CN104820064A - Negative-pressure suction type in-vehicle air quality detection apparatus - Google Patents
Negative-pressure suction type in-vehicle air quality detection apparatus Download PDFInfo
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- CN104820064A CN104820064A CN201510138011.0A CN201510138011A CN104820064A CN 104820064 A CN104820064 A CN 104820064A CN 201510138011 A CN201510138011 A CN 201510138011A CN 104820064 A CN104820064 A CN 104820064A
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- 238000001514 detection method Methods 0.000 title abstract description 19
- 238000012360 testing method Methods 0.000 claims description 62
- 238000009413 insulation Methods 0.000 claims description 23
- 230000035515 penetration Effects 0.000 claims description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 22
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 11
- 239000001569 carbon dioxide Substances 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The invention discloses a negative-pressure suction type in-vehicle air quality detection apparatus. The objective of the invention is to provide the in-vehicle air quality detection apparatus capable of effectively overcoming the problem of poor validity and reliability of detection data since the detection data obtained by conventional in-vehicle air quality detection apparatuses is incapable of objectively reflecting the quality of air at each position in a passenger compartment. The negative-pressure suction type in-vehicle air quality detection apparatus comprises an air inlet flow guiding pipeline, an air outlet flow guiding pipeline, a negative pressure tank with an enclosed cavity, a detection pipeline and a sensor detection device arranged on the detection pipeline and used for detecting the quality of air in the detection pipeline, wherein the air inlet flow guiding pipeline, the air outlet flow guiding pipeline, the negative pressure tank and the detection pipeline are all arranged on the body of a vehicle.
Description
Technical field
The present invention relates to a kind of air quality detecting device, be specifically related to a kind of negative pressure suction type in-car air quality pick-up unit.
Background technology
Along with socioeconomic fast development and scientific and technological progress, automobile has become staple commodities and has entered huge numbers of families; Meanwhile, relevant to automobile health problem also starts to highlight.Crew module due to automotive interior is a relatively airtight separate space, after vehicle window is closed, and the air circulation extreme difference in crew module; And in the process of garage, occupant breathes the carbon dioxide of generation, the oxides of nitrogen etc. of engine operation generation all can be assembled in crew module.On the other hand, the inside gadget of automobile is assembled (as various plastics, leather) by various material, if the volatilization of not asking when long, then after assembling, the gas of volatilization very easily works the mischief to human body; Thus it is necessary for detecting the air quality in vehicle occupant compartment.
In some current luxury cars, in-car air quality pick-up unit and air cleaning unit can be installed, it by arranging detecting sensor in vehicle occupant compartment, such as, oxygen sensor, carbon dioxide sensor, carbon monoxide transducer, NOx sensor etc., detect the air quality in crew module by these detecting sensors; But the detecting sensor of current in-car air quality pick-up unit is all directly fixed in compartment and detects, and crew module is a relatively airtight separate space, almost air circulation is not had in it, this makes detecting sensor be merely able to detect the air quality in the extremely limited space in crew module, namely near this part air quality at detecting sensor position; Thus current in-car air quality pick-up unit detects the air quality that the air quality data obtained is merely able to represent certain point or certain several point in crew module, and objectively cannot represent the air quality level at each position in crew module, cause the validity of current in-car air quality pick-up unit detection data, reliability by not good.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, there is provided a kind of effectively to improve in-car air quality pick-up unit of the prior art and detect the air quality that the air quality data obtained cannot objectively respond each position in crew module, cause detecting the negative pressure suction type in-car air quality pick-up unit of the not good problem of the validity of data, reliability.
