CN108318081A - A kind of device of detection automobile interior exterior air quality - Google Patents
A kind of device of detection automobile interior exterior air quality Download PDFInfo
- Publication number
- CN108318081A CN108318081A CN201810297215.2A CN201810297215A CN108318081A CN 108318081 A CN108318081 A CN 108318081A CN 201810297215 A CN201810297215 A CN 201810297215A CN 108318081 A CN108318081 A CN 108318081A
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- air
- sensor
- assembly
- pedestal
- bottom case
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- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 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 abstract description 71
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 15
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- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The present invention relates to a kind of devices of detection automobile interior exterior air quality.It includes the assembly pedestal and assembly head cover that can be mutually buckled into a box body, assembly chassis interior is provided with the air duct chamber component of " ω " type, outside is provided with two plastic hoses that can be separately connected outside interior and vehicle, the plastic hose other end is equipped with acquisition head assembly, two plastic hoses are connect by a gas distribution pedestal with air duct chamber component respectively, it is provided with first laser tube assembly and second laser tube assembly in the chamber component of air duct, it is correspondingly formed two gas channels independently, and it is correspondingly arranged on to detect the detector lens of air concentration values respectively on every gas channels.The configuration of the present invention is simple, it is ingenious in design, automobile interior exterior air quality can be detected respectively simultaneously, monitoring accuracy is high, and a variety of air quality concentration values such as PM2.5, PM10, CO2, formaldehyde, toluene, VOC, temperature, the humidity that family known in the form of very intuitive outside interior and vehicle can be used.
Description
Technical field
The present invention relates to air detection technical field more particularly to a kind of devices of detection automobile interior exterior air quality.
Background technology
In recent years, heavy industry is greatly developed in many areas in the world, is caused air quality straight line to decline, is made to human health
At seriously threatening, " haze problem " has been subjected to the attention of all trades and professions, and one of current ten disasters solution event is included in by country,
PM2.5, CO2, VOC detecting system have obtained vast Automobile Enterprises and the concern of automobile friend, and each depot is also listed one after another with green net
Air quality systems detection, the vehicle for removing PM2.5.
Current automobile interior exterior air quality detecting device has the following disadvantages and deficiency：1, dust sensor shell is whole
Structure is excessively complicated, and matching is poor between parts, and efficiency of assembling is low, needs by motor base connector, motor, gas distribution
The parts such as plug, gas shunt cap assist, and part is miscellaneous and more；2, installation site is limited by interior space, detection performance with
Installation matching cannot take into account, and can not match the environment of all kinds of depots；It 3, can only when a sensor detects the air concentration at two
Timesharing detection process is done, the air quality of automobile interior exterior can not be monitored simultaneously；4, existing product can only be static in product on parking lot
Dust control is just can guarantee with specific interior, and when being detected in vehicle travel, data contrast is big, unstable or can not detect；
5, currently marketed intubation way needs increase pipe clamp to tighten, and operation is cumbersome；6, automobile is during high speed traveling, vehicle body
Negative pressure problem will produce to the pumping air class product.
Invention content
The purpose of the present invention is to provide a kind of devices of detection automobile interior exterior air quality.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of dress of detection automobile interior exterior air quality
It sets comprising can mutually be buckled into the assembly pedestal and assembly head cover of a box body, PCB components, two are set in the assembly pedestal
A laser tube assembly, four fast joint components, the outside of the assembly pedestal, which is provided with two, can be respectively connected to interior and vehicle
Outer plastic hose is connected and installed with acquisition head assembly, institute on the end of the outside of the plastic hose by fast joint component
Stating the setting of assembly chassis interior, there are two the gas distribution pedestal that can be connected to assembly pedestal inside and outside, gas distribution pedestal positions
It is connected by the fast joint member seals between one end and the plastic hose of the assembly base exterior, the gas
Shunting pedestal is connected with an air duct chamber component in " ω " type on one end of the assembly chassis interior；The assembly bottom
Seat is internal to be additionally provided with air extractor corresponding with the air duct chamber component, the air duct chamber component and the air extractor with
The PCB components electrical connection.
In a preferred embodiment, the air duct chamber component includes the sensor bottom case and biography that can mutually fasten in a box body
Sensor box cover；Be formed on the bottom of the sensor bottom case two sensor bottom case air inlets being distributed in isosceles triangle and
One sensor bottom case air outlet, the sensor bottom case air outlet is far from two sensor bottom case air inlet settings；Institute
The inside for stating sensor bottom case forms that there are two in bending arcuation and symmetrically arranged first air groove, two first air
Slot is connected to form " ω " type, and the inside in " ω " the type space that two first air grooves are connected to form is also formed with one second sky
Air drain；Two sensor bottom case air inlets are correspondingly formed respectively in the bottom of the same end of two first air grooves,
The sensor bottom case air outlet is formed in the bottom at the convergence of the other end in the same direction of two first air grooves, described
It is also formed with one at sensor bottom case air outlet and is divided equally baffle into two, the vertical two sensor bottoms of the baffle
The central junction line of shell air inlet is arranged；The also shape at the position of the sensor bottom case air outlet of second air groove
Two of first air groove perforation described in Cheng Youyu cross gas port, and two gas ports of crossing are symmetrically formed in the both sides of the baffle；
The identical first laser tube assembly of structure and second laser tube assembly are provided in second air groove.
