CN107655108B - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
- Publication number
- CN107655108B CN107655108B CN201710854045.9A CN201710854045A CN107655108B CN 107655108 B CN107655108 B CN 107655108B CN 201710854045 A CN201710854045 A CN 201710854045A CN 107655108 B CN107655108 B CN 107655108B
- Authority
- CN
- China
- Prior art keywords
- air
- indoor
- temperature
- indoor unit
- outdoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
Abstract
The invention provides an air conditioner and a control method of the air conditioner, wherein the air conditioner comprises the following components: an outdoor unit; the first indoor unit is connected with the outdoor unit and used for regulating and controlling the indoor environment temperature; at least one second indoor unit, which is arranged in the same room as the first indoor unit, is connected with the outdoor unit, is communicated with the outdoor environment, and is used for conveying outdoor air to the indoor space and regulating and controlling the temperature of the indoor environment; the second indoor unit includes: the air conditioner comprises a shell, a first air inlet and an air outlet are formed in the shell, and the air outlet faces indoors; the fan is arranged in the shell, and the air outlet side of the fan faces the air outlet; the heat exchanger is arranged in the shell and is positioned between the first air inlet and the air inlet side of the fan; the air flow entering the shell from the first air inlet passes through the heat exchanger and then enters the fan. The air conditioner provided by the invention has the advantages that on one hand, the energy consumption of the air conditioner is reduced, and on the other hand, the first indoor unit and the second indoor unit are simple in structure and small in size.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method of the air conditioner.
Background
At present, when people use the air conditioner, if the door and the window are not tightly closed, a large amount of energy consumption is wasted, however, the door and the window are tightly closed, the indoor air quality is deteriorated, the carbon dioxide concentration is increased, and the health of people is damaged; in addition, due to the fact that air quality is poor in most of domestic areas at present, haze is serious, people have to close doors and windows for a long time to avoid haze. To address this situation, fresh air systems are operated. However, the existing wall-mounted fresh air system is large in size, so that the attractiveness of home decoration is influenced; the temperature of the fresh air cannot be adjusted, so that the temperature difference between the fresh air and the air-conditioned room is large, and the use experience of a user is greatly influenced; on the other hand, in order to ensure the heat exchange effect of the air conditioner, a high-power compressor and a fan are generally adopted, but when the variable-frequency air conditioner is used by people, except for the fact that the room is rapidly temperature-regulated by using higher refrigerating capacity and high wind level when the air conditioner is started, the compressor is kept to operate at lower frequency in other times, and the fan is also kept to operate at lower rotating speed, so that the compressor is in high-frequency section and is in long-term idle state, meanwhile, the rotating speed range of the fan is larger, and the fan deviates from the optimal efficiency point in low wind level, and the energy consumption.
Disclosure of Invention
The invention aims to at least solve the technical problems that the air conditioner with the fresh air function in the prior art has overlarge volume and can not adjust the temperature of fresh air, the rotating speed of a compressor of the air conditioner is too low to deviate from the optimal efficiency point when the compressor is in a high-frequency section and is in a long-term idle state and a fan adopts a low wind gear, and the energy consumption of the air conditioner is influenced.
To this end, according to an embodiment of the first aspect of the present invention, the present invention provides an air conditioner capable of providing fresh air to a room.
According to a second aspect of the embodiment of the invention, the invention provides a control method of an air conditioner capable of controlling a fresh air function.
In view of the above, according to an embodiment of the first aspect of the present invention, the present invention provides an air conditioner, including: an outdoor unit; the first indoor unit is connected with the outdoor unit and used for regulating and controlling the indoor environment temperature; at least one second indoor unit, which is arranged in the same room as the first indoor unit, is connected with the outdoor unit, is communicated with the outdoor environment, and is used for conveying outdoor air to the indoor space and regulating and controlling the temperature of the indoor environment; the second indoor unit includes: the air conditioner comprises a shell, a first air inlet and an air outlet are formed in the shell, and the air outlet faces indoors; the fan is arranged in the shell, and the air outlet side of the fan faces the air outlet; the heat exchanger is arranged in the shell and is positioned between the first air inlet and the air inlet side of the fan; the air flow entering the shell from the first air inlet passes through the heat exchanger and then enters the fan.
On one hand, the air conditioner provided by the invention has the advantages that the indoor temperatures are adjusted together by arranging the indoor units in the same room, so that a plurality of temperature adjusting points are formed in the same room, and the cold quantity configuration of the first indoor unit is reduced, therefore, after the air conditioner is operated in full force to adjust the temperature rapidly, when the low-frequency operation is adopted, the compressor and the fan are still at a higher efficiency point, the condition that the compressor is operated at a too low frequency or the fan is operated at a too low rotating speed is avoided, and the energy consumption of the air conditioner is further reduced; on the other hand, because the second indoor set has the new trend function, can carry outdoor air to indoor in, and then can improve the air right amount of indoor environment, guaranteed people's healthy, and, independently form the second indoor set with the new trend system for both first indoor set and second indoor set are simple structure, small in size. Specifically, the working mode of the second indoor unit is as follows: the second indoor set leads in the new trend through first air intake to indoor, is carried the outdoor air by the fan and gets into indoorly to the new trend flows through the heat exchanger in advance before getting into indoorly, just so can adjust the temperature of new trend, with the travelling comfort of guaranteeing indoor ambient temperature.
In addition, the air conditioner in the above embodiment provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the second indoor unit further includes: and one end of the air pipe is connected with the first air inlet, and the other end of the air pipe is connected to the outdoor environment.
In this technical scheme, the second indoor set passes through the tuber pipe, by first air intake to indoor new trend of introducing, specifically, tuber pipe one end intercommunication is outdoor, and the other end is connected in first air intake department, because the second indoor set hangs in indoor, consequently, will carry outdoor air to indoor mutually, need set up the through-hole on indoor wall, fill the position of this through-hole by the tuber pipe to avoid the building raw materials of wall body to drop, and inhale in the second indoor set.
In any one of the above technical solutions, preferably, the second indoor unit further includes: and the filter screen is arranged at the first air inlet and used for filtering impurities and/or harmful gases in the air outside the filter chamber.
In this technical scheme, through setting up the filter screen in first air outlet department, realize the filtration to outdoor air, harmful impurity of filtering and harmful gas, for example: PM2.5, formaldehyde, benzene and the like, so as to avoid secondary pollution to indoor air and ensure the health of people.
In any one of the above technical solutions, preferably, the second indoor unit further includes: the at least one second air inlet is arranged on the shell and communicated with the indoor environment, and airflow entering the shell from the second air inlet enters the fan after passing through the heat exchanger; the at least one switch is respectively arranged on the at least one second air inlet and used for opening or closing the second air inlet; the baffle is arranged on one side of the filter screen and connected with the filter screen, and the baffle and the filter screen are movably arranged in the shell and used for opening or closing the first air inlet; the driving device is connected with the baffle and/or the filter screen, and the baffle is used for driving the baffle and the filter screen to move; the driving device drives the filter screen and the baffle plate to enable the filter screen to be matched with the first air inlet, and when the first air inlet is opened, the second air inlet is closed by the switch; the driving device drives the filter screen and the baffle plate to enable the baffle plate to be matched with the first air inlet, and when the first air inlet is closed, the second air inlet is opened through the switch.
In the technical scheme, the second air inlet is formed in the shell of the second indoor unit, indoor air is subjected to internal circulation, so that the second indoor unit has an external circulation and internal circulation double mode, and the application range of the air conditioner is widened. Specifically, when the second indoor unit adopts an external circulation mode, the baffle is driven by the driving device to be separated from the first air inlet, the first air inlet is shielded by the filter screen to realize the filtration of outdoor air, and the switch is closed to block the second air inlet so as to prevent indoor air from entering the shell and ensure the quality of fresh air; on the contrary, when the second indoor set adopted the inner loop mode, the filter screen broke away from first air intake through the drive arrangement drive, sheltered from first air intake by the baffle to it is indoor to avoid outdoor air to get into, and, the switch is opened, opens the second air intake, realizes carrying out the inner loop of heat transfer to the room air, guarantees heat exchange efficiency.
In any of the above technical solutions, preferably, the driving device is a first motor or a telescopic rod.
In this technical scheme, through the removal of first motor or telescopic link drive baffle and filter screen, realize the automated control to baffle and filter screen.
In any one of the above technical solutions, preferably, the second indoor unit further includes: the air quality detection device is arranged on the shell and used for detecting the air quality in the indoor environment; when the indoor ambient air quality exceeds a preset range, the first air inlet is opened, and the second air inlet is closed.
In the technical scheme, the indoor air quality is detected through an air quality detection device, when the indoor ambient air quality exceeds a preset range, the first air inlet is opened, the second air inlet is closed, and external circulation is carried out; on the contrary, when the indoor ambient air quality does not exceed the preset range, the first air inlet is closed, the second air inlet is opened, the internal circulation is carried out, and because the temperature of the indoor air is more average, and the temperature difference of the outdoor air is larger, different circulation modes are adopted according to different conditions, so that unnecessary energy consumption is avoided, and energy conservation and environmental protection are realized.
In any one of the above technical solutions, preferably, the second indoor unit further includes: the temperature detection device is arranged on the shell and used for detecting the outdoor environment temperature and the indoor environment temperature; when the air is conveyed to the indoor space from the outdoor environment, the temperature detection device detects that the temperature difference between the outdoor environment temperature and the indoor environment temperature is greater than or equal to the preset temperature difference, the heat exchanger works, and the temperature difference between the temperature of the air flow passing through the heat exchanger and the indoor environment temperature is adjusted to be smaller than the preset temperature difference.
In the technical scheme, the temperature difference between the outdoor temperature and the indoor temperature is detected through a temperature detection device, when the second indoor unit works in an external circulation mode, whether the temperature difference between the outdoor air temperature and the air temperature is smaller than a preset temperature difference or not is judged in advance, when the temperature difference between the outdoor air temperature and the air temperature is larger than or equal to the preset temperature difference, a compressor works, a heat exchanger adjusts the outdoor air, and the temperature difference between fresh air and the indoor air is smaller than the preset temperature difference, so that the comfort of the indoor environment temperature is ensured; when the temperature difference between the outdoor air temperature and the air temperature is rainy and the temperature difference is preset, the compressor works, the heat exchanger does not adjust the temperature of fresh air, and the fresh air directly enters through the fan, so that unnecessary energy consumption is avoided, and energy conservation and environmental protection are realized.
In any one of the above technical solutions, preferably, the fan includes: a multi-wing centrifugal duct; the impeller is arranged in the multi-wing centrifugal air duct; and the second motor is connected with the impeller and used for driving the impeller to rotate.
In the technical scheme, the air supply distance of the centrifugal fan is long, so that the second indoor unit can supply the air with the adjusted temperature to a farther position in a room through the centrifugal fan consisting of the multi-wing centrifugal air duct, the impeller and the second motor, the air circulation speed is improved, and the speed of adjusting the indoor environment temperature is increased.
In any of the above technical solutions, preferably, a value range of a ratio of the cooling capacity distributed by the outdoor unit to the first indoor unit and the cooling capacity distributed by the outdoor unit to the second indoor unit is greater than or equal to 0.5 and less than or equal to 3.
In the technical scheme, the value range of the ratio of the cold quantity distributed by the outdoor unit to the first indoor unit and the second indoor unit is set to be more than or equal to 0.5 and less than or equal to 3, so that the cold quantity configuration of the first indoor unit is ensured to be small, and after the air conditioner is operated in full power to perform quick temperature adjustment, when low-frequency operation is adopted, the compressor and the fan are still at a high efficiency point, so that the technical effect that the compressor is operated at a too low frequency or the fan is operated at a too low rotating speed is avoided.
In any one of the above technical solutions, preferably, the first indoor unit includes: the cross-flow fan adopts frequency conversion control.
In the technical scheme, the first indoor unit realizes the circulation of indoor air through the cross-flow fan controlled by frequency conversion, so that the airflow and the wind speed are uniformly distributed, and the speed of regulating the indoor environment temperature is increased.
According to a second aspect of the present invention, the present invention provides a control method for an air conditioner, which is used for the air conditioner, and the air conditioner includes a first indoor unit and a second indoor unit; the first indoor unit has an internal circulation function, and the second indoor unit has an internal circulation function and an external circulation function; the second indoor unit is provided with a temperature sensor for detecting the outdoor air temperature; and an air quality detection device for detecting the indoor air quality, the control method includes: when the temperature difference between the indoor temperature and the preset temperature is larger than or equal to a first preset temperature difference, the first indoor unit and the second indoor unit simultaneously supply air to the room and regulate the temperature in an internal circulation mode, so that the temperature difference between the indoor temperature and the preset temperature is smaller than the first preset temperature difference; when the temperature difference between the indoor temperature and the preset temperature is smaller than the first preset temperature difference, the second indoor unit closes the temperature adjusting function and detects the indoor air quality; and when the detected indoor air quality exceeds the preset range, the second indoor unit starts an external circulation function to convey outdoor air to the indoor space, so that the indoor air quality is in the preset range.
The control method of the air conditioner provided by the invention comprises the steps of firstly setting a preset temperature, simultaneously adopting full power to adjust and supply air to the indoor space by a first indoor unit and a second indoor unit when the temperature difference between the indoor temperature and the preset temperature is more than or equal to a first preset temperature difference, enabling the indoor temperature to quickly reach the preset temperature, after adjusting the temperature difference between the indoor temperature and the preset temperature to be less than the first preset temperature difference, closing the temperature adjusting function by the second indoor unit, detecting the indoor air quality, and when the detected indoor air quality exceeds the preset range, starting an external circulation function by the second indoor unit, conveying outdoor air to the indoor space, improving the indoor air quality, enabling the indoor air quality to be in the preset range, further realizing the quick adjustment of the indoor environment temperature by the air conditioner, and ensuring the indoor air quality, the health of people is ensured.
In the above technical solution, preferably, the method further includes: when the second indoor unit starts an external circulation function and conveys outdoor air to the indoor space, detecting the temperature of the outdoor air; when the temperature difference between the outdoor air temperature and the indoor temperature is greater than or equal to a second preset temperature difference, the second indoor unit adjusts the temperature of the outdoor air so that the temperature difference between the outdoor air temperature and the indoor temperature is smaller than the second preset temperature difference.