Technical scheme of the present invention is:
A kind of negative pressure suction type in-car air quality pick-up unit, comprise air intake conduction pipe, air-out conduction pipe, has the negative pressure tank body of sealed internal chamber, testing pipes and being arranged in testing pipes for testing the air quality detecting device of air quality in testing pipes; Described air intake conduction pipe, air-out conduction pipe, negative pressure tank body and testing pipes are separately positioned on vehicle body; Negative-pressure cup outside is provided with suction opeing, air intake opening and exhausr port, described air inlet with and exhausr port be positioned at the relative two sides of negative pressure tank body, the wireway extended toward air intake opening direction from air intake opening is also provided with in negative pressure tank body, the both ends open of this wireway, and the Single port of wireway and air intake opening are tightly connected, another port is towards air intake opening; Described air intake conduction pipe is positioned at below vehicle body, and air intake conduction pipe extends along vehicle body fore-and-aft direction, and the front port of air intake conduction pipe is arranged forward, and rear port and the air intake opening of air intake conduction pipe are tightly connected; Described air-out conduction pipe extends along vehicle body fore-and-aft direction, and front port and the exhausr port of air-out conduction pipe are tightly connected, and the rear port of wind pipe is arranged backwards, and communicate with body exterior space; The both ends open of described testing pipes, and the Single port of testing pipes communicates with passenger cabin, another port and suction opeing are tightly connected.
This programme structure is in vehicle traveling process, and external air flow is flowed into by air intake conduction pipe, and wireway ejection, then discharged by air-out conduction pipe; In negative pressure tank body, negative pressure is formed like this by what continue; Thus the air in vehicle traveling process in crew module will constantly flow in negative pressure tank body by testing pipes, the air quality detecting device of this sample plan is when detection flows through air quality in testing pipes, the air quality of most of position in crew module can be detected, thus effectively improvement in-car air quality pick-up unit of the prior art detects the air quality that the air quality data obtained cannot objectively respond each position in crew module, cause the problem that the validity of detection data, reliability are not good.
On the other hand, the negative pressure suction type in-car air quality pick-up unit of this programme utilizes the air stream formed in vehicle traveling process as power source, when it can avoid utilizing the plant equipment such as air exhauster as power source, the problem causing pick-up unit to lose efficacy because of mechanical equipment faults such as air exhausters.
As preferably, testing pipes is vertically arranged, vertical axle sleeve is also provided with in described testing pipes, vertical rotating shaft and drive impeller, described vertical axle sleeve is connected by connecting link with between testing pipes, described vertical rotating shaft is put by the rotating vertical axes that is arranged on of bearing, and described drive impeller is fixedly installed in vertical rotating shaft; The upper end of described vertical rotating shaft is provided with the mounting cylinder of upper and lower closed at both ends, and mounting cylinder is coaxial with vertical rotating shaft;
Described air quality detecting device is arranged on mounting cylinder sidewall, and this air quality detecting device is for testing the air quality between mounting cylinder lateral surface and testing pipes; The battery being provided with controller in described mounting cylinder and being electrically connected with controller, described air quality detecting device is connected by signal input line with between controller, and described controller is connected with the car body controller of automobile by output line;
Described mounting cylinder upper end is provided with coaxially with vertical axle sleeve dodges through hole, in mounting cylinder, is positioned to dodge to be provided with immediately below through hole and determines electrical connector, and this is determined electrical connector and is fixed on mounting cylinder inwall by insulating bar; Describedly dodge in through hole the insulation penetration pipe being inserted with both ends open, and insulation penetration pipe is connected by connecting link with between testing pipes, insulation penetration pipe is vertically arranged, dividing plate is provided with in insulation penetration pipe, dividing plate is provided with through wires hole, in insulation penetration pipe, be positioned at and be provided with slidably dynamic electric binding post below dividing plate, between dividing plate and dynamic electric binding post, is provided with Compress Spring in insulation penetration pipe, the lower end abutment of described dynamic electric binding post is being determined on electrical connector; Described output line is made up of interior output line and external signal output line, described interior output line connection control device and determine electrical connector, external signal output line one end is connected with dynamic electric binding post upper end, and the other end is connected with car body controller through insulation penetration pipe.
This programme structure is when airflow passes testing pipes, and air-flow will drive drive impeller to rotate, and then drives mounting cylinder, and the air quality detecting device on mounting cylinder rotates; And in mounting cylinder and air quality detecting device rotation process, air quality detecting device and controller still can normally work, controller can normal input/output signal; Such air quality detecting device, in the process around vertical axis of rotation, can carry out the detection of circumferential each point to the air between mounting cylinder and testing pipes; Thus effective test flows through the quality of the air of testing pipes further, be conducive to air quality detecting device like this and objectively respond air quality in crew module, when effectively avoiding defective air to flow through testing pipes, the problem that can not be detected by air quality detecting device.
As preferably, air quality detecting device comprises the oxygen sensor be arranged on mounting cylinder sidewall, carbon dioxide sensor, carbon monoxide transducer and NOx sensor, oxygen sensor, carbon dioxide sensor, carbon monoxide transducer and NOx sensor are connected with controller respectively by signal input line.
As preferably, air quality detecting device comprises the oxygen sensor be arranged in testing pipes, carbon dioxide sensor, carbon monoxide transducer and NOx sensor.
As preferably, testing pipes is positioned at below car boot separator for container, and car boot separator for container is provided with air guide hole, and the port that testing pipes communicates with passenger cabin and air guide hole are tightly connected.
As preferably, air intake opening and exhausr port just to setting, on described wireway towards the port of air intake opening near air intake opening.
As preferably, air intake opening and exhausr port rounded, and the internal diameter of exhausr port is greater than the internal diameter of air intake opening, and described wireway is cylindrical, and the internal diameter of wireway is identical with the internal diameter of air intake opening.
As preferably, in the port that testing pipes communicates with passenger cabin, be provided with Turbogrid plates.
As preferably, the bottom of negative pressure tank body is provided with liquid-leaking nozzle, and is provided with dismountable seal plug in this liquid-leaking nozzle.
The invention has the beneficial effects as follows: effectively can improve in-car air quality pick-up unit of the prior art and detect the air quality that the air quality data obtained cannot objectively respond each position in crew module, cause the problem that the validity of detection data, reliability are not good.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the negative pressure suction type in-car air quality pick-up unit of the embodiment of the present invention 1.
Fig. 2 is a kind of structural representation of the negative pressure suction type in-car air quality pick-up unit of the embodiment of the present invention 2.
Fig. 3 is the enlarged drawing at A place in Fig. 2.
Fig. 4 is the enlarged drawing at B place in Fig. 3.
In figure: air intake conduction pipe 1, negative pressure tank body 2, air intake opening 21, suction opeing 22, wireway 23, exhausr port 24, air-out conduction pipe 3, testing pipes 4, air quality detecting device 5, car boot separator for container 6, Turbogrid plates 7, drive impeller 8, vertical rotating shaft 9, vertical axle sleeve 10, controller 11, mounting cylinder 12, output line 13, interior output line 13a, external signal output line 13b, insulation penetration pipe 14, determine electrical connector 16, dynamic electric binding post 17, lower annular stop block 18, upper annular limited block 19, Compress Spring 20, dividing plate 21, dodge through hole 22.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
Embodiment 1: as shown in Figure 1, a kind of negative pressure suction type in-car air quality pick-up unit comprises air intake conduction pipe 1, air-out conduction pipe 3, there is the negative pressure tank body 2 of sealed internal chamber, testing pipes 4 and being arranged in testing pipes for testing the air quality detecting device 5 of air quality in testing pipes.Air intake conduction pipe, air-out conduction pipe, negative pressure tank body and testing pipes are separately positioned on vehicle body.The bottom of negative pressure tank body is provided with liquid-leaking nozzle, and is provided with dismountable seal plug in this liquid-leaking nozzle.
Negative-pressure cup outside is provided with suction opeing 22, air intake opening 21 and exhausr port 24.Suction opeing, air intake opening and exhausr port are all communicated with negative-pressure cup intracoelomic cavity.Suction opeing is positioned at negative pressure tank body top.Air inlet with and exhausr port be positioned at the relative two sides of negative pressure tank body, and air intake opening and exhausr port are just to setting.Air intake opening and exhausr port rounded, and the internal diameter of exhausr port is greater than the internal diameter of air intake opening.
The wireway 23 extended toward air intake opening direction from air intake opening is also provided with in negative pressure tank body.Wireway is cylindrical, and the internal diameter of wireway is identical with the internal diameter of air intake opening.The both ends open of wireway.Single port and the air intake opening of wireway are tightly connected, another port towards air intake opening, and on wireway towards the port of air intake opening near air intake opening.
