CN111076392A - Air duct self-cleaning device suitable for air conditioner indoor unit and air conditioner indoor unit - Google Patents
Air duct self-cleaning device suitable for air conditioner indoor unit and air conditioner indoor unit Download PDFInfo
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- CN111076392A CN111076392A CN201911342844.3A CN201911342844A CN111076392A CN 111076392 A CN111076392 A CN 111076392A CN 201911342844 A CN201911342844 A CN 201911342844A CN 111076392 A CN111076392 A CN 111076392A
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- Prior art keywords
- water
- cleaning
- air conditioner
- conditioner indoor
- indoor unit
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/228—Treatment of condensate, e.g. sterilising
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
- F24F2221/225—Cleaning ducts or apparatus using a liquid
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention provides an air duct self-cleaning device suitable for an air conditioner indoor unit and the air conditioner indoor unit, relates to the technical field of air conditioners and solves the technical problem that a large amount of condensed water generated by an air conditioner in the prior art is not collected and utilized and is easy to cause waste. The air duct self-cleaning device suitable for the air conditioner indoor unit comprises a cleaning liquid collecting unit, a cleaning unit and a discharge pipeline, wherein the cleaning unit is fixedly arranged in the air conditioner indoor unit and is arranged close to a wind wheel, the cleaning liquid collecting unit is communicated with the cleaning unit, and the discharge pipeline is communicated with the cleaning liquid collecting unit, wherein the cleaning liquid collecting unit can collect condensed water generated by a heat exchanger to provide cleaning liquid for the cleaning unit to realize self cleaning.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air duct self-cleaning device suitable for an air conditioner indoor unit and the air conditioner indoor unit.
Background
Air conditioners have played an increasingly important role in modern life, and people have been kept away from air conditioners in hot summer or cold winter. The existing air conditioner can generate a large amount of condensed water in the refrigeration process, and the condensed water is usually directly discharged to the outside, so that the condensed water is not collected and utilized, and waste is easily caused; an air duct cleaning device has appeared in the existing air conditioner, and the device is added with cleaning liquid independently, so that the cleaning water consumption is large; the air channel cleaning device sprays cleaning liquid to clean the air channel through the spray head, and water is easy to splash everywhere in the process and flow into the electrical element easily, so that the electrical element is failed, and even safety accidents are caused; meanwhile, the air passes through the evaporator and then reaches the air duct, cold air is arranged in the air duct, condensed water is easily generated on the outer surface of the air duct, and the condensed water can easily flow into an electrical element to cause safety accidents.
Disclosure of Invention
The invention aims to provide an air duct self-cleaning device suitable for an air conditioner indoor unit and the air conditioner indoor unit, and aims to solve the technical problem that a large amount of condensed water generated by an air conditioner in the prior art is not collected and utilized and is easy to cause waste.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides an air duct self-cleaning device suitable for an air conditioner indoor unit, which comprises a cleaning liquid collecting unit, a cleaning unit and a discharge pipeline, wherein the cleaning liquid collecting unit, the cleaning unit and the discharge pipeline are fixedly arranged in the air conditioner indoor unit; wherein,
the cleaning unit is arranged close to the wind wheel and can clean the wind wheel and an air duct communicated with the wind wheel;
the cleaning liquid collecting unit is communicated with the cleaning unit, can collect condensed water generated by the heat exchanger to provide cleaning liquid for the cleaning unit to realize self cleaning, and can collect sewage generated after cleaning;
the discharge pipeline is communicated with the cleaning liquid collecting unit and can discharge sewage out of the air conditioner indoor unit.
Optionally, the cleaning liquid collecting unit comprises a condensed water collecting assembly and a sewage collecting assembly; wherein,
the condensed water collecting assembly is arranged below the heat exchanger to collect condensed water;
the sewage collecting assembly is arranged at the downstream of the lower air channel and communicated with the discharge pipeline to collect and discharge sewage after cleaning the air channel.
Optionally, the condensed water collection assembly comprises a first water pan and a water tank, the first water pan is located below the heat exchanger, the first water pan is communicated with the water tank through a flow guide structure, and condensed water collected by the first water pan can flow into the water tank.
Optionally, the flow guiding structure is a flow guiding pipe.
Optionally, the shape of the first water pan is matched with the shape of the lower part of the heat exchanger, and the first water pan is at least sized to cover the lower end part of the heat exchanger.
Optionally, be provided with the filter layer in the water tank, the filter layer will the water tank divides into sewage chamber and clean water chamber, first water collector with sewage chamber intercommunication.
Optionally, the condensed water collection assembly further comprises a second water pan, the second water pan is disposed below the first water pan, and the second water pan is also communicated with the discharge pipeline.
Optionally, the water tank is disposed on the second water pan, and a drainage device is disposed on the water tank, through which water in the water tank can be drained into the second water pan.
Optionally, the sewage collecting assembly is a third water pan, and the third water pan is communicated with the discharge pipeline through a pipeline.
Optionally, the cleaning unit comprises a driving assembly and a nozzle, and the cleaning liquid collecting unit, the driving assembly and the nozzle are sequentially communicated through a water pipe.
An air conditioner indoor unit comprises the air duct self-cleaning device suitable for the air conditioner indoor unit.
The invention provides an air duct self-cleaning device suitable for an air conditioner indoor unit, which comprises a cleaning liquid collecting unit, a cleaning unit and a discharge pipeline, wherein the cleaning liquid collecting unit, the cleaning unit and the discharge pipeline are fixedly arranged in the air conditioner indoor unit, the cleaning unit is arranged close to a wind wheel, the cleaning liquid collecting unit is communicated with the cleaning unit, and the discharge pipeline is communicated with the cleaning liquid collecting unit, wherein the cleaning liquid collecting unit can collect condensed water generated by a heat exchanger to provide cleaning liquid for the cleaning unit to realize self-cleaning.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a self-cleaning device for an air duct of an air conditioner indoor unit according to the present invention;
FIG. 2 is a schematic structural view of a lower air duct portion of a duct self-cleaning device for an air conditioner indoor unit;
FIG. 3 is a top view of the first drip pan and the water tank;
FIG. 4 is a schematic view of a flow guide structure;
fig. 5 is a structural schematic view of the second water receiving plate part.
In the figure 1, a wind wheel; 2. an air duct; 3. a sewage collection assembly; 4. a discharge line; 5. a heat exchanger; 6. a first water pan; 7. a water tank; 8. a flow guide pipe; 9. a filter layer; 10. a sewage chamber; 11. a water purifying cavity; 12. a second water pan; 13. a drainage device; 14. a cleaning unit; 15. and a water outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention provides an air duct self-cleaning device suitable for an air conditioner indoor unit, which comprises a cleaning liquid collecting unit, a cleaning unit 14 and a discharge pipeline 4, wherein the cleaning liquid collecting unit, the cleaning unit 14 and the discharge pipeline are fixedly arranged in the air conditioner indoor unit as shown in figure 1; the cleaning unit 14 is arranged close to the wind wheel 1, the wind wheel 1 can be cleaned, condensed water flowing down from the cleaning wind wheel 1 can flow into the air duct 2 communicated with the wind wheel 1, the air duct 2 is cleaned, dust in the air duct 2 is prevented from breeding bacteria to generate moldy peculiar smell, and the health of consumers is guaranteed;
the cleaning liquid collecting unit is communicated with the cleaning unit 14, can collect condensed water generated by the heat exchanger 5 to provide cleaning liquid for the cleaning unit 14 to realize self cleaning, realizes utilization of the condensed water, avoids waste of a large amount of condensed water, can collect sewage generated after cleaning and water splashed when the wind wheel 1 is cleaned, and prevents water from entering electrical elements of the air conditioner to cause safety accidents;
meanwhile, the discharge pipeline 4 is communicated with the cleaning liquid collecting unit, sewage naturally flows into the discharge pipeline 4 by utilizing the gravity of water and is discharged out of the air conditioner internal unit, the function of finally discharging the sewage in the self-cleaning of the air conditioner air duct 2 is realized, and the practicability of the device is ensured.
As an alternative embodiment, the cleaning liquid collecting unit comprises a condensed water collecting assembly and a sewage collecting assembly 3; wherein the condensed water collecting assembly is disposed under the heat exchanger 5 to collect condensed water and concentrate the condensed water so as to provide a cleaning liquid for the cleaning unit 14; the sewage collecting assembly 3 is arranged at the downstream of the lower air duct 2, can collect condensed water which is used for cleaning the wind wheel 1 and flows into the air duct 2 to clean the air duct 2, is communicated with the discharge pipeline 4, and can discharge the collected condensed water which is used for cleaning the air duct 2 through the discharge pipeline 4;
preferably, as shown in fig. 2, a water outlet 15 is provided at the lower part of the air duct 2, the water outlet 15 is opposite to the position of the sewage collecting module 3, and the water outlet 15 can directly discharge the sewage into the sewage collecting module 3, which further facilitates the implementation of the present solution.
As an optional implementation manner, as shown in fig. 3, the condensed water collection assembly includes a first water pan 6 and a water tank 7, the first water pan 6 is located below the heat exchanger 5, and the first water pan 6 and the water tank 7 are communicated through a diversion structure, so that the condensed water collected by the first water pan 6 can flow into the water tank 7 through the diversion structure by means of gravity, which is convenient for concentrated utilization of the condensed water.
As an alternative embodiment, as shown in fig. 4, the flow guiding structure is a flow guiding pipe 8.
The flow guide structure is a flow guide pipe 8, one end of the flow guide pipe 8 is communicated with the side edge of the first water pan 6, the other end of the flow guide pipe 8 is communicated with the water tank 7, and condensed water collected by the first water pan 6 can flow into the water tank 7 through the flow guide pipe 8 by means of gravity, so that the collection of the condensed water is completed.
As an optional implementation mode, the shape of the first water pan 6 is matched with the shape of the lower part of the heat exchanger 5, and the first water pan 6 is at least sized to cover the lower side end part of the heat exchanger 5.
According to the invention, the shape of the first water pan 6 is matched with the shape of the lower part of the heat exchanger 5, and the first water pan 6 at least can cover the lower side end part of the heat exchanger 5, so that the structure can ensure that the first water pan 6 can collect the condensed water dropping from the heat exchanger 5 to the maximum extent, and the area of the first water pan 6 is designed to be as small as possible, so that the condensed water collected in the first water pan 6 can not be excessively reserved in the first water pan 6, and the collected condensed water can be collected in the water tank 7 to the maximum extent.
In an alternative embodiment, a filter layer 9 is arranged in the water tank 7, the filter layer 9 divides the water tank 7 into a sewage chamber 10 and a purified water chamber 11, and the first water pan 6 is communicated with the sewage chamber 10.
According to the invention, a filter layer 9 is arranged in the water tank 7, the water tank 7 is divided into a sewage cavity 10 and a purified water cavity 11 by the filter layer 9, and the first water pan 6 is communicated with the sewage cavity 10; the main function of the water tank 7 is to concentrate the collected condensed water to provide cleaning liquid for the cleaning unit 14, and the condensed water collected in the first water pan 6 may have impurities to block the cleaning unit 14, so a filter layer 9 is provided in the water tank 7 to communicate the first water pan 6 with the sewage chamber 10, and the cleaning unit 14 with the clean water chamber 11.
As an optional implementation manner, as shown in fig. 5, the condensed water collection assembly further includes a second water-receiving tray 12, the second water-receiving tray 12 is disposed below the first water-receiving tray 6, and the second water-receiving tray 12 is also communicated with the discharge pipeline 4.
The condensed water collecting assembly further comprises a second water pan 12, the second water pan 12 is arranged below the first water pan 6 and preferably arranged at the middle part of an air conditioner indoor unit, the second water pan 12 can collect condensed water easily generated on the outer surface of the air duct 2 and splashed water generated when the wind wheel 1 is cleaned, and water can be prevented from flowing into an electrical element to cause safety accidents.
In an alternative embodiment, the water tank 7 is disposed on the second water receiving tray 12, and a drainage device 13 is disposed on the water tank 7, so that water in the water tank 7 can be drained into the second water receiving tray 12 through the drainage device 13.
According to the invention, the water tank 7 is arranged on the second water receiving tray 12, the water tank 7 is provided with the drainage device 13, specifically, the drainage device 13 is arranged on one side of the sewage cavity 10, impurities filtered in the sewage can be discharged into the second water receiving tray 12 through the drainage device 13, and the durable use of the water tank 7 can be ensured, specifically, the drainage device 13 comprises a pipeline communicated with the sewage cavity 10, a valve is arranged in a passage of the pipeline, and whether the sewage flows or not can be controlled by controlling the opening and closing of the valve; wherein the drain 13 is normally closed; meanwhile, the second water pan 12 is communicated with the discharge pipeline 4, and impurities discharged from the water tank 7 can be directly discharged out of the air conditioner indoor unit through the discharge pipeline 4.
As an optional implementation manner, the sewage collecting assembly 3 is a third water pan, the third water pan is communicated with the discharge pipeline 4 through a pipeline, and sewage collected by the third water pan and flowing out of the air duct 2 can be discharged out of the indoor unit of the air conditioner through the discharge pipeline 4, so that the reliability of the air conditioner is ensured.
As an optional implementation manner, the cleaning unit 14 includes a driving assembly and a nozzle, and the cleaning solution collecting unit, the driving assembly and the nozzle are sequentially communicated through a water pipe, wherein the nozzle is installed relative to the wind wheel 1 and is used for cleaning the wind wheel 1, and water for cleaning the wind wheel 1 flows into the wind channel 2 to clean the wind channel 2.
An air conditioner indoor unit comprises the air duct self-cleaning device suitable for the air conditioner indoor unit.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (11)
1. The utility model provides an air duct self-cleaning device suitable for air conditioner internal unit which characterized in that: the cleaning device comprises a cleaning liquid collecting unit, a cleaning unit and a discharge pipeline which are fixedly arranged in an air conditioner indoor unit; wherein,
the cleaning unit is arranged close to the wind wheel and can clean the wind wheel and an air duct communicated with the wind wheel;
the cleaning liquid collecting unit is communicated with the cleaning unit, can collect condensed water generated by the heat exchanger to provide cleaning liquid for the cleaning unit to realize self cleaning, and can collect sewage generated after cleaning;
the discharge pipeline is communicated with the cleaning liquid collecting unit and can discharge sewage out of the air conditioner indoor unit.
2. The air duct self-cleaning device for an air conditioner indoor unit according to claim 1, wherein: the cleaning liquid collecting unit comprises a condensed water collecting component and a sewage collecting component; wherein,
the condensed water collecting assembly is arranged below the heat exchanger to collect condensed water;
the sewage collecting assembly is arranged at the downstream of the lower air channel and communicated with the discharge pipeline to collect and discharge sewage after cleaning the air channel.
3. The air duct self-cleaning device for an air conditioner indoor unit according to claim 2, wherein: the condensed water collecting assembly comprises a first water receiving tray and a water tank, the first water receiving tray is located below the heat exchanger, the first water receiving tray is communicated with the water tank through a flow guide structure, and condensed water collected by the first water receiving tray can flow into the water tank.
4. The air duct self-cleaning device for an air conditioner indoor unit according to claim 3, wherein: the flow guide structure is a flow guide pipe.
5. The air duct self-cleaning device for an air conditioner indoor unit according to claim 3, wherein: the shape of the first water pan is matched with the shape of the lower part of the heat exchanger, and the first water pan at least can cover the lower side end part of the heat exchanger.
6. The air duct self-cleaning device for an air conditioner indoor unit according to claim 3, wherein: the water tank is internally provided with a filter layer, the filter layer divides the water tank into a sewage cavity and a purified water cavity, and the first water receiving tray is communicated with the sewage cavity.
7. The air duct self-cleaning device for an air conditioner indoor unit according to any one of claims 3 to 6, wherein: the condensed water collecting assembly further comprises a second water pan, the second water pan is arranged below the first water pan, and the second water pan is also communicated with the discharge pipeline.
8. The air duct self-cleaning device for an air conditioner indoor unit according to claim 7, wherein: the water tank is arranged on the second water receiving tray, a drainage device is arranged on the water tank, and water in the water tank can be discharged into the second water receiving tray through the drainage device.
9. The air duct self-cleaning device for an air conditioner indoor unit according to claim 7, wherein: the sewage collecting assembly is a third water pan which is communicated with the discharge pipeline through a pipeline.
10. The air duct self-cleaning device for an air conditioner indoor unit according to claim 1, wherein: the cleaning unit comprises a driving assembly and a spray head, and the cleaning liquid collecting unit, the driving assembly and the spray head are sequentially communicated through a water pipe.
11. An air conditioner indoor unit is characterized in that: the air duct self-cleaning device suitable for the air conditioner internal unit comprises the air duct self-cleaning device as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911342844.3A CN111076392A (en) | 2019-12-24 | 2019-12-24 | Air duct self-cleaning device suitable for air conditioner indoor unit and air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911342844.3A CN111076392A (en) | 2019-12-24 | 2019-12-24 | Air duct self-cleaning device suitable for air conditioner indoor unit and air conditioner indoor unit |
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| CN111076392A true CN111076392A (en) | 2020-04-28 |
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| CN201911342844.3A Pending CN111076392A (en) | 2019-12-24 | 2019-12-24 | Air duct self-cleaning device suitable for air conditioner indoor unit and air conditioner indoor unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687118A (en) * | 2020-07-17 | 2020-09-22 | 珠海格力电器股份有限公司 | Sterilizing machine |
| CN112916480A (en) * | 2021-01-18 | 2021-06-08 | 阳光电源股份有限公司 | Cleaning method and cleaning assembly for heat dissipation air duct of waterproof charging pile |
| CN113551332A (en) * | 2021-07-01 | 2021-10-26 | 珠海格力电器股份有限公司 | Kitchen air conditioner and control method thereof |
| CN113623757A (en) * | 2020-05-06 | 2021-11-09 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN118293477A (en) * | 2024-05-22 | 2024-07-05 | 广东泓信科技发展股份有限公司 | Air conditioner ventilation opening wind direction adjusting device and adjusting method thereof |
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| CN208382359U (en) * | 2018-04-09 | 2019-01-15 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| CN211551983U (en) * | 2019-12-24 | 2020-09-22 | 珠海格力电器股份有限公司 | Air duct self-cleaning device suitable for air conditioner indoor unit and air conditioner indoor unit |
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2019
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Patent Citations (3)
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| CN107477790A (en) * | 2017-08-23 | 2017-12-15 | 中山市如日新能源科技有限公司 | A kind of air-conditioning automatic flushing device |
| CN208382359U (en) * | 2018-04-09 | 2019-01-15 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| CN211551983U (en) * | 2019-12-24 | 2020-09-22 | 珠海格力电器股份有限公司 | Air duct self-cleaning device suitable for air conditioner indoor unit and air conditioner indoor unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623757A (en) * | 2020-05-06 | 2021-11-09 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN111687118A (en) * | 2020-07-17 | 2020-09-22 | 珠海格力电器股份有限公司 | Sterilizing machine |
| CN112916480A (en) * | 2021-01-18 | 2021-06-08 | 阳光电源股份有限公司 | Cleaning method and cleaning assembly for heat dissipation air duct of waterproof charging pile |
| CN113551332A (en) * | 2021-07-01 | 2021-10-26 | 珠海格力电器股份有限公司 | Kitchen air conditioner and control method thereof |
| CN118293477A (en) * | 2024-05-22 | 2024-07-05 | 广东泓信科技发展股份有限公司 | Air conditioner ventilation opening wind direction adjusting device and adjusting method thereof |
| CN118293477B (en) * | 2024-05-22 | 2024-08-27 | 广东泓信科技发展股份有限公司 | Air conditioner ventilation opening wind direction adjusting device and adjusting method thereof |
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