In this technical scheme, detect the temperature of outdoor air through temperature-detecting device, when the temperature difference between the temperature of outdoor air and the indoor temperature is more than or equal to the second and predetermines the temperature difference, the second indoor set carries out temperature regulation to the new trend, with the temperature regulation of new trend to and the indoor temperature between the temperature difference be less than the second and predetermine the temperature difference, and then guarantee indoor ambient temperature's stability, guaranteed people's comfort level.
In any of the above technical solutions, preferably, the second indoor unit off temperature adjusting function specifically includes: the second indoor unit closes the temperature adjusting function and closes the air supply function; or the second indoor unit closes the temperature adjusting function and keeps the air supply function.
In the technical scheme, when the temperature difference between the indoor temperature and the preset temperature is smaller than the first preset temperature difference, the second indoor unit can turn off the temperature adjusting function and turn off the air supply function; or the temperature adjusting function is closed, the air supply function is kept, and the two operation modes can be set by leaving a factory or selected by a user through remote control.
In any of the above technical solutions, preferably, the detecting the indoor air quality specifically includes: detecting the content of impurities in the indoor air; and/or detecting the content of harmful gases in the indoor air; wherein, at least one of the content of impurities in the indoor air and the content of harmful gases in the indoor air exceeds a preset range, and the second indoor unit starts the external circulation function.
In this solution, the general pollution to the air quality includes: solid impurity contamination and harmful gas contamination, for example: PM2.5 or carbon dioxide and the like, and the second indoor units with any standard exceeding of the PM2.5 or carbon dioxide open external circulation to introduce outdoor air into the room, so that the air quality of the indoor environment is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view illustrating an air conditioner according to an embodiment of the present invention installed in an interior of a house;
fig. 2 is a schematic view showing an air conditioner provided in an embodiment of the first aspect of the present invention installed outside a house;
fig. 3 is a schematic structural diagram illustrating an external circulation mode of a second indoor unit in the air conditioner according to the embodiment of the first aspect of the present invention;
fig. 4 is a sectional view of the second indoor unit shown in fig. 3 taken along the direction a-a;
fig. 5 is a cross-sectional view of the second indoor unit shown in fig. 3 taken along the direction B-B;
fig. 6 shows a left side view of the second indoor unit shown in fig. 3;
fig. 7 is a schematic structural diagram illustrating an internal circulation mode of a second indoor unit in an air conditioner according to an embodiment of the first aspect of the present invention;
fig. 8 is a cross-sectional view of the second indoor unit shown in fig. 7, taken along the direction C-C;
fig. 9 is a cross-sectional view of the second indoor unit shown in fig. 7, taken along the direction D-D;
fig. 10 shows a left side view of the second indoor unit shown in fig. 7;
fig. 11 is a flowchart illustrating a control method of an air conditioner according to an embodiment of a second aspect of the present invention;
fig. 12 is a flowchart illustrating a control method of an air conditioner according to another embodiment of the second aspect of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 10 is:
1 air conditioner, 10 outdoor units, 20 first indoor units, 30 second indoor units, 32 shells, 322 air outlets, 324 first air inlets, 326 second air inlets, 34 air pipes, 36 fans, 362 multi-wing centrifugal air ducts, 364 impellers, 366 second motors, 38 heat exchangers, 40 filter screens, 42 switches, 44 baffles and 46 air deflectors.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
An air conditioner 1 provided according to some embodiments of the present invention is described below with reference to fig. 1 to 10.
As shown in fig. 1 and 2, according to a first aspect of the present invention, there is provided an air conditioner 1, including: an outdoor unit 10; a first indoor unit 20 connected to the outdoor unit 10 for controlling an indoor ambient temperature; at least one second indoor unit 30 installed in the same room as the first indoor unit 20, connected to the outdoor unit 10, and communicating with the outdoor environment, for supplying outdoor air to the indoor space and controlling the temperature of the indoor environment; the second indoor unit 30 includes: a housing 32, wherein the housing 32 is provided with a first air inlet 324 and an air outlet 322, and the air outlet 322 faces indoors; the fan 36 is arranged in the shell 32, and the air outlet side of the fan 36 faces the air outlet 322; a heat exchanger 38 disposed within the housing 32 between the first air inlet 324 and the air inlet side of the fan 36; wherein, the airflow entering the housing 32 from the first air inlet 324 enters the fan 36 after passing through the heat exchanger 38.
On one hand, in the air conditioner 1 provided by the invention, the indoor temperatures are adjusted together by arranging the indoor units in the same room, so that a plurality of temperature adjusting points appear in the same room, and the cold quantity configuration of the first indoor unit 20 is reduced, therefore, after the air conditioner 1 is operated in full force to carry out rapid temperature adjustment, when the air conditioner is operated at low frequency, the compressor and the fan 36 are still at higher efficiency points, the condition that the compressor is operated at too low frequency or the fan is operated at too low rotating speed is avoided, and the energy consumption of the air conditioner 1 is further reduced; on the other hand, the second indoor unit 30 has a fresh air function, so that outdoor air can be delivered to the indoor, and then a proper amount of air in an indoor environment can be improved, so that the health of people is guaranteed, and the first indoor unit 20 and the second indoor unit 30 are simple in structure and small in size. Specifically, the second indoor unit 30 is hung indoors through the casing 32, a through hole is formed in a position on the indoor wall, which is matched with the first air inlet 324, outdoor air is conveyed into the room by the fan 36, and fresh air flows through the heat exchanger 38 before entering the room, so that the temperature of the fresh air can be adjusted, and the comfort of the indoor environment temperature is ensured.
For example: when the air conditioner 1 is just started, the first indoor unit 20 and the second indoor unit 30 simultaneously adopt the maximum heat exchange amount to adjust the indoor environment temperature, after the indoor temperature quickly reaches the target temperature, the frequency of the compressor is reduced, and the compressor operates at low frequency, so that the cold amount configuration of the first indoor unit 20 is reduced, after the air conditioner 1 is operated fully to quickly adjust the temperature, the compressor cannot operate at too low frequency, the fan cannot operate at too low rotating speed, the compressor and the fan are still at higher efficiency points, and the energy consumption of the air conditioner 1 is further reduced.
In an embodiment of the present invention, preferably, as shown in fig. 3 to 10, the second indoor unit 30 further includes: the air duct 34 has one end connected to the first air inlet 324 and the other end connected to the outdoor environment.
In this embodiment, the second indoor unit 30 is hung indoors through the casing 32, and a through hole is formed in an indoor wall to install the air duct 34, so that fresh air is introduced into the room through the air duct 34 from the first air inlet 324, and the air duct is used to fill up the through hole, so that building materials on the wall are prevented from falling off and being sucked into the second indoor unit.
In an embodiment of the present invention, preferably, as shown in fig. 4, 5, 8 to 10, the second indoor unit 30 further includes: and a filter screen 40 disposed at the first air inlet 324 for filtering foreign substances and/or harmful gas in the outdoor air.
