CN107884233B - Storehouse is gathered in biological granule circulation in atmosphere - Google Patents
Storehouse is gathered in biological granule circulation in atmosphere Download PDFInfo
- Publication number
- CN107884233B CN107884233B CN201711085739.7A CN201711085739A CN107884233B CN 107884233 B CN107884233 B CN 107884233B CN 201711085739 A CN201711085739 A CN 201711085739A CN 107884233 B CN107884233 B CN 107884233B
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- sampling
- driving device
- rotary
- gear
- workpiece
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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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0612—Optical scan of the deposits
Abstract
The invention discloses a circulating collection bin for biological particles in the atmosphere, which belongs to the technical field of agriculture and comprises a case, a sampling workpiece rotary conveying mechanism and a sampling workpiece telescopic rotating mechanism; the case consists of a substrate and a cover; the sampling workpiece rotary conveying mechanism consists of a first driving device, a rotary disc and a connecting sleeve; the sampling workpiece telescopic rotating mechanism consists of a second driving device, a first gear, a second gear, a screw rod and a third driving device; the second driving device drives the second gear to be meshed with the first gear so as to rotate the screw rod to perform feeding motion along the axial direction of the screw rod; and a movable connecting device is respectively arranged between the connecting sleeve and the rotating shaft and the rotary disk of the third driving device. 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.
Description
Technical Field
The invention belongs to the technical field of agriculture, and relates to a circulating collection bin for biological particles in atmosphere.
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 Rotorod Sampler based on the hydromechanics 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 circulation collecting bin for biological particles in the atmosphere, which can rapidly, accurately and continuously complete the sampling operation of biological particles in the atmosphere.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a circulating collection bin for biological particles in the atmosphere, which comprises a case, and a sampling workpiece, a sampling workpiece rotary conveying mechanism and a sampling workpiece telescopic rotating mechanism which are arranged in the case; wherein: the sampling device comprises a case, a sampling device and a sampling device, wherein the case consists of a substrate and a cover cap arranged on the substrate, and a sampling window which can enable the sampling workpiece to extend out of the cover cap and retract into the cover cap is arranged on the surface of the cover cap departing from the substrate; the sampling workpiece rotary conveying mechanism consists of a first driving device arranged on the substrate, a rotary disc rotationally connected with the first driving device, and connecting sleeves arranged at equal intervals along the circumferential direction of the rotary disc; the sampling workpiece is arranged on the connecting sleeve; the sampling workpiece telescopic rotating mechanism consists of a second driving device and a first gear which are arranged on the substrate, a second gear which is connected with the second driving device and is meshed with the first gear, a screw rod which is rotationally connected with the first gear, and a third driving device which is arranged at one end of the screw rod close to the rotary disc; the second driving device drives the second gear to be meshed with the first gear so as to rotate the screw rod to perform feeding motion along the axial direction of the screw rod; and under the action of the second driving device, the movable connecting device sequentially connects the rotating shaft with the connecting sleeve and separates the connecting sleeve from the rotary disk, or sequentially connects the connecting sleeve with the rotary disk and separates the rotating shaft from the connecting sleeve.
Further, the first driving device adopts a speed reduction motor, and the second driving device and the third driving device adopt stepping motors.
Furthermore, 4-12 connecting sleeves are provided.
Furthermore, the connecting sleeve is a shaft sleeve with an opening at one end, the movable connecting device is a rotary elastic sheet which is respectively arranged in the inner side and the outer side of the shaft sleeve, the advancing direction of the threaded rod, the rotating direction of the rotating shaft of the third driving device, the tightening direction of the rotary elastic sheet at the inner side of the shaft sleeve and the tightening direction of the rotary elastic sheet at the outer side of the shaft sleeve are consistent, and the retreating direction of the threaded rod, the tightening direction of the rotary elastic sheet at the inner side of the shaft sleeve and the tightening direction of the rotary elastic sheet at the outer side of the shaft sleeve are consistent.
Further, the rotary elastic sheet is replaced by a thread structure.
Furthermore, the sampling work piece comprises sampling support, the sample piece of connecting on this sampling support can be dismantled by fixed connection on the hookup cover, 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 which is arranged on the substrate and positioned in the cover and used for controlling the first driving device, the second driving device and the third driving device.
Furthermore, the machine case also comprises a supporting frame for lifting the machine case, wherein the supporting frame is provided with walking wheels, and the walking wheels are provided with braking devices.
Furthermore, the cover cap is detachably connected to the base plate, a guide rail is arranged in the cover cap, the base plate can slide in and out of the cover cap, and a sliding groove in sliding fit with the guide rail is formed in the base plate.
