CN108489014B - Indoor environment intelligent dynamic control system and control method thereof - Google Patents
Indoor environment intelligent dynamic control system and control method thereof Download PDFInfo
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- CN108489014B CN108489014B CN201810167099.2A CN201810167099A CN108489014B CN 108489014 B CN108489014 B CN 108489014B CN 201810167099 A CN201810167099 A CN 201810167099A CN 108489014 B CN108489014 B CN 108489014B
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- 238000011156 evaluation Methods 0.000 claims description 100
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- 230000004060 metabolic process Effects 0.000 claims description 6
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- 238000007791 dehumidification Methods 0.000 claims description 3
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- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
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- 238000004378 air conditioning Methods 0.000 description 1
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Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
- F24F2110/12—Temperature of the outside air
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- 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
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- 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
- F24F2110/30—Velocity
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- 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
- F24F2110/40—Pressure, e.g. wind pressure
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
- F24F2130/20—Sunlight
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention provides an intelligent dynamic control system for indoor environment and a control method thereof, wherein the system comprises the following components: the system comprises a control subsystem, a data acquisition subsystem, a weather subsystem, an adjusting subsystem and a man-machine interaction interface, wherein the data acquisition subsystem, the weather subsystem, the adjusting subsystem and the man-machine interaction interface are respectively in communication connection with the control subsystem. The technical scheme provided by the invention has the advantages of simple system, convenient implementation, good control effect and obvious energy-saving effect; the microclimate data are acquired through the meteorological subsystem and compared with the indoor parameters acquired by the data acquisition subsystem, the control subsystem obtains various comfort parameters of the environment through analysis, and the regulation subsystem regulates the parameters of indoor temperature, humidity, ventilation and the like, so that the most comfortable environment is provided for indoor residents; the device can achieve real-time control and real-time adjustment, thereby ensuring comfort level and avoiding unnecessary energy consumption; and each household and each room are respectively adjusted, so that the space is small, and the adjusting efficiency is high.
Description
Technical Field
The invention relates to an indoor environment control system, in particular to an indoor environment intelligent dynamic control system and a control method thereof.
Background
With the rapid development of urban construction, the building has been improved from the basic function of ensuring living to the quality of life with high quality, and the function of the building is an important factor for representing living quality, and the control of indoor environment parameters has increasingly tended to be intelligent and personalized.
There are generally two forms of indoor environmental control. One is a household independent air conditioner and fresh air system of a multi-connected air machine and a fresh air machine; the other is a concentrated air conditioner fresh air system with the concept of constant temperature, constant humidity and constant oxygen, namely radiation end and concentrated fresh air. The two systems have the problems of high energy consumption, low efficiency, poor comfort level, difficult operation management and the like generally, and cannot be dynamically regulated in real time along with the change of outdoor weather parameters and the state requirements of different indoor people, so that the personalized requirements of users on indoor environments cannot be met: the centralized air conditioning system with the radiation tail end is poor in adjustability, slow in system feedback, different from the thermal perception of a human body, and poor in comfort; the long-term life at the temperature of constant temperature, constant humidity and constant oxygen can cause poor heat resistance of a human body, and various discomforts such as a nervous system, a digestive system, a respiratory system, skin mucous membrane and the like can be caused; the traditional household independent system of the multi-split air conditioner and the fresh air blower is difficult to adapt to temperature adjustment, humidity adjustment and ventilation adjustment, is difficult to set to an optimal state point, and is difficult to obtain comfortable feeling.
Therefore, it is necessary to provide an intelligent dynamic control system and a control method thereof for indoor environment degree, so that the intelligent dynamic control system can adjust indoor temperature parameters along with the change of outdoor environment degree, thereby reducing energy consumption and improving efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the inventor designs an intelligent dynamic control system for an indoor environment; the system can adjust indoor environment parameters along with the change of outdoor environment, and is energy-saving, low in consumption and high in adjustment efficiency.
The invention aims at realizing the following technical scheme:
The invention provides an intelligent dynamic control system for indoor environment, which comprises:
The system comprises a control subsystem, a data acquisition subsystem, a weather subsystem, an adjusting subsystem and a man-machine interaction interface, wherein the data acquisition subsystem, the weather subsystem, the adjusting subsystem and the man-machine interaction interface are respectively in communication connection with the control subsystem.
Preferably, the control subsystem comprises: the system comprises an automatic setting module, a temperature regulation module, a humidity regulation module, a storage module, a man-machine interaction module and a parameter output module;
the man-machine interaction module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module;
the storage interaction module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module;
The parameter output module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module.
Preferably, the method comprises the steps of,
The temperature regulation and control module comprises a traditional regulation and control unit, an intelligent regulation and control unit and an evaluation regulation and control unit;
the parameter output module comprises a temperature output unit, a humidity output unit and a fresh air output unit;
The automatic setting module, the traditional regulation and control unit, the intelligent regulation and control unit and the evaluation regulation and control unit are respectively connected with the temperature output unit;
the automatic setting module and the humidity regulating module are respectively connected with the humidity output unit.
Preferably, the data acquisition subsystem includes a temperature sensor, a humidity sensor, a PM2.5 sensor, and a CO 2 sensor.
Preferably, the temperature sensor is connected with the automatic setting module and the temperature regulating module respectively.
Preferably, the humidity sensor is connected with the humidity control module.
Preferably, the PM2.5 sensor and the CO 2 sensor are respectively connected with the fresh air output unit.
Preferably, the regulating subsystem comprises temperature regulating equipment, humidity regulating equipment and fresh air equipment;
the temperature regulating device is connected with the temperature output unit;
The humidity adjusting device is connected with the humidity adjusting unit;
the fresh air equipment is connected with the fresh air output unit.
Preferably, the temperature adjusting device, the humidity adjusting device and the fresh air device are respectively provided with adjusting units with the number more than 1 in a shared room.
Preferably, the weather subsystem comprises:
a temperature sensor, a humidity sensor, a PM2.5 sensor, a solar radiation sensor, a wind speed sensor, a wind pressure sensor and a rainfall sensor;
The temperature sensor is respectively connected with the storage module and the temperature regulation module;
the humidity sensor is connected with the humidity control module.
Based on the same inventive concept, the invention also provides a control method of the intelligent dynamic control system for the indoor environment, which comprises the following steps:
(1) Sending an operation instruction to the control subsystem through a man-machine interaction interface;
(2) The control subsystem determines control parameters according to the operation instructions;
(3) The control subsystem sends the control parameters to the adjustment subsystem.
Preferably, the operation instruction in the step (1) includes:
automatically setting an instruction, a temperature regulation instruction and a humidity regulation instruction;
the temperature regulation and control instruction comprises an intelligent regulation and control instruction and an evaluation regulation and control instruction.
Preferably, the step (2) includes:
When the operation instruction is a traditional regulation instruction, the traditional regulation unit takes the temperature value input by the man-machine interaction interface as a temperature control value and sends the temperature value to a temperature output unit and a storage module respectively;
when the operation instruction is an intelligent regulation instruction, the intelligent regulation unit determines a temperature control value according to the parameters input by the man-machine interaction interface and sends the temperature control value to a temperature output unit and a storage module respectively;
When the operation instruction is an evaluation regulation instruction, the evaluation regulation unit determines a temperature control value according to an evaluation value input by the man-machine interaction interface and sends the temperature control value to a temperature output unit and a storage module respectively;
When the operation instruction is an automatic setting instruction, the automatic setting module determines a temperature control value according to the automatic setting instruction and sends the temperature control value to a temperature output unit and a storage module respectively; or (b)
And when the operation instruction is a humidity regulation instruction, the humidity regulation module determines a humidity control parameter according to the humidity evaluation level input by the man-machine interaction interface and sends the humidity control parameter to a humidity output unit.
Preferably, when the operation instruction is an intelligent regulation instruction, the determining, by the intelligent regulation unit, a temperature control value according to a parameter input by the man-machine interaction interface includes:
The intelligent regulation and control unit calculates the temperature t a of the air around the human body according to the following average thermal sensation index PMV formula:
PMV＝(0.303e-0.036M+0.0275)×{M-W-3.05[5.733-0.007(M-W)-Pa]
-0.42(M-W-58.15)-1.73×10-2M(5.867-Pa)-fclhc(tcl-ta)
-0.0014M(34-ta)-3.96×10-8fcl[tcl+273)4-(tr+273)4]}
Wherein: wherein M is the metabolism rate of human body, W/M 2; w is mechanical work done by human body to outside, W/m 2;hc is convection heat transfer coefficient, W/m 2·℃;Pa is water vapor partial pressure of air around human body, and P a;fcl is clothing area coefficient; t r is the indoor average radiation temperature, DEG C; t cl is the temperature of the outer surface of the garment, DEG C;
Taking the temperature T a of the air around the human body as a temperature control value T set(n) of the day;
The intelligent regulation and control unit comprises the following steps according to the parameters input by the man-machine interaction interface: age of the user and variety of the garment;
the types of clothing include: down jackets, cotton-padded jackets, windgarments, sport casual coats, jacket jackets, sweaters, sweater, autumn jackets, linens, long-sleeved shirts, T-shirts, jeans, western-style pants, woolen pants, cotton-padded pants, autumn pants, linens, shorts, short skirts, one-piece dress, socks, stockings, leather shoes, sport shoes, sandals;
Obtaining the thermal resistance of the whole set of clothing by adding the thermal resistance of each type of clothing; the thermal resistance of various garments includes:
Down jackets 0.55, cotton jackets 0.5, windcoats 0.4, sports casual jackets 0.3, jacket clips 0.25, sweaters 0.28, sweater 0.12, autumn/linens 0.2, long sleeves/T-shirts 0.2, short sleeves/T-shirts 0.09, jeans/western trousers 0.2, jeans 0.28, cotton trousers 0.25, autumn/linens 0.2, shorts 0.06, short skirts 0.14, dress 0.2, socks 0.02, stockings 0.05, leather shoes/sneakers 0.1, sandals 0.02.
Preferably, the metabolism rate M of the human body is calculated as follows:
M＝(M’-0.8)+[72.91-2.03A+0.0437A2-0.00031A3]/58.2；
Wherein: m' is the metabolic rate of the human body under different activity types, and A is the age in the parameters.
Preferably, the PMV value includes:
Counting the maximum value and the minimum value of the outdoor sliding average temperature of the city, and establishing a corresponding relation between a temperature interval formed from the minimum value to the maximum value and a PMV value interval [ -1,1 ]:
when the outdoor temperature reaches the maximum value, the PMV is 1;
when the outdoor temperature reaches the minimum value, the PMV takes the value of minus 1;
When the outdoor temperature is at a temperature between the maximum value and the minimum value, the PMV takes a value in a PMV value interval [ -1,1] corresponding to the temperature.
Preferably, the determining, by the evaluation control unit, the temperature control value according to the evaluation value input by the man-machine interaction interface includes:
(1) Acquiring (a ', T ', TSV ') stored in the storage module from the storage module and acquiring indoor temperature from the acquisition subsystem;
(2) The temperature control value is determined from the evaluation value, the (a ', T ', TSV ') and the indoor temperature.
Preferably, when the evaluation control unit controls for the first time, the step (2) includes:
First, transmitting (a 1,T1,TSV1) signals to the storage module, which stores (a 1,T1,TSV1) in the form of (a ', T ', TSV ');
Wherein: t 1 is the indoor temperature during the first regulation; TSV 1 is an evaluation value regulated for the first time, the range of the evaluation value is 2 to-2, and the range of the corresponding evaluation value when a human body feels hot is 0 to 2; the corresponding evaluation value range when the human body feels cold is-2 to 0; a 1 is Griffith coefficient, a 1 =0.33;
Second, the temperature control value T set1 is calculated as follows:
Tset1＝T1-TSV1/a1。
preferably, when the evaluation control unit does not control for the first time, the step (2) includes:
Calculating a judgment parameter B according to the following formula:
Wherein: TSV 'is an evaluation value stored in the storage module, T' is an indoor temperature stored in the storage module, TSV (n) is an evaluation value during nth regulation and control, and T (n) is an indoor temperature during nth regulation and control; n is more than or equal to 2;
if B ε [0.2,0.5], then the temperature control value T set(n) is calculated as follows:
first, the Griffith coefficient, the indoor temperature, and the evaluation value are corrected by the following formula:
an＝[0.2(TSV(n)-TSV')/(T(n)-T')+0.8a']；
T(n)'＝(T'+T(n))/2；
TSV(n)'＝[TSV'+TSV(n)]/2；
Wherein: a n is the Griffith coefficient after correction, T (n) 'is the room temperature at the nth regulation after correction, TSV (n)' is the evaluation value at the nth regulation after correction;
Second, send (a n,T(n)',TSV(n) ') to the storage module, which updates (a ', T ', TSV ') with the value of (a n,T(n)',TSV(n) ') and stores;
thirdly, calculating a temperature control value T set(n) of the nth regulation according to the following formula:
Tset(n)＝T(n)'-TSV(n)'/an；
If it is The temperature control value T set(n) of the nth regulation is obtained according to the following formula:
Tset(n)＝T(n)-TSV(n)/a'。
preferably, when the operation instruction is an automatic setting instruction, the automatic setting module determining the temperature control value according to the automatic setting instruction includes:
The automatic setting module obtains the outdoor sliding average temperature T omn of the current day, the outdoor sliding average temperature T om(n-1) of the previous day and the indoor sliding average temperature T im(n-1) in the same time period of the previous day from the storage module;
The automatic setting unit calculates a temperature control value T set(n) according to the following formula:
Tset(n)＝Tim(n-1)+0.3[Tom(n)-Tom(n-1)]。
Preferably, the determining of the indoor sliding average temperature includes:
dividing 24 hours per day into a plurality of time periods according to a preset number;
The indoor sliding average temperature in each time period of the first day of the installation of the intelligent dynamic control system is replaced by the actual indoor average temperature in the corresponding time period;
the average indoor slip temperature in each time period of the remaining daily is calculated as follows:
Tim(n)＝0.2Tset(n)+0.8Tim(n-1)；
Wherein: t set(n) is the last set temperature control value in the period; t im(n-1) is the indoor slip average temperature over the same period of day (n-1);
The storage module calculates an indoor slip average temperature in each time period at the end of the time period and stores the calculation result.
Preferably, the determining of the outdoor slip average temperature includes:
The outdoor slip temperature T om(1) of the first day of installing the intelligent dynamic control system is replaced by the outdoor average temperature calculated by the weather forecast data of the current day;
the remaining daily outdoor slip temperature T om(n) is calculated as follows:
Tom(n)＝0.8Tout(n)+0.2Tom(n-1)；
Wherein: t out(n) is the outdoor average temperature on the day calculated from the weather forecast data on day n;
the storage module calculates an outdoor slip average temperature for each day at 00:00 of each day and stores the calculation result.
Preferably, when the operation instruction is a humidity control instruction, the determining, by the humidity control module, a humidity control parameter according to the humidity evaluation level input by the human-computer interaction interface includes:
acquiring an indoor humidity value from a humidity sensor of the acquisition subsystem and acquiring a temperature control value from the temperature regulation module;
Calculating a humidity threshold according to the temperature control value;
And determining a humidity control parameter according to the relation between the humidity value and the humidity threshold value and the humidity evaluation level.
Preferably, the evaluation level includes: very dry, comfortable, moist, very moist.
Preferably, the humidity control module determines the humidity control parameter according to the relationship between the humidity value and the humidity threshold and the humidity evaluation level includes:
The humidity value is lower than the lower humidity threshold, no evaluation information or evaluation information is very dry, comfortable, moist and very moist, and the control instruction is that rated power is humidified to be above the lower humidity threshold;
The humidity value is higher than the upper humidity threshold, no evaluation information or evaluation information is very dry, comfortable, moist and very moist, and the control instruction is rated power dehumidification to be lower than the upper humidity threshold;
the humidity value is between the lower humidity threshold and the upper humidity threshold, and no humidity evaluation information exists, so that the control instruction is no action;
the humidity value is between the lower humidity threshold and the upper humidity threshold, and the humidity evaluation information is dry, so that 50% of power is humidified;
The humidity value is between the lower humidity threshold and the upper humidity threshold, and the humidity evaluation information is very dry, so that rated power is humidified;
The humidity value is between the lower humidity threshold and the upper humidity threshold, the humidity evaluation information is humidity, and 50% of power is dehumidified;
the humidity value is between the lower humidity threshold and the upper humidity threshold, the humidity evaluation information is very humid, and the rated power is humid.
Preferably, the upper humidity threshold is 70% of the saturated vapor pressure corresponding to the temperature control value.
Preferably, the lower humidity threshold is 40% of the saturated vapor pressure corresponding to the temperature control value.
Preferably, the saturated vapor pressure P ws corresponding to the temperature set value T set is calculated according to the following formula:
Compared with the closest prior art, the invention has the beneficial effects that:
1. The technical scheme provided by the invention has the advantages of simple system, convenient implementation, good control effect and obvious energy-saving effect; the microclimate data are acquired through the meteorological subsystem and compared with the indoor parameters acquired by the data acquisition subsystem, the control subsystem obtains various comfort parameters of the environment through analysis, and the regulation subsystem regulates the parameters of indoor temperature, humidity, ventilation and the like, so that the most comfortable environment is provided for indoor residents; the device can achieve real-time control and real-time adjustment, thereby ensuring comfort level and avoiding unnecessary energy consumption; and each household and each room are respectively adjusted, so that the space is small, and the adjusting efficiency is high.
2. According to the technical scheme provided by the invention, the temperature regulation and control module of the control subsystem can perform three modes of traditional regulation and control, intelligent regulation and control and evaluation regulation and control according to the selection of a user, and can perform different regulation and control by combining indoor and outdoor temperatures, parameters of the user, habits of the user and the like; various controls can be used for controlling the temperature to the most comfortable and healthy temperature for the user; and the three modes are mutually independent and can be flexibly switched.
3. According to the technical scheme provided by the invention, the control subsystem can reasonably regulate and control the humidity according to the objective value of the humidity and the subjective evaluation of the humidity by a user, and the regulation and control not only considers the objective influence of the humidity on the health and the comfort of a human body, but also considers the subjective feeling of the human body; the user can obtain comfortable humidity environment and psychological regulation and control satisfaction, the individuation degree is greatly improved, and the user is provided with maximum comfort.
Drawings
The invention is further described below with reference to the accompanying drawings:
Fig. 1: the invention provides a schematic diagram of a control system.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
Example 1
The invention provides an intelligent dynamic control system for indoor environment, which comprises:
The system comprises a control subsystem, a data acquisition subsystem, a weather subsystem, an adjusting subsystem and a man-machine interaction interface, wherein the data acquisition subsystem, the weather subsystem, the adjusting subsystem and the man-machine interaction interface are respectively in communication connection with the control subsystem.
The control subsystem includes: the system comprises an automatic setting module, a temperature regulation module, a humidity regulation module, a storage module, a man-machine interaction module and a parameter output module;
the man-machine interaction module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module;
the storage interaction module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module;
The parameter output module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module.
The temperature regulation and control module comprises a traditional regulation and control unit, an intelligent regulation and control unit and an evaluation regulation and control unit;
the parameter output module comprises a temperature output unit, a humidity output unit and a fresh air output unit;
The automatic setting module, the traditional regulation and control unit, the intelligent regulation and control unit and the evaluation regulation and control unit are respectively connected with the temperature output unit;
the automatic setting module and the humidity regulating module are respectively connected with the humidity output unit.
The data acquisition subsystem includes a temperature sensor, a humidity sensor, a PM2.5 sensor, and a CO 2 sensor.
The temperature sensor is respectively connected with the automatic setting module and the temperature regulation module.
The humidity sensor is connected with the humidity control module.
And the PM2.5 sensor and the CO 2 sensor are respectively connected with the fresh air output unit.
The regulating subsystem comprises temperature regulating equipment, humidity regulating equipment and fresh air equipment;
the temperature regulating device is connected with the temperature output unit;
The humidity adjusting device is connected with the humidity adjusting unit;
the fresh air equipment is connected with the fresh air output unit.
The temperature adjusting device, the humidity adjusting device and the fresh air device are respectively provided with adjusting units with the number larger than 1 in a shared room.
The weather subsystem includes:
a temperature sensor, a humidity sensor, a PM2.5 sensor, a solar radiation sensor, a wind speed sensor, a wind pressure sensor and a rainfall sensor;
The temperature sensor is respectively connected with the storage module and the temperature regulation module;
the humidity sensor is connected with the humidity control module.
Example 2
Based on the same inventive concept, the invention also provides a control method of the intelligent dynamic control system for the indoor environment, which comprises the following steps:
(1) Sending an operation instruction to the control subsystem through a man-machine interaction interface;
(2) The control subsystem determines control parameters according to the operation instructions;
(3) The control subsystem sends the control parameters to the adjustment subsystem.
The operation instruction in the step (1) includes:
automatically setting an instruction, a temperature regulation instruction and a humidity regulation instruction;
the temperature regulation and control instruction comprises an intelligent regulation and control instruction and an evaluation regulation and control instruction.
The step (2) comprises:
When the operation instruction is a traditional regulation instruction, the traditional regulation unit takes the temperature value input by the man-machine interaction interface as a temperature control value and sends the temperature value to a temperature output unit and a storage module respectively;
when the operation instruction is an intelligent regulation instruction, the intelligent regulation unit determines a temperature control value according to the parameters input by the man-machine interaction interface and sends the temperature control value to a temperature output unit and a storage module respectively;
When the operation instruction is an evaluation regulation instruction, the evaluation regulation unit determines a temperature control value according to an evaluation value input by the man-machine interaction interface and sends the temperature control value to a temperature output unit and a storage module respectively;
When the operation instruction is an automatic setting instruction, the automatic setting module determines a temperature control value according to the automatic setting instruction and sends the temperature control value to a temperature output unit and a storage module respectively; or (b)
And when the operation instruction is a humidity regulation instruction, the humidity regulation module determines a humidity control parameter according to the humidity evaluation level input by the man-machine interaction interface and sends the humidity control parameter to a humidity output unit.
Preferably, when the operation instruction is an intelligent regulation instruction, the determining, by the intelligent regulation unit, a temperature control value according to a parameter input by the man-machine interaction interface includes:
The intelligent regulation and control unit calculates the temperature t a of the air around the human body according to the following average thermal sensation index PMV formula:
PMV＝(0.303e-0.036M+0.0275)×{M-W-3.05[5.733-0.007(M-W)-Pa]
-0.42(M-W-58.15)-1.73×10-2M(5.867-Pa)-fclhc(tcl-ta)
-0.0014M(34-ta)-3.96×10-8fcl[tcl+273)4-(tr+273)4]}
Wherein: wherein M is the metabolism rate of human body, W/M 2; w is mechanical work done by human body to outside, W/m 2;hc is convection heat transfer coefficient, W/m 2·℃;Pa is water vapor partial pressure of air around human body, and P a;fcl is clothing area coefficient; t r is the indoor average radiation temperature, DEG C; t cl is the temperature of the outer surface of the garment, DEG C;
Taking the temperature T a of the air around the human body as a temperature control value T set(n) of the day;
The intelligent regulation and control unit comprises the following steps according to the parameters input by the man-machine interaction interface: age of the user and variety of the garment;
the types of clothing include: down jackets, cotton-padded jackets, windgarments, sport casual coats, jacket jackets, sweaters, sweater, autumn jackets, linens, long-sleeved shirts, T-shirts, jeans, western-style pants, woolen pants, cotton-padded pants, autumn pants, linens, shorts, short skirts, one-piece dress, socks, stockings, leather shoes, sport shoes, sandals;
Obtaining the thermal resistance of the whole set of clothing by adding the thermal resistance of each type of clothing; the thermal resistance of various garments includes:
Down jackets 0.55, cotton jackets 0.5, windcoats 0.4, sports casual jackets 0.3, jacket clips 0.25, sweaters 0.28, sweater 0.12, autumn/linens 0.2, long sleeves/T-shirts 0.2, short sleeves/T-shirts 0.09, jeans/western trousers 0.2, jeans 0.28, cotton trousers 0.25, autumn/linens 0.2, shorts 0.06, short skirts 0.14, dress 0.2, socks 0.02, stockings 0.05, leather shoes/sneakers 0.1, sandals 0.02.
The metabolism rate M of the human body is calculated according to the following formula:
M＝(M’-0.8)+[72.91-2.03A+0.0437A2-0.00031A3]/58.2；
Wherein: m' is the metabolic rate of the human body under different activity types, and A is the age in the parameters.
The PMV comprises the following values:
Counting the maximum value and the minimum value of the outdoor sliding average temperature of the city, and establishing a corresponding relation between a temperature interval formed from the minimum value to the maximum value and a PMV value interval [ -1,1 ]:
when the outdoor temperature reaches the maximum value, the PMV is 1;
when the outdoor temperature reaches the minimum value, the PMV takes the value of minus 1;
When the outdoor temperature is at a temperature between the maximum value and the minimum value, the PMV takes a value in a PMV value interval [ -1,1] corresponding to the temperature.
The evaluation regulation unit determining a temperature control value according to the evaluation value input by the man-machine interaction interface comprises the following steps:
(1) Acquiring (a ', T ', TSV ') stored in the storage module from the storage module and acquiring indoor temperature from the acquisition subsystem;
(2) The temperature control value is determined from the evaluation value, the (a ', T ', TSV ') and the indoor temperature.
When the evaluation control unit controls for the first time, the step (2) includes:
First, transmitting (a 1,T1,TSV1) signals to the storage module, which stores (a 1,T1,TSV1) in the form of (a ', T ', TSV ');
Wherein: t 1 is the indoor temperature during the first regulation; TSV 1 is an evaluation value regulated for the first time, the range of the evaluation value is 2 to-2, and the range of the corresponding evaluation value when a human body feels hot is 0 to 2; the corresponding evaluation value range when the human body feels cold is-2 to 0; a 1 is Griffith coefficient, a 1 =0.33;
Second, the temperature control value T set1 is calculated as follows:
Tset1＝T1-TSV1/a1。
When the evaluation control unit does not control for the first time, the step (2) includes:
Calculating a judgment parameter B according to the following formula:
Wherein: TSV 'is an evaluation value stored in the storage module, T' is an indoor temperature stored in the storage module, TSV (n) is an evaluation value during nth regulation and control, and T (n) is an indoor temperature during nth regulation and control; n is more than or equal to 2;
if B ε [0.2,0.5], then the temperature control value T set(n) is calculated as follows:
first, the Griffith coefficient, the indoor temperature, and the evaluation value are corrected by the following formula:
an＝[0.2(TSV(n)-TSV')/(T(n)-T')+0.8a']；
T(n)'＝(T'+T(n))/2；
TSV(n)'＝[TSV'+TSV(n)]/2；
Wherein: a n is the Griffith coefficient after correction, T (n) 'is the room temperature at the nth regulation after correction, TSV (n)' is the evaluation value at the nth regulation after correction;
Second, send (a n,T(n)',TSV(n) ') to the storage module, which updates (a ', T ', TSV ') with the value of (a n,T(n)',TSV(n) ') and stores;
thirdly, calculating a temperature control value T set(n) of the nth regulation according to the following formula:
Tset(n)＝T(n)'-TSV(n)'/an；
If it is The temperature control value T set(n) of the nth regulation is obtained according to the following formula:
Tset(n)＝T(n)-TSV(n)/a'。
when the operation instruction is an automatic setting instruction, the automatic setting module determining a temperature control value according to the automatic setting instruction includes:
The automatic setting module obtains the outdoor sliding average temperature T omn of the current day, the outdoor sliding average temperature T om(n-1) of the previous day and the indoor sliding average temperature T im(n-1) in the same time period of the previous day from the storage module;
The automatic setting unit calculates a temperature control value T set(n) according to the following formula:
Tset(n)＝Tim(n-1)+0.3[Tom(n)-Tom(n-1)]。
The determining of the indoor sliding average temperature comprises the following steps:
dividing 24 hours per day into a plurality of time periods according to a preset number, wherein the number is more than 1, and the number in the embodiment is 5;
The indoor sliding average temperature in each time period of the first day of the installation of the intelligent dynamic control system is replaced by the actual indoor average temperature in the corresponding time period;
the average indoor slip temperature in each time period of the remaining daily is calculated as follows:
Tim(n)＝0.2Tset(n)+0.8Tim(n-1)；
Wherein: t set(n) is the last set temperature control value in the period; t im(n-1) is the indoor slip average temperature over the same period of day (n-1);
The storage module calculates an indoor slip average temperature in each time period at the end of the time period and stores the calculation result.
The determining of the outdoor slip average temperature includes:
The outdoor slip temperature T om(1) of the first day of installing the intelligent dynamic control system is replaced by the outdoor average temperature calculated by the weather forecast data of the current day;
the remaining daily outdoor slip temperature T om(n) is calculated as follows:
Tom(n)＝0.8Tout(n)+0.2Tom(n-1)；
Wherein: t out(n) is the outdoor average temperature on the day calculated from the weather forecast data on day n;
The storage module calculates an outdoor slip average temperature for each day at 00:00 of each day and stores the calculation result. When the operation instruction is a humidity regulation instruction, the humidity regulation module determines a humidity control parameter according to the humidity evaluation level input by the human-computer interaction interface, and the humidity regulation module comprises:
acquiring an indoor humidity value from a humidity sensor of the acquisition subsystem and acquiring a temperature control value from the temperature regulation module;
Calculating a humidity threshold according to the temperature control value;
And determining a humidity control parameter according to the relation between the humidity value and the humidity threshold value and the humidity evaluation level.
The evaluation level includes: very dry, comfortable, moist, very moist.
The humidity control module determining the humidity control parameter according to the relation between the humidity value and the humidity threshold value and the humidity evaluation level comprises:
The humidity value is lower than the lower humidity threshold, no evaluation information or evaluation information is very dry, comfortable, moist and very moist, and the control instruction is that rated power is humidified to be above the lower humidity threshold;
The humidity value is higher than the upper humidity threshold, no evaluation information or evaluation information is very dry, comfortable, moist and very moist, and the control instruction is rated power dehumidification to be lower than the upper humidity threshold;
the humidity value is between the lower humidity threshold and the upper humidity threshold, and no humidity evaluation information exists, so that the control instruction is no action;
the humidity value is between the lower humidity threshold and the upper humidity threshold, and the humidity evaluation information is dry, so that 50% of power is humidified;
The humidity value is between the lower humidity threshold and the upper humidity threshold, and the humidity evaluation information is very dry, so that rated power is humidified;
The humidity value is between the lower humidity threshold and the upper humidity threshold, the humidity evaluation information is humidity, and 50% of power is dehumidified;
the humidity value is between the lower humidity threshold and the upper humidity threshold, the humidity evaluation information is very humid, and the rated power is humid.
The upper humidity threshold is 70% of the saturated vapor pressure corresponding to the temperature control value.
The lower humidity threshold is 40% of the saturated vapor pressure corresponding to the temperature control value.
The saturated vapor pressure P ws corresponding to the temperature set point T set is calculated as follows:
finally, it should be noted that: the described embodiments are intended to be illustrative of only some, but not all, of the embodiments of the present application and, based on the embodiments herein, all other embodiments that may be made by those skilled in the art without the benefit of the present disclosure are intended to be within the scope of the present application.
Claims (22)
1. An intelligent dynamic control system for an indoor environment, the system comprising:
the system comprises a control subsystem, a data acquisition subsystem, a weather subsystem, an adjusting subsystem and a man-machine interaction interface, wherein the data acquisition subsystem, the weather subsystem, the adjusting subsystem and the man-machine interaction interface are respectively in communication connection with the control subsystem;
The control subsystem includes: the system comprises an automatic setting module, a temperature regulation module, a humidity regulation module, a storage module, a man-machine interaction module and a parameter output module;
the man-machine interaction module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module;
the storage module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module;
the parameter output module is respectively connected with the automatic setting module, the temperature regulation module and the humidity regulation module;
The temperature regulation and control module comprises a traditional regulation and control unit, an intelligent regulation and control unit and an evaluation regulation and control unit;
the parameter output module comprises a temperature output unit, a humidity output unit and a fresh air output unit;
The automatic setting module, the traditional regulation and control unit, the intelligent regulation and control unit and the evaluation regulation and control unit are respectively connected with the temperature output unit;
the automatic setting module and the humidity regulation module are respectively connected with the humidity output unit;
The system executes the following control method:
(1) Sending an operation instruction to the control subsystem through a man-machine interaction interface;
(2) The control subsystem determines control parameters according to the operation instructions;
(3) The control subsystem sends the control parameters to an adjustment subsystem;
the operation instruction in the step (1) includes:
automatically setting an instruction, a temperature regulation instruction and a humidity regulation instruction;
The temperature regulation and control instruction comprises a traditional regulation and control instruction, an intelligent regulation and control instruction and an evaluation regulation and control instruction;
The step (2) comprises:
When the operation instruction is a traditional regulation instruction, the traditional regulation unit takes the temperature value input by the man-machine interaction interface as a temperature control value and sends the temperature value to a temperature output unit and a storage module respectively;
when the operation instruction is an intelligent regulation instruction, the intelligent regulation unit determines a temperature control value according to the parameters input by the man-machine interaction interface and sends the temperature control value to a temperature output unit and a storage module respectively;
When the operation instruction is an evaluation regulation instruction, the evaluation regulation unit determines a temperature control value according to an evaluation value input by the man-machine interaction interface and sends the temperature control value to a temperature output unit and a storage module respectively;
When the operation instruction is an automatic setting instruction, the automatic setting module determines a temperature control value according to the automatic setting instruction and sends the temperature control value to a temperature output unit and a storage module respectively; or (b)
When the operation instruction is a humidity regulation instruction, the humidity regulation module determines a humidity control parameter according to the humidity evaluation level input by the man-machine interaction interface and sends the humidity control parameter to a humidity output unit;
The evaluation regulation unit determining a temperature control value according to the evaluation value input by the man-machine interaction interface comprises the following steps:
(1) Acquiring (a ', T ', TSV ') from the storage module, acquiring an indoor temperature from the acquisition subsystem;
(2) Determining the temperature control value from the evaluation value, the (a ', T ', TSV ') and the indoor temperature;
Wherein: TSV ' is an evaluation value stored in the memory module, T ' is an indoor temperature stored in the memory module, and a ' is a Griffith coefficient.
2. The control system of claim 1, wherein the data acquisition subsystem comprises a temperature sensor, a humidity sensor, a PM2.5 sensor, and a CO2 sensor.
3. The control system of claim 2, wherein the temperature sensor is coupled to the automatic setting module and the temperature regulation module, respectively.
4. The control system of claim 2, wherein the humidity sensor is coupled to the humidity control module.
5. The control system of claim 2, wherein the PM2.5 sensor and the CO 2 sensor are each connected to the fresh air output unit.
6. The control system of claim 1, wherein the conditioning subsystem comprises a temperature conditioning device, a humidity conditioning device, a fresh air device;
the temperature regulating device is connected with the temperature output unit;
The humidity adjusting device is connected with the humidity adjusting unit;
the fresh air equipment is connected with the fresh air output unit.
7. The control system according to claim 6, wherein the temperature adjusting device, the humidity adjusting device, and the fresh air device are each provided with a number of adjusting units greater than 1 in a common room.
8. The control system of claim 1, wherein the weather subsystem comprises:
a temperature sensor, a humidity sensor, a PM2.5 sensor, a solar radiation sensor, a wind speed sensor, a wind pressure sensor and a rainfall sensor;
The temperature sensor is respectively connected with the storage module and the temperature regulation module;
the humidity sensor is connected with the humidity control module.
9. The control system according to claim 1, wherein when the operation instruction is an intelligent regulation instruction, the intelligent regulation unit determining a temperature control value according to a parameter input by the man-machine interaction interface includes:
The intelligent regulation and control unit calculates the temperature t a of the air around the human body according to the following average thermal sensation index PMV formula:
PMV＝(0.303e-0.036M+0.0275)×{M-W-3.05[5.733-0.007(M-W)-Pa]
-0.42(M-W-58.15)-1.73×10-2M(5.867-Pa)-fclhc(tcl-ta)
-0.0014M(34-ta)-3.96×10-8fcl[(tcl+273)4-(tr+273)4]}
Wherein: wherein M is the metabolism rate of human body, W/M 2; w is mechanical work done by human body to outside, W/m 2;hc is convection heat transfer coefficient, W/m 2·℃;Pa is water vapor partial pressure of air around human body, and P a;fcl is clothing area coefficient; t r is the indoor average radiation temperature, DEG C; t cl is the temperature of the outer surface of the garment, DEG C;
The human body ambient air temperature T a is taken as a temperature control value T set(n) for the day.
10. The control system of claim 9, wherein the human metabolism rate M is calculated as:
M＝(M’-0.8)+[72.91-2.03A+0.0437A2-0.00031A3]/58.2；
Wherein: m' is the metabolic rate of the human body under different activity types, and A is the age in the parameters.
11. The control system of claim 9, wherein the PMV value comprises:
determining the value of PMV according to the corresponding relation between the temperature interval formed by the maximum statistic value and the minimum statistic value of the outdoor sliding average temperature of the city and the PMV value interval [ -1,1 ]:
When the outdoor temperature reaches the maximum statistical value, the PMV takes 1;
when the outdoor temperature reaches the minimum statistical value, the PMV takes-1;
when the outdoor temperature is at a temperature between the maximum statistical value and the minimum statistical value, the PMV takes a value in a PMV value interval [ -1,1] corresponding to the temperature.
12. The control system according to claim 1, wherein the step (2) includes, when the evaluation regulation unit regulates for the first time:
First, transmitting (a 1,T1,TSV1) signals to the memory module, which stores (a 1,T1,TSV1) in the form of (a ', T ', TSV ');
Wherein: t 1 is the indoor temperature during the first regulation; TSV 1 is an evaluation value regulated for the first time, the range of the evaluation value is 2 to-2, and the range of the corresponding evaluation value when a human body feels hot is 0 to 2; the corresponding evaluation value range when the human body feels cold is-2 to 0; a 1 is Griffith coefficient, a 1 =0.33;
Second, the temperature control value T set1 is calculated as follows:
Tset1＝T1-TSV1/a1。
13. the control system according to claim 12, wherein when the evaluation regulation unit does not regulate for the first time, the step (2) includes:
Calculating a judgment parameter B according to the following formula:
Wherein: TSV (n) is an evaluation value at the nth regulation and T (n) is an indoor temperature at the nth regulation; n is more than or equal to 2;
if B ε [0.2,0.5], then the temperature control value T set(n) is calculated as follows:
first, the Griffith coefficient, the indoor temperature, and the evaluation value are corrected by the following formula:
an＝[0.2(TSV(n)-TSV')/(T(n)-T')+0.8a']；
T(n)'＝(T'+T(n))/2；
TSV(n)'＝[TSV'+TSV(n)]/2；
Wherein: a n is the Griffith coefficient after correction, T (n) 'is the room temperature at the nth regulation after correction, TSV (n)' is the evaluation value at the nth regulation after correction;
Second, send (a n,T(n)',TSV(n) ') to the storage module, which updates (a ', T ', TSV ') with the value of (a n,T(n)',TSV(n) ') and stores;
thirdly, calculating a temperature control value T set(n) of the nth regulation according to the following formula:
Tset(n)＝T(n)'-TSV(n)'/an；
If it is The temperature control value T set(n) of the nth regulation is obtained according to the following formula:
Tset(n)＝T(n)-TSV(n)/a'。
14. The control system of claim 1, wherein when the operation instruction is an automatic setting instruction, the automatic setting module determining a temperature control value according to the automatic setting instruction comprises:
The automatic setting module obtains the outdoor sliding average temperature T om(n) of the current day, the outdoor sliding average temperature T om(n-1) of the previous day and the indoor sliding average temperature T im(n-1) in the same time period of the previous day from the storage module;
The automatic setting module calculates a temperature control value T set(n) according to the following formula:
Tset(n)＝Tim(n-1)+0.3[Tom(n)-Tom(n-1)]。
15. The control system of claim 14, wherein the determination of the indoor slip average temperature comprises:
dividing 24 hours per day into a plurality of time periods according to a preset number;
The indoor sliding average temperature in each time period of the first day of the installation of the intelligent dynamic control system is replaced by the actual indoor average temperature in the corresponding time period;
the average indoor slip temperature in each time period of the remaining daily is calculated as follows:
Tim(n)＝0.2Tset(n)+0.8Tim(n-1)；
Wherein: t set(n) is the last set temperature control value in the period; t im(n-1) is the indoor slip average temperature over the same period of day (n-1);
The storage module calculates an indoor slip average temperature in each time period at the end of the time period and stores the calculation result.
16. The control system of claim 11 or 14, wherein the determination of the outdoor slip average temperature comprises:
the outdoor sliding average temperature T om(1) of the first day of installing the intelligent dynamic control system is replaced by the outdoor average temperature calculated by the weather forecast data of the current day;
The outdoor slip average temperature T om(n) for the remaining days was calculated as follows:
Tom(n)＝0.8Tout(n)+0.2Tom(n-1)；
Wherein: t out(n) is the outdoor average temperature on the day calculated from the weather forecast data on day n;
the storage module calculates an outdoor slip average temperature for each day at 00:00 of each day and stores the calculation result.
17. The control system of claim 1, wherein when the operation command is a humidity control command, the humidity control module determining a humidity control parameter according to a humidity evaluation level input by the human-computer interaction interface comprises:
acquiring an indoor humidity value from a humidity sensor of the acquisition subsystem and acquiring a temperature control value from the temperature regulation module;
Calculating a humidity threshold according to the temperature control value;
And determining a humidity control parameter according to the relation between the humidity value and the humidity threshold value and the humidity evaluation level.
18. The control system of claim 17, wherein the evaluation level comprises: very dry, comfortable, moist, very moist.
19. The control system of claim 18, wherein the humidity control module determining a humidity control parameter based on the relationship between the humidity value and the humidity threshold and the humidity rating comprises:
The humidity value is lower than a humidity lower limit threshold, no evaluation information or evaluation information is very dry, comfortable, moist and very moist, and the control instruction is that rated power is humidified to be above the humidity lower limit threshold;
The humidity value is higher than the upper humidity threshold, no evaluation information or evaluation information is very dry, comfortable, moist and very moist, and the control instruction is rated power dehumidification to be lower than the upper humidity threshold;
The humidity value is between a lower humidity threshold and an upper humidity threshold, and no humidity evaluation information exists, and the control instruction is no action;
The humidity value is between a lower humidity threshold and an upper humidity threshold, and the humidity evaluation information is dry, so that 50% of power is humidified;
the humidity value is between a lower humidity threshold and an upper humidity threshold, and the humidity evaluation information is very dry, so that rated power is humidified;
The humidity value is between the lower humidity threshold and the upper humidity threshold, the humidity evaluation information is humidity, and 50% of power is dehumidified;
The humidity value is between the lower humidity threshold and the upper humidity threshold, and the humidity evaluation information is very humid, and rated power is dehumidified.
20. The control system of claim 19, wherein the upper humidity threshold is 70% of a saturated vapor pressure corresponding to the temperature control value.
21. The control system of claim 19, wherein the lower humidity threshold is 40% of a saturated vapor pressure corresponding to the temperature control value.
22. The control system of claim 20 or 21, wherein the saturated vapor pressure P ws corresponding to the temperature control value T set is calculated as follows:
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