CN204330422U - Based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method - Google Patents
Based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method Download PDFInfo
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- CN204330422U CN204330422U CN201420836907.7U CN201420836907U CN204330422U CN 204330422 U CN204330422 U CN 204330422U CN 201420836907 U CN201420836907 U CN 201420836907U CN 204330422 U CN204330422 U CN 204330422U
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- atmospheric particulates
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Abstract
The utility model discloses the sampling of a kind of Atmospheric particulates based on β rays method and the same lane device of measurement of concetration, object is to solve the existing measurement mechanism for β attenuation sensors at present and adopts sampling and measurement 2 devices be separated, it is in the transport process of sampling filter membrane, inevitably produce filter membrane shake, affect the accuracy of measurement result, real-time online measuring cannot be carried out, baroque problem simultaneously.It comprises housing, electromagnet, magnetic jacking gear, paper tape pressing circle, air inlet pipeline, deflection cone, radioactive source, outlet pipe, paper tape conveyer, ray detector.The utility model can realize the real-time online measuring of Atmospheric particulates (PM10, PM5, PM2.5, PM1 etc.) concentration, effectively solves existing measurement mechanism Problems existing, reduces measuring error.The utility model is skillfully constructed, reasonable in design, effectively can reduce the volume of device, have the advantage of compact structure, compact, relative to prior art, has significant progress.
Description
Technical field
The utility model relates to fields of measurement, is specially the sampling of a kind of Atmospheric particulates based on β rays method and the same lane device of measurement of concetration.The utility model can carry out real-time online measuring to particulate in air (PM10, PM5, PM2.5, PM1 etc.), has the advantage that volume is little, measuring error is low.
Background technology
β attenuation sensors is a kind of method that is comparatively common, that measure for Atmospheric particulates mass concentration.At present, for the measurement mechanism of β attenuation sensors, adopt samples and measurement 2 devices be separated more.Namely first complete the collection of particulate in air at sampling spot, then by conveyer, sampling filter membrane is moved to measurement point, measure.
There is following shortcoming in this metering system:
1) two point form measurement mechanism is in the transport process of sampling filter membrane, inevitably produces filter membrane shake, affects in filter membrane the homogeneity gathering Particle distribution thus, thus bring inaccuracy to final measurement;
2) two point form measurement mechanism being separated due to sampling spot and measurement, this working method measured afterwards that first samples is that the Real-Time Monitoring of particle concentration brings difficulty, the measurement data of online acquisition particle concentration that cannot be real-time;
3) existing two point form measurement mechanism needs to move around filter-paper-tape at sampling spot and measurement point, at least needs the motor alternate transmission of two, front and back, therefore, causes measurement mechanism complex structure.
For foregoing problems, in the urgent need to a kind of new device, to solve the problem.
Utility model content
Goal of the invention of the present utility model is: sample and measurement 2 devices be separated for the existing employing of the measurement mechanism for β attenuation sensors at present, it is in the transport process of sampling filter membrane, inevitably produce filter membrane shake, affect the accuracy of measurement result, real-time online measuring cannot be carried out simultaneously, baroque problem, provides a kind of Atmospheric particulates based on β rays method to sample and the same lane device of measurement of concetration.The utility model can realize the real-time online measuring of Atmospheric particulates (PM10, PM5, PM2.5, PM1 etc.) concentration, effectively solves existing measurement mechanism Problems existing, reduces measuring error.The utility model is skillfully constructed, reasonable in design, effectively can reduce the volume of device, have the advantage of compact structure, compact, relative to prior art, has significant progress.