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 the sampling workpiece 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: the device comprises a base plate 1, a cover 2, a sampling window 3, a first driving device 4, a rotary disc 5, a connecting sleeve 6, a second driving device 7, a first gear 8, a second gear 9, a screw rod 10, a third driving device 11, a rotating shaft 12, a sampling workpiece 13 and an electric control device 14.
The first embodiment is as follows:
embodiments are substantially as shown in the drawings: the embodiment provides a circulating collection bin for biological particles in the atmosphere, which comprises a case, and a sampling workpiece 13, a sampling workpiece rotary conveying mechanism and a sampling workpiece telescopic rotating mechanism which are arranged in the case; the case consists of a substrate 1 and a cover 2 arranged on the substrate 1, wherein a sampling window 3 which can enable the sampling workpiece 13 to extend out of the cover 2 and retract into the cover 2 is arranged on the surface of the cover 2 departing from the substrate 1; the sampling workpiece rotary conveying mechanism consists of a first driving device 4 arranged on the substrate 1, a rotary disk 5 rotationally connected with the first driving device 4 and connecting sleeves 6 arranged at equal intervals along the circumferential direction of the rotary disk 5; the connecting sleeve 6 is provided with 4-12 sampling workpieces 13; the sampling workpiece telescopic rotating mechanism consists of a second driving device 7 and a first gear 8 which are arranged on the substrate 1, a second gear 9 which is connected with the second driving device 7 and is meshed with the first gear 8, a screw rod 10 which is rotationally connected with the first gear 8, and a third driving device 11 which is arranged at one end head of the screw rod 10 close to the rotary disk 5; the second driving device 7 drives the second gear 9 to be meshed with the first gear 9 so as to rotate the screw rod 10 to perform feeding motion along the axial direction of the screw rod 10; a movable connecting device is arranged between the connecting sleeve 6 and a rotating shaft 12 of the third driving device 11 and between the connecting sleeve 6 and the rotary disk 5 respectively, and under the action of the second driving device 7, the movable connecting device sequentially connects the rotating shaft 12 with the connecting sleeve 6 and separates the connecting sleeve 6 from the rotary disk 5, or sequentially connects the connecting sleeve 6 with the rotary disk 5 and separates the rotating shaft 12 from the connecting sleeve 6; the first driving device 4 adopts a speed reducing motor, and the second driving device 7 and the third driving device 11 adopt stepping motors; the connecting sleeve 6 is a shaft sleeve with an opening at one end, the movable connecting device is a rotary elastic sheet (not shown) which is respectively arranged in the shaft sleeve and on the outer side, the advancing rotary direction of the threaded rod 10, the rotary direction of the rotating shaft 12 of the third driving device 11, the tightening rotary direction of the rotary elastic sheet on the inner side of the shaft sleeve and the tightening rotary direction of the rotary elastic sheet on the outer side of the shaft sleeve are consistent, and the retreating rotary direction of the threaded rod 10, the tightening rotary direction of the rotary elastic sheet on the inner side of the shaft sleeve and the tightening rotary direction of the rotary elastic sheet on the outer side of the shaft sleeve are consistent.
By adopting the scheme, the first driving device drives the rotary disc to drive the connecting sleeve to rotate, the second driving device drives the screw rod to rotate, and the third driving device drives the sampling workpiece to rotate, so that the repeated positioning precision is high, accurate connection and pushing work of each sampling workpiece with the connecting sleeve can be guaranteed, and the cyclic alternating type acquisition work of each sampling workpiece is guaranteed. Namely, the collection bin can automatically complete a series of pushing collection work of extending, rotating, retracting, converting and the like of a workpiece to be sampled. The sampling device is high in practicability, replaces the operation process of frequently replacing the sampling workpiece manually, can achieve the flexible, quick, continuous and accurate effect in the whole collection process, and has the characteristics of compact structure, high collection efficiency, stability, safety, reliability, time saving, labor saving and high working efficiency.
The sampling workpiece 13 in this embodiment is composed of a sampling support (not marked) fixedly connected to the coupling sleeve 6 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.
In this embodiment, the collecting chamber further includes an electric control device 14 disposed on the substrate 1 and located in the cover 2 for controlling the first driving device 4, the second driving device 7, and the third driving device 11. Through the automatic control of the electric control device, the continuous and uninterrupted acquisition work of the acquisition bin can be ensured in a specified acquisition area and time period, for example, in 12 hours or 24 hours, the automatic alternate acquisition operation is implemented by changing the sampling workpiece for 30 minutes, 1 hour, 1.5 hours or 2 hours, inaccurate acquisition data caused by human factors is avoided, the working strength of acquisition personnel is reduced, and the acquisition work at an ultra-long distance is facilitated. The case is also provided with a storage battery (not shown) for providing electric power for the first driving device, the second driving device, the third driving device, the electric control device and the like, so that the collecting bin can work normally.
In this embodiment, this collection storehouse still includes the support frame (not drawn) that is used for raising this quick-witted case, is provided with the walking wheel on this support frame (not drawn), and is equipped with arresting gear on the walking wheel (not drawn). Like this, can be convenient for this collection storehouse gather the work to the space of higher position, and the convenient collection work that removes of walking wheel.
The cover 2 in this embodiment is detachably connected to the base plate 1, and a guide rail (not shown) is provided in the base plate 1, and the base plate 1 can slide in and out of the cover 2, and a sliding groove (not shown) slidably engaged with the guide rail is provided on the base plate 1. Therefore, unified change work of a plurality of sampling sheets in the case is conveniently implemented.
When in use, firstly, the sampling workpieces 13 are arranged on the connecting sleeve 6, and a plurality of connecting sleeves 6 with the sampling workpieces 13 are screwed on the rotary disk 5 through the rotary elastic sheets on the respective outer sides, and the operation is also used for replacing the sampling workpieces 13; then, controlling the first driving device 4 to drive the rotary disc 5 to rotate for a certain angle and then stopping, so that a sampling workpiece 13 on the rotary disc 5 is aligned to the sampling window 3, and the central axis of the sampling workpiece 13 is aligned to the central axis of the screw rod 10; then, controlling the second driving device 7 to rotate in the positive direction and driving the second gear 9 to engage with the first gear 8 to drive the screw rod 10 to perform an axial feeding action, namely, the screw rod 10 rotates and advances towards the direction of the rotary disk 5; then, a rotating shaft 12 of a third driving device 11 on the screw rod 10 enters the inner side of a connecting sleeve 6 of the sampling workpiece 13 arranged on the rotary disk 5, and under the action of a second driving device 7, after the screw rod 10 continuously rotates and is screwed with a rotary elastic sheet on the inner side of the connecting sleeve 6, the rotary elastic sheet on the outer side of the connecting sleeve 6 is loosened with the rotary disk 5, so that the sampling workpiece 13 is pushed out of the case cover 2 from the sampling window 3 by the screw rod 10, and the second driving device 7 is controlled to stop after the sampling workpiece 13 extends out for a certain distance, and at this time, the extension of the sampling workpiece 13 is realized; then, controlling the third driving device 11 to rotate to drive the sampling workpiece 13 to complete the acquisition work; then, the electric control device 14 automatically counts time according to the written program, controls the third driving device 11 to stop rotating after the set time is reached, controls the second driving device 7 to reversely rotate and drives the second gear 9 to engage with the first gear 8 to drive the screw rod 10 to axially retreat, but at the moment, the screw rod 10 rotates and retreats in the direction away from the rotary disk 5; then, the rotating shaft 12 of the third driving device 11 on the screw rod 10 drives the connecting sleeve 6 of the sampling workpiece 13 to retreat into the rotary disk 5, and under the action of the second driving device 7, the screw rod 10 continues to rotate, so that after the rotary elastic sheet on the outer side of the connecting sleeve 6 is screwed with the rotary disk 5, the rotary elastic sheet on the inner side of the connecting sleeve 6 is loosened from the rotating shaft 12, further the screw rod 10 retreats from the sampling workpiece 13, and at the moment, the retraction of the sampling workpiece 13 is realized; and finally, controlling the first driving device 4 to rotate for a certain angle again towards the previous rotating direction and then stop so that the next sampling workpiece 13 comes to a working position and waits for the pushing and rotating operations of the screw rod 10, and repeating the steps to finish the cyclic and alternate collection work of each sampling workpiece 13.
Example two:
the difference between the present embodiment and the first embodiment is: the rotary elastic sheet is replaced by a thread structure, namely the separation and connection between the screw rod and the connecting sleeve and between the connecting sleeve and the rotary disc can be completed according to the rotating directions of the internal thread and the external thread, so that the stretching and rotating operations of the screw rod on the sampling workpieces are ensured, and the cyclic alternate collection work of each sampling workpiece is further completed.
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. A circulating collection bin for biological particles in the atmosphere is characterized by comprising a case, and a sampling workpiece (13), a sampling workpiece rotary conveying mechanism and a sampling workpiece telescopic rotating mechanism which are arranged in the case; wherein:
the case consists of a substrate (1) and a cover cap (2) arranged on the substrate, wherein a sampling window (3) which can enable the sampling workpiece to extend out of the cover cap and retract into the cover cap is arranged on the surface of the cover cap departing from the substrate;
the sampling workpiece rotary conveying mechanism consists of a first driving device (4) arranged on the substrate, a rotary disc (5) rotationally connected with the first driving device and connecting sleeves (6) arranged at equal intervals along the circumferential direction of the rotary disc; the sampling workpiece is arranged on the connecting sleeve;
the sampling workpiece telescopic rotating mechanism consists of a second driving device (7) and a first gear (8) which are arranged on the base plate, a second gear (9) which is connected with the second driving device and is meshed with the first gear, a screw rod (10) which is rotationally connected with the first gear, and a third driving device (11) which is arranged at one end head of the screw rod close to the rotary disc; the second driving device drives the second gear to be meshed with the first gear so as to rotate the screw rod to perform feeding motion along the axial direction of the screw rod; and a movable connecting device is arranged between the connecting sleeve and a rotating shaft (12) and a rotating disc of the third driving device respectively, and the movable connecting device is used for connecting the rotating shaft with the connecting sleeve and separating the connecting sleeve from the rotating disc in sequence or connecting the connecting sleeve with the rotating disc and separating the rotating shaft from the connecting sleeve in sequence under the action of the second driving device.
2. The atmospheric biological particle circulating collection bin of claim 1, wherein the first driving device adopts a speed reduction motor, and the second driving device and the third driving device adopt stepping motors.
3. The atmospheric biological particle circulating collection bin of claim 1, wherein the number of the coupling sleeves is 4-12.
4. The circulating collection bin for airborne biological particles according to claim 1, wherein the coupling sleeve is a shaft sleeve with an opening at one end, the movable coupling device is a rotary elastic sheet respectively arranged on the inner side and the outer side of the shaft sleeve, the forward rotation direction of the threaded rod, the rotation direction of the rotating shaft of the third driving device, the tightening direction of the rotary elastic sheet on the inner side of the shaft sleeve and the loosening direction of the rotary elastic sheet on the outer side of the shaft sleeve are consistent, and the backward rotation direction of the threaded rod, the loosening direction of the rotary elastic sheet on the inner side of the shaft sleeve and the tightening direction of the rotary elastic sheet on the outer side of the shaft sleeve are consistent.
5. The atmospheric biological particle circulation collection bin of claim 4, wherein the rotary elastic sheet is replaced by a thread structure.
6. The circulating collection bin for airborne biological particles according to claim 1, wherein the sampling workpiece comprises a sampling support fixedly connected to the connecting sleeve and sampling sheets 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 microscope slides coated with adhesive are adopted.
7. The atmospheric biological particle circulation collection bin of claim 1, further comprising an electric control device (14) disposed on the base plate and located in the cover for controlling the first, second, and third driving devices.
8. The atmospheric biological particle circulation collection bin of claim 1, further comprising a support frame for lifting the case, wherein the support frame is provided with a traveling wheel, and the traveling wheel is provided with a braking device.
9. The circulating collection bin of airborne biological particles as in claim 1, wherein the cover is detachably connected to the base plate, a guide rail is provided in the cover, the base plate can slide in and out of the cover, and a sliding groove is provided on the base plate and is in sliding fit with the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085739.7A CN107884233B (en) | 2017-11-07 | 2017-11-07 | Storehouse is gathered in biological granule circulation in atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711085739.7A CN107884233B (en) | 2017-11-07 | 2017-11-07 | Storehouse is gathered in biological granule circulation in atmosphere |
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| CN107884233A CN107884233A (en) | 2018-04-06 |
| CN107884233B true CN107884233B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711085739.7A Active CN107884233B (en) | 2017-11-07 | 2017-11-07 | Storehouse is gathered in biological granule circulation in atmosphere |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030115B (en) * | 2018-05-31 | 2021-02-19 | 重庆交通大学 | Unmanned aerial vehicle atmospheric biological particle acquisition equipment and method |
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 |
| CN103645356A (en) * | 2013-11-26 | 2014-03-19 | 上海华力微电子有限公司 | Arrangement method of WAT test head |
| CN205193086U (en) * | 2015-12-11 | 2016-04-27 | 北京先驱威锋技术开发公司 | Retractable sample transition system |
| CN105486547B (en) * | 2015-12-24 | 2018-05-25 | 北京中晟泰科环境科技发展有限责任公司 | Atmosphere particulate matter sampler |
| CN205691384U (en) * | 2016-06-17 | 2016-11-16 | 青岛和诚环保科技有限公司 | Air particle sampling Automatic change film device and be provided with the sampler of this device |
| 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 |
| CN106644615A (en) * | 2016-09-22 | 2017-05-10 | 山西省交通环境保护中心站（有限公司） | Automatic collection device and method for coaxial multi-sample atmosphere |
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