CN110217069A - Sensor device for motor vehicle and the motor vehicle with sensor device - Google Patents

Sensor device for motor vehicle and the motor vehicle with sensor device Download PDF

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Publication number
CN110217069A
CN110217069A CN201910155728.4A CN201910155728A CN110217069A CN 110217069 A CN110217069 A CN 110217069A CN 201910155728 A CN201910155728 A CN 201910155728A CN 110217069 A CN110217069 A CN 110217069A
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China
Prior art keywords
sensor
sensor device
motor vehicle
shell
optical sensor
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Granted
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CN201910155728.4A
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Chinese (zh)
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CN110217069B (en
Inventor
J.西蒙
D.斯特里克-谢弗
B.伯特施因格
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Valeo Schalter und Sensoren GmbH
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Valeo Schalter und Sensoren GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00792—Arrangement of detectors
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/14—Rainfall or precipitation gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G01N2021/354—Hygrometry of gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N2021/3595—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using FTIR
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/02—Mechanical
    • G01N2201/021—Special mounting in general
    • G01N2201/0216—Vehicle borne

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The sensor device (10) that the present invention relates to a kind of for motor vehicle, wherein, the sensor device (10) is arranged in the inner space of motor vehicle and has shell (12), wherein, rainfall sensor (20) are disposed in the shell (12), the rainfall sensor (20) is configured to identify the rainfall in the environmental field of motor vehicle, wherein, it there also is provided optical sensor (22) in the shell (12), optical sensor is designed to detect a variety of organic principles and a variety of inorganic constituents in the inner space of motor vehicle.The invention further relates to a kind of motor vehicles with the sensor device (10).

Description

Sensor device for motor vehicle and the motor vehicle with sensor device
Technical field
The present invention relates to a kind of sensor devices for motor vehicle.The invention further relates to a kind of motor vehicle, the motor vehicles With this sensor device.
Background technique
It is usually expected that examining the room air of motor vehicle.This for example indoors the air humidity of air as antifog Change slave side, or to other composition of air, such as is helpful for fine ash dirt aspect.
10 2,015 121 899 A1 of document DE describes a kind of sensor device for motor vehicle, sensor dress It sets in the inner space for being arranged in motor vehicle and there is external shell, wherein be disposed with rainfall sensing in the external shell Device, the rainfall sensor are configured to identify the rainfall in the environmental area of motor vehicle, wherein the sensor device is extraly Including fine ash dust sensor, which is configured to the fine ash determined in the inner space air of the inner space The concentration of dirt particle, and the fine ash dust sensor is arranged in the external shell.
10 2,013 019 305 A1 of document DE describes a kind of inner space for for vehicle and determines at least one use In the method for the control signal of control air-conditioning system.According to the state parameter of the inner space weather measured, at signal It manages function and calculates climate inside value from the measurement of interior space temperature and from the measurement of inner space humidity.Pass through signal processing Function survey calculation of the percentage of volatile organic compounds from internal environment illustrates the air quality value of air quality. It is calculated by least one signal process function from inner space weather value and air quality value and is believed for the control of air conditioner facility Number.Furthermore describe a kind of apparatus for carrying out this method and the vehicle with the device.
However this solution also shows improved space in terms of measuring the inner space weather for vehicle.
Summary of the invention
The technical problem to be solved by the present invention is at least partly overcome the shortcomings that being known from the state of the art.The present invention will solve Certainly the technical issues of, is especially to provide a solution, realizes vehicle by the solution in simple and efficient mode Inner space weather inspection.
Above-mentioned technical problem according to the present invention is solved by the sensor device of the feature with claim 1.It is above-mentioned Technical problem is also solved by the motor vehicle of the feature with claim 10 according to the present invention.Currently preferred design side Case illustrates in dependent claims, specification or attached drawing, wherein when composition contradiction unobvious from context, in subordinate Claim, specification, other features for illustrating and showing in attached drawing can present of the invention individually or in any combination Content.
According to it is proposed that a kind of sensor device for motor vehicle, wherein sensor device arrangement is in motor vehicle Inner space in and have shell, wherein be disposed with rainfall sensor in the housing, rainfall sensor is configured to identify Rainfall in the environmental field of motor vehicle, wherein there also is provided optical sensor in the housing, optical sensor is designed to use In qualitatively and when necessary quantitatively detecting a variety of organic principles and a variety of inorganic constituents in the inner space of motor vehicle.
This sensor device realizes the monitoring of the inner space air of motor vehicle in a manner of special energy adjustment adaptation, and And in the peripheral equipment and/or function element that this successfully can be integrated into motor vehicle.
Therefore described is a kind of sensor device, which is defined as being mounted in motor vehicle.Especially Its ground, the sensor device can be arranged in the inner space of motor vehicle or be arranged in the inner space of motor vehicle, be used for It measures the air of the inner space of motor vehicle and measures external environment in terms of rainfall.Here, the position base of sensor device It is that optionally, as long as functional given, this is very clear for technical staff on this.
Sensor device has shell, wherein is disposed with rainfall sensor in the housing, rainfall sensor is configured to know Rainfall not in the environmental field of motor vehicle.Correspondingly, sensor device or shell are especially positioned in this wise, i.e. rainfall Sensor can check the environmental field of motor vehicle in terms of raindrop.
The type of rainfall sensor is substantially unlimited.According to the present invention substantially can be used it is all, particularly with Rainfall sensor known to use in motor vehicle.This sensor device is substantially known and can be known The driver of mode auxiliary machine motor-car, such as by the unlatching of wiper and shut down.
It further provides that, optical sensor there also is provided in the housing for sensor device described herein, the optical sensing Device is designed to qualitatively and preferably also quantitatively detect a variety of organic principles in the inner space of motor vehicle and more Kind inorganic constituents.Therefore optical sensor is set in the shell for being wherein also provided with rainfall sensor as other sensing Device, the other sensor can detect in the inner space of vehicle and herein especially in the driver cabin of vehicle at Point.The other sensor is optical sensor, with this it is achieved that the other sensor is not directed to detection determination Substance classes and determine, but can more detect the large-scale combination for the substance being likely to be in the inner space of vehicle.
Therefore, it is empty in the inside of motor vehicle to be particularly designed for use in detection for the optical sensor of sensor device described herein Between in a variety of inorganic constituents and a variety of organic principles.In particular, optical sensor includes optical in a way known Emission source and detector.
This can be realized by the calibration known per se of optical sensor in a pre-installation.Herein, it is particularly possible to which research passes Sensor is to the substance to be detected amount to substance to be detected and when necessary relative to other to be detected when necessary in other words The reaction of the interference of substance, and be stored in controller system and/or memory.It may then pass through the survey of optical sensor Amount result infers the substance in the air of the inner space in motor vehicle in a simple manner and further preferably infers substance Amount.With the air quality of this inner space that can check motor vehicle, this carrys out the technical staff of substantially sensor field Say it is known.
It is substantially carried out with this, executes corresponding movement as the response to the substance detected.Such as it is feasible It is to pass through internal volume Carbon Dioxide in Air (CO2) the either share of carbon monoxide (CO) or even oxygen (O2) It detects and is inferred, " extent of deterioration " of the air after prolonged breath cycle manipulates ventilation device for example to pass through It either opens the window or sliding top skylight will be in the inner space of fresh air conveying to vehicle.In addition, for example in air quality Ventilation is shut down or reduced in enough situations, and window and/or sliding top skylight can be closed again.It is nonetheless contemplated that In addition movement, these movements can according to the presence of the determination compound in internal space empty gas, be not present and/or measure quilt Control.Such as the warning instruction suggested with rest can be exported in internal space empty gas bad luck.
Herein it is particularly advantageous that controller unit, which is designed so that, cyclically measures inside with optical sensor Space air.In other words it can be stated that sensor measure at definite intervals the air of the inner space of vehicle and Obtained data are assessed, to detect determining substance with this.This can guarantee the lasting high-quality of inner space air simultaneously And high comfort and safer traveling is facilitated with this.
Therefore it is according to the advantages of above content, such as the controller unit connecting with optical sensor and vehicle is peripheral Equipment connects in this wise, i.e., corresponding movement can be performed.It is therefore advantageous that the air conditioner facility of controller unit and vehicle connects It connects.It is also advantageous that the electrically operated of the controller unit connecting with optical sensor and window and/or sliding top skylight is filled Set connection.Therefore substantially advantageously, the function control for the controller unit and motor vehicle functionally connecting with sensor Device connection, wherein the function control device can be air conditioner facility, window and/or sliding top skylight as described above and open dress Set etc..
Therefore it is accomplished that by the sensor device, is capable of measuring many kinds of substance by the way that optical sensor is arranged, this permission Comprehensive observation is obtained to the air quality in the inner space of vehicle.Here, (hereafter particularly by setting optical sensor In be also described in detail) it is possible that type that is a small amount of or determining not only is measured, but on the contrary, in terms of substance to be detected Realize biggish freedom degree.
In addition, optical sensor can particularly simply and be compactly integrated in the existing peripheral equipment of motor vehicle. It especially can smoothly be accomplished that, optical sensor constructs in common sensor unit together with rainfall sensor.Made with this It is unnecessary for obtaining the function element reequiping vehicle peripheral equipment bothersomely and/or being in vehicle, on the contrary, outside existing The shell of peripheral equipment, such as rainfall sensor can adjust in a simple manner for accommodating optical sensor.
In order to detect the substance of quantity as big as possible particularly advantageously, optical sensor is designed to infrared sensor (IR sensor).It can utilize in an efficient way in this design scheme, most of molecule absorption infra-red radiation (IR Light) and therefore should be able to detect and/or measure by being designed as the sensor of IR sensor.In terms of detecting performance particularly preferably , detector can be with the Radiation work of wavelength in the range of from >=1000nm up to≤3000nm.
Example for the substance of the optical sensor detection advantageous by sensor device described herein includes for example Inorganic for example gaseous substance, Ru Shui (H2O)；Carbon dioxide (CO2)；Carbon monoxide (CO)；Nitrogen oxides, such as nitric oxide (NO), nitrogen dioxide (NO2), nitrous oxide (N2O)；Ammonia (NH3)；Sulfur dioxide (SO2)；Hydrogen chloride (HCI) or hydrogen fluoride (HF)。
Other examples of substance for the optical sensor detection advantageous by sensor device described herein include Such as organic, for example volatile compound, such as hydrocarbon, alcohol, aldehyde, ketone or freon.
In other words therefore it can be stated that optical sensor is designed to, qualitatively and when necessary quantitatively detect to Few following gases: inorganic matter, such as water (H2O)；Carbon dioxide (CO2)；Carbon monoxide (CO)；Nitrogen oxides, such as nitric oxide (NO), nitrogen dioxide (NO2), nitrous oxide (N2O)；Ammonia (NH3)；Sulfur dioxide (SO2)；Hydrogen chloride (HCI) or hydrogen fluoride (HF)；Perhaps organically, such as volatile compound such as hydrocarbon, alcohol, aldehyde, ketone or freon.
In particular, the detection of these substances may be implemented to see the quite extensive of the quality of the inner space air of vehicle It examines, a variety of deteriorations being likely to occur for making it possible to internal volume air quality give a response.It therefore, can be especially with this side Formula is that the driver of vehicle realizes extra high comfort level and with the high security of this operation for realizing vehicle.
Particularly preferably it can be stated that optical sensor is configured to FTIR spectrum instrument, or especially as detector packet Include this FTIR spectrum instrument.In particular, when optical sensor is configured to Fourier transform infrared line spectrum analyzer (FTIR- light Spectrometer) when, it is advantageous in terms of the inner space air of monitoring motor vehicle.
For example, for infrared sensor, for example for FTIR- spectrometer, it is specially suitable for the sensor device It is this equipment with the detectivity in the radiation scope or wave-length coverage from >=1000nm up to≤3000nm.
Relative to FTIR- spectrometer in a simple manner it is possible that the spectrum being recorded compared with reference spectra, with Just it can infer that the substance of aerial determination and/or the amount of substance, the reference spectra are stored in such as sensor dress with this In the memory for the controller unit set.Then can prepare as described above and start to act accordingly, for example, starting or It shuts down fresh air input unit or promotes the window perhaps opening of sliding top skylight or even output warning instruction.
The typical construction of FTIR- spectrometer is known per se.Multiple mirrors are provided with particularly for this spectrometer Son, multiple mirrors are disposed such, i.e., multiple mirrors can for example constitute Michelson's interferometer.It is accomplished that with this, reaches and visit The IR ray for surveying device is divided into two independent rays by beam splitter.One in two independent rays can be diverted into it is fixed It on mirror and is reflected, another in two independent rays can be diverted on movable mirror.Then the two lists Only ray is caught again so that two independent rays be displaced according to the frequency for including in light or ray and according to mirror and Interference.In this way can in two mirrors position equally remote from beam splitter and that therefore all frequencies have been interfered superimposedly The place of setting obtains the interference pattern with maximum value.The interference pattern then can be in a way known by Fourier transformation to frequently Spectrum conversion, the frequency spectrum can be evaluated as described above.
The advantages of FTIR spectrum instrument, in particular, in that compact application, be integrated in vehicle peripheral equipment, fastly well Fast measurement and the biggish freedom degree for substance to be detected.
Further preferably it can be stated that shell has for accommodating the first shell protrusion of optical radiation source and being used for Accommodate the second shell protrusion of detector, wherein first shell protrusion and second shell protrusion arranged in this wise, i.e., The ray issued by radiographic source can be detected by detector, and wherein, in first shell protrusion and second shell protrusion Between be configured with measurement space, the air of the inner space of motor vehicle collects in the measurement space.It can in this design scheme With by it is particularly simple and smoothly implement combined with preferable measurement result.
Because shell does not need to be changed inside it, but included by the way that housing ledges are arranged bothersomely Functionality can retain with not being changed substantially.By housing ledges, shell can only be in structure in place Extend in the case where at protrusion, makes it possible to provide any space for the arrangement of optical sensor.Here, the two shells are convex Portion is for example configured to the arm oriented in parallel out, and one of arm has radiographic source, particularly for emitting IR ray, another Arm has detector, such as is configured to the detector of FTIR spectrum instrument.In the cloth for being relatively arranged transmitting unit and detector It sets in mode, detector can detect IR ray.Because of construction measurement space between housing ledges or between arm, So the gas volume in inner space can be detected effectively and reliably.Because of the feelings in this measurement space Gas exchanges can be carried out under condition in an efficient way, allow to constantly measure in the case where the air circulation needed for not Current air quality.
It is furthermore preferred that optical sensor is located in the inflow zone of the ventilation mouths of motor vehicle ventilation unit.Herein Especially quickly and to effectively can respond or detect in design scheme the influence that changes in terms of internal space empty gas quality because Element.Because the air flowed into inner space can be directly detected by the sensors.For example, advantageous position is kept off in other words in front window At wind glass, such as at rearview mirror.Especially in this design scheme, the air to become a mandarin can reach well optical sensor simultaneously And the function of rainfall sensor can also be efficiently implemented.
As long as being provided with above-mentioned housing ledges in this design scheme, advantageous to be exactly, housing ledges are keeping out the wind Extend on glass and downwardly directed, so that being arrived first on the measurement space between protrusion from the air that ventilation mouths flow into And/or it is interior.This can be presented with positive influence to effective and accurate measurement again.
It is furthermore preferred that optical sensor and rainfall sensor are arranged on the common circuit board of sensor device. By the way that optical sensor and rainfall sensor to be arranged on common circuit board, sensor device can significantly more compactly Construction, allows the adjustment demand to shell to keep very little.Optical sensor and rainfall sensor can for example be arranged herein On the same side of circuit board, but it can also be arranged on the opposed side of circuit board.Here, circuit board for example may be used To construct deviously.So-called chip on board mounting technique (chip-on-board-Technologie can be used for example thus (COB)), the technology realize sensor can be smaller, more flexible and more efficient.
In addition, with special design scheme independently advantageously, the surface of the work of sensor or detector passes through Film layer encapsulation.Shell can be saved with this, this reduce the spaces of needs.In addition, with this it is achieved that detector Chip can be bonded directly on printed circuit board.
It is furthermore preferred that sensor device further includes sunshine sensing unit, optical sensor and humidity sensor, such as band There is at least one of the humidity sensor of preventing atomization unit.The environment model in motor vehicle can be for example determined by optical sensor Brightness in enclosing.It for example can star the dipped headlight of motor vehicle according to optical sensor.This for example can be bright in environmental field Degree carries out in the case where being less than brightness boundaries values, such as is driving into tunnel or at dark.By humidity sensor and possible Preventing atomization unit can be to avoid hazing on automobile glass.Preventing atomization unit and/or humidity sensor can be based on capacitor herein Work.Therefore, preventing atomization unit may include plate condenser, and capacitor is according to the air humidity in the inner space of motor vehicle Changed by using the dielectric to humidity sensitive.Sunshine sensing unit is for example configured to identification sunshine and/or the sun Position.Sensing has been continued to lift up by optical sensor and/or humidity unit and/or preventing atomization unit and/or sunshine sensing unit The functionality of device equipment improves the safety and comfort level of motor vehicle user with this again.
For sensor device other advantages and features referring to for being said shown in the description of motor vehicle, attached drawing with attached drawing It is bright, similarly, the other advantages and features of motor vehicle can also refer to say shown in description for sensor device, attached drawing with attached drawing It is bright.
Another aspect of the present invention further relates to the motor vehicle with sensor device, wherein sensor device, which has, to be had The shell of rainfall sensor, wherein sensor device is designed as detailed above such.
The motor vehicle designed as described above ground is especially realized by the presence of the sensor device of above-detailed It is safer and more effectively detect a variety of substances that will appear in the crew module of vehicle.
In addition, vehicle does not need bothersome repacking, because the optical sensor of sensor device can collect in a simple manner At in the shell to the rainfall sensor of sensor device, such as at windshield on rearview mirror.
To the other advantages and features of motor vehicle referring to for sensor device description explanation, say with attached drawing shown in attached drawing It is bright, and vice versa.
Detailed description of the invention
Other advantages and expedients scheme of content according to the invention are shown and in the following description by attached drawing It illustrates.Herein it should be noted that attached drawing only has the characteristics that illustrative and is not considered as being constituted in any form to limit of the invention System.In attached drawing
Fig. 1 shows the schematic diagram of the design scheme of sensor device according to the invention；
Fig. 2 shows the work of the design scheme of the detector of the optical sensor for the sensor device according to Fig. 1 originals Manage schematic diagram.
Specific embodiment
Fig. 1 shows the design scheme of sensor device 10 according to the invention.Sensor device 10 is particularly for motor-driven In vehicle using and be preferably placed in the inner space of motor vehicle in itself, such as at the windshield of motor vehicle.Such as It is provided at the position, sensor device 10 is located in the inflow zone of the ventilation mouths of motor vehicle ventilation unit.
Sensor device 10 includes shell 12.Shell 12 can have matrix 14.It can specify that first shell on matrix 14 Body region 16, first shell region 16 are configured to terminals.Furthermore it can specify that second shell region 18, in second shell region Rainfall sensor 20 is disposed in 18, rainfall sensor 20 is configured to identify the rainfall in the environmental field of motor vehicle.For This is advantageously, as described above, sensor device 10 or the arrangement of shell 12 are on the windshield.
It further provides that, especially set in second shell region 18 in other words in shell 12 in design scheme shown in Fig. 1 Set optical sensor 22.
Optical sensor 22 is especially configured to IR sensor herein, is especially configured to FTIR spectrum instrument.Optical sensor 22 Itself there is radiographic source 24, radiographic source 24 is configured to transmitting IR ray.Unrelated with each design scheme, radiographic source for example may be used To be designed as LED.This is externally provided with detector 26, and detector 26 can detect IR ray and can substantially be designed as photodetection Device.By the way that substance to be detected, partially absorbing IR ray is placed in the air chamber between detector 26 and radiographic source 24, Detector 26 can qualitatively and preferably or the quantitatively presence of indicator substance.
In particular, the regulation of optical sensor 22 is used for and is designed for detecting a variety of in the inner space of motor vehicle Organic principle and a variety of inorganic constituents.In particular it is preferred that optical sensor 22 is designed to, it is qualitatively and quantitative when necessary Ground detects at least following gases: inorganic matter, such as water (H2O)；Carbon dioxide (CO2)；Carbon monoxide (CO)；Nitrogen oxides, such as one Nitrogen oxide (NO), nitrogen dioxide (NO2), nitrous oxide (N2O)；Ammonia (NH3)；Sulfur dioxide (SO2)；Hydrogen chloride (HCI) or Hydrogen fluoride (HF), perhaps organically, such as volatile compound such as hydrocarbon, alcohol, aldehyde, ketone or freon.Especially It can indicate multiple compounds by detecting these substances, this can particularly effectively design the function of optical sensor 22.
As shown in Figure 1 preferably in addition, shell 12 has the first shell protrusion 28 for accommodating optical radiation source 24 With the second shell protrusion 30 for accommodating detector 26, wherein first shell protrusion 28 and second shell protrusion 30 It is arranged in this wise, i.e., the ray issued by radiographic source 24 can be detected by detector 26.In addition, in first shell protrusion 28 Measurement space 32 is disposed between second shell protrusion 30, the air of the inner space of motor vehicle gathers in measurement space 32 Collection.Therefore, the substance in measurement space 32 is detectable.
In addition, in order to provide sensor measuring abundant advantageously, sensor device 10 also has sunshine sensing unit, light At least one of sensor and humidity sensor.These other sensors for example can be set in shell 12 or shell On 12.
It is furthermore preferred that optical sensor 22 and rainfall sensor 20 are arranged in terms of the arrangement of optical sensor 22 On the common circuit board of sensor device 10.
For be designed as FTIR spectrum instrument optical sensor 22 principle refering to attached drawing 2, attached drawing 2 illustrates this optics The structure and function of sensor 22.
The IR ray 34 issued by radiographic source 24 reaches the optical splitter in other words of beam splitter 36 after transmission measurement space 32, Optical splitter is designed as semipermeable mirror to beam splitter 36 in other words, and IR ray 34 is divided into penetrating for two same intensity Line.A part of ray reaches not movable mirror 38, and another part reaches movable mirror 40.These rays are in mirror 38, it is reflected on 40 again, reach beam splitter 36 and reaches detector 26 from beam splitter 36, detector 26, which serves data to, to be commented Estimate unit 42, assessment unit 42 can be a part of controller unit.If two mirrors 38,40 are relative between beam splitter 36 Away from equally big, then two rays are farthest strengthened, and constructive interference occurs.If movable mirror 40 is moved along directions of rays It is dynamic, then optical path difference is generated between two rays, causes destructive interference.As the mobile λ/4 of mirror, realization is smeared to the greatest extent Disappear, wherein λ is consistent with the wavelength of the ray of arrival, wherein λ/4 are therefore just consistent with the progressive error of λ/2, because ray is twice By the distance from movable mirror 40 to beam splitter 36.It is carried out with mirror speed to the motion continuation of mirror 40, mirror speed Degree is in terms of mm/s.Detector 26 records the ray differently interfered according to optical progressive error.The interference pattern of formation is in time domain In, and be transformed into frequency domain by Fourier transformation and frequency spectrum or spectrum are converted to this.It can be with the frequency spectrum of storage It compares, correspondingly to infer the amount of substance and substance in air chamber.
In order to which the data measured are efficiently used, it is also advantageous that, the control functionally being connect with optical sensor 22 The function control device of device unit and motor vehicle processed connects.It can for example be opend the window or be influenced logical according to measurement result with this Wind control device.
Reference signs list
10 sensor devices
12 shells
14 matrixes
16 shell areas
18 shell areas
20 rainfall sensors
22 optical sensors
24 radiographic sources
26 detectors
28 housing ledges
30 housing ledges
32 measurement spaces
34 IR (infrared) ray
36 beam splitters
38 immotile mirrors
40 active mirrors
42 assessment units

Claims (10)

1. a kind of sensor device for motor vehicle, wherein the inside that the sensor device (10) is arranged in motor vehicle is empty Between in and have shell (12), wherein rainfall sensor (20), the rainfall sensor are disposed in the shell (12) (20) it is configured to identify the rainfall in the environmental field of motor vehicle, which is characterized in that also arrange in the shell (12) Have optical sensor (22), the optical sensor is designed to quantitatively detect in motor vehicle qualitatively and when necessary A variety of organic principles and a variety of inorganic constituents in portion space.
2. sensor device described in accordance with the claim 1, which is characterized in that the optical sensor (22) is designed as IR sensing Device.
3. sensor device according to claim 2, which is characterized in that the optical sensor (22) is designed as FTIR light Spectrometer.
4. according to sensor device described in one of claims 1 to 3, which is characterized in that the optical sensor (22) is set It is calculated as, qualitatively and when necessary quantitatively detects at least following substances: inorganic matter, such as water；Carbon dioxide；Carbon monoxide； Nitrogen oxides, such as nitric oxide, nitrogen dioxide, nitrous oxide；Ammonia；Sulfur dioxide；Hydrogen chloride or hydrogen fluoride；Or it is organic , such as volatile materials, such as hydrocarbon, alcohol, aldehyde, ketone or freon.
5. according to sensor device described in one of Claims 1-4, which is characterized in that the shell (12) has for holding Receive optical radiation source (24) first shell protrusion (28) and second shell protrusion (30) for accommodating detector (26), Wherein, the first shell protrusion (28) and second shell protrusion (30) are arranged in this wise, that is, pass through the detector (26) ray issued by the radiographic source (24) can be detected, and wherein, in the first shell protrusion (28) and second It is provided with measurement space (32) between housing ledges (30), collects the sky for having the inner space of motor vehicle in the measurement space Gas.
6. according to sensor device described in one of claim 1 to 5, which is characterized in that optical sensor (22) positioning In the inflow zone of the ventilation mouths of motor vehicle ventilation unit.
7. according to sensor device described in one of claim 1 to 6, which is characterized in that the optical sensor (22) and drop Rain sensor (20) is arranged on the common circuit board of the sensor device (10).
8. according to sensor device described in one of claim 1 to 7, which is characterized in that the sensor device (10) also has There are at least one of sunshine sensing unit, optical sensor and humidity sensor.
9. according to sensor device described in one of claim 1 to 8, which is characterized in that exist with the optical sensor (22) The controller unit functionally connected is connect with the function control device of the motor vehicle.
10. the motor vehicle that one kind has sensor device (10), wherein the sensor device (10) has to be sensed with rainfall The shell (12) of device (20), which is characterized in that the sensor device (10) is according to biography described in one of claim 1 to 9 Sensor arrangement.
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