CN108278760B - Air supply control method of air conditioner and computer storage medium - Google Patents
Air supply control method of air conditioner and computer storage medium Download PDFInfo
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- CN108278760B CN108278760B CN201711385376.9A CN201711385376A CN108278760B CN 108278760 B CN108278760 B CN 108278760B CN 201711385376 A CN201711385376 A CN 201711385376A CN 108278760 B CN108278760 B CN 108278760B
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- air conditioner
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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
- F24F13/142—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 pivoting blades with intersecting axles
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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
- F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides an air supply control method of an air conditioner and a computer storage medium. The air supply control method of the air conditioner comprises the following steps: acquiring an air supply instruction of a user, and determining the swinging directions of the transverse swinging blades and the vertical swinging blades; controlling the micropore sliding plate to be opened, and enabling the transverse swing blade and the vertical swing blade to act according to the determined swing direction; detecting the ambient temperature of the space where the air conditioner is located, determining the operating frequency of a compressor of the air conditioner, and driving the compressor to operate for a first preset time according to the determined operating frequency; and controlling the running frequency of the compressor to be reduced, and controlling the micropore sliding plate to be closed after the running frequency of the compressor is reduced for a second preset time period, so that the air conditioner supplies air through the micropores. The scheme of the invention can avoid the phenomenon that excessive cold energy generated inside causes condensed water and even frosting, the air supply control method is more reasonable, and the micropore air supply can realize cool air supply but not cool air supply, hot air supply but not dry air supply, thereby greatly improving the comfort level of users.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air supply control method of an air conditioner and a computer storage medium.
Background
With the social development and the continuous improvement of the living standard of people, the requirements of people on the living quality are higher and higher. People pay more and more attention to the comfort of living environment, and environment conditioning electric appliances such as air conditioners become one of indispensable electrical equipment in daily life of people. The air conditioner can help people to reach a temperature suitable for the environment when the environment temperature is too high or too low.
The air supply mode of the air conditioner is closely related to the comfort experience of users, and the air supply mode of the traditional vertical air conditioner indoor unit often has the following defects: the air outlet directly sends out the air through the guide plate, the transverse swing blades and the vertical swing blades, the air port directly blows the air to a user to generate a supercooled feeling during refrigeration, and a very dry feeling is generated during heating. In addition, under the condition of strong or high wind, the wind directly sent out is rapid and unfriendly, so that the noise is high, and the strong wind power influences the user experience; if the wind speed is reduced, the design requirement of the refrigerating capacity can not be met.
Disclosure of Invention
The invention aims to make the air supply mode of the air conditioner more reasonable and improve the comfort of users.
A further object of the present invention is to reduce the power consumption and noise of an air conditioner.
Particularly, the invention provides an air supply control method of an air conditioner, wherein a transverse swing blade, a vertical swing blade and a micropore sliding plate are sequentially arranged at an air outlet of the air conditioner from inside to outside, a plurality of micropores are formed in the micropore sliding plate, and the air supply control method of the air conditioner comprises the following steps: acquiring an air supply instruction of a user, and determining the swing directions of the transverse swing blades and the vertical swing blades according to the air supply instruction; controlling the micropore sliding plate to be opened, and enabling the transverse swing blade and the vertical swing blade to act according to the determined swing direction; detecting the ambient temperature of the space where the air conditioner is located, determining the operating frequency of a compressor of the air conditioner according to the ambient temperature, and driving the compressor to operate for a first preset time according to the determined operating frequency; and controlling the running frequency of the compressor to be reduced, and controlling the micropore sliding plate to be closed after the running frequency of the compressor is reduced for a second preset time period, so that the air conditioner supplies air through the micropores.
Optionally, after the step of obtaining the air supply instruction of the user, the method further includes: determining the fan rotating speed of the air conditioner according to the air supply instruction; and driving the fan to operate according to the determined rotating speed.
Optionally, after the operating frequency of the compressor is reduced for a third preset time, the rotating speed of the fan is controlled to be reduced, and the transverse swing vane and the vertical swing vane are reset, wherein the third preset time is shorter than the second preset time.
Optionally, after the step of obtaining the air supply instruction of the user, the method further includes: and determining the working mode of the air conditioner according to the air supply instruction, wherein the working mode comprises a cooling mode and a heating mode.
Optionally, when the air conditioner operates in the cooling mode, after the step of controlling the operating frequency of the compressor to decrease, the method further comprises: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is lower than a first preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again.
Optionally, when the air conditioner operates in the heating mode, after the step of controlling the operating frequency of the compressor to be reduced, the method further comprises: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is greater than a second preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again.
Optionally, the step of controlling the reduction of the operating frequency of the compressor comprises: multiplying the running frequency of the compressor determined according to the ambient temperature by a preset coefficient to obtain a reduced running frequency, wherein the preset coefficient is less than 1; and driving the compressor to operate at the reduced operating frequency.
Optionally, after the step of obtaining the air supply instruction of the user, the method further includes: determining the set temperature of the air conditioner according to the air supply instruction; and before the step of controlling the reduction of the operating frequency of the compressor, further comprising: judging whether the difference value between the environment temperature and the set temperature is less than a third preset temperature or not; and if so, executing the step of controlling the running frequency of the compressor to be reduced.
Optionally, when the difference between the ambient temperature and the set temperature is greater than or equal to a third preset temperature, the compressor continues to operate according to the determined operating frequency until the difference between the ambient temperature and the set temperature is less than the third preset temperature.
According to another aspect of the present invention, there is also provided a computer storage medium, wherein a computer program is stored, and the computer program is executed to cause an apparatus of the computer storage medium to execute any of the above-mentioned air supply control methods of the air conditioner.
