CN111076375A - Control method and system for fresh air ventilation of air conditioner and information data processing terminal - Google Patents

Control method and system for fresh air ventilation of air conditioner and information data processing terminal Download PDF

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Publication number
CN111076375A
CN111076375A CN201911235224.XA CN201911235224A CN111076375A CN 111076375 A CN111076375 A CN 111076375A CN 201911235224 A CN201911235224 A CN 201911235224A CN 111076375 A CN111076375 A CN 111076375A
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fresh air
air
air conditioner
gear
ventilation
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Chinese (zh)
Inventor
舒元佳
杨志富
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • F24F11/0001—Control or safety arrangements for ventilation
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • 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
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • 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
    • F24F2130/10—Weather information or forecasts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention belongs to the technical field of air conditioner ventilation control, and discloses a control method and a system for fresh air ventilation of an air conditioner and an information data processing terminal, wherein the current weather condition is collected in real time through wifi, and the collected information is stored in air conditioner storage equipment; selecting whether to start a comfortable fresh air function; after the comfortable fresh air function is started, according to the collected outdoor environment information, the air quality, the custom set by the user and the size of the current place; the gear and the operation time of a fresh air motor are selected through a fresh air control algorithm, and the gear and the position of an air deflector in the indoor fan can be controlled in a linkage manner; the output is feedback regulated by monitoring the indoor ambient temperature. The invention can realize the optimal control of the fresh air ventilation device of the air conditioner, and simultaneously, the air conditioner indoor fan and the air deflector are linked, thereby providing a comfortable fresh air environment for users. In the normal use process of the air conditioner, the normal refrigerating and heating effect of the air conditioner can be ensured, the circulation of indoor air can be considered, and the comfortable experience is brought to users.

Description

Control method and system for fresh air ventilation of air conditioner and information data processing terminal
Technical Field
The invention belongs to the technical field of air conditioner ventilation control, and particularly relates to a control method and system for fresh air ventilation of an air conditioner and an information data processing terminal.
Background
Currently, the closest prior art: the fresh air system is communicated with outdoor air by utilizing fan power, pipeline and exhaust technology to form circulation and form movement of indoor air flow, thereby improving indoor air quality. The main function of the fresh air system is ventilation, indoor turbid air is discharged outdoors, and outdoor fresh air is introduced, so that indoor and outdoor air circulation is realized. In the conventional air conditioning industry, air conditioners are generally used in enclosed places. People live and work in the environment for a long time, people are suffocated due to insufficient fresh air, the head of the people feels oppressed, and the like, and the air conditioner with the fresh air function in the market can not be flexibly used in various places aiming at different use environments.
In summary, the problems of the prior art are as follows: at present, an air conditioner with a fresh air function cannot be flexibly used in various places; the fresh air in the place is insufficient, people suffocate, and the head has oppression.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a control method and a system for fresh air ventilation of an air conditioner and an information data processing terminal.
The invention is realized in this way, a control method of fresh air ventilation of an air conditioner, the control method of fresh air ventilation of the air conditioner comprises the following steps:
the method comprises the steps that firstly, the current weather condition is collected in real time through wifi, and collected information is stored in air conditioner storage equipment;
secondly, selecting whether to start a comfortable fresh air function or not;
thirdly, after the comfortable fresh air function is started, setting habits and the size of the current place according to the collected outdoor environment information, the air quality and the user; the gear and the operation time of a fresh air motor are selected through a fresh air control algorithm, and the gear and the position of an air deflector in the indoor fan can be controlled in a linkage manner;
and fourthly, feeding back and adjusting output by monitoring the indoor environment temperature.
Further, the current weather conditions of the control method for fresh air ventilation of the air conditioner comprise outdoor environment temperature and air quality.
Further, the third fresh air control algorithm comprises: when the air conditioner is in a normal working state, after the comfortable fresh air function is started, the optimal control rule of the fresh air motor is selected under the condition that the normal function of the air conditioner is not influenced, so that the indoor air and the outdoor air are exchanged in the shortest time; the air quality coefficient is Q, the user sets the initial temperature to be T set to be 0, the outdoor initial environment temperature is T outer ring 0, the indoor initial environment temperature is T inner ring 0, the indoor space volume Vtotal used by the air conditioner, and the fresh air motor can select a gear D1 … Df, wherein f > is 1; when one gear Di is selected and corresponds to a fixed fresh air quantity delta i, the operation time of the new fan under the gear is ti.
Further, after the comfortable fresh air function is started, the problem of controlling the minimum running time of the fresh air motor with constraint conditions is converted into the following problem:
the operation of the new fan needs to meet the following conditions:
Figure BDA0002304710650000021
the new fan operating time ti of any gear meets the constraint condition:
Figure BDA0002304710650000022
wherein δ max is the fresh air volume corresponding to the maximum gear of the fresh air fan, and δ min is the fresh air volume corresponding to the minimum gear of the fresh air fan;
initial state: t is (0) ═ T is 0, T inner ring (0) ═ T inner ring 0, T outer ring (0) ═ T outer ring 0;
end state: t is (tf) ═ T and tf, T inner ring (tf) ═ T inner ring tf, T outer ring (tf) ═ T outer ring tf;
the optimal control conversion of the fresh air running time and the fresh air running gear is to determine the starting rule u (t) of the fresh air fan under the condition of meeting the constraint condition, so that the air conditioner is transferred from an initial state to a required terminal state, and the time consumed by starting and ventilating the fresh air is the shortest.
Further, when new fan accomplished taking a breath, indoor air conditioning operation is comfortable, then the system is terminal freely to have the restraint:
t is (tf) -1 and less than or equal to T, and T is (tf) + 1;
q (tf) is less than or equal to Q, so that the human body is comfortable;
the constraint of fresh air fan opening u (t) is as follows:
u(t)∈Ω，Ω＝{u(t)|0≤u(t)≤α}，
Figure BDA0002304710650000031
time-varying system, final performance index:
Figure BDA0002304710650000032
Figure BDA0002304710650000033
t inner ring (0) ═ T inner ring 0;
② ψ [ T inner ring (tf), tf ═ 0;
then there are r-dimensional non-zero constant vectors γ and n-dimensional vectors λ (t) that make the optimal solution satisfy the following requirements:
the regular equation:
Figure BDA0002304710650000034
wherein the hamiltonian equation:
h (T inner loop, u, λ, T) ═ λT(T) f (T inner loop, u, T);
boundary conditions and cross-section conditions:
t inner ring (0) ═ T inner ring 0;
ψ [ T inner ring (tf), tf ═ 0;
Figure BDA0002304710650000035
minimum value conditions:
Figure BDA0002304710650000036
rate of change of Hamiltonian along the optimal trajectory:
Figure BDA0002304710650000037
taking the absolute minimum value of h relative to u x (t) from the minimum conditions, we obtained u x (t).
Furthermore, after a fresh air opening rule is obtained, a fresh air fan is opened at a fresh air gear, and according to the difference of fresh air volume at different gears, the gear of the fan and the angle of the air deflector in the air conditioner are adjusted.
Another object of the present invention is to provide a control system for fresh air ventilation of an air conditioner, which implements the control method for fresh air ventilation of an air conditioner, the control system for fresh air ventilation of an air conditioner comprising:
the weather information acquisition module is used for acquiring the current weather condition in real time, and storing the current weather condition in the air conditioner storage equipment after information is acquired;
the fresh air starting judgment module is used for selecting whether to start a comfortable fresh air function;
the fresh air control module is used for selecting a fresh air motor gear and the operation time according to the collected outdoor environment information, the air quality, the habit set by a user and the size of the current place through a fresh air optimal control algorithm and simultaneously controlling the gear of an indoor fan and the position of an air deflector in a linkage manner;
and the feedback regulation module is used for carrying out feedback regulation on output by monitoring the indoor environment temperature.
The invention also aims to provide an information data processing terminal for realizing the control method of fresh air ventilation of the air conditioner.
Another object of the present invention is to provide a computer-readable storage medium, which includes instructions that, when executed on a computer, cause the computer to execute the method for controlling fresh air ventilation of an air conditioner.
The invention also aims to provide the air conditioner applying the control method for fresh air ventilation of the air conditioner.
In summary, the advantages and positive effects of the invention are: the air conditioner fresh air ventilation device is optimally controlled according to the use environment of the user, the use habit of the user and the like, and meanwhile, the indoor fan and the air deflector of the air conditioner are linked to provide a comfortable fresh air environment for the user. In the normal use process of the air conditioner, the normal refrigerating and heating effect of the air conditioner can be ensured, the circulation of indoor air can be considered, and the comfortable experience is brought to users.
The invention meets the requirements of various places and crowds, and can realize the optimal fresh air control mode; quantifying indoor ventilation frequency; the air conditioner can be linked with the load of an air conditioner internal unit, and the comfort of a user is considered; the air conditioner fresh air ventilation device can be optimally controlled according to the use environment of a user, the use habit of the user and the like, and meanwhile, the indoor fan and the air deflector of the air conditioner are linked to provide a comfortable fresh air environment for the user.
Drawings
Fig. 1 is a flow chart of a control method for fresh air ventilation of an air conditioner according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a control system for fresh air ventilation of an air conditioner according to an embodiment of the present invention;
in the figure: 1. a weather information acquisition module; 2. a fresh air starting judgment module; 3. a fresh air control module; 4. and a feedback regulation module.
Fig. 3 is a schematic diagram of real-time information collection provided by the embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating a function determination of fresh air of an air conditioner according to an embodiment of the present invention.
Fig. 5 is a logic block diagram of a comfortable fresh air control provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems in the prior art, the present invention provides a method and a system for controlling fresh air ventilation of an air conditioner, and an information data processing terminal, and the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the method for controlling fresh air ventilation of an air conditioner according to an embodiment of the present invention includes the following steps:
s101: the current weather conditions including outdoor environment temperature, air quality and the like can be collected in real time through devices such as wifi and the like; and after the information is collected, the information is stored in the air conditioner storage equipment.
S102: selecting whether to start a comfortable fresh air function;
s103: after the comfortable fresh air function is started, according to the collected outdoor environment information, the air quality, the habit set by a user and the size of the current place, the gear and the operation time of a fresh air motor can be selected through a fresh air optimal control algorithm, and the gear and the position of an air deflector of an indoor fan can be controlled in a linkage mode; the output is feedback regulated by monitoring the indoor ambient temperature.
As shown in fig. 2, a control system for fresh air ventilation of an air conditioner according to an embodiment of the present invention includes:
and the weather information acquisition module 1 is used for acquiring the current weather condition in real time, and storing the current weather condition in the air conditioner storage equipment after information is acquired.
And the fresh air opening judgment module 2 is used for selecting whether to open a comfortable fresh air function.
And the fresh air control module 3 is used for selecting the gear and the operation time of a fresh air motor according to the collected outdoor environment information, the air quality, the user setting habit and the size of the current place through a fresh air optimal control algorithm, and simultaneously, the gear and the air deflector position of the indoor fan can be controlled in a linkage manner.
And the feedback regulation module 4 is used for carrying out feedback regulation on output by monitoring the indoor environment temperature.
The technical solution of the present invention is further described below with reference to the accompanying drawings.
As shown in fig. 3, the current weather conditions including outdoor ambient temperature, air quality and the like can be collected in real time through wifi and other devices; when a user uses a human-computer interaction software platform such as APP and the like, the user can select a use environment and input the current room area, the floor height of a common place is fixed, and the size of the space volume of the use environment is obtained; and because of different use places, such as bedrooms, study rooms, living rooms, children rooms and the like, the air conditioner setting requirements are different, and the user setting habit data is recorded. And after the information is collected, the information is stored in the air conditioner storage equipment.
As shown in fig. 4, whether to turn on the comfort fresh air function may be selected.
As shown in fig. 5, after the comfortable fresh air function is started, according to the collected outdoor environment information, the air quality, the user setting habit and the size of the current place, the gear and the operation time of the fresh air motor can be selected through a fresh air optimal control algorithm, and the gear and the air deflector position of the indoor fan can be controlled in a linkage manner. In addition, the output is feedback regulated by monitoring the indoor ambient temperature.
According to the invention, the control of the fresh air running time and the fresh air running gear is converted into the seeking fresh air running rule meeting the constraint condition through an optimal algorithm, so that the time consumption of air exchange is shortest when the performance of the air conditioner is optimal. The fresh air running time can be intelligently controlled, the gear of a fresh air motor is adjusted, and the indoor ventilation frequency is quantized; and meanwhile, the air conditioner is linked with the load of an air conditioner indoor unit, so that the comfort of a user is considered.
When the air conditioner is in a normal working state, after the comfortable fresh air function is started, the optimal control rule of the fresh air motor is selected without influencing the normal function of the air conditioner, so that the indoor air and the outdoor air are exchanged in the shortest time, and the operation effect of the air conditioner is ensured. If the air quality coefficient is Q, the user sets the initial temperature to T set to 0, the outdoor initial ambient temperature to T outer ring 0, the indoor initial ambient temperature to T inner ring 0, the indoor space volume Vtotal used by the air conditioner, and the fresh air motor may select the gear D1 … Df, where f > is 1. When one gear Di is selected to correspond to a fixed fresh air quantity delta i (unit: m3/h), the operation time of the new fan under the gear is ti (unit: h).
After the comfortable fresh air function is started, the problem of controlling the fresh air motor with constraint conditions to operate within the shortest time is converted into the following problem:
the operation of the new fan needs to meet the following conditions:
Figure BDA0002304710650000071
the new fan operating time ti of any gear meets the constraint condition:
Figure BDA0002304710650000072
and delta max is the fresh air volume corresponding to the maximum gear of the fresh air fan, and delta min is the fresh air volume corresponding to the minimum gear of the fresh air fan.
Initial state: t is (0) ═ T is 0, T inner ring (0) ═ T inner ring 0, and T outer ring (0) ═ T outer ring 0.
End state: t is (tf) ═ T and tf, T inner ring (tf) ═ T inner ring tf, and T outer ring (tf) ═ T outer ring tf.
Then, the optimal control conversion of the fresh air running time and the fresh air running gear is to seek the opening rule u (t) of the fresh air machine under the condition of meeting the constraint condition, so that the air conditioner is transferred from the initial state to the required terminal state, and the time consumed by opening and air exchange of the fresh air is the shortest.
When the new fan finishes ventilation, the indoor air conditioner runs comfortably, and the system is free to be restricted in the end state:
t is (tf) -1 and less than or equal to T, and T is (tf) + 1;
q (tf) is less than or equal to Q, so that the human body is comfortable;
the constraint of fresh air fan opening u (t) is as follows:
u(t)∈Ω，Ω＝{u(t)|0≤u(t)≤α}，
Figure BDA0002304710650000073
time-varying system, final performance index:
Figure BDA0002304710650000074
Figure BDA0002304710650000075
t inner ring (0) ═ T inner ring 0;
② ψ [ T inner ring (tf), tf ═ 0;
then there must be an r-dimensional non-zero constant vector γ and an n-dimensional vector λ (t) such that the optimal solution satisfies the following requirements:
the regular equation:
Figure BDA0002304710650000081
wherein the hamiltonian equation:
h (T inner loop, u, λ, T) ═ λT(T) f (T inner loop, u, T);
boundary conditions and cross-section conditions:
t inner ring (0) ═ T inner ring 0;
ψ [ T inner ring (tf), tf ═ 0;
Figure BDA0002304710650000082
minimum value conditions:
Figure BDA0002304710650000083
rate of change of Hamiltonian along the optimal trajectory:
Figure BDA0002304710650000084
taking the absolute minimum value of h relative to u x (t) under the minimal condition, u x (t) can be obtained.
After the fresh air opening rule is obtained, the fresh air fan opens a certain fresh air gear, and the gear of the fan and the angle of the air deflector in the air conditioner can be adjusted according to the different fresh air quantities under different gears, so that the indoor air circulation is improved, and the condition of directly blowing people is avoided.
If the fresh air fan is not controlled by the optimal algorithm, the air volume of the fresh air fan can be adjusted in real time by combining the indoor air quality condition.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A control method for fresh air ventilation of an air conditioner is characterized by comprising the following steps:
the method comprises the steps that firstly, the current weather condition is collected in real time through wifi, and collected information is stored in air conditioner storage equipment;
secondly, selecting whether to start a comfortable fresh air function or not;
thirdly, after the comfortable fresh air function is started, setting habits and the size of the current place according to the collected outdoor environment information, the air quality and the user; the gear and the operation time of a fresh air motor are selected through a fresh air control algorithm, and the gear and the position of an air deflector in the indoor fan can be controlled in a linkage manner;
and fourthly, feeding back and adjusting output by monitoring the indoor environment temperature.
2. The method as claimed in claim 1, wherein the current weather conditions include outdoor ambient temperature and air quality.
3. The method for controlling fresh air ventilation of an air conditioner as claimed in claim 1, wherein said third fresh air control algorithm comprises: when the air conditioner is in a normal working state, after the comfortable fresh air function is started, the optimal control rule of the fresh air motor is selected under the condition that the normal function of the air conditioner is not influenced, so that the indoor air and the outdoor air are exchanged in the shortest time; the air quality coefficient is Q, the user sets the initial temperature to be T set to be 0, the outdoor initial environment temperature is T outer ring 0, the indoor initial environment temperature is T inner ring 0, the indoor space volume Vtotal used by the air conditioner, and the fresh air motor can select a gear D1 … Df, wherein f > is 1; when one gear Di is selected and corresponds to a fixed fresh air quantity delta i, the operation time of the new fan under the gear is ti.
4. The method for controlling fresh air ventilation of an air conditioner as claimed in claim 3, wherein after the comfortable fresh air function is started, the problem of controlling the minimum time for the operation of the fresh air motor with the constraint condition is converted into the following problem:
the operation of the new fan needs to meet the following conditions:
Figure FDA0002304710640000011
the new fan operating time ti of any gear meets the constraint condition:
Figure FDA0002304710640000012
wherein δ max is the fresh air volume corresponding to the maximum gear of the fresh air fan, and δ min is the fresh air volume corresponding to the minimum gear of the fresh air fan;
initial state: t is (0) ═ T is 0, T inner ring (0) ═ T inner ring 0, T outer ring (0) ═ T outer ring 0;
end state: t is (tf) ═ T and tf, T inner ring (tf) ═ T inner ring tf, T outer ring (tf) ═ T outer ring tf;
the optimal control conversion of the fresh air running time and the fresh air running gear is to determine the starting rule u (t) of the fresh air fan under the condition of meeting the constraint condition, so that the air conditioner is transferred from an initial state to a required terminal state, and the time consumed by starting and ventilating the fresh air is the shortest.
5. The method for controlling fresh air ventilation of an air conditioner according to claim 3, wherein when the fresh air fan completes ventilation, the indoor air conditioner operates comfortably, and the system is free to have constraints in the end state:
t is (tf) -1 and less than or equal to T, and T is (tf) + 1;
q (tf) is less than or equal to Q, so that the human body is comfortable;
the constraint of fresh air fan opening u (t) is as follows:
u(t)∈Ω，Ω＝{u(t)|0≤u(t)≤α}，
Figure FDA0002304710640000021
time-varying system, final performance index:
Figure FDA0002304710640000022
s.t.①
Figure FDA0002304710640000023
t inner ring (0) ═ T inner ring 0;
② ψ [ T inner ring (tf), tf ═ 0;
then there are r-dimensional non-zero constant vectors γ and n-dimensional vectors λ (t) that make the optimal solution satisfy the following requirements:
the regular equation:
Figure FDA0002304710640000024
wherein the hamiltonian equation:
h (T inner loop, u, λ, T) ═ λT(T) f (T inner loop, u, T);
boundary conditions and cross-section conditions:
t inner ring (0) ═ T inner ring 0;
ψ [ T inner ring (tf), tf ═ 0;
Figure FDA0002304710640000031
minimum value conditions:
Figure FDA0002304710640000032
rate of change of Hamiltonian along the optimal trajectory:
Η(T*inner ring (tf)*)，u*(tf*)，λ(tf*)，
Figure FDA0002304710640000033
Taking the absolute minimum value of h relative to u x (t) from the minimum conditions, we obtained u x (t).
6. The method for controlling fresh air ventilation of an air conditioner according to claim 1, wherein after a fresh air opening rule is obtained, the fresh air fan opens a fresh air gear, and the gear of the fan and the angle of the air deflector in the air conditioner are adjusted according to the difference of fresh air volume at different gears.
7. A control system for fresh air ventilation of an air conditioner for implementing the control method for fresh air ventilation of an air conditioner according to any one of claims 1 to 6, the control system for fresh air ventilation of an air conditioner comprising:
the weather information acquisition module is used for acquiring the current weather condition in real time, and storing the current weather condition in the air conditioner storage equipment after information is acquired;
the fresh air starting judgment module is used for selecting whether to start a comfortable fresh air function;
the fresh air control module is used for selecting a fresh air motor gear and the operation time according to the collected outdoor environment information, the air quality, the habit set by a user and the size of the current place through a fresh air optimal control algorithm and simultaneously controlling the gear of an indoor fan and the position of an air deflector in a linkage manner;
and the feedback regulation module is used for carrying out feedback regulation on output by monitoring the indoor environment temperature.
8. An information data processing terminal for realizing the control method of fresh air ventilation of the air conditioner as claimed in any one of claims 1 to 6.
9. A computer-readable storage medium comprising instructions which, when executed on a computer, cause the computer to execute the method for controlling fresh air ventilation of an air conditioner according to any one of claims 1 to 6.
10. An air conditioner using the method for controlling fresh air ventilation of the air conditioner as claimed in any one of claims 1 to 6.
CN201911235224.XA 2019-12-05 2019-12-05 Control method and system for fresh air ventilation of air conditioner and information data processing terminal Pending CN111076375A (en)

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CN111720957A (en) * 2020-05-27 2020-09-29 苏州新森智能科技有限公司 Passive room intelligence new trend air conditioner control system
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CN112923523A (en) * 2021-02-03 2021-06-08 深圳市美兆环境股份有限公司 Intelligent fresh air system regulation and control method based on data link of Internet of things
CN113513800A (en) * 2021-04-25 2021-10-19 西南交通大学 Based on CO2Fresh air system control method and device for concentration and building ventilation rate
CN113513800B (en) * 2021-04-25 2022-06-17 西南交通大学 Fresh air system control method and device based on CO2 concentration and building ventilation rate
CN113983659A (en) * 2021-10-18 2022-01-28 杭州行至云起科技有限公司 Fresh air system control method and control device thereof
CN113983659B (en) * 2021-10-18 2022-09-23 杭州行至云起科技有限公司 Fresh air system control method and control device thereof
CN114110918A (en) * 2021-11-29 2022-03-01 宁波奥克斯电气股份有限公司 Fresh air control method and device, fresh air conditioner and computer storage medium
CN114704913A (en) * 2022-03-18 2022-07-05 青岛海尔空调器有限总公司 Fresh air device control method, control equipment, electronic equipment and medium
WO2024041063A1 (en) * 2022-08-22 2024-02-29 青岛海尔空调器有限总公司 Method and apparatus for controlling fresh air conditioning system, and fresh air conditioning system
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