CN209148376U - A kind of particle sampling device and β ray method atmosphere particle monitoring equipment - Google Patents
A kind of particle sampling device and β ray method atmosphere particle monitoring equipment Download PDFInfo
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- CN209148376U CN209148376U CN201821705639.XU CN201821705639U CN209148376U CN 209148376 U CN209148376 U CN 209148376U CN 201821705639 U CN201821705639 U CN 201821705639U CN 209148376 U CN209148376 U CN 209148376U
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Abstract
The utility model relates to a kind of particle sampling device and β ray method atmosphere particle monitoring equipment, the difference is that it includes substrate, substrate is vertically arranged particle sampling device；It is fixed on the first line of a couplet block of substrate front side, the air inlet port through its lower end surface is offered on first line of a couplet block；It is fixed on the second line of a couplet block of substrate front side, the outlet duct through end face thereon is offered on second line of a couplet block；The guide part that upper and lower ends are connect with first line of a couplet block, second line of a couplet block respectively；Sealing block between first line of a couplet block and second line of a couplet block；Through the air delivering pipeline of sealing block, upper end and the outlet duct of air delivering pipeline are correspondingly arranged, and the lower end of air delivering pipeline is stretched out outside sealing block and fixed with outlet hole link；Several spring parts that upper and lower ends are connect with sealing block, second line of a couplet block respectively；And the driving mechanism set on substrate back and for driving sealing block to move up and down.The positioning of the utility model filter paper is more accurate, improves the precision of monitoring data.
Description
Technical field
The utility model relates to a kind of particle sampling device and β ray method atmosphere particle monitoring equipment.
Background technique
Autumn and winter, haze weather happen occasionally in the key cities group in China, duration length, influence area model
Wide, pollution level depth is enclosed, biggish harm is caused to human society.Main component of the Atmospheric Grains as gray haze be
The focal monitoring item of atmosphere quality.Atmospheric particulates are broadly divided into PM by particle size10And PM2.5, generally use β and penetrate
Line absorption technology monitors automatically.Its principle is, after the atmosphere of constant flow rate enters sampling system, is retained by filter paper, is rich
Collection, when β ray is by the filter paper that is enriched with particulate matter, Beta-ray intensity can decay, and particulate matter can be calculated by attenuation
Concentration.Usual β ray method Atmospheric particulates automonitor by induction part, collect sampling section, detection part and other are auxiliary
Equipment is helped to form.
Flow and temperature when β ray method Atmospheric particulates automonitor is sampled, first by adjusting control sample gas
After degree, it is passed into gas circuit from outer tube, then collected by filter paper, the last collected particulate matter of filter paper is examined by detector
Out；The position of filter paper, state affect testing result in the process.The paper feed mistake of replacement filter paper is carried out in resampling at the same time
Cheng Zhong, it is also desirable to be accurately controlled, position filter paper.
Particle sampling device operates in entire monitoring process in mobilism, can bring many uncontrollable factors,
Failure rate increases under monitor long-play, and data result error becomes larger, and reduces the confidence level of instrument, for example, for a long time
After work, particle sampling device is difficult to be accurately positioned filter paper, causes particle sampling result inaccurate.
Therefore, it is necessary to new devices and equipment to solve defect existing in the prior art.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts, provides a kind of particle sampling device, and filter paper is fixed
Position is more accurate, improves the precision of monitoring data.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of particle sampling device is matched with filter paper
It closes and uses, the difference is that:
It includes substrate, and the substrate is vertically arranged；
It is fixed on the first line of a couplet block of the substrate front side, the air inlet port through its lower end surface is offered on the first line of a couplet block；
It is fixed on the second line of a couplet block of the substrate front side, the second line of a couplet block is located at the lower section of the first line of a couplet block, the second line of a couplet block
It is arranged with the first line of a couplet block gap, the outlet duct through end face thereon is offered on the second line of a couplet block；
The guide part that upper and lower ends are connect with the first line of a couplet block, second line of a couplet block respectively；
Sealing block between the first line of a couplet block and second line of a couplet block, the sealing block can be moved on the guide part to press
Tight filter paper is moved down to unclamp filter paper；
Through the air delivering pipeline of the sealing block, the upper end of the air delivering pipeline is correspondingly arranged with the outlet duct, institute
The lower end for stating air delivering pipeline is stretched out outside the sealing block and is fixed with the outlet hole link；
Linear bearing in the sealing block, the linear bearing are set on the guide part；
Several spring parts that upper and lower ends are connect with the sealing block, second line of a couplet block respectively, the spring part is along described close
Envelope block edge is uniformly distributed；And
Driving mechanism set on the substrate back and for driving the sealing block to move up and down.
