CN110470031A - Control method and air conditioner indoor unit for air conditioner indoor unit - Google Patents
Control method and air conditioner indoor unit for air conditioner indoor unit Download PDFInfo
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- CN110470031A CN110470031A CN201910696196.5A CN201910696196A CN110470031A CN 110470031 A CN110470031 A CN 110470031A CN 201910696196 A CN201910696196 A CN 201910696196A CN 110470031 A CN110470031 A CN 110470031A
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- heat exchanger
- temperature
- environment temperature
- air
- outdoor
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
-
- 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
-
- 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
-
- 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
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- 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
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
-
- 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)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of control methods and air conditioner indoor unit for air conditioner indoor unit.Air conditioner indoor unit include the first breeze fan and the second breeze fan, be respectively arranged at the first breeze fan and the second breeze fan air intake road First Heat Exchanger and the second heat exchanger and outdoor air is guided to the second heat exchanger upstream aeration device.Control method includes: to obtain outdoor environment temperature and indoor environment temperature；Judge indoor environment temperature compared to outdoor environment temperature whether closer to user's preferred temperature；If so, starting aeration device, and make the temperature of the second heat exchanger lower than the temperature of First Heat Exchanger when First Heat Exchanger and the second heat exchanger are in refrigerating state；So that the temperature of the second heat exchanger is higher than the temperature of First Heat Exchanger when First Heat Exchanger and the second heat exchanger are in heating state, so that outdoor air is adequately exchanged heat, reduces the temperature difference of the first air outlet and the second air outlet blowout air-flow.
Description
Technical field
The present invention relates to filed of air conditioning, more particularly to a kind of control method for air conditioner indoor unit and air conditioning chamber
Interior machine.
Background technique
To avoid indoor environment excessively high air quality problems of such as gas concentration lwevel because caused by air permeability is bad,
The aeration device being connected to outdoor environment is usually had additional in indoor unit, and outdoor air is introduced into indoor environment.But at present
There are outside air temperatures to cause user uncomfortable there are the temperature difference with sendible temperature for air conditioner indoor unit with aeration device
Technical problem.Comprehensively consider, needs a kind of control for the air conditioner indoor unit with aeration device comfortably blown in design
Method processed and air conditioner indoor unit.
Summary of the invention
One purpose of first aspect present invention is to provide for a kind of air-conditioning being used for aeration device comfortably blown
The control method of indoor unit.
One of first aspect present invention further objective is that the first breeze fan will be reduced and the second breeze fan is blown
The temperature difference of air-flow out.
One purpose of second aspect of the present invention is to provide for a kind of air conditioner indoor unit with aeration device.
According to the first aspect of the invention, a kind of control method for air conditioner indoor unit is provided, in the air conditioning chamber
Machine include the first breeze fan and the second breeze fan, be respectively arranged at first breeze fan and the second breeze fan into
The First Heat Exchanger of distinguished and admirable road and the second heat exchanger and outdoor air is guided to the new of the upstream of second heat exchanger
Wind apparatus；It is characterized in that, the control method includes:
Obtain outdoor environment temperature and indoor environment temperature；
Judge the indoor environment temperature compared to the outdoor environment temperature whether closer to user's preferred temperature；
If so, starting the aeration device, and make when the First Heat Exchanger and the second heat exchanger are in refrigerating state
The temperature of second heat exchanger is lower than the temperature of the First Heat Exchanger；It is in the First Heat Exchanger and the second heat exchanger
The temperature of second heat exchanger is set to be higher than the temperature of the First Heat Exchanger when heating state.
Optionally, the control method further include:
If the outdoor environment temperature, closer to user's preferred temperature, starts institute compared to the indoor environment temperature
Aeration device is stated, and makes the temperature of the First Heat Exchanger when the First Heat Exchanger and the second heat exchanger are in refrigerating state
Lower than the temperature of second heat exchanger；Make described first when the First Heat Exchanger and the second heat exchanger are in heating state
The temperature of heat exchanger is higher than the temperature of second heat exchanger.
Optionally, the temperature difference of the First Heat Exchanger and second heat exchanger is the outdoor environment temperature and the room
The 40%~60% of the temperature difference of interior environment temperature.
Optionally, first breeze fan is identical as the revolving speed of second breeze fan.
Optionally, described to judge the indoor environment temperature compared to the outdoor environment temperature whether closer to user's phase
Hope temperature the step of include:
Obtain the working condition of the First Heat Exchanger and the second heat exchanger；
If the First Heat Exchanger and the second heat exchanger are in refrigerating state, judge whether the outdoor environment temperature is greater than
The indoor environment temperature, if so, the indoor environment temperature it is expected temperature closer to user compared to the outdoor environment temperature
Degree；
If the First Heat Exchanger and the second heat exchanger are in heating state, judge whether the outdoor environment temperature is less than
The indoor environment temperature, if so, the indoor environment temperature it is expected temperature closer to user compared to the outdoor environment temperature
Degree.
Optionally, described to judge the indoor environment temperature compared to the outdoor environment temperature whether closer to user's phase
Hope temperature the step of include:
Obtain user's preferred temperature；
Judge whether the indoor environment temperature and the temperature difference of user's preferred temperature are less than or equal to the outdoor environment
The temperature difference of temperature and user's preferred temperature；
If so, the indoor environment temperature is compared to the outdoor environment temperature closer to user's preferred temperature.
Optionally, the control method further include:
Obtain the gas concentration lwevel of indoor environment；
Judge whether the gas concentration lwevel is more than or equal to preset concentration threshold value；
If so, starting the aeration device.
Optionally, the control method further include:
Obtain the air quality index of outdoor environment；
Judge whether the air quality index is less than or equal to predetermined quality threshold；
If so, starting the aeration device；And/or
After the starting aeration device, the gas concentration lwevel of indoor environment is obtained；
Judge whether the gas concentration lwevel is less than the preset concentration threshold value；
If so, closing the aeration device.
According to the second aspect of the invention, a kind of air conditioner indoor unit is additionally provided, including the first breeze fan and second is sent
Wind blower, be respectively arranged at first breeze fan and the second breeze fan air intake road First Heat Exchanger and second
Heat exchanger and outdoor air is guided to second heat exchanger upstream aeration device and controller, feature exists
In the controller is configured for executing the control method of any description above.
Optionally, the First Heat Exchanger and second heat exchanger are connected in parallel between compressor and outdoor heat exchanger；And
It is provided with flow valve between the First Heat Exchanger and/or second heat exchanger and the outdoor heat exchanger, with
Adjust the cold medium flux ratio in the First Heat Exchanger and second heat exchanger, so adjust the First Heat Exchanger with it is described
The temperature of second heat exchanger.
For the present invention in the case where heat exchanger and aeration device work, environment temperature is compared to outdoor environment temperature indoors
So that the heat exchange efficiency of the second heat exchanger is higher than the heat exchange efficiency of First Heat Exchanger when spending closer user's preferred temperature, outdoor can be made
Air is adequately exchanged heat, reduce the first air outlet and the second air outlet blowout air-flow the temperature difference, avoid user experience because
Outdoor air and room air the bring sense of discomfort there are the temperature difference.
Further, the present invention in outdoor environment temperature compared to indoor environment temperature closer to user's preferred temperature when make
The heat exchange efficiency of First Heat Exchanger is higher than the heat exchange efficiency of the second heat exchanger, while improving indoor unit cooling and warming efficiency,
The temperature difference for reducing the first air outlet and the second air outlet blowout air-flow, improves user experience.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic cross sectional views of air conditioner indoor unit according to an embodiment of the invention；
Fig. 2 is the schematic diagram of refrigeration system according to an embodiment of the invention；
Fig. 3 is the flow chart of the control method according to an embodiment of the invention for air conditioner indoor unit；
Fig. 4 is the detail flowchart of the control method according to the preferred embodiment of the invention for air conditioner indoor unit.
Specific embodiment
Fig. 1 is the schematic cross sectional views of air conditioner indoor unit according to an embodiment of the invention.Referring to Fig. 1, in air conditioning chamber
Machine 100 may include casing 110, the first breeze fan 120, the second breeze fan 130, refrigeration system 140, aeration device and
Store the controller (not shown) of computer program.
Casing 110 can offer the shell air inlet 111 of supplied gas inflow and the first air outlet 112 of supplied gas outflow
With the second air outlet 113.Wherein, shell air inlet 111 can be opened in the rear wall of casing 110, and the first air outlet 112 can be opened in
The antetheca of casing 110.
First breeze fan 120 and the second breeze fan 130 may be disposed in casing 110, and be configured to enter the wind from casing
The ambient enviroment sucking air of mouth 111 simultaneously promotes air to flow respectively to the first air outlet 112 and the second air outlet 113.
The model of first breeze fan 120 and the second breeze fan 130 can be identical.First breeze fan 120 and second is sent
Wind blower 130 can be centrifugal blower, to increase the air output of indoor unit 100.
Fig. 2 is the schematic diagram of refrigeration system 140 according to an embodiment of the invention.Referring to Fig. 1 and Fig. 2, it makes
Cooling system 140 may include compressor 141, outdoor heat exchanger 142, be parallel between compressor 141 and outdoor heat exchanger 142
One heat exchanger 144a and the second heat exchanger 144b, respectively with First Heat Exchanger 144a and concatenated first mao of the second heat exchanger 144b
Tubule 143a and the second capillary 143b and it is set to First Heat Exchanger 144a and the second heat exchanger 144b and outdoor heat exchanger
Flow valve 145 between 142.Wherein compressor 141 and outdoor heat exchanger 142 are set to outdoor environment.
First Heat Exchanger 144a and the second heat exchanger 144b are respectively arranged at the first breeze fan 120 and the second breeze fan
130 air intake road carries out heat exchange with the air for flowing through it, to change the temperature for the air for flowing through it, so that it becomes changing
Hot-air.The heat exchange area of First Heat Exchanger 144a and the second heat exchanger 144b can be identical.
Flow valve 145 can be triple valve, respectively with the first capillary 143a, the second capillary 143b and outdoor heat exchanger
142 connections to adjust the cold medium flux ratio in First Heat Exchanger 144a and the second heat exchanger 144b, and then adjust First Heat Exchanger
The temperature of 144a and the second heat exchanger 144b.Flow valve 145 can also be two-port valve, be connected on the first capillary 143a and change with outdoor
Between hot device 142 or between the second capillary 143b and outdoor heat exchanger 142.
Aeration device may include having the fresh air duct 151 of fresh air inlet and fresh air outlet and being set to fresh air duct 151
Interior new fan blade 152, wherein fresh air inlet can be connected to by fresh air pipeline 160 with outdoor environment, and new fan blade 152 is settable
It sucks outdoor air to pass through fresh air inlet and outdoor air is promoted to flow to First Heat Exchanger 144a and the through fresh air duct 151
The upstream of two heat exchanger 144b, and then heat exchange is carried out with First Heat Exchanger 144a and the second heat exchanger 144b.
In some embodiments, fresh air duct 151 can be configured to for outdoor air to be guided to the upper of the second heat exchanger 144b
Trip.I.e. the fresh air of fresh air duct 151 is exported can be greater than and the second air-supply at a distance from the fan air inlet of the first breeze fan 120
The distance of the air inlet of blower 130.In other words, the flow path that outdoor air enters the first breeze fan 120 is longer than
Into the flow path of the second breeze fan 130.
In some embodiments, the first breeze fan 120, the second breeze fan 130 and aeration device can from top to bottom according to
It is secondary to be set in casing 110.Indoor unit 100 may also include wind-guiding cover board 170, and wind-guiding cover board 170 is set to the rear wall of casing 110
Rear side and the fresh air for being connected to aeration device export and the bottom section of shell air inlet 111, and outdoor air guiding second is changed
The upstream of hot device 144b.
In further embodiments, the first breeze fan 120, the second breeze fan 130 and aeration device can be from the bottom to top
It is set in turn in casing 110.In this embodiment, wind-guiding cover board 170 may be configured as connection aeration device fresh air outlet and
The top area of shell air inlet 111.
The first breeze fan 120, the second breeze fan 130 and aeration device can be along level sides in yet other embodiments,
To being set in turn in casing 110.In this embodiment, wind-guiding cover board 170 may be configured as the fresh air outlet of connection aeration device
The region through the second breeze fan 130 is leaned on shell air inlet 111.
In still other embodiments, aeration device may be disposed at the first breeze fan 120 and the second breeze fan 130 it
Between.In this embodiment, wind-guiding cover board 170 may be configured as the machine of the fresh air outlet and fresh air air outlet two sides of connection aeration device
Shell air inlet 111.
Particularly, it works in heat exchanger and aeration device, and indoor environment temperature more connects compared to outdoor environment temperature
In the case where nearly user's preferred temperature, controller can be configured to be in refrigeration in First Heat Exchanger 144a and the second heat exchanger 144b
The temperature that First Heat Exchanger 144a and/or the second heat exchanger 144b is adjusted when state makes the temperature of the second heat exchanger 144b lower than the
The temperature of one heat exchanger 144a；The first heat exchange is adjusted when First Heat Exchanger 144a and the second heat exchanger 144b are in heating state
The temperature that the temperature of device 144a and/or the second heat exchanger 144b make the temperature of the second heat exchanger 144b be higher than First Heat Exchanger 144a
Degree.It wherein, can also be able to be close to user for close to the desired temperature trend of user (colder or hotter) close to user's preferred temperature
The temperature value of setting.
For the present invention in the case where heat exchanger and aeration device work, environment temperature is compared to outdoor environment temperature indoors
The heat exchange efficiency of the second heat exchanger 144b is set to be higher than the heat exchange efficiency of First Heat Exchanger 144a when spending closer user's preferred temperature,
Outdoor air can be made adequately to be exchanged heat, reduce the temperature difference of the first air outlet and the second air outlet blowout air-flow, avoid user
Experience bring sense of discomfort due to outdoor air and room air are there are the temperature difference.
Further, it works in heat exchanger and aeration device, and outdoor environment temperature is more compared to indoor environment temperature
In the case where user's preferred temperature, controller can be configured to be in system in First Heat Exchanger 144a and the second heat exchanger 144b
The temperature that First Heat Exchanger 144a and/or the second heat exchanger 144b is adjusted when cold state is lower than the temperature of First Heat Exchanger 144a
The temperature of second heat exchanger 144b；First is adjusted when First Heat Exchanger 144a and the second heat exchanger 144b are in heating state to change
The temperature that the temperature of hot device 144a and/or the second heat exchanger 144b make the temperature of First Heat Exchanger 144a be higher than the second heat exchanger 144b
Degree, while improving indoor unit cooling and warming efficiency, to further reduce the first air outlet and the second air outlet blowout air-flow
The temperature difference, improve user experience.
In the present invention, fresh air dress can opened to the adjusting of the temperature of First Heat Exchanger 144a and the second heat exchanger 144b
Progress while setting can also carry out afterwards for a period of time opening aeration device.
Indoor environment temperature can be user's sendible temperature, be adjusted with carrying out accurately temperature to the outdoor air of introducing, into
And improve user experience.
In some embodiments, the temperature difference of First Heat Exchanger 144a and the second heat exchanger 144b can for outdoor environment temperature with
The 40%~60% of the temperature difference of indoor environment temperature, such as 40%, 50% or 60%, to make outdoor air sufficiently be exchanged heat
While, reduce the temperature difference of the first air outlet and the second air outlet blowout air-flow.In the present invention, the temperature difference is that two temperature are subtracted each other
Absolute value.
In some embodiments, the first breeze fan can be identical with the revolving speed of the second breeze fan, so that the first air outlet
It is identical with the air current flow of the second air outlet blowout, improve air-supply comfort level.In further embodiments, the first breeze fan with
The rotating ratio of second breeze fan can be adjusted according to user's preferred temperature.
In some embodiments, whether indoor environment temperature can closer to user's preferred temperature compared to outdoor environment temperature
It is carried out according to the working condition and outdoor environment temperature of First Heat Exchanger 144a and the second heat exchanger 144b and indoor environment temperature
Judgement.
It is greater than indoor ring when First Heat Exchanger 144a and the second heat exchanger 144b are in refrigerating state and outdoor environment temperature
When the temperature of border or when First Heat Exchanger 144a and the second heat exchanger 144b be in heating state and outdoor environment temperature less than indoor
When environment temperature, indoor environment temperature is compared to outdoor environment temperature closer to user's preferred temperature；Otherwise, outdoor environment temperature
Compared to indoor environment temperature closer to user's preferred temperature.
In further embodiments, whether indoor environment temperature is compared to outdoor environment temperature closer to user's preferred temperature
It can be judged according to preferred temperature value set by user and outdoor environment temperature and indoor environment temperature.
When the temperature difference of indoor environment temperature and user's preferred temperature is less than or equal to outdoor environment temperature and user's preferred temperature
The temperature difference when, indoor environment temperature is compared to outdoor environment temperature closer to user's preferred temperature；Otherwise, outdoor environment temperature phase
Than in indoor environment temperature closer to user's preferred temperature.
