CN105738261A - Filter paper translation device of beta-ray-method atmospheric particulate monitor - Google Patents
Filter paper translation device of beta-ray-method atmospheric particulate monitor Download PDFInfo
- Publication number
- CN105738261A CN105738261A CN201610097195.5A CN201610097195A CN105738261A CN 105738261 A CN105738261 A CN 105738261A CN 201610097195 A CN201610097195 A CN 201610097195A CN 105738261 A CN105738261 A CN 105738261A
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- China
- Prior art keywords
- filter paper
- supporting construction
- mechanical hand
- pinch roller
- particulate matter
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- 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
- G01N15/0637—Moving support
- G01N15/0643—Moving support of the filter type
Abstract
The invention discloses a filter paper translation device of a beta-ray-method atmospheric particulate monitor. The filter paper translation device comprises a supporting structure. A belt pay-off wheel and a belt take-up wheel which are arranged side by side in a left and right mode are installed on the supporting structure. A mechanical hand is connected to the supporting structure. Under the action of the mechanical hand, the whole supporting structure moves left and right. The belt pay-off wheel and the belt take-up wheel are installed on the supporting structure, the mechanical hand is connected to the supporting structure and used for controlling the whole supporting structure to move, filter paper can move between a point P1 and a point P2 in a reciprocating mode by controlling the whole supporting structure to move through the mechanical hand instead of rotating the belt take-up wheel and the belt pay-off wheel currently, the filter paper can move between the point P1 and the point P2 more accurately, and control is more reliable. Accuracy for monitoring atmospheric particulates is remarkably improved.
Description
Technical field
The invention belongs to air detection equipment technical field, specifically, particularly to the filter paper translating device of a kind of β ray method atmosphere particulate matter monitoring instrument.
Background technology
The general name that Atmospheric particulates are dispersed in air solid-state or liquid particles shape material.Varying in size of grain-size of atmospheric particulate substance, the position being inhaled into and being deposited on respiratory system is different, and the harm of body is also variant.It is trapped in upper airway more than 5 μm more, is trapped in bronchioles and alveolar less than 5 μm more.Increasingly pay close attention to Atmospheric particulates healthhazard along with people, the monitoring technology of Atmospheric particulates is also more and more progressive.
Existing atmosphere particle monitoring means mainly have: β attenuation sensors, trace oscillating balance method and light scattering method.Wherein, the particulate matter in air is mainly attached on filter paper by β attenuation sensors, then measures the loss after this filter paper of the β ray, thus calculating the mass concentration of particulate matter.Its concrete measurement process is: the P1 point blank filter paper specified being placed between β source and detector is measured the Beta-ray intensity level by blank filter paper and preserves, then the filter paper in this region move on to another P2 specified point carry out bleeding sampling and on filter paper, leaving dust spot, after sampling, the filter paper containing dust spot is moved back into the P1 point between β source and detector, measure its Beta-ray intensity level again and preserve, the data relevant with atmosphere particle concentration are obtained, thus completing one-shot measurement finally by calculating；Before carrying out measurement next time, filter paper then needs paper feed certain distance.
According to above-mentioned measurement process, the specific region of filter paper needs to move back and forth between P1 point and P2 point, and whether the distance of movement accurately directly affects the accuracy of testing result.Traditional filter paper move mode is to be realized by take-up pulley and the rotation putting belt wheel, and the distance of movement is judged by take-up pulley and the angle putting belt wheel rotation, owing under different radii, axle rotates the circumference arc length difference corresponding to identical angle, cause each filter paper amount of movement different, the upper permissible accuracy of production can not be met.The patent of invention that application number is " 201010520126.3 " discloses " a kind of β ray method PM10 on-line computing model form feeding device ", and the paper feed amount of filter paper is monitored and controlled to the main rotational angle adopting claw-pole motor, but this quantitatively still accurate not.
Summary of the invention
The technical problem to be solved is in that the filter paper translating device of the β ray method atmosphere particulate matter monitoring instrument providing a kind of simple in construction, degree of accuracy high.
Technical scheme is as follows: the filter paper translating device of a kind of β ray method atmosphere particulate matter monitoring instrument, including supporting construction, what be arranged side by side about being provided with in described supporting construction puts belt wheel and take-up pulley, described supporting construction is connected to mechanical hand, under the effect of mechanical hand, described supporting construction integral left moves right.
The present invention installs on the support structure by putting belt wheel and take-up pulley, connect mechanical hand on the support structure, moved integrally by manipulator control supporting construction, filter paper moving back and forth between P1 and P2 puts is made to be moved integrally by manipulator control supporting construction and realize, rather than existing by take-up pulley with put the rotation of belt wheel and realize, make filter paper movement between P1 and P2 puts more precisely, control relatively reliable.Considerably improve the accuracy of atmosphere particle monitoring.
Described mechanical hand is fixed on installing rack, described installing rack includes the backboard and two blocks, the left and right side plate that overlap, described mechanical hand is arranged on the front side of backboard, and the outfan of mechanical hand and supporting construction are fixed, described supporting construction is integrally located at backboard and side plate surrounds uncovered in.The mounting structure of mechanical hand is simple, it is easy to produce；Further, supporting construction is integrally located at backboard and side plate surrounds uncovered in, make total compacter, more stable firmly.
Described backboard and two blocks of side plates following between be connected to the base plate of rectangle.Make overall structure more stable firmly.
Described take-up pulley is connected to motor, described supporting construction is also equipped with rotating shaft and pinch roller, the centrage of described rotating shaft and pinch roller all with the centerline parallel putting belt wheel, described rotating shaft is provided with encoder, the downward clamping shaft of described pinch roller.In actually used process, filter paper passes between rotating shaft and pinch roller, after one-shot measurement completes, take-up pulley rotates when pulling filter paper paper feed, compression due to pinch roller, axis of rotation, the paper feed amount of filter paper accurately monitored by encoder in rotating shaft, and controls the amount of spin of take-up pulley in real time, and the paper feed making filter paper is quantitatively more accurate.
Described pinch roller is installed on the support structure by installing axle, contiguous block, bearing pin and torsion spring, described bearing pin is arranged with shaft parallel, bearing pin is set with torsion spring and contiguous block, the installation axle with shaft parallel it is equipped with near one end of rotating shaft at described contiguous block, described installation axle is set with pinch roller, under the effect of torsion spring, the downward clamping shaft of described pinch roller.So not only the mounting structure of pinch roller is simple, and the setting of torsion spring ensure that filter paper is pressed in rotating shaft by pinch roller, so that it is guaranteed that the paper feed amount of filter paper is monitored by encoder exactly.
Being provided with two directive wheels in left and right above belt wheel and take-up pulley described putting, described rotating shaft is positioned at the top putting the directive wheel above belt wheel.The setting of directive wheel makes the layout of filter paper and tensioning all more reasonable.
Described supporting construction is made up of vertical installing plate, and the outfan of described mechanical hand and the back side of installing plate are fixed, described in put belt wheel, take-up pulley, rotating shaft, pinch roller and bearing pin and be respectively positioned on the front side of installing plate, described encoder and motor are positioned at the rear side of installing plate.The simple in construction of supporting construction, it is easy to assembling.
Described installing plate has the breach of stepping down of rectangle, described in breach of stepping down putting between belt wheel and take-up pulley above position.The hold down gag to filter paper is easy in the setting of breach of stepping down and detecting device is stepped down.
Beneficial effect: the present invention installs on the support structure by putting belt wheel and take-up pulley, connect mechanical hand on the support structure, moved integrally by manipulator control supporting construction, make filter paper moving back and forth more precisely between P1 and P2 puts, control relatively reliable, considerably improve the accuracy of atmosphere particle monitoring.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A-A section view rotation figure of Fig. 1.
In figure, labelling is as follows: base plate 1, take-up pulley 2, backboard 3, side plate 4, installing plate 5, directive wheel 6, bearing pin 7, contiguous block 8, install axle 9, pinch roller 10, rotating shaft 11, mechanical hand 12, put belt wheel 13, motor 14, torsion spring 15 and encoder 16.
Detailed description of the invention
Describe embodiment below with reference to accompanying drawing to be illustrative of, it is intended to explain the present invention, and be not considered as limiting the invention.Being described below in detail embodiments of the invention, described embodiment example is shown in the drawings, wherein represents same or similar element with same or similar label from start to finish or has the element of same or like function.In describing the invention; it should be noted that; for the noun of locality; if any term " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the indicating position such as " outward " and position relationship be based on orientation shown in the drawings or position relationship; it is for only for ease of the narration present invention and simplifies description; rather than the device of instruction or hint indication or element must have specific orientation, construct with particular orientation and operation, should not be construed as the concrete protection domain of the restriction present invention.
In the present invention, except as otherwise clear stipulaties and restriction, should go to understand as broad sense if any the term such as term " assembling ", " being connected ", " connection ", " fixing ", for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can also be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be connected by intermediary, it is possible to be that two element internals are connected.For those of ordinary skills, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In invention, unless otherwise prescribed and limit, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature includes fisrt feature directly over second feature and oblique upper in second feature " on " and " above ", or is only the height representing fisrt feature level height higher than second feature.Fisrt feature includes fisrt feature immediately below second feature or obliquely downward in second feature " under " and " below ", or is merely representative of fisrt feature level height lower than second feature.
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is further described, make technical scheme and beneficial effect thereof clearly, clearly.
