CN206601321U - A kind of dust sensor - Google Patents
A kind of dust sensor Download PDFInfo
- Publication number
- CN206601321U CN206601321U CN201720299599.2U CN201720299599U CN206601321U CN 206601321 U CN206601321 U CN 206601321U CN 201720299599 U CN201720299599 U CN 201720299599U CN 206601321 U CN206601321 U CN 206601321U
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- Prior art keywords
- dust
- sampling
- test chamber
- probing shell
- integrated device
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Abstract
The utility model discloses a kind of dust sensor, the dust sensor sensor of dust concentration of prior art is solved with the growth of use time, and more dust can be adhered in air channel, the problem of reducing the accuracy of detection of sensor, its drip irrigation device is：Including probing shell and the dust test chamber being arranged in probing shell and the detecting head being arranged in dust test chamber, probing shell is cylinder, dust test chamber includes air inlet and the gas outlet being arranged on the wall of dust test chamber side, and gas outlet is provided with extraction fan；Also include the exhaust integrated device of sampling of annular being rotatably connected on the wall of dust test chamber side, exhaust integrated device of sampling includes two that the edge exhaust integrated device of sampling the is radially arranged air channels docked respectively with air inlet and gas outlet；The fixing device that exhaust integrated device of sampling is fixed on to stop position is additionally provided with probing shell, can be with self-cleaning so that dust sensor, which is used for a long time, still ensures accurate accuracy of detection.
Description
Technical field
The utility model is related to sensor technical field, more specifically, it relates to a kind of dust sensor.
Background technology
Chinese utility model patent, Publication No. CN201615883U, publication date is on October 27th, 2010, discloses one
Sensor of dust concentration is planted, the main points of its technical scheme are：Including dust sampling head, dust passage and extraction fan, dust
Passage includes the dust inlet channel and dust outlet passageway of concatenation connection, and the dust sampling head is arranged at dust inlet channel
Inlet end, extraction fan is arranged on the outlet side of dust outlet passageway, and dust inlet channel is in horizontally disposed, and dust outlet leads to
Road is arranged vertically, and the intersection of dust outlet passageway and dust inlet channel forms dust test chamber.
Sensor of dust concentration can adhere to more dust with the growth of use time in air channel, reduction sensor
Accuracy of detection.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of dust sensor, can be certainly
Cleaning still ensures accurate accuracy of detection so that dust sensor is used for a long time.
To achieve the above object, the utility model provides following technical scheme：
A kind of dust sensor, including probing shell and the dust test chamber being arranged in the probing shell and setting
Detecting head in dust test chamber, the probing shell is cylinder, and the dust test chamber includes being arranged on the dust
Air inlet and gas outlet on the wall of test chamber side, the gas outlet are provided with extraction fan；Also include being rotatably connected on dust inspection
The exhaust integrated device of sampling for the annular surveyed on the wall of chamber side, the exhaust integrated device of sampling includes being vented one along the sampling
The air channel that be radially arranged two of body device are docked with air inlet and gas outlet respectively；Being additionally provided with the probing shell to sample
Exhaust integrated device is fixed on the fixing device of stop position.
Using above-mentioned technical proposal, dust test chamber includes the air inlet being arranged on the dust test chamber side wall and gone out
Gas port, the gas outlet is provided with extraction fan, is evacuated from gas outlet and is vented from air inlet by extraction fan, in dust detection
Intracavitary detects the dust concentration in air by detecting head；Exhaust integrated device of sampling is rotatably connected on dust test chamber side wall
On, the sampling and exhaust to gas are realized by exhaust integrated device of sampling, exhaust integrated device of sampling is included along sampling exhaust
The air channel that be radially arranged two of integrated device are docked with air inlet and gas outlet respectively, sample gas enters air inlet by air channel
Mouthful, from gas outlet, discharge is discharged through another air channel；By rotating the sample exhaust integrated changeable sampling of device and exhaust process, i.e.,
Originally the one end sampled becomes one end of exhaust, and the one end being vented originally becomes one end of sampling, former sampling is attached to after switching
Dust in end can be discharged with exhaust airstream, reach self-cleaning advantage；It will be sampled exhaust integrated device by fixing device
Stop position is fixed on, the exhaust integrated device that prevents from sampling arbitrarily is rotated.
