CN103033475B - Measurement CO for vehicle2the device of concentration - Google Patents
Measurement CO for vehicle2the device of concentration Download PDFInfo
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- CN103033475B CN103033475B CN201110451387.9A CN201110451387A CN103033475B CN 103033475 B CN103033475 B CN 103033475B CN 201110451387 A CN201110451387 A CN 201110451387A CN 103033475 B CN103033475 B CN 103033475B
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- 238000005259 measurement Methods 0.000 title claims abstract description 33
- 230000003287 optical Effects 0.000 claims abstract description 17
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000241 respiratory Effects 0.000 description 1
Abstract
The invention provides a kind of measurement CO for vehicle2The device of concentration, its indoor panel and the CO that can include wherein installing the vehicle of air intake2Sensing unit, described CO2Sensing unit is arranged in described indoor panel, including Optical Transmit Unit, light receiving unit and around Optical Transmit Unit and light receiving unit to reflect and to move the housing of light in the plane, described CO2Sensing unit is introduced into the plane that the air of described entrance moves relative to light and is introduced vertically into.
Description
Technical field
The present invention relates to the measurement CO for vehicle2The device of concentration, it is provided that described device is accurately to measure in vehicle
CO in air2Concentration.
Background technology
Generally, the air-conditioning of vehicle is configured to be selectively introduced inner air and extraneous air.But, depend on vehicle
The selection of inner/outer air introducing device, the problem causing contradiction.
That is, when air-conditioning as outdoor air introduce pattern use time, air-conditioning is in summer/winter fuel efficiency and cooling/add
Hot property aspect is disadvantageous, when air-conditioning uses as room air introducing pattern, and the CO in vehicle2Concentration increases, thus
Add sense of discomfort and infringement health.
Accordingly, it would be desirable to by the inner/outer air introducing device of actively control vehicle to mate with each pattern, thus
Solve described contradiction.To this end, substantially need a kind of CO for measuring in vehicle2The device of concentration.
But, in order to measure CO2, it is necessary to collect room air in position, and measure institute by infrared sensor
State the room air of collection.The measurement CO for vehicle according to correlation technique2The device of concentration is also not according to installation site, knot
The Development Technology such as structure.
Such as, CO will can be measured2The device of concentration is disposed proximate to the position of air conditioner outlet, this may result in due to summer/
The difference of the emission direction of winter air and the different sensing performance that causes.Additionally, measure CO2The device of concentration needs to be pacified
It is contained in the position of the respiratory apparatus close to passenger.In this case, it is necessary to select the position being suitable to sense the air of front stall/back seat
Put.
Further, it is necessary to configuration according to the air flow collection air in vehicle, and can have according to infrared sensor
The sensor of the optimization layout of operation.
The information being disclosed in background parts of the present invention is merely intended to increase the understanding of the general background to the present invention, and should not
When being considered to recognize or imply in any form this information structure prior art well known to persons skilled in the art.
Summary of the invention
Various aspects of the invention provide a kind of measurement CO for vehicle2The device of concentration, when by CO2Concentration senses
The optimization position that device is installed in vehicle is to sense CO2During concentration, described device has the layout of optimization.
Various aspects of the invention provide a kind of measurement CO for vehicle2The device of concentration, it includes wherein installing
The indoor panel of the vehicle of air intake and CO2Sensing unit, described CO2Sensing unit is arranged in described indoor panel, bag
Include Optical Transmit Unit and light receiving unit, around Optical Transmit Unit and light receiving unit to reflect and to move light in the plane, institute
State CO2Sensing unit is introduced into what the air of described entrance was introduced vertically into relative to the plane that light moves.
Described CO2Sensing unit can introduce air based on the plane that light moves from vehicle interior, and air is emitted into car
Outside.
CO2The reflectance coating of sensing unit is formed as having polygonal shape, and it will be from light emitting units emitting to light-receiving
The light of unit surrounds, and will input to light receiving unit from the light of light emitting units emitting by repeatedly carrying out reflective operation.
CO2Sensing unit can have the Optical Transmit Unit being arranged on its side and the light emission list being arranged on its opposite side
Unit, and can have the air introducing holes of air intake corresponding to being arranged on its front portion.
The inside of the indoor panel of vehicle is equipped with interrupt location, this interrupt location interrupt light to the transmission of air intake with
Prevent the light from light emitting units emitting from leaking out to vehicle interior.