It further include radiator beta-ray on the second line of a couplet block and on the first line of a couplet block by above technical scheme
Detector, the detector are correspondingly arranged with the radiator beta-ray.
By above technical scheme, the air delivering pipeline includes the gas transmission hole portion being opened on the sealing block, the gas transmission
Hole portion runs through the sealing block, and the air delivering pipeline further includes gas transmission pipe portion, one end of the gas transmission pipe portion and the transfer port
Portion's connection, the other end are connect with the outlet duct, and the gas transmission pipe portion is scalable；Or, the air delivering pipeline is scalable, it is described
The relief hole passed through suitable for the air delivering pipeline is offered on sealing block, the upper end of the air delivering pipeline is connected with the first sealing
Circle, first sealing ring are fixed on the upper end of the relief hole.
By above technical scheme, the first line of a couplet block, second line of a couplet block, sealing block are rectangular parallelepiped structure, and the second line of a couplet block has
Four sides, there are four the guide parts and is arranged close to four side endpoints of the second line of a couplet block.
By above technical scheme, the first line of a couplet block, second line of a couplet block, sealing block are rectangular parallelepiped structure, and the second line of a couplet block has
Four sides, the spring part are arranged there are four and respectively close to the midpoint of four sides of the second line of a couplet block.
Compare the prior art, the beneficial features of the utility model are as follows: the particle sampling device, sealing block can move up and down
It can be accurately positioned filter paper, first line of a couplet block and second line of a couplet block are fixed with substrate, subtracted with clamp or release filter paper convenient for sampling and paper feed
It is driven bring measurement error less, improves the precision of monitoring data；The lower end of sealing block is evenly distributed with several springs
Part can make the upper end of sealing block remain horizontal and sufficiently clamp filter paper, and filter paper positioning is more accurate, improves particle sampling
As a result accuracy.
In order to solve the above technical problems, the utility model additionally provides a kind of β ray method atmosphere particle monitoring equipment,
The difference is that: it includes air inlet pipeline, outlet pipe, the paper advance mechanism for being used for transmission the filter paper and above-mentioned particulate matter
Sampling apparatus, the air inlet pipeline are connect with the air inlet port, and the outlet pipe is connect with the outlet duct, it is described walk
Mechanism of paper includes paper feeding roller, the first transmission wheel, the second transmission wheel and the paper collecting roller set on the substrate front side, the filter paper disk
It is wound on the paper feeding roller, and successively passes through the first transmission wheel, particle sampling device, the second transmission wheel, then by collection circulation
It receives.
By above technical scheme, the paper feeding roller and the first transmission wheel are located at the side of the substrate, the paper collecting roller and
Second transmission wheel is located at the other side of the substrate, and the highest point of the first transmission wheel outer rim and the second transmission wheel outer rim are most
High point is located in same level, and the horizontal plane is located at the lower end of the first line of a couplet block and sets close to the lower end surface of the first line of a couplet block
It sets, the paper feeding roller and paper collecting roller are divided into the lower end two sides of the second line of a couplet block.
By above technical scheme, first transmission wheel is swingable, and the equipment further includes being set to the substrate back
6th shaft and connecting rod, the lower end of the connecting rod are connect with the 6th shaft, and the upper end bending of the connecting rod is formed
Bending part, the bending part pass through the substrate and fix with first transmission wheel, offer on the substrate and the folding
The arcuate guide hole of turn of bilge cooperation.
By above technical scheme, the two sides in the arcuate guide hole are provided with third photoelectric encoder.
Compare the prior art, the beneficial features of the utility model are as follows: β ray method atmosphere particle monitoring equipment, sealing block
It can move up and down with clamp or release filter paper, convenient for sampling and paper feed, filter paper can be accurately positioned, first line of a couplet block and second line of a couplet block are and base
Plate is fixed, and is reduced transmission bring measurement error, is improved the precision of monitoring data；If the lower end of sealing block is evenly distributed with
A dry spring part can make the upper end of sealing block remain horizontal and sufficiently clamp filter paper, and filter paper positioning is more accurate, improve
The accuracy of grain object sampled result.
Detailed description of the invention
Fig. 1 is that sealing block compresses filter paper in a kind of embodiment of the utility model β ray method atmosphere particle monitoring equipment
When structural schematic diagram；
Fig. 2 is the Section A-A structural schematic diagram of Fig. 1；
Fig. 3 is the rearview of Fig. 1；
Fig. 4 is the section B-B structural schematic diagram of Fig. 3；
Fig. 5 is the schematic diagram of the section structure when sealing block unclamps filter paper in embodiment shown in FIG. 1；
Fig. 6 is the partial structural diagram of Fig. 5；
Fig. 7 is that air delivering pipeline structure is shown in a kind of embodiment of the utility model β ray method atmosphere particle monitoring equipment
It is intended to；
Fig. 8 is structural schematic diagram when sealing block compresses filter paper in a kind of embodiment of the utility model；
Fig. 9 is the C-C cross section structure schematic diagram of Fig. 8；
Figure 10 is the rearview of Fig. 8；
Figure 11 is structural schematic diagram when sealing block unclamps filter paper in embodiment shown in Fig. 8；
Wherein: 1- filter paper, 2- substrate (front of 2a- substrate, the back side of 2b- substrate, the first pilot hole of 201-, 202-
Two pilot holes, 203- arcuate guide hole), 3- first line of a couplet block (lower end surface of 3a- first line of a couplet block, 301- air inlet port), 4- second line of a couplet block (4a
Upper surface, the 401- outlet duct, the side 402- of second line of a couplet block), 5- guide part, 6- sealing block (6a-sealing block upper surface,
601- relief hole, 602- gas transmission hole portion), 7- air delivering pipeline (701- gas transmission pipe portion), 8- linear bearing, 9- spring part, 10- driving
Mechanism (the first output shaft of 1001-, the first drive motor of 1002-, the first turntable of 1003- (the first notch section of 10031-), 1004-
(vertical portion 10051-, 10052- are horizontal for first driving wheel (periphery of 1004a-the first driving wheel), the first drive rod of 1005-
Portion), the first photoelectric encoder of 1006-, the second output shaft of 1007-, the second drive motor of 1008-, the second turntable of 1009-
(the second notch section of 10091-), the second driving wheel of 1010- (1010a-the second driving wheel end face), 1011- third driving wheel
(10131- second connecting portion, 10132- third connect for (10111- first connecting portion), the second drive rod of 1012-, 1013- connector
Socket part), 1014- first rotating shaft, the second shaft of 1015-, 1016- third shaft, the 4th shaft of 1017-, the 5th shaft of 1018-,
1019- rotate reference axis, the second photoelectric encoder of 1020-), 11- radiator beta-ray, 12- detector, the first sealing ring of 13-, 14- protect
Pretective sleeve pipe, the second sealing ring of 15-, 16- air inlet pipeline, 17- outlet pipe, 18- paper feeding roller, the first transmission wheel of 19- (19a- first
The highest point of transmission wheel outer rim), the second transmission wheel of 20- (highest point of 20a- the second transmission wheel outer rim), 21- paper collecting roller, 22-
Six shafts, 23- connecting rod, 24- third photoelectric encoder, 25- third sealing ring, the 4th sealing ring of 26-.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.
