CN107907370B - Continuous biological particle collection box - Google Patents
Continuous biological particle collection box Download PDFInfo
- Publication number
- CN107907370B CN107907370B CN201711085673.1A CN201711085673A CN107907370B CN 107907370 B CN107907370 B CN 107907370B CN 201711085673 A CN201711085673 A CN 201711085673A CN 107907370 B CN107907370 B CN 107907370B
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- sampling
- sliding frame
- particle collection
- push rod
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- 239000002245 particle Substances 0.000 title claims abstract description 31
- 238000005070 sampling Methods 0.000 claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000013573 pollen allergen Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a continuous type biological particle collection box, which belongs to the technical field of agriculture and comprises at least six sampling modules, wherein the sampling modules are arranged in M rows and N columns, M and N are positive integers, each sampling module comprises a case, a sampling workpiece, a rotating device, a sliding frame and a telescopic mechanism, the sampling workpiece, the rotating device, the sliding frame and the telescopic mechanism are arranged in the case, the rotating device is installed on the sliding frame and is rotatably connected with the sampling workpiece, the sliding frame is arranged in the case in a sliding mode and is of an H-shaped structure, the telescopic mechanism comprises a driving device, a telescopic push rod and a transmission device, the telescopic push rod comprises an inner rod and an outer rod which are sleeved together through rotating threads, one end of the inner rod is connected with the sliding frame, and. The invention can accurately and continuously complete the sampling operation of biological particles in the atmosphere and has the characteristics of compact structure, high collection efficiency, stability and reliability. The invention is formed by directly splicing the independent modules, is beneficial to organizing large-scale production, saves the production cost, can realize random overlapping and is beneficial to collection.
Description
Technical Field
The invention belongs to the technical field of agriculture, and relates to a continuous biological particle collection box.
Background
In the prior art, the drifting of biological particles in the atmosphere is a key subject of agricultural ecosystem research, and is a key technology for researches such as invasive species diffusion, ecological population change, pollen allergen tracing and the like. Because the biological particles spread along with the wind have light weight, small volume, large variation range of spreading height and distance and fast change of the atmosphere, the biological particle drifting sampling is always the elbow for researching the atmospheric spreading of the biological particles. Biological particles, such as pollen, seeds and the like, which drift along with the atmosphere are captured as much as possible, so that the opportunity of effective sampling is increased, and a novel sampling tool needs to be developed.
In the prior art, a biological particle sampler manufactured by utilizing the fluid mechanics principle can obtain the average particle concentration in the atmosphere within the sampling time period. The current popular Rotorod Sampler40 and the homemade TH-001-60 pollen samplers both adopt a fluid mechanics method. Compared with a domestic TH-001-60 type pollen sampler, the RotorodSampler sampler based on the fluid mechanics method is simpler and easy to operate. The Rotorod Sampler, the slide is installed in the plastic support, the collection of the slide has certain effectiveness, if a single slide can only be collected for 1-2 hours, it must be changed, and the Sampler is far away from the detection station usually, so the frequency of changing the slide is tedious, and the continuous sampling of the biological particles can not be guaranteed well, and the systematic research on the adopted work can not be carried out.
Therefore, how to effectively improve the collection efficiency of the slide is a new development direction for more effectively and accurately collecting the biological particles in the air.
Disclosure of Invention
In view of this, the technical problem to be solved by the present invention is to provide a time-saving, labor-saving, and high-efficiency continuous type biological particle collection box, which can rapidly, accurately, and continuously complete the biological particle sampling operation in the atmosphere.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a continuous biological particle collection box, which comprises at least six sampling modules, wherein the sampling modules are arranged in M rows and N columns, M and N are positive integers, each sampling module comprises a case, a sampling workpiece, a rotating device, a sliding frame and a telescopic mechanism, the sampling workpiece, the rotating device, the sliding frame and the telescopic mechanism are arranged in the case, the sliding frame is arranged on the sliding frame and is rotatably connected with the sampling workpiece, the sliding frame is slidably arranged in the case and is of an H-shaped structure, the telescopic mechanism comprises a driving device, a telescopic push rod and a transmission device, the telescopic push rod comprises an inner rod and an outer rod which are sleeved together through rotary threads, one end of the telescopic push rod is connected with the sliding frame, and the other end of the.
Further, the rotating device adopts a speed reduction motor, and the driving device adopts a stepping motor.
Furthermore, the transmission device consists of a driving gear arranged on the driving device and a driven gear arranged on the telescopic push rod and meshed with the driving gear, and the telescopic push rod is rotatably supported in the case.
