CN116434450A - Intelligent indoor air environment pollution early warning system and method for building - Google Patents

Intelligent indoor air environment pollution early warning system and method for building Download PDF

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CN116434450A
CN116434450A CN202310250740.XA CN202310250740A CN116434450A CN 116434450 A CN116434450 A CN 116434450A CN 202310250740 A CN202310250740 A CN 202310250740A CN 116434450 A CN116434450 A CN 116434450A
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CN116434450B (en
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董洪军
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Lianyungang Chuanghong Information Technology Co ltd
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
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    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract

The invention discloses a building intelligent indoor air environmental pollution early warning system and a method, which relate to the field of indoor environmental detection and comprise an environmental detector, an environmental detection platform and terminal equipment, wherein various sensors are used for collecting environmental data in a detection area, so as to obtain the environmental detection data, the collected environmental detection data are transmitted to a cloud server for storage, the environmental detection platform obtains the stored environmental detection data from the cloud server, a data processing unit is used for analyzing and comparing the received environmental detection data, whether the environmental quality in the detection area meets the standard is analyzed and compared, if the environmental quality does not meet the standard, the abnormal data are sent to a next instruction and an early warning signal are sent when the environmental quality does not meet the standard, the early warning unit confirms the abnormal data in the data processing unit, alarms through a loudspeaker and a warning lamp, and meanwhile, the environmental detection number in the detection area is obtained in real time through the terminal equipment.

Description

Intelligent indoor air environment pollution early warning system and method for building
Technical Field
The invention relates to the field of indoor environment detection, in particular to an intelligent indoor air environment pollution early warning system and method for a building.
Background
Along with the popularization of various modern household equipment and articles for daily use, the requirements of people on interior decoration are also increasing. At present, no absolute environment-friendly material exists, most of indoor pollution is from building materials, chemical pollution is most serious in indoor environment air at present, and main toxic and harmful gases are volatile organic gases such as formaldehyde, benzene series and the like. After decoration, a large amount of formaldehyde, benzene and other harmful substances remain in the air because the air is not effectively ventilated and flavored; the pollution hazard after absorbing the harmful substances mainly comprises the following aspects: causing abnormal immune function, liver injury and affected nerve center of human body; causing damage to the eyes, nose, throat, upper respiratory tract and skin; causing chronic health injury and shortening the life of people; causing carcinogenesis, fetal malformation and female infertility; in addition, formaldehyde has a strong stimulation effect on skin mucous membrane, so that skin is wrinkled after contact, sweat secretion is reduced, and dirt in pores is prevented from being discharged and metabolism of a human body is prevented. People can not leave oxygen at all times and obtain oxygen by sucking air, so that the polluted air has direct influence on human health, more than 90% of the life of people spends indoors, and indoor air quality is more important to human influence.
An indoor environment detector with the publication number of CN202814454U meets the requirement of indoor environment monitoring through an illuminance sensor, a temperature sensor and a humidity sensor. However, the above patent still has the following problems during use:
at present, people often carry out a large amount of decorations in houses, meanwhile, formaldehyde and benzene toxic gas also flow into the houses, and for the quality of indoor air, the most attention is paid to the air quality of the environment in the houses, so that the indoor temperature and humidity and illumination are detected, the detection function is single, the content of harmful gas in the indoor environment, the air humidity and the indoor temperature cannot be detected, the indoor air quality cannot be known in real time by a homeowner, and whether the indoor air is polluted or not cannot be judged, so that the health of the homeowner cannot be ensured.
Disclosure of Invention
The invention aims to provide a building intelligent indoor air environmental pollution early warning system and a method, wherein an environmental detector is deployed in a detection area of each room, environmental data in the detection area are acquired by utilizing various sensors, the acquired environmental detection data are transmitted to a cloud server for storage, the environmental detection data are acquired from the cloud server by an environmental detection platform, the received environmental detection data are analyzed and compared by a data processing unit, whether the environmental quality in the detection area meets the standard is analyzed and compared, if the environmental quality does not meet the standard, the abnormal data are transmitted to a next instruction and an early warning signal is sent when the environmental quality does not meet the standard, the early warning unit confirms the abnormal data in the data processing unit, and gives an alarm through a loudspeaker and an alarm lamp, and meanwhile gives an early warning prompt message to a terminal device, so that the problems in the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an intelligent indoor air environmental pollution early warning system for a building, comprising:
the environment detector is deployed in a room in the detection area and is used for collecting environment detection data in real time and transmitting the collected environment detection data to the cloud server for storage;
the environment detection platform is used for acquiring the environment detection data from the cloud server, analyzing whether the environment quality in the detection area meets the standard according to the environment detection data, and sending early warning information to the terminal equipment if the environment quality does not meet the standard;
and the terminal equipment is used for receiving the early warning information of the environment detection platform and acquiring the environment detection number in the detection area in real time.
Further, the environment detector is provided with a plurality of environment detectors, the detection area is used for each room as a unit, the environment detectors are respectively distributed at positions in the detection area, and the air environment of the detection area is detected based on the plurality of environment detectors.
Further, the environment detector includes:
the detection unit is used for detecting the indoor air environment, collecting indoor air environment detection data by using a sensor, and transmitting the collected air environment detection data to the cloud server for storage;
and the cloud server is used for receiving the air environment detection data acquired by the detection unit and storing the received environment detection data.
Further, the sensor includes:
the formaldehyde sensor is used for detecting the concentration of formaldehyde gas in the indoor air environment;
the benzene sensor is used for detecting the concentration of volatile organic compounds benzene gas in the indoor air environment;
a carbon monoxide sensor for detecting a carbon monoxide gas concentration in an indoor air environment;
a PM2.5 sensor for detecting dust concentration in an indoor air environment;
and the temperature and humidity sensor is used for detecting the temperature and humidity in the indoor air environment.
Further, the environment detection platform includes:
the data processing unit is used for processing the environment detection data acquired by the environment detector, analyzing and comparing the received environment detection data, comparing the received environment detection data with a preset data threshold value, and sending the abnormal data to the next instruction when the received environment detection data is compared with the abnormal condition;
the early warning unit is used for confirming abnormal data conditions in the data processing unit, sending alarm signals and sending early warning short messages to the terminal equipment.
Further, the data threshold includes:
formaldehyde gas standard of not more than 0.08mg/m 3
Benzene gas standard of not more than 0.09mg/m 3
The carbon monoxide standard is not more than 30mg/m 3
pm2.5 standard is 24 hours average concentration less than 755 mug/m 3
The temperature and humidity are divided into summer and winter, the winter temperature is 18-24 ℃, the relative humidity is 30-80%, the summer temperature is 23-28 ℃ and the relative humidity is 30-60%.
Further, the early warning unit includes:
the loudspeaker is used for voice broadcasting and early warning, the decibel is 95 decibels, and the duration is 5-10 seconds;
the warning lamp is used for flashing light for early warning, the light color is red, the flashing is carried out for 5-10 times, and the flashing interval is 2 seconds.
Further, the environment detector includes:
the region labeling unit is used for labeling the region of the detection region, acquiring a region label of the detection region based on a labeling result, and simultaneously acquiring data address information of the detection region corresponding to the environment detector;
the node establishing unit is used for establishing a data receiving node based on the area label of the detection area and the data address information of the environment detector corresponding to the detection area, and simultaneously, establishing a data summarizing node;
the branch acquisition unit is used for acquiring a data transmission branch between the environment detector corresponding to the detection area and the data summarizing node based on the data receiving node and the data summarizing node;
the distributed storage network acquisition unit is used for summarizing the data transmission branches to obtain a distributed storage network, and simultaneously, a first data filtering window is arranged in each data transmission branch and a second data filtering window is arranged in a data summarizing node;
a first filter unit for:
reading the sub-environment detection data detected by the environment detector based on the detection area corresponding to the first data filtering window, determining the data type of the sub-environment detection data, and determining the reference data type based on the environment detector;
first comparing the data type of the sub-environment detection data with a reference data type;
when the data type of the sub-environment detection data is consistent with the reference data type, the sub-environment detection data is not subjected to first filtering;
otherwise, performing first filtering on the sub-environment detection data based on the first data filtering window;
a second filter unit for:
transmitting the filtered sub-environment detection data to a data summarizing node based on a distributed storage network to summarize, obtaining first target environment detection data, and determining a data change interval of the first target environment detection data;
performing second filtering on the first target environment detection data which does not accord with the data change interval in the first target environment detection data based on a second filtering window of the data summarizing node to obtain second target environment detection data;
and the data storage unit is used for transmitting the second target environment detection data to the cloud server for storage.
Further, the environment detection platform includes:
the ventilation position acquisition unit is used for acquiring the current indoor ventilated position and determining the corresponding ventilation area of each ventilated position when the environmental quality in the detection area does not reach the standard;
a first calculation unit for calculating an air flow factor in a current room based on the ventilation area;
Figure BDA0004127811380000051
wherein phi represents the current indoor air flow factor; delta represents a constant and takes a value of 1.89; i represents a serial number corresponding to the current ventilated position in the room; n represents the total number of ventable positions in the room; s is(s) i Representing a ventilation area corresponding to the ith ventilated position;
a second calculation unit for calculating a ventilation rate in a ventilation state in the room based on an air flow factor in the current room;
Figure BDA0004127811380000052
wherein V represents the ventilation rate in the chamber in the ventilation state; delta 1 The flow coefficient is represented, and the value is 0.64; delta 2 The comprehensive wind efficiency coefficient is represented, and the value is 0.09; g represents gravitational acceleration; Δt represents a numerical difference between the indoor and outdoor environments; t (T) 0 A numerical value corresponding to the indoor environment data; h represents the vertical distance of the ventilation position from the ground; mu represents the outdoor wind speed;
a target time acquisition unit for evaluating a target time required when the current indoor is restored to the environmental quality reaching the standard, based on the ventilation rate of the indoor in the ventilation state;
the device starts the judging unit, is used for:
acquiring a time threshold value, comparing the target time with the time threshold value, and judging whether the air purifying device needs to be started or not;
when the target time is less than or equal to the time threshold, judging that the air purifying device does not need to be started;
otherwise, the air purifying device is started.
The application method of the intelligent indoor air environmental pollution early warning system for the building comprises the following steps:
the environment detection devices are respectively distributed in detection areas of indoor rooms, environment data in the detection areas are collected by utilizing various sensors, so that environment detection data are obtained, the collected environment detection data are transmitted to a cloud server, and the cloud server stores the received environment detection data;
the environment detection platform acquires stored environment detection data from the cloud server, processes the acquired environment detection data through the data processing unit, analyzes and compares the received environment detection data, compares the received environment detection data with a preset data threshold value, analyzes whether the environment quality in a detection area meets the standard according to the environment detection data, and if the environment quality does not meet the standard, the abnormal data is sent to the next instruction when the abnormal condition is compared, and an early warning signal is sent;
the early warning unit confirms abnormal data conditions in the data processing unit and sends out an alarm signal, the sound with the duration of 95 dB is played for 5-10 seconds through the loudspeaker, the alarm is carried out by flashing red lamplight for 5-10 times through the alarm lamp, and meanwhile, an early warning prompt message is sent to the terminal equipment.
Compared with the prior art, the invention has the beneficial effects that:
according to the intelligent indoor air environment pollution early warning system and method for the building, an environment detector is deployed in a detection area of an indoor room, the environment detector detects the indoor air environment through a detection unit, the detection unit collects indoor air environment detection data through various sensors, the collected environment detection data are transmitted to a cloud server, the cloud server stores the environment detection data, the environment detection platform is convenient to take the environment detection data from the cloud server for analysis and comparison, the environment detection platform takes the environment detection data from the cloud server, the environment detection platform obtains the stored environment detection data from the cloud server, the data processing unit analyzes and compares the received environment detection data, whether the environment quality in the detection area meets the standard or not is analyzed and compared, after the collected environment detection data are compared one by one, if the environment detection data do not meet the standard, the abnormal data are transmitted to a next instruction and an early warning signal is sent out when the abnormal condition is detected, the cloud server stores the environment detection data, the environment detection platform is convenient to take the environment detection data from the cloud server for analysis and comparison, the environment detection data are taken from the cloud server, the environment detection platform takes the environment detection data from the cloud server, the environment detection data are taken from the environment detection server, the environment detection area is analyzed and compared, the environment detection data are taken from the cloud server, the environment detection area is analyzed and compared, the environment detection data are stored in the environment detection area through the infrared alarm lamp, the environment detection system is continuously, the environment detection system is in a short warning device, the environment detection area is in real time, and the environment information is continuously shows that the environment is in the environment through a short warning signal through a real-time, and a short warning device, and a short warning signal is timely through a short warning terminal, and an indoor air environment is and an indoor environment warning terminal, and an alarm signal is in which is in real time.
Through determining the regional label and the data address information of the detection region, thereby can effectively establish data receiving node and data summarizing node, thereby through the data transmission branch road between data receiving node and the data summarizing node, thereby effectively determine distributed storage network, realize the accurate summarizing to environment detection data, through determining first filtration, realize the data arrangement to the sub-environment detection data in each data transmission branch road, thereby improved the data filtration efficiency of data summarizing node, realize the filtration to inaccurate environment detection data through the second filtration, thereby be favorable to guaranteeing the accuracy of the environment detection data transmitted to cloud server, be favorable to the analysis efficiency to environment detection data based on cloud service.
The ventilation rate in the indoor ventilation state is calculated accurately by calculating the air flow factor in the current room, so that the target time required by the current room to recover to the environment quality reaching the standard can be estimated accurately, whether the air purification device needs to be started or not is determined through the time threshold, the air environment quality reaching the standard in the indoor within a specified time is guaranteed, and the indoor environment health is guaranteed.
Drawings
FIG. 1 is a schematic diagram of an overall process of the present invention;
FIG. 2 is a schematic diagram of an environmental sensor according to the present invention;
fig. 3 is a schematic diagram of an environment detection platform according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problem that the existing detector is single in detection function, only detects indoor temperature and humidity and illumination, cannot detect harmful gas content, air humidity and indoor temperature in indoor environment, and cannot know indoor environment quality in real time, please refer to fig. 1-3, the embodiment provides the following technical scheme:
an intelligent indoor air environmental pollution early warning system for a building, comprising:
the environment detector is deployed in a room in the detection area and is used for collecting environment detection data in real time and transmitting the collected environment detection data to the cloud server for storage;
the environment detection platform is used for acquiring the environment detection data from the cloud server, analyzing whether the environment quality in the detection area meets the standard according to the environment detection data, and sending early warning information to the terminal equipment if the environment quality does not meet the standard;
and the terminal equipment is used for receiving the early warning information of the environment detection platform and acquiring the environment detection number in the detection area in real time.
Specifically, through setting up the environmental detection appearance in the detection area, the indoor environmental detection data of real-time collection, and the environmental detection data transmission cloud ware that will gather stores, environmental detection platform obtains the environmental detection data that detects at present from cloud ware, and whether the environmental quality in the present detection area is up to standard according to environmental detection data analysis, if not, then send early warning signal and send early warning information to terminal equipment, whether indoor air environment is unusual in the room accessible indoor early warning signal grasp, simultaneously also accessible terminal equipment received early warning information grasp whether indoor air environment is unusual, and can acquire the environmental detection number in the detection area in real time through terminal equipment, be favorable to the room owner to know the quality of indoor air environment in real time.
The environment detector is provided with a plurality of, and the detection area is in unit with every room, distributes the environment detector in the position of detection area respectively, detects the air environment of the detection area of place based on a plurality of environment detectors.
It should be noted that, set up a plurality of environment detection appearance, can install the environment detection appearance in indoor different rooms, be convenient for carry out simultaneous detection to the air environment in indoor a plurality of rooms, be favorable to the homeowner to master the air quality in different rooms, the setting of a plurality of environment detection appearance for the data that detects is more accurate, thereby is favorable to analyzing environmental detection data more.
An environmental detector, comprising:
the detection unit is used for detecting the indoor air environment, collecting indoor air environment detection data by using a sensor, and transmitting the collected air environment detection data to the cloud server for storage;
and the cloud server is used for receiving the air environment detection data acquired by the detection unit and storing the received environment detection data.
A sensor, comprising:
the formaldehyde sensor is used for detecting the concentration of formaldehyde gas in the indoor air environment;
the benzene sensor is used for detecting the concentration of volatile organic compounds benzene gas in the indoor air environment;
a carbon monoxide sensor for detecting a carbon monoxide gas concentration in an indoor air environment;
a PM2.5 sensor for detecting dust concentration in an indoor air environment;
and the temperature and humidity sensor is used for detecting the temperature and humidity in the indoor air environment.
Specifically, an environment detector is deployed in a detection area of an indoor room, the environment detector detects an indoor air environment through a detection unit, the detection unit is composed of a plurality of sensors, indoor air environment detection data are collected through various sensors, formaldehyde gas concentration in the indoor air environment can be detected through a formaldehyde sensor, volatile organic compound benzene gas concentration in the indoor air environment can be detected through a benzene sensor, and carbon monoxide gas concentration in the indoor air environment can be detected through a carbon monoxide sensor; the PM2.5 sensor is utilized to detect dust concentration in the indoor air environment, the temperature and humidity sensor is utilized to detect temperature and humidity in the indoor air environment, the data detected by the various sensors are environment detection data, the detected and collected environment detection data are transmitted to the cloud server, the cloud server stores the environment detection data, and the environment detection data are conveniently transferred from the cloud server to the environment detection platform for analysis and comparison.
An environmental detection platform, comprising:
the data processing unit is used for processing the environment detection data acquired by the environment detector, analyzing and comparing the received environment detection data, comparing the received environment detection data with a preset data threshold value, and sending the abnormal data to the next instruction when the received environment detection data is compared with the abnormal condition;
the early warning unit is used for confirming abnormal data conditions in the data processing unit, sending alarm signals and sending early warning short messages to the terminal equipment.
A data threshold, comprising:
formaldehyde gas standard of not more than 0.08mg/m 3
Benzene gas standard of not more than 0.09mg/m 3
The carbon monoxide standard is not more than 30mg/m 3
pm2.5 standard is 24 hours average concentration less than 755 mug/m 3
The temperature and humidity are divided into summer and winter, the winter temperature is 18-24 ℃, the relative humidity is 30-80%, the summer temperature is 23-28 ℃ and the relative humidity is 30-60%.
An early warning unit comprising:
the loudspeaker is used for voice broadcasting and early warning, the decibel is 95 decibels, and the duration is 5-10 seconds;
the warning lamp is used for flashing light for early warning, the light color is red, the flashing is carried out for 5-10 times, and the flashing interval is 2 seconds.
Specifically, the environment detection platform retrieves environment detection data from the cloud server, analyzes and compares the collected environment detection data through the data processing unit, compares the received environment detection data with a preset data threshold value, and analyzes whether the concentration of the collected formaldehyde gas exceeds a preset threshold value standard of 0.08mg/m 3 Analyzing whether the concentration of the collected benzene gas exceeds a preset threshold standard of 0.09mg/m 3 Analyzing whether the concentration of the collected carbon monoxide gas exceeds a preset threshold standard of 30mg/m 3 Analyzing whether collected pm2.5 exceeds a preset threshold valueStandard 755. Mu.g/m 3 Analyzing whether the collected temperature and humidity exceeds a preset threshold standard, setting different standards according to summer and winter, setting the temperature of the winter to 18-24 ℃, the relative humidity to 30-80%, comparing all collected environment detection data one by one at the temperature of the summer to 23-28 ℃ and the relative humidity to 30-60%, if at least one item of data does not reach the standard, sending the abnormal data to the next instruction when the received environment detection data is compared with abnormal conditions, receiving the abnormal data by an early warning unit, confirming the abnormal data based on the data processing unit by the early warning unit, sending an alarm signal according to the abnormal data, namely playing sound by a loudspeaker, wherein the decibel of the sound played by the loudspeaker is 95 decibel, and sound broadcast lasts at 5-10 seconds, rethread warning light twinkling and early warning, twinkle red light through the warning light, twinkle for 2 seconds/time and twinkle 5-10 times with twinkling, above-mentioned sound and the early warning combination of light, can remind indoor people that toxic gas in the air probably has unusually, remind people in time to make the countermeasure and improve indoor air environment, simultaneously, the early warning unit can send the early warning SMS to terminal equipment, remind the homeowner not in the room through the early warning SMS, the homeowner of being convenient for in time master the condition of indoor air, the homeowner also accessible terminal equipment acquires the environmental detection number in the detection area in real time, the homeowner of being convenient for knows the concentration of harmful gas in each room in real time, and the gas concentration numerical value that surpasss the standard.
The embodiment provides a building intelligent indoor air environmental pollution early warning system, the environmental detector includes:
the region labeling unit is used for labeling the region of the detection region, acquiring a region label of the detection region based on a labeling result, and simultaneously acquiring data address information of the detection region corresponding to the environment detector;
the node establishing unit is used for establishing a data receiving node based on the area label of the detection area and the data address information of the environment detector corresponding to the detection area, and simultaneously, establishing a data summarizing node;
the branch acquisition unit is used for acquiring a data transmission branch between the environment detector corresponding to the detection area and the data summarizing node based on the data receiving node and the data summarizing node;
the distributed storage network acquisition unit is used for summarizing the data transmission branches to obtain a distributed storage network, and simultaneously, a first data filtering window is arranged in each data transmission branch and a second data filtering window is arranged in a data summarizing node;
a first filter unit for:
reading the sub-environment detection data detected by the environment detector based on the detection area corresponding to the first data filtering window, determining the data type of the sub-environment detection data, and determining the reference data type based on the environment detector;
first comparing the data type of the sub-environment detection data with a reference data type;
when the data type of the sub-environment detection data is consistent with the reference data type, the sub-environment detection data is not subjected to first filtering;
otherwise, performing first filtering on the sub-environment detection data based on the first data filtering window;
a second filter unit for:
transmitting the filtered sub-environment detection data to a data summarizing node based on a distributed storage network to summarize, obtaining first target environment detection data, and determining a data change interval of the first target environment detection data;
performing second filtering on the first target environment detection data which does not accord with the data change interval in the first target environment detection data based on a second filtering window of the data summarizing node to obtain second target environment detection data;
and the data storage unit is used for transmitting the second target environment detection data to the cloud server for storage.
In this embodiment, the region labeling may be performed by calibrating the region position of the detection region, for example, by labeling serial numbers and the like;
in this embodiment, the region tag may be an identification determined based on the labeling result to distinguish from other detection regions.
In this embodiment, the data address information may be a source address of the data after the environment detector detects the data.
In this embodiment, the data receiving node may be configured to receive the sub-environment detection data detected by each detection area, where one detection area corresponds to one data receiving node.
In this embodiment, the data summarization node may be configured to summarize the sub-environment detection data received by each data receiving node.
In this embodiment, a data transmission branch between the corresponding environment detector and the data summarizing node, i.e. a data receiving node and the data summarizing node construct a data transmission link
In this embodiment, the data type of the sub-environment detection data may be a data type corresponding to the sub-environment detection data, for example: temperature, humidity, formaldehyde, etc.
In this embodiment, the reference data type may be a reference data type determined based on a detection type of the environment detector, for example, the detection type of the environment detector is humidity detection, and the output reference data type is humidity data.
In this embodiment, the first comparison of the data type of the sub-environment detection data with the reference data type is that the data which does not conform to the reference data type in the sub-environment detection data is removed, and because the obtained data is relatively complex, there may be data of an irrelevant type mixed in the sub-environment detection data, for example, the reference data type is temperature, humidity, carbon monoxide, formaldehyde, etc., but the sub-environment detection data has current data, voltage data, etc. in the data type, and at this time, the current data, the voltage data, etc. need to be removed.
In this embodiment, the first target environment detection data may be obtained by first filtering and summarizing sub-environment detection data in each data transmission branch.
In this embodiment, the first data filtering window may be means for filtering sub-environment detection data that does not conform to the reference data type.
In this embodiment, the second data filtering window may be means for filtering the first target environment detection data that does not conform to the data change interval.
In this embodiment, the data change interval may be a maximum environmental data threshold and a minimum environmental data threshold that can be reached by the first target environmental detection data indoors, which are set in advance.
In this embodiment, the second target environment detection data may be environment detection data obtained by performing the second filtering on data that does not conform to the data change interval in the first target environment detection data.
The working principle and the beneficial effects of the technical scheme are as follows: through determining the regional label and the data address information of the detection region, thereby can effectively establish data receiving node and data summarizing node, thereby through the data transmission branch road between data receiving node and the data summarizing node, thereby effectively determine distributed storage network, realize the accurate summarizing to environment detection data, through determining first filtration, realize the data arrangement to the sub-environment detection data in each data transmission branch road, thereby improved the data filtration efficiency of data summarizing node, realize the filtration to inaccurate environment detection data through the second filtration, thereby be favorable to guaranteeing the accuracy of the environment detection data transmitted to cloud server, be favorable to the analysis efficiency to environment detection data based on cloud service.
The embodiment provides a building intelligent indoor air environmental pollution early warning system, environment detection platform includes:
the ventilation position acquisition unit is used for acquiring the current indoor ventilated position and determining the corresponding ventilation area of each ventilated position when the environmental quality in the detection area does not reach the standard;
a first calculation unit for calculating an air flow factor in a current room based on the ventilation area;
Figure BDA0004127811380000141
wherein phi represents the current indoor air flow factor; delta represents a constant and takes a value of 1.89; i represents a serial number corresponding to the current ventilated position in the room; n represents the total number of ventable positions in the room; s is(s) i Representing a ventilation area corresponding to the ith ventilated position;
a second calculation unit for calculating a ventilation rate in a ventilation state in the room based on an air flow factor in the current room;
Figure BDA0004127811380000142
wherein V represents the ventilation rate in the chamber in the ventilation state; delta 1 The flow coefficient is represented, and the value is 0.64; delta 2 The comprehensive wind efficiency coefficient is represented, and the value is 0.09; g represents gravitational acceleration; Δt represents a numerical difference between the indoor and outdoor environments; t (T) 0 A numerical value corresponding to the indoor environment data; h represents the vertical distance of the ventilation position from the ground; mu represents the outdoor wind speed;
a target time acquisition unit for evaluating a target time required when the current indoor is restored to the environmental quality reaching the standard, based on the ventilation rate of the indoor in the ventilation state;
the device starts the judging unit, is used for:
acquiring a time threshold value, comparing the target time with the time threshold value, and judging whether the air purifying device needs to be started or not;
when the target time is less than or equal to the time threshold, judging that the air purifying device does not need to be started;
otherwise, the air purifying device is started.
In this embodiment, the ventable location may be a location where an indoor window, door, or the like may be ventilated.
In this embodiment, the time threshold may be a pre-set criterion for measuring whether or not activation of the air cleaning device is required.
In this embodiment, the indoor environment data may be an environment data type causing an substandard environment when the environmental quality in the detection area is substandard, such as: formaldehyde data, benzene gas data, carbon monoxide data, pm2.5 data, and temperature and humidity data.
In this embodiment, the air flow factor may be a parameter that affects air flow determined based on wind speed, ventilation area, etc.
The working principle and the beneficial effects of the technical scheme are as follows: the ventilation rate in the indoor ventilation state is calculated accurately by calculating the air flow factor in the current room, so that the target time required by the current room to recover to the environment quality reaching the standard can be estimated accurately, whether the air purification device needs to be started or not is determined through the time threshold, the air environment quality reaching the standard in the indoor within a specified time is guaranteed, and the indoor environment health is guaranteed.
The application method of the intelligent indoor air environmental pollution early warning system for the building comprises the following steps:
the environment detection devices are respectively distributed in detection areas of indoor rooms, environment data in the detection areas are collected by utilizing various sensors, so that environment detection data are obtained, the collected environment detection data are transmitted to a cloud server, and the cloud server stores the received environment detection data;
the environment detection platform acquires stored environment detection data from the cloud server, processes the acquired environment detection data through the data processing unit, analyzes and compares the received environment detection data, compares the received environment detection data with a preset data threshold value, analyzes whether the environment quality in a detection area meets the standard according to the environment detection data, and if the environment quality does not meet the standard, the abnormal data is sent to the next instruction when the abnormal condition is compared, and an early warning signal is sent;
the early warning unit confirms abnormal data conditions in the data processing unit and sends out an alarm signal, the sound with the duration of 95 dB is played for 5-10 seconds through the loudspeaker, the alarm is carried out by flashing red lamplight for 5-10 times through the alarm lamp, and meanwhile, an early warning prompt message is sent to the terminal equipment.
Working principle: the environment detector is deployed in a detection area of an indoor room, the environment detector detects the indoor air environment through a detection unit, the detection unit acquires indoor air environment detection data through various sensors, the detected and collected environment detection data are transmitted to the cloud server, the cloud server stores the environment detection data, the environment detection data are conveniently called from the cloud server by the environment detection platform for analysis and comparison, the environment detection data are called from the cloud server by the environment detection platform, the collected environment detection data are analyzed and compared by the environment detection platform through a data processing unit, the received environment detection data are compared with a preset data threshold value, after all the collected environment detection data are compared one by one, if at least one item of data does not reach the standard, the abnormal condition occurs when the received environment detection data are compared, the abnormal data is sent to the next instruction, the early warning unit receives the abnormal data, the early warning unit confirms the abnormal data based on the data processing unit, and sends out an alarm signal according to the abnormal data, namely, a 95 dB sound is played by a loudspeaker and lasts for 5-10 seconds, then red light is flash by the alarm lamp, the flash light is 2 seconds/time and flashes for 5-10 times, through the early warning combination of the sound and the light, the toxic gas in the indoor air can be well reminded, the people can be reminded of the abnormality, the people can be timely reminded of making countermeasures to improve the indoor air environment, meanwhile, the early warning unit can send an early warning short message to the terminal equipment, the homeowner who is not in the room is reminded through the early warning short message, the homeowner can conveniently master the condition of the indoor air in time, the homeowner can also timely acquire the environment detection number in the detection area through the terminal equipment, the concentration of harmful gases in each room in the room and the gas concentration value exceeding the standard are known in real time by homeowners.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.

Claims (10)

1. An intelligent indoor air environmental pollution early warning system of building, characterized by comprising:
the environment detector is deployed in a room in the detection area and is used for collecting environment detection data in real time and transmitting the collected environment detection data to the cloud server for storage;
the environment detection platform is used for acquiring the environment detection data from the cloud server, analyzing whether the environment quality in the detection area meets the standard according to the environment detection data, and sending early warning information to the terminal equipment if the environment quality does not meet the standard;
and the terminal equipment is used for receiving the early warning information of the environment detection platform and acquiring the environment detection number in the detection area in real time.
2. The intelligent indoor air environmental pollution early warning system of a building according to claim 1, wherein a plurality of environmental detectors are provided, the detection areas are distributed in each room unit on the positions in the detection areas, and the air environment in the detection areas is detected based on the plurality of environmental detectors.
3. The intelligent indoor air environmental pollution warning system of claim 1, wherein the environmental detector comprises:
the detection unit is used for detecting the indoor air environment, collecting indoor air environment detection data by using a sensor, and transmitting the collected air environment detection data to the cloud server for storage;
and the cloud server is used for receiving the air environment detection data acquired by the detection unit and storing the received environment detection data.
4. A building intelligent indoor air environmental pollution warning system according to claim 3, wherein said sensor comprises:
the formaldehyde sensor is used for detecting the concentration of formaldehyde gas in the indoor air environment;
the benzene sensor is used for detecting the concentration of volatile organic compounds benzene gas in the indoor air environment;
a carbon monoxide sensor for detecting a carbon monoxide gas concentration in an indoor air environment;
a PM2.5 sensor for detecting dust concentration in an indoor air environment;
and the temperature and humidity sensor is used for detecting the temperature and humidity in the indoor air environment.
5. The intelligent indoor air environmental pollution warning system of claim 1, wherein the environmental detection platform comprises:
the data processing unit is used for processing the environment detection data acquired by the environment detector, analyzing and comparing the received environment detection data, comparing the received environment detection data with a preset data threshold value, and sending the abnormal data to the next instruction when the received environment detection data is compared with the abnormal condition;
the early warning unit is used for confirming abnormal data conditions in the data processing unit, sending alarm signals and sending early warning short messages to the terminal equipment.
6. The intelligent indoor air environmental pollution warning system of claim 5, wherein the data threshold comprises:
formaldehyde gas standard of not more than 0.08mg/m 3
Benzene gas standard of not more than 0.09mg/m 3
The carbon monoxide standard is not more than 30mg/m 3
pm2.5 standard is 24 hours average concentration less than 755 mug/m 3
The temperature and humidity are divided into summer and winter, the winter temperature is 18-24 ℃, the relative humidity is 30-80%, the summer temperature is 23-28 ℃ and the relative humidity is 30-60%.
7. The intelligent indoor air environmental pollution warning system of claim 5, wherein the warning unit comprises:
the loudspeaker is used for voice broadcasting and early warning, the decibel is 95 decibels, and the duration is 5-10 seconds;
the warning lamp is used for flashing light for early warning, the light color is red, the flashing is carried out for 5-10 times, and the flashing interval is 2 seconds.
8. The intelligent indoor air environmental pollution warning system of claim 1, wherein the environmental detector comprises:
the region labeling unit is used for labeling the region of the detection region, acquiring a region label of the detection region based on a labeling result, and simultaneously acquiring data address information of the detection region corresponding to the environment detector;
the node establishing unit is used for establishing a data receiving node based on the area label of the detection area and the data address information of the environment detector corresponding to the detection area, and simultaneously, establishing a data summarizing node;
the branch acquisition unit is used for acquiring a data transmission branch between the environment detector corresponding to the detection area and the data summarizing node based on the data receiving node and the data summarizing node;
the distributed storage network acquisition unit is used for summarizing the data transmission branches to obtain a distributed storage network, and simultaneously, a first data filtering window is arranged in each data transmission branch and a second data filtering window is arranged in a data summarizing node;
a first filter unit for:
reading the sub-environment detection data detected by the environment detector based on the detection area corresponding to the first data filtering window, determining the data type of the sub-environment detection data, and determining the reference data type based on the environment detector;
first comparing the data type of the sub-environment detection data with a reference data type;
when the data type of the sub-environment detection data is consistent with the reference data type, the sub-environment detection data is not subjected to first filtering;
otherwise, performing first filtering on the sub-environment detection data based on the first data filtering window;
a second filter unit for:
transmitting the filtered sub-environment detection data to a data summarizing node based on a distributed storage network to summarize, obtaining first target environment detection data, and determining a data change interval of the first target environment detection data;
performing second filtering on the first target environment detection data which does not accord with the data change interval in the first target environment detection data based on a second filtering window of the data summarizing node to obtain second target environment detection data;
and the data storage unit is used for transmitting the second target environment detection data to the cloud server for storage.
9. The intelligent indoor air environmental pollution warning system of claim 1, wherein the environmental detection platform comprises:
the ventilation position acquisition unit is used for acquiring the current indoor ventilated position and determining the corresponding ventilation area of each ventilated position when the environmental quality in the detection area does not reach the standard;
a first calculation unit for calculating an air flow factor in a current room based on the ventilation area;
Figure FDA0004127811370000041
wherein phi represents the current indoor air flow factor; delta represents a constant and takes a value of 1.89; i represents a serial number corresponding to the current ventilated position in the room; n represents the indoor abilityThe total number of ventilation positions; s is(s) i Representing a ventilation area corresponding to the ith ventilated position;
a second calculation unit for calculating a ventilation rate in a ventilation state in the room based on an air flow factor in the current room;
Figure FDA0004127811370000042
wherein V represents the ventilation rate in the chamber in the ventilation state; delta 1 The flow coefficient is represented, and the value is 0.64; delta 2 The comprehensive wind efficiency coefficient is represented, and the value is 0.09; g represents gravitational acceleration; Δt represents the difference in the values of the indoor and outdoor environments: t (T) 0 A numerical value corresponding to the indoor environment data; h represents the vertical distance of the ventilation position from the ground; mu represents the outdoor wind speed;
a target time acquisition unit for evaluating a target time required when the current indoor is restored to the environmental quality reaching the standard, based on the ventilation rate of the indoor in the ventilation state;
the device starts the judging unit, is used for:
acquiring a time threshold value, comparing the target time with the time threshold value, and judging whether the air purifying device needs to be started or not;
when the target time is less than or equal to the time threshold, judging that the air purifying device does not need to be started;
otherwise, the air purifying device is started.
10. A method for using the intelligent indoor air environmental pollution warning system of building according to claims 1-9, characterized by comprising the following steps:
the environment detection devices are respectively distributed in detection areas of indoor rooms, environment data in the detection areas are collected by utilizing various sensors, so that environment detection data are obtained, the collected environment detection data are transmitted to a cloud server, and the cloud server stores the received environment detection data;
the environment detection platform acquires stored environment detection data from the cloud server, processes the acquired environment detection data through the data processing unit, analyzes and compares the received environment detection data, compares the received environment detection data with a preset data threshold value, analyzes whether the environment quality in a detection area meets the standard according to the environment detection data, and if the environment quality does not meet the standard, the abnormal data is sent to the next instruction when the abnormal condition is compared, and an early warning signal is sent;
the early warning unit confirms abnormal data conditions in the data processing unit and sends out an alarm signal, the sound with the duration of 95 dB is played for 5-10 seconds through the loudspeaker, the alarm is carried out by flashing red lamplight for 5-10 times through the alarm lamp, and meanwhile, an early warning prompt message is sent to the terminal equipment.
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