CN204142614U - A kind of modular transportable PM2.5 sampling and analyzing device - Google Patents
A kind of modular transportable PM2.5 sampling and analyzing device Download PDFInfo
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- CN204142614U CN204142614U CN201420654375.5U CN201420654375U CN204142614U CN 204142614 U CN204142614 U CN 204142614U CN 201420654375 U CN201420654375 U CN 201420654375U CN 204142614 U CN204142614 U CN 204142614U
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Abstract
The utility model discloses a kind of modular transportable PM2.5 sampling and analyzing device, comprise main frame and be arranged on PM2.5 sampling head, Temperature Humidity Sensor, the modularization filter membrane component on main frame; Described main frame comprises the sampling head holder, heating module, filter paper hold-down mechanism, draft tube, the air inlet coupling assembling that connect successively, be positioned at the filter paper support platform, receiver seat, the radiographic source receiver that connect successively below air inlet coupling assembling, be positioned at the paper feed assembly of filter paper support platform both sides; Described modularization filter membrane component is arranged in filter paper support platform.The utility model modularization filter membrane component coordinates with main frame, namely can be used for the online direct-reading of PM2.5, also weight method can be used to weigh PM2.5 concentration, simultaneously sample can be taken back laboratory and carry out further constituent analysis, instrument entirety is easy to carry, testing cost is low, simple to operate, labor workload is little, Real-Time Monitoring efficiency is high, can contrast data multiplexed analyses.
Description
Technical field
The present invention relates to a kind of PM2.5 sampling analysis equipment, particularly relate to a kind of modular transportable PM2.5 sampling and analyzing device.
Background technology
Domestic and international PM2.5 sampling analysis device category mainly contains and utilizes filter membrane weight method equipment and utilize β ray analysis equipment now, filter membrane weight method is basic skills, β ray analysis is indirect method, filter membrane weight method needs under lab to weigh with high sensibility reciprocal balance, is not suitable for Site Detection.β ray analysis is online direct-reading, is applicable to on-line monitoring and Site Detection.PM2.5 detecting instrument based on β ray analysis is that the method needing to weigh with filter membrane is traced to the source and demarcates, and secondly existing β rays method measures the instrument of PM2.5 is all adopt paper tape filter membrane, and automatically replaceable sampled point, can work long hours unmanned.But paper tape is single use, and be inconvenient to preserve and transport.And filter membrane can reclaim by filter membrane weight method and carry out the chemical composition analysis follow-up to PM2.5, two kinds of methods respectively have relative merits, and these two kinds of instruments can be analyzed the concentration of PM2.5 separately respectively, but in actual use, these two kinds of methods all need to use.The cycle so just making the cost of environmental monitoring improve and to monitor is elongated, causes simultaneously and carries the shortcomings such as inconvenience when going out monitoring.Filter membrane weight method preliminary preparation is more loaded down with trivial details, and labor workload is large, and the reading of the direct-reading data and the weight method in later stage that cannot obtain β ray analysis after having sampled contrasts, and performance is single, affects Real-Time Monitoring efficiency.
Summary of the invention
The object of the invention is to solve deficiency of the prior art, a kind of modular transportable PM2.5 sampling and analyzing device is provided.
To achieve these goals, the technical solution adopted is in the present invention: a kind of modular transportable PM2.5 sampling and analyzing device, comprises main frame and is arranged on PM2.5 sampling head, Temperature Humidity Sensor, the modularization filter membrane component on main frame; Described main frame comprises the sampling head holder, heating module, filter paper hold-down mechanism, draft tube, the air inlet coupling assembling that connect successively, be positioned at the filter paper support platform, receiver seat, the radiographic source receiver that connect successively below air inlet coupling assembling, be positioned at the paper feed assembly of filter paper support platform both sides; Described modularization filter membrane component is arranged in filter paper support platform.
Further, described paper feed assembly comprises with tape feed roller, follower, the tensioner supporting roller of paper tape connection, puts belt wheel.
Further, also three-legged support is provided with under described main frame.
Further, described Temperature Humidity Sensor is provided with rain cover.
Further, described modularization filter membrane component is made up of disposable filter membrane clip, fixed pressure ring, filter paper, disposable filter membrane clip one end is with rectangular recess, centre is conical boss, in boss, arrange cylindrical groove, and this cylindrical groove is evenly equipped with 4 dismounting mouths, in cylindrical groove, cross-hole is set, fixed pressure ring is torus, and torus endoporus is identical with the internal diameter of cross-hole, torus endoporus is arranged a chamfering inclined-plane.
Further, described disposable filter membrane clip and fixed pressure ring material adopt PPS.
Further, main fixed head is also provided with in described main frame.
The invention has the beneficial effects as follows: modularization filter membrane component coordinates with main frame, namely can be used for the online direct-reading of PM2.5, also weight method can be used to weigh PM2.5 concentration, simultaneously sample can be taken back laboratory and carry out further constituent analysis, instrument entirety is easy to carry, testing cost is low, simple to operate, labor workload is little, Real-Time Monitoring efficiency is high, can contrast data multiplexed analyses.
accompanying drawing illustrates:
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Fig. 1 is disposable module filter membrane component exploded view of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is host structure chart of the present invention.
In figure: 1, disposable filter membrane clip, 2, fixed pressure ring, 3, filter paper, 4, PM2.5 sampling head, 5, Temperature Humidity Sensor, 6, main frame, 7, three-legged support, 8, sampling head holder, 9, heating module, 10, main fixed head, 11, filter paper hold-down mechanism, 12, draft tube, 13, air inlet coupling assembling, 14, follower, 15, tape feed roller, 16, receiver seat, 17, radiographic source receiver, 18, put belt wheel, 19, paper tape, 20, tensioner supporting roller, 21, filter paper support platform.
Embodiment
A kind of modular transportable PM2.5 sampling and analyzing device as shown in Figure 1, 2, 3, the PM2.5 sampling head 4, Temperature Humidity Sensor 5, the modularization filter membrane component that comprise main frame 6 and be arranged on main frame; Described main frame 6 comprises the sampling head holder 8, heating module 9, filter paper hold-down mechanism 11, draft tube 12, the air inlet coupling assembling 13 that connect successively, be positioned at the filter paper support platform 21, receiver seat 16, the radiographic source receiver 17 that connect successively below air inlet coupling assembling 13, be positioned at the paper feed assembly of filter paper support platform 21 both sides; Described modularization filter membrane component is arranged in filter paper support platform 21.
Described paper feed assembly comprises with tape feed roller 15, follower 14, the tensioner supporting roller 20 of paper tape 19 connection, puts belt wheel 18.
Described main frame is also provided with three-legged support 76 times.
Described Temperature Humidity Sensor 5 is provided with rain cover.
Described modularization filter membrane component is made up of disposable filter membrane clip 1, fixed pressure ring 2, filter paper 3, disposable filter membrane clip 1 one end is with rectangular recess, centre is conical boss, in boss, cylindrical groove is set, this cylindrical groove is evenly equipped with 4 dismounting mouths, and in cylindrical groove, arrange cross-hole, fixed pressure ring 2 is torus, torus endoporus is identical with the internal diameter of cross-hole, torus endoporus is arranged a chamfering inclined-plane.
Described disposable filter membrane clip 1 and fixed pressure ring 2 material adopt PPS.
Main fixed head 10 is also provided with in described main frame 6.
The structure of disposable filter membrane clip 1 be one end with rectangular recess, this groove can improve two ends bayonet lock positioning precision in use; Be conical boss in the middle of filter membrane clip, in boss, have a cylindrical groove, on this cylindrical groove, be evenly equipped with 4 simultaneously dismantle mouths, facilitate picking and placeing of fixed pressure ring 2 and filter paper 3; In cylindrical groove, have cross-hole, through hole is that air-flow passes through from this in use, and cross connection rib plays the effect supporting filter paper 3.The one-piece construction of fixed pressure ring 2 is a torus, and annulus endoporus is identical with the internal diameter of cross-hole, annulus endoporus has a chamfering inclined-plane, so as when to sample and instrument closely cooperate and reach seal request.Disposable filter membrane clip 1 and fixed pressure ring 2 adopt material to be PPS, and mold is produced in batches, save cost, lightweight, also recyclable like this.Filter paper 3 adopts the glass fibre material of national standard, and diameter is 20mm.The cylindrical groove of disposable filter membrane clip 1 and fixed pressure ring 2 closely cooperate and to be compressed by filter paper, and be combined as a filter membrane component module, this module through constant temperature and humidity process, then is weighed, and is finally kept in sealing bag and puts on weight.
Main frame 6 arranges rainproof assembly by the aluminium material shell, Temperature Humidity Sensor 5 of hardening oxidation process.Internal monitoring system is by the main fixed head 10 be fixed on host housing and the sampling head holder 8 be fixed on successively on main fixed head 10, heating module 9, filter paper hold-down mechanism 11, draft tube 12, air inlet coupling assembling 13, filter paper support platform 21, follower 14, tensioner supporting roller 20, tape feed roller 15, put belt wheel 18, filter paper 19, receiver seat 16 and the radiographic source receiver 17 be fixed on receiver seat, also has the air pump at main fixed head 10 back side, central processing unit, orifice flowmeter, slot type sensor, the composition such as GSM transmitter module (prior art, do not describe) more.PM2.5 sampling head 4, according to national standard design processing, is combined by TSP, PM10, PM2.5 whirlwind cutter and is assembled.Three-legged support 7 is by the aluminum pipe of different-diameter and sheet metal Combination Welding, surface hard oxidation processes, improves surface quality and hardness.
Principle of work: when carrying out β rays method PM2.5 on-line analysis, untapped entire volume filter paper 19 is placed on belt wheel 18, its beginning, through tensioner supporting roller 20, follower 14 and filter paper support platform 21, is bonded on the rolling wheel of tape feed roller 15 by the beginning of filter paper 19.Control panel is pressed the automatic sampling analysis of β rays method, and instrument just carries out sampling and draws real-time PM2.5 concentration data simultaneously.
When carrying out weight method filter paper, the walk belt wheel of entire volume filter paper 19 from β rays method PM2.5 concentration determination instrument is taken off, weighted disposable module filter membrane component is taken out from sealing bag to be placed in filter paper support platform 21, two bayonet locks of filter membrane clip 1 are stuck in the locating slot of main fixed head 10, have slot type sensor detection filter membrane clip 1 to install in two locating slots whether to put in place, if instrument sends " ticking " sound, illustrate and be in place, sampling can be carried out arrange, otherwise then need to regulate.After installation, control panel is arranged on weight method sampling, sets the sampling time, press the startup of start button air pump and start sampling.When sampling, air-flow is through PM2.5 sampling head 4, heating system 9, draft tube 12, air inlet coupling assembling 13, disposable module filter membrane clip 1, filter paper support platform 21, receiver seat 16, switching mouth, orifice flowmeter and air pump.Diameter in air-flow is less than or equal to the particle detention of 2.5 μm on filter paper by the filter paper 3 in disposable module filter membrane component, after the time-sampling of setting completes, take off disposable module filter membrane component puts in sealing bag, taken back laboratory and carried out constant temperature and humidity process, weigh, draw PM2.5 concentration with the weight comparing calculation before sampling.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and those skilled in the art, to the change made in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (7)
1. a modular transportable PM2.5 sampling and analyzing device, comprises main frame (6), it is characterized in that: also comprise the PM2.5 sampling head (4) be arranged on main frame, Temperature Humidity Sensor (5), modularization filter membrane component; Described main frame (6) comprises the sampling head holder (8), heating module (9), filter paper hold-down mechanism (11), draft tube (12), the air inlet coupling assembling (13) that connect successively, be positioned at filter paper support platform (21), receiver seat (16), radiographic source receiver (17) that air inlet coupling assembling (13) below connects successively, be positioned at the paper feed assembly of filter paper support platform (21) both sides; Described modularization filter membrane component is arranged in filter paper support platform (21).
2. modular transportable PM2.5 sampling and analyzing device according to claim 1, is characterized in that: described paper feed assembly comprise connect with paper tape (19) tape feed roller (15), follower (14), tensioner supporting roller (20), put belt wheel (18).
3. modular transportable PM2.5 sampling and analyzing device according to claim 1, is characterized in that: be also provided with three-legged support (7) under described main frame (6).
4. modular transportable PM2.5 sampling and analyzing device according to claim 1, is characterized in that: (5) are provided with rain cover to described Temperature Humidity Sensor.
5. modular transportable PM2.5 sampling and analyzing device according to claim 1, it is characterized in that: described modularization filter membrane component is made up of disposable filter membrane clip (1), fixed pressure ring (2), filter paper (3), disposable filter membrane clip (1) one end is with rectangular recess, centre is conical boss, in boss, cylindrical groove is set, this cylindrical groove is evenly equipped with 4 dismounting mouths, in cylindrical groove, cross-hole is set, fixed pressure ring (2) is torus, torus endoporus is identical with the internal diameter of cross-hole, torus endoporus is arranged a chamfering inclined-plane.
6. modular transportable PM2.5 sampling and analyzing device according to claim 5, is characterized in that: described disposable filter membrane clip (1) and fixed pressure ring (2) material adopt PPS.
7. modular transportable PM2.5 sampling and analyzing device according to claim 1, is characterized in that: be also provided with main fixed head (10) in described main frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654375.5U CN204142614U (en) | 2014-11-05 | 2014-11-05 | A kind of modular transportable PM2.5 sampling and analyzing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654375.5U CN204142614U (en) | 2014-11-05 | 2014-11-05 | A kind of modular transportable PM2.5 sampling and analyzing device |
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| Publication Number | Publication Date |
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| CN204142614U true CN204142614U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420654375.5U Withdrawn - After Issue CN204142614U (en) | 2014-11-05 | 2014-11-05 | A kind of modular transportable PM2.5 sampling and analyzing device |
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| CN (1) | CN204142614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330342A (en) * | 2014-11-05 | 2015-02-04 | 青岛众瑞智能仪器有限公司 | Combined portable PM2.5 sampling analysis device |
-
2014
- 2014-11-05 CN CN201420654375.5U patent/CN204142614U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330342A (en) * | 2014-11-05 | 2015-02-04 | 青岛众瑞智能仪器有限公司 | Combined portable PM2.5 sampling analysis device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150204 Effective date of abandoning: 20170721 |