CN112964313A - Indoor environment monitoring system based on single-chip microcomputer - Google Patents

Indoor environment monitoring system based on single-chip microcomputer Download PDF

Info

Publication number
CN112964313A
CN112964313A CN202110456553.8A CN202110456553A CN112964313A CN 112964313 A CN112964313 A CN 112964313A CN 202110456553 A CN202110456553 A CN 202110456553A CN 112964313 A CN112964313 A CN 112964313A
Authority
CN
China
Prior art keywords
module
monitoring
chip microcomputer
indoor environment
single chip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110456553.8A
Other languages
Chinese (zh)
Inventor
王小润
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui University of Science and Technology
Original Assignee
Anhui University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui University of Science and Technology filed Critical Anhui University of Science and Technology
Priority to CN202110456553.8A priority Critical patent/CN112964313A/en
Publication of CN112964313A publication Critical patent/CN112964313A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

The invention discloses an indoor environment monitoring system based on a single chip microcomputer, which comprises a single chip microcomputer control module, a data acquisition module, a parameter output module, a data storage module, an intelligent APP control module, a power module and other modules, can realize online real-time monitoring on the temperature, the humidity, the combustible gas concentration, the illumination intensity, the carbon dioxide concentration, the formaldehyde concentration, the PM2.5 and the like of an indoor environment, can realize monitoring, alarming and controlling of indoor main air indexes and automatically adopt the indoor environment improvement, and has the advantages of strong real-time performance, high safety, accurate measurement, good interactivity, simple operation, wide application range and the like.

Description

Indoor environment monitoring system based on single-chip microcomputer
Technical Field
The invention relates to monitoring of indoor environmental parameters, in particular to an indoor environment monitoring system based on a single chip microcomputer.
Background
About eighty percent or even more of the life of a person is indoor activities including work, study, rest and the like, and the indoor activities of people such as old, young, sick and disabled are longer. The indoor air quality has great influence on the health problems of people, and even directly influences the healthy growth of children and the continuous development of human beings. Therefore, real-time monitoring of indoor environments is particularly important to people.
At present, the monitoring of the indoor environment is mainly realized by monitoring specific environmental indexes in a certain time by professional technicians, the time and labor are wasted, the monitoring project is single, the monitoring real-time performance is poor, the operation automation degree is relatively low, the monitoring indexes in a period of time can be artificially judged, the evaluation of environmental comfort level can not be carried out in real time, the human health event is harmed to carry out early warning, and certain improvement measures are taken. Therefore, a comprehensive indoor environment monitoring system which can realize real-time monitoring of indoor environment, timely know various parameters of the indoor environment and take certain measures to improve the indoor environment is invented in time.
Disclosure of Invention
(I) solving the technical problem
Aiming at the defects of the prior art, the invention provides an indoor environment monitoring system based on a single chip microcomputer, which realizes the comprehensive monitoring and control of indoor environment parameters and solves the problems that the existing indoor environment monitoring technology is time-consuming and labor-consuming, single in monitoring project, poor in real-time performance, low in automation degree, incapable of early warning human health hazards, incapable of monitoring the environment parameters in real time and incapable of taking certain improvement measures.
(II) technical scheme
In order to achieve the purpose, the indoor environment monitoring system based on the single chip microcomputer in the scheme comprises a single chip microcomputer control module, a data acquisition module, a data output module, a data storage module, an intelligent APP module, a Wi-Fi module, a power supply module and the like; the data acquisition module comprises a data sending module, a temperature and humidity monitoring module, a combustible gas concentration monitoring module, an illumination intensity monitoring module, a CO2 monitoring module, a formaldehyde monitoring module and a PM2.5 monitoring module; the data output module mainly comprises an LCD display module, an alarm module, a driving module, an N20 speed reducing motor, a curtain and a fresh air fan.
The single chip microcomputer control module receives and processes monitoring data of each monitoring module sent by the data sending module, displays the monitoring data through the LCD display module, judges whether the alarm module and the driving module are started or not at the same time, and stores the monitoring data in the data storage module;
the data storage module is used for storing each monitored parameter of the indoor environment;
the data acquisition module and the Wi-Fi module are connected with the single chip microcomputer control module through Flexible Printed Circuit (FPC) cables;
the intelligent APP module can be arranged at a mobile phone or a PC end and is used for a user to acquire environmental parameters or issue an instruction to control the single-chip microcomputer control module;
the power supply module supplies power to each module by using the USB extension line according to the requirement of the power supply voltage of each module, so that the stability of the voltage is ensured, the data is prevented from being interrupted and missed, and the collected data is more comprehensive and concrete;
the Wi-Fi module is accessed to the intelligent cloud platform, adds a networking function to the monitoring equipment, and can send monitoring information to a mobile phone or a PC (personal computer) terminal indirectly after being bound with the intelligent APP module, so that man-machine friendly interaction is realized;
the temperature and humidity acquisition module is used for monitoring the temperature and humidity of the indoor environment and sending data to the single chip microcomputer control module through the data sending module;
the combustible gas monitoring module is used for monitoring the concentration of combustible gas in the indoor environment and sending data to the single-chip microcomputer control module through the data sending module;
the illumination intensity monitoring module is used for monitoring the illumination intensity of the indoor environment and sending data to the single chip microcomputer control module through the data sending module;
the CO2 monitoring module is used for monitoring the carbon dioxide concentration of the indoor environment and sending data to the singlechip control module through the data sending module
The formaldehyde monitoring module is used for monitoring the formaldehyde concentration of the indoor environment and sending data to the single-chip microcomputer control module through the data sending module;
the PM2.5 monitoring module is used for monitoring the dust concentration of the indoor environment and sending data to the single-chip microcomputer control module through the data sending module;
the LCD display module is used for digitally displaying various parameters processed by the singlechip;
the alarm module is used for giving an alarm, prompting to alarm the abnormal index of the indoor environment of the resident, or prompting the user to take a processing action in time;
the driving module is used for driving the N20 speed reducing motor and the fresh air fan to realize control of the communication state of the indoor environment and the external environment;
the N20 speed reducing motor is used for opening and closing the curtain and adjusting indoor illumination;
the curtain is controlled by an N20 speed reducing motor, the motor forwards transmits the curtain to be pulled up, and the motor reversely rotates to open the curtain;
the new fan is controlled by the driving module, and ventilation is used for adjusting parameters such as indoor combustible gas concentration, CO2 concentration, formaldehyde, PM2.5 and the like when the new fan is started.
(III) advantageous effects
The invention provides an indoor environment monitoring system based on a single chip microcomputer, which has the following beneficial effects compared with the prior art:
(1) this indoor environmental monitoring system based on singlechip uses STM32F407 as control core, combines sensor monitoring, and monitoring project is abundant, but real-time supervision has improved monitoring technology's degree of automation, can carry out the early warning to endangering the health incident, real-time supervision environmental parameter to take the problem of certain improvement measure. (2) The indoor environment monitoring system based on the single chip microcomputer is convenient to install, easy to maintain, easy to operate and low in power consumption, and is suitable for all people with independent behavior ability.
(3) This indoor environment monitoring system based on singlechip passes through Wi-Fi module access intelligence cloud platform, and the user only needs to bind the APP through the visit and just can obtain current indoor environment situation at any time, does to assign instruction control drive module through the APP, adjusts indoor environment.
Drawings
Fig. 1 is a block diagram of an indoor environment monitoring system with a single chip microcomputer provided by the invention.
Fig. 2 is a structure view of the curtain brake provided by the invention.
In the figure, 1, a single chip microcomputer control module, 2, a data acquisition module, 3, a data sending module, 4, a data output module, 5, a data storage module, 6, an intelligent APP module, 7, a power supply module, 8, a temperature and humidity monitoring module, 9, a combustible gas concentration monitoring module, 10, an illumination intensity monitoring module, 11, a CO2 monitoring module, 12, a formaldehyde monitoring module, 13, a PM2.5 monitoring module, 14, an LCD display module, 15, an alarm module, 16, a driving module, 17, a Wi-Fi module, 18, an N20 speed reduction motor, 19, a curtain, 20, a new fan, 21, a belt pulley, 22, a steel wire, 23, a clamp and 24 are used for a curtain track.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Indoor environment monitoring system based on singlechip, as shown in figure 1: the intelligent APP intelligent control system comprises a single-chip microcomputer control module 1, a data acquisition module 2, a data output module 4, a data storage module 5, an intelligent APP module 6, a power supply module 7 and the like; the data acquisition module comprises a data sending module 3, a temperature and humidity acquisition module 8, a combustible gas concentration monitoring module 9, an illumination intensity monitoring module 10, a CO2 monitoring module 11, a formaldehyde monitoring module 12 and a PM2.5 monitoring module 13; the data output module mainly comprises an LCD display module 14, an alarm module 15 and a driving module 16.
The connecting lines between the single chip microcomputer control module 1 and the modules such as the data sending module 3, the Wi-Fi module 7 and the like are connected by FPC (flexible printed circuit) flat cables, namely the connecting lines between the temperature and humidity monitoring module 8, the combustible gas concentration monitoring module 9, the illumination intensity monitoring module 10, the CO2 monitoring module 11, the formaldehyde monitoring module 12, the PM2.5 monitoring module 13 and the single chip microcomputer control module 1 are connected by FPC flat cables, and the welding head is small and the flat cables can be bent; the Wi-Fi module 7 is in wireless connection with the intelligent APP module; the N20 speed reducing motor 18 and the fresh air fan 20 are connected with the driving module through flexible wires; and the modules are connected with the power supply module by adopting a USB extension line.
The data storage module 5 is used for storing the monitoring data from the single chip microcomputer control module 1 so as to be convenient for a user to read, and the memory size of the memory card is selected to be 32G.
The intelligent APP module 6 is in wireless connection with the single-chip microcomputer control module 1 through the Wi-Fi module 17, and a user can call data through a networking user end at any time to obtain various parameters of the current indoor environment. If the automatic control of the environment monitoring system goes wrong, the user can also issue an instruction to adjust indoor environment measures through the intelligent APP.
The Wi-Fi module 17 adopts a USB-to-ESP 8266 Wi-Fi module, supports a standard IEEE802.11b/g/n protocol, has a complete TCP/IP protocol stack, can add a networking function to the existing equipment, and can also construct an independent network controller. In the invention, the Wi-Fi module 17 can be connected with a mobile phone hotspot and a household Wi-Fi network to realize networking, monitored data of the single-chip microcomputer control module 1 is sent to the smart cloud through the Wi-Fi module 17 through equipment configuration, the intelligent APP module 6 is bound with the Wi-Fi module 17 and realizes indirect connection with the single-chip microcomputer control module 1 through accessing the smart cloud, and the intelligent APP module 6 can read monitoring information received and stored by the single-chip microcomputer control module 1 to realize man-machine interaction.
Temperature and humidity monitoring module 8 connects data transmission module, and temperature and humidity monitoring module 8 is arranged in obtaining the humiture in the current monitoring environment in real time, carries out analog-to-digital conversion with the analog signal who gathers, then sends to single chip microcomputer control module 1 through data transmission module 3, carries out signal processing through the singlechip, shows through LCD display module 14 to whether alarm module 15 and drive module 16 open in the threshold value of inside setting carries out the comparison judgement. The temperature and humidity monitoring module 8 can monitor the temperature and the humidity of the environment by using the existing digital sensor, and the DHT22 digital sensor is selected.
The combustible gas concentration monitoring module 9 is connected with the data sending module, the combustible gas concentration monitoring module 9 is used for acquiring the combustible gas concentration in the current monitoring environment in real time, the acquired signals are sent to the single-chip microcomputer control module 1 through the data sending module 3, the signals are processed through the single-chip microcomputer and displayed through the LCD display module 14, the threshold value set inside the combustible gas concentration monitoring module is compared to judge whether the alarm module 15 and the driving module 16 are started or not, and the driving module 16 drives the new fan 20 or not. The combustible gas concentration module 9 can monitor the environment combustible gas concentration by using an MQ series smoke sensor, and an MQ-2 type smoke sensor is selected.
Illumination intensity monitoring module 10 connects data sending module 3, and illumination intensity monitoring module 10 is used for obtaining the illumination of current monitoring environment in real time, sends the signal to single chip microcomputer control module 1 through data sending module 3, carries out signal processing through single chip microcomputer control module 1, carries out signal processing through the singlechip, grades the illumination signal intensity of receiving, carries out grade display through LCD display module 14 to open drive module 16 drive N20 gear motor according to the index of different grades and pull open the (window) curtain. The illumination intensity module 10 can monitor the ambient illumination through a photosensitive sensor, and a photosensitive resistor is selected.
The CO2 monitoring module 11 is connected with the data sending module 3, the CO2 monitoring module 11 is used for monitoring the carbon dioxide concentration of the current environment in real time, the monitored data are sent to the single chip microcomputer control module 1 through the data sending module 3, the single chip microcomputer performs signal processing, the processed data are displayed through the LCD display module 14 and compared with an internal set threshold value, and whether the driving module 16 and the alarm module 15 are used for driving is judged. Exceeding the threshold raises an alarm and activates the drive module 16 to activate the new fan 20 for ventilation. The CO2 monitoring module can monitor the carbon dioxide concentration in the environment through a sensor, and an MH-Z19B carbon dioxide gas sensor is selected.
The formaldehyde monitoring module 12 is connected with the data sending module 3, the formaldehyde monitoring module 12 is used for monitoring the formaldehyde concentration of the current monitoring environment in real time, the monitored data are sent to the single chip microcomputer control module 1 through the data sending module 3, the single chip microcomputer performs signal processing, meanwhile, the monitored data are displayed through the LCD display module 14, and whether the driving module 16 and the alarm module 15 are started or not is judged. Exceeding the threshold value gives an alarm and a new fan 20 is turned on for ventilation. The formaldehyde monitoring module 12 can monitor the formaldehyde concentration in the environment through the use of a sensor, and the invention selects a ZE08-CH2O type electrochemical formaldehyde sensor.
The PM2.5 monitoring module 13 is connected with the data sending module 3, the PM2.5 monitoring module 13 is used for monitoring the PM2.5 content of the current environment in real time, the monitored data are sent to the single-chip microcomputer control module 1 through the data sending module 3, the single-chip microcomputer performs signal processing, the monitored data are displayed through the LCD display module 14, and comparison is performed on an internally set threshold value to judge whether the alarm module 15 and the driving module 16 are started to drive the new fan 20 to ventilate. The PM2.5 monitoring module 13 can monitor parameters such as PM2.5, PM1.0 and the like in the environment through an intelligent gas monitoring module or a sensor, and a ZH03A laser dust sensor is selected.
The data sending module 3 is used for receiving data from each monitoring module and sending the received data to the single chip microcomputer control module 1 for processing.
The single chip microcomputer control module 1 samples the temperature and humidity sensor value for 1 time every 1s, carries out analog-to-digital conversion on the data or carries out analog-to-digital conversion on the data and compares the data with a threshold, and when 10 times of continuous sampling exceed a set threshold, the driving module 16 and the alarm module 15 are automatically turned on or off, and STM32F103ZET6 in STM32 series single chip microcomputers is selected.
The LCD display module 14 is used for receiving the collected information from the single chip microcomputer control module 1, and faithfully reflecting the collected information to an LCD liquid crystal display screen to realize friendly man-machine interaction, wherein the LCD liquid crystal display screen can select TFLCD or ISPLCD, and the TFLCD screen is selected in the invention.
The alarm module 15 presets a standard air index threshold value suitable for a human body, receives a start and stop signal from the singlechip control module 1 once certain indoor air indexes exceed the threshold value, starts the alarm module when the certain indoor air indexes exceed the set threshold value, and sends out alarm information to remind an actor in the current indoor environment to take measures in time so as to avoid causing major accidents. The alarm module can adopt buzzer alarm, LED lamp flashing alarm or acousto-optic alarm combining the buzzer alarm and the LED lamp flashing alarm, and acousto-optic alarm is selected for this time.
The driving module 16 is used for receiving the start-stop signal of the single chip microcomputer control module 1, and when the start-stop signal exceeds a set threshold value, the driving module is started, a new fan 20 is started, the N20 speed reduction motor 19 is driven, indoor ventilation or curtain 19 dragging is carried out, and the indoor environment is improved.
The control algorithm of the single chip microcomputer control module 1 adopts a binary closed-loop control algorithm, which is mainly characterized in that a threshold value set by a user and real-time monitoring data of indoor environment parameters by sensors of all data acquisition modules are compared in the single chip microcomputer control module 1, and the driving module 16 is automatically turned on or off according to a comparison result to improve the indoor environment.
During the specific use, humiture monitoring module 8 carries out data acquisition through digital humiture sensor, because the sensor has the analog-to-digital conversion function can be at its inside analog quantity conversion digital quantity. After the single chip microcomputer control module 1 reads the signal transmitted by the data transmission module 2, the data is written into the LCD display module 14, and meanwhile, the obtained numerical value is compared with a preset temperature and humidity threshold value, and the threshold value is set according to relevant standards and is determined by combining with a proper temperature and humidity range in winter and summer: the temperature is 16 ℃ to 28 ℃, and the relative humidity is 40% to 60%. An alarm is activated when the monitored data exceeds a threshold. When the value monitored next time is within the preset critical value, the alarm is released, and the driving module is closed.
Two problems need to be considered when the combustible gas concentration monitoring module 9 collects information, namely normal use of the gas kitchen ware and sudden accident (gas leakage). When the sensor monitors that gas leaks, monitoring information is received by the single chip microcomputer control module 1, analog information is processed and converted into digital information, the digital information is displayed through the LCD display module 14, and meanwhile, the analog information is compared with a safety threshold value in the single chip microcomputer. If the threshold value is smaller than the measured value, data acquisition is carried out again, the measured combustible gas concentration is compared with the threshold value, if the size and the relation between the measured value and the threshold value are changed, the situation that the combustible gas concentration detected in the last monitoring is a short-time controllable situation that some influences or a small amount of leakage is generated in a moment when the kitchenware is normally ignited is explained, the system continues monitoring, if the threshold value (1.5%) is still lower than the detection value, the single-chip microcomputer control module 1 drives the alarm module 15, alarm information is sent out to prompt people to close the valve and open a new fan 20 to ventilate and other measures to reduce the indoor combustible gas concentration in time, and accidents are avoided. The alarm is deactivated when the threshold value is higher than the detected value.
When illumination intensity monitoring module 10 moves, carry out the light intensity monitoring to current indoor environment through illumination intensity sensor, monitoring signal passes through data transmission module 3 and sends to single chip microcomputer control module 1, by single chip microcomputer control module 1 with the light intensity classification to real-time supervision data to show through LCD display module 14, single chip microcomputer control module 1 is inside according to the grade analysis, pass through drive module drive N20 gear motor 16 according to the demand, carry out the control of (window) curtain 19, pull open or close.
The CO2 monitoring module monitors carbon dioxide in the current indoor environment through a carbon dioxide sensor, and sends monitored data to the single chip microcomputer control module 1 through the data sending module 3 in real time, the single chip microcomputer control module 1 processes the data, threshold comparison is carried out while displaying through the LCD display module 14, if the threshold is exceeded, the alarm module 15 is started to give an alarm, and the driving module 16 is started to open the ventilation fan.
The formaldehyde monitoring module 12 monitors the formaldehyde concentration in the current indoor environment through a formaldehyde concentration sensor, sends the formaldehyde concentration to the single chip microcomputer control module 1 through the data sending module 3 in real time, processes the data through the single chip microcomputer control module 1, compares the data with a threshold value, judges whether the alarm module 15 is started or not, and displays the data through the LCD display module 14.
PM2.5 monitoring module 13 monitors PM2.5 in the environment of the year ago through the dust concentration sensor, and single chip microcomputer control module 1 reads monitoring information through data transmission module 2, processes the signal in it, judges whether to open drive module 16 and open new fan 20 for air purification, and shows through LCD display module 14.
The information of all monitoring module monitoring can all be saved after handling through single chip microcomputer control module, and the user can look over current environmental state through intelligent APP simultaneously, acquires real-time supervision information.
As shown in figure 2, the clip 22 is fixed on the steel wire 21, the N20 low-speed motor 18 is installed at one side of the curtain rail 24, the clip 22 is clipped at the end of the curtain 19 farthest from the N20 low-speed motor 18, the driving module 16 starts the N20 low-speed motor 18 to work, the motor 18 positively drives the curtain 19 to open, and the motor reversely drives the curtain 19 to close. The rotating speed of the N20 reducing motor is 230 r/min, and the motor moving time is customized according to the length of the curtain rail 24.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides an indoor environmental monitoring system based on singlechip which characterized in that: the system comprises a single-chip microcomputer control module (1), a data acquisition module (2), a parameter output module (4), a data storage module (5), an intelligent APP module (6), a power module (7), a WiFi module (17) and the like, wherein the data acquisition module (2) comprises a data sending module (3), a temperature and humidity acquisition module (8), a combustible gas concentration monitoring module (9), an illumination intensity monitoring module (10), a formaldehyde detection module (11) and a PM2.5 monitoring module (12); the data output module (4) mainly comprises an LCD display module (14), an alarm module (15), a driving module (16), an N20 speed reducing motor (18), a curtain (19) and a fresh air fan (20).
2. The indoor environment monitoring system based on the single chip microcomputer is characterized in that the data acquisition module (2) and the WiFi module (17) are connected with the single chip microcomputer control module (1) through FPC (flexible printed circuit) cables. The single-chip microcomputer control module (1) can be indirectly connected with the intelligent APP module (6) through the WiFi module (17), and a user can access the APP through networking to acquire real-time monitoring information.
3. The indoor environment monitoring system based on the single chip microcomputer according to claim 1, characterized in that the single chip microcomputer control module takes STM32F407 as a control core.
4. The indoor environment monitoring system based on the single chip microcomputer is characterized in that the temperature and humidity acquisition module (8) is used for monitoring the temperature and humidity of an indoor environment, and a DHT22 digital sensor is selected as the sensor; the combustible gas monitoring module (9) is used for monitoring the concentration of combustible gas in the indoor environment, and the sensor is an MQ-2 type smoke sensor; the illumination intensity monitoring module (10) is used for monitoring the illumination intensity of the indoor environment, and the sensor is a photoresistor; the CO2 detection module (11) is used for monitoring the carbon dioxide concentration of the indoor environment, and the sensor is an MH-Z19B carbon dioxide gas sensor; the formaldehyde detection module (12) is used for monitoring the formaldehyde concentration of the indoor environment, and the sensor is a ZE08-CH2O type electrochemical formaldehyde sensor; and the PM2.5 monitoring module (13) is used for monitoring the dust concentration of the indoor environment, and the ZH03A laser dust sensor is selected as the sensor.
5. The indoor environment monitoring system based on the single chip microcomputer according to claim 2 is characterized in that the LCD display module (14) adopts a TFLCD screen for carrying out digital display on each signal processed by the single chip microcomputer, the alarm module (15) adopts an acousto-optic alarm for sending out alarm information, and the driving module (16) implements measures for improving indoor environment by driving the N20 speed reducing motor (19) and starting the new fan (20).
6. The indoor environment monitoring system based on the single chip microcomputer according to claim 2, wherein an N20 speed reducing motor is fixed at one end of a curtain rail (24), a belt pulley (21) is connected to the N20 speed reducing motor (18), and a clip (23) is fixed on a steel wire (22).
CN202110456553.8A 2021-04-27 2021-04-27 Indoor environment monitoring system based on single-chip microcomputer Pending CN112964313A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110456553.8A CN112964313A (en) 2021-04-27 2021-04-27 Indoor environment monitoring system based on single-chip microcomputer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110456553.8A CN112964313A (en) 2021-04-27 2021-04-27 Indoor environment monitoring system based on single-chip microcomputer

Publications (1)

Publication Number Publication Date
CN112964313A true CN112964313A (en) 2021-06-15

Family

ID=76281229

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110456553.8A Pending CN112964313A (en) 2021-04-27 2021-04-27 Indoor environment monitoring system based on single-chip microcomputer

Country Status (1)

Country Link
CN (1) CN112964313A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116052406A (en) * 2023-04-03 2023-05-02 承德泰宇热控工程技术有限公司 Remote intelligent meter reading system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116052406A (en) * 2023-04-03 2023-05-02 承德泰宇热控工程技术有限公司 Remote intelligent meter reading system

Similar Documents

Publication Publication Date Title
CN205940640U (en) Indoor air quality detection alarm
CN102385376A (en) Safe and intelligent regulating system for home environment
CN112964313A (en) Indoor environment monitoring system based on single-chip microcomputer
CN201182024Y (en) Illumination electricity-saving eye-protection device
CN205897458U (en) Indoor environment control system based on single chip microcomputer
CN203083077U (en) Intelligent humidifier
CN207131249U (en) The control device and system of intelligent window
CN216770665U (en) Indoor environment monitoring system based on single-chip microcomputer
CN206671927U (en) A kind of Intelligent Indoor Air management system for monitoring
CN210639447U (en) Intelligent device of remote control (window) curtain
CN210573451U (en) Farm environment monitoring system
CN111964200A (en) Intelligent humidifier control system based on single chip microcomputer
CN210033217U (en) Intelligent shutter system
CN206862992U (en) A kind of health nurse equipment with night-light and indoor air chemical pollution function
CN105629914A (en) LPC2132 single-chip microcomputer-based closed henhouse environment control system
CN211927763U (en) Indoor environment remote monitoring device
CN203275251U (en) Smoke detecting and ventilating device of highway tunnel
CN212460344U (en) STM 32-based intelligent bathroom air detection system
CN210268713U (en) Intelligent environment monitoring device and system
CN210864345U (en) Environment automated inspection regulation and control equipment
CN211044041U (en) Environment control system of greenhouse
CN202432650U (en) Intelligent energy-saving controller of air conditioner
CN204203748U (en) Based on the closed environment of chicken house control system of LPC2132 single-chip microcomputer
CN202421842U (en) Safety intelligent regulating system for home environments
CN203331776U (en) Bus air conditioner controlling device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination