CN110411912A - Particulate matter monitoring module - Google Patents
Particulate matter monitoring module Download PDFInfo
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- CN110411912A CN110411912A CN201811105291.5A CN201811105291A CN110411912A CN 110411912 A CN110411912 A CN 110411912A CN 201811105291 A CN201811105291 A CN 201811105291A CN 110411912 A CN110411912 A CN 110411912A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 124
- 239000013618 particulate matter Substances 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- 238000007791 dehumidification Methods 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims description 66
- 239000000725 suspension Substances 0.000 claims description 53
- 238000006073 displacement reaction Methods 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 16
- 238000013022 venting Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000003760 hair shine Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002801 charged material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 231100001011 cardiovascular lesion Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
A kind of particulate matter monitoring module, include: a main body, it is made of air guide ontology and monitoring ontology, through the indoor heating element of multiple air storing cavities that air guide ontology is arranged in, to carry out heating and dehumidification into the intrinsic gas of air guide, monitoring ontology will be imported via the gas after heating and dehumidification again, enables to be located at partial size and concentration that the intrinsic sensor of monitoring is accurately detected suspended particulates, the interference for detecting suspended particulates so as to reducing aqueous vapor.
Description
Technical field
This case is about a kind of particulate matter monitoring module, and espespecially one kind can maintain monitoring standard humidity and combining to take in slim
The particulate matter monitoring module of formula device progress gas-monitoring.
Background technique
Suspended particulates refer to the solid particle or drop contained in air, since its partial size is very subtle, are easy to pass through
Vibrissa in nasal cavity enters the lung of human body, and then causes the inflammation, asthma or cardiovascular lesion of lung, if other are polluted
Object depends on suspended particulates, but will aggravate the harm to respiratory system.
Current gas detection is mostly fixed-point type, and only can measure gas information arround Gas observation station, Wu Fasui
When the concentration of suspended particulates is provided everywhere;In addition, the detection of suspended particulates is difficult to avoid that the interference of water vapour, in the ring of high humility
Under border, after particulate matter is surrounded by water vapour, volume becomes larger, and translucency is insufficient, while small hydrone (droplet) increases, these are all
It will have a direct impact on the accuracy of detection;In view of this, how to detect suspended particulates whenever and wherever possible, avoid environment warm and humid again
Degree has an impact testing result, to achieve the purpose that aerosol concentration can be detected whenever and wherever possible and accurately, actually mesh
Preceding problem in the urgent need to address.
Summary of the invention
The main purpose of this case is to provide a kind of particulate matter monitoring module, and combining carries out particle in slim portable apparatus
Monitoring.Particulate matter monitoring module is first sucked gas in first compartment by air inlet, in heating in first compartment, so that being located at first
It is able to maintain that every indoor gas in monitoring standard humidity, the sensing efficiency of lift gas sensor.In addition, main body has list
To the monitoring chamber of opening, to provide a unidirectional gas importing and derived monitoring.Resonance plate is then again through actuator
Actuating delivery gas, to achieve the purpose that particulate matter monitoring module carries out at-once monitor in slim portable apparatus.
The one broad sense state sample implementation of this case is a kind of particulate matter monitoring module, includes: a main body, a particulate matter monitoring pedestal, one
Actuator and a sensor.Main body is combined with each other by an air guide ontology and a monitoring ontology, and wherein air guide ontology has
Multiple gas storage chambers and multiple venting channels.Wherein each gas storage chamber is respectively equipped with an air inlet, a hot air discharge mouth, one
Gas outlet and a heating element.Heating element makes gas storage chamber interior because adding the indoor gas heating and dehumidification of air storing cavity
The formed vapor body of heat is discharged by hot air discharge mouth, and the gas after dehumidifying is exported through gas outlet.Wherein every two is adjacent
It communicates with each other between gas storage chamber through a corresponding venting channels, penetrates the indoor gas of each air storing cavity after dehumidifying
One corresponding venting channels be led to an adjacent gas storage chamber, so as to being carried out again except wet construction.It monitors in ontology
Portion is separated out an air inlet compartment and an outlet compartment by a carrying baffle region, and monitors ontology and be equipped with a gas vent, connection outlet every
Room and body exterior.It carries partition and is equipped with a communication port, be provided with being connected to air inlet compartment and outlet compartment.Particulate matter monitoring pedestal is set
It is placed in air inlet compartment and there is a monitoring channel.The one end for monitoring channel has a bearing slot, and bearing slot and monitoring channel
Connection.Actuator is set in particulate matter monitoring pedestal, imports monitoring channel to control gas by air inlet compartment, then via communication port
Connection is directed in outlet compartment, is finally discharged by gas vent, and the single direction gas so as to constituting monitoring ontology is sent.Sensing
Device is set on carrying partition, and is located in the monitoring channel of particulate matter monitoring pedestal, to monitor the gas in monitoring channel
Particle concentration.Whereby, when the extraneous gas of 40% or more humidity imports in air guide ontology, the gas storage chamber heating through concatenating is removed
It is wet, so that the humidity of gas is reached 10~40%, then import again in monitoring ontology, is sent in monitoring channel via actuator, and
Accurate particle concentration is gone out to the gas-monitoring in monitoring channel with sensor.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the first embodiment of this case particulate matter monitoring module.
Fig. 2 is the diagrammatic cross-section of the air guide ontology of this case first embodiment.
The diagrammatic cross-section that Fig. 3 is regarded by the gas storage chamber of this case first embodiment from the visual angle in contrast to Fig. 2.
Fig. 4 is the diagrammatic cross-section of the monitoring ontology of this case first embodiment.
Fig. 5 is that the diagrammatic cross-section of valve is arranged in the gas storage chamber of this case first embodiment.
Fig. 6 is the perspective exploded view of the actuator of this case first embodiment.
Fig. 7 A is the diagrammatic cross-section of the actuator of this case first embodiment.
Fig. 7 B to Fig. 7 C is the illustrative view of the actuator of this case first embodiment.
Fig. 8 A is the diagrammatic cross-section of the valve of this case first embodiment.
Fig. 8 B is the illustrative view of the valve of this case first embodiment.
Fig. 9 is the diagrammatic cross-section of the second embodiment of this case particulate matter monitoring module.
Figure 10 is the diagrammatic cross-section of the monitoring ontology of this case second embodiment.
Figure 11 is that the diagrammatic cross-section of valve is arranged in the gas storage chamber of this case second embodiment
The perspective exploded view that Figure 12 A is regarded by the actuator of this case second embodiment from depression angle.
Figure 12 B is looked up the perspective exploded view that angle regards by the actuator of this case second embodiment certainly.
Figure 13 A is the diagrammatic cross-section of the actuator of this case second embodiment.
Figure 13 B is the diagrammatic cross-section of the actuator of this case other embodiments.
Figure 13 C to Figure 13 E is the illustrative view of the actuator of this case second embodiment.
Description of symbols
1: main body
11: air guide ontology
111: gas storage chamber
1111: air inlet
1112: hot air discharge mouth
1113: gas outlet
1114: heating element
1115: the first connection perforation
1116: Temperature Humidity Sensor
1117: the second connection perforation
112: venting channels
12: monitoring ontology
121: carrying partition
121a: exposed parts
122: air inlet compartment
123: outlet compartment
124: gas vent
125: communication port
126: connecting hole
127: connector
2: particulate matter monitoring pedestal
21: monitoring channel
22: bearing slot
23: laser emitter
24: beam channel
3: actuator
3': actuator
31: fumarole piece
31': inlet plate
31a: connector
31b: suspension piece
31c: hollow bore
31a': air inlet
31b': busbar channel
31c': confluence chamber
32: chamber frame
32': resonance plate
32a': hollow hole
32b': movable part
32c': fixed part
33: actuation body
33a: piezoelectricity support plate
33b: adjustment sounding board
33c: piezoelectric board
33c': bracket
33': piezoelectric actuator
33a': suspension board
33b': outline border
33d': piezoelectric element
33e': gap
33f': protrusion
34: Insulating frame
34': the first insulating trip
35: conductive frame
35': conductive sheet
351': conductive connecting pin
352': electrode
36: resonator chamber
36': the second insulating trip
37: air-flow chamber
37': cavity space
4: sensor
5: circuit soft board
6: valve
61: holder
62: sealing element
63: displacement piece
611,621,631: through-hole
Specific embodiment
The some exemplary embodiments for embodying this case features and advantages will describe in detail in the explanation of back segment.It should be understood that
This case can have various variations in different aspects, all not depart from the range of this case, and explanation therein and diagram
It is illustrated as being used in itself, rather than to limit this case.
This case provides a kind of particulate matter monitoring module, please refers to Fig.1 to Fig.3, in this case first embodiment, particulate matter monitoring mould
Block includes a main body 1, a particulate matter monitoring pedestal 2, an actuator 3 and a sensor 4.Main body 1 is by an air guide ontology 11 and a prison
Ontology 12 is surveyed to be combined with each other.Air guide ontology 11 has multiple gas storage chambers 111 and multiple venting channels 112.Wherein, each
An air inlet 1111, a hot air discharge mouth 1112, a gas outlet 1113 and a heating element are all equipped on a gas storage chamber 111
1114.After gas enters gas storage chamber 111 by air inlet 1111, through heating element 1114 to the gas in gas storage chamber 111
The operation heated, to dehumidify, so that because heating is formed by vapor by 1112 row of hot air discharge mouth inside gas storage chamber 111
Outside for gas storage chamber 111.Finally, by being exported via the gas after heating, dehumidifying by gas outlet 1113.And each venting channels
112 are set between corresponding two adjacent air storing cavity room 111, are this means, between every two adjacent gas storage chambers 111
It crosses a corresponding venting channels 112 to communicate with each other, so that the gas in each gas storage chamber 111 is opposite through one after dehumidifying
The venting channels 112 answered are led to an adjacent gas storage chamber 111, so as to being carried out again except wet construction.
Please continue to refer to Fig. 1 and Fig. 4, monitor inside ontology 12 by a carrying partition 121 separate out an air inlet compartment 122 and
One outlet compartment 123.It monitors ontology 12 and is equipped with a gas vent 124, be connected to outside outlet compartment 123 and main body 1.Carry partition
121 are equipped with a communication port 125, and air inlet compartment 122 is made to be connected with outlet compartment 123.
Particulate matter monitoring pedestal 2 is set in air inlet compartment 122, and in this present embodiment, particulate matter monitoring pedestal 2 is set to carrying
On partition 121 and it is placed in air inlet compartment 122.Particulate matter monitoring pedestal 2 has a monitoring channel 21, monitors the one end in channel 21
With a bearing slot 22, bearing slot 22 is communicated with monitoring channel 21, and monitors the other end in channel 21 and the company of carrying partition 121
Port 125 is connected.
Actuator 3 is set in the bearing slot 22 of particulate matter monitoring pedestal 2, and closes bearing slot 22, with control gas by into
Air bound room 122 imports in monitoring channel 21, then is directed in outlet compartment 123 via communication port 125, finally by 124 row of gas vent
Out, it is sent so as to constituting the single direction gas of monitoring ontology 12.Sensor 4 is to be set on carrying partition 121, and be located at
In the monitoring channel 21 of particulate matter monitoring pedestal 2, to monitor the particle concentration of the gas in monitoring channel 21.Wherein, monitoring is logical
Road 21 is direct vertical connection to air inlet compartment 122, makes to be able to direct air guide above monitoring channel 21, does not influence air-flow importing,
It is so able to accelerate gas importing monitoring channel 21, and is detected through sensor 4, the efficiency of lift gas monitoring.
Please continue to refer to Fig. 1 and Fig. 4, particulate matter monitoring pedestal 24 has a laser emitter 23 and a beam channel 24.Swash
Optical transmitting set 23 and carrying partition 121 are electrically connected, and adjacent with beam channel 24, enter beam channel 24 to emit light beam
It is interior, and beam channel 24 is connected with monitoring channel 21, exposes to monitoring to guide the light beam that laser emitter 23 is emitted
In channel 21.When light beam exposes to the gas in monitoring channel 21, suspended particulates contained in gas will generate multiple light
Point, sensor 4 is by the partial size and concentration for receiving the sensing suspended particulates of luminous point caused by suspended particulates.In the present embodiment,
Sensor 4 is PM2.5 sensor, and but not limited to this.
Referring to Fig. 1, monitoring ontology 12 has more a connecting hole 126, stretch through for a circuit soft board 5 into so that circuit soft board
5 one end and actuator 3 are electrically connected.Circuit soft board 5 connect with actuator 3 after with sealing close connecting hole 126, avoid gas
It is imported in air inlet compartment 122 by connecting hole 126.In addition, there is carrying partition 121 an exposed parts 121a, which to penetrate, extends main body
Outside 1, exposed parts 121a is equipped with a connector 127.The other end of connector 127 and circuit soft board 5 is electrically connected, to
Carrying partition 121 and 5 electric energy of circuit soft board and signal are provided.In the present embodiment, carrying partition 121 is a circuit board, but not
As limit.
Please continue to refer to Fig. 1, after the extraneous gas of 40% or more humidity imports air guide ontology 11, by multiple concatenations
111 heating and dehumidification of gas storage chamber, so that then being imported again in monitoring ontology 12, warp after the humidity of gas reaches 10~40%
It is dense that the gas-monitoring for being sent to and being monitored in channel 21 by actuator 3, and monitored in channel 21 with 4 Duis of sensor goes out accurate particle
Degree.It is worth noting that, in the present embodiment, it is best that the humidity of gas, which is maintained at 20%~30%,.
Then referring to Fig. 3, air guide ontology 11 includes multiple Temperature Humidity Sensors 1116, it is respectively arranged at gas storage chamber
In 111, to monitor the humidity of gas in gas storage chamber 111 respectively, so as to adjusting separately the heating time of heating element 1114
And heating power.Wherein, each gas storage chamber 111 is further provided with one first connection perforation 1115 and one second connection perforation
1117.First connection perforation 1115 is worn for circuit soft board 5, so that circuit soft board 5 is able to be electrically connected heating element 1114, and
Gas is avoided to be entered in gas storage chamber 111 by the first connection perforation 1115 using the first connection of sealing closing perforation 1115.Second
Connection perforation 1117 is equally worn for circuit soft board 5, so that circuit soft board 5 is able to be electrically connected Temperature Humidity Sensor 1116, and
Using the second connection of sealing closing perforation 1117, gas is avoided to be entered in gas storage chamber 111 by the second connection perforation 1117.
It please refers to shown in Fig. 5, in the present embodiment, air guide ontology 11 is further provided with multiple valves 6, is respectively arranged at each gas storage
Air inlet 1111, hot air discharge mouth 1112 and the gas outlet 1113 of chamber 111, to control the gas storage chamber for carrying out heating and dehumidification
111 opening and closing, and with the monitoring of Temperature Humidity Sensor 1116 as a result, carrying out the open/close states of control valve 6.
This case has following embodiments about the dehumidifying heating method for importing gas in air guide ontology 11:
First embodiment is as follows first, and control valve 6 opens air inlet 1111, the hot air discharge of whole gas storage chambers 111
Mouth 1112 and gas outlet 1113, when the extraneous gas of 40% or more humidity being made to import air guide ontology 11, using series winding each other and even
Logical gas storage chamber 111 carries out the heating for multiple times dehumidifying of multi-chamber, and monitors gas storage chamber respectively with Temperature Humidity Sensor 1116
Gas humidity in 111, to adjust separately heating time and the heating power of heating element 1114.In addition, in gas storage chamber 111
It is discharged because heating and dehumidification is formed by vapor body by hot air discharge mouth 1112, and humidity reaches 10~40% gas after dehumidifying
Then it is imported into monitoring ontology 12.
Second embodiment is as follows, wherein a gas storage chamber 111 is when carrying out heating and dehumidification, control valve 6 opens wherein one
Air inlet 1111, the hot air discharge mouth 1112 of gas storage chamber 111 and the gas outlet 1113 for closing a wherein gas storage chamber 111, control
Make other gas storage chambers 111 valve 6 open the air inlets 1111 of other gas storage chambers 111, gas outlet 1113 and close other storages
The hot air discharge mouth 1112 of gas chamber 111 imports the extraneous gas of 40% or more humidity in a wherein gas storage chamber 111, by
1114 heating and dehumidification of heating element.Reach to the gas humidity in the monitoring of Temperature Humidity Sensor 1116 wherein a gas storage chamber 111
After one requirements, it is then turned on the gas outlet 1113 that the gas storage chamber 111 of heating and dehumidifying is completed, so that humidity is reached 10 whereby
~40% gas enters in monitoring ontology 12, to constitute the operation of single chamber heating and dehumidification.
Third embodiment is as follows, wherein a gas storage chamber 111 is when carrying out heating and dehumidification, control valve 6 opens wherein one
The air inlet 1111 and hot air discharge mouth 1112 of gas storage chamber 111 and the gas outlet 1113 for closing a wherein gas storage chamber 111, make
The extraneous gas of 40% or more humidity imports in a wherein gas storage chamber 111, by 1114 heating and dehumidification of heating element.To temperature and humidity
Sensor 1116 monitors the gas humidity in a wherein gas storage chamber 111 after a requirements, is then turned on gas outlet 1113, again will
Gas after dehumidifying imports next concatenated gas storage chamber 111 and carries out heating and dehumidification.The gas storage chamber of next series winding is controlled at this time
111 valve 6 opens air inlet 1111 and hot air discharge mouth 1112 and closes gas outlet 1113, adds gas after dehumidifying again
Heat dehumidifying.Equally the gas humidity in the gas storage chamber 111 of next series winding is monitored up to a requirements to Temperature Humidity Sensor 1116
Afterwards, it is then turned on gas outlet 1113, again gas after secondary dehumidifying other concatenated gas storage chambers 111 is imported into again and continued repeatedly
Heating and dehumidification in batches.Finally, export humidity enters in monitoring ontology 12 up to 10~40% demand gas, it is more to constitute multi-chamber
The operation of secondary heating and dehumidification in batches.
It, below will be with regard to the actuator of this case first embodiment after understanding the heating and dehumidification operation of above-mentioned particulate matter monitoring module
It 3 structure and is described as flowing mode.
Please refer to Fig. 6 to Fig. 7 C, the actuator 3 of this case first embodiment is a gas pump, and actuator 3 includes sequentially heap
Folded fumarole piece 31, chamber frame 32, actuation body 33, Insulating frame 34 and conductive frame 35.Fumarole piece 31 contains more
A connector 31a, a suspension piece 31b and a hollow bore 31c.The flexible vibration of suspension piece 31b, and multiple connector 31a are adjacent
It is connected to the periphery of suspension piece 31b.In this case first embodiment, its quantity of connector 31a is 4, is adjacent to suspension piece respectively
4 corners of 31b, but not this to be limited.Hollow bore 31c is formed in the center of suspension piece 31b.Chamber frame 32 carries
It is stacked and placed on suspension piece 31b, and the carrying of actuation body 33 is stacked and placed in chamber frame 32, and contains a piezoelectricity support plate 33a, a tune
Whole sounding board 33b, a piezoelectric board 33c.Wherein, piezoelectricity support plate 33a carrying is stacked and placed in chamber frame 32, adjusts sounding board 33b
Carrying is stacked and placed on piezoelectricity support plate 33a, and piezoelectric board 33c carrying is stacked and placed on adjustment sounding board 33b.Piezoelectric board 33c is for applying
Deformation occurs after voltage to drive piezoelectricity support plate 33a and adjustment sounding board 33b to carry out reciprocating bending vibration.Insulating frame 34 is held
Load is stacked and placed on the piezoelectricity support plate 33a of actuation body 33, and the carrying of conductive frame 35 is stacked and placed on Insulating frame 34.Wherein, it activates
A resonator chamber 36 is formed between body 33, chamber frame 32 and suspension piece 31b.Wherein, the thickness for adjusting sounding board 33b is greater than
The thickness of piezoelectricity support plate 33a.
Fig. 7 A is please referred to, actuator 3 penetrates the bearing slot 22 that connector 31a makes actuator 3 be set to particulate matter monitoring pedestal 2
In.The bottom surface interval of fumarole piece 31 and bearing slot 22 is arranged, and in forming an air-flow chamber 37 between the two.Please then join
Fig. 7 B is read, when applying a voltage to the piezoelectric board 33c of actuation body 33, piezoelectric board 33c starts to generate deformation and same because of piezoelectric effect
Portion drives adjustment sounding board 33b and piezoelectricity support plate 33a to generate displacement.At this point, fumarole piece 31 can be because of helmholtz resonance
(Helmholtz resonance) principle is driven together, so that actuation body 33 is mobile to the direction far from 22 bottom surface of bearing slot.
It is mobile to the direction far from 22 bottom surface of bearing slot due to actuation body 33, so that between fumarole piece 31 and the bottom surface of bearing slot 22
The volume of air-flow chamber 37 increases, and air pressure forms negative pressure inside it, causes the air outside actuator 3 because barometric gradient is by spraying
Gap between the connector 31a of stomata piece 31 and the side wall of bearing slot 22 enters air-flow chamber 37 and carries out collection pressure.Finally ask
Refering to Fig. 7 C, when gas constantly enters in air-flow chamber 37, and the air pressure in air-flow chamber 37 is made to form positive pressure, actuation body 33
, the volume of compressed air stream chamber 37 mobile to the bottom surface of bearing slot 22 is driven by voltage, and pushes air in air-flow chamber 37,
Enter gas in airflow channel 21.Whereby, it is dense to be able to suspended particulates contained by the gas in detection airflow channel 21 for sensor 4
Degree.
Actuator 3 in this case first embodiment is a gas pump, and the actuator 3 of certain this case also can pass through micro electronmechanical system
The MEMS gas pump that the mode of journey is produced.Wherein, fumarole piece 31, chamber frame 32, actuation body 33, Insulating frame
34 and conductive frame 35 all can pass through face type micro-processing technology be made, so as to reduce actuator 3 volume.
The specific structure of valve 6, please refers to Fig. 8 A and Fig. 8 B to illustrate, valve 6 include a holder 61, a sealing element 62 and
One displacement piece 63.Displacement piece 63 is set between holder 61 and sealing element 62 and can be displaced between the two.Have on holder 61
There are multiple through-holes 611, and 611 position of through-hole on the corresponding holder 61 of displacement piece 63 also sets through-hole 631.The through-hole of holder 61
611 and displacement piece 63 through-hole 631, position be mutually aligned.Sealing element 62 is equipped with multiple through-holes 621, and sealing element 62
Through-hole 621 on holder 61 through-hole 611 position formed dislocation and be misaligned.The holder 61 of valve 6, sealing element 62 and
Displacement piece 63 connects a processor (not shown) through circuit soft board 5, the displacement of processor command displacement part 63, constitutes valve 6
It opens.
The displacement piece 63 of valve 6 can be an electrically charged material, and holder 61 is a dipolar conductive material.Holder 61
It is electrically connected the processor of circuit soft board 5, to control the polarity (positive electrical polarity or negative electricity polarity) of holder 61.If displacement piece
63 be a negatively charged material, and when the 6 controlled unlatching of palpus of valve, processor controls holder 61 and forms a positive electrode, at this time position
It moves part 63 and holder 61 maintains opposed polarity, can so make displacement piece 63 close towards holder 61, constitute the unlatching of valve 6 (such as
Shown in Fig. 8 B).Conversely, when the 6 controlled closing of palpus of valve, processor control is kept if displacement piece 63 is a negatively charged material
Part 61 forms a negative electrode, and displacement piece 63 and holder 61 maintain identical polar at this time, keeps displacement piece 63 close towards sealing element 62,
Constitute the closing (as shown in Figure 8 A) of valve 6.
Alternatively, the displacement piece 63 of valve 6 can also be a magnetic material, and holder 61 be one can controlled conversion it is polar
Magnetic material.Holder 61 is electrically connected the processor of circuit soft board 5, and the polarity to control holder 61 is (positive or negative
Pole).If displacement piece 63 is a magnetic material with cathode, when the 6 controlled unlatching of palpus of valve, processor controls holder 61 and forms one
The magnetism of anode, displacement piece 63 and holder 61 maintain opposed polarity at this time, keep displacement piece 63 close towards holder 61, constitute valve
6 open (as shown in Figure 8 B).Conversely, if displacement piece 63 is a magnetic material with cathode, when the 6 controlled closing of palpus of valve, processing
Device controls the magnetism that holder 61 forms a cathode, and displacement piece 63 and holder 61 maintain identical polar at this time, makes displacement piece 63
It is close towards sealing element 62, constitute the closing (as shown in Figure 8 A) of valve 6.
Please refer to Fig. 9 to Figure 11, the structure of the second embodiment of this case particulate matter monitoring module and make flowing mode generally with
First embodiment is identical, does not exist together and is only that the structure of actuator 3' and makees flowing mode, below will be with regard to this case second embodiment
It the structure of actuator 3' and is described as flowing mode.
Please refer to Figure 12 A, Figure 12 B and Figure 13 A, the actuator 3' of this case second embodiment is a gas pump, including one
Inlet plate 31', a resonance plate 32', a piezoelectric actuator 33', one first insulating trip 34', a conductive sheet 35' and one second are exhausted
Embolium 36'.Inlet plate 31', resonance plate 32', piezoelectric actuator 33', the first insulating trip 34', the insulation of conductive sheet 35' and second
Piece 36' is sequentially stacked combination.
In second embodiment, inlet plate 31' has an at least air inlet 31a', at least a busbar channel 31b' and one
Converge chamber 31c'.Busbar channel 31b' is corresponding air inlet 31a' and is arranged.Air inlet 31a' is for importing gas, busbar channel
31b' guidance flow to confluence chamber 31c' from the gas that air inlet 31a' is imported.Resonance plate 32' has a hollow hole 32a', one can
A dynamic portion 32b' and fixed part 32c'.Hollow hole 32a' corresponds to the confluence chamber 31c' of inlet plate 31' and is arranged.Movable part
32b' is arranged around hollow hole 32a', and the periphery of movable part 32b' is arranged in fixed part 32c'.Resonance plate 32' with it is piezoelectric actuated
A cavity space 37' is collectively formed between it in device 33'.Therefore, when piezoelectric actuator 33' is driven, gas can be by air inlet
The air inlet 31a' of plate 31' is imported, then is collected to confluence chamber 31c' through busbar channel 31b'.Then, gas passes through resonance again
The hollow hole 32a' of piece 32', so that the movable part 32b' of piezoelectric actuator 33' and resonance plate 32' generates resonance to transmit gas.
It please continue 2A, Figure 12 B refering to fig. 1 and Figure 13 A, piezoelectric actuator 33' includes a suspension board 33a', an outline border
33b', at least a bracket 33c' and a piezoelectric element 33d'.In the present embodiment, suspension board 33a' has a square shape
State, and flexible vibration, but not limited to this.Suspension board 33a' has a protrusion 33f'.In second embodiment, suspension board
33a''s so be since compared to circular form, the structure of square suspension board 33a' is bright using square form Design
The aobvious advantage with power saving.The capacity load operated under resonant frequency, consumption power can with the rising of resonant frequency and
Increase, because the more round suspension board of resonant frequency of square suspension board 33a' is low, therefore consumed power also can be lower.However,
In other embodiments, the 33a' form of suspension board can change according to actual demand.Outline border 33b' surround and is set to suspension board
The outside of 33a'.Bracket 33c' is connected between suspension board 33a' and outline border 33b', flexibly supports suspension board 33a' to provide
Support force.Piezoelectric element 33d' has a side length, is less than or equal to a side length of suspension board 33a'.And piezoelectric element 33d'
It is attached on a surface of suspension board 33a', to apply driving voltage to drive suspension board 33a' bending vibration.Suspension board
An at least gap 33e' is formed between 33a', outline border 33b' and bracket 33c', to for gas to pass through.Protrusion 33f' is convexly equipped in outstanding
On another surface of kickboard 33a'.In second embodiment, suspension piece 33a' and protrusion 33f' is to be produced using an etch process
Integrated formed structure, but not limited to this.
Figure 13 A is please referred to, in second embodiment, cavity space 37' is using in resonance plate 32' and piezoelectric actuator
Generated one material of gap filling between the outline border 33b' of 33', such as conducting resinl, but not limited to this, so that resonance plate 32'
Certain depth can be maintained between suspension board 33a', and then can be guided gas and more quickly be flowed.In addition, because of suspension board 33a'
Suitable distance is kept with resonance plate 32', reduces mutual contact interference, the generation of noise can also be lowered.In other implementations
In example, resonance plate 32' and piezoelectric actuator can be filled in reduce by the height for the outline border 33b' for increasing piezoelectric actuator 33'
The conducting resinl thickness in gap between the outline border 33b' of 33'.In this way, still may make suspension board 33a' and resonance plate 32'
In the case where keeping suitable distance, the overall package of actuator 3' will not influence conducting resinl because of hot pressing temperature and cooling temperature
Filling thickness avoids conducting resinl from influencing the actual size of cavity space 37' after finishing assembly because of the factor of expanding with heat and contract with cold.
Figure 13 B is please referred to, in other embodiments, suspension board 33a' can be adopted to be shaped with impact style, makes suspension board
33a' extends outwardly a distance, and the distance that extends outwardly can be formed between suspension board 33a' and outline border 33b' by bracket 33c' and be adjusted
It is whole, so that both the surface of the protrusion 33f' on suspension board 33a' and the surface of outline border 33b' is formed non-co-planar.It is used in outer
Assembling for frame 33b' is coated with a small amount of filling material on surface, such as: conducting resinl is bonded piezoelectric actuator 33' with hot pressing mode
In the fixed part 32c' of resonance plate 32', so that piezoelectric actuator 33' is able to assemble combination with resonance plate 32', so directly
It adopts through by the suspension board 33a' of above-mentioned piezoelectric actuator 33' with the stamping structural improvement for being constituted a cavity space 37', institute
The cavity space 37' needed is able to complete through the stamping distance of suspension board 33a' of adjustment piezoelectric actuator 33', effectively
The advantages that simplifying the structure design of adjustment cavity space 37', while also reaching simplified processing procedure, shortening processing time.
Figure 12 A and Figure 12 B is gone back to, in second embodiment, the first insulating trip 34', conductive sheet 35' and the second insulating trip
36' is all the slim sheet body of frame-type, and but not limited to this.Inlet plate 31', resonance plate 32', piezoelectric actuator 33', the first insulation
Piece 34', conductive sheet 35' and the second insulating trip 36' all can pass through micro electronmechanical face type micro-processing technology processing procedure, make actuator 3'
Volume-diminished, with constitute a MEMS actuator 3'.
Then, Figure 13 C is please referred to, in piezoelectric actuator 33' actuation process, the piezoelectric element of piezoelectric actuator 33'
33d' generates deformation after being applied driving voltage, drives suspension board 33a' to be displaced to the direction far from inlet plate 31', at this time chamber
The volume of space 37' is promoted, and in foring negative pressure in cavity space 37', the gas just drawn in confluence chamber 31c' enters chamber
In the 37' of room space.Meanwhile resonance plate 32' generates the synchronous direction to separate inlet plate 31' of resonance and is displaced, it is related to increase remittance
Flow the volume of chamber 31c'.And because the gas in confluence chamber 31c' enters the relationship of cavity space 37', confluence chamber is caused
It is similarly negative pressure state in 31c', and then confluence chamber is entered come draw gas by air inlet 31a' and busbar channel 31b'
In 31c'.
Come again, as illustrated in figure 13d, piezoelectric element 33d' drives suspension board 33a' to be displaced towards inlet plate 31', compression chamber
Space 37' generates resonance and is displaced towards inlet plate 31', force synchronization likewise, resonance plate 32' is suspended plate 33a' actuating
The gas pushed in cavity space 37' is further transmitted by gap 33e', to achieve the effect that transmit gas.
Finally, as shown in figure 13e, when suspension board 33a' is driven the state for being returned to and not driven by piezoelectric element 33d'
When, resonance plate 32' is also driven simultaneously and is displaced to the direction far from inlet plate 31', and resonance plate 32' at this time is by compression chamber
Gas in the 37' of space is mobile to gap 33e', and promotes the volume in confluence chamber 31c', and gas can constantly be led to
Air inlet 31a' and busbar channel 31b' are crossed to converge in confluence chamber 31c'.Through being repeated continuously above-mentioned Figure 13 C extremely
Actuator 3' actuation step shown in Figure 13 E, enables actuator 3' continuously to make gas flow at high rates, reaches actuator 3' transmission
With the operation of output gas.
Then, 2A and Figure 12 B refering to fig. 1 is gone back to, the outer rim of conductive sheet 35' protrudes out conductive connecting pin a 351', Yi Jicong
Inner edge protrudes out bending an electrode 352', electrode 352' and is electrically connected the piezoelectric element 33d' of piezoelectric actuator 33'.Conductive sheet
The conductive connecting pin 351' of 35' connects foreign current outward, so as to driving the piezoelectric element 33d' of piezoelectric actuator 33'.In addition, the
The setting of one insulating trip 34' and the second insulating trip 36' can avoid the generation of short circuit.
