CN114110995B - Heating standby indoor unit control method, air conditioner and storage medium - Google Patents
Heating standby indoor unit control method, air conditioner and storage medium Download PDFInfo
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- CN114110995B CN114110995B CN202010876719.7A CN202010876719A CN114110995B CN 114110995 B CN114110995 B CN 114110995B CN 202010876719 A CN202010876719 A CN 202010876719A CN 114110995 B CN114110995 B CN 114110995B
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/12—Position of occupants
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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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Abstract
The invention discloses a heating standby indoor unit control method, an air conditioner and a storage medium, wherein the method comprises the following steps: determining a target indoor unit in a heating standby state in a multi-split system; detecting whether a target user exists in a working area corresponding to the target indoor unit; and if the target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of the electronic expansion valve of the target indoor unit, so that the refrigerant noise of the target indoor unit is weakened by reducing the opening degree of the expansion valve of the target indoor unit in which the target user exists in the working area, and the comfort of the target user is improved.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to a control method of a heating standby indoor unit, an air conditioner and a storage medium.
Background
At present, in order to ensure normal oil return of a multi-split air conditioning system in a heating mode, electronic expansion valves of indoor units in a heating standby state are generally uniformly set to be at a fixed opening degree, however, refrigerant flow and state can be changed violently in the oil return process, so that large refrigerant noise can occur in the indoor units, and further, the comfort of users in rooms of the indoor units in the heating standby state is affected.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a control method of a heating standby indoor unit, an air conditioner and a storage medium, and aims to solve the technical problem that the comfort of a user is influenced when the current heating standby target indoor unit is subjected to oil return.
In order to achieve the above object, the present invention provides a control method for a heating standby indoor unit, including the steps of:
the control method of the heating standby indoor unit is applied to a multi-split system, and comprises the following steps:
determining a target indoor unit in a heating standby state in a multi-split system;
detecting whether a target user exists in a working area corresponding to the target indoor unit; and the number of the first and second groups,
and if the target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of the electronic expansion valve of the target indoor unit.
Preferably, if a target user exists in the working area corresponding to the target indoor unit, the step of decreasing the opening degree of the electronic expansion valve of the target indoor unit includes:
if a target user exists in a working area corresponding to the target indoor unit, acquiring the relative distance between the target user and the target indoor unit in real time; and the number of the first and second groups,
and determining the corrected opening of the electronic expansion valve of the target indoor unit according to the relative distance between the target user and the target indoor unit, and reducing the opening of the electronic expansion valve of the target indoor unit by the corrected opening.
Preferably, the step of determining a corrected opening degree of an electronic expansion valve of the target indoor unit according to a relative distance between the target user and the target indoor unit includes:
determining a target activity area matched with the target user at present according to the relative distance between the target user and the target indoor unit;
if the fact that the staying time of the target user in the target activity area reaches the preset staying time is detected, determining a first target relative distance between the target user and the target indoor unit; and the number of the first and second groups,
and determining the corrected opening degree of the electronic expansion valve of the target indoor unit according to the first target relative distance.
Preferably, the step of determining a corrected opening degree of an electronic expansion valve of the target indoor unit according to the first target relative distance includes:
and if the first target relative distance is greater than or equal to a first preset relative distance and is less than or equal to a second preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a first corrected opening.
Preferably, the step of determining a corrected opening degree of an electronic expansion valve of the target indoor unit according to the first target relative distance further includes:
and if the first target relative distance is smaller than a first preset relative distance, determining the corrected opening degree of the electronic expansion valve of the target indoor unit as a second corrected opening degree, wherein the second corrected opening degree is larger than the first corrected opening degree.
Preferably, if a target user exists in the working area corresponding to the target indoor unit, the step of decreasing the opening degree of the electronic expansion valve of the target indoor unit includes:
if a target user exists in a working area corresponding to the target indoor unit, acquiring an initial position of the target user at the current moment;
determining a target activity area of the target user according to the initial position of the target user;
if the staying time of the target user in the target activity area reaches the preset staying time, determining a second target relative distance between the target user and the target indoor unit in the target activity area; and (c) a second step of,
and determining the corrected opening of the electronic expansion valve of the target indoor unit according to the second target relative distance, and reducing the opening of the electronic expansion valve of the target indoor unit by the corrected opening.
