CN112594894A - Control method and system for fresh air fan and fresh air fan - Google Patents
Control method and system for fresh air fan and fresh air fan Download PDFInfo
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- CN112594894A CN112594894A CN202110083553.8A CN202110083553A CN112594894A CN 112594894 A CN112594894 A CN 112594894A CN 202110083553 A CN202110083553 A CN 202110083553A CN 112594894 A CN112594894 A CN 112594894A
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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
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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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
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- 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
- F24F11/77—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 by controlling the speed of ventilators
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- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method of a fresh air machine, which comprises the following steps: acquiring outdoor environment temperature To, indoor environment temperature T1 and indoor unit air supply temperature Ta; controlling the operation mode of the fresh air fan according To the outdoor environment temperature To and the indoor environment temperature T1; and controlling the running frequency of the fresh air fan according to the air supply temperature Ta of the indoor unit and the indoor environment temperature T1. When the new fan is started, the operation mode can be intelligently judged and selected by acquiring the difference between the outdoor environment temperature and the indoor environment temperature, the proper operation frequency is determined by comparing the air supply temperature and the difference between the indoor environment temperature, the new fan unit can be reasonably output, the overload operation is prevented, the service life of the unit and the comfort of a user are influenced, and the energy consumption is saved.
Description
Technical Field
The invention relates to the field of fresh air fans, in particular to a control method and a control system for a fresh air fan and the fresh air fan.
Background
Domestic new fans are increasingly popularized in China, and most of control systems of mainstream new fans are controlled by a remote controller and an operation panel at present. Therefore, the degree of automation of the current fresh air fan system is generally low, automatic control cannot be carried out, good indoor environment cannot be created for users automatically, reliability and comfortableness of unit operation are not improved, user experience is poor, and waste of energy use is caused.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides a control method and system for a fresh air fan and the fresh air fan. The method can intelligently judge the operation mode by acquiring the difference between the outdoor environment temperature and the indoor environment temperature, and determine the operation frequency by comparing the difference between the air supply temperature and the indoor environment temperature, so that the control accuracy and efficiency of the fresh air machine are improved, and unnecessary energy loss is avoided.
In order to achieve the above object, an embodiment of the present invention provides a control method for a fresh air machine, including the following steps:
acquiring outdoor environment temperature To, indoor environment temperature T1 and indoor unit air supply temperature Ta;
controlling the operation mode of the fresh air fan according To the outdoor environment temperature To and the indoor environment temperature T1;
and controlling the running frequency of the fresh air fan according to the air supply temperature Ta of the indoor unit and the indoor environment temperature T1.
Further, the operation mode includes: a cooling mode, a heating mode and an air supply mode.
Further, the controlling the operation frequency of the fresh air machine according to the indoor unit air supply temperature Ta and the indoor environment temperature T1 includes: and controlling the operation frequency of the cooling mode and the heating mode of the fresh air fan according to the air supply temperature Ta of the indoor unit and the indoor environment temperature T1.
Further, the step of selecting the operation mode according To the outdoor ambient temperature To and the indoor ambient temperature T1 specifically includes:
when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a first temperature difference value range, the indoor unit sends a refrigeration operation requirement To the outdoor unit and operates a refrigeration mode;
when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a second temperature difference value range, the air supply mode is operated, and the outdoor unit has no operation mode requirement;
when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a third temperature difference value range, the indoor unit sends a heating operation requirement To the outdoor unit and operates a heating mode;
the first temperature difference range is larger than the second temperature difference range, and the second temperature difference range is larger than the third temperature difference range.
Further, the step of controlling the operating frequency of the fresh air machine according to the indoor unit air supply temperature Ta and the indoor environment temperature T1 specifically includes: when the air conditioner operates in the cooling mode, the larger the difference between the indoor unit air supply temperature Ta and the indoor environment temperature T1 is, the larger the target frequency range is.
Further, the step of controlling the operating frequency of the fresh air machine according to the indoor unit air supply temperature Ta and the indoor environment temperature T1 specifically includes: when the heating mode is in operation, the smaller the difference between the indoor unit supply air temperature Ta and the indoor ambient temperature T1, the larger the target frequency range.
Further, the step of controlling the operating frequency of the fresh air machine according to the indoor unit air supply temperature Ta and the indoor environment temperature T1 further includes: and when the difference value obtained by subtracting the indoor environment temperature T1 from the indoor unit air supply temperature Ta is smaller than a third preset temperature value, the outdoor unit is stopped for a preset time, the indoor unit runs the air supply mode, and the mode judgment is carried out again after the preset time.
Further, the step of controlling the operating frequency of the fresh air machine according to the indoor unit air supply temperature Ta and the indoor environment temperature T1 further includes: and when the difference value obtained by subtracting the indoor environment temperature T1 from the indoor unit air supply temperature Ta is greater than or equal to a fourth preset temperature value for a preset time, the outdoor unit is stopped, the indoor unit runs the air supply mode, and the mode judgment is re-entered after the preset time.
On the other hand, an embodiment of the present invention further provides a control system for a new fan, including:
the acquisition module is used for acquiring the outdoor environment temperature To, the indoor environment temperature T1 and the indoor unit air supply temperature Ta;
the determining module is used for determining the operation mode of the fresh air fan according To the outdoor environment temperature To and the indoor environment temperature T1, and determining the operation frequency of the fresh air fan according To the indoor unit air supply temperature Ta and the indoor environment temperature T1;
and the control module is used for controlling the operation mode and the operation frequency of the fresh air fan.
On the other hand, the embodiment of the invention also provides a new fan, which comprises
The system is described above.
Through adopting above-mentioned technical scheme, when new fan starts, can be through acquireing outdoor ambient temperature and indoor ambient temperature difference intelligent judgement selection operational mode, through the comparison air supply temperature
The proper operation frequency is determined according to the difference value between the temperature and the indoor environment temperature, so that the fresh air fan unit can reasonably output, the overload operation is prevented, the service life of the fresh air fan unit and the comfort of a user are influenced, and the energy consumption is saved.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention.
In the drawings:
fig. 1 shows a flow chart of a control method for a fresh air machine in a first embodiment;
fig. 2 shows a flow chart of a control method for a fresh air machine in a second embodiment;
fig. 3 shows a flow chart of a control method for a fresh air machine in a third embodiment;
FIG. 4 shows a block diagram of a control system for a fresh air machine in one embodiment.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "including" and "having," and any variations thereof, in the description and claims of embodiments of the present disclosure and the above-described drawings are intended to cover non-exclusive inclusions.
Fig. 1 shows a flow chart of a control method for a fresh air machine in a first embodiment. As shown in fig. 1, an embodiment of the present invention provides a control method for a fresh air machine, including the following steps:
step S100, obtaining an outdoor environment temperature To, an indoor environment temperature T1 and an indoor unit air supply temperature Ta;
the step S10 may be executed by using an obtaining module, and when the fresh air machine is turned on, the obtaining module first operates To obtain temperature values of the outdoor ambient temperature To, the indoor ambient temperature T1, and the indoor unit air supply temperature Ta.
Step S200, controlling the operation mode of the fresh air fan according To the outdoor environment temperature To and the indoor environment temperature T1;
the determination module determines the operation mode of the fresh air fan according To the acquired outdoor environment temperature To and indoor environment temperature T1, wherein the operation mode can be a cooling mode, a heating mode and an air supply mode, and the control module can be used for switching the operation mode of the fresh air fan through the target operation mode determined by the determination module.
And step S300, controlling the running frequency of the fresh air fan according to the air supply temperature Ta of the indoor unit and the indoor environment temperature T1.
The operating frequency of the fresh air fan is controlled by the determining module according to the acquired air supply temperature Ta of the indoor unit and the indoor environment temperature T1, the target operating frequency determined by the determining module is used for switching the operating frequency of the fresh air fan by the control module.
Specifically, the operation modes include: a cooling mode, a heating mode and an air supply mode.
Specifically, the controlling the operating frequency of the fresh air machine according to the indoor unit air supply temperature Ta and the indoor environment temperature T1 includes: and controlling the operation frequency of the cooling mode and the heating mode of the fresh air fan according to the air supply temperature Ta of the indoor unit and the indoor environment temperature T1.
Fig. 2 shows a flow chart of a control method for a fresh air machine in a second embodiment. As shown in fig. 2, based on the first embodiment, the step of selecting the operation mode according To the outdoor ambient temperature To and the indoor ambient temperature T1 specifically includes:
step S210, when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a first temperature difference value range, the indoor unit sends a refrigeration operation requirement To the outdoor unit and operates a refrigeration mode;
here, the difference between the outdoor ambient temperature To and the indoor ambient temperature T1 is a first temperature difference range, which is a relatively high temperature difference range, and for example, when the outdoor ambient temperature To — the indoor ambient temperature T1 ≧ 4 ℃, the cooling mode may be entered.
Step S220, when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a second temperature difference value range, operating the air supply mode, and requiring no operation mode by the outdoor unit;
here, the difference between the outdoor ambient temperature To and the indoor ambient temperature T1 is a first temperature difference range, the second temperature difference range is a temperature difference range lower than the first temperature difference range, and the maximum value of the second temperature difference range is smaller than the maximum value of the first temperature difference range, for example, when the temperature is-4 ℃ lower than or equal To the outdoor ambient temperature To-the indoor ambient temperature T1 < 4 ℃, the blowing mode is operated, and the outdoor unit has no operation mode requirement.
Step S230, when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a third temperature difference value range, the indoor unit sends a heating operation requirement To the outdoor unit and operates a heating mode;
here, the difference of the outdoor ambient temperature To minus the indoor ambient temperature T1 is a third temperature difference range, which is a temperature difference range lower than the second temperature value range, i.e., the maximum value of the third temperature difference range is smaller than the maximum value of the second temperature difference range, e.g., when the outdoor ambient temperature To — the indoor ambient temperature T1 < -4 ℃, the heating mode is operated.
In this embodiment, the operation mode of the fresh air fan is further controlled according To the difference range between the outdoor ambient temperature To and the indoor ambient temperature T1, so that the cooling mode is entered when the difference range between the outdoor ambient temperature To and the indoor ambient temperature T1 is relatively high, the air supply mode is entered when the difference range between the outdoor ambient temperature To and the indoor ambient temperature T1 is relatively low, and the heating mode is entered when the difference range between the outdoor ambient temperature To and the indoor ambient temperature T1 is relatively low, thereby realizing the intelligent entry of the operation mode of the fresh air fan.
Fig. 3 shows a flow chart of a control method for a fresh air machine in a third embodiment.
As shown in fig. 3, based on the first embodiment, the step of controlling the operating frequency of the fresh air blower according to the indoor unit air supply temperature Ta and the indoor environment temperature T1 specifically includes:
in step S310, when the cooling mode is in operation, the larger the difference between the indoor unit air supply temperature Ta and the indoor environment temperature T1 is, the larger the target frequency range is.
When the air conditioner is operated in a cooling mode, the switching frequency of the control module is increased according to the difference value of the detected air supply temperature Ta of the indoor unit minus the indoor environment temperature T1 of the indoor environment temperature, for example, when the air supply temperature Ta of the indoor unit is greater than or equal to 6 ℃, the frequency of F6 is increased, when the air supply temperature Ta of the indoor unit is greater than 6 ℃, the indoor environment temperature T1 is greater than or equal to 4 ℃, the frequency of F5 is increased, when the air supply temperature Ta of the indoor unit is greater than 4 ℃, the temperature of F4 is increased, when the air supply temperature Ta of the indoor unit is greater than 4 ℃, the frequency of F5 is increased, when the air supply temperature Ta of the indoor unit is greater than 2 ℃, the indoor environment temperature T1 is greater than or equal to 2 ℃, the frequency of F2 is increased, when the air supply temperature Ta of the indoor environment temperature Ta of the indoor unit is greater than 0 ℃, the air supply temperature Ta of the indoor environment temperature T1 is greater than or equal to 2 ℃, f1 is run.
In step S320, when the heating mode is in operation, the smaller the difference between the indoor unit air supply temperature Ta and the indoor environment temperature T1 is, the larger the target frequency range is.
When the air conditioner is operated in the heating mode, the frequency switched by the control module is larger according to the smaller difference between the detected air supply temperature Ta of the indoor unit and the indoor environment temperature T1, for example, when the air supply temperature Ta of the indoor unit and the indoor environment temperature T1 is less than-4 ℃, the frequency of F6 is operated, when the temperature is higher than-2 ℃ and higher than the air supply temperature Ta of the indoor unit and the indoor environment temperature T1 is more than or equal to-4 ℃, the frequency of F5 is operated, when the temperature is higher than 0 ℃ and higher than the air supply temperature Ta of the indoor unit and the indoor environment temperature T1 is more than or equal to-2 ℃, the frequency of F4 is operated, when the temperature is higher than 2 ℃ and higher than the air supply temperature Ta of the indoor unit and the indoor environment temperature T1 is more than or equal to 0 ℃, the frequency of F3 is operated, when the temperature is higher than 4 ℃ and higher than the air supply temperature Ta of the indoor environment temperature T1 is more than or equal to 2 ℃, the frequency, f1 is run.
Step S311, when the difference between the indoor unit air supply temperature Ta and the indoor environment temperature T1 is less than the third preset temperature value, the outdoor unit is stopped, the indoor unit operates the air supply mode, and the mode determination is performed again after the preset time.
For example, when the indoor unit air supply temperature Ta-the indoor environment temperature T1 is less than-5 ℃, after lasting 30min, the outdoor unit is shut down, the indoor unit operates the air supply mode, and after 30min, the operation mode is judged again in the step S200.
In step S321, when the difference between the indoor unit air supply temperature Ta and the indoor environment temperature T1 is greater than or equal to the fourth preset temperature value for the preset time, the outdoor unit is shut down, the indoor unit operates in the air supply mode, and the mode determination is performed again after the preset time.
For example, when the air supply temperature Ta of the indoor unit and the indoor environment temperature T1 are more than or equal to 6 ℃, after lasting for 30min, the outdoor unit is shut down, the indoor unit operates in the air supply mode, and after 30min, the operation mode is judged again in the step S200.
In the embodiment, the operation frequency in the cooling mode and the heating mode can be intelligently controlled according to the detected difference value between the air supply temperature Ta of the indoor unit and the indoor environment temperature T1, so that the unit can be reasonably output, the overload operation is prevented, the service life of the unit and the comfort of a user are prevented from being influenced, and the energy consumption is saved.
FIG. 4 shows a block diagram of a control system for a fresh air machine in one embodiment. As shown in fig. 4, an embodiment of the present invention further provides a control system of a new fan, where the system includes:
the acquisition module is used for acquiring the outdoor environment temperature To, the indoor environment temperature T1 and the indoor unit air supply temperature Ta;
the determining module is used for determining the operation mode of the fresh air fan according To the outdoor environment temperature To and the indoor environment temperature T1, and determining the operation frequency of the fresh air fan according To the indoor unit air supply temperature Ta and the indoor environment temperature T1;
and the control module is used for controlling the operation mode and the operation frequency of the fresh air fan.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Correspondingly, the invention also provides a fresh air fan, which comprises the control system for the fresh air fan.
In addition, other structures and functions of the fresh air fan according to the embodiment of the application are opposite to the field
As is known to those of ordinary skill in the art, redundancy is reduced and will not be described in detail herein.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A control method of a fresh air machine is characterized by comprising the following steps:
acquiring outdoor environment temperature To, indoor environment temperature T1 and indoor unit air supply temperature Ta;
controlling the operation mode of the fresh air fan according To the outdoor environment temperature To and the indoor environment temperature T1;
and controlling the running frequency of the fresh air fan according to the air supply temperature Ta of the indoor unit and the indoor environment temperature T1.
2. The method of controlling a fresh air machine according to claim 1, wherein the operation mode includes: a cooling mode, a heating mode and an air supply mode.
3. The method of claim 1, wherein the controlling the operating frequency of the fresh air machine according to the indoor unit supply air temperature Ta and the indoor environment temperature T1 comprises: and controlling the operation frequency of the cooling mode and the heating mode of the fresh air fan according to the air supply temperature Ta of the indoor unit and the indoor environment temperature T1.
4. The method for controlling the fresh air machine according To claim 1, wherein the step of selecting the operation mode according To the outdoor environment temperature To and the indoor environment temperature T1 specifically comprises:
when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a first temperature difference value range, the indoor unit sends a refrigeration operation requirement To the outdoor unit and operates a refrigeration mode;
when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a second temperature difference value range, the air supply mode is operated, and the outdoor unit has no operation mode requirement;
when the difference value obtained by subtracting the indoor environment temperature T1 from the outdoor environment temperature To is a third temperature difference value range, the indoor unit sends a heating operation requirement To the outdoor unit and operates a heating mode;
the first temperature difference range is larger than the second temperature difference range, and the second temperature difference range is larger than the third temperature difference range.
5. The method of claim 2, wherein the step of controlling the operating frequency of the fresh air machine according to the indoor unit supply air temperature Ta and the indoor environment temperature T1 specifically comprises: when the air conditioner is operated in the cooling mode, the larger the difference between the indoor unit air supply temperature Ta and the indoor environment temperature T1 is, the larger the target frequency gear is.
6. The method of claim 2, wherein the step of controlling the operating frequency of the fresh air machine according to the indoor unit supply air temperature Ta and the indoor environment temperature T1 specifically comprises: when the air conditioner is operated in the heating mode, the smaller the difference between the indoor unit air supply temperature Ta and the indoor environment temperature T1 is, the larger the target frequency range is.
7. The method of claim 5, wherein the step of controlling the operating frequency of the fresh air machine based on the indoor unit supply air temperature Ta and the indoor ambient temperature T1 further comprises: and when the difference value obtained by subtracting the indoor environment temperature T1 from the indoor unit air supply temperature Ta is smaller than a third preset temperature value, the outdoor unit is stopped for a preset time, the indoor unit runs the air supply mode, and the mode judgment is carried out again after the preset time.
8. The method of claim 6, wherein the step of controlling the operating frequency of the fresh air machine based on the indoor unit supply air temperature Ta and the indoor ambient temperature T1 further comprises: and when the difference value obtained by subtracting the indoor environment temperature T1 from the indoor unit air supply temperature Ta is greater than or equal to a fourth preset temperature value for a preset time, the outdoor unit is stopped, the indoor unit runs the air supply mode, and the mode judgment is re-entered after the preset time.
9. A control system of a new fan, comprising:
the acquisition module is used for acquiring the outdoor environment temperature To, the indoor environment temperature T1 and the indoor unit air supply temperature Ta;
the determining module is used for determining the operation mode of the fresh air fan according To the outdoor environment temperature To and the indoor environment temperature T1, and determining the operation frequency of the fresh air fan according To the indoor unit air supply temperature Ta and the indoor environment temperature T1;
and the control module is used for controlling the operation mode and the operation frequency of the fresh air fan.
10. A new fan, characterized in that it comprises a system as claimed in claim 9.
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| CN202110083553.8A CN112594894A (en) | 2021-01-21 | 2021-01-21 | Control method and system for fresh air fan and fresh air fan |
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| CN202110083553.8A CN112594894A (en) | 2021-01-21 | 2021-01-21 | Control method and system for fresh air fan and fresh air fan |
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| CN113266927A (en) * | 2021-05-20 | 2021-08-17 | 四川长虹空调有限公司 | Method for guaranteeing air volume of fresh air system |
| CN114251767A (en) * | 2021-12-29 | 2022-03-29 | 美的集团武汉暖通设备有限公司 | Air treatment apparatus, control method thereof, and computer-readable storage medium |
| WO2024066709A1 (en) * | 2022-09-28 | 2024-04-04 | 广东美的制冷设备有限公司 | Control method for environmental conditioning device, environmental conditioning device, and storage medium |
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