation
Include in the sampling and analysis of aerosol in environment, automaticity height, and rotation filter paper box storehouse 8 and use for a long time
Filter paper box, reduce the participation of manpower, and using automatic shutter Low background vitriol chamber 6, to the detection and analysis data of aerosol compared with
To be accurate.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.