The air supply control method and the computer storage medium of the air conditioner of the invention determine the swing directions of the transverse swing blades and the vertical swing blades according to the air supply instruction by acquiring the air supply instruction of a user; controlling the micropore sliding plate to be opened, and enabling the transverse swing blade and the vertical swing blade to act according to the determined swing direction; detecting the ambient temperature of the space where the air conditioner is located, and determining the operating frequency of a compressor of the air conditioner according to the ambient temperature; and driving the compressor to operate for a first preset time period according to the determined operating frequency, controlling the operating frequency of the compressor to be reduced, and controlling the micropore sliding plate to be closed after the operating frequency of the compressor is reduced for a second preset time period, so that the air conditioner supplies air through the micropores. The compressor runs for a first preset time according to the determined running frequency to reach a stable working state, then the running frequency is reduced for a second preset time, and then the micropore sliding plate is controlled to be closed, so that the phenomenon that excessive cold generated inside causes condensate water or even frosting is avoided, and the air supply control method is more reasonable. The air outlet is mild and not rapid through the micropore sliding plate, the slow permeation effect is achieved, the micropore air supply can realize air supply cool but not cold or hot but not dry, and the comfort level of a user is greatly improved.
Further, the air supply control method and computer storage medium of the air conditioner of the present invention further comprise, after the step of obtaining the air supply instruction of the user: determining the fan rotating speed of the air conditioner according to the air supply instruction; and driving the fan to operate according to the determined rotating speed. And after the running frequency of the compressor is reduced for a third preset time, controlling the rotating speed of the fan to be reduced, and resetting the transverse swing blade and the vertical swing blade, wherein the third preset time is shorter than the second preset time. The reduction of the speed of the fan is combined with the reduction of the frequency of the compressor, so that the phenomenon that excessive cold energy is generated to cause condensed water and even frost is further avoided. The transverse swing blade and the vertical swing blade are reset at first, and then the micropore sliding plate is controlled to be closed, so that the transverse swing blade, the vertical swing blade and the micropore sliding plate are prevented from interfering, and the working reliability of the air conditioner is improved.
Further, the method for controlling air supply of an air conditioner and the computer storage medium of the present invention further comprise, after the step of controlling the operating frequency of the compressor to decrease when the air conditioner is operating in the cooling mode: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is lower than a first preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again, and realizing the anti-freezing protection. When the air conditioner runs in the heating mode, the method further comprises the following steps after the step of controlling the running frequency of the compressor to be reduced: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is greater than a second preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again, realizing overload protection, reducing the energy consumption and noise of the air conditioner and further ensuring the overall working reliability of the air conditioner.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of an air conditioner in which a supply air control method of the air conditioner according to an embodiment of the present invention is applied when a micro-perforated slide plate of the air conditioner is opened;
fig. 2 is a schematic view of an air conditioner in which a supply air control method of the air conditioner according to an embodiment of the present invention is applied when a micro-perforated slide plate of the air conditioner is closed;
fig. 3 is a schematic view of a blowing control method of an air conditioner according to an embodiment of the present invention;
fig. 4 is a detailed flowchart of a blowing control method of an air conditioner according to an embodiment of the present invention; and
FIG. 5 is a schematic diagram of a computer storage medium according to one embodiment of the invention.
Detailed Description
The embodiment firstly provides an air supply control method of an air conditioner, so that the air supply mode is more reasonable, the air outlet is mild and not rapid through the micropore sliding plate, the slow permeation effect is achieved, the micropore air supply can realize cool air supply but not cool, hot air supply but not dry air supply, and the comfort level of a user is greatly improved. Fig. 1 is a schematic view of an air conditioner to which a blowing control method of the air conditioner according to an embodiment of the present invention is applied when a micro-perforated slide plate of the air conditioner is opened, and fig. 2 is a schematic view of an air conditioner to which a blowing control method of the air conditioner according to an embodiment of the present invention is applied when a micro-perforated slide plate of the air conditioner is closed.
As shown in fig. 1 and 2, a transverse swing blade, a vertical swing blade and a micro-porous sliding plate are sequentially arranged at an air outlet of the air conditioner from inside to outside. Wherein, a plurality of micropores are arranged on the micropore sliding plate, the micropores can be uniformly distributed on the micropore sliding plate, and each micropore can be round. The round shape of the micropores is merely an example, and is not intended to limit the present invention. In other embodiments, the micro-holes may have other shapes. As shown in fig. 1, when the micropore sliding plate is opened, the air conditioner directly supplies air through the transverse swing blade and the vertical swing blade; as shown in fig. 2, the air conditioner supplies air through the plurality of micro-holes of the micro-hole slider when the micro-hole slider is closed. The micropore air supply can realize cool air supply without cooling or hot air supply without dryness, and greatly improves the comfort level of users.
Fig. 3 is a schematic view of an air supply control method of an air conditioner according to an embodiment of the present invention. The air supply control method of the air conditioner can execute the following steps:
step S302, acquiring an air supply instruction of a user, and determining the swing directions of the transverse swing blades and the vertical swing blades according to the air supply instruction;
step S304, controlling the micropore sliding plate to be opened, and enabling the transverse swing blade and the vertical swing blade to act according to the determined swing direction;
step S306, detecting the ambient temperature of the space where the air conditioner is located, determining the operating frequency of a compressor of the air conditioner according to the ambient temperature, and driving the compressor to operate for a first preset time according to the determined operating frequency;
and step S308, controlling the running frequency of the compressor to be reduced, and controlling the micropore sliding plate to be closed after the running frequency of the compressor is reduced for a second preset time period, so that the air conditioner supplies air through the micropores.
