CN107941669A - A kind of binary channels air quality detecting device - Google Patents
A kind of binary channels air quality detecting device Download PDFInfo
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- CN107941669A CN107941669A CN201711403725.5A CN201711403725A CN107941669A CN 107941669 A CN107941669 A CN 107941669A CN 201711403725 A CN201711403725 A CN 201711403725A CN 107941669 A CN107941669 A CN 107941669A
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- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000005070 sampling Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005622 photoelectricity Effects 0.000 claims description 4
- 238000012372 quality testing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000004087 circulation Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 101100084627 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pcb-4 gene Proteins 0.000 description 1
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- 230000002146 bilateral effect Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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Abstract
The invention discloses a kind of binary channels air quality detecting device, it includes housing, Detection of Air Quality module, wind turbine and master control pcb board, first passage and second channel are formed in the Detection of Air Quality module, the wind turbine includes the first wind turbine and the second wind turbine, Detection of Air Quality module includes two laser modules and two photodiodes set in outer eight-shaped, the in-car air of wherein passage connection, another outer air of passage connection car, form two-way independent detection air flue, each passage corresponds to a wind turbine independent sample and is mutually independent of each other, discharged by exhaust fan, the laser of laser module passes through air flue, dust particle scattering light in air flue feeds back to photodiode, photodiode potential change is handled by circuit data and draws PM2.5 numerical value.
Description
Technical field
The present invention relates to the technical field of Detection of Air Quality equipment, particularly relates to a kind of bilateral of vehicle-mounted two fans
Road air quality detecting device.
Background technology
In the prior art, the vehicular air purifier of early stage, in-car air quality is detected by PM2.5 air borne sensors,
For in-car air purifier, which can only detect in-car air quality, and can not detect air quality outside car.
To solve the above-mentioned problems, the earlier application of Application No. 201720077961.1 proposes for present invention applicant
A kind of improvement project, it discloses a kind of binary channels air quality detecting device, including housing, first laser module, the first silicon
Photodiode, second laser module, the second silicon photoelectric diode, PCB components and wind turbine；The first inlet channel is formed in housing
With the second inlet channel；PCB components are installed in the housing, and first laser module and the first silicon photoelectric diode are installed on PCB groups
On part, it is electrically connected respectively with PCB components, first laser module transmitting terminal is located in the first inlet channel, two pole of the first silicon photoelectricity
Pipe is placed in the first inlet channel；Second laser module and the second silicon photoelectric diode are installed on PCB components, respectively with PCB
Component is electrically connected, and second laser module transmitting terminal is located in the second inlet channel, and the second silicon photoelectric diode is placed in the second air inlet
In passage；In the housing, the inlet end of wind turbine connects the outlet of the first inlet channel and the second inlet channel to assembling at the same time
End, the exhaust end connection outside atmosphere of wind turbine.When detecting air quality, wherein the in-car air of inlet channel connection, another
The outer air of inlet channel connection car, forms two-way independent detection air flue, is discharged by exhaust fan, PCB components arrangement mode of laser
Group, laser pass through air flue, and the dust particle scattering light in air flue feeds back to silicon photoelectric diode, silicon photoelectric diode potential change
Handled by circuit data and draw PM2.5 numerical value.
Although the first patent has clear advantage compared to the vehicular air purifier before it, still suffer from
Lower deficiency：
1st, the binary channels detection of air quality module extracts two passages at the same time using single wind turbine, and this structure is outside sampling vehicle
During air, air-conditioning opens the air-flow to be formed and produces large effect to the accuracy of detection of the module, can not take into account two passage inspections
The stability of survey.
2nd, laser module is before the use, it is necessary to verifies whether its laser intensity meets the requirements, so as to ensure the air matter
The normal operation of amount detection module, the first laser module and second laser module of the first patent are arranged in parallel in the same of housing
On one side, both is in small distance, when being verified to two laser module intensity, easily interferes with each other, is unfavorable for mode of laser
The verification of group intensity, also, the two laser modules vertical space that can be taken that is set in parallel is larger, is unfavorable for the miniaturization of product
Design, and this structure design is suitable only for placing single wind turbine, can not place two fans.
3rd, existing wind turbine carries lead terminal, and assembly type needs artificial grafting terminal, can not meet Automated assembly work
Skill.
4th, since the wind turbine of the first patent does not design noise reducing mechanism, in wind turbine in use, in particular by the dry of air-flow
When disturbing, larger noise can be produced, influences the experience of product.
5th, since the thief hatch of Detection of Air Quality module is normally located at the middle control position of vehicle, have on control device
There is engine, engine generates heat in vehicle operation, and surrounding air themperature can be made to increase, and during sampling, air is by adopting
Sample pipe enters, and by that can be heated during engine environment, enters back into colder pipeline（When particularly in-car opens air-conditioning）, air
Condensed water can be formed to the cold so that the air quality and actual air mass detected has larger deviation, influences detection
Precision.
In view of this, the designer for above-mentioned binary channels air quality detecting device design on do not attain improve caused by
Many missings and inconvenience, and deeply conceive, and actively research improvement has a fling at and develops and design the present invention.
The content of the invention
It is high it is a primary object of the present invention to provide a kind of accuracy of detection, two Air conduct measurement stability can be taken into account, and
Overall structure is more compact, can also be easy to the binary channels air quality detecting device of laser intensity detection.
Another object of the present invention is to provide a kind of binary channels air quality detecting device of achievable Automated assembly.
A further object of the present invention is to provide a kind of binary channels air quality detecting device for reducing noise.
In order to achieve the above objectives, solution of the invention is：
A kind of binary channels air quality detecting device, its Detection of Air Quality module, the wind that include a housing, be arranged in housing
Machine and the master control pcb board of connection control quality testing module and wind turbine, form first passage and the in Detection of Air Quality module
Two passages, first passage and second channel have a thief hatch and an air outlet respectively, and the wind turbine includes corresponding first passage
And the first wind turbine and the second wind turbine that second channel is set, the inlet end of the first wind turbine and the air outlet of first passage connect, the
The inlet end of two wind turbines and the air outlet of second channel connect, and the outlet side of two wind turbines is all connected with outside atmosphere, the air matter
Amount detection module includes the first laser module and second laser module that corresponding first passage and second channel are set, two laser
The transmitting terminal of module is set in outer eight-shaped, and wherein a laser module transmitting terminal is located in first passage, in the first passage just
To being equipped with the first photodiode at the position of the laser module transmitting terminal, second laser module transmitting terminal is located at second channel
In, the second photodiode, two laser modules and two photoelectricity two are equipped with the second channel at the position of the face laser module
Pole pipe is connected with circuit board, and is electrically connected by circuit board with master control pcb board.
Further, body and the circuit board of the Detection of Air Quality module with rectangular parallelepiped structure, described first
Passage, second channel, first laser module, second laser module are arranged in the body.
Further, the thief hatch of the first passage and second channel is arranged on same one side of the body, first passage and
Second channel is respectively L-type or J-type, first laser module and the transmitting terminal face L-type of second laser module or turning for J-type passage
At angle.
Further, the thief hatch of the first passage and second channel is separately positioned on the both sides of the body, this is first logical
Road and second channel are respectively Z-type, and the transmitting terminal face Z-type passage of first laser module and second laser module is away from thief hatch
Corner.
Further, the thief hatch of the first passage and second channel connects sampling pipe, each connector by a connector respectively
One end connection thief hatch, other end connection sampling pipe, is equipped with a cavity volume in connector, is provided with a filter core in cavity volume, filter core is set
There is the stomata of multiple supplied gas circulations, cavity volume is additionally provided with the sink for condensed water storage below stomata.
Further, the connector includes a plug being connected with thief hatch and a pipe being connected with sampling pipe and inserts, plug and
Pipe, which is inserted, to be connected, and the plug junction slotting with pipe forms the cavity volume, and the filter core is arranged in cavity volume, and filter core is inserted with pipe to be connected
One end top connect is equipped with stomata, and filter core inserts connection in the sink of shaping directly below of stomata, the cavity volume in filter core and pipe
One end between be additionally provided with a gasket.
The connector includes a plug being connected with thief hatch and a pipe being connected with sampling pipe is inserted, and plug is closed with pipe inserting
Connection, one end that the pipe is inserted are connected with sampling pipe, and the other end is connected with plug, between the ends equipped with the cavity volume, the pipe
Insert the one end being connected with plug and protrude out to formation convex parapet in cavity volume, make to form the water of an indent in the periphery of convex parapet in cavity volume
Groove, the filter core are arranged in arcuation between the convex parapet and plug that pipe inserts, and it is close to be additionally provided with one between the filter core and the slotting convex parapet of pipe
Packing.
Further, first wind turbine and the second wind turbine include a Fan casing respectively, are respectively arranged with and turn in each Fan casing
Son and wind wheel, the Fan casing of two wind turbines are linked together by a connecting plate, and connecting plate is equipped with a top needle connector, each rotor
On be provided with a plurality of leads, each lead is respectively connected to top needle connector, and top needle connector is equipped with multiple thimbles, the master control
Pcb board is equipped with multiple conductive contacts of corresponding thimble, and the circuit board of the Detection of Air Quality module is equipped with multiple metals
Contact contact, the master control pcb board are equipped with multiple pins of corresponding hard contact.
Further, a wind turbine sealing cover is combined with the top of the Fan casing, the wind turbine sealing cover correspond to the first wind turbine and
A connecting hole is respectively equipped with the position of second wind turbine, the bottom of Fan casing is combined with a fan shock-absorbing pad.
Further, the outlet side of first wind turbine and the second wind turbine connects an inner wall smooth noise-reduction joint, the drop respectively
Connector of making an uproar is tapered outward by the outlet side of the first wind turbine and the second wind turbine.
Further, the housing includes upper cover, middle cover and lower cover, and upper cover coordinates to be coordinated in the top of middle cover, lower cover
The lower part of lid, middle cover is interior to be equipped with a partition plate that middle cover is partitioned into upper chamber and lower chambers, and the Detection of Air Quality module is set
Put in the upper chamber of middle cover, the first wind turbine and the second wind turbine are arranged on the bottom chamber of middle cover, and master control pcb board is arranged on middle cover
Upper chamber or bottom chamber, partition plate are equipped with the two through hole of corresponding first passage and second channel, which is additionally provided with for master
The through hole that control pcb board is connected with the first wind turbine, the second wind turbine or Detection of Air Quality module.
With the above structure, two wind are set compared to existing structure, binary channels air quality detecting device of the present invention
Machine, two wind turbines respectively sample the air outside in-car and car, are mutually independent of each other, and can effectively reduce when air-conditioning is opened pair
The influence of module samples air-flow, ensures the precision of detection.Also, the present invention sets the transmitting terminal of two laser modules in outer eight-shaped
Put, not only can effectively reduce the longitudinal length of the air detection module, and it is larger in the transmitting terminal spacing of outer eight-shaped,
When being verified using laser tester to the laser intensity of laser module, it will not interfere with each other, convenient detection, furthermore the present invention
Since two laser modules are in the design of outer eight-shaped, make two air outlet spacing of first passage and second channel larger, can arrange
Two big suction fans, effectively reduce sampling air flow to influence of the environment to wind turbine sampling performance, improve in-car outer air quality
The precision of detection.
Further, the present invention is arranged at the connector of sampling pipe connection at the thief hatch of first passage and second channel, should
Filter core is set effectively to remove sampling pipe during air particularly outside sampling vehicle to remove the condensed water in sampling pipe in connector
It is interior through engine heating again to the cold after the condensed water that is formed, be further ensured that the precision of detection.
Further, the present invention is by the band lead terminal of existing wind turbine, and when assembling, which needs artificial grafting terminal to replace with, to be met
The top needle connector and hard contact and the conductive contact on master control pcb board and pin of full-automatic assembly technology are mating, can
Production and packaging efficiency are increased substantially, it is convenient to check and repair.
Further, the outlet air end of the first wind turbine of the invention and the second wind turbine connection noise-reduction joint, its suction is big, noise
It is low, improve the experience of user.In addition, covering wind turbine sealing cover on the top of Fan casing, the lower part of Fan casing sets fan shock-absorbing
Pad can effectively reduce noise caused by the first wind turbine and the second blower fan work.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view of the present invention.
Fig. 2 is the exploded view of Detection of Air Quality module of the present invention.
Fig. 3 is the schematic diagram that laser tester verifies module intensity.
Fig. 4 is the sectional view of Detection of Air Quality module first embodiment of the present invention.
Fig. 5 is the sectional view of Detection of Air Quality module second embodiment of the present invention.
Fig. 6 is the exploded view of thief hatch connector first embodiment of the present invention.
Fig. 7 is the action sectional view of thief hatch connector first embodiment of the present invention.
Fig. 8 is the exploded view of thief hatch connector second embodiment of the present invention.
Fig. 9 is the action sectional view of thief hatch connector second embodiment of the present invention.
Figure 10 is the exploded view of wind turbine of the present invention.
Figure 11 is the top view of wind turbine first embodiment of the present invention.
Figure 12 is the sectional view of Figure 11.
Figure 13 is the top view of wind turbine second embodiment of the present invention.
Figure 14 is the stereogram that the present invention sets wind turbine as shown in figure 13.
Figure 15 is the structure diagram that wind turbine shown in Figure 11 of the present invention connects noise-reduction joint.
Figure 16 is the stereogram that the present invention sets wind turbine as shown in figure 15.
Figure 17 is the 3rd embodiment of wind turbine of the present invention.
Figure 18 is the exploded view of Detection of Air Quality module of the present invention, master control pcb board and wind turbine.
The view sub-anatomy of Figure 19 wind turbines of the present invention and Detection of Air Quality module.
Figure 20 is the action schematic diagram of the present invention.
Label declaration：
Binary channels air quality detecting device 100
1 upper cover 11 of housing
12 upper chamber 121 of middle cover
122 partition plate 123 of lower chambers
124 lower cover 13 of through hole
Detection of Air Quality module 2
21 mounting groove 211 of body
22 battery 223 of laser module
221 second laser module 222 of first laser module
23 first photodiode 231 of photodiode
Second photodiode, 232 gasket 24
25 hard contact 251 of circuit board
26 thief hatch 261 of first passage
262 second channel 27 of air outlet
271 air outlet 272 of thief hatch
Wind turbine 3
First the second wind turbines of wind turbine 3A 3B
31 outlet side 311 of Fan casing
32 lead 321 of rotor
33 wind wheel 34 of magnetic cake
35 snap ring 36 of bearing
37 top needle connector 371 of connecting plate
372 wind turbine sealing cover 38 of thimble
381 fan shock-absorbing pad 39 of connecting hole
Master control pcb board 4
41 pin 42 of conductive contact
Connector 5
51 filter core 52 of cavity volume
521 sink 53 of stomata
The pipe of plug 54 inserts 55
56 convex parapet 57 of gasket
Noise-reduction joint 6
Laser tester 200
Sampling pipe 300.
Embodiment
In order to further explain the technical solution of the present invention, the present invention is explained in detail below by specific embodiment
State.
As shown in Figure 1, present invention is disclosed a kind of binary channels air quality detecting device 100, it includes a housing 1, sets
Put Detection of Air Quality module 2, wind turbine 3 and the master control pcb board of connection control quality testing module 2 and wind turbine 3 in housing 1
4。
As shown in Figure 1, the housing 1 includes upper cover 11, middle cover 12 and lower cover 13, upper cover 11 coordinates in the upper of middle cover 12
Portion, lower cover 13 coordinates is partitioned into upper chamber 121 and lower chambers 122 equipped with one in the lower part of middle cover 12, middle cover 12 by middle cover 12
Partition plate 123, the Detection of Air Quality module 2 is arranged in the upper chamber 121 of middle cover 12, and the wind turbine 3 is arranged on middle cover
In 12 lower chambers 122, master control pcb board 4 is arranged in upper chamber 121 or the lower chambers 122 of middle cover 12, and partition plate 123 is equipped with
Two through hole 124, the partition plate 123 are additionally provided with the through hole being connected for pcb board 4 with wind turbine 3 or Detection of Air Quality module 2.
As shown in Fig. 2, 21, the two laser modules 22 of body of the Detection of Air Quality module 2 with rectangular parallelepiped structure,
Two photodiodes 23, a gasket 24 and a circuit board 25, two laser modules 22 and two photodiodes 23 are set
In body 21, circuit board 25 covers the top surface in body 21, and gasket 24 is placed in body 21, and positioned at the bottom of circuit board 25
Face, the body 21 is interior to be equipped with first passage 26, second channel 27, and first passage 26 and second channel 27 have a thief hatch respectively
261st, 271 and an air outlet 262,272, two laser modules 22 are respectively first laser module 221 and second laser module 222,
Body 21 is additionally provided with the mounting groove 211 for first laser module 221 and the cooperation of second laser module 222, first laser module 221
And wherein one end of second laser module 222 is transmitting terminal, the other end is first laser module 221 and second equipped with battery 223
Laser module 222 is powered, and first laser module 221 and the correspondence first passage 26 of second laser module 222 and second channel 27 are set
Put, the transmitting terminal of first laser module 221 is located in first passage 26, and the transmitting terminal of second laser module 222 is logical positioned at second
In road 27, and the transmitting terminal of two laser modules 221,222 is set in outer eight-shaped, and the photodiode 23 includes the first photoelectricity
231 and second photodiode 232 of diode, the position of face 221 transmitting terminal of first laser module in the first passage 26
Place is equipped with the first photodiode 231, and the second light is equipped with the position of the face second laser module 222 in the second channel 27
Electric diode 232, two laser modules 22 and two photodiodes 23 are electrically connected with circuit board 25, and the side of the circuit board 25 is set
There are multiple hard contacts 251, hard contact 251 with master control pcb board 4 being connected.
As shown in figure 3, it is necessary to first before use after first laser module 221 and second laser module 222 assemble
The laser intensity of laser module 221 and second laser module 222 is verified, to ensure that it detects the accuracy of air quality,
During detection, the first laser module 221 equipped with battery 223 and second laser module 222 are installed on body 21 in outer eight-shaped
Two laser testers 200 are individually positioned in face first laser module 221 and second by first passage 26 and second channel 27
The anterior position of 222 transmitting terminal of laser module, carries out the laser intensity of first laser module 221 and second laser module 222
Verification, naturally it is also possible to by a laser tester 200 respectively to first laser module 221 and second laser module 222 into
Row verification.
As shown in figure 4, be the first embodiment of Detection of Air Quality module 2 of the present invention, wherein, the first passage
26 and the thief hatch 261,271 of second channel 27 be separately positioned on the both sides of the body 21, the first passage 26 and second channel
27 be respectively Z-type, the transmitting terminal face Z-type passage of first laser module 221 and second laser module 222 away from thief hatch 261,
271 corner.
As shown in figure 5, be second of embodiment of Detection of Air Quality module 2 of the present invention, wherein, the first passage
26 and the thief hatch 261,271 of second channel 27 be arranged on same one side of body 21, first passage 26 and second channel 27 are distinguished
For L or J-type, the corner of the transmitting terminal face L or J-type passage of first laser module 221 and second laser module 222.
No matter first passage 26 and second channel 27 are using which kind of structure setting of Fig. 4 or Fig. 5, the first laser module
221 and second laser module 222 be arranged in outer eight-shaped in body 21, so can effectively reduce the air detection module
2 longitudinal length, and it is larger in the transmitting terminal spacing that can be designed so that two laser modules 22 of outer eight-shaped, using laser
When tester 200 verifies the laser intensity of laser module 22, it will not interfere with each other, convenient detection, and two modes of laser
Group 22 is designed in outer eight-shaped, is made two air outlets 262 of first passage 26 and second channel 27,272 spacing larger, can be arranged
Two big suction fan 3, effectively reduces sampling air flow to influence of the environment to wind turbine sampling performance, improves in-car outer air quality
The precision of detection.
Such as Fig. 2, coordinate shown in Fig. 6 to Fig. 9, leads to respectively in the thief hatch 261,271 of first passage 26 and second channel 27
Cross a connector 5 connection sampling pipe 300（As shown in figure 17）, one end connection thief hatch 261,271 of each connector 5, other end connection
Sampling pipe 300, connector 5 is interior to be equipped with a cavity volume 51, and a filter core 52 is provided with cavity volume 51, and filter core 52 circulates equipped with multiple supplied gas
Stomata 521, cavity volume 51 in the lower section of stomata 521 be additionally provided with for condensed water storage sink 53.Filter core 52 is set in the connector 5
To remove the condensed water in sampling pipe 300, can effectively be removed in sampling pipe 300 during air through starting particularly outside sampling vehicle
The condensed water that is formed afterwards to the cold again of machine heating, so as to ensure to enter to gas in Detection of Air Quality module 2 from condensed water
Ying County give, ensure detection precision.When the present invention is sampled, air is entered by sampling pipe 300, higher through excess temperature
Section when, air can be heated, and when heated air is again introduced into colder pipeline, condensed water can be formed, with cold
The air of condensate inserts 55 into the pipe of connector 5 together, and during by filter core 52, the gas in air is by the stomata in filter core 52
Inner cavity 51 is finally entered in first passage 26I and second channel 27 in plug is entered in 521 entrance, and cold in air
Condensate is isolated in the sink 53 being attached directly in the connector 5 when inserting 55 into pipe by filter core 52.
As shown in FIG. 6 and 7, it is the first embodiment of inventive joint 5, as shown in the figure, in the present embodiment, it is described
Connector 5 includes the pipe that a plug 54 and one being connected with thief hatch 261,271 is connected with sampling pipe 300 and inserts 55, and plug 54 is with managing
Insert 55 to be connected, its mode connected can be used and is threadedly coupled as depicted, can also use its other party such as clamping, joggle
Formula, the junction that plug 54 inserts 55 with pipe form the cavity volume 51, and the filter core 52 is arranged in cavity volume 51, and filter core 52 is inserted with pipe
One end top of 55 connections is equipped with the stomata 521, and filter core 52 is in the sink 53 of shaping directly below of stomata 521, the appearance
Chamber 51 is additionally provided with a gasket 56 between filter core 52 and pipe insert one end of 55 connections.
As can be seen from figures 8 and 9, it is second of embodiment of inventive joint 5, as shown in the figure, in the present embodiment, it is described
Connector 5 includes the pipe that a plug 54 and one being connected with thief hatch 261,271 is connected with sampling pipe 300 and inserts 55, and plug 54 is with managing
Insert 55 to be connected, one end that the pipe inserts 55 is connected with sampling pipe 300, and the other end is connected with plug 54, and 55 are inserted in the pipe
The cavity volume 51 is equipped between both ends, which inserts 55 one end being connected with plug 54 and protrude out to formation convex parapet 57 in cavity volume 51, make
Form the sink 53 of an indent in cavity volume 51 in the periphery of convex parapet 57, the filter core 52 in arcuation be arranged on pipe insert 55 it is convex
Between wall 57 and plug 54, straight forming has multiple stomatas 521 on the filter core 52 of arcuation, and the filter core 52 is convex with pipe slotting 55
A gasket 56 is additionally provided between wall 57.
As Fig. 1 coordinates shown in Figure 10 to Figure 14, the wind turbine 3 is included to the first wind turbine 3A and the second wind turbine 3B, the first wind
Machine 3A and the second wind turbine 3B is that the first passage 26 of corresponding Detection of Air Quality module 2 and second channel 27 are set, the first wind turbine
3A and the second wind turbine 3B are separately positioned in a Fan casing 31, which has an outlet side 311, the first wind turbine 3A and
Two wind turbine 3B include a rotor 32, a magnetic cake 33, a wind wheel 34, a bearing 35 and a snap ring 36 respectively, between two Fan casings 31
Linked together by a connecting plate 37, connecting plate 37 is equipped with a top needle connector 371, two Fan casings 31 to link together
Top be combined with a wind turbine sealing cover 38, the wind turbine sealing cover 38 correspond to the first wind turbine 3A and the second wind turbine 3B position punishment
Not She You a connecting hole 381, which is the air inlet of the first wind turbine 3A and the second wind turbine 3B, two connecting holes 381 with
The air outlet 262,272 of first passage 26 and second channel 27 connects, and the bottom of Fan casing 31 is combined with a fan shock-absorbing pad 39.
As shown in Figure 10 and Figure 12, the rotor 32 is fixed together with Fan casing 31, and the magnetic cake 33 and wind wheel 34 are solid
It is scheduled on together, and in being rotatably set in outside rotor 32, wind wheel 34 is rotatably fixed on wind by bearing 35 and snap ring 36
On casing 31.A plurality of leads 321 is provided with rotor 32, each lead 321 is respectively connected to top needle connector 371, thimble connection
Device 371 is equipped with multiple thimbles 372.
As shown in Figure 11 to Figure 17, the outlet side 311 for two wind turbines 3 of the invention can have a variety of set-up modes, such as scheme
It is the first embodiment of wind turbine, as shown in the figure, the outlet side 311 of two wind turbines 3 may be provided at the two of housing 1 shown in 11
Side.As shown in FIG. 13 and 14, it is second of embodiment of wind turbine 3, the outlet side 311 of two wind turbines 3 may also be arranged on shell
Same one side of body 1.Again as shown in figure 17, it is the third embodiment of wind turbine 3, the outlet side 311 of the wind turbine 3 can be set
In the adjacent edge of housing 1.
Further, as shown in Figure 15 and Figure 17, one can also be increased in the outlet side 311 of the first wind turbine 3A and the second wind turbine 3B
The noise-reduction joint 6 of inner wall smooth, the noise-reduction joint 6 be it is tapered outward by the outlet side 311 of the first wind turbine 3A and the second wind turbine 3B,
Through experiment, when the first wind turbine 3A and the second wind turbine 3B do not increase noise-reduction joint 6, its flow is 3.1L/min, and flowexit returns
Flow rate is 33%, and after increasing noise reduction elbow 6, its flow is 3.2L/min, and flowexit reflux ratio is 1.2%.It can be seen from the above that
After increasing noise-reduction joint 6, the suction of the first wind turbine 3A and the second wind turbine 3B substantially increase, and noise can obviously reduce.
As Fig. 1 coordinates shown in Figure 18 and Figure 19, for the ease of the full-automatic of binary channels air quality detecting device of the present invention
Makeup is matched somebody with somebody, and wind turbine of the invention does not use lead terminal, but circuit is directly integrated on top needle connector 371, thimble
Multiple thimbles 372 on connector 371 are connected directly to be aligned with master control pcb board, and the master control pcb board 4, which is equipped with, to be corresponded to
Multiple pins 42 of the hard contact 251 of multiple conductive contacts 41 of thimble 372 and multiple corresponding Detection of Air Quality modules 2.
During assembling, master control pcb board 4 is installed on middle cover 12, the epicoele of middle cover 12 is installed on after Detection of Air Quality module 2 is assembled
In room 121, wind turbine 3 is installed in the lower chambers 122 of middle cover 12 after assembling, by multiple tops on the top needle connector 371 of wind turbine 3
The docking corresponding with the hard contact 41 of master control pcb board 4 of pin 372, and the hard contact of 2 circuit board 25 of Detection of Air Quality module
251 dock with multiple pins 42 of master control pcb board.
When detecting air quality, wherein the in-car air of inlet channel connection, another outer air of inlet channel connection car,
Two-way independent detection air flue is formed, each passage corresponds to 3 independent sample of wind turbine and is mutually independent of each other, and is evacuated and arranges by wind turbine 3
Go out, the laser of laser module 22 passes through air flue, and the dust particle scattering light in air flue feeds back to photodiode, photodiode
Potential change is handled by circuit data and draws PM2.5 numerical value.
As shown in figure 20, binary channels air quality detecting device of the present invention sets two wind turbines 3, and two wind turbines 3 are right respectively
Air outside in-car and car is sampled, and is mutually independent of each other, and can effectively be reduced when air-conditioning is opened to the shadow of module samples air-flow
Ring, ensure the precision of detection.Also, the present invention sets the transmitting terminal of two laser modules 22 in outer eight-shaped, can not only have
The longitudinal length of the diminution of the effect air detection module, reduces the overall volume of product.
Secondly, the present invention can meet full-automatic assembly technology, by the top needle connector 371 and Detection of Air Quality of wind turbine 3
The hard contact 251 of module 2 and the conductive contact 41 on master control PCB4 plates and pin 42 are mating, can increase substantially production
And packaging efficiency, it is convenient to check and repair.
Furthermore the first wind turbine 3A of the invention and the outlet air end connection noise-reduction joint 6 of the second wind turbine 3B, its suction is big, makes an uproar
Sound is low, can improve the experience of user.Wind turbine sealing cover 38 is covered on the top of Fan casing 31, the lower part of Fan casing 31 sets wind turbine
Beam 39 can effectively reduce noise caused by the first wind turbine 3A and the second wind turbine 3B work.
Above-described embodiment and schema and non-limiting product form of the invention and style, any technical field it is common
The appropriate change or modification that technical staff does it, all should be regarded as not departing from the patent category of the present invention.
Claims (11)
1. a kind of binary channels air quality detecting device, it includes a housing, the Detection of Air Quality module that is arranged in housing,
Wind turbine and the master control pcb board of connection control quality testing module and wind turbine, the interior formation first of the Detection of Air Quality module are logical
Road and second channel, first passage and second channel have a thief hatch and an air outlet respectively, it is characterised in that：The wind turbine
The first wind turbine and the second wind turbine set including corresponding first passage and second channel, the inlet end and first passage of the first wind turbine
Air outlet connection, the air outlet of the inlet end of the second wind turbine and second channel connects, and the outlet side of two wind turbines is all connected with outside
Air, the first laser module and second that the Detection of Air Quality module is set including corresponding first passage and second channel swash
Optical mode group, the transmitting terminal of two laser modules is set in outer eight-shaped, and the transmitting terminal of first laser module is located in first passage,
The first photodiode, second laser module hair are equipped with the first passage at the position of the face first laser module transmitting terminal
Penetrate end to be located in second channel, be equipped with the second photodiode in the second channel at the position of the face laser module, two swash
The circuit board of optical mode group and two photodiodes with Detection of Air Quality module is connected, and circuit board is electrically connected with master control pcb board.
A kind of 2. binary channels air quality detecting device as claimed in claim 1, it is characterised in that：The Detection of Air Quality
Module has the body of rectangular parallelepiped structure and the circuit board, the first passage, second channel, two laser modules and two photoelectricity
Diode is arranged in the body.
A kind of 3. binary channels air quality detecting device as claimed in claim 2, it is characterised in that：The first passage and
The thief hatch of two passages is arranged on same one side of the body, and first passage and second channel are respectively L-type or J-type, first laser
The corner of the transmitting terminal face L-type or J-type passage of module and second laser module.
A kind of 4. binary channels air quality detecting device as claimed in claim 2, it is characterised in that：The first passage and
The thief hatch of two passages is separately positioned on the both sides of the body, and the first passage and second channel are respectively Z-type, first laser mould
Corner of the transmitting terminal face Z-type passage away from thief hatch of group and second laser module.
A kind of 5. binary channels air quality detecting device as claimed in claim 1, it is characterised in that：The first passage and
The thief hatch of two passages connects sampling pipe, one end connection thief hatch of each connector, other end connection sampling by a connector respectively
Pipe, connector is interior to be equipped with a cavity volume, and a filter core is provided with cavity volume, and filter core is equipped with the stomata of multiple supplied gas circulation, and cavity volume is in gas
The sink for condensed water storage is additionally provided with below hole.
A kind of 6. binary channels air quality detecting device as claimed in claim 5, it is characterised in that：The connector include one with
The plug and a pipe being connected with sampling pipe of thief hatch connection are inserted, and plug is inserted with pipe and is connected, the plug junction slotting with pipe
Form the cavity volume, the filter core is arranged in cavity volume, and one end top that filter core inserts connection with pipe is equipped with the stomata, filter core in
The sink of shaping directly below of stomata, the cavity volume are additionally provided with a gasket between filter core and pipe insert one end of connection.
A kind of 7. binary channels air quality detecting device as claimed in claim 5, it is characterised in that：The connector include one with
The plug and a pipe being connected with sampling pipe of thief hatch connection are inserted, and plug is inserted with pipe and is connected, and one end that the pipe is inserted is with adopting
Sample pipe connects, and the other end is connected with plug, inserts the one end being connected with plug equipped with the cavity volume, the pipe between the ends and protrude out to
Convex parapet is formed in cavity volume, makes to form the sink of an indent in the periphery of convex parapet in cavity volume, the filter core is arranged in arcuation
Between the slotting convex parapet of pipe and plug, a gasket is additionally provided between the convex parapet that the filter core and pipe are inserted.
A kind of 8. binary channels air quality detecting device as claimed in claim 2, it is characterised in that：First wind turbine and
Two wind turbines include a Fan casing respectively, and rotor and wind wheel are respectively arranged with each Fan casing, and the Fan casing of two wind turbines connects by one
Fishplate bar links together, and connecting plate is equipped with a top needle connector, is provided with a plurality of leads on each rotor, each lead connects respectively
To top needle connector, top needle connector is equipped with multiple thimbles, and the master control pcb board is equipped with the multiple conductive tactile of corresponding thimble
Point, the circuit board of the Detection of Air Quality module are equipped with multiple hard contact contacts, and the master control pcb board, which is equipped with, to be corresponded to
Multiple pins of hard contact.
A kind of 9. binary channels air quality detecting device as claimed in claim 8, it is characterised in that：The top of the Fan casing
A wind turbine sealing cover is combined with, which corresponds to and be respectively equipped with a connection at the position of the first wind turbine and the second wind turbine
Hole, the bottom of Fan casing are combined with a fan shock-absorbing pad.
A kind of 10. binary channels air quality detecting device as claimed in claim 1, it is characterised in that：First wind turbine and
The outlet side of second wind turbine connects the noise-reduction joint of an inner wall smooth respectively, which is by the first wind turbine and the second wind turbine
Outlet side it is tapered outward.
A kind of 11. binary channels air quality detecting device as claimed in claim 1, it is characterised in that：The housing includes upper
Lid, middle cover and lower cover, upper cover coordinate on the top of middle cover, and lower cover coordinates is equipped with one by middle cover region in the lower part of middle cover, middle cover
Be divided into the partition plate of upper chamber and lower chambers, the Detection of Air Quality module is arranged in the upper chamber of middle cover, the first wind turbine and
Second wind turbine is arranged on the bottom chamber of middle cover, and master control pcb board is arranged on the upper chamber of middle cover or bottom chamber, partition plate are equipped with
The two through hole of corresponding first passage and second channel, the partition plate are additionally provided with for master control pcb board and the first wind turbine, the second wind turbine or sky
The through hole of gas quality testing module connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711403725.5A CN107941669A (en) | 2017-12-22 | 2017-12-22 | A kind of binary channels air quality detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403725.5A CN107941669A (en) | 2017-12-22 | 2017-12-22 | A kind of binary channels air quality detecting device |
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| CN107941669A true CN107941669A (en) | 2018-04-20 |
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| CN201711403725.5A Pending CN107941669A (en) | 2017-12-22 | 2017-12-22 | A kind of binary channels air quality detecting device |
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| CN108279197A (en) * | 2018-04-26 | 2018-07-13 | 孝感华工高理电子有限公司 | A kind of dust sensor |
| CN109975188A (en) * | 2019-04-27 | 2019-07-05 | 新立科技股份有限公司 | A kind of two-way PM2.5 detection device |
| WO2020010893A1 (en) * | 2018-07-12 | 2020-01-16 | 常州承信投资合伙企业(有限合伙) | Air quality measuring device and application thereof |
| CN113866366A (en) * | 2021-10-18 | 2021-12-31 | 浙江吉利控股集团有限公司 | Vehicle and air detector thereof |
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Effective date of registration: 20181213 Address after: 201800 Bao'an Highway 4997, Anting Town, Jiading District, Shanghai Applicant after: Meishuike (Shanghai) Automotive Electronics Co., Ltd. Address before: 361100 No. 288 Xikefuming Road, Tongan District, Xiamen City, Fujian Province Applicant before: Xiamen Maxmac Air Technology Co., Ltd. |
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