CN110631217A - Indoor heating and ventilation environment wireless control system and method based on Internet of things cloud platform - Google Patents

Indoor heating and ventilation environment wireless control system and method based on Internet of things cloud platform Download PDF

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Publication number
CN110631217A
CN110631217A CN201911061854.XA CN201911061854A CN110631217A CN 110631217 A CN110631217 A CN 110631217A CN 201911061854 A CN201911061854 A CN 201911061854A CN 110631217 A CN110631217 A CN 110631217A
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China
Prior art keywords
value
preset
gear
tvoc
monitoring sensor
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CN201911061854.XA
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Chinese (zh)
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CN110631217B (en
Inventor
郭金成
雷维
邓福华
袁儒仲
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CHONGQING HAIRUN ENERGY-SAVING TECHNOLOGY Co.,Ltd.
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Haun New Wind (chongqing) Intelligent Technology Co Ltd
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Priority to CN201911061854.XA priority Critical patent/CN110631217B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/66—Volatile organic compounds [VOC]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide

Abstract

The invention provides an indoor heating and ventilation environment wireless control system and method based on an Internet of things cloud platform, wherein the system comprises K wireless temperature sensors arranged indoors, wherein K is a positive integer, and each wireless temperature sensor comprises a temperature sensor and a temperature sensor wireless transceiving module connected with the temperature sensor; and the wireless sensing controller comprises a sensing controller, a wireless transceiver module of the sensing controller and a temperature and humidity sensor which are respectively connected with the sensing controller. According to the temperature and humidity control system, the opening and closing of the electric water valve can be adjusted according to the temperature data acquired by the temperature sensor and the temperature and humidity data acquired by the temperature and humidity sensor, and the moisture condensation is prevented to improve the indoor environment quality and enhance the user experience.

Description

Indoor heating and ventilation environment wireless control system and method based on Internet of things cloud platform
Technical Field
The invention relates to the technical field of indoor dew point temperature, in particular to an indoor heating and ventilation environment wireless control system and method based on an internet of things cloud platform.
Background
As is well known, 2020 is a time node for comprehensively implementing the "BIM" technology, and is also a node for the vigorous development of the fabricated building. The intelligent ventilation industry is met with necessary upgrading opportunities, the traditional intelligent ventilation wired joint control system cannot meet the development requirements of the assembly era, a wireless control system must be established to form an indoor assembled wireless intelligent system, meanwhile, a wired centralized monitoring system can be eliminated, indoor air environment parameters are wirelessly and remotely transmitted to a cloud platform, and remote centralized control is achieved. The current outdoor environment current situation shows that the concentration of pollutants exceeds the standard, the outdoor air quality harms the physical and mental health of people to a certain extent, and in order to solve the dilemma, people focus on the construction of indoor high-quality air environment, and in addition, the indoor temperature and humidity are also marks for measuring the quality of life. Through years of research and development and application accumulation, the department refines an effective and reliable indoor air quality centralized control technology, upgrades an existing control system according to market demands, organically combines with user control demands according to different control scenes, integrates various control demands of an indoor air environment, and creates a higher-level intelligent, adaptive and diversified wireless control system.
Disclosure of Invention
The invention aims to at least solve the technical problems in the prior art, and particularly innovatively provides an indoor heating and ventilation environment wireless control system and method based on an Internet of things cloud platform.
In order to achieve the aim, the invention provides an indoor heating and ventilation environment wireless control system based on an internet of things cloud platform, which comprises K wireless temperature sensors arranged indoors, wherein K is a positive integer, and each wireless temperature sensor comprises a temperature sensor and a temperature sensor wireless transceiver module connected with the temperature sensor;
the sub wireless sensor controller comprises a sub sensor controller, a sub sensor controller wireless receiving and transmitting module and a temperature and humidity sensor which are respectively connected with the sub sensor controller;
the main wireless sensing controller comprises a main sensing controller and a main sensing controller wireless transceiving module connected with the main sensing controller;
indoor dew point temperature data monitored by the temperature sensor is transmitted to the wireless sensing controller through the temperature sensor wireless transceiver module, and the sensing controller receives the indoor dew point temperature data sent by the wireless temperature sensor through the sensing controller wireless transceiver module;
each sub-sensing controller sends the received indoor dew point temperature data and the temperature and humidity data collected by the temperature and humidity sensor to the main sensing controller, processes and compares the data, and sends control signals to an electric water valve and a new/exhaust fan which are arranged on a main road or a branch road of the water distributor/collector; or/and the sensor controller uploads the received data to the cloud platform through a wired or wireless mode. If the selected new fan is detected, the new fan independently adjusts and operates, if the selected exhaust fan is detected, the exhaust fan independently adjusts and operates, and if the selected new fan and the selected exhaust fan are detected, the new fan and the exhaust fan are in linkage adjustment and operate.
In a preferred embodiment of the present invention, the main sensor controller or the sub sensor controller includes a housing, a display screen or a touch display screen and M keys are disposed on a surface of the housing, where M is a positive integer, the housing is provided with a controller, a display output end of the controller is connected to a display input end of the display screen or the touch display screen, and a touch signal output end of the touch display screen is connected to a touch signal input end of the controller. Some information such as the indoor CO2 value, TVOC value, PM2.5 value, PM10 value, indoor temperature and humidity, etc. can be viewed through the display screen of the main sensor controller or the sub sensor controller, and the indoor temperature can also be adjusted through the keys on the sub sensor controller.
The invention also discloses an indoor heating and ventilation environment wireless control method based on the cloud platform of the Internet of things, which comprises the following steps:
s1, acquiring indoor dew point temperature data acquired by a wireless temperature sensor and humiture data acquired by a humiture sensor;
s2, processing the temperature and humidity data to obtain dew point temperature, and judging the dew point temperature obtained in the step S2 and the indoor dew point temperature acquired in the step S1:
if Y-X is less than or equal to Z, the wireless sensing controller sends a closing signal to an electric water valve arranged on a main path or a branch of the water separator/collector and sends a speed-up signal to a fresh air ventilator or an exhaust fan;
wherein, X is the dew point temperature obtained in step S2, Y is the indoor dew point temperature collected in step S1, and Z is a preset temperature value;
if Y-X is larger than Z, the closing time of the electric water valve arranged on the main road or the branch road of the water separator/collector exceeds Nmin, and N is a positive number, the wireless sensing controller sends an opening signal to the electric water valve arranged on the main road or the branch road of the water separator/collector to control the fresh air exhauster and the exhaust fan to return to the automatic operation mode.
In a preferred embodiment of the present invention, the method for calculating the dew point temperature is:
when the indoor temperature data collected by the temperature and humidity sensor is 0-20 ℃:
Swc＝a×exp(b×T)，
wherein, Swc is saturated water content, and the unit is g/kg; a is a first regulating coefficient, and b is a second regulating coefficient;
Amc＝Swc×H，
wherein Amc is the actual moisture content in g/kg; h is relative humidity;
dew point temperature:
Dpt＝ln(Amc/a)/b，
wherein Dpt is the dew point temperature;
when the temperature data collected by the temperature and humidity sensor is 20-40 ℃:
Swc＝c×exp(d×T)，
wherein, Swc is saturated water content, and the unit is g/kg; c is a third regulating coefficient, d is a fourth regulating coefficient;
Amc＝Swc×H，
amc is the actual moisture content in g/kg; h is relative humidity;
Dpt＝ln(Amc/c)/d，
wherein Dpt is the dew point temperature.
In a preferred embodiment of the present invention, in the summer season, the method further comprises step S3,
s3, judging the temperature collected by the temperature and humidity sensor and the preset room temperature value:
if T1 is not more than T2, the wireless sensor controller sends a closing signal to an electric water valve arranged on a branch/water collector or a dry/wet fan coil main line or branch;
wherein T1 is the temperature collected by the temperature and humidity sensor, and T2 is the temperature value of the preset room in summer;
and if T1 is more than T2, the closing time of the electric water valve arranged on the branch/water collector or the dry/wet fan coil main line or branch exceeds N 'min, and N' is a positive number, the wireless sensing controller sends an opening signal to the electric water valve arranged on the branch/water collector or the dry/wet fan coil main line or branch.
In a preferred embodiment of the present invention, when it is the winter season, the method further includes step S4,
s3, judging the temperature collected by the temperature and humidity sensor and the preset room temperature value:
if T1 is more than or equal to T3, the wireless sensing controller sends a closing signal to an electric water valve arranged on a branch/water collector or a dry/wet fan coil main line or branch;
wherein T1 is the temperature collected by the temperature and humidity sensor, and T3 is the temperature value of the room preset in winter;
and if T1 is less than T3, the closing time of the electric water valve arranged on the water distribution/collection device or the dry/wet fan coil main line or branch line exceeds Pmin, and P is a positive number, the wireless sensing controller sends an opening signal to the electric water valve arranged on the water distribution/collection device or the dry/wet fan coil main line or branch line.
In a preferred embodiment of the invention, the automatic operating mode comprises the following steps:
and S71, respectively corresponding the acquired air quality data acquired by one or any combination of the CO2 monitoring sensor, the TVOC monitoring sensor, the PM2.5 monitoring sensor and the PM10 monitoring sensor to n gears of the fresh air fan, and determining whether to participate in logic operation by selecting the CO2 monitoring sensor, the TVOC monitoring sensor, the PM2.5 monitoring sensor and the PM10 monitoring sensor. Performing logical operation according to air quality data collected by a CO2 monitoring sensor, a TVOC monitoring sensor, a PM2.5 monitoring sensor and a PM10 monitoring sensor to output a corresponding gear;
s72, taking the maximum gear as an air volume gear in the output gears, and if the air volume gear is larger than an air volume preset gear, setting the air volume of the new fan to be the gear coefficient corresponding to the air volume gear multiplied by the air volume gear; if the air quantity gear is smaller than or equal to the air quantity preset gear, the air quantity of the new fan is the gear coefficient corresponding to the air quantity preset gear multiplied by the air quantity preset gear.
In a preferred embodiment of the present invention, step S71 includes the steps of:
s711, judging whether the CO2 value collected by the CO2 monitoring sensor is in any value gear of CO 2:
if the CO2 value acquired by the CO2 monitoring sensor is smaller than the 1 st preset CO2 value, the CO2 value acquired by the CO2 monitoring sensor is the 1 st gear of CO 2;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to a 1 st preset CO2 value and less than a 2 nd preset CO2 value, the 2 nd preset CO2 value is greater than a 1 st preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 gear 2;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to the 2 nd preset CO2 value and less than the 3 rd preset CO2 value, the 3 rd preset CO2 value is greater than the 2 nd preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 gear 3; … …, respectively;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to the n-1 th preset CO2 value, wherein n is a positive integer greater than or equal to 2, and the n-1 th preset CO2 value is greater than the n-1 th preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 nth gear;
s712, determining what value gear the TVOC value collected by the TVOC monitoring sensor is in:
if the TVOC value acquired by the TVOC monitoring sensor is smaller than the 1 st preset TVOC value, the TVOC value acquired by the TVOC monitoring sensor is the 1 st gear of the TVOC;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to a 1 st preset TVOC value and less than a 2 nd preset TVOC value, the 2 nd preset TVOC value is greater than the 1 st preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the 2 nd gear of the TVOC;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to the 2 nd preset TVOC value and less than the 3 rd preset TVOC value, the 3 rd preset TVOC value is greater than the 2 nd preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the 3 rd gear of the TVOC; … …, respectively;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to the n-1 th preset TVOC value, the n-th preset TVOC value is greater than the n-1 th preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the nth gear of the TVOC;
s713, judging which value gear the PM2.5 value collected by the PM2.5 monitoring sensor is in:
if the PM2.5 value acquired by the PM2.5 monitoring sensor is smaller than the 1 st preset PM2.5 value, the PM2.5 value acquired by the PM2.5 monitoring sensor is in the 1 st gear of the PM 2.5;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to a 1 st preset PM2.5 value and less than a 2 nd preset PM2.5 value, the 2 nd preset PM2.5 value is greater than the 1 st preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the 2 nd gear of the PM 2.5;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to a 2 nd preset PM2.5 value and less than a 3 rd preset PM2.5 value, the 3 rd preset PM2.5 value is greater than a 2 nd preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the PM2.5 3 rd gear; … …, respectively;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to the n-1 st preset PM2.5 value, the n-1 st preset PM2.5 value is greater than the n-1 st preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the nth gear of the PM 2.5;
s714, judging whether the PM10 value collected by the PM10 monitoring sensor is in any value gear of PM 10:
if the PM10 value collected by the PM10 monitoring sensor is smaller than the 1 st preset PM10 value, the PM10 value collected by the PM10 monitoring sensor is the 1 st gear of the PM 10;
if the PM10 value acquired by the PM10 monitoring sensor is greater than or equal to a 1 st preset PM10 value and less than a 2 nd preset PM10 value, the 2 nd preset PM10 value is greater than a 1 st preset PM10 value; the PM10 monitoring sensor collects a PM10 value of PM10 gear 2;
if the PM10 value collected by the PM10 monitoring sensor is greater than or equal to a 2 nd preset PM10 value and less than a 3 rd preset PM10 value, the 3 rd preset PM10 value is greater than a 2 nd preset PM10 value; the PM10 monitoring sensor collects a PM10 value of PM10 gear 3; … …, respectively;
if the PM10 value collected by the PM10 monitoring sensor is larger than or equal to the n-1 th preset PM10 value, the n-1 th preset PM10 value is larger than the n-1 th preset PM10 value; the PM10 monitoring sensor collects the PM10 value which is the Nth gear of the PM 10;
in step S72, the method for determining the air volume shift position is:
judging the values of CO2 value gear of CO2 value collected by a CO2 monitoring sensor, TVOC value gear of TVOC value collected by a TVOC monitoring sensor, PM2.5 value gear of PM2.5 value collected by a PM2.5 monitoring sensor and PM10 value gear of PM10 value collected by a PM10 monitoring sensor:
if the CO2 value acquired by the CO2 monitoring sensor is in the maximum CO2 value gear, taking the CO2 value gear as an air volume gear;
if the TVOC value acquired by the TVOC monitoring sensor is at the maximum TVOC value gear, taking the TVOC value gear as the air volume gear;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is in the maximum PM2.5 value gear, taking the PM2.5 value gear as an air volume gear;
and if the PM10 value collected by the PM10 monitoring sensor is at the maximum PM10 numerical value gear, taking the PM10 numerical value gear as an air volume gear.
In a preferred embodiment of the present invention, the method further comprises step S73,
s73, if the room is positive pressure: the gear coefficient of the exhaust fan is smaller than that of the fresh air fan, and the gear of the exhaust fan is the same as that of the fresh air fan;
if the indoor is negative pressure: the gear coefficient of the exhaust fan is larger than that of the fresh air fan, and the gear of the exhaust fan is the same as that of the fresh air fan;
if the indoor is flat pressure: the gear coefficient of the exhaust fan is equal to the gear coefficient of the fresh air fan, and the gear of the exhaust fan is the same as the gear of the fresh air fan.
In a preferred embodiment of the present invention, the method further comprises operating the fault warning logic: when the fresh air machine monitoring module monitors that the fresh air machine does not run, the fresh air machine monitoring module sends a monitored fresh air machine non-running signal to the sensing controller and displays a fresh air machine non-running signal prompt on the display screen or the touch display screen; when the fresh air machine electric air valve monitoring module monitors that the fresh air machine electric air valve is not electrified, the fresh air machine electric air valve monitoring module sends the monitored non-electrification signal of the fresh air machine electric air valve to the sensing controller and displays the non-electrification signal prompt of the fresh air machine electric air valve on the display screen or the touch display screen; when the exhaust fan monitoring module monitors that the exhaust fan does not operate, the exhaust fan monitoring module sends the monitored exhaust fan non-operation signal to the sensing controller and displays the exhaust fan non-operation signal prompt on the display screen or the touch display screen; when the monitoring module of the electric air valve of the exhaust fan monitors that the electric air valve of the exhaust fan is not electrified, the monitoring module of the electric air valve of the exhaust fan sends the monitored non-electrifying signal of the electric air valve of the exhaust fan to the sensing controller and displays the non-electrifying signal prompt of the electric air valve of the exhaust fan on the display screen or the touch display screen;
and/or the opening and closing state fed back by the electric water valve is displayed on the wireless sensor controller.
In summary, due to the adoption of the technical scheme, the electric water valve can be adjusted to be opened and closed according to the temperature data acquired by the temperature sensor and the temperature and humidity data acquired by the temperature and humidity sensor, so that the indoor environment quality is improved by preventing condensation, and the user experience is enhanced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic block diagram of the connection of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The invention provides an indoor heating and ventilation environment wireless control system based on an Internet of things cloud platform, which comprises K wireless temperature sensors arranged indoors as shown in figure 1, wherein K is a positive integer, and each wireless temperature sensor comprises a temperature sensor and a temperature sensor wireless transceiving module connected with the temperature sensor;
the sub wireless sensor controller comprises a sub sensor controller, a sub sensor controller wireless receiving and transmitting module and a temperature and humidity sensor which are respectively connected with the sub sensor controller;
the main wireless sensing controller comprises a main sensing controller and a main sensing controller wireless transceiving module connected with the main sensing controller;
indoor dew point temperature data monitored by the temperature sensor is transmitted to the wireless sensing controller through the temperature sensor wireless transceiver module, and the sensing controller receives the indoor dew point temperature data sent by the wireless temperature sensor through the sensing controller wireless transceiver module;
each sub-sensing controller sends the received indoor dew point temperature data and the temperature and humidity data collected by the temperature and humidity sensor to the main sensing controller, processes and compares the data, and sends control signals to an electric water valve and a new/exhaust fan which are arranged on a main road or a branch road of the water distributor/collector; or/and the sensor controller uploads the received data to the cloud platform through a wired or wireless mode. In the embodiment, the air quality sensor further comprises a wireless air quality sensor arranged indoors, wherein the wireless air quality sensor comprises an air quality sensor and an air quality sensor wireless transceiver module connected with the air quality sensor; the air quality sensor comprises one or any combination of a CO2 monitoring sensor, a TVOC monitoring sensor, a PM2.5 monitoring sensor or a PM10 monitoring sensor, air quality data monitored by the air quality sensor is transmitted to the wireless sensor controller through the wireless transceiving module of the air quality sensor, and the wireless transceiving module of the sensor controller receives the air quality data sent by the wireless air quality sensor; after the sensing controller processes the received air quality data, the sensing controller transmits a control signal to the fresh air machine through the wireless transceiving module of the sensing controller. In this embodiment, the data uploaded to the cloud platform is not limited to the indoor CO2 value, the TVOC value, the PM2.5 value, and the PM10 value collected by the air quality sensor in real time, the temperature and humidity collected by the temperature and humidity sensor, the temperature collected by the temperature and humidity sensor, and the like, and the sensor controller receives the control signal sent by the cloud platform, for example, the fresh air volume, the exhaust air volume, and the like are adjusted.
In a preferred embodiment of the present invention, the main sensor controller or the sub sensor controller includes a housing, a display screen or a touch display screen and M keys are disposed on a surface of the housing, where M is a positive integer, the housing is provided with a controller, a display output end of the controller is connected to a display input end of the display screen or the touch display screen, and a touch signal output end of the touch display screen is connected to a touch signal input end of the controller. In the present embodiment, the M keys are not limited to the 0-9 digital minus keys with the display function, but also include other function keys, such as a fresh air volume up shift, a fresh air volume down shift, an air discharge volume up shift, an air discharge volume down shift, and the like.
The invention also discloses an indoor heating and ventilation environment wireless control method based on the cloud platform of the Internet of things, which comprises the following steps:
s1, acquiring indoor dew point temperature data acquired by a wireless temperature sensor and humiture data acquired by a humiture sensor;
s2, processing the temperature and humidity data to obtain dew point temperature, and judging the dew point temperature obtained in the step S2 and the indoor dew point temperature acquired in the step S1:
if Y-X is less than or equal to Z, the wireless sensing controller sends a closing signal to an electric water valve arranged on a main path or a branch of the water separator/collector and sends a speed-up signal to a fresh air ventilator or an exhaust fan;
wherein, X is the dew point temperature obtained in step S2, Y is the indoor dew point temperature collected in step S1, and Z is a preset temperature value; in the present embodiment, the preset temperature value is 2 ℃.
If Y-X is larger than Z, the closing time of the electric water valve arranged on the main road or the branch road of the water separator/collector exceeds Nmin, min is time unit minute, N is positive number, and N is 10, the wireless sensing controller sends an opening signal to the electric water valve arranged on the main road or the branch road of the water separator/collector to control the fresh air exhauster and the exhaust fan to be restored to the automatic operation mode.
In a preferred embodiment of the present invention, the method for calculating the dew point temperature is:
when the indoor temperature data collected by the temperature and humidity sensor is 0-20 ℃ (including 0 ℃ and 20 ℃):
Swc＝a×exp(b×T)，
wherein, Swc is saturated water content, and the unit is g/kg; a is a first adjusting coefficient and 3.8375 is taken, and b is a second adjusting coefficient and 0.0676 is taken; t is a temperature value measured by a temperature and humidity sensor, and the unit is;
Amc＝Swc×H，
wherein Amc is the actual moisture content in g/kg; h is relative humidity;
dew point temperature:
Dpt＝ln(Amc/a)/b，
wherein Dpt is the dew point temperature;
when the temperature data collected by the temperature and humidity sensor is 20-40 ℃ (20 ℃ is not included), but 40 ℃):
Swc＝c×exp(d×T)，
wherein, Swc is saturated water content, and the unit is g/kg; c is a third regulating coefficient, 4.4482 is taken; d is a fourth regulating coefficient and is taken as 0.06; t is a temperature value measured by a temperature and humidity sensor, and the unit is;
Amc＝Swc×H，
amc is the actual moisture content in g/kg; h is relative humidity;
Dpt＝ln(Amc/c)/d，
wherein Dpt is the dew point temperature.
In a preferred embodiment of the present invention, in the summer season, the method further comprises step S3,
s3, judging the temperature collected by the temperature and humidity sensor and the preset room temperature value:
if T1 is not more than T2, the wireless sensor controller sends a closing signal to an electric water valve arranged on a branch/water collector or a dry/wet fan coil main line or branch;
wherein T1 is the temperature collected by the temperature and humidity sensor, and T2 is the temperature value of the preset room in summer; the preset room temperature value is 18-23 ℃.
And if T1 is more than T2, the closing time of the electric water valve arranged on the water dividing/collecting device or the dry/wet fan coil main line or the branch line exceeds N ' min, N ' is 10, and N ' is a positive number, the wireless sensing controller sends an opening signal to the electric water valve arranged on the water dividing/collecting device or the dry/wet fan coil main line or the branch line.
In a preferred embodiment of the present invention, when it is the winter season, the method further includes step S4,
s3, judging the temperature collected by the temperature and humidity sensor and the preset room temperature value:
if T1 is more than or equal to T3, the wireless sensing controller sends a closing signal to an electric water valve arranged on a branch/water collector or a dry/wet fan coil main line or branch;
wherein T1 is the temperature collected by the temperature and humidity sensor, and T3 is the temperature value of the room preset in winter; the temperature value of a preset room in winter is 20-25 ℃.
And if T1 is less than T3, the closing time of the electric water valve arranged on the water distribution/collection device or the dry/wet fan coil main line or branch line exceeds Pmin, P is a positive number, and P is 15, the wireless sensing controller sends an opening signal to the electric water valve arranged on the water distribution/collection device or the dry/wet fan coil main line or branch line.
In a preferred embodiment of the invention, the automatic operating mode comprises the following steps:
s71, respectively corresponding the acquired air quality data acquired by one or any combination of the CO2 monitoring sensor, the TVOC monitoring sensor, the PM2.5 monitoring sensor and the PM10 monitoring sensor to n gears of the fresh air fan, and performing logical operation according to the air quality data acquired by the CO2 monitoring sensor, the TVOC monitoring sensor, the PM2.5 monitoring sensor and the PM10 monitoring sensor to output the corresponding gears;
s72, taking the maximum gear as an air volume gear in the output gears, and if the air volume gear is larger than an air volume preset gear, setting the air volume of the new fan to be the gear coefficient corresponding to the air volume gear multiplied by the air volume gear; if the air quantity gear is smaller than or equal to the air quantity preset gear, the air quantity of the new fan is equal to the air quantity preset gear multiplied by a gear preset coefficient corresponding to the air quantity preset gear. Preferentially ensuring the indoor air quality, fully considering the fresh air supply concentration and reasonably controlling the pollutant concentration.
In a preferred embodiment of the present invention, step S71 includes the steps of:
s711, judging whether the CO2 value collected by the CO2 monitoring sensor is in any value gear of CO 2:
if the CO2 value acquired by the CO2 monitoring sensor is smaller than the 1 st preset CO2 value, the CO2 value acquired by the CO2 monitoring sensor is the 1 st gear of CO 2;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to a 1 st preset CO2 value and less than a 2 nd preset CO2 value, the 2 nd preset CO2 value is greater than a 1 st preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 gear 2;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to the 2 nd preset CO2 value and less than the 3 rd preset CO2 value, the 3 rd preset CO2 value is greater than the 2 nd preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 gear 3; … …, respectively;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to the n-1 th preset CO2 value, wherein n is a positive integer greater than or equal to 2, and the n-1 th preset CO2 value is greater than the n-1 th preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 nth gear;
s712, determining what value gear the TVOC value collected by the TVOC monitoring sensor is in:
if the TVOC value acquired by the TVOC monitoring sensor is smaller than the 1 st preset TVOC value, the TVOC value acquired by the TVOC monitoring sensor is the 1 st gear of the TVOC;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to a 1 st preset TVOC value and less than a 2 nd preset TVOC value, the 2 nd preset TVOC value is greater than the 1 st preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the 2 nd gear of the TVOC;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to the 2 nd preset TVOC value and less than the 3 rd preset TVOC value, the 3 rd preset TVOC value is greater than the 2 nd preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the 3 rd gear of the TVOC; … …, respectively;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to the n-1 th preset TVOC value, the n-th preset TVOC value is greater than the n-1 th preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the nth gear of the TVOC;
s713, judging which value gear the PM2.5 value collected by the PM2.5 monitoring sensor is in:
if the PM2.5 value acquired by the PM2.5 monitoring sensor is smaller than the 1 st preset PM2.5 value, the PM2.5 value acquired by the PM2.5 monitoring sensor is in the 1 st gear of the PM 2.5;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to a 1 st preset PM2.5 value and less than a 2 nd preset PM2.5 value, the 2 nd preset PM2.5 value is greater than the 1 st preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the 2 nd gear of the PM 2.5;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to a 2 nd preset PM2.5 value and less than a 3 rd preset PM2.5 value, the 3 rd preset PM2.5 value is greater than a 2 nd preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the PM2.5 3 rd gear; … …, respectively;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to the n-1 st preset PM2.5 value, the n-1 st preset PM2.5 value is greater than the n-1 st preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the nth gear of the PM 2.5;
s714, judging whether the PM10 value collected by the PM10 monitoring sensor is in any value gear of PM 10:
if the PM10 value collected by the PM10 monitoring sensor is smaller than the 1 st preset PM10 value, the PM10 value collected by the PM10 monitoring sensor is the 1 st gear of the PM 10;
if the PM10 value acquired by the PM10 monitoring sensor is greater than or equal to a 1 st preset PM10 value and less than a 2 nd preset PM10 value, the 2 nd preset PM10 value is greater than a 1 st preset PM10 value; the PM10 monitoring sensor collects a PM10 value of PM10 gear 2;
if the PM10 value collected by the PM10 monitoring sensor is greater than or equal to a 2 nd preset PM10 value and less than a 3 rd preset PM10 value, the 3 rd preset PM10 value is greater than a 2 nd preset PM10 value; the PM10 monitoring sensor collects a PM10 value of PM10 gear 3; … …, respectively;
if the PM10 value collected by the PM10 monitoring sensor is larger than or equal to the n-1 th preset PM10 value, the n-1 th preset PM10 value is larger than the n-1 th preset PM10 value; the PM10 monitoring sensor collects the PM10 value which is the Nth gear of the PM 10;
in step S72, the method for determining the air volume shift position is:
judging the values of CO2 value gear of CO2 value collected by a CO2 monitoring sensor, TVOC value gear of TVOC value collected by a TVOC monitoring sensor, PM2.5 value gear of PM2.5 value collected by a PM2.5 monitoring sensor and PM10 value gear of PM10 value collected by a PM10 monitoring sensor:
if the CO2 value acquired by the CO2 monitoring sensor is in the maximum CO2 value gear, taking the CO2 value gear as an air volume gear;
if the TVOC value acquired by the TVOC monitoring sensor is at the maximum TVOC value gear, taking the TVOC value gear as the air volume gear;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is in the maximum PM2.5 value gear, taking the PM2.5 value gear as an air volume gear;
and if the PM10 value collected by the PM10 monitoring sensor is at the maximum PM10 numerical value gear, taking the PM10 numerical value gear as an air volume gear. In the embodiment, n is 10, and the 1 st preset CO2 value to the 9 th preset CO2 value are respectively 400, 600, 800, 1000, 1200, 1400, 1600, 1800 and 2000 in sequence; the 1 st preset TVOC value to the 9 th preset TVOC value are respectively 0.3, 0.5, 0.7, 0.9, 1.3, 2.3, 3.3, 4.3 and 5.0 in sequence; the 1 st to 9 th preset PM2.5 values are respectively 8, 25, 45, 65, 85, 105, 135, 165 and 245 in sequence; assuming that the CO2 value collected by the CO2 monitoring sensor is 1005.7, the TVOC value collected by the TVOC monitoring sensor is 0.44, and the PM2.5 value collected by the PM2.5 monitoring sensor is 55.6; the corresponding gears are CO2 gear 5, TVOC gear 2 and PM2.5 gear 4, respectively; at this time, the 5 th gear of the CO2 is used as an air volume gear, and if the air volume preset gear is the 2 nd air volume gear, the gear coefficient corresponding to the 5 th air volume gear × the 5 th air volume gear is the air volume of the fresh air fan. The gear coefficients corresponding to the air volume preset gear and the air volume preset gear are the lowest indoor fresh air volume and the lowest sanitary ventilation volume; the gear coefficient corresponding to the air quantity gear multiplied by the air quantity gear is smaller than or equal to the maximum fresh air quantity; each gear corresponds to different air volume values, and the higher the gear is, the larger the fresh air volume and the exhaust air volume are.
In a preferred embodiment of the present invention, the method further comprises step S73,
s73, S3, if the room is positive pressure: the gear coefficient of the exhaust fan is smaller than that of the fresh air fan, and the gear of the exhaust fan is the same as that of the fresh air fan;
if the indoor is negative pressure: the gear coefficient of the exhaust fan is larger than that of the fresh air fan, and the gear of the exhaust fan is the same as that of the fresh air fan;
if the indoor is flat pressure: the gear coefficient of the exhaust fan is equal to the gear coefficient of the fresh air fan, and the gear of the exhaust fan is the same as the gear of the fresh air fan. In the embodiment, the exhaust fan and the fresh air fan can be operated independently, and when the fresh air fan is operated independently, the exhaust fan is not operated; when the exhaust fan operates alone, the fresh air fan does not operate. And automatically controlling the air delivery and distribution of the fresh air and the air exhaust power modules according to the requirement of the room pressure difference step.
In a preferred embodiment of the present invention, the method further comprises operating the fault warning logic: when the fresh air machine monitoring module monitors that the fresh air machine does not run, the fresh air machine monitoring module sends a monitored fresh air machine non-running signal to the sensing controller and displays a fresh air machine non-running signal prompt on the display screen or the touch display screen; when the fresh air machine electric air valve monitoring module monitors that the fresh air machine electric air valve is not electrified, the fresh air machine electric air valve monitoring module sends the monitored non-electrification signal of the fresh air machine electric air valve to the sensing controller and displays the non-electrification signal prompt of the fresh air machine electric air valve on the display screen or the touch display screen; when the exhaust fan monitoring module monitors that the exhaust fan does not operate, the exhaust fan monitoring module sends the monitored exhaust fan non-operation signal to the sensing controller and displays the exhaust fan non-operation signal prompt on the display screen or the touch display screen; when the monitoring module of the electric air valve of the exhaust fan monitors that the electric air valve of the exhaust fan is not electrified, the monitoring module of the electric air valve of the exhaust fan sends the monitored non-electrifying signal of the electric air valve of the exhaust fan to the sensing controller and displays the non-electrifying signal prompt of the electric air valve of the exhaust fan on the display screen or the touch display screen; the operation conditions of the new air exhaust power module and the exhaust power module are automatically monitored, and after a system fault occurs, the fault type and the position are prompted on the main interface, so that a customer and maintenance personnel can quickly find a fault source.
And/or the opening and closing state fed back by the electric water valve is displayed on the wireless sensor controller.
In a preferred embodiment of the present invention, the system further comprises a manual right opening logic: a dial button is also arranged on a circuit board provided with the controller, the first end of the dial button is connected with a high level (+5V power supply), the second end of the dial button is connected with a low level (power ground), and the common end of the dial button is connected with a dial signal input end of the controller; when the dial button inputs a high level (+5V level) to the controller, the controller control mode is an automatic operation mode (including an automatic air quality operation mode), and when the dial button inputs a low level (+0V level) to the controller, the controller control mode is a manual air quality mode; manual air quality mode: the controller receives a gear increasing or decreasing signal of the fresh air fan, and correspondingly sends the gear increasing or decreasing signal to the fresh air fan; and when the controller receives the gear increasing or decreasing signal of the exhaust fan, the controller correspondingly sends the gear increasing or decreasing signal to the exhaust fan. The manual control of the fresh air quantity and the exhaust air quantity is realized, and the proper quality ambient air of the user is adjusted.
In a preferred embodiment of the present invention, the method further comprises the step of: automatically repeating and recording the previous state after the network connection is interrupted;
and/or further comprising power-down memory logic: when the sensing controller is powered off and restarted, the controller acquires data stored by the power-off memory module and restores the data to a state before power-off;
and/or further comprising sensor intermittent operation logic: when the controller sends a monitoring working signal to the CO2 monitoring sensor, the moment when the controller sends the monitoring working signal to the CO2 monitoring sensor is recorded as
Figure BDA0002258172680000171
The time controller sends a stop monitoring signal to the CO2 monitoring sensor
Figure BDA0002258172680000172
Monitoring the preset operating time of the sensor for CO 2; when in use
Figure BDA0002258172680000173
The controller sends a start monitoring signal to the CO2 monitoring sensor at the moment"monitoring the preset off time of the sensor for CO 2; performing reciprocating circulation;
when the controller sends the monitoring working signal to the TVOC monitoring sensor, the moment when the controller sends the monitoring working signal to the TVOC monitoring sensor is recorded as TTVOC，TTVOC+TTVOC' time controller sends stop monitoring signal to TVOC monitoring sensor, TTVOC' is the preset working time of the TVOC monitoring sensor; when T isTVOC+TTVOC′+TTVOC"time of day controller sends a start monitoring signal to TVOC monitoring sensor, TTVOC"is the preset shutdown time of the TVOC monitoring sensor; performing reciprocating circulation;
when the controller sends a monitoring working signal to the PM2.5 monitoring sensor, the time when the controller sends the monitoring working signal to the PM2.5 monitoring sensor is recorded as TPM2.5，TPM2.5+TPM2.5' time controller sends stop monitoring signal to PM2.5 monitoring sensor, TPM2.5' monitoring the preset working time of the sensor for PM 2.5; when T isPM2.5+TPM2.5′+TPM2.5"time of day controller sends a start monitoring signal to PM2.5 monitor sensor, said TPM2.5"is PM2.5 monitors the preset shutdown time of the sensor; performing reciprocating circulation;
when the controller sends a monitoring working signal to the PM10 monitoring sensor, the time when the controller sends the monitoring working signal to the PM10 monitoring sensor is recorded as TPM10，TPM10+TPM10' time controller sends stop monitoring signal to PM10 monitoring sensor, TPM10' monitoring the sensor for a preset operating time for PM 10; when T isPM10+TPM10′+TPM10"time of day controller sends a Start monitor signal to PM10 monitor sensor, TPM10"monitoring the preset deactivation time of the sensor for PM 10; and (6) reciprocating and circulating. In the present embodiment, it is preferred that,
Figure BDA0002258172680000181
TTVOC′、TPM2.5' and TPM10' is 1 min;
Figure BDA0002258172680000182
TTVOC″、TPM2.5"and TPM10"is 5 min. They operate simultaneously while stopping. The service life of the air quality sensor is prolonged, and energy is saved.
In a preferred embodiment of the present invention, the display device further comprises screen brightness and screen-off logic: if the controller is at T1In time, said T1If the number is positive, the touch signal sent by the touch display screen is not received; or if the controller is at T2In time, said T2If the number is positive, the key signal sent by the key is not received; the controller sends a control signal to the display screen or the touch display screen backlight module, and the backlight module is turned off; in the present embodiment, T1、T2Take 1 minute.
Or/and the controller sends a display screen or touch display screen lighting signal to the display screen or touch display screen when the distance between the human body and the human body close to the sensor is smaller than or equal to a preset first distance, and the display screen or the touch display screen is lighted; when the distance between a person and the human body close to the sensor is larger than or equal to a preset second distance, the preset second distance is larger than the preset first distance, and the leaving time is larger than or equal to the preset leaving time, the controller sends a display screen or touch display screen extinguishing signal to the display screen or touch display screen, and the display screen or touch display screen is extinguished; in the present embodiment, the predetermined first distance is 15 to 35cm, and the predetermined second distance is 50 to 1.5 m.
Or/and still include ambient light monitoring module, ambient light monitoring module's ambient light signal output part links to each other with sensing controller's ambient light signal input part, and sensing controller adjusts display screen or touch display screen backlight module's backlight brightness according to ambient light monitoring's ambient light:
the method comprises the steps that a sensing controller obtains real-time data of a time module, if the obtained time data are in a preset time range, wherein the preset time range is 2 minutes, a controller sends a screen-off control signal to a display screen or a touch display screen backlight module, and the display screen or the touch display screen backlight module turns off the screen after the display screen or the touch display screen backlight module receives the screen-off control signal; the energy is saved and the consciousness is improved.
Or/and further comprises an air exhaust one-key wireless switch operation logic: when the exhaust fan wireless actuator receives an exhaust fan one-key opening signal sent by the wireless switch, the exhaust fan wireless actuator controls the exhaust fan to start running, the exhaust fan timing unit starts working, and the moment is recorded as t1(ii) a If at t1～t1Receiving the exhaust fan one-key opening signal sent by the wireless switch again at the moment of + t, wherein t is a positive number or t1At the moment + t, the wireless actuator sends a work stopping signal to the exhaust fan, and the exhaust fan stops operating; the air quality mode is restored. In the present embodiment, t is 5 min. The odor at the toilet and other positions can be conveniently and rapidly discharged, and the air quality environment is improved.
In a preferred embodiment of the present invention, the method further comprises a screen locking logic, and the screen locking logic comprises the following steps:
s91, if the sensing controller receives the main interface operation control signal and the main interface is in the condition of locking the coded lock, the sensing controller triggers the code input window,
s92, if the input unlocking password is consistent with the preset password, unlocking the main interface; if the input unlocking password is inconsistent with the preset password, prompting that the password is input wrongly and asking for inputting a correct password. In the present embodiment, the number of digits of the password may be set according to actual conditions, and four digits are preferable. The method and the system prevent non-administrators from operating the main interface and randomly setting system parameters.
In a preferred embodiment of the present invention, step S90 is further included before step S91:
s90, when the sensing controller receives a trigger signal for opening the preset password, the sensing controller triggers to open the preset password window; if the sensing controller receives the option of opening the preset password and inputs the preset password, the sensing controller performs Hash operation on the input preset password to obtain a locking value for storage; wherein, when a password is input, the numerical value displayed by the keyboard is changed; the numerical value displayed by the keyboard is one of 0-9, all numerical values displayed by the keyboard each time are 0-9, and the numerical value displayed by the keyboard corresponds to the numerical value input into the sensing controller; in the present embodiment, the numerical value displayed on the keyboard is not limited to one of 0 to 9, and may include lower case letters, upper case letters, special characters, and the like. The password is prevented from being cracked by bad personnel through encryption and sequential disorder of the input password, protection is enhanced, and safety factor is improved.
The step S92 includes the following steps:
s921, inputting a numerical value change displayed by a keyboard every time an unlocking password is input; the numerical value displayed by the keyboard is one of 0-9, all numerical values displayed by the keyboard each time are 0-9, and the numerical value displayed by the keyboard corresponds to the numerical value input into the sensing controller; when the sensing controller receives an input unlocking airtight trigger signal, the sensing controller performs Hash operation on an input unlocking password to obtain an unlocking value;
s922, the sensor controller determines whether the unlock value obtained in step S921 matches the lock value stored in step S90:
if the unlocking value obtained in the step S921 is consistent with the locking value stored in the step S90, unlocking the main interface;
if the unlock value obtained in step S921 is not identical to the lock value stored in step S90, the input password is incorrect, and the correct password is requested to be input.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An indoor heating and ventilation environment wireless control system based on an Internet of things cloud platform is characterized by comprising K wireless temperature sensors arranged indoors, wherein K is a positive integer, and each wireless temperature sensor comprises a temperature sensor and a temperature sensor wireless transceiver module connected with the temperature sensor;
the sub wireless sensor controller comprises a sub sensor controller, a sub sensor controller wireless receiving and transmitting module and a temperature and humidity sensor which are respectively connected with the sub sensor controller;
the main wireless sensing controller comprises a main sensing controller and a main sensing controller wireless transceiving module connected with the main sensing controller;
indoor dew point temperature data monitored by the temperature sensor is transmitted to the wireless sensing controller through the temperature sensor wireless transceiver module, and the sensing controller receives the indoor dew point temperature data sent by the wireless temperature sensor through the sensing controller wireless transceiver module;
each sub-sensing controller sends the received indoor dew point temperature data and the temperature and humidity data collected by the temperature and humidity sensor to the main sensing controller, processes and compares the data, and sends control signals to an electric water valve and a new/exhaust fan which are arranged on a main road or a branch road of the water distributor/collector; or/and the sensor controller uploads the received data to the cloud platform through a wired or wireless mode.
2. The indoor heating and ventilation environment wireless control system based on the cloud platform of the internet of things as claimed in claim 1, wherein the main sensing controller or the sub sensing controller comprises a housing, a display screen or a touch display screen and M keys are arranged on the surface of the housing, M is a positive integer, a controller is arranged in the housing, the display output end of the controller is connected with the display input end of the display screen or the touch display screen, and the touch signal output end of the touch display screen is connected with the touch signal input end of the controller.
3. An indoor heating and ventilation environment wireless control method based on an Internet of things cloud platform is characterized by comprising the following steps:
s1, acquiring indoor dew point temperature data acquired by a wireless temperature sensor and humiture data acquired by a humiture sensor;
s2, processing the temperature and humidity data to obtain dew point temperature, and judging the dew point temperature obtained in the step S2 and the indoor dew point temperature acquired in the step S1:
if Y-X is less than or equal to Z, the wireless sensing controller sends a closing signal to an electric water valve arranged on a main path or a branch of the water separator/collector and sends a speed-up signal to a fresh air ventilator or an exhaust fan;
wherein, X is the dew point temperature obtained in step S2, Y is the indoor dew point temperature collected in step S1, and Z is a preset temperature value;
if Y-X is larger than Z, the closing time of the electric water valve arranged on the main road or the branch road of the water separator/collector exceeds Nmin, and N is a positive number, the wireless sensing controller sends an opening signal to the electric water valve arranged on the main road or the branch road of the water separator/collector to control the fresh air exhauster and the exhaust fan to return to the automatic operation mode.
4. The indoor heating and ventilation environment wireless control method based on the cloud platform of the internet of things according to claim 3, wherein the calculation method of the dew point temperature is as follows:
when the indoor temperature data collected by the temperature and humidity sensor is 0-20 ℃:
Swc＝a×exp(b×T)，
wherein, Swc is saturated water content, and the unit is g/kg; a is a first regulating coefficient, and b is a second regulating coefficient;
Amc＝Swc×H，
wherein Amc is the actual moisture content in g/kg; h is relative humidity;
dew point temperature:
Dpt＝ln(Amc/a)/b，
wherein Dpt is the dew point temperature;
when the temperature data collected by the temperature and humidity sensor is 20-40 ℃:
Swc＝c×exp(d×T)，
wherein, Swc is saturated water content, and the unit is g/kg; c is a third regulating coefficient, d is a fourth regulating coefficient;
Amc＝Swc×H，
amc is the actual moisture content in g/kg; h is relative humidity;
Dpt＝ln(Amc/c)/d，
wherein Dpt is the dew point temperature.
5. The Internet of things cloud platform based indoor heating and ventilation environment wireless control method according to claim 3, further comprising step S3 when in summer,
s3, judging the temperature collected by the temperature and humidity sensor and the preset room temperature value:
if T1 is not more than T2, the wireless sensor controller sends a closing signal to an electric water valve arranged on a branch/water collector or a dry/wet fan coil main line or branch;
wherein T1 is the temperature collected by the temperature and humidity sensor, and T2 is the temperature value of the preset room in summer;
if T1 is more than T2, the closing time of an electric water valve arranged on a branch/water collector or a dry/wet fan coil main line or branch exceeds N 'min, and N' is a positive number, the wireless sensing controller sends an opening signal to the electric water valve arranged on the branch/water collector or the dry/wet fan coil main line or branch;
and/or further comprising: when the refrigeration mode is started, after the fresh air fan and the exhaust fan operate at delta t1, the electric water valve is started; when the refrigeration mode is closed, the electric water valve is closed, and the fresh air fan and the exhaust fan are closed after running at 2.
6. The Internet of things cloud platform based indoor heating and ventilation environment wireless control method according to claim 3, further comprising step S4,
s3, judging the temperature collected by the temperature and humidity sensor and the preset room temperature value:
if T1 is more than or equal to T3, the wireless sensing controller sends a closing signal to an electric water valve arranged on a branch/water collector or a dry/wet fan coil main line or branch;
wherein T1 is the temperature collected by the temperature and humidity sensor, and T3 is the temperature value of the room preset in winter;
and if T1 is less than T3, the closing time of the electric water valve arranged on the water distribution/collection device or the dry/wet fan coil main line or branch line exceeds Pmin, and P is a positive number, the wireless sensing controller sends an opening signal to the electric water valve arranged on the water distribution/collection device or the dry/wet fan coil main line or branch line.
7. The indoor heating and ventilation environment wireless control method based on the cloud platform of the internet of things according to claim 3, wherein the automatic operation mode comprises the following steps:
s71, respectively corresponding the acquired air quality data acquired by one or any combination of the CO2 monitoring sensor, the TVOC monitoring sensor, the PM2.5 monitoring sensor and the PM10 monitoring sensor to n gears of the fresh air fan, and performing logical operation according to the air quality data acquired by the CO2 monitoring sensor, the TVOC monitoring sensor, the PM2.5 monitoring sensor and the PM10 monitoring sensor to output the corresponding gears;
s72, taking the maximum gear as an air volume gear in the output gears, and if the air volume gear is larger than an air volume preset gear, setting the air volume of the new fan to be the gear coefficient corresponding to the air volume gear multiplied by the air volume gear; if the air quantity gear is smaller than or equal to the air quantity preset gear, the air quantity of the new fan is the gear coefficient corresponding to the air quantity preset gear multiplied by the air quantity preset gear.
8. The Internet of things cloud platform based indoor heating and ventilation environment wireless control method according to claim 3, wherein the step S71 comprises the following steps:
s711, judging whether the CO2 value collected by the CO2 monitoring sensor is in any value gear of CO 2:
if the CO2 value acquired by the CO2 monitoring sensor is smaller than the 1 st preset CO2 value, the CO2 value acquired by the CO2 monitoring sensor is the 1 st gear of CO 2;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to a 1 st preset CO2 value and less than a 2 nd preset CO2 value, the 2 nd preset CO2 value is greater than a 1 st preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 gear 2;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to the 2 nd preset CO2 value and less than the 3 rd preset CO2 value, the 3 rd preset CO2 value is greater than the 2 nd preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 gear 3; … …, respectively;
if the CO2 value acquired by the CO2 monitoring sensor is greater than or equal to the n-1 th preset CO2 value, wherein n is a positive integer greater than or equal to 2, and the n-1 th preset CO2 value is greater than the n-1 th preset CO2 value; the CO2 monitoring sensor acquires a CO2 value of CO2 nth gear;
s712, determining what value gear the TVOC value collected by the TVOC monitoring sensor is in:
if the TVOC value acquired by the TVOC monitoring sensor is smaller than the 1 st preset TVOC value, the TVOC value acquired by the TVOC monitoring sensor is the 1 st gear of the TVOC;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to a 1 st preset TVOC value and less than a 2 nd preset TVOC value, the 2 nd preset TVOC value is greater than the 1 st preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the 2 nd gear of the TVOC;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to the 2 nd preset TVOC value and less than the 3 rd preset TVOC value, the 3 rd preset TVOC value is greater than the 2 nd preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the 3 rd gear of the TVOC; … …, respectively;
if the TVOC value acquired by the TVOC monitoring sensor is greater than or equal to the n-1 th preset TVOC value, the n-th preset TVOC value is greater than the n-1 th preset TVOC value; the TVOC value collected by the TVOC monitoring sensor is the nth gear of the TVOC;
s713, judging which value gear the PM2.5 value collected by the PM2.5 monitoring sensor is in:
if the PM2.5 value acquired by the PM2.5 monitoring sensor is smaller than the 1 st preset PM2.5 value, the PM2.5 value acquired by the PM2.5 monitoring sensor is in the 1 st gear of the PM 2.5;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to a 1 st preset PM2.5 value and less than a 2 nd preset PM2.5 value, the 2 nd preset PM2.5 value is greater than the 1 st preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the 2 nd gear of the PM 2.5;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to a 2 nd preset PM2.5 value and less than a 3 rd preset PM2.5 value, the 3 rd preset PM2.5 value is greater than a 2 nd preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the PM2.5 3 rd gear; … …, respectively;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is greater than or equal to the n-1 st preset PM2.5 value, the n-1 st preset PM2.5 value is greater than the n-1 st preset PM2.5 value; the PM2.5 value collected by the PM2.5 monitoring sensor is the nth gear of the PM 2.5;
s714, judging whether the PM10 value collected by the PM10 monitoring sensor is in any value gear of PM 10:
if the PM10 value collected by the PM10 monitoring sensor is smaller than the 1 st preset PM10 value, the PM10 value collected by the PM10 monitoring sensor is the 1 st gear of the PM 10;
if the PM10 value acquired by the PM10 monitoring sensor is greater than or equal to a 1 st preset PM10 value and less than a 2 nd preset PM10 value, the 2 nd preset PM10 value is greater than a 1 st preset PM10 value; the PM10 monitoring sensor collects a PM10 value of PM10 gear 2;
if the PM10 value collected by the PM10 monitoring sensor is greater than or equal to a 2 nd preset PM10 value and less than a 3 rd preset PM10 value, the 3 rd preset PM10 value is greater than a 2 nd preset PM10 value; the PM10 monitoring sensor collects a PM10 value of PM10 gear 3; … …, respectively;
if the PM10 value collected by the PM10 monitoring sensor is larger than or equal to the n-1 th preset PM10 value, the n-1 th preset PM10 value is larger than the n-1 th preset PM10 value; the PM10 monitoring sensor collects the PM10 value which is the Nth gear of the PM 10;
in step S72, the method for determining the air volume shift position is:
judging the values of CO2 value gear of CO2 value collected by a CO2 monitoring sensor, TVOC value gear of TVOC value collected by a TVOC monitoring sensor, PM2.5 value gear of PM2.5 value collected by a PM2.5 monitoring sensor and PM10 value gear of PM10 value collected by a PM10 monitoring sensor:
if the CO2 value acquired by the CO2 monitoring sensor is in the maximum CO2 value gear, taking the CO2 value gear as an air volume gear;
if the TVOC value acquired by the TVOC monitoring sensor is at the maximum TVOC value gear, taking the TVOC value gear as the air volume gear;
if the PM2.5 value acquired by the PM2.5 monitoring sensor is in the maximum PM2.5 value gear, taking the PM2.5 value gear as an air volume gear;
and if the PM10 value collected by the PM10 monitoring sensor is at the maximum PM10 numerical value gear, taking the PM10 numerical value gear as an air volume gear.
9. The Internet of things cloud platform based indoor heating and ventilation environment wireless control method according to claim 8, further comprising step S73,
s73, if the room is positive pressure: the gear coefficient of the exhaust fan is smaller than that of the fresh air fan, and the gear of the exhaust fan is the same as that of the fresh air fan;
if the indoor is negative pressure: the gear coefficient of the exhaust fan is larger than that of the fresh air fan, and the gear of the exhaust fan is the same as that of the fresh air fan;
if the indoor is flat pressure: the gear coefficient of the exhaust fan is equal to the gear coefficient of the fresh air fan, and the gear of the exhaust fan is the same as the gear of the fresh air fan.
10. The wireless control method for the indoor heating and ventilation environment based on the cloud platform of the internet of things of claim 3, further comprising operating a fault warning logic: when the fresh air machine monitoring module monitors that the fresh air machine does not run, the fresh air machine monitoring module sends a monitored fresh air machine non-running signal to the sensing controller and displays a fresh air machine non-running signal prompt on the display screen or the touch display screen; when the fresh air machine electric air valve monitoring module monitors that the fresh air machine electric air valve is not electrified, the fresh air machine electric air valve monitoring module sends the monitored non-electrification signal of the fresh air machine electric air valve to the sensing controller and displays the non-electrification signal prompt of the fresh air machine electric air valve on the display screen or the touch display screen; when the exhaust fan monitoring module monitors that the exhaust fan does not operate, the exhaust fan monitoring module sends the monitored exhaust fan non-operation signal to the sensing controller and displays the exhaust fan non-operation signal prompt on the display screen or the touch display screen; when the monitoring module of the electric air valve of the exhaust fan monitors that the electric air valve of the exhaust fan is not electrified, the monitoring module of the electric air valve of the exhaust fan sends the monitored non-electrifying signal of the electric air valve of the exhaust fan to the sensing controller and displays the non-electrifying signal prompt of the electric air valve of the exhaust fan on the display screen or the touch display screen;
and/or the opening and closing state fed back by the electric water valve is displayed on the wireless sensor controller.
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