CN105651660A - Quantitative paper moving device of Beta-ray method atmosphere particulate matter monitoring instrument - Google Patents
Quantitative paper moving device of Beta-ray method atmosphere particulate matter monitoring instrument Download PDFInfo
- Publication number
- CN105651660A CN105651660A CN201610099448.2A CN201610099448A CN105651660A CN 105651660 A CN105651660 A CN 105651660A CN 201610099448 A CN201610099448 A CN 201610099448A CN 105651660 A CN105651660 A CN 105651660A
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- China
- Prior art keywords
- pinch roller
- wheel
- rotary shaft
- rotating shaft
- particulate matter
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Classifications
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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 quantitative paper moving device of a Beta-ray method atmosphere particulate matter monitoring instrument. The quantitative paper moving device comprises a supporting structure, wherein an unwinding wheel and a winding wheel are mounted on the supporting structure side by side in the horizontal direction, a step motor is connected on the winding wheel, a rotary shaft and a pressing wheel are further mounted on the supporting structure, center lines of the rotary shaft and the pressing wheel are both parallel with the center line of the unwinding wheel, an encoder is mounted on the rotary shaft, and the pressing wheel tightly presses the rotary shaft downwards. The step motor is connected on the winding wheel, the rotary shaft and the pressing wheel which are parallel with the unwinding wheel are arranged on the supporting structure, the encoder is mounted on the rotary shaft, and the pressing wheel presses the rotary shaft downwards, so that filter paper passes from the position between the rotary shaft and the pressing wheel in the actual use process; when the winding wheel rotates and pulls the filter paper to move, the encoder on the rotary shaft can accurately monitor the movement distance of the filter paper due to the fact that the pressing wheel presses the rotary shaft in rotation, the rotation degree of the winding wheel is controlled in real time, and the movement distance of the filter paper can be controlled more accurately.
Description
Technical field
The invention belongs to air detection equipment technical field, specifically, particularly to the quantitative form feeding device of a kind of �� 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 ��m more, is trapped in bronchioles and alveolar less than 5 ��m 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: �� attenuation sensors, trace oscillating balance method and light scattering method. Wherein, the particulate matter in air is mainly attached on filter paper by �� attenuation sensors, then measures the loss after this filter paper of the �� ray, thus calculating the mass concentration of particulate matter. Its concrete measurement process is: the P1 point blank filter paper specified being placed between �� 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 �� 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.
At present, one-shot measurement terminates the paper feed of rear filter paper and rotates realization mainly through take-up pulley, in order to the paper feed making filter paper is more accurate, the patent of invention that application number is " 201010520126.3 " discloses " a kind of �� ray method PM10 on-line computing model form feeding device ", the main rotational angle adopting claw-pole motor controls the paper feed amount of filter paper, but this form feeding device is quantitatively still accurate not.
Summary of the invention
The technical problem to be solved is in that to provide the quantitative form feeding device of a kind of ray method atmosphere particulate matter monitoring instrument of �� more accurately.
Technical scheme is as follows: the quantitative form feeding device of a kind of �� 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 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.
The present invention by connecting motor on take-up pulley, the rotating shaft parallel with putting belt wheel and pinch roller are set on the support structure, and encoder is installed in rotating shaft, and make the downward clamping shaft of pinch roller, in actually used process, filter paper passes between rotating shaft and pinch roller, when take-up pulley rotates and pulls filter paper paper feed, due to the compression of pinch roller, axis of rotation, the paper feed amount of filter paper accurately monitored by the encoder in rotating shaft, and controlling the amount of spin of take-up pulley in real time, the paper feed making filter paper is quantitatively more accurate.
Described supporting construction is made up of vertical installing plate, described in put belt wheel, take-up pulley, rotating shaft and pinch roller and be respectively positioned on the front side of installing plate, described motor and encoder are respectively positioned on 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.
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 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.
Beneficial effect: the present invention by connecting motor on take-up pulley, the rotating shaft parallel with putting belt wheel and pinch roller are set on the support structure, and encoder is installed in rotating shaft, and make the downward clamping shaft of pinch roller, thus providing the quantitative form feeding device of a kind of paper feed amount �� ray method atmosphere particulate matter monitoring instrument more accurately, there is the features such as be skillfully constructed, simple in construction, production is easy and production cost is low.
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: take-up pulley 1, installing plate 2, puts belt wheel 3, directive wheel 4, bearing pin 5, contiguous block 6, pinch roller 7, rotating shaft 8, motor 9, torsion spring 10, install axle 11 and encoder 12.
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, described supporting construction is made up of vertical installing plate 2, what be arranged side by side about being provided with in described supporting construction puts belt wheel 3 and take-up pulley 1, described put belt wheel 3 and take-up pulley 1 is respectively positioned on the front side of installing plate 2, and the centrage putting belt wheel 3 and take-up pulley 1 is parallel to each other. Being connected to motor 9 on described take-up pulley 1, described motor 9 is positioned at the rear side of installing plate 2. Described supporting construction is also equipped with rotating shaft 8 and pinch roller 7, described rotating shaft 8 and pinch roller 7 also are located at the front side of installing plate 2, the centrage of described rotating shaft 8 and pinch roller 7 all with the centerline parallel putting belt wheel 3, being provided with encoder 12 in described rotating shaft 8, described encoder 12 is positioned at the rear side of installing plate 2.
