CN205910162U - Air quality monitoring equipment - Google Patents

Air quality monitoring equipment Download PDF

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Publication number
CN205910162U
CN205910162U CN201620313325.XU CN201620313325U CN205910162U CN 205910162 U CN205910162 U CN 205910162U CN 201620313325 U CN201620313325 U CN 201620313325U CN 205910162 U CN205910162 U CN 205910162U
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China
Prior art keywords
sensor
air
quality monitoring
air quality
monitoring equipment
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CN201620313325.XU
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Inventor
G·S·亨肖
S·J·班纳特
A·贝尔甘特
J·P·特纳
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ELCO Ltd
Aeroqual Ltd
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ELCO Ltd
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Abstract

The utility model provides a compact air quality monitoring equipment, its shell that includes closed one or more sensor, the one or more sensor is including being arranged in the sensing to come from one or more air contaminant's of real -time sampling air chemical sensor and at least one of particle sensor, and a control unit, the control unit be used for with temperature control in the shell is to booking the roughly value of invariant under the settlement volume more than the dew point temperature.

Description

Air quality monitoring equipment
Technical field
This utility model is related to a kind of equipment for monitoring air quality.
Background technology
Increasingly increase with the concern with regard to air pollution and its to human health and the impact of happiness for the public, develop Various air mass monitors come to detect and monitor in the air noxious pollutant level.Air quality monitoring on market Device species is various, has the hand-held device for portable type measuring extremely to construct in specified target position for more complicated detection Extensive air quality monitoring station or monitoring point etc. multiple.
However, such as other detection means many, the challenge that current techniques are faced is to provide to cover on a large scale The accurate detection of analyte and will not reduce again user friendly be such as easily installed and use and low-maintenance cost possibility.
Utility modelPurpose
A purpose of the present utility model is to provide a kind of compact air quality monitoring equipment.
Another purpose of the present utility model is to be mitigated or eliminated to a certain extent and known air mass monitor Related one or more problems.
Those skilled in the art will be set forth in the description which follows acquisition other purposes of the present utility model.Therefore, above-mentioned with regard to purpose Statement and non-exclusive and be merely to illustrate of the present utility model many purpose in some.
Utility model content
In general, this utility model provides a kind of compact air quality monitoring equipment, and it is used for generally acknowledged to meet The accuracy of the air quality indexes of international standard such as World Health Organization (WHO) (who) comes real-time monitoring, detection and/or measurement air In common contaminant.Specifically, described equipment includes modular sensor, and described modular sensor contributes to user's root Customize the application of described equipment according to demand.Additionally, being compact on described device structure, this makes the new of described monitoring device Position, such as but not limited to, waasteyard, airport, railway station, construction site, commercial office, school, hospital, height may be monitored Fast near Highway, and for domestic or or even be used for being attached to vehicle.It is relatively light (generally overall in described weight of equipment Weight is less than about 50kg) and there is simple modular construction, described modular construction can easily assemble and in example As relatively quickly installed in less than 30 minutes.Additionally, described equipment can be relatively compared with traditional air quality monitoring station Operate under low power consumption and therefore can be easily connected to available power supply or equivalent current supply.
In a main aspect, this utility model provides a kind of compact air quality monitoring equipment.Described equipment includes Close the shell of one or more sensors, one or more of sensors include the air for sensing from real-time sampling One or more of at least one of the chemical sensor of air pollutants and particle sensor.There is provided control unit to incite somebody to action The value of constant extremely under set amount more than predetermined dew-point temperature for the temperature control of inside the shell.
This utility model content part not necessarily discloses and limits all features necessary to this utility model;This utility model May be present in the sub-portfolio of disclosed feature.
Brief description
Foregoing and other feature of the present utility model will be it will be apparent that described from the following description of preferred embodiment Embodiment is only used as citing and combines accompanying drawing offer, in the drawing:
Fig. 1 is the block diagram illustrating an embodiment according to air quality monitoring equipment of the present utility model.
Specific embodiment
It is described below being only used as citing description preferred embodiment, and will not be musted to for implementing this utility model The combination of the feature wanted is limited.
Refer to that " embodiment " or " embodiment " of non-complex form means to close with described embodiment in this manual The concrete feature of connection description, structure or feature are included at least one embodiment of the present utility model.In this manual Each place occur phrase " in one embodiment " unnecessary all referring to same embodiment, also need not refer to and other be real Apply the mutually exclusive independent or alternate embodiment of example.Additionally, describing various features, these features can be shown by some embodiments And do not shown by other embodiment.Similarly, describe various requirement, these requirements can be some embodiments requirement and It is not the requirement of other embodiment.
With reference to Fig. 1, it illustrates the block diagram of an embodiment of air quality monitoring equipment 10 of the present utility model. Equipment 10 includes the shell 20 closing one or more sensors, and one or more of sensors are included for sensing from real When at least one of the chemical sensor 30 of one or more air pollutants of air sampled and particle sensor 40.If Standby 10 also include control unit 50, and it is used for the temperature control in shell 20 to the set amount more than predetermined dew-point temperature The value of constant.The internal temperature of constant maintaining more than dew point temperature at shell 20 is for realizing chemical sensitisation It is important for the optimum operation condition of other any temperature-sensitive components of device 30 and particle sensor 40 and equipment 10.
Chemical sensor 30 may include any of chemical sensor being applied to detection air pollutants, for example but not It is limited to electrochemical sensor, infrared sensor, optical-electronic from least one of sensor, metal oxide semiconductor sensor. Specifically, chemical sensor 30 is adapted to detect for and measures the common contaminant of in the air, such as but not limited to ozone (o3), two Nitrogen oxide (no2), nitrogen oxides (nox), carbon monoxide (co), sulfur dioxide (so2), hydrogen sulfide (h2S), carbon dioxide (co2) And/or other VOCs (voc) such as benzene and toluene of in the air.In one embodiment, equipment 10 may include One or more of following chemical sensor, wherein described below is corresponding analyte and testing mechanism:
so2/h2Sulfur dioxide (so of s (air-sensitive electrochemistry (gse)) sensor sample in the air2) and hydrogen sulfide (h2s) Can enter by using having the gse sensor of the electrode of the nanocatalyst coating of electrochemical cell and offer high detection sensitivity Row detection.so2And/or h2S also can pass through at proprietary signal in the minimum possible test limit in the range of e.g., from about 1 to 10ppb Reason, add zero circulation scrubber and shell 20 is maintained steady temperature get off realization.
o3(gas sensory (gss)) sensor-o3Sensor includes tungsten oxide (wo3), when in e.g., from about 400 to 600 models When operating under the high temperature in enclosing, described tungsten oxide is to o3Sensitive.Described sensor is made to stand periodicity zero delivery condition and temperature Degree circulation, this compensates sensor drift and eliminates other pollutant being derived from sampled air (as no2And voc) interference.
no2(gss) sensor-no2Sensor is similar to o3Gss sensor, but have for no2Detection design specific Microstructure.Also provide hot scrubber in the sensor to remove the effect of environment ozone;And zero circulation to compensate biography Sensor drift and the interference effect of the humidity in sampled air and voc.
nox(gss) sensor-nox sensor is similar to no2Gss sensor, but there is integrated no to no2The platinum of heating Converter.
Voc (optical-electronic is from detection (pid)) sensor voc sensor includes long-life 10.6ev depth uv lamp, and voc is divided by it Solution becomes cation and anion.Described sensor subsequently measures the electric current of ionized gas, and it becomes ratio with detectable voc content Example.Voc sensor is sensitive to broad range of voc (such as benzene and toluene).
Particle sensor 40 may include any of biography of the microgranule being applied to detection, measurement and/or counting in the air Sensor.Particle sensor 40 may include the grain count of the granularity Detection device for detecting granularity and the number for particle count One or more of device.Described granule may include dust and/or other particle matters of in the air, such as but not limited to always hangs Floating particles (tsp), pm10, pm2.5 and pm1 (are respectively provided with the Median Aerodynamic Diameter of 10 μm, 2.5 μm and 1 μm Particle matter).For example, in one embodiment, particle sensor 40 may include scopometer module, and described scopometer module utilizes Scattered light (as laser) measures providing the continuous mass of granule present in sampled air.Particle sensor 40 may also include point Parser module, described analyzer module utilizes particle collector to be counted according to different grain size and sort granule.Then can pass through Described counting is changed into pm10, pm2.5, pm1 and tsp mass fraction by programmed algorithm.
Although describing chemical sensor 30 and the specific embodiment of particle sensor 40, this area in this manual Technical staff will be appreciated by this utility model and should not necessarily be limited by the sensor embodying.Pollution be applied to detection air sample Any sensor of the presence of thing also should be covered by this utility model, as long as they are considered suitable by those skilled in the art And it is rational.
Presently describe the miscellaneous part of equipment 10:
As shown in FIG. 1, equipment 10 includes the air intake for the ambient air sampled air from target location 32, and subsequently, guide sampled air to flow into one or more chemical sensors by one or more connecting pipes or pipe 34 30.In one embodiment, entrance 32 may include inertia fluoropolymer and glass gas handling system, and it has 5 μm of politef (ptfe) filter so that the interaction between analyte and entrance material minimize and realize reliable gas sampling with Minimum analyte loss.Equipment 10 may also include the one or more connecting tubes for connecting sampling pump 38 and chemical sensor 30 Road or pipe 36.When activated, pump 38 produce negative pressure, described negative pressure persistently suck via entrance 32, via pipe 34 surrounding air and Subsequently these air pass through sensing system 30 for real-time, lasting air performance rating.
Similarly, equipment 10 may also include air intake 42 for the surrounding air and guide sampled air direction of sampling One or more particle sensors 40.In one embodiment, entrance 42 can be equipped with Cyclone Particle separator, described whirlwind Grain separator is used for separating or select the targeted particle size part of the granule from sampled air.
Preferably, one or more chemical sensors 30 and particle sensor 40 are suitable for modularly being arranged in shell 20 In.This realize by user as needed easily add, remove and/or more emat sensor in terms of be beneficial.
As shown in FIG. 1, temperature control unit 50 may include for reduce internal temperature chiller 52, for rise The heater 54 of high internal temperature and the adiabatic apparatus 56 for reducing the heat exchange between the inside of shell 20 and outside At least one of.Preferably, chiller 52 may include the cooling unit (as refrigeration compressor) for cooling down and is used for Make the air circulation device (as fan) of the air circulation flow in shell 20.It is highly preferred that this fan can be located at outward The low portion of shell 20 and be configured to guide the tangential fan that flows up of air-flow in shell 20.This contributes to making shell 20 The accumulation of interior temperature focus minimizes, and by it, the placement in shell 20 is not affected to make the performance of sensor 30,40. Control unit 50 may also include control module 58, and described control module includes the microcontroller for controlling and sensing internal temperature One or more of with temperature sensor;And for controlling the current collector output of chiller 52 and heater 54, with The internal temperature making shell 20 can be maintained to the value of the constant under set amount more than maximum dew point temperature.
In one embodiment, described set amount is higher than preferably predetermined at least 2 DEG C of dew point temperature of maximum, wherein maximum Dew point is that the climate history record based on specific objective point or region determines, or it can based on the external temperature being detected and Relative humidity automatically calculates.Preferably, maximum dew point temperature can be based at the beginning of weather history record when installing equipment 10 first Determine with beginning, and and then to be periodically checked by mating it with the automatic value calculating.If actual dew point temperature quilt Be defined as higher than default maximum dew point temperature, then inner setting temperature subsequently can be manually adjusted by user or via monitoring of software from Adjust dynamicly.In a specific embodiment, in about 33 DEG C of maximum dew point temperature, the optimal internal temperature of shell 20 is excellent Selection of land is maintained between 35 DEG C to 40 DEG C, and preferably has less than the deviation of ± 5 DEG C and more preferably ± 0.4 DEG C.Most preferably internal Temperature is sensitive for other temperature of the possible water condensation destroying sensor 30,40 avoiding in shell 20 and offer equipment 10 It is crucial for the optimum operation condition of part.
Optionally, equipment 10 may also include modular calibration system 80, and described calibration system can be with any traditional scene Calibration system uses parallel.Modular calibration system 80 allows user's remote calibration chemical sensor 30 and particle sensor 40.
Preferably, shell 20 is weather-proof enclosure.In a specific embodiment, shell 20 include being coated with solar energy anti- Penetrate the aluminum enclosure of layer so that the sensor 30,40 being closed is isolated with ambient weather effect, so that it is guaranteed that the sensor being closed 30th, 40 optimum performance and durability.Specifically, adiabatic apparatus 56 can be configured to the friendship including the inner periphery in shell 20 Connection polyethylene (pe) inner liner is to provide the further thermal insulation to shell 20.
Optionally, equipment 10 may include for detecting the one or more auxiliary of at least one of following external condition parameter Help detector: ambient temperature at the position of place apparatus 10, atmospheric pressure, relative humidity, radiation, environment noise, wind speed with And wind direction.
Preferably, equipment 10 may include computer system 60, and described computer system has the storage for data storage Device and the processor for executing computer-readable instruction.It is highly preferred that equipment 10 may also include wired (for example Ethernet/ ) and/or wireless communication module 70 (such as wifi lantm).Wireless communication module 70 is used for wirelessly being conveyed to information equipment 10 And/or from described equipment wirelessly pass on information, in equipment 10 and electronic installation such as computer installation, locally or telecommunication network And/or between the air quality monitoring equipment of another identical or different type, wirelessly pass on information.For example, by sensor 30th, 40 obtain and store Monitoring Data in memory can be further transmitted to each for storage and/or data analysiss Plant network data base and/or analysis system.May also allow for user to visit via software program or app via their computer installation Ask, control and/or the parameter of adjusting device 10 and/or setting.Additionally, more than one equipment 10 can be connected wirelessly to be formed Air quality monitoring network network for improve monitoring capability and accuracy.
In one embodiment, the power supply of equipment 10 can be 12v dc and/or power supply 90v to 264v electric current.
This utility model is advantageous in that: this utility model provide a kind of for meet generally acknowledged international standard such as generation The common contaminant of the accuracy real-time monitoring of the air quality indexes of boundary's health organization (who), detection and/or measurement in the air Compact air quality monitoring equipment.Specifically, described equipment includes modular sensor, and described modular sensor allows User is based on their particular demands or regional air condition customized application.Additionally, described equipment is compact in structure, tool There are the typical sizes of about 1 to 1.5 meter of height, about 0.5 meter of width and about 0.1 to 0.3 meter of depth (inclusion air intake).This Compact dimensioning realizes new possible monitoring position, such as but not limited to, waasteyard, airport, railway station, construction site, commercially Office, school, hospital, highway nearby for domestic or even are used for being attached to vehicle, and described monitoring position is usual The extensive air quality monitoring station being traditional is difficult to the position installed.Equipment of the present utility model is relatively light in weight (overall weight is generally less than about 50kg) and there is simple modular construction, described modular construction can easily assemble And relatively quickly install being for example less than in 30 minutes.Additionally, described equipment can operate under relatively low power consumption, For example 100w is less than about for the equipment with four chemical sensors and a particle sensor.This is substantially less than conventional air The general power requirement at quality-monitoring station, described conventional air quality-monitoring station easily can consume in typical operation 250w with On power.
This specification illustrates principle of the present utility model.It is, therefore, to be understood that those skilled in the art is possible to envision respectively Plant arrangement although described arrangement does not herein clearly describe or displaying, but they embody principle of the present utility model And including in spirit and scope of the present utility model.
Additionally, principle of the present utility model cited herein, aspect and embodiment and its specific embodiment is all old State and be all intended to cover its structural equivalents and functional equivalent.In addition it is intended that such equivalent includes the equivalent being currently known And the equivalent that future develops, that is, not tubular construction how, any element of the execution identical function developed.
Although accompanying drawing and described above in explain and describe this utility model, described accompanying drawing and aforementioned Description should be considered to be illustrative and be not restrictive in itself it should be understood that only illustrate and describing exemplary embodiment simultaneously And be difficult any mode and limit scope of the present utility model.It can be appreciated that, any feature as herein described can be used for any Embodiment.Illustrative embodiment is not necessarily mutually exclusive or repels not in other embodiment set forth herein.Therefore, this utility model The embodiment of the combination including one or more of illustrative embodiment described above is also provided.Can be without departing from of the present utility model Make the modifications and changes of the present utility model as listed herein in the case of spirit and scope, and therefore this kind of restriction is only What Ying Youru appended claims indicated is any limitation as.
In detail in the claims, it is expressed as all covering described in execution for any element of the device of execution formulation function Any mode of function.As following facts is had by this utility model that this kind of claim limits: by the various devices enumerated The feature providing combines in the way of claim is advocated and concentrates in together.It is therefore intended that those functions can be provided Any device of property is equivalent with those devices shown in this article.
In appended claims of the present utility model and aforementioned specification, except unless due to express language or must Outside the hint context wanted needs, otherwise " inclusion " under word " inclusion " or modification such as difference tenses is the meaning to comprise Use, that is, represent the feature that there is statement in various embodiments of the present utility model but do not preclude the presence or addition of in addition Feature.
If it will be appreciated that announcing any prior art has been mentioned above, this refers to and does not constitute an admission that described public affairs Cloth forms a part for the common knowledge of this area.

Claims (10)

1. a kind of compact air quality monitoring equipment, comprising:
Entrance, described entrance is used for sampled air and guide sampled air towards one or more sensors, one or Multiple sensors include at least one chemical sensor for sensing from one or more air pollutants of sampled air With at least one particle sensor, described entrance includes Cyclone Particle separator, and described Cyclone Particle separator is used for separating Granule from the targeted particle size part of sampled air;
Close the shell of one or more sensors;And
Control unit, described control unit is used for the temperature control of described inside the shell to the setting more than predetermined dew-point temperature The value of the constant under amount;
Wherein, described predetermined dew-point temperature is based on one or more of following determinations: the gas based on specific objective point or region Wait historical record, and automatically counted based on the described specific objective point being detected or the external temperature in region and relative humidity Calculate.
2. air quality monitoring equipment according to claim 1 is it is characterised in that described chemical sensor includes electrochemistry Sensor, infrared sensor, optical-electronic are from least one of sensor and metal oxide semiconductor sensor.
3. air quality monitoring equipment according to claim 1 is it is characterised in that described particle sensor is included for examining Survey the granularity Detection device of granularity and for measuring at least one of particle collector of number of granule.
4. air quality monitoring equipment according to claim 1 is it is characterised in that one or more of sensor is mould Massing ground arrangement is in the housing.
5. air quality monitoring equipment according to claim 1 is it is characterised in that described control unit is included for reducing The chiller of temperature, the heater for rising high-temperature, and for reducing between inside and the outside of described shell At least one of adiabatic apparatus of heat exchange.
6. air quality monitoring equipment according to claim 5 is it is characterised in that described chiller includes being positioned at In the low portion of described shell and be configured to the fan guiding the air-flow of described inside the shell to flow up.
7. air quality monitoring equipment according to claim 1 is it is characterised in that also include for detecting in following parameter The one or more detectors of at least one: ambient temperature at the position that described equipment is located at, atmospheric pressure, relatively wet Degree, radiation, environment noise, wind speed and wind direction.
8. air quality monitoring equipment according to claim 1 is it is characterised in that also include computer system, described meter Calculation machine system has the processor for the memorizer of data storage with for executing computer-readable instruction.
9. air quality monitoring equipment according to claim 1 is it is characterised in that also include for wirelessly passing information The wireless communication module reaching described equipment and/or wirelessly passing on information from described equipment.
10. air quality monitoring equipment according to claim 1 is it is characterised in that the weight of described equipment is less than 50kg.
CN201620313325.XU 2016-04-14 2016-04-14 Air quality monitoring equipment Active CN205910162U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108151807A (en) * 2017-12-29 2018-06-12 律晖智能科技(上海)有限公司 A kind of intelligence sensor
CN108267481A (en) * 2017-12-07 2018-07-10 广州雅皓检测科技有限公司 A kind of method for real-time monitoring of workplace low energy consumption electrochemical sensor
CN109856899A (en) * 2019-03-21 2019-06-07 中影光峰激光影院技术(北京)有限公司 A kind of projection chip cooling system of super brightness projection device
CN112368575A (en) * 2017-12-20 2021-02-12 比尔芬格诺尔有限公司 Device for checking the atmosphere and use of the device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108267481A (en) * 2017-12-07 2018-07-10 广州雅皓检测科技有限公司 A kind of method for real-time monitoring of workplace low energy consumption electrochemical sensor
CN112368575A (en) * 2017-12-20 2021-02-12 比尔芬格诺尔有限公司 Device for checking the atmosphere and use of the device
CN108151807A (en) * 2017-12-29 2018-06-12 律晖智能科技(上海)有限公司 A kind of intelligence sensor
CN108151807B (en) * 2017-12-29 2020-04-14 律晖智能科技(上海)有限公司 Intelligent sensor
CN109856899A (en) * 2019-03-21 2019-06-07 中影光峰激光影院技术(北京)有限公司 A kind of projection chip cooling system of super brightness projection device

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