Further, the driving gear and the driven gear are bevel gears.
Further, the driving gear is replaced by a worm wheel, and the driven gear is replaced by a worm.
Furthermore, the sampling work piece comprises sampling support, the sample piece of connecting on this sampling support can be dismantled by fixed connection on rotary device, the sample piece sets up to three, and the contained angle between two liang is 120, adopts the microscope slide that has scribbled the adhesive.
Furthermore, the device also comprises an electric control device for orderly controlling the rotating device and the driving device in each sampling module.
Furthermore, a guide rail is arranged in the case, and two wing walls of the H-shaped sliding frame are in sliding fit with the guide rail.
Furthermore, the case is connected with a face door through a movable part, a pull rope and a support rod are arranged between the face door and the sliding frame, the support rod is a hydraulic, pneumatic or gas spring support rod, and the movable part is a spring or a hinge.
The invention has the beneficial effects that:
1. the collecting bin can automatically complete a series of pushing and collecting work of extending, rotating, retracting, converting and the like of a workpiece to be sampled.
2. The collecting bin is high in practicability, replaces the operation process of frequently replacing and adopting workpieces by manpower, can achieve flexible, rapid, continuous and accurate effects in the whole collecting process, and has the characteristics of compact structure, high collecting efficiency, stability, safety, reliability, time and labor conservation and high working efficiency.
3. According to the collecting bin, the structure of the biological particle collector is improved, the collecting efficiency is improved through the delicate transmission structure design, continuous and reliable collecting data can be obtained, and therefore the accuracy of the total particle concentration of the air calculated by the collecting bin is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of the sampling magazine with the sampling workpieces retracted;
FIG. 2 is a schematic structural view of the sampling bin of the present invention with the sampling workpiece extended;
fig. 3 is a schematic front view of the collection chamber of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Referring to fig. 1-3, the reference numbers in the figures refer to the following elements: case 1, sample work piece 2, rotary device 3, slide 4, drive arrangement 5, telescopic push rod 6, stay cord 7, bracing piece 8, drive tooth 9, driven gear 10, face door 11, wherein: an inner rod 61, an outer rod 62.
Embodiments are substantially as shown in the drawings: the embodiment provides a continuous type biological particle collection box, which comprises at least six sampling modules, wherein the sampling modules are arranged in M rows and N columns, and M and N are positive integers, namely, the collection box can be arranged in a single-row structure, a single-column structure or a matrix structure by a plurality of sampling modules; the single sampling module comprises a case 1, a sampling workpiece 2, a rotating device 3, a sliding frame 4 and a telescopic mechanism, wherein the sampling workpiece 2, the rotating device 3, the sliding frame 4 and the telescopic mechanism are arranged in the case 1, the rotating device 2 adopts a speed reducing motor, is arranged on the sliding frame 4 and is rotatably connected with the sampling workpiece 2, the sliding frame 4 is arranged in the case 1 in a sliding manner and is of an H-shaped structure, the interference of a blocking surface in the sampling process is reduced, a guide rail (not shown) is arranged in the case 1, and two wing walls of the sliding frame 4 with the H-shaped structure are in sliding fit with the guide rail, so that the sliding frame 4 can slide left and right; the telescopic mechanism is composed of a driving device 5, a telescopic push rod 6 and a transmission device, wherein the driving device 5 adopts a stepping motor, the telescopic push rod 6 is composed of an inner rod 61 and an outer rod 62 which are sleeved together by rotating threads, one end of the inner rod 61 (the outer rod 62) is connected to the sliding frame 4, the other end of the inner rod is spirally connected with the outer rod 62 (the inner rod 61), and the other end of the outer rod 62 (the inner rod 61) is connected with the driving device 5 through the transmission device, so that the driving device drives the transmission device to move, the outer rod rotates, the inner rod correspondingly extends or retracts between the outer rod and the inner rod under the driving of the thread rotation in the clockwise direction or the anticlockwise direction of the outer rod, and the sliding frame is pushed to linearly reciprocate to drive a sampling workpiece to extend out of the case or retract into the case; the transmission device consists of a driving gear 7 arranged on the driving device 5 and a driven gear 8 which is arranged on an outer rod 62 (or an inner rod 61) of the telescopic push rod 6 and is meshed with the driving gear 7, and the transmission between the driving device and the telescopic push rod is completed through tooth meshing.