As shown in Figure 1, Figure 2 and Figure 3, the present invention includes supporting construction, and what be arranged side by side about being provided with in described supporting construction puts belt wheel 13 and take-up pulley 2, is connected to mechanical hand 12 in described supporting construction, under the effect of mechanical hand 12, described supporting construction integral left moves right.Described mechanical hand 12 is fixed on installing rack, and described installing rack includes the backboard 3 and two blocks, the left and right side plate 4 that overlap, and described mechanical hand 12 is arranged on the front side of backboard 3.The outfan of mechanical hand 12 and supporting construction are fixed, described supporting construction is integrally located at backboard 3 and side plate 4 surrounds uncovered in.Described backboard 3 and two blocks of side plates 4 following between be connected to the base plate 1 of rectangle.
As shown in Figure 1, Figure 2 and Figure 3, described take-up pulley 2 is connected to motor 14, described supporting construction is also equipped with rotating shaft 11 and pinch roller 10, the centrage of described rotating shaft 11 and pinch roller 10 all with the centerline parallel putting belt wheel 13.Described rotating shaft 11 is provided with encoder 16, the described downward clamping shaft 11 of pinch roller 10.Described pinch roller 10 is installed on the support structure by installing axle 9, contiguous block 8, bearing pin 7 and torsion spring 15, and described bearing pin 7 is arranged in parallel with rotating shaft 11, is set with torsion spring 15 and contiguous block 8 on bearing pin 7.It is equipped with the installation axle 9 parallel with rotating shaft 11 at described contiguous block 8 near one end of rotating shaft 11, described installation axle 9 is set with pinch roller 10, under the effect of torsion spring 15, the described downward clamping shaft 11 of pinch roller 10.Being provided with two directive wheels 6 in left and right above belt wheel 13 and take-up pulley 2 described putting, described rotating shaft 11 is positioned at the top putting the directive wheel 6 above belt wheel 13.
As depicted in figs. 1 and 2, described supporting construction is made up of vertical installing plate 5, the outfan of described mechanical hand 12 and the back side of installing plate 5 are fixed, described belt wheel 13, take-up pulley 2, rotating shaft 11, pinch roller 10 and the bearing pin 7 put is respectively positioned on the front side of installing plate 5, and described encoder 16 and motor 14 are positioned at the rear side of installing plate 5.Described installing plate 5 has the breach of stepping down of rectangle, described in breach of stepping down putting between belt wheel 13 and take-up pulley 2 above position.
Claims (8)
1. the filter paper translating device of a β ray method atmosphere particulate matter monitoring instrument, including supporting construction, what be arranged side by side about being provided with in described supporting construction puts belt wheel and take-up pulley, it is characterized in that: in described supporting construction, be connected to mechanical hand, under the effect of mechanical hand, described supporting construction integral left moves right.
2. the filter paper translating device of β ray method atmosphere particulate matter monitoring instrument according to claim 1, it is characterized in that: described mechanical hand is fixed on installing rack, described installing rack includes the backboard and two blocks, the left and right side plate that overlap, described mechanical hand is arranged on the front side of backboard, the outfan of mechanical hand and supporting construction are fixed, described supporting construction is integrally located at backboard and side plate surrounds uncovered in.
3. the filter paper translating device of β ray method atmosphere particulate matter monitoring instrument according to claim 2, it is characterised in that: described backboard and two blocks of side plates following between be connected to the base plate of rectangle.
4. the filter paper translating device of β ray method atmosphere particulate matter monitoring instrument according to claim 1 or 2 or 3, it is characterized in that: on described take-up pulley, be connected to motor, described supporting construction is also equipped with rotating shaft and pinch roller, the centrage of described rotating shaft and pinch roller all with the centerline parallel putting belt wheel, described rotating shaft is provided with encoder, the downward clamping shaft of described pinch roller.
5. the filter paper translating device of β ray method atmosphere particulate matter monitoring instrument according to claim 4, it is characterized in that: described pinch roller is installed on the support structure by installing axle, contiguous block, bearing pin and torsion spring, described bearing pin is arranged with shaft parallel, bearing pin is set with torsion spring and contiguous block, the installation axle with shaft parallel it is equipped with near one end of rotating shaft at described contiguous block, described installation axle is set with pinch roller, under the effect of torsion spring, the downward clamping shaft of described pinch roller.
6. the filter paper translating device of β ray method atmosphere particulate matter monitoring instrument according to claim 5, it is characterised in that: being provided with two directive wheels in left and right above belt wheel and take-up pulley described putting, described rotating shaft is positioned at the top putting the directive wheel above belt wheel.
7. the filter paper translating device of β ray method atmosphere particulate matter monitoring instrument according to claim 6, it is characterized in that: described supporting construction is made up of vertical installing plate, the outfan of described mechanical hand and the back side of installing plate are fixed, described belt wheel, take-up pulley, rotating shaft, pinch roller and the bearing pin put is respectively positioned on the front side of installing plate, and described encoder and motor are positioned at the rear side of installing plate.
8. the filter paper translating device of β ray method atmosphere particulate matter monitoring instrument according to claim 7, it is characterised in that: on described installing plate, have the breach of stepping down of rectangle, described in breach of stepping down putting between belt wheel and take-up pulley above position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097195.5A CN105738261B (en) | 2016-02-23 | 2016-02-23 | The filter paper translating device of β ray method atmosphere particulate matter monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097195.5A CN105738261B (en) | 2016-02-23 | 2016-02-23 | The filter paper translating device of β ray method atmosphere particulate matter monitoring instrument |
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| CN105738261A true CN105738261A (en) | 2016-07-06 |
| CN105738261B CN105738261B (en) | 2018-12-11 |
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| CN201610097195.5A Active CN105738261B (en) | 2016-02-23 | 2016-02-23 | The filter paper translating device of β ray method atmosphere particulate matter monitoring instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402172A (en) * | 2017-07-27 | 2017-11-28 | 中绿环保科技股份有限公司 | Automatic filter membrane clamping device in PM2.5 particle monitoring instruments |
| CN114383986A (en) * | 2021-12-24 | 2022-04-22 | 徐州优盛农业科技发展有限公司 | Engineering construction is with negative oxygen ion capture sediment can go into lung particulate matter monitoring devices |
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| JPS6255549A (en) * | 1985-09-05 | 1987-03-11 | Aloka Co Ltd | Beta rays absorption type continuous floating dust measuring apparatus |
| CN1808095A (en) * | 2005-01-21 | 2006-07-26 | 清华大学 | Multi-channel PM2.5 particle sampler |
| CN101101256A (en) * | 2007-07-03 | 2008-01-09 | 武汉市天虹仪表有限责任公司 | Beta-ray soot concentration direct-reading monitor and method for determining effective sample |
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| CN104007048A (en) * | 2014-06-06 | 2014-08-27 | 北京中晟泰科环境科技发展有限责任公司 | Stepping type particulate matter monitor utilizing Beta ray method |
| CN204177709U (en) * | 2014-11-05 | 2015-02-25 | 青岛众瑞智能仪器有限公司 | A kind of PM2.5 concentration determination instrument improving Monitoring Data accuracy and filter paper utilization rate |
| CN205506629U (en) * | 2016-02-23 | 2016-08-24 | 中煤科工集团重庆研究院有限公司 | Filter paper translation device of beta - ray method monitoring of atmospheric particulates equipment |
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2016
- 2016-02-23 CN CN201610097195.5A patent/CN105738261B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6255549A (en) * | 1985-09-05 | 1987-03-11 | Aloka Co Ltd | Beta rays absorption type continuous floating dust measuring apparatus |
| CN1808095A (en) * | 2005-01-21 | 2006-07-26 | 清华大学 | Multi-channel PM2.5 particle sampler |
| CN101101256A (en) * | 2007-07-03 | 2008-01-09 | 武汉市天虹仪表有限责任公司 | Beta-ray soot concentration direct-reading monitor and method for determining effective sample |
| CN102004066A (en) * | 2010-10-26 | 2011-04-06 | 安徽蓝盾光电子股份有限公司 | Paper feeding device for beta ray-method PM10 online monitor |
| CN202330227U (en) * | 2011-12-01 | 2012-07-11 | 安徽蓝盾光电子股份有限公司 | Filter paper accurately-conveying device of atmospheric particulate matter PM10 concentration online monitor |
| CN104007048A (en) * | 2014-06-06 | 2014-08-27 | 北京中晟泰科环境科技发展有限责任公司 | Stepping type particulate matter monitor utilizing Beta ray method |
| CN204177709U (en) * | 2014-11-05 | 2015-02-25 | 青岛众瑞智能仪器有限公司 | A kind of PM2.5 concentration determination instrument improving Monitoring Data accuracy and filter paper utilization rate |
| CN205506629U (en) * | 2016-02-23 | 2016-08-24 | 中煤科工集团重庆研究院有限公司 | Filter paper translation device of beta - ray method monitoring of atmospheric particulates equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402172A (en) * | 2017-07-27 | 2017-11-28 | 中绿环保科技股份有限公司 | Automatic filter membrane clamping device in PM2.5 particle monitoring instruments |
| CN114383986A (en) * | 2021-12-24 | 2022-04-22 | 徐州优盛农业科技发展有限公司 | Engineering construction is with negative oxygen ion capture sediment can go into lung particulate matter monitoring devices |
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| CN105738261B (en) | 2018-12-11 |
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