CN108253600B - Control method of air conditioner and air conditioner - Google Patents
Control method of air conditioner and air conditioner Download PDFInfo
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- CN108253600B CN108253600B CN201810027778.XA CN201810027778A CN108253600B CN 108253600 B CN108253600 B CN 108253600B CN 201810027778 A CN201810027778 A CN 201810027778A CN 108253600 B CN108253600 B CN 108253600B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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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Abstract
The invention discloses an air conditioner and a control method thereof. The control method comprises the following steps: detecting whether the air purification device receives a fresh air exchange instruction; when the air purification device receives a fresh air exchange instruction, the fresh air fan is controlled to operate at a first rotating speed so as to introduce outdoor fresh air into the room through the first air duct and control the exhaust fan to stand by, and CO in the indoor air is detected2The concentration value m1 and the wind speed n1 at the first air outlet; after the fresh air fan runs for a period of time at the first rotating speed, detecting the wind speed n2 at the first air outlet and judging whether n2 is more than n 1; detecting CO in the indoor air when n2 < n12The concentration value M2 of (A) is judged, and whether M2 is more than or equal to M1+ M1 is judged; and when M2 is more than or equal to M1+ M1, controlling the exhaust fan to operate at a second rotating speed so as to exhaust the indoor air to the outside through the second air duct. According to the control method of the air conditioner and the air conditioner, the indoor air with the over-high carbon dioxide concentration is discharged to the outside to improve the indoor air quality, so that the comfort level of the indoor environment is improved.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an air conditioner and a control method thereof.
Background
As the demand of the air conditioner increases, in the related art, the air conditioner is provided with an air cleaning device, and therefore, how to control the operation of the air cleaning device to improve the comfort of the indoor environment becomes a technical problem to be solved.
Disclosure of Invention
The embodiment of the invention provides an air conditioner and a control method thereof.
The control method of the air conditioner provided by the embodiment of the invention comprises an air purification device, wherein the air purification device comprises a fresh air fan and an exhaust air fan, the air purification device is provided with a first air channel and a second air channel, the first air channel comprises a first air outlet communicated with the inside of a room and a first air inlet communicated with the outside of the room, the fresh air fan is arranged in the first air channel, and the exhaust air fan is arranged in the second air channel, and the control method comprises the following steps:
when the air purification device is in a standby state, detecting whether the air purification device receives a fresh air change instruction;
when the air purification device receives the fresh air exchange instruction, the fresh air fan is controlled to operate at a first rotating speed so as to introduce outdoor fresh air into the room through the first air duct and control the exhaust fan to stand by, and meanwhile, CO in the indoor air is detected2The concentration value m1 and the wind speed n1 at the first air outlet;
after the fresh air fan runs at the first rotating speed for a period of time, detecting the wind speed n2 at the first air outlet and judging whether n2 is less than n 1;
detecting CO in the indoor air when n2 < n12The concentration value of (a) M2 and whether M2 is not less than M1+ M1, wherein M1 represents CO2A first preset variation of the concentration value; and
and when M2 is more than or equal to M1+ M1, controlling the exhaust fan to operate at a second rotating speed so as to exhaust the indoor air to the outside through the second air duct.
In certain embodiments, the control method comprises the steps of:
when M2 < M1+ M1, it is judged whether M2 > M1+ M2, wherein M2 represents CO2A second preset variation of the concentration value, M2 < M1; and
and when M2 is more than M1+ M2, controlling the fresh air fan to operate at a third rotating speed and controlling the exhaust fan to stand by, wherein the third rotating speed is greater than the first rotating speed.
In certain embodiments, the control method comprises the steps of:
and when M2 is not more than M1+ M2, controlling the fresh air fan to operate at the first rotating speed and controlling the exhaust air fan to stand by.
In some embodiments, the air conditioner includes an indoor unit and a carbon dioxide concentration sensor provided in the indoor unit for detecting CO2The concentration value of (c).
In some embodiments, the air conditioner includes a wind speed sensor disposed at the first air outlet and detecting a wind speed.