To achieve these goals, the utility model adopts following technical scheme:
Based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, comprise housing, the electromagnet that the relative inner walls of energy moves up and down, the magnetic jacking gear matched with electromagnet, the paper tape pressing circle be connected with magnetic jacking gear, be arranged on the air inlet pipeline on housing, deflection cone, radioactive source, be arranged on the outlet pipe on housing, for transmitting the paper tape conveyer of paper tape, for detecting the ray detector of radioactive source signal, the paper tape groove of placing paper tape is formed between described radioactive source and ray detector, described paper tape groove matches with paper tape conveyer,
Be provided with cavity in described paper tape pressing circle, described deflection cone, radioactive source lay respectively in cavity, and described radioactive source is between deflection cone, ray detector;
Form the first space between described deflection cone and cavity, described air inlet pipeline, the first space, outlet pipe are communicated with successively and form into sample output passage.
Described paper tape conveyer comprises motor driving wheel, engaged wheel, and described motor driving wheel is connected by paper tape with between engaged wheel.
Described housing tip is provided with draw-in groove, and described electromagnet can be fastened in draw-in groove.
Described magnetic jacking gear comprises the electromagnetism adhesive sheet, the connecting link that match with electromagnet, and described electromagnetism adhesive sheet is connected with paper tape pressing circle by connecting link.
Be provided with location-plate in described housing, described connecting link passes location-plate and connecting link energy relative positioning plate moves up and down.
Also comprise the spring be arranged on connecting link, described spring is between location-plate and paper tape pressing circle.
Described connecting link is distributed on electromagnetism adhesive sheet.
Described connecting link is at least one.
Described connecting link is four.
Described electromagnetism adhesive sheet is flexibly connected or is fixedly connected with adopting between connecting link.
Described electromagnetism adhesive sheet adopts ferrimagnet to be prepared from.
Described deflection cone comprises cone, is arranged on the right cylinder of underlying vertebral body.
For foregoing problems, the utility model provides a kind of Atmospheric particulates based on β rays method to sample and the same lane device of measurement of concetration.It comprises housing, can relatively inner walls move up and down electromagnet, the magnetic jacking gear matched with electromagnet, the paper tape pressing circle be connected with magnetic jacking gear, the air inlet pipeline be arranged on housing, deflection cone, radioactive source, the outlet pipe be arranged on housing, for transmit paper tape paper tape conveyer, for detecting the ray detector of radioactive source signal.In the utility model, be provided with cavity in paper tape pressing circle, deflection cone, radioactive source lay respectively in cavity, form the first space between deflection cone and cavity, air inlet pipeline, outlet pipe lay respectively on housing, and air inlet pipeline, the first space, outlet pipe are communicated with successively and form into sample output passage.Radioactive source is between deflection cone, ray detector, and form the paper tape groove of placing paper tape between radioactive source and ray detector, paper tape groove matches with paper tape conveyer.During utility model works, air enters in the first space by air inlet pipeline, under the effect of deflection cone, gas enters on the paper tape of paper tape groove, under the effect of radioactive source, by the cooperation of ray detector, thus realize the real-time detection of Atmospheric particulates, the gas after detection is then discharged by outlet pipe.By paper tape conveyer and radioactive source, the cooperatively interacting of ray detector, the real-time online that can realize Atmospheric particulates detects.Simultaneously, in the utility model, be provided with electromagnet, magnetic jacking gear, paper tape pressing circle, paper tape pressing circle is connected with magnetic jacking gear, by coordinating of electromagnet and magnetic jacking gear, the lifting of paper tape pressing circle can be realized, simplify the operation of system, reduce personal error, ensure the accuracy of measurement result.Meanwhile, be provided with deflection cone in the utility model, it can ensure the accuracy of measurement result.If do not adopt deflection cone, Atmospheric particulates can be attached directly on radioactive source, affect the accuracy of measurement result; If substituted by deflection cone of the present utility model flat board, flat board can dam particle, also can affect the accuracy of measurement result.
Further, paper tape conveyer comprises motor driving wheel, engaged wheel, is connected between motor driving wheel with engaged wheel by paper tape.Housing tip is provided with draw-in groove, and electromagnet can be fastened in draw-in groove, electromagnet can be made accurately to locate by draw-in groove, simplifies overall contour structures simultaneously.Magnetic jacking gear comprises the electromagnetism adhesive sheet, the connecting link that match with electromagnet, and electromagnetism adhesive sheet is connected with paper tape pressing circle by connecting link.Be provided with location-plate in housing, connecting link passes location-plate and connecting link energy relative positioning plate moves up and down, and connecting link is distributed on electromagnetism adhesive sheet.By this structure, location-plate can play positioning action to connecting link, ensures the stability of overall operation.
Further, also comprise the spring be arranged on connecting link, spring is between location-plate and paper tape pressing circle.Adopt this structure, when paper tape pressing circle rises, it can produce larger restoring force to paper tape pressing circle, thus is conducive to paper tape pressing circle and gets back to initial position; When paper tape pressing circle compresses paper tape, it provides downward pressure, thus makes paper tape pressing.Further, deflection cone comprises cone, is arranged on the right cylinder of underlying vertebral body, and deflection cone can play fixing radioactive source, and guides the effect of air flow direction.
During utility model works, comprise and change filter paper, sampling and measuring two processes.
Change filter paper process: change paper tape if need before sampling, electromagnet is energized, and by the electromagnetism adhesive sheet adhesive that paper tape pressing circle links, thus paper tape pressing circle is separated, for passage is opened in the transmission of paper tape with paper tape (or claiming filter-paper-tape); Motor driving wheel rotates, and drives filter-paper-tape transmission, completes the replacing of filter-paper-tape.In this process, spring is in impaction state, and elastic force increases.After replacing completes, electromagnet keeps off-position, and spring by under paper tape pressing circle bullet by the elastic force of impaction state before, makes paper tape pressing circle compress filter-paper-tape, thus makes the gas circuit of measurement mechanism remain air-tight state.
Sampling and measuring process: air-flow enters in the first space through air inlet pipeline, is guided to filter-paper-tape by deflection cone, after filter-paper-tape completes the collection of particle, tail gas flows out through outlet pipe through filter-paper-tape.By radioactive source, the cooperatively interacting of ray detector, thus the real-time online realizing Atmospheric particulates detects.
In the utility model, without the need to moving the filter-paper-tape containing particle, can realize detecting, effectively prevent because the measuring error caused shaken by filter paper; Meanwhile, the utility model can realize real-time online and detect, and easy to operate, precision is high; Meanwhile, the utility model effectively simplifies the one-piece construction of device, for reduction equipment cost, significant.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
(1) in the utility model, sampling adopts same channel architecture with measurement, decreases sampling filter membrane (filter-paper-tape) and transmits the measuring error brought;
(2) the utility model achieves the real time on-line monitoring of particle concentration;
(3) the utility model only needs a motor to complete the replacing of filter membrane, and changes two point form device into one-point type device, simplifies device, reduces apparatus structure size, reduce the production cost of equipment, simplify operation, have great importance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark in figure: 1 is electromagnet, and 2 is electromagnetism adhesive sheet, and 3 is connecting link, and 4 is spring, and 5 is air inlet pipeline, 6 is deflection cone, and 7 is radioactive source, and 8 is paper tape pressing circle, and 9 is filter-paper-tape, 10 is motor driving wheel, and 11 is outlet pipe, and 12 is ray detector, and 13 is engaged wheel.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1
As shown in the figure, the utility model comprises housing, the relative inner walls of energy moves up and down electromagnet, magnetic jacking gear, paper tape pressing circle, air inlet pipeline, deflection cone, radioactive source, outlet pipe, paper tape conveyer, ray detector, the paper tape groove of placing paper tape is formed between radioactive source and ray detector, paper tape groove matches with paper tape conveyer, is realized the replacing of measurement filter paper bag by paper tape conveyer.Housing tip is provided with draw-in groove, and electromagnet can be fastened in draw-in groove.In the present embodiment, magnetic jacking gear electromagnetism adhesive sheet, connecting link, electromagnetism adhesive sheet to be positioned at below electromagnet and not to be connected, and electromagnetism adhesive sheet is connected with paper tape pressing circle by connecting link.Also be provided with location-plate in housing, connecting link passes location-plate and connecting link energy relative positioning plate moves up and down.Connecting link is also provided with spring, and spring is between location-plate and paper tape pressing circle.Cavity is provided with in paper tape pressing circle, deflection cone, radioactive source lay respectively in cavity, radioactive source between deflection cone, ray detector, in the present embodiment, deflection cone comprises cone, is arranged on the right cylinder of underlying vertebral body, and cone and right cylinder adopt one-body molded.Air inlet pipeline, outlet pipe are separately positioned on housing, form the first space between deflection cone and cavity, and air inlet pipeline, the first space, outlet pipe are communicated with successively and form into sample output passage.In the present embodiment, paper tape conveyer comprises motor driving wheel, engaged wheel, is connected between motor driving wheel with engaged wheel by paper tape.
During utility model works, comprise and change filter paper, sampling and measuring two processes.When filter paper changed by needs, electromagnet is energized, and by the electromagnetism adhesive sheet adhesive that paper tape pressing circle links, thus paper tape pressing circle is separated, for passage is opened in the transmission of paper tape with filter-paper-tape; Motor driving wheel rotates, and drives filter-paper-tape transmission, completes the replacing of filter-paper-tape.After replacing completes, electromagnet keeps off-position, and spring by under paper tape pressing circle bullet by the elastic force of impaction state before, makes paper tape pressing circle compress filter-paper-tape, thus makes the gas circuit of measurement mechanism remain air-tight state.During measurement, air-flow enters in the first space through air inlet pipeline, is guided to filter-paper-tape by deflection cone, and after filter-paper-tape completes the collection of particle, tail gas flows out through outlet pipe through filter-paper-tape.By radioactive source, the cooperatively interacting of ray detector, thus the real-time online realizing Atmospheric particulates detects.
In this process, the filter-paper-tape containing particle needs mobile, thus avoids because shaking the measuring error caused, and only adopts a motor can complete the replacing of filter-paper-tape simultaneously, effectively reduces apparatus structure size.The real-time online that the utility model can realize Atmospheric particulates detects, and has important progressive meaning.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, it is characterized in that, comprise housing, the electromagnet that the relative inner walls of energy moves up and down, the magnetic jacking gear matched with electromagnet, the paper tape pressing circle be connected with magnetic jacking gear, be arranged on the air inlet pipeline on housing, deflection cone, radioactive source, be arranged on the outlet pipe on housing, for transmitting the paper tape conveyer of paper tape, for detecting the ray detector of radioactive source signal, the paper tape groove of placing paper tape is formed between described radioactive source and ray detector, described paper tape groove matches with paper tape conveyer,
Be provided with cavity in described paper tape pressing circle, described deflection cone, radioactive source lay respectively in cavity, and described radioactive source is between deflection cone, ray detector;
Form the first space between described deflection cone and cavity, described air inlet pipeline, the first space, outlet pipe are communicated with successively and form into sample output passage.
2., according to claim 1 based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, it is characterized in that, described paper tape conveyer comprises motor driving wheel, engaged wheel, and described motor driving wheel is connected by paper tape with between engaged wheel.
3., according to claim 1 based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, it is characterized in that, described housing tip is provided with draw-in groove, and described electromagnet can be fastened in draw-in groove.
4. sample and the same lane device of measurement of concetration based on the Atmospheric particulates of β rays method according to any one of claim 1-3, it is characterized in that, described magnetic jacking gear comprises the electromagnetism adhesive sheet, the connecting link that match with electromagnet, and described electromagnetism adhesive sheet is connected with paper tape pressing circle by connecting link.
5., according to claim 4 based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, it is characterized in that, be provided with location-plate in described housing, described connecting link passes location-plate and connecting link energy relative positioning plate moves up and down.
6., according to claim 5 based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, it is characterized in that, also comprise the spring be arranged on connecting link, described spring is between location-plate and paper tape pressing circle.
7., according to claim 4 based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, it is characterized in that, described connecting link is distributed on electromagnetism adhesive sheet.
8., according to claim 4 based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, it is characterized in that, described connecting link is at least one.
9., according to claim 8 based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method, it is characterized in that, described connecting link is four.
10. sample and the same lane device of measurement of concetration based on the Atmospheric particulates of β rays method according to any one of claim 1-3, it is characterized in that, described deflection cone comprises cone, is arranged on the right cylinder of underlying vertebral body.
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| CN201420836907.7U CN204330422U (en) | 2014-12-26 | 2014-12-26 | Based on Atmospheric particulates sampling and the same lane device of measurement of concetration of β rays method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092443A (en) * | 2015-06-08 | 2015-11-25 | 朱慧珑 | Particulate matter measuring device |
| CN105300856A (en) * | 2015-11-11 | 2016-02-03 | 上海理工大学 | Method for measuring particle concentration and sizes on basis of ultraphonic impedance spectrum |
| CN105866153A (en) * | 2016-03-31 | 2016-08-17 | 北方工业大学 | Atmosphere heavy metal detection system |
| CN106769741A (en) * | 2017-02-15 | 2017-05-31 | 江苏苏净集团有限公司 | A kind of particle concentration detection means and detection method |
| CN108535302A (en) * | 2018-03-26 | 2018-09-14 | 深圳市华唯计量技术开发有限公司 | A kind of air quality detecting device |
| CN110180270A (en) * | 2019-06-27 | 2019-08-30 | 软通智慧科技有限公司 | A kind of gas-filtering device of automatic replacement filter paper |
| CN110595845A (en) * | 2019-09-11 | 2019-12-20 | 深圳国技仪器有限公司 | Electromagnetic oscillation dust distribution and distribution device for testing atmosphere sampling equipment and testing device |
| CN111024573A (en) * | 2019-12-30 | 2020-04-17 | 安徽安光环境科技有限公司 | Sampling and detecting device of β ray method atmospheric particulates monitor |
-
2014
- 2014-12-26 CN CN201420836907.7U patent/CN204330422U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092443A (en) * | 2015-06-08 | 2015-11-25 | 朱慧珑 | Particulate matter measuring device |
| CN105092443B (en) * | 2015-06-08 | 2018-02-06 | 朱慧珑 | particulate matter measuring apparatus |
| CN105300856A (en) * | 2015-11-11 | 2016-02-03 | 上海理工大学 | Method for measuring particle concentration and sizes on basis of ultraphonic impedance spectrum |
| CN105300856B (en) * | 2015-11-11 | 2017-09-29 | 上海理工大学 | Based on ultrasonic impedances spectrum to granule density and the measuring method of size |
| CN105866153A (en) * | 2016-03-31 | 2016-08-17 | 北方工业大学 | Atmosphere heavy metal detection system |
| CN106769741A (en) * | 2017-02-15 | 2017-05-31 | 江苏苏净集团有限公司 | A kind of particle concentration detection means and detection method |
| CN106769741B (en) * | 2017-02-15 | 2024-03-08 | 江苏苏净集团有限公司 | Particulate matter concentration detection device and detection method |
| CN108535302A (en) * | 2018-03-26 | 2018-09-14 | 深圳市华唯计量技术开发有限公司 | A kind of air quality detecting device |
| CN110180270A (en) * | 2019-06-27 | 2019-08-30 | 软通智慧科技有限公司 | A kind of gas-filtering device of automatic replacement filter paper |
| CN110595845A (en) * | 2019-09-11 | 2019-12-20 | 深圳国技仪器有限公司 | Electromagnetic oscillation dust distribution and distribution device for testing atmosphere sampling equipment and testing device |
| CN111024573A (en) * | 2019-12-30 | 2020-04-17 | 安徽安光环境科技有限公司 | Sampling and detecting device of β ray method atmospheric particulates monitor |
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