CN206479433U - Particulate matter sensors - Google Patents
Particulate matter sensors Download PDFInfo
- Publication number
- CN206479433U CN206479433U CN201621470431.5U CN201621470431U CN206479433U CN 206479433 U CN206479433 U CN 206479433U CN 201621470431 U CN201621470431 U CN 201621470431U CN 206479433 U CN206479433 U CN 206479433U
- Authority
- CN
- China
- Prior art keywords
- particulate matter
- gas channel
- housing
- matter sensors
- gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to a kind of particulate matter sensors, including：Housing, with receiving space；Gland, is arranged in the receiving space of housing, and housing forms the lucifuge space for the path channels for including gas channel and intersecting with gas channel with gland, wherein, gas channel includes import and outlet；Vacuum elements, it is arranged in the receiving space of housing, including the drainage part being arranged between the import of gas channel and outlet, the direction of rotation of drainage part is by import towards the outlet, drainage part is used to the air-flow containing particulate matter introducing gas channel from import under rotary state, then discharges gas channel from outlet.Particulate matter sensors of the present utility model, drainage part is arranged in gas channel, and drainage part takes a part of space of gas channel, it is not necessary to reserved installing space is set outside gas channel so that the overall volume of particulate matter sensors is smaller.
Description
Technical field
The utility model is related to particulate matter detection technique field, and in particular to a kind of particulate matter sensors.
Background technology
In the last few years, as air pollution situation is increasingly serious, the common people increasingly pay close attention to air quality situation at one's side, wish
Prestige, which oneself can monitor the vocabulary such as the air quality around oneself, therefore PM10, PM2.5 in real time and frequently appear in people, lives it
In.PM2.5 refers to that aerodynamic size is less than 2.5 microns of particulates in air, is the pass for evaluating atmospheric pollution level
One of key index.It can long period be suspended in air, its in atmosphere content (concentration) it is higher, just represent air pollution and get over
Seriously, the influence to health and atmosphere quality is also bigger, is generally enriched with As, Se, Pb, Cr etc. heavy metal element
With the organic pollution such as PAHs, PCDD/Fs, VOCs, these are generally carcinogen and genotoxicity mutagen matter, are had to human body
Larger harm.What United Nations Environment Programme in 2012 announced《Global environment is looked forward to》Point out, have every year nearly 2,000,000 it is too early
Death is relevant with Particulate Pollution.The instant detection of PM2.5 dust granules, be effective preventing and treating PM2.5 pollutions premise and
Important leverage.
Current PM2.5 detection modes have micro oscillation sedimentation balance method.Micro oscillation sedimentation balance method can realize automatic measurement, but instrument
Device is expensive, and volume ratio is larger, is not suitable for the demand of the civilian detection such as ordinary individual and family.
Utility model content
The utility model embodiment provides a kind of particulate matter sensors, and drainage part is arranged in gas channel, and drainage part is accounted for
With a part of space of gas channel, it is not necessary to reserved installing space is set outside gas channel so that particulate matter sensors
Overall volume is smaller, is adapted to ordinary individual and family uses.
On the one hand, the utility model embodiment proposes a kind of particulate matter sensors, including：Housing, with receiving space；
Gland, is arranged in the receiving space of housing, the light that housing includes gas channel and intersected with gas channel with gland formation
The lucifuge space of paths, wherein, gas channel includes import and outlet；Vacuum elements, are arranged on the receiving space of housing
It is interior, including the drainage part being arranged between the import of gas channel and outlet, the direction of rotation of drainage part by import towards exporting,
Drainage part is used to the air-flow containing particulate matter introducing gas channel from import under rotary state, then leads to from outlet discharge air-flow
Road.
According to the one side of the utility model embodiment, the driving that vacuum elements also include with drainage part drive connection is filled
Put.
According to the one side of the utility model embodiment, drainage part includes impeller, and drive device includes motor, motor bag
Include the output shaft being connected with impeller, the axis of output shaft and the axis perpendicular of gas channel.
According to the one side of the utility model embodiment, fixed support is provided with housing, fixed support is arranged on shell
In the receiving space of body.
According to the one side of the utility model embodiment, fixed support includes sidepiece and the support extended from sidepiece
Portion, drive device is arranged on supporting part.
According to the one side of the utility model embodiment, particulate matter sensors also include the light being arranged on fixed support
Source transmitter, drive device is arranged side by side with light source emitter.
According to the one side of the utility model embodiment, gland includes main body and the cover portion extended from main body,
Cover portion covers drainage part jointly with housing.
According to the one side of the utility model embodiment, the main body of gland is dorsad provided with appearance on the surface of gas channel
Put groove.
According to the one side of the utility model embodiment, particulate matter sensors also include the photoelectricity being arranged in storage tank
Detector, photodetector corresponds to gas channel and the intersecting region of path channels is set.
According to the one side of the utility model embodiment, the rotation axis of drainage part intersects with the axis of gas channel,
The shape of cross section of the maximum vertical sectional shape axis vertical with gas channel of diameter of the drainage part along rotation axis is identical.
The particulate matter sensors that the utility model embodiment is provided, due to the drainage including being arranged on inside gas channel
Part, and drainage part direction of rotation by import towards export, therefore, drainage part rotate when, external air flow can be caused to flow through gas
Circulation road.Due also to drainage part is arranged on the inside of gas channel, drainage part takes a part of space of gas channel, it is not necessary to
Reserved installing space is set outside gas channel, so that the structure being made up of impeller and gas channel is more compact, entered
And cause the overall compacter of particulate matter sensors.
Brief description of the drawings
The feature, advantage and technique effect of the utility model exemplary embodiment described below with reference to the accompanying drawings.
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the utility model particulate matter sensors one.
Fig. 2 is the decomposition texture schematic diagram at another visual angle of particulate matter sensors shown in Fig. 1.
Fig. 3 is the shell structure schematic diagram of particulate matter sensors shown in Fig. 1.
Fig. 4 is the gland structure schematic diagram of particulate matter sensors shown in Fig. 1.
Fig. 5 is the confined state schematic diagram of the light source emitter, vacuum elements and housing of particulate matter sensors shown in Fig. 1.
Fig. 6 is that the confined state of light source emitter, vacuum elements, housing and the gland of particulate matter sensors shown in Fig. 1 shows
It is intended to.
Fig. 7 is the overall confined state schematic diagram of particulate matter sensors shown in Fig. 1.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Embodiment
Embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples.Following examples
The detailed description and the accompanying drawings be used to exemplarily illustrate principle of the present utility model, but can not be used for limiting model of the present utility model
Enclose, i.e., the utility model is not limited to described embodiment.
Fig. 1, Fig. 2 schematically show the Split type structure of the different angles of particulate matter sensors 10 of the present utility model.
The particulate matter sensors 10 of the utility model embodiment, for the particulate matter in environment to external world concentration or
The size of grain thing itself particle diameter is detected.As shown in figure 1, particulate matter sensors 10 include housing 11, gland 13, impeller 15,
Motor 17, light source emitter 19, circuit board 23 and lid (not shown).Housing 11 stores gland 13, impeller in the lump with lid
15th, motor 17, light source emitter 19 and circuit board 23.
Referring to Fig. 3, Fig. 3 is the structural representation of housing 11.As shown in figure 3, housing 11 is the length with curved bottom
The two ends of strip groove structure and long striped groove structure are respectively provided with the cross section phase with the long striped groove structure
The side wall matched somebody with somebody.Bottom defines a receiving space 100 with side wall.The frame being connected with curved bottom is formed with receiving space 100
Frame structure 110, including polygonal first cancelled structure 1101, the second cancelled structure 1102, the 3rd cancelled structure the 1103, the 4th
Cancelled structure 1104 and supporting part 117.First cancelled structure 1101, the second cancelled structure 1102, the 3rd cancelled structure 1103 and
4th cancelled structure 1104 is sequentially connected and the side setting altogether of adjacent cancelled structure, and supporting part 117 is by the 4th cancelled structure 1104
A side (figure do not mark) extend to receiving space 100 and formed.
First cancelled structure 1101 defines one first recess 115, for forming light trapping.Second cancelled structure 1102 is defined
One first groove 111.The second groove 114 is provided with first cancelled structure 1101 and the shared side of the second cancelled structure 1102.
The second groove 114 is also equipped with second cancelled structure 1102 and the shared side of the 3rd cancelled structure 1103.Set on housing 11
There are the import 112 and outlet 113 being connected with the first groove 111.
Fig. 4 schematically shows gland 13 towards the structure of the side of housing 11.
