CN108895627A - The control method of indoor unit - Google Patents
The control method of indoor unit Download PDFInfo
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- CN108895627A CN108895627A CN201810532381.6A CN201810532381A CN108895627A CN 108895627 A CN108895627 A CN 108895627A CN 201810532381 A CN201810532381 A CN 201810532381A CN 108895627 A CN108895627 A CN 108895627A
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- Prior art keywords
- indoor unit
- temperature
- blower fan
- control method
- fan module
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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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control method of indoor unit, indoor unit includes：Including blower fan module, the control method includes, the present mode of operation of indoor unit is obtained first, judge whether present mode of operation is heating mode or air supply pattern, if then present mode of operation is heating mode or air supply pattern, then further judge whether blower fan module reaches the excessively high preset condition of temperature, if then blower fan module reaches preset condition, then the wind file of indoor unit or the interior machine valve opening of indoor unit are adjusted according to present mode of operation, it is excessively high to avoid blower fan module temperature.The control method of indoor unit according to an embodiment of the present invention can make the temperature of blower fan module be controlled, and guarantee indoor unit reliability of operation.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to a kind of control methods of indoor unit.
Background technique
With the rapid development of our country's economy with the raising of living standards of the people, multi-connected air conditioner is in people's daily life
Using more and more extensive, using new blower, high static pressure indoor unit as the large capacity multi-connected machine of representative increasingly by market blueness
It looks at.However, due to large capacity multi-connected machine structure, function, in terms of particularity --- as multi-joint new blower fan system it is only
Special outdoor return characteristic, biggish heat exchanger, higher air quantity, with no blower fan module of other indoor units etc., this is just
Some peculiar problems are brought to such large capacity multi-connected machine --- as blower fan module temperature is excessively high.Once there is this problem,
It neither can guarantee multi-connected machine reliability, also leverage user experience.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
A kind of control method of indoor unit out, can prevent blower fan module temperature excessively high, guarantee indoor unit reliability of operation.
The control method of indoor unit according to an embodiment of the present invention, the indoor unit include blower fan module, the controlling party
Method includes the following steps：S1:The present mode of operation for obtaining the indoor unit judges whether the present mode of operation is heating
Mode or air supply pattern；S2:If the present mode of operation be the heating mode or the air supply pattern, further
Ground judges whether the blower fan module reaches the excessively high preset condition of temperature；S3:If the blower fan module reaches the default item
Part is then adjusted the wind file of the indoor unit or the interior machine valve opening of the indoor unit according to the present mode of operation,
It is excessively high to avoid the blower fan module temperature.
The control method of indoor unit according to an embodiment of the present invention, by obtaining the operational mode of indoor unit and to indoor unit
Wind file or the interior machine valve opening of indoor unit be adjusted, the temperature of blower fan module can be made to be controlled, guarantee indoor unit
Reliability of operation.
In addition, can also have following additional technical characteristic according to the control method of the indoor unit of inventive embodiments：
According to some embodiments of the present invention, in the step S2, the preset condition is：The reality of the indoor unit
Time of the supply air temperature TA more than or equal to the first preset temperature T1 lasts up to the first preset time t 1.
According to some embodiments of the present invention, in the step S3, the present mode of operation be air supply pattern when and
Meet preset condition, then the wind file is reduced into the first preset gear every the second preset time t 2.
Optionally, in the step S3, when needing reduces the wind file, until the practical air-supply temperature of the indoor unit
It spends TA and is less than the second preset temperature T2, stop transferring the files.
Optionally, in the step S3, when needing reduces the wind file, until the wind file is adjusted to for 0 time
After lasting up to third preset time t 3, step S1 is returned to.
According to some embodiments of the present invention, in the step S3, the present mode of operation be heating mode when and
Meet preset condition, then the wind file is improved into the second preset gear every the 4th preset time t 4, and reduce the interior machine valve
Aperture.
Optionally, in the step S3, when the present mode of operation is heating mode and needs to adjust, until institute
The practical supply air temperature TA for stating indoor unit is less than the third preset temperature T3, stops transferring the files.
Optionally, in the step S3, when the present mode of operation is heating mode and needs to adjust, until institute
The time for stating aperture regulation to minimum shelves that wind file is adjusted to the most high-grade and described interior machine valve lasts up to the 5th preset time t 5
Afterwards, step S1 is returned to.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the partial structure diagram of the indoor unit of the control method of indoor unit according to an embodiment of the present invention；
Fig. 2 is the flow chart of the control method of indoor unit according to an embodiment of the invention；
Fig. 3 is the control method flow chart of indoor unit according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The control method of indoor unit according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 3.
As shown in figures 1 and 3, indoor unit includes blower fan module, and blower fan module is located in electric-controlled box, the controlling party of indoor unit
Method may comprise steps of：S1:The present mode of operation for obtaining indoor unit, judges whether present mode of operation is heating mode
Or air supply pattern；S2：If present mode of operation is heating mode or air supply pattern, further judge that blower fan module is
It is no to reach the excessively high preset condition of temperature；S3：If blower fan module reaches preset condition, according to present mode of operation to indoor unit
Wind file FAN or the interior machine valve opening EXV of indoor unit be adjusted, it is excessively high to avoid blower fan module temperature.
Specifically, the operation of indoor unit has heating mode and air supply pattern, indoor in heating mode and pressure fan mode
In machine operational process, blower fan module is easy fever and causes temperature excessively high, to influence the use of indoor unit.It is indoor by obtaining
Present mode of operation, to can determine whether indoor unit present mode of operation can there is a phenomenon where blower fan module temperature is excessively high.
Then to judging that present mode of operation is heating mode or air supply pattern, the operation side of indoor unit under different mode
Formula is different, and the working method and local environment of blower fan module be not also identical, current for the present mode of operation of indoor unit operation
Whether blower fan module reaches the excessively high preset condition of temperature, can determine whether this when blower fan module reaches the excessively high preset condition of temperature
When blower fan module temperature it is excessively high, can take measures to prevent blower fan module from continuing to increase at this time so that blower fan module gradually radiates,
Or cool down to blower fan module.It is opened specifically according to the adjustable windscreen of the different operational mode of indoor unit and interior machine valve
Degree, to guarantee the reliability service of indoor unit, effectively promotes the satisfaction of user to adjust the temperature of blower fan module.
The control method of indoor unit according to an embodiment of the present invention, by obtaining the operational mode of indoor unit and judging blower
Whether module reaches the excessively high preset condition of temperature, according to different operational modes in the wind file FAN or indoor unit of indoor unit
Machine valve opening EXV is adjusted, and can effectively adjust the temperature of blower fan module, excessively high to avoid blower fan module temperature, guarantees room
The reliability service of interior machine.
In some embodiments of the invention, as shown in Fig. 2, the excessively high preset condition of blower fan module temperature can be interior
Time of the practical supply air temperature TA of machine more than or equal to the first preset temperature T1 continues the first preset time t 1, that is to say, that logical
Excess temperature sensor can detect the supply air temperature of indoor unit, by recording the practical supply air temperature TA of indoor unit, and
The practical supply air temperature TA that will test is compared with the first preset temperature T1, in the first preset time t 1, the reality of detection
Border supply air temperature TA, which is consistently greater than, is equal to the first preset temperature, then judges that blower fan module temperature is excessively high.
Specifically, when indoor unit is blown with the temperature more than or equal to the first preset temperature T1, on the one hand make blower
The temperature of module local environment, which constantly increases, causes blower fan module constantly to increase, and another aspect blower fan module is for controlling indoor unit
Air-supply electronic component workload it is larger lead to blower fan module heat production and blower fan module temperature increased, when indoor unit is with big
It blows in the temperature equal to the first preset temperature T1 and continues air supply time more than or equal to the first preset time t 1, judge at this time
Blower fan module temperature in the first preset time t 1 is excessively high, that is, has reached the excessively high preset condition of blower fan module temperature.
From there through practical supply air temperature, to blower fan module, whether temperature is excessively high judges, independent without being arranged
Temperature sensor detected, can simplify the structure of indoor unit, and can not influence blower fan module and indoor unit other
The normal work of component, while also realizing the judgement excessively high to blower fan module temperature, and judge more accurate and reliable.
In some embodiments of the invention, as shown in Fig. 2, it is when present mode of operation is air supply pattern in step S3 and full
Wind file FAN is then reduced the first preset gear FAN1 every the second preset time t 2, that is to say, that work as interior by sufficient preset condition
Blower fan module when the temperature is excessively high, can preset the wind file FAN of the air-supply of indoor unit every second machine in air supply pattern and at this time
Time t2 reduces the first preset gear FAN1, thus can reduce the wind speed of air-supply, and then reduces control air-supply windscreen and wind speed
The workload of electronic component, and then the load of blower fan module is reduced, so as to reduce the heat production of blower fan module, to prevent blower
Constant temperature rises, and achievees the purpose that gradually decrease blower fan module temperature.
Wherein optionally, the first preset gear FAN1 can be a gear, be also possible to two gears, for example, when the
When one preset gear FAN1 is a gear, wind file FAN reduces by one grade every the second preset time t 2, here to the first default shelves
The size of position FAN1 is not construed as limiting.
It in some examples of the invention, in step s3, can be up to the reality of indoor unit when needing to reduce wind file FAN
Border supply air temperature TA stops transferring the files less than the second preset temperature T2, that is to say, that in order to reduce the temperature of blower fan module, wind file
FAN can reduce the first preset gear FAN1 every the second preset time t 2, in the process can be by practical supply air temperature TA and the
Two preset temperature T2 are compared, wherein the second preset temperature T2 is less than the first preset temperature T1, when the practical air-supply temperature of acquisition
When spending TA more than or equal to the second preset temperature T2, wind file FAN will continue to reduce, when the practical supply air temperature TA of acquisition meets reality
When supply air temperature TA is less than the second preset temperature T2, wind file FAN can stop transferring the files.
Alternatively, needing to reduce wind file when the control method of indoor unit has arrived step S3 in other examples of the invention
When FAN, until returning to step S1 after the time that wind file FAN is adjusted to 0 persistently reaches third preset time t 3, that is to say, that
In order to reduce the temperature of blower fan module, wind file FAN can reduce the first preset gear FAN1 every the second preset time t 2, work as wind file
When the gear of FAN is 0, i.e., when indoor unit is out-of-blast, windscreen FAN can not continue to reduce at this time, the electronics of the air-supply of indoor unit
Element is out of service, i.e. the air-supply electronic component not heat production of blower fan module, then the duration that windscreen FAN is 0 is recorded, if indoor
When the out-of-blast time of machine has reached third preset time t 3, then it is back to from step S1 circular flow, and judge blower mould
Whether the temperature of block is excessively high.
In some embodiments of the invention, as shown in Fig. 2, in step s3, when present mode of operation is heating mode
And meet preset condition, then wind file FAN is improved into the second preset gear FAN2 every the 4th preset time t 4, and reduce interior machine valve
Aperture, that is to say, that when indoor unit is heating mode and to reach the excessively high preset condition of blower fan module temperature, i.e. indoor unit is in
Heating mode operation and blower fan module when the temperature is excessively high, then every the 4th preset time t 4 by wind file FAN improve the second default shelves
Position FAN2, and reduce the aperture of interior machine valve.
The circular flow of the refrigerant of indoor unit can be reduced, by the aperture of machine valve in reducing as a result, so as to reduce
The supply air temperature of indoor unit when heating mode, and then the environment temperature of blower fan module can be reduced, by reducing locating for blower fan module
The temperature of environment can realize the temperature of blower fan module.And by the way that windscreen FAN to be turned up, after increasing reduction temperature
The air output of blower, and then the circulation of air can be accelerated, to further improve the reduction of environment temperature locating for blower fan module,
Facilitate the temperature of reduction blower fan module.Wherein wind file FAN can improve the second default shelves every the 4th certain preset time t 4
Position FAN2 so that windscreen FAN is gradually adjusted at regular intervals, and then realize to the environment temperature of blower fan module by
Gradually reduce.
Wherein the height-regulating of wind file FAN and the reduction of interior machine valve opening can carry out simultaneously, can also carry out respectively, for example,
After interior machine valve opening being reduced a certain size, then windscreen FAN is continuously improved at regular intervals, or can be by windscreen
FAN is maintained on a gear, and interior machine valve opening is then reduced a certain size at regular intervals, furthermore, it can be every certain
After time, windscreen FAN is improved into certain gear, and turn interior machine valve opening down certain opening size.
Optionally, the second preset gear FAN2 can be a gear, be also possible to two gears, for example, it is pre- to work as second
If gear FAN2 is a gear, wind file FAN increases by one grade every the 4th preset time t 4, it is to be appreciated that here to the
The size of two preset gear FAN2 is not construed as limiting, and the size of the second preset gear FAN2 can be according to the reality of the blower of indoor unit
Gear and actual needs are set.
In this embodiment, when present mode of operation is heating mode and needs to adjust, until the practical air-supply of indoor unit
Temperature TA is less than third preset temperature T3, stops transferring the files, that is to say, that when the practical supply air temperature TA of indoor unit is unsatisfactory for interior
When the practical supply air temperature TA of machine is less than third preset temperature T3, wind file FAN continues wind file FAN every the 4th preset time t 4
The second preset gear FAN2 is improved, when the practical supply air temperature TA of indoor unit meets the practical supply air temperature TA of indoor unit less than
It when three preset temperature T3, then does not need to continue to be turned up by the gear of wind file FAN, does not need to drop interior machine valve opening EXV yet
It is low.
In this embodiment, in step s3, when present mode of operation is heating mode and needs to adjust, until wind file
After the time that FAN is adjusted to aperture regulation to the minimum shelves of most high-grade and interior machine valve lasts up to the 5th preset time t 5, return to
Step S1, that is to say, that when wind file FAN is adjusted to most high-grade and interior machine valve opening EXV to minimum shelves, and wind file FAN is not yet
It is adjusted to most high-grade, maximum is reached to the cooling effect of blower fan module at this time, and wind file FAN and interior machine valve opening EXV can not be into
Row is adjusted again, record indoor unit be in when wind file FAN is adjusted to most high-grade and interior machine valve opening EXV to minimum shelves state when
Between, reach the 5th preset time t 5 until the duration of the aperture regulation to the minimum shelves that meet interior machine valve, then indoor unit can weigh
Newly bring into operation from the step S1 of the control method of indoor unit.
The control method of the indoor unit of a specific embodiment of the invention is described below with reference to Fig. 1-Fig. 3.
As shown in figures 1 and 3, it is first turned on indoor unit, indoor unit operates normally, and is periodically detected actually sending for indoor unit
The interior machine valve opening EXV of air temperature TA, the windscreen FAN of blower and indoor unit.Then the present mode of operation of indoor unit is obtained,
And judge that indoor unit is whether as heating mode or air supply pattern, when interior is in heating mode or air supply pattern, then into one
Step ground judges blower fan module, and whether temperature is excessively high.
Specifically, practical supply air temperature TA is compared with the first preset temperature T1, when practical supply air temperature TA is greater than
When equal to the first preset temperature T1 and duration t1, then judge that blower fan module temperature is excessively high at this time, if it is not, then judging blower mould
Deblocking temperature is not excessively high.
When indoor unit reaches the excessively high preset condition of blower fan module temperature, then further judge whether indoor unit is system
Heat pattern, if otherwise indoor unit is air supply pattern, the operational mode according to locating for indoor unit, to windscreen FAN and interior machine valve opening
EXV is adjusted.
When indoor unit is in heating mode, the wind file can be improved into a gear every the 4th preset time t 4, and drop
The aperture of the low interior machine valve, then with the windscreen FAN of practical supply air temperature TA, blower that is periodically detected and indoor unit
Interior machine valve opening EXV.Judge indoor unit whether meet indoor unit practical supply air temperature TA be less than the third preset temperature T3,
Or whether indoor unit meets and lasts up to when the time that wind file is adjusted to aperture regulation to the minimum shelves of most high-grade and interior machine valve
Five preset time ts 5.If so, indoor unit can maintain current state, do not need that windscreen and interior machine valve opening is adjusted.If
Otherwise previous step is returned, continues to adjust windscreen and interior machine valve opening.
Thus when machine is in heating mode indoors, air-supply temperature can be adjusted by adjusting the aperture of windscreen and interior machine valve
Degree, and then the environment temperature for adjusting blower fan module prevents blower fan module temperature excessively high to realize the adjusting to blower fan module temperature
And influence operation and the service life of indoor unit.
It, can be every the second preset time when indoor unit is in air supply pattern and meets the excessively high default adjusting of blower temperature
The wind file is reduced a gear by t2, and it is pre- then to judge whether that the practical supply air temperature TA for meeting indoor unit is less than described second
If temperature T2, or whether meet wind file and be adjusted to 0 and last up to third preset time t 3, if so, current operating conditions are maintained,
It does not need that windscreen is adjusted, and continues the operational mode of indoor unit and whether reach excessively high default of blower fan module temperature
Adjusting is detected, and realizes the circular flow of control method.If otherwise returning to previous step, continue to adjust windscreen.
It, can be by the windscreen of the air-supply of adjusting indoor unit to reduce blower mould when machine is in air supply pattern indoors as a result,
The operating load of block, and then the heat production for reducing blower fan module prevents blower fan module temperature mistake to adjust the temperature of blower fan module
It is high.
Wherein indoor unit can in real time to blower fan module whether temperature is excessively high that detection is adjusted, can also be periodically to wind
The carry out temperature of machine module crosses high detection and adjusting, and windscreen and interior machine valve opening can carry out periodic adjustment.
Other of indoor unit according to an embodiment of the present invention are constituted and are operated for those of ordinary skills
All be it is known, be not detailed herein.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.
In the description of this specification, reference term " some embodiments ", " embodiment ", " specific example " or " some
The description of example " etc. means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in this hair
In at least one bright embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to
Identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more realities
Applying can be combined in any suitable manner in example or example.In addition, without conflicting with each other, those skilled in the art can incite somebody to action
The feature of different embodiments or examples and different embodiments or examples described in this specification is combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (8)
1. a kind of control method of indoor unit, which is characterized in that the indoor unit includes blower fan module, and the control method includes
Following steps：
S1:The present mode of operation for obtaining the indoor unit, judges whether the present mode of operation is heating mode or send
Wind mode；
S2:If the present mode of operation is the heating mode or the air supply pattern, the wind is further judged
Whether machine module reaches the excessively high preset condition of temperature；
S3:If the blower fan module reaches the preset condition, according to the present mode of operation to the wind of the indoor unit
The interior machine valve opening of shelves or the indoor unit is adjusted, excessively high to avoid the blower fan module temperature.
2. the control method of indoor unit according to claim 1, which is characterized in that described default in the step S2
Condition is：The practical supply air temperature TA of the indoor unit more than or equal to the first preset temperature T1 time last up to first it is default when
Between t1.
3. the control method of indoor unit according to claim 1, which is characterized in that in the step S3, described current
When operational mode is air supply pattern and meet preset condition, then presets wind file reduction by first every the second preset time t 2
Gear.
4. the control method of indoor unit according to claim 3, which is characterized in that in the step S3, when needing to drop
When the low wind file, until the practical supply air temperature TA of the indoor unit is less than the second preset temperature T2, stop transferring the files.
5. the control method of indoor unit according to claim 3, which is characterized in that in the step S3, when needing to drop
When the low wind file, until returning to step S1 after the time that the wind file is adjusted to 0 lasts up to third preset time t 3.
6. the control method of indoor unit according to claim 1, which is characterized in that in the step S3, described current
When operational mode is heating mode and meet preset condition, then presets wind file raising second every the 4th preset time t 4
Gear, and reduce the aperture of the interior machine valve.
7. the control method of indoor unit according to claim 6, which is characterized in that in the step S3, work as when described
When preceding operational mode is heating mode and needs to adjust, until the practical supply air temperature TA of the indoor unit pre- less than the third
If temperature T3 stops transferring the files.
8. the control method of indoor unit according to claim 6, which is characterized in that in the step S3, work as when described
When preceding operational mode is heating mode and needs to adjust, until the wind file is adjusted to the aperture of the most high-grade and described interior machine valve
Be adjusted to minimum shelves time last up to the 5th preset time t 5 after, return to step S1.
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| CN201810532381.6A CN108895627B (en) | 2018-05-29 | 2018-05-29 | Control method of indoor unit |
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| CN201810532381.6A CN108895627B (en) | 2018-05-29 | 2018-05-29 | Control method of indoor unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112303853A (en) * | 2020-10-30 | 2021-02-02 | 青岛海尔空调电子有限公司 | Control method of air suction type air conditioner |
| CN112594902A (en) * | 2020-12-03 | 2021-04-02 | 重庆海尔空调器有限公司 | Control method and system of air conditioner |
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