In some embodiments, controller can be configured to start fresh air dress according to the gas concentration lwevel of indoor environment
It sets.Specifically, when the gas concentration lwevel of indoor environment is more than or equal to preset concentration threshold value, start aeration device to indoor ring
Border is aerated ventilation.Preset concentration threshold value can be 800~1000PPM, such as 800PPM, 900PPM or 1000PPM.
Controller may be additionally configured on the basis of according to the gas concentration lwevel of indoor environment according further to outdoor
The air quality index of environment starts aeration device, to prevent indoor environment to be contaminated.Specifically, when the two of indoor environment
Concentration of carbon is aoxidized more than or equal to preset concentration threshold value and when the air quality index of outdoor environment is less than or equal to predetermined quality threshold,
Start aeration device.Air quality index can be determined according to GB3095-2012.Predetermined quality threshold can be 50~100, such as
50,70,80 or 100.
Controller can be configured to close fresh air dress when the gas concentration lwevel of indoor environment is less than preset concentration threshold value
It sets, stops as indoor environment ventilation.
Fig. 3 is the flow chart of the control method according to an embodiment of the invention for air conditioner indoor unit.Referring to Fig. 3,
The control method for air conditioner indoor unit 100 that controller by any of the above-described embodiment of the invention executes may include walking as follows
It is rapid:
Step S302: outdoor environment temperature and indoor environment temperature are obtained.
Step S304: judge indoor environment temperature compared to outdoor environment temperature whether closer to user's preferred temperature.
Step S306: if so, starting aeration device, and refrigeration is in First Heat Exchanger 144a and the second heat exchanger 144b
So that the temperature of the second heat exchanger 144b is lower than the temperature of First Heat Exchanger 144a when state, is changed in First Heat Exchanger 144a and second
Hot device 144b makes the temperature of the second heat exchanger 144b be higher than First Heat Exchanger 144a temperature when being in heating state, so that outdoor
Air is adequately exchanged heat, reduce the first air outlet and the second air outlet blowout air-flow the temperature difference, avoid user experience because
Outdoor air and room air the bring sense of discomfort there are the temperature difference.
Fig. 4 is the detail flowchart of the control method according to the preferred embodiment of the invention for air conditioner indoor unit.Referring to
Fig. 4, the control method for air conditioner indoor unit 100 of the invention may include following detailed step:
Step S402: the gas concentration lwevel of indoor environment is obtained.
Step S404: judge whether the gas concentration lwevel of indoor environment is more than or equal to preset concentration threshold value.If so, executing
Step S406；If it is not, return step S402.In this step, preset concentration threshold value can be 800~1000PPM.
Step S406: the air quality index of outdoor environment is obtained.In this step, air quality index can basis
GB3095-2012 is determined.
Step S408: judge whether the air quality index of outdoor environment is less than or equal to predetermined quality threshold.If so, executing
Step S410；If it is not, return step S402.In this step, predetermined quality threshold can be 50~100.
Step S410: indoor environment temperature, outdoor environment temperature and First Heat Exchanger 144a and the second heat exchanger are obtained
The working condition of 144b.
Step S412: judge whether First Heat Exchanger 144a and the second heat exchanger 144b freeze.If so, executing step
S414；If it is not, executing step S416.
Step S414: judge whether outdoor environment temperature is greater than indoor environment temperature.If so, executing step S418；If it is not,
Execute step S420.
Step S416: judge whether outdoor environment temperature is less than indoor environment temperature.If so, executing step S420；If it is not,
Execute step S418.
Step S418: starting aeration device, the temperature for adjusting First Heat Exchanger 144a and/or the second heat exchanger 144b make the
The temperature of two heat exchanger 144b is lower than the temperature of First Heat Exchanger 144a.
Step S420: starting aeration device, the temperature for adjusting First Heat Exchanger 144a and/or the second heat exchanger 144b make the
The temperature of two heat exchanger 144b is higher than the temperature of First Heat Exchanger 144a.Execute step S422.
Step S422: the gas concentration lwevel of indoor environment is obtained.
Step S424: judge whether the gas concentration lwevel of indoor environment is less than preset concentration threshold value.If so, executing step
S426；If it is not, return step S422.
Step S426: it closes aeration device and stops being indoor environment ventilation, and return step S402, beginning are next logical
Wind circulation.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of control method for air conditioner indoor unit, the air conditioner indoor unit includes the first breeze fan and the second air-supply wind
Machine, be respectively arranged at first breeze fan and the second breeze fan air intake road First Heat Exchanger and second heat exchange
Device and outdoor air is guided to second heat exchanger upstream aeration device；It is characterized in that, the control method
Include:
Obtain outdoor environment temperature and indoor environment temperature；
Judge the indoor environment temperature compared to the outdoor environment temperature whether closer to user's preferred temperature；
If so, start the aeration device, and make when the First Heat Exchanger and the second heat exchanger are in refrigerating state described
The temperature of second heat exchanger is lower than the temperature of the First Heat Exchanger；Heating is in the First Heat Exchanger and the second heat exchanger
The temperature of second heat exchanger is set to be higher than the temperature of the First Heat Exchanger when state.
2. control method according to claim 1, which is characterized in that further include:
If the outdoor environment temperature, closer to user's preferred temperature, starts described new compared to the indoor environment temperature
Wind apparatus, and it is lower than the temperature of the First Heat Exchanger when the First Heat Exchanger and the second heat exchanger are in refrigerating state
The temperature of second heat exchanger；Make first heat exchange when the First Heat Exchanger and the second heat exchanger are in heating state
The temperature of device is higher than the temperature of second heat exchanger.
3. control method according to claim 1 or 2, which is characterized in that
The temperature difference of the First Heat Exchanger and second heat exchanger is the outdoor environment temperature and the indoor environment temperature
The temperature difference 40%~60%.
4. control method according to claim 1 or 2, which is characterized in that
First breeze fan is identical as the revolving speed of second breeze fan.
5. control method according to claim 1, which is characterized in that the judgement indoor environment temperature is compared to institute
State outdoor environment temperature whether closer to the step of user's preferred temperature include:
Obtain the working condition of the First Heat Exchanger and the second heat exchanger；
If the First Heat Exchanger and the second heat exchanger are in refrigerating state, it is described to judge whether the outdoor environment temperature is greater than
Indoor environment temperature, if so, the indoor environment temperature is compared to the outdoor environment temperature closer to user's preferred temperature；
If the First Heat Exchanger and the second heat exchanger are in heating state, it is described to judge whether the outdoor environment temperature is less than
Indoor environment temperature, if so, the indoor environment temperature is compared to the outdoor environment temperature closer to user's preferred temperature.
6. control method according to claim 1, which is characterized in that the judgement indoor environment temperature is compared to institute
State outdoor environment temperature whether closer to the step of user's preferred temperature include:
Obtain user's preferred temperature；
Judge whether the indoor environment temperature and the temperature difference of user's preferred temperature are less than or equal to the outdoor environment temperature
With the temperature difference of user's preferred temperature；
If so, the indoor environment temperature is compared to the outdoor environment temperature closer to user's preferred temperature.
7. control method according to claim 1, which is characterized in that further include:
Obtain the gas concentration lwevel of indoor environment；
Judge whether the gas concentration lwevel is more than or equal to preset concentration threshold value；
If so, starting the aeration device.
8. control method according to claim 7, which is characterized in that further include:
Obtain the air quality index of outdoor environment；
Judge whether the air quality index is less than or equal to predetermined quality threshold；
If so, starting the aeration device；And/or
After the starting aeration device, the gas concentration lwevel of indoor environment is obtained；
Judge whether the gas concentration lwevel is less than the preset concentration threshold value；
If so, closing the aeration device.
9. a kind of air conditioner indoor unit, including the first breeze fan and the second breeze fan, it is respectively arranged at the first air-supply wind
The First Heat Exchanger and the second heat exchanger of the air intake road of machine and the second breeze fan and outdoor air is guided to described
The aeration device and controller of the upstream of second heat exchanger, which is characterized in that the controller is configured for perform claim
It is required that any control method of 1-8.
10. air conditioner indoor unit according to claim 9, which is characterized in that
The First Heat Exchanger and second heat exchanger are connected in parallel between compressor and outdoor heat exchanger；And
It is provided with flow valve between the First Heat Exchanger and/or second heat exchanger and the outdoor heat exchanger, to adjust
Cold medium flux ratio in the First Heat Exchanger and second heat exchanger, and then adjust the First Heat Exchanger and described second
The temperature of heat exchanger.
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| CN112577167A (en) * | 2020-12-09 | 2021-03-30 | 四川长虹空调有限公司 | Method for controlling rotating speed of double-fan motor during operation of air conditioner |
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