CN114216206A - Dehumidification control method of air conditioner and air conditioner - Google Patents
Dehumidification control method of air conditioner and air conditioner Download PDFInfo
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- CN114216206A CN114216206A CN202111563930.4A CN202111563930A CN114216206A CN 114216206 A CN114216206 A CN 114216206A CN 202111563930 A CN202111563930 A CN 202111563930A CN 114216206 A CN114216206 A CN 114216206A
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 167
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000013507 mapping Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 description 8
- 238000009833 condensation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of dehumidification, and particularly relates to a dehumidification control method of an air conditioner and the air conditioner, wherein the control method comprises the following steps: responding to a dehumidification control instruction, and judging whether the indoor environment needs dehumidification according to the wind speed difference between the real-time outlet wind speed v1 and the standard wind speed v 2; when the indoor environment is judged to need dehumidification, determining the dehumidification grade according to the wind speed attenuation degree of the real-time wind outlet speed v1 relative to the standard wind speed v 2; and controlling the air conditioner to dehumidify the indoor environment according to the determined dehumidification strategy corresponding to the dehumidification grade. The air conditioner can determine the humidity condition of the indoor environment without a humidity detection instrument, and determines the dehumidification strength according to the determined humidity condition of the indoor environment, so that the manufacturing cost of the air conditioner is reduced, and the dehumidification energy consumption is reduced.
Description
Technical Field
The invention belongs to the field of air conditioners, and particularly relates to a dehumidification control method of an air conditioner and the air conditioner.
Background
The air conditioner is easy to generate condensation when being used in an indoor environment with high humidity, and the performance of the air conditioner is affected when the condensation is generated on the evaporator, so that the environmental humidity value needs to be determined, and then dehumidification is carried out. But the existing air conditioner detects the indoor environment humidity by means of a humidity detection instrument, so that the cost of the air conditioner is improved, but the indoor environment humidity cannot be known under the condition of not using the humidity detection instrument, and the dehumidification effect cannot be controlled according to the indoor environment humidity value.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide the dehumidification control method of the air conditioner and the air conditioner, so that the humidity condition of the indoor environment can be determined without a humidity detection instrument, and the manufacturing cost of the air conditioner is reduced.
In order to solve the technical problem, the invention provides a dehumidification control method of an air conditioner, which comprises the following steps:
responding to a dehumidification control instruction, and judging whether the indoor environment needs dehumidification according to the wind speed difference between the real-time outlet wind speed v1 and the standard wind speed v 2;
when the indoor environment is judged to need dehumidification, determining the dehumidification grade according to the wind speed attenuation degree of the real-time wind outlet speed v1 relative to the standard wind speed v 2;
and controlling the air conditioner to dehumidify the indoor environment according to the determined dehumidification strategy corresponding to the dehumidification grade.
Further optionally, the determining whether the indoor environment needs to be dehumidified according to the wind speed difference between the real-time outlet wind speed v1 and the standard wind speed v2 includes
Acquiring a real-time air outlet speed v1 and a standard wind speed v2 corresponding to a current wind gear;
calculating a wind speed difference delta v which is equal to a standard wind speed v 2-a real-time wind outlet speed v 1;
when the wind speed difference delta v is larger than the set wind speed difference, judging that the current indoor environment needs dehumidification; and when the delta v is less than or equal to the set wind speed difference, judging that the current indoor environment does not need dehumidification.
Further optionally, a mapping relation table of a wind speed difference range and a dehumidification grade is stored in the air conditioner, the mapping relation table includes a plurality of dehumidification grades with sequentially increasing dehumidification intensity and a plurality of wind speed difference ranges with sequentially increasing wind speed difference, and the dehumidification intensity and the wind speed difference in the mapping relation table are in a positive correlation;
when the indoor environment is judged to need dehumidification, the dehumidification grade is determined according to the speed attenuation degree of the real-time outlet wind speed v1 relative to the standard wind speed v2, and the dehumidification grade comprises
Determining the range of the wind speed difference of the current wind speed difference in the mapping relation table according to the mapping relation table;
and determining the dehumidification grade corresponding to the current wind speed difference according to the dehumidification grade corresponding to the wind speed difference range.
Further optionally, the dehumidification strategy comprises: the opening degree of the electronic expansion valve of the indoor unit is increased and/or the running frequency of the compressor is increased.
Further optionally, when the determined dehumidification intensity of the dehumidification grade is a low dehumidification intensity, the dehumidification strategy corresponding to the dehumidification grade is to increase the opening degree of the electronic expansion valve of the indoor unit.
Further optionally, when the determined dehumidification intensity of the dehumidification grade is a medium dehumidification intensity, the dehumidification strategy corresponding to the dehumidification grade is to increase the operation frequency of the compressor.
Further optionally, when the determined dehumidification intensity of the dehumidification grade is high dehumidification intensity, the dehumidification strategy corresponding to the dehumidification grade is to increase the opening of the electronic expansion valve of the indoor unit and increase the operation frequency of the compressor.
The present invention also proposes a control device of an air conditioner, comprising one or more processors and a non-transitory computer-readable storage medium storing program instructions, the one or more processors being configured to implement the method according to any one of the above when the one or more processors execute the program instructions.
The invention also proposes a non-transitory computer-readable storage medium having stored thereon program instructions for implementing a method according to any one of the above when the program instructions are executed by one or more processors.
The invention also provides an air conditioner which adopts the method of any one of the above items or comprises the control device or has the non-transitory computer readable storage medium.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the indoor environment humidity condition is judged to the influence of this embodiment through the heat exchanger condensation to indoor unit wind speed to confirm the dehumidification grade according to the humidity condition, then dehumidify the indoor environment according to the dehumidification strategy that the grade of confirming corresponds, need not to add humidity detection instrument, reduce air conditioner manufacturing cost. Meanwhile, according to different dehumidification strategies under different humidity conditions, the dehumidification efficiency is improved, and the energy consumption is reduced.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1: is a control logic diagram of an embodiment of the present invention.
FIG. 2: a logic diagram for determining a level of dehumidification based on a difference in wind speed for an embodiment of the present invention.
FIG. 3: a logic diagram for determining a dehumidification strategy based on dehumidification levels for an embodiment of the present invention.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "contacting," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present embodiment proposes a dehumidification control method of an air conditioner, as shown in the control logic diagram of fig. 1, the control method includes steps S1-S3, wherein:
s1, responding to a dehumidification control command, and judging whether the indoor environment needs dehumidification according to the wind speed difference between the real-time wind outlet wind speed v1 and the standard wind speed v 2;
s2, when the indoor environment is judged to need dehumidification, determining the dehumidification grade according to the wind speed attenuation degree of the real-time wind outlet speed v1 relative to the standard wind speed v 2;
and S3, controlling the air conditioner to dehumidify the indoor environment according to the determined dehumidification strategy corresponding to the dehumidification grade.
The air conditioner main body of this embodiment includes indoor set and off-premises station, is equipped with compressor, outdoor heat exchanger and outer fan in the off-premises station, is equipped with indoor heat exchanger, interior fan and indoor set valve in the indoor set, and the indoor set still is equipped with the air outlet, and air outlet department is equipped with air velocity transducer, and air velocity transducer is used for detecting the air-out speed of air outlet. The air speed sensor is arranged at the air outlet, the real-time air speed is detected when the inner fan operates, the real-time air speed is fed back to the processing module, the humidity range and the dehumidification grade are determined, and then the corresponding dehumidification action is carried out. The processing module is a submodule added to the control assembly and used for processing the fed-back wind speed information, judging the humidity condition of the indoor environment according to the fed-back wind speed information, determining whether dehumidification is needed or not according to the humidity condition, when the indoor environment is judged to be dehumidified, further determining the dehumidification grade according to the attenuation degree of the wind speed, and then controlling the air conditioner and dehumidifying according to the dehumidification strategy corresponding to the dehumidification grade through the processing module. The standard wind speed v2 of this embodiment is the wind speed of the wind without attenuation under the current inner fan, that is, the cooling capacity of the unit during cooling operation under the rated cooling condition (35/24 ℃ outdoors and 27/19 ℃ indoors).
This embodiment can cause the influence according to indoor set heat exchanger condensation according to the air conditioner at the operation in-process, can derive the relation of indoor set air-out speed and dehumidification grade, this is because, under the unchangeable circumstances of other conditions, indoor relative humidity value is higher, indoor heat exchanger produces the condensation phenomenon more easily, the heat exchanger surface produces more condensation water, the windage of heat exchanger increases thereupon, the corresponding reduction of air-out speed behind the heat exchanger, consequently, can establish air-out speed and indoor humidity's judgement relation according to this.
Further optionally, the step S1 includes S11 to S13, wherein:
s11, acquiring a real-time air outlet speed v1 and a standard wind speed v2 corresponding to the current wind gear;
s12, calculating a wind speed difference delta v, wherein the wind speed difference delta v is equal to a standard wind speed v 2-a real-time wind outlet wind speed v 1;
s13, when the wind speed difference delta v is larger than the set wind speed difference, judging that the current indoor environment needs dehumidification; and when the delta v is less than or equal to the set wind speed difference, judging that the current indoor environment does not need dehumidification.
In the present embodiment, the indoor humidity condition is to determine the air humidity range according to the difference Δ v of the air outlet speed, and determine whether the indoor environment humidity reaches the degree of dehumidification. As shown in the control logic diagram of fig. 2, after the air conditioner is operated, the indoor air speed sensor detects the air outlet speed of the indoor unit in real time and feeds the air speed value back to the processing module. The processing module compares the received real-time wind speed information with a standard wind outlet speed, calculates a wind speed difference value delta v, starts judgment at the moment, and if delta v is less than or equal to a, the indoor relative humidity is in a low humidity interval without considering dehumidification measures; if a is more than delta v and less than or equal to b, judging that the indoor relative humidity is in a comfortable humidity interval at the moment, and also not considering dehumidification; setting the wind speed difference to be less than or equal to b.
Further optionally, a mapping relation table between a wind speed difference range and a dehumidification grade is stored in the air conditioner of this embodiment, where the mapping relation table includes a plurality of dehumidification grades in which dehumidification strengths are sequentially increased in an increasing manner, and a plurality of wind speed difference ranges in which wind speed differences are sequentially increased in an increasing manner, and the dehumidification strengths and the wind speed differences in the mapping relation table are in a positive correlation; the step S2 includes S21-S22, wherein:
s21, determining the wind speed difference range of the current wind speed difference in the mapping relation table according to the mapping relation table;
and S22, determining the dehumidification grade corresponding to the current wind speed difference according to the dehumidification grade corresponding to the wind speed difference range.
In this embodiment, as shown in the control logic diagram of fig. 2, the mapping relationship between the wind speed difference range and the dehumidification level is as follows: if b is larger than delta v and is smaller than or equal to c, the relative humidity of the room at the moment is judged to be in a middle humidity interval, the processing module determines that the dehumidification grade at the moment is the first grade, and the dehumidification strength of the dehumidification grade is the lowest; if c is more than delta v and less than or equal to d, judging that the humidity of the indoor unit is in a higher humidity interval at the moment, and determining that the dehumidification grade is in a second grade at the moment by the system, wherein the dehumidification intensity of the dehumidification grade is the most moderate dehumidification intensity; if d is larger than delta v and is smaller than or equal to e, the attenuation of the air speed of the indoor unit is large, the condensation of the heat exchanger of the indoor unit is serious at the moment, the humidity of the indoor unit is judged to be in a high-humidity interval at the moment, the dehumidification grade is determined to be three grades at the moment, and the dehumidification strength of the dehumidification grade is the highest.
Further optionally, the dehumidification strategy of this embodiment comprises: the opening degree of the electronic expansion valve of the indoor unit is increased and/or the running frequency of the compressor is increased.
Specifically, when the determined dehumidification intensity of the dehumidification grade is the low dehumidification intensity, the dehumidification strategy corresponding to the dehumidification grade is to increase the opening degree of the electronic expansion valve of the indoor unit. And when the determined dehumidification intensity of the dehumidification grade is the medium dehumidification intensity, the dehumidification strategy corresponding to the dehumidification grade is to improve the running frequency of the compressor. And when the determined dehumidification intensity of the dehumidification grade is high dehumidification intensity, the dehumidification strategy corresponding to the dehumidification grade is to increase the opening degree of an electronic expansion valve of the indoor unit and improve the running frequency of the compressor.
The embodiment performs corresponding dehumidification control on the air conditioner according to the determined dehumidification grade, and the processing module enters the automatic operation dehumidification program into the dehumidification mode after judging the dehumidification grade and sends out the dehumidification action to the air conditioner system. As shown in the control logic diagram of fig. 3, after the processing module sends a first-level dehumidification level command, the indoor humidity is in a low humidity range at this time, and mild dehumidification can be performed, the dehumidification intensity is low, the valve opening pls of the indoor unit valve is increased, the evaporation temperature of the evaporator is reduced, the condensation on the surface of the evaporator is increased, and the dehumidification effect is achieved; when the processing module sends a secondary dehumidification level command, the indoor humidity is high and is in a medium humidity range, and the dehumidification strength is medium dehumidification strength, so that the frequency of the compressor can be increased to achieve the effect of reducing the evaporation temperature of the evaporator, and air dehumidification is performed; when processing module sent the dehumidification grade and is tertiary order, indoor humidity was very serious this moment, was located the high humidity interval, should dehumidify fast, and the intensity of dehumidification this moment is high dehumidification intensity, and the processing method is for rising the compressor frequency simultaneously and increasing the valve opening of indoor set valve, and the evaporating temperature of furthest's reduction evaporimeter gets into high strength dehumidification.
The present embodiment also proposes a control device of an air conditioner, which includes one or more processors and a non-transitory computer-readable storage medium storing program instructions, when the one or more processors execute the program instructions, the one or more processors are configured to implement the method according to any one of the above.
The present embodiments also propose a non-transitory computer-readable storage medium having stored thereon program instructions for implementing the method according to any one of the above when the program instructions are executed by one or more processors.
The embodiment also provides an air conditioner which adopts the method of any one of the above items, or comprises the control device or has the non-transitory computer readable storage medium.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A dehumidification control method of an air conditioner, the control method comprising:
responding to a dehumidification control instruction, and judging whether the indoor environment needs dehumidification according to the wind speed difference between the real-time outlet wind speed v1 and the standard wind speed v 2;
when the indoor environment is judged to need dehumidification, determining the dehumidification grade according to the wind speed attenuation degree of the real-time wind outlet speed v1 relative to the standard wind speed v 2;
and controlling the air conditioner to dehumidify the indoor environment according to the determined dehumidification strategy corresponding to the dehumidification grade.
2. The dehumidification control method of claim 1, wherein the determining whether dehumidification is required for the indoor environment according to the difference between the real-time outlet wind speed v1 and the standard wind speed v2 comprises
Acquiring a real-time air outlet speed v1 and a standard wind speed v2 corresponding to a current wind gear;
calculating a wind speed difference delta v which is equal to a standard wind speed v 2-a real-time wind outlet speed v 1;
when the wind speed difference delta v is larger than the set wind speed difference, judging that the current indoor environment needs dehumidification; and when the delta v is less than or equal to the set wind speed difference, judging that the current indoor environment does not need dehumidification.
3. The dehumidification control method of an air conditioner according to claim 2, wherein a mapping table of a range of wind speed differences and dehumidification levels is stored in the air conditioner, the mapping table includes a plurality of dehumidification levels in which dehumidification intensity is sequentially increased and a plurality of ranges of wind speed differences in which wind speed differences are sequentially increased, and the dehumidification intensity and the wind speed differences in the mapping table are in a positive correlation;
when the indoor environment is judged to need dehumidification, the dehumidification grade is determined according to the speed attenuation degree of the real-time outlet wind speed v1 relative to the standard wind speed v2, and the dehumidification grade comprises
Determining the range of the wind speed difference of the current wind speed difference in the mapping relation table according to the mapping relation table;
and determining the dehumidification grade corresponding to the current wind speed difference according to the dehumidification grade corresponding to the wind speed difference range.
4. A dehumidification control method for an air conditioner according to claim 1, wherein said dehumidification strategy comprises: the opening degree of the electronic expansion valve of the indoor unit is increased and/or the running frequency of the compressor is increased.
5. The dehumidification control method of claim 4, wherein when the determined dehumidification intensity of the dehumidification grade is a low dehumidification intensity, the dehumidification strategy corresponding to the dehumidification grade is to increase an opening degree of an electronic expansion valve of the indoor unit.
6. The dehumidification control method of an air conditioner according to claim 4, wherein when the determined dehumidification intensity of the dehumidification level is a medium dehumidification intensity, the dehumidification strategy corresponding to the dehumidification level is to increase an operation frequency of a compressor.
7. The dehumidification control method of an air conditioner according to claim 4, wherein when the determined dehumidification intensity of the dehumidification grade is a high dehumidification intensity, the dehumidification strategy corresponding to the dehumidification grade is to increase an opening degree of an electronic expansion valve of the indoor unit and increase an operation frequency of the compressor.
8. A control apparatus of an air conditioner, comprising one or more processors and a non-transitory computer readable storage medium storing program instructions, the one or more processors being configured to implement the method according to any one of claims 1 to 7 when the program instructions are executed by the one or more processors.
9. A non-transitory computer-readable storage medium having stored thereon program instructions which, when executed by one or more processors, are to implement the method of any one of claims 1-7.
10. An air conditioner, characterized in that it employs the method of any one of claims 1-7, or comprises the control device of claim 8, or has the non-transitory computer-readable storage medium of claim 9.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001215041A (en) * | 2000-01-31 | 2001-08-10 | Ryobi Ltd | Air conditioning system and its operation control method |
| JP2009068731A (en) * | 2007-09-11 | 2009-04-02 | Fuji Electric Holdings Co Ltd | Humidity adjusting device |
| CN107726550A (en) * | 2017-09-20 | 2018-02-23 | 青岛海尔空调器有限总公司 | A kind of indoor air humidity projectional technique and air conditioner |
| CN109751727A (en) * | 2019-01-25 | 2019-05-14 | 奥克斯空调股份有限公司 | A kind of air conditioning control method, device and air conditioner |
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2021
- 2021-12-20 CN CN202111563930.4A patent/CN114216206B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001215041A (en) * | 2000-01-31 | 2001-08-10 | Ryobi Ltd | Air conditioning system and its operation control method |
| JP2009068731A (en) * | 2007-09-11 | 2009-04-02 | Fuji Electric Holdings Co Ltd | Humidity adjusting device |
| CN107726550A (en) * | 2017-09-20 | 2018-02-23 | 青岛海尔空调器有限总公司 | A kind of indoor air humidity projectional technique and air conditioner |
| CN109751727A (en) * | 2019-01-25 | 2019-05-14 | 奥克斯空调股份有限公司 | A kind of air conditioning control method, device and air conditioner |
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