Further, the extraction fan is obliquely installed to be formed to the distinguished and admirable of air channel side wall impact.
Using above-mentioned technical proposal, extraction fan is obliquely installed, and the wind so blown out from fan impinges upon the side wall in air channel
On, it is distinguished and admirable to produce fluctuation, make to be attached to the dust on air channel and be easier to be blown off.
Further, the inwall in the air channel is cross-sectional area diminishing taper from inside to outside.
Using above-mentioned technical proposal, the inwall in air channel is cross-sectional area diminishing taper from inside to outside, and wind is along taper
Inwall flows, and is tapered into the bore of inwall, blast increase, distinguished and admirable to accelerate, and makes to be attached to the dust on air channel and is easier
Blown off.
Further, the taper surface in the air channel is provided with helical wind-guiding groove.
On the side wall for impinging upon air channel using above-mentioned technical proposal, the wind blown out from fan, and along wall flow, air channel
Taper surface is provided with helical wind-guiding groove, forms whirlwind under the water conservancy diversion of helical wind-guiding groove, makes to be attached to the dust on air channel and more hold
Easily blown off.
Further, the exhaust integrated device upper surface of sampling is provided with interconnected upper filter air holes, and lower surface is provided with phase
Intercommunicated lower filter air holes, the upper filter air holes and lower filter air holes are connected with the small-bore place in the air channel of two tapers respectively.
Using above-mentioned technical proposal, upper filter air holes and lower filter air holes play a role in filtering to the wind for entering sensor, prevent
The larger debris of particle is inhaled into the result of influence sensor detection, while blocking light by upper filter air holes and lower filter air holes
Into dust test chamber, the testing result of sensor is disturbed.
Further, the fixing device includes two tops being fixed on along probing shell diametric(al) on the probing shell
Press component, the top pressure component includes can be along the axial up and down fore-set of probing shell, the upper surface of the fore-set and probe
Top pressure spring is provided between housing, the exhaust integrated device upper surface of sampling is provided with two shrinkage pools for being used for being embedded in fore-set.
Using above-mentioned technical proposal, fore-set is withstood by top pressure spring, the end of fore-set is embedded in shrinkage pool, realizes to adopting
The fixation of the exhaust integrated device of sample.
In summary, dust test chamber includes air inlet and the gas outlet being arranged on the dust test chamber side wall, institute
Gas outlet is stated provided with extraction fan, is evacuated from gas outlet and is vented from air inlet by extraction fan, led in dust test chamber
The dust concentration crossed in detecting head detection air；Exhaust integrated device of sampling is rotatably connected on the wall of dust test chamber side, is passed through
Exhaust integrated device of sampling realizes the sampling and exhaust to gas, and exhaust integrated device of sampling is included along exhaust integrated device of sampling
The air channel that two be radially arranged are docked with air inlet and gas outlet respectively, sample gas enters air inlet by air channel, from going out
Gas port discharge is discharged through another air channel；By rotating the sample exhaust integrated changeable sampling of device and exhaust process, i.e., adopt originally
One end of sample becomes one end of exhaust, and the one end being vented originally becomes one end of sampling, is attached to after switching in former sampling end
Dust can be discharged with exhaust airstream, reach self-cleaning advantage；The exhaust integrated device of sampling is fixed on by fixing device
Stop position, the exhaust integrated device that prevents from sampling arbitrarily is rotated.
Brief description of the drawings
Fig. 1 is the parts explosion of the present embodiment；
Fig. 2 is the assembling schematic diagram of the present embodiment.
Reference：1st, probing shell；2nd, dust test chamber；3rd, detecting head；4th, air inlet；5th, gas outlet；6th, it is evacuated wind
Fan；7th, the exhaust integrated device of sampling；8th, air channel；9th, helical wind-guiding groove；10th, upper filter air holes；11st, lower filter air holes；12nd, fore-set；13、
Top pressure spring；14th, shrinkage pool；15th, last time turns；16th, lower revolving body；17th, shackle；18th, upper ring wind path；19th, lower ring wind path.
Embodiment
The technical solution of the utility model is elaborated below in conjunction with the accompanying drawings.
A kind of dust sensor, referring to Fig. 1 and Fig. 2, including probing shell 1 and the dust inspection being arranged in probing shell 1
Chamber 2 and the detecting head 3 being arranged in dust test chamber 2 are surveyed, probing shell 1 is cylinder, and probing shell 1 includes being connected to one
The last time swivel 15 risen and lower revolving body 16, the diameter of lower revolving body 16 are less than the diameter of last time swivel 15.Lower revolving body 16
Bottom is provided with shackle 17, and the diameter of shackle 17 is more than the diameter of lower revolving body 16.
Dust test chamber 2 is arranged in lower revolving body 16, and dust test chamber 2 includes being arranged on the side wall of dust test chamber 2
Air inlet 4 and gas outlet 5, extraction fan 6 is provided with gas outlet 5.
Also include the exhaust integrated device 7 of sampling of annular being rotatably connected on the side wall of lower revolving body 16, and pass through
Shackle 17 is hooked in the bottom for exhaust integrated device 7 of sampling；Exhaust integrated device 7 of sampling is included along the exhaust integrated footpath of device 7 of sampling
To two of the setting air channels 8 docked respectively with air inlet 4 and gas outlet 5；The inwall in air channel 8 be cross-sectional area from inside to outside by
Tapered small taper；The taper surface in air channel 8 is provided with helical wind-guiding groove 9；Extraction fan 6 is obliquely installed to be formed to the side of air channel 8
It is distinguished and admirable that wall hits.
The exhaust integrated upper surface of device 7 sample provided with multiple upper filter air holes 10, lower surface is adopted provided with multiple lower filter air holes 11
Upper ring wind path 18 and lower ring wind path 19 are provided with the exhaust integrated device 7 of sample；Upper ring wind path 18 interconnects upper filter air holes 10, under
Ring wind path 19 interconnects lower filter air holes 11；Upper ring wind path 18 is connected with the small-bore place in one of air channel 8, lower ring wind path
19 connect with the small-bore place in another air channel 8.
The lower end of last time swivel 15 is additionally provided with the fixing device that exhaust integrated device 7 of sampling is fixed on to stop position.
Fixing device includes two top pressure components being fixed on along the diametric(al) of probing shell 1 on probing shell 1, top pressure group
Part includes that top pressure can be provided between the upper surface of fore-set 12 and probing shell 1 along the up and down fore-set 12 in the axial direction of probing shell 1
Spring 13, the exhaust integrated upper surface of device 7 of sampling is provided with two shrinkage pools 14 for being used for being embedded in fore-set 12.
During work, it is evacuated, is vented from gas outlet 5 from air inlet 4 by extraction fan 6, by visiting in dust test chamber 2
Dust concentration in the detection air of gauge head 3；Exhaust integrated device 7 of sampling is rotatably connected on the side wall of dust test chamber 2, by adopting
The exhaust integrated device 7 of sample realizes the sampling and exhaust to gas, and exhaust integrated device 7 of sampling is included along exhaust integrated device of sampling
The air channel 8 that 7 two be radially arranged are docked with air inlet 4 and gas outlet 5 respectively, sample gas enters air inlet by air channel 8
4, discharge and discharged through another air channel 8 from gas outlet 5；By rotating the sampling changeable sampling of exhaust integrated device 7 and exhaust process,
The one end sampled originally becomes one end of exhaust, and the one end being vented originally becomes one end of sampling, is attached to original after switching and adopts
Dust in sample end can be discharged with exhaust airstream；The exhaust integrated device 7 of sampling is fixed on by stop position by fixing device,
Prevent exhaust integrated device 7 arbitrarily rotation of sampling.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of dust sensor, including probing shell (1) and the dust test chamber (2) that is arranged in the probing shell (1)
And it is arranged on the detecting head (3) in dust test chamber (2), it is characterised in that：The probing shell (1) is cylinder, described
Dust test chamber (2) includes air inlet (4) and gas outlet (5) being arranged on the wall of dust test chamber (2) side, the outlet
Extraction fan (6) is provided with mouth (5)；Also include the sampling exhaust of annular being rotatably connected on the wall of dust test chamber (2) side
Integrated device (7), the exhaust integrated device (7) of sampling includes two be radially arranged along the exhaust integrated device (7) of sampling
The individual air channel (8) docked respectively with air inlet (4) and gas outlet (5)；It is additionally provided with sampling exhaust one on the probing shell (1)
Body device (7) is fixed on the fixing device of stop position.
2. a kind of dust sensor according to claim 1, it is characterised in that：The extraction fan (6) be obliquely installed with
Formed to the distinguished and admirable of air channel (8) side wall impact.
3. a kind of dust sensor according to claim 2, it is characterised in that：The inwall of the air channel (8) is cross section
Product taper diminishing from inside to outside.
4. a kind of dust sensor according to claim 3, it is characterised in that：The taper surface of the air channel (8) is provided with
Helical wind-guiding groove (9).
5. a kind of dust sensor according to claim 4, it is characterised in that：On the exhaust integrated device (7) of sampling
Surface is provided with interconnected upper filter air holes (10), and lower surface is provided with interconnected lower filter air holes (11), the upper filter air holes
(10) connected with small-bore place of the lower filter air holes (11) respectively with the air channel (8) of two tapers.
6. a kind of dust sensor according to claim 1, it is characterised in that：The fixing device is included along probing shell
(1) diametric(al) is fixed on two top pressure components on the probing shell (1), and the top pressure component includes can be along probing shell
(1) the up and down fore-set (12) in axial direction, is provided with top pressure spring between the upper surface of the fore-set (12) and probing shell (1)
(13), exhaust integrated device (7) upper surface of sampling is provided with two shrinkage pools (14) for being used for being embedded in fore-set (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720299599.2U CN206601321U (en) | 2017-03-25 | 2017-03-25 | A kind of dust sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720299599.2U CN206601321U (en) | 2017-03-25 | 2017-03-25 | A kind of dust sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206601321U true CN206601321U (en) | 2017-10-31 |
Family
ID=60145686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720299599.2U Expired - Fee Related CN206601321U (en) | 2017-03-25 | 2017-03-25 | A kind of dust sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206601321U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239202A (en) * | 2018-09-28 | 2019-01-18 | 安溪坤祁德机械科技有限公司 | The clear powder of negative pressure reduces the measuring probe mounting device of hole |
| CN115264609A (en) * | 2021-04-29 | 2022-11-01 | 韦氏（苏州）医疗科技有限公司 | Clean wisdom operating room |
| CN115307212A (en) * | 2021-05-08 | 2022-11-08 | 韦氏（苏州）医疗科技有限公司 | Informationized clean operating room |
-
2017
- 2017-03-25 CN CN201720299599.2U patent/CN206601321U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239202A (en) * | 2018-09-28 | 2019-01-18 | 安溪坤祁德机械科技有限公司 | The clear powder of negative pressure reduces the measuring probe mounting device of hole |
| CN115264609A (en) * | 2021-04-29 | 2022-11-01 | 韦氏（苏州）医疗科技有限公司 | Clean wisdom operating room |
| CN115307212A (en) * | 2021-05-08 | 2022-11-08 | 韦氏（苏州）医疗科技有限公司 | Informationized clean operating room |
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Legal Events
| 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: 20171031 Termination date: 20200325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |