CN210639150U - Multi-parameter environment air quality on-line monitor - Google Patents
Multi-parameter environment air quality on-line monitor Download PDFInfo
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- CN210639150U CN210639150U CN201921625982.8U CN201921625982U CN210639150U CN 210639150 U CN210639150 U CN 210639150U CN 201921625982 U CN201921625982 U CN 201921625982U CN 210639150 U CN210639150 U CN 210639150U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to an air quality monitoring field, concretely relates to multi-parameter ambient air quality on-line monitoring appearance. The device comprises a gaseous pollutant sampler, a gaseous pollutant detection unit, a particulate matter sampler, a particulate matter detector, a sampling pump and an alarm; the gaseous pollutant sampler is connected with the sampling pump through the gaseous pollutant detection unit; the particle sampler is connected with the sampling pump through the particle detector. The utility model discloses can monitor more multidata simultaneously to can in time report to the police to the air of monitoring environment, the operating personnel of being convenient for in time handle according to the monitoring condition.
Description
Technical Field
The utility model relates to an air quality monitoring field of indoor or outdoor environment particularly, relates to a multi-parameter ambient air quality on-line monitoring appearance.
Background
The quality condition of the ambient air has important influence on the health of human beings, and a large amount of research data show that various harmful substances existing in the ambient air can affect the respiratory system, the skin, the mucosa of the digestive tract, the central nervous system and even the reproductive system of the human body to cause organ pathological changes, shorten the service life of people, reduce the quality of life and even cause death seriously.
There is a wide variety of harmful substances in the ambient air currently identified, including particulate matter such as ammonium salts, nitrates, sulfates, etc., volatile organic compounds such as benzene, toluene, ethyl acetate, etc., toxic harmful gases such as hydrogen sulfide, hydrogen chloride, etc.
To the above situation, how to detect different kinds of harmful substances in the air and then to perform early warning in time is a technical problem to be solved urgently in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-parameter ambient air quality on-line monitoring appearance, it can detect gaseous state pollutant and particulate matter in the air respectively, and detects simultaneously the multiple different materials of the multiple different harmful substance of gaseous state pollutant and particulate matter, to the timely early warning of testing result, realizes the monitoring to the air quality in the environment.
The embodiment of the utility model is realized like this:
a multi-parameter ambient air quality on-line monitor comprises a gaseous pollutant sampler, a gaseous pollutant detection unit, a particulate matter sampler, a particulate matter detector, a sampling pump and an alarm;
the gaseous pollutant sampler is connected with the sampling pump through the gaseous pollutant detection unit;
the particle sampler is connected with the sampling pump through the particle detector.
In the preferred embodiment of the present invention, the sampling pump includes a gaseous pollutant sampling pump and a particulate matter sampling pump, the gaseous pollutant sampling pump is connected to the gaseous pollutant detecting unit, and the particulate matter sampling pump is connected to the particulate matter detector.
In a preferred embodiment of the present invention, a first filter is disposed between the gaseous pollutant sampler and the gaseous pollutant detecting unit.
In a preferred embodiment of the present invention, a first throttle valve is disposed between the first filter and the gaseous pollutant detecting unit.
In a preferred embodiment of the present invention, the gaseous pollutant detecting unit is provided with a plurality of sensor modules.
In a preferred embodiment of the present invention, the detection types of the plurality of sensor modules are different.
In a preferred embodiment of the present invention, a second filter is disposed between the particle sampler and the particle detector.
In a preferred embodiment of the present invention, a second throttle valve is disposed between the second filter and the particle detector.
In a preferred embodiment of the present invention, a third filter is disposed between the particulate matter detector and the sampling pump.
In the preferred embodiment of the present invention, the online multi-parameter ambient air quality monitor further comprises a display screen, a controller and a power module;
the display screen is respectively connected with the controller and the power supply module;
the controller still with gaseous pollutant detecting element, particulate matter detector the sampling pump with the alarm carries out signal connection respectively, with power module carries out the electricity and connects.
The embodiment of the utility model provides a beneficial effect is:
all parts are connected into a whole through the shell, gaseous pollutants are sampled through the gaseous pollutant sampler, detected through the gaseous pollutant detection unit, and alarm is given through the alarm after exceeding the standard; meanwhile, the particulate matter in the air is sampled by a particulate matter sampler, the particulate matter is detected by a particulate matter detector, and an alarm is given in time after the detected data exceed the standard; meanwhile, the sampling pump provides power for the gaseous pollutant sampler and the particulate matter sampler, and the power supply module provides power for all parts.
The utility model discloses can detect the harmful substance of different gaseous states in to the air through gaseous state pollutant detecting element, detect the different particulate matters of particulate matter detector in to the air, and then can monitor more multidata simultaneously to can in time report to the police to the air of monitoring environment, the operating personnel of being convenient for in time handle according to the monitoring condition.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is the embodiment of the utility model provides a multi-parameter ambient air quality on-line monitoring appearance's schematic structure diagram.
In the figure:
1. the device comprises a gaseous pollutant sampler, 2 an air guide hose, 3 an air first filter, 4 an air first throttle valve, 5 an air pollutant detection unit, 6 a sensor module, 7 an air pollutant sampling pump, 8 an audible and visual alarm, 9 a particulate matter sampler, 10 an air second filter, 11 a display screen, 12 an air second throttle valve, 13 a particulate matter detector, 14 a controller, 15 a third filter, 16 a particulate matter sampling pump, 17 a power supply module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to fig. 1. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
A multi-parameter ambient air quality on-line monitor is shown in figure 1 and comprises a shell, a gaseous pollutant sampler 1, a gaseous pollutant detection unit 5, a particulate matter sampler 9, a particulate matter detector 13, a sampling pump, an alarm and a power supply module 17; the gaseous pollutant detection unit 5, the particulate matter detector 13, the sampling pump, the alarm and the power supply module 17 are all arranged in the shell; the gaseous pollutant sampler 1 is arranged outside the shell and is connected with the sampling pump through a gaseous pollutant detection unit 5; the particle sampler 9 is arranged outside the shell and is connected with the sampling pump through the particle detector 13; the gaseous pollutant detection unit 5, the particulate matter detector 13, the alarm and the sampling pump are all connected with the power module 17.
In this embodiment, the gaseous pollutant sampler 1 is made of stainless steel and comprises a rain-shielding cap to prevent rain and snow from entering in rainy and snowy weather, a stainless steel net is arranged at the lower end of the rain-shielding cap, and small holes with the diameter of 0.2mm are formed in the stainless steel net to prevent winged insects and larger particles from entering, so that the equipment is protected primarily.
Specifically, in the present embodiment, the gaseous pollutant sampler 1 introduces air into the gaseous pollutant detecting unit 5 through the air guide hose 2.
More specifically, in the present embodiment, the air guide hose 2 is made of teflon, and has an inner diameter of 4mm, an outer diameter of 6mm, a smooth inner surface, and no adsorption.
In this embodiment, gaseous pollutant detecting element 5 includes the unit shell, built-in pipeline, data acquisition board and a plurality of gaseous pollutant sensor module 6 are constituteed, the main function is that the sampling gas gets into behind the 5 shells of gaseous pollutant detecting element, get into each gaseous pollutant detection module with air guide hose 2 series connection intercommunication in proper order by built-in pipeline, gaseous pollutant detection module detects out behind the various gaseous pollutant concentration with data uniform transmission for data acquisition board, data acquisition board and controller 14 communicate, with various gaseous pollutant concentration information transfer to controller 14.
Specifically, in the present embodiment, the housing and the data acquisition board of the gaseous pollutant detecting unit 5 can accommodate 8 different kinds of gaseous pollutant sensor modules 6.
In this embodiment, the particle sampler 9 is made of stainless steel and includes a rain-shielding cap to prevent rain and snow from entering in rainy and snowy weather, a stainless steel net is arranged at the lower end of the rain-shielding cap, small holes with a diameter of 0.2mm are formed in the stainless steel net to prevent winged insects and larger particles from entering, the primary protection is performed on the device, and a 2.5 μm or 10 μm cutter can be installed on the sampler to ensure the measurement accuracy of the particles.
Specifically, particulate matter detector 13 is used for particulate matter concentration's detection, and when particulate matter sampling gas got into particulate matter detector 13, its inside laser light source shines on the sampling gas passageway, calculates particulate matter concentration and communicates with controller 14 according to the scattered light pulse intensity and the number of particulate matter in the sampling gas, with particulate matter concentration information transmission to controller 14.
In this embodiment, the alarm is multistage audible-visual annunciator 8, audible-visual annunciator when mainly used concentration surpassed the restriction, can set for the alarm limit value of different pollutants through the setting to equipment, and when arbitrary pollutant concentration reached the limit value, audible-visual annunciator 8 began scintillation and buzzing, and the alarm limit value of different pollutants can set up the warning of different grades according to the degree size, and audible-visual annunciator 8 can adjust scintillation and buzzing frequency according to different grades and realize multistage warning.
In this embodiment, except gaseous pollutant sampler 1 and particulate matter sampler 9, other spare parts all set up inside the casing, integrate it as a whole through the casing, and protect it.
In the present embodiment, each power consuming unit is supplied with power through the power supply module 17.
In the preferred embodiment of the present invention, the sampling pump includes a gaseous pollutant sampling pump 7 and a particulate matter sampling pump 16, the gaseous pollutant sampling pump 7 is connected to the gaseous pollutant detecting unit 5, and the particulate matter sampling pump 16 is connected to the particulate matter detector 13.
In the embodiment, the gaseous pollutant sampling pump 7 provides a power source for sampling the sample gas for detecting the gaseous pollutants, the sampling pump is in the form of a diaphragm pump, the rated flow is 1.2L/min, the flow is adjustable, and the service life exceeds 4 ten thousand hours.
In this embodiment, the particulate matter sampling pump 16 is a diaphragm pump for providing a power source for sampling the sample gas for particulate matter detection, the rated flow rate is 3L/min, the flow rate is adjustable, and the service life exceeds 4 ten thousand hours.
Through setting up two sampling pumps, detect gaseous pollutant and particulate matter respectively through two circuits, form two and detect the gas circuit, can make the result that detects more accurate.
In the preferred embodiment of the present invention, a first filter 3 is disposed between the gaseous pollutant sampler 1 and the gaseous pollutant detecting unit 5.
In the present embodiment, the first filter 3 is a precision filter, which is mainly used for filtering impurities before the sampling gas enters the gaseous pollutant detection unit 5, and is made of ceramic powder material with a filtering precision of 0.2 μm.
In the preferred embodiment of the present invention, a first throttle valve 4 is disposed between the first filter 3 and the gaseous pollutant detecting unit 5.
In the embodiment, the first throttle valve 4 is used for controlling the flow of the sampled gas entering the gaseous pollutant detection unit 5, so as to ensure the flow to be constant, and the flow entering the gaseous pollutant detection unit 5 is controlled within 0.3L/min +/-0.05L/min by adjusting a knob of the first throttle valve 4.
In this embodiment, the first throttle valve 4 is disposed behind the first filter 3, so that the influence of the impurity in the sampled gas on the first throttle valve 4 such as blockage can be avoided, and the flow rate is ensured to be constant.
In the preferred embodiment of the present invention, the detection types of the plurality of sensor modules 6 are different.
Specifically, in this embodiment, gaseous pollutant's sensor module 6 comprises electrochemical sensor and the casing around electrochemical sensor is peripheral, and the gaseous sample gets into the casing when passing through, reacts with electrochemical sensor, and electrochemical sensor transmits gaseous pollutant concentration information to the collection board, and electrochemical sensor's type includes sulfur dioxide sensor, nitrogen dioxide sensor, ozone sensor, carbon monoxide sensor, ammonia sensor, formaldehyde sensor, carbon dioxide sensor, hydrogen sulfide sensor.
In the preferred embodiment of the present invention, a second filter 10 is disposed between the particle sampler 9 and the particle detector 13.
Specifically, in the present embodiment, the second filter 10 is a dehumidifying and drying filter, which is mainly used to reduce the humidity of the sampled gas, and the dehumidifying and drying filter heats the ambient temperature of the sampled gas to 90 ℃ ± 5 ℃ by electrical heating, so as to ensure that the relative humidity is lower than 50% RH.
In the preferred embodiment of the present invention, a second throttle valve 12 is provided between the second filter 10 and the particle detector 13.
In this embodiment, the second throttle valve 12 is used for controlling the flow rate of the sampling gas entering the particle detector 13, so as to ensure the flow rate to be constant, and the flow rate entering the particle detector 13 is controlled within 1L/min ± 0.1L/min by adjusting a knob of the second throttle valve 12.
The reason why the second throttle valve 12 is disposed after the second filter 10 is the same as that of the first throttle valve 4, and it is possible to prevent the second throttle valve 12 from being clogged by impurities in the sampled gas and the like, and to ensure the flow rate to be constant.
In the preferred embodiment of the present invention, a third filter 15 is disposed between the particle detector 13 and the sampling pump.
In the present embodiment, the third filter 15 is mainly used for filtering particulate matters before the sampling gas enters the particulate matter sampling pump 16 so as to protect the particulate matter sampling pump 16, and the filter is made of a filter cotton material and has a filtering precision of 0.5 μm.
In the preferred embodiment of the present invention, the multi-parameter online ambient air quality monitor further comprises a display screen 11 and a controller 14; the display screen is respectively connected with the controller 14 and the power supply module 17; the controller 14 is also in signal connection with the gaseous pollutant detection unit, the particulate matter detector 13, the sampling pump and the alarm respectively, and is electrically connected with the power module 17.
Specifically, in this embodiment, the display screen 11 is a touch screen and is mainly used for human-computer interaction, concentration indexes of various environmental air pollutants, operation states of various systems of the equipment, and fault codes when a fault occurs can be displayed on the touch display screen 11, and an operator can also calibrate the equipment and adjust various parameters of the equipment by touching the touch display screen 11.
Specifically, in the present embodiment, the controller 14 is configured to collect various pieces of ambient air pollutant concentration information from the data acquisition board and the particulate matter detector 13 in the gaseous pollutant detection unit 5, store the various pieces of ambient air pollutant concentration information in the memory, and transmit the various pieces of ambient air pollutant concentration information to the remote application end through a wireless transmission manner. The controller 14 communicates with the touch display screen 11 through a serial port, displays various pieces of ambient air pollutant concentration information on the touch display screen 11, and also receives a command issued by an operator through the touch display screen 11 to complete setting. While the controller 14 is also used for controlling the gaseous pollutant sampling pump 7 and the particulate matter sampling pump 16.
It can be seen from the above that, the whole using process of the utility model is as follows:
after the multi-parameter environment and multi-parameter environment air quality on-line monitor is started, the power supply module 17 converts 220V alternating current into 12V direct current and supplies power to all units of the system.
In the gaseous pollutant detection gas circuit, the gaseous pollutant sampling pump 7 starts to operate, a power source is provided for the gaseous pollutant sampler 1, the flow is adjusted to 0.3L/min, the first throttle valve 4 is adjusted, the flow is stabilized within 0.3L/min +/-0.05L/min, the sampled gas passes through the gaseous pollutant sampler 1, enters the gaseous pollutant detection unit 5 through the gas guide hose 2 and the first filter 3, enters the sensor module 6 of each gaseous pollutant, reacts with the electrochemical sensor in the sensor module 6 of each gaseous pollutant, the electrochemical sensor in the sensor module 6 of each gaseous pollutant detects the concentration of the corresponding gaseous pollutant in the sampled gas, the information is transmitted to the data acquisition board, and the data acquisition board transmits the data to the controller 14 in a unified manner.
In the particulate matter detection gas circuit, the particulate matter sampling pump 16 starts to operate, power is provided for the particulate matter detector 13, the second throttle valve 12 is adjusted, the flow is adjusted to 1L/min, the final flow is stabilized within 1L/min +/-0.1L/min, the sampled gas passes through the particulate matter sampler 9 and an auxiliary cutter, the sampled gas enters the particulate matter detector 13 through the gas guide hose 2 and the second filter 10, the sampled gas passes through the particulate matter detector 13 and then enters the particulate matter sampling pump 16 after passing through the particulate matter filter, and the particulate matter detector 13 transmits data to the controller 14 after detecting the concentration of particulate matter. The controller 14 receives the pollutant concentration information from the gaseous pollutant detection unit 5 and the particulate matter detector 13, stores the pollutant concentration information in the memory, transmits the pollutant concentration information to the remote application terminal in a wireless transmission mode, and displays the pollutant concentration information on the touch screen through the serial port.
A user can set alarm limit values of the concentrations of the pollutants through the display screen 11, the alarm limit values of the concentrations of the pollutants are stored in the controller 14, and when the concentrations of the pollutants exceed the set alarm limit values, the controller 14 triggers the multistage audible and visual alarm 8 to achieve flashing and buzzing alarm.
The utility model discloses a two way sampling gas circuits of gaseous pollutant and particulate matter have realized monitoring when two kinds of environment air pollution material to guaranteed to detect the precision, simultaneously through the configuration to many electrochemical sensor in the gaseous pollutant detecting element 5, expanded the classification of different pollutants greatly, can let equipment be applicable to all kinds of different pollution occasions. Through having increased display screen 11 and multistage audible-visual annunciator 8, realized better human-computer interaction, each item pollutant concentration information not only can be looked over by the user on the scene, can also realize pollutant concentration transfinite warning through the settlement to each item pollutant concentration warning limit value, when polluting when exceeding the standard, the on-the-spot personnel can know the condition immediately, in time take control measures.
The embodiment of the utility model provides a beneficial effect is:
all parts are connected into a whole through a shell, gaseous pollutants are sampled through a gaseous pollutant sampler 1, detected through a gaseous pollutant detection unit 5, and an alarm is given out after the gaseous pollutants exceed the standard; meanwhile, the particulate matter in the air is sampled by a particulate matter sampler 9, the particulate matter is detected by a particulate matter detector 13, and an alarm is given in time after the detected data exceeds the standard; meanwhile, the sampling pump provides power for the gaseous pollutant sampler 1 and the particulate matter sampler 9, and the power supply module 17 provides power for each part.
The utility model discloses can detect the harmful substance of different gaseous states in the air through gaseous state pollutant detecting element 5, detect the different particulate matters in particulate matter detector 13 to the air, and then can monitor more multidata simultaneously to can in time report to the police to the air of monitoring environment, the operating personnel of being convenient for in time handle according to the monitoring condition.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multi-parameter ambient air quality on-line monitor is characterized by comprising a gaseous pollutant sampler, a gaseous pollutant detection unit, a particulate matter sampler, a particulate matter detector, a sampling pump and an alarm;
the gaseous pollutant sampler is connected with the sampling pump through the gaseous pollutant detection unit;
the particle sampler is connected with the sampling pump through the particle detector.
2. The multi-parameter ambient air quality on-line monitor of claim 1, wherein the sampling pump comprises a gaseous pollutant sampling pump and a particulate matter sampling pump, the gaseous pollutant sampling pump is connected with the gaseous pollutant detection unit, and the particulate matter sampling pump is connected with the particulate matter detector.
3. The multi-parameter ambient air quality on-line monitor according to claim 1, wherein a first filter is disposed between the gaseous contaminant sampler and the gaseous contaminant detection unit.
4. The multi-parameter ambient air quality on-line monitor according to claim 3, wherein a first throttle valve is provided between the first filter and the gaseous pollutant detection unit.
5. The multi-parameter ambient air quality on-line monitor according to claim 1, wherein a plurality of sensor modules are provided on the gaseous contaminant detection unit.
6. The multi-parameter ambient air quality on-line monitor according to claim 5, wherein a plurality of the sensor modules differ in detection type.
7. The multi-parameter ambient air quality on-line monitor according to claim 1, wherein a second filter is disposed between the particulate matter sampler and the particulate matter detector.
8. The multi-parameter ambient air quality on-line monitor according to claim 7, wherein a second throttle valve is provided between the second filter and the particulate matter detector.
9. The multi-parameter ambient air quality on-line monitor according to claim 1, wherein a third filter is disposed between the particulate matter detector and the sampling pump.
10. The multi-parameter ambient air quality on-line monitor of claim 1, further comprising a display screen, a controller and a power module;
the display screen is respectively connected with the controller and the power supply module;
the controller still with gaseous pollutant detecting element, particulate matter detector the sampling pump with the alarm carries out signal connection respectively, with power module carries out the electricity and connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921625982.8U CN210639150U (en) | 2019-09-27 | 2019-09-27 | Multi-parameter environment air quality on-line monitor |
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| CN201921625982.8U CN210639150U (en) | 2019-09-27 | 2019-09-27 | Multi-parameter environment air quality on-line monitor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147280A (en) * | 2020-09-04 | 2020-12-29 | 北京英视睿达科技有限公司 | Remote calibration method for sensor for ambient air monitoring and ambient air quality monitoring device |
| CN113567620A (en) * | 2021-07-13 | 2021-10-29 | 重庆亿森动力环境科技有限公司 | Outdoor miniature air monitoring device |
| CN113702256A (en) * | 2021-07-21 | 2021-11-26 | 北京师范大学 | Fine particulate matter monitor of navigating |
| CN113702255A (en) * | 2021-07-21 | 2021-11-26 | 北京师范大学 | Inhalable particulate matter PM10 sailing monitor |
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2019
- 2019-09-27 CN CN201921625982.8U patent/CN210639150U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147280A (en) * | 2020-09-04 | 2020-12-29 | 北京英视睿达科技有限公司 | Remote calibration method for sensor for ambient air monitoring and ambient air quality monitoring device |
| CN113567620A (en) * | 2021-07-13 | 2021-10-29 | 重庆亿森动力环境科技有限公司 | Outdoor miniature air monitoring device |
| CN113702256A (en) * | 2021-07-21 | 2021-11-26 | 北京师范大学 | Fine particulate matter monitor of navigating |
| CN113702255A (en) * | 2021-07-21 | 2021-11-26 | 北京师范大学 | Inhalable particulate matter PM10 sailing monitor |
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