Preferably, the step of determining a corrected opening degree of the electronic expansion valve of the target indoor unit according to the second target relative distance includes:
and if the second target relative distance is greater than or equal to a third preset relative distance and is less than or equal to a fourth preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a third corrected opening.
Preferably, the step of determining a corrected opening degree of an electronic expansion valve of the target indoor unit according to the second target relative distance further includes:
and if the second target relative distance is smaller than a third preset relative distance, determining that the corrected opening of the electronic expansion valve of the target indoor unit is a fourth corrected opening, wherein the fourth corrected opening is larger than the third corrected opening.
In addition, to achieve the above object, the present invention also provides an air conditioner including: a memory, a processor, and a heating standby indoor unit control program stored in the memory and operable on the processor, wherein the heating standby indoor unit control program, when executed by the processor, implements any of the steps of the heating standby indoor unit control method described above.
In order to achieve the above object, the present invention also provides a storage medium having a heating standby indoor unit control program stored thereon, the heating standby indoor unit control program, when executed by a processor, implementing the steps of the heating standby indoor unit control method described in any one of the above.
The control method of the heating standby indoor unit comprises the steps of determining a target indoor unit in a heating standby state in a multi-split system; detecting whether a target user exists in a working area corresponding to the target indoor unit; and if the target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of the electronic expansion valve of the target indoor unit, so that the refrigerant noise of the target indoor unit is weakened by reducing the opening degree of the expansion valve of the target indoor unit in which the target user exists in the working area, and the comfort of the target user is improved.
Drawings
FIG. 1 is a schematic diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a control method for a heating standby indoor unit according to a first embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the air conditioner may include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., a WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Optionally, the air conditioner may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like. Such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust brightness of the display screen according to brightness of ambient light, and a proximity sensor that may turn off the display screen or backlight when the mobile terminal moves to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), detect the magnitude and direction of gravity when the mobile terminal is stationary, and can be used for applications (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer and tapping) and the like for recognizing the attitude of the mobile terminal; of course, the mobile terminal may also be configured with other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which are not described herein again.
Those skilled in the art will appreciate that the air conditioner configuration shown in fig. 1 is not intended to be limiting of the air conditioner and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, the memory 1005, which is one type of storage medium, may include an operating system, a network communication module, a user interface module, and a heating standby indoor unit control program.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to call a heating standby indoor unit control program stored in the memory 1005.
In this embodiment, the heating standby indoor unit control device includes: a memory 1005, a processor 1001, and a heating standby indoor unit control program stored in the memory 1005 and operable on the processor 1001, wherein when the processor 1001 calls the heating standby indoor unit control program stored in the memory 1005, the following operations are performed:
determining a target indoor unit in a heating standby state in a multi-split system;
detecting whether a target user exists in a working area corresponding to the target indoor unit; and the number of the first and second groups,
and if the target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of the electronic expansion valve of the target indoor unit.
Further, the processor 1001 may call the heating standby indoor unit control program stored in the memory 1005, and further perform the following operations:
if a target user exists in a working area corresponding to the target indoor unit, acquiring the relative distance between the target user and the target indoor unit in real time; and the number of the first and second groups,
and determining the corrected opening of the electronic expansion valve of the target indoor unit according to the relative distance between the target user and the target indoor unit, and reducing the opening of the electronic expansion valve of the target indoor unit by the corrected opening.
Further, the processor 1001 may call the heating standby indoor unit control program stored in the memory 1005, and further perform the following operations:
determining a target activity area matched with the target user at present according to the relative distance between the target user and the target indoor unit;
if the fact that the staying time of the target user in the target activity area reaches the preset staying time is detected, determining a first target relative distance between the target user and the target indoor unit; and the number of the first and second groups,
and determining the corrected opening degree of the electronic expansion valve of the target indoor unit according to the first target relative distance.
Further, the processor 1001 may call the heating standby indoor unit control program stored in the memory 1005, and further perform the following operations:
and if the first target relative distance is greater than or equal to a first preset relative distance and is less than or equal to a second preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a first corrected opening.
Further, the processor 1001 may call the heating standby indoor unit control program stored in the memory 1005, and further perform the following operations:
and if the first target relative distance is smaller than a first preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a second corrected opening, wherein the second corrected opening is larger than the first corrected opening.
Further, the processor 1001 may call the heating standby indoor unit control program stored in the memory 1005, and further perform the following operations:
if a target user exists in a working area corresponding to the target indoor unit, acquiring an initial position of the target user at the current moment;
determining a target activity area of the target user according to the initial position of the target user;
if the staying time of the target user in the target activity area reaches the preset staying time, determining a second target relative distance between the target user and the target indoor unit in the target activity area; and the number of the first and second groups,
and determining the corrected opening of the electronic expansion valve of the target indoor unit according to the second target relative distance, and reducing the opening of the electronic expansion valve of the target indoor unit by the corrected opening.
Further, the processor 1001 may call the heating standby indoor unit control program stored in the memory 1005, and further perform the following operations:
and if the second target relative distance is greater than or equal to a third preset relative distance and is less than or equal to a fourth preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a third corrected opening.
Further, the processor 1001 may call the heating standby indoor unit control program stored in the memory 1005, and further perform the following operations:
and if the second target relative distance is smaller than a third preset relative distance, determining that the corrected opening of the electronic expansion valve of the target indoor unit is a fourth corrected opening, wherein the fourth corrected opening is larger than the third corrected opening.
The invention also provides a control method of the heating standby indoor unit, which is applied to a multi-split system,
based on the air conditioner, a first embodiment of the control method for the heating standby indoor unit of the present invention is provided, and referring to fig. 2, fig. 2 is a flowchart illustrating the control method for the heating standby indoor unit of the present invention according to the first embodiment.
Step S10, determining a target indoor unit in a heating standby state in a multi-split system;
step S20, detecting whether a target user exists in a working area corresponding to the target indoor unit, and;
it should be noted that the control method for a heating standby indoor unit provided by the present invention is applied to a multi-split air-conditioning system, where the multi-split air-conditioning system is composed of an outdoor unit and a plurality of target indoor units connected in parallel, specifically, the plurality of target indoor units connected in parallel are arranged in different rooms, and a heating loop (a refrigeration loop) formed between each target indoor unit and the outdoor unit is not affected by each other, for example, when the multi-split air-conditioning system is in a heating mode, a target indoor unit in a heating operation state may exist in the multi-split air-conditioning system, or a target indoor unit in a shutdown state may exist, or an indoor unit in a temporary shutdown operation state when the indoor temperature reaches a set temperature may also exist, because when the multi-split air-conditioning system is in a long-time heating operation, due to low rotation speed of the compressor, the refrigerant flow speed is slow, compressed lubricating oil cannot return to the compressor along with suction after entering the system, is mainly accumulated in the indoor unit in a heating standby state, resulting in oil shortage of the compressor, the long-time, the reliability of the system is affected, therefore, all indoor unit electronic expansion valves in the multi-split air-conditioning system in the standby state in the multi-split air-conditioning system in a low-conditioning system are opened to a certain degree of return speed, thereby increasing the refrigerant flow rate, and the indoor unit in a sudden temperature rise of the indoor unit, and causing the indoor unit in a sudden standby state, and the indoor system, the indoor unit in a sudden expansion state, the indoor system, the indoor unit in a sudden standby state, thereby causing unstable state, and causing noise.
Therefore, in order to solve the above technical problem, the present invention provides a control method for a heating standby indoor unit, so as to solve the problem of noise of a refrigerant in a heating standby state in a multi-split air-conditioning system when the multi-split air-conditioning system is in a heating mode to perform oil return, and specifically, when the multi-split air-conditioning system is in the heating mode, to avoid accumulation of the refrigerant, the opening degrees of electronic expansion valves of all target indoor units in the heating standby state of the multi-split air-conditioning system are all adjusted to a preset oil return opening degree to ensure the stability of oil return of the multi-split air-conditioning system, where the opening degree of the preset oil return opening degree is in a range of 50P to 90P, for example, the opening degrees of electronic expansion valves of all target indoor units in the multi-split air-conditioning system are all adjusted to 70P, and if the target indoor unit is in the heating state at the last time when the multi-split air-conditioning system enters the oil return mode and the opening degree of the electronic expansion valve of the target indoor unit is 480P, the opening degree of the electronic expansion valve of the target indoor unit is adjusted from 480P to 70P, and if the target indoor unit is in the standby state at the last time when the multi-split air-conditioning system enters the oil return mode, the target indoor unit enters the oil return mode, the multi-conditioning system to ensure the stability of the multi-split air-conditioning system.
When electronic expansion valves of target indoor units of a multi-split air-conditioning system return oil at preset oil return opening degrees, if a regulation and control instruction of the electronic expansion valves is received, for example, it is detected that the noise of a refrigerant generated by the multi-split air-conditioning system currently exceeds a set maximum noise, and the like, the target indoor units in a heating standby state in the multi-split air-conditioning system are determined, wherein the target indoor units in the heating standby state include target indoor units which are temporarily stopped when the temperature reaches a set temperature and target indoor units in a shutdown state, and after the target indoor units in the heating standby state in the multi-split air-conditioning system are determined, whether target users exist in a working area corresponding to the target indoor units in the heating standby state is detected, in the embodiment, each target indoor unit is provided with a human body detection device, such as an infrared detector or an infrared thermal imaging device, and human body detection is performed on the working area corresponding to each target indoor unit by using the human body detection device to detect whether target users exist in the working area corresponding to the target indoor units.
It should be noted that, in this embodiment, the working area may be a whole indoor area corresponding to the target indoor unit, or an area covered by refrigerant noise of the target indoor unit when the target indoor unit performs oil return, or may also be an area set by a user in a user-defined manner, and specifically, without limitation, after performing human body detection on the working area corresponding to the target indoor unit in a heating standby state, it is determined whether a target user exists in the working area, specifically, the target user may be a preset user, for example, the user in the working area corresponding to the target indoor unit includes a user a and a user B, where, the method comprises the steps that a user A is sensitive to refrigerant noise generated when a target indoor unit performs oil return, a user B can receive the refrigerant noise generated when the target indoor unit performs oil return, the user A can store feature information of the user A in a multi-split air-conditioning system, such as face information and special gesture information of the user A, if the feature information of the user A is detected in a working area corresponding to the target indoor unit in a heating standby state in the multi-split air-conditioning system, whether a target user exists in the working area corresponding to the current target indoor unit or not is judged, further, the target user also comprises a user in a resting state, a user making a special gesture and the like, and the method can be flexibly set specifically.
And step S30, if a target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of the electronic expansion valve of the target indoor unit.
In this step, if a target user is detected in a working area corresponding to a target indoor unit in a heating standby state, the opening degree of an electronic expansion valve of the target indoor unit may be decreased to weaken refrigerant noise generated by the target indoor unit, further, if the target user is detected in the working area corresponding to the target indoor unit in the heating standby state, the environmental noise in the working area corresponding to the target indoor unit before the multi-split air conditioner system enters an oil return mode may be acquired, if the current refrigerant noise of the target indoor unit exceeds the environmental noise, the opening degree of the electronic expansion valve of the target indoor unit may be decreased, if the current refrigerant noise of the target indoor unit does not exceed the environmental noise, the opening degree of the electronic expansion valve of the target indoor unit may not be decreased to balance the stability of oil return of the multi-split air conditioner system and the relationship between the refrigerant noise.
Further, when a target user exists in a working area corresponding to the target indoor unit, it may be determined whether a relative distance between the target user and the target indoor unit can be currently obtained, if the relative distance between the target user and the target indoor unit cannot be obtained, the opening of the electronic expansion valve of the target indoor unit is decreased by a preset correction opening, for example, by 10P, and if the relative distance between the target user and the target indoor unit can be obtained, the opening of the electronic expansion valve of the target indoor unit is adjusted and controlled according to the relative distance between the target user and the target indoor unit.
In the control method for the heating standby indoor unit provided by the embodiment, a target indoor unit in a heating standby state in a multi-split system is determined; detecting whether a target user exists in a working area corresponding to the target indoor unit; and if the target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of the electronic expansion valve of the target indoor unit, so that the refrigerant noise of the target indoor unit is weakened by reducing the opening degree of the expansion valve of the target indoor unit in which the target user exists in the working area, and the comfort of the target user is improved.
A second embodiment of the method according to the present invention is proposed based on the first embodiment, in which step S30 further comprises,
step S301, if a target user exists in a working area corresponding to the target indoor unit, acquiring a relative distance between the current target user and the target indoor unit; and the number of the first and second groups,
step S302, determining a corrected opening of the electronic expansion valve of the target indoor unit according to the relative distance between the target user and the target indoor unit, and reducing the corrected opening of the electronic expansion valve of the target indoor unit.
In this step, it should be noted that, in order to improve the accuracy of oil return regulation of the target indoor unit, the electronic expansion valve of the target indoor unit may be regulated according to the position condition of the target user, and optionally, if the number of users in the working area corresponding to the target indoor unit is multiple, the relative distance between each current user and the target indoor unit is determined, and a user corresponding to the shortest relative distance between each current user and the target indoor unit is taken as the target user, so as to determine the corrected opening degree of the electronic expansion valve of the target indoor unit according to the relative distance between the target user and the target indoor unit, for example, if it is detected that a user a, a user B, and a user C are present in the working area corresponding to the target indoor unit, where the relative distance between the user a and the target indoor unit is 3m, the relative distance between the user B and the target indoor unit is 4m, and the relative distance between the user C and the target indoor unit is 7m, the user a is taken as the target user a, and the user a is located and tracked, so as to determine the corrected opening degree of the electronic expansion valve of the target indoor unit according to the change condition of the relative distance between the user a and the target indoor unit.
Specifically, step S302 includes:
step S3021, determining a target activity area matched with the target user currently according to the relative distance between the target user and the target indoor unit;
step S3022, if it is detected that the staying time of the target user in the target activity area reaches a preset staying time, determining a first target relative distance between the target user and the target indoor unit; and the number of the first and second groups,
step S3023, determining a corrected opening degree of the electronic expansion valve of the target indoor unit according to the first target relative distance.
In this step, it should be noted that, in this embodiment, a working area corresponding to the target indoor unit is divided into a plurality of active areas in advance, for example, the working area corresponding to the target indoor unit is divided into a first active area, a second active area and a third active area, where a relative distance between the target user in the first active area and the target indoor unit is less than 3m, a relative distance between the target user in the second active area and the target indoor unit is greater than or equal to 3m and less than or equal to 4m, and a relative distance between the target user in the third active area and the target indoor unit is greater than 4m, after the relative distance between the target user and the target indoor unit is obtained, the target active area matched with the current target user is determined, optionally, if there are a plurality of target users, such as a target user a, a target user B and a target user C, where, the relative distance between the target user A and the target indoor unit is 2.5m, the relative distance between the target user B and the target indoor unit is 4m, the relative distance between the target user C and the target indoor unit is 7m, the target activity area matched with the target user A is a first target activity area, the target activity area matched with the target user B is a second target activity area, the target activity area matched with the target user A is a third target activity area, whether the staying time of each target user in the target activity area matched with each target user reaches the preset staying time or not is detected, if the staying time of a plurality of target users in the target activity areas matched with each target user reaches the preset staying time, if the staying time of the target user A in the first target activity area and the staying time of the target user B in the second target activity area reach the preset staying time, and taking the shortest relative distance in the relative distances as a first target relative distance, namely taking the relative distance between the target user A and the target indoor unit as the first target relative distance, and determining the corrected opening degree of the electronic expansion valve of the target indoor unit according to the first target relative distance.
Specifically, the step of determining a corrected opening degree of the electronic expansion valve of the target indoor unit according to the first target relative distance includes:
and if the first target relative distance is greater than or equal to a first preset relative distance and is less than or equal to a second preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a first corrected opening. And the number of the first and second groups,
and if the first target relative distance is smaller than a first preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a second corrected opening, wherein the second corrected opening is larger than the first corrected opening.
In this step, it should be noted that, since the received refrigerant noise intensity is weaker as the distance from the target indoor unit is farther, the smaller the shortest relative distance between the target user and the target indoor unit is, the larger the corrected opening degree of the electronic expansion valve of the target indoor unit is, so as to ensure the comfort of the target user.
In this embodiment, if a target user exists in a working area corresponding to the target indoor unit, a relative distance between the target user and the target indoor unit is obtained in real time; and determining the corrected opening of the electronic expansion valve of the target indoor unit according to the relative distance between the target user and the target indoor unit, and reducing the opening of the electronic expansion valve of the target indoor unit by the corrected opening, so that the expansion valve of the target indoor unit with the target user in the working area is reduced, the refrigerant noise of the target indoor unit is weakened, and the comfort of the user is further improved.
A third embodiment of the method according to the present invention is proposed based on the first embodiment, and in this embodiment, the step S30 further includes,
step S303, if a target user exists in a working area corresponding to the target indoor unit, acquiring an initial position of the target user at the current moment;
step S304, determining a target activity area of the target user according to the initial position of the target user;
step S305, if the staying time of the target user in the target activity area reaches a preset staying time, determining a second target relative distance between the target user and the target indoor unit in the target activity area; and the number of the first and second groups,
step S306, determining the corrected opening of the electronic expansion valve of the target indoor unit according to the second target relative distance, and reducing the opening of the electronic expansion valve of the target indoor unit by the corrected opening.
In this step, if it is detected that a target user exists in a working area corresponding to a target indoor unit, an initial position of the target user at the current time is obtained, and a target activity area of the target user is determined according to the initial position of the target user, for example, optionally, an area within 1 meter from the center is divided into target activity areas of the target user with the initial position of the target user as the center, optionally, the working area corresponding to each target indoor unit in a multi-split system is divided into a plurality of activity areas, after the initial position of the target user at the current time is obtained, the activity area including the initial position of the target user is determined as the target activity area, then, the target user is subjected to real-time positioning and tracking to determine an activity state of the target user, and when it is monitored that the target user stays in the target activity area for a preset time, an electronic expansion valve opening of the target indoor unit is regulated and controlled, specifically, a second target relative distance (i.e., a shortest relative distance) between the target user and the target indoor unit is determined, a corrected opening of the electronic expansion valve of the target indoor unit is determined according to the second target relative distance, and the electronic expansion valve opening of the target expansion valve is reduced.
Specifically, the step of determining a corrected opening degree of the electronic expansion valve of the target indoor unit according to the second target relative distance includes:
and if the second target relative distance is greater than or equal to a third preset relative distance and is less than or equal to a fourth preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a third corrected opening.
And if the second target relative distance is smaller than a third preset relative distance, determining that the corrected opening of the electronic expansion valve of the target indoor unit is a fourth corrected opening, wherein the fourth corrected opening is larger than the third corrected opening.
In this step, it should be noted that, since the intensity of the received refrigerant noise is weaker as the distance from the target indoor unit is farther, the smaller the shortest relative distance between the target user and the target indoor unit is, the larger the corrected opening degree of the electronic expansion valve of the target indoor unit is, so as to ensure the comfort of the target user.
In this embodiment, if a target user exists in a working area corresponding to the target indoor unit, an initial position of the target user at the current moment is obtained; determining a target activity area of the target user according to the initial position of the target user; if the stay time of the target user in the target activity area reaches the preset stay time, determining a second target relative distance between the target user and the target indoor unit in the target activity area; and determining a corrected opening degree of the electronic expansion valve of the target indoor unit according to the second target relative distance, and reducing the corrected opening degree of the electronic expansion valve of the target indoor unit, so that the expansion valve of the target indoor unit with the target user in the working area is reduced, the refrigerant noise of the target indoor unit is weakened, and the comfort of the user is further improved.
In addition, an embodiment of the present invention further provides a storage medium, where a heating standby indoor unit control program is stored, and the heating standby indoor unit control program, when executed by a processor, implements the steps of each embodiment of the above-described heating standby indoor unit control method.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or the portions contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above and includes several instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The control method of the heating standby indoor unit is applied to a multi-split system, and when the multi-split system is in a heating mode and returns oil, the control method of the heating standby indoor unit comprises the following steps:
determining a target indoor unit in a heating standby state in a multi-split system;
detecting whether a target user exists in a working area corresponding to the target indoor unit; and the number of the first and second groups,
if the target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of an electronic expansion valve of the target indoor unit;
if the target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of the electronic expansion valve of the target indoor unit, including:
and if a target user exists in the working area corresponding to the target indoor unit, reducing the opening degree of the electronic expansion valve of the target indoor unit according to the relative distance between the target indoor unit and the target user.
2. The heating standby indoor unit control method according to claim 1, wherein the step of decreasing the opening degree of the electronic expansion valve of the target indoor unit if the target user exists in the working area corresponding to the target indoor unit comprises:
if a target user exists in a working area corresponding to the target indoor unit, acquiring the relative distance between the target user and the target indoor unit in real time; and (c) a second step of,
and determining the corrected opening of the electronic expansion valve of the target indoor unit according to the relative distance between the target user and the target indoor unit, and reducing the opening of the electronic expansion valve of the target indoor unit by the corrected opening.
3. The method of claim 2, wherein the step of determining a corrected opening degree of an electronic expansion valve of the target indoor unit according to a relative distance between the target user and the target indoor unit comprises:
determining a target activity area matched with the target user at present according to the relative distance between the target user and the target indoor unit;
if the fact that the staying time of the target user in the target activity area reaches the preset staying time is detected, determining a first target relative distance between the target user and the target indoor unit; and the number of the first and second groups,
and determining the corrected opening degree of the electronic expansion valve of the target indoor unit according to the first target relative distance.
4. A heating standby indoor unit control method as claimed in claim 3, wherein the step of determining a corrected opening degree of an electronic expansion valve of the target indoor unit based on the first target relative distance comprises:
and if the first target relative distance is greater than or equal to a first preset relative distance and is less than or equal to a second preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a first corrected opening.
5. The heating standby indoor unit control method according to claim 4, wherein the step of determining the corrected opening degree of the electronic expansion valve of the target indoor unit based on the first target relative distance further includes:
and if the first target relative distance is smaller than a first preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a second corrected opening, wherein the second corrected opening is larger than the first corrected opening.
6. The heating standby indoor unit control method according to claim 1, wherein the step of decreasing the opening degree of the electronic expansion valve of the target indoor unit if the target user exists in the working area corresponding to the target indoor unit comprises:
if a target user exists in a working area corresponding to the target indoor unit, acquiring an initial position of the target user at the current moment;
determining a target activity area of the target user according to the initial position of the target user;
if the staying time of the target user in the target activity area reaches the preset staying time, determining a second target relative distance between the target user and the target indoor unit in the target activity area; and (c) a second step of,
and determining the corrected opening of the electronic expansion valve of the target indoor unit according to the second target relative distance, and reducing the opening of the electronic expansion valve of the target indoor unit by the corrected opening.
7. A heating standby indoor unit control method as claimed in claim 6, wherein the step of determining a corrected opening degree of an electronic expansion valve of the target indoor unit based on the second target relative distance comprises:
and if the second target relative distance is greater than or equal to a third preset relative distance and is less than or equal to a fourth preset relative distance, determining the corrected opening of the electronic expansion valve of the target indoor unit as a third corrected opening.
8. The heating standby indoor unit control method according to claim 7, wherein the step of determining the corrected opening degree of the electronic expansion valve of the target indoor unit based on the second target relative distance further includes:
and if the second target relative distance is smaller than a third preset relative distance, determining that the corrected opening of the electronic expansion valve of the target indoor unit is a fourth corrected opening, wherein the fourth corrected opening is larger than the third corrected opening.
9. An air conditioner, characterized in that the air conditioner comprises: a memory, a processor, and a heating standby indoor unit control program stored on the memory and executable on the processor, the heating standby indoor unit control program, when executed by the processor, implementing the steps of the heating standby indoor unit control method according to any one of claims 1 to 8.
10. A storage medium having stored thereon a heating-standby indoor unit control program that, when executed by a processor, implements the steps of the heating-standby indoor unit control method according to any one of claims 1 to 8.
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| CN108224739B (en) * | 2017-12-01 | 2020-08-18 | 青岛海尔空调电子有限公司 | Noise control method of multi-connected air conditioning system |
| CN110822615A (en) * | 2018-08-10 | 2020-02-21 | 青岛海尔空调电子有限公司 | Method and device for controlling expansion valve in multi-connected air conditioning system and storage medium |
| CN109631248B (en) * | 2018-11-16 | 2021-05-25 | 青岛海尔空调电子有限公司 | Multi-split air conditioner refrigeration oil return noise reduction control method and system |
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