In conclusion particulate matter monitoring module provided by this case, in heating element is arranged in multiple air storing cavity rooms, so that by
Air guide ontology imports the intrinsic air of monitoring and humidity is kept to will be maintained at 10~40% humidity in 10~40%, then by actuator
Gas by air inlet compartment import monitoring channel in, to detect the partial size and concentration of suspended particulates.It is wet through maintenance monitoring standard
It spends to promote the monitoring efficiency of suspended particulates, and then promotes the effect of detection suspended particulates.In addition, particle provided by this case is supervised
It surveys module combining and carries out suspended particulates monitoring in slim portable apparatus, cooperation modern carries the habit that can take device
It is used, to reach the effect of detecting suspended particulates whenever and wherever possible, great industry applications and progressive.
This case appointed as person familiar with the technology apply craftsman think and be it is all as modify, it is so neither de- such as attached claim
Be intended to Protector.
Claims (17)
1. a kind of particulate matter monitoring module, characterized by comprising:
One main body is combined with each other by an air guide ontology and a monitoring ontology, and wherein the air guide ontology includes
Multiple gas storage chambers, wherein each gas storage chamber be respectively equipped with an air inlet, a hot air discharge mouth, a gas outlet and
One heating element, the heating element make the gas storage chamber interior because heating institute the indoor gas heating and dehumidification of the air storing cavity
The vapor body of formation is discharged by the hot air discharge mouth, and the gas after dehumidifying is exported through the gas outlet;And
Multiple venting channels, wherein connecting each other between every two adjacent gas storage chambers through the corresponding venting channels
It is logical, make each indoor gas of the air storing cavity after dehumidifying through the corresponding venting channels be led to one it is adjacent should
Gas storage chamber, so as to being carried out again except wet construction;
The monitoring body interior is separated out an air inlet compartment and an outlet compartment by a carrying baffle region, and the monitoring ontology is equipped with one
Gas vent, the gas vent are connected to the outlet compartment and the body exterior, which is equipped with a communication port, which supplies
To be connected to the air inlet compartment and the outlet compartment;
One particulate matter monitoring pedestal is set in the air inlet compartment, and has a monitoring channel, and the one end in the monitoring channel has one
Bearing slot, the bearing slot are connected to the monitoring channel;
One actuator is set in the particulate matter monitoring pedestal, imports the monitoring channel to control gas by the air inlet compartment, then pass through
It is directed in the outlet compartment by the communication port, is finally discharged by the gas vent, so as to constituting the single direction gas of the monitoring ontology
Body delivery;And
One sensor is set on the carrying partition, and is located in the monitoring channel of the particulate matter monitoring pedestal, to monitor this
Monitor the particle concentration of the gas in channel;
Whereby, after the extraneous gas of 40% or more humidity imports the air guide ontology, each gas storage chamber heating through concatenating
Dehumidifying, makes the humidity of gas reach 10~40%, then imports again in the monitoring ontology, be sent to the monitoring via the actuator
In channel, and accurate particle concentration is gone out to the gas-monitoring in the monitoring channel with the sensor.
2. particulate matter monitoring module as described in claim 1, which is characterized in that it is most that the humidity of gas, which is maintained at 20%-30%,
It is good.
3. particulate matter monitoring module as described in claim 1, which is characterized in that the air guide ontology includes multiple temperature and humidity sensings
Device is respectively arranged in each air storing cavity room, to monitor the humidity of each indoor gas of the air storing cavity, so as to adjusting respectively
The heating time of the whole heating element and heating power.
4. particulate matter monitoring module as claimed in claim 3, which is characterized in that the air guide ontology includes multiple valves, is set to every
The air inlet of the one gas storage chamber, the hot air discharge mouth, in the gas outlet, to control each storage for carrying out heating and dehumidification
The opening and closing of gas chamber, and with Temperature Humidity Sensor monitoring as a result, controlling the open/close states of the valve.
5. particulate matter monitoring module as claimed in claim 4, which is characterized in that the gas storage chamber is when carrying out heating and dehumidification, control
It makes the valve and opens the air inlet, the gas outlet and the hot air discharge mouth, the extraneous gas of 40% or more humidity is made to import the air guide
In ontology, and by each gas storage chamber for being one another in series to carry out heating for multiple times dehumidifying, because adding in each air storing cavity room
Heat dehumidifying be formed by vapor body be discharged by the hot air discharge mouth, and humidity reaches 10~40% gas then after dehumidifying
It is imported into the monitoring ontology.
6. particulate matter monitoring module as claimed in claim 4, which is characterized in that wherein the gas storage chamber is carrying out heating and dehumidification
When, which opens the air inlet and the hot air discharge mouth and closes the gas outlet, other each gas storage chambers control the valve
It opens the air inlet and the gas outlet and closes the hot air discharge mouth, import the extraneous gas of 40% or more humidity and added
It in the air storing cavity room of heat dehumidifying, is dehumidified by the heating element heats, is monitored to the Temperature Humidity Sensor and carry out heating and dehumidification
After the indoor gas humidity of the air storing cavity reaches a requirements, it is then turned on should going out for the gas storage chamber that heating and dehumidifying is completed
Port, the gas that export humidity reaches 10~40% enters in the monitoring ontology after passing through other each gas storage chambers, with structure
At the operation of single chamber heating and dehumidification.