The air conditioner of the embodiment of the invention comprises an air purification device, wherein the air purification device comprises a fresh air fan and an exhaust air fan, the air purification device is provided with a first air channel and a second air channel, the first air channel comprises a first air outlet communicated with the inside of a room and a first air inlet communicated with the outside of the room, the fresh air fan is arranged in the first air channel, the exhaust air fan is arranged in the second air channel, and the air conditioner also comprises:
a memory storing at least one program;
a processor for executing the at least one program to perform the steps of:
when the air purification device is in a standby state, detecting whether the air purification device receives a fresh air change instruction;
when the air purification device receives the fresh air change instruction, the fresh air fan is controlled to rotate at a first speedThe air exhaust fan operates to introduce outdoor fresh air into the room through the first air duct and control the standby of the air exhaust fan, and simultaneously detect CO in the indoor air2The concentration value m1 and the wind speed n1 at the first air outlet;
after the fresh air fan runs at the first rotating speed for a period of time, detecting the wind speed n2 at the first air outlet and judging whether n2 is less than n 1;
detecting CO in the indoor air when n2 < n12The concentration value of (a) M2 and whether M2 is not less than M1+ M1, wherein M1 represents CO2A first preset variation of the concentration value; and
and when M2 is more than or equal to M1+ M1, controlling the exhaust fan to operate at a second rotating speed so as to exhaust the indoor air to the outside through the second air duct.
In some embodiments, the processor is configured to execute the at least one program to perform the steps of:
when M2 < M1+ M1, it is judged whether M2 > M1+ M2, wherein M2 represents CO2A second preset variation of the concentration value, M2 < M1; and
and when M2 is more than M1+ M2, controlling the fresh air fan to operate at a third rotating speed and controlling the exhaust fan to stand by, wherein the third rotating speed is greater than the first rotating speed.
In some embodiments, the processor is configured to execute the at least one program to perform the steps of:
and when M2 is not more than M1+ M2, controlling the fresh air fan to operate at the first rotating speed and controlling the exhaust air fan to stand by.
In some embodiments, the air conditioner includes an indoor unit and a carbon dioxide concentration sensor provided in the indoor unit for detecting CO2The concentration value of (c).
In some embodiments, the air conditioner includes a wind speed sensor disposed at the first air outlet and detecting a wind speed.
According to the control method of the air conditioner and the air conditioner, the air speed is reduced, and CO is reduced2Concentration of (2)When the value M2 is more than or equal to M1+ M1, the exhaust fan is controlled to operate at the second rotating speed so as to exhaust the indoor air with the excessively high carbon dioxide concentration to the outside to improve the quality of the indoor air, thereby improving the comfort level of the indoor environment.
Advantages of additional aspects 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 structural view of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a block schematic diagram of an air conditioner according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for controlling an air conditioner according to an embodiment of the present invention.
Description of the main element symbols:
the air conditioner comprises an air conditioner 100, an air purification device 10, a fresh air fan 12, an exhaust air fan 14, a first air duct 16, a first air outlet 162, a first air inlet 164, a second air duct 18, a second air outlet 182, a second air inlet 184, an air purification module 11, a temperature regulation device 20, an indoor unit 22, a storage 30, a processor 40, a carbon dioxide concentration sensor 50 and an air speed sensor 60.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of illustrating the embodiments of the present invention and are not to be construed as limiting the embodiments of the present invention.
Referring to fig. 1 to 3, an air conditioner 100 according to an embodiment of the present invention includes an air cleaning device 10. The air cleaning device 10 includes a fresh air blower 12 and an exhaust air blower 14. The air cleaning device 10 is formed with a first air path 16 and a second air path 18. The first duct 16 includes a first air outlet 162 communicating with the indoor and a first air inlet 164 communicating with the outdoor. The fresh air fan 12 is disposed in the first air duct 16, and the exhaust air fan 14 is disposed in the second air duct 18. The control method of the air conditioner 100 includes the steps of:
s11: when the air purification device 10 is in standby, detecting whether the air purification device 10 receives a fresh air change instruction;
s12: when the air purification device 10 receives a fresh air exchange instruction, the fresh air fan 12 is controlled to operate at a first rotating speed R1 so as to introduce outdoor fresh air into the room through the first air duct 16 and control the exhaust fan 14 to stand by, and simultaneously, CO in the indoor air is detected2Concentration value m1 and wind speed n1 at the first air outlet 162;
s13: after the fresh air fan 12 operates for a period of time at the first rotation speed R1, detecting the wind speed n2 at the first air outlet 162 and judging whether n2 is less than n 1;
s14: detecting CO in the indoor air when n2 < n12The concentration value of (a) M2 and whether M2 is not less than M1+ M1, wherein M1 represents CO2A first preset variation of the concentration value; and
s15: when M2 is more than or equal to M1+ M1, the exhaust fan 14 is controlled to operate at the second rotating speed R2 to exhaust the indoor air to the outdoor through the second air duct 18.