In a preferred embodiment, the first laser tube assembly and second laser tube assembly are in reverse and arranged side by side.
In a preferred embodiment, the fast joint component includes the activity that can be docked with the plastic hose of a tubulose
Connector, the bottom end outer, coaxial close to the active joint are socketed with a connector guide collar, and the inside of the connector guide collar is also
It is coaxially arranged with a hose clamp spring and an active joint spacing collar, the end of the bottom end of the active joint is resisted against the hose
At the inner edge of the top of clamp spring, it is resisted against at the top of the active joint spacing collar at the outer rim of the lower section of the hose clamp spring,
The outside also airtight connection of the bottom end of the active joint spacing collar has a sealing ring；The active joint is to the hose clamp spring
Pressure can increase the diameter of its inner ring, release stress, and the hose clamp spring resets.
In a preferred embodiment, the gas distribution pedestal is a hollow and bending in the tubulose of two L shapes, one end
Gas distribution pedestal air inlet is formed, the other end forms gas distribution pedestal air outlet；The gas distribution pedestal air inlet with
It is tightly connected by the fast joint component between the plastic hose, the gas distribution pedestal air outlet and the sensor
Bottom case air inlet is correspondingly connected with, and is provided between the gas distribution pedestal air outlet and the sensor bottom case air inlet
Gas distribution sealing ring.
In a preferred embodiment, it is in the block-like pedestal of cuboid, the pedestal that the first laser tube assembly, which includes one,
Bottom be formed with the first wind guide tank, the second wind guide tank and surface groove being set up in parallel, first wind guide tank and the second wind-guiding
The both ends of slot are each extended through to the outside of the pedestal, and one end of the surface groove is closed, the other end is extended through to institute
State the outside of pedestal；One is formed at the slot bottom of second wind guide tank can penetrate through to the detection mouth outside the pedestal, described
Second wind guide tank with light-emitting window that a perforation is formed on the common side wall of the surface groove；It is arranged in second air groove
First wind guide tank of the interior first laser tube assembly and the second wind guide tank of the second laser tube assembly connect to be formed
One gas channels, the first wind guide tank phase of the second wind guide tank of the first laser tube assembly and the second laser tube assembly
It is formed through another gas channels.
In a preferred embodiment, the air duct chamber component further includes being arranged in the sensor bottom case and sensor box cover
Between sensor circuit board component, there are two detector lens, two detections for setting on the sensor circuit board component
Camera lens is correspondingly arranged at respectively at the first laser tube assembly and the detection mouth of second sensor camera lens, and it is right with it to detect respectively
The air quality in gas channels answered, some light that the detector lens project pass through the light-emitting window and on the inclined-planes
Catadioptric is formed in slot to prevent light leakage in detection process.
In a preferred embodiment, can also be arranged in the sensor bottom case it is following in one or more combinations：Dust
Sensor, carbon dioxide sensor, Temperature Humidity Sensor and total volatile organic compounds sensor.
In a preferred embodiment, the acquisition head assembly includes that the outer collection head of vehicle and interior collection head, the car are adopted
Market-head and the outer collection heads of Che are connect with a plastic hose by a fast joint component respectively；The outer collection head of the vehicle and with
It is additionally provided with primary filter, inner tube set and vehicle outer locking nut between its corresponding described fast joint component, the one of said inner tube set
End with the coaxial grafting of the primary filter and embeds outside the vehicle together with the coaxial grafting of the fast joint component, the other end
In collection head；The vehicle outer locking nut is sleeved on the lateral wall of said inner tube set.
In a preferred embodiment, the air extractor includes a sensor bottom for being correspondingly arranged at the air duct chamber component
The wind turbine at shell air outlet rear and one it is located at fan cover outside the wind turbine, the sensor bottom case air outlet output
Air via the wind turbine suction and be expelled to outside；The wind turbine and the corresponding position of the fan cover are provided with wind turbine
Lid sealing ring.
The advantageous effect that the present invention detects the device of automobile interior exterior air quality is：By being arranged in assembly chassis interior
There are " ω " type air duct chamber component, outside to be provided with two plastic hoses that can be separately connected outside interior and vehicle, plastic hose is another
One end is equipped with acquisition head assembly, and the plastic hose outside connection car and vehicle passes through a gas distribution pedestal and air duct chamber group respectively
It is connected in part, is provided with first laser tube assembly and second laser tube assembly in the chamber component of air duct, it is only to be correspondingly formed two difference
Vertical gas channels, and be correspondingly arranged on to detect air concentration values, automobile interior exterior air respectively on every gas channels
Acquired head assembly and plastic hose enter air duct chamber component, after respectively via on corresponding gas channels detector lens carry out
Detection after detection, then is extracted out by air extractor, to realize while detect the purpose of automobile interior exterior air quality.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the device of detection automobile interior exterior air quality in an embodiment.
Fig. 2 is the sectional perspective decomposition diagram of the device of detection automobile interior exterior air quality in an embodiment.
Fig. 3 is the explosion schematic diagram of the device of detection automobile interior exterior air quality in an embodiment.
Fig. 4 is the internal structure schematic diagram of the device of detection automobile interior exterior air quality in an embodiment.
Fig. 5 is the stereoscopic schematic diagram of gas distribution pedestal in Fig. 2.
Fig. 6 is the perspective exploded view of another angle of air duct chamber component in Fig. 2.
Fig. 7 is the internal structure schematic diagram of sensor bottom case in Fig. 6.
Fig. 8 is the stereoscopic schematic diagram of another angle of first laser tube assembly in Fig. 6.
Fig. 9 is the front view of first laser tube assembly in Fig. 6.
Figure 10 is air duct chamber component internal dust flow dividing structure schematic diagram.
Figure 11 is the longitudinal section view of fast joint component in Fig. 2.
Figure 12 is fast joint component and the longitudinal section view after gas distribution pedestal grafting.
Figure 13 is that air duct flow direction is shown when the device of detection automobile interior exterior air quality in an embodiment detects in-vehicle air
It is intended to.
Specific implementation mode
The device of the detection automobile interior exterior air quality of the present invention is made into one below in conjunction with specific embodiment and attached drawing
Step detailed description.
Please referring also to Fig. 1 to Fig. 4 comprising it can be mutually buckled into the assembly pedestal 60 and assembly head cover 61 of a box body,
PCB components 70 are provided in assembly pedestal 60, the outside of assembly pedestal 60, which is provided with two, can be respectively connected to outside interior and vehicle
Plastic hose 20, acquisition head assembly 10 is connected and installed with by fast joint component 40 on the end of the outside of plastic hose 20,
Because plastic hose 20 can random curved arrangement, flexibility is high, can avoid many interior other obstruction devices.
Preferably, assembly pedestal 60 is internally provided with two gas distribution pedestals that can be connected to 60 inside and outside of assembly pedestal
80, gas distribution pedestal 80 be located at one end outside assembly pedestal 60 and between plastic hose 20 it is closed by fast joint component 40
Connection, gas distribution pedestal 80 are connected with an air duct chamber component in " ω " type on one end inside assembly pedestal 60
90, air extractor 30 corresponding with air duct chamber component 90 is additionally provided with inside assembly pedestal 60, air duct chamber component 90 and pumping fill
30 are set to be electrically connected with PCB components 70.
Please referring also to Fig. 6 and Fig. 7, air duct chamber component 90 include 91 He of sensor bottom case that can mutually fasten in a box body
Sensor box cover 92；Two sensor bottom case air inlets being distributed in isosceles triangle are formed on the bottom of sensor bottom case 91
911 and a sensor bottom case air outlet 912, sensor bottom case air outlet 912 set far from two sensor bottom case air inlets 911
It sets.
The inside of sensor bottom case 91 is in be bent arcuation and symmetrically arranged first air groove 951 there are two being formed, two
First air groove 951 is connected to form " ω " type, and the inside in " ω " the type space that two the first air grooves are connected to form is also formed with
One second air groove 952.
The identical first laser tube assembly 93 of structure and second laser tube assembly 94 are provided in 952 in second air groove,
First laser tube assembly 93 and second laser tube assembly 94 are in reverse and arranged side by side.
Two sensor bottom case air inlets 911 are correspondingly formed respectively in the bottom of the same end of two the first air grooves 951,
Sensor bottom case air outlet 912 is formed in the bottom at the convergence of the other end in the same direction of two the first air grooves 951, sensor
Be also formed with one at bottom case air outlet 912 and divided equally baffle 914 into two, 914 vertical two sensor bottom cases of baffle into
The central junction line in air port 911 is arranged.
It is also formed with and the first air groove 951 at the position of the close sensor bottom case air outlet 912 of second air groove 952
Two of perforation cross gas port 913, cross gas port 913 for two and are symmetrically formed in the both sides of baffle 914.
Please referring also to Figure 11 and Figure 12, fast joint component 13 include the activity that can be docked with plastic hose 20 of a tubulose
Connector 131 is socketed with a connector guide collar 132 close to the bottom end outer, coaxial of active joint 131, connector guide collar 132 it is interior
Portion is also coaxially arranged with a hose clamp spring 133 and an active joint spacing collar 134, the end of the bottom end of active joint 131 against
At the inner edge of the top of hose clamp spring 133, the top of active joint spacing collar 134 is resisted against the lower section of hose clamp spring 133
At outer rim, the outside also airtight connection of the bottom end of active joint spacing collar 134 has a sealing ring 135；Active joint 131 is to hose
Clamp spring 133, which presses, can increase the diameter of its inner ring, release stress, hose clamp spring 133 then resets.
The end of plastic hose 20 is inserted into from the top of active joint 131 and is contradicted with hose clamp spring 133, and pressing at this time is lived
Dynamic connector 131 makes it move towards hose clamp spring 133 along the inner wall of connector guide collar 132 and persistently press to hose clamp spring 133,
The inner ring diameter of hose clamp spring 133 can be made to increase, until plastic hose 20 is smoothly inserted through, discharged at this time to active joint
131 pressure, hose clamp spring 133 gradually reset so as to tightly be wrapped on the outer wall of plastic hose 20, prevent plastic hose
20 it is dragged go out fast joint component 13 outside.
Please referring also to Fig. 5, gas distribution pedestal 80 are a hollow and L-shape tubulose of bending, are arranged at assembly bottom
One end outside seat 60 forms gas distribution pedestal air inlet 81, and the other end being arranged inside assembly pedestal 60 forms gas
Shunt pedestal air outlet 82；It is sealed and is connected by fast joint component 13 between gas distribution pedestal air inlet 81 and plastic hose 20
It connects, is sleeved on the outer wall of connector guide collar 132, the junction with connector guide collar 132 can be click on fashion to be formed
Further firm fixation；Gas distribution pedestal air outlet 82 is correspondingly connected with sensor bottom case air inlet 911, gas distribution bottom
It is provided with gas distribution sealing ring 83 between seat air outlet 82 and sensor bottom case air inlet 911.Due to first laser tube assembly
93 is identical with 94 structure of second laser tube assembly, is convenient for stated features, now illustrates by taking first laser tube assembly 93 as an example.
Please referring also to Fig. 8 and Fig. 9, it is in the block-like pedestal 931 of cuboid, pedestal that first laser tube assembly 93, which includes one,
931 bottom is formed with the first wind guide tank 971, the second wind guide tank 972 and surface groove 973 being set up in parallel, the first wind guide tank 971
It is each extended through to the outside of pedestal 931 with the both ends of the second wind guide tank 972, one end of surface groove 973 is closed, the other end prolongs
Perforation is stretched to the outside of pedestal 931；One is formed at the slot bottom of second wind guide tank 972 can penetrate through to the detection outside pedestal 931
Mouthfuls 975, the second wind guide tank 972 with light-emitting window 974 that perforation is formed on 973 common side wall of surface groove.
Please referring also to Figure 10, when first laser tube assembly 93 and second laser tube assembly 94 are disposed in parallel in the second air
When in slot 952, the first wind guide tank 971 of first laser tube assembly 93 and 972 phase of the second wind guide tank of second laser tube assembly 94
It is formed through gas channels 1., the second wind guide tank 972 of first laser tube assembly 93 is led with the first of second laser tube assembly 94
Wind groove 971 connects to form gas channels 2.
Air duct chamber component 90 further includes the sensor circuit board being arranged between sensor bottom case 91 and sensor box cover 92
Component 95, there are two detector lens 98, two detector lens 98 to be correspondingly arranged at respectively for setting on sensor circuit board component 95
At the detection mouth 975 of first laser tube assembly 93 and second laser tube assembly 94, it is right with it that two detector lens 98 detect respectively
The gas channels answered 1. with gas channels 2. in air quality, and during detection, portion that detector lens 98 project
Light splitter may pass through corresponding light-emitting window 974 and form catadioptric in surface groove 973 to prevent light leakage in detection process.
It can be in the internal gas independently for forming the left and right sides as shown in Figure 10 when chamber 90 practical application of component of air duct
1. and 2. paths, correspond to the gas channels of the gas channels and the outer dust particle of vehicle of interior dust particle 50 respectively,
This two gas channels are respectively starting point with corresponding sensor bottom case air inlet 911, then again respectively from sensor bottom
912 corresponding half of shell air outlet outlet discharge, corresponds to the detection outside interior and vehicle respectively.By gas channels 1. for say
Bright, air duct range is corresponding as shown in left one side of something in Figure 10, and convenient for explanation, following parts being related to are as in Figure 10
Structure shown in left one side of something.Specifically, interior dust particle 50 is under the action of the wind, sucks and pass through via interior collection head 14
Plastic cement software 20 enters in device, after pass through corresponding gas distribution pedestal 80 and enter sensor bottom case air inlet 911, a part
Dust particle is discharged via after the first air groove 951 from sensor bottom case air outlet 912, and another part dust particle enters
Second air groove 952, and sequentially the of the first wind guide tank 971 Jing Guo first laser tube assembly 93 and second laser tube assembly 94
Two wind guide tanks 972, after entered after the first air groove 951 from 912 row of sensor bottom case air outlet by corresponding gas port 913 of crossing again
Go out, during gas circuit moves, be arranged in gas channels 1. top detector lens 98 can detect dust particles in real time；
Gas channels are 2. identical with the motion mode of gas channels 1., repeat no more, logical as a result of two gas independently
Road can carry out the detection of the dust particle in air flue respectively, independent between each other to carry out, and not will produce cross influence.
Others, can also be arranged in sensor bottom case 91 it is following in one or more combinations：Dust sensor, titanium dioxide
Carbon sensor, Temperature Humidity Sensor and total volatile organic compounds sensor can be according to user demands not in practical application
Together, the combination of some sensor assembly or other multiple sensor assemblies is selected.