Also referring to Fig. 1 and Fig. 4, Fig. 4 is the structural representation of gland 13.Gland 13 is with the polygon of predetermined thickness
Shape structure, its shape and the first cancelled structure 1101, the second cancelled structure 1102 and the 3rd cancelled structure of above-mentioned housing 11
The shape of 1103 frame structures being joined together to form matches.Gland 13 includes main body 138 and cover portion 139.Main body 138 is wrapped
Include the first side 1381 and second side 1382 being disposed adjacent.Cover portion 139 is by second side 1382 away from the second side
1382 direction extends to be formed.Gland 13 has first surface 1383 and second surface relative on the thickness direction of gland 13
1384.The storage tank being recessed in main body 138 on first surface 1383 from the first surface 1383 to the direction of second surface 1384
135, the through hole 137 through second surface 1384 is further provided with the bottom of storage tank 135.Gland 13 includes being arranged on
The 3rd groove 131 on second surface 1384, the second recess 132 being arranged on second surface 1384 and it is arranged on the first side
The 4th groove 133 on side 1381.
Housing 11 fastens the lucifuge for forming the path channels for including gas channel and intersecting with gas channel with gland 13
Space.
Gas channel is the first groove 111 (as shown in Figure 1) set on housing 11 and the set on gland 13 the 3rd
The passage through particulate matter sensors 10 that groove 131 (as shown in Figure 4) split is formed.The section of gas channel can be round
Shape, rectangle or hexagon.First groove 111 of the housing 11 of formation gas channel and the 3rd groove 131 of gland 13 are not
The sectional area for the first groove 111 being only limitted on symmetrical or housing 11 is less than the 3rd groove 131 on gland 13
Sectional area, or, the sectional area of the first groove 111 on housing 11 is more than the sectional area of the 3rd groove 131 on gland 13,
As long as ensureing that the first groove 111 of housing 11 and the 3rd groove 131 of gland 13 can be formed through particulate matter sensors 10
Gas channel.
As shown in Figure 2 and Figure 3, gas channel includes import 112 and outlet 113.Import 112 and outlet 113 are arranged on housing
On 11.Outer gas stream enters gas channel from import 112, and gas channel is discharged from outlet 113, so that air-flow is passed through particulate matter
Sensor 10.Preferably, import 112 and outlet 113 are circular hole, and are coaxially disposed.
The utility model embodiment includes being used for from import 112 outer gas stream is pumped into gas channel and from exporting 113 rows
Go out the vacuum elements of gas channel.Vacuum elements are arranged in the receiving space 100 of housing 11.Vacuum elements include drainage part.
The direction of rotation of drainage part by import 112 towards outlet 113.Drainage part, can be by the air-flow containing particulate matter under rotary state
Gas channel is introduced from import 112, gas channel is discharged from outlet 113.
As shown in Figure 1, shown in Figure 5, the drainage part of the utility model embodiment includes impeller 15.Impeller 15 is arranged on the He of gland 13
In the gas channel of the formation of housing 11, between import 112 and outlet 113.The direction of rotation of impeller 15 is from the direction of import 112
Outlet 113.The rotation axis of impeller 15 intersects with the axis of gas channel, and diameter of the impeller 15 along its rotation axis is maximum to be indulged
The shape of cross section of cross sectional shape its axis vertical with gas channel is identical.Here diameter of the impeller 15 along its rotation axis is most
The cross section of big longitudinal section its axis vertical with gas channel is generally aligned in the same plane.The outer surface of impeller 15 and gland 13 and
Outer surface any point that gap and impeller 15 are formed between housing 11 is identical to the spacing between gland 13 and housing 11,
Ensure the stability of the air-flow by impeller 15.Preferably, the rotation axis of impeller 15 and the axis of gas channel are mutually perpendicular to.
The cross sectional shape of longitudinal section of the impeller 15 along its own rotation axis line and the cross sectional shape phase of the cross section of gas channel
Together so that be formed with gap between the surface of the first groove 111 and the 3rd groove 131 of impeller 15 and formation gas channel.Cause
This, when impeller 15 is rotated, air-flow leads in can entering gas channel from import 112 and smoothly under the driving of impeller 15
Cross behind the gap between the groove 111 of impeller 15 and first and the 3rd groove 131 and to be discharged again from outlet 113, it is ensured that air-flow can be with
With constant rate of speed by gas channel, simultaneously, it is ensured that impeller 15 does not connect with the first groove 111 and the surface of the 3rd groove 131
Touch, so that impeller 15 can normally rotate in gas channel.