7. particulate matter monitoring module as claimed in claim 4, which is characterized in that wherein the gas storage chamber is carrying out heating and dehumidification
When, it controls the valve and opens the air inlet and the hot air discharge mouth and close the gas outlet, make the external gas of 40% or more humidity
Body imports in the air storing cavity room, is dehumidified by the heating element heats, monitors the indoor gas of the air storing cavity to the Temperature Humidity Sensor
Body humidity is then turned on the gas outlet up to after a requirements, and the multiple gas by after dehumidifying imports next concatenated each air storing cavity
The air inlet and the hot gas are opened in the valve control of indoor carry out heating and dehumidification, concatenated each gas storage chamber next at this time
Discharge outlet and close the gas outlet, make dehumidifying after gas carry out heating and dehumidification again, equally to the Temperature Humidity Sensor monitoring should
The indoor gas humidity of air storing cavity is then turned on the gas outlet up to after a requirements, multiple that gas after secondary dehumidifying is imported it again
His concatenated each gas storage chamber continues repeatedly heating and dehumidification in batches, finally exports humidity up to 10~40% demand gas
Body enters in the monitoring ontology, to constitute the multi-chamber repeatedly operation of heating and dehumidification in batches.
8. particulate matter monitoring module as described in claim 1, which is characterized in that the sensor is PM2.5 sensor.
9. particulate matter monitoring module as described in claim 1, which is characterized in that the actuator is a MEMS gas pump.
10. particulate matter monitoring module as described in claim 1, which is characterized in that the actuator is a gas pump, it includes:
One fumarole piece, includes multiple connectors, a suspension piece and a hollow bore, and the flexible vibration of suspension piece is multiple
Connector is adjacent to the suspension piece periphery, and the hollow bore is formed in the center of the suspension piece, multiple connector bullet
Property support the suspension piece, and held through multiple connector being arranged the actuator being made to be set to this of the particulate matter monitoring pedestal
It sets in slot, an air-flow chamber is formed between the fumarole piece and the bearing slot, and at least a gap is formed in multiple connection
Between part and the suspension piece;
One chamber frame, carrying are stacked and placed on the suspension on piece;
One actuation body, carrying are stacked and placed in the chamber frame, generate reciprocally bending vibration to receive voltage;
One Insulating frame, carrying are stacked and placed in the actuation body;And
One conductive frame, carrying is folded to be set on the Insulating frame;
Wherein, form a resonator chamber between the actuation body, the chamber frame and the suspension piece, through drive the actuation body with band
It moves the fumarole piece and generates resonance, so that the suspension piece of the fumarole piece is generated reciprocally vibration displacement, so as to driving the gas
Body enters the air-flow chamber by an at least gap, enters back into the monitoring channel, realizes the transmission of the gas.
11. particulate matter monitoring module as claimed in claim 10, which is characterized in that the actuation body includes:
One piezoelectricity support plate, carrying are stacked and placed in the chamber frame;
One adjustment sounding board, carrying are stacked and placed on the piezoelectricity support plate;And
One piezoelectric board, carrying are stacked and placed on the adjustment sounding board, drive the piezoelectricity support plate and the adjustment total to receive voltage
Vibration plate generates reciprocally bending vibration.
12. particulate matter monitoring module as claimed in claim 11, which is characterized in that the thickness of the adjustment sounding board is greater than the piezoelectricity
The thickness of support plate.
13. particulate matter monitoring module as described in claim 1, which is characterized in that the actuator is a gas pump, it includes:
One inlet plate has an at least air inlet, an at least busbar channel for the corresponding air inlet position and a confluence chamber,
The air inlet is to import gas, and the busbar channel is to guide from the gas that the air inlet imports to the confluence chamber;
One resonance plate, hollow hole and a movable part around the hollow hole with a corresponding confluence chamber location;
And
One piezoelectric actuator, and the resonance plate corresponding setting in position, the inlet plate, the resonance plate and this is piezoelectric actuated
Device is sequentially to stack setting, a cavity space is formed between the resonance plate and the piezoelectric actuator, to make the piezoelectric actuator
It when being driven, imports gas by the air inlet of the inlet plate, is collected to the confluence chamber through the busbar channel, then by being somebody's turn to do
Hollow hole of resonance plate, so that the movable part of the piezoelectric actuator and the resonance plate generates resonance to transmit gas.
14. particulate matter monitoring module as claimed in claim 13, which is characterized in that the piezoelectric actuator includes:
One suspension board has a square form, and flexible vibration;
One outline border, around the outside for being set to the suspension board;
An at least bracket is connected between the suspension board and the outline border, to provide resilient support;And
One piezoelectric element has a side length, which is less than or equal to a side length of the suspension board, and the piezoelectric element attaches
In on a surface of the suspension board, to apply voltage to drive the suspension board bending vibration.
15. particulate matter monitoring module as claimed in claim 13, it is characterised in that:
The actuator further includes one first insulating trip, a conductive sheet and one second insulating trip, wherein the inlet plate, the resonance
Piece, the piezoelectric actuator, first insulating trip, the conductive sheet and second insulating trip are sequentially to stack setting.
16. particulate matter monitoring module as described in claim 1, which is characterized in that the carrying partition is a circuit board.
17. particulate matter monitoring module as claimed in claim 16, which is characterized in that the particulate matter monitoring pedestal and the sensor with should
It carries partition to be electrically connected, which includes a laser emitter, and the laser emitter and the carrying partition are electrical
Connection, and it is equipped with a beam channel, which is connected with the monitoring channel, shines for the light beam of the laser transmitter projects
It is incident upon in the monitoring channel, so that the suspension grain that the gas in the monitoring channel is included generates projection light after being irradiated by light beam
Point is sensed by the sensor.
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