Air intake conduction pipe is positioned at (namely air intake conduction pipe is positioned at below chassis) below vehicle body.Air intake conduction pipe extends along vehicle body fore-and-aft direction.The front port of air intake conduction pipe is arranged forward, and rear port and the air intake opening of air intake conduction pipe are tightly connected.Air-out conduction pipe is positioned at (namely air-out conduction pipe is positioned at below chassis) below vehicle body.Air-out conduction pipe extends along vehicle body fore-and-aft direction, and front port and the exhausr port of air-out conduction pipe are tightly connected.The rear port of wind pipe is arranged backwards, and communicates with body exterior space.
Testing pipes is positioned at below car boot separator for container 6.Testing pipes is vertically arranged.Car boot separator for container is provided with air guide hole.The both ends open of testing pipes.The Single port of testing pipes communicates with passenger cabin, and another port and suction opeing are tightly connected; Namely the upper port of testing pipes communicates with passenger cabin, and lower port and suction opeing are tightly connected.The port that testing pipes communicates with passenger cabin and air guide hole are tightly connected.Turbogrid plates 7 are provided with in the port that testing pipes communicates with passenger cabin.
Air quality detecting device comprises the oxygen sensor be arranged in testing pipes, carbon dioxide sensor, carbon monoxide transducer and NOx sensor.
As follows in the specific works process of negative pressure suction type in-car air quality pick-up unit of the present invention:
In vehicle traveling process: external air flow is flowed into by air intake conduction pipe, and is sprayed by wireway; Then, air-flow is discharged by exhausr port and air-out conduction pipe; Partial air in this process in negative pressure tank body will together be discharged by exhausr port and air-out conduction pipe, thus continue in negative pressure tank body, form negative pressure; Thus make the air in crew module constantly flow in negative pressure tank body by testing pipes, the air quality detecting device of this sample plan is when detection flows through air quality in testing pipes, the air quality of most of position in crew module can be detected, and then effectively improvement in-car air quality pick-up unit of the prior art detects the air quality that the air quality data obtained cannot objectively respond each position in crew module, cause the problem that the validity of detection data, reliability are not good.
Embodiment 2: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As shown in Figure 2, Figure 3, Figure 4, in testing pipes 4, be provided with vertical axle sleeve 10, vertical rotating shaft 9 and drive impeller 8.Vertical axle sleeve is connected by connecting link with between testing pipes.Vertical rotating shaft is put by the rotating vertical axes that is arranged on of bearing.Drive impeller is fixedly installed in vertical rotating shaft, and drive impeller is positioned at below vertical axle sleeve.
The upper end of vertical rotating shaft is provided with the mounting cylinder 12 of upper and lower closed at both ends, and mounting cylinder is coaxial with vertical rotating shaft.The upper end of mounting cylinder is semicircle or the taper shape of epirelief.Mounting cylinder upper end is provided with coaxially with vertical axle sleeve dodges through hole 22.In mounting cylinder, be positioned to dodge to be provided with immediately below through hole and determine electrical connector 16, and this is determined electrical connector and is fixed on mounting cylinder inwall by insulating bar.The end face determining electrical connector is horizontally disposed with.Dodge in through hole the insulation penetration pipe 14 being inserted with both ends open, and insulation penetration pipe is connected by connecting link with between testing pipes.Insulation penetration pipe is vertically arranged.Dividing plate 21 is provided with in insulation penetration pipe.Dividing plate is provided with through wires hole.In insulation penetration pipe, be positioned at and below dividing plate, be provided with slidably dynamic electric binding post 17.Dynamic electric binding post lateral surface is provided with annular limited block 19.On insulation penetration pipe medial surface, the below that is positioned at annular limited block is provided with lower annular stop block 18.Between dividing plate and dynamic electric binding post, Compress Spring 20 is provided with in insulation penetration pipe.The lower end abutment of dynamic electric binding post is on the end face determining electrical connector.Dynamic electric binding post with determine electrical connector and be electrically connected.When the lower end abutment of dynamic electric binding post is on the end face determining electrical connector, between upper annular limited block and lower annular stop block, there is gap.
Air quality detecting device 5 in this enforcement is arranged on mounting cylinder sidewall.This air quality detecting device is for testing the air quality between mounting cylinder lateral surface and testing pipes.Air quality detecting device comprises the oxygen sensor be arranged on mounting cylinder sidewall, carbon dioxide sensor, carbon monoxide transducer and NOx sensor.
The battery being provided with controller 11 in mounting cylinder and being electrically connected with controller.Battery provides power supply for controller and air quality detecting device.Be connected by signal input line between air quality detecting device with controller; Specifically, oxygen sensor, carbon dioxide sensor, carbon monoxide transducer and NOx sensor are connected with controller respectively by signal input line.Controller is connected with the car body controller of automobile by output line 13.Output line is made up of interior output line 13a and external signal output line 13b.Interior output line connection control device and determine electrical connector.External signal output line one end is connected with dynamic electric binding post upper end, and the other end is connected with car body controller through insulation penetration pipe from bottom to top.
When the defect of data that any one sensor in air quality detecting device detects, then the signal opening vehicle window is sent on car body controller by output line by controller, and car body controller opens vehicle window automatically.
Claims (9)
1. a negative pressure suction type in-car air quality pick-up unit, it is characterized in that, comprise air intake conduction pipe (1), air-out conduction pipe (3), there is the negative pressure tank body (2) of sealed internal chamber, testing pipes (4) and being arranged in testing pipes for testing the air quality detecting device (5) of air quality in testing pipes; Described air intake conduction pipe, air-out conduction pipe, negative pressure tank body and testing pipes are separately positioned on vehicle body;
Negative-pressure cup outside is provided with suction opeing (22), air intake opening (21) and exhausr port (24), described air inlet with and exhausr port be positioned at the relative two sides of negative pressure tank body, the wireway (23) extended toward air intake opening direction from air intake opening is also provided with in negative pressure tank body, the both ends open of this wireway, and the Single port of wireway and air intake opening are tightly connected, another port is towards air intake opening;
Described air intake conduction pipe is positioned at below vehicle body, and air intake conduction pipe extends along vehicle body fore-and-aft direction, and the front port of air intake conduction pipe is arranged forward, and rear port and the air intake opening of air intake conduction pipe are tightly connected; Described air-out conduction pipe extends along vehicle body fore-and-aft direction, and front port and the exhausr port of air-out conduction pipe are tightly connected, and the rear port of wind pipe is arranged backwards, and communicate with body exterior space;
The both ends open of described testing pipes, and the Single port of testing pipes communicates with passenger cabin, another port and suction opeing are tightly connected.
2. negative pressure suction type in-car air quality pick-up unit according to claim 1, it is characterized in that, described testing pipes is vertically arranged, vertical axle sleeve is provided with in described testing pipes, vertical rotating shaft and drive impeller, described vertical axle sleeve is connected by connecting link with between testing pipes, and described vertical rotating shaft is put by the rotating vertical axes that is arranged on of bearing, and described drive impeller is fixedly installed in vertical rotating shaft; The upper end of described vertical rotating shaft is provided with the mounting cylinder of upper and lower closed at both ends, and mounting cylinder is coaxial with vertical rotating shaft;
Described air quality detecting device is arranged on mounting cylinder sidewall, and this air quality detecting device is for testing the air quality between mounting cylinder lateral surface and testing pipes; The battery being provided with controller in described mounting cylinder and being electrically connected with controller, described air quality detecting device is connected by signal input line with between controller, and described controller is connected with the car body controller of automobile by output line;
Described mounting cylinder upper end is provided with coaxially with vertical axle sleeve dodges through hole, in mounting cylinder, is positioned to dodge to be provided with immediately below through hole and determines electrical connector, and this is determined electrical connector and is fixed on mounting cylinder inwall by insulating bar; Describedly dodge in through hole the insulation penetration pipe being inserted with both ends open, and insulation penetration pipe is connected by connecting link with between testing pipes, insulation penetration pipe is vertically arranged, dividing plate is provided with in insulation penetration pipe, dividing plate is provided with through wires hole, in insulation penetration pipe, be positioned at and be provided with slidably dynamic electric binding post below dividing plate, between dividing plate and dynamic electric binding post, is provided with Compress Spring in insulation penetration pipe, the lower end abutment of described dynamic electric binding post is being determined on electrical connector; Described output line is made up of interior output line and external signal output line, described interior output line connection control device and determine electrical connector, external signal output line one end is connected with dynamic electric binding post upper end, and the other end is connected with car body controller through insulation penetration pipe.
3. negative pressure suction type in-car air quality pick-up unit according to claim 2, it is characterized in that, described air quality detecting device comprises the oxygen sensor be arranged on mounting cylinder sidewall, carbon dioxide sensor, carbon monoxide transducer and NOx sensor, oxygen sensor, carbon dioxide sensor, carbon monoxide transducer and NOx sensor are connected with controller respectively by signal input line.
4. negative pressure suction type in-car air quality pick-up unit according to claim 1, it is characterized in that, described air quality detecting device comprises the oxygen sensor be arranged in testing pipes, carbon dioxide sensor, carbon monoxide transducer and NOx sensor.
5. negative pressure suction type in-car air quality pick-up unit according to claim 1, it is characterized in that, described testing pipes is positioned at below car boot separator for container, and car boot separator for container is provided with air guide hole, and the port that testing pipes communicates with passenger cabin and air guide hole are tightly connected.
6. the negative pressure suction type in-car air quality pick-up unit according to claim 1 or 2 or 3 or 4 or 5, is characterized in that, described air intake opening and exhausr port just to setting, on described wireway towards the port of air intake opening near air intake opening.
7. the negative pressure suction type in-car air quality pick-up unit according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described air intake opening and exhausr port rounded, and the internal diameter of exhausr port is greater than the internal diameter of air intake opening, described wireway is cylindrical, and the internal diameter of wireway is identical with the internal diameter of air intake opening.
8. the negative pressure suction type in-car air quality pick-up unit according to claim 1 or 2 or 3 or 4 or 5, is characterized in that, be provided with Turbogrid plates in the port that described testing pipes communicates with passenger cabin.
9. the negative pressure suction type in-car air quality pick-up unit according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, the bottom of described negative pressure tank body is provided with liquid-leaking nozzle, and is provided with dismountable seal plug in this liquid-leaking nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138011.0A CN104820064B (en) | 2015-03-26 | 2015-03-26 | Negative pressure suction type in-car air quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138011.0A CN104820064B (en) | 2015-03-26 | 2015-03-26 | Negative pressure suction type in-car air quality detection device |
Publications (2)
| Publication Number | Publication Date |
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| CN104820064A true CN104820064A (en) | 2015-08-05 |
| CN104820064B CN104820064B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510138011.0A Expired - Fee Related CN104820064B (en) | 2015-03-26 | 2015-03-26 | Negative pressure suction type in-car air quality detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918770A (en) * | 2018-05-20 | 2018-11-30 | 林辉 | A kind of device detecting automobile interior exterior air quality |
| CN110850038A (en) * | 2019-12-02 | 2020-02-28 | 镇江市高等专科学校 | Negative pressure suction type in-car air quality detection device |
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| JP2004151005A (en) * | 2002-10-31 | 2004-05-27 | Ngk Spark Plug Co Ltd | Apparatus for detecting gas and temperature |
| CN200986201Y (en) * | 2006-12-21 | 2007-12-05 | 孙伟成 | Motor vehicle tail gas centralizing clean-up discharging devcie |
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| CN103616263A (en) * | 2013-11-27 | 2014-03-05 | 青岛殖富园机械有限公司 | Device for detecting air quality of livestock breeding places |
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| CN110850038A (en) * | 2019-12-02 | 2020-02-28 | 镇江市高等专科学校 | Negative pressure suction type in-car air quality detection device |
Also Published As
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| CN104820064B (en) | 2016-08-17 |
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