Referring to fig. 1 and 2, the air conditioner 100 according to the embodiment of the present invention further includes a memory 30 and a processor 40. The memory 30 stores at least one program, and the processor 40 is configured to execute the at least one program. As an example, the control method of the air conditioner 100 according to the embodiment of the present invention may be implemented by the air conditioner 100 according to the embodiment of the present invention, and may be applied to the air conditioner 100.
Among them, step S11, step S12, step S13, step S14 and step S15 of the control method of the air conditioner 100 of the embodiment of the present invention may be implemented by the processor 40. That is, the processor 40 is configured to execute a program to detect whether the air purification apparatus 10 receives a fresh air change command while the air purification apparatus 10 is in a standby state; when the air purification device 10 receives a fresh air exchange instruction, the fresh air fan 12 is controlled to operate at a first rotating speed R1 so as to introduce outdoor fresh air into the room through the first air duct 16 and control the exhaust fan 14 to stand by, and meanwhile, the indoor air is detectedCO in air2Concentration value m1 and wind speed n1 at the first air outlet 162; after the fresh air fan 12 operates for a period of time at the first rotation speed R1, detecting the wind speed n2 at the first air outlet 162 and judging whether n2 is less than n 1; detecting CO in the indoor air when n2 < n12The concentration value of (a) M2 and whether M2 is not less than M1+ M1, wherein M1 represents CO2A first preset variation of the concentration value; and when M2 is more than or equal to M1+ M1, controlling the exhaust fan 14 to operate at a second rotating speed R2 to exhaust the indoor air to the outdoor through the second air duct 18.
Method for controlling air conditioner 100 and air conditioner 100 according to the embodiment of the present invention reduce CO at a reduced wind speed2When the concentration value M2 is more than or equal to M1+ M1, the exhaust fan 14 is controlled to operate at the second rotating speed R2 to exhaust the indoor air with the excessive carbon dioxide concentration to the outdoor so as to improve the quality of the indoor air, thereby improving the comfort level of the indoor environment.
In the embodiment of the present invention, after the air purification apparatus 10 receives the fresh air change command, the fresh air blower 12 operates at the first rotation speed R1 and the exhaust air blower 14 is in standby. The first rotation speed R1 can be in the range of 500-800R/min, for example 650R/min, and correspondingly the speed of introducing fresh outdoor air is 30m3H is used as the reference value. At this time, CO in the indoor air is detected2The concentration value m1 is 400ppm, the wind speed n1 at the first air outlet 162 is 6m/s, and the indoor air quality is good. The outdoor pressure and the indoor pressure may change with time, which may cause the wind speed at the first wind outlet 162 to change. Therefore, after the fresh air fan 12 is operated at the first speed R1 for a certain period of time (for example, 30 minutes), the wind speed n2 at the first wind outlet 162 is detected again. When n2 is greater than or equal to n1, the fresh air fan 12 still operates at the first rotating speed R1. When n2 < n1, the wind speed at first outlet 162 decreases, the amount of fresh outdoor air introduced decreases, and the quality of indoor air may deteriorate. At this time, CO in the indoor air is detected again2When the concentration value M2 is M2 is more than or equal to M1+ M1, which indicates that the carbon dioxide concentration in the indoor air is too high, the indoor air with the too high carbon dioxide concentration is discharged to the outdoor by controlling the exhaust fan 14 to operate at the second rotating speed R2 so as to improve the indoor air quality. When the exhaust fan 14 is operated at the second speed R2 to exhaust the indoor air, the fresh air fan 12 may be operated at the first speed R1 orThe air conditioner is operated at other rotating speeds to introduce outdoor fresh air, and is not limited in the process. M1 can be set at 800-1200ppm, preferably at 1000 ppm. The second rotation speed R2 may be in the range of 500-800R/min, for example 650R/min, corresponding to a discharge rate of 30m for indoor air3H is used as the reference value. Of course, the first rotation speed R1, the second rotation speed R2, and M1 can be flexibly set according to practical situations.
It is understood that the memory 30 may be a separate memory 30 or a dedicated or dynamically allocated portion of the memory 30 of the air conditioner 100. The processor 40 may be a stand-alone processor 40 or a dedicated or dynamically assigned portion of the processor 40 of the air conditioner 100.
Referring again to fig. 1 and 2, the air conditioner 100 further includes a temperature adjusting device 20. The temperature adjusting device 20 and the air cleaning device 10 may be integrally provided. For example, in the case of a cabinet, the temperature adjustment device 20 may be located above the air purification apparatus 10, and specifically, the temperature adjustment device 20 includes an indoor unit 22 and an outdoor unit, and the indoor unit 22 is located above the air purification apparatus 10. Of course, the air conditioner 100 may also be an on-hook, and is not limited herein. The temperature adjusting device 20 is used for cooling or heating. When the temperature adjusting device 20 performs cooling, low-pressure vapor of the refrigerant is sucked by a compressor (not shown), compressed into high-pressure vapor and discharged to an outdoor heat exchanger (not shown), the outdoor heat exchanger is a condenser, and outdoor air sucked by an axial flow fan (not shown) of an outdoor fan flows through the outdoor heat exchanger to take away heat emitted by the refrigerant, so that the high-pressure refrigerant vapor is condensed into high-pressure liquid. The high pressure liquid passes through a filter (not shown) and a throttling mechanism (not shown) and then is sprayed into an indoor heat exchanger (not shown), wherein the indoor heat exchanger is an evaporator and is evaporated at a corresponding low pressure to absorb ambient heat. Meanwhile, the indoor fan sends the air which is cooled after releasing heat to the indoor through the air duct of the indoor unit 22. Thus, the indoor air continuously circulates and flows to achieve the purpose of reducing the temperature or dehumidifying. The heating process of the thermostat 20 is opposite to the cooling process.
In the present embodiment, the air purification device 10 is a fresh air device. The air purification device 10 includes a fresh air blower 12, a first air duct 16, a first air outlet 162, a first air inlet 164, and an air purification module 11. The air purification module 11 includes a plurality of filter screens arranged in a stack. The processor 40 controls the fresh air blower 12 to operate at a certain rotation speed so that the first air inlet 164 introduces outdoor fresh air into the room, and the introduced air is filtered by a filter screen, wherein the filter screen may include an antibacterial and mildewproof primary filter screen, a sponge activated carbon layer, a honeycomb activated carbon layer and a high-efficiency filter screen. The processor 40 controls the fresh air fan 12 to send out the filtered air through the first air outlet 162. Further, the air purifying device 10 further includes an exhaust fan 14, a second air duct 18, a second air outlet 182, and a second air inlet 184. The processor 40 controls the exhaust fan 14 to operate at a rotational speed such that the indoor dirty air is discharged to the outside of the room through the second outlet 182. Thus, outdoor fresh air is introduced through the fresh air fan 12, and indoor dirty air is discharged through the exhaust fan 14, so that the indoor air is kept fresh, and the health of a user is facilitated.
It will be appreciated that the air path for the fresh air fan 12 and the air path for the exhaust air fan 14 may be different paths or share portions of the paths. When the air duct is shared, the shielding element can be utilized to switch the common part of the air duct so as to realize different functions. The positions of the first air outlet 162 and the second air inlet 184, and the positions of the first air inlet 164 and the second air outlet 182 can be flexibly set, and are not limited to the positional relationship shown in fig. 1.
Generally, to prevent outdoor contaminants from entering the room through the second duct 18, a baffle is installed at the second outlet 182 to block the second outlet 182 when the exhaust fan 14 is in standby. Therefore, in step S15, the flap can be controlled to move away to open the second outlet 182.
Referring to fig. 3, in some embodiments, the control method includes the following steps:
s16: when M2 < M1+ M1, it is judged whether M2 > M1+ M2, wherein M2 represents CO2A second preset variation of the concentration value, M2 < M1; and
s17: and when M2 is greater than M1+ M2, controlling the fresh air fan 12 to operate at a third rotating speed R3 and controlling the exhaust air fan 14 to stand by, wherein the third rotating speed R3 is greater than the first rotating speed R1.
In some embodiments, the processor 40 is configured to execute at least one program to determine whether M2 > M1+ M2 when M2 < M1+ M1 and control the fresh air fan 12 to operate at a third rotation speed R3 and control the exhaust air fan 14 to stand by when M2 > M1+ M2, wherein the third rotation speed R3 is greater than the first rotation speed R1. M2 represents CO2A second preset variation of the concentration value, M2 < M1. The third speed R3 is greater than the first speed R1.
It can be appreciated that as the wind speed at the first outlet 162 decreases and the CO CO2When the concentration value meets the condition that M1+ M2 is more than M2 is more than M1+ M1, the concentration of carbon dioxide in the indoor air is higher; in consideration of the energy saving requirement, the standby state of the exhaust fan 14 can be controlled, and the indoor air can be purified by increasing the outdoor fresh air quantity introduced into the room by increasing the rotating speed of the fresh air fan 12. M2 can be set at 300-700ppm, preferably 500 ppm. The third rotation speed R3 can be 1100-1300R/min, such as 1200R/min, and correspondingly, the speed of introducing the outdoor fresh air is 60m3H is used as the reference value. Of course, the third rotation speed R3, M2 can be flexibly set according to actual conditions.
Referring to fig. 3, in some embodiments, the control method includes the following steps:
s12: when M2 is not more than M1+ M2, the fresh air fan 12 is controlled to operate at a first rotating speed R1 and the exhaust air fan 14 is controlled to be in standby.
In some embodiments, the processor 40 is configured to execute at least one program to control the fresh air fan 12 to operate at the first speed R1 and the exhaust air fan 14 to be in standby mode when M2 is equal to or less than M1+ M2.
It can be appreciated that as the wind speed at the first outlet 162 decreases and the CO CO2When the concentration value meets the condition that M2 is not less than M1+ M2, the concentration of carbon dioxide in the indoor air is low, the quality of the indoor air is within the receiving range of a user, and at the moment, the fresh air fan 12 can be kept running at the first rotating speed R1 and the exhaust air fan 14 can be kept in standby. Thus, the energy consumption of the air purification device 10 is reduced while the indoor air quality is ensured.
In some embodiments, the air conditioner 100 includes an indoor unit 22 and a carbon dioxide concentration sensor 50, the carbon dioxide concentration sensor 50 is disposed in the indoor unit 22, and the carbon dioxide concentration sensor 50 is used for detecting CO2The concentration value of (c).
It is understood that the air conditioner 100 includes a thermostat 20, and the thermostat 20 includes an indoor unit 22. By providing the carbon dioxide concentration sensor 50 in the indoor unit 22, CO in the indoor air can be detected2The concentration value of (c). The processor 40 collects CO in the indoor air through the carbon dioxide concentration sensor 502The concentration value of (c).
In some embodiments, the air conditioner 100 includes an air speed sensor 60, and the air speed sensor 60 is disposed at the first air outlet 162 and detects an air speed.
It is understood that the wind speed sensor 60 is disposed at the first wind outlet 162, and can detect the wind speed at the first wind outlet 162. The processor 40 collects the wind speed at the first wind outlet 162 through the wind speed sensor 60.
