CN112344512A - Fresh air control method of air conditioner - Google Patents
Fresh air control method of air conditioner Download PDFInfo
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- CN112344512A CN112344512A CN202011165054.5A CN202011165054A CN112344512A CN 112344512 A CN112344512 A CN 112344512A CN 202011165054 A CN202011165054 A CN 202011165054A CN 112344512 A CN112344512 A CN 112344512A
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- fresh air
- atmospheric pressure
- indoor
- control method
- 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
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F11/56—Remote control
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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
- F24F11/70—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
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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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- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Human Computer Interaction (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a fresh air control method of an air conditioner, after a fresh air function is started, a fresh air fan forwards rotates to supply air indoors; when a first preset condition is reached, the fresh air fan is switched from forward rotation to reverse rotation to discharge the indoor air to the outside; when a second preset condition is reached, the fresh air fan is switched from reverse rotation to forward rotation for indoor air supply. The invention controls the positive rotation state and the reverse rotation state of the fresh air fan under different conditions of the air conditioner, thereby adjusting the indoor atmospheric pressure and further improving the fresh air exchange efficiency.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to a fresh air control method of an air conditioner.
Background
At present, the household appliance industry is in a situation of intense competition, each big competitive product has unique innovation in the aspects of functions, appearance and the like, and the product details are also important factors influencing the purchasing power of consumers.
The domestic air conditioner mostly adopts the fresh air mode of taking a breath of uniflow, and uniflow fresh air conditioner is through introducing outdoor air indoor, and the gap with the air in the room by room and window is discharged to outdoor when improving indoor atmospheric pressure to play the effect of fresh air taking a breath. But if the leakproofness of room is better, indoor pressure will promote gradually for the new trend intake descends gradually, and new trend efficiency of taking a breath also descends gradually.
The invention is provided in view of the above.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. For this purpose,
the invention provides a fresh air control method of an air conditioner, which is characterized in that the normal rotation state and the reverse rotation state of a fresh air fan are controlled under different condition working conditions of the air conditioner, so that the indoor atmospheric pressure is adjusted, and the fresh air exchange efficiency is improved.
In order to achieve the purpose, the embodiment of the invention provides a fresh air control method of an air conditioner, after a fresh air function is started, a fresh air fan forwards rotates to supply air to the indoor; when a first preset condition is reached, the fresh air fan is switched from forward rotation to reverse rotation to discharge the indoor air to the outside; when a second preset condition is reached, the fresh air fan is switched from reverse rotation to forward rotation for indoor air supply.
Therefore, the forward rotation state and the reverse rotation state of the fresh air fan are controlled under different condition working conditions of the air conditioner, so that the indoor atmospheric pressure is adjusted, and the fresh air exchange efficiency is improved.
In addition, the fresh air control method of the air conditioner according to the above embodiment of the present invention may further have the following additional technical features:
in some embodiments of the present invention, a fresh air control method of an air conditioner is provided, wherein after the fresh air function is started, an initial atmospheric pressure value P0 is detected; and controlling the forward rotation or reverse rotation state of the fresh air fan according to the detected difference value between the real-time indoor atmospheric pressure value P and the initial atmospheric pressure value P0.
In some embodiments of the present invention, a fresh air control method of an air conditioner is provided, where a difference between the real-time indoor atmospheric pressure value P and the initial atmospheric pressure value P0 is denoted as Δ P, that is, P-P0 is denoted as Δ P; the first preset condition is that the value of delta P is larger than a first preset pressure difference P1, and the fresh air fan is switched from a forward rotation state to a reverse rotation state; the second preset condition is that the value of delta P is smaller than a second preset pressure difference P2, and the fresh air fan is switched from a reverse rotation state to a forward rotation state.
In some embodiments of the present invention, a fresh air control method for an air conditioner is provided, in which an indoor unit of the air conditioner is provided with an indoor atmospheric pressure sensor, and the indoor atmospheric pressure sensor is used for detecting the real-time indoor atmospheric pressure value P.
In some embodiments of the present invention, an outdoor unit of an air conditioner is provided with an outdoor atmospheric pressure sensor, and the outdoor atmospheric pressure sensor detects an initial atmospheric pressure value P0 or the indoor atmospheric pressure sensor detects the initial atmospheric pressure value P0.
In some embodiments of the present invention, a fresh air control method for an air conditioner is provided, where the air conditioner includes a controller, the controller controls the fresh air blower to rotate forward or backward, and the indoor atmospheric pressure sensor is connected to the controller through infrared connection, bluetooth connection, or WiFi connection.
In some embodiments of the invention, a fresh air control method of an air conditioner is provided, when a fresh air function is started, a real-time fresh air inlet speed S is detected; the first preset condition is that when the real-time fresh air inlet wind speed S is smaller than a preset wind speed S0, the fresh air fan is switched from a forward rotation state to a reverse rotation state; the second preset condition is that the fresh air fan is switched from the reverse rotation state to the forward rotation state after the fresh air fan rotates reversely for a preset time T.
In some embodiments of the present invention, a fresh air control method for an air conditioner is provided, in which an indoor unit of the air conditioner is provided with an air speed sensor for detecting a real-time fresh air intake air speed S.
In some embodiments of the present invention, a fresh air control method for an air conditioner is provided, where the air conditioner includes a controller that controls a fresh air blower to rotate forward or backward.
In some embodiments of the present invention, a fresh air control method for an air conditioner is provided, wherein the wind speed sensor is connected to the controller through an infrared connection, a bluetooth connection, or a WiFi connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a fresh air control method of an air conditioner according to the present invention;
FIG. 2 is a logic diagram I of a fresh air control method of an air conditioner according to the present invention;
FIG. 3 is a logic diagram of a second method for controlling fresh air in an air conditioner according to the present invention.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the technical problems in the technology, the technical scheme in the embodiment of the application has the following general idea:
after the fresh air function is started, the fresh air fan forwards rotates to supply air to the room; when a first preset condition is reached, the fresh air fan is switched from forward rotation to reverse rotation to discharge the indoor air to the outside; when a second preset condition is reached, the fresh air fan is switched from reverse rotation to forward rotation for indoor air supply. The invention controls the positive rotation state and the reverse rotation state of the fresh air fan under different conditions of the air conditioner, thereby adjusting the indoor atmospheric pressure and further improving the fresh air exchange efficiency.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example 1
Referring to fig. 1 and fig. 2, a fresh air control method of an air conditioner is provided in this embodiment, and the fresh air control method of the air conditioner provided in the embodiment of the present application is described below.
The fresh air control method of the air conditioner in the embodiment comprises the following steps:
after the fresh air function is started, an initial atmospheric pressure value P0 is detected.
And controlling the forward rotation or reverse rotation state of the fresh air fan according to the detected difference value between the real-time indoor atmospheric pressure value P and the initial atmospheric pressure value P0.
According to the fresh air control method of the air conditioner, when the fresh air function is started, the initial atmospheric pressure value P0 is detected, and the forward rotation or reverse rotation state of the fresh air fan is controlled according to the detected difference value between the real-time indoor atmospheric pressure value P and the initial atmospheric pressure value P0. The problem of among the prior art can't adjust indoor atmospheric pressure in the better room of leakproofness to improve the fresh air intake is solved. Through the difference of the real-time indoor atmospheric pressure value P that detects and initial atmospheric pressure value P0, and then reached the indoor atmospheric pressure of automatically regulated control, improved new trend air inlet efficiency.
Aiming at the fresh air control method of the air conditioner, an indoor atmospheric pressure sensor is arranged on an indoor unit of the air conditioner and is used for detecting a real-time indoor atmospheric pressure value P and an initial atmospheric pressure value P0.
The air conditioner also comprises a controller, the controller controls the fresh air fan to rotate forwards or backwards, and the indoor atmospheric pressure sensor is electrically connected with the controller. The indoor atmospheric pressure sensor transmits the detection result to the controller in an electric signal mode, and the controller makes an instruction to control the forward rotation or the reverse rotation of the fresh air fan. In other embodiments of the invention, the indoor atmospheric pressure sensor and the controller can be connected through infrared connection, Bluetooth connection or WiFi connection, so that the connection winding in the air conditioner can be reduced, and the air conditioner is more convenient to install.
After the user opens the new trend function, the new trend fan corotation is to indoor air supply, and when real-time indoor atmospheric pressure value P satisfied first preset condition, indoor atmospheric pressure sensor transmitted the testing result to the controller through the mode of signal of telecommunication, and the controller makes the instruction control new trend fan and switches into the reversal state by the corotation state.
When the real-time indoor atmospheric pressure value P meets a second preset condition, the indoor atmospheric pressure sensor transmits the detection result to the controller in an electric signal mode, and the controller makes an instruction to control the fresh air fan to be switched from a reverse rotation state to a forward rotation state.
In the control method, the difference between the real-time indoor atmospheric pressure value P and the initial atmospheric pressure value P0 is denoted as Δ P, i.e., P-P0 is denoted as Δ P. The first preset condition is that the value of delta P is larger than a first preset pressure difference P1, the fresh air fan is switched from the forward rotation state to the reverse rotation state, indoor air is discharged to the outdoor from the indoor, so that the indoor air pressure is reduced, and the efficiency of conveying fresh air to the indoor again is improved.
The second preset condition is that the value of delta P is less than the second preset pressure difference P2, the fresh air fan is switched to the forward rotation state from the reverse rotation state, the controller controls the fresh air fan to convey fresh air indoors, the indoor air pressure is lower at the moment, the fresh air fan conveys fresh air indoors more conveniently, and the fresh air inlet efficiency is higher.
When the air conditioner was not opened, indoor atmospheric pressure was equal to outdoor atmospheric pressure, consequently the utility model discloses an in other embodiments, be provided with outdoor atmospheric pressure sensor on the off-premises station of air conditioner, the atmospheric pressure numerical value that detects through outdoor atmospheric pressure sensor is initial atmospheric pressure value P0 promptly.
Example 2
Referring to fig. 1 and fig. 3, a fresh air control method of an air conditioner is provided in this embodiment, and the fresh air control method of the air conditioner provided in this embodiment is described below.
The fresh air control method of the air conditioner in the embodiment comprises the following steps:
after the fresh air function is started, the fresh air fan is turning to indoor air supply, and the real-time fresh air inlet speed S is detected.
When the first preset condition is reached, the fresh air fan is switched from forward rotation to reverse rotation to discharge the indoor air to the outdoor.
When a second preset condition is reached, the fresh air fan is switched from reverse rotation to forward rotation for indoor air supply.
Aiming at the fresh air control method of the air conditioner, an indoor unit of the air conditioner is provided with an air speed sensor for detecting the real-time fresh air inlet air speed S. The air conditioner further comprises a controller, the controller controls the fresh air fan to rotate forwards or backwards, and the air speed sensor is electrically connected with the controller. The wind speed sensor transmits a real-time fresh air inlet wind speed detection result to the controller in an electric signal mode, and the controller makes an instruction to control the forward rotation or the reverse rotation of the fresh air fan. In other embodiments of the invention, the wind speed sensor and the controller can be connected through infrared connection, Bluetooth connection or WiFi connection, so that the connection winding in the air conditioner can be reduced, and the air conditioner is more convenient to install.
Specifically, in this embodiment, when the first preset condition is that the real-time fresh air intake air speed S is less than the preset air speed S0, the air speed sensor transmits the detection result of the real-time fresh air intake air speed to the controller in an electrical signal form, and the controller makes an instruction to control the fresh air motor to switch from the forward rotation to the reverse rotation, so as to discharge the indoor air from the room to the outside, thereby reducing the indoor air pressure, and facilitating the improvement of the efficiency of conveying the fresh air to the room again.
The second preset condition is that the new trend fan is after reversal preset time T, and controller control new trend fan switches into corotation state by the reversal state, and the new trend fan is to indoor transport new trend, and indoor air pressure is lower this moment, and it is more convenient that the new trend fan is to indoor transport new trend, and new trend air inlet efficiency is higher.
According to the fresh air control method of the air conditioner, the forward rotation state or the reverse rotation state of the fresh air fan is controlled according to the detected real-time fresh air inlet air speed S. The problem of among the prior art can't adjust indoor atmospheric pressure in the better room of leakproofness to improve the fresh air intake is solved. The embodiment controls the positive rotation and the reverse rotation of the fresh air fan through the detected real-time fresh air inlet speed S, so that the effect of automatically adjusting the atmospheric pressure in the control chamber is achieved, the fresh air inlet amount is increased, and the fresh air inlet efficiency is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A fresh air control method of an air conditioner is characterized in that:
after the fresh air function is started, the fresh air fan forwards rotates to supply air to the room;
when a first preset condition is reached, the fresh air fan is switched from forward rotation to reverse rotation to discharge the indoor air to the outside;
when a second preset condition is reached, the fresh air fan is switched from reverse rotation to forward rotation for indoor air supply.
2. A control method according to claim 1, characterized in that:
after the fresh air function is started, detecting an initial atmospheric pressure value P0;
and controlling the forward rotation or reverse rotation state of the fresh air fan according to the detected difference value between the real-time indoor atmospheric pressure value P and the initial atmospheric pressure value P0.
3. A control method according to claim 2, characterized in that:
the difference between the real-time indoor atmospheric pressure value P and the initial atmospheric pressure value P0 is recorded as delta P, namely P-P0 is equal to delta P;
the first preset condition is that the value of delta P is larger than a first preset pressure difference P1, and the fresh air fan is switched from a forward rotation state to a reverse rotation state;
the second preset condition is that the value of delta P is smaller than a second preset pressure difference P2, and the fresh air fan is switched from a reverse rotation state to a forward rotation state.
4. A control method according to claim 3, characterized in that:
and an indoor atmospheric pressure sensor is arranged on an indoor unit of the air conditioner and used for detecting the real-time indoor atmospheric pressure value P.
5. A control method according to claim 4, characterized in that:
an outdoor atmospheric pressure sensor is arranged on an outdoor unit of the air conditioner, and the initial atmospheric pressure value P0 is detected through the outdoor atmospheric pressure sensor or the initial atmospheric pressure value P0 is detected through the indoor atmospheric pressure sensor.
6. A control method according to claim 4, characterized in that:
the air conditioner comprises a controller, wherein the controller controls the fresh air fan to rotate forwards or reversely, and the indoor atmospheric pressure sensor is connected with the controller through infrared connection, Bluetooth connection or WiFi connection.
7. A control method according to claim 1, characterized in that:
detecting the real-time fresh air inlet speed S after the fresh air function is started;
the first preset condition is that when the real-time fresh air inlet air speed S is smaller than a preset air speed S0, the fresh air fan is switched from a forward rotation state to a reverse rotation state;
the second preset condition is that the fresh air fan is switched from a reverse rotation state to a forward rotation state after the fresh air fan rotates reversely for a preset time T.
8. A control method according to claim 7, characterized in that:
and an air speed sensor is arranged on an indoor unit of the air conditioner and used for detecting the real-time fresh air inlet speed S.
9. A control method according to claim 8, characterized in that:
the air conditioner comprises a controller, and the controller controls the fresh air fan to rotate forwards or backwards.
10. A control method according to claim 9, characterized in that:
the wind speed sensor is connected with the controller through infrared connection, Bluetooth connection or WiFi connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011165054.5A CN112344512A (en) | 2020-10-27 | 2020-10-27 | Fresh air control method of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011165054.5A CN112344512A (en) | 2020-10-27 | 2020-10-27 | Fresh air control method of air conditioner |
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| CN112344512A true CN112344512A (en) | 2021-02-09 |
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| CN202011165054.5A Pending CN112344512A (en) | 2020-10-27 | 2020-10-27 | Fresh air control method of air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865058A (en) * | 2021-09-29 | 2021-12-31 | 佛山市顺德区美的电子科技有限公司 | Control method, air conditioner fresh air equipment and storage medium |
| CN115013953A (en) * | 2022-06-17 | 2022-09-06 | 宁波奥克斯电气股份有限公司 | Control method and control device of fresh air conditioner and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113865058A (en) * | 2021-09-29 | 2021-12-31 | 佛山市顺德区美的电子科技有限公司 | Control method, air conditioner fresh air equipment and storage medium |
| CN113865058B (en) * | 2021-09-29 | 2023-12-22 | 佛山市顺德区美的电子科技有限公司 | Control method, air conditioner fresh air equipment and storage medium |
| CN115013953A (en) * | 2022-06-17 | 2022-09-06 | 宁波奥克斯电气股份有限公司 | Control method and control device of fresh air conditioner and air conditioner |
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