CN207318295U - A kind of PM2.5 monitoring devices - Google Patents
A kind of PM2.5 monitoring devices Download PDFInfo
- Publication number
- CN207318295U CN207318295U CN201721243327.7U CN201721243327U CN207318295U CN 207318295 U CN207318295 U CN 207318295U CN 201721243327 U CN201721243327 U CN 201721243327U CN 207318295 U CN207318295 U CN 207318295U
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- China
- Prior art keywords
- monitoring device
- fixedly connected
- device shell
- inner cavity
- test chamber
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 63
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 239000000443 aerosol Substances 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of PM2.5 monitoring devices,Including monitoring device main body,The monitoring device main body includes monitoring device shell,The inner cavity left surface top of the monitoring device shell is fixedly connected with air-leg,Test chamber is fixedly connected with the right side of the inner cavity of the monitoring device shell,Detection contact is fixedly connected with above the inner cavity of the test chamber,The inner cavity of the test chamber is plugged with compression plug,The compression plug is hinged by the right end of pushing hands and air-leg,The middle part of the compression plug offers exhausting-gas hole,The inner cavity of the exhausting-gas hole is plugged with the first check valve,The right flank top of the monitoring device shell offers air admission hole,Aerosol generator is fixedly connected with the right side of the inner chamber bottom surface of the monitoring device shell,PM2.5 detectors are fixedly connected with the left of the inner chamber bottom surface of the monitoring device shell,By installing aerosol generator additional to monitoring device main body,Realize test chamber automatic cleaning function,The effect for reducing interference and reducing testing result error is reached.
Description
Technical field
Environmental monitoring technology field is the utility model is related to, is specially a kind of PM2.5 monitoring devices.
Background technology
At present, domestic PM2.5 detection devices quality is very different, can not in accurate evaluation surrounding air PM2.5 content,
To ensure PM2.5 monitoring data accurately and reliably, the U.S., Japan, European Union etc. have carried out detection method standardization and metering
Trace to the source Journal of Sex Research, but the outdoor location of domestic PM2.5 monitoring devices cannot accomplish automatic cleaning after detection once, cause next time
The pollution of horological device is examined, causes testing result inaccurate.
Utility model content
It is proposed in the above background technology to solve the purpose of this utility model is to provide a kind of PM2.5 monitoring devices
Problem.
To achieve the above object, the utility model provides following technical solution：A kind of PM2.5 monitoring devices, including monitoring
Apparatus main body, the monitoring device main body include monitoring device shell, and the inner cavity left surface top of the monitoring device shell is consolidated
Surely air-leg is connected with, the inner cavity right flank top of the monitoring device shell is fixedly connected with test chamber, the test chamber
Inner cavity upper bottom surface is fixedly connected with detection contact, and sliding slot is fixedly connected with the left of the inner cavity of the test chamber, the test chamber
Inner cavity is plugged with compression plug, and the compression plug is hinged by the right end of pushing hands and air-leg, and the middle part of the compression plug offers
Exhausting-gas hole, the inner cavity of the exhausting-gas hole are plugged with the first check valve, the right flank top of the monitoring device shell offer into
Stomata, and air admission hole is connected with test chamber, the inner cavity of the air admission hole is plugged with intake valve, the inner cavity of the monitoring device shell
Aerosol generator is fixedly connected with the right side of bottom surface, the upper surface of the aerosol generator is communicated with one end of delivery pipe, and
The other end of delivery pipe is connected with the lower surface of test chamber, and delivery pump is socketed with the middle part of the delivery pipe, the delivery pipe
Top is plugged with the second check valve, and the inner cavity right flank middle part of the monitoring device shell is fixedly connected with stepper motor, and walks
The output terminal of stepper motor is hinged with delivery pump, and PM2.5 detections are fixedly connected with the left of the inner chamber bottom surface of the monitoring device shell
Instrument, the inner chamber bottom surface middle part of the monitoring device shell are fixedly connected with battery, and battery and stepper motor and PM2.5 detectors
It is electrically connected.
Preferably, the inner chamber bottom surface of the monitoring device shell is fixedly connected with blow-off pipe, and the lower end of blow-off pipe is run through
The bottom surface of monitoring device shell.
Preferably, the sliding slot is U-type groove.
Preferably, the surface right end of the compression plug is socketed with sealing ring.
Compared with prior art, the beneficial effects of the utility model are：It is real by giving monitoring device main body increase checking chamber
Show and air sampling has been detected, reached the more accurate effect of testing result, by installing aerosol additional to monitoring device main body
Generator, realizes test chamber self-cleaning function, has reached the effect for reducing interference and reducing testing result error.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
In figure：1 monitoring device main body, 2 monitoring device shells, 3 air-legs, 4 test chambers, 5 detection contacts, 6 compression plugs, 7
Pushing hands, 8 exhausting-gas holes, 9 first check valves, 10 air admission holes, 11 intake valves, 12 aerosol generators, 13 delivery pipes, 14 delivery pumps,
15 second check valves, 16 stepper motors, 17PM2.5 detectors, 18 blow-off pipes, 19 sliding slots, 20 batteries, 21 sealing rings.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of PM2.5 monitoring devices, including monitoring device master
Body 1, the monitoring device main body 1 include monitoring device shell 2, and the inner cavity left surface top of the monitoring device shell 2 is fixed
Air-leg 3 is connected with, the inner cavity right flank top of the monitoring device shell 2 is fixedly connected with test chamber 4, the test chamber 4
Inner cavity upper bottom surface be fixedly connected with detection contact 5, be fixedly connected with sliding slot 19, the inspection on the left of the inner cavity of the test chamber 4
The inner cavity for surveying chamber 4 is plugged with compression plug 6, and the compression plug 6 is hinged by pushing hands 7 and the right end of air-leg 3, the compression plug 6
Middle part offer exhausting-gas hole 8, the inner cavity of the exhausting-gas hole 8 is plugged with the first check valve 9, the right side of the monitoring device shell 2
Side surface upper part offers air admission hole 10, and air admission hole 10 is connected with test chamber 4, and the inner cavity of the air admission hole 10 is plugged with intake valve
11, the inner chamber bottom surface right side of the monitoring device shell 2 is fixedly connected with aerosol generator 12, the aerosol generator 12
Upper surface be communicated with one end of delivery pipe 13, and the other end of delivery pipe 13 is connected with the lower surface of test chamber 4, the conveying
The middle part of pipe 13 is socketed with delivery pump 14, and the top of the delivery pipe 13 is plugged with the second check valve 15, outside the monitoring device
The inner cavity right flank middle part of shell 2 is fixedly connected with stepper motor 16, and the output terminal of stepper motor 16 and delivery pump 14 are hinged, institute
State and be fixedly connected with PM2.5 detectors 17, the inner cavity of the monitoring device shell 2 on the left of the inner chamber bottom surface of monitoring device shell 2
Battery 20 is fixedly connected with the middle part of bottom surface, and battery 20 is electrically connected with stepper motor 16 and PM2.5 detectors 17, by monitoring
1 increase checking chamber 4 of apparatus main body, realize to air sampling detect, reached the more accurate effect of testing result, by
Monitoring device main body 1 installs aerosol generator 12 additional, realizes 4 self-cleaning function of test chamber, has reached reduction interference and has reduced
The effect of testing result error.
Specifically, in order to make aerosol generator 12 after test chamber 4 has been cleaned, 9 row of the first check valve can be passed through
Going out used aerosol, the inner chamber bottom surface of the monitoring device shell 2 is fixedly connected with blow-off pipe 18, and under blow-off pipe 18
End is through the bottom surface of monitoring device shell 2.
Specifically, in order to enable the used aerosol discharged from the first check valve 9 to pass through blow-off pipe 18
Discharge, is not detained in monitoring device shell 2, the sliding slot 19 is U-type groove.
Specifically, in order to make that closed environment can be formed in test chamber 4, avoid influencing testing result, the compression plug 6
Surface right end be socketed with sealing ring 21.
Operation principle：The utility model is a kind of PM2.5 monitoring devices, and during work, battery 20 gives aerosol generator 12
Electric energy is provided, aerosol generator 12 produces aerosol, and battery 20 provides electric energy to stepper motor 16, and stepper motor 16 drives defeated
Send pump 14, delivery pump 14 from aerosol generator 12 extracts aerosol defeated by 13 and second check valve 15 of delivery pipe
It is sent in test chamber 4 and is cleaned, air-leg 3 promotes to the right pushing hands 7 and compression plug 6, being stained with the aerosol of impurity from first
Excluded in check valve, air-leg 3 drives compression plug 6 to reset, and aerosol is pushed into sliding slot 19 from test chamber 4, and falls into blowdown
Pipe 18, at the same time, gas flow into test chamber 4, PM2.5 detections because of the pressure of pressure in test chamber 4, gas by intake valve 11
The gas that instrument 17 is sampled by the detection of detection contact 5 in test chamber 4, after the completion of detection, air-leg 3 promotes to the right compression plug 6,
The first check valve 9 is passed the gas through to discharge.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of PM2.5 monitoring devices, including monitoring device main body (1), it is characterised in that：Monitoring device main body (1) bag
Monitoring device shell (2) is included, the inner cavity left surface top of the monitoring device shell (2) is fixedly connected with air-leg (3), described
The inner cavity right flank top of monitoring device shell (2) is fixedly connected with test chamber (4), and the inner cavity top surface of the test chamber (4) is consolidated
Surely detection contact (5) is connected with, sliding slot (19), the inner cavity of the test chamber (4) are fixedly connected with the left of the test chamber (4)
Compression plug (6) is plugged with, the compression plug (6) is fixedly connected by pushing hands (7) with the right end of air-leg (3), the compression plug
(6) exhausting-gas hole (8) is offered in the middle part of, the inner cavity of the exhausting-gas hole (8) is plugged with the first check valve (9), the monitoring device
The right flank top of shell (2) offers air admission hole (10), and air admission hole (10) is connected with test chamber (4), the air admission hole
(10) inner cavity is plugged with intake valve (11), and aerosol is fixedly connected with the right side of the inner chamber bottom surface of the monitoring device shell (2)
Generator (12), the upper surface of the aerosol generator (12) are communicated with one end of delivery pipe (13), and delivery pipe (13)
The other end is connected with the lower surface of test chamber (4), and delivery pump (14), the delivery pipe are socketed with the middle part of the delivery pipe (13)
(13) top is plugged with the second check valve (15), and the inner cavity right flank middle part of the monitoring device shell (2) is fixedly connected with
Stepper motor (16), and the output terminal of stepper motor (16) is fixedly connected with delivery pump (14), the monitoring device shell (2)
PM2.5 detectors (17) are fixedly connected with the left of inner chamber bottom surface, and PM2.5 detectors (17) are electrically connected with detection contact (5), institute
State and battery (20) be fixedly connected with the middle part of the inner chamber bottom surface of monitoring device shell (2), and battery (20) and stepper motor (16) and
PM2.5 detectors (17) are electrically connected.
A kind of 2. PM2.5 monitoring devices according to claim 1, it is characterised in that：The monitoring device shell (2) it is interior
Bottom of chamber face is fixedly connected with blow-off pipe (18), and the bottom surface of monitoring device shell (2) is run through in the lower end of blow-off pipe (18).
A kind of 3. PM2.5 monitoring devices according to claim 1, it is characterised in that：The sliding slot (19) is U-type groove.
A kind of 4. PM2.5 monitoring devices according to claim 1, it is characterised in that：The surface right end of the compression plug (6)
It is socketed with sealing ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721243327.7U CN207318295U (en) | 2017-09-26 | 2017-09-26 | A kind of PM2.5 monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721243327.7U CN207318295U (en) | 2017-09-26 | 2017-09-26 | A kind of PM2.5 monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318295U true CN207318295U (en) | 2018-05-04 |
Family
ID=62384203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721243327.7U Expired - Fee Related CN207318295U (en) | 2017-09-26 | 2017-09-26 | A kind of PM2.5 monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187296A (en) * | 2018-09-03 | 2019-01-11 | 海拉（厦门）电气有限公司 | A kind of laser PM2.5 dust sensor with self-purifying system |
| CN111398528A (en) * | 2020-04-01 | 2020-07-10 | 湖南鼎誉检验检测有限公司 | Portable air detection system for environmental improvement |
-
2017
- 2017-09-26 CN CN201721243327.7U patent/CN207318295U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187296A (en) * | 2018-09-03 | 2019-01-11 | 海拉（厦门）电气有限公司 | A kind of laser PM2.5 dust sensor with self-purifying system |
| CN111398528A (en) * | 2020-04-01 | 2020-07-10 | 湖南鼎誉检验检测有限公司 | Portable air detection system for environmental improvement |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 |