Fig. 1 to Figure 11 is please referred to, the utility model embodiment particle sampling device is used cooperatively with filter paper 1 comprising
Substrate 2, the substrate 2 are vertically arranged, and the substrate 2 has the positive 2a and back side 2b being oppositely arranged；
It is fixed on the first line of a couplet block 3 of the substrate front side 2a, the lower end surface 3a through first line of a couplet block is offered on the first line of a couplet block 3
Air inlet port 301；
It is fixed on the second line of a couplet block 4 of the substrate front side 2a, the second line of a couplet block 4 is located at the lower section of the first line of a couplet block 3, under described
Join block 4 and the setting of the first line of a couplet block 3 interval, the outlet duct of the upper surface 4a through second line of a couplet block is offered on the second line of a couplet block 4
401；
Guide part 5, the upper end of guide part 5 are connect with the first line of a couplet block 3, and the lower end of guide part 5 is connect with second line of a couplet block 4；
Sealing block 6 between the first line of a couplet block 3 and second line of a couplet block 4, the sealing block 6 can be moved up along the guide part 5
It moves to compress filter paper 1, or moves down to unclamp filter paper 1；
Through the air delivering pipeline 7 of the sealing block 6, the upper end of the air delivering pipeline 7 is corresponding with the outlet duct 301 to be set
It sets, the lower end of the air delivering pipeline 7 is stretched out outside the sealing block 6 and is connected to fixation with the outlet duct 401；
Linear bearing 8 in the sealing block 6, the linear bearing 8 are set on the guide part 5；
Several spring parts 9 that upper and lower ends are connect with the sealing block 6, second line of a couplet block 4 respectively, the spring part 9 is along institute
6 edge of sealing block is stated to be uniformly distributed；And
Driving mechanism 10 set on the substrate back 2b and for driving the sealing block 6 to move up and down.
Specifically, described device further includes the radiator beta-ray 11 on the second line of a couplet block 4 and is set on the first line of a couplet block 3
Detector 12, the detector 12 is correspondingly arranged with the radiator beta-ray 11.
In further embodiments, referring to FIG. 6, in order to improve sealing performance, prevent air delivering pipeline 7 in use process disconnected
It splits, the air delivering pipeline 7 is telescopic tubular structure, offers on the sealing block 6 and passes through suitable for the air delivering pipeline 7
Relief hole 601, the upper end of the air delivering pipeline 7 are connected with the first sealing ring 13, and first sealing ring 13 is fixed on described allow
The upper end in position hole 601.When sealing block 6 pushes in order to prevent, air delivering pipeline 7 is clipped in the gap of sealing block 6 and second line of a couplet block 4,
Described device further includes the protection sleeve 14 being set in outside the air delivering pipeline 7, it is described protection sleeve 14 lower end and it is described under
Connection block 4 is fixed, the upper end of sleeve 14 is protected to protrude into the relief hole 601.In order to improve sealing performance, Fig. 5 and figure are please referred to
11, the lower end of the first line of a couplet block 3 have be coaxially disposed with the air inlet port 301 and with first sealing ring 13 cooperation
Second sealing ring 15.
In some embodiments, referring to FIG. 7, for the ease of installation and replacement, the air delivering pipeline 7 includes being opened in institute
The gas transmission hole portion 602 on sealing block 6 is stated, the gas transmission hole portion 602 runs through the sealing block 6, and the air delivering pipeline 7 further includes defeated
Tracheae portion 701, one end of the gas transmission pipe portion 701 is connect by third sealing ring 25 with the gas transmission hole portion 602, the other end is logical
It crosses the 4th sealing ring 26 to connect with the outlet duct 401, the gas transmission pipe portion 701 is scalable.
Preferably, the first line of a couplet block 3, second line of a couplet block 4, sealing block 6 are rectangular parallelepiped structure, and the second line of a couplet block 4 has four
Side 402, referring to FIG. 4, in order to improve the stability of guiding, the guide part 5 there are four and close to the second line of a couplet block four
The setting of 402 endpoint of side.
By being used for a long time, the upper surface 6a abrasion of sealing block or the movement of driving mechanism 10 may be made to generate mistake
Difference cause to be driven it is bad, make sealing block 6 can not closely compress filter paper 1 cause filter paper 1 positioning it is not accurate.It is therefore preferred that institute
Stating first line of a couplet block 3, second line of a couplet block 4, sealing block 6 is rectangular parallelepiped structure, and the second line of a couplet block 4 has four sides 402, referring to FIG. 4,
In order to improve spring part 9 to the function and effect of sealing block 6, sealing block 6 is set preferably to compress filter paper 1, the spring part 9 has four
The midpoint of four sides 402 a and respectively close to the second line of a couplet block 4 is arranged.
In some embodiments, Fig. 1, Fig. 2, Fig. 3 and Fig. 5 are please referred to, the driving mechanism 10 includes having the first output
First drive motor 1002 of axis 1001, on first output shaft 1001 and edge has the first notch section 10031
First turntable 1003, the first driving wheel 1004 on first output shaft 1001 and be set to first driving wheel
The first drive rod of L shape 1005 of 1004 lower ends, first turntable 1003 is coaxially disposed with first output shaft 1001, described
First driving wheel 1004 is eccentric wheel, and first drive rod 1005 is including vertical portion 10051 and is formed in vertical portion 10051
The horizontal part 10052 of lower end, the upper end of the vertical portion 10051 and the periphery 1004a of first driving wheel offset, described
Horizontal part 10052 is fixed with across the substrate 2 and with sealing block 6, is cooperated on the substrate 2 with the horizontal part 10052
First pilot hole 201, first pilot hole 201 extend vertically, described device further include set on the substrate back 2b and with
The first photoelectric encoder 1006 that first notch section 10031 cooperates, there are two first photoelectric encoders 1006 and right
Claim the two sides for being set to first turntable 1003.Its working principle is that: the first driving wheel 1004 is rotated with the first output shaft 1001,
The first drive rod 1005 to offset with the first driving wheel 1004 under the active force of the first driving wheel 1004 and spring part 9 on move down
Dynamic, to compress or unclamp filter paper 1, when sealing block 6 is located at position shown in fig. 5, sealing block 6 moves to lowest point,
Control system controls the first drive motor 1002 and stops operating, and paper advance mechanism starts to transmit filter paper 1 at this time.Filter paper 1 transmits in place
Afterwards, control system controls the first drive motor 1002 and starts turning, when the first turntable 1003 turns to position shown in FIG. 1,
First notch section 10031 is directed at the first photoelectric encoder 1006 of side, as shown in Figure 1, β ray method Atmospheric particulates are supervised automatically
The control system for surveying instrument controls the first drive motor 1002 and stops operating, and sealing block 6 compresses filter paper 1 at this time, such as Fig. 2 and Fig. 3 institute
Show, β ray method Atmospheric particulates automonitor starts to sample and monitor.The sampling of β ray method Atmospheric particulates automonitor
And after the completion of monitoring, control system controls the first drive motor 1002 and starts turning, and lacks when the first turntable 1003 turns to first
When oral area 10031 is directed at the first photoelectric encoder 1006 of the other side, the position of sealing block 6 is as shown in figure 5, sealing block 6 at this time
Filter paper 1 is unclamped, paper advance mechanism starts to transmit filter paper 1 at this time, so on circulate.
In other embodiments, Fig. 8 to Figure 11 is please referred to, the driving mechanism 10 includes having the second output shaft
1007 the second drive motor 1008, on second output shaft 1007 and edge has the of the second notch section 10091
Two turntables 1009, are set to second driving wheel end face at the second driving wheel 1010 on second output shaft 1007
Third driving wheel 1011 on 1010a, two the second drive rods 1012 for being symmetrically set in 1011 lower section of third driving wheel and
Connect the connector 1013 of third driving wheel 1011 and the second drive rod 1012, second turntable 1009 and the second driving wheel
1010 are coaxially disposed with second output shaft 1007, and the third driving wheel 1011 is eccentric wheel and third driving wheel 1011
Lower end is provided with first connecting portion 10111, and the third driving wheel 1011 and the second driving wheel 1010 pass through first rotating shaft 1014
Connection, the first rotating shaft 1014 are located on the center of circle of the third rotating wheel 1011 and are not located at second driving wheel 1010
The center of circle on, the third driving wheel 1011 can be rotated around the first rotating shaft 1014, connector 1013 include second connecting portion
10131 and third interconnecting piece 10132, the second connecting portion 10131 is connected by the second shaft 1015 with first connecting portion 10111
It connects, second connecting portion 10131 is also connect by third shaft 1016 with third interconnecting piece 10132, each second drive rod
1012 one end is connect by the 4th shaft 1017 with the third interconnecting piece 10132, the other end passes through the substrate 2 and is passed through
5th shaft 1018 is connect with the sealing block 6, and second with second drive rod 1012 cooperation is offered on the substrate 2
Pilot hole 202 is provided with the rotation reference axis 1019 of connecting substrate 2 and the second drive rod 1012 in second pilot hole 202,
The rotation reference axis 1019 is arranged close to the 5th shaft 1018, and the first rotating shaft 1014 is parallel with the second shaft 1015
Setting, the third shaft 1016, the 4th shaft 1017, the 5th shaft 1018 and rotation reference axis 1019 are arranged in parallel, described
Rotation reference axis 1019 be vertically arranged with the first rotating shaft 1014, described device further include be set to the substrate back 2b and with
The second photoelectric encoder 1020 that second notch section 10091 cooperates, there are two second photoelectric encoders 1020 and right
Claim the two sides for being set to second turntable 1009.Its working principle is that: the second driving wheel 1010 is rotated with the second output shaft 1007,
Third driving wheel 1011 is rotated with the second driving wheel 1010 and can be rotated relative to the second driving wheel 1010, the second drive rod 1012
It is connect by connector 1013 with the second driving wheel 1010.Under the transmission of connector 1013, when first rotating shaft 1014 moves to
Lowest point, i.e., shown in Fig. 8 to Figure 10 when position, sealing block 6 compresses filter paper 1.When first rotating shaft 1014 moves to highest point
Position, i.e. when position described in Figure 11, sealing block unclamps filter paper 1.
Please refer to Fig. 1 to Figure 11, the utility model embodiment β ray method atmosphere particle monitoring equipment comprising air inlet
Pipeline 16, outlet pipe 17, the paper advance mechanism for being used for transmission the filter paper and above-mentioned particle sampling device, the air inlet pipe
Road 16 is connect with the air inlet port 301, and the outlet pipe 17 is connect with the outlet duct 401, the paper advance mechanism packet
Include paper feeding roller 18, the first transmission wheel 19, the second transmission wheel 20 and the paper collecting roller 21 set on the substrate front side 2a, the filter paper 1
It is coiled on the paper feeding roller 18, and successively passes through the first transmission wheel 19, particle sampling device, the second transmission wheel 20, then by
Paper collecting roller 21 recycles.
Fig. 3 and Figure 10 are please referred to, the paper feeding roller 18 and the first transmission wheel 19 are located at the side of the substrate 2, the receipts
Paper wheel 21 and the second transmission wheel 20 are located at the other side of the substrate 2, the highest point 19a and second of the first transmission wheel outer rim
The highest point 20a of transmission wheel outer rim is located in same level, and the horizontal plane is located at the lower end of the first line of a couplet block 3 and close to institute
The lower end surface 3a setting of first line of a couplet block is stated, the paper feeding roller 18 and paper collecting roller 19 are divided into the lower end two sides of the second line of a couplet block 4.
Fig. 1 and Fig. 8 are please referred to, first transmission wheel 19 is swingable, and the equipment further includes being set to the substrate back
The 6th shaft 22 and connecting rod 23 of 2b, the lower end of the connecting rod 23 are connect with the 6th shaft 22, the connecting rod 23
Upper end bending form bending part, the bending part passes through the substrate 2 and, the substrate fixed with first transmission wheel 19
The arcuate guide hole 203 with bending part cooperation is offered on 2, the two sides in the arcuate guide hole 203 are provided with third light
Photoelectric coder 24.
The above content is the further description for combining specific embodiment to do the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the ordinary skill people of technical field belonging to the utility model
For member, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as
Belong to the protection scope of the utility model.
Claims (10)
1. a kind of particle sampling device, is used cooperatively with filter paper, it is characterised in that:
It includes substrate, and the substrate is vertically arranged；
It is fixed on the first line of a couplet block of the substrate front side, the air inlet port through its lower end surface is offered on the first line of a couplet block；
It is fixed on the second line of a couplet block of the substrate front side, the second line of a couplet block is located at the lower section of the first line of a couplet block, the second line of a couplet block and institute
The setting of first line of a couplet block gap is stated, the outlet duct through end face thereon is offered on the second line of a couplet block；
The guide part that upper and lower ends are connect with the first line of a couplet block, second line of a couplet block respectively；
Sealing block between the first line of a couplet block and second line of a couplet block, the sealing block can be moved on the guide part to compress filter
Paper is moved down to unclamp filter paper；
Through the air delivering pipeline of the sealing block, the upper end of the air delivering pipeline is correspondingly arranged with the outlet duct, described defeated
The lower end of air pipe is stretched out outside the sealing block and is fixed with the outlet hole link；
Linear bearing in the sealing block, the linear bearing are set on the guide part；
Several spring parts that upper and lower ends are connect with the sealing block, second line of a couplet block respectively, the spring part is along the sealing block
Edge is uniformly distributed；And
Driving mechanism set on the substrate back and for driving the sealing block to move up and down.