As depicted in figs. 1 and 2, described put be provided with above belt wheel 3 and take-up pulley 1 left and right two directive wheels 4, described directive wheel 4 is installed each through installing plate 2, the centrage of directive wheel 4 also with the centerline parallel putting belt wheel 3. Described rotating shaft 8 is positioned at the top putting the directive wheel 4 above belt wheel 3.
As shown in Figure 1, Figure 2 and Figure 3, described pinch roller 7 is installed on the support structure by installing axle 11, contiguous block 6, bearing pin 5 and torsion spring 10, described bearing pin 5 is arranged in parallel with rotating shaft 8, bearing pin 5 is set with torsion spring 10 and contiguous block 6, the installation axle 11 parallel with rotating shaft 8 it is equipped with near one end of rotating shaft 8 at described contiguous block 6, described installation axle 11 is set with pinch roller 7, under the effect of torsion spring 10, the described downward clamping shaft 8 of pinch roller 7.Described installing plate 2 has the breach of stepping down of rectangle, described in breach of stepping down putting the back upper place of position between belt wheel 3 and take-up pulley 1.
Claims (5)
1. the quantitative form feeding device of a �� 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: 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.
2. the quantitative form feeding device of �� ray method atmosphere particulate matter monitoring instrument according to claim 1, it is characterized in that: described supporting construction is made up of vertical installing plate, described belt wheel, take-up pulley, rotating shaft and the pinch roller put is respectively positioned on the front side of installing plate, and described motor and encoder are respectively positioned on the rear side of installing plate.
3. the quantitative form feeding device of �� ray method atmosphere particulate matter monitoring instrument according to claim 2, 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.
4. the quantitative form feeding device of �� ray method atmosphere particulate matter monitoring instrument according to claim 1, 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.
5. the quantitative form feeding device of �� ray method atmosphere particulate matter monitoring instrument according to claim 1 or 2 or 3 or 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099448.2A CN105651660A (en) | 2016-02-23 | 2016-02-23 | Quantitative paper moving device of Beta-ray method atmosphere particulate matter monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099448.2A CN105651660A (en) | 2016-02-23 | 2016-02-23 | Quantitative paper moving device of Beta-ray method atmosphere particulate matter monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105651660A true CN105651660A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610099448.2A Pending CN105651660A (en) | 2016-02-23 | 2016-02-23 | Quantitative paper moving device of Beta-ray method atmosphere particulate matter monitoring instrument |
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| CN (1) | CN105651660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008745A (en) * | 2021-02-25 | 2021-06-22 | 德航（天津）智能科技有限公司 | Raise dust on-line monitoring device with binary channels beta ray |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202330228U (en) * | 2011-12-05 | 2012-07-11 | 安徽蓝盾光电子股份有限公司 | Filter paper tensioning device for on-line PM10 monitoring instrument |
| CN202548040U (en) * | 2011-12-14 | 2012-11-21 | 河北先河环保科技股份有限公司 | Automatic particle monitoring instrument |
| 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 |
| 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 |
| CN204389345U (en) * | 2014-12-31 | 2015-06-10 | 江苏天瑞仪器股份有限公司 | A kind of multifunction atmospheric particle pick-up unit |
-
2016
- 2016-02-23 CN CN201610099448.2A patent/CN105651660A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202330228U (en) * | 2011-12-05 | 2012-07-11 | 安徽蓝盾光电子股份有限公司 | Filter paper tensioning device for on-line PM10 monitoring instrument |
| CN202548040U (en) * | 2011-12-14 | 2012-11-21 | 河北先河环保科技股份有限公司 | Automatic particle monitoring instrument |
| 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 |
| 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 |
| CN204389345U (en) * | 2014-12-31 | 2015-06-10 | 江苏天瑞仪器股份有限公司 | A kind of multifunction atmospheric particle pick-up unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008745A (en) * | 2021-02-25 | 2021-06-22 | 德航（天津）智能科技有限公司 | Raise dust on-line monitoring device with binary channels beta ray |
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| CB03 | Change of inventor or designer information |
Inventor after: Gong Xiaobing Inventor after: Li Dingfu Inventor after: Liu Kui Inventor after: Liu Tao Inventor after: Jiang Yunguo Inventor after: Guo Zhenxin Inventor after: Li Hao Inventor after: Guo Shengjun Inventor after: Liang Aichun Inventor after: Li Dewen Inventor after: Zhao Zheng Inventor after: Hui Lifeng Inventor after: Zhao Zhongtai Inventor after: Wu Fuxiang Inventor after: Wu Liang Inventor before: Gong Xiaobing Inventor before: Li Dingfu Inventor before: Liu Kui Inventor before: Liu Tao Inventor before: Jiang Yunguo Inventor before: Guo Zhenxin Inventor before: Li Hao Inventor before: Guo Shengjun Inventor before: Liang Aichun Inventor before: Li Dewen Inventor before: Zhao Zheng Inventor before: Hui Lifeng Inventor before: Zhao Zhongtai Inventor before: Wu Fuxiang Inventor before: Wu Liang |
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| COR | Change of bibliographic data | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160608 |
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| WD01 | Invention patent application deemed withdrawn after publication |