Alternatively, impeller 15 is positioned close to the position of import 112, and air-flow easily is introduced into gas channel from import 112.
Vacuum elements of the present utility model also include the drive device with drainage part drive connection.Drive device is arranged on gas
The outside of circulation road.
As shown in fig. 6, the drive device of the utility model embodiment includes motor 17.The output shaft of motor 17 extend into gas
It is fixedly connected inside circulation road and with impeller 15.The rotating speed of impeller 15, Jin Erke can be controlled by the rotating speed of regulation motor 17
To control air-flow to flow through the volume of gas channel within the unit interval, facilitate the different flow-rate conditions to flowing through gas channel
Under air-flow detected.Further, as shown in figure 1, the axis of the output shaft of motor 17 and the axis of gas channel are mutual
Vertically.The axis of the output shaft of motor 17 and the same overlapping of axles of rotation axis of impeller 15.
Alternatively, the drive device of the utility model embodiment includes motor 17 and the transmission with the drive connection of motor 17
Mechanism, the power output portion drive connection of impeller 15 and transmission mechanism.
As shown in Figure 3, Figure 4, path channels be the second groove 114 set on housing 11 with set on gland 13 the
The passage that the split of four groove 133 is formed.The section of path channels can be circular, rectangle or hexagon.Form path channels
The second groove 114 of housing 11 and the 4th groove 133 of gland 13 and be not limited in symmetrical or housing 11
On the second groove 114 sectional area be less than gland 13 on the 4th groove 133 sectional area, or, second on housing 11
The sectional area of groove 114 is more than the sectional area of the 4th groove 133 on gland 13, as long as ensureing the second of gland 13 and housing 11
The groove 133 of groove 114 and the 4th can form the path channels through particulate matter sensors 10.Preferably, light path is led to
Road is identical with the sectional area shape of gas channel, and size is identical.
Gas channel is crossed to form passage overlay region with path channels.Preferably, gas channel mutually hangs down with path channels
It is straight to set.
One end of path channels is provided with light source emitter 19.Light source emitter 19 in the operating condition, can be to light path
Transmitting light wave in passage.When air-flow from gas channel by when, light wave, which can be irradiated to, to be flowed in the air-flow of passage overlay region
Comprising particulate matter and scatter.The light wave that particulate matter scatters is not irradiated to continue to propagate and finally wear along path channels
Go out path channels.
Alternatively, the other end of path channels is provided with absorption means, for the light wave for passing path channels to be inhaled
Receipts are fallen.Absorption means include light trapping or light absorber.The light source emitter 19 of the utility model embodiment includes laser
Transmitter.Generating laser is arranged on one end of path channels.The laser energy that generating laser is produced is high, and propagation performance is good,
Strong antijamming capability.
The particulate matter sensors 10 of the utility model embodiment also include for particulate matter in receiving air-flow passage to light wave
Scattering optical signal receiver 21.Receiver 21 is oppositely disposed with passage overlay region.What light source emitter 19 was launched
When light wave is irradiated to the particulate matter in gas channel in passage overlay region, light wave can be scattered, and the light wave after scattering can be connect
Device 21 is received to receive.Receiver 21 can change into the optical signal received electric signal, and by the electric signal output.It is optional
Ground, receiver 21 includes photodetector.Photodetector includes silicon photoelectric diode.
The particulate matter sensors 10 of the utility model embodiment also include and vacuum elements, light source emitter 19 and reception
The circuit board 23 that device 21 is electrically connected with.Circuit board 23 can send the first control signal to light source emitter 19, for controlling light
Source transmitter 19 is turned on and off.Circuit board 23 can also send the second control signal to vacuum elements, for controlled motor
17 startup, stopping or slewing rate.Circuit board 23 can receive the electric signal that receiver 21 sends and amplify the electric signal,
And then electric signal is analyzed and processed and the data after processing are exported.
As shown in Figure 1, Figure 7 shows, it is additionally provided with transport module 231 on circuit board 23.Transport module 231 include bluetooth module or
Person's WIFI module, is easy to the data after processing being sent to computer end or mobile phone terminal by bluetooth module or WIFI module.
The particulate matter sensors 10 of the utility model embodiment also include the display being electrically connected with circuit board 23 (in figure
It is not shown).The data that display circuit of display device plate 23 is exported.
As shown in fig. 6, gland 13 is arranged between circuit board 23 and housing 11.Gland 13 is dorsad set on the surface of housing 11
It is equipped with storage tank 135.The storage tank 135 is used for accommodating receiver 21.Through hole 137 is additionally provided with the bottom of storage tank 135.It is logical
Hole 137 is relative with passage overlay region.The light wave scattered by particulate matter by the through hole 137 and can reach receiver 21.Can
Selection of land, receiver 21 is arranged on circuit board 23 towards on the surface of gland 13.After circuit board 23 is assembled with gland 13, circuit board 23
Fitted towards the surface of gland 13 and the surface of gland 13 towards circuit board 23, so that after circuit board 23 is assembled with gland 13
Overall structure is compacter, it is also possible that the overall structure of particulate matter sensors 10 is compacter, reduces particulate matter sensing
The overall volume of device 10.
As shown in Fig. 2, Fig. 6, the gland 13 of the utility model embodiment includes main body 138 and extended from main body 138
The cover portion 139 gone out.Main body 138 includes the sidepiece for being provided with the base portion of storage tank 135 and extending from base portion.Cover portion 139
It is arranged on sidepiece and dorsad sidepiece extends.The 3rd groove to form gas channel is respectively arranged with main body 138 and cover portion 139
131.The 4th groove 133 to form path channels is provided with main body 138.Alternatively, be additionally provided with main body 138 to be formed light fall into
Second recess 132 of trap.Second recess 132 is connected with forming the 4th groove 133 of path channels.Cover portion 139 and housing
11 cover impeller 15 jointly.The passage passed through for the power output portion of drive device is formed between cover portion 139 and housing 11.
As shown in figure 3, being provided with the wall portion to form gas channel on housing 11.Set in wall portion on the surface of housing 11
It is equipped with the second groove 114 to form path channels.It is provided with the housing 11 of the side of path channels for forming light trapping
The first recess 115, opposite side is provided with the fixed support 116 for installing light source emitter 19.Fixed support 116 includes branch
Hold the bearing-surface of light source emitter 19 and homonymy extends from bearing-surface two sidepieces.Two sidepieces can be sent out light source
Emitter 19 forms spacing.Towards the supporting part 117 extended on the sidepiece of impeller 15 for support drive device.Drive device
After on supporting part 117, drive device is arranged side by side with the light source emitter 19 on fixed support 116.So,
Light source emitter 19 and drive device arrangement are reasonable, compact conformation, and then can cause the overall structure of particulate matter sensors 10
It is compacter, reduce the overall structure of particulate matter sensors 10.In the present embodiment, motor 17 is arranged on fixed support 116.
The end face away from housing 11 is higher than the end face away from housing 11 in wall portion on the sidepiece of fixed support 116, so that side
Step-like structure is formed between portion and wall portion.During gland 13 is installed into housing 11, sidepiece is higher than the part of wall portion
Gland 13 can be positioned and guide gland 13 to be installed to exactly on housing 11.
Receiving space 100 includes opening.Particulate matter sensors 10 include covering the lid of the opening.On the sidepiece of housing 11
It is provided with least one set of card adapter plate 118 extended from bottom towards opening.It is provided with and is engaged with card adapter plate 118 on circuit board 23
Neck.In mounting circuit boards 23, the neck on circuit board 23 is directed at the card adapter plate 118 on housing 11, then by circuit
Plate 23 is advanced at opening in housing 11.After circuit board 23 is installed in place, due to limit of the circuit board 23 by card adapter plate 118
Position so that circuit board 23 is fixed in housing 11, and keep constant with the relative position of housing 11, so as to ensure circuit board 23
Positional stability.Because card adapter plate 118 can play guide function to circuit board 23, so that when circuit board 23 is pushed into housing 11
It is interior and towards gland 13 move when, the receiver 21 on circuit board 23 can be directed at the storage tank 135 on gland 13 automatically, be lifted
The convenience of circuit board 23 and gland 13 assembly working.
The working method of the particulate matter sensors 10 of the utility model embodiment is as follows：
1) start generating laser, laser beam is launched into path channels, preheat certain time.
2) motor 17 is started, driving impeller 15 is rotated, the air-flow formed in negative pressure, external environment condition in gas channel is from import
112 enter gas channel and final from the discharge of outlet 113；
Alternatively, the rotating speed of regulation motor 17 in this step, makes its rotating speed be maintained at constant rate of speed, and then cause air-flow
Air-flow in passage keeps constant flow rate.
3) laser beam is irradiated to the particulate matter of passage overlay region and scattered, and photodetector receives laser beam
Scattering optical signal when, convert optical signals into electric signal and send to circuit board 23.
4) 23 pairs of electric signals received of circuit board are amplified and analog/digital conversion, the electric signal after analyzing and processing amplification,
Obtain the monitoring result of particulate matter in air-flow.
5) display output monitoring result.
In 3), unscattered laser beam, which is passed through, enters light trapping after path channels.
The particulate matter sensors 10 that the utility model embodiment is provided can monitor PM0.3, PM0.5, PM1, PM2.5,
The particulate matter of the multiple diameters such as PM5 and PM10.
The particulate matter sensors 10 of the utility model embodiment, including for producing the light source emitter 19 of light wave, receiving
The receiver 21 of optical signal and the circuit board 23 for processing data signal.When particulate matter enters gas channel and passes through air-flow
During the passage overlay region of passage and path channels, the light wave that light source emitter 19 is launched can be irradiated on particulate matter and by particle
Thing is scattered.The receiver 21 being oppositely arranged with passage overlay region can receive the light wave scattered by particulate matter, and the light is believed
Number being converted into electric signal is sent to circuit board 23.Circuit board 23 includes microprocessor.Microprocessor enters to the electric signal received
Row amplification.Microprocessor is analyzed and processed to the electric signal after amplification and exports monitoring result.User can be surveyed in real time
Result is measured, it is easy to use.In addition, drainage part is arranged in gas channel, own vol is small, occupies little space, and also causes air-flow
Passage and the structure that drainage part is configured to are compacter.Further, due to the drive device and light with drainage part drive connection
Source transmitter 19 is arranged side by side, hence in so that light source emitter 19, vacuum elements and constituting gas channel and path channels
The overall structure of gland 13 and housing 11 is compacter, the integral miniaturization of particulate matter sensors 10, improves particulate matter sensing
The portability of device 10.
Although the utility model is described by reference to preferred embodiment, model of the present utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing
The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of particulate matter sensors, it is characterised in that including：
Housing, with receiving space；
In gland, the receiving space for being arranged on the housing, the formation of the housing and the gland include gas channel and with
The lucifuge space of the intersecting path channels of the gas channel, wherein, the gas channel includes import and outlet；
In vacuum elements, the receiving space for being arranged on the housing, including it is arranged on the import and outlet of the gas channel
Between drainage part, the direction of rotation of the drainage part is by the import towards the outlet, and the drainage part is under rotary state
For the air-flow containing the particulate matter to be incorporated into the gas channel from the import, then the air-flow is discharged from the outlet
Passage.
2. particulate matter sensors according to claim 1, it is characterised in that the vacuum elements also include and the drainage
The drive device of part drive connection.
3. particulate matter sensors according to claim 2, it is characterised in that the drainage part includes impeller, the driving
Device includes motor, and the motor includes the output shaft being connected with the impeller, the axis of the output shaft and the air-flow
The axis perpendicular of passage.
4. particulate matter sensors according to claim 2, it is characterised in that fixed support, institute are provided with the housing
Fixed support is stated to be arranged in the receiving space of the housing.
5. particulate matter sensors according to claim 4, it is characterised in that the fixed support includes sidepiece and from institute
The supporting part that sidepiece extends is stated, the drive device is arranged on the supporting part.
6. particulate matter sensors according to claim 5, it is characterised in that the particulate matter sensors also include being arranged on
Light source emitter on the fixed support, the drive device is arranged side by side with the light source emitter.
7. particulate matter sensors according to claim 1, it is characterised in that the gland includes main body and from the master
The cover portion extended on body, the cover portion covers the drainage part jointly with the housing.
8. particulate matter sensors according to claim 7, it is characterised in that dorsad the air-flow leads to the main body of the gland
Storage tank is provided with the surface in road.
9. particulate matter sensors according to claim 8, it is characterised in that the particulate matter sensors also include being arranged on
Photodetector in the storage tank, the photodetector corresponds to the gas channel and the path channels are intersecting
Region set.