It includes the outer collection head 11 of vehicle and interior collection head 14 to acquire head assembly 10, interior collection head 14 and the outer collection head of vehicle 11
It is connect respectively with a plastic hose 20 by a fast joint component 13；The outer 11 interior and corresponding fast joint group of collection head of vehicle
Primary filter 15, inner tube set 12 and vehicle outer locking nut 42 are additionally provided between part 13, primary filter 15 can filter large particle, hair
Send out object, fabric or other sundries, one end of inner tube set 12 can buckle or the connection type of screw thread and fast joint component 13 it is coaxial
Grafting, the other end can buckle or the connection type of screw thread is with 15 coaxial grafting of primary filter and embedded outside vehicle together
Inside collection head 11, vehicle outer locking nut 42 is sleeved on the lateral wall of inner tube set 12.
Wherein wind turbine, aspiration pump etc. can be used in air extractor 30, the suction of the air of acquisition to be then exhausted from, air extractor
30 wind turbines 31 and one including 912 rear of sensor bottom case air outlet for being correspondingly arranged at air duct chamber component 90 are located at wind
Fan cover 32 outside machine 31, wind turbine 31 and the corresponding position of fan cover 32 are provided with fan cover sealing ring 33, sensor bottom
The air that shell air outlet 912 exports is pumped by wind turbine 31 via sensor bottom case air outlet 912 and is expelled to outside.
The shielding case 71 that can be coated on outside PCB components 70 is provided on PCB components 70, being additionally provided with can external data line
The connector 72 of (vehicle bus, such as CAN/LIN/UART), PCB components 70 are also integrated with CAN/LIN/UART signals, by powder
Dirt detected value is output to instrument board, can be used family known in the form of very intuitive PM2.5, PM10 outside interior and vehicle, CO2,
The a variety of air quality concentration values of formaldehyde, toluene, VOC, temperature, humidity；Shielding case 71 can be coated on five faces of PCB components 70
On, same " hexahedron " the word protection of shape, the installation foot of shielding case 71, which is welded on PCB components 70, to be fixed, and EMC grades is made to can reach
CISPRE25LEVEL3 requirements.PCB components 70 further include the electronic component integrations stations such as all chip, connector, sensor,
Chip on PCB components is by the PM2.5, PM10 detected, CO2, formaldehyde, toluene, VOC, temperature, humidity isoconcentration value with popular
Understandable Arabic numerals mode is shown to user, and reserved software burning test point, powder dust box cover reserve burning program
Hole can update software in the case where not tearing machine open, realize online upgrading function.
Please referring also to Figure 13, the device of detection automobile interior exterior air quality of the invention, using plastic cement water proof and dust proof cap
Add matching acquisition head assembly, two plastic hoses, two gas distribution pedestals, one in " ω " type air duct chamber component, one
CO2 sensors, a TVOC sensor, an air extractor, pcb board component, assembly pedestal and assembly head cover composition, wherein
Air duct chamber component includes the sensor bottom case that an inside is in " ω " type gas circuit, and there are two laser tube groups for the interior setting of sensor bottom case
Part and two independent split channels.Its operating characteristic as " ω " type gas path device, two points of the device front end
Not Dai You inside and outside collection head acquisition head assembly 10 by the rapidly wind regime generated during running by acquiring head cap, by
Wind turbine or air pump the manufacture air of internal air exhausting device are flow in device, and air enters from the side aperture of collection head, profit
The air concentration that stable constant pressure is obtained with the stability of wind turbine or air pump is pumped into the air flue intracavitary of air duct chamber component 90, air duct
1. and 2. two gas channels independently are designed in chamber component 90, every channel is also designed with gas by a certain percentage
Shunting, when the gas being drawn into enters dust passage from corresponding pipeline, the gas being drawn into is realized by runner physical arrangement
Gas distribution, big channel solve in vehicle traveling process to keep wind turbine to have powerful suction draught because speed is brought
Negative pressure problem, passage aisle influence of the wind speed to dust concentration value in order to prevent, make by the concentration values of detector lens with it is tested
Concentration value at survey is kept one to being directly pumped into the air quality in big channel, be discharged without going past sensor detector lens
Outside device, and the air of passage aisle is detected by sensor detection mouth, and the air quality of detection is by the air quality at pumping
Concentration value, car, vehicle outer tunnel are mutual indepedent, subsequent for air along with each channel is arranged with shunting physical arrangement
All kinds of sensing elements are detected, and detected value is then output to instrument board by CAN/L IN/UART signals, allows user with non-
Often intuitive form knows the air qualities concentration values such as PM2.5, PM10, CO2, formaldehyde, toluene, VOC outside interior and vehicle simultaneously.
The assembling of the device of the detection automobile interior exterior air quality of this programme is divided into acquisition head assembly, air duct chamber component and total
It is specific as follows at the three parts assembly of ontology assembling：
1. acquisition head assembly divides assembling process on pre-assembled and vehicle：
A. pre-assembled (installation data to match depot does homework)：Look first at the side mistake of acquisition inner tube set 12
Whether filter opening is plugged, and has non-trimming, foreign matter, and the limit rib of inner tube set is aligned to the limit of collection head outside vehicle after checking out
Slot is directly inserted into, and after confirming that inner tube set is fastened by collection head outside vehicle, indicates that pre-assembled is completed；
B. it is assembled on vehicle：Client only needs to take the acquisition head assembly 10 being pre-installed, and is inserted on the plate hole on vehicle at acquisition,
Then it is overleaf inserted into one of plastic hose 20, fast joint component 13 is fastened to all installations for completing acquisition head assembly 10.
3. the assembling process of air duct chamber component 90 refer to by：Sensor bottom case 91, first laser tube assembly 93, second laser pipe
The assembling process that component 94, sensor circuit board component 95 and sensor box cover 92 fit together：
A., first laser tube assembly 93 and second laser tube assembly 94 are packed into the second air of sensor bottom case 91 first
In slot 952, and first laser tube assembly 93 and second laser tube assembly 94 is made to be in reverse and arranged side by side；
B. by assemble, there are two the sensor circuit board components 95 of detector lens 98 to be arranged in first laser tube assembly 93
With the top of second laser tube assembly 94, two detector lens 98 are correspondingly arranged at first laser tube assembly 93 and second and swash respectively
975 top of detection mouth of optical tube assembly 94；
C. sensor box cover 92 is finally covered, fastening is directly buckled into, completes the ontology installation of air duct chamber component 90；
3. assembly ontology assembling refer to by：Air extractor 30, air duct chamber component 90, air current sealed circle, shielding case, pcb board
The assembling process that component 70, various kinds of sensors, assembly pedestal 60 and assembly head cover 61 fit together：
A. the PCB components 70 of packaged shielding case 71 are packed into assembly pedestal 60 first, corresponding screw lock are used in combination,
Then two gas distribution pedestals 80 are packed into, with screw lock gas distribution pedestal 80 in assembly pedestal 60, and by unicom at three
Mouth sticks sealing ring；
B. it by wind turbine or air pump, is packed into assembly pedestal 60, then connect wind turbine signal output connector and PCB components 70
On, cover fan cover 32, then with screw by wind turbine 31, fan cover 32 together locking bed in assembly pedestal 60；
C. 90 ontology of air duct chamber component for posting foam rubber is packed into assembly pedestal 60, posts the wind with high-density sponge
It is bonded with other to matching around 90 air inlet of road chamber component, ring ring is close, and guarantee will not allow gas to seal in or be lost in, then again
Sensor circuit board component 95 and sensor are accordingly connected by the harness of two head connector of band, to meet dust sensor detection
Dust concentration relevant information, which is exported, by CAN/LIN/UART buses and receives multimedia/air-conditioner controller/instrument controls signal
Functional requirement；
D. assembly head cover 61 is finally covered, fastening is directly buckled into, completes the ontology installation of dust detection unit.
Finally, total part ontology is positioned in automobile under console riveting after facial canal beam or glove box enters installation and fix, connection
Bus of getting on the car can be switched on use.
When actually detected, product booting after, internal induced draft fans or air pump manufacture air flow in device, air from
The device is entered at acquisition, the air concentration that stable constant pressure is obtained using the stability of wind turbine or air pump is pumped into air flue chamber
Interior, sensor is respectively designed with two independent gas passages, and every channel is also designed with gas distribution knot by a certain percentage
Structure, when the gas being drawn into enters dust passage from corresponding pipeline, the gas being drawn into is realized gas by runner physical arrangement
Body shunts, and big channel, which maintains air blower, has powerful suction draught, solves in vehicle traveling process because caused by speed
Negative pressure problem, passage aisle influence of the wind speed to dust concentration value in order to prevent make the concentration value by detector lens and are detected
The concentration value at place is kept one to being directly pumped into the air quality in big channel, dress is discharged without going past sensor detector lens
Outside setting, and the air of passage aisle is detected by sensor detection mouth, and the air quality of detection is by the air quality at pumping
Concentration value, car, vehicle outer tunnel are mutual indepedent, are designed between channel and channel and are sealed compared with glue, prevent gas leakage, prevent from collaborating
Occur, along with each channel is arranged with shunting physical arrangement, eliminate motor base connector, motor, gas distribution plug,
The parts such as gas shunt cap allow it to detect air flue and detect the inside and outside air of automobile simultaneously, it is not necessary to switch；It is subsequent each
Class sensing element can be carried out at the same time detection, and detected value is then output to instrument board by CAN/LIN/UART signals, allow use
Know the air qualities such as PM2.5, PM10, CO2, formaldehyde, toluene, the VOC outside interior and vehicle simultaneously in the form of very intuitive in family
Concentration value.
To sum up, the device of detection automobile interior exterior air quality of the invention, by being provided with one in assembly chassis interior
" ω " type air duct chamber component, outside are provided with two plastic hoses that can be separately connected outside interior and vehicle, the plastic hose other end
Acquisition head assembly is installed, the plastic hose outside connection car and vehicle is respectively by a gas distribution pedestal and air duct chamber component
Connection is provided with first laser tube assembly and second laser tube assembly in the chamber component of air duct, is correspondingly formed two independently
Gas channels, and be correspondingly arranged on to detect air concentration values respectively on every gas channels, automobile interior exterior air is through adopting
Collection head assembly and plastic hose enter air duct chamber component, after examined respectively via the detector lens on corresponding gas channels
It surveys, after detection, then is extracted out by air extractor, to realize while detect the purpose of automobile interior exterior air quality.
The present invention detects the device of automobile interior exterior air quality, has the advantages that：
1, it solves in running, not allow distinguished and admirable scour to detect border head, sensor internal response is too late, allows logical
The steady air current for crossing sensor detection border head, could detect precisely；
2, the rapidly wind regime of running is shunted (similar ship by the acquisition head assembly of the device most leading portion by acquiring head cap
Front end, high ferro headstock principle), only by internal fan exhausting, air enters from the side aperture of acquisition inner tube set, utilizes wind turbine
Stability obtain stablize constant pressure air concentration be pumped into it is intermediate match independent air chamber, for the subsequent laser detection of air chamber
Border head detection, allows CO2, TVOC, PM2.5, PM10 value draw property are good, accuracy is high, can reach ± 10%ug；
When 3, solving air quality at a sensor detection two in the market, need to do timesharing hand-off process problem, it should
Scheme may be implemented at two while detect, it is not necessary to switch, cancel switching device；
4, the parts such as motor base connector, motor, gas distribution plug, gas shunt cap are eliminated, new departure increases
Small laser module replaces, cost more bottom；
5, it can be allow to detect air flue using two small laser beam modulation head assemblies and detects the inside and outside air quality of automobile simultaneously,
It need not be toggled with electric machine assembly to do the air that timesharing detects automobile interior exterior；
6, the product solved in the market can not online upgrading, connection vehicle bus function；
7, component parts, production and assembly process are simple, and the stability of production efficiency and product structure is very good；
8, to be plastic hose connection, plastic hose flexibility can arbitrarily be bent the interior corresponding test point of access
On, the big difficulty of installation volume of the ontology in automobile is improved, and measuring points placement can be allowed flexible, hose coupling is using industry
The scheme of straight cutting pipe is applied industrial common tracheae fast joint component standard part on air quality systems, when filling hose
It is easier；
9, acquisition head assembly is to be divided to Rapid matching car external circulation air inlet at vehicle inside and outside two by buckle or engagement thread
With interior A columns or main driving knee, the inverted " u " word structure of cap is acquired, can be acquired by dustproof and waterproof grade IP52
The reticulated cell of internal member can play preliminary filtration system, can the foreign matters such as bulky grain, soil, wool fabric be hindered shelves outside, user
Lower acquisition cap can be dialled, is directly cleaned out, then detain back, and life of product is made to can reach 100,000 kilometers of life requirements in 3 years；
10, two separate gas channels are designed with, every channel is also designed with gas distribution by a certain percentage, and big channel is
Keep product that there is powerful negative pressure, passage aisle influence of the wind speed to dust concentration value in order to prevent to make by detecting mirror
The concentration value of head is with the detected concentration value holding one located to shunt gas solves galloping negative pressure, speed simultaneously
Problem；
11, self structure is small, and structure strong applicability, mounting structure is simple, and installation site obtains freely changing very much
It is kind, it can be matched completely according to the different requirements of depot, it can be with wide popularization and application.
Although description of this invention combination embodiments above carries out, those skilled in the art
Member can carry out many replacements according to above-mentioned content, modifications and variations, be obvious.Therefore, it is all it is such substitute,
It improves and variation is included in the spirit and scope of appended claims.
Claims (10)
1. a kind of device of detection automobile interior exterior air quality comprising can mutually be buckled into the assembly pedestal and assembly of a box body
Head cover, setting PCB components, two laser tube assemblies, four fast joint components in the assembly pedestal, the assembly pedestal it is outer
Portion is provided with two plastic hoses that can be respectively connected to outside interior and vehicle, by fast on the end of the outside of the plastic hose
Adapter assembly is connected and installed with acquisition head assembly, which is characterized in that there are two can be connected to assembly for the assembly chassis interior setting
The gas distribution pedestal of pedestal inside and outside, the gas distribution pedestal are located at one end of the assembly base exterior and the plastic cement
Between hose by the fast joint member seals connect, the gas distribution pedestal positioned at the one of the assembly chassis interior
An air duct chamber component in " ω " type is connected on end；The assembly chassis interior is additionally provided with corresponding with the air duct chamber component
Air extractor, the air duct chamber component and the air extractor are electrically connected with the PCB components.
2. the device of detection automobile interior exterior air quality according to claim 1, which is characterized in that the air duct chamber component
Including can mutually fasten sensor bottom case and sensor box cover in a box body；It is formed on the bottom of the sensor bottom case and is in
The two sensor bottom case air inlets and a sensor bottom case air outlet of isosceles triangle distribution, the sensor bottom case outlet air
Mouth is far from two sensor bottom case air inlets settings；The inside of the sensor bottom case formed there are two in bending arcuation and
Symmetrically arranged first air groove, two first air grooves are connected to form " ω " type, and two first air grooves are connected
The inside in " ω " the type space formed is also formed with one second air groove；Two sensor bottom case air inlets correspond to shape respectively
At the bottom in the same end of two first air grooves, the sensor bottom case air outlet is formed in two first skies
Bottom at the convergence of the other end in the same direction of air drain is also formed with one at the sensor bottom case air outlet and is divided into two
Half baffle, the central junction line setting of the vertical two sensor bottom case air inlets of the baffle；Second air groove
Be also formed with two mistake gas ports penetrate through with first air groove at the position of the sensor bottom case air outlet, two
A gas port of crossing is symmetrically formed in the both sides of the baffle；The identical first laser of structure is provided in second air groove
Tube assembly and second laser tube assembly.
3. the device of detection automobile interior exterior air quality according to claim 2, which is characterized in that the first laser pipe
Component and second laser tube assembly are in reverse and arranged side by side.
4. the device of detection automobile interior exterior air quality according to claim 2, which is characterized in that the fast joint component
The active joint that can be docked with the plastic hose including a tubulose, close to the bottom end outer, coaxial socket of the active joint
There are a connector guide collar, the inside of the connector guide collar to be also coaxially arranged with a hose clamp spring and an active joint spacing collar,
The end of the bottom end of the active joint is resisted against at the inner edge of the top of the hose clamp spring, the active joint spacing collar
Top is resisted against at the outer rim of the lower section of the hose clamp spring, the outside also airtight connection of the bottom end of the active joint spacing collar
There is a sealing ring；The active joint can increase the hose clamp spring pressure diameter of its inner ring, release stress, the hose
Clamp spring resets.
5. the device of detection automobile interior exterior air quality according to claim 2, which is characterized in that the gas distribution bottom
Seat is tubulose of the hollow and bending in two L shapes, and one end forms gas distribution pedestal air inlet, and the other end forms gas and divides
Flow pedestal air outlet；It is sealed and is connected by the fast joint component between the gas distribution pedestal air inlet and the plastic hose
It connects, the gas distribution pedestal air outlet is correspondingly connected with the sensor bottom case air inlet, the gas distribution pedestal
It is provided with gas distribution sealing ring between air outlet and the sensor bottom case air inlet.
6. the device of detection automobile interior exterior air quality according to claim 3, which is characterized in that the first laser pipe
It is in the block-like pedestal of cuboid that component, which includes one, and the bottom of the pedestal is formed with the first wind guide tank being set up in parallel, second leads
The both ends of wind groove and surface groove, first wind guide tank and the second wind guide tank are each extended through to the outside of the pedestal, institute
One end for stating surface groove is closed, the other end is extended through to the outside of the pedestal；It is formed at the slot bottom of second wind guide tank
There is one can penetrate through to the detection mouth outside the pedestal, second wind guide tank is formed on the common side wall of the surface groove
There is the light-emitting window of a perforation；First wind guide tank of the first laser tube assembly being arranged in second air groove with it is described
Second wind guide tank of second laser tube assembly connects to form a gas channels, the second wind-guiding of the first laser tube assembly
Slot and the first wind guide tank of the second laser tube assembly connect to form another gas channels.
7. the device of detection automobile interior exterior air quality according to claim 6, which is characterized in that the air duct chamber component
Further include the sensor circuit board component being arranged between the sensor bottom case and sensor box cover, the sensor circuit board
Setting is there are two detector lens on component, and two detector lens are correspondingly arranged at the first laser tube assembly and the respectively
At the detection mouth of two sensor lens, the air quality in corresponding gas channels is detected respectively, and the detector lens are penetrated
The some light gone out passes through the light-emitting window and forms catadioptric in the surface groove to prevent light leakage in detection process.
8. the device of detection automobile interior exterior air quality according to claim 7, which is characterized in that the sensor bottom case
Inside can also be arranged it is following in one or more combinations：It dust sensor, carbon dioxide sensor, Temperature Humidity Sensor and always waves
Hair property organic compound sensor.
9. the device of detection automobile interior exterior air quality according to claim 2, which is characterized in that the acquisition head assembly
Including collection head outside vehicle and interior collection head, the car collection head and the outer collection head of vehicle by a fast joint component respectively with
The one plastic hose connection；The vehicle is outer to be additionally provided with initial filter between collection head and the corresponding fast joint component
Net, inner tube set and vehicle outer locking nut, one end and the coaxial grafting of the fast joint component of said inner tube set, the other end with it is described
The coaxial grafting of primary filter simultaneously embeds in the outer collection head of the vehicle together；The vehicle outer locking nut is sleeved on said inner tube
On the lateral wall of set.
10. detecting the device of automobile interior exterior air quality according to claim 1-9 any one of them, which is characterized in that described
Air extractor includes that the wind turbine at a sensor bottom case air outlet rear for being correspondingly arranged at the air duct chamber component and one are located at
Fan cover outside the wind turbine, the air of sensor bottom case air outlet output via the wind turbine suction and be expelled to
It is external；The wind turbine and the corresponding position of the fan cover are provided with fan cover sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810297215.2A CN108318081B (en) | 2018-03-30 | 2018-03-30 | Device for detecting air quality inside and outside automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297215.2A CN108318081B (en) | 2018-03-30 | 2018-03-30 | Device for detecting air quality inside and outside automobile |
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| CN108318081B (en) | 2024-04-09 |
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