In the above steps, the determination of the swing directions of the horizontal swing blades and the vertical swing blades according to the air supply instruction in step S302 may specifically be: the wind is swung left and right or up and down. If the wind swings left and right, the vertical swing blade moves left and right; if the wind is swinging up and down, the transverse swinging blade moves up and down.
In step S304, the micropore sliding plate is controlled to be opened, and then the horizontal swing blade and the vertical swing blade are made to move according to the determined swing direction, so that the micropore sliding plate can be prevented from interfering with the horizontal swing blade or the vertical swing blade, the horizontal swing blade or the vertical swing blade can be guaranteed to swing normally, and the working reliability of the air conditioner is improved.
The specific process of determining the operating frequency of the compressor of the air conditioner according to the ambient temperature in step S306 may be as follows: an information look-up table may be pre-stored with operating frequencies of the compressor corresponding to different ambient temperatures. After the ambient temperature is detected, the operating frequency of the compressor corresponding to the ambient temperature can be inquired according to the information lookup table. It should be noted that the information lookup table of the air conditioner operating in the cooling mode and the heating mode is different. Whether the air conditioner is operated in the cooling mode or the heating mode may also be determined by the user' S blowing instruction acquired in step S302.
In one specific embodiment, when the air conditioner is operated in the cooling mode, the different ambient temperatures T may be divided into the following ranges: t is less than or equal to 16 ℃, T is less than or equal to 22 ℃, T is less than or equal to 29 ℃ and T is more than 32 ℃, and the operating frequencies of the compressors corresponding to different environmental temperatures T can be set as follows: 32Hz, 45Hz, 50Hz, 63Hz, 75 Hz. That is, when the air conditioner operates in a refrigeration mode and the detected ambient temperature T is within the range of T being less than or equal to 16 ℃, determining the operating frequency of the compressor to be 32 Hz; when the detected ambient temperature T is within the range of 16 ℃ and less than or equal to 22 ℃, determining the operating frequency of the compressor to be 45 Hz; when the detected ambient temperature T is in the range of 22 ℃ and less than or equal to 29 ℃, determining the running frequency of the compressor to be 50 Hz; when the detected ambient temperature T is within the range of 29 ℃ and less than or equal to 32 ℃, determining the running frequency of the compressor to be 63 Hz; and when the detected ambient temperature T is in the range of T > 32 ℃, determining the running frequency of the compressor to be 75 Hz. It should be noted that the ranges of the different environmental temperatures T and the specific values of the operating frequencies of the corresponding compressors are only examples, and are not intended to limit the present invention. However, when the air conditioner is operated in the cooling mode, generally, the higher the ambient temperature, the higher the operating frequency of the corresponding compressor, and the setting may be made according to actual conditions.
When the air conditioner is operated in the heating mode, the different ambient temperatures T can be divided into the following ranges: t is less than or equal to-5 ℃, T is less than or equal to-5 ℃ and less than or equal to 0 ℃, T is less than or equal to 0 ℃ and less than or equal to 5 ℃, T is less than or equal to 5 ℃ and less than or equal to 10 ℃, T is less than or equal to 16 ℃ and less than or equal to 22 ℃, T is greater than 22 ℃, and the operating frequencies of the compressors corresponding to different environmental temperatures T can be set as follows: 83Hz, 76Hz, 70Hz, 68Hz, 60Hz, 50Hz, 42 Hz. That is, when the air conditioner operates in a heating mode and the detected ambient temperature T is within the range of T less than or equal to minus 5 ℃, determining the operating frequency of the compressor to be 83 Hz; when the detected ambient temperature T is in the range of-5 ℃ and less than or equal to 0 ℃, determining the running frequency of the compressor to be 76 Hz; when the detected ambient temperature T is within the range of 0 ℃ and less than or equal to 5 ℃, determining the running frequency of the compressor to be 70 Hz; when the detected ambient temperature T is in the range of 5 ℃ and less than or equal to 10 ℃, determining the running frequency of the compressor to be 68 Hz; when the detected ambient temperature T is within the range of 10 ℃ and less than or equal to 16 ℃, determining the running frequency of the compressor to be 60 Hz; when the detected ambient temperature T is within the range of 16 ℃ and less than or equal to 22 ℃, determining the running frequency of the compressor to be 50 Hz; when the detected ambient temperature T is in the range of T > 22 ℃, the operation frequency of the compressor is determined to be 42 Hz. It should be noted that the ranges of the different environmental temperatures T and the specific values of the operating frequencies of the corresponding compressors are only examples, and are not intended to limit the present invention. However, when the air conditioner is operated in the heating mode, generally, the lower the ambient temperature is, the higher the operating frequency of the corresponding compressor is, and the setting may be made according to actual circumstances.
In step S306, the compressor operates for a first preset time according to the determined operating frequency to achieve a stable operating state. Step S308, the micropore sliding plate is controlled to be closed after the running frequency is reduced for the second preset time, the phenomenon that condensed water and even frost are generated due to excessive cold energy generated inside is avoided, and the air supply control method is more reasonable. It should be noted that, since the ambient temperature changes with the air supplied by the air conditioner, the operating frequency of the compressor determined by the ambient temperature also changes. That is, the compressor is operated at the determined operating frequency for a first preset time period, and in the first preset time period, the operating frequency of the compressor may be changed but is directly determined by the ambient temperature. In a specific embodiment, the first preset time period may be 10 minutes. The specific values of the first preset time period are only exemplary and are not limiting to the invention.
The step of controlling the operating frequency of the compressor to be lowered in step S308 may include: multiplying the running frequency of the compressor determined according to the ambient temperature by a preset coefficient to obtain a reduced running frequency, wherein the preset coefficient is less than 1; and driving the compressor to operate at the reduced operating frequency. It should be noted that, since the operation frequency refers to the number of times of repetition of periodic variation per second, the operation frequency needs to be an integer. When a numerical value obtained by multiplying the operating frequency of the compressor determined according to the ambient temperature by a preset coefficient is an integer, the integer can be directly used as the reduced operating frequency; when the value obtained by multiplying the operating frequency of the compressor determined according to the ambient temperature by the preset coefficient is a decimal, the integral of the decimal can be taken as the reduced operating frequency. For example, when the air conditioner operates in a cooling mode and the detected ambient temperature T is within a range of T ≦ 16 ℃, it is determined that the operating frequency of the compressor is 32Hz, the preset coefficient is 0.8, and the operating frequency of the compressor after the operation frequency of 32Hz is multiplied by the preset coefficient of 0.8 is 25.6, and then the reduced operating frequency may be 25.6 with an integer of 25 Hz.
The set temperature of the air conditioner can be determined according to the air supply instruction in the step S302; and before controlling the operating frequency of the compressor to be decreased in step S308, the method may further include: judging whether the difference value between the environment temperature and the set temperature is less than a third preset temperature or not; and if so, executing the step of controlling the running frequency of the compressor to be reduced. And when the difference value between the environment temperature and the set temperature is greater than or equal to a third preset temperature, the compressor continues to operate according to the determined operation frequency until the difference value between the environment temperature and the set temperature is less than the third preset temperature. In a specific embodiment, the third preset temperature may be set to 0.5 ℃. The specific values of the third preset temperature are only exemplary and are not intended to limit the present invention.
In addition, after the air supply instruction of the user is obtained in the step S302, the rotation speed of the fan of the air conditioner can be determined according to the air supply instruction; and driving the fan to operate according to the determined rotating speed. For example, a user selects high wind, and the fan can operate at high speed; the user selects the wind stroke, and the fan can run at a medium speed; the user selects low wind, and the fan can run at low speed. The specific values of the high speed, the medium speed and the low speed can be set according to actual conditions, but in any case, the high speed is greater than the medium speed and is greater than the low speed.
And after the running frequency of the compressor is reduced for a third preset time, controlling the rotating speed of the fan to be reduced, and resetting the transverse swing blade and the vertical swing blade, wherein the third preset time is shorter than the second preset time. That is to say, after the operating frequency of the compressor is reduced, the rotating speed of the fan is controlled to be reduced, the transverse swing blades and the vertical swing blades are reset, and then the micropore sliding plate is controlled to be closed. The reduction of the speed of the fan is combined with the reduction of the frequency of the compressor, so that the phenomenon that excessive cold energy is generated to cause condensed water and even frost is further avoided. And the transverse swing blade and the vertical swing blade are reset firstly, and the micropore sliding plate is closed again, so that the interference of the transverse swing blade, the vertical swing blade and the micropore sliding plate is avoided, and the working reliability of the air conditioner is improved. In a specific embodiment, the second preset time period may be 150 seconds, and the third preset time period may be 120 seconds. The specific values of the second preset time period and the third preset time period are only exemplary and are not limiting.
The operation mode of the air conditioner can be further determined according to the air supply command in step S302, wherein the operation mode includes a cooling mode and a heating mode. When the air conditioner runs in the cooling mode, the method further comprises the following steps after the step of controlling the running frequency of the compressor to be reduced: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is lower than a first preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again, and realizing the anti-freezing protection. When the air conditioner runs in the heating mode, the method further comprises the following steps after the step of controlling the running frequency of the compressor to be reduced: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is greater than a second preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again, thereby realizing overload protection. The running frequency of the compressor is reduced according to actual conditions, so that the energy consumption and noise of the air conditioner are reduced, and the overall working reliability of the air conditioner can be further ensured. In one specific embodiment, the first predetermined temperature may be 1 ℃ and the second predetermined temperature may be 52 ℃. The specific values of the first preset temperature and the second preset temperature are only exemplary and are not intended to limit the present invention.
According to the air supply control method of the air conditioner, the compressor runs for the first preset time according to the determined running frequency to achieve a stable working state, then the running frequency is reduced for the second preset time, the micropore sliding plate is controlled to be closed, the phenomenon that condensed water or even frosting is caused by excessive cold energy generated inside is avoided, and the air supply control method is more reasonable. The air outlet is mild and not rapid through the micropore sliding plate, the slow permeation effect is achieved, the micropore air supply can realize air supply cool but not cold or hot but not dry, and the comfort level of a user is greatly improved.
In some optional embodiments, the air conditioner may achieve a higher technical effect by further optimizing and configuring the above steps, and the following describes in detail the air supply control method of the air conditioner of this embodiment in combination with a description of an optional execution flow of this embodiment, where this embodiment is merely an illustration of the execution flow, and in a specific implementation, an execution sequence and an operation condition of a part of steps may be modified according to specific implementation requirements. Fig. 4 is a detailed flowchart of a blowing control method of an air conditioner according to an embodiment of the present invention, the blowing control method of the air conditioner including the steps of:
step S402, acquiring an air supply instruction of a user, and determining the swing directions of the transverse swing blades and the vertical swing blades, the fan rotating speed of the air conditioner and the set temperature according to the air supply instruction;
step S404, controlling the micropore sliding plate to be opened, enabling the transverse swing blade and the vertical swing blade to act according to the determined swing direction, and enabling the fan to operate according to the determined rotating speed;
step S406, detecting the ambient temperature of the space where the air conditioner is located, and determining the operating frequency of a compressor of the air conditioner according to the ambient temperature;
step S408, driving the compressor to operate for a first preset time according to the determined operation frequency;
step S410, determining whether a difference between the ambient temperature and the set temperature is less than a third preset temperature, if so, performing step S414, and if not, performing step S412;
step S412, the compressor continues to operate according to the determined operation frequency until the difference between the environment temperature and the set temperature is less than a third preset temperature;
step S414, controlling the running frequency of the compressor to be reduced;
step S416, after the running frequency of the compressor is reduced for a third preset time, the rotating speed of the fan is controlled to be reduced, and the transverse swing blades and the vertical swing blades are reset;
and step S418, controlling the micropore sliding plate to be closed after the running frequency of the compressor is reduced for a second preset time, so that the air conditioner supplies air through the micropores.
In the above step, the determination of the swing directions of the horizontal swing blades and the vertical swing blades according to the air supply instruction in step S402 may specifically be: the wind is swung left and right or up and down. If the wind swings left and right, the vertical swing blade moves left and right; if the wind is swinging up and down, the transverse swinging blade moves up and down. The determination of the fan rotation speed of the air conditioner according to the air supply instruction may specifically be: high speed, medium speed or low speed. Specifically, the user selects high wind, and the fan can run at high speed; the user selects the wind stroke, and the fan can run at a medium speed; the user selects low wind, and the fan can run at low speed. The specific values of the high speed, the medium speed and the low speed can be set according to actual conditions, but in any case, the high speed is greater than the medium speed and is greater than the low speed.
In step S404, the micropore sliding plate is controlled to be opened, and then the horizontal swing blade and the vertical swing blade are made to move according to the determined swing direction, so that the micropore sliding plate can be prevented from interfering with the horizontal swing blade or the vertical swing blade, the horizontal swing blade or the vertical swing blade can be guaranteed to swing normally, and the working reliability of the air conditioner is improved.
The specific process of determining the operating frequency of the compressor of the air conditioner according to the ambient temperature in step S406 may be as follows: an information look-up table may be pre-stored with operating frequencies of the compressor corresponding to different ambient temperatures. After the ambient temperature is detected, the operating frequency of the compressor corresponding to the ambient temperature can be inquired according to the information lookup table. It should be noted that the information lookup table of the air conditioner operating in the cooling mode and the heating mode is different. Whether the air conditioner is operated in the cooling mode or the heating mode may also be determined by the user' S blowing instruction acquired in step S402.
In one specific embodiment, when the air conditioner is operated in the cooling mode, the different ambient temperatures T may be divided into the following ranges: t is less than or equal to 16 ℃, T is less than or equal to 22 ℃, T is less than or equal to 29 ℃ and T is more than 32 ℃, and the operating frequencies of the compressors corresponding to different environmental temperatures T can be set as follows: 32Hz, 45Hz, 50Hz, 63Hz, 75 Hz. That is, when the air conditioner operates in a refrigeration mode and the detected ambient temperature T is within the range of T being less than or equal to 16 ℃, determining the operating frequency of the compressor to be 32 Hz; when the detected ambient temperature T is within the range of 16 ℃ and less than or equal to 22 ℃, determining the operating frequency of the compressor to be 45 Hz; when the detected ambient temperature T is in the range of 22 ℃ and less than or equal to 29 ℃, determining the running frequency of the compressor to be 50 Hz; when the detected ambient temperature T is within the range of 29 ℃ and less than or equal to 32 ℃, determining the running frequency of the compressor to be 63 Hz; and when the detected ambient temperature T is in the range of T > 32 ℃, determining the running frequency of the compressor to be 75 Hz. It should be noted that the ranges of the different environmental temperatures T and the specific values of the operating frequencies of the corresponding compressors are only examples, and are not intended to limit the present invention. However, when the air conditioner is operated in the cooling mode, generally, the higher the ambient temperature, the higher the operating frequency of the corresponding compressor, and the setting may be made according to actual conditions.
When the air conditioner is operated in the heating mode, the different ambient temperatures T can be divided into the following ranges: t is less than or equal to-5 ℃, T is less than or equal to-5 ℃ and less than or equal to 0 ℃, T is less than or equal to 0 ℃ and less than or equal to 5 ℃, T is less than or equal to 5 ℃ and less than or equal to 10 ℃, T is less than or equal to 16 ℃ and less than or equal to 22 ℃, T is greater than 22 ℃, and the operating frequencies of the compressors corresponding to different environmental temperatures T can be set as follows: 83Hz, 76Hz, 70Hz, 68Hz, 60Hz, 50Hz, 42 Hz. That is, when the air conditioner operates in a heating mode and the detected ambient temperature T is within the range of T less than or equal to minus 5 ℃, determining the operating frequency of the compressor to be 83 Hz; when the detected ambient temperature T is in the range of-5 ℃ and less than or equal to 0 ℃, determining the running frequency of the compressor to be 76 Hz; when the detected ambient temperature T is within the range of 0 ℃ and less than or equal to 5 ℃, determining the running frequency of the compressor to be 70 Hz; when the detected ambient temperature T is in the range of 5 ℃ and less than or equal to 10 ℃, determining the running frequency of the compressor to be 68 Hz; when the detected ambient temperature T is within the range of 10 ℃ and less than or equal to 16 ℃, determining the running frequency of the compressor to be 60 Hz; when the detected ambient temperature T is within the range of 16 ℃ and less than or equal to 22 ℃, determining the running frequency of the compressor to be 50 Hz; when the detected ambient temperature T is in the range of T > 22 ℃, the operation frequency of the compressor is determined to be 42 Hz. It should be noted that the ranges of the different environmental temperatures T and the specific values of the operating frequencies of the corresponding compressors are only examples, and are not intended to limit the present invention. However, when the air conditioner is operated in the heating mode, generally, the lower the ambient temperature is, the higher the operating frequency of the corresponding compressor is, and the setting may be made according to actual circumstances.
In step S408, the compressor operates for a first preset time according to the determined operating frequency to achieve a stable operating state. It should be noted that, since the ambient temperature changes with the air supplied by the air conditioner, the operating frequency of the compressor determined by the ambient temperature also changes. That is, the compressor is operated at the determined operating frequency for a first preset time period, and in the first preset time period, the operating frequency of the compressor may be changed but is directly determined by the ambient temperature. In a specific embodiment, the first preset time period may be 10 minutes. The specific values of the first preset time period are only exemplary and are not limiting to the invention.
In step S410, it is determined whether a difference between the ambient temperature and the set temperature is less than a third preset temperature, if so, step S414 is performed to control the operating frequency of the compressor to decrease; if not, executing step S412, and continuing to operate the compressor according to the determined operation frequency until the difference between the ambient temperature and the set temperature is less than the third preset temperature. When the difference value between the ambient temperature and the set temperature is greater than or equal to a third preset temperature, the operation frequency of the compressor is not reduced temporarily, and the condition that the refrigerating/heating requirements of a user cannot be met is avoided; when the difference value between the ambient temperature and the set temperature is less than a third preset temperature, the running frequency of the compressor is immediately controlled to be reduced, so that the microporous sliding plate is closed later, and the refrigerating/heating requirements and the comfort requirements of users can be considered. In a specific embodiment, the third preset temperature may be set to 0.5 ℃. The specific values of the third preset temperature are only exemplary and are not intended to limit the present invention.
The step of controlling the operating frequency of the compressor to be decreased in step S414 may include: multiplying the running frequency of the compressor determined according to the ambient temperature by a preset coefficient to obtain a reduced running frequency, wherein the preset coefficient is less than 1; and driving the compressor to operate at the reduced operating frequency. It should be noted that, since the operation frequency refers to the number of times of repetition of periodic variation per second, the operation frequency needs to be an integer. When a numerical value obtained by multiplying the operating frequency of the compressor determined according to the ambient temperature by a preset coefficient is an integer, the integer can be directly used as the reduced operating frequency; when the value obtained by multiplying the operating frequency of the compressor determined according to the ambient temperature by the preset coefficient is a decimal, the integral of the decimal can be taken as the reduced operating frequency. For example, when the air conditioner operates in a cooling mode and the detected ambient temperature T is within a range of T ≦ 16 ℃, it is determined that the operating frequency of the compressor is 32Hz, the preset coefficient is 0.8, and the operating frequency of the compressor after the operation frequency of 32Hz is multiplied by the preset coefficient of 0.8 is 25.6, and then the reduced operating frequency may be 25.6 with an integer of 25 Hz.
The third preset time period in the step S416 is shorter than the second preset time period in the step S418, that is, after the operating frequency of the compressor is reduced, the rotation speed of the fan is controlled to be reduced, the horizontal swing vane and the vertical swing vane are reset, and then the micropore sliding plate is controlled to be closed. The reduction of the speed of the fan is combined with the reduction of the frequency of the compressor, so that the phenomenon that excessive cold energy is generated to cause condensed water and even frost can be avoided. And the transverse swing blade and the vertical swing blade are reset firstly, and the micropore sliding plate is closed again, so that the phenomenon that the transverse swing blade, the vertical swing blade and the micropore sliding plate interfere with each other to influence the normal closing of the micropore sliding plate is avoided, and the working reliability of the air conditioner is improved. In a specific embodiment, the second preset time period may be 150 seconds, and the third preset time period may be 120 seconds. The specific values of the second preset time period and the third preset time period are only exemplary and are not limiting.
The operation mode of the air conditioner can be further determined according to the air supply command in step S402, wherein the operation mode includes a cooling mode and a heating mode. When the air conditioner is operated in the cooling mode, the step of controlling the operating frequency of the compressor to be decreased at step S414 is followed by the steps of: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is lower than a first preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again, and realizing the anti-freezing protection. When the air conditioner is operated in the heating mode, the step of controlling the operating frequency of the compressor to be decreased at step S414 is followed by the steps of: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is greater than a second preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again, thereby realizing overload protection. The running frequency of the compressor is reduced according to actual conditions, so that the energy consumption and noise of the air conditioner are reduced, and the overall working reliability of the air conditioner can be further ensured. In one specific embodiment, the first predetermined temperature may be 1 ℃ and the second predetermined temperature may be 52 ℃. The specific values of the first preset temperature and the second preset temperature are only exemplary and are not intended to limit the present invention.
Wherein the process of controlling the operation frequency of the compressor to be decreased again may be similar to the aforementioned process of decreasing the operation frequency of the compressor. The reduced operating frequency is multiplied by another preset coefficient to obtain a reduced operating frequency of the compressor again. For example, when the air conditioner operates in the cooling mode and the detected ambient temperature T is within the range of T ≦ 16 ℃, it is determined that the operating frequency of the compressor is 32Hz and the preset coefficient is 0.8, and then the operating frequency reduced in step S414 may be an integer obtained by multiplying 32Hz by 0.8: 25 Hz. If another predetermined factor is 0.7, the operating frequency of the compressor decreased again may be an integer of the product of 25Hz and 0.7: 17 Hz. It should be noted that, the air conditioner operates in the cooling mode and the heating mode, and the preset coefficients to be multiplied may be different when the operating frequency of the compressor is decreased again.
According to the air supply control method of the air conditioner, the compressor runs for the first preset time according to the determined running frequency to achieve a stable working state, then the running frequency is reduced for the second preset time, the micropore sliding plate is controlled to be closed, the phenomenon that condensed water or even frosting is caused by excessive cold energy generated inside is avoided, and the air supply control method is more reasonable. The air outlet is mild and not rapid through the micropore sliding plate, the slow permeation effect is achieved, the micropore air supply can realize air supply cool but not cold or hot but not dry, and the comfort level of a user is greatly improved.
Further, the air supply control method of the air conditioner of the embodiment further includes, after the step of obtaining the air supply instruction of the user: determining the fan rotating speed of the air conditioner according to the air supply instruction; and driving the fan to operate according to the determined rotating speed. And after the running frequency of the compressor is reduced for a third preset time, controlling the rotating speed of the fan to be reduced, and resetting the transverse swing blade and the vertical swing blade, wherein the third preset time is shorter than the second preset time. The reduction of the speed of the fan is combined with the reduction of the frequency of the compressor, so that the phenomenon that excessive cold energy is generated to cause condensed water and even frost is further avoided. The transverse swing blade and the vertical swing blade are reset at first, and then the micropore sliding plate is controlled to be closed, so that the transverse swing blade, the vertical swing blade and the micropore sliding plate are prevented from interfering, and the working reliability of the air conditioner is improved.
Further, the method for controlling air supply of an air conditioner according to this embodiment further includes, after the step of controlling the operating frequency of the compressor to decrease when the air conditioner is operating in the cooling mode: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is lower than a first preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again, and realizing the anti-freezing protection. When the air conditioner runs in the heating mode, the method further comprises the following steps after the step of controlling the running frequency of the compressor to be reduced: detecting the temperature of a coil pipe of the air conditioner; judging whether the temperature of the coil pipe is greater than a second preset temperature or not; and if so, controlling the running frequency of the compressor to be reduced again, realizing overload protection, reducing the energy consumption and noise of the air conditioner and further ensuring the overall working reliability of the air conditioner.
The present embodiment also provides a computer storage medium 200, and fig. 5 is a schematic diagram of the computer storage medium 200 according to an embodiment of the present invention, the computer storage medium 200 stores a computer program 201, and the computer program 201 runs to cause a device in which the computer storage medium 200 is located to execute the air supply control method of the air conditioner according to any one of the above embodiments. The air conditioner 100 is the device where the computer storage medium 200 is located, and the air conditioner 100 may execute the air supply control method of the air conditioner according to any of the embodiments.
The computer storage medium 200 of the present embodiment may be an electronic memory such as a flash memory, an EEPROM (electrically erasable and programmable read only memory), an EPROM, a hard disk, or a ROM. The computer storage medium 200 has a storage space for a computer program 201 for performing any of the method steps of the above-described method. These computer programs 201 may be read from or written to one or more computer program products. These computer program products comprise a program code carrier such as a hard disk, a Compact Disc (CD), a memory card or a floppy disk. The steps of the method described above may be performed when the computer program 201 is run by a device of the computer storage medium 200.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (8)
1. An air supply control method of an air conditioner is characterized in that a transverse swing blade, a vertical swing blade and a micropore sliding plate are sequentially arranged at an air outlet of the air conditioner from inside to outside, a plurality of micropores are formed in the micropore sliding plate, and the air supply control method of the air conditioner comprises the following steps:
acquiring an air supply instruction of a user, determining the swinging directions of the transverse swing blades and the vertical swing blades according to the air supply instruction, and determining the rotating speed of a fan of the air conditioner according to the air supply instruction;
controlling the micropore sliding plate to be opened, and driving the fan to operate according to the determined rotating speed by the transverse swing blade and the vertical swing blade to act according to the determined swing direction;
detecting the ambient temperature of the space where the air conditioner is located, determining the operating frequency of a compressor of the air conditioner according to the ambient temperature, and driving the compressor to operate for a first preset time according to the determined operating frequency; and
controlling the running frequency of the compressor to be reduced, and controlling the micropore sliding plate to be closed after the running frequency of the compressor is reduced for a second preset time so that the air conditioner supplies air through the micropores,
and after the running frequency of the compressor is reduced for a third preset time, controlling the rotating speed of the fan to be reduced, and resetting the transverse swing blade and the vertical swing blade, wherein the third preset time is shorter than the second preset time.
2. The air supply control method of the air conditioner according to claim 1, further comprising, after the step of obtaining the air supply instruction of the user:
and determining the working mode of the air conditioner according to the air supply instruction, wherein the working mode comprises a cooling mode and a heating mode.
3. The air supply control method of the air conditioner according to claim 2, further comprising, after the step of controlling the operating frequency of the compressor to be lowered while the air conditioner is operating in the cooling mode:
detecting the temperature of a coil of the air conditioner;
judging whether the temperature of the coil pipe is lower than a first preset temperature or not; and
and if so, controlling the running frequency of the compressor to be reduced again.
4. The air supply control method of an air conditioner according to claim 2, further comprising, after the step of controlling the operating frequency of the compressor to be lowered while the air conditioner is operating in the heating mode:
detecting the temperature of a coil of the air conditioner;
judging whether the temperature of the coil pipe is greater than a second preset temperature or not; and
and if so, controlling the running frequency of the compressor to be reduced again.
5. The air supply control method of the air conditioner according to claim 1, wherein the step of controlling the operation frequency of the compressor to be lowered includes:
multiplying the running frequency of the compressor determined according to the environment temperature by a preset coefficient to obtain a reduced running frequency, wherein the preset coefficient is less than 1; and
and driving the compressor to operate according to the reduced operating frequency.
6. The air supply control method of an air conditioner according to claim 1,
the method also comprises the following steps after the step of obtaining the air supply instruction of the user: determining the set temperature of the air conditioner according to the air supply instruction; and is
Before the step of controlling the reduction of the operating frequency of the compressor, the method further comprises the following steps: judging whether the difference value between the environment temperature and the set temperature is smaller than a third preset temperature or not; and if so, executing the step of controlling the running frequency of the compressor to be reduced.
7. The air supply control method of an air conditioner according to claim 6,
and when the difference value between the environment temperature and the set temperature is greater than or equal to the third preset temperature, the compressor continues to operate according to the determined operation frequency until the difference value between the environment temperature and the set temperature is less than the third preset temperature.
8. A computer storage medium in which a computer program is stored, and which when executed causes an apparatus of the computer storage medium to execute the air supply control method of the air conditioner according to any one of claims 1 to 7.
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| CN201711385376.9A CN108278760B (en) | 2017-12-20 | 2017-12-20 | Air supply control method of air conditioner and computer storage medium |
| PCT/CN2018/120117 WO2019120097A1 (en) | 2017-12-20 | 2018-12-10 | Air supply control method for air conditioner and computer storage medium |
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| CN201711385376.9A CN108278760B (en) | 2017-12-20 | 2017-12-20 | Air supply control method of air conditioner and computer storage medium |
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| CN108278760B (en) * | 2017-12-20 | 2020-02-04 | 青岛海尔空调器有限总公司 | Air supply control method of air conditioner and computer storage medium |
| CN110878967B (en) * | 2018-08-22 | 2023-12-22 | 青岛海尔空调器有限总公司 | Air conditioner with reverse air guiding structure and air outlet control method thereof |
| CN109297159B (en) * | 2018-10-15 | 2021-06-04 | 南宁学院 | Multi-wind-direction accurate temperature control air conditioner control method |
| CN109612041B (en) * | 2018-12-11 | 2021-02-26 | 广东美的制冷设备有限公司 | Control method and device of air conditioner, air conditioner and storage medium |
| CN109612040B (en) * | 2018-12-11 | 2021-02-26 | 广东美的制冷设备有限公司 | Control method and device of air conditioner, air conditioner and storage medium |
| CN109780689B (en) * | 2019-01-31 | 2021-12-14 | 美的集团武汉暖通设备有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
| CN110736140B (en) * | 2019-10-10 | 2022-01-21 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit and control method of air conditioner |
| CN111059714B (en) * | 2019-12-31 | 2021-09-28 | Tcl空调器(中山)有限公司 | Air conditioner blade control method and system, air conditioner and storage medium |
| CN111237994A (en) * | 2020-01-16 | 2020-06-05 | 青岛海尔空调器有限总公司 | Control method of air conditioner and air conditioner |
| CN111237992A (en) * | 2020-01-16 | 2020-06-05 | 青岛海尔空调器有限总公司 | Control method of air conditioner and air conditioner |
| CN111237996A (en) * | 2020-01-16 | 2020-06-05 | 青岛海尔空调器有限总公司 | Control method of air conditioner and air conditioner |
| CN111237993A (en) * | 2020-01-16 | 2020-06-05 | 青岛海尔空调器有限总公司 | Control method of air conditioner and air conditioner |
| CN113251615A (en) * | 2021-05-11 | 2021-08-13 | 青岛海尔空调器有限总公司 | Air supply control method and device of air conditioner and air conditioner |
| CN113432236B (en) * | 2021-06-30 | 2023-03-31 | 海信（广东）空调有限公司 | Method of controlling air conditioner, and computer-readable storage medium |
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| JP3266018B2 (en) * | 1996-12-10 | 2002-03-18 | 鹿島建設株式会社 | Flow plate with electromagnetic shielding performance |
| JP4926090B2 (en) * | 2007-04-25 | 2012-05-09 | 三菱電機株式会社 | Air conditioner |
| JP2009092337A (en) * | 2007-10-11 | 2009-04-30 | Panasonic Corp | Air conditioner |
| CN105571084A (en) * | 2016-02-29 | 2016-05-11 | 广东美的制冷设备有限公司 | Water blowing prevention control method for air conditioner and air conditioner |
| CN206073280U (en) * | 2016-08-31 | 2017-04-05 | 芜湖美智空调设备有限公司 | A kind of floor air conditioner indoor machine |
| CN106839352B (en) * | 2017-01-24 | 2018-12-18 | 珠海格力电器股份有限公司 | A kind of air-conditioner control system and its control method |
| CN206669884U (en) * | 2017-03-09 | 2017-11-24 | 青岛海尔空调器有限总公司 | Vertical air-conditioner indoor unit |
| CN107084482B (en) * | 2017-04-13 | 2020-04-24 | 青岛海尔空调器有限总公司 | Air conditioner indoor wall hanging machine and control method thereof |
| CN107166515B (en) * | 2017-04-13 | 2020-11-03 | 青岛海尔空调器有限总公司 | Air conditioner indoor wall hanging machine and control method thereof |
| CN107477671B (en) * | 2017-07-31 | 2020-09-11 | 广东美的制冷设备有限公司 | Cabinet air conditioner and control method thereof |
| CN108278760B (en) * | 2017-12-20 | 2020-02-04 | 青岛海尔空调器有限总公司 | Air supply control method of air conditioner and computer storage medium |
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Effective date of registration: 20201102 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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