By adopting the scheme, the invention can accurately and continuously complete the sampling operation of the biological particles in the atmosphere and has the characteristics of compact structure, high efficiency, stability and reliability in acquisition. The invention is formed by directly splicing the independent modules, is beneficial to organizing large-scale production, saves the production cost, can realize random overlapping and is beneficial to collection. And the single sampling module is also beneficial to transportation, disassembly and assembly, storage, maintenance and the like.
The driving gear 7 and the driven gear 8 in another embodiment are bevel gears. Has stable structure and large transmission torque.
In another embodiment, the driving gear 7 is replaced by a worm gear (not shown), the driven gear 8 is replaced by a worm gear (not shown), namely, the worm gear is arranged on the driving device, and the worm is arranged on the telescopic push rod (the worm is connected with the outer rod or the outer rod is a worm). The rotation between the inner rod and the outer rod of the telescopic push rod can be realized by adopting a worm and gear transmission structure to push the sliding frame to move.
The sampling workpiece 2 in this embodiment is composed of a sampling support (not marked) fixedly connected to the rotating device 3 and sampling sheets (not marked) detachably connected to the sampling support, the number of the sampling sheets is three, the included angle between every two sampling sheets is 120 degrees, and a microscope slide coated with an adhesive such as silicone grease is adopted. The sampling workpiece is designed by a three-piece sampling piece structure, so that an effective acquisition area is increased, the acquisition efficiency is improved, continuous and reliable acquisition data can be acquired, and the accuracy of the total air particle concentration calculated by the sampling workpiece is improved.
The present embodiment further includes an electric control device (not shown) for orderly controlling the rotating device 3 and the driving device 5 in each sampling module. Through the automatic control of the electric control device, the collection box can be ensured to complete continuous and uninterrupted collection work in a specified collection area and time period, for example, in 12 hours or 24 hours, the automatic alternate collection operation is implemented by changing the sampling workpiece for 30 minutes, 1 hour, 1.5 hours or 2 hours, inaccurate data collection caused by human factors is avoided, the working strength of collection personnel is reduced, and the collection work at an ultra-long distance is facilitated. A storage battery (not shown) is arranged in the case to provide power for each driving device, the rotating device, the electric control device and the like, so that the collection box can work normally.
The case 1 in this embodiment is connected to a front door 11 through a movable member, a pull rope 9 and a support rod 10 are disposed between the front door 11 and the sliding frame 4, the support rod 10 is a hydraulic, pneumatic or gas spring support rod, and the movable member is a spring or a hinge. If certain adoption module need stretch out when gathering, the slip frame slides to the face door direction, and the stay cord is in lax form this moment, and the bracing piece promotes the face door and opens certain aperture after, and the face door expandes under the spring action, if keep flat in quick-witted bottom portion, at this in-process, the bracing piece extension and stay cord tighten, if when needs retract, the slip frame retracts and drives the stay cord and pull up the face door and overcome the spring force and compress the bracing piece, and the bracing piece will gradually accomplish the closing action of face door under being in the state of retracting, and the stay cord lax inoperative this moment. In different embodiments, an electronic door can be adopted, and an electric control device is used for directly opening and closing the electronic door through electric control.
In this embodiment, an automatic triggering device may be disposed in the connection relationship between the driving device and the rotating device, that is, the opening and closing of the rotating device is related to the opening and closing of the driving device, for example, an opening and closing button is disposed on the sliding frame, and a triggering sheet is disposed in the chassis.