2. particle sampling device as described in claim 1, it is characterised in that: it further includes the β on the second line of a couplet block
Radioactive source and the detector on the first line of a couplet block, the detector are correspondingly arranged with the radiator beta-ray.
3. particle sampling device as described in claim 1, it is characterised in that: the air delivering pipeline is described close including being opened in
The gas transmission hole portion on block is sealed, the gas transmission hole portion runs through the sealing block, and the air delivering pipeline further includes gas transmission pipe portion, described defeated
The one end in tracheae portion is connect with the gas transmission hole portion, the other end is connect with the outlet duct, and the gas transmission pipe portion is scalable.
4. particle sampling device as described in claim 1, it is characterised in that: the air delivering pipeline is scalable, the sealing
The relief hole passed through suitable for the air delivering pipeline is offered on block, the upper end of the air delivering pipeline is connected with the first sealing ring, institute
State the upper end that the first sealing ring is fixed on the relief hole.
5. particle sampling device as described in claim 1, it is characterised in that: the first line of a couplet block, second line of a couplet block, sealing block are
Rectangular parallelepiped structure, the second line of a couplet block have four sides, and there are four the guide parts and four sides of the close second line of a couplet block
Endpoint setting.
6. particle sampling device as described in claim 1, it is characterised in that: the first line of a couplet block, second line of a couplet block, sealing block are
Rectangular parallelepiped structure, the second line of a couplet block have four sides, the spring part there are four and respectively close to four of the second line of a couplet block
The midpoint of side is arranged.
7. β ray method atmosphere particle monitoring equipment, it is characterised in that: it includes air inlet pipeline, outlet pipe, is used for transmission institute
State the paper advance mechanism of filter paper and such as particle sampling device as claimed in any one of claims 1 to 6, the air inlet pipeline and institute
Air inlet port connection is stated, the outlet pipe is connect with the outlet duct, and the paper advance mechanism includes being set to the substrate just
The paper feeding roller in face, the first transmission wheel, the second transmission wheel and paper collecting roller, the filter paper are coiled on the paper feeding roller, and successively pass through
The first transmission wheel, particle sampling device, the second transmission wheel are crossed, then is recycled by paper collecting roller.
8. β ray method atmosphere particle monitoring equipment as claimed in claim 7, it is characterised in that: the paper feeding roller and first
Transmission wheel is located at the side of the substrate, and the paper collecting roller and the second transmission wheel are located at the other side of the substrate, and described first
The highest point of transmission wheel outer rim and the highest point of the second transmission wheel outer rim are located in same level, and the horizontal plane is located at described
The lower end of first line of a couplet block is simultaneously arranged close to the lower end surface of the first line of a couplet block, and the paper feeding roller and paper collecting roller are divided into the second line of a couplet block
Lower end two sides.
9. β ray method atmosphere particle monitoring equipment as claimed in claim 7, it is characterised in that: first transmission wheel can
Swing, the equipment further includes the 6th shaft and connecting rod set on the substrate back, the lower end of the connecting rod with it is described
The connection of 6th shaft, the upper end bending of the connecting rod form bending part, and the bending part passes through the substrate and with described the
One transmission wheel is fixed, and the arcuate guide hole with bending part cooperation is offered on the substrate.
10. β ray method atmosphere particle monitoring equipment as claimed in claim 9, it is characterised in that: the arcuate guide hole
Two sides are provided with third photoelectric encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705639.XU CN209148376U (en) | 2018-10-22 | 2018-10-22 | A kind of particle sampling device and β ray method atmosphere particle monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705639.XU CN209148376U (en) | 2018-10-22 | 2018-10-22 | A kind of particle sampling device and β ray method atmosphere particle monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148376U true CN209148376U (en) | 2019-07-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109085026A (en) * | 2018-10-22 | 2018-12-25 | 武汉怡特环保科技有限公司 | A kind of particle sampling device and β ray method atmosphere particle monitoring equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085026A (en) * | 2018-10-22 | 2018-12-25 | 武汉怡特环保科技有限公司 | A kind of particle sampling device and β ray method atmosphere particle monitoring equipment |
| CN109085026B (en) * | 2018-10-22 | 2024-03-19 | 武汉怡特环保科技有限公司 | Particulate matter sampling device and beta-ray method atmospheric particulate matter monitoring equipment |
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