10. particulate matter sensors according to claim 1, it is characterised in that the rotation axis of the drainage part with it is described
The axis of gas channel intersects, and the maximum vertical sectional shape of diameter of the drainage part along the rotation axis leads to the air-flow
The shape of cross section of the vertical axis in road is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470431.5U CN206479433U (en) | 2016-12-29 | 2016-12-29 | Particulate matter sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470431.5U CN206479433U (en) | 2016-12-29 | 2016-12-29 | Particulate matter sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479433U true CN206479433U (en) | 2017-09-08 |
Family
ID=59749676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621470431.5U Active CN206479433U (en) | 2016-12-29 | 2016-12-29 | Particulate matter sensors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680475A (en) * | 2018-05-14 | 2018-10-19 | 芜湖致新信息科技有限公司 | A kind of dust investigating for industry |
| CN109406355A (en) * | 2018-11-06 | 2019-03-01 | 深圳益杉创新科技有限公司 | Particulate matter detection means |
-
2016
- 2016-12-29 CN CN201621470431.5U patent/CN206479433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680475A (en) * | 2018-05-14 | 2018-10-19 | 芜湖致新信息科技有限公司 | A kind of dust investigating for industry |
| CN109406355A (en) * | 2018-11-06 | 2019-03-01 | 深圳益杉创新科技有限公司 | Particulate matter detection means |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206479433U (en) | Particulate matter sensors | |
| CN103018145A (en) | Novel real-time PM2.5 (particulate matter 2.5) mass concentration monitoring device and monitoring method | |
| CN101893558A (en) | Three-component fire gas detector | |
| WO2016197300A1 (en) | High-precision microminiaturized particle sensor | |
| CN102323193A (en) | Measurement method for air particle distribution through laser light scattering method, and apparatus thereof | |
| CN209624304U (en) | Underground coal mine environment monitoring device based on laser detection | |
| CN202869934U (en) | Novel real-time monitoring device for mass concentration of PM2.5 | |
| CN104297119A (en) | Method for giving alarm on out-of-limit concentration of inhalable particulate matter (PM) in air | |
| CN202177563U (en) | Device adopting laser scattering method to measure distribution of particles in air | |
| US20230252872A1 (en) | Combination smoke and air quality detection | |
| CN209821020U (en) | Air quality detection device and vehicle | |
| CN206489039U (en) | Dust particle detection means | |
| CN209231161U (en) | A kind of PM2.5 dust sensor | |
| CN204988961U (en) | Small -size PM2. 5 sensor | |
| CN109813642A (en) | A kind of dust control device | |
| WO2020010893A1 (en) | Air quality measuring device and application thereof | |
| CN210051667U (en) | Dust concentration and carbon dioxide concentration detection and measurement device | |
| CN206002420U (en) | A kind of occupational health detection No clean laser dust detector | |
| CN217505822U (en) | Methane detection alarm device's air inlet unit | |
| CN210428780U (en) | Internet of things-based portable harmful gas detection alarm | |
| CN205643088U (en) | Dust concentration sensor | |
| CN218956204U (en) | Dust detection device in coal preparation workshop | |
| CN207066930U (en) | Dust concentration detection means with dust sensor | |
| CN105675463B (en) | Gas sample inlet for atmosphere detection equipment | |
| JPH05126717A (en) | Dust detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201109 Address after: 36 2012 Xinnan Community of Shuangyang Street, Luojiang District, Quanzhou City, Fujian Province Patentee after: XIRENMA COMBINED MEASUREMENT AND CONTROL (QUANZHOU) TECHNOLOGY Co.,Ltd. Address before: 361008, No. 155, East Xiamen Road, Fujian, No. 3 east hill international business center, building No. 6, No. D Patentee before: FATRI (XIAMEN) TECHNOLOGIES Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210723 Address after: Room 103-2, building a, phase II, science and technology building, 1057 Nanhai Avenue, Yanshan community, zhaoshang street, Nanshan District, Shenzhen, Guangdong 518052 Patentee after: Xi Ren Ma Da Zhou (Shenzhen) Medical Technology Co.,Ltd. Address before: 362012 Xinnan community, Shuangyang street, Luojiang District, Quanzhou City, Fujian Province Patentee before: XIRENMA COMBINED MEASUREMENT AND CONTROL (QUANZHOU) TECHNOLOGY Co.,Ltd. |