In the description of the embodiments of 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 or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
The above disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the invention, specific example components and arrangements are described above. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, embodiments of the invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean 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, schematic representations of the above terms 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.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processing module-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of embodiments of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. A control method of an air conditioner is characterized in that the air conditioner comprises an air purification device, the air purification device comprises a fresh air fan and an exhaust air fan, the air purification device is provided with a first air channel and a second air channel, the first air channel comprises a first air outlet communicated with the inside of a room and a first air inlet communicated with the outside of the room, the fresh air fan is arranged in the first air channel, and the exhaust air fan is arranged in the second air channel, and the control method comprises the following steps:
when the air purification device is in a standby state, detecting whether the air purification device receives a fresh air change instruction;
when the air purification device receives the fresh air exchange instruction, the fresh air fan is controlled to operate at a first rotating speed so as to introduce outdoor fresh air into the room through the first air duct and control the exhaust fan to stand by, and meanwhile, CO in the indoor air is detected2The concentration value m1 and the wind speed n1 at the first air outlet;
after the fresh air fan runs at the first rotating speed for a period of time, detecting the wind speed n2 at the first air outlet and judging whether n2 is less than n 1;
detecting CO in the indoor air when n2 < n12The concentration value of M2 and whether M2 is more than or equal to M1+ M1 is judged, wherein M1 is shown in the tableShow CO2A first preset variation of the concentration value;
when M2 is more than or equal to M1+ M1, controlling the exhaust fan to operate at a second rotating speed so as to exhaust the indoor air to the outside through the second air duct;
when M2 is less than M1+ M1, judging whether M2 is more than M1+ M2, wherein M2 represents a second preset variation of the concentration value of CO2, and M2 is less than M1; and
and when M2 is more than M1+ M2, controlling the fresh air fan to operate at a third rotating speed and controlling the exhaust fan to stand by, wherein the third rotating speed is greater than the first rotating speed.
2. The control method according to claim 1, characterized by comprising the steps of:
and when M2 is not more than M1+ M2, controlling the fresh air fan to operate at the first rotating speed and controlling the exhaust air fan to stand by.
3. The control method according to claim 1, wherein the air conditioner includes an indoor unit and a carbon dioxide concentration sensor provided in the indoor unit for detecting CO2The concentration value of (c).
4. The control method as set forth in claim 1, wherein the air conditioner includes a wind speed sensor provided at the first air outlet for detecting a wind speed.
5. The utility model provides an air conditioner, its characterized in that, includes air purification device, air purification device includes new trend fan and the fan of airing exhaust, air purification device is formed with first wind channel and second wind channel, first wind channel is including the indoor first air outlet of intercommunication and the outdoor first air intake of intercommunication, new trend fan sets up first wind channel, the fan setting of airing exhaust is in the second wind channel, air conditioner still includes:
a memory storing at least one program;
a processor for executing the at least one program to perform the steps of:
when the air purification device is in a standby state, detecting whether the air purification device receives a fresh air change instruction;
when the air purification device receives the fresh air exchange instruction, the fresh air fan is controlled to operate at a first rotating speed so as to introduce outdoor fresh air into the room through the first air duct and control the exhaust fan to stand by, and meanwhile, CO in the indoor air is detected2The concentration value m1 and the wind speed n1 at the first air outlet;
after the fresh air fan runs at the first rotating speed for a period of time, detecting the wind speed n2 at the first air outlet and judging whether n2 is less than n 1;
detecting CO in the indoor air when n2 < n12The concentration value of (a) M2 and whether M2 is not less than M1+ M1, wherein M1 represents CO2A first preset variation of the concentration value;
when M2 is more than or equal to M1+ M1, controlling the exhaust fan to operate at a second rotating speed so as to exhaust the indoor air to the outside through the second air duct;
when M2 is less than M1+ M1, judging whether M2 is more than M1+ M2, wherein M2 represents a second preset variation of the concentration value of CO2, and M2 is less than M1; and
and when M2 is more than M1+ M2, controlling the fresh air fan to operate at a third rotating speed and controlling the exhaust fan to stand by, wherein the third rotating speed is greater than the first rotating speed.
6. The air conditioner of claim 5, wherein the processor is configured to execute at least one program to perform the steps of:
and when M2 is not more than M1+ M2, controlling the fresh air fan to operate at the first rotating speed and controlling the exhaust air fan to stand by.
7. The air conditioner according to claim 5, wherein the air conditioner comprises an indoor unit and a carbon dioxide concentration sensor provided in the indoor unit for detecting CO2The concentration value of (c).
8. The air conditioner according to claim 5, comprising a wind speed sensor provided at the first air outlet for detecting a wind speed.
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