When the sampling device is used, firstly, a certain number of sampling modules are automatically spliced into a certain shape according to requirements, the sampling modules and internal components thereof are connected with an electric control device, and specific control parameters (time, period and the like) are set through a PLC (programmable logic controller) in the electric control device so as to finish the collection work with specified requirements, namely, after the first sampling module starts to work, the subsequent sampling modules can continuously run for collection; if a certain sampling module needs to collect, the driving device 5 is controlled to start (e.g. rotate forwards) to drive the transmission device to drive the outer rod 62 of the telescopic push rod 6 to rotate, the outer rod 62 and the inner rod 61 rotate in a thread way (rotate clockwise), so that the inner rod extends out of the outer rod and pushes the sliding frame 4 to move towards the face door 11, at the moment, the supporting rod on the sliding frame 4 pushes the face door to open the face door 11 before the adopted workpiece 2, then the sliding frame 4 pushes the adopted workpiece to extend out of the case 1 in the process of continuing to advance, after the specified extension length is reached, the driving device 5 stops, the rotating device 3 is started to start the adopted workpiece 2 to carry out collection, when the specified set time is reached, the rotating device 3 is controlled to stop, the driving device 5 is started (rotate reversely), so that the inner rod rotates anticlockwise to retract into the outer rod, and the sliding frame 4 is driven to retract into the, after the sampling workpiece 2 is retracted to the right position, the driving device 5 is stopped, and the retraction of the sampling workpiece 2 is realized at the moment; and finally, repeating the steps to finish the cyclic and alternate acquisition work of the sampling workpieces 2 in the modules.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. Continuous type biological particle collection box, a serial communication port, including six at least sampling modules, be M line, N is listed as and arranges, M and N are positive integer, single sampling module includes quick-witted case (1) and locates sampling work piece (2) of this quick-witted incasement, rotary device (3), sliding frame (4) and telescopic machanism, rotary device installs on sliding frame and rotates with sampling work piece and be connected, sliding frame slidable sets up at quick-witted incasement, be H type structure, telescopic machanism is by drive arrangement (5), telescopic push rod (6), transmission constitutes, telescopic push rod comprises interior pole (61) and outer pole (62) that rotatory screw thread cup jointed together, the one end that the outer pole was stretched out to interior pole is connected in sliding frame, the outer pole passes through transmission with drive arrangement and is connected.
2. The continuous bio-particle collection cassette of claim 1, wherein said rotation mechanism comprises a gear motor and said drive mechanism comprises a stepper motor.
3. The continuous bio-particle collection box of claim 1 wherein said transmission means comprises a driving gear (7) mounted on said driving means, and a driven gear (8) mounted on said retractable push rod and engaged with said driving gear, said retractable push rod being rotatably supported within said housing.
4. The continuous bio-particle collection cassette of claim 3, wherein said drive and driven gears are bevel gears.
5. The continuous bio-particle collection cassette of claim 3 wherein said drive gear is replaced with a worm gear and said driven gear is replaced with a worm.
6. The continuous type biological particle collection box of claim 1, wherein the sampling workpiece comprises a sampling support fixedly connected to the rotating device and three sampling sheets detachably connected to the sampling support, the sampling sheets are arranged in three numbers, the included angle between every two sampling sheets is 120 degrees, and microscope slides coated with adhesives are adopted.
7. The continuous bio-particle collection cassette of claim 1, further comprising an electronic control device for orderly controlling the rotation device and the driving device within each sampling module.
8. The continuous bio-particle collection bin of claim 1 wherein a rail is disposed within said bin, and said walls of said H-shaped sliding rack slidably engage said rail.
9. The continuous type biological particle collection box according to claim 1, wherein a face door (11) is connected to the machine box through a movable member, a pull rope (9) and a support rod (10) are arranged between the face door and the sliding frame, the support rod is a hydraulic, pneumatic or gas spring support rod, and the movable member is a spring or a hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085673.1A CN107907370B (en) | 2017-11-07 | 2017-11-07 | Continuous biological particle collection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085673.1A CN107907370B (en) | 2017-11-07 | 2017-11-07 | Continuous biological particle collection box |
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| Publication Number | Publication Date |
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| CN107907370A CN107907370A (en) | 2018-04-13 |
| CN107907370B true CN107907370B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711085673.1A Expired - Fee Related CN107907370B (en) | 2017-11-07 | 2017-11-07 | Continuous biological particle collection box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113607508A (en) * | 2021-09-01 | 2021-11-05 | 中国科学院大气物理研究所 | Novel even sampling of atmosphere single particle thing device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4440692A1 (en) * | 1994-11-15 | 1996-05-23 | Ilka Praezimatik Kryotechnik G | Sampling air for the presence of nuclides |
| US6514721B2 (en) * | 2001-07-03 | 2003-02-04 | Biochem Technologies, Inc. | Air sampler for pathogens and psychrometrics |
| CN101806676B (en) * | 2010-03-23 | 2011-11-02 | 中国科学院研究生院 | Pollen collector |
| CN203037554U (en) * | 2012-12-10 | 2013-07-03 | 江苏天瑞仪器股份有限公司 | Atmosphere heavy metal online analyzer |
| CN103900852B (en) * | 2014-04-09 | 2016-07-27 | 中国科学院东北地理与农业生态研究所 | Air pollen collector |
| CN206008545U (en) * | 2016-08-29 | 2017-03-15 | 重庆清白面业有限责任公司 | A kind of flour automatic uniform mixing device |
| KR101721607B1 (en) * | 2016-11-10 | 2017-04-03 | 대한민국 | Apparatus for rotating-type analyzing particles in particulate matter and analyzing method using the same |
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