In this embodiment, through set up HEPA filter screen 40 at first air outlet 322, realize the filtration to outdoor air, filter harmful impurity and harmful gas, for example: PM2.5, etc. to avoid the secondary pollution to the indoor air, in order to guarantee people's health, and, can also add active carbon in the filter screen 40, in order to filter harmful gas such as formaldehyde, benzene, ammonia in the air.
In an embodiment of the present invention, preferably, as shown in fig. 4 to 6 and 8 to 10, the second indoor unit 30 further includes: at least one second air inlet 326, which is disposed on the housing 32, is communicated with the indoor environment, and the air flow entering the housing 32 from the second air inlet 326 enters the fan 36 after passing through the heat exchanger 38; at least one switch 42 respectively disposed on the at least one second air inlet 326 for opening or closing the second air inlet 326; the baffle 44 is arranged on one side of the filter screen 40 and connected with the filter screen 40, the baffle and the filter screen 40 are movably arranged in the shell 32, and the baffle is used for opening or closing the first air inlet 324; the driving device is connected with the baffle 44 and/or the filter screen 40 and is used for driving the baffle 44 and the filter screen 40 to move; the driving device drives the filter screen 40 and the baffle 44, so that the filter screen 40 is matched with the first air inlet 324, and when the first air inlet 324 is opened, the switch 42 closes the second air inlet 326; the driving device drives the filter screen 40 and the baffle 44 to make the baffle 44 fit with the first air inlet 324, and when the first air inlet 324 is closed, the switch 42 opens the second air inlet 326.
In this embodiment, the second air inlet 326 is disposed on the casing 32 of the second indoor unit 30 to perform internal circulation on the indoor air, so that the second indoor unit 30 has two modes of external circulation and internal circulation, thereby improving the application range of the air conditioner 1. Specifically, when the second indoor unit 30 adopts the external circulation mode, the baffle 44 is driven by the driving device to be separated from the first air inlet 324, the first air inlet 324 is shielded by the filter screen 40 to filter the outdoor air, and the switch 42 is closed to block the second air inlet 326 to prevent the indoor air from entering the casing 32, so as to ensure the quality of fresh air; on the contrary, when the second indoor unit 30 adopts the internal circulation mode, the filter screen 40 is driven by the driving device to be separated from the first air inlet 324, the baffle 44 shields the first air inlet 324 to prevent the outdoor air from entering the room, and the switch 42 is opened to open the second air inlet 326, so as to realize the internal circulation for exchanging heat with the indoor air, thereby ensuring the heat exchange efficiency. Wherein, preferably, the second air inlet 326 is opened at the top and both sides of the housing 32.
In one embodiment of the invention, optionally, the drive means is a first motor.
In this embodiment, the first motor drives the movement of the baffle 44 and the screen 40, so as to realize the automatic control of the baffle 44 and the screen 40.
In another embodiment of the invention, optionally, the motive device is a telescopic rod.
In this embodiment, the telescopic rod drives the baffle 44 and the filter screen 40 to move, so as to realize automatic control of the baffle 44 and the filter screen 40.
In one embodiment of the present invention, preferably, the second indoor unit 30 further includes: the air quality detection device is arranged on the outer wall of the shell 32 and used for detecting the air quality in the indoor environment; when the indoor ambient air quality exceeds the preset range, the first air inlet 324 is opened, and the second air inlet 326 is closed.
In this embodiment, the air quality detection device detects the indoor air quality, and when the indoor ambient air quality exceeds a preset range, the first air inlet 324 is opened, and the second air inlet 326 is closed, so as to perform an external circulation; on the contrary, when the indoor ambient air quality does not exceed the preset range, the first air inlet 324 is closed, the second air inlet 326 is opened, the internal circulation is performed, and because the temperature of the indoor air is relatively average and the temperature difference of the outdoor air is relatively large, different circulation modes are adopted according to different conditions, so that unnecessary energy consumption is avoided, and energy conservation and environmental protection are realized.
In a particular embodiment, an air quality detection device may also be disposed at the second air intake 326.
In one embodiment of the present invention, preferably, the second indoor unit 30 further includes: a temperature detection device disposed in the air duct 34 for detecting an outdoor ambient temperature and an indoor ambient temperature; when air is delivered to the room from the outdoor environment, the temperature detection device detects that the temperature difference between the outdoor environment temperature and the indoor environment temperature is greater than or equal to the preset temperature difference, the heat exchanger 38 works, and the temperature difference between the temperature of the air flow passing through the heat exchanger 38 and the indoor environment temperature is adjusted to be smaller than the preset temperature difference.
In this embodiment, the temperature difference between the outdoor temperature and the indoor temperature is detected by the temperature detection device, and when the second indoor unit 30 operates by external circulation, it is determined in advance whether the temperature difference between the outdoor air temperature and the air temperature is smaller than a preset temperature difference, wherein when the temperature difference between the outdoor air temperature and the air temperature is greater than or equal to the preset temperature difference, the compressor operates, the heat exchanger 38 adjusts the outdoor air so that the temperature difference between the fresh air and the indoor air is smaller than the preset temperature difference, thereby ensuring the comfort of the indoor ambient temperature; when the temperature difference between the outdoor air temperature and the air temperature is rainy and the temperature difference is preset, the compressor works, the heat exchanger 38 does not adjust the temperature of fresh air, and the fresh air directly enters through the fan 36, so that unnecessary energy consumption is avoided, and energy conservation and environmental protection are realized.
In an exemplary embodiment, the temperature detecting device may also be disposed at the first air inlet 324.
In an embodiment of the present invention, as shown in fig. 3, 4, 6 to 8, and 10, the second indoor unit 30 further preferably includes: the air deflector 46 is arranged at the air outlet 322 in an openable and closable manner.
In this embodiment, the user can autonomously adjust the rotation angle of the air deflector 46 by a remote controller to obtain the air outlet direction desired by the user.
In one embodiment of the present invention, preferably, as shown in fig. 4 to 6 and 8 to 10, the air pipe 34 is a circular pipe, and the outer diameter of the air pipe 34 is less than or equal to 75 mm.
In this embodiment, the outer diameter of the air pipe 34 with the cylindrical structure is set to be less than or equal to 75 millimeters, so that noise generated when air flow passes through the air pipe 34 is reduced, noise pollution is avoided, and user experience is improved.
In one embodiment of the present invention, preferably, as shown in fig. 4, 5, 8, and 9, the fan 36 includes: a multi-wing centrifugal duct 362; an impeller 364 disposed within the multi-wing centrifugal duct 362; the second motor 366 is connected to the impeller 364 for driving the impeller 364 to rotate.
In this embodiment, the centrifugal fan 36 has a long air supply distance, so that the second indoor unit 30 can send the air after temperature adjustment to a longer room position through the centrifugal fan formed by the multi-blade centrifugal air duct 362, the impeller 364 and the second motor 366, thereby increasing the air circulation speed and increasing the speed of adjusting the indoor environment temperature.
In one embodiment of the present invention, the second motor 366 is preferably controlled using fixed frequency multiple gears.
In this embodiment, the production cost of the air conditioner 1 is reduced by controlling the second motor 366 at a constant frequency. For example, three-gear control is adopted, namely a strong wind gear, a medium wind gear and a weak wind gear; two gears are adopted for control, namely a strong wind gear and a weak wind gear.
In one embodiment of the present invention, it is preferable that a ratio of the cooling capacity distributed to the first indoor unit 20 and the second indoor unit 30 by the outdoor unit 10 has a range of 0.5 or more and 3 or less.
In this embodiment, the value range of the ratio of the cooling capacity distributed by the outdoor unit 10 to the first indoor unit 20 and the cooling capacity distributed to the second indoor unit 30 is set to be greater than or equal to 0.5 and less than or equal to 3, so that the cooling capacity of the first indoor unit 20 is ensured to be small, and after the air conditioner 1 is operated fully to perform rapid temperature adjustment, and when the air conditioner is operated at low frequency, the compressor and the fan 36 are still at a high efficiency point, thereby avoiding the technical effect that the compressor is operated at too low frequency or the fan 36 is operated at too low rotation speed. Here, it is preferable that the range of the ratio of the cooling capacity distributed by the outdoor unit 10 to the first indoor unit 20 and the cooling capacity distributed to the second indoor unit 30 is 1 or more and 2 or less.
In one embodiment of the present invention, preferably, the first indoor unit 20 includes: the cross-flow fan adopts frequency conversion control.
In this embodiment, the first indoor unit 20 realizes circulation of indoor air by a cross-flow fan controlled by a variable frequency, so that airflow and wind speed are uniformly distributed, and the speed of adjusting the indoor environment temperature is increased.
Of course, in the specific embodiment, the first indoor unit 20 may also use other fans to circulate the airflow.
The invention provides an air conditioner 1, as shown in fig. 1 and fig. 2, indoor units are divided into a first indoor unit 20 and n (n is more than or equal to 1 and less than or equal to 3) second indoor units 30, a multi-split technology is adopted, an outdoor unit 10 of the air conditioner 1 is used for carrying out cooling capacity distribution control, and each indoor unit can respectively and independently operate to complete various tasks. The first indoor unit 20 focuses on indoor temperature adjustment and maintenance, adopts a through-flow air duct system design, and has the maximum refrigerating capacity of 1/2-2/3 of the maximum refrigerating capacity of the whole air conditioning system; the second indoor unit 30 can complete the work of auxiliary temperature adjustment, indoor air circulation, fresh air introduction, temperature adjustment of fresh air and the like, adopts a multi-wing centrifugal air duct 362 system design, can be selectively installed by 1 to 3 according to the room area, the pattern and the like, and has the maximum refrigerating capacity of 1/3 to 1/2 of the maximum refrigerating capacity of the whole system.
In this embodiment, the second indoor unit 30 has two operation states including: fresh air outer circulation changes state and inner loop state, four kinds of operating modes, including single fresh air mode, fresh air mode of adjusting temperature, single temperature mode, air supply mode, it can form multiple air current organization form with the cooperation of first indoor set 20:
when the difference between the indoor temperature and the set temperature of the air conditioner 1 is large, for example: when the air conditioner is started and rapid temperature rise/fall is needed, the first indoor unit 20 is started in the maximum cooling capacity and highest air mode, the second indoor unit 30 is started in the single temperature regulation, maximum cooling capacity and highest air mode, and the centrifugal fan 36 is adopted in the second indoor unit 30, so that the air supply distance is long, the air after temperature regulation can be sent to a farther position of a room, the air circulation speed is improved, and the purpose of rapid refrigeration can be achieved by the indoor unit compared with the indoor unit in the related technology.
After the temperature reaches the set temperature, the second indoor unit 30 can completely close or open the air supply mode, the first indoor unit 20 continues to operate to maintain the indoor temperature, and the cold quantity of the first indoor unit 20 is smaller than that of the indoor units in the related technology, so that the change range of the rotating speed of the fan is smaller, and the fan can operate at a higher efficiency point.
After the air conditioner operates for a period of time in a closed environment, a fresh air mode can be started, and fresh air is sent into a room to carry out air quality adjustment; if the outdoor temperature difference and the indoor temperature difference are large, the distribution capacity of the compressor to the auxiliary machine can be controlled again at the moment, so that the fresh air is subjected to temperature adjustment through the heat exchanger 38 until no obvious temperature difference (the temperature difference is less than 3 ℃) exists between the fresh air and the indoor space, and a fresh air temperature adjustment mode is started.
In one embodiment of the present invention, an air conditioner 1 system includes: an outdoor unit 10, a first indoor unit 20, and a second indoor unit 30. The whole air conditioning system is regulated and controlled by adopting a frequency conversion one-driving-two technology, and the first indoor unit 20 and the second indoor unit 30 can work independently or jointly. The first indoor unit 20 and the second indoor unit 30 are respectively installed on the top of the indoor wall surface of the same room, the height of the first indoor unit is the same as that of the split air conditioner 1 in the related art, the second indoor unit 30 needs to be installed on the outer wall surface, a hole needs to be formed in the wall surface, the diameter D of the hole is designed according to the requirements of fresh air volume and noise, and preferably, D is less than or equal to 75 mm.
The outdoor unit 10 and the first indoor unit 20 correspond to a related art household air conditioner design, and the second indoor unit 30 includes: a second motor 366, a high-pressure centrifugal wind wheel and its volute, a heat exchanger 38 and its matching sealing plate, a removable high-removal-rate HEPA filter screen 40 and a matching baffle 44 which can slide up and down with the HEPA filter screen 40, an air pipe 34 which passes through the wall and communicates with the outdoor, a shell 32 with second air inlets 326 on three sides, a first door opening and closing, a second door opening and closing, a third door opening and closing which can rotate 90 degrees and respectively match with the second air inlets 326 on three sides, and an air deflector 46 which can adjust the wind direction.
In the fresh air operation mode of the second indoor unit 30, at this time, the first to third opening and closing doors are respectively rotated to positions parallel to the side wall of the housing 32, and the second air inlets 326 on three sides are respectively blocked, so that indoor airflow cannot enter the system of the second indoor unit 30; the HEPA filter screen 40 slides to the first air inlet 324, the centrifugal fan 36 is started, outdoor air is filtered by the HEPA filter screen, enters the centrifugal fan 36 through the heat exchanger 38 to be accelerated and pressurized, and is sent into the room through the air outlet 322, and at the moment, whether the compressor can convey air to the second indoor unit 30 or not is selected according to the outdoor environment temperature, so that fresh air temperature adjustment is carried out. The fresh air entering the room forms local micro-positive pressure indoors, so that the original indoor low-quality air is discharged outdoors through door seams and window seams.
In the temperature adjusting, air supplying and air circulating mode of the second indoor unit 30, at this time, the opening and closing doors are rotated one to three times to the position perpendicular to the wall surface of the housing, the second air inlet 326 on three sides is opened, indoor air flow can enter the system of the second indoor unit 30, meanwhile, the HEPA filter screen 40 slides downwards until the baffle 44 completely shields the air pipe 34 and the first air outlet 322, outdoor fresh air cannot enter the room, the air flow mode of the second indoor unit 30 is changed from fresh air external circulation to internal circulation, and at this time, whether the compressor can convey the capacity to the second indoor unit 30 or not can be selected according to the current use scene.
In the embodiment, the air conditioner 1 includes: one outdoor unit 10 can distribute and convey capacity to the first indoor unit 20 and the second indoor unit 30, respectively. The first indoor unit is designed by adopting a traditional through-flow air duct, the length of a wind wheel is smaller than that of the wind wheel of the indoor unit of the air conditioner 1 in the related technology, the specific length is determined by the length and the arrangement mode of a heat exchanger, a direct-current motor is selected as the motor, the motor is controlled by adopting a frequency conversion technology type, and about 2/3 of the total refrigerating capacity of the air conditioner 1 is provided in a quick refrigerating state; and the indoor environment temperature is in charge of controlling the change of the indoor environment temperature in a maintaining state, and the change of the indoor temperature is ensured to be +/-0.5 ℃. The second indoor unit 30 adopts a fixed-frequency motor controlled by two gears, the rotating speeds of the two gears are set according to the fresh air volume when one person and two persons are in the room respectively, and the second indoor unit is responsible for providing the rest of the whole refrigerating capacity in a quick refrigerating state; under the room temperature maintaining state, the air conditioner can be selected to be completely closed or an air supply mode is selected to promote the circulation of indoor air; when air quality adjustment is needed, the three switches 42 are used for isolating the indoor second air inlet 326, moving the filter screen 40 and the baffle 44, opening the first air inlet 324 for supplying fresh air, completing the conversion from the internal circulation mode to the fresh air external circulation mode, and selecting whether the fresh air needs to be cooled or heated according to the indoor and outdoor temperature difference.
The heat exchanger 38 divides the housing 32 into two cavities in the housing 32, one cavity is provided with the fan 36 and the air outlet 322, and the other cavity is provided with the baffle 44, the filter screen 40, the first air inlet 324 and the second air inlet 326.
Fig. 11 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the second aspect of the present invention.
As shown in fig. 11, a control method of an air conditioner according to an embodiment of a second aspect of the present invention includes:
and step 1110, the second indoor unit starts an external circulation function to convey outdoor air to the indoor space, so that the indoor air quality is within a preset range.
The control method of the air conditioner provided by the invention comprises the steps of firstly setting a preset temperature, simultaneously adopting full power to adjust and supply air to the indoor space by a first indoor unit and a second indoor unit when the temperature difference between the indoor temperature and the preset temperature is more than or equal to a first preset temperature difference, so as to enable the indoor temperature to quickly reach the preset temperature, turning off the temperature adjusting function by the second indoor unit after the temperature difference between the indoor temperature and the preset temperature is adjusted to be less than the first preset temperature difference, detecting the indoor air quality, turning on the external circulation function by the second indoor unit when the detected indoor air quality exceeds the preset range, conveying the outdoor air to the indoor space, improving the indoor air quality, enabling the indoor air quality to be within the preset range, further realizing the quick adjustment of the indoor environment temperature by the air conditioner, and ensuring the indoor air quality, the health of people is ensured.
Fig. 12 is a flowchart illustrating a control method of an air conditioner according to another embodiment of the second aspect of the present invention.
As shown in fig. 12, another embodiment of the second aspect of the present invention provides a method for controlling an air conditioner, including:
step 1202, when the temperature difference between the indoor temperature and the preset temperature is larger than or equal to a first preset temperature difference, the first indoor unit and the second indoor unit supply air to the indoor space and adjust the temperature in an internal circulation mode, so that the temperature difference between the indoor temperature and the preset temperature is smaller than the first preset temperature difference;
1212, determining that the temperature difference between the outdoor air temperature and the indoor temperature is greater than or equal to a second preset temperature difference, and if the determination result is yes, executing 1216; when the judgment result is no, go to step 1214;
1214, starting an external circulation function by the second indoor unit, and conveying outdoor air to the indoor so that the content of impurities in the indoor air and the content of harmful gases in the indoor air are within a preset range;
and step 1216, adjusting the temperature of the outdoor air by the second indoor unit, so that the temperature difference between the temperature of the outdoor air and the indoor temperature is smaller than a second preset temperature difference, and then conveying the outdoor air to the indoor so that the content of impurities in the indoor air and the content of harmful gases in the indoor air are within a preset range.
The control method of the air conditioner provided by the invention comprises the steps that a preset temperature is set in advance, when the temperature difference between the indoor temperature and the preset temperature is larger than or equal to a first preset temperature difference, the first indoor unit and the second indoor unit adopt full power to carry out indoor temperature adjustment and air supply simultaneously so as to enable the indoor temperature to reach the preset temperature quickly, and after the temperature difference between the indoor temperature and the preset temperature is adjusted to be smaller than the first preset temperature difference, according to the selection of a user, the second indoor unit closes the temperature adjustment function and closes the air supply function; or the second indoor unit closes the temperature adjusting function, keeps the air supply function, and detects the impurity content in the air and the harmful gas content in the indoor air, such as: PM2.5 or carbon dioxide and the like, and the second indoor units with any standard exceeding of the PM2.5 or carbon dioxide open external circulation to introduce outdoor air into the room, so that the air quality of the indoor environment is improved.
Among them, preferably, the air quality detection means detects the content of PM2.5 and the content of carbon dioxide in the indoor air. Specifically, the allowable content of PM2.5 is, less than 35 milligrams per cubic meter; the allowable content of carbon dioxide is less than 1100PPM, and when the content of PM2.5 reaches or exceeds 35 milligrams per cubic meter and/or the content of carbon dioxide reaches or exceeds 1100PPM, the second indoor unit starts an external circulation function to introduce outdoor fresh air into the room.
In one embodiment of the present invention, preferably, the second preset temperature difference is 3 degrees celsius.
In a specific embodiment, after the temperature difference between the outdoor air temperature and the indoor temperature is judged to be greater than or equal to the second preset temperature difference, the magnitude relation between the outdoor air temperature and the indoor temperature is judged so as to determine that the heat exchanger adopts a cooling mode or a heating mode.
In particular embodiments, the outer loop function may also be initiated periodically.
In summary, in the air conditioner 1 provided by the present invention, on one hand, the indoor temperatures are adjusted together by arranging the plurality of indoor units in the same room, so that a plurality of temperature adjustment points are present in the same room, and the cooling capacity configuration of the first indoor unit 20 is reduced, therefore, after the air conditioner is operated in full power to perform rapid temperature adjustment, when the air conditioner is operated in low frequency, the compressor and the fan are still at a higher efficiency point, and the compressor is prevented from being operated in too low frequency or the fan is prevented from being operated in too low rotation speed, thereby reducing the energy consumption of the air conditioner 1; on the other hand, the second indoor unit 30 has a fresh air function, so that outdoor air can be delivered to the indoor, and then a proper amount of air in an indoor environment can be improved, so that the health of people is guaranteed, and the first indoor unit 20 and the second indoor unit 30 are simple in structure and small in size.
The control method of the air conditioner provided by the invention comprises the steps of firstly setting a preset temperature, simultaneously adopting full power to adjust and supply air to the indoor space by a first indoor unit and a second indoor unit when the temperature difference between the indoor temperature and the preset temperature is more than or equal to a first preset temperature difference, so as to enable the indoor temperature to quickly reach the preset temperature, turning off the temperature adjusting function by the second indoor unit after the temperature difference between the indoor temperature and the preset temperature is adjusted to be less than the first preset temperature difference, detecting the indoor air quality, turning on the external circulation function by the second indoor unit when the detected indoor air quality exceeds the preset range, conveying the outdoor air to the indoor space, improving the indoor air quality, enabling the indoor air quality to be within the preset range, further realizing the quick adjustment of the indoor environment temperature by the air conditioner, and ensuring the indoor air quality, the health of people is ensured.
In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounting", "connecting", "fixing" and the like are to be interpreted broadly, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An air conditioner, comprising:
an outdoor unit;
the first indoor unit is connected with the outdoor unit and used for regulating and controlling the indoor environment temperature;
at least one second indoor unit, which is arranged in the same room as the first indoor unit, is connected with the outdoor unit, is communicated with the outdoor environment, and is used for conveying outdoor air to the indoor space and regulating and controlling the temperature of the indoor environment;
the second indoor unit includes:
the air conditioner comprises a shell, a first air inlet and an air outlet are formed in the shell, and the air outlet faces indoors;
the fan is arranged in the shell, and the air outlet side of the fan faces the air outlet;
the heat exchanger is arranged in the shell and positioned between the first air inlet and the air inlet side of the fan;
the air flow entering the shell from the first air inlet passes through the heat exchanger and then enters the fan;
the second indoor unit further includes:
the filter screen is arranged at the first air inlet and used for filtering impurities and/or harmful gases in the air outside the filter chamber;
the second indoor unit further includes:
the at least one second air inlet is arranged on the shell, is communicated with the indoor environment, and allows airflow entering the shell from the second air inlet to enter the fan after passing through the heat exchanger;
the at least one switch is respectively arranged on the at least one second air inlet and is used for opening or closing the second air inlet;
the baffle is arranged on one side of the filter screen and connected with the filter screen, the baffle and the filter screen are movably arranged in the shell, and the baffle is used for opening or closing the first air inlet;
the driving device is connected with the baffle and/or the filter screen and is used for driving the baffle and the filter screen to move;
the driving device drives the filter screen and the baffle plate to enable the filter screen to be matched with the first air inlet, and when the first air inlet is opened, the switch closes the second air inlet;
the drive arrangement drive the filter screen with the baffle makes the baffle with first air intake looks adaptation, when first air intake was closed, the switch was opened the second air intake.
2. The air conditioner according to claim 1, wherein the second indoor unit further includes:
and one end of the air pipe is connected with the first air inlet, and the other end of the air pipe is connected to the outdoor environment.
3. The air conditioner according to claim 1,
the driving device is a first motor or a telescopic rod.
4. The air conditioner according to claim 1, wherein the second indoor unit further includes:
the air quality detection device is arranged on the shell and used for detecting the air quality in the indoor environment;
when the indoor ambient air quality exceeds a preset range, the first air inlet is opened, and the second air inlet is closed.
5. The air conditioner according to any one of claims 2 to 4, wherein the second indoor unit further includes:
the temperature detection device is arranged on the shell and used for detecting the outdoor environment temperature and the indoor environment temperature;
when the air is conveyed to the indoor space from the outdoor environment, the temperature detection device detects that the temperature difference between the outdoor environment temperature and the indoor environment temperature is greater than or equal to the preset temperature difference, the heat exchanger works to adjust the temperature of the air flow passing through the heat exchanger and the temperature difference between the indoor environment temperature to be smaller than the preset temperature difference.
6. The air conditioner according to any one of claims 2 to 4,
the fan includes:
a multi-wing centrifugal duct;
the impeller is arranged in the multi-wing centrifugal air duct;
and the second motor is connected with the impeller and used for driving the impeller to rotate.
7. The air conditioner according to any one of claims 1 to 4,
the value range of the ratio of the cold quantity distributed by the outdoor unit to the first indoor unit and the cold quantity distributed by the outdoor unit to the second indoor unit is more than or equal to 0.5 and less than or equal to 3.
8. The air conditioner according to any one of claims 1 to 4, wherein the first indoor unit includes:
and the cross-flow fan is controlled by adopting frequency conversion.
9. A control method of an air conditioner is used for the air conditioner, and the air conditioner comprises a first indoor unit and a second indoor unit; the first indoor unit has an internal circulation function, and the second indoor unit has an internal circulation function and an external circulation function; the second indoor unit is provided with a temperature sensor for detecting the temperature of outdoor air; and an air quality detecting device for detecting the indoor air quality, wherein the control method comprises:
when the temperature difference between the indoor temperature and the preset temperature is larger than or equal to a first preset temperature difference, the first indoor unit and the second indoor unit simultaneously supply air to the room and regulate the temperature in an internal circulation mode, so that the temperature difference between the indoor temperature and the preset temperature is smaller than the first preset temperature difference;
when the temperature difference between the indoor temperature and the preset temperature is smaller than the first preset temperature difference, the second indoor unit closes the temperature adjusting function and detects the indoor air quality;
and when the detected indoor air quality exceeds a preset range, the second indoor unit starts an external circulation function and conveys outdoor air to the indoor space, so that the indoor air quality is in the preset range.
10. The control method of an air conditioner according to claim 9, further comprising:
when the second indoor unit starts an external circulation function and conveys the outdoor air to the indoor space, detecting the temperature of the outdoor air;
when the temperature difference between the outdoor air temperature and the indoor temperature is larger than or equal to a second preset temperature difference, the second indoor unit adjusts the temperature of the fresh air, so that the temperature difference between the fresh air temperature and the indoor temperature is smaller than the second preset temperature difference.
11. The method according to claim 9 or 10, wherein the second indoor unit turns off the temperature adjustment function specifically includes:
the second indoor unit closes the temperature adjusting function and closes the air supply function; or
And the second indoor unit closes the temperature adjusting function and keeps the air supply function.
12. The method for controlling an air conditioner according to claim 9 or 10, wherein the detecting the indoor air quality specifically includes:
detecting the content of impurities in the indoor air; and/or
Detecting the content of harmful gases in the indoor air;
and when at least one of the content of impurities in the indoor air and the content of harmful gases in the indoor air exceeds the preset range, the second indoor unit starts an external circulation function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854045.9A CN107655108B (en) | 2017-09-20 | 2017-09-20 | Air conditioner and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854045.9A CN107655108B (en) | 2017-09-20 | 2017-09-20 | Air conditioner and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107655108A CN107655108A (en) | 2018-02-02 |
| CN107655108B true CN107655108B (en) | 2020-11-10 |
Family
ID=61129880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710854045.9A Active CN107655108B (en) | 2017-09-20 | 2017-09-20 | Air conditioner and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107655108B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489033A (en) * | 2018-03-07 | 2018-09-04 | 广东美的制冷设备有限公司 | Adjustment control method, air regulator and the readable storage medium storing program for executing of room air |
| CN108731197A (en) * | 2018-04-20 | 2018-11-02 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner and its control method |
| CN109059166A (en) * | 2018-09-30 | 2018-12-21 | 珠海格力电器股份有限公司 | Aeration device and air conditioner with it |
| CN111174323B (en) * | 2018-10-24 | 2021-11-23 | 青岛海尔空调器有限总公司 | Control method and device for movable air conditioner |
| CN110118415A (en) * | 2019-05-17 | 2019-08-13 | 青岛海尔空调器有限总公司 | Air conditioning system |
| CN110762623A (en) * | 2019-11-08 | 2020-02-07 | 珠海格力电器股份有限公司 | Cabinet air conditioner, air conditioner and control method of air conditioner |
| CN113251565A (en) * | 2021-06-04 | 2021-08-13 | 珠海格力电器股份有限公司 | Air conditioner air outlet control method and device, storage medium, processor and air conditioner |
| CN113587238A (en) * | 2021-09-01 | 2021-11-02 | 美的集团武汉暖通设备有限公司 | Air conditioner indoor unit, control method, control device, air conditioner and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773537Y (en) * | 2005-03-18 | 2006-04-19 | 广东科龙电器股份有限公司 | Air outlet device of air conditioner |
| JP2013155942A (en) * | 2012-01-31 | 2013-08-15 | Kubota Corp | Static desiccant air conditioner and operation method |
| CN204006551U (en) * | 2014-07-03 | 2014-12-10 | 南京师范大学 | Adjustable air volume air port |
| CN104456797A (en) * | 2014-12-08 | 2015-03-25 | 嘉兴奥塔尔电气科技有限公司 | Ceiling embedded type intelligent kitchen air conditioner |
| CN106524312A (en) * | 2016-12-26 | 2017-03-22 | 四川艾巴适环境科技有限公司 | Intelligent fan-coil purifying box |
| CN106765732A (en) * | 2017-02-20 | 2017-05-31 | 广东美的环境电器制造有限公司 | Humidifying air purifier |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2819087Y (en) * | 2005-08-19 | 2006-09-20 | 朱怡光 | Air conditioner |
| EP2072921B1 (en) * | 2007-12-04 | 2017-04-19 | Woongjin Coway Co., Ltd. | Apparatus for purifying and humidifying air |
| TW201131127A (en) * | 2010-03-09 | 2011-09-16 | Yi-Xiong Lin | Automatic cleaned indoor air conditioner |
| CN102434944A (en) * | 2011-05-09 | 2012-05-02 | 刘华荣 | Household energy-saving fresh air system of linkage air conditioner |
| CN203083022U (en) * | 2013-01-17 | 2013-07-24 | 刘华荣 | Split-type energy-saving air conditioner |
| CN103307713B (en) * | 2013-05-28 | 2016-06-15 | 广东美的制冷设备有限公司 | Windy shelves method for controlling number of revolution and device |
| JP6365967B2 (en) * | 2013-11-13 | 2018-08-01 | パナソニックＩｐマネジメント株式会社 | Environmental control device and environmental control system |
| JP2015151363A (en) * | 2014-02-14 | 2015-08-24 | 住友化学株式会社 | Animal ectoparasite control composition |
| CN103822306B (en) * | 2014-03-03 | 2016-04-20 | 安阳振动器有限责任公司 | Split type air purification fresh air |
| CN204141786U (en) * | 2014-05-16 | 2015-02-04 | 汤斌淞 | The new wind devices of a kind of cleaning type |
| CN204024398U (en) * | 2014-07-15 | 2014-12-17 | 重庆大学 | A kind of energy-saving air door |
| JP6807556B2 (en) * | 2015-10-01 | 2021-01-06 | パナソニックＩｐマネジメント株式会社 | Air conditioning control method, air conditioning control device and air conditioning control program |
| CN105241019B (en) * | 2015-10-29 | 2019-01-15 | 青岛海尔空调器有限总公司 | Inletting fresh air control method |
| CN205351529U (en) * | 2016-01-26 | 2016-06-29 | 广东美的制冷设备有限公司 | Air -conditioner |
| CN205536210U (en) * | 2016-02-02 | 2016-08-31 | 中国建筑科学研究院 | Indoor environmental control unit and building environmental control system |
| CN107131567B (en) * | 2016-02-26 | 2020-11-03 | 大金工业株式会社 | Air purification system and control method thereof |
| CN106016562B (en) * | 2016-05-18 | 2019-04-30 | 青岛海信日立空调系统有限公司 | A kind of control method, ventilation device and air-conditioning system |
| CN205980121U (en) * | 2016-08-22 | 2017-02-22 | 上海日立电器有限公司 | One drags two fresh air conditioning unit systems |
-
2017
- 2017-09-20 CN CN201710854045.9A patent/CN107655108B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773537Y (en) * | 2005-03-18 | 2006-04-19 | 广东科龙电器股份有限公司 | Air outlet device of air conditioner |
| JP2013155942A (en) * | 2012-01-31 | 2013-08-15 | Kubota Corp | Static desiccant air conditioner and operation method |
| CN204006551U (en) * | 2014-07-03 | 2014-12-10 | 南京师范大学 | Adjustable air volume air port |
| CN104456797A (en) * | 2014-12-08 | 2015-03-25 | 嘉兴奥塔尔电气科技有限公司 | Ceiling embedded type intelligent kitchen air conditioner |
| CN106524312A (en) * | 2016-12-26 | 2017-03-22 | 四川艾巴适环境科技有限公司 | Intelligent fan-coil purifying box |
| CN106765732A (en) * | 2017-02-20 | 2017-05-31 | 广东美的环境电器制造有限公司 | Humidifying air purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107655108A (en) | 2018-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107655108B (en) | Air conditioner and control method thereof | |
| CN107228428B (en) | Household fresh air purification full air conditioning system | |
| WO2017128785A1 (en) | Air conditioner indoor unit | |
| CN110360700A (en) | A kind of air in kitchen regulating system | |
| CN109780695A (en) | A kind of control method of double through-flow air conditioner | |
| CN107218665B (en) | Frequency conversion household type fresh air purification full air conditioning system | |
| KR20040102566A (en) | air-conditioner system with ventilation | |
| CN207113012U (en) | Air-conditioning panel and cabinet air-conditioner | |
| CN111059703A (en) | Air volume control method | |
| CN110285505A (en) | Indoor environment adjustment equipment and control method | |
| CN206846919U (en) | Air conditioner | |
| CN204853680U (en) | Air conditioner with constant temperature and humidity | |
| CN206803381U (en) | Independent temperature-humidity control air-conditioning box | |
| CN105546684A (en) | Indoor environment control unit and building | |
| JP2014173826A (en) | Total heat exchange type ventilation device | |
| CN209445511U (en) | Air conditioner | |
| KR20110128009A (en) | Ceiling mounted type jet air handling unit | |
| KR101409088B1 (en) | A Fan Coil Unit | |
| CN217482887U (en) | Air condensing units and have its air conditioner | |
| KR200406144Y1 (en) | Heat-transfer type air-condition device | |
| CN206291337U (en) | Cabinet air-conditioner and air-conditioner | |
| CN205481442U (en) | Indoor environmental control unit and building | |
| CN211060255U (en) | Household air conditioner | |
| CN204987232U (en) | Indoor set and have air conditioner of this indoor set | |
| CN208887018U (en) | A kind of air in kitchen regulating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |