CN112902385A - Control method, fresh air system and air conditioner - Google Patents
Control method, fresh air system and air conditioner Download PDFInfo
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- CN112902385A CN112902385A CN202110151842.7A CN202110151842A CN112902385A CN 112902385 A CN112902385 A CN 112902385A CN 202110151842 A CN202110151842 A CN 202110151842A CN 112902385 A CN112902385 A CN 112902385A
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- air
- air deflector
- back side
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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
- F24F11/32—Responding to malfunctions or emergencies
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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
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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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
- F24F11/79—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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application generally relates to the field of household appliances, and particularly relates to a control method, a fresh air system and an air conditioner, wherein the control method comprises the following steps: receiving a fresh air function starting instruction, obtaining a pressure value of the back side of the air deflector in a closed state after receiving the fresh air function starting instruction, judging whether the pressure value of the back side of the air deflector in the closed state of the air deflector is larger than a first preset threshold value, if not, starting the fresh air function, controlling the air deflector to rotate by a preset angle to open the air inlet, if the pressure value of the back side of the air deflector is larger than the first preset threshold value, determining that outdoor wind or rain is large, at the moment, forbidding the fresh air function to be started, and preventing the outdoor wind and the rain from flowing backwards into the room through the air inlet.
Description
Technical Field
The application relates to the field of household appliances in general, and particularly relates to a control method, a fresh air system and an air conditioner.
Background
With the increasing improvement of living standard of people, people pursue health more and more, in the field of air conditioners, in the past, the effect of refrigerating and heating is just achieved by circulating indoor air, but the indoor air becomes turbid after being used for a long time, so people also demand that the air conditioner can ensure the freshness of the indoor air and the fresh air conditioner is inoculated.
Because the air inlet piece is outdoor, after the fresh air function is opened under extreme conditions, outdoor wind and rain can flow backward through the air inlet, and the use experience of a user is influenced.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to solve the technical problem that the existing fresh air conditioner has wind and rain backflow, the main purpose of the application is to provide a control method, a fresh air system and an air conditioner.
In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:
a control method, comprising:
receiving a fresh air function starting instruction;
acquiring a pressure value of the back side of the air deflector in a closed state;
judging whether the pressure value of the back side of the air deflector in the closed state is smaller than a first preset threshold value or not;
if so, the fresh air function is started, and the air deflector is controlled to rotate by a preset angle to open the air inlet.
Further, in some embodiments of the application, if the pressure value of the back side of the air deflector in the closed state is greater than or equal to the first preset threshold, the fresh air function is not turned on.
Further, in some embodiments of the present application, controlling the air deflector to rotate to the preset angle to open includes:
and controlling the air deflector to rotate outwards to form an included angle of 40-50 degrees with the plane of the air inlet, wherein the opening of the included angle faces downwards.
Further, in some embodiments of the present application, the wind deflector, after being rotated to open, includes:
acquiring a pressure value of the back side of the air deflector in an open state;
judging whether the pressure value of the back side of the air deflector in the opening state is larger than a second preset threshold value or not;
and if the air quantity is larger than or equal to the second preset threshold value, closing the air deflector and closing the fresh air function.
Further, in some embodiments of the present application, after the air deflector is rotated and opened, pressure values of the back side of the air deflector in an opened state are obtained at preset time intervals.
Further, in some embodiments of the present application, the first preset threshold is P1, and the second preset threshold is P2;
the ratio of P1/P2 is between 0.75 and 0.25.
Further, in some embodiments of the present application, the closing of the fresh air function includes: and sending out prompt tone to remind the user.
A fresh air system adopts the control method.
An air conditioner comprises the control method.
Further, in some embodiments of the present application, the air conditioner further includes an outdoor unit, and the outdoor unit is provided with an air deflector;
the air guide plate comprises an inner plate body, an outer plate body and a pressure sensor arranged between the inner plate body and the outer plate body, and the pressure sensor is used for detecting the pressure applied to the back side of the outer plate body.
According to the technical scheme, the control method, the fresh air system and the air conditioner have the advantages and positive effects that:
the outdoor air and the rainwater are prevented from flowing backward into the room through the air inlet, the wind noise generated by the backward flow of the outdoor air is avoided, bacteria are prevented from breeding on an air inlet channel of the outdoor unit and an air conditioner due to the backward flow of the rainwater, and the user experience effect is improved.
The method comprises the steps of firstly, receiving a fresh air function starting instruction, obtaining a pressure value of the back side of an air deflector in a closed state after receiving the fresh air function starting instruction, judging whether the pressure value of the back side of the air deflector in the closed state is larger than a first preset threshold value, if not, starting the fresh air function, controlling the air deflector to rotate by a preset angle to open an air inlet, if the pressure value of the back side of the air deflector is larger than the first preset threshold value, determining that outdoor wind or rain is large, at the moment, forbidding the fresh air function to be started, and preventing the outdoor wind and rain from flowing backwards into the room through the air inlet.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a flow chart illustrating a control method according to an exemplary embodiment.
FIG. 2 is another schematic diagram illustrating a flow of a control method according to an exemplary embodiment.
Fig. 3 is a schematic view illustrating an opened state of an air deflector of an air conditioner according to an exemplary embodiment.
Fig. 4 is a schematic view illustrating a structure of an air deflector of an air conditioner according to an exemplary embodiment.
Fig. 5 is a schematic view illustrating an air deflector installation structure of an air conditioner according to an exemplary embodiment.
Wherein the reference numerals are as follows:
100-a housing; 200-a wind deflector; 300-a driver; 400-a drive link;
210-an outer plate body; 220-inner plate body; 230-a pressure sensor;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The scheme provides a control method, a fresh air system and an air conditioner, wherein the control method can be used for the fresh air system and the air conditioner, and comprises the following steps: receiving a fresh air function starting instruction; the method comprises the steps of obtaining a pressure value of the back side of an air deflector 200 in a closed state after receiving a fresh air function starting instruction, judging whether the pressure value of the back side of the air deflector 200 in the closed state is larger than a first preset threshold value or not, if the pressure value of the back side of the air deflector 200 in the closed state is smaller than the first preset threshold value, starting the fresh air function, controlling the air deflector 200 to rotate by a preset angle to open an air inlet, if the pressure value of the back side of the air deflector 200 in the closed state is larger than the first preset threshold value, judging that outdoor wind and/or rain are large, not starting the air deflector 200, not executing the fresh air function starting instruction, preventing the outdoor wind and rain from flowing backwards into a room through the air inlet, avoiding bacteria breeding caused by the backward flowing rain in an air inlet channel of an outdoor.
Combine 1-5 to show, this embodiment provides an air conditioner, and the air conditioner includes air inlet subassembly, air-out subassembly and tuber pipe subassembly, and air inlet subassembly and air-out subassembly are connected respectively to the tuber pipe subassembly, and the tuber pipe subassembly is used for carrying the air current that gets into from the air inlet subassembly to the air-out subassembly.
The air inlet subassembly includes casing 100, and the air intake has been seted up to casing 100, and the tuber pipe subassembly is connected casing 100 and passes user's installation wall hole and get into indoorly and be connected with the air-out subassembly, still is provided with the filter screen in the casing 100, and the filter screen is used for filtering the gas that gets into the tuber pipe subassembly, makes the indoor gas fresh of getting into.
As shown in fig. 3 and 5, a plurality of air deflectors 200 are rotatably mounted at an air inlet of the casing 100, the driving member 300 is in transmission connection with one of the air deflectors 200, the plurality of air deflectors 200 are connected with each other through the transmission connecting rod 400, and when one air deflector rotates, the remaining air deflectors 200 rotate under the driving of the transmission connecting rod 400, so that the rotation angles of the plurality of air deflectors 200 are consistent, and the uniformity of the outlet air is ensured.
Referring to fig. 4, in the present embodiment, the air guiding plate 200 has a double-layer structure, the air guiding plate 200 includes an outer plate 210 and an inner plate 220, when the air guiding plate 200 is in use, the inner plate 220 faces the air inlet, and a side of the outer plate 210 facing away from the air inlet is a back side of the air guiding plate 200. A plurality of pressure sensors 230 are disposed between the outer plate 210 and the inner plate 220, and those skilled in the art will understand that the plurality of pressure sensors 230 may be uniformly distributed, and the pressure sensors 230 are used for detecting the pressure applied to the outer plate 210.
The air conditioner also has a controller, the pressure sensor 230 and the driving member 300 are respectively electrically connected with the controller, the pressure sensor 230 sends the detected pressure value information to the controller, and the controller controls the driving member 300 and the air conditioner to work according to the magnitude of the pressure value.
According to the installation state of the air intake assembly, in this embodiment, when the air deflector 200 is in the closed state, the air deflector 200 is vertically disposed, and the upper portion of the air deflector 200 is rotatably fitted with the casing 100, as shown in fig. 3, after the air deflector 200 is opened, the air deflector 200 is inclined outward from the top to the bottom with respect to the air intake, as shown in fig. 4, the air deflector 200 is provided with a rotating shaft (not shown) for rotatably assembling with the casing 100, and the rotating shaft is disposed on two opposite sides of the inner plate 220.
Under the understanding of those skilled in the art, the air deflector 200 may also be installed in other structural forms, so that when the air deflector 200 is opened, the opening of the air deflector 200 forming an included angle with the plane of the air inlet is downward, and rainwater is prevented from directly pouring into the air inlet.
It should be noted that the main content of the present invention is to control the rotation of the air guiding plate, the opening and closing of the fresh air function, and the structure of the air guiding plate 200 according to the pressure at the back side of the air guiding plate, and therefore, the specific structure of the air conditioner will not be described too much.
With reference to fig. 1, the present embodiment further provides a control method, where a controller of the air conditioner may set a first preset threshold and a second preset threshold, where the first preset threshold is used for determining a condition for opening the air deflector 200, the second preset threshold is used for determining a condition for closing the air deflector 200, and the second preset threshold is greater than the first preset threshold.
The control method comprises the following steps:
s01, receiving a fresh air function starting instruction;
the controller can receive an instruction that a user sends a fresh air starting function to the air conditioner through the app control end or the remote controller.
S02, acquiring a pressure value of the back side of the air deflector 200 in the open state;
the pressure on the back side of the air deflection plate 200 in the closed state is detected by the pressure sensor 230 and then transmitted to the controller.
S03 determining whether the pressure value of the back side of the air deflector 200 in the closed state is greater than a first preset threshold value;
the controller receives the pressure value of the back side of the air deflector 200 in the closed state sent by the pressure sensor 230, the controller is set with a first preset threshold value, and the controller compares the pressure value of the back side of the air deflector 200 in the closed state with the first preset threshold value.
S04-1, if the pressure value of the back side of the air deflector 200 in the closed state is greater than a first preset threshold value, the fresh air function is not started;
specifically, when the controller determines that the pressure value of the back side of the air deflector 200 in the closed state is greater than a first preset threshold value, the fresh air function opening instruction is not executed, in rainy days, if the pressure applied to the back side of the air deflector 200 in the closed state is greater than the first preset threshold value, it can be determined that the rain and wind are large, in this environmental state, the air deflector 200 is opened to generate a rain and wind backflow phenomenon, therefore, when the pressure value of the back side of the air deflector 200 in the closed state is greater than the first preset threshold value, the fresh air function is not opened, and the air deflector 200 is not opened.
And if not, S04-2, starting the fresh air function, and controlling the air deflector 200 to rotate by a preset angle to be opened.
And if the controller judges that the pressure value of the back side of the air deflector in the closed state is smaller than a first preset threshold value, executing a fresh air function starting instruction, and controlling the air deflector 200 to rotate by a preset angle to be opened.
Specifically, in a rainy weather, rainwater and/or wind generate a certain pressure on the back side of the air deflector 200, and the outdoor wind power or the rainfall state can be roughly judged according to the pressure on the back side of the air deflector 200, on the basis of the principle of the application, from the viewpoint of the result of preventing wind and rain from flowing backwards, when the pressure value on the back side of the air deflector 200 in the closed state is greater than a first threshold value, the current outdoor environment is determined to be not suitable for starting the fresh air function, the air deflector 200 cannot be opened, and the rainy environment is only used as one state of the outdoor environment and is not the only environment limitation in the implementation and application process of the application.
When the pressure value is smaller than the first preset value, the outdoor weather is considered to be small, or the outdoor environment is considered to be suitable for starting the fresh air function.
As shown in fig. 3, the air deflector 200 is closed and then is in a nearly vertical state, and therefore, the controlling the air deflector 200 to rotate to a preset angle includes: the air deflector 200 is controlled to rotate outwards to form an included angle of 40-50 degrees with the plane of the air inlet, preferably 45 degrees when the air deflector is opened, so that the influence of the opening size of the air inlet on the air inflow is reduced, and the phenomenon of wind and rain backflow is avoided when the pressure value of the back side of the air deflector 200 in the opening state is smaller than a second preset threshold value in the wind and rain environment.
Referring to fig. 2, after the air deflector 200 is opened, the backside pressure of the air deflector 200 can be continuously detected.
S05, acquiring a pressure value of the back side of the air deflector 200 in the open state;
the pressure value of the backside of the air deflection plate 200 in the open state is transmitted to the controller.
S06, determining whether the backside pressure of the air deflector 200 is greater than a second predetermined threshold value in the open state.
And S07, if the value is larger than or equal to the second preset threshold value, closing the air deflector 200 and closing the fresh air function.
When the air deflector 200 is opened, the pressure value of the back side of the air deflector 200 in the open state can be obtained at preset time intervals, and when the pressure applied to the air deflector 200 in the open state is greater than a second preset threshold value, it can be considered that outdoor wind and rain are large, the wind and rain backflow phenomenon is easy to generate, the fresh air function should be closed, the air deflector 200 is closed, and the rainwater backflow is avoided. When the new trend function gets into the closed condition from the open mode, send the warning sound and remind the user, can install alarm device on the air conditioner, alarm device sends the warning sound.
In this scheme, when the aviation baffle 200 rotates to the slope 45 open mode from vertical closed state, with the counter-clockwise computation, the aviation baffle 200 is 135 with the horizontal plane contained angle when opening.
Under the same environment, the pressure received by the air deflector 200 changes, and the pressure received by the air deflector 200 in the open state is greater than the pressure received by the air deflector 200 in the closed state. Therefore, the second preset threshold is set to be greater than the first preset threshold, in this application, the first preset threshold may be defined as P1, the second preset threshold is defined as P2, and the ratio of P1/P2 is between 0.75 and 0.25, in the present embodiment, according to that the pressure value of the back side of the air deflector 200 in the open state when the wind and rain backflow occurs is P3, 0.75P 3 is greater than or equal to P2 is greater than or equal to 0.5P 3, under the understanding of those skilled in the art, P3 may be an average value of the pressure values detected multiple times, in this embodiment, P3 is 2N, and the pressure of water of about 200ml is calculated by 2/9.8 ≈ 0.2 kg.
The embodiment also provides a fresh air system, and the fresh air system adopts the control method.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice 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, comprising:
receiving a fresh air function starting instruction;
acquiring a pressure value of the back side of the air deflector (200) in a closed state;
judging whether the pressure value of the back side of the air deflector in the closed state is smaller than a first preset threshold value or not;
if yes, the fresh air function is started, and the air deflector (200) is controlled to rotate by a preset angle to open the air inlet.
2. The control method according to claim 1, wherein if the pressure value of the back side of the air deflector in the closed state is greater than or equal to the first preset threshold, the fresh air function is not turned on.
3. The control method according to claim 1, wherein controlling the air deflector (200) to rotate to a preset angle to open comprises:
the air deflector (200) is controlled to rotate outwards to form an included angle of 40-50 degrees with the plane where the air inlet is located, and the opening of the included angle faces downwards.
4. The control method according to claim 1, wherein the turning open of the air deflector (200) comprises:
acquiring a pressure value of the back side of the air deflector (200) in an open state;
judging whether the pressure value of the back side of the air deflector in the opening state is larger than a second preset threshold value or not;
if the air quantity is larger than or equal to the second preset threshold value, the air deflector (200) is closed, and the fresh air function is closed.
5. The control method according to claim 4, characterized in that after the air deflector (200) is rotated to be opened, pressure values of the back side of the air deflector (200) in the opened state are obtained at preset time intervals.
6. The control method according to claim 4, characterized in that the first preset threshold is P1, the second preset threshold is P2;
the ratio of P1/P2 is between 0.75 and 0.25.
7. The control method according to claim 4, wherein the closing of the fresh air function comprises: and sending out prompt tone to remind the user.
8. A fresh air system, characterized in that the control method of any one of claims 1 to 7 is used.
9. An air conditioner characterized by comprising the control method according to any one of claims 1 to 7.
10. The air conditioner of claim 9, further comprising an outdoor unit having a wind guide plate (200) installed thereon;
the air deflector (200) comprises an inner plate body (220), an outer plate body (210) and a pressure sensor (230) arranged between the inner plate body and the outer plate body (210), wherein the pressure sensor (230) is used for detecting the pressure applied to the back side of the outer plate body (210).
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| CN202110151842.7A CN112902385A (en) | 2021-02-03 | 2021-02-03 | Control method, fresh air system and air conditioner |
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| CN202110151842.7A CN112902385A (en) | 2021-02-03 | 2021-02-03 | Control method, fresh air system and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113593395A (en) * | 2021-06-25 | 2021-11-02 | 重庆海尔空调器有限公司 | Function display method of air conditioner |
| CN114838414A (en) * | 2022-03-08 | 2022-08-02 | 青岛海尔空调器有限总公司 | Method and device for controlling fresh air pipe of fresh air equipment and fresh air equipment |
| WO2023065563A1 (en) * | 2021-05-20 | 2023-04-27 | 青岛海尔空调器有限总公司 | Indoor air-conditioning unit comprising fresh air apparatus and control method therefor |
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