Described interrupt location can have the section shape that wherein bool overlaps abreast with transmission air and to interrupt
Light.
The air intake of the indoor panel of vehicle is equipped with capping, and described capping is equipped with hooking by inserting entrance
Hook presss from both sides, and described interrupt location indentation can be made to have space segment 440, places described hook folder in this space segment.
Measurement CO for vehicle2The device of concentration may also include shell, and this shell is arranged in indoor panel, and has
It is connected to the air intake of its side and is connected to the air outlet slit of its opposite side, wherein by described CO2Sensing unit is installed on
In shell 200.
Can form described shell makes air outlet slit be formed in the both sides relative to air intake respectively.
The indoor panel of vehicle can be the indoor panel of B pillar.
Should be appreciated that term used herein " vehicle " or " vehicle " or other similar terms generally comprise motor vehicles
, such as include sport vehicle (SUV), utility car, truck, the passenger vehicle of various commerial vehicle, including each
Plant boat ship and the ship of boats and ships, airborne vehicle etc., and include motor vehicle driven by mixed power, electric vehicle, pluggable hybrid electric
Vehicle, hydrogen-powered vehicle and other alternative fuel vehicle (for example originating from the fuel of the nonoil energy).As referred to herein
Motor vehicle driven by mixed power is the vehicle with two or more power sources, such as petrol power and electric vehicle.
Methods and apparatus of the present invention has additional features and advantages, and these characteristics and advantage are attached from be incorporated herein
Figure and detailed description of the invention subsequently will be apparent from, or by the accompanying drawing being incorporated herein and concrete reality subsequently
Executing in mode and state in detail, these the drawings and specific embodiments are provided commonly for explaining the certain principles of the present invention.
Accompanying drawing explanation
Now with reference to shown in accompanying drawing certain embodiments of the present invention describe in detail the present invention as above and other
Feature, accompanying drawing is the most given below, is therefore not limiting as the present invention, wherein:
Fig. 1 is that the measurement CO for vehicle according to the present invention is wherein installed in display2The panel of the exemplary means of concentration
Diagram；
Fig. 2 is from the measurement CO for vehicle shown in Fig. 1 of rear portion observation2The perspective view of the device of concentration；
Fig. 3 is from the measurement CO for vehicle shown in Fig. 1 of front portion observation2The perspective view of the device of concentration；
Fig. 4 is the measurement CO for vehicle shown in Fig. 12The sectional view of the device of concentration.
Detailed description of the invention
Specific reference will be made to now each embodiment of the present invention, show that these are real with in description below in the accompanying drawings
Execute the example of scheme.Although the present invention combines with exemplary and is described, it will be understood that this specification is also
It is not intended to limit the invention to those exemplary.On the contrary, it is contemplated that not only cover these exemplary enforcement
Scheme, and cover can be included within the spirit and scope of the present invention being defined by the appended claims various and replace
Change, revise, equivalents and other embodiment.
Fig. 1 is the measurement CO for vehicle that each embodiment according to the present invention is wherein installed in display2The dress of concentration
The diagram of the panel put, Fig. 2 is from the measurement CO for vehicle shown in Fig. 1 of rear portion observation2The perspective of the device of concentration
Figure, Fig. 3 is from the measurement CO for vehicle shown in Fig. 1 of front portion observation2The perspective view of the device of concentration, and Fig. 4 is Fig. 1 institute
The measurement CO for vehicle shown2The sectional view of the device of concentration.
The measurement CO for vehicle of each embodiment according to the present invention2The device of concentration includes wherein installing air
Indoor panel B and CO of the vehicle of entrance2Sensing unit 100, CO2Sensing unit 100 is arranged in the indoor panel B of vehicle,
Including Optical Transmit Unit 120 and light receiving unit 140, around Optical Transmit Unit 120 and light receiving unit 140 with the most anti-
Penetrate and move light, CO2Sensing unit 100 is introduced into the plane that the air of described entrance moves relative to light and is introduced vertically into.
As it is shown in figure 1, in each embodiment, the shell of the indoor panel of the indoor panel B display B pillar of vehicle
Body.That is, when by the measurement CO being used for vehicle of each embodiment according to the present invention2The device of concentration is installed on the B of vehicle
Time in post, for the measurement CO of vehicle2The device of concentration reflects and measures suction and the exhalation of the passenger of front stall and back seat, thus
Optimize measurement effect.
Additionally, the air intake equipment capping C of the indoor panel B of vehicle, and at shown capping internal equipment CO2Sensing is single
Unit 100.
Be it will be seen that to 4 by Fig. 2, CO2Sensing unit 100 is equipped with the reflectance coating 160 being installed in indoor panel B, bag
Include Optical Transmit Unit 120 and light receiving unit 140, and around Optical Transmit Unit 120 and light receiving unit 140 with in the plane
Reflection and mobile light, thus be introduced into plane that the air of entrance moves relative to light perpendicularly into.
That is, introduce B post panel B capping C air by perpendicularly into, with in the plane reflect and floating about
The infrared granule moved and CO2Particles collision so that CO2Concentration can record in light receiving unit 140.
As it has been described above, by making light path and introduced air perpendicular to one another, thus at closed area internal reflection light not
Air-out immediately, is derived from results needed.
Meanwhile, described CO2The plane that sensing unit 100 moves based on light introduces air from vehicle interior, and is arranged by air
Put to outside vehicle.That is, in the case of discharge, CO2Sensing unit 100 and contrary operation as described above so that air is no longer
It is introduced into the indoor of vehicle.
To this end, form CO2The reflectance coating 160 of sensing unit 100 is to have around Optical Transmit Unit 120 and light receiving unit
The polygonal shape of 140, and by repeatedly carrying out reflective operation, the light launched from Optical Transmit Unit 120 is inputted to light-receiving
Unit 140, and CO2Sensing unit 100 has housing, and the side of this housing forms reflectance coating 160.CO2Sensing unit 100 has
It is arranged on the Optical Transmit Unit 120 of its side and is arranged on the Optical Transmit Unit 140 of its opposite side, and having corresponding to being arranged on
The air introducing holes 180 of the air intake of its front portion.
Additionally, be formed separately the discharge orifice of discharge air, or, between the gap of shown parts, naturally discharge air.
But, even if in this case, it is still necessary to prevent from discharging air input indoor.
Additionally, the inside of the indoor panel B of vehicle is equipped with interrupt location 400, this interrupt location interrupts light and enters to air
Mouthful transmit with prevent from Optical Transmit Unit 120 launch light leak out to vehicle interior.
To this end, interrupt location 400 has section shape that wherein bool 420 overlaps abreast to transmit air also
Interrupt light.Additionally, the hook folder C10 that capping C equipment hooks by inserting entrance, interrupt location 400 indentation can be made to have sky
Between part 440, place in this space segment described hook folder C10.
Therefore, even can be by the measurement CO being used for vehicle of each embodiment according to the present invention2The device peace of concentration
It is loaded in the inner space of narrow post trimming, thus not overlapping with the layout with interrupt location 400, and described interrupt location 400 is inhaled
Enter air and light is not discharged into outside, and couple to protect inside it with capping C.
Meanwhile, according to the measurement CO for vehicle of each embodiment of the present invention2The device of concentration also includes shell
200, this shell 200 is arranged in indoor panel B, and has the air intake being connected to its side and be connected to its opposite side
Air outlet slit 220, wherein can be by described CO2Sensing unit 100 is installed in shell 200.Additionally, described shell 200 can be formed
Air outlet slit 220 is formed in the both sides relative to air intake respectively.
By as configured above, at the measurement CO for vehicle of each embodiment according to the present invention2The device of concentration
In, air is introduced by capping C, is introduced in introduction hole 180 and inputs to CO2Sensing unit 100.Additionally, air is by row
Gap discharge between discharge hole or parts.Finally, air passes through the discharge orifice 220 internal discharge from shell 200, the flowing of air
It is perpendicular to the flowing of light, and air is most possibly at CO2Sensing unit 100 inside drifts about and prevents light from discharging to outward simultaneously
Portion.Additionally, even can be by the measurement CO being used for vehicle of each embodiment according to the present invention2The device of concentration is firmly installed
In the inner space of narrow post trimming.
Explaining for convenience and accurately limit claims, term " front " or " afterwards " etc. are aobvious in reference to figure
The position of these features shown is to describe the feature of exemplary.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe
It is not wishing to the limit present invention, or limits the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching,
Can much change and change.The purpose selected exemplary and describe is to explain the spy of the present invention
Determine principle and actual application thereof, so that others skilled in the art are capable of and utilize the various differences of the present invention
Exemplary and various different selection and change.The scope of the present invention be intended to by appending claims and
Its equivalents is limited.
Claims (9)
1. the measurement CO for vehicle2The device of concentration, comprising:
Indoor panel including the vehicle of air intake；And
CO2Sensing unit, described CO2Sensing unit is arranged on indoor panel, including Optical Transmit Unit, light receiving unit with enclose
Around described Optical Transmit Unit and described light receiving unit to reflect the housing with direct light in the plane, described CO2Sensing unit
It is introduced into the plane that the air of described entrance moves relative to light to be introduced vertically into,
Wherein, the internal equipment interrupt location of the indoor panel of vehicle, described interrupt location interrupts light to described air intake
Transmit to prevent the light from described light emitting units emitting from leaking out to vehicle interior.
Measurement CO for vehicle the most according to claim 12The device of concentration, the plane wherein moved based on light is by sky
Gas introduces described CO from vehicle interior2Sensing unit, and air is emitted into outside vehicle.
Measurement CO for vehicle the most according to claim 12The device of concentration, wherein said CO2The reflection of sensing unit
Film is formed as having polygonal shape, and it will surround from the light of light emitting units emitting to light receiving unit, and by the most anti-
Penetrate and launch light and will guide to described light receiving unit from the light of described light emitting units emitting.
Measurement CO for vehicle the most according to claim 12The device of concentration, wherein said CO2Sensing unit has peace
It is contained in the Optical Transmit Unit of described housing side and is arranged on the light receiving unit of described housing opposite side, and having corresponding to peace
It is contained in the air introducing holes of the anterior air intake of described housing.
Measurement CO for vehicle the most according to claim 12The device of concentration, it also includes bool, described bool
Overlap abreast on the section of described interrupt location, in order to transmit air and to interrupt light.
Measurement CO for vehicle the most according to claim 12The device of concentration, the wherein air of the indoor panel of vehicle
Entrance equipment capping, the hook that described capping equipment hooks by inserting air intake presss from both sides, and makes described interrupt location indentation have
There is space segment (440), described space segment is placed described hook folder.
Measurement CO for vehicle the most according to claim 12The device of concentration, it also includes: shell, and this shell is installed
In indoor panel, and there is the air intake being connected to its side and the air outlet slit being connected to its opposite side, wherein by institute
State CO2Sensing unit is installed in described shell (200).
Measurement CO for vehicle the most according to claim 72The device of concentration, wherein forms described shell and makes air
Outlet is formed in the both sides relative to air intake respectively.
Measurement CO for vehicle the most according to claim 12The device of concentration, wherein the indoor panel of vehicle is vehicle B
The indoor panel of post.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110101151A KR101755712B1 (en) | 2011-10-05 | 2011-10-05 | Apparatus for measuring concentration of co2 for vehicle |
| KR10-2011-0101151 | 2011-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103033475A CN103033475A (en) | 2013-04-10 |
| CN103033475B true CN103033475B (en) | 2016-12-14 |
Family
ID=
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201037840Y (en) * | 2007-05-31 | 2008-03-19 | 拉尔夫·克林伯格 | Carbon dioxide monitoring instrument |
| CN101551326A (en) * | 2009-04-08 | 2009-10-07 | 中国计量学院 | Intelligent wireless vehicular embedded analytical equipment for automobile exhaust |
| CN101718770A (en) * | 2009-11-24 | 2010-06-02 | 深圳市赛纳威环境仪器有限公司 | Automobile air quality monitoring and purifying system |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201037840Y (en) * | 2007-05-31 | 2008-03-19 | 拉尔夫·克林伯格 | Carbon dioxide monitoring instrument |
| CN101551326A (en) * | 2009-04-08 | 2009-10-07 | 中国计量学院 | Intelligent wireless vehicular embedded analytical equipment for automobile exhaust |
| CN101718770A (en) * | 2009-11-24 | 2010-06-02 | 深圳市赛纳威环境仪器有限公司 | Automobile air quality monitoring and purifying system |
Non-Patent Citations (2)
| Title |
|---|
| Detection of carbon dioxide emissions from a diesel engine using a mid-infrared optical fibre based sensor;Jim Mulrooney,et.al;《Sensors and Actuators A》;20061214;第136卷;第104–110页 * |
| 汽车车内空气污染检测方法与控制;翁茂荣;《农机化研究》;20061031(第10期);第211-214页 * |
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